CN101879972B - Intelligent dredging machine for stock bin - Google Patents
Intelligent dredging machine for stock bin Download PDFInfo
- Publication number
- CN101879972B CN101879972B CN2010102110563A CN201010211056A CN101879972B CN 101879972 B CN101879972 B CN 101879972B CN 2010102110563 A CN2010102110563 A CN 2010102110563A CN 201010211056 A CN201010211056 A CN 201010211056A CN 101879972 B CN101879972 B CN 101879972B
- Authority
- CN
- China
- Prior art keywords
- oil
- oil pump
- control box
- solenoid directional
- dredging machine
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000007790 scraping Methods 0.000 claims description 23
- 239000000446 fuel Substances 0.000 claims description 17
- 239000002828 fuel tank Substances 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000002401 inhibitory effect Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 94
- 239000010720 hydraulic oil Substances 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 filter Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses an intelligent dredging machine for a stock bin. The intelligent dredging machine for the stock bin comprises an oil supply station, a control box, a hydraulic cylinder and a dredger, wherein an oil tank, an oil lump, a pressure regulating relief valve and an solenoid directional valve are arranged on the oil supply station; an oil outlet of the solenoid directional valve is connected with the hydraulic cylinder through two high-pressure oil pipes; a control box assembly and a display lamp are arranged on the control box; the control box assembly is connected with the display lamp, and is respectively connected with the solenoid directional valve and the oil pump through a signal wire; a piston of the hydraulic cylinder is in transmission connection with the dredger; an oil inlet and an oil outlet of the hydraulic cylinder are respectively provided with a filter; and the two filters are respectively connected with oil outlets of the two high-pressure oil pipes.In the intelligent dredging machine, the filters filter impurities of hydraulic oil in the high-pressure oil pipes to improve the cleanness of the hydraulic oil, so the phenomena of oil leak of the hydraulic cylinder, the blocking of the solenoid directional valve and the pressure regulating relief valve and the like are avoided, and the service life of the hydraulic cylinder, the oil pump, the solenoid directional valve and the pressure regulating relief valve is prolonged.
Description
Technical field
The invention belongs to the mining machinery technical field, relate in particular to a kind of intelligent dredging machine for stock bin.
Background technology
Feed bin at industry splendid attire materials such as China's electric power, coal, chemical industry, metallurgy, building materials generally all is up big and down small square cone and cone, a lot of materials have big stickiness, be easy to stop up feed bin, therefore dredge generally all is installed in these feed bins, dredge provides power by hydraulic actuating cylinder for it, and hydraulic actuating cylinder is connected with power station (comprising oil pump station and control box) by two high pressure fuel pipes.
Two high pressure fuel pipes generally adopt carbon steel seamless tube and stainless steel tube to be welded to form, impurity such as dust, iron rust, oxide skin can enter in the high pressure fuel pipe during installation, oil pump station starts rear impurity and enters hydraulic actuating cylinder by oil inlet earlier, it is dirty that oil return causes the hydraulic oil qualitative change again, to hydraulic unit abrasion factor height, in the course of time, just can cause serious problems such as hydraulic actuating cylinder leakage of oil, by pass valve obstruction, the obstruction of solenoid directional control valve oilhole, cause big difficulty to maintenance.
Dredge comprises the pull bar of vertical setting, and pull bar is provided with several scraping blades, and the pull bar peripheral hardware has spacing snap ring, snap ring is welded on the built-in fitting that the feed bin inwall sets in advance, pull bar when up-and-down movement, whole pull bar direct friction bin wall, friction force is very big, has strengthened the degree of wear of pull bar; Existing pull bar adopts channel-section steel, and bending resistance is limited, and is not too durable; And because the lateral length of all scraping blades is all equal, hydraulic power is bigger during startup, be difficult for starting, and scraping blade when moving down resistance very big, the load of hydraulic efficiency gear is bigger, power consumption also increases, and has also reduced the service life of parts such as oil cylinder, oil pump, solenoid directional control valve, motor, electronic component virtually.
