KR100524609B1 - Spinning wheel type roller of belt tripper - Google Patents

Spinning wheel type roller of belt tripper Download PDF

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Publication number
KR100524609B1
KR100524609B1 KR10-2000-0077365A KR20000077365A KR100524609B1 KR 100524609 B1 KR100524609 B1 KR 100524609B1 KR 20000077365 A KR20000077365 A KR 20000077365A KR 100524609 B1 KR100524609 B1 KR 100524609B1
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KR
South Korea
Prior art keywords
roller
belt
tripper
impact
reclaimer
Prior art date
Application number
KR10-2000-0077365A
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Korean (ko)
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KR20020048094A (en
Inventor
박태진
Original Assignee
주식회사 포스코
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Priority to KR10-2000-0077365A priority Critical patent/KR100524609B1/en
Publication of KR20020048094A publication Critical patent/KR20020048094A/en
Application granted granted Critical
Publication of KR100524609B1 publication Critical patent/KR100524609B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/10—Arrangements of rollers
    • B65G39/12—Arrangements of rollers mounted on framework
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/28—Piling or unpiling loose materials in bulk, e.g. coal, manure, timber, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
    • F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk
    • B65G2201/045—Sand, soil and mineral ore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/28—Impact protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2812/00—Indexing codes relating to the kind or type of conveyors
    • B65G2812/02—Belt or chain conveyors
    • B65G2812/02128—Belt conveyors
    • B65G2812/02138—Common features for belt conveyors
    • B65G2812/02168—Belts provided with guiding means, e.g. rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Abstract

본 발명은 리클레이머가 야드에 파일로 적치된 원료를 불출하여 수송할 때 인접한 리클레이머의 트리퍼부에서 수송물의 중량에 의한 충격으로 발생되는 벨트의 조기마모 및 임팩트롤러의 파손을 간단하고 효율적으로 방지하여 수송효율을 향상 시킬 수 있게 한 원료 불출설비의 벨트 트리퍼의 물레형 롤러에 관한 것이다.The present invention simply and efficiently prevents early wear of the belt and damage to the impact controller caused by the impact of the weight of the transport material in the tripper portion of the adjacent reclaimer when the reclaimer delivers and transports the raw material piled into the yard. The present invention relates to a water roller-type roller of a belt tripper of a raw material dispensing system that prevents and improves transportation efficiency.

본 발명은 리클레이머 슈트 하부의 트리퍼부에 설치되는 자전롤러와; 상기 자전롤러의 축에 일체로 고정되고 별개로 회전가능하게 설치된 다수개의 공전롤러와; 상기 공전롤러의 축을 자전롤러의 축에 연결하는 절첩식 지지대와; 상기 지지대에 개재된 스프링을 포함하여 구성된다.The present invention provides a rotating roller installed in the tripper portion under the reclaimer chute; A plurality of revolving rollers integrally fixed to the shaft of the revolving roller and installed rotatably separately; A folding support for connecting the shaft of the idle roller to the shaft of the rotating roller; It is configured to include a spring interposed in the support.

이러한 본 발명은 급하게 경사진 리클레이머의 트리퍼부의 충격을 물레형롤러가 흡수하여 롤러 및 벨트를 보호하여 설비사고를 방지하는 효과와 낙하되는 원료의 충격을 공전롤러와 스프링이 흡수하여 벨트가 파공되는 설비사고를 방지하여 수송효율을 향상하여 후속공정의 생산성향상에 많은 효과가 있다.The present invention is a roller roller absorbs the impact of the tripper portion of the recliner inclined rapidly to protect the roller and the belt to prevent equipment accidents and the impact of the falling raw material by the idle roller and the spring absorbs the belt It prevents the accident of equipment to be broken and improves the transportation efficiency, which has a lot of effect on improving the productivity of subsequent processes.

