KR100466231B1 - Belt Centering Apparatus of Conveyor Belt - Google Patents
Belt Centering Apparatus of Conveyor Belt Download PDFInfo
- Publication number
- KR100466231B1 KR100466231B1 KR10-2001-0087538A KR20010087538A KR100466231B1 KR 100466231 B1 KR100466231 B1 KR 100466231B1 KR 20010087538 A KR20010087538 A KR 20010087538A KR 100466231 B1 KR100466231 B1 KR 100466231B1
- Authority
- KR
- South Korea
- Prior art keywords
- belt
- centering
- conveyor belt
- rubber sheet
- roller
- Prior art date
Links
- 230000009021 linear effect Effects 0.000 claims description 12
- 238000013459 approach Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Classifications
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- 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
- B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
-
- 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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- 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
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
-
- 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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
- B65G2203/0233—Position of the article
-
- 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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
본 발명은 이송하는 고무시트의 사행을 방지하여 생산성 향상을 도모하는 이송콘베이어 벨트의 센터링장치에 관한 것으로, 고무시트(1)와 같은 물품을 로울러(2)상에서 연속적으로 이동시키기 위한 이송콘베이어 장치에 있어서, 이동하는 고무시트(1)의 사행을 감지하는 감지부(3)와, 이 감지부(3)의 신호를 인가 받아 로울러(2)의 전후이동을 조절하는 센터링 조절부(4) 및, 이 센터링 조절부(4)를 작용시키는 공압부(5)로 이루어져 있다.The present invention relates to a centering device of a conveying conveyor belt to prevent meandering of the conveying rubber sheet to improve productivity. The present invention relates to a conveying conveyor apparatus for continuously moving an article such as the rubber sheet 1 on the roller 2. In this case, the sensing unit 3 for detecting the meandering of the moving rubber sheet (1), the centering control unit (4) for controlling the forward and backward movement of the roller (2) by receiving a signal from the detection unit (3), It consists of a pneumatic part 5 which acts on the centering adjustment part 4.
Description
본 발명은, 예를 들어 고무시트와 같은 재료를 이송시킬때 이용되는 이송콘베이어 벨트에 관한 것으로, 이송되는 고무시트가 외력에 의해 좌우편차가 발생되어 한쪽으로 쏠리는 사행을 방지하는 개선된 이송콘베이어 벨트의 벨트 센터링장치에 관한 것이다.The present invention relates to a conveying conveyor belt used for conveying a material such as, for example, a rubber sheet, wherein the conveyed rubber sheet prevents meandering caused by left and right deviation caused by an external force to be pulled to one side. It relates to a belt centering device of.
주지된 바와 같이 시트와 같은 물품을 연속 이송하는 이송콘베이어 장치는 콘베이어 로울러들 위를 지나는 물품을 연속적으로 이동시키기 위해 이용되는바, 여기서 이송중인 시트의 센터링, 즉 한쪽으로 쏠리는 사행진행을 방지하기 위해 사행방지구조는 통상 콘베이어 벨트의 종동 또는 아이들 홀의 양끝단에 브리지를 조립하고 이 브리지에 스크류를 체결하여 수동으로 콘베이어 벨트의 센터링을 조정하도록 되어 있다.As is well known, a conveying conveyor device for continuously conveying an article such as a sheet is used to continuously move an article passing over the conveyor rollers, in order to prevent centering of the sheet being conveyed, i.e., meandering on one side. The meandering structure is generally designed to manually adjust the centering of the conveyor belt by assembling the bridge at both ends of the conveyor belt or at the ends of the idle hole and screwing the bridge.
그러나 이러한 종래 콘베이어 벨트의 센터링장치는 이 콘베이어 벨트의 텐션과 늘어짐 현상을 조정하는 장치로 주기능을 발휘하나, 이송중인 시트의 사행방지를 위한 역할은 보조적인 관계로 제대로 수행되지 못하였다.However, the centering device of the conventional conveyor belt has a main function as a device for adjusting the tension and sagging of the conveyor belt, but the role for preventing the meandering of the sheet being transported was not properly performed due to an auxiliary relationship.
