JP2021008799A - Identification system for person at production site - Google Patents

Identification system for person at production site Download PDF

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JP2021008799A
JP2021008799A JP2019134926A JP2019134926A JP2021008799A JP 2021008799 A JP2021008799 A JP 2021008799A JP 2019134926 A JP2019134926 A JP 2019134926A JP 2019134926 A JP2019134926 A JP 2019134926A JP 2021008799 A JP2021008799 A JP 2021008799A
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chamber
rod
elevating
slide
groove
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JP6627033B1 (en
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呉瓊
Qiong Wu
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Weifang Yubei Stationery Co Ltd
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Weifang Yubei Stationery Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/70Sills; Thresholds
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B11/00Means for allowing passage through fences, barriers or the like, e.g. stiles
    • E06B11/02Gates; Doors
    • E06B11/022Gates; Doors characterised by the manner of movement
    • E06B11/023Gates; Doors characterised by the manner of movement where the gate opens within the plane of the gate
    • E06B11/025Gates; Doors characterised by the manner of movement where the gate opens within the plane of the gate vertically
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/28Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/70Sills; Thresholds
    • E06B2001/707Thresholds with special provision for insulation

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Collating Specific Patterns (AREA)
  • Image Input (AREA)
  • Lock And Its Accessories (AREA)

Abstract

To disclose an identification system for persons at a production site.SOLUTION: An identification system of this invention includes a threshold. In this system, the configuration for a ratchet gear and ratchet pawl is further improved and modified. The ratchet gear and the ratchet pawl are placed in a cam and a belt tub and synchronous rotation in a single direction is enabled together with a power axis. This makes different instruments on the same axis possible to work at the same time without interference. There are two authentication types, fingerprint authentication and portrait authentication, which can be selected arbitrarily. This eliminates inconvenience for collecting fingerprints for certain persons. In addition, different blocking structures are set at the upper and lower sections of the system so that the entry of persons who do not belong to the production site can effectively be blocked. By enhancing management using computerization and digitization, security for a production site is secured.SELECTED DRAWING: Figure 1

Description

本発明は身分認証技術分野を取り上げて、具体的には生産現場における人員の身分認証システムである。 The present invention takes up the field of identification technology, and specifically is an identification system for personnel at a production site.

大型工事現場の中で、生産現場に入る人員に対する情報化管理とデジタル化管理とを便利にさせるため、また、各自の財産安全を守るために、身分認証を行う必要がある。従来の認証方式はセキュリティドアを設置し、指紋と面部の情報を採取して認証を行う。しかし、長期の体力労働で、一部の人員の指紋がひどく磨損したため、快速に採取されることができなく、また、工事現場で埃が立っており、長時間空気に晒されたカメラもひどく磨損し、認証効率に影響を与え、労働者の勤務時間を無駄にし、本発明は上記の問題を解決できる装置を開示した。 In a large-scale construction site, it is necessary to authenticate the identity in order to make the computerization management and digitization management for the personnel who enter the production site convenient, and to protect the property safety of each person. In the conventional authentication method, a security door is installed and fingerprint and face information are collected for authentication. However, due to long-term physical labor, the fingerprints of some personnel were severely worn, so it was not possible to collect them quickly, and there was dust on the construction site, and the cameras that were exposed to the air for a long time were also badly worn. The present invention discloses a device that can solve the above problems by polishing, affecting the authentication efficiency, and wasting the working hours of workers.

中国特許出願公開第109874171号明細書Chinese Patent Application Publication No. 109874171

技術問題:
単一の写真認証又は指紋認証の方式は指紋が磨損した人と保護マスクをつけている人にとって不便であり、身分認証の効率が大いに下がる。
Technical problem:
A single photo or fingerprint method is inconvenient for those who have worn fingerprints and those who wear protective masks, which greatly reduces the efficiency of identity verification.

上記の問題を解決するために、本発明は生産現場における人員の身分認証システムを設計し、本発明の生産現場における人員の身分認証システムは、敷居を含み、前記敷居の中には上方へ開口した収納チャンバが設置され、前記収納チャンバの上端には左右対称のドア枠が設置され、前記ドア枠の中には前記収納チャンバと連通するように連結された昇降チャンバが設置され、前記昇降チャンバのうち対称中心に近接している側の内壁には滑道が連通するように設置され、前記滑道の中には駆動装置がスライドできるように連結され、前記駆動装置が前記滑道とスライドできるように連結されたスライダと、前記スライダに回転できるように連結された伝動軸とにより動力を伝達でき、前記伝動軸には鑑定リングが回転できるように連結され、前記鑑定リングの中には伝動チャンバが設置され、前記伝動チャンバの外円端面には識別器具が設置され、前記識別器具が人の写真を撮れるカメラと指紋を採取できる指紋採取器とにより身分認証を実現でき、前記伝動軸には前記伝動チャンバの中に位置している片方向伝動を実現できる切換装置が設置され、前記伝動軸には左端の前記昇降チャンバの中に位置しているベルト桶が回転できるように連結され、前記ベルト桶の中には軸継手装置が設置され、前記昇降チャンバの頂端内壁には人員が敷居をまたがることを制限できる阻み装置が設置され、前記阻み装置は、前記昇降チャンバの頂端内壁と回転できるように連結された固定軸と、前記固定軸の下端に設置されたリールと、前記リールに巻きつき、且つもう一端が前記スライダと固定的に連結された引きひもとにより同期に開閉することを実現でき、前記収納チャンバの中にはネジロッドが回転できるように連結され、前記ネジロッドには人員が現場に入ることを防止できるコンロッド装置が設置され、左側の前記昇降チャンバの中には前記ベルト桶の動力を前記ネジロッドに伝達できるテンション部品が設置されている。 In order to solve the above problems, the present invention designs an identification system for personnel at a production site, and the identification system for personnel at a production site of the present invention includes a threshold and opens upward in the threshold. The storage chamber is installed, a symmetrical door frame is installed at the upper end of the storage chamber, and an elevating chamber connected so as to communicate with the storage chamber is installed in the door frame. The inner wall on the side close to the center of symmetry is installed so that the runway communicates with each other, and the drive device is connected to the runway so that the drive device can slide, and the drive device slides with the runway. Power can be transmitted by a slider connected so as to be able to rotate and a transmission shaft connected so as to be able to rotate to the slider, and the transmission shaft is connected so that the appraisal ring can rotate. A transmission chamber is installed, and an identification device is installed on the outer circular end surface of the transmission chamber. The identification device can realize identification by a camera capable of taking a picture of a person and a fingerprint collector capable of collecting fingerprints, and the transmission shaft can be realized. A switching device capable of realizing one-way transmission located in the transmission chamber is installed in the transmission shaft, and a belt tub located in the elevating chamber at the left end is connected to the transmission shaft so as to rotate. A shaft joint device is installed in the belt tub, a blocking device capable of restricting personnel from straddling the threshold is installed on the inner wall of the apex of the elevating chamber, and the blocking device is attached to the inner wall of the apex of the elevating chamber. A fixed shaft connected so as to rotate, a reel installed at the lower end of the fixed shaft, and a pull string wound around the reel and fixedly connected to the slider at the other end open and close synchronously. This can be realized, a screw rod is connected so as to be rotatable in the storage chamber, a conrod device capable of preventing personnel from entering the site is installed in the screw rod, and the elevating chamber on the left side is described as described above. Tension parts that can transmit the power of the belt tub to the screw rod are installed.

