CN206036199U - Cooling and lubrication system of coal -winning machine rocking arm bearing group - Google Patents
Cooling and lubrication system of coal -winning machine rocking arm bearing group Download PDFInfo
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- CN206036199U CN206036199U CN201620925730.7U CN201620925730U CN206036199U CN 206036199 U CN206036199 U CN 206036199U CN 201620925730 U CN201620925730 U CN 201620925730U CN 206036199 U CN206036199 U CN 206036199U
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- oil
- gear pump
- cooling
- bearing group
- bearing
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Abstract
The utility model discloses a cooling and lubrication system of coal -winning machine rocking arm bearing group, including coal -winning machine rocking arm casing, straight -tooth drive mechanism and cooling and lubrication device, form arm body oil pocket between straight -tooth drive mechanism and the coal -winning machine rocking arm casing, the cooling and lubrication device includes filter mechanism, double gear pump and cooling body, the cooling body lets in lubricating oil through bearing group lubricating oil passageway net to straight -tooth drive mechanism middle (center) bearing group, bearing group lubricating oil passageway net including set up on coal -winning machine rocking arm casing and with main oil gallery that the cooling body is connected and with the main oil gallery intercommunication and be the bearing that straight -tooth drive mechanism middle (center) bearing group carried lubricating oil and organize lubrication passage. The utility model discloses simple structure, reasonable in design carries out lubrication and cooling through setting up the cooling and lubrication device to straight -tooth drive mechanism middle (center) bearing group, improves the life of bearing group, makes coal -winning machine rocking arm working property stable, improves the production efficiency of coal -winning machine, and the practicality is strong.
Description
Technical field
The utility model belongs to rocker arm of coal mining machine bearing group lubrication technical field, and in particular to a kind of rocker arm of coal mining machine
Bearing group cooling and lubricating system.
Background technology
It is in each producer's rocker arm of coal mining machine at present to be provided with lubricating arrangement more, transmission system bearing is lubricated, is lubricated mostly
Device, according to rocker arm of coal mining machine different operating attitude, is lubricated for specific bearing, and adaptability is restricted.Lubricate simultaneously
Adopt gear pump more device, affected by rocker arm of coal mining machine difference attitude, the arm body chamber lubricating oil level of rocker arm of coal mining machine is continuous
Change, gear pump presence are emptied risk, and lubricating oil is impure more, and gear pump fault rate is higher, affect bearing lubrication effect.
During in rocker arm of coal mining machine, the cooling of transmission system bearing group relies primarily on transmission system drive cavity simultaneously, lubricating oil flow takes away work
Heat, cooling effect are preferable not to the utmost.Therefore, a kind of simple structure, a kind of rocker arm of coal mining machine axle reasonable in design are nowadays lacked
A group cooling and lubricating system is held, cooling is lubricated to straight-tooth transmission mechanism middle (center) bearing group by arranging cooling and lubricating device, is improved
Bearing group service life, makes rocker arm of coal mining machine stable work in work, improves the production efficiency of coal-winning machine.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of to mine
Machine rocker bearing group cooling and lubricating system, its simple structure are reasonable in design, by arranging cooling and lubricating device to straight-tooth driver
Structure middle (center) bearing group is lubricated cooling, improves bearing group service life, makes rocker arm of coal mining machine stable work in work, improves coal-winning machine
Production efficiency, it is practical, be easy to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of rocker arm of coal mining machine bearing group is cold
But lubricating system, it is characterised in that：Including rocker arm of coal mining machine housing, the straight-tooth transmission mechanism being arranged in rocker arm of coal mining machine housing
And be connected with straight-tooth transmission mechanism and be lubricated the cooling and lubricating device of cooling, institute for straight-tooth transmission mechanism middle (center) bearing group
State formation arm body oil pocket between straight-tooth transmission mechanism and rocker arm of coal mining machine housing；
The cooling and lubricating device includes being arranged in rocker arm of coal mining machine housing and carrying out the lubricating oil in arm body oil pocket
Duplex gear pump and the duplex gear pump is exported that the filter mechanism of filtration and the filter mechanism output end connect
The cooling body that cooled down of lubricating oil；The cooling body is by bearing group grease channel net to straight-tooth transmission mechanism axis
Hold group and be passed through lubricating oil, the straight-tooth transmission mechanism is connected with the duplex gear pump and which is that the duplex gear pump is carried
For power；
The bearing group grease channel net is included being arranged on rocker arm of coal mining machine housing and is connected with the cooling body
Main oil gallery and connect with main oil gallery and for straight-tooth transmission mechanism middle (center) bearing group convey lubricating oil bearing group lubrication channel.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：The filter mechanism include with
First filter of arm body oil pocket low level inlet port connection and the second filter being connected with arm body oil pocket high position inlet port, it is described
First filter and the second filter are connected with the duplex gear pump.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：The straight-tooth transmission mechanism includes
