CN117739098A - Device and method for separating all-in-one electric drive system speed reducer and motor shell - Google Patents
Device and method for separating all-in-one electric drive system speed reducer and motor shell Download PDFInfo
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- CN117739098A CN117739098A CN202311748122.4A CN202311748122A CN117739098A CN 117739098 A CN117739098 A CN 117739098A CN 202311748122 A CN202311748122 A CN 202311748122A CN 117739098 A CN117739098 A CN 117739098A
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Abstract
The invention provides a device and a method for separating a speed reducer and a motor shell of an all-in-one electric drive system, and relates to the technical field of speed reducer and motor shell separating devices. Including reduction gear casing and motor casing, be provided with a screw hole on the motor casing, be provided with No. two screw holes on the reduction gear casing, the position one-to-one setting of a screw hole and No. two screw holes, the aperture of No. two screw holes is greater than the aperture of a screw hole. The invention is skillfully improved on the basis of the original all-in-one electric drive system assembly speed reducer and the motor shell connecting bolt mounting hole, and has simple structure, easy implementation and lower cost.
Description
Technical Field
The invention belongs to the technical field of a speed reducer and motor shell separating device, and particularly relates to a speed reducer and motor shell separating device and method of an all-in-one electric drive system.
Background
Along with the development of energy conservation and emission reduction, the transformation of an automobile from an oil car to an electric car is imperative. The electric drive system is a core department of the pure electric vehicle, and has complex technology and high cost. In view of the cost problem, the manufacturing cost of the electric drive system is reduced through various technical innovations on the basis of not reducing the performance of the electric drive system, and three-in-one electric drive, six-in-one electric drive and multiple-in-one electric drive are generated in the background. As shown in fig. 1 and fig. 2, in order to facilitate the assembly of the reducer housing and the motor housing of the all-in-one electric drive system in the prior art, a plurality of threaded holes are formed in the end face of the motor housing, a plurality of unthreaded holes are formed in the end face of the reducer housing, the threaded holes and the unthreaded holes are arranged in a one-to-one correspondence manner, and then bolts are used to penetrate through the unthreaded holes and are in threaded connection with the threaded holes, so that the assembly is completed.
The all-in-one system has the condition of disassembly in development verification or after-market, however, the inventor finds that the speed reducer shell and the motor shell are difficult to separate in the process of disassembling the all-in-one electric drive assembly. The current disassembly modes of the speed reducer shell and the motor shell mainly comprise two modes:
first kind: the crow bar is used for prying the side gap at the joint of the speed reducer and the motor shell, so that the speed reducer and the motor shell are separated;
second kind: the hammer is used to strike the projection of the reducer housing to separate it from the motor housing.
The two disassembly processes have uneven stress on the shell, and multiple prying or knocking can cause damage to the shell, even the speed reducer and parts inside the motor.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the device and the method for separating the reducer of the all-in-one electric drive system from the motor shell, which are skillfully improved on the basis of the mounting holes of the connecting bolts of the reducer of the original all-in-one electric drive system assembly and the motor shell, and have the advantages of simple structure, easy implementation and lower cost.
To achieve the above object, one or more embodiments of the present invention provide the following technical solutions:
the first aspect of the invention provides an all-in-one electric drive system reducer and motor housing separation apparatus.
The utility model provides an all-in-one electric drive system reduction gear and motor casing separator, includes reduction gear casing and motor casing, be provided with a screw hole on the motor casing, be provided with No. two screw holes on the reduction gear casing, a screw hole and No. two screw hole's position one-to-one setting, no. two screw hole's aperture is greater than a screw hole's aperture.
Optionally, the number of screw hole No. one and No. two screw holes is set up to two, two screw holes No. one the motor casing end face personally submits the diagonal setting.
Optionally, the quantity of screw hole No. one and No. two screw holes sets up to more than two, and is a plurality of screw holes No. one evenly set up along motor housing terminal surface.
Optionally, the device further comprises a large-size bolt, wherein the size of the large-size bolt is matched with the aperture of the second threaded hole.
Optionally, the motor casing is last still to be provided with No. three screw holes, still be provided with No. four unthreaded holes on the reduction gear casing, no. three screw holes and No. four unthreaded holes's position one-to-one setting.
