A protective cover and installation tool for low-voltage side of transformer capable of working with electricity

Abstract

The present invention discloses a protective cover for the low-voltage side of a transformer that can work under power and an installation tool, the protective cover comprising a first protective cover and a second protective cover for wrapping the wiring posts on the low-voltage side of the transformer; a plurality of first fixing seats are arranged on the side of the first protective cover, and a plurality of second fixing seats are arranged on the side of the second protective cover, and the first fixing seats correspond to the second fixing seats one by one; a first magnet is arranged in the first fixing seat, and a second magnet is arranged in the second fixing seat, and the polarities of the first magnet and the second magnet are opposite; a first opening is provided on one side of the first protective cover, and a second opening is provided on one side of the second protective cover, and the first opening and the second opening cooperate to form an outlet port on the low-voltage side of the transformer; the protective cover for the low-voltage side of the transformer that can work under power provided by the present invention can realize rapid installation of the first protective cover and the second protective cover by attracting the first magnet and the second magnet.

Description

Technical Field

[0001] The invention relates to the technical field of insulation protection of electric power equipment, and in particular to a protective cover and an installation tool for a low-voltage side of a transformer capable of working with electricity. Background Art

[0002] In the existing transformer rack, the conductive parts of the low-voltage terminals are generally all exposed to the air. If small animals, such as mice and birds, touch the metal conductive parts on the tower, it is easy to cause a short circuit in the line, resulting in a power outage of the entire line, affecting the normal power supply of the transformer to users and reducing the reliability of power supply. In addition, the current transformer protection work is a power outage operation, which has high operating costs.

[0003] It can be seen that the existing technology still needs to be improved and enhanced. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a protective cover for the low-voltage side of a transformer that can work under power, which can effectively protect the terminal posts on the low-voltage side of the transformer, and the protective cover can be quickly installed by the attraction of the first magnet and the second magnet.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A protective cover for the low-voltage side of a transformer that can work under power, comprising a first protective cover and a second protective cover made of insulating material, wherein a receiving cavity for wrapping the low-voltage side terminal of the transformer is formed between the first protective cover and the second protective cover; a plurality of first fixing seats are arranged on the side of the first protective cover, and a plurality of second fixing seats are arranged on the side of the second protective cover, and the first fixing seats correspond to the second fixing seats one by one; a first magnet is arranged in the first fixing seat, and a second magnet is arranged in the second fixing seat, and the polarities of the first magnet and the second magnet are opposite; a first opening is opened on one side of the first protective cover, and a second opening is opened on one side of the second protective cover, and the first opening and the second opening cooperate to form an outlet for the low-voltage side of the transformer.

[0007] In the protective cover of the low-voltage side of the transformer that can work under power, the first protective cover includes a first protective body, a second protective body and a third protective body arranged in sequence from top to bottom, the width of the second protective body is greater than the width of the first protective body; the cross-section of the third protective body is an arc shape; the second protective cover includes a fourth protective body, a fifth protective body and a sixth protective body arranged in sequence from top to bottom, the width of the fifth protective body is greater than the width of the fourth protective body; the cross-section of the sixth protective body is an arc shape.

[0008] In the protective cover of the low-voltage side of the transformer that can work with power, the first protective body includes a first protective piece, a second protective piece and a third protective piece, a plurality of first bayonet holes are respectively arranged on the left and right sides of the top of the second protective piece, a plurality of first card blocks that are matched and connected with the first bayonet holes are arranged on the top of the first protective piece, and a plurality of second card blocks that are matched and connected with the first bayonet holes are arranged on the top of the third protective piece; the first opening is opened on one side of the first protective piece; the second protective body includes a fourth protective piece, a fifth protective piece and a sixth protective piece, a plurality of second bayonet holes are respectively arranged on the left and right sides of the top of the fifth protective piece, a plurality of third card blocks that are matched and connected with the second bayonet holes are arranged on the top of the fourth protective piece, and a plurality of fourth card blocks that are matched and connected with the second bayonet holes are arranged on the top of the sixth protective piece; the second opening is opened on one side of the fourth protective piece.

