FR2293633A1 - Dispositif amortisseur pour bras pivotants - Google Patents

Dispositif amortisseur pour bras pivotants

Info

Publication number
FR2293633A1
FR2293633A1 FR7533384A FR7533384A FR2293633A1 FR 2293633 A1 FR2293633 A1 FR 2293633A1 FR 7533384 A FR7533384 A FR 7533384A FR 7533384 A FR7533384 A FR 7533384A FR 2293633 A1 FR2293633 A1 FR 2293633A1
Authority
FR
France
Prior art keywords
damping
hydraulic cylinder
arm
jib
tap hole
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.)
Granted
Application number
FR7533384A
Other languages
English (en)
Other versions
FR2293633B1 (fr
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.)
Dango and Dienenthal KG
Original Assignee
Dango and Dienenthal KG
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 Dango and Dienenthal KG filed Critical Dango and Dienenthal KG
Publication of FR2293633A1 publication Critical patent/FR2293633A1/fr
Application granted granted Critical
Publication of FR2293633B1 publication Critical patent/FR2293633B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/12—Opening or sealing the tap holes
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/22—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Shovels (AREA)
  • Jib Cranes (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7533384A 1974-12-04 1975-10-31 Dispositif amortisseur pour bras pivotants Granted FR2293633A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742457166 DE2457166C3 (de) 1974-12-04 1974-12-04 Dämpfungsvorrichtung für schwenkbare Ausleger

Publications (2)

Publication Number Publication Date
FR2293633A1 true FR2293633A1 (fr) 1976-07-02
FR2293633B1 FR2293633B1 (fr) 1979-06-15

Family

ID=5932394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7533384A Granted FR2293633A1 (fr) 1974-12-04 1975-10-31 Dispositif amortisseur pour bras pivotants

Country Status (4)

Country Link
AT (1) AT350598B (fr)
DE (1) DE2457166C3 (fr)
FR (1) FR2293633A1 (fr)
LU (1) LU73920A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106870617A (zh) * 2017-03-27 2017-06-20 苏州市顺仪五金有限公司 一种铰接缓冲组件

Also Published As

Publication number Publication date
LU73920A1 (fr) 1976-07-01
AT350598B (de) 1979-06-11
DE2457166B2 (de) 1978-06-01
DE2457166A1 (de) 1976-06-10
FR2293633B1 (fr) 1979-06-15
ATA880475A (de) 1978-11-15
DE2457166C3 (de) 1979-02-08

Similar Documents

Publication Publication Date Title
ES264691U (es) Martillo hidraulico perfeccionado.
GB1509357A (en) Hydraulically driven striking device
ES461657A1 (es) Perfeccionamientos en aparatos hidraulicos de percusiones.
ES446108A1 (es) Perfeccionamientos en aparatos de percusion hidraulicos.
ES431349A1 (es) Perfeccionamientos en aparatos rotopercusores hidraulicos con autorregulacion.
GB1498305A (en) Hydraulic rock drilling apparatus
FR2293633A1 (fr) Dispositif amortisseur pour bras pivotants
US2094124A (en) Drilling mechanism
EP0022865A4 (fr) Foreuse de profondeur a commande hydraulique.
GB1149478A (en) Improvements in pressure fluid actuated drill steel centralizer
GB1329286A (en) Ring drilling device
CN206707618U (zh) 一种冲击旋转钻具
GB1129349A (en) Improvements in or relating to drilling apparatus
RU97112630A (ru) Анкерный бурильный молоток
SU79134A1 (ru) Гидравлический регул тор подачи инструмента при вращательном бурении
US2567039A (en) Tong assembly
US2321475A (en) Rock drill
CN210289669U (zh) 一种石油修井机作业专用油管钳
CN103485810B (zh) 一种带反外抓的锚索锚固端装置及锚固方法
CN207921025U (zh) 一种捣固车拨道油缸
CN220267627U (zh) 一种凿岩台车自动接杆机构的夹钎器
SU99931A1 (ru) Устройство дл бурени скважин большого диаметра
GB993365A (en) Blast furnace tapping rig and method
SU663831A1 (ru) Гидравлическа бурова головка ударновращательного действи
SU1180481A1 (ru) Телескопическа бурильна штанга

Legal Events

Date Code Title Description
ST Notification of lapse