CN216216331U - Concrete mixer truck motor and speed reducer integrated structure - Google Patents
Concrete mixer truck motor and speed reducer integrated structure Download PDFInfo
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- CN216216331U CN216216331U CN202122679000.7U CN202122679000U CN216216331U CN 216216331 U CN216216331 U CN 216216331U CN 202122679000 U CN202122679000 U CN 202122679000U CN 216216331 U CN216216331 U CN 216216331U
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- speed reducer
- motor
- shell
- transition flange
- cavity
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Abstract
The utility model discloses an integrated structure of a motor and a speed reducer of a concrete mixer truck, which comprises a motor shell, a first bolt, a speed reducer shell, a motor output shaft, a second bolt and a transition flange, wherein the first bolt is arranged on the motor shell; the motor shell and the speed reducer shell share a transition flange as an end cover; the utility model has the beneficial effects that: the motor reducer is integrally designed, so that the assembly is simple, the structure is compact, the axial size is greatly reduced, and the overall weight is obviously reduced; the first clamp spring and the second clamp spring axially fix the rotary oil seal and the bearing, and the bearing fixes the motor output shaft to ensure the coaxiality of the rotary oil seal and the motor output shaft; when transition flange and speed reducer casing laminating, the locating piece of transition flange side surface inserts in the constant head tank that speed reducer casing side surface was seted up to make extension piece in the constant head tank insert in the slot that the locating piece surface was seted up, increased the location when transition flange and speed reducer casing laminating, make transition flange and speed reducer casing more convenient through first bolt-up.
Description
Technical Field
The utility model belongs to the technical field of concrete mixer trucks, and particularly relates to an integrated structure of a motor and a speed reducer of a concrete mixer truck.
Background
The electric drive concrete mixer truck loading system is motor + speed reducer + agitator tank, and after the electric drive loading system replaced traditional hydraulic drive system, because of the motor is far greater than the hydraulic motor size, there was the condition that axial installation size is not enough, and hydraulic motor weight increase is more than compared to the motor in addition, produces adverse effect to the lightweight of electric drive vehicle.
In order to shorten the axial dimension to a greater extent and reduce the overall weight of the motor and the reducer, an integrated structure of the motor and the reducer of the concrete mixer truck is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an integrated structure of a motor and a speed reducer of a concrete mixer truck, which can greatly shorten the axial dimension and reduce the overall weight of the motor and the speed reducer.
In order to achieve the purpose, the utility model provides the following technical scheme: a concrete mixer truck motor and speed reducer integrated structure comprises a motor shell, a first bolt, a speed reducer shell, a motor output shaft, a second bolt and a transition flange;
the motor shell and the speed reducer shell share a transition flange as an end cover;
a motor cavity is formed in the motor shell, a speed reducer cavity is formed in the speed reducer shell, and a primary planet wheel is arranged in the speed reducer cavity;
the shaft end of the motor output shaft is of an involute external tooth structure, and the motor output shaft extends into the speed reducer cavity and is meshed with the primary planet wheel;
rotary oil seals for sealing a motor cavity and a speed reducer cavity are arranged in the motor shell and the speed reducer shell;
bearings for supporting the output shaft of the motor are arranged in the motor shell and the speed reducer shell;
a first snap spring and a second snap spring are arranged inside the motor shell and the speed reducer shell, and the first snap spring and the second snap spring axially fix the rotary oil seal and the bearing;
the speed reducer shell and the transition flange are fastened through first bolts, and the motor shell and the transition flange are fastened through second bolts.
Preferably, the O-shaped sealing ring is used for sealing the connection end face of the speed reducer shell and the transition flange, and the transition flange and the speed reducer shell are provided with positioning assemblies.
Preferably, locating component includes slot, locating piece, constant head tank and extension piece, the constant head tank has been seted up to the side surface of speed reducer shell, and the inside of constant head tank is provided with the extension piece, transition flange's side surface seted up with constant head tank assorted locating piece, and the surface of locating piece seted up with extend a assorted slot.
Preferably, the slot is a trapezoidal slot, and the extension block is of a trapezoidal structure.
Preferably, the transition flange separates the motor cavity and the speed reducer cavity.
