CN102777574B - Speed reducer and upper box thereof - Google Patents

Speed reducer and upper box thereof Download PDF

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Publication number
CN102777574B
CN102777574B CN201210281581.1A CN201210281581A CN102777574B CN 102777574 B CN102777574 B CN 102777574B CN 201210281581 A CN201210281581 A CN 201210281581A CN 102777574 B CN102777574 B CN 102777574B
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Prior art keywords
oil sac
upper box
oil
sac
speed reducer
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CN102777574A (en
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胡炜
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WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd.
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WORLD TRANSMISSION TECHNOLOGY (TIANJIN) Co Ltd
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Abstract

The invention provides a kind of speed reducer upper box, two madial walls of its width direction are respectively arranged with the first oil sac and the second oil sac, on two madial walls of upper box length direction, the madial wall of at least side is provided with side oil sac, in the oil sac of side, is provided with the side oil circuit communicated with the bearing support of upper box.By the first oil sac and the second oil sac, and newly-installed side oil sac, to the collection of lubricant oil, improve the Collection utilization amount of lubricant oil; The side oil circuit communicated with bearing support that fluid is arranged on it is delivered to bearing support position, improves the lubrication and cooling effect at bearing support place.Especially, when all arranging side oil sac on the two side of the length direction of upper box, it comparatively only has the side oil sac of side, further increases the collecting amount of lubricant oil, strengthens the lubrication and cooling effect at speed reducer upper bearing bracket place.Present invention also offers a kind of speed reducer with above-mentioned upper box structure.

Description

Speed reducer and upper box thereof
Technical field
The present invention relates to power transmission device technical field, more particularly, relate to a kind of speed reducer and upper box thereof.
Background technique
W1 series reduction is pump speed reducer, has parallel axes 1 grade of drive mechanism, and the ratio coverage of its transmission is 1.25-5.6, and therefore the high speed shaft of speed reducer and lower velocity shaft all have rotational speed faster.More heat is created when bearing rotary speed makes speed reducer work faster.Operationally, in order to better lower the temperature to bearing, bearing place needs to provide sufficient lubricant oil speed reducer, gives bearing lubrication on the one hand by lubricant oil, and heat also can be taken away by while faster.
Arrange oil sac above box house two side shaft holder of speed reducer, be equipped with the oil circuit of connection between oil sac and bearing outer ring, the lubricant oil that so just the splashing that oil sac is collected can be got up collects delivers to bearing place, for bearing provides better lubrication and heat radiation.
In speed reducer, the position of oil sac is arranged on the tank wall of the both sides at bearing support place, therefore speed reducer is in rotation process, on high speed shaft or lower velocity shaft axle only some lubricant oil by the oil sac that can drop on after splashing on tank wall, the oil mass that oil sac is collected is sufficient not, fully can not realize the collection to the lubricant oil splash.
Therefore, how improving the collecting amount of lubricant oil in speed reducer, with better for bearing provides lubrication and heat radiation, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of upper box of speed reducer, to realize the collecting amount improving lubricant oil in speed reducer, better to provide lubrication for bearing and to dispel the heat; Present invention also offers a kind of speed reducer with above-mentioned upper box.
In order to achieve the above object, the invention provides following technological scheme:
A kind of upper box of speed reducer, two madial walls of its width direction are respectively arranged with the first oil sac and the second oil sac, the at least side of two madial walls of described upper box length direction is provided with side oil sac, in it, is provided with the side oil circuit communicated with the bearing support of described upper box.
Preferably, in above-mentioned upper box, the position of described side oil sac is higher than the position of described first oil sac.
Preferably, in above-mentioned upper box, described side oil circuit is inner for being arranged on described side oil sac, and the oil circuit be connected with described first oil sac.
Preferably, in above-mentioned upper box, described side oil circuit is two, and it is the inside being all arranged on described side oil sac, and the first side oil circuit be connected with described second oil sac with described first oil sac respectively and the second side oil circuit.