前記駆動装置は前記伝動軸と動力が伝達できるように連結されたモータを含み、前記モータが右側の前記昇降チャンバとスライドできるように連結され、前記伝動軸には左側の前記昇降チャンバの中に位置している回しロッドが設置されている。 The drive device includes a motor connected to the transmission shaft so that power can be transmitted, the motor is connected so as to slide with the elevating chamber on the right side, and the transmission shaft is connected to the elevating chamber on the left side. A located turning rod is installed.

前記識別器具は前記伝動チャンバの上端端面に設置された昇降ロッドを含み、前記昇降ロッドの前側内壁には凹溝が連通するように形成され、前記凹溝の中には前記昇降ロッドを密封できる遮り板がスライドできるように連結され、前記凹溝と前記伝動チャンバとの間にはスライドチャンバが連通するように設置され、前記スライドチャンバの中には前記遮り板と固定的に連結された連結ロッドがスライドできるように連結され、前記昇降ロッドの底端内壁には前記カメラと固定的に連結された収納溝がスライドできるように連結され、前記収納溝の下端には前記伝動チャンバの中に位置している当接板が設置され、前記当接板と前記伝動チャンバとの間には圧縮ばねが連結され、前記伝動チャンバの前側端面には前方へ開口した認証溝が形成され、前記指紋採取器と前記認証溝の底端内壁とが固定的に連結された。 The identification device includes an elevating rod installed on the upper end surface of the transmission chamber, the elevating rod is formed so as to communicate with a concave groove on the front inner wall of the elevating rod, and the elevating rod can be sealed in the concave groove. The shield plate is connected so as to be slidable, the slide chamber is installed so as to communicate between the concave groove and the transmission chamber, and the slide chamber is fixedly connected to the shield plate. The rods are connected so that they can slide, and the storage groove fixedly connected to the camera is connected to the inner wall of the bottom end of the elevating rod so that it can slide, and the lower end of the storage groove is in the transmission chamber. A positioned contact plate is installed, a compression spring is connected between the contact plate and the transmission chamber, and an authentication groove opened forward is formed on the front end surface of the transmission chamber, and the fingerprint is formed. The sampler and the inner wall at the bottom end of the certification groove were fixedly connected.

前記切換装置は前記伝動チャンバにスライドできるように連結された支持ロッドを含み、前記支持ロッドにはカムが設置され、前記カムの中には軸継手チャンバが設置され、前記軸継手チャンバの内壁には中心対称の四つのラチェット歯止めが固定的に連結され、前記伝動軸には前記軸継手チャンバの中に位置している回転盤が設置され、前記回転盤の中には前記ラチェット歯止めと当接できる四つの伸縮ロッドがスライドできるように連結され、前記伸縮ロッドと前記回転盤との間には抵抗力ばねが連結され、前記カムの前側端面には前記連結ロッドと固定的に連結された回転ロッドが設置された。 The switching device includes a support rod connected so as to be slidable to the transmission chamber, a cam is installed in the support rod, a shaft joint chamber is installed in the cam, and the inner wall of the shaft joint chamber is installed. Four centrally symmetric ratchet pawls are fixedly connected, a turntable located in the shaft joint chamber is installed on the transmission shaft, and the ratchet pawl is in contact with the turntable. The four telescopic rods that can be made are connected so that they can slide, a resistance spring is connected between the telescopic rod and the turntable, and a rotation fixedly connected to the connecting rod is connected to the front end surface of the cam. The rod was installed.

前記軸継手装置は前記ベルト桶のインナリングに連通するように設置された隠れ溝が形成され、前記隠れ溝の中には前記回しロッドと当接できる引っ掛かりロッドが回転できるように連結され、前記引っ掛かりロッドと前記隠れ溝との間には緩衝ばねが連結された。 The shaft joint device is formed with a hidden groove installed so as to communicate with the inner ring of the belt tub, and a hook rod that can come into contact with the turning rod is connected in the hidden groove so as to be rotatable. A cushioning spring was connected between the hook rod and the hidden groove.

前記阻み装置は前記リールに設置された遮りロッドを含み、前記昇降チャンバの後側内壁には前記遮りロッドとスライドできるように連結された折り畳み溝が連通するように形成され、前記リールの上側と前記昇降チャンバの頂端内壁との間には捻りばねが連結された。 The blocking device includes a blocking rod installed on the reel, and a folding groove connected to the blocking rod so as to be slidable is formed on the rear inner wall of the elevating chamber so as to communicate with the upper side of the reel. A torsion spring was connected to the inner wall of the apex of the elevating chamber.

