CN210955861U - Warning device for overhauling terminal row of electric cabinet of transformer substation - Google Patents

Abstract

The utility model discloses a warning device for overhauling a terminal strip of a transformer substation electrical cabinet, which relates to the field of warning devices and comprises a left cylindrical barrel, a right cylindrical barrel and a middle warning cloth; the warning device is used for being mounted on a terminal block of a transformer substation electrical cabinet in normal operation during maintenance, so that misoperation during maintenance is avoided; the device is simple and convenient to install and is firm; the fixing method has the following characteristics that 1, two fixing modes are adopted, wherein one fixing mode is that an upper claw and a lower claw are used for clamping and fixing, and the other fixing mode is that an annular buckle formed by an elastic rope is used for fixing; 2. the rolled warning cloth is fixed through the eye-splice structure, so that the warning cloth is prevented from being scattered, the display length of the warning cloth is controlled through the structure, and when the required length is small, the length of one warning device is too long, so that the structure can be adopted for shortening; 3. when the length of one warning device is not enough, a plurality of warning devices can be connected in series.

Description

Warning device for overhauling terminal row of electric cabinet of transformer substation

Technical Field

The utility model relates to a warning device field, in particular to warning device is used in maintenance of regulator cubicle terminal row of transformer substation.

Background

Terminal rows are installed on the left side surface and the right side surface in an electrical cabinet of a transformer substation, when part of terminals of a terminal row on one side need to be disassembled and wired due to maintenance, and other terminal rows still run normally, in order to avoid misoperation, red cloth printed in running is usually arranged on the terminal row running normally to warn (as shown in fig. 15), and the simple and crude warning cloth cannot be stably fixed on the terminal row, so that the terminal row is inconvenient to use and is not attractive; therefore, the inventor designs and manufactures a special warning device.

Disclosure of Invention

An object of the utility model is to provide a warning device is used in maintenance of transformer substation's regulator cubicle terminal row is used for installing on transformer substation's regulator cubicle normal operating's terminal row during the maintenance, maloperation when avoiding overhauing.

The utility model adopts the technical scheme as follows: a warning device for overhauling a terminal strip of an electric cabinet of a transformer substation comprises a left cylindrical barrel, a right cylindrical barrel and a warning cloth in the middle; the left cylindrical barrel comprises a left cylindrical sleeve in the middle, a left cavity I and a right cavity II are arranged in the left cylindrical sleeve, the cavity I and the cavity II vertically penetrate through the upper surface and the lower surface of the left cylindrical sleeve, and the middle of the cavity I and the cavity II is separated by a partition plate; an upper sliding groove I and a lower sliding groove I are symmetrically formed in the left side of the cavity I in an up-down mode, the upper sliding groove I and the lower sliding groove I are communicated with the outside, the upper end of the upper sliding groove I penetrates through the upper surface of the left cylindrical sleeve, the lower end of the lower sliding groove I penetrates through the lower surface of the left cylindrical sleeve, and a blocking section I is arranged between the upper sliding groove I and the lower sliding groove I, so that the upper sliding groove I and the lower sliding groove I are not communicated; a right through groove is formed in the right side of the cavity II and is communicated with the outside, the upper end of the right through groove penetrates through the upper surface of the left cylindrical sleeve, and the lower end of the right through groove penetrates through the lower surface of the left cylindrical sleeve; the upper end and the lower end of the left cylindrical sleeve are respectively provided with a left sleeve cover which covers the upper port and the lower port of the left cylindrical sleeve;