Preferably, in above-mentioned upper box, the medium position of described side oil sac between described first oil sac and the top of described upper box.
Preferably, in above-mentioned upper box, described side oil sac is two.
Preferably, in above-mentioned upper box, two described side oil sacs are symmetricly set on two madial walls on described upper box length direction.
Preferably, in above-mentioned upper box, the two ends of described side oil sac extend to respectively and are connected with two madial walls on described upper box width direction.
Preferably, in above-mentioned upper box, described side oil sac is identical at the sectional shape of its radial direction with described first oil sac in the cross section of its radial direction.
A kind of speed reducer, comprise the upper box and lower box that coordinate and install, described upper box is the upper box of the speed reducer as described in above-mentioned any one.
Speed reducer upper box provided by the invention, two madial walls of its width direction are respectively arranged with the first oil sac and the second oil sac, on two madial walls of upper box length direction, the madial wall of at least side is provided with side oil sac, in the oil sac of side, is provided with the side oil circuit communicated with the bearing support of upper box.Speed reducer in the course of the work, the lubricant oil splashed along with the rotation of speed reducer internal gear, time on two madial walls being splashed to upper box length direction, oil droplet along landing on the madial wall of upper box is collected in the oil sac of side, and the side oil circuit communicated with bearing support arranged on it is carried and is carried out lubrication and cooling to bearing support position, by the first oil sac and the second oil sac, and newly-installed side oil sac, can more effective realization to the collection of lubricant oil in speed reducer working procedure, and the Collection utilization amount of lubricant oil is improve by the transmission of oil droplet, thus improve the lubrication and cooling effect at bearing support place.Especially, when all arranging side oil sac on the two side of the length direction of upper box, it comparatively only has the side oil sac of side, further increases the collecting amount of lubricant oil, strengthens the lubrication and cooling effect at speed reducer upper bearing bracket place.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of speed reducer provided by the invention;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the sectional view in A-A direction in Fig. 1;
Fig. 4 is the sectional view in B-B direction in Fig. 2;
Fig. 5 is the sectional view in C-C direction in Fig. 4.
Embodiment
The invention discloses a kind of upper box of speed reducer, improve the collecting amount of lubricant oil in speed reducer, achieve better for bearing provides lubrication and heat radiation; Present invention also offers a kind of speed reducer with above-mentioned upper box.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1-Figure 3, Fig. 1 is the front view of speed reducer provided by the invention; Fig. 2 is the plan view of Fig. 1; Fig. 3 is the sectional view in A-A direction in Fig. 1.
In the upper box of speed reducer provided by the invention, two madial walls of the width direction of upper box 1 are respectively arranged with the first oil sac 2 and the second oil sac 3, the at least side of two madial walls of upper box 1 length direction is provided with side oil sac, in the oil sac of side, is provided with the side oil circuit communicated with the bearing support of upper box.
Speed reducer in the course of the work, the lubricant oil splashed along with the rotation of speed reducer internal gear, time on two madial walls being splashed to upper box length direction, oil droplet along landing on the madial wall of upper box is collected in the oil sac of side, and the side oil circuit communicated with bearing support arranged on it is carried and is carried out lubrication and cooling to bearing support position, by the first oil sac 2 and the second oil sac 3, and newly-installed side oil sac, can more effective realization to the collection of lubricant oil in speed reducer working procedure, and the Collection utilization amount of lubricant oil is improve by the transmission of oil droplet, thus improve the lubrication and cooling effect at bearing support place.
Especially, when all arranging side oil sac on the two side of the length direction of upper box, it comparatively only has the side oil sac of side, further increases the collecting amount of lubricant oil, strengthens the lubrication and cooling effect at speed reducer upper bearing bracket place.
