CN115684704A - High-altitude electricity testing device - Google Patents

Abstract

The invention discloses a high-altitude electricity testing device which comprises a moving assembly, wherein the moving assembly comprises a placing frame, a rotating shaft, a fixing table, a rotating handle, a locking block and a supporting frame, the fixing table, the rotating handle and the locking block are respectively connected with the supporting frame, the rotating shaft is connected with the placing frame, the placing frame is connected with the fixing table, the rotating handle is matched with the fixing table, and the locking block is matched with the rotating handle; a clamping assembly engaged with the rotating shaft. This device can carry out nimble adjustment according to the actual work condition, and the operation is got up simply laborsavingly, and the staff of being convenient for tests the electricity operation.

Description

High-altitude electricity testing device

Technical Field

The invention relates to the technical field of electricity testing, in particular to an overhead electricity testing device.

Background

The maintenance operation that has a power failure often carries out among the maintainer daily operation, must use electroscope to verify the circuit before the maintenance operation after having a power failure really, install the earth connection again, ensure maintainer's personal safety, it generally belongs to high altitude construction to test electric work, it takes place to rock to be difficult to aim at the point of testing electricity to take place to test the electroscope at the place of working easily to take place maintainer operation electroscope, increase the work degree of difficulty, and the electroscope extends the back completely, moment is great, it is very hard to test the electricity, when testing electricity and finishing putting down the electroscope, inertia is great, for preventing pounding bad top electroscope part, need two people's cooperation just can put down, if the improper accident that appears in this in-process damages equipment.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.

Therefore, the technical problem to be solved by the invention is that maintenance personnel operating the electroscope shakes to be difficult to align to an electroscope point, the working difficulty is increased, after the electroscope is completely extended, the moment is large, the electroscope is very labor-consuming, when the electroscope is put down after the electroscope is completely electroscope is finished, the inertia is large, in order to prevent the electroscope part at the top end from being smashed, two persons are required to be matched to put down, and if the matching is improper, the accident can easily occur to damage equipment in the process.

In order to solve the technical problems, the invention provides the following technical scheme: a high-altitude electricity testing device comprises a moving assembly, wherein the moving assembly comprises a placing frame, a rotating shaft, a fixing table, a rotating handle, a locking block and a supporting frame, the fixing table, the rotating handle and the locking block are respectively connected with the supporting frame, the rotating shaft is connected with the placing frame, the placing frame is connected with the fixing table, the rotating handle is matched with the fixing table, and the locking block is matched with the rotating handle; a clamping assembly engaged with the rotating shaft.

As a preferable scheme of the high altitude electroscope device of the present invention, wherein: the support frame rotates post, second support including supporting cavity, first support and rotates post, locking groove and movable pulley, support the cavity set up in inside the support frame, first support rotate the post the second support rotate the post with the locking groove set up in the support frame upper end, the movable pulley set up in the support frame lower extreme.

As a preferable scheme of the high altitude electroscope apparatus of the present invention, wherein: the lower end of the fixed platform is provided with a fixed gear, and the fixed gear is arranged in the supporting cavity and is rotationally connected with the first supporting rotating column.

As a preferable scheme of the high altitude electroscope device of the present invention, wherein: the lower end of the rotating handle is provided with a rotating gear, the rotating gear is arranged in the supporting cavity and is rotationally connected with the second supporting rotating column, and the fixed gear is meshed with the rotating gear.

As a preferable scheme of the high altitude electroscope apparatus of the present invention, wherein: the locking block is arranged in the locking groove;

the locking block comprises a locking spring and a push plate latch, the locking spring is arranged on the side face of the locking block, the push plate latch is arranged on the other side face, and the push plate latch is matched with the rotating gear.

As a preferable scheme of the high altitude electroscope apparatus of the present invention, wherein: the clamping assembly comprises a clamping ring, a pulling block, a handle, an extrusion rod and a clamping column, the clamping ring, the handle, the extrusion rod and the clamping column are respectively matched with the rotating shaft, one end of the pulling block is connected with the clamping ring, and the other end of the pulling block is matched with the handle.

As a preferable scheme of the high altitude electroscope apparatus of the present invention, wherein: the rack includes sliding tray and arc rack, the sliding tray set up in the rack side, the arc rack set up in inside the sliding tray.