[0009] In the protective cover of the low-voltage side of the transformer that can work under power, a plurality of first temperature measuring ports are opened on one side of the second protective piece, and a plurality of second temperature measuring ports are opened on one side of the second protective body; a plurality of third temperature measuring ports are opened on one side of the fifth protective piece, and a plurality of fourth temperature measuring ports are opened on one side of the fifth protective body.

[0010] In the protective cover of the low-voltage side of the transformer that can work under power, the first clamping block is provided with a plurality of first clamping teeth that cooperate with the first clamping socket, and the second clamping block is provided with a plurality of second clamping teeth that cooperate with the first clamping socket; the third clamping block is provided with a plurality of third clamping teeth that cooperate with the second clamping socket, and the fourth clamping block is provided with a plurality of fourth clamping teeth that cooperate with the second clamping socket.

[0011] In the protective cover of the low-voltage side of the transformer that can work with power, a plurality of third bayonet holes are respectively provided on the left and right sides of the bottom of the second protective member, a plurality of first clips that are matched and connected with the third bayonet holes are provided on the bottom of the first protective member, and a plurality of second clips that are matched and connected with the third bayonet holes are provided on the bottom of the third protective member; a plurality of fourth bayonet holes are respectively provided on the left and right sides of the bottom of the fifth protective member, a plurality of third clips that are matched and connected with the fourth bayonet holes are provided on the bottom of the fourth protective member, and a plurality of fourth clips that are matched and connected with the fourth bayonet holes are provided on the bottom of the sixth protective member.

[0012] In the protective cover of the low-voltage side of the transformer capable of working under power, the cross-sectional shapes of the third bayonet, the fourth bayonet, the first clamping strip, the second clamping strip, the third clamping strip and the fourth clamping strip are all trapezoidal.

[0013] The present invention also provides a protective cover installation tool accordingly, the protective cover installation tool is used to install the protective cover on the low-voltage side of the transformer that can work under power as described above; the protective cover installation tool includes a first mounting member, a second mounting member, a connecting seat, a connecting rod and a fixing device, the first mounting member and the fixing device are respectively fixed on the connecting seat, the second mounting member can be slidably arranged on the connecting seat, the fixing device is used to limit the active position of the second mounting member, the first mounting member and the second mounting member are used to fix and support the first protective cover or the second protective cover; the end of the first mounting member that contacts the first protective cover or the second protective cover is provided with a magnet mounting groove, and a third magnet is provided in the magnet mounting groove.

[0014] In the installation tool for the protective cover, a slide rail is arranged in the connecting seat, and a slide groove which slidably cooperates with the slide rail is arranged on the second installation member.

[0015] In the installation tool of the protective cover, the fixing device includes a pressure plate and a fastener, and the second mounting member is provided with a fixing groove that cooperates with the pressure plate; the pressure plate is arranged between the fixing groove and the connecting seat, and the fastener passes through the connecting seat and is connected to the pressure plate, and the fastener is used to adjust the distance between the pressure plate and the fixing groove.

[0016] Beneficial effects:

[0017] The present invention provides a protective cover for the low-voltage side of a transformer that can work under power. The first protective cover and the second protective cover can be quickly installed by attracting a first magnet and a second magnet, and the protective cover can be quickly installed. The first protective cover and the second protective cover are made of insulating material. During the installation process, there is no need to perform power outage installation, which reduces the installation cost. After the installation is completed, the protective cover can effectively protect the transformer to prevent small animals from directly contacting the terminal. The protective cover made of insulating material will not affect the normal power supply of the transformer, which improves the power supply stability and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of the protective cover provided by the present invention;

[0019] Figure 2 A schematic diagram of the structures of the second protective member, the second protective body and the third protective body provided by the present invention;