Power transmission shaft, the travelling gear being set on power transmission shaft and the bearing group being arranged on the travelling gear, the bearing group include
It is arranged on the travelling gear side and the inboard bearing near coal arm side and is arranged on the travelling gear opposite side and close
The outboard bearing of old man side；
The travelling gear is connected with the duplex gear pump by drive disk assembly.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：The duplex gear pump includes first
Gear pump and second gear pump, and the first gear pump and second gear pump be integrally formed；
The oil-in of the first gear pump is connected with the output end of the first filter, the oil-in of the second gear pump
It is connected with the output end of the second filter, oil-out and the cooling body of the first gear pump and second gear pump connect
Connect.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：The cooling body is cooler,
The input of the cooler is connected with the oil-out of the oil-out and second gear pump of first gear pump.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：The bearing group lubrication channel includes
The middle insertion oil duct of the inner side oil duct and main oil gallery connection of lubricating oil is connected and is conveyed for inboard bearing with main oil gallery and with
Between the connection of insertion oil duct and convey the outside oil duct of lubricating oil for outboard bearing, the middle insertion oil duct and main oil gallery are in level
Vertical runs, the inner side oil duct are in vertical vertical runs with main oil gallery, and the outside oil duct is in parallel laying with inner side oil duct,
The outside oil duct, inner side oil duct and middle insertion oil duct are in the same vertical plane of rocker arm of coal mining machine housing.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：The first gear pump and the second tooth
Two oil-ins and two oil-outs are provided with wheel pump；
An oil-in on the first gear pump is connected with the first filter output end by the first oil hose, institute
State on first gear pump oil-out to be connected with an oil-in on second gear pump by the second oil hose；
Another oil-in on the second gear pump is connected with the second filter output end by the 3rd oil hose,
An oil-out on two gear pump is connected with another oil-in on first gear pump by the 4th oil hose；
Another oil-out on another oil-out and two gear pump on the first gear pump is by the
Five oil hoses are connected with the input of cooler.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：It is another on the first gear pump
One-way control valve is provided between another oil-out and the input of cooler on individual oil-out and the second gear pump.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：The duplex gear pump passes through flange
Disk is fixedly connected with gland, and the gland is arranged on rocker arm of coal mining machine housing；
One end of the drive disk assembly is connected with the duplex gear pump by flat key, the drive disk assembly it is another
End is connected with the travelling gear gear.
A kind of above-mentioned rocker arm of coal mining machine bearing group cooling and lubricating system, is characterized in that：The straight-tooth transmission mechanism is seven grades
Straight-tooth transmission mechanism, the power transmission shaft, the travelling gear and the bearing group are seven, the quantity of the inner side oil duct with
The quantity of inboard bearing is identical and is seven, the number of the quantity of the middle insertion oil duct and outside oil duct with outboard bearing
Amount is identical and is seven, and the main oil gallery is connected with inboard bearing through inner side oil duct, and the main oil gallery sequentially passes through centre
Insertion oil duct and outside oil duct are connected with outboard bearing.
The utility model has advantages below compared with prior art：
1st, the utility model is adopted cooling and lubricating device simple structure, reasonable in design and input cost are relatively low, install
It is convenient to lay.
2nd, the cooling and lubricating device for being adopted includes filter mechanism, duplex gear pump and cooling body, in arm body oil pocket
Lubricating oil filtered by filter mechanism, the lubricating oil after filtration is delivered in duplex gear pump, when straight-tooth driver
When structure is rotated, straight-tooth transmission mechanism provides power for duplex gear pump, makes duplex gear pump carry out oil suction and oil extraction, duplicate gear
Pump removal of lubricant is delivered to cooling body and is cooled down, and the lubricating oil after cooling is delivered to by bearing group grease channel net
Straight-tooth transmission mechanism middle (center) bearing group, eventually passes back to arm body oil pocket, it is ensured that straight-tooth transmission mechanism middle (center) bearing can obtain lubricating and cold
But, bearing fault rate is reduced, improves bearing service life, make rocker arm of coal mining machine stable work in work, improve the production of coal-winning machine
Efficiency.
3rd, the cooling and lubricating device bearing cooling for being adopted and high lubricating effect, lubricating oil reusable edible.Adopted
Filter mechanism is filtered to the lubricating oil in arm body oil pocket, is considered and lubrication well cuts, prevents large granular impurity from entering bearing
It is internal that bearing is caused to damage；Complementation is carried out to the lubricating oil that filter mechanism is exported by arranging duplex gear pump, it is to avoid duplex
When arm body chamber lubricating oil level changes, duplex gear pump presence is emptied risk to gear pump, it is ensured that can be continuously bearing group profit
Oil pathway net conveys lubricating oil, it is ensured that bearing can be adequately cooled and sufficiently lubricate so that cooling and lubricating process is easy
It is convenient in realizing and realizing.
