CN205859564U - Rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system - Google Patents
Rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system Download PDFInfo
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- CN205859564U CN205859564U CN201620746524.XU CN201620746524U CN205859564U CN 205859564 U CN205859564 U CN 205859564U CN 201620746524 U CN201620746524 U CN 201620746524U CN 205859564 U CN205859564 U CN 205859564U
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Abstract
This utility model belongs to coal mine large-mining height coal-winning machine, high-dipping rocker arm of coal mining machine parts oil lubricating system, specifically a kind of rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system.Including oil sump and external spraying pipeline at oil sump, air relief valve, lubrication atomizer passgae, rocker arm of coal mining machine cylinder at adjustable throttling, three-position four-way electromagnetic directional valve I, hydraulic cylinder, flange, three-position four-way electromagnetic directional valve II, grease cylinders, check valve I, check valve II, check valve III, check valve IV, pressure switch, filter I, filter II, rocker arm of coal mining machine motor.This utility model, without additional power power source, uses spraying system hydraulic pressure as power, transmits power by cylinder piston rod, enters oil suction and spraying oil extraction by lubrication oil cylinder.
Description
Technical field
This utility model belongs to coal mine large-mining height coal-winning machine, high-dipping rocker arm of coal mining machine parts oil lubricating system, specifically
It it is a kind of rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system.
Background technology
Coal-winning machine lubrication mainly has splash lubrication and forced feed lubrication two class, mostly based on splash lubrication, for greatly at present
Mining height, high-dipping coal-winning machine, use gear pump type forced feed lubrication.
Splash lubrication: when rocking arm tilts, is in eminence gear and bearing can not get effectively lubricating, be in lower in rocking arm
Gear and bearing are too high due to oil level, impact heat radiation.
Gear pump type forced feed lubrication a: class is on the basis of the original duplex pump of coal-winning machine, then adds one group of gear pump, is used for adopting
The forced feed lubrication of coal machine rocking arm, but owing to pumping plant gear pump rotating speed is high, rocking arm fuel tank fuel quantity is limited, causes instantaneous fuel delivery big,
The forced feed lubrication time is short.Two classes are with rocking arm a certain low-speed gear axle, connect gear pump at axle head, and gear shaft moves as gear pump
Power, carries out forced feed lubrication, but due to during gear pump pumping lubricating oil rotating speed too low, and cannot well set up pressure reduction, actual should
With the most unstable.
Utility model content
This utility model deposits problem in the introduction to solve coal-winning machine lubrication, it is provided that a kind of rocker arm of coal mining machine water
Cylinder pressure formula forcedlubricating system.
This utility model takes techniques below scheme: a kind of rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system, including water
Cylinder pressure and grease cylinders, the piston rod of hydraulic cylinder is threaded connection with the piston rod of grease cylinders, the piston rod of hydraulic cylinder and lubrication
The piston rod stroke of cylinder is identical, and the cylinder body of hydraulic cylinder uses flange to be rigidly connected with the cylinder body of grease cylinders；Described lubrication
Cylinder is provided with on A1 chamber and B1 chamber, A1 chamber and B1 chamber and is respectively arranged with hydraulic fluid port A1 and hydraulic fluid port A2；
The water inlet of hydraulic cylinder connects with the A mouth of three-position four-way electromagnetic directional valve I, the outlet of hydraulic cylinder and 3-position 4-way
The B mouth connection of solenoid directional control valve I, the T mouth of three-position four-way electromagnetic directional valve I and external spraying pipeline connection, 3-position 4-way electromagnetism changes
Connect with power source to the P mouth of valve I, between three-position four-way electromagnetic directional valve I and power source, be provided with adjustable throttling and stop valve.
