CN218947537U - Assembling and disassembling tool for low-voltage current transformer - Google Patents

Assembling and disassembling tool for low-voltage current transformer Download PDF

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Publication number
CN218947537U
CN218947537U CN202223451910.0U CN202223451910U CN218947537U CN 218947537 U CN218947537 U CN 218947537U CN 202223451910 U CN202223451910 U CN 202223451910U CN 218947537 U CN218947537 U CN 218947537U
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China
Prior art keywords
shaft
transmission shaft
side section
transmission
follow
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CN202223451910.0U
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Chinese (zh)
Inventor
张斯琦
洪智勇
杨森
陈铭远
尤熠然
何娴
曹友德
赖青岚
潘嘉辉
郑思源
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State Grid Fujian Electric Power Co Ltd
Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
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State Grid Fujian Electric Power Co Ltd
Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Application filed by State Grid Fujian Electric Power Co Ltd, Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Fujian Electric Power Co Ltd
Priority to CN202223451910.0U priority Critical patent/CN218947537U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/82Recycling of waste of electrical or electronic equipment [WEEE]

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Abstract

The utility model relates to a mounting and dismounting tool for a low-voltage current transformer, which belongs to the technical field of electrician mounting and dismounting tools and comprises a U-shaped bracket, wherein a front side section, a side section and a back side section of the U-shaped bracket are respectively rotatably provided with a front transmission shaft, a side transmission shaft and a back transmission shaft, one end of the front transmission shaft is in transmission connection with a driving shaft through a first transmission gear set, the other end of the front transmission shaft is in transmission connection with one end of the side transmission shaft through a second transmission gear set, the other end of the side transmission shaft is in transmission connection with one end of the back transmission shaft through a third transmission gear set, the other end of the back transmission shaft is in transmission connection with a follow-up shaft through a fourth transmission gear set, the driving end of the driving shaft is provided with an outer hexagon nut used for being connected with a handle sleeve, and the follow-up end of the follow-up shaft is provided with a square head used for being connected with a back nut of the transformer.

