CN215067148U - Special tool for debugging circuit breaker - Google Patents
Special tool for debugging circuit breaker Download PDFInfo
- Publication number
- CN215067148U CN215067148U CN202121500194.3U CN202121500194U CN215067148U CN 215067148 U CN215067148 U CN 215067148U CN 202121500194 U CN202121500194 U CN 202121500194U CN 215067148 U CN215067148 U CN 215067148U
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- connecting rod
- circuit breaker
- sliding sleeve
- pull rod
- main connecting
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- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 abstract description 8
- 238000013024 troubleshooting Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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Abstract
The utility model discloses a special tool for debugging a circuit breaker, which comprises a main connecting rod, a limit adjusting connecting rod assembly and a limit adjusting pull rod assembly; the limiting adjusting connecting rod assembly comprises a sliding sleeve and telescopic supporting rods, the sliding sleeve can be sleeved outside the middle part of the main connecting rod in a positioning mode, and the telescopic supporting rods are symmetrically connected to the left side and the right side of the sliding sleeve; the limiting adjusting pull rod assembly comprises a sliding sleeve, a hinge joint, an adjusting pull rod and a hanging plate, the sliding sleeve can be sleeved outside the tail part of the main connecting rod in a positioning mode, two ends of the adjusting pull rod are in telescopic connection with the hinge joint and the hanging plate, and the hinge joint is rotatably hinged with the sliding sleeve; one end of the main connecting rod is provided with an inner gear sleeve matched with a transmission main shaft of the circuit breaker mechanism to realize the rotation of the main shaft, so that the hinge angle between the limiting adjusting pull rod assembly and the main connecting rod can be changed, the limiting adjusting connecting rod assembly realizes the left-right positioning of a tool, the stretching of the limiting adjusting pull rod assembly can realize the stable connection with a handle of a circuit breaker trolley, and the mechanical positioning and keeping of the circuit breaker at any position in the switching-on and switching-off process can be realized.
Description
Technical Field
The utility model belongs to the circuit breaker field of overhauing specifically is a circuit breaker debugging specialized tool.
Background
The current transformer substation station interior 10kV circuit breaker mostly adopts the spring structure, and because of the constantly increase of transformer substation's equipment size, circuit breaker mechanism trouble also often takes place, and the current 10kV circuit breaker mechanism troubleshooting work mainly has following two problems:
(1) the spring mechanism circuit breaker realizes the opening and closing of the circuit breaker by releasing spring energy, but the opening and closing of the spring mechanism circuit breaker are all completed instantly, the action process is usually only dozens of milliseconds, the action process is not controllable, and the slow process of the opening and closing of the circuit breaker cannot be observed through the mechanism.
(2) When the internal mechanism of the circuit breaker breaks down, the internal mechanism of the circuit breaker needs to be disassembled usually, the work wastes time and labor, the cost of human resources is increased, and the fault elimination time of the circuit breaker is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a need not disassemble circuit breaker inner structure and can keep the circuit breaker debugging specialized tool of mechanical positioning at circuit breaker divide-shut brake in-process optional position.
The utility model provides a special tool for debugging a circuit breaker, which comprises a main connecting rod, a limit adjusting connecting rod assembly and a limit adjusting pull rod assembly; the limiting adjusting connecting rod assembly comprises a sliding sleeve and telescopic supporting rods, the sliding sleeve can be sleeved outside the middle part of the main connecting rod in a positioning mode, and the telescopic supporting rods are symmetrically connected to the left side and the right side of the sliding sleeve; the limiting adjusting pull rod assembly comprises a sliding sleeve, a hinge joint, an adjusting pull rod and a hanging plate, the sliding sleeve can be sleeved outside the tail part of the main connecting rod in a positioning mode, two ends of the adjusting pull rod are in telescopic connection with the hinge joint and the hanging plate, and the hinge joint is rotatably hinged with the sliding sleeve; one end of the main connecting rod is provided with an inner gear sleeve matched with a transmission main shaft of the circuit breaker mechanism.
