CN209067820U - A kind of integrated disc assembly of heavy-duty transmission - Google Patents
A kind of integrated disc assembly of heavy-duty transmission Download PDFInfo
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- CN209067820U CN209067820U CN201821391817.6U CN201821391817U CN209067820U CN 209067820 U CN209067820 U CN 209067820U CN 201821391817 U CN201821391817 U CN 201821391817U CN 209067820 U CN209067820 U CN 209067820U
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Abstract
The utility model discloses a kind of integrated disc assemblies of heavy-duty transmission, belong to lubrication technical field, use in forced lubrication structure and use suitable for heavy-duty transmission.The oil supply system system oil pump of current produced heavy-duty transmission is independently arranged, is delivered to lubricating oil by external oil pipe and is needed position, realizes that this function needs multiple components to work in coordination and is achieved.For oil pipe since arrangement space and specific position require shape more complex, anufacturability is bad；Oil pipe need to cooperatively form oil circuit with special bolt, there is certain oil leak risk, and the utility model is by being integrated in draw-off tray shell for oil pump, lubricant passage way in order to solve this problem, and arrangement is conducive to improve assembly efficiency in the form of independent assembly.Structure novel, principle are simple, easy to manufacture, and number of parts is few, can reduce cost；Occupied space is smaller, and assembly is simple, and speed changer assembly efficiency can be improved.
Description
Technical field
The utility model relates to a kind of structures of heavy-duty transmission oil supply system, belong to lubrication technical field, are suitable for heavy type
Speed changer uses to be used in forced lubrication structure.
Background technique
The oil supply system system oil pump of current produced heavy-duty transmission is independently arranged, is conveyed lubricating oil by external oil pipe
To position is needed, realize that this function needs multiple components to work in coordination and is achieved.Oil pipe is due to arrangement space and specific
Status requirement shape is more complex, and anufacturability is bad；Oil pipe need to cooperatively form oil circuit with special bolt, there is certain oil leak wind
Danger.
Summary of the invention
The utility model proposes a kind of integrated disc assemblies of heavy-duty transmission to solve the above-mentioned problems.Using following skill
Art scheme is realized: a kind of integrated disc assembly of heavy-duty transmission, by shell 1, drive shaft 2, internal rotor 3, outer rotor 4, pump cover 5,
Fastening bolt 6 and overflow valve 7, spring 8, steel ball 9 form.
Wherein, 1 side of shell is equipped with oil pump hole, and the oil pump hole is stepped hole, and the inner hole in stepped hole is for installing
Outer rotor 4 can rotate freely in inner hole, and the exit orifice in stepped hole is for installing pump cover 5；Pump cover 5 is bolted installation
On shell 1；Internal rotor 3 is installed in the perforation at 4 center of outer rotor, and internal rotor 3 engages to form cycloid gear with 4 perforation of outer rotor
It is secondary；Drive shaft 2 is fixedly mounted in the through-hole at 3 center of internal rotor；Drive shaft 2 is pierced by among rear and speed changer from 5 central shaft hole of pump cover
Axis 10 is cooperatively connected；Drive shaft 2 can rotate freely in 5 central shaft hole of pump cover；
The contact face of pump cover 5 and outer rotor 4 is equipped with groove I 12 and groove II 13, the groove I 12 and groove II
13 is identical with depth；Groove II 13 is communicated with 5 edge of pump cover；
Oil pump hole neighbouring position is equipped with oil pump suction road in shell 1, in the oil pump hole end surface that shell 1 and outer rotor 4 cooperate
It is equipped with the fuel feed hole communicated with oil pump suction road；Be provided with by oil pump hole on shell 1 oil pump oil road A can on pump cover 5
Groove II 13 communicate；The oil pump oil road B and oil pump oil road C that oil pump oil road A is set again in 1 edge of shell are connected to
In the axis hole of 1 middle part of shell and the other side.
The other end that drive shaft 2 is fixedly connected with internal rotor 3 is equipped with the opposite symmetrical rectangular undulating portion in center, this is convex
Rise part with transmission countershaft 10 be arranged rectangular cooperate, enable drive shaft 2 in the transmission between axis 10 drive under into
Row rotation.
The stepped hole of through-going recess I 12 and groove II 13 is provided at the circumference of pump cover 5；Inner hole in the stepped hole successively fills
Enter steel ball 9 and spring 8, overflow valve 7 is installed in the exit orifice in the stepped hole；Exit orifice screw thread in overflow valve 7 and the stepped hole
Connection.
Preferably, the hole diameter at 5 circumference of pump cover is less than 9 radius of steel ball.
The utility model has the beneficial effects that
Oil pump, lubricant passage way are integrated in draw-off tray shell by the utility model, and arrangement is conducive to improve in the form of independent assembly
Assembly efficiency.Structure novel, principle are simple, easy to manufacture, and number of parts is few, can reduce cost；Occupied space is smaller, assembly letter
It is single, speed changer assembly efficiency can be improved.