前記コンロッド装置は前記ネジロッドとネジ山により連結された左右対称のスライドレールを含み、前記スライドレールの上端にはスライドロッドがスライドできるように連結され、前記スライドロッドにはヒンジ連結ロッドがヒンジにより連結され、前記ヒンジ連結ロッドの下端末端が前記滑道の内壁と回転できるように連結され、前記ヒンジ連結ロッドの上端末端が前記スライダとヒンジにより連結された。 The control rod device includes a symmetrical slide rail connected to the screw rod by a screw thread, and is connected to the upper end of the slide rail so that the slide rod can slide, and a hinge connecting rod is connected to the slide rod by a hinge. The lower end of the hinge connecting rod was rotatably connected to the inner wall of the runway, and the upper end of the hinge connecting rod was connected to the slider by a hinge.

前記テンション部品は前記ネジロッドに設置されたプーリを含み、左側の前記昇降チャンバの左端内壁にはスライド溝が連通するように形成され、前記スライド溝の中には移動ブロックがスライドできるように連結され、前記移動ブロックと前記スライド溝との間には引っ張りばねが連結され、前記移動ブロックには旋転軸が回転できるように連結され、前記旋転軸にはテンションプーリが設置され、前記テンションプーリと前記ベルト桶と前記プーリとの間にはベルトが連結された。 The tension component includes a pulley installed on the screw rod, a slide groove is formed so as to communicate with the inner wall of the left end of the elevating chamber on the left side, and a moving block is connected so as to be slidable in the slide groove. A tension spring is connected between the moving block and the slide groove, and the moving block is connected so that the rotating shaft can rotate. A tension pulley is installed on the rotating shaft, and the tension pulley and the said A belt was connected between the belt tub and the pulley.

本発明の有益効果は:本発明はラチェットギヤとラチェット歯止めの構成を更に改善して転化し、ラチェットギヤとラチェット歯止めをカムとベルト桶の中に置き、動力軸に連れて片方向だけ同期回転することを実現し、これにより同じ軸にある異なる設備が作動中で互いに干渉しなく、認証方式として、指紋認証と人の写真認証という二つの認証方式があり、任意に選べ、一部の人員の採取不便の状況を避け、同時に上下に異なる阻み構成を設置し、該生産現場に属しない人員が入ることを有効的に阻止でき、情報化とディジタル化の管理を強め、生産現場の安全を保障する。 The beneficial effect of the present invention is: The present invention further improves and converts the configuration of the ratchet gear and the ratchet pawl, places the ratchet gear and the ratchet pawl in the cam and belt tub, and rotates synchronously in only one direction along the power shaft. By doing so, different equipment on the same axis is operating and does not interfere with each other, and there are two authentication methods, fingerprint authentication and human photo authentication, which can be selected arbitrarily and some personnel. By avoiding the inconvenience of collecting ratchets and installing different blocking configurations on the top and bottom at the same time, it is possible to effectively prevent the entry of personnel who do not belong to the production site, strengthen the management of computerization and digitization, and improve the safety of the production site. Guarantee.

下記に図1〜4をあわせて本発明について詳しく説明し、便利に説明するために、下記の方向を以下のように規定する:図1は本発明装置の正面図であり、以下に述べる上下左右前後の方向と図1の自身投影関係の上下左右前後の方向とが一致である。 In order to explain the present invention in detail with reference to FIGS. 1 to 4 below and to explain the present invention in a convenient manner, the following directions are defined as follows: FIG. 1 is a front view of the apparatus of the present invention, and is described above and below. The left-right front-back direction and the up-down, left-right front-back direction of the self-projection relationship in FIG. 1 are the same.

図1は本発明の生産現場における人員の身分認証システムの全体構成模式図FIG. 1 is a schematic diagram of the overall configuration of the personnel identification system at the production site of the present invention. 図2は図1の「A―A」方向の構成模式図FIG. 2 is a schematic configuration diagram in the “AA” direction of FIG. 図3は図1の「B―B」方向の構成模式図FIG. 3 is a schematic configuration diagram in the “BB” direction of FIG. 図4は図1の「C―C」方向の構成模式図FIG. 4 is a schematic configuration diagram in the “CC” direction of FIG.

本発明は生産現場における人員の身分認証システムに関わり、生産現場に入る人員の身分認証の過程に応用され、以下は本発明の付図を交えて本発明について更に説明する: The present invention relates to an identification system for personnel at a production site and is applied to the process of identification of personnel entering a production site. The present invention will be further described below with reference to the drawings of the present invention:

