CN211182017U - Mechanical locking device for 110 KV grounding knife switch - Google Patents
Mechanical locking device for 110 KV grounding knife switch Download PDFInfo
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- CN211182017U CN211182017U CN201922099082.0U CN201922099082U CN211182017U CN 211182017 U CN211182017 U CN 211182017U CN 201922099082 U CN201922099082 U CN 201922099082U CN 211182017 U CN211182017 U CN 211182017U
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Abstract
The utility model relates to a 110 kilovolt earthing knife-switch mechanical blocking device. The method is characterized in that: the locking device comprises a tubular locking hole (3), wherein one end of the locking hole (3) is fixedly provided with a hoop (1) so as to be detachably arranged on a conductive arm rod (2) through the hoop (1), an internal thread is arranged in the locking hole (3), and the locking device also comprises a locking screw rod (4), one end of the locking screw rod (4) is connected with an output shaft of a rotating motor (7), and the other end of the locking screw rod faces the internal thread in the locking hole (3). The utility model discloses the device uses voltage and position as the criterion, has provided brand-new mechanical shutting action condition, makes ground connection switch machinery shutting more reliable and stable, and the position monitoring function of device is perfect under the double bus wiring mode, and circuit spacer bus both sides isolator shutting function makes it possess the ability of shutting both sides generating line isolator simultaneously.
Description
Technical Field
The utility model relates to a 110 kilovolt earthing knife-switch mechanical blocking device.
Background
At present, 110 KV earthing knife switch misoperation prevention mechanical locking at home and abroad is a locking mode which realizes mutual interlocking by realizing restriction through locking of a transmission part of an isolating switch and an earthing knife switch operating mechanism.
This locking method has certain limitations: firstly, the requirement on the fit clearance of the locking device is high, the requirement on the fit clearance cannot be too tight and too large, the clearance of the part of a mechanical locking product is not strictly regulated in the early stage of a manufacturer, the mechanical locking product is only required to be operated without forming obstruction, the clearance is usually 1-2 mm, the mechanical locking device mainly prevents the fit clearance from being too tight, and when the transmission part is not flexible enough, unlocking or locking is easy to be not in place. The purpose of unlocking or locking can not be achieved due to too large fit clearance; secondly, a double-bus wiring mode is generally adopted for 110 kilovolts, isolating switches on two sides of a line spacing bus are connected to a circuit breaker outlet through herringbone wiring, at present, most of bus side grounding disconnecting switches are only installed at a single-side bus isolating switch and can only lock misoperation hidden dangers of the single-side bus isolating switch, the bus isolating switch on the other side is in a mechanical misoperation prevention locking state, and once a five-prevention lock fails, the risk of misoperation of personnel is generated; the third 110 KV bus grounding disconnecting link and the isolating switch have no linkage relation of operating mechanisms, only one anti-misoperation locking function of a five-prevention lockset is adopted, mechanical anti-misoperation is not adopted, the reliability of anti-misoperation technical measures of the grounding disconnecting link is low, and the safety of switching operation cannot be effectively guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a more reliable and more stable 110 kilovolts of ground connection switch mechanical locking device.
A mechanical locking device for 110 KV grounding knife switch is characterized in that: the locking device comprises a tubular locking hole, wherein one end of the locking hole is fixedly provided with a hoop so as to be detachably arranged on the conductive arm rod through the hoop, an internal thread is arranged in the locking hole, and the locking device also comprises a locking screw rod, one end of the locking screw rod is connected with an output shaft of a rotating motor, and the other end of the locking screw rod faces towards the internal thread in the locking hole.
The locking device comprises a supporting platform, a rotating motor, a locking screw rod and a locking screw rod, wherein the locking screw rod is arranged in the supporting platform, the locking screw rod is arranged in the shell, and the locking screw rod is arranged in the shell.
Wherein, a signal antenna is arranged on the outer wall of the shell and is connected with the rotating motor through a motor controller.
The solar energy power supply device further comprises a power supply source connected with the rotating motor, and the power supply source specifically adopts a solar cell module or a rechargeable battery.
Wherein the external thread on the locking screw is matched with the internal thread in the locking hole.
