CN217642080U - Can dismantle excitation system collecting ring device of changing poles - Google Patents
Can dismantle excitation system collecting ring device of changing poles Download PDFInfo
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- CN217642080U CN217642080U CN202220904398.1U CN202220904398U CN217642080U CN 217642080 U CN217642080 U CN 217642080U CN 202220904398 U CN202220904398 U CN 202220904398U CN 217642080 U CN217642080 U CN 217642080U
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- excitation system
- collecting ring
- pole changing
- pole
- outer side
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Abstract
The utility model discloses a detachable excitation system collecting ring pole changing device, which comprises a pole changing assembly, a pole changing plate and a cable, wherein the pole changing assembly comprises a collecting ring body, the pole changing plate is arranged at the top of the collecting ring body, and the cable is arranged at the top of the pole changing plate; and the fixing assembly comprises a fixing bolt arranged in the pole changing plate, a nut arranged on the outer side of the fixing bolt and a gasket arranged on the upper part of the nut. Device the utility model discloses a simple structure can not destroy original structure on a large scale, and the mounted position is in the generator fan housing, and the space is abundant, simple to operate, and the implementation of being convenient for has reached the even purpose of anode and cathode wear of collecting ring.
Description
Technical Field
The utility model relates to a power station technical field, especially a can dismantle excitation system collecting ring pole changing device.
Background
After the generator set of the hydropower station is put into operation, if the polarity of the anode and the cathode of the collector ring of the excitation system is periodically switched, the regularity and the abrasion of the collector ring can be relatively uniform, the service life of the collector ring is prolonged, and the safe operation of the generator set is ensured. Due to objective reasons such as limited length of a cable on site and the like, polarity of the collecting ring is changed and inconvenient, the collecting ring and the carbon brush are not abraded uniformly due to years of operation, groove marks are generated on the surfaces of the collecting ring and the carbon brush when the collecting ring and the carbon brush are abraded seriously, gaps are formed between the carbon brush and the collecting ring, the contact area is reduced, the collecting ring and the carbon brush are ignited, the operation temperature is increased, and the operation safety of a unit is endangered.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or the problems existing in the prior art detachable excitation system slip ring pole changing device.
Therefore, the utility model aims to solve the problem of how to solve because of objective reasons such as on-the-spot cable length limitation, collecting ring polarity switching and inconvenient, the operation of many years causes collecting ring, carbon brush wearing and tearing inhomogeneous, can cause collecting ring, carbon brush surface to produce the ditch mark when wearing and tearing are serious, closes at the carbon brush and forms the clearance between collecting ring, reduce area of contact, causes collecting ring, carbon brush to strike sparks, and operating temperature risees, endangers the problem of unit operation safety.
In order to solve the technical problem, the utility model provides a following technical scheme: a detachable excitation system collecting ring pole changing device comprises a pole changing assembly, a pole changing plate and a cable, wherein the pole changing assembly comprises a collecting ring body, the pole changing plate is arranged on the top of the collecting ring body, and the cable is arranged on the top of the pole changing plate; and the fixing assembly comprises a fixing bolt arranged in the pole changing plate, a nut arranged on the outer side of the fixing bolt and a gasket arranged on the upper part of the nut.
As a can dismantle excitation system collecting ring pole changing device's an optimal selection scheme, wherein: the collecting ring body comprises an insulating baffle arranged at the top and a top plate arranged at the top of the insulating baffle.
As a can dismantle excitation system collecting ring pole changing device's an optimal selection scheme, wherein: the collecting ring body comprises a fixing block arranged on the outer side of the insulating baffle and a fastening bolt arranged inside the fixing block.
As a can dismantle excitation system collecting ring pole changing device's an optimal selection scheme, wherein: the fixed block comprises an anti-skid pad arranged on one side.
As a can dismantle excitation system collecting ring pole changing device's an preferred scheme, wherein: the insulating baffle is including setting up in the stationary blade in the outside to and set up in the screw of stationary blade inside.
As a can dismantle excitation system collecting ring pole changing device's an preferred scheme, wherein: the cable is including setting up in the cable joint of one end to and set up in the inside screw rod of cable joint.
As a can dismantle excitation system collecting ring pole changing device's an preferred scheme, wherein: the screw rod comprises a gasket arranged on the outer side.
As a can dismantle excitation system collecting ring pole changing device's an optimal selection scheme, wherein: the fixing bolt comprises a fastening pad arranged on the outer side.
