WO2016122011A1 - Dispositif destiné à empêcher un boulon de se desserrer - Google Patents

Dispositif destiné à empêcher un boulon de se desserrer Download PDF

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Publication number
WO2016122011A1
WO2016122011A1 PCT/KR2015/000823 KR2015000823W WO2016122011A1 WO 2016122011 A1 WO2016122011 A1 WO 2016122011A1 KR 2015000823 W KR2015000823 W KR 2015000823W WO 2016122011 A1 WO2016122011 A1 WO 2016122011A1
Authority
WO
WIPO (PCT)
Prior art keywords
bolt
fastening hole
body portion
loosening prevention
counterweight
Prior art date
Application number
PCT/KR2015/000823
Other languages
English (en)
Korean (ko)
Inventor
김우현
최윤환
최영진
Original Assignee
볼보 컨스트럭션 이큅먼트 에이비
김우현
최윤환
최영진
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 볼보 컨스트럭션 이큅먼트 에이비, 김우현, 최윤환, 최영진 filed Critical 볼보 컨스트럭션 이큅먼트 에이비
Priority to PCT/KR2015/000823 priority Critical patent/WO2016122011A1/fr
Publication of WO2016122011A1 publication Critical patent/WO2016122011A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt

Definitions

  • the present invention relates to a bolt loosening prevention device, and more particularly, to prevent the bolt loosening of the counterweight for construction equipment that can prevent the bolt fastened to secure the counterweight to the construction equipment by the vibration generated during operation Relates to a device.
  • Counterweight which is applied to construction equipment such as excavators, is a component for maintaining the weight balance of construction equipment and maintaining equipment stability in a working environment in which violent vibration occurs.
  • counterweights are mounted to the rear of construction equipment by bolting. At this time, a washer is interposed between the bolt and the counterweight to reduce the surface pressure between the bolt and the counterweight, and to secure the bolt fastening structure.
  • an object of the present invention is to prevent the phenomenon that the bolts fastened to secure the counterweight to the construction equipment by the vibration generated during operation can be released. It is to provide a bolt loosening prevention device of the counterweight for construction equipment.
  • the present invention the body portion formed in the form of a plate; And a first bolt fastening hole formed to open the upper and lower surfaces of the body portion, wherein an inner wall surface of the first bolt fastening hole is formed of a polygonal surface, and is fitted to the first bolt fastening hole.
  • a bolt loosening prevention device characterized in that restraining the movement of the head of the bolt.
  • the inner wall surface of the first bolt fastening hole is formed in contact with the head portion of the first bolt, and in contact with one side of the contact surface in the form of forming an angle with the contact surface, the first bolt It may be made of a separation plane spaced apart from the head.
  • the inner wall surface of the first bolt fastening hole may be formed by successively repeating a pair of contact surfaces and a pair of spaced apart surfaces forming an angle sequentially.
  • a second bolt fastening hole to which the second bolt is fastened to restrain the movement of the body part may be formed to open the upper and lower surfaces of the body part.
  • the second bolt fastening hole may be formed as a long hole wider than the diameter of the tail portion of the second bolt.
  • a tooth structure may be formed on one side of the outer circumferential surface of the body portion.
  • the sawtooth structure is arranged to engage with the sawtooth structure of the neighboring body portion, it can prevent the rotation of each other.
  • the bolt fastened to secure the counterweight to the construction equipment can be prevented from being initially loosened by the vibration generated during the work, thereby suppressing the flow of the counterweight during the work.
  • the loosening torque may be applied in the same way as the tightening torque of the bolt, so that the counterweight can be easily or smoothly removed. Can be done.
  • FIG. 1 is a perspective view showing a bolt loosening prevention apparatus according to an embodiment of the present invention.
  • Figure 2 is a perspective view showing a fastening structure of the bolt loosening prevention device according to an embodiment of the present invention.
  • Figure 3 is a perspective view of the bolt loosening prevention apparatus according to another embodiment of the present invention.
  • Figure 4 is a perspective view showing a fastening structure of the bolt loosening prevention device according to another embodiment of the present invention.