Description

벨트 트리퍼의 물레형 롤러{SPINNING WHEEL TYPE ROLLER OF BELT TRIPPER}Spinning roller of belt tripper {SPINNING WHEEL TYPE ROLLER OF BELT TRIPPER}

본 발명은 원료 불출설비의 벨트 트리퍼의 물레형 롤러에 관한 것으로, 더욱 상세하게는 리클레이머가 야드에 파일로 적치된 원료를 불출하여 수송할 때 인접한 리클레이머의 트리퍼부에서 수송물의 중량에 의한 충격으로 발생되는 벨트의 조기마모 및 임팩트롤러의 파손을 간단하고 효율적으로 방지하여 수송효율을 향상 시킬 수 있게 한 원료 불출설비의 벨트 트리퍼의 물레형 롤러에 관한 것이다.The present invention relates to a wheel roller of a belt tripper of a raw material dispensing system. More particularly, the present invention relates to the weight of a cargo in the tripper portion of an adjacent reclaimer when the reclaimer delivers and transports the raw material piled into a yard. The present invention relates to a water roller-type roller of a belt tripper of a raw material dispensing system that can improve the transportation efficiency by simply and efficiently preventing early wear of a belt and damage to an impact controller caused by the impact caused by the impact.

일반적으로 벨트를 이용하여 원료를 수송하게 될때, 설비의 조건, 예를들어 벨트와 슈트의 거리가 멀어 낙하되는 원료의 충격이 벨트와 롤러에 심화되고, 중량의 수송물이 적치된 벨트가 높은 곳으로 올라가는 트리퍼부의 롤러에 부딪치는 충격 등이 벨트의 조기마모 및 롤러 편마모와 롤러 파손의 주요 원인이 되고 있다.In general, when the material is transported using a belt, the conditions of the equipment, for example, the distance between the belt and the chute is increased, and the impact of the raw material is deepened on the belt and the roller, and the belt where the heavy material is loaded is high. Impact such as hitting the roller of the tripper that rises to the top is a major cause of premature wear of the belt, roller wear, and roller breakage.

한편, 도 1 내지 도 3과 같이 수평으로 수송물을 운반하던 벨트(3)가 중량의 원료를 싣고 오르막인 트리퍼부(4)를 올라갈 때 트리퍼부(4)가 시작되는 전방롤러(7a)가 집중적으로 충격을 받아 마모 또는 파손되는 경우가 빈번하게 발생 되었다.On the other hand, when the belt 3 carrying the transport horizontally as shown in Figs. 1 to 3 ascends the upstream tripper portion 4 carrying the heavy material, the front roller 7a at which the tripper portion 4 starts is Frequent impacts caused frequent wear and tear.

특히, 롤러의 찌그러짐과 편마모 및 파손이 발생된 경우를 발견하지 못하고 계속하여 수송물을 수송할 때, 대략 2㎞ 내,외 정도 고가인 벨트가 절손되는 사고가 발생되었다. In particular, when crushing, uneven wear and breakage of the roller was not found, and the transport was continuously transported, an accident occurred that the belt, which was about 2 km or more expensive, was broken.

즉, 벨트(3)는 지상과 수평으로 설치된 캐리어롤러(8) 상부로 수송물을 수송 하다가 트리퍼부(4)에서 상측으로 부력되어 오르막을 올라가는 구조이고, 이러한 구조는 슈트(5)와 벨트(3)의 거리가 멀어 낙하되는 원료의 충격에 의해 벨트(3)가 파손되므로 이를 방지하기 위해 다수개의 임팩트롤러(7,7a,7b)를 설치하여, 벨트(3)와 슈트(5)와의 거리를 좁힐 수 있는 트리퍼부(4)를 형성한 구조로 되어 있다.That is, the belt 3 is a structure in which the transport material is transported to the upper part of the carrier roller 8 installed horizontally with the ground and buoyed upward from the tripper part 4 to ascend the uphill, and this structure is the chute 5 and the belt ( 3) The distance between the belt 3 and the suit 5 is provided by installing a plurality of impact controllers 7, 7a, and 7b to prevent the belt 3 from being damaged due to the impact of the falling raw materials. It is a structure which provided the tripper part 4 which can narrow | close.