또한 종래 방식은 콘베이어 벨트의 표면에서 고무시트가 이동되는 경우 어느정도 센터링을 조정할 수 있으나, 콘베이어 벨트와 벨트사이에서 고무시트가 이송되는 경우에는 벨트에 가해지는 외력이 크고, 또한 좌우외력의 편차가 발생되어 정확한 센터링 기능을 발휘할 수 없는 단점이 있었다.In addition, in the conventional method, the centering can be adjusted to some extent when the rubber sheet is moved on the surface of the conveyor belt. However, when the rubber sheet is transferred between the conveyor belt and the belt, the external force applied to the belt is large, and the deviation of left and right external forces occurs. There was a disadvantage that can not exhibit the correct centering function.
한편, 종래에도 이동중인 물품을 이송하는 콘베이어 벨트의 사향방지장치가대한민국 공개실용신안공보 1999-0026,133호로 제안되었는바, 이 장치는 벨트의 사행이 발생할 때마다 편심된 벨트의 균형 및 정상적인 장력을 유지시키기 위해 벨트드럼에 플로팅 조인트와 가이드바를 이용하였으나, 벨트 사행에 따른 조정기능이 원활하지 못한 단점이 있었다.On the other hand, a vehicular anti-vibration device for conveying a moving item has been proposed as Korean Patent Application Publication No. 1999-0026,133, which is a balance and normal tension of the eccentric belt whenever a meandering of the belt occurs. The floating joint and the guide bar were used in the belt drum to maintain the pressure, but the adjustment function of the belt meandering was not smooth.
이에 본 발명은 상기와 같은 문제점을 해결하기 위해 발명된 것으로, 이동되는 고무시트가 외력에 의해 좌우 편차가 발생하게 되면 이를 감지하여 콘베이어 벨트의 로울러를 자동으로 조절하여 벨트의 사행을 방지하면서 생산성을 향상시킬 수 있는 개선된 이송콘베이어 벨트의 벨트 센터링장치를 제공함에 그 목적이 있다.Therefore, the present invention was invented to solve the above problems, the rubber sheet to be moved when the left and right deviation caused by the external force to detect this by automatically adjusting the roller of the conveyor belt to prevent the belt meandering productivity It is an object of the present invention to provide a belt centering device for an improved conveying conveyor belt that can be improved.
도 1은 본 발명에 따른 이송콘베이어 벨트의 벨트 센터링장치 전체를 개략적으로 나타낸 도면,1 is a view schematically showing the entire belt centering device of the transfer conveyor belt according to the present invention,
도 2는 도 1에서 A부분 확대 평면도,2 is an enlarged plan view of a portion A of FIG.
도 3은 도 1에서 B부분 확대 측면도,3 is an enlarged side view of portion B of FIG. 1;
도 4는 본 발명에 다른 공압회로도이다.4 is a pneumatic circuit diagram according to the present invention.
- 도면의 주요부분에 대한 부호의 설명 --Explanation of symbols for the main parts of the drawings-
1 - 고무시트 2 - 로울러1-Rubber Sheet 2-Roller
3 - 감지부 4 - 센터링 조절부3-Sensor 4-Centering Control
5 - 공압부 6 - 콘베이어 벨트5-Pneumatic 6-Conveyor Belt
7a,7b - 롤 8 - 연결축7a, 7b-Roll 8-Connecting Shaft
9a,9b - 직선리니어 10a,10b - 센서9a, 9b-Linear Linear 10a, 10b-Sensor
11a,11b - 공압실린더 12 - 피스톤11a, 11b-Pneumatic Cylinder 12-Piston
13 - 가이드 부 14a,14b - 솔레노이드 밸브13-guide section 14a, 14b-solenoid valve
15a,15b - 레귤레이터 16 - 후진용 솔레노이드 밸브15a, 15b-Regulator 16-Solenoid Valve for Reverse
상기와 같은 목적을 달성하기 위한 본 발명은 이동하는 고무시트의 사행을 감지하는 감지부와, 이 감지부의 신호가 인가되어 로울러의 전후이동을 조절하는 센터링 조절부 및 이 센터링 조절부를 작용시키는 공압부로 이루어져 있다.The present invention for achieving the above object is a sensing unit for detecting the meandering of the moving rubber sheet, the centering control unit for controlling the front and rear movement of the roller is applied to the signal of the sensing unit and the pneumatic unit acting the centering control unit consist of.