Detailed description of the invention
Fig. 1 is the case of transmission axonometric drawing with the compatible portion of integrated disc assembly
Fig. 2 is the top view of integrated disc assembly
Fig. 3 is the axonometric drawing of integrated disc assembly
Fig. 4 is the A-A directional profile figure in Fig. 2；
Fig. 5 is the C-C directional profile figure in Fig. 2；
Fig. 6 is Fig. 2 in the direction D view；
Fig. 7 is the axonometric drawing of pump cover 5.
Specific embodiment
The specific embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
As shown in Figure 1, a kind of integrated disc assembly of heavy-duty transmission, by shell 1, drive shaft 2, internal rotor 3, outer rotor 4,
Pump cover 5, fastening bolt 6 and overflow valve 7, spring 8, steel ball 9 form.
Wherein, 1 side of shell is equipped with oil pump hole, and the oil pump hole is stepped hole, and the inner hole in stepped hole is for installing
Outer rotor 4 can rotate freely in inner hole, and the exit orifice in stepped hole is for installing pump cover 5；Pump cover 5 is bolted installation
On shell 1；Internal rotor 3 is installed in the perforation at 4 center of outer rotor, and internal rotor 3 engages to form cycloid gear with 4 perforation of outer rotor
It is secondary；Drive shaft 2 is fixedly mounted in the through-hole at 3 center of internal rotor；Drive shaft 2 is pierced by among rear and speed changer from 5 central shaft hole of pump cover
Axis 10 is cooperatively connected；Drive shaft 2 can rotate freely in 5 central shaft hole of pump cover；
The contact face of pump cover 5 and outer rotor 4 is equipped with groove I 12 and groove II 13, the groove I 12 and groove II
13 is identical with depth；And the stepped hole of through-going recess I 12 and groove II 13 is provided at 5 circumference of pump cover；In the stepped hole
Inner hole is sequentially loaded into steel ball 9 and spring 8, and overflow valve 7 is equipped in the exit orifice in the stepped hole；In overflow valve 7 and the stepped hole
Exit orifice be threadedly coupled.
Oil pump hole neighbouring position is equipped with oil pump suction road in shell 1, in the oil pump hole end surface that shell 1 and outer rotor 4 cooperate
It is equipped with the fuel feed hole communicated with oil pump suction road；Be provided with by oil pump hole on shell 1 oil pump oil road A can on pump cover 5
Overflow valve 7 communicate；The oil pump oil road B and oil pump oil road C that oil pump oil road A is set again in 1 edge of shell are connected to
In the axis hole of 1 middle part of shell and the other side.
The other end that drive shaft 2 is fixedly connected with internal rotor 3 is equipped with the opposite symmetrical rectangular undulating portion in center, this is convex
Rise part with transmission countershaft 10 be arranged rectangular cooperate, enable drive shaft 2 in the transmission between axis 10 drive under into
Row rotation.
Hole diameter at 5 circumference of pump cover is less than 9 radius of steel ball；Another terminal of 5 groove of pump cover is non-uniformly distributed added with three
Unthreaded hole can cooperate with fastening bolt 6.
As shown in Figure 1, the rectangular preiection groove corresponding with transmission countershaft 10 of the drive shaft 2 of integrated disc assembly carries out
Assembly drives drive shaft 2 to rotate together by transmission countershaft 10.As shown in Figure 2, Figure 4 shows, fixed on driving shaft 2 interior
Rotor 3 is engaged with outer rotor 4, is rotated in the cavity formed after pump cover 5 cooperates with shell 1, due to internal rotor 3 and outer rotor 4
1 tooth is differed, and internal rotor 3 is multi-tooth meshing, seal chamber is formed in the tooth top of internal rotor 3 and the tooth paddy of outer rotor, with interior turn
The rotary seal volume of son 3 forms parital vacuum, and lubricating oil is inhaled into from oil pump suction road by the fuel feed hole above outer rotor 4 close
Chamber is sealed, at this moment oil suction finishes.When rotor continues rotation, the sealed volume full of oil liquid is just gradually reduced, and oil liquid is squeezed,
Lubricating oil is discharged from the oil pump oil road in 5 outside of pump cover for the groove II 13 for then passing through 5 top of pump cover.Every turn one of internal rotor 3
In week, each sealed volume being made of 3 tooth top of internal rotor and 4 tooth paddy of outer rotor, completion is inhaled, pressure oil is each primary, works as internal rotor
When continuous rotation, that is, the suction oil work of oil pump is completed, continues lubricating oil being delivered to oil pump oil road by oil pump suction road.
Lubricating oil flow is divided into three directions, i.e. oil pump oil road A, oil pump oil road B, oil pump oil road C.