[0020] Figure 3 A schematic structural diagram of the second protective member, the second protective body and the third protective body provided by the present invention from another perspective;

[0021] Figure 4 A schematic diagram of the structure of the first protective member and the fourth protective member provided by the present invention;

[0022] Figure 5 A schematic diagram of the structure of the third protective member and the sixth protective member provided by the present invention;

[0023] Figure 6 A schematic diagram of the structure of the protective cover and the installation tool provided by the present invention;

[0024] Figure 7 A schematic diagram of the structure of the installation tool provided by the present invention;

[0025] Figure 8 A schematic structural diagram of the installation tool provided by the present invention from another perspective;

[0026] Fig. 9 This is a schematic structural diagram of the connecting rod provided by the present invention.

[0027] Main component symbol description: 1-first protective cover, 11-first fixing seat, 12-first protective body, 121-first protective element, 1211-first clamping block, 1212-first clamping strip, 122-second protective element, 1221-first clamping port, 1222-third clamping port, 1223-first temperature measuring port, 123-third protective element, 1231-second clamping block, 1232-second clamping strip, 13-second protective body, 131-second temperature measuring port, 14-third protective body, 15-first opening, 16-first installation port, 2-second protective cover, 21- The second fixed seat, 22-the fourth protective body, 221-the fourth protective piece, 2211-the third clamping block, 2212-the third clamping strip, 222-the sixth protective piece, 2221-the fourth clamping block, 2222-the fourth clamping strip, 23-the fifth protective body, 24-the sixth protective body, 25-the second opening, 26-the second mounting port, 31-the first mounting piece, 311-the magnet mounting slot, 32-the second mounting piece, 33-the connecting seat, 331-the slide rail, 34-the connecting rod, 341-the connecting head, 342-the second connecting port, 351-the pressure plate, 352-the fastener. DETAILED DESCRIPTION

[0028] The present invention provides a protective cover and an installation tool for the low-voltage side of a transformer that can work under power. In order to make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail below with reference to the accompanying drawings and examples.

[0029] In the description of the present invention, it should be understood that the orientation or position relationship indicated by the term "top" etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and should not be understood as a limitation on the present invention; in addition, the terms "installation", "connection" etc. should be understood in a broad sense, and for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0030] See also Figure 1 and Figure 2 The present invention provides a protective cover for the low-voltage side of a transformer that can work with power on, comprising a first protective cover 1 and a second protective cover 2 made of insulating material, wherein a receiving cavity for wrapping the low-voltage side terminal of the transformer is formed between the first protective cover 1 and the second protective cover 2; a plurality of first fixing seats 11 are arranged on the side of the first protective cover 1, and a plurality of second fixing seats 21 are arranged on the side of the second protective cover 2, and the first fixing seats 11 correspond to the second fixing seats 21 one by one; a first magnet is arranged in the first fixing seat 11, and a second magnet is arranged in the second fixing seat 21, and the polarities of the first magnet and the second magnet are opposite; a first opening 15 is opened on one side of the first protective cover 1, and a second opening 25 is opened on one side of the second protective cover 2, and the first opening 15 and the second opening 25 cooperate to form an outlet of the low-voltage side of the transformer.

[0031] In one embodiment, the first protective cover 1 and the second protective cover 2 are made of transparent PC material. The PC material has the advantages of high temperature resistance, high pressure resistance and flame retardancy. The first protective cover 1 and the second protective cover 2 are made of transparent PC material, which makes it convenient for operation and maintenance personnel to observe the working condition of the low-voltage side terminal during daily inspections.

[0032] In one embodiment, after the first magnet is installed in the first fixing seat 11, the first magnet is fixed with a matching insulating rubber plug. The insulating rubber plug protects the first magnet, does not affect the magnetic attraction of the first magnet, and can improve the overall insulation level of the protective cover. In addition, after the second magnet is installed in the second fixing seat 21, the second magnet is also fixed with a matching insulating rubber plug. The insulating rubber plug protects the second magnet, does not affect the magnetic attraction of the second magnet, and can improve the overall insulation level of the protective cover.

