CN216707375U - Tensioning tool and rotor shell dismounting device - Google Patents
Tensioning tool and rotor shell dismounting device Download PDFInfo
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- CN216707375U CN216707375U CN202123041215.2U CN202123041215U CN216707375U CN 216707375 U CN216707375 U CN 216707375U CN 202123041215 U CN202123041215 U CN 202123041215U CN 216707375 U CN216707375 U CN 216707375U
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Abstract
The utility model provides a tensioning tool and a rotor shell dismounting device, wherein the tensioning tool comprises: the device comprises a fixed base, a jacking bolt and a contact screw; the fixing base is provided with a jacking bolt hole and a plurality of contact screw holes, and the plurality of contact screw holes are circumferentially distributed around the jacking bolt hole; the contact screw is connected with a nut; the jacking bolt penetrates through the jacking bolt hole, and the contact screw penetrates through the contact screw hole. Rotor shell dismounting device includes foretell taut frock. The utility model solves the problem that the generator rotor coil is easy to damage when the generator rotor shell is disassembled in the prior art. The utility model can rapidly and conveniently disassemble the generator rotor shell of the small generator set and protect the rotor coil.
Description
Technical Field
The utility model relates to the technical field of motor rotor shell dismounting, in particular to a tensioning tool and a rotor shell dismounting device.
Background
The generator is mechanical equipment for converting energy in other forms into electric energy, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines, and converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, and then the mechanical energy is converted into electric energy by the generator. The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life.
At present, the generator has many forms, but the working principle of the generator is based on the law of electromagnetic induction and the law of electromagnetic force. The general principle of its construction is therefore: appropriate magnetic conductive and electric conductive materials are used to form a magnetic circuit and a circuit which mutually perform electromagnetic induction so as to generate electromagnetic power and achieve the purpose of energy conversion. Based on this, the rotor and the stator become indispensable components of the generator. However, since the rotor is composed of the main shaft and the coil, the generator rotor coil is easily damaged when the generator rotor housing is detached, and the rotor coil is damaged.
Aiming at the problem that the generator rotor coil is easy to damage when the generator rotor shell is disassembled in the prior art, an effective solution is not provided.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a tensioning tool and a rotor dismounting device, so as to solve the problem that a generator rotor coil is easily damaged when a generator rotor shell is dismounted in the prior art.
Therefore, the utility model provides the following technical scheme:
the utility model provides a tensioning tool in a first aspect, which comprises: the device comprises a fixed base, a jacking bolt and a contact screw;
the fixing base is provided with a jacking bolt hole and a plurality of contact screw holes, and the plurality of contact screw holes are circumferentially distributed around the jacking bolt hole;
the contact screw is connected with a nut;
the jacking bolt penetrates through the jacking bolt hole, and the contact screw penetrates through the contact screw hole.
Optionally, the contact screw comprises an inner screw and an outer screw;
a hollow cavity is formed in the outer screw;
the inner screw is arranged in the hollow cavity of the outer screw; the tail part of the inner screw extends out of the outer screw, and the head part of the inner screw is aligned with the head part of the outer screw.
Optionally, the inner screw comprises a first screw, a second screw, a compression spring and an adjusting rod;
two ends of the compression spring are respectively connected with the first screw rod and the second screw rod;
one end of the second screw rod, which is far away from the compression spring, is connected with the adjusting rod;
the end of the first screw rod, which is far away from the compression spring, is the head part of the inner screw, and the end of the adjusting rod, which is far away from the second screw rod, is the tail part of the inner screw.
Optionally, the adjusting rod is sleeved with a protective contact.
Optionally, the end of the adjusting rod connected with the protection contact is spherical.
Optionally, the tail part of the puller bolt is an arc-shaped bulge.
In a second aspect of the present invention, there is provided a rotor case dismounting device, comprising: the tensioning tool of any one of the above.
