CN203717494U - Valve stand hydraulic system of clay gun tapping machine - Google Patents
Valve stand hydraulic system of clay gun tapping machine Download PDFInfo
- Publication number
- CN203717494U CN203717494U CN201420115264.7U CN201420115264U CN203717494U CN 203717494 U CN203717494 U CN 203717494U CN 201420115264 U CN201420115264 U CN 201420115264U CN 203717494 U CN203717494 U CN 203717494U
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- tapping machine
- hydraulic circuit
- oil hydraulic
- electrically
- valve oil
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- Expired - Lifetime
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 129
- 239000004927 clay Substances 0.000 title claims abstract description 86
- 238000005553 drilling Methods 0.000 claims abstract description 23
- 230000008676 import Effects 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000003116 impacting effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to a valve stand hydraulic system of a clay gun tapping machine. The valve stand hydraulic system of the clay gun tapping machine comprises a main oil source pipeline, an electrically-controlled valve stand circuit part, a manual valve stand circuit part, a clay gun rotary oil cylinder, a mud hitting oil cylinder, a tapping machine impacting device, a tapping machine drilling motor, a tapping machine feeding motor, a tapping machine rotary oil cylinder and a tapping machine hook oil cylinder. The valve stand hydraulic system of the clay gun tapping machine has the advantages that operation is stable, the operation reliability of the whole device is guaranteed, operation can be controlled in a wireless remote mode or an electric mode or a manual mode, the control modes can be switched conveniently, the wireless remote control mode is free of the influence of the sight, and operation is convenient.
Description
Technical field
The utility model relates to the hydraulic system technical field of clay gun tapping machine, relates in particular to a kind of valve platform hydraulic system of clay gun tapping machine.
Background technique
At present, the equipment of blocking up that domestic middle-size and small-size blast furnace stokehold adopts is generally Hydraulic clay gun machine, and the control mode adopting is manually-operable selector valve control form, and certainly large blast furnace has and adopts electro-hydraulic servo control and add that hand control valve combines, but expensive, adopt at present few.
The structure of all hydraulic clay gun tapping machine mainly comprises three parts, and one is that clay gun machine mechanical structure part, two is HYDRAULIC CONTROL SYSTEM part, and three is electric control system.It is hanging mechanism and control link that mechanical structure part is divided into again rotating machinery, clay extruded mechanism and coupling part each other thereof.The running of electric part principal security oil pump and relevant control automatically, the action of hydraulic system principal security hydraulic actuator.The clay gun machine of the clay gun machine of hydraulic structure and other type such as electronic or pneumatic relatively has very large advantage, and easy to operate simple, rate of fault is little, and the iron mouth degree of depth can ensure preferably, thereby applying unit is maximum.Wherein, the stability of hydraulic system has played vital effect to the working stability of whole equipment.
During each blast furnace ironmaking is produced, extensively adopt clay gun machine and the tapping machine equipment of hydraulic driving and control at home and abroad.Because the flushing and casting visual field is bad, handling in order to improve, except manual manipulation, some iron works has adopted the hydraulic system of remote electrically controlled mode, but the clay gun of these electric control operations and the hydraulic system of tapping machine, unsettled situation has affected blast furnace ironmaking production with induced pressure fluctuation for be prone to clay gun and the tapping machine movement speed that have.
Model utility content
The technical problems to be solved in the utility model is: in order to improve each stable action of whole Hydraulic Equipment, easy to operate, the utility model provides a kind of valve platform hydraulic system of clay gun tapping machine.