In the present invention one specific embodiment, the position of side oil sac is higher than the position of the first oil sac 2.When the first oil sac 2 that the width direction of upper box is arranged and the second oil sac 3 can realize working to speed reducer, the gear of its inside has splashed the collection of lubricant oil, first oil sac 2 and the second oil sac 3 arrange on the width direction of upper box, time known, width direction is the installation side of bearing support, and the lubricant oil therefore collected by the first oil sac 2 and the second oil sac 3 is delivered directly to bearing support position by the oil circuit on it.
And side oil sac is arranged on the length direction of upper box, make the mounting point of side oil sac distance between bearing seat far away, can be transported on bearing support smoothly to make the lubricant oil that side oil sac is collected, need between side oil sac and bearing support, to form larger oil pressure poor, thus be beneficial to the transmission realizing the lubricant oil that offside oil sac is collected.By arranging the position of side oil sac higher than the first oil sac 2, make to form certain height difference between side oil sac and bearing support, poor with the oil pressure that this increases between side oil sac and bearing support, ensure that the transmission of lubricant oil between side oil sac and bearing support.
In the present embodiment one preferably embodiment, side oil circuit is the inside being arranged on side oil sac, and the oil circuit be connected with the first oil sac 2.Side oil circuit is set to the path being directly communicated with side oil sac and the first oil sac 2, utilize the position of side oil sac higher than the design of the first oil sac 2 simultaneously, therefore when collecting lubricant oil in the oil sac of side, lubricant oil can be transported in the first oil sac 2 by the oil circuit arranged therebetween, and then by the first oil circuit that the first oil sac 2 and the first oil sac 2 are arranged, lubricant oil is delivered to bearing support position.
By arranging the oil circuit being communicated with side oil sac and the first oil sac 2, avoid the side oil circuit offered separately on the oil sac of side and be communicated with itself and bearing support, thus avoid the madial wall of upper box 1 width direction is processed further, reduce the manufacture difficulty of side oil sac, ensure that the structural strength of upper box, and the further collection reached lubricant oil in speed reducer, and utilize the lubricant oil collected, improve the lubrication and cooling effect of reductor shaft bearing.
As shown in Figure 4 and Figure 5, Fig. 4 is the sectional view in B-B direction in Fig. 2; Fig. 5 is the sectional view in C-C direction in Fig. 4.
In the present embodiment one preferred version, side oil circuit is two, comprises the inside of the side oil sac that the first side oil circuit 6 and the second side oil circuit 7, two side oil circuits are all arranged, and is connected with the second oil sac 3 with the first oil sac 2 respectively.Arranging side oil circuit is two, make the lubricant oil collected by side oil sac can be transported to the first oil sac 2 and the second oil sac 3 by shunting, and then be transported to the bearing support place of the first oil sac side and the second oil sac side, the lubricant oil collected by side oil sac achieves the lubrication and cooling function of the bearing support to speed reducer width direction both sides, can improve the work conformity of the bearing support of speed reducer both sides.
Certainly, the design of the first side oil circuit 6 and the second side oil circuit 7 can adjust according to the carrying at work of speed reducer two side shaft holder and working state, namely the oil mass of oil circuit size to the lubricant oil in inflow first oil sac 2 and the second oil sac 3 by arranging the first different side oil circuits 6 and the second side oil circuit 7 regulates, and makes the optimization of fine setting realization to speed reducer working state of being measured by lubricant oil recycling speed reducer.Be understandable that, the lubricant oil that speed reducer inside is collected by oil sac is the sub-fraction of required lubricant oil during speed reducer normally works, therefore the first side oil circuit 6 and the second side oil circuit 7 can be arranged symmetrically with in placement process, improve bearing lubrication and cooling effect while, reduce the difficulty of processing of speed reducer upper box.