The technical scheme of the utility model has the following advantages:
the utility model provides a tensioning tool and rotor shell dismounting device, which solves the problem that a generator rotor coil is easy to damage when a generator rotor shell is dismounted in the prior art. The generator rotor shell of the small generator set can be rapidly and conveniently detached by the embodiment, and the rotor coil is protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a tensioning tool according to an embodiment of the utility model;
FIG. 2 is a schematic structural diagram of a fixing base according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a contact screw according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present disclosure, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the embodiment, a tensioning tool is provided, which can be used for disassembling a generator rotor shell of a small generator set, fig. 1 is a structural schematic diagram of the tensioning tool according to the embodiment, and fig. 2 is a structural schematic diagram of a fixing base according to the embodiment. As shown in fig. 1 and 2, the tightening tool includes: the fixed base 1, the jacking bolt 2 and the contact screw 3. Be provided with tight bolt hole 5 in top and a plurality of contact screw hole 6 on the unable adjustment base 1, the tight bolt hole 5 in top sets up at the unable adjustment base center, and a plurality of contact screw holes 6 are arranged around the tight bolt hole 5 circumference in top. Specifically, the jacking bolt hole 5 is aligned with the rotor spindle, and the plurality of contact bolt holes 6 are respectively aligned with the bolt holes in the rotor shell, so that the tensioning tool can work normally.
A nut 4 is attached to the contact screw 3. The jacking bolt 2 penetrates through the jacking bolt hole 5, and the contact screw 3 penetrates through the contact screw hole 6. In particular, the contact screw 3 can be fixed by means of the nut 4, so that the contact screw 3 cannot penetrate further into the generator, avoiding damage to the rotor. Can be with taut frock and the inseparable combination of rotor case through the effect of contact screw 3, and then tightly the rotor spindle through the top of 2 jack bolts, slowly pull down rotor case.
When a rotor shell of a generator of a small generator set is mounted or dismounted in the prior art, the rotor is easily damaged. In this embodiment, a tensioning tool is designed to be different from the prior art, and the rotor shell can be quickly and safely detached. This embodiment has solved among the prior art easy damage generator rotor coil's when dismantling generator rotor shell problem, prevents to damage the rotor when dismantling rotor shell, can effectual protection rotor coil.
To illustrate the contact screw 3, in some alternative embodiments, as shown in fig. 3, the contact screw 3 includes an inner screw 8 and an outer screw 7. The inner part of the outer screw 7 is provided with a hollow cavity. The inner screw 8 is arranged in the hollow cavity of the outer screw 7; the tail part of the inner screw 8 extends out of the outer screw 7, and the head part of the inner screw 8 is aligned with the head part of the outer screw 7. Specifically, when the contact screw 3 is fixed to the rotor case, the outer screw 7 is screwed into the screw hole of the rotor case, and the inner screw 8 is also inserted into the rotor case along with the outer screw 7, and after the inner screw 8 contacts the rotor, the head of the inner screw 8 can be pushed out of the outer screw 7 along with the screwing of the outer screw 7 into the inner screw 8.
To illustrate the inner screw 8, in some alternative embodiments, the inner screw 8 includes a first screw 9, a second screw 10, a compression spring 11, and an adjustment rod 12. The two ends of the compression spring 11 are respectively connected with the first screw rod 9 and the second screw rod 10. Specifically, the compression spring 11 is used for connecting the first screw 9 and the second screw 10, so that the first screw 9 or the second screw 10 can have a damping effect when being subjected to an external force, and further the rotor coil is protected.
The end of the second threaded rod 10 remote from the compression spring 11 is connected to an adjusting rod 12. The end of the first screw 9 away from the compression spring 11 is the head of the inner screw 8, and the end of the adjusting rod 12 away from the second screw 10 is the tail of the inner screw 8. Specifically, the adjusting rod 12 may be integrally formed with the second screw 10, or may be connected by a method such as mortise and tenon. It should be understood by those skilled in the art that the connection between the adjustment rod 12 and the second threaded rod 10 is not intended to limit the present invention, and other connection means are within the scope of the present invention. For example by means of a screw connection. In addition, the surface of one end of the adjusting rod 12 close to the rotor is smooth, so that the rotor coil is prevented from being damaged.
To illustrate the adjustment rod 12, in some alternative embodiments, the adjustment rod 12 is sleeved with a shield contact 13. The protective contact 13 is made of a material that can prevent damage to the rotor coil.
