WO2015072656A1 - Appareil de traitement de surface - Google Patents

Appareil de traitement de surface Download PDF

Info

Publication number
WO2015072656A1
WO2015072656A1 PCT/KR2014/008204 KR2014008204W WO2015072656A1 WO 2015072656 A1 WO2015072656 A1 WO 2015072656A1 KR 2014008204 W KR2014008204 W KR 2014008204W WO 2015072656 A1 WO2015072656 A1 WO 2015072656A1
Authority
WO
WIPO (PCT)
Prior art keywords
yoke
head
guide
workpiece
support plate
Prior art date
Application number
PCT/KR2014/008204
Other languages
English (en)
Korean (ko)
Inventor
최병근
이영진
Original Assignee
최병근
이영진
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 최병근, 이영진 filed Critical 최병근
Publication of WO2015072656A1 publication Critical patent/WO2015072656A1/fr

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B11/00Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/18Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/182Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0007Movable machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0038Other grinding machines or devices with the grinding tool mounted at the end of a set of bars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/002Grinding heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/04Headstocks; Working-spindles; Features relating thereto
    • B24B41/047Grinding heads for working on plane surfaces

Definitions

  • the present invention relates to a surface treatment apparatus, and more particularly, when the work head provided in the surface treatment apparatus is out of position due to friction with the workpiece or the shape of the curvature of the workpiece during sanding or polishing.
  • the present invention relates to a surface treatment apparatus in which a sanding or polishing operation on a workpiece can be performed within a desired depth and range by returning to a position.
  • Sanding work and polishing work should be done in advance in order to perform surface treatment work such as painting or gloss on a work made of a material such as metal or reinforced plastic.
  • this work has been carried out using a device in which a grinder is mounted on a disc that rotates at a constant speed by the driving force of the drive motor.
  • a device in which a grinder is mounted on a disc that rotates at a constant speed by the driving force of the drive motor.
  • such a device can be driven only in the horizontal direction in which the grinder is mounted.
  • Korean Patent No. 1296569 Korean Patent No. 1269303.
  • Each of these techniques commonly includes a work arm rotatably provided in the body and a rotating plate provided at the end of the work arm so that the work arm appropriately responds to any curvature of the work piece so that it can be surface treated. Makes it easy to perform.
  • the yoke 10 between the work arm (not shown) end that is rotatably installed at an angle and the work head 20 is mounted with the rotating plate 30
  • the yoke 10 is separated into a yoke portion 12 supporting the work head 20 and a fixed portion 18 fixedly coupled to the work arm end
  • the yoke portion 12 is fixed portion 18 It is configured to rotate at a certain angle with respect to). This is to allow the work head 20 to more easily adapt to the curvature of the workpiece to perform the surface treatment work.
  • the present invention has been proposed to solve the above problems, the present invention is an apparatus capable of performing a surface treatment operation while maintaining the state in which the work head is in close contact with the surface of the workpiece even if the workpiece has any curvature.
  • the purpose is to provide.
  • the present invention and the housing 10 is installed to be movable a predetermined distance along the guide rail 12 provided in the lower to achieve the above object;
  • a rotating disc 26 provided on one side of the front surface and mounted to the housing 10;
  • a working arm 30 protruding from the rotating disk 26 of the body 20 to a predetermined length;
  • a support plate 110 provided with a fixed rod 112 projecting vertically and mounted at an end of the working arm 30;
  • a yoke 120 provided at one side of the central part with an insertion tube 122 into which the fixing rod 112 is inserted and rotatably coupled to the support plate 110; Both ends are hinged to each end of the yoke 120, the lower portion of the head 130 is provided with the rotating plate 132;
  • One side is provided with a coupling piece 142 that is bolted to the outer surface of the insertion tube 122 of the yoke 120, the other side is provided with a receptor 144 having a receiving space 145 is provided with the receptor 144
  • the head 130 an extension piece 172 protruding left and right from the upper working head 130, one end is coupled to each of the extension pieces 172 and the other end length adjustment piece 174 extending downward;
  • the head stopper 170 may be formed of an elastic body 176 provided at each end of the length adjusting piece 174.
  • the length adjusting piece 174 may be made of a bolt.
  • Both ends of the container 144 of the rotation guide 140 may be opened, and both ends of the opened container 144 may be closed by a cap 148.
  • the present invention is configured so that the yoke for supporting the head is rotated at an angle with respect to the end of the working arm by restoring a spring placed inside the rotation guide and a guide rod projecting through the rotation guide directly with the spring.
  • the rotating plate of the head can be closely adhered to the surface of the workpiece.
  • the present invention is equipped with a head stopper on one side of the head to prevent the head portion from rotating at a certain angle with respect to the yoke, so that even if the surface curvature of the workpiece changes in the vertical direction during the operation process, the rotating plate of the head It can be in close contact with the surface of the workpiece.
