CN102829314B - Lubricant circulating device based on sliding bearing and manufacturing process of lubricant circulating device - Google Patents

Lubricant circulating device based on sliding bearing and manufacturing process of lubricant circulating device Download PDF

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Publication number
CN102829314B
CN102829314B CN201210323892.XA CN201210323892A CN102829314B CN 102829314 B CN102829314 B CN 102829314B CN 201210323892 A CN201210323892 A CN 201210323892A CN 102829314 B CN102829314 B CN 102829314B
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oil
guide bracket
fuel tank
hole
cold oil
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CN102829314A (en
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刘小军
肖菊香
周少华
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Hunan Chongde Technology Co., Ltd
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Hunan Sund Industrial and Technological Co Ltd
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Abstract

The invention discloses a lubricant circulating device based on a sliding bearing, as well as a manufacturing process of the lubricant circulating device. The lubricant circulating device essentially consists of a bearing bracket, a guide base and an oil tank; an oil transportation duct which is connected to a port of a cold oil inputting pipe penetrates a duct mounting hole of the oil tank and is connected to a thread hole of the guide base, and is communicated with a cold oil storing cavity; a hot oil outputting pipe is connected to the oil tank and is communicated with an oil returning hole, thereby forming a system-cold oil-hot oil/cold oil-lubricant circulating-inputting/outputting loop; meanwhile, under the synchronous control of various corresponding equipment, the scheme of arranging the lubricant circulating inputting/outputting loop system is implemented. Through the lubricant circulating device, the sliding bearing which is matched with the motor, the water pump and other host equipment is not only compactly structured but is adaptive to the high-speed operation of the host equipment, and the sliding bearing cannot change the connecting and mounting size of the original machine and can ensure the circulation of the lubricant; the bearing bush can not generate heat; the equipment system is stable, reliable and safe in operation; the lubricant circulating device is suitable to be used as a supporting product of various power equipment, especially for as a supporting product of various heavy-load engineering machineries.

Description

Based on lubricate oil circulation device and the manufacture craft thereof of sliding bearing
Technical field
The present invention relates to the lubricate oil circulation device based on sliding bearing and manufacture craft thereof.
Background technology
At present, the main process equipment such as motor, water pump requires matching used sliding bearing, is first that sliding bearing structure need be compact, is secondly that sliding bearing function needs to possess the feature of running up, and uses stable, reliable, safe, effective, long service life.And the circulating oil lubrication sliding bearing of existing use cutting oil is directly sent into fuel tank, this certainly will cause cold oil and after the deep fat of bearing lubrication mixes, again enter bearing lubricate, make input oil temperature constantly raise, lubrication weak effect, the phenomenon of bearing bush temperature too high or tile kilning is even there is time serious, once tile kilning will cause main frame normally not run, cause the heavy losses of this device systems.
Summary of the invention
For above-mentioned situation; the object of the present invention is to provide a kind of lubricate oil circulation device based on sliding bearing, it not only have function increase, range of application expand, and input cold oil with lubrication after deep fat can not there is mixed flow; also can not reveal; more can not initial ring environment pollution, also structure is simple, compact, and bearing shell operating temperature is low; use safety, reliable; long service life, change, easy to maintenance, can realize large-scale industrial produce and be convenient to penetration and promotion.
Another object of the present invention is to provide a kind of manufacture craft of the lubricate oil circulation device based on sliding bearing, it has and does not change product external structure, do not need to drop into new equipment, and manufacture craft is simple, easy to manufacture, production cost is low, production efficiency is high, good product quality, and observable index is low, non-environmental-pollution, is easy to realize industrialization and penetration and promotion.
To achieve these goals, a kind of lubricate oil circulation device based on sliding bearing, it mainly comprises the guide bracket being fixed on the support of bearing, be connected to the fuel tank of guide bracket, guide bracket center is provided with vertical axis hole, axle sleeve and bearing shell is provided with in axis hole, several radial axle sleeve closure gasket groove is provided with in axle sleeve, large sealing clamp is provided with outside axle sleeve, little sealing clamp, fuel tank and guide bracket, the junction of guide bracket and the support of bearing is equipped with sealing ring, the one oil transportation conduit being connected to cold oil input pipe interface is from the screwed hole being connected to guide bracket after the conduit installing hole of fuel tank passes, and with by pressing plate, axle sleeve, bearing shell, the cold oil savings chamber that guide bracket forms is communicated with, one deep fat efferent duct is connected to fuel tank and is communicated with the spill port of guide bracket, thus composition system-cold oil-deep fat-cold oil-lubrication oil circulation-input and output loop.
