CN214274175U - Liquid level meter of high-voltage insulating sleeve for transformer substation - Google Patents
Liquid level meter of high-voltage insulating sleeve for transformer substation Download PDFInfo
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- CN214274175U CN214274175U CN202120230774.9U CN202120230774U CN214274175U CN 214274175 U CN214274175 U CN 214274175U CN 202120230774 U CN202120230774 U CN 202120230774U CN 214274175 U CN214274175 U CN 214274175U
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- liquid level
- level meter
- ferrule
- rubber ring
- voltage insulating
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Abstract
The utility model discloses a transformer substation is with high-voltage insulation sleeve's liquid level meter, including the liquid level meter body, the downside fixed mounting of liquid level meter body has liquid level meter detecting tube, the external screw thread has been seted up to liquid level meter detecting tube periphery side, adjusting bolt is installed in the rotation of external screw thread department, the rotatory plain bearing of installing of adjusting bolt downside, plain bearing's downside is equipped with the rubber ring circle, the ring channel has been seted up to the periphery side of rubber ring circle, the periphery side at liquid level meter detecting tube is established to rubber ring circle slip cap, install the support piece that opens or contract on the liquid level meter detecting tube, support piece is located the below of rubber ring circle. The utility model provides a transformer substation is with high-voltage insulation sleeve's liquid level table, can seal high-voltage insulation sleeve installation liquid level table department, and oil leak or pressure release scheduling problem appear in effectual position department of having avoided installing this device on insulation sleeve, and the practicality is strong.
Description
Technical Field
The utility model relates to a liquid level detection technical field specifically is a high-voltage insulation support's for transformer substation liquid level table.
Background
In a high-voltage transformer substation, the oil level in a high-voltage bushing needs to be guaranteed to be safe in operation of devices in the bushing of the transformer under the normal height, and whether the devices in the bushing work normally or not can be effectively judged by monitoring the height of the oil level in the insulating bushing.
The liquid level of oil in the oil charge formula sleeve pipe is mostly detected through the liquid level meter, observes so that add and monitor the oil mass through the data to the liquid level meter, guarantees the inside normal work of oil charge formula sleeve pipe, but insulation support is strict to inside oil field leakproofness requirement, can not carry out effectual sealing to its mounted position behind the installation liquid level meter, and the reliable steady operation of device brings the potential safety hazard in the cover pipe easily not sealed processing.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a high voltage insulation support's for transformer substation liquid level table, can carry out effectual sealing to high voltage insulation support installation liquid level table department, avoid appearing oil leak or pressure release scheduling problem, the leakproofness is good, and the practicality is strong, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transformer substation is with high-voltage insulation sleeve's liquid level meter, includes the liquid level meter body, the downside fixed mounting of liquid level meter body has liquid level meter detecting tube, the external screw thread has been seted up to liquid level meter detecting tube periphery side, external screw thread department rotatory installation has adjusting bolt, the rotatory plane bearing of installing of adjusting bolt downside, plane bearing's downside is equipped with the rubber sleeve circle, the ring channel has been seted up to the periphery side of rubber sleeve circle, the rubber sleeve circle is established at the periphery side of liquid level meter detecting tube to the slip cap, install the support piece that opens or contract on the liquid level meter detecting tube, support piece is located the below of rubber sleeve circle.
As a preferred technical scheme of the utility model, support piece includes first lasso, first lasso is located the below of rubber ring, first lasso slip cap is established in the periphery side of liquid level meter test tube, first lasso is gone up the rotatory first sector plate of installing a plurality of.
As the utility model discloses an optimal technical scheme, the below of first lasso is equipped with the second lasso, the periphery side at liquid level meter test tube is established to second lasso slip cover, rotatory a plurality of second sector plate of installing on the second lasso, the first sector plate of a plurality of and the equal crisscross setting each other of a plurality of second sector plate.
As an optimal technical scheme of the utility model, annular groove has all been seted up to first sector plate upside and second sector plate upside, the rubber ring joint is in annular groove.