The hydraulic fluid port A1 of grease cylinders is divided into two oil circuits, an oil circuit to connect with the P mouth of three-position four-way electromagnetic directional valve, another
Bar oil circuit is connected with check valve I oil-in, and the hydraulic fluid port B1 of grease cylinders is divided into two oil circuits, an oil circuit to change with 3-position 4-way electromagnetism
Connecting to the T mouth of valve II, another oil circuit is connected with check valve II hydraulic fluid port, and the oil-out merging of check valve I and check valve II connects
Entering and lubricate atomizer passgae, the B mouth of three-position four-way electromagnetic directional valve II is connected with the oil-out of check valve III, and check valve III enters
Hydraulic fluid port is connected with oil sump at rocker arm of coal mining machine motor by filter I；The A mouth of three-position four-way electromagnetic directional valve II and check valve IV
Oil-out be connected, the oil-in of check valve IV is connected with oil sump at rocker arm of coal mining machine cylinder by filter II.
Oil circuit after the oil-out of check valve I and check valve II merges is provided with air relief valve.
It is provided with pressure switch between oil circuit and air relief valve after the oil-out merging of check valve I and check valve II.
Compared with prior art, this utility model has the advantages that
1., without additional power power source, use spraying system hydraulic pressure as power, transmit power by cylinder piston rod,
Oil suction and spraying oil extraction is entered by lubrication oil cylinder.
2. with conventional lubrication system on power composition and parts composition, having the difference of essence, system heat generation amount is low, with
Original coal-winning machine, in addition to controlling to connect and connecting with spray water, associates without remaining；
3. systems stay work, it is possible to set the lubrication time of fixed interval；
4. the continuous spray time of single is long, low pressure atomizing, high lubricating effect；
5. system bulk is little, easily installs maintenance, can single rocking arm each Self Matching set of system, it is also possible to double rocking arm parallel connections are fitted
With.
6. controlling simple, internal system realizes automatically controlling by the pressure switch feedback signal of telecommunication, and its exterior is permissible
Individually closed by stop valve, by artificial Electronic control three-position four-way electromagnetic directional valve, change rocking arm at different mining heights
Position, oil suction pond during position.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
1-stop valve in figure, 2-adjustable throttling, 3-three-position four-way electromagnetic directional valve I, 4-hydraulic cylinder, 5-flange, 6-tri-
Position four-way electromagnetic reversing valve II, 7-grease cylinders, 8.1-check valve I, 8.2-check valve II, 8.3-check valve III, 8.4-check valve
IV, 9-pressure switch, oil sump at 10.1-filter I, 10.2-filter II, 11-rocker arm of coal mining machine motor, 12-air relief valve,
13-lubricates atomizer passgae, oil sump at 14-rocker arm of coal mining machine cylinder, 15-external spraying pipeline.
Detailed description of the invention
As it is shown in figure 1, a kind of rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system, including hydraulic cylinder 4 and grease cylinders 7, water
The piston rod of cylinder pressure 4 is threaded connection with the piston rod of grease cylinders 7, the piston rod of hydraulic cylinder 4 and the piston rod row of grease cylinders 7
Cheng Xiangtong, the cylinder body of hydraulic cylinder 4 uses flange 5 to be rigidly connected with the cylinder body of grease cylinders 7；Described grease cylinders 7 is provided with A1
Hydraulic fluid port A1 and hydraulic fluid port A2 it is respectively arranged with on chamber and B1 chamber, A1 chamber and B1 chamber.
The water inlet of hydraulic cylinder 4 connects with the A mouth of three-position four-way electromagnetic directional valve I3, the outlet of hydraulic cylinder 4 and three
The B mouth connection of four-way electromagnetic reversing valve I3, the T mouth of three-position four-way electromagnetic directional valve I3 connects with external spraying pipeline 15, three four
The P mouth of electric change valve I3 connects with power source, is provided with adjustable between three-position four-way electromagnetic directional valve I3 and power source
Valve 2 and stop valve 1.
The hydraulic fluid port A1 of grease cylinders 7 is divided into two oil circuits, an oil circuit to connect with the P mouth of three-position four-way electromagnetic directional valve II6,
Another oil circuit is connected with check valve I8.1 oil-in, and the hydraulic fluid port B1 of grease cylinders 7 is divided into two oil circuits, an oil circuit and three four
The T mouth connection of electric change valve II6, another oil circuit is connected with check valve II8.2 oil-in, check valve I8.1 and check valve
The oil-out of II8.2 merges access lubrication atomizer passgae 13, the B mouth of three-position four-way electromagnetic directional valve II6 and check valve III8.3
Oil-out be connected, the oil-in of check valve III8.3 is connected with oil sump 11 at rocker arm of coal mining machine motor by filter I10.1；
The A mouth of three-position four-way electromagnetic directional valve II6 is connected with the oil-out of check valve IV8.4, and the oil-in of check valve IV8.4 passed through
Filter II10.2 is connected with oil sump 14 at rocker arm of coal mining machine cylinder.
