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KR200454735Y1 - Track shoe length detector - Google Patents

Track shoe length detector Download PDF

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Publication number
KR200454735Y1
KR200454735Y1 KR2020090004700U KR20090004700U KR200454735Y1 KR 200454735 Y1 KR200454735 Y1 KR 200454735Y1 KR 2020090004700 U KR2020090004700 U KR 2020090004700U KR 20090004700 U KR20090004700 U KR 20090004700U KR 200454735 Y1 KR200454735 Y1 KR 200454735Y1
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South Korea
Prior art keywords
track shoe
sensing
length
sensing bar
base member
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KR20100010601U (en
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송병문
이동백
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현대제철 주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G01B5/04—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B5/043—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks
    • B62D55/20—Tracks of articulated type, e.g. chains
    • B62D55/202—Wheel engaging parts; Wheel guides on links
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/06—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/04—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B7/042—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

본 고안은 트랙슈 길이 감지장치에 관한 것으로, 프레스의 승강부(50)와 일체로 승강되는 베이스멤버(100)에 2개의 센싱바아(110,120)가 승강 자재하게 설치되되, 트랙슈의 길이가 정상일 때 내측의 제1센싱바아(110)는 트랙슈의 단부에 걸려지고, 외측의 제2센싱바아(120)는 트랙슈에 걸려지지 않는다.The present invention relates to a track shoe length detecting apparatus, wherein two sensing bars (110, 120) are installed on the base member (100), which is raised and lowered integrally with the lifting part (50) of the press, and the length of the track shoe is normal. When the inner first sensing bar 110 is caught on the end of the track shoe, the outer second sensing bar 120 is not caught on the track shoe.

따라서, 트랙슈의 길이에 따른 상기 센싱바아(110,120)의 거동을 직접 관찰하거나, 또는 상기 센싱바아에 의해 작동되는 리미트스위치에 연결된 표시등들의 점등 상태를 관찰함으로써 펀칭 프레스에 진입된 트랙슈 길이의 정상 여부와 그 길고 짧음을 용이하게 식별할 수 있다.Accordingly, the normal length of the track shoe length entered into the punching press by directly observing the behavior of the sensing bars 110 and 120 according to the length of the track shoe or by observing the lighting state of the indicator lights connected to the limit switch operated by the sensing bar. It can be easily identified whether or not and its long and short.

길이감지장치, 길이감지센서 Length sensor, length sensor

Description

트랙슈 길이 감지장치{length sensing device of track shoe}Track shoe length sensing device

본 고안은 트랙슈의 길이 감지장치에 관한 것으로, 특히 트랙슈의 길이가 정확한지를 판별하여 정확한 위치에 펀칭이 이루어질 수 있도록 하는 트랙슈 길이 감지장치에 관하 것이다.The present invention relates to a track shoe length sensing device, and more particularly, to a track shoe length sensing device for determining whether the track shoe length is accurate to be punched in the correct position.

트랙슈(Track Shoe)는 전차나 대형 중장비등에 설치된 무한궤도(caterpillar)를 구성하는 부품이다.Track Shoe is a part that constitutes caterpillar installed in tank or heavy heavy equipment.

압연을 통해 성형이 이루어진 트랙슈는 열간 펀칭하여 필요한 볼트홀 및 머드홀(mud hole)을 형성하고 있다.The track shoe formed by rolling is hot punched to form necessary bolt holes and mud holes.

상기 펀칭은 프레스에 의해 이루어진다. 즉, 프레스의 다이로 트랙슈가 이송되어 진입되면 상부에서 펀칭금형이 하강하여 볼트홀 및 머드홀을 천공하게 된다.The punching is done by press. In other words, when the track shoe is transferred to the die of the press, the punching die descends from the top to drill the bolt hole and the mud hole.

한편, 트랙슈는 성형 후 일정 길이로 절단되어 상기 펀칭 프레스로 이송된다.On the other hand, the track shoe is cut to a predetermined length after molding and conveyed to the punching press.

그런데, 상기 트랙슈를 절단하는 공정에서도 불량이 발생하므로 정확한 길이로 절단되지 않아 정상치수보다 짧거나 긴 트랙슈가 펀칭 공정으로 이송되는 경우가 발생하고 있다.However, since the defect occurs in the process of cutting the track shoe, a track shoe shorter or longer than the normal dimension may be transferred to the punching process because it is not cut to an accurate length.