本発明の生産現場における人員の身分認証システムは、敷居42を含み、前記敷居42の中には上方へ開口した収納チャンバ43が設置され、前記収納チャンバ43の上端には左右対称のドア枠11が設置され、前記ドア枠11の中には前記収納チャンバ43と連通するように連結された昇降チャンバ12が設置され、前記昇降チャンバ12のうち対称中心に近接している側の内壁には滑道22が連通するように設置され、前記滑道22の中には駆動装置901がスライドできるように連結され、前記駆動装置901が前記滑道22とスライドできるように連結されたスライダ14と、前記スライダ14に回転できるように連結された伝動軸15とにより動力を伝達でき、前記伝動軸15には鑑定リング23が回転できるように連結され、前記鑑定リング23の中には伝動チャンバ24が設置され、前記伝動チャンバ24の外円端面には識別器具902が設置され、前記識別器具902が人の写真を撮れるカメラ26と指紋を採取できる指紋採取器51とにより身分認証を実現でき、前記伝動軸15には前記伝動チャンバ24の中に位置している片方向伝動を実現できる切換装置903が設置され、前記伝動軸15には左端の前記昇降チャンバ12の中に位置しているベルト桶33が回転できるように連結され、前記ベルト桶33の中には軸継手装置904が設置され、前記昇降チャンバ12の頂端内壁には人員が敷居をまたがることを制限できる阻み装置905が設置され、前記阻み装置905は、前記昇降チャンバ12の頂端内壁と回転できるように連結された固定軸19と、前記固定軸19の下端に設置されたリール18と、前記リール18に巻きつき、且つもう一端が前記スライダ14と固定的に連結された引きひも17とにより同期に開閉することを実現でき、前記収納チャンバ43の中にはネジロッド44が回転できるように連結され、前記ネジロッド44には人員が現場に入ることを防止できるコンロッド装置906が設置され、左側の前記昇降チャンバ12の中には前記ベルト桶33の動力を前記ネジロッド44に伝達できるテンション部品907が設置されている。 The personnel identification system at the production site of the present invention includes a threshold 42, a storage chamber 43 opened upward is installed in the threshold 42, and a symmetrical door frame 11 is installed at the upper end of the storage chamber 43. Is installed, and an elevating chamber 12 connected so as to communicate with the storage chamber 43 is installed in the door frame 11, and slides on the inner wall of the elevating chamber 12 on the side close to the center of symmetry. A slider 14 is installed so as to communicate with the road 22, a drive device 901 is slidably connected to the runway 22, and the drive device 901 is slidably connected to the runway 22. Power can be transmitted by a transmission shaft 15 connected to the slider 14 so as to be rotatable, an appraisal ring 23 is connected to the transmission shaft 15 so as to be rotatable, and a transmission chamber 24 is contained in the appraisal ring 23. An identification device 902 is installed on the outer circular end surface of the transmission chamber 24, and the identification device 902 can realize identification by a camera 26 capable of taking a picture of a person and a fingerprint collector 51 capable of collecting fingerprints. A switching device 903 capable of realizing one-way transmission located in the transmission chamber 24 is installed on the transmission shaft 15, and a belt tub located in the elevating chamber 12 at the left end of the transmission shaft 15 is installed. 33 are connected so as to be rotatable, a shaft joint device 904 is installed in the belt tub 33, and a blocking device 905 capable of restricting personnel from straddling the threshold is installed on the inner wall of the apex of the elevating chamber 12. The blocking device 905 has a fixed shaft 19 rotatably connected to the inner wall of the top end of the elevating chamber 12, a reel 18 installed at the lower end of the fixed shaft 19, and another end wound around the reel 18. Can be opened and closed synchronously by a pull string 17 fixedly connected to the slider 14, a screw rod 44 is connected to the storage chamber 43 so as to be rotatable, and a person is attached to the screw rod 44. A control rod device 906 capable of preventing entry into the site is installed, and a tension component 907 capable of transmitting the power of the belt tub 33 to the screw rod 44 is installed in the elevating chamber 12 on the left side.

実施例によって、以下は駆動装置901について詳しく説明し、前記駆動装置901は前記伝動軸15と動力が伝達できるように連結されたモータ16を含み、前記モータ16が右側の前記昇降チャンバ12とスライドできるように連結され、前記伝動軸15には左側の前記昇降チャンバ12の中に位置している回しロッド58が設置されている。 According to an embodiment, the drive device 901 will be described in detail below, wherein the drive device 901 includes a motor 16 connected to the transmission shaft 15 so that power can be transmitted, and the motor 16 slides with the elevating chamber 12 on the right side. A turning rod 58, which is connected so as to be able to be used and is located in the elevating chamber 12 on the left side, is installed on the transmission shaft 15.

実施例によって、以下は識別器具902について詳しく説明し、前記識別器具902は前記伝動チャンバ24の上端端面に設置された昇降ロッド27を含み、前記昇降ロッド27の前側内壁には凹溝48が連通するように形成され、前記凹溝48の中には前記昇降ロッド27を密封できる遮り板46がスライドできるように連結され、前記凹溝48と前記伝動チャンバ24との間にはスライドチャンバ45が連通するように設置され、前記スライドチャンバ45の中には前記遮り板46と固定的に連結された連結ロッド47がスライドできるように連結され、前記昇降ロッド27の底端内壁には前記カメラ26と固定的に連結された収納溝25がスライドできるように連結され、前記収納溝25の下端には前記伝動チャンバ24の中に位置している当接板29が設置され、前記当接板29と前記伝動チャンバ24との間には圧縮ばね28が連結され、前記伝動チャンバ24の前側端面には前方へ開口した認証溝50が形成され、前記指紋採取器51と前記認証溝50の底端内壁とが固定的に連結され、前記カメラ26は前記収納溝25が上下にスライドすることで前記昇降ロッド27の中に収縮され、また前記遮り板46により密封保存される。 According to an embodiment, the identification device 902 will be described in detail below. The identification device 902 includes an elevating rod 27 installed on the upper end surface of the transmission chamber 24, and a concave groove 48 communicates with the front inner wall of the elevating rod 27. A shielding plate 46 capable of sealing the elevating rod 27 is connected so as to be slidable in the concave groove 48, and a slide chamber 45 is provided between the concave groove 48 and the transmission chamber 24. A connecting rod 47 which is installed so as to communicate with each other and is fixedly connected to the shielding plate 46 is connected to the slide chamber 45 so as to be slidable, and the camera 26 is attached to the inner wall of the bottom end of the elevating rod 27. The storage groove 25 fixedly connected to the above is connected so as to be slidable, and a contact plate 29 located in the transmission chamber 24 is installed at the lower end of the storage groove 25, and the contact plate 29 is installed. A compression spring 28 is connected between the transmission chamber 24 and the transmission chamber 24, and an authentication groove 50 opened forward is formed on the front end surface of the transmission chamber 24, and the fingerprint collector 51 and the bottom end of the authentication groove 50 are formed. The camera 26 is fixedly connected to the inner wall, and the camera 26 is contracted into the elevating rod 27 by sliding the storage groove 25 up and down, and is sealed and stored by the shielding plate 46.