In the present invention one specific embodiment, the medium position of side oil sac between the first oil sac 2 and the top of upper box 1, the side oil sac being arranged on position can realize above-mentioned side oil sac and the position between the first oil sac 2 and the second oil sac 3 sets, and has during oil sac position, above-mentioned side is arranged the beneficial effect had.It should be noted that, the rotation of speed reducer internal gear needs enough rotation spaces herein, and the interpolation of side oil sac occupies the space of upper box 1 internal gear rotation.
By arranging the medium position at top side oil sac being arranged on the first oil sac 2 and upper box 1, it makes the pinion rotation space of the speed reducer of upper box 1 inside can not be subject to the impact of side oil sac interpolation, ensure that the carrying out of the normal work of speed reducer.
In the present invention one preferably embodiment, side oil sac is two, comprises the first side oil sac 4 and the second side oil sac 5.Speed reducer in the course of the work, the impact of the lubricant oil that two madial walls of its length direction all can be splash, therefore side oil sac is all set in above-mentioned two positions, make the lubricant oil splash by speed reducer can obtain maximized collection, and utilize the lubricant oil collected, second-pumping, to the position of the bearing support of speed reducer, improves the lubrication and cooling effect of speed reducer.
In the present embodiment one preferably embodiment, on two madial walls being arranged on upper box length direction of two side oil sac symmetries, symmetrical design is easy to realize the setting to oil sac position inside speed reducer upper box, avoid the difficulty of processing increasing speed reducer upper box simultaneously, be easy to the manufacture realizing oil sac on the upside of upper box.
Speed reducer internal gear, in rotation process, is appeared at the arbitrary position of upper box 1 width direction along the direction of gear shaft by the lubricant oil that splashes.The two ends arranging side oil sac extend to respectively and are connected with two madial walls on upper box width direction, make to be splashed to lubricant oil on upper box madial wall by speed reducer internal gear and major part can be collected into the position of side oil sac and the first oil sac 2, second oil sac 3, thus, be easy to realize increasing oil sac to the collecting amount of lubricant oil, and then fully by the position of lubricant oil second-pumping to bearing support, while lubricant oil is made full use of, further ensure the Cooling and Lubricator effect at bearing support place.
Side oil sac is when the lubricant oil splashed to speed reducer is collected, receive on the one hand and be splashed on upper box 1 madial wall and the lubricant oil of landing, on the other hand, side oil sac also will receive speed reducer in the course of the work directly by the lubricant oil splash simultaneously, therefore side oil sac is needed to have open structure, to be easy to realize the collection to the lubricant oil splashed in speed reducer.
Particularly, it is identical at the sectional shape of its radial direction with the first oil sac 2 in the cross section of its radial direction that side oil sac is set.Side oil sac is the device of the lubricant oil that the collection arranged along the madial wall of upper box is splashed, it has longer length, and be set to integrative-structure with the madial wall of upper box, it shows as from length the groove structure collected lubricant oil, the first oil sac 2 in prior art in upper box 1 and the second oil sac 3 can realize collecting and be delivered to bearing place to lubricant oil and proceed lubrication and cooling work, and therefore arranging side oil sac is the effect that the cross section structure identical with the cross section of the first oil sac also can reach to lubricant oil collection.
Particularly, because side oil sac is compared to the first oil sac 2 and the higher design attitude of the second oil sac 3, therefore it is when collecting lubricant oil, the lubricant oil splashed in the oil sac of side needs certain sputtering height, therefore still directly splashing down of a part of lubricant oil can be caused, the lubricant oil splashed is collected in order to as much as possible, the angle of inclination at the edge of side oil sac can be set, when it meets the groove structure having and collect lubricant oil, can make to collect more lubricant oil by the angle of inclination at edge simultaneously, thus further can improve the recycling rate of waterused of lubricant oil.
Based on the upper box of the speed reducer provided in above-described embodiment, present invention also offers a kind of speed reducer, comprising the upper box that coordinates and install and the upper box that is provided with of this speed reducer of the lower box upper box of speed reducer for providing in above-described embodiment.