상기 펀칭 프레스에서는 다이로 진입된 트랙슈의 일측 단부를 스토퍼로 정지시켜 펀칭 위치를 세팅하고 있기 때문에, 길이에 오차가 있는 트랙슈가 진입된 경우 펀칭이 정확한 위치에 이루어지지 못하는 문제점이 있었다.In the punching press, one end of the track shoe entered into the die is stopped by the stopper to set the punching position. Therefore, when the track shoe having an error in length is entered, the punching cannot be made at the correct position.

즉, 펀칭금형의 중심과 트랙슈의 중심이 일치된 상태에서 펀칭이 이루어져야 하지만 정상품과 달리 길이에 오류(길거나 짧거나)가 있는 제품의 경우에는 펀칭금형과 트랙슈의 센터링이 정확히 이루어지지 않기 때문에 상기 볼트홀이나 머드홀의 천공위치에 오류가 발생할 수밖에 없는 문제점이 있었다.In other words, punching should be done while the center of the punching mold and the center of the track shoe are coincident.However, the centering of the punching mold and the track shoe is not performed correctly in the case of products with errors (long or short) in length unlike regular products. Therefore, there was a problem that the error inevitably occurred in the drilling position of the bolt hole or the mud hole.

이에 본 고안은 상기와 같은 문제점을 해결하기 위해 안출된 것으로, 펀칭 프레스로 진입되는 트랙슈의 길이를 감지하여 정상 길이가 아닌 경우에는 작업자에게 이를 인지시켜 줌으로써 작업자가 트랙슈 위치를 조절하여 정확히 펀칭할 수 있도록 된 트랙슈 길이 감지장치를 제공함에 그 목적이 있다.Therefore, the present invention was devised to solve the above problems, and by detecting the length of the track shoe entering the punching press and notifying the worker if it is not the normal length, the operator adjusts the track shoe position to accurately punch. It is an object of the present invention to provide a track shoe length sensing device.

상기와 같은 목적을 달성하기 위한 본 고안은,According to an aspect of the present invention,

프레스의 승강부에 장착된 베이스멤버와;A base member mounted to the lifting part of the press;

상기 베이스멤버에 상하 이동 가능하게 설치된 한 쌍의 센싱바아;A pair of sensing bars installed on the base member to be movable up and down;

를 포함한다.It includes.

상기 한 쌍의 센싱바아는, 상기 프레스에 정상 길이의 트랙슈가 진입되고 상기 승강부가 하강하였을 때, 하나의 센싱바아는 상기 트랙슈의 단부에 걸려지고 나머지 하나의 센싱바아는 걸려지지 않는 위치에 설치된다.The pair of sensing bars are installed in a position where a track shoe having a normal length enters the press and the lift unit descends, one sensing bar is caught at an end of the track shoe and the other sensing bar is not caught. do.

상기 베이스멤버에 관통구멍이 형성되고, 그 관통구멍에 상기 센싱바아가 삽입되며, 센싱바아의 상단에 플랜지가 형성된다.A through hole is formed in the base member, the sensing bar is inserted into the through hole, and a flange is formed at an upper end of the sensing bar.

상기 플랜지와 베이스멤버의 사이에 양단이 연결되는 스프링이 설치된다.Springs are connected between both ends of the flange and the base member.

상기 베이스멤버에 상기 센싱바아 상승시 회로를 결선(on)하는 리미트스위치가 설치되고, 상기 리미트스위치 on시 점등되는 표시등이 설치된다.A limit switch for connecting a circuit (on) when the sensing bar rises is installed in the base member, and an indicator light which is turned on when the limit switch is turned on is installed.

상기 리미트스위치와 표시등은 상기 각 센싱바아 마다 구비된다.The limit switch and the indicator light are provided for each sensing bar.

이상 설명한 바와 같은 본 고안에 따르면, 간단한 기구로 이루어진 트랙슈 길이 감지장치가 제공된다.According to the present invention as described above, there is provided a track shoe length sensing device consisting of a simple mechanism.