[0033] In actual use, the first protective cover 1 and the second protective cover 2 are respectively placed on the left and right sides of the low-voltage side terminal of the transformer, and the protective cover is quickly installed by the attraction of the first magnet and the second magnet; the first protective cover 1 and the second protective cover 2 are made of insulating material, and during the installation process, there is no need to shut down the power supply, which reduces the installation cost, and after the installation is completed, the protective cover can effectively protect the transformer to prevent small animals from directly touching the terminal, and the protective cover made of insulating material will not affect the normal power supply of the transformer, thereby improving the power supply stability and reliability.

[0034] For further information, see Figures 1 to 5The first protective cover 1 includes a first protective body 12, a second protective body 13 and a third protective body 14 which are arranged in sequence from top to bottom, and the width of the second protective body 13 is greater than the width of the first protective body 12; the cross-section of the third protective body 14 is an arc shape; the second protective cover 2 includes a fourth protective body 22, a fifth protective body 23 and a sixth protective body 24 which are arranged in sequence from top to bottom, and the width of the fifth protective body 23 is greater than the width of the fourth protective body 22; the cross-section of the sixth protective body 24 is an arc shape.

[0035] The width of the second protective body 13 is greater than the width of the first protective body 12, and the width of the fifth protective body 23 is greater than the width of the fourth protective body 22, that is, the space of the accommodating cavity between the first protective body 12 and the fourth protective body 22 is smaller than the space of the accommodating cavity between the second protective body 13 and the fifth protective body 23; since one side of the terminal block on the low-voltage side of the transformer will protrude outward, the protruding direction of the terminal block is related to the construction, and the second protective body 13 and the fifth protective body 23 are set to protrude outward, which can improve the applicability of the protective cover.

[0036] The cross-sections of the third protective body 14 and the sixth protective body 24 are arc-shaped, and the bottom of the protective cover can fit with the insulator of the low-voltage side terminal, thereby improving the stability of the protective cover when in use.

[0037] In one embodiment, five first fixing seats 11 are provided on the first protective cover 1, and the first fixing seats 11 are respectively arranged at the top of the first protective body 12, the left and right sides of the top of the second protective body 13, and the left and right sides of the bottom of the second protective body 13; five second fixing seats 21 are provided on the second protective cover 2, and the second fixing seats 21 are respectively arranged at the top of the fourth protective body 22, the left and right sides of the top of the fifth protective body 23, and the left and right sides of the bottom of the fifth protective body 23; through the attraction of the first magnets and the second magnets at the five positions, the connection stability and firmness of the protective cover can be greatly improved.

[0038] For further information, see Figure 1 as well as Figures 3 to 5The first protective body 12 includes a first protective member 121, a second protective member 122 and a third protective member 123, a plurality of first bayonet holes 1221 are respectively arranged on the left and right sides of the top of the second protective member 122, a plurality of first clamping blocks 1211 are arranged on the top of the first protective member 121 to cooperate with the first bayonet holes 1221, and a plurality of second clamping blocks 1231 are arranged on the top of the third protective member 123 to cooperate with the first bayonet holes 1221; the first opening 15 is opened on one side of the first protective member 121; the second protective body 13 includes a fourth protective member 221, a fifth protective member and a sixth protective member 222, a plurality of second bayonet holes are respectively arranged on the left and right sides of the top of the fifth protective member, The top of the fourth protective member 221 is provided with a plurality of third blocks 2211 that are matched with the second bayonet, and the top of the sixth protective member 222 is provided with a plurality of fourth blocks 2221 that are matched with the second bayonet; the second opening 25 is opened on one side of the fourth protective member 221; through the first bayonet 1221 respectively engaging with the first clamping strip 1212 and the second clamping strip 1232, the first protective member 121 and the third protective member 123 are respectively detachably connected to the second protective member 122, and through the second bayonet respectively engaging with the third clamping strip 2212 and the fourth clamping strip 2222, the fifth protective member is respectively detachably connected to the fourth protective member 221 and the sixth protective member 222.

