CN101879970A - Full-automatic storage bin dredging device - Google Patents

Full-automatic storage bin dredging device Download PDF

Info

Publication number
CN101879970A
CN101879970A CN 201010211046 CN201010211046A CN101879970A CN 101879970 A CN101879970 A CN 101879970A CN 201010211046 CN201010211046 CN 201010211046 CN 201010211046 A CN201010211046 A CN 201010211046A CN 101879970 A CN101879970 A CN 101879970A
Authority
CN
China
Prior art keywords
oil pump
oil
bolts
storage bin
full
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
CN 201010211046
Other languages
Chinese (zh)
Other versions
CN101879970B (en
Inventor
贾卫中
王振怀
武新宽
冯柳磊
王自达
郭银柱
杨彦雨
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.)
PUYANG YALI MACHINERY MANUFACTURE CO Ltd
Original Assignee
PUYANG YALI MACHINERY MANUFACTURE CO Ltd
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 PUYANG YALI MACHINERY MANUFACTURE CO Ltd filed Critical PUYANG YALI MACHINERY MANUFACTURE CO Ltd
Priority to CN201010211046XA priority Critical patent/CN101879970B/en
Publication of CN101879970A publication Critical patent/CN101879970A/en
Application granted granted Critical
Publication of CN101879970B publication Critical patent/CN101879970B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses a full-automatic storage bin dredging device comprising an oil supply station, a control case, a hydraulic cylinder and a dredger, wherein the dredger comprises a pull rod vertically arranged; the pull rod is axially and horizontally provided with a plurality of blades; each blade is symmetrical relatively to the axis of the pull rod; the pull rod is externally sheathed with a limit device which comprises two catch plates and two bolts; two catch plates are arranged in parallel, and two bolts are arranged in parallel; two catch plates and two bolts are arranged vertically; one end of each bolt is in threaded connection with one catch plate, and the other end of each bolt is fixedly connected with the other catch plate through a nut; the pull rod is inserted in a square hole formed by two catch plates and two bolts. In the invention, one catch plate is fixedly arranged and tightly attached to the inner wall of a storage bin through two bolts and the nut, the pull rod contacts with the catch plates, thus friction force is reduced, the pull rod has small possibility of abrading and can move up and down more flexibly in a labor-saving mode, and the dismountable installation structure is designed more reasonablely and is easier to dismount and maintain.

Description

Full-automatic storage bin dredging device
Technical field
The invention belongs to the mining machinery technical field, relate in particular to a kind of full-automatic storage bin dredging device.
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.
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.
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.
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 full-automatic storage bin dredging device of oil circuit failsafety.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: full-automatic storage bin dredging device, 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, 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.
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 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, 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.
2, 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.
3, the cross-sectional plane of pull bar is the I shape shape, and pull bar uses the road rail steel, and tension intensity high bending performance is good, rigidity is strong, sturdy and durable.
4, 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.
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, full-automatic storage bin dredging device 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. full-automatic storage bin dredging device, 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: 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.
2. full-automatic storage bin dredging device according to claim 1, 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.
3. full-automatic storage bin dredging device according to claim 2 is characterized in that: the cross-sectional plane of described pull bar is the I shape shape.
4. full-automatic storage bin dredging device according to claim 3 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.
5. full-automatic storage bin dredging device 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.
6. full-automatic storage bin dredging device according to claim 1 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.
CN201010211046XA 2010-06-28 2010-06-28 Full-automatic storage bin dredging device Active CN101879970B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010211046XA CN101879970B (en) 2010-06-28 2010-06-28 Full-automatic storage bin dredging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010211046XA CN101879970B (en) 2010-06-28 2010-06-28 Full-automatic storage bin dredging device

Publications (2)

Publication Number Publication Date
CN101879970A true CN101879970A (en) 2010-11-10
CN101879970B CN101879970B (en) 2012-06-06

Family

ID=43052145

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010211046XA Active CN101879970B (en) 2010-06-28 2010-06-28 Full-automatic storage bin dredging device

Country Status (1)