As an optimal technical scheme of the utility model, the periphery side of first sector plate and the one end fixed connection of connecting the rope, the other end of connecting the rope and the periphery side fixed connection of rubber ring.
As a preferred technical scheme of the utility model, the periphery side fixed mounting of liquid level meter test tube has the locating part, the locating part is located the below of second ferrule.
As an optimal technical scheme of the utility model, the periphery side cover of liquid level meter test tube is equipped with the about piece of annular, about piece slidable mounting is between plane bearing and rubber ring.
As a preferred technical scheme of the utility model, annular recess has been seted up to the downside of about-fitting, annular recess diameter grow gradually from the top down.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a transformer substation is with high-voltage insulation sleeve's liquid level table, it makes adjusting bolt move up along liquid level table detecting tube external screw thread to rotate adjusting bolt, the rebound slip rubber lasso, tensile connection rope when the rubber lasso shifts up, it drives first sector plate at the periphery side of first lasso to connect the rope, then adjust the second lasso and shift up, make the second sector plate break away from the restraint of locating part, the second sector plate receives the influence of gravity to rotate downwards at the periphery side of second lasso, make this device be in the shrink state, make things convenient for this device to install downthehole the installing of needs
2. The utility model discloses a transformer substation is with high-voltage insulation sleeve's liquid level table, the plane bearing pressurized glide drives about piece and pushes down, the annular recess of diameter from the top grow gradually is seted up to about piece's downside, when about piece pushes down, the inner wall extrusion rubber lasso of annular recess, the pipe wall of extrusion rubber lasso upper portion branch to liquid level table test tube and the pipe wall in the insulation sleeve outside draw close, realize sealedly in the outside of mounting hole, prevent that external liquid or gas from entering into inside the insulation sleeve, avoid external object to produce the insulating oil or the device of insulation sleeve inside to influence.
3. The utility model discloses a transformer substation is with high-voltage insulation sleeve's liquid level meter rotates adjusting bolt and rotates downwards, makes rubber sleeve circle annular groove downside joint inside the annular groove, along with adjusting bolt rotates downwards, and the cell wall of annular groove retrains the extrusion to the downside of rubber sleeve circle, makes the outer wall and the inboard pipe wall of insulation sleeve that the tight liquid level meter detecting tube of rubber sleeve circle downside subsides, and it is sealed to the inside formation of insulation sleeve, prevents that inside fluid from flowing.
Drawings
FIG. 1 is a schematic view of the structure of the installation state of the present invention;
fig. 2 is a schematic view of the structure of the present invention in an uninstalled state.
In the figure: the liquid level meter comprises a liquid level meter body 1, a liquid level meter detection tube 2, a plane bearing 3, a rubber ferrule 4, a first sector plate 5, a first ferrule 6, a second sector plate 7, a limiting piece 8, an adjusting bolt 9, a constraint piece 10, a connecting rope 11 and a second ferrule 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a transformer substation is with high-voltage insulation sleeve's liquid level table, including liquid level table body 1, the downside fixed mounting of liquid level table body 1 has liquid level table detecting tube 2, the external screw thread has been seted up to liquid level table detecting tube 2 periphery side, external screw thread department swivelling joint has adjusting bolt 9, adjusting bolt 9 downside swivelling joint has plain bearing 3, plain bearing 3's downside is equipped with rubber ring 4, it makes its dislocation to produce the moment of torsion to rubber ring 4 when plain bearing 3 prevents to rotate adjusting bolt 9, the ring channel has been seted up to rubber ring 4's periphery side, ring channel and high-voltage insulation sleeve's pipe wall joint, rubber ring 4 slip cover is established at liquid level table detecting tube 2's periphery side, install the support piece that opens or shrink on the liquid level table detecting tube 2, support piece is located rubber ring 4's below.