an upper clamping jaw is movably mounted in the upper sliding groove I, a lower clamping jaw is movably mounted in the lower sliding groove I, and the upper clamping jaw and the lower clamping jaw have the same structure and are oppositely mounted; the upper clamping jaw comprises a right clamping part, a middle limiting part and a left clamping hook part, the clamping part is movably clamped at the upper half part of the first cavity, a clamping groove is formed between the limiting part and the clamping part, the front edge and the rear edge of the first upper sliding groove extend into the clamping groove, and a clamping opening is formed below the clamping hook part; the lower clamping jaw is movably clamped on the lower half part of the first cavity; the upper clamping jaw can move up and down along the first upper sliding groove; the lower clamping jaw can move up and down along the first lower sliding groove; in addition, two spring parts, namely an upper spring and a lower spring, are arranged in the first cavity, the upper spring is arranged above the clamping part of the upper clamping jaw, the upper clamping jaw is propped against the bottom of the first upper sliding groove, and the upper clamping jaw is prevented from sliding upwards; the lower spring is arranged below the clamping part of the lower jaw, the lower jaw is jacked at the top of the first lower sliding groove, and the lower jaw is prevented from sliding downwards; the upper clamping jaw and the lower clamping jaw are positioned on two sides of a blocking section I between the upper sliding groove I and the lower sliding groove I under the elastic extrusion of the upper spring and the lower spring, the bayonets of the upper clamping jaw and the lower clamping jaw form a complete hexagonal bayonet, the bayonet can be expanded by pulling the upper clamping jaw and the lower clamping jaw away, and the warning device is detachably clamped and fixed at the upper end of the terminal row through the upper clamping jaw and the lower clamping jaw;

the right cylindrical barrel comprises a right cylindrical sleeve in the middle, a left cavity III and a right cavity IV are arranged in the right cylindrical sleeve, the cavity III and the cavity IV vertically penetrate through the upper surface and the lower surface of the right cylindrical sleeve, and the middle of the cavity III and the cavity IV is separated by a partition plate; a left through groove is formed in the left side of the cavity III and is communicated with the outside, the upper end of the left through groove penetrates through the upper surface of the right cylindrical sleeve, and the lower end of the left through groove penetrates through the lower surface of the right cylindrical sleeve; an upper sliding groove II and a lower sliding groove II are symmetrically formed in the right side of the cavity IV from top to bottom, the upper sliding groove II and the lower sliding groove II are communicated with the outside, the upper end of the upper sliding groove II penetrates through the upper surface of the right cylindrical sleeve, the lower end of the lower sliding groove II penetrates through the lower surface of the right cylindrical sleeve, and a blocking section II is arranged between the upper sliding groove II and the lower sliding groove II, so that the upper sliding groove II and the lower sliding groove II are not communicated; the upper sliding groove II and the lower sliding groove II are used for connecting a plurality of warning devices, and an upper clamping jaw and a lower clamping jaw of the warning device on the rear side are opened and clamped into the upper sliding groove II and the lower sliding groove of the warning device on the front side;

the upper end and the lower end of the right cylindrical sleeve are respectively provided with a right sleeve cover which covers the upper port and the lower port of the right cylindrical sleeve; the diameters of the two right cylinder covers are larger than that of the right cylinder sleeve, and a first rolling groove is formed between the two right cylinder covers;

the left side of the warning cloth is wound on the strip-shaped left winding rod and fixed, the left winding rod is inserted into the second cavity, and the warning cloth penetrates out of the right through groove; the right side of the warning cloth is wound on the strip-shaped right winding rod and fixed, the right winding rod is inserted into the cavity III, and the warning cloth penetrates out of the left through groove;

the warning cloth is made of soft cloth materials, and characters are printed on the warning cloth to serve as a reminder.

Preferably, the outer side walls of the upper end and the lower end of the left cylindrical sleeve and the right cylindrical sleeve are provided with external threads, and the left cylinder cover and the right cylinder cover are provided with internal threads matched with the left cylinder cover and the right cylinder cover.

Preferably, the warning cloth is fixed to the left winding rod and the right winding rod by gluing or sewing.

Preferably, the warning cloth is made of red cloth, and white characters in operation are printed on the warning cloth.

The improved structure is characterized in that a first circular through hole is formed in the centers of an upper right cylinder cover and a lower right cylinder cover of the right cylindrical cylinder, a plug buckle is detachably mounted on the right cylinder cover on the upper portion, the plug buckle comprises a plug buckle part which can be inserted into the first through hole on the right cylinder cover on the upper portion and a rope threading part above the plug buckle part, and a rope threading through hole is horizontally formed in the rope threading part; a bungee rope penetrates through the rope threading through hole, and the lower end of the bungee rope penetrates through the through hole I of the right barrel cover at the lower part and is fixed in the right barrel cover at the lower part after knotting; in rolling up the groove one on right cylinder section of thick bamboo with warning cloth roll-up, fix the eye-splice on the right cover on upper portion, the elasticity rope is tightened and is pressed on the warning cloth of rolling up, prevents that warning cloth from scattering.

