CN104295881A - Guiding ring slot guided single-plunger multipoint progressive distributor - Google Patents
Guiding ring slot guided single-plunger multipoint progressive distributor Download PDFInfo
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- CN104295881A CN104295881A CN201410548410.XA CN201410548410A CN104295881A CN 104295881 A CN104295881 A CN 104295881A CN 201410548410 A CN201410548410 A CN 201410548410A CN 104295881 A CN104295881 A CN 104295881A
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- plunger
- fat
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Abstract
Disclosed is a guiding ring slot guided single-plunger multipoint progressive distributor. The guiding ring slot guided single-plunger multipoint progressive distributor is composed of a bolt 1, an end cover 2, an O-ring 3, a valve body 4, a plunger 5, a guide pin 6, a sealing gasket 7 and the like and characterized in that the outer cylindrical surface of the plunger 5 is provided with a parallelogram guiding ring slot, which is parallel to the axis in the axial direction and provided with bevel edges in the radial direction, and the phase difference of two axial grooves is 45 degree; guided by the guide pin, the plunger 5 is controlled to move left and right through the two grooves parallel to the axis, and the two radial bevel edges controls the forward and reverse rotation of the plunger 5; the left end and the right end of the plunger 5 are provided with independent radial grease feeding holes, and the phase difference of the radial grease feeding holes at the left end and the right end is also 45 degrees; when the plunger 5 moves leftwards, the radial grease feeding hole at the left end is sequentially communicated with a grease discharging hole at the left end of the valve body 4, and the phase difference between the radial grease feeding hole at the right end and a grease discharging hole at the right end of the valve body is 45 degrees, and the radial grease feeding hole at the right end is in a closed state; switching of a grease supply cavity and changing of the operating direction of the plunger 5 are controlled through the same guiding ring slot.
Description
One, technical field:
The present invention relates to the single plunger multiple spot stepwise type distributor that a kind of annular groove that leads leads control.This single plunger multiple spot stepwise type distributor of leading control by guiding annular groove is especially adapted to the lubrication system that wind power generating set, rail cars, automobile chassis are applied, and the multi point lubricating system on other mechanized equipments.
Two, background technique:
For improve heavy machinery equipment working life, raise the efficiency and save the energy, all kinds of heavy machinery equipment is all configured with automatic grease lubrication system.In existing all kinds of grease lubrication system, the main mode of action concentrates for fat, then supply each lubricating point by distributor pointwise.The basic structure of distributor is the combination of multi-disc spool-type valves; Working principle is the mobile handoff internal control oil duct by valve core of the spool valve, and the grease that grease-supplying pump is supplied enters one end cavity volume of valve core of the spool valve successively, and promotion valve core of the spool valve moves and the lubricating grease in its other end cavity volume is drained into each lubricating point successively.Its main deficiency is that its working principle switches internal galleries by the movement of valve core of the spool valve, and then promote valve core of the spool valve action discharge grease successively, its internal control oil duct is elongated, turnover is many, complicated, the pressure loss of lubricating grease flowing too greatly, high, the complex structure of energy consumption, easily to result in blockage.Especially for multi point lubricating system, required for fat pressure up to 42MPa.But in current practical application, normal appearance, because the in-fighting of distributor is excessive, cannot ensures the effectively lubricating of bearing, cause bearing to occur the bad earlier period damage of partial lubrication.Also often exceed standard and cause the drive motor of lubricant pump to damage because the resistance of ambient temperature rapid drawdown liquid.
1, the present invention be based on: the working principle of existing distributor is to mobile handoff runner by sliding valve style poppet shaft, control the mobile laddering confession fat sequentially realized between lubricating point of each spool, its internal control runner is elongated, turn to right angle many, power consumpiton is large, when ambient temperature has a greater change, the viscosity of lubricating grease is changed, the normal insufficient lubrication premature wear that lubricating point occurs.
2, the present invention be based on: the working principle of existing distributor is to mobile handoff runner by sliding valve style poppet shaft, control the mobile laddering confession fat sequentially realized between lubricating point of each spool, during operation, once certain point blocks, systemic breakdown, cannot resupply lubricating grease.
3, the present invention be based on: the working principle of existing distributor is to mobile handoff runner by sliding valve style poppet shaft, control the mobile laddering confession fat sequentially realized between lubricating point of each spool, each spool can only realize at 2 to fat, too complicated for its structure of equipment with multiple lubrication point system.
