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WO2007052507A1 - Detecteur de synchronisation de remplacement destine a une chaine transporteuse et procede de detection de la synchronisation de remplacement destine a une chaine transporteuse - Google Patents

Detecteur de synchronisation de remplacement destine a une chaine transporteuse et procede de detection de la synchronisation de remplacement destine a une chaine transporteuse Download PDF

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Publication number
WO2007052507A1
WO2007052507A1 PCT/JP2006/321231 JP2006321231W WO2007052507A1 WO 2007052507 A1 WO2007052507 A1 WO 2007052507A1 JP 2006321231 W JP2006321231 W JP 2006321231W WO 2007052507 A1 WO2007052507 A1 WO 2007052507A1
Authority
WO
WIPO (PCT)
Prior art keywords
dog
conveyor chain
chain
control device
detecting
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2006/321231
Other languages
English (en)
Japanese (ja)
Inventor
Kiyoshi Shimizu
Hiromasa Umebayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of WO2007052507A1 publication Critical patent/WO2007052507A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
    • 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
    • B65G2203/044—Optical

Definitions

  • the present invention relates to an apparatus and method for detecting a stretched portion of a conveyor chain and exchanging a compare chain by a predetermined length.
  • a conveyor chain is used to transport heavy objects in a factory.
  • a typical conveyor chain is equipped with dogs at regular intervals, and a heavy object is hooked on the dog for transport.
  • a conveyor chain has a structure in which a large number of links are connected by pins, and is constantly tightened and relaxed while traveling, resulting in wear of components, the conveyor chain extending, and the distance between the dogs also increasing. It will be long. Then, problems such as shifting the timing of picking up heavy objects occur. Patent Document 1 and Patent Document 2 have proposed to solve this problem.
  • Patent Document 1 a pair of trigger light projectors and a pair of trigger light projectors and light receiver pairs are separated from each other by a predetermined distance across a link chain conveyor. Oppositely arranged, trigger projector When the receiver pair detects the end of the link chain, it detects the amount of light received by the detector pair near the end of another link chain Thus, a measurement method has been proposed in which a change in the relative position of another link chain end is detected as a change in the amount of received light.
  • Patent Document 2 in order to measure the extension degree of a chain of a chain conveyor, two laser rollers, bushes or pins are irradiated with laser light from two laser light sources, and this laser light is irradiated.
  • the part is imaged by an imaging device, the distance between the center positions of two adjacent rollers, bushes or pins is calculated, and this is compared with the distance between the reference center positions. If the threshold is exceeded, a chain replacement alarm is issued. Proposals for output are made.
  • Patent Document 1 Japanese Patent Laid-Open No. 7-285642
  • Patent Document 2 Japanese Patent Laid-Open No. 10-332342
  • the transport hanger (dog) is attached to the link chain at a constant pitch, and even if the deviation due to wear between the individual link chains is less than a threshold value, it is 1 pitch.
  • the transfer nonger is transferred between the conveyors by a pusher, there is a possibility that a delay in the transfer occurs and a space of one pitch is left in the transferred conveyor, which may hinder production.
  • Patent Document 2 The method proposed in Patent Document 2 is based on the premise that the entire chain conveyor is replaced. Therefore, even if there is a part that can be used with little wear, it is expensive to replace the entire part including that part.
  • the present invention is an apparatus for detecting a replacement time of a conveyor chain in which a dog is suspended at a constant interval, and this apparatus includes two adjacent dogs.
  • a detection device that detects that one of the dogs is within the measurement range, a control device that receives a signal from the detection device, and a specific position of the one dog that receives an operation signal from the control device.
  • a light-receiving unit that detects a displacement, a displacement measuring unit that receives an operation signal from the control device and detects a displacement of a reference position force at a specific position of the other dog, and a measured value of the displacement measuring unit. Based on this, when the calculated pitch between the two dogs exceeds the threshold value, an exchange signal is received that instructs the exchange of the conveyor chain between the one dog and the other dog in response to the operation signal of the control device force. It has a configuration with instruction means.
  • the light emitting / receiving unit for detecting the specific position of the one dog is used, and the amount of displacement for detecting the displacement of the reference position force at the specific position of the other dog is used.
  • the force S which is located upstream of the measurement unit and can be considered to position the replacement instruction means between the light projecting / receiving unit and the displacement measuring unit, is not limited to this.
  • the replacement instruction means is preferable because a coating gun can be easily arranged, but is not limited thereto.
  • the method for detecting the replacement time of the compare chain is based on the premise that the above-described detection device is used, and one of the two dogs adjacent by the detection device falls within the measurement range.
  • the detection device detects that it has entered and outputs a detection signal to the control device.
  • the control device Upon receipt of this detection signal, the control device outputs an operation signal to the light projecting / receiving unit and the displacement measuring unit, and
