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WO2018199343A1 - Outil pour travail de remplacement de douille - Google Patents

Outil pour travail de remplacement de douille Download PDF

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Publication number
WO2018199343A1
WO2018199343A1 PCT/KR2017/004335 KR2017004335W WO2018199343A1 WO 2018199343 A1 WO2018199343 A1 WO 2018199343A1 KR 2017004335 W KR2017004335 W KR 2017004335W WO 2018199343 A1 WO2018199343 A1 WO 2018199343A1
Authority
WO
WIPO (PCT)
Prior art keywords
bushing
adapter
hole
tool
vehicle member
Prior art date
Application number
PCT/KR2017/004335
Other languages
English (en)
Korean (ko)
Inventor
강성삼
Original Assignee
주식회사 에스엠모터스
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 주식회사 에스엠모터스 filed Critical 주식회사 에스엠모터스
Priority to PCT/KR2017/004335 priority Critical patent/WO2018199343A1/fr
Publication of WO2018199343A1 publication Critical patent/WO2018199343A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/28—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing resilient bushings or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B33/00—Hand tools not covered by any other group in this subclass

Definitions

  • the present invention relates to a tool for a bushing replacement operation, and more particularly, a bushing replacement that accommodates a bushing missing in a vehicle member, thereby simplifying assembly and installation while significantly reducing the time and manpower required for the bushing replacement operation. It relates to a working tool.
  • the bushing In general, a lot of bushing is required to connect parts and parts in the suspension system of the automobile. In automobiles, the bushing connects the parts organically like the knee is bent to reduce wear during perturbation between parts, and absorbs the vibration transmitted from the road surface to the vehicle body when driving the engine or prevents noise and vibration. It is essential for a good ride.
  • the bushing 1 is a structure in which two metal sleeves 2 and 3 are coaxially disposed and an elastic rubber filler 4 is filled between the inner sleeve 2 and the outer sleeve 3.
  • the inner sleeve 2 is here generally longer than the outer sleeve 3.
  • the outer sleeve 3 fits snugly into the installation hole of the vehicle member 5, such as an automobile part, for example, an arm or a plate, and is fixed integrally.
  • the inner sleeve 2 of the bushing 1 can be fitted with a bolt to connect with another member.
  • the rubber filler 4 absorbs impacts that elastically correspond to the movement of the two members and act in any direction perpendicular to or parallel to the axis.
  • FIG. 11 shows the operation
  • a bushing base adapter 30 suitable for the size of the bushing 1 to be worked is placed on the base 21 of the tool main body 20, and a vehicle member 5 provided with a bushing 1 to be pulled out is placed thereon.
  • the ram 13 of the hydraulic actuator 10 is attached with a bushing pressurizing adapter 40 corresponding to the size of the bushing 1.
  • the preparation is completed, when hydraulic oil is supplied to the hydraulic actuator 10 and operated, the ram 13 is lowered, and the lower end of the bushing pressurizing adapter 40 attached thereto is located above the outside of the bushing 1.
  • the bushing 1 is pushed out of the vehicle member 5 by the force of the ram 13, which is in contact with the sleeve and is continuously pressed from this, and is collected in the hollow portion 32 of the lower bushing support adapter 30.
  • the pressure oil supply is stopped and the ram 13 is returned to complete the work.
  • FIG. 12 shows a working state of fitting the bushing 1 to be replaced to the vehicle member 5.
  • a new bushing 1 ′ to be replaced is placed on the vehicle member 5 having the bushing 1 removed, and the hydraulic actuator 10 is operated again.
  • the bushing pressurizing adapter 40 is preferably used.
  • a dedicated bushing pressurizing adapter 60 having the truncated cone-shaped hole 61 of FIG. 7 described above can be used.
  • the conventional bushing replacement tool is a structurally complex and very inconvenient to fix the vehicle, such that the replacement of the bushing requires a lot of time and manpower.
  • a lower groove is formed so that the upper end of the bushing on the lower surface, the upper adapter is formed in the center central hole between the upper surface and the lower groove Wow;
  • a vehicle member for fixing the bushing is caught at an upper end, and the bushing separated from the vehicle member is formed in an elongated tubular shape having an upper portion open to be received while being lowered to a lower portion, and a closing portion is formed at a lower surface thereof so that the lower portion is closed.
  • a lower adapter corresponding to a lower hole formed in a center of the closure part;
  • a bolt in which a head is fitted through the lower through hole, the inner sleeve of the bushing, and the central through hole in a state where the head is caught by the closing part, and a nut is screwed to a portion exposed to the upper portion of the upper adapter; It is characterized by including.
  • the lower adapter of the bushing replacement tool according to the present invention may further include a seating jaw formed around the upper inner circumference of the lower adapter so that the lower circumference of the vehicle member is seated, and cut from the upper end of the lower adapter to the lower portion. It is characterized in that it further comprises a plurality of see-through grooves.
  • the bolt of the bushing replacement tool according to the present invention includes a thrust bearing fitted to the bolt under the head and a washer fitted between the lower surface of the thrust bearing and an upper surface of the head. It further comprises.
  • the ram is installed in the lower portion of the cylinder actuated hydraulically, a through-hole is vertically formed in the center from the upper end of the cylinder to the lower end of the ram, the ram A hydraulic actuator in which an upper adapter is installed; It further comprises.
  • the hydraulic actuator of the "butter replacement tool" the screw thread on the outer circumferential surface to be screwed to the spiral coupling hole formed in the periphery of the through hole to the lower surface of the ram, the length can be adjusted to the spiral coupling hole
  • the length adjustment rod is formed, the mounting disc is mounted to the lower end of the length adjustment rod and the upper adapter is installed on the lower surface, and is formed through the center of the spiral coupling hole and the mounting disc to communicate with the through hole so that the bolt is penetrated
  • Auxiliary through-holes characterized in that it further comprises.
  • the hydraulic actuator of the "bushing replacement work tool" further includes a plurality of first magnets attached to the lower surface of the mounting disc, wherein the upper adapter is inserted into the mounting disc. And an upper groove formed on an upper surface of the upper adapter to be bonded by the first magnet.
  • the hydraulic actuator of the " bushing tool for replacing work " according to the present invention is further characterized by further comprising a second magnet attached to the upper surface of the cylinder around the through hole.