이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명이 적용된 이송 콘베이어 벨트 전체 개략구성도이고, 도 2와 도 3은 본 발명의 요부 확대도면들이고, 도 4는 본 발명의 공압 회로도이다.Figure 1 is a schematic overall configuration of the conveying conveyor belt to which the present invention is applied, Figures 2 and 3 are enlarged views of the main portion of the present invention, Figure 4 is a pneumatic circuit diagram of the present invention.
본 발명은 고무시트(1)와 같은 물품을 로울러(2)상에서 연속적으로 이동시키기 위한 이송콘베이어 장치에 있어서, 이동하는 고무시트(1)의 사행을 감지하는 감지부(3)와, 이 감지부(3)의 신호를 인가받아 로울러(2)의 전후이동을 조절하는 센터링 조절부(4) 및 이 센터링 조절부(4)를 작용시키는 공압부(5)로 이루어져 있다.The present invention provides a conveying conveyor device for continuously moving an article such as a rubber sheet (1) on a roller (2), comprising: a sensing unit (3) for sensing the meandering of the moving rubber sheet (1), and the sensing unit It is composed of a centering control unit (4) for controlling the forward and backward movement of the roller (2) by receiving the signal of (3) and a pneumatic part (5) acting the centering control unit (4).
여기서 상기 감지부(3)는 콘베이어 벨트(6)상에 설치되어 고무시트(1)의 좌우측 접근을 감지하는 좌우측 롤(7a,7b)과 이 좌우측 롤(7a,7b)들을 서로 연결하는 연결축(8), 이 좌우측 롤(7a,7b)들이 좌우방향으로 이동하는 것을 안내하는 좌우측 직선리니어(9a,9b)및, 상기 좌우측 직선리니어(9a,9b)에 각각 부착된 센서(10a,10b)들로 이루어져 있다.Here, the sensing unit 3 is installed on the conveyor belt 6 to connect the left and right rolls 7a and 7b and the left and right rolls 7a and 7b which sense the left and right approach of the rubber sheet 1 to each other. (8), the left and right linear linears 9a and 9b for guiding the left and right rolls 7a and 7b to move in the left and right directions, and the sensors 10a and 10b attached to the left and right linear linears 9a and 9b, respectively. It consists of
그리고 이 감지부(3)의 센서(10a,10b)들에서 인가하는 신호에 따라 작동하는 센터링 조절부(4)는 콘베이어 로울러(2)를 좌우측 끝단에서 각각 전후진 방향으로 이동하는 좌우측 공압실린더(11a,11b)와 이 공압실린더(11a,11b)들의 피스톤(12)을 직선방향으로 유도하는 가이드부(13)로 이루어져 있다.In addition, the centering adjusting unit 4 operating according to the signals applied from the sensors 10a and 10b of the sensing unit 3 moves the conveyor rollers 2 at the left and right ends, respectively, in the forward and backward directions, respectively. 11a and 11b and guide portions 13 for guiding the pistons 12 of the pneumatic cylinders 11a and 11b in a linear direction.
또한 상기 센터링 조절부(4)의 좌우측 공압실린더(11a,11b)를 작동하는 공압부(5)의 이 좌우측 공압실린더(11a,11b)들에는 각각 2개의 솔레노이드 밸브(14a,14b)들에 각각 연결되는 저고압 레귤레이터(15a,15b)들을 갖추면서 후진용 솔레노이드 밸브(16)와 공용으로 연결되어 있다.In addition, the left and right pneumatic cylinders 11a and 11b of the pneumatic part 5 for operating the left and right pneumatic cylinders 11a and 11b of the centering adjustment part 4 are respectively provided with two solenoid valves 14a and 14b. The low voltage regulators 15a and 15b are connected to each other, and are connected in common with the reverse solenoid valve 16.