Power system principle and structure:
1) system principle: native system uses coal miner spray system pressure water (6 7Mpa) to be power source, by driving water
Cylinder pressure 4 piston moves reciprocatingly, and the piston rod of hydraulic cylinder 4 is threaded connection with grease cylinders 7 piston rod, hydraulic cylinder 4 piston rod
Reciprocating motion, promote grease cylinders 7 piston move reciprocatingly, hydraulic cylinder 4 is identical with grease cylinders 7 piston stroke.
2) system structure: water suction cylinder pressure 4 supplies water in water route, is furnished with stop valve 1 and closes for the shutdown of system and maintenance；Join
There is adjustable throttling 2 to change hydraulic cylinder 4 flow of inlet water, reach to control the purpose of hydraulic cylinder 4 piston movement speed；Also configure that three
Four-way electromagnetic reversing valve 3, changes the water inlet direction of hydraulic cylinder 4, and draining is discharged by external spraying pipeline 15, meanwhile, in system not
During work, if desired for strengthening external spraying effect, by the Median Function of three-position four-way electromagnetic directional valve 3, water will be entered and directly connect
External spraying pipeline 15 is discharged, it is achieved external spraying.
Lubricating system principle and structure:
1) the continuous principles and structure of lubricating system: grease cylinders 7 piston rod uses with hydraulic cylinder 4 threadeds, cylinder
Body uses flange 5 to be rigidly connected, design A chamber and A1 cavity length LA＞ LA1, it is ensured that grease cylinders A1, B1 chamber work in system
Time, it is possible to achieve total travel works, and when grease cylinders 7 piston is in extreme position, lubricating system outlet pressure is 0MPa, now
Pressure switch 9 sends signal, controls three-position four-way electromagnetic directional valve 3 and carries out switch operation, it is achieved hydraulic cylinder 4 drives grease cylinders
7 move toward another direction, thus the system that realizes works continuously.
2) the lubricating oil pumping theory of lubricating system and structure: B1 chamber, grease cylinders 7A1 chamber is respectively provided with a hydraulic fluid port, each
Individual outlet is divided into two-way oil circuit, a point of oil circuit to be connected with three-position four-way electromagnetic directional valve 6, a point of oil circuit and check valve I8.1
After being connected with check valve II8.2, then two-way check valve I8.1 and check valve II8.2 oil circuit are merged access lubrication atomizer passgae
13；Lubrication atomizer passgae 13 passes through air relief valve 12 by final spray press control between 0.5-0.8MPa, and air relief valve 12 is with single
To between valve I8.1, check valve II8.2 use pressure switch 9 gather pressure signal, by measure pressure size and judge be
Whether system commutates.
3) lubricating oil of lubricating system draws principle and structure: suck fuel tank by rocker arm of coal mining machine cylinder oil sump 14 with adopt
Forming at oil sump 11 liang at coal machine Rocker arm-motor, two-way sucks in oil circuit, is respectively provided with filter 10 and check valve 8, filter 10
Playing the effect of cleaning spraying system mist of oil, when check valve 8 stops grease cylinders 7 oil extraction, lubricating oil returns oil by oil suction line
Pond.Two-way inlet line is connected with grease cylinders 7 by three-position four-way electromagnetic directional valve 6, the system manually or automatically signal of telecommunication,
Make three-position four-way electromagnetic directional valve 6 obtain electric work, change spool position, change oil suction position, it is ensured that oil suction oil sump is in low
Position.When rocker arm of coal mining machine is in mining height position, at rocker arm of coal mining machine motor, oil sump 11 is as sucking fuel tank, works as rocker arm of coal mining machine
When being in planted agent position, at rocker arm of coal mining machine cylinder, oil sump 14 is as sucking fuel tank.