  • the lower groove is formed so that the upper end of the bushing on the lower surface, the upper adapter is formed on the upper surface and ;
  • a lower adapter having a vehicle member for fixing a bushing to an upper end thereof, the lower adapter being formed in an elongated tubular shape in which an upper portion thereof is opened so as to be received while the bushing separated from the vehicle member falls downward;
  • a hydraulic actuator including a spiral portion installed in a lower portion of the hydraulically actuated cylinder, the upper adapter installed in the ram, and a spiral portion formed on an outer circumferential surface of the cylinder to enable a helical coupling;
  • a support portion installed to the lower side of the lower adapter, a support portion coupled to the spiral portion to an upper side of the support portion, a pair of frames attached between the support portion and the support portion, and the support portion to pass through the bushing.
  • a bracket having a through hole It has a circular main body fitted to the through hole, the upper end of the circular main body is formed around the upper end of the catching jaw, and the multi-stage jaw is formed in multiple stages to narrow the inner diameter toward the lower side in the inner side of the circular body,
  • the bracket of the " bushing tool for replacing work " according to the present invention is characterized in that it further comprises a plurality of third magnets which are attached to the upper surface of the supporting part.
  • the present invention as described above has a simple structure and easy to assemble and install by accommodating the bushing missing in the vehicle member, and has the effect of significantly reducing the time and manpower required for the bushing replacement work.
  • FIG. 1 is a schematic exploded perspective view of a tool for bushing replacement work according to a first embodiment of the present invention
  • Figure 2 is a schematic longitudinal cross-sectional view showing a state of use of the tool for the bushing replacement operation according to a first embodiment of the present invention
  • FIG. 3 is a schematic exploded perspective view of a tool for bushing replacement work according to a second embodiment of the present invention.
  • FIG. 4 is a schematic exploded bottom perspective view of a main part of a tool for replacing a bushing according to a second embodiment of the present invention
  • FIG. 5 is a schematic longitudinal sectional view showing a state of use of a tool for replacing a bushing according to a second embodiment of the present invention
  • FIG. 6 is a schematic partial exploded perspective view of a tool for bushing replacement work according to a third embodiment of the present invention.
  • FIG. 7 is a schematic bottom bottom perspective view of a tool for replacing a bushing according to a third embodiment of the present invention.
  • FIG. 8 is a schematic longitudinal sectional view showing a state of use of a tool for replacing a bushing according to a third embodiment of the present invention.
  • FIG. 9 is a partial cutaway perspective view of a vehicle bushing
  • 10 to 12 are schematic views showing a conventional bushing replacement tool.
  • FIG. 1 is a schematic exploded perspective view of a tool for bushing replacement work according to a first embodiment of the present invention
  • FIG. 2 is a schematic longitudinal sectional view showing a state of use of the tool for bushing replacement work according to the first embodiment of the present invention.
  • the tool for replacing the bushing includes an upper adapter 100 positioned at the upper end of the bushing 1 and a lower adapter 200 positioned at the lower end of the bushing 1. ) And a bolt 300 installed through the upper adapter 100, the bushing 1, and the lower adapter 200.
  • the upper adapter 100 is a lower groove 101 is formed so that the upper end of the bushing (1) on the lower surface and the central through hole 102 is formed in the center between the upper surface and the lower groove 101, the bushing It is to be able to press the bushing (1) to the lower side in the state in which the upper surface of the (1) is fitted into the lower groove (101).
  • the upper adapter 100 is formed such that an outer step is formed around the lower end of the lower end so that the outer step is caught on the upper surface of the outer sleeve 3 of the bushing 1.
  • the central through hole 102 serves to provide a passage through which the bolt 300 is slidably penetrated.
  • the lower adapter 200 is fastened to the vehicle member (5) to secure the bushing (1) on the upper end is formed in a long tubular shape of the upper open and the lower portion is closed to form a closed portion 201 and the central through hole (
  • the lower through hole 202 is formed in the center of the closing part 201 in correspondence with the 102, and the bushing 1 detached from the vehicle member 5 inward while supporting the lower end of the vehicle member 5. ) Serves as a space to be accommodated while falling to the bottom.
  • the lower adapter 200 may be formed in various sizes according to the outer diameter of the vehicle member 5 to which the bushing 1 is fitted.
  • the closure 201 is to provide a place where the lower end of the bolt 300 is supported, the lower through hole 202 provides a passage through which the bolt 300 penetrates the closure 201. It plays a role.
  • the lower adapter 200 further includes a seating jaw 203 formed around an inner side of an upper end thereof, and a plurality of viewing grooves 204 formed by cutting downward from an upper end of the lower adapter 200.
  • the seating jaw 203 allows the lower end of the vehicle member 5 to be seated inside the lower adapter 200 so that the vehicle member 5 can be supported more precisely.
  • the seating jaw 203 is more preferably formed such that the inner diameter is gradually narrowed toward the lower portion, that is, the inclined surface is formed on the inner circumferential surface so that the bushing 1 more easily fall into the inner side.
  • the sight groove 204 is to visually confirm that the bushing 1 is pulled out of the vehicle member 5 by the pressurization of the upper adapter 100 and received inside the lower adapter 200. .
  • the bolt 300 passes through the lower through hole 202, the inner sleeve 2 of the bushing 1, and the central through hole 102 with the head 301 caught on the lower surface of the closure 201.
  • the nut 302 is screwed to a portion of the upper adapter 100 that is exposed to the upper portion of the upper adapter 100, and the lower adapter 200 is caught by the head 301 on the lower surface of the lower adapter 200.
  • the nut 302 on the upper surface of the upper adapter 100 after being fitted through the lower through hole 202, the inner sleeve 2 of the bushing 1, and the central through hole 102 of the upper adapter 100. Screwed together.
  • the bolt 300 is provided between the thrust bearing 303 fitted to the bolt 300 to the lower portion of the head 301, the lower surface of the thrust bearing 303 and the upper surface of the head 301. It further comprises a washer (304) fitted to the bolt (300).
  • the thrust bearing 303 rotatably supports the head 301 to allow the bolt 300 to be easily rotated together with the head 301.