As a preferable scheme of the high altitude electroscope apparatus of the present invention, wherein: the rotation axis includes slip post, test electricity groove, cylinder hole, block annular, pulling groove, spacing lug, spacing spout, spacing block groove and spring slope piece, the slip post set up in the rotation axis side, test the electricity groove set up in slip post upper end, the cylinder hole set up in slip post side, the block annular set up in the rotation axis side and with test the electricity groove communicate with each other pull the groove run through set up in another side and with the cylinder hole communicates with each other, spacing lug set up in the rotation axis side is located block annular lower extreme, spacing spout set up in spacing lug side, spacing block groove set up in on the spacing spout inner wall, spring slope piece set up in spacing block inslot.

As a preferable scheme of the high altitude electroscope device of the present invention, wherein: the clamping ring is arranged in the clamping ring groove and is hinged with the rotating shaft;

the clamping ring comprises a spring extrusion block and a connecting pin, the spring extrusion block is arranged on the inner circumferential surface of the clamping ring, and the connecting pin is hinged with one end of the clamping ring.

As a preferable scheme of the high altitude electroscope apparatus of the present invention, wherein: the pulling block is hinged with the connecting pin;

the lower end of the pulling block is provided with a pulling slide block, the side surface of the pulling slide block is provided with a pulling clamping tooth, and the pulling slide block is arranged in the limiting chute;

the handle side is provided with the driving plate, the handle is arranged in the limiting sliding groove, and the pulling sliding block is located on the side face of the driving plate.

The invention has the beneficial effects that: this device can carry out nimble adjustment according to the actual work condition, and the operation is got up simply laborsavingly, and the staff of being convenient for tests the electricity operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic view of an assembly structure of an overhead electroscope apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a moving component of a high voltage discharge device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a placement frame, a rotating shaft and a clamping assembly in an overhead electroscope apparatus according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure view of a rotating shaft in an electrical overhead inspection apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a clamping assembly in a high voltage discharge device according to an embodiment of the present invention;

fig. 6 is a schematic structural view of an extrusion rod and a clamping column in an electrical height testing device according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Furthermore, the reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 2, the present embodiment provides an overhead electroscope apparatus including a moving assembly 100 and a clamping assembly 200.

The moving assembly 100 comprises a placing frame 101, a rotating shaft 102, a fixing table 103, a rotating handle 104, a locking block 105 and a supporting frame 106, wherein the fixing table 103, the rotating handle 104 and the locking block 105 are respectively connected with the supporting frame 106, the rotating shaft 102 is rotatably connected with the placing frame 101, the placing frame 101 is fixedly connected with the fixing table 103, the rotating handle 104 is matched with the fixing table 103, and the locking block 105 is matched with the rotating handle 104; a clamping assembly 200, the clamping assembly 200 cooperating with the rotatable shaft 102.

The support frame 106 includes support cavity 106a, first support rotation post 106b, second support rotation post 106c, locking groove 106d and movable pulley 106e, and support cavity 106a sets up inside support frame 106, and first support rotation post 106b, second support rotation post 106c and locking groove 106d set up in support frame 106 upper end, and movable pulley 106e sets up in support frame 106 lower extreme, and movable pulley 106e is provided with a plurality ofly.

The preferred sliding wheels 106e may be gimbaled for ease of movement and securement.

The fixed rack 103 is provided with a fixed gear 103a at the lower end, and the fixed gear 103a is arranged in the support cavity 106a and is rotatably connected with the first support rotating column 106 b.

The lower end of the rotating handle 104 is provided with a rotating gear 104a, the rotating gear 104a is arranged in the supporting cavity 106a and is rotatably connected with the second supporting rotating column 106c, and the fixed gear 103a is meshed with the rotating gear 104 a.

The locking block 105 is arranged in the locking groove 106 d; the locking block 105 comprises a locking spring 105a and a push plate latch 105b, the locking spring 105a is arranged on one side surface of the locking block 105, the push plate latch 105b is arranged on the other side surface, and the push plate latch 105b is in clamping fit with the rotating gear 104a to limit the rotation of the rotating gear 104 a.

The locking spring 105a is fixedly coupled to the inside of the locking groove 106 d.

During the use, the staff promotes rack 101 to suitable position, is connected electroscope and rotation axis 102, then promotes latch 105 push pedal latch 105b and is not in with rotating gear 104a block, promotes to rotate handle 104 and makes fixed station 103 take place to rotate through the meshing between rotating gear 104a and the fixed gear 103a, adjust the fixed station 103 to suitable position as required can, then loosens latch 105 push pedal latch 105b and rotates gear 104a block and make and rotate handle 104 unable the emergence and rotate.

The device can adjust the position of the fixed table 103 in real time according to the field environment, so that the development of electricity testing work is facilitated.

Example 2

Referring to fig. 3 to fig. 6, this embodiment provides an implementation of an overhead electroscope apparatus based on the previous embodiment, which is a second embodiment of the present invention.