The warning cloth is characterized in that the left winding rod and the right winding rod are made of magnets, and the left cylindrical drum and the right cylindrical drum can be adsorbed together after the warning cloth is rolled up.

The center of the upper left cylinder cover and the center of the lower left cylinder cover of the left cylinder are provided with a circular through hole II, and each left cylinder cover is provided with an annular buckle formed by an elastic rope through the through hole II.

The beneficial effects of the utility model reside in that: the utility model provides a warning device for overhauling a terminal row of a transformer substation electrical cabinet, which is used for being installed on the terminal row of the transformer substation electrical cabinet in normal operation during overhauling, and avoiding misoperation during overhauling; the device is simple and convenient to install and is firm.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the warning device.

Fig. 2 is a schematic structural diagram of the left cylinder of the warning device when the left cylinder is detached.

Fig. 3 is a schematic left side perspective view of the left cylindrical sleeve of the warning device.

Fig. 4 is a schematic diagram of a right side three-dimensional structure of a left cylindrical sleeve of the warning device.

Fig. 5 is a schematic perspective view of the upper and lower jaws of the warning device.

Fig. 6 is a schematic three-dimensional structure diagram of the warning device in which the upper jaw and the lower jaw are mounted on the left cylindrical sleeve.

Fig. 7 is a cut-away view of the warning device with the upper jaw and the lower jaw mounted on the left cylindrical sleeve.

Fig. 8 is a schematic perspective view of a right cylinder of the warning device.

Fig. 9 is a left-side perspective view of the right cylindrical sleeve of the warning device.

Fig. 10 is a schematic right-view perspective structure view of a right cylindrical sleeve of the warning device.

Fig. 11 is a top view of the left side of the warning cloth of the warning device installed in the left cylindrical sleeve.

Fig. 12 is a top view of the right side of the warning cloth of the warning device installed in the right cylindrical sleeve. .

Fig. 13 is a schematic view of two warning devices connected together.

Fig. 14 is a structure diagram of the interior of the electrical cabinet of the substation.

Fig. 15 is a view showing the installation of a conventional warning cloth.

Fig. 16 is an installation diagram of the warning device.

Fig. 17 is a view showing the retraction fixing of the warning device.

In the figure: the novel multifunctional alarm device comprises a left cylindrical barrel 100, a right cylindrical barrel 200, a warning cloth 300, a plug buckle 400, a left cylindrical sleeve 101, a first cavity 102, a second cavity 103, a first upper chute 104, a first lower chute 105, a first blocking section 106, a right through groove 107, a left barrel cover 108, an upper jaw 109, a lower jaw 110, a clamping portion 111, a limiting portion 112, a clamping hook portion 113, a clamping groove 114, a clamping opening 115, an upper spring 116, a lower spring 117, a left winding rod 118, a second through hole 119, a ring buckle 120, a right cylindrical sleeve 201, a third cavity 202, a fourth cavity 203, a left through groove 204, a second upper chute 205, a second lower chute 206, a second blocking section 207, a right barrel cover 208, a first winding groove 209, a right winding rod 210, a first through hole 211, a plug buckle portion 401, a rope penetrating portion 402, a rope penetrating through hole 403 and a bungee 404.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1, a warning device for overhauling a terminal block of an electrical cabinet of a transformer substation comprises a left cylindrical barrel 100, a right cylindrical barrel 200 and a warning cloth 300 in the middle; as shown in fig. 2, the left cylindrical barrel 100 includes a left cylindrical sleeve 101 in the middle, as shown in fig. 3, a first cavity 102 on the left side and a second cavity 103 on the right side are arranged in the left cylindrical sleeve 101, the first cavity 102 and the second cavity 103 vertically penetrate through the upper and lower surfaces of the left cylindrical sleeve 101, and the middle is separated by a partition plate; an upper sliding groove I104 and a lower sliding groove I105 are symmetrically formed in the left side of the cavity I102 in an up-down mode, the upper sliding groove I104 and the lower sliding groove I105 are communicated with the outside, the upper end of the upper sliding groove I104 penetrates through the upper surface of the left cylindrical sleeve 101, the lower end of the lower sliding groove I105 penetrates through the lower surface of the left cylindrical sleeve 101, and a blocking section I106 is arranged between the upper sliding groove I104 and the lower sliding groove I105, so that the upper sliding groove I104 and the lower sliding groove I105 are not communicated; as shown in fig. 4, a right through groove 107 is formed in the right side of the second cavity 103, the right through groove 107 is communicated with the outside, the upper end of the right through groove 107 penetrates through the upper surface of the left cylindrical sleeve 101, and the lower end of the right through groove 107 penetrates through the lower surface of the left cylindrical sleeve 101.