Because this speed reducer have employed the speed reducer upper box of above-described embodiment, so the beneficial effect that this speed reducer is brought by speed reducer upper box please refer to above-described embodiment.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (6)

1. the upper box of a speed reducer, two madial walls of its width direction are respectively arranged with the first oil sac (2) and the second oil sac (3), it is characterized in that, the at least side of two madial walls of described upper box (1) length direction is provided with side oil sac, in it, is provided with the side oil circuit communicated with the bearing support of described upper box (1);
The position of described side oil sac higher than the position of described first oil sac (2), and described side oil sac be positioned at described first oil sac (2) and described upper box (1) top between medium position; Described side oil sac is two, and two described side oil sacs are symmetricly set on two madial walls on described upper box (1) length direction.
2. upper box according to claim 1, is characterized in that, described side oil circuit is inner for being arranged on described side oil sac, and the oil circuit be connected with described first oil sac (2).
3. upper box according to claim 1, it is characterized in that, described side oil circuit is two, it is for being all arranged on the inside of described side oil sac, and the first side oil circuit (6) be connected with described second oil sac (3) with described first oil sac (2) respectively and the second side oil circuit (7).
4. upper box according to claim 1, is characterized in that, the two ends of described side oil sac extend to respectively and are connected with two madial walls on described upper box width direction.
5. upper box according to claim 1, is characterized in that, described side oil sac is identical at the sectional shape of its radial direction with described first oil sac (2) in the cross section of its radial direction.
6. a speed reducer, comprise the upper box and lower box that coordinate and install, it is characterized in that, described upper box is the upper box (1) as the speed reducer in claim 1-5 as described in any one.
CN201210281581.1A 2012-08-08 2012-08-08 Speed reducer and upper box thereof Active CN102777574B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013018708A1 (en) * 2013-11-08 2015-05-13 Sew-Eurodrive Gmbh & Co Kg Housing for a gearbox and gearbox with a housing
DE102013018713A1 (en) 2013-11-08 2015-05-13 Sew-Eurodrive Gmbh & Co Kg Gearbox with housing
CN104712736B (en) * 2013-12-17 2017-11-14 Sew-工业减速机(天津)有限公司 Decelerator with housing
CN104712744B (en) * 2013-12-17 2018-01-19 Sew-工业减速机(天津)有限公司 Housing for decelerator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420478A2 (en) * 1989-09-26 1991-04-03 Delaware Capital Formation Inc. Low flow tilting pad thrust bearing
DE4234905A1 (en) * 1992-02-11 1993-08-12 Desch Kg Heinrich Planetary gearbox, clutch and brake unit for press drive - has hydrostatic lubrication to flywheel bearing and lubricating oil circulation to all moving parts
CN201526664U (en) * 2009-11-13 2010-07-14 中国北车集团大同电力机车有限责任公司 Thin oil lubrication circuit of drive gearbox of railroad rolling stock
CN201705903U (en) * 2010-04-15 2011-01-12 沃德(天津)传动有限公司 Speed reducer
CN202833968U (en) * 2012-08-08 2013-03-27 沃德(天津)传动有限公司 Speed reducer and upper box body thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420478A2 (en) * 1989-09-26 1991-04-03 Delaware Capital Formation Inc. Low flow tilting pad thrust bearing
DE4234905A1 (en) * 1992-02-11 1993-08-12 Desch Kg Heinrich Planetary gearbox, clutch and brake unit for press drive - has hydrostatic lubrication to flywheel bearing and lubricating oil circulation to all moving parts
CN201526664U (en) * 2009-11-13 2010-07-14 中国北车集团大同电力机车有限责任公司 Thin oil lubrication circuit of drive gearbox of railroad rolling stock
CN201705903U (en) * 2010-04-15 2011-01-12 沃德(天津)传动有限公司 Speed reducer
CN202833968U (en) * 2012-08-08 2013-03-27 沃德(天津)传动有限公司 Speed reducer and upper box body thereof

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