CN107165819A - The cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming - Google Patents
The cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming Download PDFInfo
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- CN107165819A CN107165819A CN201710564812.2A CN201710564812A CN107165819A CN 107165819 A CN107165819 A CN 107165819A CN 201710564812 A CN201710564812 A CN 201710564812A CN 107165819 A CN107165819 A CN 107165819A
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- micro forming
- cylinder sleeve
- friction pair
- micro
- hydraulic pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
- F04B53/166—Cylinder liners
Abstract
The cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming, it is related to colliery water hydrostatic transmission field, including fixture, wear ring and the friction member matched with it, wear ring is arranged on fixture and coaxially arranged with friction member, friction member surface is provided with circumferentially distributed micro forming array, the micro forming depth dimensions of the array, at least one size is changed along wear ring axis direction rule in micro forming spacing dimension and micro forming area size, its changing rule is generally gradually increased by one end of friction member to the other end, or be gradually reduced, or first increase and reduce afterwards, or first reduce and increase afterwards.Described friction member can be cylinder sleeve, and now plunger is fixture；Friction member can also be plunger, and now cylinder sleeve is fixture.The present invention can not only be effectively improved the lubrication and wear problem of the cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump, moreover it is possible to improve its lubrication and the stability of carrying, improve the eccentric wear problem of cylinder sleeve friction pair.
Description
Technical field
The invention belongs to colliery water hydrostatic transmission field, specifically a kind of horizontal colliery high pressure based on micro forming is big
The cylinder sleeve friction pair of flow Water Hydraulic Pump.
Background technology
Emulsion pump, as the indispensable corollary equipment of coal mine downhole safety high-efficiency mining, is the most important core of underground coal mine
One of power set, it typically uses horizontal piston structure.The supportings such as hydraulic support, the hydraulic prop of underground coal mine are filled
It is standby, part electrical haulage shearer hydraulic height adjustment system, part scrapper conveyor, the gear-box and fluid coupling of belt feeder, and breast
Change the tool equipment such as liquid rig and emulsion saw, become rail and hang, fork truck, mounting transport vehicle, assembling frame, frame mobile device etc. are installed
Fully-mechanized mining working Fast Installation, transport, withdraw equipment, relying on emulsion pump and power is provided.It can be seen that, the performance of emulsion pump is
Ensure the key of safety of coal mines high-efficiency mining.
Emulsion pump contains substantial amounts of base oil, emulsifying agent and stabilizer etc. using emulsion as working media in emulsion
Chemical substance, severe contamination groundwater in mining area resource, the also easy decomposed metamorphic of emulsion has a strong impact on the working environment of coal miner
With it is healthy, and the equipment of configuration emulsion also needs periodic cleaning inspection, and expends a large amount of chemical synthesis agent, use cost
Height, labor strength is big.
Compared with emulsifiable solution medium, aqueous medium have environment-friendly, clean and safe, it is cheap, take it is convenient etc. many
Advantage, is the perfect medium for substituting emulsion, and underground coal mine water aboundresources, and the low-lying place's ponding in part is also needed at special pump drainage
Reason, emulsion is substituted as working media using the underground waste water through processing, to mining area waste water reuse, reduction coal mine support into
This, protects environment of mining area, promotes mine energy conservation emission reduction, and it is significant to improve the working environment of workers etc., meets national energy-saving
The Strategic Demand of emission reduction sustainable development.But the low greasy property of aqueous medium viscosity is poor, coal-mining emulsifying liquid pump cylinder sleeve friction secondary motion
Speed height (general speed of crankshaft is in more than 400r/min), fluid power end pressure is high (generally 31.5MPa-50MPa), and flow is big
(typically in more than 400L/min), medium pollution is serious (mainly including micro- abrasive particle pollution such as abrasive dust and sandstone), is using water
Working media will aggravate the fretting wear of cylinder sleeve friction pair, shorten the service life of cylinder sleeve friction pair, and subsurface environment is severe,
Maintenance of equipment cost is high, difficulty is big, has a strong impact on the safety of underground and efficiently production.For these reasons, it is green, safe, honest and clean
The aqueous medium of valency, fails to obtain fine promotion and application in underground coal mine always.