Preferably, a first-stage planet carrier is arranged in the speed reducer cavity, and the first-stage planet carrier is arranged on the first-stage planet carrier.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the motor reducer is integrally designed, so that the assembly is simple, the structure is compact, the axial size is greatly reduced, and the overall weight is obviously reduced;
(2) the first clamp spring and the second clamp spring axially fix the rotary oil seal and the bearing, and the bearing fixes the motor output shaft to ensure the coaxiality of the rotary oil seal and the motor output shaft;
(3) when transition flange and speed reducer casing laminating, the locating piece of transition flange side surface inserts in the constant head tank that speed reducer casing side surface was seted up to make extension piece in the constant head tank insert in the slot that the locating piece surface was seted up, increased the location when transition flange and speed reducer casing laminating, make transition flange and speed reducer casing more convenient through first bolt-up.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a structure of the transition flange separating a motor cavity and a speed reducer cavity according to the present invention;
FIG. 3 is a schematic view of the meshing structure of the output shaft of the motor and the primary planet wheel of the present invention;
FIG. 4 is an enlarged schematic view of the connection structure of the rotary oil seal, the first snap spring and the second snap spring;
FIG. 5 is a schematic structural diagram of the end faces of the casing and the transition flange of the O-shaped sealing ring sealing speed reducer of the utility model;
in the figure: 1. a motor housing; 2. rotating the oil seal; 3. a first clamp spring; 4. a first bolt; 5. a second clamp spring; 6. a primary planet wheel; 7. a primary planet carrier; 8. a speed reducer housing; 9. an output shaft of the motor; 10. a second bolt; 11. a transition flange; 12. an O-shaped sealing ring; 13. a bearing; 14. a motor cavity; 15. a speed reducer chamber; 16. a slot; 17. positioning blocks; 18. positioning a groove; 19. an extension block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: a concrete mixer truck motor and speed reducer integrated structure comprises a motor shell 1, a first bolt 4, a speed reducer shell 8, a motor output shaft 9, a second bolt 10 and a transition flange 11;
the motor shell 1 and the speed reducer shell 8 share a transition flange 11 as an end cover;
a motor cavity 14 is formed in the motor shell 1, a speed reducer cavity 15 is formed in the speed reducer shell 8, and a primary planet wheel 6 is arranged in the speed reducer cavity 15;
the shaft end of the motor output shaft 9 is of an involute external tooth structure, and the motor output shaft 9 extends into the speed reducer cavity 15 and is meshed with the first-stage planet wheel 6, so that power transmission is facilitated;
the motor shell 1 and the reducer shell 8 are internally provided with rotary oil seals 2 for sealing a motor cavity 14 and a reducer cavity 15;
a first snap spring 3 and a second snap spring 5 are arranged inside the motor shell 1 and the speed reducer shell 8, and the rotary oil seal 2 and the bearing 13 are axially fixed by the first snap spring 3 and the second snap spring 5;
the reducer housing 8 and the transition flange 11 are fastened by the first bolt 4, and the motor housing 1 and the transition flange 11 are fastened by the second bolt 10.
In this embodiment, preferably, the device further includes an O-ring 12 sealing a connection end surface of the speed reducer housing 8 and the transition flange 11, the transition flange 11 and the speed reducer housing 8 are provided with a positioning assembly, the positioning assembly includes a slot 16, a positioning block 17, a positioning groove 18 and an extension block 19, the side surface of the speed reducer housing 8 is provided with the positioning groove 18, the inside of the positioning groove 18 is provided with the extension block 19, the side surface of the transition flange 11 is provided with the positioning block 17 matched with the positioning groove 18, the surface of the positioning block 17 is provided with the slot 16 matched with the extension block 19, when the transition flange 11 and the speed reducer housing 8 are attached, the positioning block 17 on the side surface of the transition flange 11 is inserted into the positioning groove 18 on the side surface of the speed reducer housing 8, and the extension block 19 in the positioning groove 18 is inserted into the slot 16 on the surface of the positioning block 17, so as to increase the positioning when the transition flange 11 and the speed reducer housing 8 are attached, so that the transition flange 11 and the reducer case 8 are more conveniently fastened by the first bolts 4.
In this embodiment, preferably, the slot 16 is a trapezoidal slot, and the extension block 19 is a trapezoidal structure, so as to facilitate the matching between the extension block 19 and the slot 16.
In this embodiment, it is preferable that the transition flange 11 separates the motor cavity 14 and the reducer cavity 15. In this embodiment, preferably, the inside of the speed reducer chamber 15 is provided with the primary planet carrier 7, and the primary planet gear 6 is arranged on the primary planet carrier 7.