Three, summary of the invention:
The present invention will develop a kind ofly novel led control by guiding annular groove, switched the single plunger progressive distributor of oil duct without internal control, and its structure simply, arranges fat runner short, and energy consumption is little, effectively can solve in existing dispenser technology all kinds of drawbacks existed.
Solution of the present invention is: this guiding annular groove leads the single plunger multiple spot stepwise type distributor of control, is formed by combining by bolt 1, end cap 2, O shape circle 3, valve body 4, plunger 5, guide finger 6, sealing gasket 7.It is characterized in that: be provided with on the outer round surface of plunger 5 one axially with axis being parallel, radial be that the parallel 4 limit shapes of hypotenuse are led annular groove, the phase difference of two axial grooves 45 °; Lead control by guide finger 6, control moving left and right of plunger 5 by two grooves with axis being parallel, controlled forward and reverse rotation of plungers 5 by two radial hypotenuses; The two ends, left and right of plunger 5 are provided with and independently axially lead to fat hole with radial to fat hole, the radial direction of left and right end also differs 45 ° to fat hole phase place, during plunger 5 left lateral, the radial direction of left end is connected successively to the grease-outlet hole of left end on fat hole and valve body 4, the radial direction of right-hand member, to the grease-outlet hole phase difference 45 ° of fat hole and valve body 4 right-hand member, is in closed state; When plunger 5 left lateral arrives the hypotenuse of the right-hand member of its guiding annular groove, 45 ° are rotated under the effect of the tangential force given at guide finger 6, make the radial direction of left end to fat bore closure, the radial direction of right-hand member is communicated with the grease-outlet hole being arranged on valve body 4 right-hand member to fat hole, along with the rotation of plunger 5, it changes for fat cavity volume thereupon, and plunger 5 becomes right lateral and supplies lubricating grease to the grease-outlet hole of valve body 4 right-hand member successively; When plunger 5 right lateral touches the hypotenuse that it leads control annular groove left end, reverse under the effect of guide finger 6 again, get back to the left lateral initial bit of plunger 5, complete a circulation of distributor for fat.Its lubrication is counted and to be determined by the stroke of annular groove that the grease-outlet hole number on valve body 4 and plunger 5 lead; The axial distance moving past grease-outlet hole on valve body 4 by the radial direction on the sectional area of plunger 5 and its to fat hole to fat amount of each lubricating point determines.Its structure and mechanism are: the upper end of guide finger 6 is fixed on valve body 4, and lower end is inserted in the guiding groove of plunger 5, and coordinates with its trench gap; When right-hand member cavity volume from grease-supplying pump to plunger 5 inject lubricating grease time, due to the controlling role of guide finger 6, plunger 5 is pushed and moves left along guiding groove; At initial position, be arranged on the radial direction that plunger 5 is connected with the left end cavity volume of plunger 5 to be communicated with the grease-outlet hole of left end on valve body 4 to fat hole, in plunger 5 left end cavity volume, the former lubricating grease be filled with is discharged to first grease-outlet hole of left end on valve body 4, via Pipeline transport to first lubricating point along with the movement of plunger 5; Along with plunger 5 guide finger 6 lead control under be moved to the left, on plunger 5 give fat hole by left end on valve body 4 switching from first grease-outlet hole to second grease-outlet hole and give fat; Along with plunger 5 guide finger 6 lead control under be moved to the left, drain into each lubricating point to the grease-outlet hole that is arranged on left end on valve body 4 to fat successively; The hypotenuse of guide ring groove is arrived when plunger 5 moves to left, rotation 45 ° under the effect of the tangential force that plunger 5 gives at guide finger 6, make to be arranged on plunger 5 right-hand member and left end to fat hole differ 45 °, being communicated with the grease-outlet hole of right-hand member on valve body 4 to fat hole of being connected with the right-hand member cavity volume of plunger 5, and it is radial to fat hole to close plunger 5 left end.Plunger 5 has just forwarded the initial bit moved right for fat to, switches to fat cavity volume thereupon; Along with the change of giving fat cavity volume, when left end cavity volume from grease-supplying pump to plunger 5 inject lubricating grease time, plunger 5 guide finger 6 lead control under move right and with going forward one by one to the grease-outlet hole of valve body 4 right-hand member to fat, when plunger 5 right lateral arrives the hypotenuse of guiding annular groove, reversion 45 ° under the in like manner effect of tangential force that gives at guide finger 6 of plunger 5, thus the right lateral pointwise completing this stepwise type distributor is gone forward one by one to fat, and covered a ring week in leading under control of guide finger 6 according to guiding annular groove, and enter the initial position of next left lateral.