Compared with the prior art, the utility model discloses the device has following beneficial effect: the device uses voltage and position as the criterion, brand-new mechanical locking action condition has been proposed, make ground connection switch mechanical locking more reliable and stable, the position monitoring function of device has been perfected under the double bus wiring mode, circuit interval generating line both sides isolator blocking function, make it possess the ability of shutting both sides generating line isolator simultaneously, the device operation energy supplies simultaneously and comes from solar cell panel, it is clean convenient, still use the battery as stand-by power supply, in order to guarantee the incessant power supply of device, and voltage and position acquisition signal adopt thing networking wireless transmission to blocking device, it is convenient effective. In addition, the locking mode of the device is realized by selecting a screw-in type screw, so that the stability of the locking device is enhanced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a topological diagram of device operation criteria according to the present invention;
fig. 4 is a topological diagram of the device action criterion of the present invention.
Detailed Description
Example 1:
as shown in fig. 1 and 2, the utility model provides a novel 110 kilovolt ground connection switch machinery blocking device, constitute including components such as staple bolt 1, locking hole 3, blocking screw rod 4, advancing hole 5, signal antenna 6, rotating electrical machines 7, solar cell panel 8, battery 9, staple bolt 1 fixes locking hole 3 on ground connection switch conducting arm pole 2, blocking screw rod 4 is connected with the inside rotating electrical machines 7 of device through advancing hole 5, signal antenna 6 is connected with rotating electrical machines 7 through control circuit, solar cell panel 8 is connected with battery 9 and rotating electrical machines 7, provides the power for the motor. The signal antenna 6 receives the equipment voltage or the position signal of the isolating switch through the wireless transmission technology of the Internet of things, and controls the action of the rotating motor 7 through the electric control loop. The locking hole 3 is internally provided with a rotary thread and is fixed on the grounding disconnecting link conductive arm rod 2 by using the anchor ear 1, and the locking screw 4 is of a thread rotary type and leaves the locking hole 3 by positive rotation or enters the locking hole 3 by reverse rotation so as to respectively realize unlocking and locking effects.
The above-mentioned signal received through the signal antenna 6 thus drives the rotating electrical machine 7 through the control loop by adopting the conventional technology, for example, it can be realized through the signal antenna 6, the wireless signal decoder, the microcontroller, the output relay, the motor driving circuit which are connected in sequence.
The above-mentioned power supply to the rotating electrical machine 7 by the solar panel 8 in combination with the accumulator 9 also employs the conventional art.
The solar cell panel 8 is arranged on the device shell and connected with the rotating motor 7 and the storage battery 9 through power lines, the solar cell panel 8 can store electric energy in the storage battery 9, and when light is dark or at night, the storage battery 9 can assist the solar cell panel 8 to provide electric energy for the device so as to guarantee continuous normal operation of the device.
The utility model discloses a use method and theory of operation are:
the utility model relates to two kinds of novel ground connection switch blocking device, one kind is that prevent mistake blocking screw rod 4 in the installation machinery of the electrically conductive armed lever 2 blocking hole 3 precession formula of ground connection switch, the rotation of coming control ground connection switch action bars through the deciliter of blocking screw rod 4, thereby realize the function of shutting and unblock, the operating device incasement still sets up voltage sensor and gathers secondary voltage, use equipment to have no electric voltage as the criterion, through the deciliter of thing networking wireless device transmission signal control blocking screw rod 4, the device is voltage acquisition type blocking device, be fit for most ground connection switches and use.
The other type is a position acquisition type locking device, aiming at two isolating switches which are operated in a double-bus connection mode and are connected to a bus side at intervals, only one isolating switch can lock a grounding knife switch under different operation modes (the operation position of a knife switch at the power supply side is determined by an equipment control unit under the power grid operation mode), the scheme also uses a locking screw rod 4 to lock a conductive arm rod 2 of the grounding knife switch, the locking criterion at the position different from the front scheme is a position auxiliary node for acquiring the isolating switches at the two sides, and the opening and closing of a locking pin are realized by connecting two normally open nodes at the positions of the isolating switches in parallel. The two sets of devices can solve the problems of the existing mechanical locking function of the 110 KV grounding disconnecting link, meanwhile, the power supply uses the solar panel 8 to match with the storage battery 9 for continuous power supply, and the power supply does not need to be connected from a terminal box or a mechanism box, so that the stability of the equipment can be effectively improved, and the workload of installation and wiring of the equipment is reduced.
Further, the signal antenna 6 receives the equipment voltage or the position signal of the isolating switch through the wireless transmission technology of the internet of things, and controls the action of the rotating motor 7 through the electric control loop. The locking hole 3 is internally provided with a rotary thread and is fixed on the grounding switch conductive arm rod 2 by using the hoop 1. The locking screw rod 4 is of a thread rotating type and enters the locking hole 3 through positive rotation and reverse rotation, so that the locking effect is achieved. The solar cell panel 8 is arranged on the device shell and is connected with the rotating motor 7 and the storage battery 9 through power lines, the solar cell panel 8 can store electric energy in the storage battery 9, and when light is dark or at night, the storage battery 9 can assist the solar cell panel 8 to provide electric energy for the device so as to guarantee continuous normal operation of the device.
