JP2005067746A - Safety device for loading of refuse collecting vehicle - Google Patents

Safety device for loading of refuse collecting vehicle Download PDF

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Publication number
JP2005067746A
JP2005067746A JP2003208198A JP2003208198A JP2005067746A JP 2005067746 A JP2005067746 A JP 2005067746A JP 2003208198 A JP2003208198 A JP 2003208198A JP 2003208198 A JP2003208198 A JP 2003208198A JP 2005067746 A JP2005067746 A JP 2005067746A
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Japan
Prior art keywords
dust
box
refuse
antenna
loading
Prior art date
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Granted
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JP2003208198A
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Japanese (ja)
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JP4344557B2 (en
Inventor
Koichi Makihata
晃一 巻幡
Masao Ueda
雅夫 上田
Takaaki Nakano
貴章 中野
Kenya Ogata
研哉 小形
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Shinmaywa Industries Ltd
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Shin Meiva Industry Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65FGATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F3/00Vehicles particularly adapted for collecting refuse

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuse-Collection Vehicles (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a safety device for loading of a refuse collecting vehicle equipped with a refuse cast-in box arranged so that the operator is not included in a loading device when he is working to cast in the refuse to the refuse cast-in box, capable of securing the safety of the operator by acknowledging existence of the operator precisely and precluding wasteful stops of a refuse push-in device. <P>SOLUTION: The refuse collecting vehicle is equipped with an antenna 30 having a sensing area covering inside the refuse cast-in box 2 and a cast-in hole 4 and is arranged so that an acknowledging tag 31 put on each operator M receives the electric wave from the antenna 30 and transmits the ID number to the antenna 30 using the given electric wave as the power supply. The ID number is read by an acknowledging controller 32 on a loading safety circuit C and discriminated, and the discrimination signal is received by a refuse collection controller 33 on the loading safety circuit C so as to stop the push-in device operating. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、塵芥収集車の塵芥投入箱に作業者が塵芥を投入する際に、その作業者が安全に塵芥積込作業を行なうことができるようにした、塵芥収集車の積込安全装置に関するものである。