Power station comprises oil pump station and control box, oil pump station is provided with fuel tank, filter, oil pump, compression indicator, pressure adjustment relief valve and solenoid directional control valve, the oil inlet of oil pump is connected with the fuel tank oil outlet by filter, the oil outlet pipe of oil pump is connected with solenoid directional control valve, compression indicator is connected with the oil outlet pipe of oil pump, the oil outlet pipe of oil pump is connected with fuel tank by pressure adjustment relief valve, be connected by two high pressure fuel pipes between solenoid directional control valve and the hydraulic actuating cylinder, control box is provided with control box assembly (PLC), display lamp, the control box assembly is connected with oil pump with solenoid directional control valve respectively by signal wire (SW).Above-mentioned this dredging machine power station exists big shortcoming, if dredge is by stretch bending or be stuck in the feed bin, problems such as hydraulic actuating cylinder is stuck, electromagnetic valve change-over valve, the obstruction of by pass valve oilhole all can produce the oil circuit overvoltage, such fault has taken place, the oil circuit parts are caused very big damage, change the oil circuit parts take a lot of work, time-consuming, expensive, have influence on the productivity effect of enterprise virtually.
Summary of the invention
The present invention is in order to solve weak point of the prior art, provide a kind of can filter impurity in the high pressure fuel pipe, work the time resistance little, durable, prevent because various faults cause the oil circuit overvoltage to cause the intelligent dredging machine for stock bin of oil circuit failsafety.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: intelligent dredging machine for stock bin, comprise oil pump station, control box, hydraulic actuating cylinder and dredge, oil pump station is provided with fuel tank, oil pump, pressure adjustment relief valve and solenoid directional control valve, the oil inlet of oil pump is connected with the fuel tank oil outlet, the oil outlet pipe of oil pump is connected with solenoid directional control valve, the oil outlet pipe of oil pump is connected with fuel tank by pressure adjustment relief valve, the oil outlet of solenoid directional control valve is connected with hydraulic actuating cylinder by two high pressure fuel pipes, control box is provided with control box assembly and display lamp, the control box assembly is connected with display lamp, the control box assembly is connected with oil pump with solenoid directional control valve respectively by signal wire (SW), the piston and the dredge of hydraulic actuating cylinder are in transmission connection, the oil inlet of described hydraulic actuating cylinder and oil outlet place are provided with a filter respectively, and two filters are connected with the oil outlet of two high pressure fuel pipes respectively.
Described oil pump station is provided with filter and compression indicator, and filter is located on the oil inlet of oil pump, and compression indicator is located on the oil outlet pipe of oil pump.
Described dredge comprises the pull bar of vertical setting, pull rod shaft is provided with several scraping blades to level, each scraping blade is all about pull bar axis symmetry, rod outer sleeve is provided with inhibiting device, inhibiting device comprises two clamps and two bolts, two clamps be arranged in parallel, two bolts be arranged in parallel, two clamps and two vertical settings of bolt, one end of two bolts all is threaded with a clamp, the other end of two bolts all is fastenedly connected by nut with another piece clamp, and pull bar is plugged in the square opening of two clamps and two bolt formation.
Described each scraping blade length in the horizontal direction shortens from top to bottom gradually, and the vertical spacing of adjacent two scraping blades equates that all the line of the termination, the same side of each scraping blade is a straight line.
The cross-sectional plane of described pull bar is the I shape shape.
Described two high pressure fuel pipes are provided with overvoltage protector, and overvoltage protector is connected by the information conveyor line with the control box assembly.
Adopt technique scheme, have following beneficial effect:
1, at the oil inlet and the oil outlet place of hydraulic actuating cylinder filter is installed, hydraulic oil in the high pressure fuel pipe is filtered, filter impurity, improve the cleanliness level of hydraulic oil, increase lubricity and degree of finish between hydraulic actuating cylinder and the piston, thereby solved phenomenons such as hydraulic actuating cylinder leakage of oil, solenoid directional control valve, by pass valve obstruction, hydraulic actuating cylinder, oil pump, solenoid directional control valve, by pass valve are prolonged service life.
2, the square opening of two of inhibiting device clamps and two bolt formation provides a track for pull bar moves up and down, wherein a clamp is close to the feed bin inwall by these two screw bolt and nut and is installed and fixed, pull bar just can not produce friction with the feed bin inwall again, reduce friction, pull bar is not easy to wear, up-and-down movement is laborsaving more flexibly, and this detouchable mounting structure is reasonable in design, is easier to dismounting and maintenance.
3, each scraping blade length in the horizontal direction shortens from top to bottom gradually, not only alleviated the weight of scraping blade, also be convenient to start, resistance reduces when the mediation operation, and the load of hydraulic efficiency gear reduces, and power consumption reduces, prolonged the service life of parts such as oil cylinder, oil pump, solenoid directional control valve, motor, electronic component, the line of the termination, the same side of each scraping blade is a straight line, and several scraping blades form pyramidal structures, good looking appearance, stressed evenly, mediation is effective.
4, the cross-sectional plane of pull bar is the I shape shape, and pull bar can use rail steel, and tension intensity high bending performance is good, rigidity is strong, sturdy and durable.