  • the washer 304 supports between the lower surface of the head 301 and the upper surface of the thrust bearing 303 to allow the head 301 to be fixed to the upper surface of the thrust bearing 303.
  • the washer 304 is preferably fitted to the bolt 300 as the lower surface of the nut 302 so that the nut 302 is fixed to the upper surface of the upper adapter 100.
  • Figure 3 is a schematic exploded perspective view of a tool for bushing replacement work according to a second embodiment of the present invention
  • Figure 4 is a schematic exploded bottom perspective view of a tool for a bushing replacement work according to a second embodiment of the present invention
  • Figure 5 Is a schematic longitudinal sectional view showing a state of use of a tool for bushing replacement work according to a second embodiment of the present invention.
  • the tool for replacing the bushing includes an upper adapter 100, a lower adapter 200 positioned at a lower end of the bushing 1, and an upper adapter 100. And a bolt 300 installed through the bushing 1 and the lower adapter 200 and a hydraulic actuator 400 fitted with an upper end of the bolt 300.
  • the upper adapter 100 further includes an upper groove 103 formed on an upper surface thereof.
  • the upper groove 103 is described below and serves to provide a place where the mounting disc 404 is installed to be attached to the hydraulic actuator 400 is fitted.
  • the hydraulic actuator 400 has a ram 400b installed at a lower portion of the cylinder 400a which is hydraulically operated, and a through hole 401 perpendicular to the center from an upper end of the cylinder 400a to a lower end of the ram 400b.
  • the upper adapter 100 is installed in the ram 400b, and the hydraulic pressure is supplied through the port on one side, and the bushing 1 is lowered while the ram 400b is lowered to the lower portion of the cylinder 400a. It acts to pressurize.
  • the through hole 401 serves to provide a passage through which the bolt 300 penetrates.
  • the hydraulic actuator 400 is a lower surface of the ram 400b and a helical coupling hole 402 formed around the through hole 401 and an outer circumferential surface of the spiral coupling hole 402 to be screwed to be adjustable in length.
  • Length adjustment rod 403 is formed in the thread
  • the mounting disk 404 is mounted to the lower end of the length adjustment rod 403 and the upper adapter 100 is installed on the lower surface
  • the bolt 300 penetrates It further includes an auxiliary through hole 405 formed through the center of the spiral coupling hole 402 and the mounting disc 404 so as to communicate with the through hole 401.
  • the spiral coupling hole 402 is to provide a place where the length adjustment rod 403 is screwed, the length adjustment rod 403 is the lower surface of the ram 400b the mounting disc 404 up and down It is to be installed with the length adjusted.
  • the mounting disc 404 is mounted in the inserted state in the upper groove 103 serves to assemble the upper adapter 100 and the hydraulic actuator 400.
  • the auxiliary through hole 406 serves to provide a passage through which the bolt 300 passes.
  • the hydraulic actuator 400 further includes a plurality of first magnets 406 attached to the bottom surface of the mounting disc 404.
  • the first magnet 406 is to allow the bottom surface of the mounting disc 404 to be bonded by magnetic force in a state of being inserted into the upper groove 103 of the upper adapter 100.
  • the hydraulic actuator 400 further includes a second magnet 407 attached to the upper surface of the cylinder 400a around the through hole 401.
  • the second magnet 407 is the upper surface of the cylinder 400a is magnetically bonded to a vehicle or other metal parts so that the cylinder 400a can be easily fixed.
  • This tool is configured such that the hydraulic actuator 400, the upper adapter 100 and the lower adapter 200 to the bushing (1) in the state that the vehicle member (5) is fixed to the bolt 300 and the nut (302) By operating the hydraulic actuator 400 in a fixed state by walking with) to the upper adapter 100 to remove or insert the bushing (1) from the vehicle member (5).
  • FIG. 6 is a schematic partial exploded perspective view of a tool for replacing a bushing according to a third embodiment of the present invention.
  • FIG. 7 is a bottom perspective view schematically illustrating a main portion of a tool for replacing a bushing according to a third embodiment of the present invention. Is a schematic longitudinal sectional view showing a state of use of a tool for replacing a bushing according to a third embodiment of the present invention.
  • the hydraulic actuator 400 of the bushing replacement tool further includes a spiral portion 408 formed on the outer circumferential surface of the cylinder 400a to be helically coupled. .
  • the tool is a support portion 501 is installed to the lower side of the lower adapter 200, the support portion 502 coupled to the spiral portion 408 to the upper side of the support portion 501, and the support portion And a bracket 500 having a pair of frames 503 attached between the 501 and the support 502, and a through hole 504 formed in the support 501 to allow the bushing 1 to pass therethrough. do.
  • the bracket 500 configured as described above serves to support the cylinder 400a through the frame 503 and the support 502 to the upper portion of the support 501.
  • the support 502 is screwed to the spiral portion 408 of the cylinder 400a to adjust the vertical position of the cylinder 400a in correspondence with the support 502.
  • the bracket 500 further includes a plurality of third magnets 505 that are attached to the upper surface of the support part 501.
  • the third magnet 505 is to enable the multi-stage member 600 described below on the upper surface of the support 501 to be easily fixed to the upper surface of the support 500 by magnetic force.
  • the tool is a circular body 601 to be fitted into the through hole 504, a locking projection 602 formed around the upper end of the circular body 601 and caught on the upper surface of the support 501, and the circular body 601 has a multi-stage jaw 603 is formed in a multi-stage to narrow the inner diameter toward the lower side, the multi-stage member that is seated on the lower end of the lower adapter 200 having a different diameter to the multi-stage (603) ( 600).
  • the circular body 601 serves to provide a space in which the multi-stage jaw 603 is formed, and the locking jaw 602 has a lower surface thereof caught on an upper surface of the support part 501 to support the space.
  • the circular body 601 is to be easily assembled to the portion 501.
  • the multi-stage 603 allows the lower adapter 200 having different outer diameters to be seated on the upper surface thereof so that the bushing 1 can be easily replaced by simply supporting the vehicle members 5 having different diameters. To be assembled.
  • the tool configured as described above adjusts the vertical position of the cylinder 400a through the spiral part 408 and the support part 502 in the state where the hydraulic actuator 400 is mounted to the bracket 500 and the length thereof.
  • the hydraulic actuator 400, the upper adapter 100, the lower adapter 200 and the multi-stage member 600 By operating the hydraulic actuator 400 in a fixed state to the upper adapter 100, the bushing (1) is removed or inserted into the vehicle member (5).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