  • the bolt loosening prevention device 100 in order to maintain the weight balance of the construction equipment, for example, excavators in a working environment in which violent vibration is generated, an excavator When the counterweight 30 is mounted at the end of the bolt through the fastening, the device prevents the bolt from being released by the vibration generated during the work.
  • the bolt loosening prevention device 100 is formed to include a body portion 110 and the first bolt fastening hole 120.
  • Body portion 110 is a member forming the appearance of the bolt loosening prevention device 100, it is made of a plate-like plate (plate) form.
  • the body part 110 provides a space for forming the first bolt fastening hole 120.
  • the body portion 110 is disposed between the bolts, for example, the first bolt 10 and the counterweight 30 to reduce the contact pressure between the first bolt 10 and the counterweight 30. And it serves to solidify the fastening structure of the first bolt 10 and the counterweight (30). That is, the body portion 110 may serve as a conventional washer.
  • the body portion 110 and the counterweight A separate washer may be arranged between 30).
  • the first bolt fastening hole 120 is a hole for fitting the first bolt 10 to the body portion 110.
  • the first bolt fastening hole 120 is formed on one side of the body portion 110 in the form of opening the upper and lower surfaces of the body portion 110.
  • the first bolt fastening hole 120 according to an embodiment of the present invention, the inner wall surface is made of a polygonal surface.
  • the inner wall surface of the first bolt fastening hole 120 may be formed of the contact surface 121 and the separation surface 122.
  • the contact surface 121 is a surface that is in close contact with the head of the first bolt 10, the outer peripheral surface of the side forming a hexagonal surface Is defined.
  • the separation surface 122 is a surface that is formed on one side of the contact surface 121 in a form forming an angle with the contact surface 121, is defined as a surface spaced apart from the head of the first bolt (10).
  • the adhesion surface 121 when the adhesion surface 121 is referred to as a reference, one side of the adhesion surface 121 is connected to the separation surface 122 is formed, the other adhesion surface 121 is formed on the other side of the adhesion surface 121 is continued. Similarly, in view of the separation surface 122, the contact surface 121 is formed on one side of the separation surface 122, and the other separation surface 122 is formed on the other side of the separation surface 122.
  • the inner wall surface of the first bolt fastening hole 120 is made of a combination of a plurality of contact surfaces 121 and the spaced surface 122 as described above, each in the form of an angle
  • a pair of close contact surfaces 121 formed to be adjacent to each other, and a pair of spaced apart surfaces 122 formed to be connected to each other in a similar shape to form an angle may be formed in succession repeatedly. Accordingly, the head of the first bolt 10 is fitted to the first bolt fastening hole 120 to be in close contact with the contact surface 121 of the first bolt fastening hole 120, the movement is constrained.
  • the first bolt 10 to fasten the counterweight 30 to the construction equipment through the bolt loosening prevention device 100 according to an embodiment of the present invention in a direction to be released by vibration generated during operation of the construction equipment.
  • the head of the first bolt 10 is spaced apart from the close contact surface 121, and the close contact with the separation surface 122, the movement is constrained. That is, as in an embodiment of the present invention, when the inner wall surface of the first bolt fastening hole 120 is formed of a polygonal surface made of a combination of the contact surface 121 and the separation surface 122, the first bolt 10 Is rotated slightly in the release direction, further subsequent rotation, i.e., complete loosening of the first bolt 10 can be prevented.
  • the bolt loosening prevention device 100 is formed including a second bolt fastening hole (130).
  • the second bolt fastening hole 130 is a hole to which the second bolt 20 for restraining the movement of the body part 110 is fastened, and the upper surface of the body part 110 on one side of the first bolt fastening hole 120. It is formed in the form of opening the lower surface.
  • the second bolt fastening hole 130 may be formed as a long hole wider than the diameter of the tail portion of the second bolt (20). As such, when the second bolt fastening hole 130 is formed as a long hole, it is not necessary to accurately position the fastening hole (not shown) of the counterweight 30 and the second bolt fastening hole 130. It is possible to improve the workability of the work of fastening the 20 to the counterweight 30.