In order to improve combination property and the quality of the lubricate oil circulation device that the present invention is based on sliding bearing, its further step is:
Oil transportation conduit, deep fat efferent duct and fuel tank junction are equipped with sealing ring.
Sealing ring is O RunddichtringO.
Sleeve sealing annular groove is at least 6 roads is labyrinth type.
The bottom of fuel tank is provided with outage and oil extraction bolt.
Cold oil savings chamber is mainly arranged between guide bracket and pressing plate, is large cavity volume cold oil reservoir chamber.
Make the technique of above-mentioned a kind of lubricate oil circulation device based on sliding bearing, it mainly comprises the guide bracket being fixed on the support of bearing, be connected to the fuel tank of guide bracket, guide bracket center is provided with vertical axis hole, axle sleeve and bearing shell is provided with in axis hole, the one oil transportation conduit being connected to cold oil input pipe interface is from the screwed hole being connected to guide bracket after the conduit installing hole of fuel tank passes, and with by pressing plate, axle sleeve, bearing shell, the cold oil savings chamber that guide bracket forms is communicated with, one deep fat efferent duct is connected to fuel tank and is communicated with the spill port of guide bracket, thus composition system-cold oil-deep fat-cold oil-lubrication oil circulation-input and output loop, under the Synchronization Control of drawing, measurement, line, turning, drilling, tapping, test, fixture, accessory equipment, carry out lubrication oil circulation input and output circuit system lay, its technological process is as follows simultaneously:
One, the laying of oil transportation conduit and cold oil input pipe, installation
I, the installation technics scheme of oil transportation conduit and cold oil input pipe: the present invention adopts and establishes threaded oil transportation conduit to replace the forward interface portion of cold oil input pipe a front end, it is made to pass from the conduit installing hole of fuel tank, the technological design scheme-drawing be directly connected with the screwed hole of guide bracket, measurement, line, fixture, accessory equipment;
II, determine oil transportation conduit installation site and carry out pre-determined bit conceptual design: between fuel tank and guide bracket two part, adopting 8 × 35mm alignment pin, then coordinating dowel hole to carry out the processing-drawing of two installing holes, measurement, line, fixture, accessory equipment;
III, conduit installing hole, the processing of screwed hole: first, the cylinder pin hole having coordinated drilling one Φ 8mm man-hour with guide bracket is added at fuel tank, and the alignment pin of 8 × 35mm is loaded in cylinder pin hole, first on fuel tank and guide bracket, process the hole of a diameter D1 according to the position of pre-determined bit simultaneously, then diameter D2 hole is expanded as in the D1 hole of guide bracket, process the screwed hole of D2 hole place M on guide bracket simultaneously, in process, clamped one time is located, only need change the cutter of processing, ensure that the axiality of holes is within the margin of tolerance of diameter of phi 0.1mm, the mounting design that this processing technology meets oil transportation conduit completely requires-draws, line, drilling, tapping, fixture, accessory equipment,
IV, the connection of oil transportation conduit and cold oil input pipe, installation: the anterior external diameter of oil transportation conduit press the fine thread hole adaptation cutted thread of the M48 × 2mm on M48 × 2mm fine thread size and guide bracket or direct tapping thread, then the oil transportation conduit after processing is held, and the conduit installing hole of the front threads end of oil transportation conduit from fuel tank is passed, be directly screwed into the fine thread hole-turning of the M48 × 2mm on guide bracket, tapping, fixture, accessory equipment;
V, cold oil input pipe, oil transportation conduit, fuel tank are interconnected: cold oil input pipe interface and oil transportation tube at one end portion through being fixedly welded on one, and make the tube wall external diameter of oil transportation conduit the other end be nested in fuel tank interface-fixture, accessory equipment;
Two, return port is laid
I, the inner headed face laying lubricating oil return hole at guide bracket axis hole bearing shell high level is adopted, this return port is communicated with the deep fat efferent duct being connected to fuel tank, thus forms the lubrication oil circulation input and output loop-drilling of overall cold oil-deep fat-cold oil, fixture, accessory equipment;
Three, seal groove is laid
I, the floating seal ring Sealing Technology changed in traditional scheme is the technical scheme of labyrinth type sleeve sealing annular groove, axle sleeve inner circle is provided with the labyrinth type sleeve sealing annular groove-turning of at least 6 roads and fuel tank adaptation, fixture, accessory equipment;
Four, outage processing
I, the hole of a perpendicular type Φ 10 is bored in the bottom of fuel tank, then at horizontal level machining internal thread, and adaptation goes up oil extraction bolt-drilling, fixture, accessory equipment;
Five, overall package, test-run a machine
I, respectively cold oil input pipe, deep fat efferent duct are connected with fuel tank, guide bracket, install, adjust pressing plate, large sealing clamp, little sealing clamp, in outage, tighten oil extraction bolt, check also test-run a machine running-test, fixture, accessory equipment.
