CN212748097U - Generator bush temperature measurement resistor wire-removal-free tightening device - Google Patents
Generator bush temperature measurement resistor wire-removal-free tightening device Download PDFInfo
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- CN212748097U CN212748097U CN202021739743.8U CN202021739743U CN212748097U CN 212748097 U CN212748097 U CN 212748097U CN 202021739743 U CN202021739743 U CN 202021739743U CN 212748097 U CN212748097 U CN 212748097U
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- measuring resistor
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- insulating plastic
- bearing bush
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Abstract
The utility model discloses a tight device is turned round to no taking out stitches of generator axle bush temperature measurement resistance relates to generator equipment technical field. The device comprises an insulating plastic sleeve and a temperature measuring resistor, wherein a forward external thread is arranged on the outer side wall of the insulating plastic sleeve, a reverse internal thread is arranged on the inner side wall of the insulating plastic sleeve, a reverse external thread is arranged on the outer side wall of the temperature measuring resistor, and the forward external thread is matched with the forward internal thread on the inner side wall of the fixing hole in the bearing bush. When the temperature measuring resistor is dismounted, the double wrenches are adopted, one of the double wrenches is used for fixing the temperature measuring resistor, the other one of the double wrenches the insulating plastic sleeve, the forward thread and the reverse thread are synchronously unscrewed, and the temperature measuring resistor is quickly dismounted without dismounting the wire. After the check is finished, the insulating plastic sleeve is screwed into the bearing bush in advance, the temperature measuring resistor is placed into the insulating plastic sleeve, the temperature measuring resistor is fixed, the insulating plastic sleeve is screwed, the forward thread and the reverse thread are synchronously screwed, and the temperature measuring resistor is quickly fixed under the condition that the outgoing line is not twisted.
Description
Technical Field
The utility model relates to a generator equipment technical field, concretely relates to tight device is turned round to no taking out stitches of generator bush temperature measurement resistance.
Background
The temperature monitoring of the generator bearing bush is an important means for ensuring the safe operation of the unit, generally, a temperature measuring resistor is arranged on the bearing bush to detect the temperature of the bearing bush, and when the temperature of the bearing bush rises to exceed a threshold value in the operation process of the unit, the temperature protection of the bearing bush of the unit is started, and the unit is directly operated to trip and shut down. Therefore, in order to ensure the reliability of the temperature protection operation of the bearing bush, the temperature measuring resistor needs to be checked regularly to ensure the sensitivity thereof and the accuracy of the temperature measurement value.
The internal thread hole has been seted up on current axle bush, and for guaranteeing the ground insulation of axle bush, can install an insulating plastic cover earlier, insulating plastic cover lateral wall is provided with the external screw thread and passes through threaded connection with the axle bush, and the inside wall is provided with external screw thread looks adaptation on internal thread and the temperature measurement resistance lateral wall, and the screw thread here all is the syntropy screw thread. And after the installation is finished, welding the temperature measuring resistor lead with the signal receiving circuit lead. When the temperature measuring resistor is overhauled, the temperature measuring resistor needs to be screwed out of the checking device and then screwed in, the outgoing line of the temperature measuring resistor can be twisted, the situation of welding point fracture often occurs due to the short reserved quantity of the outgoing line, in order to avoid the situation, the outgoing line is cut off firstly in field operation, and the welding is carried out after the checking device finishes being fixed. The workload of the overhauling operation is greatly increased, 16-32 temperature measuring resistors are arranged on the generator, and the condition of wiring error is easy to occur due to too much disconnecting.
Therefore, in order to avoid the above situation, it is necessary to develop a device that can fasten the temperature measuring resistor without removing the wire.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tight device is turned round to no taking out stitches of generator axle bush temperature measurement resistance solves generator axle bush temperature measurement resistance and need take out stitches in the maintenance process and lead to work load to increase greatly and easily take place the problem of wiring mistake.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a tight device is turned round to generator axle bush temperature measurement resistance not taking out stitches which characterized in that: including insulating plastic cover and temperature measurement resistor, insulating plastic cover lateral wall is provided with forward external screw thread, and the inside wall is provided with reverse internal thread, and the temperature measurement resistor lateral wall is provided with reverse external screw thread, and the forward internal thread of fixed orifices internal wall suits on forward external screw thread and the axle bush, and reverse internal thread suits with reverse external screw thread.
The further technical scheme is that a wire fixing clamp is arranged on the bearing bush and clamps a lead-out wire of the temperature measuring resistor.
The further technical scheme is that the wire fixing clamp is composed of a support frame and wire fixing grooves, the bottom of the support frame is fixed on the bearing bush, and the wire fixing grooves are symmetrically arranged on two sides of the top of the support frame.