With pay attention to day by day of the people to safety in production, environmental protection and energy-saving and emission-reduction, each state has all formulated accordingly
Laws and rules, to realize the sustainable development of economy and environment, this also requires that emulsion technology should be to safe and environment-friendly and energy-conservation
Direction develop.Therefore, it is necessary to for the special operation condition in colliery, solve restriction underground coal mine horizontal high-pressure large-flow plunger pump water
The friction and wear problem of the cylinder sleeve friction pair of hydrofication, so as to be laid the foundation for the hydraulic pressure that coal-mining emulsifying liquid is equipped.
Above-mentioned phenomenon is reduced or eliminated, except being carried out from the handling process of the selection of cylinder sleeve friction pair material and material
Outside consideration, also answer emphasis to set about from its structure design, propose suitable for the new of horizontal colliery high-pressure high-flow Water Hydraulic Pump
Cylinder sleeve friction pair new construction.
Micro forming technology is the microscopic appearance that rule distribution is processed in surface of friction pair, to produce hydrodynamic lubrication effect,
With hydrldynamic pressure lubrication, secondary feed flow lubrication and the action effect for accommodating micro- abrasive particle.Current micro forming technology mechanical seal,
Port Plate Pair, thrust bearing, cutter be wear-resistant etc., and field has been applied successfully.In addition, the China that the first inventor of the present invention proposes
The patent of number of patent application 201611094299.7 discloses a kind of colliery hydraulic pressure three based on micro forming valve element and special-shaped valve pocket
With valve, micro forming technology is applied to lubrication and the anti-attrition field of valve element.
The cylinder sleeve friction pair of horizontal high-pressure high-flow Water Hydraulic Pump in colliery of the present invention based on micro forming, its is micro- to make
Type array, using size design is become, is no longer simply to be uniformly distributed, depth dimensions, diameter dimension and the area of micro forming array
Size is rule change, and the change of this rule is adapted with the working conditions change of the cylinder sleeve friction pair of Water Hydraulic Pump, no
But effectively improve friction and wear of the cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump under aqueous medium environment
Problem, and stable lubrication and constant carrying of the cylinder sleeve friction pair during periodic motion can be ensured compared with limits.In addition,
By the reciprocating motion of cylinder sleeve friction pair, friction pair micro forming wall and micro- abrasive particle, the fluid structure interaction of aqueous medium, Yi Jiji
The pressure oscillation of aqueous medium can realize the self-cleaning to micro- abrasive particle, further improve horizontal colliery high-pressure high-flow Water Hydraulic Pump
The abrasive wear problem of cylinder sleeve friction pair, is finally improved the abrasion resistance of cylinder sleeve friction pair.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of horizontal colliery high-pressure high-flow water based on micro forming
The cylinder sleeve friction pair of hydraulic pump, to improve stable lubrication and abrasion resistance of the micro forming cylinder sleeve friction pair under aqueous medium environment.
The technical problems to be solved by the invention are realized using following technical scheme.
The cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming, including fixture, wear ring
And the friction member matched with it, wear ring is arranged on fixture and coaxially arranged with friction member, and friction member surface is provided with circumferential
The micro forming array of distribution, micro forming depth dimensions, micro forming spacing dimension and the micro forming area size of the micro forming array
In at least one size be along wear ring axis direction rule change.
The micro forming structure of described micro forming array can for cylindrical, spherical, square, cuboid, concave table,
One or more in taper type, cone, goalpost shape or semielliptical shape.
Described micro forming depth dimensions is gradually increased by one end of friction member to the other end, or is gradually reduced, or is first increased
Plus after reduce, or first reduce and increase afterwards.Described micro forming spacing dimension is gradually increased by one end of friction member to the other end, or
It is gradually reduced, or first increases and reduce afterwards, or first reduces and increase afterwards.Described micro forming area size is by one end of friction member to another
One end gradually increases, or is gradually reduced, or first increases and reduce afterwards, or first reduces and increase afterwards.It is described micro forming depth dimensions, micro-
Moulding spacing dimension and micro forming area size can also combine change.
When described friction member is cylinder sleeve, plunger is fixture, and wear ring is arranged in the groove of outer plunger surface, wear-resisting
Ring constitutes friction pair with cylinder sleeve；Described friction member can also be plunger, and now cylinder sleeve is fixture, and wear ring is arranged on cylinder sleeve
In the groove of inner surface, wear ring constitutes friction pair with plunger.