4th, the duplex gear pump for being adopted, duplex gear pump are connected with straight-tooth transmission mechanism, by straight-tooth driver
Structure provides power for duplex gear pump, drives duplex gear pump to complete oil suction and oil extraction action, it is to avoid to arrange and drive duplicate gear
The power set of pump work, low cost.
5th, the cooling and lubricating device for being adopted has saves lubricating oil so that the lubricating oil of bearing lubrication cooling is entered again
Enter arm body oil pocket, be both easy to recycle, reduce lubricating oil, lubricating oil can take away most of frictional heat of Bearing inner again, it is full
The lubrication of sufficient bearing, while good heat dissipation effect, improves bearing service life.
6th, the utility model design cost is low, and it is convenient to realize, reduces fault rate, reduces production cost and maintenance cost,
It is practical, it is easy to promote the use of.
In sum, the utility model simple structure, it is reasonable in design, by arranging cooling and lubricating device to straight-tooth driver
Structure middle (center) bearing group is lubricated cooling, improves bearing group service life, makes rocker arm of coal mining machine stable work in work, improves coal-winning machine
Production efficiency, it is practical, be easy to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is partial enlarged drawing at the A of Fig. 1.
B-B sectional views of the Fig. 3 for Fig. 1.
Structural representations of the Fig. 4 for the utility model bearing group grease channel net.
Description of reference numerals:
1 rocker arm of coal mining machine housing；2 arm body oil pockets；
3 inboard bearings；4 outboard bearings；
5 straight-tooth transmission mechanisms；The first power transmission shafts of 5-1；The first inboard bearings of 5-1-1；
The first outboard bearings of 5-1-2；5-2 second driving shafts；The second inboard bearings of 5-2-1；
The second outboard bearings of 5-2-2；The 3rd power transmission shafts of 5-3；The 3rd inboard bearings of 5-3-1；
The 3rd outboard bearings of 5-3-2；The 4th power transmission shafts of 5-4；The 4th inboard bearings of 5-4-1；
The 4th outboard bearings of 5-4-2；The 5th power transmission shafts of 5-5；The 5th inboard bearings of 5-5-1；
The 5th outboard bearings of 5-5-2；The 6th power transmission shafts of 5-6；The 6th inboard bearings of 5-6-1；
The 6th outboard bearings of 5-6-2；The 7th power transmission shafts of 5-7；The 7th inboard bearings of 5-7-1；
The 7th outboard bearings of 5-7-2；6 outside oil ducts；7 inner side oil ducts；
8 middle insertion oil ducts；9 main oil gallerys；10 bearing group grease channel nets；
11 first filters；12 second filters；13 first gear pumps；
14 second gear pumps；15 glands；16 drive disk assemblies；
17 flat keys；18 the 3rd spur gears；19 one-way control valves；
20 coolers.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the utility model includes rocker arm of coal mining machine housing 1, is arranged on rocker arm of coal mining machine housing
Straight-tooth transmission mechanism 5 in 1 and it is connected with straight-tooth transmission mechanism 5 and is lubricated for 5 middle (center) bearing group of straight-tooth transmission mechanism
The cooling and lubricating device of cooling, forms arm body oil pocket 2 between the straight-tooth transmission mechanism 5 and rocker arm of coal mining machine housing 1；
The cooling and lubricating device includes being arranged in rocker arm of coal mining machine housing 1 and entering the lubricating oil in arm body oil pocket 2
Filter mechanism and the duplex gear pump and defeated to the duplex gear pump of filter mechanism output end connection that row is filtered
The cooling body cooled down by the lubricating oil for going out；The cooling body is by bearing group grease channel net 10 to straight-tooth transmission mechanism
5 middle (center) bearing groups are passed through lubricating oil, and the straight-tooth transmission mechanism 5 is connected with the duplex gear pump and which is the duplex-gear
Wheel pump provides power；
The bearing group grease channel net 10 is included being arranged on rocker arm of coal mining machine housing 1 and is connected with the cooling body
The main oil gallery 9 for connecing and the bearing group lubrication for being connected with main oil gallery 9 and conveying lubricating oil for 5 middle (center) bearing group of straight-tooth transmission mechanism are led to
Road.
In the present embodiment, the filter mechanism includes the first filter 11 being connected with 2 low level inlet port of arm body oil pocket
And the second filter 12 being connected with the high-order inlet port of arm body oil pocket 2, first filter 11 and the second filter 12 with
The duplex gear pump connection.