【0002】
【従来の技術】
前記塵芥収集車の積込安全装置として、塵芥投入箱の投入口に発光器と受光器とよりなる光電式安全装置を設け、これが作業者の身体を感知して塵芥押込装置の作動を停止し、安全に塵芥投入作業を行なうことができるようにしたものは既に知られている(たとえば、特許文献1参照)。
【0003】
また、塵芥投入箱の投入口に赤外線センサーを設け、投入口に作業者が近づくと、その身体から輻射される赤外線を、前記センサーが検知して、この検知信号に基づいて塵芥押込装置の作動を停止するようにしたものも既に知られている(たとえば、特許文献2参照)。
【0004】
【特許文献1】
実開平1−152905号公報
【特許文献2】
実開平4−29505号公報
【0005】
【発明が解決しようとする課題】
ところが、前記特許文献1および2に記載の積込安全装置のいずれの場合も作業者と塵芥とを正確に判別して認識するのが難しく、押込安全装置の停止頻度が多くなってしまうという問題がある。
【0006】
本発明はかかる実情に鑑みてなされたものであり、塵芥を塵芥投入箱に投入する作業者自身に認識タグを装着してこの認識タグから発信される信号を受信することにより、作業者であることを正確に判別し、その判別信号に基づいて塵芥押込装置の作動を停止できるようにして、前記問題を解決できるようにうにした、新規な塵芥収集車の積込安全装置を提供することを目的とするものである。
【0007】
【課題を解決するための手段】
前記目的達成のため、本請求項1記載の発明は、シヤシフレーム上に搭載される塵芥収容箱の開口後面に、塵芥投入箱を設け、前記塵芥投入箱内に装備した塵芥押込装置により、該塵芥投入箱内に、その後面の投入口から投入された塵芥を塵芥収容箱内に押込むようにした塵芥収集車において、
前記塵芥投入箱に設けられ、該塵芥投入箱内および投入口を検出エリアとして微弱な電波を発信するアンテナと、前記塵埃投入箱内への塵芥の投入作業を行なう作業者に装着され、前記検出エリア内の電波を受信し、その電波を電源として前記アンテナにID番号を送信する認識タグと、前記アンテナで受信したID番号を読み取り、これが登録されたID番号であるかどうかを判別するタグ認識コントローラと、前記タグ認識コントローラからの判別信号を受信すると、前記塵芥押込装置の作動を停止する塵芥収集コントローラと、を含むことを特徴としている。
【0008】
かかる特徴によれば、投入口あるいは塵芥投入箱内に作業者の身体の一部が進入したときは、作業者が装着している認識ダグから送信される電波をアンテナが受信して、認識対象が作業者であることを正確に判別して塵芥押込装置の作動を停止させることができるので、塵芥積込装置への作業者の巻き込みを確実に防止することができ、しかも、認識対象の誤認識に起因する塵芥押込装置の作動停止がないので、塵芥の押込作業能率を大幅に向上させることができる。
【0009】
【発明の実施の形態】
以下、本発明の実施の形態を、添付図面に示した本発明の実施例について説明する。
【0010】
図1は、本発明積込安全装置を装備した塵芥収集車の後部斜視図、図2は、図1の2−2線に沿う断面図、図3は、積込安全装置の制御ブロック図である。
【0011】
図1,2において、走行輪を懸架したシヤシフレームFには塵芥収容箱1が後方にダンプ可能に搭載されており、この塵芥収容箱1の後方開口部に、塵芥投入箱2が枢軸3を以て後方に傾動可能に設けられる。塵芥収容箱1と塵芥投入箱2間には、塵芥投入箱2を後方に傾動させるための傾動シリンダ5が設けられ、この傾動シリンダ5のシリンダバレルの基端が塵芥収容箱1の後端側部に枢支連結6される共にそのシリンダロッドの先端が塵芥投入箱2の側面に枢支連結7されている。
【0012】
前記塵芥投入箱2内には、塵芥押込装置Aが設けられており、この塵芥押込装置Aの作動によって塵芥投入箱2の後面に開口した投入口4から投入された塵芥が塵芥収容箱1内に押し込まれる。
【0013】
前記塵芥押込装置Aは、塵芥投入箱2に前後に揺動可能に軸支11される押込板10と、その下方において塵芥投入箱2に回転可能に軸支21される回転板20とを備えており、押込板10は、その上部と塵芥投入箱2の上部間に連結12,13された揺動シリンダ14により軸支11点回りに前後に揺動可能であり、また前記回転板20は塵芥投入箱2に設けた油圧モータなどの回転駆動装置22により軸支21点回りに図2時計方向(矢印方向)に回転可能である。そして、回転板20の回転に応じて押込板10を揺動させることで、投入口4から投入された塵芥を回転板20で押潰して圧縮したのち、その回転板20により持ち上げた塵芥を、押込板10の前方揺動により塵芥収容箱1内に押し込むことができる。
【0014】
また、塵芥投入箱2内に押し込められた塵芥を排出するには、傾動シリンダ5の伸長作動により塵芥投入箱2を枢軸3回りに後方に傾動したのち、塵芥収容箱1を図示しないダンプシリンダにより後方にダンプすることにより、塵芥収容箱1内の塵芥を排出することができる。
【0015】
なお、塵芥押込装置Aは、従来公知の構造のものであるので、その詳細な説明を省略する。
【0016】
前記揺動シリンダ14の前方において、塵芥投入箱2内の上部には仕切板16が固定されており、この仕切板16は、塵芥収容箱1内に押し込まれた塵芥が揺動シリンダ14側に押し戻されないようにしている。
【0017】