Due to micro forming depth dimensions, micro forming spacing dimension, micro forming area size, friction pair speed of related movement and
Dynamic pressure of the pressure differential at friction pair two ends to the cylinder sleeve friction pair of the horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming
Lubrication Properties are larger.The cylinder sleeve friction pair is in high speed and high pressure operating mode, and speed of related movement is high between plunger and cylinder sleeve, and
The form of relative motion is to be moved according to the oscillation cycle of sine and cosine curvilinear motion；In addition, with the reciprocating motion of plunger, plunger
Complete to inhale, discharge opeing process, inhale, pressure from large to small, then changes from small to big in discharge opeing process.Therefore, for compensation campaign speed and
The change of hydrodynamic lubrication performance caused by the difference change of wear ring pressure at two ends, by micro forming depth dimensions, micro forming spacing dimension
It is micro- with the effective contact area of wear ring on friction member by regularly changing and micro forming area size is designed to changeable-shaped
The above three size of moulding array, to match the speed and pressure change in plunger motion process, by micro forming depth gauge rule
Synergy between very little, micro forming spacing dimension and micro forming area size, lubrication that compensation speed and pressure change are caused and
Fluctuation is carried, and then realizes the stable lubrication of cylinder sleeve friction pair and carries.By rationally setting micro forming depth dimensions, micro- making
Type spacing dimension and micro forming area size, not only improve the greasy property of cylinder sleeve friction pair, and can also prevent cylinder sleeve from rubbing
By-product life eccentric wear phenomenon is wiped, so that reliability of the horizontal colliery high-pressure high-flow Water Hydraulic Pump under complex working conditions is improved,
Extend the service life of friction pair.
In addition, micro- abrasive particle such as underground coal mine abrasive dust and sandstone is seriously polluted to aqueous medium, by the reciprocating motion of plunger,
The pressure oscillation of micro forming wall and micro- abrasive particle, the fluid structure interaction of aqueous medium and aqueous medium can realize micro forming on friction member
Pit is to the self-cleaning process of the receiving of micro- abrasive particle, conveying and outer row in friction auxiliary air gap, so as to further improve horizontal colliery
The abrasive wear problem of the cylinder sleeve friction pair of high-pressure high-flow Water Hydraulic Pump, is improved the abrasion resistance of cylinder sleeve friction pair.
The present invention opens up the micro forming for becoming size in the cylinder sleeve surface of friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump
Array structure, has the advantage that：One is the micro forming array structure of cylinder sleeve friction pair, can produce preferable hydrodynamic lubrication effect
Really, the greasy property of cylinder sleeve friction pair is improved, and then improves the abrasion resistance of cylinder sleeve friction pair；Two be that the micro- of cylinder sleeve friction pair makes
The nick hole of type array structure can store lubricant medium, the function with secondary lubrication；Three be the micro forming of cylinder sleeve friction pair
The nick hole pattern of array structure can store micro- abrasive particle, and in the presence of the motion of plunger and high-pressure medium, micro- dimple-shaped
Looks also have the function of conveying and the micro- abrasive particle of outer row, so that abrasive wear is alleviated or avoided；Four be, using change size design, to pass through
Synergy between micro forming depth dimensions, micro forming spacing dimension and micro forming area size, is compensated because of velocity of plunger and Jie
Lubrication and carrying fluctuation that matter pressure change is caused, so as to realize the stable lubrication of cylinder sleeve friction pair and carry, and then are prevented
Eccentric wear phenomenon caused by the unstable lubrication and carrying fluctuation of cylinder sleeve friction pair between wear ring, cylinder sleeve and plunger, improves sleeping
Reliability of the formula colliery high-pressure high-flow Water Hydraulic Pump under complex working conditions.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 becomes the micro forming array cross-sectional view of micro forming depth dimensions for the present invention；
Fig. 3 is the micro forming array schematic diagram of the change micro forming spacing dimension of friction member cylinder unwrapping of the present invention；
Fig. 4 is the micro forming array schematic diagram of the change micro forming area size of friction member cylinder unwrapping of the present invention；
Fig. 5 is micro forming depth dimensions, micro forming spacing dimension and the micro forming area of friction member cylinder unwrapping of the present invention
The micro forming array schematic diagram of dimension combination change；
Fig. 6 is cross-sectional view of the A-A positions in the case where micro forming depth dimensions changes according to different rules in Fig. 5；
Fig. 7 is cleaning schematic diagram of the microscopic appearance of the present invention to micro- abrasive particle；
In figure：1. friction member；2. wear ring；3. fixture；4. micro forming array；5. aqueous medium；6. micro- abrasive particle.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, below
In conjunction with specific embodiments and diagram, the present invention is expanded on further.