The utility model solves the technological scheme that its technical problem adopts: a kind of valve platform hydraulic system of clay gun tapping machine, comprise main oil sources pipeline, electrically-controlled valve platform loop feature, manually operated valve platform loop feature, clay gun rotating hydraulic cylinder, play mud oil cylinder, tapping machine impactor, tapping machine drilling motor, tapping machine send motor, tapping machine angling cylinder and tapping machine hook oil cylinder to
Described electrically-controlled valve platform loop feature comprises that clay gun revolution pressurize electrically-controlled valve oil hydraulic circuit, mud spray gun plugging electrically-controlled valve oil hydraulic circuit, clay gun revolution electrically-controlled valve oil hydraulic circuit, tapping machine impact electrically-controlled valve oil hydraulic circuit, tapping machine drilling electrically-controlled valve oil hydraulic circuit, tapping machine are sent electrically-controlled valve oil hydraulic circuit to, tapping machine turns round electrically-controlled valve oil hydraulic circuit, tapping machine hook electrically-controlled valve oil hydraulic circuit
Described manually operated valve platform loop feature comprises that clay gun revolution pressurize manually operated valve oil hydraulic circuit, mud spray gun plugging manually operated valve oil hydraulic circuit, clay gun revolution manually operated valve oil hydraulic circuit, tapping machine impact manually operated valve oil hydraulic circuit, tapping machine drilling manually operated valve oil hydraulic circuit, tapping machine are sent manually operated valve oil hydraulic circuit to, tapping machine turns round manually operated valve oil hydraulic circuit, tapping machine hook manually operated valve oil hydraulic circuit
Described main oil sources pipeline comprises clay gun dwell pressure oil circuit P3, leaks oil circuit L(Y), pilot pressure oil circuit X,
Clay gun revolution pressurize manually operated valve oil hydraulic circuit and clay gun revolution pressurize electrically-controlled valve oil hydraulic circuit control clay gun dwell pressure oil circuit P3 are to clay gun rotating hydraulic cylinder rodless cavity pipeline fuel feeding, the import and export of mud spray gun plugging manually operated valve oil hydraulic circuit and mud spray gun plugging electrically-controlled valve oil hydraulic circuit are connected in parallel and beat mud oil cylinder port, described clay gun revolution manually operated valve oil hydraulic circuit and the clay gun revolution electrically-controlled valve oil hydraulic circuit clay gun rotating hydraulic cylinder that is connected in parallel, tapping machine impacts import and export that manually operated valve oil hydraulic circuit and tapping machine the impact electrically-controlled valve oil hydraulic circuit tapping machine impactor filler opening that is connected in parallel, impactor return opening connects leakage oil circuit L(Y), the import and export of tapping machine drilling manually operated valve oil hydraulic circuit and the tapping machine drilling electrically-controlled valve oil hydraulic circuit tapping machine drilling motor hydraulic fluid port that is connected in parallel, tapping machine is sent manually operated valve oil hydraulic circuit and tapping machine to and is sent the import and export of the electrically-controlled valve oil hydraulic circuit tapping machine that is connected in parallel to and send motor hydraulic fluid port to, the import and export of tapping machine revolution manually operated valve oil hydraulic circuit and the tapping machine revolution electrically-controlled valve oil hydraulic circuit tapping machine angling cylinder hydraulic fluid port that is connected in parallel, the import and export of tapping machine hook manually operated valve oil hydraulic circuit and the tapping machine hook electrically-controlled valve oil hydraulic circuit tapping machine hook oil cylinder port that is connected in parallel
Described electrically-controlled valve platform loop feature has adopted external control to arrange electro-hydraulic reversing valve control outward, and outside control mouth is by the pilot pressure oil circuit X fuel feeding of main oil sources pipeline, and outer row's mouth is to the leakage oil circuit L(Y of main oil sources pipeline) oil extraction.
Further, particularly, in described clay gun revolution manually operated valve oil hydraulic circuit and clay gun revolution electrically-controlled valve oil hydraulic circuit, be also provided with respectively the outer row's of external control electro-hydraulic reversing valve, dual hydraulic control one-way valve, for regulating the one way sequence valve of arranging in the one-way throttle valve, internal control of clay gun rotation motion speed.
In order to realize Wireless remote control, automatically controlled, manual three kinds of control modes are changed mutually, easy-to-operat, described valve platform hydraulic system also comprises Wireless/wired remote control transmitter and receives the electrical control cabinet of Wireless/wired remote control transmitter signal, and electrical control cabinet is connected with electrically-controlled valve platform loop feature signal.