  • FIG. 1 is a schematic overall configuration diagram of a surface treatment apparatus according to the present invention.
  • Figure 3 is a schematic coupling configuration of the guide and the rotation guide of the working head in the surface treatment apparatus according to the present invention.
  • Figure 4 is a schematic operation configuration diagram between the rotation guide, the spring, the guide rod in the working head according to the present invention.
  • FIG. 5 is a schematic operational configuration of the head stopper in the working head according to the present invention.
  • Figure 6 is a schematic configuration diagram of a work head in a conventional surface treatment apparatus.
  • the present invention relates to a surface treatment apparatus for sanding or polishing a surface portion of a workpiece made of a material such as metal or reinforced plastic, and the surface treatment apparatus as described in FIG. 10, the body 20, the working arm 30, and the working head 100 may be formed.
  • the housing 10 is installed to be movable at a predetermined distance along the guide rail 12 provided at a lower portion thereof, and various control devices, a driving motor, a pump, and the like are provided therein.
  • the body 20 is mounted on the housing 10, and is rotatably installed at an angle with respect to the housing 10 using the drive shaft 22.
  • the rotating disc 26 is mounted on one side of the front side of the body 20.
  • the rotating disc 26 is responsible for the rotation of the working arm 30, the drive means is installed inside the body.
  • the working arm 30 is configured to protrude to a predetermined length from the rotation disk 26 of the body 20, the rotation disk 26 can be rotated at a predetermined angle in accordance with the operation.
  • One side of the working arm 30 is provided with a working head 100, the working arm itself is configured to be moved up and down by a predetermined height by the drive means not shown.
  • the work head 100 may include a yoke 120 coupled to the support plate 110, and a head 130 supported by the yoke 120.
  • the support plate 110 is a portion mounted to the end of the working arm 30, the center portion is provided with a fixing rod 112 that protrudes vertically.
  • the support plate 110 is rotated together when the working arm 30 rotates, preferably made of a metal material of a predetermined thickness.
  • the yoke 120 is a part for supporting the head 130, the insertion tube 122 is provided at one side of the central portion.
  • the insertion tube 122 is a portion into which the fixing rod 112 of the support plate 110 is inserted.
  • Fixing rod 112 is coupled by a separate fastening means in a state inserted into the insertion tube 122, it is preferable that the yoke 120 is coupled in a state capable of freely rotating with respect to the support plate 110. This is to allow the head 130 to properly correspond to the surface curvature of the workpiece.
  • the support plate 110 mounted on the end of the working arm 30 also rotates together, and the yoke 120 is freely rotated with respect to the support plate 110.
  • the yoke may be made of a metal material of a certain thickness.
  • the head 130 is a part in which work on the workpiece is performed, and a rotating plate 132 is provided under the head 130.
  • the rotating plate 132 is a portion that rotates at a constant speed when high pressure air is injected by an air supply apparatus (not shown), and a polishing pad or the like is attached to a lower portion thereof. Both ends of the head 130 may be hinged to each end of the yoke 120.
  • the head 130 when the yoke 120 is coupled in a state that can be freely rotated with respect to the support plate 110, the head 130 provided in the yoke 120 to avoid the change in the surface treatment operation process
  • the head 130 may not be in close contact with the surface of the workpiece. This may occur when the surface curvature of the workpiece suddenly changes or the surface curvature of the workpiece has various curvatures, especially when the surface curvature of the workpiece is inclined at an angle to the left and right.
  • the rotation guide 140 is characterized in that the coupling piece 142 is provided on one side and the receptor 144 is provided on the other side.
  • the coupling piece 142 is a portion that is coupled to the outer surface of the insertion tube 122 of the yoke 120 by a separate fastening means such as a bolt, it is preferably made of a configuration corresponding to the shape of the insertion tube 122. .
  • An accommodation space 145 having a predetermined size is provided in the container 144, and guide holes communicating with the accommodation space 145 are formed in each of the upper and lower sides. Although only the upper guide hole 146 is disclosed in FIG. 3, the lower guide hole having the same configuration is formed in the lower side of the receiver.
  • Rotation guide may be made of a metal material of a certain thickness.
  • the spring 150 may be formed of a conventional spring having a restoring force, and is placed in the receiving space 145 of the rotation guide 140.
  • the present invention proposes a configuration in which both ends of the container 144 of the rotation guide 140 are opened, and both ends of the opened container 144 are closed by the cap 148 for easy settlement of the spring 150.
  • the one side cap of the container may be inserted into the spring receiving space while the one side cap of the container is sealed, and then the other opening of the container may be sealed with the other cap.
  • One side of the guide rod 160 is fixed to one side of the fixing rod 112 of the support plate 110, and the other side thereof extends to protrude through the upper and lower guide holes of the rotation guide 140.
  • the spring 150 is built in the receiving space 145 of the rotation guide 140, but since the spring is typically made of a spiral coil, the guide rod 160 can be inserted through a gap between the central portions of the coil. have.