The present invention adopts the guide bracket mainly comprising and be fixed on the support of bearing, be connected to the fuel tank of guide bracket, guide bracket center is provided with vertical axis hole, axle sleeve and bearing shell is provided with in axis hole, the one oil transportation conduit being connected to cold oil input pipe interface is from the screwed hole being connected to guide bracket after the conduit installing hole of fuel tank passes, and be communicated with the cold oil savings chamber be made up of pressing plate, axle sleeve, bearing shell, guide bracket, one deep fat efferent duct is connected to fuel tank and is communicated with the spill port of guide bracket, thus composition system-cold oil-deep fat-cold oil-lubrication oil circulation-input and output loop; Under the Synchronization Control of drawing, measurement, line, turning, drilling, tapping, test, fixture, accessory equipment, carry out the scheme that lubrication oil circulation input and output circuit system is laid simultaneously; Which overcome sliding bearing that existing high speed running apparatus is joined, the cold oil that there is input with after the deep fat mixed flow of bearing lubrication closed, again enter bearing lubricate, make input oil temperature constantly raise, lubrication weak effect, the phenomenon of bearing bush temperature too high or tile kilning is even there is time serious, thus cause main frame normally not run, cause the defect of the heavy losses of device systems, but also solve that such sliding bearing is connected with main process equipment, installing space is not enough and a difficult problem for long-standing lubricating oil cooling effect difference.
The beneficial effect that the present invention is produced compared to existing technology:
(I) the present invention adopts an oil transportation conduit front end being provided with connecting thread to replace the forward interface portion of cold oil input pipe, it is made to pass from the conduit installing hole of fuel tank, the technological design scheme be directly connected with the screwed hole of guide bracket, both solve a difficult problem for main process equipment connection, installing space deficiency, expand again the range of application of product;
(II) the present invention adopts oil transportation conduit to replace the forward interface portion of cold oil input pipe, and the structure be directly connected with the screwed hole of guide bracket solves the cold oil of conventional lubrication cunning dynamic bearing input and cause the problem that bearing shell temperature is high after the deep fat mixed flow of bearing lubrication;
(III) the present invention adopts oil transportation conduit to replace the forward interface portion of cold oil input pipe, directly be connected with the screwed hole of guide bracket and be communicated with the cold oil savings chamber be made up of pressing plate, guide bracket, one deep fat efferent duct is connected to fuel tank and the structure be communicated with the spill port of guide bracket, achieve " cold oil-deep fat-cold oil " lubrication oil circulation input and output loop of system, improve bearing lubrication cooling effect;
(IV) the present invention adopts between guide bracket and pressing plate, arranges large cavity volume cold oil savings chamber cell structure, " cold oil-deep fat-cold oil " lubrication oil circulation input and output loop of coupling system, open up the syndeton relation that need not change existing high speed host computer host coordinative composition of equipments sliding bearing, just can realize the lubrication oil circulation loop of sliding bearing inside.
(V) the present invention adopts between guide bracket and pressing plate, arranges large cavity volume cold oil savings chamber cell structure, " cold oil-deep fat-cold oil " lubrication oil circulation input and output loop of coupling system, greatly changes such sliding bearing long-term existence lubricating oil cooling effect difference situation;
(VI) the present invention adopts labyrinth type sleeve sealing annular groove with large and small sealing clamp structure and is combined total scheme for sealing of O RunddichtringO, add the sealing function of bearing, improve bearing seal effect, the course of work is without leakage, non-environmental-pollution, produces a desired effect;
(VII) the present invention adopts " cold oil-deep fat-cold oil " principle work, and lubrication oil circulation is used, and bearing shell not heat-dissipating, device systems is stable, reliable, safety, and this is for solving the long-standing great tradition difficult problem of this technical field;
(VIII) the present invention adopts the scheme of directly processing closure gasket groove in axle sleeve inner circle, reduces the radial dimension of bearing, saves raw material, reduce bearing cost;
(Ⅸ) the present invention adopts and establishes outage and oil extraction bolt at tank bottoms, conveniently can realize the timely maintenance in lubrication oil circulation loop, maintenance, guarantee the security of operation of system;
(X) structure of the present invention is simple, compact, science, rationally, manufacturing process is simple and easy, and add product function, improve product quality, crude oil recycles, raw material are saved, reduce production cost, long-play and bearing shell operating temperature can not raise, long service life, host computer system is stable, safe, reliable, observable index is low, non-environmental-pollution, is easy to realize industrialization and penetration and promotion.