The beneficial effects of the utility model are, the valve platform hydraulic system of clay gun tapping machine of the present utility model, each moving operating steadily, ensure whole equipment reliability of operation, operation adopts Wireless remote control, automatically controlled, manual three kinds of control modes, and can change mutually easily, Wireless remote control mode is not affected by sight line, easy to operate.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
In figure: 21, main oil sources pipeline, 22, clay gun revolution pressurize manually operated valve oil hydraulic circuit, 23, clay gun revolution pressurize electrically-controlled valve oil hydraulic circuit, 24, mud spray gun plugging manually operated valve oil hydraulic circuit, 25, mud spray gun plugging electrically-controlled valve oil hydraulic circuit, 26, clay gun revolution manually operated valve oil hydraulic circuit, 27, clay gun revolution electrically-controlled valve oil hydraulic circuit, 28, tapping machine impacts manually operated valve oil hydraulic circuit, 29, tapping machine impacts electrically-controlled valve oil hydraulic circuit, 30, tapping machine drilling manually operated valve oil hydraulic circuit, 31, tapping machine drilling electrically-controlled valve oil hydraulic circuit, 32, tapping machine is sent manually operated valve oil hydraulic circuit, 33 to, tapping machine is sent electrically-controlled valve oil hydraulic circuit, 34 to, tapping machine revolution manually operated valve oil hydraulic circuit, 35, tapping machine revolution electrically-controlled valve oil hydraulic circuit, 36, tapping machine hook manually operated valve oil hydraulic circuit, 37, tapping machine hook electrically-controlled valve oil hydraulic circuit, 38, play mud oil cylinder, 39, clay gun rotating hydraulic cylinder, 40, tapping machine impactor, 41, tapping machine drilling motor, 42, tapping machine is sent motor to, and 43, tapping machine angling cylinder, 44, tapping machine hook oil cylinder, 48, electrical control cabinet, 49, Wireless/wired remote control transmitter.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, embodiment of the present utility model, comprise main oil sources pipeline 21, electrically-controlled valve platform loop feature, manually operated valve platform loop feature, clay gun rotating hydraulic cylinder 39, play mud oil cylinder 38, tapping machine impactor 40, tapping machine drilling motor 41, tapping machine send motor 42, tapping machine angling cylinder 43 and tapping machine hook oil cylinder 44 to, electrically-controlled valve platform loop feature, manually operated valve platform loop feature are used respectively under automatically controlled or remote control and manual mode, and electrically-controlled valve platform and manually operated valve platform are imported and exported and be connected in parallel to executive component hydraulic fluid port.
Electrically-controlled valve platform loop feature comprises clay gun revolution pressurize electrically-controlled valve oil hydraulic circuit 23, mud spray gun plugging electrically-controlled valve oil hydraulic circuit 25, clay gun revolution electrically-controlled valve oil hydraulic circuit 27, tapping machine impacts electrically-controlled valve oil hydraulic circuit 29, tapping machine drilling electrically-controlled valve oil hydraulic circuit 31, tapping machine is sent electrically-controlled valve oil hydraulic circuit 33 to, tapping machine revolution electrically-controlled valve oil hydraulic circuit 35, tapping machine hook electrically-controlled valve oil hydraulic circuit 37, manually operated valve platform loop feature comprises clay gun revolution pressurize manually operated valve oil hydraulic circuit 22, mud spray gun plugging manually operated valve oil hydraulic circuit 24, clay gun revolution manually operated valve oil hydraulic circuit 26, tapping machine impacts manually operated valve oil hydraulic circuit 28, tapping machine drilling manually operated valve oil hydraulic circuit 30, tapping machine is sent manually operated valve oil hydraulic circuit 32 to, tapping machine revolution manually operated valve oil hydraulic circuit 34, tapping machine hook manually operated valve oil hydraulic circuit 36, main oil sources pipeline 21 comprises clay gun dwell pressure oil circuit P3, leak oil circuit L(Y), pilot pressure oil circuit X,