During actually used, the first filter 11 and the second filter 12 respectively with 2 low level inlet port of arm body oil pocket and
2 high-order inlet port connection of arm body oil pocket, on the one hand, by arranging the first filter 11 and the second filter 12 to arm body oil pocket 2
Lubricating oil filtered, consider and lubrication well cuts, prevent large granular impurity into Bearing inner to bearing cause damage；Separately
On the one hand, when 2 liquid level of arm body oil pocket changes, no matter 2 lubricant level of arm body oil pocket height can enter first gear
Pump 13 and second gear pump 14, it is ensured that the lubrication effect of bearing.
During actually used, first filter 11 and the second filter 12 are strong magnetic tube pipe filter, described
Strong magnetic tube pipe filter is combined with blocking filter net by the strong magnetic material using high-coercive force, with the punching of moment liquid stream
Hit or high flow condition under, adsorb the ability of micron-sized ferromagnetism pollutant, so as to avoiding the stuck of duplex gear pump or rubbing
Abrasion during wiping, and then bearing is protected, extend duplex gear pump service life, strengthen the reliability of the cooling and lubricating device.
In the present embodiment, the straight-tooth transmission mechanism 5 includes power transmission shaft, the travelling gear being set on power transmission shaft and setting
Bearing group on the travelling gear, the bearing group include being arranged on the travelling gear side and near the interior of coal arm side
Side bearing 3 and the outboard bearing 4 for being arranged on the travelling gear opposite side and close old man side；
The travelling gear is connected with the duplex gear pump by drive disk assembly 16, and the travelling gear passes through
Drive disk assembly 16 provides power for the duplex gear pump.
In the present embodiment, the duplex gear pump includes first gear pump 13 and second gear pump 14, and first tooth
Wheel pump 13 and second gear pump 14 are integrally formed；
The oil-in of the first gear pump 13 is connected with the output end of the first filter 11, the second gear pump 14
Oil-in is connected with the output end of the second filter 12, the oil-out of the first gear pump 13 and second gear pump 14 with it is described
Cooling body connects.
In the present embodiment, the cooling body is cooler 20, the input of the cooler 20 with first gear pump
13 oil-out and the oil-out connection of second gear pump 14.
As shown in figure 4, in the present embodiment, the bearing group lubrication channel includes connecting with main oil gallery 9 and for inboard bearing 3
The conveying inner side oil duct 7 of lubricating oil, the middle insertion oil duct 8 connected with main oil gallery 9 and connect with middle insertion oil duct 8 and be outer
Side bearing 4 conveys the outside oil duct 6 of lubricating oil, and the middle insertion oil duct 8 is laid in horizontal vertical with main oil gallery 9, described interior
Side oil duct 7 is in vertical vertical runs with main oil gallery 9, and the outside oil duct 6 is in parallel laying with inner side oil duct 7, the outside oil
Road 6, inner side oil duct 7 and middle insertion oil duct 8 are in 1 same vertical plane of rocker arm of coal mining machine housing.
In the present embodiment, be provided with two oil-ins on the first gear pump 13 and second gear pump 14 and two go out
Hydraulic fluid port；
An oil-in on the first gear pump 13 passes through the first oil hose and 11 output end of the first filter connects
Connect, an oil-out on the first gear pump 13 is by an oil-in on the second oil hose and second gear pump 14
Connection；
Another oil-in on the second gear pump 14 passes through 12 output end of the 3rd oil hose and the second filter
Connection, an oil-out on two gear pump 14 is by another oil-feed on the 4th oil hose and first gear pump 13
Mouth connection；
Another oil-out on another oil-out and two gear pump 14 on the first gear pump 13 leads to
Cross the 5th oil hose to be connected with the input of cooler 20.
During actually used, the one or three is respectively arranged with the oil-in and oil-out of the first gear pump 13 and is connected
Head so that the first gear pump 13 has two oil-ins and two oil-outs, two on the first gear pump 13 enter
Hydraulic fluid port and two outlets are respectively oil-in A1, oil-in B1, oil-out C1 and oil-out D1；The second gear pump 14 enters
The second three-way connection is respectively arranged with hydraulic fluid port and oil-out so that the second gear pump 14 has two oil-ins and two
Oil-out, two oil-ins of the second gear pump 14 and two outlets are respectively oil-in A2, oil-in B2, oil-out C2
With oil-out D2；
Oil-in A1 on the first gear pump 13 is by 11 output end of first oil hose and the first filter
Connection, the oil-out D1 on the first gear pump 13 is by the oil-in on second oil hose and second gear pump 14
B2 connects, and the oil-in A2 on the second gear pump 14 is connected by the 3rd oil hose and 12 output end of the second filter
Connect, the oil-out D2 on the second gear pump 14 is connected with the oil-in B1 on first gear pump 13 by the 4th oil hose
Connect, complementation is carried out to the lubricating oil of the first filter 11 and the output of the second filter 12 respectively, it is to avoid first gear pump 13 or the
When arm body chamber lubricating oil level changes, first gear pump 13 or the presence of second gear pump 14 are emptied risk to two gear pumps 14,
Guarantee to be continuously the conveying lubricating oil of bearing group grease channel net 11, it is ensured that bearing can be adequately cooled and sufficiently moisten
It is sliding so that cooling and lubricating process is easily achieved and realizes conveniently.