As shown in fig. 2, the upper and lower ends of the left cylindrical sleeve 101 are respectively provided with a left cover 108 for covering the upper and lower ports of the left cylindrical sleeve 101; preferably, the outer side walls of the upper end and the lower end of the left cylindrical sleeve 101 are provided with external threads, the left cylinder cover 108 is provided with internal threads matched with the external threads, and the left cylinder cover 108 is installed at the two ends of the left cylindrical sleeve 101 in a threaded manner; and the two left cylinder covers 108 have a larger diameter than the left cylindrical sleeve 101.

As shown in fig. 3 and 6, an upper jaw 109 is movably mounted in the upper sliding groove one 104, a lower jaw 110 is movably mounted in the lower sliding groove one 105, and the upper jaw 109 and the lower jaw 110 have the same structure and are oppositely mounted; as shown in fig. 5, the upper jaw 109 includes a right clamping portion 111, a middle limiting portion 112, and a left clamping portion 113, the clamping portion 111 is movably clamped at the upper half portion of the first cavity 102, a clamping groove 114 is formed between the limiting portion 112 and the clamping portion 111, the front and rear edges of the first upper chute 104 extend into the clamping groove 114, and a clamping groove 115 is formed below the clamping portion 113; the lower claw 110 is movably clamped at the lower half part of the first cavity 102; the upper claw 109 can move up and down along the first upper chute 104; the lower claw 110 can move up and down along the first lower chute 105; in addition, as shown in fig. 6 and 7, two spring members, namely an upper spring 116 and a lower spring 117, are installed in the first cavity 102, the upper spring 116 is installed above the clamping portion 111 of the upper jaw 109, the upper jaw 109 is pushed against the bottom of the first upper chute 104, and the upper jaw 109 is prevented from sliding upwards; the lower spring 117 is arranged below the clamping part 111 of the lower jaw 110, and pushes the lower jaw 110 to the top of the first lower chute 105 and prevents the lower jaw 110 from sliding downwards; the upper clamping jaw 109 and the lower clamping jaw 110 are located on two sides of a blocking section I106 between the upper sliding groove I104 and the lower sliding groove I105 under the elastic extrusion of the upper spring 116 and the lower spring 117, the clamping openings 115 of the upper clamping jaw 109 and the lower clamping jaw 110 form a complete hexagonal clamping opening 115, the clamping openings 115 can be enlarged by pulling the upper clamping jaw 109 and the lower clamping jaw 110 away, and the warning device is detachably clamped and fixed at the upper end of the terminal row through the upper clamping jaw 109 and the lower clamping jaw 110.

As shown in fig. 8, the right cylinder 200 includes a right cylinder sleeve 201 in the middle, as shown in fig. 9, a left cavity three 202 and a right cavity four 203 are provided in the right cylinder sleeve 201, the cavity three 202 and the cavity four 203 vertically penetrate through the upper and lower surfaces of the right cylinder sleeve 201, and the middle is separated by a partition plate; a left through groove 204 is formed in the left side of the cavity III 202, the left through groove 204 is communicated with the outside, the upper end of the left through groove 204 penetrates through the upper surface of the right cylindrical sleeve 201, and the lower end of the left through groove 204 penetrates through the lower surface of the right cylindrical sleeve 201; as shown in fig. 10, an upper sliding groove two 205 and a lower sliding groove two 206 are symmetrically formed in the right side of the cavity four 203, the upper sliding groove two 205 and the lower sliding groove two 206 are communicated with the outside, the upper end of the upper sliding groove two 205 penetrates through the upper surface of the right cylindrical sleeve 201, the lower end of the lower sliding groove two 206 penetrates through the lower surface of the right cylindrical sleeve 201, and a blocking section two 207 is arranged between the upper sliding groove two 205 and the lower sliding groove two 206, so that the upper sliding groove two 205 and the lower sliding groove two 206 are not communicated; the second upper chute 205 and the second lower chute 206 are used for connecting a plurality of warning devices, and the upper claw 109 and the lower claw 110 of the warning device on the rear side are opened and clamped into the second upper chute 205 and the lower chute of the warning device on the front side, as shown in fig. 13.

