CN206071986U - A kind of continuous casting long gate mechanical hand hydraulic device - Google Patents
A kind of continuous casting long gate mechanical hand hydraulic device Download PDFInfo
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- CN206071986U CN206071986U CN201620802077.5U CN201620802077U CN206071986U CN 206071986 U CN206071986 U CN 206071986U CN 201620802077 U CN201620802077 U CN 201620802077U CN 206071986 U CN206071986 U CN 206071986U
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Abstract
This utility model is related to a kind of continuous casting long gate mechanical hand hydraulic device, and it includes hand-operated direction valve, hydraulic control one-way valve, first throttle flow speed control valve, the second throttling flow speed control valve, pressure transmitter, air relief valve, the first adjustable sequence valve, the first check valve and hydraulic cylinder and the second check valve；It is characterized in that：Also set up the second adjustable sequence valve, sequence valve and ball valve；The oil-in of the second adjustable sequence valve is connected with the oil-out of the second check valve, and the oil-out of the second adjustable sequence valve is connected with the T hydraulic fluid ports of hand-operated direction valve；The oil-in of sequence valve is connected with the oil-out of the second check valve, and the oil-out of sequence valve is connected with the T hydraulic fluid ports of hand-operated direction valve；One end of ball valve is connected with the oil-out of the second check valve, and the other end is connected with the T hydraulic fluid ports of hand-operated direction valve.This continuous casting long gate mechanical hand hydraulic device realizes that hydraulic cylinder is steady, reliable action, and while overload protection, hydraulic cylinder also will not the action failure because of off-load.
Description
Technical field
This utility model is related to a kind of hydraulic means, in particular to a kind of continuous casting long gate mechanical hand hydraulic device.
Background technology
Now, general continuous casting long gate mechanical hand is divided into manual drive, air pressure and drives and hydraulic-driven.It is wherein artificial
Driving is wasted time and energy, is more fallen behind, and air pressure drives the stationarity and fixed reliability for being difficult to ensure that its action.
Hydraulic-driven is using more, but difficult point is the frictional force of washing away for being not easy to balance that molten steel flows through long nozzle, long
Ladle declines when ladle bottom is fixed at the mouth of a river overflow and it is stable after lasting pressurize be also control difficult point.In use, liquid
Although the too high pressurize for being conducive to long nozzle is fixed during casting of pressure system pressure, when ladle declines, overflow is difficult, is easily caused
The plastic deformation of mechanical arm, bend and fracture.Though hypotony solves flooding problems when ladle declines, it is because solid
It is fixed unreliable, easily there is mechanical hand drop and cause to open wide cast and block the accident of long nozzle.
The content of the invention
The technical problems to be solved in the utility model be to provide a kind of stable action, it is easily operated, continue reliable pressurize
Continuous casting long gate mechanical hand hydraulic device.
This continuous casting long gate mechanical hand hydraulic device include hand-operated direction valve, hydraulic control one-way valve, first throttle flow speed control valve,
Two throttle grverning valves, pressure transmitter, air relief valve, the first adjustable sequence valve, the first check valve and hydraulic cylinder and the second check valve；
The main oil-in of hydraulic control one-way valve is connected with the A hydraulic fluid ports of hand-operated direction valve, the oil-out of check valve and the second throttling flow speed control valve
Oil-out connects, and the oil-in of the second throttling flow speed control valve is connected with the oil-in of first throttle flow speed control valve, first throttle flow speed control valve
Oil-out is connected with the rodless cavity of hydraulic cylinder；Meanwhile, first throttle flow speed control valve, the second throttling flow speed control valve, hydraulic control one-way valve and handss
The oil circuit that the A hydraulic fluid ports of dynamic reversal valve are located is in parallel with check valve, the first adjustable sequence valve, check valve oil-in and manual reverse of direction
The T hydraulic fluid ports of valve access oil return pipe simultaneously, and the oil-in of the first adjustable sequence valve is connected with the oil-out of check valve, and first is adjustable suitable
The oil-out of sequence valve is connected with the T hydraulic fluid ports of hand-operated direction valve；The rod chamber of hydraulic cylinder is connected with the oil-out of the second check valve, should
The oil-in of valve is connected with the oil-out of air relief valve, and the oil-in of air relief valve accesses oil-feed simultaneously with the P hydraulic fluid ports of hand-operated direction valve
Pipe；It is characterized in that：
Also set up the second adjustable sequence valve, sequence valve and ball valve；
The oil-in of the second adjustable sequence valve is connected with the oil-out of the second check valve, the oil-out of the second adjustable sequence valve
It is connected with the T hydraulic fluid ports of hand-operated direction valve；The oil-in of sequence valve is connected with the oil-out of the second check valve, the oil-out of sequence valve
It is connected with the T hydraulic fluid ports of hand-operated direction valve；One end of ball valve is connected with the oil-out of the second check valve, the other end and hand-operated direction valve
T hydraulic fluid ports connection.
The beneficial effects of the utility model
This continuous casting long gate mechanical hand hydraulic device realizes that hydraulic cylinder is steady, reliable action, while overload protection
Hydraulic cylinder also will not fail because of off-load in action, so as to improve continuous casting protective casting operating rate, it is ensured that the direct motion of production,
Improve product quality.