[0039] Before installing the first protective cover 1 and the second protective cover 2 , the first protective member 121 , the second protective member 122 and the third protective member 123 and the fourth protective member 221 , the fifth protective member and the sixth protective member 222 are firstly connected.

[0040] In one embodiment, see Figures 2 to 4 The second protective member 122 is provided with two first bayonet holes 1221 on the left and right sides of the top, the first protective member 121 is provided with two first clamping blocks 1211 on the top, and the third protective member 123 is provided with two second clamping blocks 1231 on the top; the fifth protective member is provided with two second bayonet holes on the left and right sides of the top, the fourth protective member 221 is provided with two third clamping blocks 2211, and the sixth protective member 222 is provided with two fourth clamping blocks 2221 on the top.

[0041] In one embodiment, the second protective member 122 , the second protective body 13 and the third protective body 14 are integrally formed; the fifth protective member, the fifth protective body 23 and the sixth protective body 24 are integrally formed.

[0042] For further information, see Figure 2 and Figure 3A plurality of first temperature measuring ports 1223 are provided on one side of the second protective member 122, and a plurality of second temperature measuring ports 131 are provided on one side of the second protective body 13; a plurality of third temperature measuring ports are provided on one side of the fifth protective member, and a plurality of fourth temperature measuring ports are provided on one side of the fifth protective body 23; temperature measuring ports are respectively provided on the first protective cover 1 and the second protective cover 2, and a temperature measuring gun can directly measure the temperature of the terminal inside the protective cover through the temperature measuring ports, thereby improving the safety of the temperature measurement work; temperature measurement work can be performed without removing the protective cover, thereby improving the efficiency of the operation and maintenance personnel in performing the operation and maintenance work.

[0043] For further information, see Figures 3 to 5 The first clamping block 1211 is provided with a plurality of first clamping teeth that cooperate with the first bayonet 1221, and the second clamping block 1231 is provided with a plurality of second clamping teeth that cooperate with the first bayonet 1221; the third clamping block 2211 is provided with a plurality of third clamping teeth that cooperate with the second bayonet, and the fourth clamping block 2221 is provided with a plurality of fourth clamping teeth that cooperate with the second bayonet; the first clamping teeth and the second clamping teeth that cooperate with the first bayonet 1221 are provided to improve the connection stability between the second protective member 122 and the first protective member 121 and the connection stability between the second protective member 122 and the third protective member 123; the third clamping teeth and the fourth clamping teeth that cooperate with the second bayonet are provided to improve the connection stability between the fifth protective member and the fourth protective member 221 and the connection stability between the fifth protective member and the sixth protective member 222.

[0044] For further information, see Figures 3 to 5 The second protective member 122 is provided with a plurality of third bayonet holes 1222 on the left and right sides of the bottom, the first protective member 121 is provided with a plurality of first clamping strips 1212 that are matched and connected with the third bayonet holes 1222 on the bottom, and the third protective member 123 is provided with a plurality of second clamping strips 1232 that are matched and connected with the third bayonet holes 1222 on the bottom; the fifth protective member is provided with a plurality of fourth bayonet holes on the left and right sides of the bottom, the fourth protective member 221 is provided with a plurality of third clamping strips 2212 that are matched and connected with the fourth bayonet holes on the bottom, and the sixth protective member 222 is provided with a plurality of fourth clamping strips 2222 that are matched and connected with the fourth bayonet holes on the bottom.