To the change of the switching of fat cavity volume and plunger 5 traffic direction, controlled by same control annular groove of leading: the present invention is provided with the confession fat hole be connected with grease-supplying pump on valve body 4, on the circumferential outer surface corresponding with it of plunger 5, be provided with two mutual disconnected confession fat grooves, they are separated by 45 °.Being communicated with the right-hand member cavity volume of plunger 5 for fat groove of corresponding plunger 5 left lateral, and the fat groove that supplies of corresponding plunger 5 right lateral is communicated with the left end cavity volume of plunger 5.When plunger 5 is in the right-hand member of valve body 4 and keeps being moved to the left, being communicated with the right-hand member cavity volume of plunger 5 by supplying fat groove for fat hole of grease-supplying pump; When plunger 5 stroke left finishes, guide finger 6 lead control under, the rotation of plunger 5 just have switched simultaneously grease-supplying pump for fat groove, make being connected with the left end cavity volume of plunger 5 for fat groove by another for fat hole of grease-supplying pump.To the change of the switching of fat cavity volume and plunger 5 traffic direction, also can separately establish solenoid valve to realize.
The present invention's more existing multi-disc spool-type valves composite structure is compared, its laddering control principle giving fat is brand-new: it is without the switching of internal control oil duct, only along with the movement of plunger have switched the grease-outlet hole of lubricating point successively, runner is short, in-fighting is little, plunger guide groove to lead under control just can successively pointwise separately automatically to several grease lubrication point for fat.It instead of the identical structure of number cover with a plunger, a valve body, significantly simplify structure, provides cost savings.Under the condition of identical grease-supplying pump power, can effectively improve for fat length of pipe; Under the condition identical for fat length of pipe, can effectively reduce for fat power; Under identical confession fat power and the condition for fat length of pipe, more can ensure the effectively lubricating of the heavy equipment that circumstance of temperature difference is large, lubricating grease liquid resistiveization is large; More effectively can prevent the blocking on grease-conveying tube road.
Four, accompanying drawing illustrates:
Accompanying drawing 1 is the vertical arrangement sectional drawing of plunger 5 left lateral of the present invention for fat operating mode.
Accompanying drawing 2 is plunger 5 left lateral of the present invention horizontal structure sectional drawings for fat operating mode.
Five, embodiment:
The specific embodiment of the present invention is: when right-hand member cavity volume from grease-supplying pump to plunger 5 inject lubricating grease time, due to the controlling role of guide finger 6, plunger 5 is pushed and moves left along guiding groove; At initial position, be arranged on the radial direction that plunger 5 is connected with the left end cavity volume of plunger 5 to be communicated with the grease-outlet hole of left end on valve body 4 to fat hole, in plunger 5 left end cavity volume, the former lubricating grease be filled with is discharged to first grease-outlet hole of left end on valve body 4, via Pipeline transport to first lubricating point along with the movement of plunger 5; Along with plunger 5 guide finger 6 lead control under be moved to the left, on plunger 5 give fat hole by left end on valve body 4 switching from first grease-outlet hole to second grease-outlet hole and give fat; Along with plunger 5 guide finger 6 lead control under be moved to the left, drain into each lubricating point to the grease-outlet hole that is arranged on left end on valve body 4 to fat successively; The hypotenuse of guide ring groove is arrived when plunger 5 moves to left, rotation 45 ° under the effect of the tangential force that plunger 5 gives at guide finger 6, make to be arranged on plunger 5 right-hand member and left end to fat hole differ 45 °, being communicated with the grease-outlet hole of right-hand member on valve body 4 to fat hole of being connected with the right-hand member cavity volume of plunger 5, and it is radial to fat hole to close plunger 5 left end.Plunger 5 has just forwarded the initial bit moved right for fat to, switches to fat cavity volume thereupon; Along with the change of giving fat cavity volume, when left end cavity volume from grease-supplying pump to plunger 5 inject lubricating grease time, plunger 5 guide finger 6 lead control under move right and with going forward one by one to the grease-outlet hole of valve body 4 right-hand member to fat, when plunger 5 right lateral arrives the hypotenuse of guiding annular groove, reversion 45 ° under the in like manner effect of tangential force that gives at guide finger 6 of plunger 5, thus the right lateral pointwise completing this stepwise type distributor is gone forward one by one to fat, and covered a ring week in leading under control of guide finger 6 according to guiding annular groove, and enter the initial position of next left lateral.
