CN218428123U - Tool for disassembling motor coupler - Google Patents
Tool for disassembling motor coupler Download PDFInfo
- Publication number
- CN218428123U CN218428123U CN202222642055.5U CN202222642055U CN218428123U CN 218428123 U CN218428123 U CN 218428123U CN 202222642055 U CN202222642055 U CN 202222642055U CN 218428123 U CN218428123 U CN 218428123U
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- baffle
- shaped notch
- jack
- tool
- coupler
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Abstract
The utility model relates to an instrument for dismantling motor coupling, including body and jack. The body includes first baffle, second baffle and connecting portion, and wherein, first baffle and second baffle are parallel to each other and keep apart from. The first baffle is provided with a U-shaped notch, the coupler penetrates through the U-shaped notch, the jack is arranged between the coupler and the second baffle, and the motor rotating shaft can be jacked away from the coupler. The utility model discloses simple structure compares with current disc type extracting tool, need not use the bolt, saves construction bolt's time, can also avoid the jack to break the bolt.
Description
Technical Field
The utility model relates to a motor maintenance equipment field, concretely relates to a structure for dismantling motor coupling's instrument.
Background
The coupling, commonly called a back wheel, is a device for connecting two shafts or a shaft and a rotating part, and a shaft coupling is arranged on a rotating shaft of a motor. When the motor is overhauled, the coupler on the rotating shaft of the motor needs to be detached.
The traditional tool three-jaw puller for disassembling the motor coupler needs to be positioned at an axis to be locked during disassembly, and then a wrench rotates a screw to separate the coupler from a rotating shaft. The three-jaw puller has two disadvantages: 1. the screw of the three-jaw puller is not easy to position and is easy to wear the rotating shaft; 2. the coupler has various models and sizes, and three-jaw puller with various weight limit specifications is required to be equipped according to the model of the coupler.
The utility model patent of application number CN201921835569.4 discloses a back wheel puller that uses in little space has the disc of threaded hole, and is fixed shaft coupling and disc through the bolt during use, and the reuse lead screw passes circular fixed bolster, twists the lead screw and pushes up the pivot from the shaft coupling.
The utility model discloses a utility model patent that application number is CN202121620553.9 discloses that the back wheel draws ware and back wheel and draws the subassembly, draws the ware body and is the circular structure that has the bolt hole, and it is fixed with the ware of drawing through the screw bolt during the use, puts into the jack between drawing ware and shaft coupling, and the restart jack is with the pivot top from the shaft coupling.
Although the two schemes can avoid the problems that the three-jaw puller is positioned and deviated and a worker needs to carry various three-jaw pullers to a certain extent, the time consumption for fixing the coupler and the corresponding component by using the bolt is long, the tensile strength of the bolt is limited, and the coupler of the large motor is easily broken when being disassembled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art, motor coupling draws the ware when using, need be through the bolt fastening problem that time is wasted and the bolt is broken easily.
The utility model provides an instrument for dismantling motor coupling, including body and jack.
The body includes first baffle, second baffle and connecting portion. The first baffle is parallel to the second baffle and keeps a distance. The first baffle is provided with a U-shaped notch for the shaft sleeve part of the coupler to enter. The connecting part is fixedly connected with the first baffle and the second baffle, and a space for the flange part of the coupler to pass through is formed in the connecting part.
The base of the jack is abutted against the second baffle and transversely movably mounted between the first baffle and the second baffle. The top rod of the jack faces the U-shaped notch of the first baffle.
Therefore, when the shaft coupling is used, the shaft sleeve part of the shaft coupling is inserted into the U-shaped notch, the flange part of the shaft coupling is attached to the first baffle, the ejector rod of the jack is aligned to the motor rotating shaft in the shaft coupling, and then the jack is started, so that the motor rotating shaft can be separated from the shaft coupling.
The utility model discloses an instrument for dismantling motor coupling, simple structure compares with current disc type extracting tool, owing to do not have the bolt of fixed usefulness, can save construction bolt's time, can also avoid the jack to break the bolt.
Preferably, the first baffle and the second baffle are circular plates parallel to each other and having the same size. The tail end of the U-shaped notch forms a semicircle, the circle center of the semicircle is superposed with the circle center of the first baffle, and the ejector rod of the jack faces the circle center of the tail end of the U-shaped notch.
The body made of the circular plate is stressed uniformly and is not easy to be broken, so that the body is firmer and more durable.
Preferably, the connecting part comprises a plurality of connecting strips, and each connecting strip is fixedly connected with the edges of the first baffle and the second baffle. The connecting strip is made of long-strip-shaped steel and is perpendicularly welded with the first baffle and the second baffle.