The working principle and the using process of the utility model are as follows: the motor shell 1 and the speed reducer shell 8 share the transition flange 11 as an end cover, the motor shell 1 and the transition flange 11 are fastened through the second bolt 10, when the transition flange 11 and the speed reducer shell 8 are attached, the positioning block 17 on the side surface of the transition flange 11 is inserted into the positioning groove 18 formed on the side surface of the speed reducer shell 8, the extending block 19 in the positioning groove 18 is inserted into the slot 16 formed on the surface of the positioning block 17, the positioning when the transition flange 11 and the speed reducer shell 8 are attached is increased, and the transition flange 11 and the speed reducer shell 8 are fastened more conveniently through the first bolt 4;
the two rotary oil seals 2 seal the motor cavity 14 and the speed reducer cavity 15; the first clamp spring 3 and the second clamp spring 5 axially fix the rotary oil seal 2 and the bearing 13; the bearing 13 fixes the motor output shaft 9, and the coaxiality of the rotary oil seal 2 and the motor output shaft 9 is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a concrete mixer motor and speed reducer integral type structure which characterized in that: the device comprises a motor shell (1), a first bolt (4), a speed reducer shell (8), a motor output shaft (9), a second bolt (10) and a transition flange (11);
the motor shell (1) and the speed reducer shell (8) share a transition flange (11) as an end cover;
a motor cavity (14) is formed in the motor shell (1), a speed reducer cavity (15) is formed in the speed reducer shell (8), and a primary planet wheel (6) is arranged in the speed reducer cavity (15);
the shaft end of the motor output shaft (9) is of an involute external tooth structure, and the motor output shaft (9) extends into the speed reducer cavity (15) and is meshed with the primary planet wheel (6);
the motor shell (1) and the reducer shell (8) are internally provided with rotary oil seals (2) for sealing a motor cavity (14) and a reducer cavity (15);
bearings (13) for supporting the motor output shaft (9) are arranged in the motor shell (1) and the speed reducer shell (8);
a first snap spring (3) and a second snap spring (5) are arranged inside the motor shell (1) and the speed reducer shell (8), and the rotary oil seal (2) and the bearing (13) are axially fixed by the first snap spring (3) and the second snap spring (5);
the speed reducer shell (8) and the transition flange (11) are fastened through first bolts (4), and the motor shell (1) and the transition flange (11) are fastened through second bolts (10).
2. The concrete mixer truck motor and speed reducer integrated structure according to claim 1, wherein: the O-shaped sealing ring sealing device is characterized by further comprising an O-shaped sealing ring (12) for sealing the connection end face of the speed reducer shell (8) and the transition flange (11), and positioning assemblies are arranged on the transition flange (11) and the speed reducer shell (8).
3. The concrete mixer truck motor and speed reducer integrated structure according to claim 2, wherein: locating component includes slot (16), locating piece (17), constant head tank (18) and extension piece (19), constant head tank (18) have been seted up to the side surface of speed reducer casing (8), and the inside of constant head tank (18) is provided with extension piece (19), transition flange (11) the side surface seted up with constant head tank (18) assorted locating piece (17), and the surface of locating piece (17) seted up with extension piece (19) assorted slot (16).
4. The concrete mixer truck motor and speed reducer integrated structure according to claim 3, wherein: the slot (16) is a trapezoidal slot, and the extension block (19) is of a trapezoidal structure.
5. The concrete mixer truck motor and speed reducer integrated structure according to claim 1, wherein: the transition flange (11) separates a motor cavity (14) and a speed reducer cavity (15).
6. The concrete mixer truck motor and speed reducer integrated structure according to claim 1, wherein: the inside in reduction gear chamber (15) is provided with one-level planet carrier (7), one-level planet wheel (6) set up on one-level planet carrier (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122679000.7U CN216216331U (en) | 2021-11-04 | 2021-11-04 | Concrete mixer truck motor and speed reducer integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122679000.7U CN216216331U (en) | 2021-11-04 | 2021-11-04 | Concrete mixer truck motor and speed reducer integrated structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216216331U true CN216216331U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122679000.7U Active CN216216331U (en) | 2021-11-04 | 2021-11-04 | Concrete mixer truck motor and speed reducer integrated structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216216331U (en) |
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2021
- 2021-11-04 CN CN202122679000.7U patent/CN216216331U/en active Active
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