5; on two high pressure fuel pipes, overvoltage protector is set; control by control box assembly (PLC) program; even dredge in the feed bin occurs by stretch bending or be stuck; hydraulic actuating cylinder is stuck; the electromagnetic valve change-over valve; faults such as by pass valve oilhole obstruction; oil circuit produces overvoltage; overvoltage protector passes to the control box assembly with signal; signal is passed to oil pump with the control box assembly and solenoid directional control valve quits work; this just can not cause damage to the oil circuit parts; only need search the reason of oil circuit overvoltage and overhaul and get final product; reduced unnecessary economic loss, for certain economic benefits improves in enterprise.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the mounting structure scheme drawing of dredge in the middle of the present invention;
Fig. 3 is the B-B cutaway view in the middle of Fig. 2.
The specific embodiment
As shown in Figure 1, intelligent dredging machine for stock bin of the present invention, comprise oil pump station 1, control box 2, hydraulic actuating cylinder 3 and dredge 4, oil pump station 1 is provided with fuel tank 5, filter 6, oil pump 7, compression indicator 8, pressure adjustment relief valve 9 and solenoid directional control valve 10, the oil inlet of oil pump 7 is connected with the oil outlet of fuel tank 5 by filter 6, the oil outlet pipe of oil pump 7 is connected with solenoid directional control valve 10, compression indicator 8 is located on the oil outlet pipe of oil pump 7, the oil outlet pipe of oil pump 7 is connected with fuel tank 5 by pressure adjustment relief valve 9, the oil outlet of solenoid directional control valve 10 is connected with hydraulic actuating cylinder 3 by two high pressure fuel pipes 11, control box 2 is provided with control box assembly 12 (PLC) and display lamp 13, control box assembly 12 is connected with display lamp 13, control box assembly 12 is connected with oil pump 7 with solenoid directional control valve 10 respectively with signal wire (SW) 15 by signal wire (SW) 14, the piston 16 and the dredge 4 of hydraulic actuating cylinder 3 are in transmission connection, the oil inlet of hydraulic actuating cylinder 3 and oil outlet place are provided with filter 17 and filter 18 respectively, and filter 17 is connected with the oil outlet of two high pressure fuel pipes 11 respectively with filter 18.Two high pressure fuel pipes 11 are provided with overvoltage protector 29, and overvoltage protector 29 is connected by information conveyor line 30 with control box assembly 12.
Dredge 4 comprises the pull bar 19 of vertical setting, and as shown in Figure 2, the cross-sectional plane of pull bar 19 is the I shape shape, pull bar 19 can adopt rail steel, pull bar 19 axial levels are provided with several scraping blades 20, and each scraping blade 20 is arranged with inhibiting device 31 all about pull bar 19 axis symmetries outside the pull bar 19.As shown in Figure 3, inhibiting device 31 comprises clamp 21, clamp 22, bolt 23 and bolt 24, clamp 21 and clamp 22 be arranged in parallel, bolt 23 and bolt 24 be arranged in parallel, clamp 21 and bolt 24 vertical settings, one end of bolt 23 and bolt 24 is threaded with clamp 21 respectively, the other end of bolt 23 and bolt 24 is fastenedly connected by nut 26 and nut 27 with clamp 22 and feed bin 25 respectively, clamp 22 is close to feed bin 25 inwall settings, nut 26 and nut 27 are positioned at feed bin 25 outsides, and pull bar 19 is plugged in clamp 21, clamp 22, in the square opening 28 that bolt 23 and bolt 24 surround.Each scraping blade 20 length in the horizontal direction shortens from top to bottom gradually, and the vertical spacing of adjacent two scraping blades 20 equates that all the line of the termination, the same side of each scraping blade 20 is a straight line.Certainly, dredge 4 and hydraulic actuating cylinder 3 supporting uses according to actual needs, can be provided with many covers in feed bin 25.
When work was used, when hydraulic actuating cylinder 3 drove pull bars 19 and moves along the vertical direction, pull bar 19 can not horizontal hunting under the restriction of inhibiting device 31, and pull bar 19 only produces friction with clamp 22, and friction force is very little, and the load of hydraulic actuating cylinder 3 also just reduces.The pyramidal structure wide at the top and narrow at the bottom that several scraping blades 20 form and the tapering basically identical of feed bin 25, like this when piston 16 drive pull bars 19 move along the vertical direction, load less, stressed more evenly, power consumption also reduces also no longer overload operations of parts such as hydraulic actuating cylinder 3, oil pump 7, solenoid directional control valve 10.