実施例によって、以下は切換装置903について詳しく説明し、前記切換装置903は前記伝動チャンバ24にスライドできるように連結された支持ロッド32を含み、前記支持ロッド32にはカム31が設置され、前記カム31の中には軸継手チャンバ56が設置され、前記軸継手チャンバ56の内壁には中心対称の四つのラチェット歯止め55が固定的に連結され、前記伝動軸15には前記軸継手チャンバ56の中に位置している回転盤54が設置され、前記回転盤54の中には前記ラチェット歯止め55と当接できる四つの伸縮ロッド52がスライドできるように連結され、前記伸縮ロッド52と前記回転盤54との間には抵抗力ばね53が連結され、前記カム31の前側端面には前記連結ロッド47と固定的に連結された回転ロッド49が設置され、前記カム31の回転は自体と前記当接板29との接触点の変化及び前記回転ロッド49で前記認証器具902を切り替える。 According to an embodiment, the switching device 903 will be described in detail below, wherein the switching device 903 includes a support rod 32 connected so as to be slidable to the transmission chamber 24, and a cam 31 is installed on the support rod 32. A shaft joint chamber 56 is installed in the cam 31, four centrally symmetrical ratchet pawls 55 are fixedly connected to the inner wall of the shaft joint chamber 56, and the transmission shaft 15 is connected to the shaft joint chamber 56. A turntable 54 located inside is installed, and four telescopic rods 52 that can come into contact with the ratchet pawl 55 are connected so as to be slidable in the turntable 54, and the telescopic rod 52 and the turntable are connected. A resistance spring 53 is connected to the 54, and a rotary rod 49 fixedly connected to the connecting rod 47 is installed on the front end surface of the cam 31, and the rotation of the cam 31 itself and the ratchet. The change of the contact point with the contact plate 29 and the rotation rod 49 switch the certification device 902.

実施例によって、以下は軸継手装置904について詳しく説明し、前記軸継手装置904は前記ベルト桶33のインナリングに連通するように設置された隠れ溝59が形成され、前記隠れ溝59の中には前記回しロッド58と当接できる引っ掛かりロッド62が回転できるように連結され、前記引っ掛かりロッド62と前記隠れ溝59との間には緩衝ばね60が連結され、前記隠れ溝59の内壁が前記引っ掛かりロッド62を制限することによって、前記伝動軸15が前記ベルト桶33を連動させて片方向のみに回転させることができる。 According to the embodiment, the shaft joint device 904 will be described in detail below, and the shaft joint device 904 is formed with a hidden groove 59 installed so as to communicate with the inner ring of the belt tub 33, and the hidden groove 59 is formed in the hidden groove 59. Is connected so that the hooking rod 62 that can come into contact with the turning rod 58 can rotate, a buffer spring 60 is connected between the hooking rod 62 and the hidden groove 59, and the inner wall of the hidden groove 59 is hooked. By limiting the rod 62, the transmission shaft 15 can be rotated in only one direction in conjunction with the belt tub 33.

実施例によって、以下は阻み装置905について詳しく説明し、前記阻み装置905は前記リール18に設置された遮りロッド21を含み、前記昇降チャンバ12の後側内壁には前記遮りロッド21とスライドできるように連結された折り畳み溝63が連通するように形成され、前記リール18の上側と前記昇降チャンバ12の頂端内壁との間には捻りばね20が連結され、前記捻りばね20の弾性変形で、リール18を回転させ、且つ遮りロッド21を回転させる。 According to an embodiment, the blocking device 905 will be described in detail below, and the blocking device 905 includes a blocking rod 21 installed on the reel 18 so as to be slidable with the blocking rod 21 on the rear inner wall of the elevating chamber 12. A folding groove 63 connected to the reel 18 is formed so as to communicate with each other, and a torsion spring 20 is connected between the upper side of the reel 18 and the inner wall of the top end of the elevating chamber 12, and the reel is elastically deformed by the torsion spring 20. 18 is rotated and the blocking rod 21 is rotated.

実施例によって、以下はコンロッド装置906について詳しく説明し、前記コンロッド装置906は前記ネジロッド44とネジ山により連結された左右対称のスライドレール41を含み、前記スライドレール41の上端にはスライドロッド40がスライドできるように連結され、前記スライドロッド40にはヒンジ連結ロッド13がヒンジにより連結され、前記ヒンジ連結ロッド13の下端末端が前記滑道22の内壁と回転できるように連結され、前記ヒンジ連結ロッド13の上端末端が前記スライダ14とヒンジにより連結され、これにより前記スライダ14を押し動かして上下に移動させる。 According to an embodiment, the connecting rod device 906 will be described in detail below. The connecting rod device 906 includes a symmetrical slide rail 41 connected to the screw rod 44 by a screw thread, and a slide rod 40 is provided at the upper end of the slide rail 41. A hinge connecting rod 13 is connected to the slide rod 40 so as to be slidable, and a lower end end of the hinge connecting rod 13 is connected to the slide rod 40 so as to be rotatable with the inner wall of the runway 22. The upper end of the 13 is connected to the slider 14 by a hinge, which pushes and moves the slider 14 up and down.