As shown in fig. 8, a right cylinder cover 208 is respectively installed at the upper end and the lower end of the right cylinder sleeve 201 to cover the upper end and the lower end of the right cylinder sleeve 201; similarly, the outer side walls of the upper end and the lower end of the right cylindrical sleeve 201 are provided with external threads, the right cylinder cover 208 is provided with internal threads matched with the external threads, and the right cylinder cover 208 is installed at the two ends of the right cylindrical sleeve 201 in a threaded manner; and the two right cylinder covers 208 have a larger diameter than the right cylinder sleeve 201, and a winding groove 209 (shown in fig. 1) is formed between the two right cylinder covers 208.

As shown in fig. 11, the left side of the warning cloth 300 is wound around the strip-shaped left winding rod 118 and fixed, and the left winding rod 118 is inserted into the second cavity 103 by gluing or sewing, and the warning cloth 300 passes through the right through groove 107; as shown in fig. 12, the right side of the warning cloth 300 is wound around the right bar 210 and fixed, and the right bar 210 is inserted into the cavity iii 202 by gluing or sewing, and the warning cloth 300 is threaded out of the left through groove 204.

The warning cloth 300 is made of soft cloth material, preferably, a striking red cloth material, and a white word "in operation" is printed on the red cloth material as a reminder, as shown in fig. 1.

When the warning device is not used, the warning cloth 300 is wound on the right cylindrical drum 200; when the warning device is used, the left cylindrical barrel 100 of the warning device is detachably clamped and fixed at the upper end of the terminal row through the upper clamping jaw 109 and the lower clamping jaw 110.

In addition, in order to ensure that the warning cloth 300 cannot be scattered after being rolled up, the inventor further improves the following steps that as shown in fig. 8, a circular through hole one 211 is formed in the centers of the upper right cylinder cover 208 and the lower right cylinder cover 208 of the right cylinder 200, a plug-in buckle 400 (as shown in fig. 1) is detachably mounted on the upper right cylinder cover 208, the plug-in buckle 400 comprises a plug-in buckle part 401 capable of being inserted into the through hole one 211 of the upper right cylinder cover 208, and a rope penetrating part 402 above the plug-in buckle part 401, and a rope penetrating through hole 403 is horizontally formed in the rope penetrating part 402; a bungee cord 404 penetrates through the cord threading through hole 403, and the lower end of the bungee cord 404 is fixed in the right barrel cover 208 at the lower part after being threaded and knotted from the through hole I211 of the right barrel cover 208 at the lower part; the warning cloth 300 is wound in the winding groove I209 on the right cylindrical drum 200, the eye-splice 400 is inserted and fixed on the right drum cover 208 on the upper part, the elastic rope 404 is tightly pressed on the wound warning cloth 300 to prevent the warning cloth 300 from being scattered (as shown in fig. 17), and the other function of the structure is to conveniently control the display length of the warning cloth 300.

Further optimal design, left winding pole 118 and right winding pole 210 adopt magnet to make, after warning cloth 300 furled up, a left side cylinder section of thick bamboo 100 and a right cylinder section of thick bamboo 200 can adsorb together, avoid warning device to scatter.

Further, as shown in fig. 2, it is inconvenient for some electrical cabinets to use the upper and lower jaws 109 and 110 for clamping and fixing, so a circular through hole two 119 is formed in the center of the upper and lower left cover 108 of the left cylindrical drum 100, and an annular buckle 120 tied by an elastic cord is installed on each left cover 108 through the through hole two 119 and fixed by the annular buckle 120.