또한, 상기 트랙슈 길이 감지장치에 의해 현재 펀칭 프레스에 진입된 트랙슈가 정상 길이의 제품인지, 잘못된 길이로 절단된 제품인지 알 수 있으며, 그에 더하여 트랙슈의 길이가 긴 것인지 짧은 것인지도 명확히 알 수 있다.In addition, it is possible to know whether the track shoe currently entered into the punching press by the track shoe length sensing device is a product of a normal length or a product cut at an incorrect length, and in addition, it is clearly understood whether the track shoe is long or short. have.

따라서, 작업자는 상기 트랙슈 길이 감지장치를 관찰하고 스토퍼의 위치를 조절함으로써 잘못된 위치에 펀칭이 실시되어 불량이 발생하는 것을 방지할 수 있다.Therefore, the operator can observe the track shoe length sensing device and adjust the position of the stopper to prevent the occurrence of a defect by punching in the wrong position.

이하, 본 고안을 첨부된 예시도면을 참조하여 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 고안이 설치된 펀칭 프레스의 개략도이다.1 is a schematic view of a punching press in which the present invention is installed.

프레스는 트랙슈(T)를 이송하는 롤러테이블(10)과, 이송된 트랙슈를 지지하는 다이(20)와, 상부로부터 하강하여 트랙슈에 볼트홀 및 머드홀을 천공하는 펀칭금형(30)과, 트랙슈의 위치를 결정하는 스토퍼(40)를 포함한다.The press is a roller table 10 for transporting the track shoe (T), a die (20) for supporting the transported track shoe, and a punching mold (30) for drilling bolt holes and mud holes in the track shoe by descending from the top And a stopper 40 for determining the position of the track shoe.

상기 펀칭금형(30)은 프레스의 승강부(50)에 장착된다.The punching die 30 is mounted to the lifting portion 50 of the press.

본 고안에 따른 트랙슈 길이 감지장치는 도시된 바와 같이, 상기 승강부(50)에 장착된 베이스멤버(100)와, 상기 베이스멤버(100)상에 상하 이동 가능하게 설치된 한 쌍의 센싱바아(110,120)를 포함한다.Track shoe length detection apparatus according to the present invention, as shown, a base member 100 mounted to the lifting unit 50, a pair of sensing bar installed on the base member 100 to move up and down ( 110,120).

상기 센싱바아(110,120)중 프레스의 중심쪽에 인접한 안쪽의 것을 제1센싱바 아(110), 그 외측의 것을 제2센싱바아(120)로 칭하기로 한다.Among the sensing bars 110 and 120, an inner one adjacent to the center of the press is referred to as a first sensing bar 110 and an outer one thereof as a second sensing bar 120.

상기 제1,2센싱바아(110,120)는 도 4를 참조하여 알 수 있는 바와 같이, 베이스멤버(100)를 상하로 관통하는 관통구멍(101)에 삽입되어 상하로 자유로이 이동할 수 있도록 되어 있고, 또한 상단에 플랜지(121)가 형성되어 있어서 관통구멍(101)으로부터 빠지지 않도록 되어 있다.(제2센싱바아(120)만을 도시하였으나 두 센싱바아와 그 설치구조는 동일하다.)As the first and second sensing bars 110 and 120 can be seen with reference to FIG. 4, the first and second sensing bars 110 and 120 are inserted into the through holes 101 penetrating the base member 100 vertically so as to move freely up and down. The flange 121 is formed at the upper end so as not to be pulled out from the through hole 101. (Only the second sensing bar 120 is shown, but the two sensing bars and the mounting structure are the same.)

따라서, 상기 제1,2센싱바아(110,120)는 하방으로부터 외력이 작용할 때 관통구멍(101)에서 상승하고, 그 외력이 제거되면 자중에 의해 하강한다.Accordingly, the first and second sensing bars 110 and 120 rise in the through-hole 101 when an external force is applied from below, and are lowered by their own weight when the external force is removed.