Description

Assembling and disassembling tool for low-voltage current transformer
Technical Field
The utility model relates to a mounting and dismounting tool for a low-voltage current transformer, and belongs to the technical field of electrical mounting and dismounting tools.
Background
In the process of installing the special meter device on the metering cabinet, namely in the process of installing the meter and connecting electricity of the metering cabinet, the assembly and disassembly of the metering low-voltage transformer are required to be carried out by using a traditional wrench for installing and disassembling the metering cabinet busbar and fixing the metering transformer on the bottom plate in the cabinet by using a foundation screw. Because of the reasons of narrow space in the metering cabinet, poor sight line in the cabinet, darker environment and the like, the back nut of the low-voltage transformer can be fixed by a worker from the front side in the cabinet body by using the traditional wrench, in addition, the operable space for fixing the anchor screw of the transformer on the back of the cabinet body is extremely narrow, and the wrench is not easy to rotate on the back side in the cabinet body; the assembly and disassembly work of the current transformer often needs to consume more time and energy, and the operation difficulty is extremely high.
Disclosure of Invention
In order to solve the problems existing in the prior art, the utility model provides a mounting and dismounting tool for a low-voltage current transformer.
The technical scheme of the utility model is as follows:
the utility model provides a tool is installed and removed to low-voltage current transformer, includes the U-shaped support, front side section, side section and the back side section of U-shaped support rotate respectively and install front transmission shaft, side drive axle and back drive axle, front transmission shaft one end is connected with the drive shaft through first drive gear train transmission, the front transmission shaft other end pass through the second drive gear train with side drive axle one end transmission is connected, the side drive axle other end passes through the third drive gear train and is connected with back drive axle one end transmission, the back drive axle other end is connected with the follow-up axle through the transmission of fourth drive gear train, the drive end of drive axle is provided with the outer hexagon nut that is used for connecting handle sleeve, the follow-up end of follow-up axle is provided with the square head that is used for connecting transformer back nut.
The front transmission shaft penetrates through the front side section, the two ends of the front side section are respectively provided with a yielding groove for accommodating the first transmission gear set and the second transmission gear set, the side transmission shaft penetrates through the front side section and the back side section to be close to one end of the side section, two mounting lugs are arranged on the outer side of the back side section in an extending mode and used for installing the back transmission shaft in a penetrating mode, and the driving shaft and the follow-up shaft penetrate through the front side section and the back side section respectively and are far away from one end of the side section.
The back transmission shaft is a telescopic rod, and the follow-up shaft is slidably connected with the back side section.
The back transmission shaft comprises a spline sleeve and a spline shaft, and the spline shaft is movably inserted into the inner cavity of the spline sleeve.
The end part of the outer wall of the spline sleeve is connected with a telescopic positioning screw in a threaded mode.
The sliding groove is formed in the follow-up shaft, a sliding block is connected in the sliding groove in a sliding mode, and the follow-up shaft is rotatably arranged inside the sliding block in a penetrating mode.
The end of the back side section is in threaded connection with a distance adjusting screw, and the inner end of the distance adjusting screw is in rotary connection with the side wall of the sliding block.
The utility model has the following beneficial effects:
1. the utility model relates to a mounting and dismounting tool for a low-voltage current transformer, which comprises a U-shaped bracket, wherein two ends of the U-shaped bracket are respectively provided with an outer hexagon nut for connecting a handle sleeve and a square head for connecting a nut at the back of the transformer, and the two ends are combined and driven by a transmission shaft and a gear set.
2. The back transmission shaft is a telescopic rod, the follow-up shaft is in sliding connection with the back side section, namely the length of the back side section of the whole operation tool can be adjusted in a telescopic manner, so that the back side nut mounting and dismounting tool is suitable for mounting positions of nuts on the back side of different transformers, and the applicability of the device is improved.
Drawings
Fig. 1 is a schematic structural view of an assembling and disassembling tool for a low-voltage current transformer according to the present utility model.
The reference numerals in the drawings are as follows:
1-U-shaped support, 101-front side section, 102-side section, 103-back side section, 2-front transmission shaft, 3-side transmission shaft, 4-back transmission shaft, 401-spline sleeve, 402-spline shaft, 5-first transmission gear set, 6-driving shaft, 7-second transmission gear set, 8-third transmission gear set, 9-fourth transmission gear set, 10-driven shaft, 11-outer hexagonal nut, 12-square head, 13-abdication groove, 14-mounting lug, 15-chute, 16-sliding block, 17-telescopic set screw and 18-distance adjusting screw.
Detailed Description
The utility model will now be described in detail with reference to the drawings and to specific embodiments.
Referring to fig. 1, a tool for assembling and disassembling a low-voltage current transformer comprises a U-shaped bracket 1, wherein a front side section 101, a side section 102 and a back side section 103 of the U-shaped bracket 1 are respectively rotatably provided with a front transmission shaft 2, a side transmission shaft 3 and a back transmission shaft 4;
one end of the front transmission shaft 2 is in transmission connection with a driving shaft 6 through a first transmission gear set 5, the other end of the front transmission shaft 2 is in transmission connection with one end of the side transmission shaft 3 through a second transmission gear set 7, the front transmission shaft 2 penetrates through the front side section 101, and the two ends of the front side section 101 are respectively provided with a yielding groove 13 for accommodating the first transmission gear set 5 and the second transmission gear set 7;
the other end of the side transmission shaft 3 is in transmission connection with one end of the back transmission shaft 4 through a third transmission gear set 8, and the side transmission shaft 3 penetrates through one end, close to the side section 102, of the front side section 101 and the back side section 103;
the other end of the back transmission shaft 4 is connected with a follow-up shaft 10 in a transmission way through a fourth transmission gear set 9, and two mounting lugs 14 are arranged outside the back side section 103 in an extending way and used for mounting the back transmission shaft 4 in a penetrating way;
the first transmission gear set 5, the second transmission gear set 7, the third transmission gear set 8 and the fourth transmission gear set 9 are all bevel gear transmission; the vertical transmission structural characteristics among the front transmission shaft 2, the side transmission shaft 3 and the back transmission shaft 4 are matched;