前記塵芥投入箱2には、そこへ塵芥を投入する作業者M自身が身に付ける認識タグと協働して、作業者Mの安全を確保する、本発明にかかる積込安全装置が設けられる。
【0018】
以下、主に図1,3を参照して前記積込安全装置の構成について説明すると、塵芥投入箱2内の後部左右には、投入口4の左右両側縁に近接して一対のアンテナ30が対称的に配設され、これらのアンテナ20の認識エリアは、塵芥投入箱2内、投入口4およびその近傍である。一方、投入口4を通して塵芥投入箱2内への塵芥の投入作業を行なう作業者Mの腕などに認識タグ31を装着する。そして、前記アンテナ30の認識エリア内にその認識タグ31が進入したとき、この認識タグ31は、アンテナ30から発信する微弱な電波を受信したのち、この電波を電源としてそこに記憶されているID番号をアンテナ30に送信することができる。
【0019】
前記アンテナ30にて受信したID番号は、塵芥投入箱2の適所に設けられる安全制御回路Cへと送信される。安全制御回路Cは、タグ認識コントローラ32と塵埃収集コントローラ33とを備えており、タグ認識コントローラ32は、前記アンテナ30からのID番号を読み取り、そのID番号が、登録されているID番号であるかどうかを判別し、登録番号であれば、その登録信号を塵芥収集コントローラ33へと送信する。塵芥収集コントローラ33は、タグ認識コントローラ32からの信号を受け取ると、この信号を前記塵芥押込装置Aの作動制御部34に出力し、該装置Aを停止制御する。
【0020】
以上のように、作業者Mの身体の一部が、投入口4もしくは塵芥投入箱2内に進入したときは、それが作業者Mであることを直ちに正確に判別して塵芥押込装置Aの作動を停止することができて作業の安全を確保することができ、人と塵芥とを誤判別する心配(前記文献1および2のもの)がなく、塵芥押込装置Aを無駄に作動停止させることがない。
【0021】
以上、本発明の実施例について説明したが、本発明はその実施例に限定されることなく、本発明の範囲内で種々の実施例が可能である。
【0022】
たとえば、前記実施例では、塵芥投入箱2に一対のアンテナを設けた場合を説明したが、これを1つあるいは3つ以上設けてもよい。
【0023】
【発明の効果】
以上のように、本請求項1記載の発明によれば、投入口あるいは塵芥投入箱内に作業者が進入したときは、作業者が装着している認識ダグから送信される電波をアンテナが受信して、認識対象が作業者であることを正確に判別して塵芥押込装置の作動を停止させることができるので、塵芥押込装置への作業者の巻き込みを確実に防止することができ、しかも、認識対象の誤認識に起因する塵芥押込装置の作動停止がないので、塵芥の押込作業能率を大幅に向上させることができる。
【図面の簡単な説明】
【図1】本発明積込安全装置を装備した塵芥収集車の後部斜視図
【図2】図1の2−2線に沿う断面図
【図3】積込安全装置の制御ブロック図
【符号の説明】
1・・・・・・・・・塵芥収容箱
2・・・・・・・・・塵芥投入箱
4・・・・・・・・・投入口
30・・・・・・・・アンテナ
31・・・・・・・・認識タグ
32・・・・・・・・タグ認識コントローラ
33・・・・・・・・塵芥収集コントローラ
A・・・・・・・・・塵芥押込装置
M・・・・・・・・・作業者
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dust collection vehicle loading safety device that enables a worker to safely load dust when the worker puts dust into a dust collection box of a dust collection vehicle. Is.
[0002]
[Prior art]
As a loading safety device for the garbage collection vehicle, a photoelectric safety device consisting of a light emitter and a light receiver is provided at the input port of the dust input box, which detects the operator's body and stops the operation of the dust pushing device. A device that can safely perform the dust throwing operation is already known (see, for example, Patent Document 1).
[0003]
In addition, an infrared sensor is provided at the input port of the garbage input box, and when the worker approaches the input port, the sensor detects the infrared rays radiated from the body, and the operation of the dust pushing device is performed based on this detection signal. There is already known one that stops the operation (see, for example, Patent Document 2).