As a can dismantle excitation system collecting ring pole changing device's an optimal selection scheme, wherein: the fixing bolt further comprises an elastic washer arranged on the outer side, and the elastic washer is located on the upper portion of the fastening pad.
As a can dismantle excitation system collecting ring pole changing device's an optimal selection scheme, wherein: the fastening bolt comprises a rubber ring arranged on the outer side, and the rubber ring is clamped with the fixing block.
The utility model discloses beneficial effect does: the utility model discloses a simple structure can not destroy original structure on a large scale, and the mounted position is in the generator fan housing, and the space is abundant, simple to operate, and the implementation of being convenient for has reached the even purpose of positive negative pole wearing and tearing of collecting ring.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a block diagram of a removable excitation system slip ring pole changer.
Fig. 2 is a connection structure diagram of a collecting ring body and a pole changing plate of the detachable excitation system collecting ring pole changing device.
Fig. 3 is a connection structure diagram of an insulation baffle and a top plate of the detachable excitation system collecting ring pole changing device.
Fig. 4 is a fixed block composition diagram of a removable excitation system slip ring pole changing device.
Fig. 5 is a structure diagram of a fixing piece of the detachable excitation system collecting ring pole changing device.
Fig. 6 is a structure diagram of a cable joint of a detachable excitation system collecting ring pole changing device.
Fig. 7 is a structure diagram of a fixed component of a detachable excitation system collecting ring pole changing device.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the present invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, in order to provide a first embodiment of the present invention, the embodiment provides a detachable excitation system slip ring pole changing device, which includes a pole changing assembly 100 and a fixing assembly 200.
Specifically, the pole changing assembly 100 includes a slip ring body 101, a pole changing plate 102 disposed on top of the slip ring body 101, and a cable 103 disposed on top of the pole changing plate 102. The top of the collecting ring body 101 is clamped with a pole changing plate 102, and the top of the pole changing plate 102 is connected with a cable 103.
Preferably, the fixing assembly 200 includes a fixing bolt 201 disposed inside the commutation plate 102, a nut 202 disposed outside the fixing bolt 201, and a gasket 203 disposed on an upper portion of the nut 202. The fixing bolt 201 penetrates through the pole changing plate 102 and the current collecting ring body 101, the lower portion of the fixing bolt 201 is connected with a nut 202 in a threaded mode, and a gasket 203 is clamped between the nut 202 and the current collecting ring body 101.
When using, the original excitation cable joint position in generator fan housing is installed to the device of changing the pole, and the primary structure is two and converges and trades polar plate 102, trades polar plate 102 and is "-" form, the reasonable connection screw of two design quantity, one side is connected with cable 103, and the opposite side is connected with collecting ring body 101, when needs carry out collecting ring polarity and switch over, only need shut down and demolish and trade polar plate 102 both sides connecting bolt, will trade polar plate 102 and can realize collecting ring polarity and switch over after turning over, through the above-mentioned scheme, the utility model discloses reached the even purpose of collecting ring positive negative pole wearing and tearing.
Example 2
Referring to fig. 1 to 5, the present embodiment is based on the previous embodiment, which is a second embodiment of the present invention.
Specifically, the slip ring body 101 includes an insulating barrier 101c disposed on the top, and a top plate 101d disposed on the top of the insulating barrier 101 c. The top of the collecting ring body 101 is fixedly connected with an insulating baffle 101c, the top of the insulating baffle 101c is fixedly connected with a top plate 101d, and through the arrangement of the insulating baffle 101c and the top plate 101d, the anode and the cathode are subjected to partition insulation treatment, so that accidents caused by the fact that the anode and the cathode are mistakenly lapped together are prevented.
Preferably, the slip ring body 101 includes a fixing block 101a disposed outside the insulating barrier 101c, and a fastening bolt 101b disposed inside the fixing block 101 a. Insulating baffle 101c and fixed block 101a pass through fastening bolt 101b fixed connection, and fixed block 101a is fixed at the top of collecting ring body 101, through setting up fixed block 101a and fastening bolt 101b, can strengthen insulating baffle 101c, improves insulating baffle 101 c's firmness.
Preferably, the fixing block 101a includes a non-slip pad 101a-1 disposed at one side. The outer side of the fixing block 101a is fixedly connected with a non-slip mat 101a-1, and the fixing effect of the fixing block 101a on the insulating baffle 101c can be improved by arranging the non-slip mat 101a-1.
