CN201721833U - Intelligent stock bin dredging machine - Google Patents
Intelligent stock bin dredging machine Download PDFInfo
- Publication number
- CN201721833U CN201721833U CN2010202396829U CN201020239682U CN201721833U CN 201721833 U CN201721833 U CN 201721833U CN 2010202396829 U CN2010202396829 U CN 2010202396829U CN 201020239682 U CN201020239682 U CN 201020239682U CN 201721833 U CN201721833 U CN 201721833U
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- oil
- oil pump
- control box
- solenoid directional
- stock bin
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Abstract
The utility model discloses an intelligent stock bin dredging machine which includes an oil supply station, a control box, a hydraulic cylinder and a dredging device; the oil supply station is provided with an oil tank, an oil pump, a pressure-regulating overflow valve and a solenoid directional valve; the oil outlet of the solenoid directional valve is connected with the hydraulic cylinder through two high pressure oil tubes; a control box component and a display lamp are arranged on the control box; the control box component is connected with the display lamp, and is respectively connected with the solenoid directional valve and the oil pump through signal wires; the piston of the hydraulic cylinder is connected with the dredging device in a transmission way; the oil inlet and the oil outlet of the hydraulic cylinder are respectively provided with a filter; and the two filters are respectively connected with the oil outlets of the two high pressure oil tubes. The filters in the intelligent stock bin dredging machine filter the impurities of the hydraulic oil in the high pressure oil tubes, and improve the cleanness of the hydraulic oil, thereby solving the phenomena such as oil leakage of the hydraulic cylinder as well as blockage of the solenoid directional valve and the pressure-regulating overflow valve, etc, and prolonging the service lives of the hydraulic cylinder, the oil pump, the solenoid directional valve and the pressure-regulating overflow valve.
Description
Technical field
The utility model belongs to the mining machinery technical field, relates 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.
The utility model content
The utility model 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 utility model 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-shaped 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-shaped 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 utility model;
Fig. 2 is the mounting structure scheme drawing of dredge in the middle of the utility model;
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 utility model, 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.
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-shaped 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 |
|---|---|---|---|
| CN2010202396829U CN201721833U (en) | 2010-06-28 | 2010-06-28 | Intelligent stock bin dredging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202396829U CN201721833U (en) | 2010-06-28 | 2010-06-28 | Intelligent stock bin dredging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201721833U true CN201721833U (en) | 2011-01-26 |
Family
ID=43490137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202396829U Expired - Lifetime CN201721833U (en) | 2010-06-28 | 2010-06-28 | Intelligent stock bin dredging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201721833U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879972A (en) * | 2010-06-28 | 2010-11-10 | 濮阳市亚利机械制造有限公司 | Intelligent dredging machine for stock bin |
| CN102658927A (en) * | 2012-05-21 | 2012-09-12 | 濮阳市亚利机械制造有限公司 | Electric storage bin dredging machine |
| CN103395576A (en) * | 2013-07-31 | 2013-11-20 | 徐斌 | Dredging device for solid materials |
-
2010
- 2010-06-28 CN CN2010202396829U patent/CN201721833U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879972A (en) * | 2010-06-28 | 2010-11-10 | 濮阳市亚利机械制造有限公司 | Intelligent dredging machine for stock bin |
| CN101879972B (en) * | 2010-06-28 | 2011-08-17 | 濮阳市亚利机械制造有限公司 | Intelligent dredging machine for stock bin |
| CN102658927A (en) * | 2012-05-21 | 2012-09-12 | 濮阳市亚利机械制造有限公司 | Electric storage bin dredging machine |
| CN102658927B (en) * | 2012-05-21 | 2014-01-22 | 濮阳市亚利机械制造有限公司 | Electric storage bin dredging machine |
| CN103395576A (en) * | 2013-07-31 | 2013-11-20 | 徐斌 | Dredging device for solid materials |
| CN103395576B (en) * | 2013-07-31 | 2015-07-15 | 徐斌 | Dredging device for solid materials |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110126 Effective date of abandoning: 20110817 |