EP3246514A1 - Élément de coupe pour un outil d'éjection de tambour de rouleau de fraisage - Google Patents

Élément de coupe pour un outil d'éjection de tambour de rouleau de fraisage Download PDF

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Publication number
EP3246514A1
EP3246514A1 EP16170549.6A EP16170549A EP3246514A1 EP 3246514 A1 EP3246514 A1 EP 3246514A1 EP 16170549 A EP16170549 A EP 16170549A EP 3246514 A1 EP3246514 A1 EP 3246514A1
Authority
EP
European Patent Office
Prior art keywords
cutting element
piston
element holder
face
actuating member
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP16170549.6A
Other languages
German (de)
English (en)
Inventor
Henri Wiertz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP16170549.6A priority Critical patent/EP3246514A1/fr
Publication of EP3246514A1 publication Critical patent/EP3246514A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/188—Mining picks; Holders therefor characterised by adaptations to use an extraction tool

Definitions

  • the clamping sleeve is located on the opposite of the carbide tip. It can have the form of a cylinder or a cone and will cover a part of the steel body of the pick in order to ensure the pick rotation by reducing as much as possible the risk of having damages linked to the breakage of the sleeve and/or the picks.
  • This tool is provided with a handle which includes a battery for supplying electrical current to an electric motor contained in a housing attachment directly connected to the handle.
  • said housing is provided with a first part and a second part, opposite to the first part, the first part secured on the second face of said cutting element holder.
  • said housing has at least one holding means configured to be secured on said second face of said cutting element holder.
  • said at least one support means located on the second face of said cutting element holder defines a positioning zone for holding said first part of said housing.
  • said second end of said actuating member is hold by a receiving means configured to be fixed on said first surface of said support element.
  • the first rest position of the piston corresponds to a position where the end of the piston can be away from the cutting element or can engage the cutting element.
  • the piston can be linearly movable or movable along a curved line.
  • Figure 1 illustrates a portion of a milling roller drum which comprises a cutting arrangement suitable for road construction.
  • the cutting arrangement comprises a hollow cylinder 3, forming a support element, one cutting element 2 and one cutting element ejection tool in the type of the present invention.
  • the cutting element ejection tool comprises a cutting element holder 1 which is secured on hollow cylinder 3.
  • the cutting element holder 1 has a first face 1 a and a second face 1 b.
  • First face 1 a of cutting element holder 1 is provided with the cutting element, which can have the form of a pick 2.
  • the hollow cylinder has a first external surface 3a and a second internal surface 3b (see figure 4 ).
  • Second face 1 b of cutting element holder 1 is provided with an opening 7 for piston 6.
  • Piston 6 is in its first rest position and is configured to be movable from this first rest position to a second ejection position, relative to actuating member 4, when the pressurised fluid system is operated.
  • piston 6 can enter into contact with the back of pick 2, when piston 6 is moved from its first rest position to its second ejection position.
  • piston 6 is linearly movable from said first rest position to said second ejection position.
  • Second end 4b of actuating member 4 is hold by a receiving means 11 having a U shape.
  • Receiving means 11 is fixed on first surface 3a of hollow cylinder 3.
  • actuating member 4 is received in a housing 8 and fixed to it.
  • Housing 8 has a first part 8a and a second part 8b, opposite to first part 8a.
  • Housing 8 has two indents 8e, opposite to each other, which are engaged by receiving means 11. This enables to held actuating member 4.
  • pressurised fluid system (not illustrated) enables delivery of a fluid such as air or oil into actuating member 4 enabling displacement of piston 6 from its first rest position to its second ejection position.
  • piston 6 After ejection of pick 2, piston 6 resets into the first rest position and a new pick 2 can be placed on first face 1 a of cutting element holder 1. Pick 2 itself can reset piston 6.
  • housing 8 may comprise at least one holding means 9, preferably two.
  • Housing 8 may have an internal wall for receiving and protecting actuating member 4.
  • second face 1 b of the cutting element holder comprises at least one support means.
  • the pressurised fluid system may comprise one of a hydraulic system and a pneumatic system.
  • Passage 7 located on second face 1 b of cutting element holder 1 can be an opening, such as a hole.
  • Connecting member 12 can be fixed on the internal surface or can extend through the support element as described with reference to figure 2 below.
  • the cutting arrangement may comprise a support element 3 in the form of a hollow cylinder, a plurality of cutting elements 2 and a plurality of cutting element holders 1 according to the present invention, where each cutting element holder 1 retains its respective cutting element.
  • piston 6 can be located just behind pick 2 and be in its first rest position.
  • piston 6 In that first rest position, piston 6 is not in direct contact with pick 2. However, in a preferred embodiment, pick 2 can be in contact with piston 6 in that first rest position. Operating the pressurised fluid system (not illustrated) will enable displacement of piston 6 from its first rest position to its second ejection position, where the end of piston 6 will enter into contact with the back of pick 2 and ejects the latter from cutting element holder 1.
  • Figures 1 and 2 are dedicated to a milling roller drum including a hollow cylinder 3 as the support element.
  • the support element may be a solid structure.
  • Support element 3 may comprise a solid structure wherein the connection are on the outside or have the shape of a cylinder, a rectangle or other geometrical shape.
  • FIG. 3 illustrates the same elements as the one disclosed for the preceding figures.
  • Figure 4 illustrates an additional view of the milling roller drum illustrated in figures 1 and 2 ; and comprises thereby the same elements.
  • first end 12a of connecting member 12 is secured on second internal surface 3b of hollow drum 3.
  • Figure 5 illustrated an additional view which indicates the same elements as disclosed previously in figures 1 and 2 and is here focused on second part 8b of housing 8.
  • Figure 6 illustrates an additional embodiment of the cutting element ejection tool of the type in the present invention, when fixed to a portion of a milling roller drum, and thus comprising a cutting arrangement suitable for road construction.
  • the cutting arrangement comprises a hollow cylinder 3, forming a support element; one cutting element 2; and one cutting element ejection tool of the type in the present invention.
  • the cutting element ejection tool includes a cutting element holder 1, which is secured upon the hollow cylinder 3.
  • the cutting element holder 1 has a first face 1 a, and a second face 1 b.
  • the first face 1 a of the cutting element holder 1 holds the cutting element, which can have the form of pick 2.
  • the hollow cylinder has a first external surface 3a, and a second internal surface 3b (not illustrated).
  • the first external surface includes a hollow 13, closable by shutter 14.
  • the cutting element ejection tool of this additional preferred embodiment of the present invention has, in addition, an actuating member 4, which has a first end 4a, and a second end 4b (see figure 7 ).
  • the first end 4a of actuating member 4 is provided with a piston 6 (not illustrated), and the second end 4b of actuating member 4, is connected to a pressurised fluid system or an electromagnetic system, by means of a connecting member 12.
  • Cutting element holder 1 is provided on its surface with an opening 7 for piston 6.
  • Piston 6 is in its first rest position here, and is configured to be movable from this first rest position, to a second ejection position, relative to actuating member 4, when the pressurised fluid system, or the electromagnetic system, is operated.
  • piston 6 is linearly movable from said first rest position, to said second ejection position.
  • Hollow 13 of the first external surface is configured to receive second end 4b of actuating member 4, and connecting member 12.
  • shutter 14 when shutter 14 covers hollow 13, it also covers a part of actuating member 4.
  • pressurised fluid system (not illustrated), enables delivery of fluid such as air or oil into actuating member 4, enabling displacement of piston 6 from its first rest position, to its second ejection position.
  • Piston 6 then moves to the second ejection position and is introduced into passage 7, present on the second face 1 b of cutting element holder 1, in order to reach the back of pick 2. In that way, pick 2 can be ejected from cutting element holder 1.
  • piston 6 After ejection of pick 2, piston 6 resets to its first rest position, and a new pick 2 can be placed on the first face 1 a of cutting element holder 1. The pick itself can reset the piston.
  • the pressurised fluid system may be either one of a hydraulic system type or a pneumatic system type.
  • Passage 7 located on the second face 1 b of cutting element holder 1, can be an opening, such as a simple hole.
  • Connecting member 12 can be fixed on the internal surface, or can extend through the support element, as described with reference to figure 2 below.
  • the cutting arrangement may comprise a support element 3 in the form of a hollow cylinder; a plurality of cutting elements 2; or a plurality of cutting element holders 1 of the type in present invention, where each cutting element holder 1 retains its respective cutting element.
  • operating the pressurised system will enable the ejection of all cutting elements 2 from their respective cutting element holders 1, at the same time, and this is highly advantageous.
  • all the cutting elements 2 are directly connected to a single pressurised system or a single electromagnetic system.
  • pressurised systems or electromagnetic systems may be used.
  • Figure 7 illustrates elements identical to the one described for figure 6 .
  • Figure 8 is an illustration of a cutting element holder 1 provided with a cutting element 2.
  • the cutting element holder comprises two main parts: The first part 1 a corresponds to the first face 1 a of the cutting element holder; and the second part 1 b corresponds to the second face 1 b of cutting element holder 1.
  • the first part 1a comprises a protuberance 14, which is provided with an opening 7, configured to receive the piston located in the actuating member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Road Repair (AREA)
EP16170549.6A 2016-05-20 2016-05-20 Élément de coupe pour un outil d'éjection de tambour de rouleau de fraisage Withdrawn EP3246514A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16170549.6A EP3246514A1 (fr) 2016-05-20 2016-05-20 Élément de coupe pour un outil d'éjection de tambour de rouleau de fraisage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16170549.6A EP3246514A1 (fr) 2016-05-20 2016-05-20 Élément de coupe pour un outil d'éjection de tambour de rouleau de fraisage