The present invention is applicable to the auxiliary products making each power-equipment, is particularly suitable for the auxiliary products doing various heavily loaded engineering machinery operation.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 is the lubricate oil circulation device that the present invention is based on sliding bearing front view along cold oil input pipe-deep fat efferent duct cutting.
Fig. 2 is the partial enlarged view of the labyrinth type sleeve sealing annular groove at I place in Fig. 1 of the present invention.
Fig. 3 is the partial enlarged view that oil transportation conduit in Fig. 1 of the present invention and cold oil input pipe are communicated with fuel tank, guide bracket.
In figure: 1, the support of bearing, 2, guide bracket, 3, fuel tank, 4, axis hole, 5, axle sleeve, 6, bearing shell, 7, sleeve sealing annular groove, 8, large sealing clamp, 9, little sealing clamp, 10, sealing ring, 11, cold oil input pipe, 12, oil transportation conduit, 13, conduit installing hole, 14, screwed hole, 15, pressing plate, 16, cold oil savings chamber, 17, deep fat efferent duct, 18, spill port, 19, outage, 20, oil extraction bolt, 21, dowel hole, 22, alignment pin.
Detailed description of the invention
Shown in accompanying drawing, a kind of lubricate oil circulation device based on sliding bearing, it mainly comprises the guide bracket 2 being fixed on the support of bearing 1, be connected to the fuel tank 3 of guide bracket 2, guide bracket 2 center is provided with vertical axis hole 4, axle sleeve 5 and bearing shell 6 is provided with in axis hole 4, in order to strengthen sealing effectiveness, at least 6 road radial directions are provided with in labyrinth type sleeve sealing annular groove 7 in axle sleeve 5, large sealing clamp 8 is provided with outside axle sleeve 5, little sealing clamp 9, greatly, little sealing clamp is referred to as pressing plate, fuel tank 3 and guide bracket 2, guide bracket 2 and the support of bearing 1 and oil transportation conduit 12, deep fat efferent duct 17 is equipped with O RunddichtringO 10 with the junction of fuel tank 3, the one oil transportation conduit 12 being connected to cold oil input pipe 11 interface is from the screwed hole 14 being connected to guide bracket 2 after the conduit installing hole 13 of fuel tank 3 passes, and with by pressing plate 15, axle sleeve 5, bearing shell 6, the cold oil savings chamber 16 that guide bracket 2 forms is communicated with, one deep fat efferent duct 17 is connected to fuel tank 3 and is communicated with the spill port 18 of guide bracket 2, thus composition system-cold oil-deep fat-cold oil-lubrication oil circulation-input and output loop, in order to obtain large cavity volume cold oil reservoir chamber, cold oil savings chamber 16 is arranged between guide bracket 2 and pressing plate 15, in order to improve the operational efficiency in lubrication oil circulation-input and output loop, facilitate the timely replacing of lubricating oil, the bottom of fuel tank 3 is provided with outage 19 and oil extraction bolt 20.