Clay gun revolution pressurize manually operated valve oil hydraulic circuit 22 and clay gun revolution pressurize electrically-controlled valve oil hydraulic circuit 23 are respectively under manual mode and automatically controlled or remotely-controlled operation mode, control clay gun dwell pressure oil circuit P3 to clay gun rotating hydraulic cylinder 39 rodless cavity pipeline fuel feeding, the guarantee clay gun mouth under state of blocking up is pressed on iron mouth, prevents from that clay gun from retreating and affecting to block up.The import and export of mud spray gun plugging manually operated valve oil hydraulic circuit 24 and mud spray gun plugging electrically-controlled valve oil hydraulic circuit 25 are connected in parallel and beat mud oil cylinder 38 hydraulic fluid ports, and control is played mud oil cylinder 38 and moved.Clay gun revolution manually operated valve oil hydraulic circuit 26 and the clay gun revolution electrically-controlled valve oil hydraulic circuit 27 clay gun rotating hydraulic cylinder 39 that is connected in parallel, controls clay gun rotating hydraulic cylinder 39 and moves.Tapping machine impacts import and export that manually operated valve oil hydraulic circuit 28 and tapping machine impact electrically-controlled valve oil hydraulic circuit 29 tapping machine impactor 40 filler openings that are connected in parallel, impactor return opening connects the leakage oil circuit L(Y of main oil sources pipeline 21), the import and export of tapping machine drilling manually operated valve oil hydraulic circuit 30 and tapping machine drilling electrically-controlled valve oil hydraulic circuit 31 tapping machine drilling motor 41 hydraulic fluid ports that are connected in parallel, control drilling motor 41 and move.Tapping machine is sent manually operated valve oil hydraulic circuit 32 and tapping machine to and is sent the import and export of electrically-controlled valve oil hydraulic circuit 33 tapping machine that is connected in parallel to and send motor 42 hydraulic fluid ports to, controls to send motor 42 to and move.The import and export of tapping machine revolution manually operated valve oil hydraulic circuit 34 and tapping machine revolution electrically-controlled valve oil hydraulic circuit 35 tapping machine angling cylinder 43 hydraulic fluid ports that are connected in parallel, control angling cylinder 43 and move.The import and export of tapping machine hook manually operated valve oil hydraulic circuit 36 and tapping machine hook electrically-controlled valve oil hydraulic circuit 37 tapping machine hook oil cylinder 44 hydraulic fluid ports that are connected in parallel, control hook oil cylinder 44 and move.
The clay gun electrically-controlled valve oil hydraulic circuit of above-mentioned hydraulic valve platform and tapping machine electrically-controlled valve oil hydraulic circuit have adopted external control to arrange electro-hydraulic reversing valve control outward, outside control mouth is by the pilot pressure oil circuit X fuel feeding of main oil sources pipeline 21, the outer row mouthful leakage oil circuit L(Y to main oil sources pipeline 21) oil extraction, under automatically controlled and Wireless remote control mode, the stationarity that ensures each actuator movement is not subject to hydraulic load variable effect, reliable.
The electro-hydraulic reversing valve (26.1,27.1) that clay gun revolution manually operated valve oil hydraulic circuit 26 and clay gun revolution electrically-controlled valve oil hydraulic circuit 27 are also provided with respectively the outer row of external control ensures the stable of electro-hydraulic reversing valve aperture; Dual hydraulic control one-way valve (26.2,27.2) is realized clay gun rotating hydraulic cylinder 39 oil circuit sealings when electro hydraulic valve place " meta ", and to ensure near oil cylinder arbitrary position " pinning " iron mouth, this has facilitated blast furnace iron mouth mud sleeve to make operation; The speed of the adjustable clay gun rotation motion of one-way throttle valve (26.3,27.3); On loop, design the one way sequence valve (26.4 of row in internal control, 27.4), when dual hydraulic control one-way valve (26.2,27.2) under " pinning " state, the pipeline in oil cylinder two chambeies can not produce draining, and one way sequence valve (26.4,27.4) can provide " back pressure " to the rod chamber of clay gun rotating hydraulic cylinder 39 in clay gun is blocked up process, when reducing clay gun and diving to iron mouth, produce and impact, make clay gun revolution action more steady.