[0045] For further information, see Figures 3 to 5The cross-sectional shapes of the third bayonet 1222, the fourth bayonet, the first card strip 1212, the second card strip 1232, the third card strip 2212 and the fourth card strip 2222 are all trapezoidal, that is, the third bayonet 1222, the fourth bayonet, the first card strip 1212, the second card strip 1232, the third card strip 2212 and the fourth card strip 2222 are all large at the top and small at the bottom. After the third bayonet 1222 and the first card strip 1212 and the second card strip 1232 are installed, the first card strip 1212 or the second clip 1232 cannot slide off the bottom of the third clip 1222 and can only move horizontally along the third clip 1222; similarly, the third clip 2212 and the fourth clip 2222 can only move horizontally along the fourth clip, which greatly improves the connection stability between the first protective member 121 and the third protective member 123 and the second protective member 122, and greatly improves the connection stability between the fourth protective member 221 and the sixth protective member 222 and the fifth protective member.

[0046] For further information, see Figure 6 The top of the first protective cover 1 is provided with a first installation opening 16 for installing a three-phase identification member, and the top of the second protective cover 2 is provided with a second installation opening 26 for installing a three-phase identification member; three-phase identification members are installed on the protective cover, and the three-phase identification members are divided into different colors according to the phase lines, so that operation and maintenance personnel can easily and quickly identify the phase lines during the inspection process, thereby improving operation and maintenance efficiency.

[0047] See also Figures 6 to 9 The present invention also provides a protective cover installation tool accordingly, the protective cover installation tool is used to install the protective cover on the low-voltage side of the transformer that can work with power as described above; the protective cover installation tool includes a first mounting member 31, a second mounting member 32, a connecting seat 33, a connecting rod 34 and a fixing device, the first mounting member 31 and the fixing device are respectively fixed on the connecting seat 33, the second mounting member 32 is slidably arranged on the connecting seat 33, the fixing device is used to limit the active position of the second mounting member 32, the first mounting member 31 and the second mounting member 32 are used to fix and support the first protective cover 1 or the second protective cover 2; the end of the first mounting member 31 that contacts the first protective cover 1 or the second protective cover 2 is provided with a magnet mounting groove 311, and a third magnet is provided in the magnet mounting groove 311; in one embodiment, the first mounting member 31 and the connecting seat 33 are integrally formed.

[0048] When installing the protective cover, the inner wall of the first mounting member 31 abuts against the outer wall of the third protective body 14 or the outer wall of the sixth protective body 24, and the top of the first mounting member 31 abuts against the bottom of the second protective body 13 or the bottom of the fifth protective body 23, thereby supporting and fixing the protective cover; the inner wall of the second mounting member 32 abuts against the outer wall of the second protective body 13 or the outer wall of the fifth protective body 23, thereby further supporting the protective cover; the second mounting member 32 cooperates with the second mounting member 32 to effectively prevent the protective cover from falling and being hit during the installation process, thereby improving the safety of the installation operation.

[0049] After the third magnet is installed in the magnet installation groove 311, an insulating plug is installed on the surface of the third magnet to protect the third magnet; in the actual installation operation, two installation tools are required to clamp the first protective cover 1 and the second protective cover 2 respectively. The third magnets of the two installation tools have opposite polarities and can be attracted to each other, which is convenient for positioning the first protective cover 1 and the second protective cover 2 during installation, thereby improving the installation efficiency.

[0050] Since the terminal of the transformer on the low-voltage side protrudes to one side, a protruding nut is provided on the other side of the terminal, and the protrusion degree of the nut is different from that of the terminal. In order to save manufacturing materials, that is, to save manufacturing costs, the width of the second protective body 13 can be set to be smaller than the width of the fifth protective body 23; by adjusting the upper position of the second mounting member 32 on the connecting seat, the second mounting member 32 is made to fit the second protective body 13 or the fifth protective body 23 to effectively support the protective cover; that is, the second mounting member 32 is slidably arranged in the connecting seat 33, which can improve the applicability of the installation tool.