Because the body has simple structure, additional punching is not needed on the circular plate, and the manufacture is very convenient.
Preferably, the connecting portion includes a first connecting bar, a second connecting bar, and a third connecting bar. The first connecting strip and the second connecting strip are symmetrical about the symmetry axis of the U-shaped notch and are arranged on two sides of the U-shaped notch, and the interval between the first connecting strip and the second connecting strip is larger than the flange part of the coupler. The third connecting strip is arranged on the symmetrical axis of the U-shaped notch and on the back of the U-shaped notch.
Because the body adopts a symmetrical structure, the body is arranged on the coupler, the angle of the body is rotated, the left counter weight and the right counter weight of the symmetrical body are the same, and the body can be stably arranged on the motor coupler.
Preferably, the connecting strips are evenly distributed.
Because the connecting strips are uniformly distributed, the stress can be uniformly distributed, so that the connecting strips can bear larger tension, and the body is firmer and more durable.
Drawings
FIG. 1 is an illustration of the body of a tool for removing a motor coupling;
fig. 2 is an explanatory view of a body of a tool for disassembling the motor coupling, as seen from a direction of fig. 1;
fig. 3 is an explanatory view of the shapes of the coupling and the body;
FIG. 4 is an explanatory view of placing a tool for removing the motor coupling on the coupling;
fig. 5 is an explanatory view of separating the motor shaft from the coupling using a tool for detaching the motor coupling.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements and techniques of the present invention so that advantages and features of the present invention may be more readily understood when implemented in a suitable environment. The following description is an embodiment of the claims of the present invention.
In the description of the present invention, it is to be understood that the terms "front", "back", "left", "right", "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Example 1
Fig. 1 is an explanatory view of a body of a tool for disassembling a motor coupling.
The structure of the main body 1 will be explained below.
The tool for disassembling the motor coupling comprises a body 1 and a jack. As shown in fig. 1, the body 1 includes a first barrier 11, a second barrier 12, and a connecting portion.
The first baffle 11 and the second baffle 12 are circular steel plates parallel to each other and having the same size.
The connecting portion includes a first connecting bar 131, a second connecting bar 132 and a third connecting bar 133, and is welded at the side edges of the first barrier 11 and the second barrier 12, and extends in a direction perpendicular to the first barrier 11 and the second barrier 12, and the first barrier 11 and the second barrier 12 are spaced apart from each other.
Fig. 2 is an explanatory view of a body of a tool for removing a motor coupling, as viewed from a direction a.
As shown in FIG. 2, the first baffle 11 has a U-shaped notch 111, the U-shaped notch 111 is symmetrical and has two parallel sides, and the ends form a semicircle, and the center O of the semicircle coincides with the center O' of the first baffle 11.
The first connecting strip 131 and the second connecting strip 132 are symmetrical about the symmetry axis L of the U-shaped notch 111 and are located at two sides of the U-shaped notch 111, and the third connecting strip 133 is located on the symmetry axis L of the U-shaped notch 111 and is located at the back of the U-shaped notch.
The first connecting strip, the second connecting strip and the third connecting strip of this embodiment evenly distribute, and the atress is equallyd divide, so the connecting strip can bear bigger pulling force, and the body is durable more durable.
Fig. 3 is an explanatory view of the shapes of the coupling and the body.
As shown in fig. 3, the coupling is divided into a flange portion 31 and a boss portion 32, and the flange portion 31 has an outer diameter larger than that of the boss portion 32.
The boss portion 32 of the coupling can pass through the U-shaped notch 111, but the flange portion 31 cannot. That is, the distance between the two parallel sides of the U-shaped notch 111 is greater than the outer diameter of the coupling boss portion 32 and less than the outer diameter of the coupling flange portion 31.
A space through which the boss portion 32 of the coupling passes, that is, an interval between the first connection bar 131 and the second connection bar 132 is formed at the connection portion to be larger than an outer diameter of the flange portion 31 of the coupling.
FIG. 4 is an explanatory view of placing a tool for removing the motor coupling on the coupling; fig. 5 is an explanatory view of separating the motor shaft from the coupling using a tool for detaching the motor coupling.
The following describes a method of using the tool for removing the motor coupling with reference to fig. 4 and 5.
As shown in fig. 4, the boss portion 32 of the coupling is inserted into the U-shaped notch 111, and the flange portion 31 of the coupling is attached to the first baffle.
The user places jack 2 between motor shaft 4 and second baffle 12, and the base of jack 2 and second baffle 12 butt, the ejector pin of jack 2 is towards the centre of a circle of the U type breach 111 of first baffle 11, aims at motor shaft 4 in the shaft coupling. After the jack 2 is started, the jack 2 can be supported between the motor rotating shaft 4 and the second baffle 12 by friction force.