  • the rotation guide 140 of the working head according to the present invention rotates with the yoke 120, the guide rod 160 is fixed to the support plate 110.
  • the guide rod has a bolt structure in the drawing, but this is only an example, it can be applied to a variety of structures, such as forming a screw thread only fixed to one side of the fixed rod.
  • the rotating disk 26 of the body 20 rotates at a predetermined angle
  • the working arm 30 mounted on the rotating disk 26 also rotates together. Accordingly, the rotary plate 132 portion of the work head 100 is strongly adhered to the surface of the workpiece, and when the high pressure air is supplied, the rotary plate 132 rotates at a high speed while being in close contact with the surface of the workpiece, Work on the water surface begins.
  • the work head 100 (more specifically, the rotating plate 132) is in close contact with the surface of the workpiece.
  • the workhead 100 suitably adapts to the surface curvature of the changing workpiece. That is, the yoke 120 of the work head 100 rotates in a specific direction (1 direction or 2 direction) according to the surface curvature of the workpiece based on the support plate 110.
  • 1 Direction may occur when the surface curvature of the workpiece is inclined gently to the right.
  • 2 Direction may occur when the surface curvature of the workpiece is gently inclined to the left.
  • the rotation guide 140 which is fixed at one side to the insertion tube 122 of the yoke 120, also rotates in a specific direction, while the support rod 112 of the support plate 110 is rotated.
  • Guide rod 160 is fixed to one side is fixed to the original position (1 position or 2 position).
  • the spring 150 acts in the 1 ′ direction because the guide rod 160 is fixed at the original 1 position together with the support plate 110.
  • the restoring force acts in the direction of restoring the yoke 120 to its original position
  • the spring 150 acts in the direction of 2 'and acts in the direction of restoring the yoke 120 to its original position.
  • the elastic body 150 when the surface curvature of the workpiece is changed while the work is in progress, the elastic body 150 generates the restoring force in the opposite direction even if the yoke 120 rotates at a predetermined angle with respect to the support plate 110.
  • the rotating plate specific portion of the work head 100 mounted on the yoke 120 does not deviate from the surface of the workpiece by changing the surface curvature of the workpiece. It can maintain the state and smoothly perform the surface treatment work.
  • the work head 20 is hinged to one side end of the yoke 10 as shown in FIG. 6, when the surface curvature of the workpiece gently changes in the vertical direction, the work head ( 20 is freely rotatable with respect to the yoke 10 by a predetermined angle. However, in this case, especially when the surface curvature of the workpiece is formed to be inclined upward, the work head 20 is lifted upward from the hinge coupling portion.
  • the present invention proposes a head stopper that prevents the head from rotating at least a certain angle with respect to the yoke from the hinge coupling portion.
  • the head stopper 170 may include an extension piece 172, a length adjusting piece 174, and an elastic body 176.
  • the extension piece 172 is a portion protruding left and right from the top of the head 130, each side of the extension piece is fixedly coupled to the upper one side of the head.
  • the extension piece may be made of a metal material of a certain thickness.
  • the length adjusting piece 174 is a portion that is coupled to the extension piece 172, one end is coupled to each of the extension pieces 172 and the other end is extended downward to protrude.
  • the length adjusting piece 174 is preferably configured to adjust the length by a predetermined interval in the vertical direction, for this purpose, the present invention proposes a case in which the length adjusting piece is made of a bolt structure.
  • the elastic body 176 is provided at the end of the length adjusting piece 174, and moves a predetermined distance upward or downward with the length adjusting piece in accordance with the operation of the length adjusting piece 174. As described in the drawing, the elastic body 176 is preferably adjusted in height so as to maintain a state spaced apart from the front upper end of the yoke 120 by a predetermined distance. The spacing between the elastic body and the yoke limits the range in which the head 130 rotates with respect to the hinged portion of the yoke 120, which depends on the surface curvature of the workpiece, in particular on the vertically varying surface curvature. Can be.
  • the elastic body may be made of a conventional resin material.
  • the head 130 which is mounted on the rotating plate 132 hinged to the yoke 120 is changed from the hinge coupling site It adapts to the surface curvature of the workpiece and rotates little by little (3).
  • the head 130 will continue to rotate according to the hinged portion accordingly, if the head 130 rotates from the hinged portion, the elastic body 176 is As it moves relatively downward, the distance between the one upper upper portion of the elastic body 176 and the yoke 120 gradually decreases, and finally, the elastic body 176 is in contact with the upper upper one front portion of the yoke 12, and thus the head 130. Will no longer rotate and will remain in that state.
  • the surface treatment operation is appropriately adapted to the surface curvature of the workpiece to be changed while the head 130 rotates little by little from the hinge coupling portion of the yoke 120.
  • the rotatable range is limited to a certain angle (vertical maximum curvature of the workpiece) to prevent a specific portion (front part) of the rotating plate 132 from deviating from the workpiece surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