또한, 리클레이머(1,2)가 야드에 파일(5)로 적치된 원료를 불출하여 수송할 때, 인접한 리클레이머(1a)의 트리퍼부(4)에서 수송물의 중량에 의한 충격으로 발생되는 벨트(3)의 조기 마모되거나 혹은 수송 작업중 벨트(3)에 실리는 수송물은 시간당 4000ton 내,외의 과중한 량이 되고 이러한 과중한 수송물을 수송하는 과정에서 벨트(3)에 실린 수송물의 중량과 벨트(3)의 속도에 의해 트리퍼부(4)의 전방롤러(7a)는 벨트와 수송물이 접촉되는 것과 같은 과중한 충격을 받아 마모에 의한 찌그러짐 및 파손 등의 설비사고가 발생되었다.In addition, when the reclaimers 1 and 2 deliver and transport the raw materials deposited with the pile 5 in the yard, they are caused by the impact of the weight of the transport object in the tripper portion 4 of the adjacent reclaimer 1a. When the belt 3 is worn out prematurely or the cargo carried on the belt 3 during the transportation operation is a heavy amount of 4000 tons per hour, the weight of the cargo loaded on the belt 3 and the belt in the process of transporting such a heavy cargo. Due to the speed of (3), the front roller 7a of the tripper portion 4 was subjected to heavy impact such as contact between the belt and the transport object, resulting in equipment accidents such as crushing and breakage due to abrasion.

한편, 상기와 같은 충격에 의한 찌그러짐 및 파손 등의 설비사고를 방지하기 위한 종래의 기술은 임팩트롤러(7,7a,7b)를 육안으로 점검하는 방법으로 주로 주간에 이루어지므로 롤러의 변형을 쉽게 발견할 수 있고 이 경우에는 임팩트롤러(7,7a,7b)를 교환하여 설비사고를 방지할 수 있었으나 야간에는 시야가 어두워 롤러의 변형을 쉽게 발견하지 못하지 못하는 단점이 있었다.On the other hand, the conventional technique for preventing equipment accidents such as crushing and damage due to the impact as described above is mainly made in the daytime by the method of visually inspecting the impact controller (7,7a, 7b), so that the deformation of the roller is easily found In this case, the impact controllers (7,7a, 7b) could be replaced to prevent equipment accidents, but the night vision was dark so that the deformation of the rollers could not be easily detected.

특히, 임팩트롤러(7,7a,7b)가 파손될 경우 벨트(3)가 절손되는 설비사고가 동시에 발생되는 특성에 의해 롤러파손 방지책이 더욱 더 절실하게 요구되는 실정이었다.In particular, the roller damage prevention measures are more urgently needed due to the characteristics that the equipment accidents in which the belt 3 is broken when the impact controllers 7, 7a, and 7b are broken.

본 발명은 위와같은 종래의 트리퍼부의 충격에 의하여 발생되는 문제점을 감안하여 안출한 것으로, 수송물의 충격을 흡수하여 롤러마모나 파손 및 벨트 절손방지와 수송 효율을 향상 시킬 수 있는 원료 불출설비의 벨트 트리퍼의 물레형 롤러 를 제공함에 그 목적이 있다. The present invention has been made in view of the problems caused by the impact of the conventional tripper portion as described above, the belt of the raw material dispensing equipment that can absorb the impact of the transport material to prevent roller wear or damage and belt breakage and improve transportation efficiency The purpose is to provide a roller roller of the tripper.

본 발명의 상기한 목적은 리클레이머 슈트 하부의 트리퍼부에 설치되는 자전롤러와; 상기 자전롤러의 축에 일체로 고정되고 별개로 회전가능하게 설치된 다수개의 공전롤러와; 상기 공전롤러의 축을 자전롤러의 축에 연결하는 절첩식 지지대와; 상기 지지대에 개재된 스프링을 포함하여 구성함에 의해 달성된다.The above object of the present invention is a rotating roller installed in the tripper portion of the lower portion of the reclaimer chute; A plurality of revolving rollers integrally fixed to the shaft of the revolving roller and installed rotatably separately; A folding support for connecting the shaft of the idle roller to the shaft of the rotating roller; It is achieved by including a spring interposed in the support.

이하 본 발명의 원료 불출설비의 벨트 트리퍼의 물레형 롤러 를 첨부 도면을 참조하여 설명하면 다음과 같다. Hereinafter, a spinning wheel-type roller of a belt tripper of a raw material dispensing system of the present invention will be described with reference to the accompanying drawings.

도 4 내지 도 6을 참조하면, 리클레이머(1)의 슈트(5) 하부의 본체 프레임(9)에 자전롤러(10)가 결합된다.4 to 6, the rotating roller 10 is coupled to the main body frame 9 below the chute 5 of the reclaimer 1.