In an embodiment of the foregoing technical solution, the cross section of the main link is rectangular, and the top surface and the bottom surface of the main link are respectively provided with a U-shaped groove along the length direction.
In one embodiment of the above technical scheme, the sliding sleeve is a rectangular sleeve with an inner cavity matched with the main connecting rod in size, the upper side and the lower side of the sliding sleeve are respectively provided with a threaded hole, and the threaded holes are respectively connected with a positioning screw.
In an embodiment of the above technical scheme, the telescopic support rod comprises a screw rod and an internal thread sleeve connected with the screw rod, the outer end of the internal thread sleeve is vertically connected with a support plate, and the inner end of the screw rod is vertically fixed on the side wall of the sliding sleeve.
In an embodiment of the above technical solution, the outer wall of the internally threaded sleeve is provided with a clamping groove.
In an embodiment of the above technical scheme, the hinge joint includes a U-shaped head and a screw rod vertically connected to the outer bottom surface thereof, the hanging plate is connected with the screw rod, the two axial ends of the adjusting pull rod are respectively provided with an internal threaded hole, and the two ends of the adjusting pull rod are respectively in threaded connection with the hinge joint and the hanging plate.
In an embodiment of the above technical scheme, the two side arms of the hinge joint clamp the sliding sleeve at the tail of the main connecting rod and then are rotatably hinged through a pin shaft.
In one embodiment of the above technical solution, a radial hole is formed in the middle of the pull rod, and a stress application rod is matched in the radial hole.
The middle of a main connecting rod of the tool is vertically connected with a limiting and adjusting connecting rod assembly, the tail of the main connecting rod is hinged with a limiting and adjusting pull rod assembly, an inner gear sleeve is arranged at the end of the main connecting rod and sleeved on a transmission main shaft of a breaker body mechanism, the transmission main shaft can rotate, and the rotation of the transmission main shaft can change the hinging angle of the limiting and adjusting pull rod assembly through the main connecting rod. The two ends of the limiting adjusting connecting rod assembly can be abutted against panels on two sides of the end part area of the transmission main shaft of the circuit breaker, left and right positioning of the tool is achieved, and the length of the telescopic supporting rod of the limiting adjusting connecting rod assembly is variable, so that the limiting adjusting connecting rod assembly can be applied to different circuit breakers. The position of the hanging plate can be adjusted by rotating the pull rod of the limit adjusting pull rod assembly, and the hinge angle of the limit adjusting pull rod assembly can be changed by combining the rotation of the transmission main shaft, so that the hanging plate can be guaranteed to reliably hang the handle of the breaker trolley, and the short-circuiting device can also be suitable for different short-circuiting devices. The inner gear sleeve at the end part of the main connecting rod is sleeved on a transmission main shaft of the circuit breaker, the gravity of a three-phase contact of the circuit breaker and the tension of a closing spring in an energy release state can be overcome, the slow opening and closing of the circuit breaker can be realized, and the mechanical positioning and keeping of the circuit breaker at any position in the opening and closing process can be realized by the left and right positioning and reliable hanging of a handle of a trolley of the circuit breaker. Therefore, the tool is used when the breaker mechanism is required to be checked and debugged when the breaker mechanism is in fault or three-phase out-of-phase and the like, the time for troubleshooting the mechanical fault of the breaker can be shortened while the risk of mechanical injury is avoided, the internal mechanism of the breaker is needless to be disassembled, and the cost of human resources is reduced.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Detailed Description
As can be seen from fig. 1 and fig. 2 after the connection, the special tool for debugging the circuit breaker disclosed in this embodiment includes a main connecting rod 1, an inner gear sleeve 2, a sliding sleeve 3, a positioning screw 4, a screw rod 5, an adjusting sleeve 6, a U-shaped hinge joint 7, an adjusting pull rod 8, and a hanging plate 9.
The cross section of the main connecting rod 1 is rectangular, U-shaped grooves along the length direction are formed in the top surface and the bottom surface of the main connecting rod, and the inner gear sleeve 2 is connected to the outer end of the main connecting rod 1.