Description of the drawings
Fig. 1 be the utility model proposes continuous casting long gate mechanical hand hydraulic device hydraulic schematic diagram.
Fig. 2 is hand-operated direction valve graphical diagram, is amplified with respect to Fig. 1.
Fig. 3 is the first adjustable sequence valve graphical diagram, is amplified with respect to Fig. 1.
Fig. 4 is air relief valve graphical diagram, is amplified with respect to Fig. 1.
Fig. 5 is the second adjustable sequence valve graphical diagram, is amplified with respect to Fig. 1.
Fig. 6 is sequence valve graphical diagram, is amplified with respect to Fig. 1.
Fig. 7 is that the attached of Fig. 1 helps figure.
In above-mentioned figure
1-long nozzle, 2-mechanical arm, 3-hydraulic cylinder, 4-column
5-first throttle flow speed control valve, the 6-the second throttling flow speed control valve, 7-hydraulic control one-way valve, 8-hand-operated direction valve, 9-the
One check valve,
10-the first adjustable sequence valve, 11-pressure transmitter, the 12-the second check valve, 13-air relief valve, 14-the second
Adjustable sequence valve, 15-sequence valve, 16-ball valve, 17-oil inlet pipe, 18-oil return pipe.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to embodiment and its accompanying drawing.Here needs
Illustrate, this utility model is understood for the explanation of embodiment is served only for help, do not constituted to restriction of the present utility model.
Embodiment
In the embodiment of Fig. 1 descriptions, this continuous casting long gate mechanical hand hydraulic device includes hand-operated direction valve 8, fluid-control one-way
Valve 7, the throttling flow speed control valve 6 of first throttle flow speed control valve 5, second, pressure transmitter 11, air relief valve 13, the first adjustable sequence valve 10, the
One check valve 9 and hydraulic cylinder 3 and the second check valve 12.The main oil-in of hydraulic control one-way valve 7 is connected with the A hydraulic fluid ports of hand-operated direction valve 8
Connect, the oil-out of check valve 7 is connected with the oil-out of the second throttling flow speed control valve 6, the oil-in and first of the second throttling flow speed control valve 6
The oil-in connection of throttle grverning valve 5,5 oil-out of first throttle flow speed control valve are connected with the rodless cavity of hydraulic cylinder 3；Meanwhile, first
Oil circuit and check valve that the A hydraulic fluid ports of the throttling flow speed control valve 6 of throttle grverning valve 5, second, hydraulic control one-way valve 7 and hand-operated direction valve 8 are located
9th, the first adjustable sequence valve 10 is in parallel, and 9 oil-in of check valve accesses oil return pipe 18 simultaneously with the T hydraulic fluid ports of hand-operated direction valve 8, the
The oil-in of one adjustable sequence valve 10 is connected with the oil-out of check valve 9, the oil-out of the first adjustable sequence valve 10 with change manually
Connect to the T hydraulic fluid ports of valve 8.
The rod chamber of hydraulic cylinder 3 is connected with the oil-out of the second check valve 12, the oil-in of the valve and going out for air relief valve 13
Hydraulic fluid port connects, and the oil-in of air relief valve 13 accesses oil inlet pipe 17 simultaneously with the P hydraulic fluid ports of hand-operated direction valve 8.
This utility model also sets up the second adjustable sequence valve 14, sequence valve 15 and ball valve 16
The oil-in of the second adjustable sequence valve 14 is connected with the oil-out of the second check valve 12, the second adjustable sequence valve 14
Oil-out is connected with the T hydraulic fluid ports of hand-operated direction valve 8；The oil-in of sequence valve 15 is connected with the oil-out of the second check valve 12, suitable
The oil-out of sequence valve 15 is connected with the T hydraulic fluid ports of hand-operated direction valve 8.One end of ball valve 16 is connected with the oil-out of the second check valve 12
Connect, the other end is connected with the T hydraulic fluid ports of hand-operated direction valve 8.
The course of work of the present embodiment is illustrated below.
When system pressure P is 20MPa, can be 10MPa by the pressure setting of air relief valve 10 [8], by the second adjustable order
Valve 14, the pressure of sequence valve 15 [6] are set as 11 MPa and 15 MPa, and the pressure of the first adjustable sequence valve 10 [9] is set as
22 MPa。
When operation hand-operated direction valve 8 is to a positions, hydraulic control one-way valve 7 is opened by pressure oil, 3 rodless cavity pressure release of hydraulic cylinder, pressure
Power oil is supplied to the rod chamber of hydraulic cylinder 3 through air relief valve 13, and hydraulic cylinder 3 drives long nozzle 1 to rise；Hand-operated direction valve 8 is operated to b
During position, pressure oil is supplied to the rodless cavity pressure release of hydraulic cylinder 3, hydraulic cylinder through the throttling flow speed control valve 6 of first throttle flow speed control valve 5 second
The fluid of 3 rod chambers flows back to fuel tank through the second adjustable sequence valve 14 or sequence valve 15, and now hydraulic cylinder 3 is driven under long nozzle 1
Drop；When hand-operated direction valve 8 switches to middle position or a positions, big bag compressing machinery subordinate drop, the fluid in hydraulic cylinder 3 is through adjustable
Sequence valve 14,15 or the first adjustable sequence valve of sequence valve, 10 pressure release, ensure that the long nozzle 1 will not so as to protect while mechanical hand
Drop.