상기 자전롤러(10)는 복수개의 볼트구(41)가 통공된 바(40)에 볼트고정된다.The rotating roller 10 is bolted to the bar 40 through which the plurality of bolt holes 41 are through.

또한, 상기 자전롤러(10)를 축으로 지지대(43a,b)에 의해 다수개의 공전롤러(50)가 결합된다.In addition, a plurality of revolving rollers 50 are coupled by the supporting members 43a and b around the rotating roller 10.

한편 상기 지지대(43a,b)는 서로간에 접철식으로 결합되고 스토퍼(20a,b)에 걸리는 스프링(30)이 삽입되어 완충작용을 돕는다.On the other hand the support (43a, b) is foldably coupled to each other and the spring 30 is applied to the stopper (20a, b) is inserted to help the buffering action.

상기와 같은 자전롤러(10)에 다수개의 공전롤러(50)가 결합된 물레형 롤러가 슈트 하부 트리퍼(4)에 다수개가 설치되어 벨트(3) 배면부와 밀착하여 회전된다.  As described above, a plurality of roller-type rollers in which a plurality of revolving rollers 50 are coupled to the rotating roller 10 are installed in the chute lower tripper 4 and are rotated in close contact with the rear surface of the belt 3.

따라서, 이와 같은 본 발명은 불출설비인 리클레이머(1)에서 원료를 불출하게 되면 원료가 적치된 벨트(3)가 진행방향의 인접한 리클레이머(1a)의 트리퍼부(4)를 지나가게 된다. Therefore, in the present invention, when the raw material is discharged from the reclaimer 1, which is a dispensing facility, the belt 3 on which the raw material is stacked passes the tripper portion 4 of the adjacent reclaimer 1a in the advancing direction. do.

이때, 벨트(3)의 진행에 따라 물레형 롤러는 공전롤러(50)가 회전되고 자전롤러(10)가 회전된다. At this time, the revolution roller 50 is rotated and the rotating roller 10 is rotated according to the progress of the belt (3).

그리고, 종래의 전방롤러(7a)의 역할인 진행되는 수송물의 충격을 공전롤러(50)가 회전되며 접철식으로 생긴 지지대(43a,b)와 스프링(30)이 흡수하게 되고, 전방롤러(7a)에 비해 물레형 롤러는 쉽게 마모되거나 파손되지 않게 된다. Then, the idle roller 50 is rotated and the supporters 43a, b and the spring 30, which are formed by folding, are absorbed by the impact of the transported object, which is a role of the conventional front roller 7a, and the front roller 7a. In comparison, spinning rollers are not easily worn or broken.

또한, 슈트(5)에서 낙하되는 원료의 충격을 물레형롤러(10)가 회전하면서 흡수하게 된다.Further, the impact of the raw material falling from the chute 5 is absorbed while the spinning roller 10 rotates.

이상에서 설명한 바와 같이, 본 발명은 급하게 경사진 리클레이머의 트리퍼부의 충격을 물레형롤러가 흡수하여 롤러 및 벨트를 보호하여 설비사고를 방지하는 효과와 낙하되는 원료의 충격을 공전롤러와 스프링이 흡수하여 벨트가 파손되는 설비사고를 방지하여 수송효율을 향상하여 후속공정의 생산성향상에 많은 효과가 있다.As described above, in the present invention, the roller roller absorbs the impact of the sharply inclined tripper part of the reclaimer, protects the roller and the belt, and prevents equipment accidents and the impact of the falling raw material of the roller and the spring. This absorbs and prevents equipment accidents in which the belt is damaged, thereby improving transportation efficiency, thereby improving productivity in subsequent processes.

도 1 및 도 2는 일반적인 원료 불출설비의 일예를 보인 측면도,1 and 2 is a side view showing an example of a general raw material dispensing equipment,

도 3은 종래 기술에 따른 트리퍼부의 상태를 도시한 측면도,3 is a side view showing a state of a tripper according to the prior art;

도 4는 본 발명의 벨트 트리퍼의 물레형 롤러를 나타낸 측면도,Figure 4 is a side view showing a spinning wheel roller of the belt tripper of the present invention,

도 5는 본 발명의 벨트 트리퍼의 물레형 롤러를 상세하게 나타낸 부분사시도,Figure 5 is a partial perspective view showing in detail the spinning wheel roller of the belt tripper of the present invention,

도 6는 본 발명의 벨트 트리퍼의 물레형 롤러 를 상세하게 나타낸 부분사시도.Figure 6 is a partial perspective view showing in detail the spinning roller of the belt tripper of the present invention.