[0004]
[Patent Document 1]
Japanese Utility Model Publication No. 1-152905 [Patent Document 2]
Japanese Utility Model Publication No. 4-29505 gazette
[Problems to be solved by the invention]
However, in any of the loading safety devices described in Patent Documents 1 and 2, it is difficult to accurately discriminate and recognize the worker and the garbage, and the frequency of stopping the pushing safety device increases. There is.
[0006]
The present invention has been made in view of such circumstances, and is an operator by receiving a signal transmitted from the recognition tag by attaching a recognition tag to the worker himself or herself who puts the dust into the dust box. It is possible to accurately determine this, and to provide a new garbage collection vehicle loading safety device that can stop the operation of the dust pushing device based on the determination signal and solve the above problem. It is the purpose.
[0007]
[Means for Solving the Problems]
In order to achieve the object, the invention according to claim 1 is provided with a dust input box on an opening rear surface of a dust storage box mounted on a palm frame, and a dust pushing device provided in the dust input box, In the refuse collection vehicle in which the dust thrown into the dust throwing box is pushed into the dust containing box from the rear entrance.
An antenna that is provided in the dust input box and transmits a weak radio wave with the inside of the dust input box and the input port as a detection area, and a worker who performs the operation of putting the dust into the dust input box, and the detection A tag that receives radio waves in the area, transmits the ID number to the antenna using the radio wave as a power source, and tag recognition that reads the ID number received by the antenna and determines whether this is a registered ID number It includes a controller and a dust collecting controller that stops the operation of the dust pushing device when receiving a determination signal from the tag recognition controller.
[0008]
According to this feature, when a part of the worker's body enters the input port or the dust input box, the antenna receives the radio wave transmitted from the recognition tag attached to the worker, and Therefore, it is possible to accurately determine that the worker is an operator and stop the operation of the dust pushing device, so that the operator can be reliably prevented from getting caught in the dust loading device, and an erroneous recognition target can be detected. Since there is no operation stop of the dust pushing device due to recognition, the dust pushing efficiency can be greatly improved.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the embodiments of the present invention shown in the accompanying drawings.
[0010]
1 is a rear perspective view of a garbage truck equipped with the loading safety device of the present invention, FIG. 2 is a sectional view taken along line 2-2 of FIG. 1, and FIG. 3 is a control block diagram of the loading safety device. is there.
[0011]
In FIGS. 1 and 2, a dust storage box 1 is mounted on a palm frame F with a traveling wheel suspended therein so that it can be dumped rearward. A dust input box 2 is pivoted to a rear opening of the dust storage box 1. Thus, it can be tilted backward. A tilt cylinder 5 for tilting the dust input box 2 backward is provided between the dust storage box 1 and the dust input box 2, and the base end of the cylinder barrel of the tilt cylinder 5 is the rear end side of the dust storage box 1. The tip of the cylinder rod is pivotally connected to the side surface of the dust box 2 while being pivotally connected 6 to the part.
[0012]
A dust pushing device A is provided in the dust throwing box 2, and the dust thrown from the throwing port 4 opened at the rear surface of the dust throwing box 2 by the operation of the dust pushing device A is contained in the dust containing box 1. Is pushed into.
[0013]
The dust pushing device A includes a pushing plate 10 that is pivotally supported on the dust throwing box 2 so as to swing back and forth, and a rotating plate 20 that is pivotally supported on the dust throwing box 2 below the dust throwing box 2. The pushing plate 10 can be swung back and forth around the pivotal support 11 by a rocking cylinder 14 connected between the upper portion of the pushing plate 10 and the upper portion of the dust throwing box 2. The rotary drive device 22 such as a hydraulic motor provided in the dust box 2 can be rotated in the clockwise direction (arrow direction) in FIG. Then, by swinging the pushing plate 10 according to the rotation of the rotating plate 20, the dust thrown in from the charging port 4 is crushed and compressed by the rotating plate 20, and then the dust lifted by the rotating plate 20 is The pushing plate 10 can be pushed into the dust container 1 by swinging forward.