By oil inlet and oil outlet place filter filter 17 and filter 18 are installed at hydraulic actuating cylinder 3, the hydraulic oil that two high pressure fuel pipes 11 are entered in the hydraulic actuating cylinder 3 filters, filter impurity, improve the cleanliness level of hydraulic oil, increase lubricity and degree of finish between hydraulic actuating cylinder 3 and the piston 16, thereby solved phenomenons such as hydraulic actuating cylinder 3 leakage of oils, solenoid directional control valve 10, pressure adjustment relief valve 9 obstructions, hydraulic actuating cylinder 3, oil pump 7, solenoid directional control valve 10, pressure adjustment relief valve are prolonged for 9 service lifes.
When dredge 4 occur during in up-and-down movement block clearing operation pull bar 19 by stretch bending or be stuck, fault such as piston in the hydraulic actuating cylinder 3 is 16 stuck, electromagnetic valve change-over valve 10, pressure adjustment relief valve 9 oilhole obstructions; oil circuit produces overvoltage; overvoltage protector 29 passes to control box assembly 12 with signal; control box assembly 12 is passed to oil pump 7 and solenoid directional control valve 8 with signal; it is quit work; this just can not cause damage to the oil circuit parts, thereby has reduced unnecessary economic loss.
Claims (6)
1. intelligent dredging machine for stock bin, comprise oil pump station, control box, hydraulic actuating cylinder and dredge, oil pump station is provided with fuel tank, oil pump, pressure adjustment relief valve and solenoid directional control valve, the oil inlet of oil pump is connected with the fuel tank oil outlet, the oil outlet pipe of oil pump is connected with solenoid directional control valve, the oil outlet pipe of oil pump is connected with fuel tank by pressure adjustment relief valve, the oil outlet of solenoid directional control valve is connected with hydraulic actuating cylinder by two high pressure fuel pipes, control box is provided with control box assembly and display lamp, the control box assembly is connected with display lamp, the control box assembly is connected with oil pump with solenoid directional control valve respectively by signal wire (SW), the piston and the dredge of hydraulic actuating cylinder are in transmission connection, it is characterized in that: the oil inlet of described hydraulic actuating cylinder and oil outlet place are provided with a filter respectively, and two filters are connected with the oil outlet of two high pressure fuel pipes respectively.
2. intelligent dredging machine for stock bin according to claim 1 is characterized in that: described oil pump station is provided with filter and compression indicator, and filter is located on the oil inlet of oil pump, and compression indicator is located on the oil outlet pipe of oil pump.
3. intelligent dredging machine for stock bin according to claim 2, it is characterized in that: described dredge comprises the pull bar of vertical setting, pull rod shaft is provided with several scraping blades to level, each scraping blade is all about pull bar axis symmetry, rod outer sleeve is provided with inhibiting device, inhibiting device comprises two clamps and two bolts, two clamps be arranged in parallel, two bolts be arranged in parallel, two clamps and two vertical settings of bolt, one end of two bolts all is threaded with a clamp, and the other end of two bolts all is fastenedly connected by nut with another piece clamp, and pull bar is plugged in the square opening of two clamps and two bolt formation.
4. intelligent dredging machine for stock bin according to claim 3, it is characterized in that: described each scraping blade length in the horizontal direction shortens from top to bottom gradually, the vertical spacing of adjacent two scraping blades equates that all the line of the termination, the same side of each scraping blade is a straight line.
5. according to claim 3 or 4 described intelligent dredging machine for stock bin, it is characterized in that: the cross-sectional plane of described pull bar is the I shape shape.