[0051] In other embodiments, the widths of the second protective body 13 and the fifth protective body 23 may be set to be equal, so that no matter which side the terminal protrudes, there is no need to adjust the installation positions of the second protective body 13 and the fifth protective body 23, thereby improving the convenience of the protective cover installation work.

[0052] For further information, see Figure 7 and Figure 8 A slide rail 331 is provided in the connecting seat 33, and a slide groove slidably matched with the slide rail 331 is provided on the second mounting member 32; through the cooperation between the slide rail 331 and the slide groove, the stability of the second mounting member 32 when sliding can be improved.

[0053] For further information, see Figure 7 and Figure 8The fixing device includes a pressing plate 351 and a fastener 352. The second mounting member 32 is provided with a fixing groove that cooperates with the pressing plate 351; the pressing plate 351 is arranged between the fixing groove and the connecting seat 33, and the fastener 352 passes through the connecting seat 33 and is connected to the pressing plate 351. The fastener 352 is used to adjust the distance between the pressing plate 351 and the fixing groove; when the fastener 352 is tightened, the pressing plate 351 abuts against the inner wall of the fixing groove, and the pressing plate 351 presses the second mounting member 32 to fix the second mounting member 32; when the fastener 352 is loosened, the second mounting member 32 can slide along the sliding groove and the fixing groove to adjust the position of the second mounting member 32; in one embodiment, the fastener 352 is a screw.

[0054] For further information, see Fig. 9 A connecting head 341 is provided at one end of the connecting rod 34, and a plurality of first threads are evenly provided on the outer wall of the connecting head 341; a first connecting port is provided at the bottom of the connecting seat 33, and a plurality of second threads are evenly provided on the inner wall of the first connecting port, and the first thread and the second thread are threadedly matched; a second connecting port 342 is provided at the bottom of the connecting rod 34, and a plurality of third threads are evenly provided on the inner wall of the second connecting port 342, and the third thread is threadedly matched with the first thread of another connecting rod 34, that is, the third thread is used to realize the connection between the connecting rod 34 and the connecting rod 34; by assembling multiple connecting rods 34, the flexibility and applicability of the installation tool can be improved; through the threaded connection between the connecting seat and the connecting rod 34 and the threaded connection between the connecting rods, the installation tool can be quickly disassembled and assembled, thereby improving the installation efficiency.

[0055] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of the present invention, and all these changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A protective cover for the low-voltage side of a transformer capable of working with power, characterized in that: It comprises a first protective cover and a second protective cover made of insulating material, wherein a receiving cavity for wrapping the low-voltage side terminal of the transformer is formed between the first protective cover and the second protective cover; a plurality of first fixing seats are arranged on the side of the first protective cover, and a plurality of second fixing seats are arranged on the side of the second protective cover, and the first fixing seats correspond to the second fixing seats one by one; a first magnet is arranged in the first fixing seat, and a second magnet is arranged in the second fixing seat, and the polarities of the first magnet and the second magnet are opposite; a first opening is arranged on one side of the first protective cover, and a second opening is arranged on one side of the second protective cover, and the first opening and the second opening cooperate to form an outlet port on the low-voltage side of the transformer; The first protective cover comprises a first protective body, a second protective body and a third protective body arranged in sequence from top to bottom, the width of the second protective body is greater than the width of the first protective body; the cross section of the third protective body is an arc shape; the second protective cover comprises a fourth protective body, a fifth protective body and a sixth protective body arranged in sequence from top to bottom, the width of the fifth protective body is greater than the width of the fourth protective body; the cross section of the sixth protective body is an arc shape; The first protective body comprises a first protective member, a second protective member and a third protective member, a plurality of first bayonet holes are respectively arranged on the left and right sides of the top of the second protective member, a plurality of first card blocks matched with the first bayonet holes are arranged on the top of the first protective member, a plurality of second card blocks matched with the first bayonet holes are arranged on the top of the third protective member; the first opening is opened on one side of the first protective member; the second protective body comprises a fourth protective member, a fifth protective member and a sixth protective member, a plurality of second bayonet holes are respectively arranged on the left and right sides of the top of the fifth protective member, a plurality of third card blocks matched with the second bayonet holes are arranged on the top of the fourth protective member, a plurality of fourth card blocks matched with the second bayonet holes are arranged on the top of the sixth protective member; the second opening is opened on one side of the fourth protective member; A first installation opening for installing a three-phase identification member is formed on the top of the first protective cover, and a second installation opening for installing a three-phase identification member is formed on the top of the second protective cover.