La présente invention porte sur un appareil de traitement de surface, lequel appareil comprend : une plaque de support (10) qui a une tige de fixation (112) faisant saillie verticalement à partir de cette dernière et qui est fixée à une partie d'extrémité d'un bras de travail (30) ; une culasse (120) qui a un tube d'introduction (122) sur une surface latérale de la partie centrale de cette dernière et qui est couplée de façon à pouvoir tourner à la plaque de support (110), la tige de fixation (112) étant introduite dans le tube d'introduction (122) ; une tête (130) ayant des parties d'extrémité opposées couplées de façon articulée à des parties d'extrémité respectives de la culasse (120) et une plaque rotative (132) placée en dessous de cette dernière ; un guide de rotation (140) ayant une pièce de couplage (142) sur un côté de ce dernier et un corps de réception (144) sur l'autre côté de ce dernier, les pièces de couplage étant couplées à la surface externe du tube d'introduction (122) de la culasse (120) à l'aide d'un boulon, le corps de réception ayant un espace de réception (145) formé à l'intérieur de ce dernier, et des trous de guidage communiquant avec l'espace de réception (145) étant formés sur les côtés supérieur et inférieur du corps de réception (144) ; un ressort (150) placé dans l'espace de réception (145) du guide de rotation (140) ; et une tige de guidage (160) ayant une extrémité fixée à un côté de la tige de fixation (112) de la plaque de support (110) et l'autre extrémité s'étendant et faisant saillie à travers les trous de guidage de côtés supérieur et inférieur de la plaque de fixation (140).
PCT/KR2014/008204 2013-11-15 2014-09-02 Appareil de traitement de surface WO2015072656A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0138852 2013-11-15
KR1020130138852A KR101532284B1 (ko) 2013-11-15 2013-11-15 표면처리장치의 작업헤드 정위치복원기구