Optionally, the hole diameters of the third threaded hole, the fourth unthreaded hole and the first threaded hole are the same.
Optionally, a plurality of threaded holes are formed in the number three; and the third threaded holes and the first threaded holes are uniformly distributed along the end face of the motor shell.
Optionally, the device further comprises a small-size bolt, wherein the size of the small-size bolt is matched with the aperture of the third threaded hole and the first threaded hole.
The invention provides a speed reducer of an all-in-one electric drive system and a motor casing separation method.
The method for separating the reducer and the motor shell of the all-in-one electric drive system comprises the following steps:
when the speed reducer shell and the motor shell are required to be separated, removing a small-size bolt in the first threaded hole;
and then screwing the large-size bolt into the second threaded hole until the end part of the large-size bolt abuts against the end surface of the motor shell, so that the speed reducer shell and the motor shell are separated.
Optionally, the method further comprises:
when the speed reducer shell and the motor shell are required to be assembled, the small-size bolt is screwed into the second threaded hole until the small-size bolt is screwed to the tail end of the first threaded hole;
simultaneously, screw the small-size bolt into the screw hole of No. three through No. four unthreaded holes, revolve to the screw hole end of No. three.
The one or more of the above technical solutions have the following beneficial effects:
1. the invention provides a device and a method for separating a reducer and a motor shell of an all-in-one electric drive system, which are skillfully improved on the basis of the installation holes of connecting bolts of the reducer and the motor shell of the original all-in-one electric drive system, wherein a fourth unthreaded hole at the joint of the reducer and the motor shell is changed into a second threaded hole, the aperture of the second threaded hole is larger than that of the first threaded hole, when the electric drive system is disassembled and the shell is separated, a small-size bolt is firstly disassembled, then a large-size bolt is screwed, and the reducer shell and the motor shell can be jacked up in the screwing process, so that the two are separated.
2. The invention has simple structure, easy implementation and lower cost.
Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a schematic diagram of a prior art all-in-one electric drive system reducer housing and motor housing without bolts.
Fig. 2 is a schematic diagram of a prior art all-in-one electric drive system reducer housing and motor housing mounting bolts.
FIG. 3 is a schematic illustration of the multiple in one electric drive system reducer housing and motor housing of the present invention without bolts.
FIG. 4 is a schematic illustration of the multiple in one electric drive system reducer housing and motor housing mounting bolts of the present invention.
Fig. 5 is a schematic diagram of the multiple in one electric drive system of the present invention with the reducer housing and motor housing separated by large bolts.
In the drawings, the list of components represented by the various numbers is as follows:
1 speed reducer casing, 2 motor casing, screw hole No. 3, screw hole No. 4, no. 5 big bolts, screw hole No. 6, no. 7 light holes, no. 8 small bolts.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention.
Embodiments of the invention and features of the embodiments may be combined with each other without conflict.
The whole conception is as follows:
as shown in fig. 1 and 2, in the prior art, a plurality of screw holes, that is, a third screw hole, are formed on an end face of a motor housing, a plurality of unthreaded holes, that is, a fourth unthreaded hole, are formed on an end face of a speed reducer housing in a one-to-one correspondence manner, and then a small bolt is used to penetrate through the fourth unthreaded hole to be in threaded connection with the third screw hole, so that the assembly is completed. The existing design only plays a role in the bolt connection and locking of the speed reducer shell and the motor shell.
On the basis of the above, the invention improves the third threaded hole and the fourth unthreaded hole, thereby being capable of conveniently separating the speed reducer shell from the motor shell on the premise of cost angle and convenient operation. The method comprises the following steps:
the four-number unthreaded hole at the joint of the all-in-one electric drive system assembly speed reducer and the motor shell is changed into a large-size bolt hole, namely a second threaded hole, and the function is as follows: when the electric drive system disassembles the casing and separates, dismantle the small-size bolt earlier, then screw in with big-size bolt, screw in the in-process, can jack up reduction gear casing and motor casing to realize the separation of both.
Example 1
The embodiment discloses a device for separating a reducer of an all-in-one electric drive system from a motor housing 2.