Preferably, the insulation barrier 101c includes a fixing piece 101c-1 disposed at an outer side, and a screw 101c-2 disposed inside the fixing piece 101 c-1. The insulating barrier 101c and the top plate 101d are fixedly connected to the fixing piece 101c-1 by screws 101c-2, and the connection strength between the insulating barrier 101c and the top plate 101d can be enhanced by providing the fixing piece 101 c-1.
When in use, the pole changing device is arranged at the original exciting cable joint position in the wind cover of the generator, the main structure is two converging pole changing plates 102, the pole changing plates 102 are shaped like Chinese character 'jin', the connecting screw holes with reasonable design quantity at the two ends are arranged, one side is connected with the cable 103, the other side is connected with the collecting ring body 101, when the polarity of the collecting ring is required to be switched, only the machine is stopped to remove the connecting bolts at the two sides of the pole changing plates 102, the polarity of the collecting ring can be switched after the pole changing plates 102 are turned over, through the scheme, the utility model achieves the purpose of uniform abrasion of the positive pole and the negative pole of the collecting ring, the top of the collecting ring body 101 is fixedly connected with the insulating baffle 101c, the top of the insulating baffle 101c is fixedly connected with the top plate 101d, and through the arrangement of the insulating baffle 101c and the top plate 101d, the insulating baffle 101c and the fixed block 101a are fixedly connected through a fastening bolt 101b, the fixed block 101a is fixed at the top of the collecting ring body 101, the insulating baffle 101c can be reinforced by arranging the fixed block 101a and the fastening bolt 101b, the firmness of the insulating baffle 101c is improved, the outer side of the fixed block 101a is fixedly connected with an anti-slip pad 101a-1, the fixing effect of the fixed block 101a on the insulating baffle 101c can be improved by arranging the anti-slip pad 101a-1, the insulating baffle 101c, the top plate 101d and the fixed plate 101c-1 are fixedly connected through screws 101c-2, and the connecting strength between the insulating baffle 101c and the top plate 101d can be enhanced by arranging the fixed plate 101 c-1.
Example 3
Referring to fig. 1 to 7, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the cable 103 includes a cable connector 103a disposed at one end, and a screw 103b disposed inside the cable connector 103 a. One end of the cable 103 is fixedly connected with a cable connector 103a, and the cable connector 103a is fixedly connected with the pole changing plate 102 through a screw 103b.
Preferably, the screw 103b includes a washer 103b-1 disposed on the outside. The washer 103b-1 is sleeved outside the screw 103b, and the washer 103b-1 is arranged, so that the fixing effect of the screw 103b on the cable connector 103a can be improved.
Preferably, the fixing bolt 201 includes a fastening pad 201a provided at the outer side. The outer side of the fixing bolt 201 is sleeved with a fastening pad 201a.
Preferably, the fixing bolt 201 further includes an elastic washer 201b disposed at an outer side, and the elastic washer 201b is located at an upper portion of the fastening pad 201a. The outer side of the fixing bolt 201 is sleeved with an elastic washer 201b, and the fixing effect of the fixing bolt 201 on the commutation plate 102 and the current collecting ring body 101 can be enhanced by arranging a fastening pad 201a and the elastic washer 201 b.
Preferably, the fastening bolt 101b comprises a rubber ring 101b-1 arranged on the outer side, and the rubber ring 101b-1 is clamped with the fixing block 101 a. The outer side of the fastening bolt 101b is sleeved with a rubber ring 101b-1, and the fixing effect of the fastening bolt 101b can be improved by arranging the rubber ring 101 b-1.