Publications (1)

Publication Number Publication Date
WO2015072656A1 true WO2015072656A1 (fr) 2015-05-21

Family

ID=53057567

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/008204 WO2015072656A1 (fr) 2013-11-15 2014-09-02 Appareil de traitement de surface

Country Status (2)

Country Link
KR (1) KR101532284B1 (fr)
WO (1) WO2015072656A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3246127A1 (fr) * 2016-04-11 2017-11-22 Festool GmbH Machine-outil manuelle dotée d'un dispositif de ressort de positionnement
EP3530406A1 (fr) * 2018-02-23 2019-08-28 Temple Allen Holdings LLC Appareil de traitement de surface et methode à chargement sélectif
CN110842738A (zh) * 2019-10-17 2020-02-28 安徽省忆德工业刷制造有限公司 一种环卫刷挡盘加工用抛光装置
CN111702639A (zh) * 2020-07-06 2020-09-25 姜飞 一种用于混凝土浇筑行业的不同状态的混凝土清泥装置
TWI766728B (zh) * 2021-06-16 2022-06-01 均豪精密工業股份有限公司 研磨裝置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101877624B1 (ko) * 2016-09-21 2018-07-11 주식회사 엘지생활건강 셀로지네 니티다 꽃의 향취를 재현한 향료 조성물
CN114083434B (zh) * 2021-11-10 2023-10-24 江西金百成五金制品有限公司 一种窗户滑轮加工快速成型装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004261652A (ja) * 2003-02-21 2004-09-24 Honda Motor Co Ltd 保護層形成材の塗布装置
WO2010117151A2 (fr) * 2009-04-06 2010-10-14 Kim Ki Young Machine à meuler à main pliable multidirectionnelle
KR20120069376A (ko) * 2010-12-20 2012-06-28 최병근 표면 처리 장치
KR101269303B1 (ko) * 2012-08-13 2013-05-29 최병근 표면 처리 장치
WO2013154246A1 (fr) * 2012-04-13 2013-10-17 삼성중공업 주식회사 Appareil de formation de revêtement et méthode de formation de revêtement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004261652A (ja) * 2003-02-21 2004-09-24 Honda Motor Co Ltd 保護層形成材の塗布装置
WO2010117151A2 (fr) * 2009-04-06 2010-10-14 Kim Ki Young Machine à meuler à main pliable multidirectionnelle
KR20120069376A (ko) * 2010-12-20 2012-06-28 최병근 표면 처리 장치
WO2013154246A1 (fr) * 2012-04-13 2013-10-17 삼성중공업 주식회사 Appareil de formation de revêtement et méthode de formation de revêtement
KR101269303B1 (ko) * 2012-08-13 2013-05-29 최병근 표면 처리 장치

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3246127A1 (fr) * 2016-04-11 2017-11-22 Festool GmbH Machine-outil manuelle dotée d'un dispositif de ressort de positionnement
EP3530406A1 (fr) * 2018-02-23 2019-08-28 Temple Allen Holdings LLC Appareil de traitement de surface et methode à chargement sélectif
CN110842738A (zh) * 2019-10-17 2020-02-28 安徽省忆德工业刷制造有限公司 一种环卫刷挡盘加工用抛光装置
CN111702639A (zh) * 2020-07-06 2020-09-25 姜飞 一种用于混凝土浇筑行业的不同状态的混凝土清泥装置
TWI766728B (zh) * 2021-06-16 2022-06-01 均豪精密工業股份有限公司 研磨裝置

Also Published As

Publication number Publication date
KR101532284B1 (ko) 2015-06-29
KR20150056186A (ko) 2015-05-26

Similar Documents

Publication Publication Date Title
WO2015072656A1 (fr) Appareil de traitement de surface
CN207423491U (zh) 一种门窗性能检测设备
CN106891238A (zh) 一种铁锅内表面抛光机器人
CN205429165U (zh) 一种用于卫星天线的旋转装置
CN112014706A (zh) 一种绝缘子零值检测机器人
CN116480108A (zh) 一种预制清水混凝土外墙挂板安装设备与方法
CN207375320U (zh) 一种自动旋转上料装置
CN206812075U (zh) 定位结构
CN205703134U (zh) 一种操作机构装配整机
CN205290325U (zh) 石油管材螺纹保护器上卸装置
CN111022836B (zh) 一种矿用隔爆型潜污水电泵抗震座
CN216830076U (zh) 一种环保性石材自动磨边机
CN111910639A (zh) 一种建筑基坑浇筑用混凝土输送装置
CN206105563U (zh) 一种软辊砂打磨结构
KR101122565B1 (ko) 반목의 항타 장치
CN101239451A (zh) 一种改良的抛光机
CN212722274U (zh) 一种便于使用的建筑材料强度检测装置
CN220453434U (zh) 一种智能撬装式气瓶存储柜
CN204195539U (zh) 一种带有进料斗和气缸的抛丸机
CN220660784U (zh) 一种水泵检修支架
CN212843180U (zh) 一种瞄准镜缓冲架
CN220772787U (zh) 一种建筑拉力检测装置
CN107513930A (zh) 一种公路工程领域的公路路面打磨设备
CN218692572U (zh) 一种土壤修复自动喷洒设备
CN220241126U (zh) 一种防位移玻璃定位设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14861437

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14861437

Country of ref document: EP

Kind code of ref document: A1