To the change of the switching of fat cavity volume and plunger 5 traffic direction, controlled by same control annular groove of leading: the present invention is provided with the confession fat hole be connected with grease-supplying pump on valve body 4, on the circumferential outer surface corresponding with it of plunger 5, be provided with two mutual disconnected confession fat grooves, they are separated by 45 °.Being communicated with the right-hand member cavity volume of plunger 5 for fat groove of corresponding plunger 5 left lateral, and the fat groove that supplies of corresponding plunger 5 right lateral is communicated with the left end cavity volume of plunger 5.When plunger 5 is in the right-hand member of valve body 4 and keeps being moved to the left, being communicated with the right-hand member cavity volume of plunger 5 by supplying fat groove for fat hole of grease-supplying pump; When plunger 5 stroke left finishes, guide finger 6 lead control under, the rotation of plunger 5 just have switched simultaneously grease-supplying pump for fat groove, make being connected with the left end cavity volume of plunger 5 for fat groove by another for fat hole of grease-supplying pump.
Claims (2)
1. the annular groove that leads leads a single plunger multiple spot stepwise type distributor for control, is formed by combining by bolt (1), end cap (2), O shape circle (3), valve body (4), plunger (5), guide finger (6), sealing gasket (7), it is characterized in that: be provided with on the outer round surface of plunger (5) one axially with axis being parallel, radial be that the parallel 4 limit shapes of hypotenuse are led annular groove, the phase difference of two axial grooves 45 °, lead control by guide finger (6), control moving left and right of plunger (5) by two grooves with axis being parallel, controlled forward and reverse rotation of plunger (5) by two radial hypotenuses, the two ends, left and right of plunger (5) are provided with and independently axially lead to fat hole with radial to fat hole, the radial direction of left and right end also differs 45 ° to fat hole phase place, during plunger (5) left lateral, the radial direction of left end is connected successively to the grease-outlet hole of fat hole and the upper left end of valve body (4), the radial direction of right-hand member, to the grease-outlet hole phase difference 45 ° of fat hole and valve body (4) right-hand member, is in closed state, when plunger (5) left lateral arrives the hypotenuse of the right-hand member of its guiding annular groove, rotation 45 ° under the effect of the tangential force given at guide finger (6), make the radial direction of left end to fat bore closure, the radial direction of right-hand member is communicated with the grease-outlet hole being arranged on valve body (4) right-hand member to fat hole, along with the rotation of plunger (5), it changes for fat cavity volume thereupon, and plunger (5) becomes right lateral and supplies lubricating grease to the grease-outlet hole of valve body (4) right-hand member successively, when plunger (5) right lateral touches the hypotenuse that it leads control annular groove left end, reverse under the effect of guide finger (6) again, get back to the left lateral initial bit of plunger (5), complete a circulation of distributor for fat, its lubrication is counted by the stroke decision of guiding annular groove on the grease-outlet hole number on valve body (4) and plunger (5), the axial distance moving past the upper grease-outlet hole of valve body (4) by the radial direction on the sectional area of plunger (5) and its to fat hole to fat amount of each lubricating point determines, its structure and mechanism are: the upper end of guide finger (6) is fixed on valve body (4), and lower end is inserted in the guiding groove of plunger (5), and coordinates with its trench gap, when right-hand member cavity volume from grease-supplying pump to plunger (5) inject lubricating grease time, due to the controlling role of guide finger (6), plunger (5) is pushed and moves left along guiding groove, at initial position, be arranged on the upper radial direction be connected with the left end cavity volume of plunger 5 of plunger (5) to be communicated with to the grease-outlet hole of the upper left end of fat hole and valve body (4), in plunger (5) left end cavity volume, the former lubricating grease be filled with is discharged to first grease-outlet hole of the upper left end of valve body (4), via Pipeline transport to first lubricating point along with the movement of plunger (5), along with plunger (5) guide finger (6) lead control under be moved to the left, on plunger (5) give fat hole by the upper left end of valve body (4) switching from first