  • the light receiving unit receives the operation signal and detects the specific position of the one dog, and at the same time, the displacement measuring unit receives the operation signal and measures the displacement of the reference position force at the specific position of the other dog.
  • the pitch between the two dogs is calculated, and when the calculated value exceeds the threshold value, the replacement instruction means should be switched from the control device to the one dog. And it outputs the One indicia Keru actuation signal.
  • FIG. 1 is a plan view of a compare chain replacement time detection device according to the present invention.
  • FIG. 1 is a plan view of a conveyor chain replacement time detection device according to the present invention
  • FIG. 2 is a side view of the comparison chain replacement time detection device
  • FIG. 3 is a cross-sectional view taken along line AA in FIG. 4 is a cross-sectional view taken along the line B-B of FIG. 1
  • FIG. 5 is a side view of the conveyor chain with the dog attached
  • FIG. 6 is a plan view of FIG. 5
  • FIG. 7 is a displacement measuring unit. It is a top view of the arrange
  • a conveyor chain that travels to the right also with a left force has links 1 and 2 that are 90 ° out of phase, connected by a pin 3.
  • Each link 1, 2 is composed of link pieces la, la and 2a, 2a facing each other, and a center plate 4 is interposed between the link pieces 2a, 2a.
  • a horizontal roller 6 is rotatably supported between the link pieces la and la via a pin 5.
  • the rail 7 is configured by facing the left and right halves 7a, 7a facing each other, and the horizontal roller 6 is in contact with the inner side surfaces of the left and right halves 7a, 7a of the rail 7 to run. Absorbs left and right blur and vibration.
  • a pair of vertical rollers 9, 9 are supported on the outside of the link pieces 2a, 2a via pins 8 so as to rotate freely. These vertical rollers 9 and 9 roll in contact with the bottom surface of the rail 7 which is bent inside the left and right halves 7a and 7a.
  • a pair of support plates 10 are provided on the lower surface of the center plate 4, and a base end portion of the dog 11 is rotatably supported between the support plates 10, and further between the pair of support plates 10.
  • a restricting member 12 is provided, and the restricting member 12 restricts the clockwise rotation of the dog 11. As a result, the dog 11 maintains its posture shown in FIG. 5 with its tip tilted downward when no hanger is attached.
  • a reflective marker 13 that is detected by a detection device to be described later is attached by a magnet or an adhesive.
  • the reflective marker 13 may be attached to all dogs, or may be attached at predetermined intervals such as every other dog or every dog.
  • 20 is a control device, and this control device 20 includes a detection device 21, light projection and light reception.
  • Unit 22, displacement measurement unit 23, paint gun 24, warning light 25, warning buzzer 26, and servo motor 27 are connected as replacement instructions.
  • the detection device 21 is configured to incorporate, for example, an issuing element and a light receiving element, and detects that the predetermined dog 11 has entered the measurement range by detecting the reflective marker 13, and detects that the control device 20 Output to.
  • control device 20 Upon receiving the detection signal from the detection device 21, the control device 20 outputs an operation signal to the light projecting / receiving unit 22 and the displacement measuring unit 23.
  • the light projecting / receiving unit 22 is configured such that the laser beam projecting device 22a and the light receiving device 22b are opposed to each other with the chain conveyor interposed therebetween.
  • the point of time away from between the light projecting device 22a and the light receiving device 22b is determined as the time of passage of the rear end of the dog 11.
  • the displacement measuring unit 23 is also configured by arranging a laser beam projecting device 23a and a light receiving device 23b opposite to each other with a chain conveyor interposed therebetween.
  • the displacement measuring unit 23 has a laser beam. Irradiation by the light projecting device 23a is defined as a predetermined area (portion surrounded by a square in FIG. 2), and the light receiving area of the light receiving device 23b is also defined as a predetermined area. Therefore, when a part of the rear end of the dog 11 is applied to the irradiation region, the light receiving area is reduced accordingly. That is, the light blocking width in FIG. 7 is increased and the light receiving width is decreased. Therefore, the amount of deviation of the rear end of the dog 11 can be known by comparing the reference light receiving area that has been calibrated in advance with the light receiving area.
  • control device 20 also counts the control signal of the servo motor 27 when the detection device 21 detects the reflection marker 13, and accurately determines the movement distance of the dog 11 from the time when the reflection marker 13 is detected. I can know. Therefore, when the dog 11 comes to the front of the paint gun 24, the paint is sprayed from the paint gun 24 to the dog 11, and a mark indicating one pitch to be replaced is attached to the dog 11. [0030] Thereafter, the chain conveyor for one pitch is removed, a new chain conveyor for one pitch is added, and the replacement operation is completed.
  • the force described in the example in which the conveyor chain travels from the left to the right may be allowed to travel to the left with the other members being left as they are.
  • the motor may not be a servo motor, but a contact type or non-contact type sensor for detecting the dog may be provided in the vicinity of the coating gun. Further, it may be configured that the operator recognizes the operation of a warning light and a warning buzzer that are not necessarily required as a replacement instruction means, and the operator applies paint or affixes tape.