  • the first bolt fastening hole 120 serves to fasten the fastening passage of the first bolt 10 used to mount the counterweight 30 to the construction equipment and to fix it
  • the second bolt fastening hole 130 serves as a fastening passage of the second bolt 20 used to fasten the body 110 to the counterweight 30.
  • the bolt loosening prevention device 100 is the body portion 110, the first bolt fastening hole 120 and the body portion (preventing the rotation of the first bolt 10) ( It is formed including a second bolt fastening hole 130 is fastened to the second bolt 20 to restrain the movement of 110.
  • the bolt loosening prevention device 100 may prevent the first bolt 10 from being initially finely loosened by vibration generated during operation, more specifically, during construction equipment operation. That is, the bolt loosening prevention device 100 may prevent the loosening of the first bolt 10, thereby suppressing the flow of the counterweight 30.
  • the flow of the counterweight 30 is consequently suppressed by the bolt loosening prevention device 100 as described above, breakage of the first bolt 10 is prevented, and the counter is damaged due to breakage of the first bolt 10.
  • the weight 30 can be prevented from being separated from the construction equipment, through which, it is possible to stably maintain a safe working environment.
  • the second bolt 20 for fixing the body portion 110 to the counterweight 30 these Separate from. Then, if the body portion 110 that is fitted to the head of the first bolt 10 is removed from the head of the first bolt 10, that is, the bolt loosening prevention device ( When the 100 is removed, first, only the fastening structure between the first bolt 10, the counterweight 30, and the construction equipment in which the first bolt 10 is fastened remains. That is, when the counterweight 30 is mounted on the construction equipment, when the bolt loosening prevention device 100 according to an embodiment of the present invention is used, the first bolt for removing the counterweight 30 after the construction equipment is operated. (10) It is possible to apply the same loosening torque as the tightening torque when the first bolt 10 when the separation, it is possible to easily or smoothly remove the counterweight (30).
  • FIG 3 is a perspective view showing a bolt loosening prevention apparatus according to another embodiment of the present invention
  • Figure 4 is a perspective view showing a fastening structure of the bolt loosening prevention apparatus according to another embodiment of the present invention.
  • the bolt loosening prevention apparatus 200 is formed including a body portion 210 and the first bolt fastening hole (120).
  • Another embodiment of the present invention compared to the embodiment of the present invention, instead of omitting the second bolt fastening hole of one embodiment of the present invention, only the difference in that the tooth structure is formed, for the same components
  • the same reference numerals are given, and detailed description thereof will be omitted.
  • a tooth structure 211 is formed on one side of the outer circumferential surface of the body portion 210 according to another embodiment of the present invention.
  • the tooth structure 211 is arranged to engage with the tooth structure 211 of the other body portion 210 neighboring, thereby preventing rotation of each other.
  • the vibration is generated during the operation of the construction equipment, to the body portion 210 of the left side (based on the drawing), the first bolt 10 is fastened to the direction in which it is released
  • rotation is suppressed by the tooth structure 211 of the right side (based on the drawing) body portion 210 engaged with the tooth structure 211 thereof, and the force is the right body portion 210.
  • the tooth structure 211 engaged with each other due to the tooth structure 211 engaged with each other, the movement of each body portion 210 is inhibited.
  • the tooth structures 211 meshed with each other prevent the operation of each body portion 210 in the unwinding direction of the first bolt 10 fastened to each body portion 210. Through this, even if vibration generated during operation of construction equipment is transmitted to the first bolt 10 and the body portion 210, the body portion 210 fixing the first bolt 10 is moved by the tooth structure 211. Since it is suppressed, the phenomenon which the 1st bolt 10 loosens by vibration can be prevented.
  • the bolt loosening prevention apparatus 200 like the bolt loosening prevention apparatus 100 according to an embodiment of the present invention, prevents bolt loosening, thereby stably maintaining a safe working environment. To contribute.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