Reversely installed using first throttle flow speed control valve 5 and the second throttling flow speed control valve 6 in pairs simultaneously, to adjust during lifting
Speed.9 Compositional balance valve of first adjustable sequence valve 10 and the first check valve, eliminates and alleviates the impact of 3 action of hydraulic cylinder, prevent
Long nozzle 1 is collided with damage.Ball valve 16 can play a part of pressure release in maintenance, prevent fluid splash from injuring.
Dotted line in Fig. 1 represents oil circuit control or pressure release oil circuit.
For the ease of implementing, this continuous casting long gate mechanical hand hydraulic device is described in detail, referring to Fig. 7.
Hand-operated direction valve symbol is shown in Fig. 2, and the first adjustable sequence valve symbol is shown in Fig. 3, and air relief valve symbol is shown in Fig. 4,
Second adjustable sequence valve symbol is shown in Fig. 5, and sequence valve symbol is shown in Fig. 6.
Claims (1)
1. a kind of continuous casting long gate mechanical hand hydraulic device, it includes hand-operated direction valve（8）, hydraulic control one-way valve（7）, first throttle
Flow speed control valve（5）, second throttling flow speed control valve（6）, pressure transmitter（11）, air relief valve（13）, the first adjustable sequence valve（10）, first
Check valve（9）With hydraulic cylinder（3）With the second check valve（12）；Hydraulic control one-way valve（7）Main oil-in and hand-operated direction valve（8）'s
A hydraulic fluid ports connect, check valve（7）Oil-out and second throttling flow speed control valve（6）Oil-out connection, second throttling flow speed control valve（6）
Oil-in and first throttle flow speed control valve（5）Oil-in connection, first throttle flow speed control valve（5）Oil-out and hydraulic cylinder（3）'s
Rodless cavity connects；Meanwhile, first throttle flow speed control valve（5）, second throttling flow speed control valve（6）, hydraulic control one-way valve（7）With hand-operated direction valve
（8）A hydraulic fluid ports be located oil circuit and check valve（9）, the first adjustable sequence valve（10）It is in parallel, check valve（9）Oil-in and handss
Dynamic reversal valve（8）T hydraulic fluid ports simultaneously access oil return pipe（18）, the first adjustable sequence valve（10）Oil-in and check valve（9）'s
Oil-out is connected, the first adjustable sequence valve（10）Oil-out and hand-operated direction valve（8）T hydraulic fluid ports connection；Hydraulic cylinder（3）Have
Rod cavity and the second check valve（12）Oil-out connection, the oil-in and air relief valve of the valve（13）Oil-out connection, air relief valve
（13）Oil-in and hand-operated direction valve（8）P hydraulic fluid ports simultaneously access oil inlet pipe（17）；It is characterized in that：
Also set up the second adjustable sequence valve（14）, sequence valve（15）With ball valve（16）；
Second adjustable sequence valve（14）Oil-in and the second check valve（12）Oil-out connection, the second adjustable sequence valve（14）
Oil-out and hand-operated direction valve（8）T hydraulic fluid ports connection；Sequence valve（15）Oil-in and the second check valve（12）Oil-out
Connection, sequence valve（15）Oil-out and hand-operated direction valve（8）T hydraulic fluid ports connection；Ball valve（16）One end and the second check valve
（12）Oil-out connection, the other end and hand-operated direction valve（8）T hydraulic fluid ports connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802077.5U CN206071986U (en) | 2016-07-28 | 2016-07-28 | A kind of continuous casting long gate mechanical hand hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802077.5U CN206071986U (en) | 2016-07-28 | 2016-07-28 | A kind of continuous casting long gate mechanical hand hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071986U true CN206071986U (en) | 2017-04-05 |
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ID=58424694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620802077.5U Active CN206071986U (en) | 2016-07-28 | 2016-07-28 | A kind of continuous casting long gate mechanical hand hydraulic device |
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| Country | Link |
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| CN (1) | CN206071986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020370A (en) * | 2017-06-05 | 2017-08-08 | 大连华锐重工集团股份有限公司 | Supermatic ladle long nozzle steerable system |
| CN114352597A (en) * | 2022-01-25 | 2022-04-15 | 佳木斯大学 | Overload reverse impact valve and overload prevention method |
-
2016
- 2016-07-28 CN CN201620802077.5U patent/CN206071986U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020370A (en) * | 2017-06-05 | 2017-08-08 | 大连华锐重工集团股份有限公司 | Supermatic ladle long nozzle steerable system |
| CN114352597A (en) * | 2022-01-25 | 2022-04-15 | 佳木斯大学 | Overload reverse impact valve and overload prevention method |
| CN114352597B (en) * | 2022-01-25 | 2024-04-23 | 佳木斯大学 | Overload reverse impact valve and overload prevention method |
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