The clamping assembly 200 comprises a clamping ring 201, a pulling block 202, a handle 203, a squeezing rod 204 and a clamping column 205, wherein the clamping ring 201, the handle 203, the squeezing rod 204 and the clamping column 205 are respectively matched with the rotating shaft 102, one end of the pulling block 202 is connected with the clamping ring 201, and the other end of the pulling block is matched with the handle 203.

The placing rack 101 comprises a sliding groove 101a and an arc-shaped rack 101b, wherein the sliding groove 101a is arranged on the side surface of the placing rack 101, and the arc-shaped rack 101b is arranged inside the sliding groove 101 a.

The two sliding grooves 101a are symmetrically arranged along the center line of the placement frame 101, only two arc-shaped racks 101b are respectively and fixedly arranged in the two sliding grooves 101a, and it should be noted that the directions corresponding to the rack ends of the two arc-shaped racks 101b are opposite.

The rotating shaft 102 comprises a sliding column 102a, an electroscopic groove 102b, a cylindrical hole 102c, a clamping ring groove 102d, a pulling groove 102e, a limiting bump 102f, a limiting sliding groove 102g, a limiting clamping groove 101h and a spring slope block 101i, wherein the sliding column 102a is arranged on the side surface of the rotating shaft 102, the electroscopic groove 102b is arranged at the upper end of the sliding column 102a, the cylindrical hole 102c is arranged on the side surface of the sliding column 102a in a penetrating manner, the clamping ring groove 102d is arranged on the side surface of the rotating shaft 102 and communicated with the electroscopic groove 102b, the pulling groove 102e is arranged on the other side surface in a penetrating manner and communicated with the cylindrical hole 102c, the limiting bump 102f is arranged on the side surface of the rotating shaft 102 and positioned at the lower end of the clamping ring groove 102d, the limiting sliding groove 102g is arranged on the side surface of the limiting bump 102f, the limiting clamping groove 101h is arranged on the inner wall of the limiting sliding groove 102g, and the spring slope block 101i is arranged in the limiting clamping groove 101 h.

Two sliding columns 102a are symmetrically arranged along the center line of the rotating shaft 102, and it should be noted that the engaging ring groove 102d and the sliding column 102a are not on the same plane, and the limiting protrusion 102f and the engaging ring groove 102d are on the same plane.

The two limiting convex blocks 102f are symmetrically arranged along the central line of the rotating shaft 102, the limiting clamping grooves 101h are communicated with the upper ends of the limiting convex blocks 102f, discs are arranged on the spring slope blocks 101i, the spring slope blocks 101i can be pushed to move in the limiting clamping grooves 101h conveniently, and the discs are inserted in the grooves.

The snap ring 201 is disposed in the snap ring groove 102d and is hinged to the rotary shaft 102.

The clamping ring 201 comprises a spring pressing block 201a and a connecting pin 201b, the spring pressing block 201a is arranged on the inner circumferential surface of the clamping ring 201, and the connecting pin 201b is hinged with one end of the clamping ring 201.

The spring pressing blocks 201a are provided in plurality, and the chucking ring 201 and the connection pins 201b are provided in two.

The pulling block 202 is hinged to the connecting pin 201 b.

The lower end of the pulling block 202 is provided with a pulling slide block 202a, the side surface of the pulling slide block 202a is provided with pulling clamping teeth 202b, the pulling slide block 202a is arranged in the limiting slide groove 102g, and the pulling clamping teeth 202b are symmetrically arranged in two along the central line of the pulling block 202.

The side of the handle 203 is provided with a driving plate 203a, the handle 203 is arranged in the limit chute 102g, and the pulling slide block 202a is positioned on the side of the driving plate 203 a.

The pressing rod 204 includes a spring slider 204a and a pressing block 204b, the spring slider 204a is disposed on the side of the pressing rod 204, the pressing block 204b is disposed on the side of the spring slider 204a, and the pressing rod 204 is disposed in the pulling groove 102 e.

The side surface of the driving plate 203a is contacted with the extrusion rod 204, the pulling slide block 202a and the driving plate 203a are positioned on the same side surface, and when the handle 203 is pulled manually, the extrusion rod 204 and the pulling slide block 202a are driven to displace.

The engaging column 205 includes two engaging extrusion grooves 205a and two disc springs 205b, the two engaging extrusion grooves 205a and the two disc springs 205b are disposed on the circumferential surface of the engaging column 205, the two disc springs 205b are disposed at the lower end of the engaging extrusion grooves 205a, and the two engaging columns 205 are disposed.