the driving shaft 6 and the follow-up shaft 10 are respectively arranged at one end of the front side section 101 and the back side section 103 far away from the side section 102 in a penetrating way, the driving end of the driving shaft 6 is provided with an outer hexagonal nut 11 used for being connected with a handle sleeve, and the follow-up end of the follow-up shaft 10 is provided with a square head 12 used for being connected with a back nut of the transformer;
the back transmission shaft 4 is a telescopic rod, and the follow-up shaft 10 is slidably connected with the back side section 103;
specifically, the back transmission shaft 4 comprises a spline sleeve 401 and a spline shaft 402, the spline shaft 402 is movably inserted into the inner cavity of the spline sleeve 401, the end part of the outer wall of the spline sleeve 401 is in threaded connection with a telescopic positioning screw 17, and the extension length of the spline shaft 402 can be positioned by screwing the telescopic positioning screw 17;
specifically, the sliding groove 15 is formed in the follow-up shaft 10, the sliding groove 15 is connected with the sliding block 16 in a sliding manner, the follow-up shaft 10 rotates to penetrate through the sliding block 16, the end portion of the back side section 103 is in threaded connection with the distance adjusting screw 18, the inner end of the distance adjusting screw 18 is in rotational connection with the side wall of the sliding block 16, the sliding block 16 can be driven to move in the sliding groove 15 through rotating the distance adjusting screw 18, namely, the follow-up shaft 10 is driven to translate, and the fourth transmission gear set 9 can be effectively meshed for transmission after the length is adjusted.
The working principle of the utility model is as follows:
when the novel intelligent transformer back nut is used, the length of the back transmission shaft 4 is adjusted according to the installation position of the back nut of the transformer in the metering cabinet, the position of the follow-up shaft 10 is adjusted adaptively, the fourth transmission gear set 9 can keep engaged transmission after the length is adjusted, the back side section 103 of the U-shaped support 1 with the adjusted length bypasses the inner back side of the cabinet body, the blocking structure of the U-shaped support 1 with the adjusted length stretches into the inner back side of the cabinet body, the position of the nut is found, the square head 12 is abutted with the nut, then the front side outer hexagonal nut 11 is connected with the handle sleeve, the back nut can be driven to rotate through the handle sleeve, the back nut can be limited to be fixed through the handle sleeve which is movably kept, and therefore the operation of the back nut can be limited by constructors on the back nut of the transformer in the cabinet body at the front side in the cabinet body is achieved, the limitation of the back side operation space in the metering cabinet is eliminated, the operation difficulty is greatly reduced, and the operation efficiency is improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a low-voltage current transformer installs and removes instrument which characterized in that: including U-shaped support (1), front transmission shaft (2), side transmission shaft (3) and back transmission shaft (4) are installed in front side section (101), side section (102) and back side section (103) rotation respectively of U-shaped support (1), front transmission shaft (2) one end is connected with drive shaft (6) through first drive gear group (5) transmission, the front transmission shaft (2) other end pass through second drive gear group (7) with side transmission shaft (3) one end transmission is connected, the side transmission shaft (3) other end passes through third drive gear group (8) and back transmission shaft (4) one end transmission is connected, the back transmission shaft (4) other end is connected with trailing axle (10) through fourth drive gear group (9) transmission, the drive end of drive shaft (6) is provided with outer hexagon nut (11) that are used for connecting the handle sleeve, the trailing end of trailing axle (10) is provided with square head (12) that are used for connecting the mutual-inductor nut back.
2. A low voltage transformer mounting and dismounting tool as claimed in claim 1, wherein: the front transmission shaft (2) is arranged inside the front side section (101) in a penetrating mode, two ends of the front side section (101) are respectively provided with a yielding groove (13) for accommodating the first transmission gear set (5) and the second transmission gear set (7), the side transmission shaft (3) is arranged on the front side section (101) in a penetrating mode and the back side section (103) in a penetrating mode to be close to one end of the side section (102), two mounting lugs (14) are arranged on the outer side of the back side section (103) in an extending mode and used for installing the back transmission shaft (4) in a penetrating mode, and the driving shaft (6) and the follow-up shaft (10) are arranged on the front side section (101) and the back side section (103) in a penetrating mode and away from one end of the side section (102).
3. A low voltage transformer mounting and dismounting tool as claimed in claim 1, wherein: the back transmission shaft (4) is a telescopic rod, and the follow-up shaft (10) is in sliding connection with the back side section (103).
4. A low voltage transformer mounting or dismounting tool as claimed in claim 3, wherein: the back transmission shaft (4) comprises a spline sleeve (401) and a spline shaft (402), and the spline shaft (402) is movably inserted into an inner cavity of the spline sleeve (401).
5. The low-voltage current transformer mounting and dismounting tool as claimed in claim 4, wherein: the end part of the outer wall of the spline sleeve (401) is connected with a telescopic positioning screw (17) in a threaded mode.
6. A low voltage transformer mounting or dismounting tool as claimed in claim 3, wherein: a sliding groove (15) is formed in the follow-up shaft (10), a sliding block (16) is connected in the sliding groove (15) in a sliding mode, and the follow-up shaft (10) is rotatably arranged in the sliding block (16) in a penetrating mode.
7. The low-voltage current transformer mounting and dismounting tool as claimed in claim 6, wherein: the end of the back side section (103) is in threaded connection with a distance adjusting screw (18), and the inner end of the distance adjusting screw (18) is in rotary connection with the side wall of the sliding block (16).
CN202223451910.0U 2022-12-22 2022-12-22 Assembling and disassembling tool for low-voltage current transformer Active CN218947537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223451910.0U CN218947537U (en) 2022-12-22 2022-12-22 Assembling and disassembling tool for low-voltage current transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223451910.0U CN218947537U (en) 2022-12-22 2022-12-22 Assembling and disassembling tool for low-voltage current transformer

Publications (1)

Publication Number Publication Date
CN218947537U true CN218947537U (en) 2023-05-02

Family

ID=86103423

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223451910.0U Active CN218947537U (en) 2022-12-22 2022-12-22 Assembling and disassembling tool for low-voltage current transformer

Country Status (1)

Country Link
CN (1) CN218947537U (en)

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