Example 2:
the utility model discloses a novel 110 kilovolt ground connection switch blocking device, as shown in figure 1, 2, this blocking device mainly comprises elements such as staple bolt 1, locking hole 3, shutting screw rod 4, advancing hole 5, signal antenna 6, rotating electrical machines 7, solar cell panel 8, battery 9 etc.. The device supporting platform 10 and the hoop 1 fix the device at the position of the conductive arm rod 2. When the equipment is in normal live operation, the locking screw rod 4 is in the locking hole 3, the locking device is in the switching-on position, the grounding knife switch is locked to be inoperable, when the equipment is in power failure, the signal antenna 6 receives a switching-off signal sent by the voltage (position) sensor and controls the rotating motor 7 to rotate forwards, the motor drives the locking screw rod 4 to rotate out of the locking hole 3, the locking device switches off, the grounding knife switch is in an operable state, and when the equipment is in power transmission, the reverse is not performed. Solar cell panel 8 then passes through power supply line as the power and supplies power for the device, and unnecessary electric energy can be stored in battery 9 when light is stronger, and when darker or night, battery 9 can assist solar cell panel 8 to provide the electric energy for the device to guarantee that the device lasts normal operating.
Optionally, the signal antenna 6 receives the device voltage or the position signal of the disconnecting switch through the wireless transmission technology of the internet of things, and controls the rotating motor 7 to act through the electric control loop.
Optionally, the locking hole 3 is internally provided with a rotating thread and is fixed on the grounding switch conductive arm 2 by using the anchor ear 1.
Optionally, the locking screw 4 is of a thread rotation type, and enters the locking hole 3 through forward rotation and reverse rotation to achieve a locking effect.
Optionally, the solar cell panel 8 is arranged on the device shell, and is connected with the rotating motor 7 and the storage battery 9 through power lines, the solar cell panel 8 can store electric energy in the storage battery 9, and when the light is dark or at night, the storage battery 9 can assist the solar cell panel 8 to provide electric energy for the device, so that the device can continuously and normally operate.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But variations and modifications which do not depart from the spirit and scope of the invention should be construed as being included in the scope of the appended claims.
Claims (5)
1. The utility model provides a 110 kilovolt earthing switch mechanical blocking device which characterized in that: the locking device comprises a tubular locking hole (3), wherein one end of the locking hole (3) is fixedly provided with a hoop (1) so as to be detachably arranged on a conductive arm rod (2) through the hoop (1), an internal thread is arranged in the locking hole (3), and the locking device also comprises a locking screw rod (4), one end of the locking screw rod (4) is connected with an output shaft of a rotating motor (7), and the other end of the locking screw rod faces the internal thread in the locking hole (3).
2. The mechanical 110 kv grounding switch blocking device according to claim 1, wherein: the locking device is characterized by further comprising a shell fixed on the supporting platform (10), a rotating motor (7) is fixedly mounted in the shell, a traveling hole (5) is formed in the shell, and one end of the locking screw rod (4) extends into the shell through the traveling hole (5).
3. The mechanical 110 kv grounding switch blocking device according to claim 1, wherein: wherein, a signal antenna (6) is arranged on the outer wall of the shell, and the signal antenna (6) is connected with a rotating motor (7) through a motor controller.
4. The mechanical 110 kv grounding switch blocking device according to claim 1, wherein: the solar energy power supply device further comprises a power supply source connected with the rotating motor (7), and the power supply source specifically adopts a solar cell module or a rechargeable battery.
5. The mechanical 110 kv grounding switch blocking device according to claim 1, wherein: wherein the external thread on the locking screw rod (4) is matched with the internal thread in the locking hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099082.0U CN211182017U (en) | 2019-11-29 | 2019-11-29 | Mechanical locking device for 110 KV grounding knife switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099082.0U CN211182017U (en) | 2019-11-29 | 2019-11-29 | Mechanical locking device for 110 KV grounding knife switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211182017U true CN211182017U (en) | 2020-08-04 |
Family
ID=71808103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922099082.0U Active CN211182017U (en) | 2019-11-29 | 2019-11-29 | Mechanical locking device for 110 KV grounding knife switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211182017U (en) |
-
2019
- 2019-11-29 CN CN201922099082.0U patent/CN211182017U/en active Active
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