To further illustrate the adjustment rod 12, in some alternative embodiments, the end of the adjustment rod 12 that connects to the shield contact 13 is spherical. Specifically, designing the end of the adjusting lever 12 connected to the shield contact 13 to be spherical facilitates connection to the shield contact 13, and also prevents the adjusting lever 12 from damaging the shield contact 13.
To illustrate the jacking bolt 2, in some alternative embodiments, the tail of the jacking bolt 2 is an arc-shaped protrusion. Specifically, the tail of the puller bolt 2 is an arc-shaped bulge, so that the rotor spindle can be prevented from being damaged when the rotor spindle is pulled tightly through the puller bolt 2. In addition, one part of the arc-shaped bulge is a hemisphere, the other part of the arc-shaped bulge is a circular truncated cone, and the upper bottom of the circular truncated cone is connected with the plane of the hemisphere or integrally formed. It should be understood by those skilled in the art that the configuration of the arcuate projections is not intended to limit the present invention and that other configurations of the arcuate projections are within the scope of the present invention.
To illustrate the use of the tightening tool, in one particular embodiment, the four contact screws 3 on the tightening tool are aligned with the threaded holes on the rotor housing and the four contact screws 3 are screwed into the rotor housing until the heads of the inner screws 8 of the contact screws 3 are ejected, the outer screws 7 of the contact screws 3 are rotated in reverse until the heads of the inner screws 8 are flush with the heads of the outer screws 7, and the nuts 4 on the contact screws 3 are tightened to secure the contact screws 3. And rotating the puller bolt 2 until the tail part of the puller bolt 2 tightly pushes the rotor spindle, rotating the puller bolt 2 at a constant speed, and dismantling the rotor shell until the rotor shell is completely separated. In addition, because the magnet is arranged on the inner wall of the rotor shell, the rotor shell can be stably detached.
The present embodiment also provides a rotor detaching device, including: tensioning tooling according to any of the above embodiments. The rotor shell can be effectively and quickly detached through the rotor shell detaching device, and damage to the rotor coil is prevented.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope defined by the appended claims.
Claims (7)
1. The utility model provides a taut frock which characterized in that includes: the device comprises a fixed base, a jacking bolt and a contact screw;
the fixing base is provided with a jacking bolt hole and a plurality of contact screw holes, and the plurality of contact screw holes are circumferentially distributed around the jacking bolt hole;
the contact screw is connected with a nut;
the jacking bolt penetrates through the jacking bolt hole, and the contact screw penetrates through the contact screw hole.
2. The tensioning tool according to claim 1, wherein the contact screw comprises an inner screw and an outer screw;
a hollow cavity is formed in the outer screw;
the inner screw is arranged in the hollow cavity of the outer screw; the tail part of the inner screw extends out of the outer screw, and the head part of the inner screw is aligned with the head part of the outer screw.
3. The tensioning tool according to claim 2, wherein the inner screw comprises a first screw, a second screw, a compression spring and an adjusting rod;
two ends of the compression spring are respectively connected with the first screw rod and the second screw rod;
one end of the second screw rod, which is far away from the compression spring, is connected with the adjusting rod;
the end of the first screw rod, which is far away from the compression spring, is the head part of the inner screw, and the end of the adjusting rod, which is far away from the second screw rod, is the tail part of the inner screw.
4. The tightening tool according to claim 3, wherein the adjusting rod is sleeved with a protective contact.
5. The tightening tool according to claim 4, wherein one end of the adjusting rod connected with the protective contact is spherical.
6. The tightening tool according to claim 1, wherein the tail of the puller bolt is an arc-shaped bulge.
7. A rotor case removal device, comprising: the tensioning tool according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123041215.2U CN216707375U (en) | 2021-12-02 | 2021-12-02 | Tensioning tool and rotor shell dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123041215.2U CN216707375U (en) | 2021-12-02 | 2021-12-02 | Tensioning tool and rotor shell dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216707375U true CN216707375U (en) | 2022-06-10 |
Family
ID=81882861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123041215.2U Active CN216707375U (en) | 2021-12-02 | 2021-12-02 | Tensioning tool and rotor shell dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216707375U (en) |
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2021
- 2021-12-02 CN CN202123041215.2U patent/CN216707375U/en active Active
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