実施例によって、以下はテンション部品907について詳しく説明し、前記テンション部品907は前記ネジロッド44に設置されたプーリ39を含み、左側の前記昇降チャンバ12の左端内壁にはスライド溝35が連通するように形成され、前記スライド溝35の中には移動ブロック37がスライドできるように連結され、前記移動ブロック37と前記スライド溝35との間には引っ張りばね61が連結され、前記移動ブロック37には旋転軸36が回転できるように連結され、前記旋転軸36にはテンションプーリ34が設置され、前記テンションプーリ34と前記ベルト桶33と前記プーリ39との間にはベルト38が連結され、前記ベルト38が前記移動ブロック37に前記スライド溝35の中でスライドさせることで前記テンションプーリ34の位置を調整し、前記ベルト桶33が上方へ移動する過程において前記ベルト38がずっと締まっている状態にあることを保障する。 According to an embodiment, the tension component 907 will be described in detail below so that the tension component 907 includes a pulley 39 installed on the screw rod 44 and a slide groove 35 communicates with the left end inner wall of the elevating chamber 12 on the left side. The moving block 37 is formed so as to be slidable in the slide groove 35, a tension spring 61 is connected between the moving block 37 and the slide groove 35, and the moving block 37 is rotated. The shaft 36 is connected so as to be rotatable, a tension pulley 34 is installed on the rotating shaft 36, a belt 38 is connected between the tension pulley 34, the belt tub 33, and the pulley 39, and the belt 38 is connected. Adjusts the position of the tension pulley 34 by sliding it on the moving block 37 in the slide groove 35, and the belt 38 is in a state of being tightened all the time in the process of moving the belt tub 33 upward. Guarantee.

以下は図1〜4を交えて本文の生産現場における人員の身分認証システムの使用ステップについて詳しく説明し: The following details the steps for using the personnel identification system at the production site in the main text with reference to Figures 1 to 4.

指紋を認証する時、指が指紋採取器51に押し、認証に成功した後、モータ16が起動して伝動軸15を後方へ回転させ、この時、伝動軸15が回しロッド58により引っ掛かりロッド62を回し、引っ掛かりロッド62が隠れ溝59の内壁の制限でベルト桶33を連動させて同期回転させ、ベルト桶33がベルト38によりプーリ39を回転させ、更にネジロッド44を同期回転させ、ネジロッド44がネジ山による伝動でスライドレール41を対称中心から離れている側へスライドさせ、またスライドロッド40によりヒンジ連結ロッド13を押し動かし、ヒンジ連結ロッド13の下端のヒンジにより連結されたところが固定されているため、スライダ14が押し動かされて上方へ移動し、この時に引きひも17が緩み、捻りばね20のばねの弾性復元力でリール18を連動させて後方へ回転させ、また遮りロッド21を折り畳み溝63の中にスライドさせ、スライドレール41がドア枠11と当接するまで移動し、この時、ヒンジ連結ロッド13がスライダ14を押し動かして滑道22の上端のところに位置させ、人がドア枠11の間の隙間を通過でき、そしてモータ16を止め、伝動軸15の構成とモータ16の重量により下方へ移動する。 When authenticating a fingerprint, a finger pushes it against the fingerprint collector 51, and after successful authentication, the motor 16 is activated to rotate the transmission shaft 15 backward. At this time, the transmission shaft 15 is caught by the rotating rod 58 and the rod 62. The hooking rod 62 interlocks and rotates the belt tub 33 in conjunction with the limitation of the inner wall of the hidden groove 59, the belt tub 33 rotates the pulley 39 by the belt 38, and the screw rod 44 is further rotated synchronously, and the screw rod 44 The slide rail 41 is slid to the side away from the center of symmetry by the transmission by the screw thread, the hinge connecting rod 13 is pushed and moved by the slide rod 40, and the place connected by the hinge at the lower end of the hinge connecting rod 13 is fixed. Therefore, the slider 14 is pushed and moved upward, and at this time, the pull string 17 is loosened, the reel 18 is interlocked by the elastic restoring force of the spring of the torsion spring 20 to rotate it backward, and the shielding rod 21 is folded into the groove. Slide into 63 and move until the slide rail 41 comes into contact with the door frame 11, at which time the hinge connecting rod 13 pushes and moves the slider 14 to position it at the top of the runway 22 so that a person can reach the door frame. It can pass through the gap between 11 and stops the motor 16 and moves downward due to the configuration of the transmission shaft 15 and the weight of the motor 16.

指紋採取に失敗した後、モータ16が起動して伝動軸15を前方へ回転させ、この時、伝動軸15が回しロッド58により引っ掛かりロッド62を押し動かして隠れ溝59の中へ回転させ、両者が同期ぜずに回転し、また、伝動軸15が伸縮ロッド52とラチェット歯止め55との当接によりカム31を六十度回転させ、この時に、カム31が順次に回転ロッド49と連結ロッド47とにより遮り板46を引き動かして凹溝48の中までスライドさせ、またカム31が順次に当接板29と収納溝25とを押し動かすことによりカメラ26を昇降ロッド27の外側に辿るまで上方へ移動させ、人の写真を撮って認証を行い、成功した後に、上記の指紋認証が成功した後の手順を踏んで、ドア枠11の間の隙間の阻み構成を解除する。 After the fingerprint collection fails, the motor 16 is activated to rotate the transmission shaft 15 forward. At this time, the transmission shaft 15 is caught by the rotating rod 58 and pushes the rod 62 to rotate it into the hidden groove 59. Rotates out of synchronization, and the transmission shaft 15 rotates the cam 31 by 60 degrees due to the contact between the telescopic rod 52 and the ratchet pawl 55. At this time, the cam 31 sequentially rotates the rotating rod 49 and the connecting rod 47. The shield plate 46 is pulled and slid into the concave groove 48, and the cam 31 sequentially pushes and moves the contact plate 29 and the storage groove 25 to move the camera 26 upward until it traces to the outside of the elevating rod 27. After moving to, taking a picture of a person and performing authentication, and then following the procedure after the above-mentioned fingerprint authentication is successful, the blocking configuration of the gap between the door frames 11 is released.