grease-outlet hole to second grease-outlet hole and to fat, along with plunger (5) guide finger (6) lead control under be moved to the left, drain into each lubricating point to the grease-outlet hole that is arranged on the upper left end of valve body (4) to fat successively, the hypotenuse of guide ring groove is arrived when plunger (5) moves to left, rotation 45 ° under the effect of the tangential force that plunger (5) gives at guide finger (6), make to be arranged on plunger (5) right-hand member and left end to fat hole differ 45 °, being communicated with to the grease-outlet hole of fat hole and valve body (4) upper right-hand member of being connected with the right-hand member cavity volume of plunger 5, and it is radial to fat hole to close plunger (5) left end, plunger (5) has just forwarded the initial bit moved right for fat to, switches to fat cavity volume thereupon, along with the change of giving fat cavity volume, when left end cavity volume from grease-supplying pump to plunger (5) inject lubricating grease time, plunger (5) guide finger (6) lead control under move right and with going forward one by one to the grease-outlet hole of valve body (4) right-hand member to fat, when plunger (5) right lateral arrives the hypotenuse of guiding annular groove, reversion 45 ° under the in like manner effect of tangential force that gives at guide finger (6) of plunger (5), thus the right lateral pointwise completing this stepwise type distributor is gone forward one by one to fat, and lead that control is lower has covered a ring week according to the annular groove that leads at guide finger (6), and enter the initial position of next left lateral, to the change of the switching of fat cavity volume and plunger (5) traffic direction, controlled by same control annular groove of leading: the present invention is provided with the confession fat hole be connected with grease-supplying pump on valve body (4), on the circumferential outer surface corresponding with it of plunger (5), be provided with two mutual disconnected confession fat grooves, they are separated by 45 °, being communicated with the right-hand member cavity volume of plunger (5) for fat groove of corresponding plunger (5) left lateral, and the fat groove that supplies of corresponding plunger (5) right lateral is communicated with the left end cavity volume of plunger (5), when plunger (5) is in the right-hand member of valve body (4) and keeps being moved to the left, being communicated with the right-hand member cavity volume of plunger (5) by supplying fat groove for fat hole of grease-supplying pump, when plunger (5) stroke left finishes, guide finger (6) lead control under, the rotation of plunger (5) just have switched the confession fat groove of grease-supplying pump simultaneously, makes being connected with the left end cavity volume of plunger (5) for fat groove by another for fat hole of grease-supplying pump.
2. a kind of annular groove that leads according to claim 1 leads the single plunger multiple spot stepwise type distributor of control, it is characterized in that: controlled by solenoid directional control valve to the change of the switching of fat cavity volume and plunger (5) traffic direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410548410.XA CN104295881A (en) | 2014-10-16 | 2014-10-16 | Guiding ring slot guided single-plunger multipoint progressive distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410548410.XA CN104295881A (en) | 2014-10-16 | 2014-10-16 | Guiding ring slot guided single-plunger multipoint progressive distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104295881A true CN104295881A (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410548410.XA Pending CN104295881A (en) | 2014-10-16 | 2014-10-16 | Guiding ring slot guided single-plunger multipoint progressive distributor |
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| Country | Link |
|---|---|
| CN (1) | CN104295881A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826004A (en) * | 2018-09-14 | 2018-11-16 | 中国铁建重工集团有限公司 | A kind of stepwise type distributor and lubricating system for high viscosity grease lubrication system |
| CN112368505A (en) * | 2018-07-09 | 2021-02-12 | 鲁贝株式会社 | Lubricating pump device |
-
2014
- 2014-10-16 CN CN201410548410.XA patent/CN104295881A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112368505A (en) * | 2018-07-09 | 2021-02-12 | 鲁贝株式会社 | Lubricating pump device |
| CN112368505B (en) * | 2018-07-09 | 2022-11-04 | 鲁贝株式会社 | Lubricating pump device |
| CN108826004A (en) * | 2018-09-14 | 2018-11-16 | 中国铁建重工集团有限公司 | A kind of stepwise type distributor and lubricating system for high viscosity grease lubrication system |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20150121 |