6. according to claim 1 or 2 or 3 or 4 described intelligent dredging machine for stock bin, it is characterized in that: described two high pressure fuel pipes are provided with overvoltage protector, and overvoltage protector is connected by the information conveyor line with the control box assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102110563A CN101879972B (en) | 2010-06-28 | 2010-06-28 | Intelligent dredging machine for stock bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102110563A CN101879972B (en) | 2010-06-28 | 2010-06-28 | Intelligent dredging machine for stock bin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101879972A CN101879972A (en) | 2010-11-10 |
| CN101879972B true CN101879972B (en) | 2011-08-17 |
Family
ID=43052147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102110563A Active CN101879972B (en) | 2010-06-28 | 2010-06-28 | Intelligent dredging machine for stock bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101879972B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116874A (en) * | 2019-06-18 | 2019-08-13 | 安徽康迪纳电力科技有限责任公司 | A kind of anti-blocking block clearing coal scuttle of dried shrimp curve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601975Y (en) * | 2003-07-28 | 2004-02-04 | 刘吉川 | Bin deroppilation machine |
| CN2748422Y (en) * | 2004-12-09 | 2005-12-28 | 赵东楼 | Jar type hopper dredging machine |
| CN2823361Y (en) * | 2005-05-25 | 2006-10-04 | 张裕中 | Ultralow frequency vibration pipeline cleaning dredging machine |
| CN201049823Y (en) * | 2007-05-09 | 2008-04-23 | 张国民 | Bunker dredging machine |
| CN201065246Y (en) * | 2007-08-03 | 2008-05-28 | 赵友军 | Bunker dredging machine |
| CN201721833U (en) * | 2010-06-28 | 2011-01-26 | 濮阳市亚利机械制造有限公司 | Intelligent stock bin dredging machine |
-
2010
- 2010-06-28 CN CN2010102110563A patent/CN101879972B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601975Y (en) * | 2003-07-28 | 2004-02-04 | 刘吉川 | Bin deroppilation machine |
| CN2748422Y (en) * | 2004-12-09 | 2005-12-28 | 赵东楼 | Jar type hopper dredging machine |
| CN2823361Y (en) * | 2005-05-25 | 2006-10-04 | 张裕中 | Ultralow frequency vibration pipeline cleaning dredging machine |
| CN201049823Y (en) * | 2007-05-09 | 2008-04-23 | 张国民 | Bunker dredging machine |
| CN201065246Y (en) * | 2007-08-03 | 2008-05-28 | 赵友军 | Bunker dredging machine |
| CN201721833U (en) * | 2010-06-28 | 2011-01-26 | 濮阳市亚利机械制造有限公司 | Intelligent stock bin dredging machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101879972A (en) | 2010-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101879970B (en) | Full-automatic storage bin dredging device | |
| CN201721833U (en) | Intelligent stock bin dredging machine | |
| CN202381963U (en) | Lubrication bypass circulatory system for rolling mill | |
| CN202011626U (en) | Double functional material-stirring mechanism | |
| CN101879972B (en) | Intelligent dredging machine for stock bin | |
| CN201721834U (en) | Full-automatic feed bin dredging machine | |
| CN201784966U (en) | Rail type dredger mounting structure | |
| CN201913086U (en) | Cleaning device for bearing and bearing support | |
| CN102658928B (en) | External dredging machine for bin | |
| CN204387650U (en) | A kind of Centralized lubrication system of tunneling machine | |
| CN101879973B (en) | Installation of new structure for air-gun combined dredging machine | |
| CN101879971B (en) | Track type dredger installation structure | |
| CN210716888U (en) | Automatic lubricating device of filter chamber locking mechanism of filter press | |
| CN210287256U (en) | Anti-wear hydraulic oil purification treatment device for mechanical equipment | |
| CN201721831U (en) | Intelligent dredger power station | |
| CN205253739U (en) | Belt filter of high -speed cold rolling mill of seamless steel pipe | |
| CN2829929Y (en) | Easy-to-replace delivery roller | |
| CN201150956Y (en) | Lifting device for billet top-surface descaler | |
| CN202516681U (en) | Ore pulp shunting device | |
| CN201869001U (en) | Motor position adjusting mechanism | |
| CN101943314A (en) | Circulating lubricating system for high-speed wire rod production line | |
| CN202825163U (en) | Bonnet pressing sleeve pulling machine | |
| CN203650913U (en) | Conveniently-washed vacuum pump pipeline of extruder | |
| CN202137349U (en) | Purging device for iron oxide on surfaces of steel billets | |
| CN221184202U (en) | Guide assembly maintenance equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Intelligent dredging machine for stock bin Effective date of registration: 20140828 Granted publication date: 20110817 Pledgee: Henan Futan Liquor Industry Co., Ltd. Pledgor: Puyang Yali Machinery Manufacture Co., Ltd. Registration number: 2014410000001 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150811 Granted publication date: 20110817 Pledgee: Henan Futan Liquor Industry Co., Ltd. Pledgor: Puyang Yali Machinery Manufacture Co., Ltd. Registration number: 2014410000001 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Intelligent dredging machine for stock bin Effective date of registration: 20151021 Granted publication date: 20110817 Pledgee: Henan Futan Liquor Industry Co., Ltd. Pledgor: Puyang Yali Machinery Manufacture Co., Ltd. Registration number: 2015410000015 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170802 Granted publication date: 20110817 Pledgee: Henan Futan Liquor Industry Co., Ltd. Pledgor: Puyang Yali Machinery Manufacture Co., Ltd. Registration number: 2015410000015 |