The technical scheme is that the line fixing groove is composed of an arc groove and a guide part, the guide part is oppositely arranged at two ends of the arc groove, and the guide part is a plane which is obliquely arranged.
The technical scheme is that a wire clamping clamp is fixed on the wire fixing clamp, a wire clamping groove matched with the wire fixing groove is formed in the wire clamping clamp, and guide parts are obliquely arranged at two ends of the wire clamping groove.
The further technical scheme is that a buckle extends downwards from the bottom of the wire clamping clamp, a flange extends outwards from the side wall of the support frame, and a clamping groove matched with the buckle is formed in the flange.
The working principle is as follows: when the temperature measuring resistor is dismounted, the double wrenches are adopted, one of the double wrenches is used for fixing the temperature measuring resistor, the other one of the double wrenches the insulating plastic sleeve, the forward thread and the reverse thread are synchronously unscrewed, and the temperature measuring resistor is quickly dismounted without dismounting the wire. After the check is finished, the insulating plastic sleeve is screwed into the bearing bush in advance, the temperature measuring resistor is placed into the insulating plastic sleeve, the temperature measuring resistor is fixed, the insulating plastic sleeve is screwed, the forward thread and the reverse thread are synchronously screwed, and the temperature measuring resistor is quickly fixed under the condition that the outgoing line is not twisted.
After the temperature measuring resistor is installed, a small section of the outgoing line close to the bearing bush is made into a U shape and clamped in the line fixing groove respectively, and then the outgoing line is clamped by the clamp, so that the joint of the outgoing line and the temperature measuring resistor cannot be pulled when the free end of the outgoing line is arranged, the temperature measuring resistor is prevented from being damaged due to repeated pulling, and the service life of the temperature measuring resistor is prolonged.
Compared with the prior art, the beneficial effects of the utility model are that: the temperature measuring resistor can be detached and installed under the conditions of no wire detachment and no wire twisting by arranging the threads in opposite directions on the insulating plastic sleeve, so that the temperature measuring resistor is convenient and quick; the direction of the outgoing line of the temperature measuring resistor is fixed through the wire fixing clamp, so that the connection part of the outgoing line and the temperature measuring resistor is prevented from being damaged, and the whole service life of the temperature measuring resistor is prolonged; the lead-out wire is further fastened by a clamp.
Drawings
Fig. 1 is an assembly diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of the middle wire fixing clip of the present invention.
Fig. 4 is a schematic structural view of the middle clamping clip of the present invention.
Fig. 5 is an assembly schematic diagram of the middle wire fixing clip and the wire clamping clip of the present invention.
In the figure: 1-an insulating plastic sleeve, 101-positive external threads, 102-reverse internal threads, 2-a temperature measuring resistor, 201-reverse external threads, 3-a bearing bush, 301-positive internal threads, 4-a wire fixing clamp, 401-a support frame, 402-a wire fixing groove, 403-an arc groove, 404-a guide part, 405-a clamping groove, 5-a wire clamping clamp, 501-a wire clamping groove and 502-a buckle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Fig. 1 and 2 show a tight device is turned round to no taking out stitches of generator axle bush temperature measuring resistor, including insulating plastic cover 1 and temperature measuring resistor 2, insulating plastic cover 1 lateral wall is provided with forward external screw thread 101, and the inside wall is provided with reverse internal thread 102, and temperature measuring resistor 2 lateral wall is provided with reverse external screw thread 201, and forward external screw thread 101 suits with the forward internal thread 301 of the downthehole lateral wall of fixed orifices on the axle bush 3.
The top of the temperature measuring resistor 2 is provided with an outgoing line which is welded with a lead of a generator control system. When the temperature measuring resistor 2 is dismounted, a double wrench is adopted, one of the double wrenches fixes the temperature measuring resistor 2, the other one unscrews the insulating plastic sleeve 1, the forward thread and the reverse thread are synchronously unscrewed, and the temperature measuring resistor 2 is quickly dismounted without dismounting the wire. After the calibration is finished, the insulating plastic sleeve 1 is screwed into the bearing bush 3 in advance, the temperature measuring resistor 2 is placed into the insulating plastic sleeve 1, the temperature measuring resistor 2 is fixed, the insulating plastic sleeve 1 is screwed, the forward thread and the reverse thread are synchronously screwed, and the temperature measuring resistor 2 is quickly fixed under the condition that the outgoing line is not twisted.