한편, 상기 베이스멤버(100)는 프레스의 승강부(50)에 직접 장착되거나 프레스의 구조 및 크기에 따라 마운팅브라켓(200)을 매개로 장착될 수 있다. 즉, 상기 승강부(50)에 마운팅브라켓(200)이 장착되고, 그 마운팅브라켓(200)에 상기 베이스멤버(100)가 장착된다. 그러나, 베이스멤버(100)가 승강부(50)에 직접 장착되거나 마운팅브라켓(200)을 매개로 장착되거나에 상관없이 상기 제1,2센싱바아(110,120)가 정확한 위치에 설치되기만 하면 되므로 장착 방식에 제한은 없다.On the other hand, the base member 100 may be mounted directly to the lifting portion 50 of the press or may be mounted via the mounting bracket 200 according to the structure and size of the press. That is, the mounting bracket 200 is mounted on the lifting unit 50, and the base member 100 is mounted on the mounting bracket 200. However, regardless of whether the base member 100 is directly mounted to the lifting unit 50 or mounted through the mounting bracket 200, the first and second sensing bars 110 and 120 only need to be installed at the correct position. There is no limit.

상기 구성의 트랙슈 길이 감지장치를 이용한 트랙슈 길이의 정/부 판별방법은 다음과 같다.The method for determining whether or not the track shoe length is detected using the track shoe length detecting apparatus having the above configuration is as follows.

도 2와 같이, 승강부(50)와 함께 펀칭금형(30)이 하강하였을 때 트랙슈 길이 감지장치가 함께 하강된다.As shown in FIG. 2, when the punching die 30 is lowered together with the lifting unit 50, the track shoe length sensing device is lowered together.

이때 정확한 길이로 절단된 트랙슈(T)의 경우에는 제1센싱바아(110)는 트랙슈의 단부에 걸려져 상승상태에 있고, 제2센싱바아(120)는 트랙슈의 단부에 걸려지 지 못하여 하강상태에 있게 된다.At this time, in the case of the track shoe T cut to the correct length, the first sensing bar 110 is caught in the end of the track shoe and is in an elevated state, and the second sensing bar 120 is caught in the end of the track shoe. You will be in a descent state.

이와 같이 제1센싱바아(110)는 상승상태이고, 제2센싱바아(120)는 하강상태라면 작업자는 이를 육안으로 관찰하여 정상 길이의 트랙슈가 진입하였음을 알 수 있으며, 이에 트랙슈의 위치 수정없이 펀칭 공정을 계속 진행한다.As such, when the first sensing bar 110 is in the up state and the second sensing bar 120 is in the down state, the operator can observe the naked eye to see that the track shoe of the normal length has entered, thereby correcting the position of the track shoe. Continue the punching process without

한편, 트랙슈가 정상의 경우보다 길이가 긴 경우에는 도 3의 (a)와 같이, 감지장치가 하강하였을 때 제1센싱바아(110) 뿐만 아니라 제2센싱바아(120)도 트랙슈에 걸려지며, 이와 같이 두 센싱바아가 모두 상승하였을 때 길이가 긴 트랙슈가 진입하였음을 알 수 있다.On the other hand, if the track shoe is longer than the normal case, as shown in Figure 3 (a), when the sensing device is lowered as well as the first sensing bar 110 and the second sensing bar 120 is caught on the track shoe. As a result, when both sensing bars rise, it can be seen that a long track shoe has entered.

또한, 트랙슈가 정상의 경우보다 길이가 짧은 경우에는 도 3의 (b)와 같이, 감지장치가 하강하였을 때 제1센싱바아(110)와 제2센싱바아(120) 모두가 트랙슈에 걸리지 않으므로 하강상태에 있게 되며, 이와 같이 두 센싱바아가 모두 하강하였을 때 작업자는 길이가 짧은 트랙슈가 진입하였음을 알 수 있다.In addition, when the track shoe is shorter than the normal case, as shown in FIG. 3B, when the sensing device descends, neither the first sensing bar 110 nor the second sensing bar 120 is caught by the track shoe. In the lowered state, when both of the sensing bar is lowered, the worker can see that a short track shoe has entered.