Valve platform hydraulic system also comprises Wireless/wired remote control transmitter 49 and receives the electrical control cabinet 48 of Wireless/wired remote control transmitter 49 signals, and electrical control cabinet 48 is connected with electrically-controlled valve platform loop feature signal.
The utility model adopts Wireless remote control, automatically controlled, manual three kinds of control modes, and can mutually change easily, and Wireless remote control mode is not affected by sight line, can operate clay gun tapping machine near the scene, easy to operate.Wireless/wired remote control transmitter 49 sends to electrical control cabinet 48(containing wireless remote controlled receiver by operator's instruction), the wireless remote controlled receiver in electrical control cabinet 48 is adjusted into electrical signal by instruction amplification and is passed to each electro-hydraulic control valve by electric elements.
Taking above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this model utility technological thought, carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (3)
1. the valve platform hydraulic system of a clay gun tapping machine, it is characterized in that: comprise main oil sources pipeline (21), electrically-controlled valve platform loop feature, manually operated valve platform loop feature, clay gun rotating hydraulic cylinder (39), play mud oil cylinder (38), tapping machine impactor (40), tapping machine drilling motor (41), tapping machine send motor (42), tapping machine angling cylinder (43) and tapping machine hook oil cylinder (44) to
Described electrically-controlled valve platform loop feature comprises that clay gun revolution pressurize electrically-controlled valve oil hydraulic circuit (23), mud spray gun plugging electrically-controlled valve oil hydraulic circuit (25), clay gun revolution electrically-controlled valve oil hydraulic circuit (27), tapping machine impact electrically-controlled valve oil hydraulic circuit (29), tapping machine drilling electrically-controlled valve oil hydraulic circuit (31), tapping machine is sent electrically-controlled valve oil hydraulic circuit (33), tapping machine revolution electrically-controlled valve oil hydraulic circuit (35), tapping machine hook electrically-controlled valve oil hydraulic circuit (37) to
Described manually operated valve platform loop feature comprises that clay gun revolution pressurize manually operated valve oil hydraulic circuit (22), mud spray gun plugging manually operated valve oil hydraulic circuit (24), clay gun revolution manually operated valve oil hydraulic circuit (26), tapping machine impact manually operated valve oil hydraulic circuit (28), tapping machine drilling manually operated valve oil hydraulic circuit (30), tapping machine is sent manually operated valve oil hydraulic circuit (32), tapping machine revolution manually operated valve oil hydraulic circuit (34), tapping machine hook manually operated valve oil hydraulic circuit (36) to
Described main oil sources pipeline (21) comprises clay gun dwell pressure oil circuit P3, leaks oil circuit L(Y), pilot pressure oil circuit X,
Clay gun revolution pressurize manually operated valve oil hydraulic circuit (22) and clay gun revolution pressurize electrically-controlled valve oil hydraulic circuit (23) are controlled clay gun dwell pressure oil circuit P3 to clay gun rotating hydraulic cylinder (39) rodless cavity pipeline fuel feeding, the import and export of mud spray gun plugging manually operated valve oil hydraulic circuit (24) and mud spray gun plugging electrically-controlled valve oil hydraulic circuit (25) are connected in parallel and beat mud oil cylinder (38) hydraulic fluid port, described clay gun revolution manually operated valve oil hydraulic circuit (26) and clay gun turn round electrically-controlled valve oil hydraulic circuit (27) the clay gun rotating hydraulic cylinder (39) that is connected in parallel, the import and export that tapping machine impacts manually operated valve oil hydraulic circuit (28) and tapping machine impact electrically-controlled valve oil hydraulic circuit (29) tapping machine impactor (40) filler opening that is connected in parallel, impactor return opening connects leakage oil circuit L(Y), the import and export of tapping machine drilling manually operated valve oil hydraulic circuit (30) and tapping machine drilling electrically-controlled valve