As shown in figure 1, the cylinder sleeve friction pair of the horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming, including fixation
Part 3, wear ring 2 and the friction member 1 matched with it, wear ring 2 are arranged on fixture 3 and coaxially arranged with friction member 1, friction
The surface of part 1 is provided with circumferentially distributed micro forming array 4, it is characterised in that：It is the micro forming depth dimensions of the micro forming array 4, micro-
At least one size is changed along the axis direction rule of wear ring 2 in moulding spacing dimension and micro forming area size.
The micro forming structure of described micro forming array 4 can be cylindrical, spherical, square, cuboid, concave station
One or more in shape, taper type, cone, goalpost shape or semielliptical shape.
As shown in Fig. 2 described micro forming depth dimensions is gradually increased by one end of friction member 1 to the other end, or gradually
Reduce, or first increase and reduce afterwards, or first reduce and increase afterwards.
As shown in figure 3, described micro forming spacing dimension is gradually increased by one end of friction member 1 to the other end, or gradually
Reduce, or first increase and reduce afterwards, or first reduce and increase afterwards.
As shown in figure 4, described micro forming area size is gradually increased by one end of friction member 1 to the other end, or gradually
Reduce, or first increase and reduce afterwards, or first reduce and increase afterwards.
As shown in Figure 5 and Figure 6, described micro forming depth dimensions, micro forming spacing dimension and micro forming area size be also
Change can be combined.
When described friction member 1 is cylinder sleeve, plunger is fixture 3, and wear ring 2 is arranged in the groove of outer plunger surface,
Wear ring 2 constitutes friction pair with cylinder sleeve；Described friction member 1 can also be plunger, and now cylinder sleeve is fixture 3, and wear ring 2 is pacified
In the groove of inner surface of cylinder liner, wear ring 2 constitutes friction pair with plunger.
In addition, as shown in fig. 7, micro- abrasive particle such as underground coal mine abrasive dust and sandstone is seriously polluted to aqueous medium, by plunger
Reciprocating motion, the pressure oscillation of micro forming wall and micro- abrasive particle, the fluid structure interaction of aqueous medium and aqueous medium on friction member 1
Self-cleaning process of the micro forming pit to the receiving, conveying and outer row of micro- abrasive particle in friction auxiliary air gap can be achieved, so that further
Improve the abrasive wear problem of the cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump, make the wear resistence of cylinder sleeve friction pair
It can be improved.
Due to micro forming depth dimensions, micro forming spacing dimension, micro forming area size, friction pair speed of related movement and
Dynamic pressure of the pressure differential at friction pair two ends to the cylinder sleeve friction pair of the horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming
Lubrication Properties are larger.The cylinder sleeve friction pair is in high speed and high pressure operating mode, and speed of related movement is high between plunger and cylinder sleeve, and
The form of relative motion is to be moved according to the oscillation cycle of sine and cosine curvilinear motion；In addition, with the reciprocating motion of plunger, plunger
Complete to inhale, discharge opeing process, inhale, pressure from large to small, then changes from small to big in discharge opeing process.Therefore, for compensation campaign speed and
The change of hydrodynamic lubrication performance caused by the difference change of wear ring pressure at two ends, by micro forming depth dimensions, micro forming spacing dimension
And micro forming area size is designed to changeable-shaped, by regularly change on friction member 1 with the effective contact area of wear ring 2
The above three size of micro forming array 4, to match the speed and pressure change in plunger motion process, by micro forming depth
Synergy between size, micro forming spacing dimension and micro forming area size, the lubrication that compensation speed and pressure change are caused
And carrying fluctuation, and then realize the stable lubrication of cylinder sleeve friction pair and carry.By rationally setting micro forming depth dimensions, it is micro-
Moulding spacing dimension and micro forming area size, not only improve the greasy property of cylinder sleeve friction pair, and can also prevent cylinder sleeve
Friction pair produces eccentric wear phenomenon, so that it is reliable under complex working conditions to improve horizontal colliery high-pressure high-flow Water Hydraulic Pump
Property, extend the service life of friction pair.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the base for simply illustrating the present invention described in above-described embodiment and specification
Present principles, without departing from the spirit and scope of the present invention, micro forming depth dimensions, micro forming distance ruler in the present invention
Very little and micro forming area size combination change can also produce the micro forming array of other forms, and these changes and improvements all fall
Enter in scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (7)
1. the cylinder sleeve friction pair of the horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming, including fixture (3), wear ring
(2) friction member (1) and with it matched, wear ring (2) is arranged on fixture (3) and coaxially arranged with friction member (1), friction
Part (1) surface is provided with circumferentially distributed micro forming array (4), it is characterised in that：The micro forming depth gauge rule of the micro forming array (4)
At least one size is become along wear ring (2) axis direction rule in very little, micro forming spacing dimension and micro forming area size
Change.