The warning device is mainly used for being mounted on a normally running terminal block when the terminal block of the electrical cabinet of the transformer substation is overhauled, so that misoperation during overhauling is avoided; and the warning device can be used in other fields or places where warning is needed, without limitation.

The warning device has the characteristics that:

1. the fixing mode is two, one is that the upper claw 109 and the lower claw 110 are used for clamping and fixing, and the other is that the upper claw and the lower claw are fixed through an annular buckle 120 formed by elastic ropes;

2. the rolled warning cloth 300 is fixed through the structure of the eye-splice 400, so that the warning cloth 300 is prevented from being scattered, and meanwhile, the display length of the warning cloth 300 is controlled through the structure, when the required length is small, the length of one warning device is too long, and the structure can be adopted for shortening;

3. when the length of one warning device is not enough, a plurality of warning devices can be connected in series.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that modifications may be made to the above-described embodiments, or equivalent changes and modifications may be made to some of the technical features of the embodiments.

Claims (7)

1. A warning device for overhauling a terminal block of an electric cabinet of a transformer substation is characterized by comprising a left cylindrical barrel, a right cylindrical barrel and a warning cloth in the middle; the left cylindrical barrel comprises a left cylindrical sleeve in the middle, a left cavity I and a right cavity II are arranged in the left cylindrical sleeve, the cavity I and the cavity II vertically penetrate through the upper surface and the lower surface of the left cylindrical sleeve, and the middle of the cavity I and the cavity II is separated by a partition plate; an upper sliding groove I and a lower sliding groove I are symmetrically formed in the left side of the cavity I in an up-down mode, the upper sliding groove I and the lower sliding groove I are communicated with the outside, the upper end of the upper sliding groove I penetrates through the upper surface of the left cylindrical sleeve, the lower end of the lower sliding groove I penetrates through the lower surface of the left cylindrical sleeve, and a blocking section I is arranged between the upper sliding groove I and the lower sliding groove I, so that the upper sliding groove I and the lower sliding groove I are not communicated; a right through groove is formed in the right side of the cavity II and is communicated with the outside, the upper end of the right through groove penetrates through the upper surface of the left cylindrical sleeve, and the lower end of the right through groove penetrates through the lower surface of the left cylindrical sleeve; the upper end and the lower end of the left cylindrical sleeve are respectively provided with a left sleeve cover which covers the upper port and the lower port of the left cylindrical sleeve;

an upper clamping jaw is movably mounted in the upper sliding groove I, a lower clamping jaw is movably mounted in the lower sliding groove I, and the upper clamping jaw and the lower clamping jaw have the same structure and are oppositely mounted; the upper clamping jaw comprises a right clamping part, a middle limiting part and a left clamping hook part, the clamping part is movably clamped at the upper half part of the first cavity, a clamping groove is formed between the limiting part and the clamping part, the front edge and the rear edge of the first upper sliding groove extend into the clamping groove, and a clamping opening is formed below the clamping hook part; the lower clamping jaw is movably clamped on the lower half part of the first cavity; the upper clamping jaw can move up and down along the first upper sliding groove; the lower clamping jaw can move up and down along the first lower sliding groove; in addition, two spring parts, namely an upper spring and a lower spring, are arranged in the first cavity, the upper spring is arranged above the clamping part of the upper clamping jaw, the upper clamping jaw is propped against the bottom of the first upper sliding groove, and the upper clamping jaw is prevented from sliding upwards; the lower spring is arranged below the clamping part of the lower jaw, the lower jaw is jacked at the top of the first lower sliding groove, and the lower jaw is prevented from sliding downwards; the upper clamping jaw and the lower clamping jaw are positioned on two sides of a blocking section I between the upper sliding groove I and the lower sliding groove I under the elastic extrusion of the upper spring and the lower spring, the bayonets of the upper clamping jaw and the lower clamping jaw form a complete hexagonal bayonet, the bayonet can be expanded by pulling the upper clamping jaw and the lower clamping jaw away, and the warning device is detachably clamped and fixed at the upper end of the terminal row through the upper clamping jaw and the lower clamping jaw;