Country Link
CN (1) CN101879970B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102941990A (en) * 2012-11-15 2013-02-27 安徽康迪纳电力科技有限责任公司 Rotary-cutting-type loosening and feeding machine
CN103274135A (en) * 2013-06-24 2013-09-04 张井龙 Bunker dredging machine
CN104748544A (en) * 2015-04-03 2015-07-01 张辞军 Vertical, multi-pipe and external heating type manganese dioxide reduction roaster
CN104792173A (en) * 2015-04-03 2015-07-22 张辞军 Horizontal multi-tube outside heating manganese dioxide reduction roasting furnace
CN113027833A (en) * 2021-03-03 2021-06-25 肇东市北方机械制造有限公司 Hydraulic loosening machine and intelligent detection method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB891135A (en) * 1959-05-11 1962-03-14 Carves Simon Ltd Improvements relating to the discharge of material from container
US20030024945A1 (en) * 2001-08-01 2003-02-06 Mould-Tek, Inc. Material activator for material dispensing bin
CN2697033Y (en) * 2004-05-11 2005-05-04 无锡市华通环保设备有限公司 Fully automatic blocking-removing machine for bucket
CN2708121Y (en) * 2004-04-02 2005-07-06 赵东楼 Reeling coal hopper dredging machine
CN2729014Y (en) * 2004-09-08 2005-09-28 赵东楼 Bulkhead emptying machine
CN201721834U (en) * 2010-06-28 2011-01-26 濮阳市亚利机械制造有限公司 Full-automatic feed bin dredging machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB891135A (en) * 1959-05-11 1962-03-14 Carves Simon Ltd Improvements relating to the discharge of material from container
US20030024945A1 (en) * 2001-08-01 2003-02-06 Mould-Tek, Inc. Material activator for material dispensing bin
CN2708121Y (en) * 2004-04-02 2005-07-06 赵东楼 Reeling coal hopper dredging machine
CN2697033Y (en) * 2004-05-11 2005-05-04 无锡市华通环保设备有限公司 Fully automatic blocking-removing machine for bucket
CN2729014Y (en) * 2004-09-08 2005-09-28 赵东楼 Bulkhead emptying machine
CN201721834U (en) * 2010-06-28 2011-01-26 濮阳市亚利机械制造有限公司 Full-automatic feed bin dredging machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102941990A (en) * 2012-11-15 2013-02-27 安徽康迪纳电力科技有限责任公司 Rotary-cutting-type loosening and feeding machine
CN103274135A (en) * 2013-06-24 2013-09-04 张井龙 Bunker dredging machine
CN104748544A (en) * 2015-04-03 2015-07-01 张辞军 Vertical, multi-pipe and external heating type manganese dioxide reduction roaster
CN104792173A (en) * 2015-04-03 2015-07-22 张辞军 Horizontal multi-tube outside heating manganese dioxide reduction roasting furnace
CN113027833A (en) * 2021-03-03 2021-06-25 肇东市北方机械制造有限公司 Hydraulic loosening machine and intelligent detection method thereof

Also Published As

Publication number Publication date
CN101879970B (en) 2012-06-06

Similar Documents

Publication Publication Date Title
CN101879970B (en) Full-automatic storage bin dredging device
CN103883494B (en) A kind of high power hydraulic drives fracturing pump
CN201721833U (en) Intelligent stock bin dredging machine
CN202011626U (en) Double functional material-stirring mechanism
CN201721834U (en) Full-automatic feed bin dredging machine
CN101879972B (en) Intelligent dredging machine for stock bin
CN208051322U (en) A kind of draw-off gear
CN201784966U (en) Rail type dredger mounting structure
CN201913086U (en) Cleaning device for bearing and bearing support
CN103845932B (en) A kind of protector preventing the splash of sewage filter press mud
CN101879973B (en) Installation of new structure for air-gun combined dredging machine
CN101879971B (en) Track type dredger installation structure
CN102658928B (en) External dredging machine for bin
CN112692052B (en) Deformed steel bar and manufacturing method and manufacturing device thereof
CN205294685U (en) Wire rope changes device
CN204387650U (en) A kind of Centralized lubrication system of tunneling machine
CN203902647U (en) Steering oil pump belt oil tank assembly, a power steering system and vehicle
CN203649372U (en) Wire-disengaging-preventing deep hole cleaning combined brush
CN202007098U (en) External upper bearing structure of hydraulic ejecting rod of jack
CN201150956Y (en) Lifting device for billet top-surface descaler
CN205253739U (en) Belt filter of high -speed cold rolling mill of seamless steel pipe
CN2829929Y (en) Easy-to-replace delivery roller
CN202137349U (en) Purging device for iron oxide on surfaces of steel billets
CN110186284A (en) A kind of electric pushrod lifting furnace cover structure
CN214808656U (en) Hydraulic reciprocating mud scraper

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: Full-automatic storage bin dredging device

Effective date of registration: 20140828

Granted publication date: 20120606

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: 20120606

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: Full-automatic storage bin dredging device

Effective date of registration: 20151021

Granted publication date: 20120606

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

Date of cancellation: 20170802

Granted publication date: 20120606

Pledgee: Henan Futan Liquor Industry Co., Ltd.

Pledgor: Puyang Yali Machinery Manufacture Co., Ltd.

Registration number: 2015410000015

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Automatic bin dredger

Effective date of registration: 20210929

Granted publication date: 20120606

Pledgee: Henan Nanle Rural Commercial Bank Co.,Ltd. Yuancun sub branch

Pledgor: PUYANG YALI MACHINERY MANUFACTURING Co.,Ltd.

Registration number: Y2021980010150

PE01 Entry into force of the registration of the contract for pledge of patent right