Landscapes

  • Control Of Conveyors (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Le problème à résoudre dans le cadre de cette invention concerne la mise en place d’un détecteur et d’un procédé de synchronisation de remplacement destinés à une chaîne transporteuse qui permettent de ne remplacer qu’un seul pas de chaîne fortement abrasé. La solution proposée consiste à mesurer simultanément la distance de déviation du bord arrière d’une dent (11) à partir d’une position de référence à l’aide d’une unité de mesure de déplacement (23) et à calculer cette distance à l’aide d’un dispositif de commande (20) et ce, au moment où le bord arrière d’une autre dent (11) adjacent à une unité de projection/réception de lumière (22) est détecté. Lorsque cette valeur dépasse un seuil, un signal d’opération est sorti vers un pistolet de peinture (24). Lorsque la dent (11) se trouve en face du pistolet de peinture (24), la peinture est éjectée du pistolet (24) et se dirige sur la dent (11) et une marque indiquant le pas à remplacer est déposée sur la dent (11).
PCT/JP2006/321231 2005-11-07 2006-10-25 Detecteur de synchronisation de remplacement destine a une chaine transporteuse et procede de detection de la synchronisation de remplacement destine a une chaine transporteuse Ceased WO2007052507A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005321999A JP2007127581A (ja) 2005-11-07 2005-11-07 コンベアチェーンの交換時期検出装置及びコンベアチェーンの交換時期検出方法
JP2005-321999 2005-11-07

Publications (1)

Publication Number Publication Date
WO2007052507A1 true WO2007052507A1 (fr) 2007-05-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/321231 Ceased WO2007052507A1 (fr) 2005-11-07 2006-10-25 Detecteur de synchronisation de remplacement destine a une chaine transporteuse et procede de detection de la synchronisation de remplacement destine a une chaine transporteuse

Country Status (3)

Country Link
JP (1) JP2007127581A (fr)
CN (1) CN101316775A (fr)
WO (1) WO2007052507A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009301945A (ja) * 2008-06-16 2009-12-24 Panasonic Corp 負極およびリチウムイオン二次電池
JP7367172B1 (ja) 2022-12-19 2023-10-23 東芝エレベータ株式会社 踏段チェーンの伸び検出装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010210275A (ja) * 2009-03-06 2010-09-24 Yachiyo Industry Co Ltd リンクコンベアチェーンの伸び測定装置
CN103192133A (zh) * 2013-04-22 2013-07-10 安吉长虹制链有限公司 一种链条切割机的定位抓取结构
CN104625566A (zh) * 2015-02-03 2015-05-20 安徽芜湖海螺建筑安装工程有限责任公司 一种水泥生产线上的斜拉链链条的更换方法
FI128485B (en) * 2015-07-06 2020-06-15 Konecranes Oyj Arrangement and method for checking the condition of the chain
CN105352714A (zh) * 2015-11-23 2016-02-24 苏州顺革智能科技有限公司 一种链条紧目检测装置
JP6170220B1 (ja) * 2016-09-09 2017-07-26 東芝エレベータ株式会社 診断装置
JP7183633B2 (ja) * 2018-08-31 2022-12-06 中西金属工業株式会社 チェーン設備監視システム
JP2020037457A (ja) * 2018-09-03 2020-03-12 中西金属工業株式会社 チェーン監視システム
CN114354222B (zh) * 2022-01-14 2023-05-12 广汽本田汽车有限公司 一种输送链检测适配支架及输送链磨损检测系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319052A (en) * 1976-08-05 1978-02-21 Toyota Motor Co Ltd Method of and apparatus for detecting wear at endurance limit of chain conveyor
JPS63262326A (ja) * 1987-04-20 1988-10-28 Mitsubishi Motors Corp コンベアチエ−ンの伸び検出装置
JPH08290767A (ja) * 1995-04-21 1996-11-05 Daifuku Koei Kk チェーン設備

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319052A (en) * 1976-08-05 1978-02-21 Toyota Motor Co Ltd Method of and apparatus for detecting wear at endurance limit of chain conveyor
JPS63262326A (ja) * 1987-04-20 1988-10-28 Mitsubishi Motors Corp コンベアチエ−ンの伸び検出装置
JPH08290767A (ja) * 1995-04-21 1996-11-05 Daifuku Koei Kk チェーン設備

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009301945A (ja) * 2008-06-16 2009-12-24 Panasonic Corp 負極およびリチウムイオン二次電池
JP7367172B1 (ja) 2022-12-19 2023-10-23 東芝エレベータ株式会社 踏段チェーンの伸び検出装置
JP2024087277A (ja) * 2022-12-19 2024-07-01 東芝エレベータ株式会社 踏段チェーンの伸び検出装置

Also Published As

Publication number Publication date
JP2007127581A (ja) 2007-05-24
CN101316775A (zh) 2008-12-03

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