By reference to the accompanying drawings, make the technique of above-mentioned a kind of lubricate oil circulation device based on sliding bearing, it mainly comprises the guide bracket 2 being fixed on the support of bearing 1, be connected to the fuel tank 3 of guide bracket 2, guide bracket 3 center is provided with vertical axis hole 4, axle sleeve 5 and bearing shell 6 is provided with in axis hole 4, the one oil transportation conduit 12 being connected to cold oil input pipe 11 interface is from the screwed hole 14 being connected to guide bracket 2 after the conduit installing hole 13 of fuel tank 3 passes, and with by pressing plate 15, axle sleeve 5, bearing shell 6, the cold oil savings chamber 16 that guide bracket 2 forms is communicated with, one deep fat efferent duct 17 is connected to fuel tank 3 and is communicated with the spill port 18 of guide bracket 2, thus composition system cold oil-deep fat-cold oil-lubrication oil circulation-input and output loop, under the Synchronization Control of drawing, measurement, line, turning, drilling, tapping, test, fixture, accessory equipment, carry out lubrication oil circulation input and output circuit system lay, its technological process is as follows simultaneously:
One, the laying of oil transportation conduit and cold oil input pipe, installation
I, the installation technics scheme of oil transportation conduit 12 and cold oil input pipe 11: because in the cylindrical of guide bracket 2 and fuel tank 3, distance of round H only has 45mm, and the latus rectum of oil inlet pipe is 40mm, the mounting interface size of such oil inlet pipe must be greater than 40mm, oil hose cannot be laid between fuel tank and guide bracket, in order to solve between fuel tank 3 and guide bracket 2 because lacking the difficult problem laying cold oil input pipe 11 locus, the present invention adopts the oil transportation conduit 12 front end being provided with fine thread M48X2mm to replace the forward interface portion of cold oil input pipe 11, it is made to pass from the conduit installing hole 13 of fuel tank 3, technological design scheme-the drawing be directly connected with the fine thread hole 14 of guide bracket 2, measure, line, fixture, accessory equipment,
II, determine oil transportation conduit 12 installation site and carry out pre-determined bit conceptual design: because oil transportation conduit 12 will be installed between fuel tank 3 and guide bracket 2, to two installing holes installed for oil transportation conduit 12, namely the axiality of conduit installing hole 13 and screwed hole 14 requires very high, difficulty is added to processing technology, the technique solved is: between fuel tank 3 and guide bracket 2 liang of parts, adopt 8 × 35mm alignment pin 22 of a GB/T119.1, then coordinates dowel hole 21 to carry out the processing-drawing of two installing holes, measurement, line, fixture, accessory equipment;
III, conduit installing hole 13, the processing of screwed hole 14: first, the cylinder pin hole 21 having coordinated drilling one Φ 8mm man-hour with guide bracket 2 is added at fuel tank 3, and the alignment pin 22 of 8 × 35mm is loaded in cylinder pin hole 21, first on fuel tank 3 and guide bracket 2, process a diameter D1 according to the position of pre-determined bit is the hole of 48mm simultaneously, then the D1 hole of guide bracket 2 is expanded as the D2 hole of diameter 50mm, process the M fine thread hole 14 of D2 hole place 48 × 2mm on guide bracket 2 simultaneously, in process, clamped one time is located, only need change the cutter of processing, can ensure that the axiality of holes is within the margin of tolerance of diameter of phi 0.1mm, consider the bilateral gap having 2mm between oil transportation conduit 12 and fuel tank 3, the mounting design that this processing technology meets oil transportation conduit 12 completely requires-draws, line, drilling, tapping, fixture, accessory equipment,
IV, the connection of oil transportation conduit 12 and cold oil input pipe 11, installation: the anterior external diameter of oil transportation conduit 12 presses the adaptive cutted thread in fine thread hole 14 or the direct tapping thread of the M48 × 2mm on M48 × 2mm fine thread size and guide bracket 2, then the oil transportation conduit 12 after processing is held, and the conduit installing hole 13 of the front threads end of oil transportation conduit 12 from fuel tank 3 is passed, be directly screwed into the fine thread hole 14-turning of the M48 × 2mm on guide bracket 2, tapping, fixture, accessory equipment;
V, cold oil input pipe 11, oil transportation conduit 12, fuel tank 3 are interconnected: cold oil input pipe 11 interface and oil transportation conduit 12 1 end through being fixedly welded on one, and make the tube wall external diameter of oil transportation conduit 12 the other end be nested in fuel tank 3 interfaces-fixture, accessory equipment;
