Conveyors: fluid current – Intake to fluid current conveyor – Terminal type
Patent
1984-04-13
1985-10-15
Nase, Jeffrey V.
Conveyors: fluid current
Intake to fluid current conveyor
Terminal type
292173, 292201, 251298, 406192, B65G 5358
Patent
active
045470995
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to pneumatic conveyers and, more particularly, to the gate of its pipeline.
It is most expedient to mount the gate made in accordance with the present invention as a terminal gate in pipe-lines of a pneumatic conveyer used for transporting books in libraries.
It is possible to use the gate of the present invention in pipe-lines of pneumatic conveyers, having a relatively small cross-section.
BACKGROUND OF THE INVENTION
Known is a gate of the pipe-line of a pneumatic conveyer, comprising a damper overlapping the pipe-line cross-section and kinematically coupled with the drive movable link to turn it around an axle arranged on the pipe-line, and a pin trip kinematically coupled with an autonomous drive, said pin trip entering a hole made in the pipe-line close to where the damper is disposed to hold the latter in the closed state. Another pin trip coupled with its own drive serves to hold the damper in the open position.
In the afore-described gate of a pipe-line use is made of pin trips to hold the damper in the closed and open positions, each of said pin trips having its own drive. To ensure an accurate and reliable operation of the gate, use is made of an automatic control system synchronizing operation of all the drives, which complicates manufacture and operation of this gate.
DISCLOSURE OF THE INVENTION
The invention resides in provision of such a gate of the pipe-line of a pneumatic conveyer, in which the drive of the pin trip would be made so that it would allow to considerably simplify both manufacture of the pipe-line gate and its operation.
This task is accomplished by that in a gate of the pipe-line of a pneumatic conveyer, comprising a damper overlapping the pipe-line cross-section and kinematically coupled with a drive movable link to turn it about an axle disposed on the pipe-line, and a driven pin trip entering a hole made in the pipe-line to hold the damper in the closed position, according to the invention, the damper has a bracket secured thereon and in the kinematic chain coupling the damper with the drive there is an angular lever which is mounted so that it can turn through a limited angle, whose axle of turning is secured on the bracket parallel to the axle of turning of the damper, and whose one arm is connected to the drive movable link, and the damper has guides that are made thereon and that accomodate a pin trip which is kinematically coupled with the other arm of the angular lever.
The gate of the pipe-line of the pneumatic conveyer, built in accordance with the present invention, is simple in manufacture and provides for a turn of the damper and displacement of the pin trip with the aid of only one drive, which eliminates the necessity of having an automatic control system and, consequently, makes the gate simple in operation.
BRIEF DESCRIPTION OF THE DRAWINGS
The following description of a specific embodiment of the present invention is given with reference to the accompanying drawings, in which:
FIG. 1 shows a gate of the pipe-line, according to the invention, a side view with a partial extraction, the damper is overlapping the pipe-line;
FIG. 2 is ditto, the damper is turned to open the pipe-line;
FIG. 3 is a view along the arrow "A" in FIG. 1.
MODE FOR CARRYING OUT THE INVENTION
A gate of the pipe-line of a pneumatic conveyer comprises a damper 1 (FIGS. 1, 2) which overlaps the cross-section of a pipe-line 2 and is kinematically coupled with the movable link--a rod 3 of a power cylinder 4 serving as a drive for turning it relative to an axle 5. The axle 5 is mounted in a bracket 6 which is rigidly secured to the pipe-line 2. The damper 1 has ribs 7 which are rigidly connected thereto and by means of which it is mounted on the axle 5 so that it can turn relative to the latter. Rigidly secured between the ribs 7 of the damper 1 is a bracket 8. The kinematic chain connecting the gate I with the rod 3 of the power cylinder 4 comprises an angular lever 9 whose turning axle 10 is secured on the bracket 8 parallel to the ax
REFERENCES:
patent: 1924898 (1933-08-01), Anderson
patent: 2121596 (1938-06-01), Hill
patent: 2423937 (1947-07-01), Humes
patent: 3113352 (1963-12-01), Gibbs et al.
patent: 3207273 (1965-09-01), Jurin
patent: 3247990 (1966-04-01), Prescott
patent: 3998426 (1976-12-01), Isbester
Alexandrov Adolf M.
Bulginov Evgeny F.
Kiselev Igor V.
Yashin Jury A.
Nase Jeffrey V.
Spetsialnoe Konstruktorskoe Bjuro "Transprogress"
Williams L. E.
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