the right cylindrical barrel comprises a right cylindrical sleeve in the middle, a left cavity III and a right cavity IV are arranged in the right cylindrical sleeve, the cavity III and the cavity IV vertically penetrate through the upper surface and the lower surface of the right cylindrical sleeve, and the middle of the cavity III and the cavity IV is separated by a partition plate; a left through groove is formed in the left side of the cavity III and is communicated with the outside, the upper end of the left through groove penetrates through the upper surface of the right cylindrical sleeve, and the lower end of the left through groove penetrates through the lower surface of the right cylindrical sleeve; an upper sliding groove II and a lower sliding groove II are symmetrically formed in the right side of the cavity IV from top to bottom, the upper sliding groove II and the lower sliding groove II are communicated with the outside, the upper end of the upper sliding groove II penetrates through the upper surface of the right cylindrical sleeve, the lower end of the lower sliding groove II penetrates through the lower surface of the right cylindrical sleeve, and a blocking section II is arranged between the upper sliding groove II and the lower sliding groove II, so that the upper sliding groove II and the lower sliding groove II are not communicated; the upper sliding groove II and the lower sliding groove II are used for connecting a plurality of warning devices, and an upper clamping jaw and a lower clamping jaw of the warning device on the rear side are opened and clamped into the upper sliding groove II and the lower sliding groove of the warning device on the front side;

the upper end and the lower end of the right cylindrical sleeve are respectively provided with a right sleeve cover which covers the upper port and the lower port of the right cylindrical sleeve; the diameters of the two right cylinder covers are larger than that of the right cylinder sleeve, and a first rolling groove is formed between the two right cylinder covers;

the left side of the warning cloth is wound on the strip-shaped left winding rod and fixed, the left winding rod is inserted into the second cavity, and the warning cloth penetrates out of the right through groove; the right side of the warning cloth is wound on the strip-shaped right winding rod and fixed, the right winding rod is inserted into the cavity III, and the warning cloth penetrates out of the left through groove;

the warning cloth is made of soft cloth materials, and characters are printed on the warning cloth to serve as a reminder.

2. The warning device for overhauling the terminal block of the electrical cabinet of the transformer substation of claim 1, which is characterized in that: the outer side walls of the upper end and the lower end of the left cylindrical sleeve and the right cylindrical sleeve are provided with external threads, and the left cylinder cover and the right cylinder cover are provided with internal threads matched with the left cylinder cover and the right cylinder cover.

3. The warning device for overhauling the terminal block of the electrical cabinet of the transformer substation of claim 1, which is characterized in that: the warning cloth is fixed with the left winding rod and the right winding rod in a gluing or sewing mode.

4. The warning device for overhauling the terminal block of the electrical cabinet of the transformer substation of claim 1, which is characterized in that: the warning cloth is made of red cloth, and white characters in operation are printed on the warning cloth.

5. The warning device for overhauling the terminal block of the electric cabinet of the transformer substation according to any one of claims 1 to 4, characterized in that: a first circular through hole is formed in the centers of an upper right cylinder cover and a lower right cylinder cover of the right cylindrical cylinder, a plug buckle is detachably mounted on the right cylinder cover on the upper portion, the plug buckle comprises a plug buckle portion capable of being inserted into the first circular through hole on the upper right cylinder cover and a rope threading portion above the plug buckle portion, and the rope threading portion is horizontally provided with a rope threading through hole; a bungee rope penetrates through the rope threading through hole, and the lower end of the bungee rope penetrates through the through hole I of the right barrel cover at the lower part and is fixed in the right barrel cover at the lower part after knotting; in rolling up the groove one on right cylinder section of thick bamboo with warning cloth roll-up, fix the eye-splice on the right cover on upper portion, the elasticity rope is tightened and is pressed on the warning cloth of rolling up, prevents that warning cloth from scattering.

6. The warning device for overhauling the terminal block of the electrical cabinet of the transformer substation of claim 5, wherein: the left winding rod and the right winding rod are made of magnets, and after the warning cloth is rolled up, the left cylindrical drum and the right cylindrical drum can be adsorbed together.

7. The warning device for overhauling the terminal block of the electrical cabinet of the transformer substation of claim 6, wherein: and a circular through hole II is formed in the centers of the upper left cylinder cover and the lower left cylinder cover of the left cylindrical cylinder, and an annular buckle formed by an elastic rope is arranged on each left cylinder cover through the through hole II.

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