[0014]
In addition, in order to discharge the dust pushed into the dust input box 2, the dust input box 2 is tilted backward about the pivot 3 by the extension operation of the tilt cylinder 5, and the dust storage box 1 is then moved by a dump cylinder (not shown). By dumping backward, the dust in the dust container 1 can be discharged.
[0015]
Since the dust pushing device A has a conventionally known structure, a detailed description thereof will be omitted.
[0016]
In front of the rocking cylinder 14, a partition plate 16 is fixed to the upper part of the dust throwing box 2, and the dust pushed into the dust storage box 1 is moved to the rocking cylinder 14 side. It is not pushed back.
[0017]
The dumping box 2 is provided with a loading safety device according to the present invention that secures the safety of the worker M in cooperation with a recognition tag worn by the worker M who puts the dust there. .
[0018]
Hereinafter, the construction of the loading safety device will be described mainly with reference to FIGS. 1 and 3. A pair of antennas 30 are provided on the left and right sides of the rear part of the dust box 2 in the vicinity of the left and right edges of the inlet 4. These antennas 20 are arranged symmetrically, and the recognition areas of these antennas 20 are the inside of the dust box 2, the inlet 4 and the vicinity thereof. On the other hand, the recognition tag 31 is attached to the arm of the worker M who performs the operation of introducing the dust into the dust input box 2 through the input port 4. When the recognition tag 31 enters the recognition area of the antenna 30, the recognition tag 31 receives a weak radio wave transmitted from the antenna 30, and then stores the ID stored in the radio wave as a power source. The number can be transmitted to the antenna 30.
[0019]
The ID number received by the antenna 30 is transmitted to a safety control circuit C provided at an appropriate position of the garbage throwing box 2. The safety control circuit C includes a tag recognition controller 32 and a dust collection controller 33. The tag recognition controller 32 reads an ID number from the antenna 30, and the ID number is a registered ID number. If it is a registration number, the registration signal is transmitted to the dust collection controller 33. When receiving the signal from the tag recognition controller 32, the dust collecting controller 33 outputs this signal to the operation control unit 34 of the dust pushing device A, and stops and controls the device A.
[0020]
As described above, when a part of the body of the worker M enters the insertion port 4 or the dust container box 2, it is immediately and accurately determined that the worker M is the worker M, and the dust pushing device A The operation can be stopped and the safety of the work can be ensured, and there is no fear of misidentifying a person and a dust (the ones in the documents 1 and 2), and the dust pushing device A is deactivated wastefully. There is no.
[0021]
As mentioned above, although the Example of this invention was described, this invention is not limited to the Example, A various Example is possible within the scope of the present invention.
[0022]
For example, in the above-described embodiment, the case where a pair of antennas is provided in the garbage throwing box 2 has been described. However, one or three or more antennas may be provided.
[0023]
【The invention's effect】
As described above, according to the first aspect of the present invention, when an operator enters the input port or the garbage input box, the antenna receives the radio wave transmitted from the recognition tag attached to the operator. Then, since it is possible to accurately determine that the recognition target is an operator and stop the operation of the dust pushing device, it is possible to reliably prevent the operator from being caught in the dust pushing device, Since the operation of the dust pushing device due to erroneous recognition of the recognition target is not stopped, the dust pushing efficiency can be greatly improved.