The sliding sleeves 3 are rectangular sleeves, two sliding sleeves are provided, the sliding sleeves are slidably sleeved in the middle and the tail of the outer wall of the main connecting rod 1, the upper side and the lower side of the middle sliding sleeve are respectively connected with a positioning screw 4, and the positioning screws are screwed into U-shaped grooves in the main connecting rod 1.
The left side and the right side of a sliding sleeve in the middle of the main connecting rod 1 are symmetrically connected with screw rods 5, the outer ends of the two screw rods 5 are respectively connected with an adjusting sleeve 6, the adjusting sleeve 6 comprises an internal thread sleeve 61 and a supporting plate 62 at the outer end of the internal thread sleeve, and the side wall of the internal thread sleeve 61 is provided with a pair of plane clamping grooves so as to clamp the internal thread sleeve to rotate to realize the adjustment of the position of the supporting plate 62.
The sliding sleeve 3, the positioning screw 4, the screw 5 and the adjusting sleeve 6 form a limiting adjusting connecting rod assembly A.
The upper side of the sliding sleeve 3 at the tail part is connected with a positioning screw 4 screwed into a U-shaped groove at the upper side of the main connecting rod 1, the U-shaped hinged joint 7 is hinged at the left side and the right side of the sliding sleeve through a pin shaft, and the outer bottom surface of the U-shaped hinged joint is vertically connected with a screw rod.
The connecting limiting adjusting screw rod 8 is a cylindrical rod with threaded holes at two ends.
The upper side of the hanging plate 9 is connected with a screw.
The U-shaped hinged joint 7 and the hanging plate 9 are respectively connected with an adjusting pull rod 8 through a screw rod. The middle part of adjusting the pull rod is provided with radial hole, can insert the helping hand pole in radial hole, realizes spacing regulation pull rod's rotation through the helping hand pole to realize the regulation of link plate position.
The sliding sleeve 3, the U-shaped hinge joint 7, the adjusting pull rod 8 and the hanging plate 9 form a limiting adjusting pull rod assembly B.
The use process of this instrument is as follows:
the inner gear sleeve 2 at the end of the main connecting rod 1 is connected with a transmission main shaft of the breaker body mechanism, so that the clockwise/anticlockwise rotation of the transmission main shaft can be realized.
Sliding sleeve 3 to the suitable position at slip main connecting rod 1 middle part screws up the set screw of sliding sleeve downside, makes 3 primary location of sheath, then two adjusting collar 6 of rotatory, makes two backup pads withstand the panel of circuit breaker transmission main shaft tip district both sides respectively, screws up the set screw of 3 upsides of sliding sleeve again, avoids sliding sleeve 3 to slide on main connecting rod 1, realizes the location of controlling of this instrument.
Sliding sleeve 3 to the suitable position of slip owner connecting rod afterbody, screwing up the set screw of sliding sleeve upside, avoid this sliding sleeve to slide on owner connecting rod, then rotation regulation pull rod 8, adjust the position of link plate 9, make the link plate can effectively catch on or withhold circuit breaker dolly chassis handle to realize the reliable connection between spacing adjusting screw and the circuit breaker dolly handle.
The use principle of the tool is as follows:
the inner gear sleeve at the end part of the main connecting rod is sleeved on a transmission main shaft of the circuit breaker body mechanism, so that the transmission main shaft can rotate, and the rotation of the transmission main shaft can change the hinge angle of the limiting and adjusting pull rod assembly through the main connecting rod. The two ends of the adjusting connecting rod assembly can be abutted against panels on two sides of the end part area of the transmission main shaft of the circuit breaker, left and right positioning of the tool is achieved, and the length of the telescopic supporting rod of the limiting connecting rod assembly is variable, so that the tool can be suitable for different circuit breakers. The position of the hanging plate can be adjusted by rotating the pull rod of the limit adjusting pull rod assembly, and the hinge angle of the limit adjusting pull rod assembly can be changed by combining the rotation of the transmission main shaft, so that the hanging plate can be guaranteed to reliably hang the handle of the breaker trolley, and the short-circuiting device can also be suitable for different short-circuiting devices. The inner gear sleeve at the end part of the main connecting rod is sleeved on a transmission main shaft of the circuit breaker, the gravity of a three-phase contact of the circuit breaker and the tension of a closing spring in an energy release state can be overcome, the slow opening and closing of the circuit breaker can be realized, and the mechanical positioning and keeping of the circuit breaker at any position in the opening and closing process can be realized by the left and right positioning and reliable hanging of a handle of a trolley of the circuit breaker. Therefore, the tool is used when the breaker mechanism is required to be checked and debugged when the breaker mechanism is in fault or three-phase out-of-phase and the like, the time for troubleshooting the mechanical fault of the breaker can be shortened while the risk of mechanical injury is avoided, the internal mechanism of the breaker is needless to be disassembled, and the cost of human resources is reduced.