La présente invention concerne un outil permettant d'effectuer un travail de remplacement de douille, qui présente une structure simple et qui reçoit une douille libérée à partir d'un élément de véhicule afin de faciliter le montage et l'installation et réduire considérablement le temps et la main-d'œuvre nécessaires au remplacement de douille, et l'outil comprend: un adaptateur supérieur doté d'une rainure inférieure formée sur sa surface inférieure de telle sorte que l'extrémité supérieure d'une douille est adaptée à la surface inférieure et un trou traversant central formé dans le centre entre la surface supérieure et la rainure inférieure; un adaptateur inférieur de forme tubulaire longue avec une partie supérieure ouverte de telle sorte qu'un élément de véhicule destiné à fixer la douille soit maintenu sur l'extrémité supérieure et que la douille séparée de l'élément de véhicule soit libérée vers le bas et logée, et présentant une partie de fermeture formée sur la surface inférieure de façon à fermer la partie inférieure de celle-ci et un trou traversant inférieur formé, correspondant au trou traversant central, au centre de la partie de fermeture; et un boulon qui est fixé à travers le trou traversant inférieur, la gaine intérieure de la douille, et le trou traversant central dans un état dans lequel la partie de tête est maintenue sur la surface inférieure de la partie de fermeture, et où un écrou est couplé par vissage sur une partie exposée à la partie supérieure de l'adaptateur supérieur.
PCT/KR2017/004335 2017-04-24 2017-04-24 Outil pour travail de remplacement de douille WO2018199343A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/004335 WO2018199343A1 (fr) 2017-04-24 2017-04-24 Outil pour travail de remplacement de douille