[도면의 주요 부분에 대한 부호의 설명〕[Explanation of symbols for the main parts of the drawings]

1,1a ; 리클레이머 2 ; 브랜딩 리클레이머 3 ; 벨트1,1a; Reclaimer 2; Branding reclaimer 3; belt

4 ; 트리퍼부 5 ; 슈트 7 ; 임팩트롤러4 ; Tripper section 5; Chute 7; Impact Controller

7a ; 전방롤러 7b ; 후방롤러 8 ; 캐리어롤러7a; Front roller 7b; Rear roller 8; Carrier Roller

9 ; 프레임 10 ; 자전롤러 20a,20b ; 스토퍼9; Frame 10; Rotating rollers 20a, 20b; stopper

30 ; 스프링 40 ; 공전롤러 43a,43b ; 지지대30; Spring 40; Idle rollers 43a, 43b; support fixture

Claims (1)

리클레이머(1)의 슈트(5) 하부 트리퍼부(4)의 본체프레임(9)에 설치되는 자전롤러(10)와;A rotating roller 10 mounted to the main body frame 9 of the chute 5 lower tripper portion 4 of the reclaimer 1; 상기 자전롤러(10)의 축 양단에 방사상으로 베어링 고정되고, 길이 일부에는 스토퍼(20b)가 구비된 다수개의 지지대(43b)와;A plurality of supports 43b radially fixed to both ends of the shaft of the rotating roller 10, and having a stopper 20b provided at a part of the length thereof; 상기 각 지지대(43b)에 삽입되되 이탈되지 않으면서 유동성을 갖고 설치되며, 길이 일부에는 스토퍼(20a)가 마련된 또다른 지지대(43a)와;Another support 43a inserted into each support 43b but installed with fluidity without being separated, and having a stopper 20a provided at a length thereof; 상기 지지대(43a,b)에 끼워지고, 상기 스토퍼(20a,b)에 걸림되게 배치된 스프링(30)과;A spring 30 fitted to the supports 43a and b and disposed to be engaged with the stoppers 20a and b; 상기 각 지지대(43a)의 단부에 축설된 공전롤러(50)를 포함하여 구성되는 것을 특징으로 하는 벨트 트리퍼의 물레형 롤러.Spinning roller of the belt tripper, characterized in that it comprises a revolving roller (50) arranged at the end of each support (43a).
KR10-2000-0077365A 2000-12-16 2000-12-16 Spinning wheel type roller of belt tripper KR100524609B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2000-0077365A KR100524609B1 (en) 2000-12-16 2000-12-16 Spinning wheel type roller of belt tripper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2000-0077365A KR100524609B1 (en) 2000-12-16 2000-12-16 Spinning wheel type roller of belt tripper

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KR100524609B1 true KR100524609B1 (en) 2005-11-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102718035A (en) * 2012-06-18 2012-10-10 华电重工股份有限公司 Reclaimer with self-releasing buffer bed

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224691U (en) * 1975-08-12 1977-02-21
JPS5523320U (en) * 1978-07-28 1980-02-15
JPS5997912U (en) * 1982-12-21 1984-07-03 川崎製鉄株式会社 Belt suspension system for transfer belt conveyor in cargo unloader
JP2000335726A (en) * 1999-05-26 2000-12-05 Matsushita Electric Works Ltd Omnidirectional roller

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224691U (en) * 1975-08-12 1977-02-21
JPS5523320U (en) * 1978-07-28 1980-02-15
JPS5997912U (en) * 1982-12-21 1984-07-03 川崎製鉄株式会社 Belt suspension system for transfer belt conveyor in cargo unloader
JP2000335726A (en) * 1999-05-26 2000-12-05 Matsushita Electric Works Ltd Omnidirectional roller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102718035A (en) * 2012-06-18 2012-10-10 华电重工股份有限公司 Reclaimer with self-releasing buffer bed

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