JPS6386189U - - Google Patents

Info

Publication number
JPS6386189U
JPS6386189U JP17982386U JP17982386U JPS6386189U JP S6386189 U JPS6386189 U JP S6386189U JP 17982386 U JP17982386 U JP 17982386U JP 17982386 U JP17982386 U JP 17982386U JP S6386189 U JPS6386189 U JP S6386189U
Authority
JP
Japan
Prior art keywords
casing
hammer
moved forward
pressure fluid
pressing plates
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.)
Pending
Application number
JP17982386U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP17982386U priority Critical patent/JPS6386189U/ja
Publication of JPS6386189U publication Critical patent/JPS6386189U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係わる空圧式打撃式掘進機の
一実施例を示す縦断側面図、第２図は第１図の矢
視―線に沿う縦断背面図、第３図は従来の空
圧打撃式掘進機を示す縦断側面図である。 １……押付板、４……圧力流体供給制御装置、
１０……ケーシング。 Fig. 1 is a vertical side view showing an embodiment of the pneumatic percussion excavator according to the present invention, Fig. 2 is a longitudinal cross-sectional rear view taken along the arrow line in Fig. 1, and Fig. 3 is a conventional pneumatic impact excavator. FIG. 2 is a vertical side view showing a percussion type excavator. 1... Pressing plate, 4... Pressure fluid supply control device,
10...Casing.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外部給気管から供給される掘進用高圧空気によ
りハンマーをケーシング内に往復動させて、同ケ
ーシングの前端部に設けたチジエルを打撃するこ
とにより前進を、同ケーシングの後部に設けた更
新打撃ブロツクを打撃することにより後進を、そ
れぞれ行う空圧打撃式掘進機において、前記ケー
シングの外周面の円周方向所定間隔位置に片開き
可能に設けた複数個の押付板と、同各押付板の内
面側に圧力流体を供給して同各押付板の開き量を
制御する圧力流体供給制御装置とを具えているこ
とを特徴とした空圧打撃式掘進機。 The hammer is reciprocated inside the casing using high-pressure air for excavation supplied from the external air supply pipe, and the hammer is moved forward by striking the chisel provided at the front end of the casing, and the renewal striking block provided at the rear of the casing is moved forward. In a pneumatic impact type excavator that moves backward by impact, a plurality of pressing plates are provided at predetermined intervals in the circumferential direction on the outer peripheral surface of the casing so as to be able to open on one side, and an inner side of each of the pressing plates is provided. 1. A pneumatic percussion type excavator, comprising: a pressure fluid supply control device for supplying pressure fluid to and controlling the amount of opening of each pressing plate.
JP17982386U 1986-11-25 1986-11-25 Pending JPS6386189U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17982386U JPS6386189U (en) 1986-11-25 1986-11-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17982386U JPS6386189U (en) 1986-11-25 1986-11-25

Publications (1)

Publication Number Publication Date
JPS6386189U true JPS6386189U (en) 1988-06-06

Family

ID=31123226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17982386U Pending JPS6386189U (en) 1986-11-25 1986-11-25

Country Status (1)

Country Link
JP (1) JPS6386189U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03194275A (en) * 1989-12-20 1991-08-23 Kyokuto Kaihatsu Kogyo Co Ltd Device for rearranging buried pipe and correcting its advancing direction
JPH03194276A (en) * 1989-12-20 1991-08-23 Kyokuto Kaihatsu Kogyo Co Ltd Device for rearranging buried pipe and correcting its advancing direction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03194275A (en) * 1989-12-20 1991-08-23 Kyokuto Kaihatsu Kogyo Co Ltd Device for rearranging buried pipe and correcting its advancing direction
JPH03194276A (en) * 1989-12-20 1991-08-23 Kyokuto Kaihatsu Kogyo Co Ltd Device for rearranging buried pipe and correcting its advancing direction

Similar Documents

Publication Publication Date Title
FR2375427A1 (en) PRESSURIZED FLUID DRIVEN PERCUSSION DRILLING TOOL
GB1275900A (en) A pressure fluid operated percussion tool
JPS6386189U (en)
JPH0124605B2 (en)
GB1164999A (en) Improvements relating to Silencing Means for Percussive Pneumatic Tools.
JPS6386190U (en)
JPS63176188U (en)
JPS63145990U (en)
JPS63145991U (en)
JPS641874U (en)
JPS61121294U (en)
JPH0237993U (en)
JPS6431192U (en)
JPS641873U (en)
JPS62864Y2 (en)
JPS6193561U (en)
JPS63161990U (en)
JPH0461150U (en)
JPS62163593U (en)
JPS641879U (en)
JPS6320503U (en)
JPH0318294U (en)
JPS61188638U (en)
JPS6389705U (en)
JPH0410294U (en)