Further, the supporting element comprises a first collar 6, the first collar 6 is located below the rubber collar 4, the first collar 6 is slidably sleeved on the outer peripheral side of the liquid level meter detection tube 2, and a plurality of first sector plates 5 are rotatably mounted on the first collar 6.
Further, a second ferrule 12 is arranged below the first ferrule 6, the second ferrule 12 is slidably sleeved on the outer peripheral side of the liquid level meter detection tube 2, a plurality of second fan-shaped plates 7 are rotatably mounted on the second ferrule 12, and the plurality of first fan-shaped plates 5 and the plurality of second fan-shaped plates 7 are arranged in a mutually staggered mode.
Further, annular grooves are formed in the upper sides of the first sector plates 5 and the upper sides of the second sector plates 7, and the rubber ring 4 is clamped in the annular grooves.
Further, the outer peripheral side of the first sector plate 5 is fixedly connected to one end of the connection cord 11, and the other end of the connection cord 11 is fixedly connected to the outer peripheral side of the rubber ferrule 4.
Further, a limiting member 8 is fixedly mounted on the outer peripheral side of the liquid level meter detecting tube 2, and the limiting member 8 is located below the second collar 12.
Further, an annular restraining member 10 is fitted around the outer peripheral side of the liquid level meter detection tube 2, and the restraining member 10 is slidably mounted between the flat bearing 3 and the rubber ring 4.
Further, the lower side of the restraint piece 10 is provided with an annular groove, and the diameter of the annular groove is gradually increased from top to bottom.
Further, a photoelectric sensor is arranged on a scale dial plate of the liquid level meter body 1, the photoelectric sensor is positioned on the outer side edge of the scale dial plate of the liquid level meter body 1, and the photoelectric sensor does not influence the rotation of a pointer of the liquid level meter body 1; the photoelectric sensor is preferably a photoelectric switch, and the photoelectric switch is normally open; the rising or falling of the oil level inside the oil-filled sleeve is transmitted to the liquid level meter body 1 through the liquid level meter detection pipe 2, the pointer of the liquid level meter body 1 rotates to cover the detection end of the photoelectric sensor, the photoelectric switch is changed from an off state to a on state, the photoelectric switch is switched on and works, the photoelectric switch converts digital signals on the dial plate into electric signals and transmits the electric signals to the remote controller, the oil level inside the sleeve can be judged through the signals transmitted by the photoelectric switches at different positions, and the remote monitoring effect is realized; the liquid level meter body 1 and the photoelectric sensor are common electronic components in the prior art, and the working mode and the circuit structure thereof are well-known technologies and are not described herein again; the output end of the photoelectric sensor is electrically connected with one end of an external wire, and the other end of the external wire penetrates through the liquid level meter body 1 and is electrically connected with an external PLC (programmable logic controller).
When in use: firstly, the device is adjusted: rotating adjusting bolt 9 and making adjusting bolt 9 shift up along 2 external threads of liquid level meter detecting tube, slip rubber lasso 4 shifts up, tensile connection rope 11 when rubber lasso 4 shifts up, connect rope 11 to drive first sector plate 5 at the periphery side of first lasso 6 upwards rotatory, then adjust second lasso 12 and shift up, make second sector plate 7 break away from the restraint of locating part 8, second sector plate 7 receives the influence of gravity to rotate down at the periphery side of second lasso 12, make this device be in the contraction state, make things convenient for this device to install in the oil charge formula casing hole that needs the installation.