따라서, 작업자는 두 센싱바아가 일치된 거동을 보일 때 즉, 두 센싱바아가 모두 상승상태이거나 모두 하강상태일 때 길이에 오류가 있는 트랙슈가 프레스로 진입하였음을 인지하고, 상기 스토퍼(40)의 위치를 조절하여 펀칭금형(30)과 트랙슈(T)의 중심을 정확히 일치시킬 수 있도록 한다.(상기 스토퍼는 수평으로 설치된 봉에 나사 결합되어 있어 봉의 회전시 발생하는 나사 작용에 의해 위치가 전후로 조절될 수 있도록 되어 있다.)Accordingly, the operator recognizes that the track shoe having an error in length has entered the press when the two sensing bars show a consistent behavior, that is, when both the sensing bars are in an up state or in a down state, both of the stoppers 40 Adjust the position so that the center of the punching mold 30 and the track shoe (T) can be exactly matched. (The stopper is screwed to the rod installed horizontally, the position is moved back and forth by the screw action generated during the rotation of the rod. It can be adjusted.)

한편, 상기와 같이 센싱바아의 거동을 직접 육안으로 관찰하는 것이 프레스의 형태나 작업자의 위치에 따라 곤란할 수도 있고, 장시간의 반복 작업시 센싱바 아의 거동에 대한 인지능력이 저하될 수 있다.On the other hand, observing the behavior of the sensing bar directly with the naked eye as described above may be difficult depending on the shape of the press or the position of the operator, and the cognitive ability of the sensing bar may be degraded during long repetitive work.

따라서, 두 센싱바아의 거동을 작업자가 보다 용이하게 인식할 수 있도록 도 4와 같이, 리미트스위치(300)와 표시등(400,410)을 설치한다.Therefore, as shown in FIG. 4, the limit switches 300 and the indicators 400 and 410 are installed so that the operator can more easily recognize the behavior of the two sensing bars.

즉, 상기 베이스멤버(100)의 상면에 리미트스위치(300)를 설치하고, 그 리미트스위치(300)와 전원과 상기 표시등(400,410)을 연결한 것이다.(도면은 개략도이므로 전원 및 상세 회로 구조는 생략하였다.)That is, the limit switch 300 is installed on the upper surface of the base member 100, and the limit switch 300, the power supply, and the indicator lights 400 and 410 are connected. Is omitted.)

제1센싱바아(110)와 제2센싱바아(120) 각각 리미트스위치가 구비되며, 각 리미트스위치마다 1개의 표시등(400,410)이 구비된다.Each of the first sensing bar 110 and the second sensing bar 120 is provided with a limit switch, and each limit switch is provided with one indicator light 400 or 410.

리미트스위치(300)는 감지레버(310)를 구비하고 있으며, 상기 감지레버(310)는 센싱바아의 상부에 소정거리 이격되어 위치된다.The limit switch 300 includes a sensing lever 310, and the sensing lever 310 is positioned at a predetermined distance from an upper portion of the sensing bar.

따라서, 센싱바아가 상승하면, 해당 리미트스위치의 감지레버가 상방으로 회동되면서 회로를 결선(on)하여 표시등이 점등된다.Therefore, when the sensing bar rises, the detection lever of the corresponding limit switch is rotated upward and the indicator is turned on by turning on the circuit.

그리고, 센싱바아가 하강하면, 회로가 단선(off)되어 표시등이 소등되고, 내장된 리턴스프링의 작용으로 감지레버는 원위치로 복귀된다.When the sensing bar descends, the circuit is disconnected and the indicator is turned off, and the sensing lever returns to its original position by the action of the built-in return spring.

따라서, 트랙슈의 길이가 정상일 경우, 제1센싱바아(110)는 상승하고 제2센싱바아(120)는 하강하므로 제1센싱바아의 표시등은 점등되고, 제2센싱바아의 표시등은 점등되지 않는다.Therefore, when the length of the track shoe is normal, since the first sensing bar 110 is raised and the second sensing bar 120 is lowered, the indicator of the first sensing bar is turned on and the indicator of the second sensing bar is not turned on. .

또한, 트랙슈의 길이가 긴 경우에는 제1센싱바아와 제2센싱바아가 모두 상승하므로 2개의 표시등이 모두 점등된다.In addition, when the track shoe is long, both the first sensing bar and the second sensing bar rise, so that both indicators light up.

또한, 트랙슈의 길이가 짧은 경우에는 제1센싱바아와 제2센싱바아가 모두 하 강하므로 2개의 표시등이 모두 점등되지 않는다.In addition, when the track shoe is short in length, both the first sensing bar and the second sensing bar fall, so that neither indicator lights are lit.