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/004335 WO2018199343A1 (fr) 2017-04-24 2017-04-24 Outil pour travail de remplacement de douille

Publications (1)

Publication Number Publication Date
WO2018199343A1 true WO2018199343A1 (fr) 2018-11-01

Family

ID=63918343

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/004335 WO2018199343A1 (fr) 2017-04-24 2017-04-24 Outil pour travail de remplacement de douille

Country Status (1)

Country Link
WO (1) WO2018199343A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07186064A (ja) * 1993-12-28 1995-07-25 Bridgestone Corp 防振装置用交換治具
US20090106963A1 (en) * 2007-10-31 2009-04-30 Acciardo Jr Andrew T Kingpin bushing installation tool
KR20150019424A (ko) * 2013-08-14 2015-02-25 정해수 자동차의 콘트롤암 장착부싱 교체장치
KR20150089410A (ko) * 2014-01-27 2015-08-05 주식회사 에스엠모터스 부싱 교환 작업용 가변형 어댑터
KR101605798B1 (ko) * 2014-12-15 2016-04-01 한국항공우주산업 주식회사 부싱 압입 장치 및 방법
KR101746033B1 (ko) * 2015-11-06 2017-06-12 주식회사 에스엠모터스 부싱 교체 작업용 공구

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07186064A (ja) * 1993-12-28 1995-07-25 Bridgestone Corp 防振装置用交換治具
US20090106963A1 (en) * 2007-10-31 2009-04-30 Acciardo Jr Andrew T Kingpin bushing installation tool
KR20150019424A (ko) * 2013-08-14 2015-02-25 정해수 자동차의 콘트롤암 장착부싱 교체장치
KR20150089410A (ko) * 2014-01-27 2015-08-05 주식회사 에스엠모터스 부싱 교환 작업용 가변형 어댑터
KR101605798B1 (ko) * 2014-12-15 2016-04-01 한국항공우주산업 주식회사 부싱 압입 장치 및 방법
KR101746033B1 (ko) * 2015-11-06 2017-06-12 주식회사 에스엠모터스 부싱 교체 작업용 공구

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