oil hydraulic circuit (31) tapping machine drilling motor (41) hydraulic fluid port that is connected in parallel, tapping machine is sent manually operated valve oil hydraulic circuit (32) and tapping machine to and is sent the import and export of electrically-controlled valve oil hydraulic circuit (33) tapping machine that is connected in parallel to and send motor (42) hydraulic fluid port to, the import and export that tapping machine revolution manually operated valve oil hydraulic circuit (34) and tapping machine turn round electrically-controlled valve oil hydraulic circuit (35) tapping machine angling cylinder (43) hydraulic fluid port that is connected in parallel, the import and export of tapping machine hook manually operated valve oil hydraulic circuit (36) and tapping machine hook electrically-controlled valve oil hydraulic circuit (37) tapping machine that is connected in parallel is linked up with oil cylinder (44) hydraulic fluid port
Described electrically-controlled valve platform loop feature has adopted external control to arrange electro-hydraulic reversing valve control outward, and outside control mouth is by the pilot pressure oil circuit X fuel feeding of main oil sources pipeline (21), and outer row's mouth is to the leakage oil circuit L(Y of main oil sources pipeline (21)) oil extraction.
2. the valve platform hydraulic system of clay gun tapping machine as claimed in claim 1, it is characterized in that: the electro-hydraulic reversing valve (26.1 that is also provided with respectively the outer row of external control in described clay gun revolution manually operated valve oil hydraulic circuit (26) and clay gun revolution electrically-controlled valve oil hydraulic circuit (27), 27.1), dual hydraulic control one-way valve (26.2,27.2), for regulating the one-way throttle valve (26.3 of clay gun rotation motion speed, 27.3), row's one way sequence valve (26.4,27.4) in internal control.
3. the valve platform hydraulic system of clay gun tapping machine as claimed in claim 1, it is characterized in that: described valve platform hydraulic system also comprises Wireless/wired remote control transmitter (49) and receive the electrical control cabinet (48) of Wireless/wired remote control transmitter (49) signal, electrical control cabinet (48) is connected with electrically-controlled valve platform loop feature signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115264.7U CN203717494U (en) | 2014-03-13 | 2014-03-13 | Valve stand hydraulic system of clay gun tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115264.7U CN203717494U (en) | 2014-03-13 | 2014-03-13 | Valve stand hydraulic system of clay gun tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717494U true CN203717494U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420115264.7U Expired - Lifetime CN203717494U (en) | 2014-03-13 | 2014-03-13 | Valve stand hydraulic system of clay gun tapping machine |
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| Country | Link |
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| CN (1) | CN203717494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673595A (en) * | 2016-03-28 | 2016-06-15 | 温岭市迪信勘察仪器有限公司 | Manual and electric integrated hydraulic control system for geotechnical engineering exploration |
| CN106837936A (en) * | 2017-01-08 | 2017-06-13 | 北京首钢自动化信息技术有限公司 | A kind of control method for the big machine hydraulic system in emergency operation stokehold three |
| CN108624731A (en) * | 2018-07-05 | 2018-10-09 | 唐山国丰钢铁有限公司 | The automatically controlled two-way valve group and its application method of Hydraulic clay gun tapping machine before State of Blast Furnace |
-
2014
- 2014-03-13 CN CN201420115264.7U patent/CN203717494U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673595A (en) * | 2016-03-28 | 2016-06-15 | 温岭市迪信勘察仪器有限公司 | Manual and electric integrated hydraulic control system for geotechnical engineering exploration |
| CN106837936A (en) * | 2017-01-08 | 2017-06-13 | 北京首钢自动化信息技术有限公司 | A kind of control method for the big machine hydraulic system in emergency operation stokehold three |
| CN108624731A (en) * | 2018-07-05 | 2018-10-09 | 唐山国丰钢铁有限公司 | The automatically controlled two-way valve group and its application method of Hydraulic clay gun tapping machine before State of Blast Furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
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| CX01 | Expiry of patent term |