Two, return port is laid
I, in order to prevent lubricating oil from flowing out to axis hole 4 bearing shell 6 high position in interior pressure, therefore adopt the inner headed face laying lubricating oil return hole 18 at guide bracket 2 axis hole 4 bearing shell 6 high level, this return port 18 is communicated with the deep fat efferent duct 17 being connected to fuel tank 3, thus composition system-cold oil-deep fat-cold oil-lubrication oil circulation-input and output loop, i.e. cold oil input pipe 11-oil transportation conduit 12-guide bracket 2-bearing shell 6-axle sleeve 5-spill port 18-deep fat efferent duct 17-external fuel tank 3-drilling, fixture, accessory equipment;
Three, seal groove is laid
I, in order to not increase the radial dimension of bearing, make Total Product structure simpler, compact, save and install, connection space, in traditional structure, sealing is herein general adopts the seal ring structure that floats, and the radial dimension of seal ring of floating at least will to increase 40mm bilateral, the present invention's floating seal ring Sealing Technology changed in traditional scheme is the technical scheme of labyrinth type sleeve sealing annular groove 7, detailed description of the invention: axle sleeve 5 inner circle is provided with the sleeve sealing annular groove 7 with fuel tank 3 adaptation, in order to enhanced leaktightness effect, have employed at least 6 road labyrinth type sleeve sealing annular groove 7-turning, fixture, accessory equipment,
Four, outage processing
I, in order to make lubrication oil circulation loop more unobstructed, outage 19 and oil extraction bolt 20 is provided with in the bottom of fuel tank 3, the hole of a perpendicular type Φ 10mm is bored in the bottom of fuel tank 3, then at horizontal level machining internal thread, and adaptation goes up oil extraction bolt 20-drilling, fixture, accessory equipment;
Five, overall package, test-run a machine
I, respectively cold oil input pipe 11, deep fat efferent duct 17 are connected with fuel tank 3, guide bracket 2, install, adjust pressing plate 15, large sealing clamp 8, little sealing clamp 9, in outage 19, tighten oil extraction bolt 20, check also test-run a machine running-test, fixture, accessory equipment.
It is worthy of note: operation principle of the present invention is to solve the matching used sliding bearing of the main process equipment such as motor, water pump requirement, should compact conformation, main process equipment can be adapted to again run up, also however change original-assemblied machine be connected and installed size and lubrication oil circulation use, bearing shell is heat-dissipating not, the conventional difficulties that device systems is stable, reliable, safe.And for its actual need of work, on the sliding bearing not changing existing supporting application, carry out the structural improvement of lubrication oil circulation use, achieve successful technological transformation effect and direct economic benefit, be applicable to large-scale penetration and promotion.

Claims (2)

1. the lubricate oil circulation device based on sliding bearing, it is characterized in that it mainly comprises the guide bracket (2) being fixed on the support of bearing (1), be connected to the fuel tank (3) of guide bracket (2), guide bracket (2) center is provided with vertical axis hole (4), axle sleeve (5) and bearing shell (6) is provided with in axis hole (4), at least 6 road radial directions are provided with in labyrinth type sleeve sealing annular groove (7) in axle sleeve (5), large sealing clamp (8) is provided with outside axle sleeve (5), little sealing clamp (9), fuel tank (3) and guide bracket (2), guide bracket (2) and the support of bearing (1) and oil transportation conduit (12), deep fat efferent duct (17) is equipped with O RunddichtringO (10) with the junction of fuel tank (3), the one oil transportation conduit (12) being connected to cold oil input pipe (11) interface is from the screwed hole (14) being connected to guide bracket (2) after the conduit installing hole (13) of fuel tank (3) passes, and with by pressing plate (15), axle sleeve (5), bearing shell (6), the cold oil savings chamber (16) that guide bracket (2) forms is communicated with, one deep fat efferent duct (17) is connected to fuel tank (3) and is communicated with the spill port (18) of guide bracket (2), thus composition system-cold oil-deep fat-cold oil-lubrication oil circulation-input and output loop, the bottom of fuel tank (3) is provided with outage (19) and oil extraction bolt (20), cold oil savings chamber (16) is mainly arranged between guide bracket (2) and pressing plate (15), is large cavity volume cold oil reservoir chamber.