本発明の有益効果は:本発明はラチェットギヤとラチェット歯止めの構成を更に改善して転化し、ラチェットギヤとラチェット歯止めをカムとベルト桶の中に置き、動力軸に連れて片方向だけ同期回転することを実現し、これにより同じ軸にある異なる設備が作動中で互いに干渉しなく、認証方式として、指紋認証と人の写真認証という二つの認証方式があり、任意に選べ、一部の人員の採取不便の状況を避け、同時に上下に異なる阻み構成を設置し、該生産現場に属しない人員が入ることを有効的に阻止でき、情報化とディジタル化の管理を強め、生産現場の安全を保障する。 The beneficial effect of the present invention is: The present invention further improves and converts the configuration of the ratchet gear and the ratchet pawl, places the ratchet gear and the ratchet pawl in the cam and belt tub, and rotates synchronously in only one direction along the power shaft. By doing so, different equipment on the same axis is operating and does not interfere with each other, and there are two authentication methods, fingerprint authentication and human photo authentication, which can be selected arbitrarily and some personnel. By avoiding the inconvenience of collecting ratchets and installing different blocking configurations on the top and bottom at the same time, it is possible to effectively prevent the entry of personnel who do not belong to the production site, strengthen the management of computerization and digitization, and improve the safety of the production site. Guarantee.

以上の方式により、本分野の技術者が本発明の範囲内に作動モードにより各種な変化をすることができる。 According to the above method, an engineer in this field can make various changes depending on the operation mode within the scope of the present invention.

Claims (8)