After the adjustment is finished, a supporting piece of the device is placed into an oil-filled casing hole to be installed, the elasticity of a rubber ring 4 is utilized to apply force to the lower part of the rubber ring 4, the lower part of the rubber ring 4 is plugged into the oil-filled casing hole to be installed, the shape of the lower part of the rubber ring 4 is recovered, the rubber ring 4 is adjusted to enable an annular groove to be clamped with the pipe wall of a high-voltage insulating sleeve, an adjusting bolt 9 is rotated to move downwards, the adjusting bolt 9 moves downwards to enable a plane bearing 3 to slide downwards under pressure, the plane bearing 3 prevents a restraining piece 10 and the rubber ring 4 from generating torque to cause dislocation when the adjusting bolt 9 is rotated, the plane bearing 3 slides downwards to drive the restraining piece 10 to press downwards, an annular groove with the diameter gradually increased from top to bottom is formed in the lower side of the restraining piece 10, when the restraining piece 10 presses downwards, the inner wall of the annular groove extrudes the rubber ring 4, the upper part of the rubber ring 4 is extruded to close to the pipe wall of a liquid level meter detection pipe 2 and the pipe wall outside the insulating sleeve, realize sealed to the outside of mounting hole, prevent that external liquid or gas from entering into inside the insulation support, avoid external object to produce the influence to inside insulating oil or the device of insulation support.
After the supporting piece is placed into a hole to be installed, the second ferrule 12 slides downwards under the influence of gravity, the second ferrule 12 slides downwards to drive the second sector plate 7 to slide downwards, and when the second sector plate 7 slides downwards to be in contact with the upper side of the limiting piece 8, the second sector plate 7 rotates upwards on the second ferrule 12; when the adjusting bolt 9 slides downwards, the liquid level meter detecting tube 2 slides upwards, when the liquid level meter detecting tube 2 slides upwards, the connecting rope 11 gradually loses restraint on the first sector plate 5, the first sector plate 5 rotates downwards at the outer peripheral side of the first ferrule 6 under the influence of gravity, when the liquid level meter detecting tube 2 slides upwards, the limiting part 8 is driven to ascend, the limiting part 8 ascends gradually to restrain the second sector plate 7, the limiting part 8 drives the second sector plate 7 and the second ferrule 12 to ascend, the second sector plate 7 and the first sector plate 5 are arranged in a staggered mode, when the second sector plate 7 ascends, the second sector plate 7 is gradually spliced with the first sector plate 5 to form a circular disc, and is restrained by the limiting part 8 to influence, and the first sector plate 5 and the first ferrule 6 both ascend together with the limiting part 8.
Annular groove has all been seted up to 5 upsides of first sector plate and 7 upsides of second sector plate, the disc that second sector plate 7 and 5 meshing of first sector plate formed and the lower side contact back of rubber ring circle 4, continue to rotate adjusting bolt 9 and rotate downwards, make 4 ring channel downside joints of rubber ring circle inside annular groove, along with adjusting bolt 9 rotates downwards, the cell wall of annular groove retrains the extrusion to the downside of rubber ring circle 4, make 4 downside of rubber ring circle paste tight liquid level meter test tube 2's outer wall and the inboard pipe wall of insulating tube, it is sealed to the inside formation of insulating tube, prevent that inside fluid from flowing out.
When the device needs to be detached from an insulating sleeve, the adjusting bolt 9 is rotated, the adjusting bolt 9 rotates upwards along the external thread of the liquid level meter detecting tube 2, the adjusting bolt 9 drives the plane bearing 3 to move upwards, the constraint part 10 gradually reduces the constraint on the upper side of the rubber ferrule 4, when the adjusting bolt 9 rotates upwards, the liquid level meter detecting tube 2 moves downwards to increase the length of the liquid level meter detecting tube entering the oil-filled sleeve, the limiting part 8 loses the constraint on the supporting part, after the adjusting bolt 9 is adjusted to a certain height, the upper side of the rubber ferrule 4 is forced to be pulled out from the mounting hole, the rubber ferrule 4 slides to move upwards, when the rubber ferrule 4 moves upwards, the connecting rope 11 is stretched, the connecting rope 11 drives the first sector plate 5 to rotate upwards, the second ferrule 12 is adjusted to move upwards by using a crochet hook or other tools, the second sector plate 7 is separated from the constraint of the limiting part 8, the second sector plate 7 rotates downwards on the outer peripheral side of the second ferrule 12 under the influence of gravity, the supporting piece is in a contraction state, and the device is taken out from the mounting hole of the oil-filled bushing.