It is in the present embodiment, another on another oil-out and the second gear pump 14 on the first gear pump 13
One-way control valve 19 is provided between the input of individual oil-out and cooler 20.
It is during actually used, fuel-displaced on the oil-out C1 and the second gear pump 14 on the first gear pump 13
One-way control valve 19 is provided between mouth C2 and the input of cooler 20.
During actually used, the quantity of the 5th oil hose and one-way control valve 19 is equal two, described in two
One-way control valve 19 is separately positioned on the 5th oil hose, carries out according to the actual requirements operating one-way control valve 19, institute
The opening control first gear pump 13 and the work conveying lubricating oil of second gear pump 14 of one-way control valve 19 is stated, it is described unidirectionally controlled
The closing control first gear pump 13 of valve 19 and second gear pump 14 stop conveying lubricating oil.
In the present embodiment, the duplex gear pump is fixedly connected with gland 15 by ring flange, and the gland 15 is arranged on
On rocker arm of coal mining machine housing 1；
One end of the drive disk assembly 16 is connected with the duplex gear pump by flat key 17, the drive disk assembly 16
The other end be connected with the travelling gear gear.
In the present embodiment, the straight-tooth transmission mechanism 5 be seven grades of straight-tooth transmission mechanisms, the power transmission shaft, the driving cog
Wheel and the bearing group are seven, and the quantity of the inner side oil duct 7 is identical with the quantity of inboard bearing 3 and is seven, institute
The quantity for stating middle insertion oil duct 8 and outside oil duct 6 is identical with the quantity of outboard bearing 4 and be seven, the main oil gallery 9
Connect with inboard bearing 3 through inner side oil duct 7, the main oil gallery 9 sequentially pass through middle insertion oil duct 8 and outside oil duct 6 with it is outer
Side bearing 4 is connected.
During actually used, the first power transmission shaft 5-1 that seven power transmission shafts are respectively connected successively, second pass
Moving axis 5-2, the 3rd power transmission shaft 5-3, the 4th power transmission shaft 5-4, the 5th power transmission shaft 5-5, the 6th power transmission shaft 5-6 and the 7th power transmission shaft 5-
7；
Seven travelling gears are respectively and are set in the first power transmission shaft 5-1, second driving shaft 5-2, the 3rd power transmission shaft 5-
3rd, on the 4th power transmission shaft 5-4, the 5th power transmission shaft 5-5, the 6th power transmission shaft 5-6 and the 7th power transmission shaft 5-7 and successively engagement connection
First spur gear, the second spur gear, the 3rd spur gear 18, the 4th spur gear, the 5th spur gear, the 6th spur gear and the 7th straight-tooth
Wheel；
Seven inboard bearings 3 be respectively be arranged on the first spur gear side and near coal arm side, described second
Spur gear side and near coal arm side, the 3rd spur gear side and near coal arm side, the 4th spur gear side and lean on
Nearly coal arm side, the 5th spur gear side and near coal arm side, the 6th spur gear side and near coal arm side and described
7th spur gear side and the first inboard bearing 5-1-1 near coal arm side, the second inboard bearing 5-2-1, the 3rd inboard bearing
5-3-1, the 4th inboard bearing 5-4-1, the 5th inboard bearing 5-5-1, the 6th inboard bearing 5-6-1 and the 7th inboard bearing 5-7-
1；
Seven outboard bearings 4 be respectively be arranged on the first spur gear opposite side and near old man side, described the
Two spur gear opposite sides and near old man side, the 3rd spur gear opposite side and another near old man side, the 4th spur gear
Side and near old man side, the 5th spur gear opposite side and near old man side, the 6th spur gear side opposite side and
The first outboard bearing 5-1-2, the second outboard bearing near old man side and the 7th spur gear opposite side and close old man side
5-2-2, the 3rd outboard bearing 5-3-2, the 4th outboard bearing 5-4-2, the 5th outboard bearing 5-5-2, the 6th outboard bearing 5-6-2
With the 7th outboard bearing 5-7-2.
As shown in figure 3, in the present embodiment, one end of the drive disk assembly 16 is by flat key 17 and first gear pump 13 and the
One gear pump 13 is connected, and the other end of the drive disk assembly 16 is connected with 18 gear of the 3rd spur gear, the 3rd spur gear 18
Rotation be that first gear pump 13 and first gear pump 13 provide power by drive disk assembly 16 so that 13 He of first gear pump
First gear pump 13 works, and makes first gear pump 13 and first gear pump 13 complete oil suction and oil extraction action, it is to avoid arranges and drives
The power set of duplicate gear pump work, low cost.