2. make the technique of a kind of lubricate oil circulation device based on sliding bearing according to claim 1, it is characterized in that it mainly comprises the guide bracket (2) being fixed on the support of bearing (1), be connected to the fuel tank (3) of guide bracket (2), guide bracket (2) center is provided with vertical axis hole (4), axle sleeve (5) and bearing shell (6) is provided with in axis hole (4), the one oil transportation conduit (12) being connected to cold oil input pipe (11) interface is from the screwed hole (14) being connected to guide bracket (2) after the conduit installing hole (13) of fuel tank (3) passes, and with by pressing plate (15), axle sleeve (5), bearing shell (6), the cold oil savings chamber (16) that guide bracket (2) forms is communicated with, one deep fat efferent duct (17) is connected to fuel tank (3) and is communicated with the spill port (18) of guide bracket (2), thus composition system-cold oil-deep fat-cold oil-lubrication oil circulation-input and output loop, under the Synchronization Control of drawing, measurement, line, turning, drilling, tapping, test, fixture, accessory equipment, carry out lubrication oil circulation input and output circuit system lay, its technological process is as follows simultaneously:
One, the laying of oil transportation conduit and cold oil input pipe, installation
I, the installation technics scheme of oil transportation conduit (12) and cold oil input pipe (11): adopt and establish threaded oil transportation conduit (12) to replace the forward interface portion of cold oil input pipe (11) front end, it is made to pass from the conduit installing hole (13) of fuel tank (3), the technological design scheme-drawing be directly connected with the screwed hole (14) of guide bracket (2), measurement, line, fixture, accessory equipment;
II, determine oil transportation conduit (12) installation site and carry out pre-determined bit conceptual design: between fuel tank (3) and guide bracket (2) two part, adopting 8 × 35mm alignment pin (22), then coordinating dowel hole (21) to carry out the processing-drawing of two installing holes, measurement, line, fixture, accessory equipment;
III, conduit installing hole (13), the processing of screwed hole (14): first, the cylinder pin hole (21) having coordinated drilling one Φ 8mm man-hour with guide bracket (2) is added at fuel tank (3), and the alignment pin (22) of 8 × 35mm is loaded in cylinder pin hole (21), first go up the hole of processing one diameter D1 at fuel tank (3) and guide bracket (2) according to the position of pre-determined bit simultaneously, then diameter D2 hole is expanded as in the D1 hole of guide bracket (2), process the screwed hole (14) of the upper D2 hole place M of guide bracket (2) simultaneously, in process, clamped one time is located, only need change the cutter of processing, ensure that the axiality of holes is within the margin of tolerance of diameter of phi 0.1mm, the mounting design that this processing technology meets oil transportation conduit (12) completely requires-draws, line, drilling, tapping, fixture, accessory equipment,
IV, the connection of oil transportation conduit (12) and cold oil input pipe (11), installation: oil transportation conduit (12) anterior external diameter presses fine thread hole (14) adaptive cutted thread or the direct tapping thread of the M48 × 2mm on M48 × 2mm fine thread size and guide bracket (2), then the oil transportation conduit (12) after processing is held, and the conduit installing hole (13) of the front threads end of oil transportation conduit (12) from fuel tank (3) is passed, be directly screwed into fine thread hole (the 14)-turning of the M48 × 2mm on guide bracket (2), tapping, fixture, accessory equipment;
V, cold oil input pipe (11), oil transportation conduit (12), fuel tank (3) are interconnected: cold oil input pipe (11) interface and oil transportation conduit (12) end through being fixedly welded on one, and make the tube wall external diameter of oil transportation conduit (12) the other end be nested in fuel tank (3) interface-fixture, accessory equipment;
Two, spill port is laid
I, inner headed face laying lubricating oil return hole (18) at guide bracket (2) axis hole (4) bearing shell (6) high level is adopted, this spill port (18) is communicated with the deep fat efferent duct (17) being connected to fuel tank (3), thus forms the lubrication oil circulation input and output loop-drilling of overall cold oil-deep fat-cold oil, fixture, accessory equipment;
Three, seal groove is laid
I, the floating seal ring Sealing Technology changed in traditional scheme is the technical scheme of labyrinth type sleeve sealing annular groove (7), axle sleeve (5) inner circle is provided with labyrinth type sleeve sealing annular groove (the 7)-turning of at least 6 roads and fuel tank (3) adaptation, fixture, accessory equipment;
Four, outage processing
I, the hole of a perpendicular type Φ 10 is bored in the bottom of fuel tank (3), then at horizontal level machining internal thread, and adaptation goes up oil extraction bolt (20)-drilling, fixture, accessory equipment;
Five, overall package, test-run a machine
I, respectively cold oil input pipe (11), deep fat efferent duct (17) are connected with fuel tank (3), guide bracket (2), install, adjust pressing plate (15), large sealing clamp (8), little sealing clamp (9), in outage (19), tighten oil extraction bolt (20), check also test-run a machine running-test, fixture, accessory equipment.
CN201210323892.XA 2012-09-04 2012-09-04 Lubricant circulating device based on sliding bearing and manufacturing process of lubricant circulating device Active CN102829314B (en)

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