La présente invention concerne un dispositif destiné à empêcher un boulon de se desserrer et, plus particulièrement, un dispositif destiné à empêcher un boulon d'un contrepoids pour équipement de construction de se desserrer, qui peut empêcher un phénomène qu'un boulon fixé pour fixer le contrepoids à l'équipement de construction est desserré au moyen d'une vibration se produisant pendant le fonctionnement. À cet effet, la présente invention concerne un dispositif destiné à empêcher un boulon de se desserrer, comprenant : une partie corps présentant une forme de plaque; et un premier trou de fixation de boulon passant à travers les surfaces supérieure et inférieure de la partie corps, la surface de paroi interne du premier trou de fixation de boulon étant formée dans une forme polygonale, empêchant ainsi le mouvement de la tête d'un premier boulon ajusté dans le premier trou de fixation de boulon.
PCT/KR2015/000823 2015-01-27 2015-01-27 Dispositif destiné à empêcher un boulon de se desserrer WO2016122011A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2015/000823 WO2016122011A1 (fr) 2015-01-27 2015-01-27 Dispositif destiné à empêcher un boulon de se desserrer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2015/000823 WO2016122011A1 (fr) 2015-01-27 2015-01-27 Dispositif destiné à empêcher un boulon de se desserrer

Publications (1)

Publication Number Publication Date
WO2016122011A1 true WO2016122011A1 (fr) 2016-08-04

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PCT/KR2015/000823 WO2016122011A1 (fr) 2015-01-27 2015-01-27 Dispositif destiné à empêcher un boulon de se desserrer

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WO (1) WO2016122011A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2554364A (en) * 2016-09-21 2018-04-04 Otegui Van Leeuw Jon Safety locking system design
CN108071654A (zh) * 2016-11-16 2018-05-25 孙愉后 用于紧固件的防松装置
US20210396269A1 (en) * 2020-06-23 2021-12-23 InSitu, Inc., a subsidiary of the Boeing Company Retention washers, propeller retention systems, and related methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527161U (ja) * 1991-09-06 1993-04-09 日立建機株式会社 建設機械のカウンターウエイト装置
JPH06300023A (ja) * 1993-04-15 1994-10-25 Hitachi Constr Mach Co Ltd 建設機械等におけるカウンタウエイトの取り付け装置
JP2002146842A (ja) * 2000-11-09 2002-05-22 Hitachi Constr Mach Co Ltd 建設機械のカウンタウエイト
US20020110437A1 (en) * 2001-02-13 2002-08-15 Kanji Kirimoto Screw retention device
US20020119027A1 (en) * 2001-02-23 2002-08-29 Daisuke Nago Anti-rotation clip for screw retention

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527161U (ja) * 1991-09-06 1993-04-09 日立建機株式会社 建設機械のカウンターウエイト装置
JPH06300023A (ja) * 1993-04-15 1994-10-25 Hitachi Constr Mach Co Ltd 建設機械等におけるカウンタウエイトの取り付け装置
JP2002146842A (ja) * 2000-11-09 2002-05-22 Hitachi Constr Mach Co Ltd 建設機械のカウンタウエイト
US20020110437A1 (en) * 2001-02-13 2002-08-15 Kanji Kirimoto Screw retention device
US20020119027A1 (en) * 2001-02-23 2002-08-29 Daisuke Nago Anti-rotation clip for screw retention

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2554364A (en) * 2016-09-21 2018-04-04 Otegui Van Leeuw Jon Safety locking system design
CN108071654A (zh) * 2016-11-16 2018-05-25 孙愉后 用于紧固件的防松装置
US20210396269A1 (en) * 2020-06-23 2021-12-23 InSitu, Inc., a subsidiary of the Boeing Company Retention washers, propeller retention systems, and related methods

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