As shown in fig. 5, the jack 2 applies a force in the x direction shown in the drawing to the motor shaft 4 to separate the motor shaft 4 from the coupling 3. Before the process, the coupler 3 can be heated at high temperature, so that the coupler is not loosened with the motor rotating shaft after thermal expansion, and the separation of the motor rotating shaft and the coupler is facilitated.
The utility model discloses simple structure, convenient to use. Compared with the existing disc-type disassembling tool, the time for installing the bolt is saved because the bolt for fixing does not exist. The connecting strip is fixedly connected with the first sample plate and the second baffle, can bear more pulling force compared with the screw rod, and avoids the jack from breaking the bolt.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims.
In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
In this embodiment, the radius of the first shutter 11 and the second shutter 12 is 220mm and the thickness is 50mm, and the radius of the semicircular portion of the u-shaped notch 111 is 95cm. The first connecting bar 131, the second connecting bar 132 and the third connecting bar 133 are made of square steel. The embodiment is suitable for the coupler of the medium-sized motor. In practical cases, the model of the coupler has no specific national standard, and the sizes of the first baffle plate 11, the second baffle plate 12, the connecting portion and the U-shaped notch 111 can be changed according to the outer diameter of the coupler.
In actual production, the first baffle, the second baffle and the connecting portion may be cast as a whole, or other fixed connection modes may be adopted, so that the body 1 can bear the tensile force along the extending direction of the connecting strip as a standard. The body in this embodiment is capable of withstanding a pull force of 100 kilograms). Before the jack is started, a copper bar or other material gasket can be padded between the jack 2 and the motor rotating shaft 4 to prevent the jack 2 from wearing the rotating shaft. The jack 2 in this embodiment is a hydraulic jack. The body 1 can be used on a lifting platform vehicle with pulleys.
Claims (5)
1. The tool for disassembling the motor coupling is characterized by comprising a body (1) and a jack (2),
the body (1) comprises a first baffle (11), a second baffle (12) and a connecting part,
the first baffle plate (11) and the second baffle plate (12) are parallel and keep a distance,
the first baffle (11) is provided with a U-shaped notch (111) for the shaft sleeve part (32) of the coupler to enter,
the connecting part is fixedly connected with the first baffle (11) and the second baffle (12), a space for the flange part (31) of the coupler to pass through is formed on the connecting part,
the base of the jack (2) is abutted against the second baffle (12) and transversely movably mounted between the first baffle (11) and the second baffle (12), and the ejector rod of the jack (2) faces towards the inside of the U-shaped notch (111) of the first baffle (11).
2. Tool for dismounting a motor coupling according to claim 1, characterized in that said first (11) and second (12) baffles are circular plates, of equal size, parallel to each other,
the tail end of the U-shaped notch (111) forms a semicircle, the circle center of the semicircle is overlapped with the circle center of the first baffle (11), and the ejector rod of the jack (2) faces the circle center at the tail end of the U-shaped notch (111).
3. A tool for dismounting a motor coupling according to claim 2, characterized in that said connecting portion comprises a plurality of connecting strips, said connecting strips being fixedly connected to the edges of said first and second baffles (11, 12).
4. Tool for dismounting a motor coupling according to claim 2, characterized in that the connection portion comprises a first connection bar (131), a second connection bar (132) and a third connection bar (133),
the U-shaped notch is symmetrical in shape, the first connecting strip (131) and the second connecting strip (132) are symmetrical about a symmetry axis (L) of the U-shaped notch (111) and are arranged on two sides of the U-shaped notch (111), the interval between the first connecting strip (131) and the second connecting strip (132) is larger than the outer diameter of the flange part (31) of the coupler,
the third connecting strip (133) is arranged on the symmetry axis (L) of the U-shaped notch (111) and is arranged on the back of the U-shaped notch (111).
5. A tool for dismounting a motor coupling according to claim 3 or 4, characterized in that the individual connecting strips are evenly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222642055.5U CN218428123U (en) | 2022-10-09 | 2022-10-09 | Tool for disassembling motor coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222642055.5U CN218428123U (en) | 2022-10-09 | 2022-10-09 | Tool for disassembling motor coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218428123U true CN218428123U (en) | 2023-02-03 |
Family
ID=85085677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222642055.5U Active CN218428123U (en) | 2022-10-09 | 2022-10-09 | Tool for disassembling motor coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218428123U (en) |
-
2022
- 2022-10-09 CN CN202222642055.5U patent/CN218428123U/en active Active
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