During actually used, seven middle insertion oil ducts 8 are respectively horizontal vertical and are connected to the first of main oil gallery 9
Middle insertion oil duct, the second middle insertion oil duct, the 3rd middle insertion oil duct, the 4th middle insertion oil duct, the 5th middle insertion
Oil duct, the 6th middle insertion oil duct and the 7th insertion oil duct, seven inner side oil ducts 7 are respectively vertically vertically connected at main oil
The first inner side oil duct in road 9, the second inner side oil duct, the 3rd inner side oil duct, the 4th inner side oil duct, the 5th inner side oil duct, in the 6th
Side oil duct and the 7th inner side oil duct, it is first inner side oil duct, second inner side oil duct, the 3rd inner side oil duct, described
4th inner side oil duct, the 5th inner side oil duct, the 6th inner side oil duct and the 7th inner side oil duct respectively with first in
Side bearing 5-1-1, the second inboard bearing 5-2-1, the 3rd inboard bearing 5-3-1, the 4th inboard bearing 5-4-1, the 5th inner shafts
Hold 5-5-1, the 6th inboard bearing 5-6-1 and the 7th inboard bearing 5-7-1 connections；
Seven outside oil ducts 6 are respectively vertically vertically connected at the described first middle insertion oil duct, in described second
Between insertion oil duct, the 3rd middle insertion oil duct, the 4th middle insertion oil duct, the 5th middle insertion oil duct, institute
State the first outside oil duct of the 6th middle insertion oil duct and the 7th insertion oil duct, the second outside oil duct, the 3rd outside oil duct,
4th outside oil duct, the 5th outside oil duct, the 6th outside oil duct and the 7th outside oil duct, first outside oil duct, described
Two outside oil ducts, the 3rd outside oil duct, the 4th outside oil duct, the 5th outside oil duct, oil on the outside of the described 6th
Road and the 7th outside oil duct respectively with the first outboard bearing 5-1-2, the second outboard bearing 5-2-2, the 3rd outboard bearing 5-
3-2, the 4th outboard bearing 5-4-2, the 5th outboard bearing 5-5-2, the 6th outboard bearing 5-6-2 and the 7th outboard bearing 5-7-2
Connection.
During actually used, the output end of the cooler 20 is connected with main oil gallery 9 by the 6th oil hose, is made cold
But the lubricating oil of the cooling of device 20 is delivered to the bearing group lubrication channel by main oil gallery 9, to inboard bearing 7 and outboard bearing 6
It is lubricated and cools down, it is ensured that 6 normal work of inboard bearing 7 and outboard bearing, reduces inboard bearing 7 and outboard bearing 6 is contacted
The friction and wear on surface, reduces fault rate.
When the utility model is used, when the oil level in arm body oil pocket 2 is relatively low, the 2 low level inlet port of arm body oil pocket
Lubricating oil is filtered by the first filter 11, and the lubricating oil filtered through the first filter 11 is soft by first oil transportation
Pipe is delivered to the oil-in A1 on first gear pump 13, and first gear pump 13 is operated under the drive of the 3rd spur gear 18, will
Into the lubricating oil in first gear pump 13 by the oil-out D1 removal of lubricants on first gear pump 13, first gear pump 13
On the lubricating oil discharged of oil-out D1 enter the by second oil hose and the oil-in B2 on second gear pump 14
Two gear pumps 14, second gear pump 14 are operated under the drive of the 3rd spur gear 18, by into the profit in second gear pump 14
The lubrication that lubricating oil is discharged by the oil-out C2 removal of lubricants on second gear pump 14, the oil-out C2 on second gear pump 14
Oil is delivered to cooler 20；
When the oil level in arm body oil pocket 2 is higher, the lubricating oil of 2 high-order inlet port of arm body oil pocket passes through the second filter 12
Filtered, the lubricating oil filtered through the second filter 12 is delivered on second gear pump 14 by the 3rd oil hose
Oil-in A2, second gear pump 14 the 3rd spur gear 18 drive under be operated, by into the profit in second gear pump 14
The lubrication that lubricating oil is discharged by the oil-out D2 removal of lubricants on second gear pump 14, the oil-out D2 on second gear pump 14
Oil enters first gear pump 13, first gear pump 13 by the 4th oil hose and the oil-in B1 on first gear pump 13
It is operated in the case where the 3rd spur gear 18 drives, will passes through on first gear pump 13 into the lubricating oil in first gear pump 13
Oil-out C1 removal of lubricants, the lubricating oil that the oil-out C1 on first gear pump 13 is discharged are delivered to cooler 20, Jing Guoleng
Lubricating oil after cooling is delivered to main oil gallery 9, the profit in main oil gallery 9 by the 6th oil hose by the but cooling of device 20
Lubricating oil pass sequentially through vertical the first inner side oil duct perpendicular to main oil gallery 9, the second inner side oil duct, the 3rd inner side oil duct, in the 4th