As shown in Figure 1, oil pump oil road A and oil pipe 11 cooperate, lubricating oil is delivered to inside speed changer, progress gear,
The lubrication of bearing.
As shown in Figure 2, Figure 4 shows, oil pump oil road B and 1 input shaft oil seal of shell lower section machine add Kong Peihe, and lubricating oil is conveyed
To input shaft inner hole, while lubricating input shaft oil seal and bearing；Oil pump oil road C adds face to match with another jackshaft machine of speed changer
Close the lubrication, it can be achieved that brake disc and bearing.
As shown in figure 5, integrated disc assembly is equipped with overflow valve, belong to the design of system release mechanism, as hypertonia Shi Ketong
Cross the balance of mechanism pressure.
Claims (4)
1. a kind of integrated disc assembly of heavy-duty transmission, which is characterized in that the assembly is mainly by shell (1), drive shaft (2), interior
Rotor (3), outer rotor (4), pump cover (5) composition；
Wherein, shell (1) side is equipped with oil pump hole, and the oil pump hole is stepped hole, and the inner hole in stepped hole is outer for installing
Rotor (4), can rotate freely in inner hole, and the exit orifice in stepped hole is for installing pump cover (5)；Pump cover (5) is bolted
It is mounted on shell (1)；Internal rotor (3) is installed in the perforation at outer rotor (4) center, and internal rotor (3) is nibbled with outer rotor (4) perforation
Conjunction forms cycloid tooth wheel set；Drive shaft (2) are fixedly mounted in the through-hole at internal rotor (3) center；Drive shaft (2) is from pump cover (5) center
It is cooperatively connected after axis hole is pierced by with transmission countershaft (10)；Drive shaft (2) can rotate freely in pump cover (5) central shaft hole；
The contact face of pump cover (5) and outer rotor (4) is equipped with groove I (12) and groove II (13), the groove I (12) and
Groove II (13) is identical with depth；Groove II (13) is communicated with pump cover (5) edge；
Oil pump hole neighbouring position is equipped with oil pump suction road in shell (1), in the oil pump nose end of shell (1) and outer rotor (4) cooperation
Face is equipped with the fuel feed hole communicated with oil pump suction road；Oil pump oil road A is provided with by oil pump hole on shell (1) can be with pump cover
(5) groove II (13) on communicates；The oil pump oil road B and oil pump that oil pump oil road A is set again in shell (1) edge are fuel-displaced
Road C is connected in the middle part of shell (1) and in the axis hole of the other side.
2. the integrated disc assembly of heavy-duty transmission according to claim 1, which is characterized in that drive shaft (2) is equipped with rectangle
The rectangular of convex portion, the convex portion and transmission countershaft (10) setting cooperates.
3. the integrated disc assembly of heavy-duty transmission according to claim 1, which is characterized in that opened at the circumference of pump cover (5)
There is the stepped hole of through-going recess I (12) and groove II (13)；Inner hole in the stepped hole is sequentially loaded into steel ball (9) and spring (8),
Overflow valve (7) are installed in the exit orifice in the stepped hole；Overflow valve (7) is threadedly coupled with the exit orifice in the stepped hole.
4. the integrated disc assembly of heavy-duty transmission according to claim 3, which is characterized in that small at pump cover (5) circumference
Bore dia is less than steel ball (9) radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391817.6U CN209067820U (en) | 2018-08-23 | 2018-08-23 | A kind of integrated disc assembly of heavy-duty transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391817.6U CN209067820U (en) | 2018-08-23 | 2018-08-23 | A kind of integrated disc assembly of heavy-duty transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209067820U true CN209067820U (en) | 2019-07-05 |
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ID=67091184
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821391817.6U Active CN209067820U (en) | 2018-08-23 | 2018-08-23 | A kind of integrated disc assembly of heavy-duty transmission |
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| CN (1) | CN209067820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303209A (en) * | 2020-10-30 | 2021-02-02 | 重庆长安汽车股份有限公司 | DCT transmission electronic oil pump arrangement structure and vehicle |
| CN114046350A (en) * | 2021-10-26 | 2022-02-15 | 一汽解放汽车有限公司 | Transmission structure of transmission |
-
2018
- 2018-08-23 CN CN201821391817.6U patent/CN209067820U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303209A (en) * | 2020-10-30 | 2021-02-02 | 重庆长安汽车股份有限公司 | DCT transmission electronic oil pump arrangement structure and vehicle |
| CN112303209B (en) * | 2020-10-30 | 2022-08-09 | 重庆长安汽车股份有限公司 | DCT transmission electronic oil pump arrangement structure and vehicle |
| CN114046350A (en) * | 2021-10-26 | 2022-02-15 | 一汽解放汽车有限公司 | Transmission structure of transmission |
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