이와 같이, 트랙슈의 길이가 정상인 경우와, 긴 경우와, 짧은 경우가 2개의 표시등 점등 상태에 따라서 확실하게 구분 표시되므로 표시등을 작업자가 잘 볼 수 있는 위치에 설치하면, 작업자는 센싱바아의 거동을 직접 관찰할 때 보다 보다 용이하고 확실하게 트랙슈 길이의 정상 여부 및 비정상일 경우 긴지 짧은지를 인식할 수 있게 된다.In this way, when the track shoe length is normal, the long case and the short case are clearly displayed according to the state of the two indicator lights, when the indicator is installed at a position where the operator can easily see the operator, When observing the behavior directly, it is easier and more reliable to recognize whether the track shoe length is normal and if it is abnormal, whether it is long or short.

한편, 트랙슈의 길이가 비정상일 경우, 즉, 상기 제1,2센싱바아의 리미트스위치가 모두 on되거나 모두 off되는 경우에 작동되어 경고음을 내는 버저(buzzer)를 더 설치함으로써 비정상 트랙슈가 진입되었음을 보다 명확하게 인지할 수 있다.On the other hand, when the track shoe is abnormal length, that is, when the limit switch of the first and second sensing bars are all turned on or off, the abnormal track shoe is entered by installing a buzzer that emits a warning sound. It can be recognized more clearly.

한편, 승강부(50)의 상승과 함께 감지장치가 상승할 때 상승상태에 있던 센싱바아는 자중에 의해 하강하게 되는데, 이때 상단의 플랜지(121)가 베이스멤버(100)의 상면에 충돌하여 반복적으로 소음이 발생하게 된다.On the other hand, when the sensing unit rises with the elevation of the lifting unit 50, the sensing bar in the rising state is lowered by its own weight, at which time the flange 121 of the upper end collides with the upper surface of the base member 100 repeatedly Noise is generated.

또한, 센싱바아가 자중에 의해서만 원위치로 복귀하게 되므로 상기 관통구멍(101)과 센싱바아의 사이에 이물질이 유입된 경우 센싱바아의 복귀가 원활하게 이루어지지 않게 되어, 감지장치가 오작동될 수 있다.In addition, since the sensing bar is returned to its original position only by its own weight, when foreign matter flows in between the through hole 101 and the sensing bar, the sensing bar may not be returned smoothly, and the sensing device may malfunction.

따라서, 상기 플랜지(121)와 베이스멤버(100)의 상면 사이에 스프링(130)을 설치하여 상기 문제를 해결할 수 있다.Therefore, the problem may be solved by installing a spring 130 between the flange 121 and the upper surface of the base member 100.

상기 스프링(130)은 인장 및 압축에 모두 저항할 수 있도록 된 것으로, 상단과 하단이 각각 플랜지(121)와 베이스멤버(100)에 연결된다.The spring 130 is to be able to resist both tension and compression, the top and bottom are connected to the flange 121 and the base member 100, respectively.

따라서, 센싱바아가 상승할 때는 신장되어 수축력을 발생킴으로써 센싱바아 가 보다 용이하게 복귀될 수 있게 되고, 센싱바아가 하강할 때는 압축되면서 팽창력을 발생시킴으로써 충격을 흡수하여 소음을 방지하게 된다.Therefore, when the sensing bar rises, the contracting force is extended to generate the contracting force, and the sensing bar can be more easily returned. When the sensing bar descends, the sensing bar is compressed to generate the expansion force while absorbing the shock to prevent noise.

도 1은 본 고안이 설치된 펀칭 프레스의 개략도,1 is a schematic view of a punching press installed the present invention,

도 2는 도 1의 작동상태도로서, 트랙슈의 길이가 정상일 경우 본 고안의 작동 상태를 표시한 도면,Figure 2 is an operating state diagram of Figure 1, when the track shoe length is a view showing the operating state of the present invention,

도 3의 (a)는 트랙슈의 길이가 정상보다 긴 경우 본 고안의 작동 상태를 표시한 도면, (b)는 트랙슈의 길이가 정상보다 짧은 경우 본 고안의 작동 상태를 표시한 도면,Figure 3 (a) is a view showing the operating state of the present invention when the length of the track shoe is longer than normal, (b) is a view showing the operating state of the present invention when the length of the track shoe is shorter than normal,