2. the cylinder sleeve friction pair of the horizontal high-pressure high-flow Water Hydraulic Pump in colliery according to claim 1 based on micro forming,
It is characterized in that：Described micro forming depth dimensions is gradually increased by one end of friction member (1) to the other end, or is gradually reduced,
Or first increase and reduce afterwards, or first reduce and increase afterwards.
3. the cylinder sleeve friction pair of the horizontal high-pressure high-flow Water Hydraulic Pump in colliery according to claim 1 based on micro forming,
It is characterized in that：Described micro forming spacing dimension is gradually increased by one end of friction member (1) to the other end, or is gradually reduced,
Or first increase and reduce afterwards, or first reduce and increase afterwards.
4. the cylinder sleeve friction pair of the horizontal high-pressure high-flow Water Hydraulic Pump in colliery according to claim 1 based on micro forming,
It is characterized in that：Described micro forming area size is gradually increased by one end of friction member (1) to the other end, or is gradually reduced,
Or first increase and reduce afterwards, or first reduce and increase afterwards.
5. the cylinder sleeve friction pair of the horizontal high-pressure high-flow Water Hydraulic Pump in colliery according to claim 1 based on micro forming,
It is characterized in that：Described micro forming depth dimensions, micro forming spacing dimension and micro forming area size can also combine change.
6. the cylinder sleeve friction pair of the horizontal high-pressure high-flow Water Hydraulic Pump in colliery according to claim 1 based on micro forming,
It is characterized in that：Described friction member (1) is cylinder sleeve, and now plunger is fixture (3), and wear ring (2) is arranged on plunger appearance
In the groove in face, wear ring (2) constitutes friction pair with cylinder sleeve.
7. the cylinder sleeve friction pair of the horizontal high-pressure high-flow Water Hydraulic Pump in colliery according to claim 1 based on micro forming,
It is characterized in that：Described friction member (1) is plunger, and now cylinder sleeve is fixture (3), and wear ring (2) is arranged on table in cylinder sleeve
In the groove in face, wear ring (2) constitutes friction pair with plunger.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564812.2A CN107165819A (en) | 2017-07-12 | 2017-07-12 | The cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564812.2A CN107165819A (en) | 2017-07-12 | 2017-07-12 | The cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming |
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| CN107165819A true CN107165819A (en) | 2017-09-15 |
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| CN201710564812.2A Pending CN107165819A (en) | 2017-07-12 | 2017-07-12 | The cylinder sleeve friction pair of horizontal colliery high-pressure high-flow Water Hydraulic Pump based on micro forming |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219878A (en) * | 2019-06-13 | 2019-09-10 | 天津大学 | A kind of full working scope compound friction auxiliary structure |
| CN110230638A (en) * | 2019-06-13 | 2019-09-13 | 天津大学 | A kind of full working scope composite construction sliding axle |
| CN110273921A (en) * | 2019-06-13 | 2019-09-24 | 天津大学 | A kind of full working scope composite construction sliding bearing |
| CN116181803A (en) * | 2023-03-08 | 2023-05-30 | 西南石油大学 | Bearing bush gradient surface texture for improving lubricating capacity of sliding bearing of fracturing pump |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219878A (en) * | 2019-06-13 | 2019-09-10 | 天津大学 | A kind of full working scope compound friction auxiliary structure |
| CN110230638A (en) * | 2019-06-13 | 2019-09-13 | 天津大学 | A kind of full working scope composite construction sliding axle |
| CN110273921A (en) * | 2019-06-13 | 2019-09-24 | 天津大学 | A kind of full working scope composite construction sliding bearing |
| CN116181803A (en) * | 2023-03-08 | 2023-05-30 | 西南石油大学 | Bearing bush gradient surface texture for improving lubricating capacity of sliding bearing of fracturing pump |
| CN116181803B (en) * | 2023-03-08 | 2023-09-22 | 西南石油大学 | Bearing bush gradient surface texture for improving lubricating capacity of sliding bearing of fracturing pump |
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Application publication date: 20170915 |