Publications (1)

Publication Number Publication Date
EP3246514A1 true EP3246514A1 (fr) 2017-11-22

Family

ID=56068731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16170549.6A Withdrawn EP3246514A1 (fr) 2016-05-20 2016-05-20 Élément de coupe pour un outil d'éjection de tambour de rouleau de fraisage

Country Status (1)

Country Link
EP (1) EP3246514A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020168431A1 (fr) * 2019-02-22 2020-08-27 Gordon G Dennis Appareil de retrait de dents de lame d'une niveleuse

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8181322B2 (en) 2008-05-26 2012-05-22 Wirtgen Gmbh Tool for removing a chisel
WO2012082136A1 (fr) * 2010-12-17 2012-06-21 Sulosky William P Ensemble bloc de support pour un outil de coupe ayant un piston hydraulique et procédé
US20160032723A1 (en) * 2007-07-02 2016-02-04 Wirtgen Gmbh Tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160032723A1 (en) * 2007-07-02 2016-02-04 Wirtgen Gmbh Tool
US8181322B2 (en) 2008-05-26 2012-05-22 Wirtgen Gmbh Tool for removing a chisel
WO2012082136A1 (fr) * 2010-12-17 2012-06-21 Sulosky William P Ensemble bloc de support pour un outil de coupe ayant un piston hydraulique et procédé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020168431A1 (fr) * 2019-02-22 2020-08-27 Gordon G Dennis Appareil de retrait de dents de lame d'une niveleuse

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