도 4는 본 고안의 측단면도로서, 센싱바아의 설치상태도,Figure 4 is a side cross-sectional view of the subject innovation, the installation state of the sensing bar,

도 5는 상기 센싱바아에 스프링이 설치된 상태를 도시한 도면이다.5 is a view illustrating a state in which a spring is installed in the sensing bar.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 롤러테이블 20 : 다이10: roller table 20: die

30 : 펀칭금형 40 : 스토퍼30: punching mold 40: stopper

50 : 승강부 100 : 베이스멤버50: lifting unit 100: base member

110 : 제1센싱바아 120 : 제2센싱바아110: first sensing bar 120: second sensing bar

121 : 플랜지 130 : 스프링121: flange 130: spring

200 : 마운팅브라켓 300 : 리미트스위치200: mounting bracket 300: limit switch

310 : 감지레버 400,410 : 표시등310: detection lever 400,410: indicator

Claims (6)

프레스의 승강부에 장착된 베이스멤버와;A base member mounted to the lifting part of the press; 상기 베이스멤버에 상하 이동 가능하게 설치된 한 쌍의 센싱바아;A pair of sensing bars installed on the base member to be movable up and down; 를 포함하는 트랙슈 길이 감지장치.Track shoe length sensing device comprising a. 청구항 1에 있어서,The method according to claim 1, 상기 한 쌍의 센싱바아는, 상기 프레스에 정상 길이의 트랙슈가 진입되고 상기 승강부가 하강하였을 때, 하나의 센싱바아는 상기 트랙슈의 단부에 걸려지고 나머지 하나의 센싱바아는 걸려지지 않는 위치에 설치된 것을 특징으로 하는 트랙슈 길이 감지장치.The pair of sensing bars are installed in a position where a track shoe of normal length enters the press and the lift unit descends, one sensing bar is caught at an end of the track shoe and the other sensing bar is not caught. Track shoe length detection device, characterized in that. 청구항 1에 있어서,The method according to claim 1, 상기 베이스멤버에 관통구멍이 형성되고, 그 관통구멍에 상기 센싱바아가 삽입되며, 센싱바아의 상단에 플랜지가 형성된 것을 특징으로 하는 트랙슈 길이 감지장치.The through shoe is formed in the base member, the sensing bar is inserted into the through hole, the track shoe length sensing device, characterized in that the flange formed on the upper end of the sensing bar. 청구항 3에 있어서,The method of claim 3, 상기 플랜지와 베이스멤버의 사이에 양단이 연결되는 스프링이 설치된 것을 특징으로 하는 트랙슈 길이 감지장치.Track shoe length sensing device characterized in that the spring is installed between both ends of the flange and the base member is connected. 청구항 1에 있어서,The method according to claim 1, 상기 베이스멤버에 상기 센싱바아 상승시 회로를 결선(on)하는 리미트스위치가 설치되고, 상기 리미트스위치 on시 점등되는 표시등이 설치된 것을 특징으로 하는 트랙슈 길이 감지장치.Limit switch for connecting the circuit (on) when the sensing bar rises on the base member, the track shoe length sensing device, characterized in that the indicator light is turned on when the limit switch is on. 청구항 5에 있어서,The method according to claim 5, 상기 리미트스위치와 표시등은 상기 각 센싱바아 마다 구비되는 것을 특징으로 하는 트랙슈 길이 감지장치.The limit switch and the indicator light track length sensing device, characterized in that provided for each of the sensing bar.
KR2020090004700U 2009-04-20 2009-04-20 Track shoe length detector Expired - Fee Related KR200454735Y1 (en)

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KR20220096447A (en) 2020-12-31 2022-07-07 정현오 A length inspection device for track shoe

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CN112611295B (en) * 2020-12-21 2024-06-11 北京北方车辆集团有限公司 Track shoe rubber ring damage detection device

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US6539771B1 (en) * 2000-05-12 2003-04-01 Delphi Technologies, Inc. Seat sensor calibration method and system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6539771B1 (en) * 2000-05-12 2003-04-01 Delphi Technologies, Inc. Seat sensor calibration method and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220096447A (en) 2020-12-31 2022-07-07 정현오 A length inspection device for track shoe

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