Side oil duct, the 5th inner side oil duct, the 6th inner side oil duct and the 7th inner side oil duct be respectively the first inboard bearing 5-1-1, in second
Side bearing 5-2-1, the 3rd inboard bearing 5-3-1, the 4th inboard bearing 5-4-1, the 5th inboard bearing 5-5-1, the 6th inner shafts
Hold 5-6-1 and the 7th inboard bearing 5-7-1 is lubricated and cools down, lubricating oil is come back in arm body lubricating cavity 2, in order to follow
Ring is utilized；Meanwhile, the lubricating oil of main oil gallery 9 by horizontal vertical in the described in main oil gallery 9 first middle insertion oil duct, described second
Middle insertion oil duct, the 3rd middle insertion oil duct, the 4th middle insertion oil duct, the 5th middle insertion oil duct,
The 6th middle insertion oil duct and the 7th insertion oil duct are on the outside of the first outside oil duct, the second outside oil duct, the 3rd
Oil duct, the 4th outside oil duct, the 5th outside oil duct, the 6th outside oil duct and the 7th outside oil duct connection so that the profit of main oil gallery 9
Lubricating oil enters the first outboard bearing 5-1-2, the second outboard bearing 5-2-2, the 3rd outboard bearing 5-3-2, the 4th outboard bearing 5-
4-2, the 5th outboard bearing 5-5-2, the 6th outboard bearing 5-6-2 and the 7th outboard bearing 5-7-2, are the first outboard bearing 5-1-
2nd, the second outboard bearing 5-2-2, the 3rd outboard bearing 5-3-2, the 4th outboard bearing 5-4-2, the 5th outboard bearing 5-5-2,
Six outboard bearing 5-6-2 and the 7th outboard bearing 5-7-2 are lubricated and cool down, and lubricating oil is come back in arm body lubricating cavity 2,
Both it is easy to recycle, reduces lubricating oil, lubricating oil can be taken away most of frictional heat of Bearing inner again, meet the lubrication of bearing
Cooling, while good heat dissipation effect, improves bearing service life, reduces fault rate, reduces production cost and maintenance cost, practical
Property is strong.
The above, is only preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every
Any simple modification, change and equivalent structure change above example made according to the utility model technical spirit, still
Belong in the compensation range of technical solutions of the utility model.
Claims (10)
1. a kind of rocker arm of coal mining machine bearing group cooling and lubricating system, it is characterised in that：Including rocker arm of coal mining machine housing (1), arrange
Straight-tooth transmission mechanism (5) in the rocker arm of coal mining machine housing (1) and it is connected with straight-tooth transmission mechanism (5) and is driven for straight-tooth
Mechanism (5) middle (center) bearing group is lubricated the cooling and lubricating device of cooling, straight-tooth transmission mechanism (5) and rocker arm of coal mining machine housing
(1) arm body oil pocket (2) is formed between；
The cooling and lubricating device includes being arranged in rocker arm of coal mining machine housing (1) and entering the lubricating oil in arm body oil pocket (2)
Filter mechanism and the duplex gear pump and defeated to the duplex gear pump of filter mechanism output end connection that row is filtered
The cooling body cooled down by the lubricating oil for going out；The cooling body is by bearing group grease channel net (10) to straight-tooth driver
Structure (5) middle (center) bearing group is passed through lubricating oil, and straight-tooth transmission mechanism (5) are connected with the duplex gear pump and which is described
Duplex gear pump provides power；
Described bearing group grease channel net (10) are included being arranged on rocker arm of coal mining machine housing (1) and are connected with the cooling body
The main oil gallery (9) for connecing and the bearing group profit for connecting and conveying for straight-tooth transmission mechanism (5) middle (center) bearing group lubricating oil with main oil gallery (9)
Slide-through road.
2. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 1, it is characterised in that：The filtration
Device mechanism include the first filter (11) being connected with arm body oil pocket (2) low level inlet port and with arm body oil pocket (2) high position oil suction
Second filter (12) of mouth connection, the first filter (11) and the second filter (12) are connected with the duplex gear pump
Connect.
3. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 1 or 2, it is characterised in that：It is described
Straight-tooth transmission mechanism (5) includes power transmission shaft, the travelling gear being set on power transmission shaft and the axle being arranged on the travelling gear
Hold group, the bearing group includes being arranged on the travelling gear side and the inboard bearing (3) near coal arm side and is arranged on institute
State travelling gear opposite side and the outboard bearing (4) near old man side；
The travelling gear is connected by drive disk assembly (16) and the duplex gear pump.
4. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 2, it is characterised in that：The duplex
Gear pump includes first gear pump (13) and second gear pump (14), and the first gear pump (13) and second gear pump (14)
It is integrally formed；
The oil-in of first gear pump (13) is connected with the output end of the first filter (11), second gear pump (14)
Oil-in be connected with the output end of the second filter (12), first gear pump (13) and second gear pump (14) it is fuel-displaced
Mouth is connected with the cooling body.
5. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 4, it is characterised in that：The cooling
Mechanism is cooler (20), the input of cooler (20) oil-out and second gear pump with first gear pump (13)
(14) oil-out connection.
6. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 3, it is characterised in that：The bearing
Group lubrication channel includes connect with main oil gallery (9) and for the inner side oil duct (7) of inboard bearing (3) conveying lubricating oil, and main oil gallery
(9) middle insertion oil duct (8) that connect and connect with middle insertion oil duct (8) and the outer of lubricating oil is conveyed for outboard bearing (4)
Side oil duct (6), middle insertion oil duct (8) are laid in horizontal vertical with main oil gallery (9), inner side oil duct (7) and main oil
Road (9) is in vertical vertical runs, and outside oil duct (6) are in parallel laying with inner side oil duct (7), outside oil duct (6), interior
Side oil duct (7) and middle insertion oil duct (8) are in the same vertical plane of rocker arm of coal mining machine housing (1).
7. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 4, it is characterised in that：Described first
Two oil-ins and two oil-outs are provided with gear pump (13) and second gear pump (14)；
An oil-in on first gear pump (13) passes through the first oil hose and the first filter (11) output end connects
Connect, an oil-out on first gear pump (13) is entered with second gear pump (14) by the second oil hose
Hydraulic fluid port connects；
Another oil-in on second gear pump (14) passes through the 3rd oil hose and the second filter (12) output end
Connection, an oil-out on two gear pumps (14) pass through another on the 4th oil hose and first gear pump (13)
Oil-in connects；
Another oil-out on another oil-out and two gear pump (14) on first gear pump (13) leads to
The input that the 5th oil hose is crossed with cooler (20) is connected.
8. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 7, it is characterised in that：Described first
Another oil-out on another oil-out and the second gear pump (14) on gear pump (13) and cooler (20)
One-way control valve (19) is provided between input.
9. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 3, it is characterised in that：The duplex
Gear pump is fixedly connected with gland (15) by ring flange, and described gland (15) are arranged on rocker arm of coal mining machine housing (1)；
The one end of drive disk assembly (16) is connected by flat key (17) and the duplex gear pump, the drive disk assembly
(16) the other end is connected with the travelling gear gear.
10. according to a kind of rocker arm of coal mining machine bearing group cooling and lubricating system described in claim 6, it is characterised in that：It is described straight
Tooth transmission mechanism (5) is seven grades of straight-tooth transmission mechanisms, and the power transmission shaft, the travelling gear and the bearing group be seven,
The quantity of inner side oil duct (7) is identical with the quantity of inboard bearing (3) and is seven, middle insertion oil duct (8) and
The quantity in outside oil duct (6) is identical with the quantity of outboard bearing (4) and be seven, and main oil gallery (9) are through inner side oil
Road (7) is connected with inboard bearing (3), main oil gallery (9) sequentially pass through middle insertion oil duct (8) and outside oil duct (6) with it is outer
Side bearing (4) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620925730.7U CN206036199U (en) | 2016-08-23 | 2016-08-23 | Cooling and lubrication system of coal -winning machine rocking arm bearing group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620925730.7U CN206036199U (en) | 2016-08-23 | 2016-08-23 | Cooling and lubrication system of coal -winning machine rocking arm bearing group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036199U true CN206036199U (en) | 2017-03-22 |
Family
ID=58302881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620925730.7U Withdrawn - After Issue CN206036199U (en) | 2016-08-23 | 2016-08-23 | Cooling and lubrication system of coal -winning machine rocking arm bearing group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090195A (en) * | 2016-08-23 | 2016-11-09 | 西安煤矿机械有限公司 | A kind of rocker arm of coal mining machine bearing group cooling and lubricating system |
-
2016
- 2016-08-23 CN CN201620925730.7U patent/CN206036199U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090195A (en) * | 2016-08-23 | 2016-11-09 | 西安煤矿机械有限公司 | A kind of rocker arm of coal mining machine bearing group cooling and lubricating system |
| CN106090195B (en) * | 2016-08-23 | 2018-05-04 | 西安煤矿机械有限公司 | A kind of rocker arm of coal mining machine bearing group cooling and lubricating system |
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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: 20170322 Effective date of abandoning: 20180504 |
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| AV01 | Patent right actively abandoned |