As shown in fig. 3 and 4, the all-in-one electric drive system speed reducer and motor housing 2 separating device comprises a speed reducer housing 1 and a motor housing 2, a first threaded hole 3 is formed in the motor housing 2, a second threaded hole 4 is formed in the speed reducer housing 1, the positions of the first threaded hole 3 and the second threaded hole 4 are arranged in a one-to-one correspondence mode, and the aperture of the second threaded hole 4 is larger than that of the first threaded hole 3.
Still include large-size bolt 5, the size of large-size bolt 5 and the aperture looks adaptation of No. two screw holes 4.
When the two needs to be separated, the large-size bolt 5 is screwed into the second threaded hole 4, and because the aperture of the second threaded hole 4 is larger than that of the first threaded hole 3, the large-size bolt 5 is screwed into the boundary between the second threaded hole 4 and the first threaded hole 3 (namely the end face of the motor housing 2) and cannot be screwed continuously, and the large-size bolt 5 is used for abutting the end part of the large-size bolt 5 on the end face of the motor housing 2 at the moment, so that the large-size bolt 5 and the first threaded hole can be separated.
The second threaded hole 4 and the first threaded hole 3 are respectively formed in the speed reducer and the motor shell 2, and the second threaded hole 4 in the speed reducer shell 1 adopts a threaded through hole; the depth of the first threaded hole 3 at the motor end meets the tensile strength after the bolts are locked, and meanwhile, the motor shell 2 is not penetrated, and a certain wall thickness is kept at the bottom of the first threaded hole 3.
It will be appreciated that when the reduction gear and the motor housing 2 are assembled, it is necessary to use a small bolt 8 fitted into the first threaded hole 3, and lock both by the small bolt 8.
In the specific number and position setting, in this embodiment, the number of the first threaded hole 3 and the second threaded hole 4 is preferably two, and two the first threaded hole 3 is diagonally arranged along the end face of the motor housing 2, so that the stress can be conveniently and uniformly applied.
In other embodiments, the number of the first threaded holes 3 and the second threaded holes 4 is more than two, and a plurality of the first threaded holes 3 are uniformly formed along the end face of the motor housing 2, so that the cost of the form of the arrangement of the two second threaded holes 4 is slightly higher than that of the arrangement of the embodiment.
In order to meet the requirement of locking strength when the motor shell 2 is locked, a third threaded hole 6 is further formed in the motor shell 1, a fourth unthreaded hole 7 is further formed in the speed reducer shell 1, and the positions of the third threaded hole 6 and the fourth unthreaded hole 7 are arranged in a one-to-one correspondence mode; the aperture of the third threaded hole 6 is the same as that of the fourth unthreaded hole 7 and the first threaded hole 3. The novel screw bolt further comprises a small-size screw bolt 8, and the size of the small-size screw bolt 8 is matched with the aperture of the third screw hole 6 and the aperture of the first screw hole 3.
Specifically, a plurality of threaded holes 6 are formed in the number of the third threaded holes; a plurality of the third threaded holes 6 and the first threaded holes 3 are uniformly distributed along the end face of the motor housing 2.
The embodiment improves the prior art:
the speed reducer and the motor shell 2 in the prior art are locked by bolts, one side of the shell on two sides is a unthreaded hole, and the other side is a threaded hole. The side of the unthreaded hole is changed into a large-size threaded hole, and the bolt passes through the large-size threaded hole during the assembly; when the shell is disassembled, the corresponding large-size bolts 5 are screwed in, and when the ends of the bolts are propped against the shell at the other side, the shell is propped up to realize the disassembly and separation.
For example: two mounting holes which are distributed diagonally are preferably arranged on the combined end surface of the speed reducer and the motor shell 2, and the speed reducer shell 1 hole on one side of the unthreaded hole is changed into a large-size threaded hole, namely a second threaded hole 4 (if the locking bolt is M10, the unthreaded hole is changed into an M12 threaded hole). When the disassembly shell of the electric drive system is separated, the M10 bolt is disassembled firstly, then the M12 bolt is screwed in, and in the screwing process, the speed reducer and the motor shell 2 can be ejected so as to be separated.
In the disassembly process, the shell is simple and convenient to separate and easy to operate; the complex structure of the shell is simplified, and the development difficulty and cost of the shell mould are reduced.
Example two
The embodiment discloses a method for separating a reducer of an all-in-one electric drive system from a motor housing 2.