Claims (8)
1. The utility model provides a circuit breaker debugging specialized tool which characterized in that: the device comprises a main connecting rod, a limit adjusting connecting rod assembly and a limit adjusting pull rod assembly; the limiting adjusting connecting rod assembly comprises a sliding sleeve and telescopic supporting rods, the sliding sleeve can be sleeved outside the middle part of the main connecting rod in a positioning mode, and the telescopic supporting rods are symmetrically connected to the left side and the right side of the sliding sleeve; the limiting adjusting pull rod assembly comprises a sliding sleeve, a hinge joint, an adjusting pull rod and a hanging plate, the sliding sleeve can be sleeved outside the tail part of the main connecting rod in a positioning mode, two ends of the adjusting pull rod are in telescopic connection with the hinge joint and the hanging plate, and the hinge joint is rotatably hinged with the sliding sleeve; one end of the main connecting rod is provided with an inner gear sleeve matched with a transmission main shaft of the circuit breaker mechanism.
2. The circuit breaker commissioning special tool of claim 1, wherein: the cross section of the main connecting rod is rectangular, and the top surface and the bottom surface of the main connecting rod are respectively provided with a U-shaped groove along the length direction.
3. The circuit breaker commissioning special tool of claim 2, wherein: the sliding sleeve is a rectangular sleeve with the inner cavity size matched with the main connecting rod, the upper side and the lower side of the sliding sleeve are respectively provided with a threaded hole, and the threaded holes are respectively connected with a positioning screw.
4. The circuit breaker commissioning special tool of claim 3, wherein: the telescopic supporting rod comprises a screw rod and an internal thread sleeve connected with the screw rod, the outer end of the internal thread sleeve is vertically connected with a supporting plate, and the inner end of the screw rod is vertically fixed on the side wall of the sliding sleeve.
5. The circuit breaker commissioning special tool of claim 4, wherein: the outer wall of the internal thread sleeve is provided with a clamping groove.
6. The circuit breaker commissioning special tool of claim 1, wherein: the articulated head comprises a U-shaped head and a screw rod vertically connected with the outer bottom surface of the U-shaped head, the hanging plate is connected with the screw rod, the two axial ends of the adjusting pull rod are respectively provided with an internal thread hole, and the two ends of the adjusting pull rod are respectively in threaded connection with the articulated head and the hanging plate.
7. The circuit breaker commissioning special tool of claim 6, wherein: the two side arms of the hinge joint are rotatably hinged through a pin shaft after clamping the sliding sleeve at the tail part of the main connecting rod.
8. The circuit breaker commissioning special tool of claim 6, wherein: the middle part of the pull rod is provided with a radial hole, and a force application rod is matched in the radial hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500194.3U CN215067148U (en) | 2021-07-02 | 2021-07-02 | Special tool for debugging circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500194.3U CN215067148U (en) | 2021-07-02 | 2021-07-02 | Special tool for debugging circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215067148U true CN215067148U (en) | 2021-12-07 |
Family
ID=79227503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121500194.3U Active CN215067148U (en) | 2021-07-02 | 2021-07-02 | Special tool for debugging circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215067148U (en) |
-
2021
- 2021-07-02 CN CN202121500194.3U patent/CN215067148U/en active Active
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