즉, 이와 같이 이루어진 본 발명에 따른 이송콘베이어 벨트의 벨트 센터링 장치는 도 1에 도시된 콘베이어 벨트(6)의 로울러(2)에서 이동하는 고무시트(1)가 일예로 좌측으로 쏠리는 사행이동을 하게 되면, 먼저 도 3에 도시된 감지부(3)의 좌우측 롤(7a,7b)들은 연결축(8)을 매개로 직선 리니어(9a,9b)를 따라 좌측으로 함께 이동하게 되는데, 이때 상기 좌측 감지센서(10a)가 이를 감지하여 신호를 공압부(5)로 인가시킨다.That is, the belt centering device of the conveying belt according to the present invention made as described above makes the rubber sheet 1 moving in the roller 2 of the conveyor belt 6 shown in FIG. 3, the left and right rolls 7a and 7b of the sensing unit 3 shown in FIG. 3 are moved together to the left along the linear linear lines 9a and 9b via the connecting shaft 8. The sensor 10a detects this and applies a signal to the pneumatic part 5.
그러면 상기 공압부(5)에서 센터링 조절부(4)의 공압실린더(11a,11b)중 좌측공압실린더(11a)를 솔레노이드 밸브(14a)를 이용하여 도 2와 같이 전진시키게 되는바, 이와 동시에 우측 공압실린더(11b)는 이에 연결된 저압으로 변경되어 후진용 솔레노이드 밸브(1b)에 의해 후진하게 됨으로써 상기 콘베이어 벨트의 로울러(2)는 좌측의 사행된 상태에서 우측으로 다시 이동하여 이동하는 고무시트(1)의 센터링 맞추는 정렬상태를 유지하게 된다.Then, in the pneumatic part 5, the left pneumatic cylinder 11a of the pneumatic cylinders 11a and 11b of the centering control part 4 is advanced using the solenoid valve 14a as shown in FIG. The pneumatic cylinder (11b) is changed to the low pressure connected thereto and is reversed by the reversing solenoid valve (1b), so that the roller (2) of the conveyor belt moves back to the right in the meandering state on the left side and moves to the rubber sheet (1). ) Centering alignment will be maintained.
반면에 이동하는 고무시트(1)가 우측으로 쏠리는 사행 이동하게 되면, 앞서 설명한 내용과 반대로 좌우측 공압실린더(11a,11b)들이 작용하여 이 고무시트(1)의 센터링을 맞추게 되어 있다.On the other hand, if the moving rubber sheet 1 is moved in a meandering direction to the right, the left and right pneumatic cylinders (11a, 11b) to act as opposed to the above description to match the centering of the rubber sheet (1).
상기와 같이 본 발명은 이송하는 고무시트의 센터링 불량으로 인한 설비정지 시간의 과다로 인한 생산성 저하를 예방할 뿐만 아니라, 이동중인 고무시트가 한쪽으로 쏠리는 사행을 방지하는 효과를 지니게 된다.As described above, the present invention not only prevents productivity decrease due to excessive stoppage time due to poor centering of the rubber sheet to be transferred, but also has an effect of preventing meandering of the rubber sheet being moved to one side.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0087538A KR100466231B1 (en) | 2001-12-28 | 2001-12-28 | Belt Centering Apparatus of Conveyor Belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0087538A KR100466231B1 (en) | 2001-12-28 | 2001-12-28 | Belt Centering Apparatus of Conveyor Belt |
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| Publication Number | Publication Date |
|---|---|
| KR20030057161A KR20030057161A (en) | 2003-07-04 |
| KR100466231B1 true KR100466231B1 (en) | 2005-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR10-2001-0087538A KR100466231B1 (en) | 2001-12-28 | 2001-12-28 | Belt Centering Apparatus of Conveyor Belt |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100720310B1 (en) * | 2006-09-19 | 2007-05-21 | 서달문 | Conveyor Belt Change and Tension Control |
| KR101812256B1 (en) * | 2017-08-08 | 2018-01-30 | 한전케이피에스 주식회사 | Automatic adjustment device for prevention deviation of pulley's belt that drive shaft of runners and control method therof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828517B (en) * | 2015-05-05 | 2017-03-29 | 中国矿业大学(北京) | The belt deviation detection method of view-based access control model |
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2001
- 2001-12-28 KR KR10-2001-0087538A patent/KR100466231B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100720310B1 (en) * | 2006-09-19 | 2007-05-21 | 서달문 | Conveyor Belt Change and Tension Control |
| KR101812256B1 (en) * | 2017-08-08 | 2018-01-30 | 한전케이피에스 주식회사 | Automatic adjustment device for prevention deviation of pulley's belt that drive shaft of runners and control method therof |
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