As shown in fig. 4 and 5, the method for separating the all-in-one electric drive system reducer from the motor housing 2 comprises the following steps:
when the speed reducer shell 1 and the motor shell 2 need to be separated, the small-size bolt 8 in the first threaded hole 3 is removed;
and then the large-size bolt 5 is screwed into the second threaded hole 4 until the end part of the large-size bolt 5 abuts against the end surface of the motor housing 2, so that the speed reducer housing 1 and the motor housing 2 are separated.
Further comprises:
when the speed reducer shell 1 and the motor shell 2 are required to be assembled, the small-size bolt 8 is screwed into the second threaded hole 4 until the tail end of the first threaded hole 3;
simultaneously, screw the small bolt 8 into the threaded hole 6 through the unthreaded hole 7 until the end of the threaded hole 6 is screwed.
It will be appreciated by those skilled in the art that the modules or steps of the invention described above may be implemented by general-purpose computer means, alternatively they may be implemented by program code executable by computing means, whereby they may be stored in storage means for execution by computing means, or they may be made into individual integrated circuit modules separately, or a plurality of modules or steps in them may be made into a single integrated circuit module. The present invention is not limited to any specific combination of hardware and software.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (10)
1. The utility model provides a many unifications electricity drive system reduction gear and motor casing separator, its characterized in that, including reduction gear casing and motor casing, be provided with a screw hole on the motor casing, be provided with No. two screw holes on the reduction gear casing, a screw hole and No. two screw hole's position one-to-one setting, no. two screw hole's aperture is greater than a screw hole's aperture.
2. The all-in-one electric drive system reducer and motor housing separator of claim 1, wherein the number of said first threaded holes and said second threaded holes is two, and wherein the two said first threaded holes are diagonally disposed along the motor housing end face.
3. The all-in-one electric drive system reducer and motor housing separator of claim 1, wherein the number of said first and second threaded holes is two or more, and a plurality of said first threaded holes are uniformly provided along the motor housing end face.
4. The all-in-one electric drive system reducer and motor housing separation apparatus of claim 1, further comprising a large bolt sized to fit within the bore of the second threaded bore.
5. The all-in-one electric drive system speed reducer and motor housing separation device according to claim 1, wherein a third threaded hole is further formed in the motor housing, a fourth unthreaded hole is further formed in the speed reducer housing, and the positions of the third threaded hole and the fourth unthreaded hole are in one-to-one correspondence.
6. The all-in-one electric drive system reducer and motor housing separation apparatus of claim 5 wherein said third threaded bore has the same bore diameter as said fourth and first threaded bores.
7. The all-in-one electric drive system reducer and motor housing separation apparatus of claim 5, wherein a plurality of said third threaded holes are provided; and the third threaded holes and the first threaded holes are uniformly distributed along the end face of the motor shell.
8. The all-in-one electric drive system reducer and motor housing separation apparatus of claim 5, further comprising a small bolt sized to fit within the bore of the third and first threaded bores.
9. The method for separating the reducer and the motor shell of the all-in-one electric drive system is characterized by comprising the following steps of:
when the speed reducer shell and the motor shell are required to be separated, removing a small-size bolt in the first threaded hole;
and then screwing the large-size bolt into the second threaded hole until the end part of the large-size bolt abuts against the end surface of the motor shell, so that the speed reducer shell and the motor shell are separated.
10. The all-in-one electric drive system retarder and motor housing separation device of claim 9, further comprising:
when the speed reducer shell and the motor shell are required to be assembled, the small-size bolt is screwed into the second threaded hole until the small-size bolt is screwed to the tail end of the first threaded hole;
simultaneously, screw the small-size bolt into the screw hole of No. three through No. four unthreaded holes, revolve to the screw hole end of No. three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311748122.4A CN117739098A (en) | 2023-12-18 | 2023-12-18 | Device and method for separating all-in-one electric drive system speed reducer and motor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311748122.4A CN117739098A (en) | 2023-12-18 | 2023-12-18 | Device and method for separating all-in-one electric drive system speed reducer and motor shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117739098A true CN117739098A (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311748122.4A Pending CN117739098A (en) | 2023-12-18 | 2023-12-18 | Device and method for separating all-in-one electric drive system speed reducer and motor shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117739098A (en) |
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2023
- 2023-12-18 CN CN202311748122.4A patent/CN117739098A/en active Pending
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