2. A protective cover for the low-voltage side of a transformer capable of working with power on according to claim 1, characterized in that: A plurality of first temperature measuring ports are provided on one side of the second protective element, and a plurality of second temperature measuring ports are provided on one side of the second protective body; a plurality of third temperature measuring ports are provided on one side of the fifth protective element, and a plurality of fourth temperature measuring ports are provided on one side of the fifth protective body.

3. The protective cover for the low-voltage side of a transformer capable of working with power on according to claim 1, characterized in that: The first clamping block is provided with a plurality of first clamping teeth which cooperate and connect with the first clamping port, and the second clamping block is provided with a plurality of second clamping teeth which cooperate and connect with the first clamping port; the third clamping block is provided with a plurality of third clamping teeth which cooperate and connect with the second clamping port, and the fourth clamping block is provided with a plurality of fourth clamping teeth which cooperate and connect with the second clamping port.

4. The protective cover for the low-voltage side of a transformer capable of live operation according to claim 1, characterized in that: A plurality of third bayonet holes are respectively arranged on the left and right sides of the bottom of the second protective member, a plurality of first clips which are matched and connected with the third bayonet holes are respectively arranged on the bottom of the first protective member, and a plurality of second clips which are matched and connected with the third bayonet holes are respectively arranged on the bottom of the third protective member; a plurality of fourth bayonet holes are respectively arranged on the left and right sides of the bottom of the fifth protective member, a plurality of third clips which are matched and connected with the fourth bayonet holes are respectively arranged on the bottom of the fourth protective member, and a plurality of fourth clips which are matched and connected with the fourth bayonet holes are respectively arranged on the bottom of the sixth protective member.

5. The protective cover for the low-voltage side of a transformer capable of working with power on according to claim 4, characterized in that: The cross-sectional shapes of the third clip, the fourth clip, the first clip, the second clip, the third clip and the fourth clip are all trapezoidal.

6. A protective cover installation tool, characterized in that: The installation tool of the protective cover is used to install the protective cover on the low-voltage side of the transformer that can work under power as described in any one of claims 1-5; the installation tool of the protective cover includes a first mounting member, a second mounting member, a connecting seat, a connecting rod and a fixing device, the first mounting member and the fixing device are respectively fixed on the connecting seat, the second mounting member is slidably arranged on the connecting seat, the fixing device is used to limit the active position of the second mounting member, the first mounting member and the second mounting member are used to fix and support the first protective cover or the second protective cover; a magnet mounting groove is provided at the end of the first mounting member that contacts the first protective cover or the second protective cover, and a third magnet is provided in the magnet mounting groove.

7. A protective cover installation tool according to claim 6, characterized in that: A slide rail is arranged in the connecting seat, and a slide groove which is slidably matched with the slide rail is arranged on the second mounting member.

8. A protective cover installation tool according to claim 6, characterized in that: The fixing device includes a pressing plate and a fastener, and the second mounting member is provided with a fixing groove that cooperates with the pressing plate; the pressing plate is arranged between the fixing groove and the connecting seat, and the fastener passes through the connecting seat and is connected to the pressing plate, and the fastener is used to adjust the distance between the pressing plate and the fixing groove.

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