CN101879970B - Full-automatic storage bin dredging device - Google Patents
Full-automatic storage bin dredging device Download PDFInfo
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- CN101879970B CN101879970B CN201010211046XA CN201010211046A CN101879970B CN 101879970 B CN101879970 B CN 101879970B CN 201010211046X A CN201010211046X A CN 201010211046XA CN 201010211046 A CN201010211046 A CN 201010211046A CN 101879970 B CN101879970 B CN 101879970B
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- oil pump
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- storage bin
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- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 80
- 238000005452 bending Methods 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000002035 prolonged effect Effects 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
- 238000001914 filtration 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
- 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
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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
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 through hydraulic actuating cylinder for it, and hydraulic actuating cylinder is connected with power station (comprising oil pump station and control box) through 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 is provided with 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 to start, 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 get in the high pressure fuel pipe during installation, and oil pump station starts rear impurity and gets into hydraulic actuating cylinder through oil inlet earlier, and it is dirty that oil return causes the hydraulic oil qualitative change again; High to the hydraulic unit abrasion factor; 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 through filter, and the oil outlet pipe of oil pump is connected with solenoid directional control valve, and compression indicator is connected with the oil outlet pipe of oil pump; The oil outlet pipe of oil pump is connected with fuel tank through pressure adjustment relief valve; Be connected through 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, and the control box assembly is connected with oil pump with solenoid directional control valve respectively through 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, and such fault has taken place, and 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 comprises 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, and the oil inlet of oil pump is connected with the fuel tank oil outlet, and 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 through pressure adjustment relief valve, and the oil outlet of solenoid directional control valve is connected with hydraulic actuating cylinder through two high pressure fuel pipes, and control box is provided with control box assembly and display lamp; The control box assembly is connected with display lamp, and the control box assembly is connected with oil pump with solenoid directional control valve respectively through signal wire (SW), and the piston and the dredge of hydraulic actuating cylinder are in transmission connection; Said dredge comprises the pull bar of vertical setting, and pull rod shaft is provided with several scraping blades to level, and 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, and two clamps laterally arrange, and two bolts laterally arrange; 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 through nut with another piece clamp, and pull bar is plugged in the square opening of two clamps and two bolt formation.
Said 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 said pull bar is the I shape shape.
The oil inlet of said 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.
Said 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.
Said two high pressure fuel pipes are provided with overvoltage protector, and overvoltage protector is connected through the information conveyor line with the control box assembly.
Adopt technique scheme, have following beneficial effect:
1, the square opening that forms of two of inhibiting device clamps and two bolts is that pull bar moves up and down a track is provided; Wherein a clamp is close to the feed bin inwall through these two screw bolt and nut and is installed and fixed, and pull bar just can not produce friction with the feed bin inwall again, reduces 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, has not only alleviated the weight of scraping blade, also is 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 mounting filtering device of hydraulic actuating cylinder; Hydraulic oil in the high pressure fuel pipe filters; 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; Through the control of control box assembly (PLC) program, though occur dredge in the feed bin by stretch bending or be stuck, faults such as hydraulic actuating cylinder is stuck, electromagnetic valve change-over valve, the obstruction of by pass valve oilhole, 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, and this just can not cause damage to the oil circuit parts, only need search the reason of oil circuit overvoltage and overhaul to 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, and the oil inlet of oil pump 7 is connected with the oil outlet of fuel tank 5 through 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, and the oil outlet pipe of oil pump 7 is connected with fuel tank 5 through pressure adjustment relief valve 9, and the oil outlet of solenoid directional control valve 10 is connected with hydraulic actuating cylinder 3 through 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, and control box assembly 12 is connected with oil pump 7 with solenoid directional control valve 10 respectively with signal wire (SW) 15 through signal wire (SW) 14, and 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 through information conveyor line 30 with control box assembly 12.
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 is just reduction also.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.
Through oil inlet and oil outlet place mounting filtering device filter 17 and filter 18 at hydraulic actuating cylinder 3; The hydraulic oil that two high pressure fuel pipes 11 are got 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, and control box assembly 12 is passed to oil pump 7 and solenoid directional control valve 8 with signal, and 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 comprises oil pump station, control box, hydraulic actuating cylinder and dredge, and 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, and the oil outlet pipe of oil pump is connected with solenoid directional control valve, and the oil outlet pipe of oil pump is connected with fuel tank through pressure adjustment relief valve; The oil outlet of solenoid directional control valve is connected with hydraulic actuating cylinder through two high pressure fuel pipes, and control box is provided with control box assembly and display lamp, and the control box assembly is connected with display lamp; The control box assembly is connected with oil pump with solenoid directional control valve respectively through signal wire (SW), and the piston and the dredge of hydraulic actuating cylinder are in transmission connection, and it is characterized in that: said dredge comprises the pull bar of vertical setting; Pull rod shaft is provided with several scraping blades to level, and all about pull bar axis symmetry, rod outer sleeve is provided with inhibiting device to each scraping blade; Inhibiting device comprises two clamps and two bolts, and two clamps laterally arrange, and two bolts laterally arrange; 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 is fastenedly connected through two nuts with another piece clamp and feed bin respectively, and this clamp is close to the setting of feed bin inwall; Two nuts are positioned at the feed bin outside, 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: said 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 said 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 said 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: said 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: said two high pressure fuel pipes are provided with overvoltage protector, and overvoltage protector is connected through the information conveyor line with the control box assembly.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010211046XA CN101879970B (en) | 2010-06-28 | 2010-06-28 | Full-automatic storage bin dredging device |
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| Publication Number | Publication Date |
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| CN101879970A CN101879970A (en) | 2010-11-10 |
| CN101879970B true CN101879970B (en) | 2012-06-06 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102941990B (en) * | 2012-11-15 | 2014-11-19 | 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 |
| CN104792173A (en) * | 2015-04-03 | 2015-07-22 | 张辞军 | Horizontal multi-tube outside heating manganese dioxide reduction roasting furnace |
| CN104748544A (en) * | 2015-04-03 | 2015-07-01 | 张辞军 | Vertical, multi-pipe and external heating type manganese dioxide reduction roaster |
| 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 |
| CN118149574B (en) * | 2024-04-17 | 2024-09-17 | 浙江钱江伟岸干燥设备有限公司 | Closed-loop circulation flash evaporation drying system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB891135A (en) * | 1959-05-11 | 1962-03-14 | Carves Simon Ltd | Improvements relating to the discharge of material from container |
| CA2396506C (en) * | 2001-08-01 | 2009-12-08 | Mould-Tek Industries 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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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