Example 2
In order to further optimize the technical scheme in embodiment 1, in this embodiment, a wire fixing clamp 4 is arranged on the bearing bush 3, and the wire fixing clamp 4 fastens the outgoing line of the temperature measuring resistor 2. As shown in fig. 3, the wire fixing clip 4 is composed of a support frame 401 and wire fixing grooves 402, the bottom of the support frame 401 is fixed on the bearing bush 3, and the wire fixing grooves 402 are symmetrically arranged on two sides of the top of the support frame 401. The wire fixing groove 402 is composed of an arc groove 403 and a guide portion 404, the guide portion 404 is oppositely disposed at both ends of the arc groove 403, and the guide portion 404 is a plane disposed obliquely.
The wire fixing clip 4 is fixed with a wire clamping clip 5, as shown in fig. 4, the wire clamping clip 5 is provided with a wire clamping groove 501 matched with the wire fixing groove 402, and two ends of the wire clamping groove 501 are obliquely provided with guide parts 404.
The bottom of the clamping clip 5 extends downwards to form a buckle 502, the side wall of the support frame 401 extends outwards to form a flange, and a clamping groove 405 matched with the buckle 502 is formed in the flange.
As shown in fig. 5, after the temperature measuring resistor 2 is installed, a small section of the outgoing line close to the bearing bush 3 is made into a U shape and is pressed and clamped in the line fixing groove 402 along the guide part 404, and then the outgoing line is clamped from top to bottom by the clamp 5, so that the connecting part of the outgoing line and the temperature measuring resistor 2 can not be dragged when the free end of the outgoing line is arranged, the damage of the temperature measuring resistor 2 caused by pulling for many times is avoided, and the service life of the temperature measuring resistor is prolonged.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More particularly, various variations and modifications are possible in the component parts and/or arrangements within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a tight device is turned round to generator axle bush temperature measurement resistance not taking out stitches which characterized in that: the temperature measuring device comprises an insulating plastic sleeve (1) and a temperature measuring resistor (2), wherein a forward external thread (101) is arranged on the outer side wall of the insulating plastic sleeve (1), a reverse internal thread (102) is arranged on the inner side wall of the insulating plastic sleeve, a reverse external thread (201) is arranged on the outer side wall of the temperature measuring resistor (2), the forward internal thread (301) of the inner side wall of a fixed hole on the forward external thread (101) and a bearing bush (3) is matched, and the reverse internal thread (102) is matched with the reverse external thread (201.
2. The generator bearing bush temperature measuring resistor wire-disconnecting-free screwing device as claimed in claim 1, wherein: the bearing bush (3) is provided with a wire fixing clamp (4), and the wire fixing clamp (4) fastens the outgoing line of the temperature measuring resistor (2).
3. The generator bearing bush temperature measuring resistor wire-disconnecting-free screwing device as claimed in claim 2, wherein: the wire fixing clamp (4) is composed of a support frame (401) and wire fixing grooves (402), the bottom of the support frame (401) is fixed on the bearing bush (3), and the wire fixing grooves (402) are symmetrically arranged on two sides of the top of the support frame (401).
4. The generator bearing bush temperature measuring resistor wire-disconnecting-free screwing device as claimed in claim 3, wherein: the wire fixing groove (402) is composed of an arc groove (403) and a guide part (404), the guide part (404) is oppositely arranged at two ends of the arc groove (403), and the guide part (404) is an obliquely arranged plane.
5. The generator bearing bush temperature measuring resistor wire-disconnecting-free screwing device as claimed in claim 3, wherein: the wire fixing clamp (4) is fixedly provided with a wire clamping clamp (5), the wire clamping clamp (5) is provided with a wire clamping groove (501) matched with the wire fixing groove (402), and two ends of the wire clamping groove (501) are obliquely provided with guide parts (404).
6. The generator bearing bush temperature measuring resistor wire-disconnecting-free screwing device according to claim 5, characterized in that: the bottom of the wire clamping clip (5) extends downwards to form a buckle (502), the side wall of the support frame (401) extends outwards to form a flange, and a clamping groove (405) matched with the buckle (502) is formed in the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021739743.8U CN212748097U (en) | 2020-08-19 | 2020-08-19 | Generator bush temperature measurement resistor wire-removal-free tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021739743.8U CN212748097U (en) | 2020-08-19 | 2020-08-19 | Generator bush temperature measurement resistor wire-removal-free tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212748097U true CN212748097U (en) | 2021-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021739743.8U Active CN212748097U (en) | 2020-08-19 | 2020-08-19 | Generator bush temperature measurement resistor wire-removal-free tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212748097U (en) |
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2020
- 2020-08-19 CN CN202021739743.8U patent/CN212748097U/en active Active
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