Claims (3)
1. a rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system, it is characterised in that: include hydraulic cylinder (4) and grease cylinders (7),
The piston rod of hydraulic cylinder (4) is threaded connection with the piston rod of grease cylinders (7), the piston rod of hydraulic cylinder (4) and grease cylinders (7)
Piston rod stroke identical, the cylinder body of the cylinder body of hydraulic cylinder (4) and grease cylinders (7) uses flange (5) to be rigidly connected；Described
Grease cylinders (7) be provided with on A1 chamber and B1 chamber, A1 chamber and B1 chamber and be respectively arranged with hydraulic fluid port A1 and hydraulic fluid port A2；
The water inlet of hydraulic cylinder (4) and three-position four-way electromagnetic directional valve I(3) A mouth connect, the outlet and three of hydraulic cylinder (4)
Position four-way electromagnetic reversing valve I(3) the connection of B mouth, three-position four-way electromagnetic directional valve I(3) T mouth and external spraying pipeline (15) even
Logical, three-position four-way electromagnetic directional valve I(3) P mouth connect with power source, three-position four-way electromagnetic directional valve I(3) and power source between
It is provided with adjustable throttling (2) and stop valve (1)；
The hydraulic fluid port A1 of grease cylinders (7) is divided into two oil circuits, an oil circuit and three-position four-way electromagnetic directional valve II(6) P mouth connect,
Another oil circuit and check valve I(8.1) oil-in is connected, and the hydraulic fluid port B1 of grease cylinders (7) is divided into two oil circuits, an oil circuit and three
Position four-way electromagnetic reversing valve II(6) the connection of T mouth, another oil circuit and check valve II(8.2) oil-in is connected, check valve I
(8.1) and check valve II(8.2) oil-out merge access lubrication atomizer passgae (13), three-position four-way electromagnetic directional valve II(6)
B mouth and check valve III(8.3) oil-out be connected, check valve III(8.3) oil-in by filter I(10.1) with adopt
At coal machine Rocker arm-motor, oil sump (11) is connected；Three-position four-way electromagnetic directional valve II(6) A mouth and check valve IV(8.4) fuel-displaced
Mouthful be connected, check valve IV(8.4) oil-in by filter II(10.2) be connected with oil sump (14) at rocker arm of coal mining machine cylinder.
Rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system the most according to claim 1, it is characterised in that: check valve I
(8.1) and check valve II(8.2) oil-out merge after oil circuit be provided with air relief valve (12).
Rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system the most according to claim 2, it is characterised in that: check valve I
(8.1) and check valve II(8.2) oil-out merge after oil circuit and air relief valve (12) between be provided with pressure switch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620746524.XU CN205859564U (en) | 2016-07-15 | 2016-07-15 | Rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620746524.XU CN205859564U (en) | 2016-07-15 | 2016-07-15 | Rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859564U true CN205859564U (en) | 2017-01-04 |
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ID=57647544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620746524.XU Active CN205859564U (en) | 2016-07-15 | 2016-07-15 | Rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system |
Country Status (1)
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| CN (1) | CN205859564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051437A (en) * | 2016-07-15 | 2016-10-26 | 太重煤机有限公司 | Water hydraulic cylinder type forced lubrication system for rocker arm of coal cutter |
-
2016
- 2016-07-15 CN CN201620746524.XU patent/CN205859564U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051437A (en) * | 2016-07-15 | 2016-10-26 | 太重煤机有限公司 | Water hydraulic cylinder type forced lubrication system for rocker arm of coal cutter |
| CN106051437B (en) * | 2016-07-15 | 2018-12-28 | 太重煤机有限公司 | Rocker arm of coal mining machine hydraulic cylinder formula forcedlubricating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190717 Address after: 030699 Yuci Industrial Park, Shanxi, Jinzhong Patentee after: Shanxi Matt Machinery Manufacturing Co., Ltd. Address before: 030032 Taiyuan economic and Technological Development Zone, Shanxi city street, No. 25 Patentee before: Taizhong Coal Mining Machinery Co., Ltd. |