JPS5777716A - Driving device for sand pile - Google Patents

Driving device for sand pile

Info

Publication number
JPS5777716A
JPS5777716A JP15283680A JP15283680A JPS5777716A JP S5777716 A JPS5777716 A JP S5777716A JP 15283680 A JP15283680 A JP 15283680A JP 15283680 A JP15283680 A JP 15283680A JP S5777716 A JPS5777716 A JP S5777716A
Authority
JP
Japan
Prior art keywords
cylinder
outer cylinder
vibrator
sand
piston rod
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
JP15283680A
Other languages
Japanese (ja)
Other versions
JPS5810528B2 (en
Inventor
Nakatomi Kurimoto
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 JP15283680A priority Critical patent/JPS5810528B2/en
Publication of JPS5777716A publication Critical patent/JPS5777716A/en
Publication of JPS5810528B2 publication Critical patent/JPS5810528B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

PURPOSE: To more firmly tamp sand pressed closely in an outer cylinder, by a method wherein a hydraulic cylinder for driving inner cylinders is mounted at the upper end of the outer cylinder, is secured through the piercing of the hollow piston rod of the hydraulic cylinder through a lower of a vibrator.
CONSTITUTION: Through the movement of a piston rod 2b to an upper limit position with a hydraulic cylinder 2 for driving inner cylinders actuated, vibration transmission means 20 and 22 are brought into an engaged state to monolithically unite a vibrator 4 with an outer cylinder 1. After the outer cylinder 1 and an inner cylinder 5 are inserted into a ground with the vibrator 4 operated, sand is charged through a hopper 9 into the outer cylinder 1. The vibrator 4 is disconnected from the outer cylinder 1 to vertically vibrate only the inner cylinder. Meanwhile, the upper limit position of the stroke of the hydraulic cylinder 2 is set at a somewhat lower level than that of the initial position, and the piston rod 2b is elevated to the extent that the vibration means are brought into no engaging state. This causes the inner cylinder 5 to vertically move independently from the vertical movement produced by the vibrator 4. The outer cylinder 1 is pulled off gradually as sand in the outer cylinder 1 is tamped by the inner cylinder 5.
COPYRIGHT: (C)1982,JPO&Japio
JP15283680A 1980-10-29 1980-10-29 sand pile creation equipment Expired JPS5810528B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15283680A JPS5810528B2 (en) 1980-10-29 1980-10-29 sand pile creation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15283680A JPS5810528B2 (en) 1980-10-29 1980-10-29 sand pile creation equipment

Publications (2)

Publication Number Publication Date
JPS5777716A true JPS5777716A (en) 1982-05-15
JPS5810528B2 JPS5810528B2 (en) 1983-02-26

Family

ID=15549187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15283680A Expired JPS5810528B2 (en) 1980-10-29 1980-10-29 sand pile creation equipment

Country Status (1)

Country Link
JP (1) JPS5810528B2 (en)

Also Published As

Publication number Publication date
JPS5810528B2 (en) 1983-02-26

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