正面視で、敷居を含み、前記敷居の中には上方へ開口した収納チャンバが設置され、前記収納チャンバの上端には左右対称のドア枠が設置され、前記ドア枠の中には前記収納チャンバと連通するように連結された昇降チャンバが設置され、前記昇降チャンバのうち対称中心に近接している側の内壁には滑道が連通するように設置され、前記滑道の中には駆動装置がスライドできるように連結され、前記駆動装置が前記滑道とスライドできるように連結されたスライダと、前記スライダに回転できるように連結された伝動軸とにより動力を伝達でき、前記伝動軸には鑑定リングが回転できるように連結され、前記鑑定リングの中には伝動チャンバが設置され、前記伝動チャンバの外円端面には識別器具が設置され、前記識別器具が人の写真を撮れるカメラと指紋を採取できる指紋採取器とにより身分認証を実現でき、前記伝動軸には前記伝動チャンバの中に位置している片方向伝動を実現できる切換装置が設置され、前記伝動軸には左端の前記昇降チャンバの中に位置しているベルト桶が回転できるように連結され、前記ベルト桶の中には軸継手装置が設置され、前記昇降チャンバの頂端内壁には人員が敷居をまたがることを制限できる阻み装置が設置され、前記阻み装置は、前記昇降チャンバの頂端内壁と回転できるように連結された固定軸と、前記固定軸の下端に設置されたリールと、前記リールに巻きつき、且つもう一端が前記スライダと固定的に連結された引きひもとにより同期に開閉することを実現でき、
前記収納チャンバの中にはネジロッドが回転できるように連結され、前記ネジロッドには人員が現場に入ることを防止できるコンロッド装置が設置され、左側の前記昇降チャンバの中には前記ベルト桶の動力を前記ネジロッドに伝達できるテンション部品が設置されていることを特徴とする生産現場における人員の身分認証システム。
When viewed from the front, a storage chamber that includes a threshold and is open upward is installed in the threshold, a symmetrical door frame is installed at the upper end of the storage chamber, and the storage chamber is installed in the door frame. An elevating chamber is installed so as to communicate with the elevating chamber, and a runway is installed on the inner wall of the elevating chamber on the side close to the center of symmetry so as to communicate with the drive device. Power can be transmitted to the transmission shaft by a slider connected so that the drive device can slide with the runway and a transmission shaft connected so as to be able to rotate to the slider. The appraisal ring is connected so that it can rotate, a transmission chamber is installed in the appraisal ring, an identification device is installed on the outer circular end face of the transmission chamber, and the identification device is a camera and a fingerprint that can take a picture of a person. Identification can be realized by a fingerprint collector that can collect data, a switching device that can realize one-way transmission located in the transmission chamber is installed on the transmission shaft, and the leftmost elevating and lowering of the transmission shaft. The belt tubs located in the chamber are rotatably connected, a shaft joint device is installed in the belt tub, and the inner wall of the apex of the elevating chamber is an obstacle that can limit personnel from straddling the threshold. A device is installed, and the blocking device is wound around the fixed shaft, which is rotatably connected to the inner wall of the top end of the elevating chamber, a reel installed at the lower end of the fixed shaft, and the other end. It can be realized to open and close synchronously by the pull string fixedly connected to the slider.
A connecting rod is connected so as to be rotatable in the storage chamber, a connecting rod device capable of preventing personnel from entering the site is installed in the screw rod, and the power of the belt tub is transmitted in the elevating chamber on the left side. An identification system for personnel at a production site, characterized in that tension parts that can be transmitted to the screw rod are installed.
前記駆動装置は前記伝動軸と動力が伝達できるように連結されたモータを含み、前記モータが右側の前記昇降チャンバとスライドできるように連結され、前記伝動軸には左側の前記昇降チャンバの中に位置している回しロッドが設置されていることを特徴とする請求項1に記載の生産現場における人員の身分認証システム。 The drive device includes a motor connected to the transmission shaft so that power can be transmitted, the motor is connected so as to slide with the elevating chamber on the right side, and the transmission shaft is connected to the elevating chamber on the left side. The identification system for personnel at a production site according to claim 1, wherein a located turning rod is installed. 前記識別器具は前記伝動チャンバの上端端面に設置された昇降ロッドを含み、前記昇降ロッドの前側内壁には凹溝が連通するように形成され、前記凹溝の中には前記昇降ロッドを密封できる遮り板がスライドできるように連結され、前記凹溝と前記伝動チャンバとの間にはスライドチャンバが連通するように設置され、前記スライドチャンバの中には前記遮り板と固定的に連結された連結ロッドがスライドできるように連結され、前記昇降ロッドの底端内壁には前記カメラと固定的に連結された収納溝がスライドできるように連結され、前記収納溝の下端には前記伝動チャンバの中に位置している当接板が設置され、前記当接板と前記伝動チャンバとの間には圧縮ばねが連結され、前記伝動チャンバの前側端面には前方へ開口した認証溝が形成され、前記指紋採取器と前記認証溝の底端内壁とが固定的に連結されたことを特徴とする請求項1に記載の生産現場における人員の身分認証システム。 The identification device includes an elevating rod installed on the upper end surface of the transmission chamber, the elevating rod is formed so as to communicate with a concave groove on the front inner wall of the elevating rod, and the elevating rod can be sealed in the concave groove. The shield plate is connected so as to be slidable, the slide chamber is installed so as to communicate between the concave groove and the transmission chamber, and the slide chamber is fixedly connected to the shield plate. The rods are connected so that they can slide, and the storage groove fixedly connected to the camera is connected to the inner wall of the bottom end of the elevating rod so that it can slide, and the lower end of the storage groove is in the transmission chamber. A positioned contact plate is installed, a compression spring is connected between the contact plate and the transmission chamber, an authentication groove open forward is formed on the front end surface of the transmission chamber, and the fingerprint is formed. The identification system for personnel at a production site according to claim 1, wherein the sampling device and the inner wall at the bottom end of the authentication groove are fixedly connected. 前記切換装置は前記伝動チャンバにスライドできるように連結された支持ロッドを含み、前記支持ロッドにはカムが設置され、前記カムの中には軸継手チャンバが設置され、前記軸継手チャンバの内壁には中心対称の四つのラチェット歯止めが固定的に連結され、前記伝動軸には前記軸継手チャンバの中に位置している回転盤が設置され、前記回転盤の中には前記ラチェット歯止めと当接できる四つの伸縮ロッドがスライドできるように連結され、前記伸縮ロッドと前記回転盤との間には抵抗力ばねが連結され、前記カムの前側端面には前記連結ロッドと固定的に連結された回転ロッドが設置されたことを特徴とする請求項3に記載の生産現場における人員の身分認証システム。 The switching device includes a support rod connected so as to be slidable to the transmission chamber, a cam is installed in the support rod, a shaft joint chamber is installed in the cam, and the inner wall of the shaft joint chamber is installed. Four centrally symmetric ratchet pawls are fixedly connected, a turntable located in the shaft joint chamber is installed on the transmission shaft, and the ratchet pawl is in contact with the turntable. The four telescopic rods that can be made are connected so that they can slide, a resistance spring is connected between the telescopic rod and the turntable, and a rotation fixedly connected to the connecting rod is connected to the front end surface of the cam. The identification system for personnel at a production site according to claim 3, wherein the rod is installed. 前記軸継手装置は前記ベルト桶のインナリングに連通するように設置された隠れ溝が形成され、前記隠れ溝の中には前記回しロッドと当接できる引っ掛かりロッドが回転できるように連結され、前記引っ掛かりロッドと前記隠れ溝との間には緩衝ばねが連結されたことを特徴とする請求項2に記載の生産現場における人員の身分認証システム。 The shaft joint device is formed with a hidden groove installed so as to communicate with the inner ring of the belt tub, and a hook rod that can come into contact with the turning rod is connected in the hidden groove so as to be rotatable. The identification system for personnel at a production site according to claim 2, wherein a cushioning spring is connected between the hook rod and the hidden groove. 前記阻み装置は前記リールに設置された遮りロッドを含み、前記昇降チャンバの後側内壁には前記遮りロッドとスライドできるように連結された折り畳み溝が連通するように形成され、前記リールの上側と前記昇降チャンバの頂端内壁との間には捻りばねが連結されたことを特徴とする請求項1に記載の生産現場における人員の身分認証システム。 The blocking device includes a blocking rod installed on the reel, and a folding groove connected to the blocking rod so as to be slidable is formed on the rear inner wall of the elevating chamber so as to communicate with the upper side of the reel. The identification system for personnel at a production site according to claim 1, wherein a torsion spring is connected to the inner wall at the top end of the elevating chamber. 前記コンロッド装置は前記ネジロッドとネジ山により連結された左右対称のスライドレールを含み、前記スライドレールの上端にはスライドロッドがスライドできるように連結され、前記スライドロッドにはヒンジ連結ロッドがヒンジにより連結され、前記ヒンジ連結ロッドの下端末端が前記滑道の内壁と回転できるように連結され、前記ヒンジ連結ロッドの上端末端が前記スライダとヒンジにより連結されたことを特徴とする請求項1に記載の生産現場における人員の身分認証システム。 The control rod device includes a symmetrical slide rail connected to the screw rod by a screw thread, and is connected to the upper end of the slide rail so that the slide rod can slide, and a hinge connecting rod is connected to the slide rod by a hinge. The first aspect of claim 1, wherein the lower end of the hinge connecting rod is rotatably connected to the inner wall of the runway, and the upper end of the hinge connecting rod is connected to the slider by a hinge. Personnel identification system at the production site. 前記テンション部品は前記ネジロッドに設置されたプーリを含み、左側の前記昇降チャンバの左端内壁にはスライド溝が連通するように形成され、前記スライド溝の中には移動ブロックがスライドできるように連結され、前記移動ブロックと前記スライド溝との間には引っ張りばねが連結され、前記移動ブロックには旋転軸が回転できるように連結され、前記旋転軸にはテンションプーリが設置され、前記テンションプーリと前記ベルト桶と前記プーリとの間にはベルトが連結されたことを特徴とする請求項7に記載の生産現場における人員の身分認証システム。 The tension component includes a pulley installed on the screw rod, a slide groove is formed so as to communicate with the inner wall of the left end of the elevating chamber on the left side, and a moving block is connected so as to be slidable in the slide groove. A tension spring is connected between the moving block and the slide groove, and the moving block is connected so that the rotating shaft can rotate. A tension pulley is installed on the rotating shaft, and the tension pulley and the said The identification system for personnel at a production site according to claim 7, wherein a belt is connected between the belt tub and the pulley.
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