[Brief description of the drawings]
1 is a rear perspective view of a garbage truck equipped with the loading safety device of the present invention. FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1. FIG. 3 is a control block diagram of the loading safety device. Description】
1 ... Dust storage box 2 ... Dust input box 4 ... Input port 30 ... Antenna 31 .... Recognition tag 32 ... Tag recognition controller 33 ... Dust collection controller A ... Dust pushing-in device M ... ······worker

Claims (1)

塵芥収容箱(1)の開口後面に、塵芥投入箱(2)を設け、前記塵芥投入箱(2)内に装備した塵芥押込装置(A)により、該塵芥投入箱(2)内に、その後面の投入口(4)から投入された塵芥を塵芥収容箱(1)内に押込むようにした塵芥収集車において、
前記塵芥投入箱(2)に設けられ、該塵芥投入箱(2)内および投入口(4)を検出エリアとして微弱な電波を発信するアンテナ(30)と、
前記塵埃投入箱(2)内への塵芥の投入作業を行なう作業者(M)に装着され、前記検出エリア内の電波を受信し、その電波を電源として前記アンテナ(30)にID番号を送信する認識タグ(31)と、
前記アンテナ(30)で受信したID番号を読み取り、これが登録されたID番号であるかどうかを判別するタグ認識コントローラ(32)と、
前記タグ認識コントローラ(32)からの判別信号を受信すると、前記塵芥押込装置(A)の作動を停止する塵芥収集コントローラ(33)と、を含むことを特徴とする、塵芥収集車の積込安全装置。
A dust input box (2) is provided on the rear surface of the opening of the dust storage box (1), and then the dust input device (A) provided in the dust input box (2) is moved into the dust input box (2). In the refuse collection vehicle in which the dust thrown in from the inlet (4) on the surface is pushed into the dust container (1),
An antenna (30) provided in the dust input box (2), for transmitting a weak radio wave in the dust input box (2) and the input port (4) as a detection area;
It is attached to the worker (M) who performs the operation of putting dust into the dust box (2), receives the radio wave in the detection area, and transmits the ID number to the antenna (30) using the radio wave as a power source. A recognition tag (31) to
A tag recognition controller (32) that reads the ID number received by the antenna (30) and determines whether this is a registered ID number;
A garbage collection controller (33) for stopping the operation of the dust pushing device (A) when receiving a discrimination signal from the tag recognition controller (32), apparatus.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006316862A (en) * 2005-05-11 2006-11-24 National Institute Of Advanced Industrial & Technology Safety management system
KR100742754B1 (en) 2006-05-24 2007-07-25 주식회사 대흥데이타통신 Security system and method for operating thereof
JP2007204276A (en) * 2006-02-06 2007-08-16 Morita Econos Corp Control device of raking-in device
JP2013231712A (en) * 2012-04-04 2013-11-14 Yamada Seimitsu Seisakusho:Kk Machine controller
JP2020011840A (en) * 2018-07-20 2020-01-23 株式会社日立パワーソリューションズ Garbage collection support device, garbage collection support system, and garbage collection support method
JP2021050061A (en) * 2019-09-24 2021-04-01 新明和工業株式会社 Garbage collecting vehicle and control method thereof
JP2021059407A (en) * 2019-10-04 2021-04-15 極東開発工業株式会社 Loading safety device for garbage collection truck and working glove used for the same
CN113233053A (en) * 2021-05-15 2021-08-10 上海推芯医疗科技有限公司 Useless collection control car of intelligence medical science

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006316862A (en) * 2005-05-11 2006-11-24 National Institute Of Advanced Industrial & Technology Safety management system
JP2007204276A (en) * 2006-02-06 2007-08-16 Morita Econos Corp Control device of raking-in device
KR100742754B1 (en) 2006-05-24 2007-07-25 주식회사 대흥데이타통신 Security system and method for operating thereof
JP2013231712A (en) * 2012-04-04 2013-11-14 Yamada Seimitsu Seisakusho:Kk Machine controller
JP2020011840A (en) * 2018-07-20 2020-01-23 株式会社日立パワーソリューションズ Garbage collection support device, garbage collection support system, and garbage collection support method
JP2021050061A (en) * 2019-09-24 2021-04-01 新明和工業株式会社 Garbage collecting vehicle and control method thereof
JP7272920B2 (en) 2019-09-24 2023-05-12 新明和工業株式会社 garbage truck
JP2021059407A (en) * 2019-10-04 2021-04-15 極東開発工業株式会社 Loading safety device for garbage collection truck and working glove used for the same
CN113233053A (en) * 2021-05-15 2021-08-10 上海推芯医疗科技有限公司 Useless collection control car of intelligence medical science

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