The utility model discloses can carry out effectual sealing to high-voltage insulation sleeve installation liquid level table department, avoid appearing oil leak or pressure release scheduling problem, the leakproofness is good, and the practicality is strong.
The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a transformer substation is with high-voltage insulation sleeve's liquid level table, includes liquid level table body (1), its characterized in that: a liquid level meter detecting tube (2) is fixedly mounted on the lower side of the liquid level meter body (1), an external thread is formed on the outer peripheral side of the liquid level meter detecting tube (2), an adjusting bolt (9) is rotatably mounted at the external thread, a plane bearing (3) is rotatably mounted on the lower side of the adjusting bolt (9), a rubber ring (4) is arranged on the lower side of the plane bearing (3), an annular groove is formed in the outer peripheral side of the rubber ring (4), and the rubber ring (4) is slidably sleeved on the outer peripheral side of the liquid level meter detecting tube (2);
the liquid level meter detection tube (2) is provided with an expanding or contracting support piece, and the support piece is positioned below the rubber ferrule (4).
2. The liquid level gauge of the high-voltage insulating bushing for the substation according to claim 1, characterized in that: the supporting piece comprises a first ferrule (6), the first ferrule (6) is positioned below the rubber ferrule (4), the first ferrule (6) is sleeved on the outer periphery of the liquid level meter detection tube (2) in a sliding mode, and a plurality of first sector plates (5) are rotatably mounted on the first ferrule (6).
3. The liquid level gauge of the high-voltage insulating bushing for the substation according to claim 2, characterized in that: a second ferrule (12) is arranged below the first ferrule (6), the second ferrule (12) is sleeved on the outer peripheral side of the liquid level meter detection tube (2) in a sliding mode, a plurality of second fan-shaped plates (7) are rotatably mounted on the second ferrule (12), and the plurality of first fan-shaped plates (5) and the plurality of second fan-shaped plates (7) are arranged in a mutually staggered mode.
4. The liquid level gauge of the high-voltage insulating bushing for the substation according to claim 3, characterized in that: annular grooves are formed in the upper side of the first sector plate (5) and the upper side of the second sector plate (7), and the rubber ring (4) is clamped in the annular grooves.
5. The liquid level gauge of the high-voltage insulating bushing for the substation according to claim 4, characterized in that: the outer periphery of the first sector plate (5) is fixedly connected with one end of a connecting rope (11), and the other end of the connecting rope (11) is fixedly connected with the outer periphery of the rubber ferrule (4).
6. The liquid level gauge of the high-voltage insulating bushing for the substation according to claim 3, characterized in that: a limiting piece (8) is fixedly mounted on the outer peripheral side of the liquid level meter detection tube (2), and the limiting piece (8) is located below the second ferrule (12).
7. The liquid level gauge of the high-voltage insulating bushing for the substation according to claim 1, characterized in that: an annular restraint piece (10) is sleeved on the outer peripheral side of the liquid level meter detection tube (2), and the restraint piece (10) is slidably mounted between the plane bearing (3) and the rubber ring (4).
8. The liquid level gauge of the high-voltage insulating bushing for the substation according to claim 7, characterized in that: an annular groove is formed in the lower side of the restraint piece (10), and the diameter of the annular groove is gradually increased from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120230774.9U CN214274175U (en) | 2021-01-28 | 2021-01-28 | Liquid level meter of high-voltage insulating sleeve for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120230774.9U CN214274175U (en) | 2021-01-28 | 2021-01-28 | Liquid level meter of high-voltage insulating sleeve for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274175U true CN214274175U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120230774.9U Active CN214274175U (en) | 2021-01-28 | 2021-01-28 | Liquid level meter of high-voltage insulating sleeve for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274175U (en) |
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2021
- 2021-01-28 CN CN202120230774.9U patent/CN214274175U/en active Active
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