When in use, the pole changing device is arranged at the joint position of an original excitation cable in a wind cover of a generator, the main structure is two confluence pole changing plates 102, the pole changing plates 102 are shaped like Chinese character 'Goji', the connecting screw holes with reasonable design quantity at the two ends are arranged, one side is connected with the cable 103, the other side is connected with the collecting ring body 101, when the polarity of the collecting ring needs to be switched, only the machine is stopped to remove the connecting bolts at the two sides of the pole changing plates 102, the polarity of the collecting ring can be switched after the pole changing plates 102 are turned over, through the scheme, the utility model achieves the purpose of uniform abrasion of the positive pole and the negative pole of the collecting ring, the top of the collecting ring body 101 is fixedly connected with an insulating baffle 101c, the top of the insulating baffle 101c is fixedly connected with a top plate 101d, through the arrangement of the insulating baffle 101c and the top plate 101d, the anode and the cathode are separated and insulated, so as to prevent the accident caused by mistake, the insulating baffle 101c and the fixed block 101a are fixedly connected through a fastening bolt 101b, the fixed block 101a is fixed on the top of the collecting ring body 101, the insulating baffle 101c can be reinforced by arranging the fixed block 101a and the fastening bolt 101b, the firmness of the insulating baffle 101c is improved, the outer side of the fixed block 101a is fixedly connected with an anti-slip pad 101a-1, the fixing effect of the fixed block 101a on the insulating baffle 101c can be improved by arranging the anti-slip pad 101a-1, the insulating baffle 101c, the top plate 101d and the fixed plate 101c-1 are fixedly connected through a screw 101c-2, the connecting strength between the insulating baffle 101c and the top plate 101d can be enhanced by arranging the fixed plate 101c-1, one end of the cable 103 is fixedly connected with a cable connector 103a, the cable connector 103a is fixedly connected with the pole changing plate 102 through a screw 103b, a washer 103b-1 is sleeved on the outer side of the screw 103b, and a washer 103b-1 is arranged, the fixing effect of the screw 103b on the cable connector 103a can be improved, the outer side of the fixing bolt 201 is sleeved with the elastic washer 201b, the fixing effect of the fixing bolt 201 on the pole changing plate 102 and the current collecting ring body 101 can be enhanced by arranging the fastening pad 201a and the elastic washer 201b, and the conductivity of the pole changing plate 102 can be improved by silver plating on the outer side of the pole changing plate 102.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a can dismantle excitation system collecting ring pole changing device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the pole changing assembly (100) comprises a collecting ring body (101), a pole changing plate (102) arranged at the top of the collecting ring body (101), and a cable (103) arranged at the top of the pole changing plate (102); and the number of the first and second groups,
the fixing assembly (200) comprises a fixing bolt (201) arranged inside the pole changing plate (102), a nut (202) arranged on the outer side of the fixing bolt (201), and a gasket (203) arranged on the upper portion of the nut (202).
2. The removable excitation system slip ring pole change device of claim 1, wherein: the collector ring body (101) comprises an insulating baffle (101 c) arranged at the top and a top plate (101 d) arranged at the top of the insulating baffle (101 c).
3. The removable excitation system slip ring pole change device of claim 2, wherein: the collecting ring body (101) comprises a fixing block (101 a) arranged on the outer side of the insulating baffle (101 c) and a fastening bolt (101 b) arranged inside the fixing block (101 a).
4. A removable excitation system slip ring pole change device as claimed in claim 3, wherein: the fixing block (101 a) comprises a non-slip mat (101 a-1) arranged on one side.
5. The removable excitation system slip ring pole changer of claim 2, wherein: the insulation baffle (101 c) comprises a fixing piece (101 c-1) arranged on the outer side and a screw (101 c-2) arranged inside the fixing piece (101 c-1).
6. The removable excitation system slip ring pole change device of claim 1, wherein: the cable (103) comprises a cable connector (103 a) arranged at one end and a screw rod (103 b) arranged inside the cable connector (103 a).
7. The removable excitation system slip ring pole change device of claim 6, wherein: the screw (103 b) comprises a gasket (103 b-1) arranged on the outer side.
8. The removable excitation system slip ring pole change device of claim 1, wherein: the fixing bolt (201) includes a fastening pad (201 a) disposed at an outer side.
9. The removable excitation system slip ring pole change device of claim 8, wherein: the fixing bolt (201) further comprises an elastic washer (201 b) arranged on the outer side, and the elastic washer (201 b) is located on the upper portion of the fastening pad (201 a).
10. The removable excitation system slip ring pole changer of claim 3, wherein: the fastening bolt (101 b) comprises a rubber ring (101 b-1) arranged on the outer side, and the rubber ring (101 b-1) is connected with the fixing block (101 a) in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220904398.1U CN217642080U (en) | 2022-04-19 | 2022-04-19 | Can dismantle excitation system collecting ring device of changing poles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220904398.1U CN217642080U (en) | 2022-04-19 | 2022-04-19 | Can dismantle excitation system collecting ring device of changing poles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217642080U true CN217642080U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220904398.1U Active CN217642080U (en) | 2022-04-19 | 2022-04-19 | Can dismantle excitation system collecting ring device of changing poles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217642080U (en) |
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2022
- 2022-04-19 CN CN202220904398.1U patent/CN217642080U/en active Active
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