One end of the clamping column 205 is provided with a fixed clamping tooth 205c, the clamping column 205 is arranged in the cylindrical hole 102c, the sliding column 102a is arranged in the sliding groove 101a, and the fixed clamping tooth 205c is matched with the arc-shaped rack 101 b.

A sliding extrusion inclined surface 205a-1 is arranged in the clamping extrusion groove 205a, a cylindrical sliding groove 205a-2 is arranged on the sliding extrusion inclined surface 205a-1, and the extrusion block 204b penetrates through the cylindrical sliding groove 205a-2 and is arranged in the pulling groove 102 e.

When the device is not used, the rotating shaft 102 is in a vertical state, the fixed clamping teeth 205c on the two clamping columns 205 extend out from the cylindrical hole 102c and are clamped with the arc-shaped rack 101b in the sliding groove 101a to limit the rotation of the rotating shaft 102, and the part of the spring inclined plane block 101i positioned in the limiting clamping groove 101h extends out from the limiting clamping groove 101h and is arranged in the limiting sliding groove 102 g.

During the use, insert electroscope in electroscope 102b, extrude electroscope through spring extrusion piece 201a and carry out preliminary fixed, then the staff is according to the on-the-spot condition, and pulling handle 203 drives pulling slider 202a and extrusion pole 204 and takes place to remove together.

When the pulling sliding block 202a moves, the pulling sliding block 202a is driven to move integrally, then the pulling sliding block 202 drives the connecting pin 201b to move so as to drive the two clamping rings 201 to rotate, the spring extrusion block 201a is further fastened to the electroscope under pressure, the pulling sliding block 202a slides in the limiting sliding groove 102g to a certain distance, the pulling clamping teeth 202b and the spring inclined plane block 101i contact and extrude the spring inclined plane block 101i to move, when the pulling sliding block 202a does not move, the spring inclined plane block 101i and the pulling clamping teeth 202b are clamped and limit the pulling sliding block 202a to move backwards, and at the moment, the spring extrusion block 201a always extrudes the electroscope.

When the pulling slide block 202a moves, the extrusion rod 204 synchronously moves along with the pulling slide block, the spring slide block 204a slides in the pulling groove 102e, a spring on the spring slide block is extruded and deformed, the extrusion block 204b slides in the pulling groove 102e to a certain distance, then enters the clamping extrusion groove 205a, then contacts with the sliding extrusion inclined plane 205a-1 to extrude the sliding extrusion inclined plane 205a-1 to contract the clamping column 205, the disc spring 205b stretches, at the moment, the fixed latch 205c is not clamped with the arc-shaped rack 101b, the rotating shaft 102 can rotate, a worker can stop by rotating the handle 203 to a proper position, then the extrusion rod 204 and the clamping column 205 restore to the previous state under the action of the spring slide block 204a and the disc spring 205b, the fixed latch 205c is clamped with the arc-shaped rack 101b, then electroscopy work starts, and in the process, because the spring inclined plane block 101i is clamped with the pulling clamping latch 202b to limit the pulling slide block 202a to move backwards, at the spring extrusion block 201a presses the spring extrusion block, and the subsequent electroscope 203 can continuously adjust the rotating position of the rotating shaft 102.

The device can be flexibly adjusted according to the actual working condition, and is simple and labor-saving to operate.

After the work is completed, the rotating shaft 102 is returned to the vertical state, the spring slope block 101i is pushed to release the engagement between the spring slope block 101i and the pulling engagement tooth 202b, and the entire device is returned to the unused state.

This device moving as a whole is convenient, and the stable difficult production of electroscope rocks during the operation, and the staff can be alone the safe electroscope of putting down, avoids pounding the top and tests the electric position, and overall operation is simple, is fit for different places moreover, can freely adjust the smooth of work of being convenient for of position as required.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides an electricity device is tested in high altitude which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the moving assembly (100) comprises a placing frame (101), a rotating shaft (102), a fixing table (103), a rotating handle (104), a locking block (105) and a supporting frame (106), wherein the fixing table (103), the rotating handle (104) and the locking block (105) are respectively connected with the supporting frame (106), the rotating shaft (102) is connected with the placing frame (101), the placing frame (101) is connected with the fixing table (103), the rotating handle (104) is matched with the fixing table (103), and the locking block (105) is matched with the rotating handle (104);

a clamping assembly (200), the clamping assembly (200) cooperating with the rotating shaft (102).

2. An overhead electroscope apparatus as claimed in claim 1, wherein: the support frame (106) is including supporting cavity (106 a), first support rotation post (106 b), second support rotation post (106 c), locking groove (106 d) and movable pulley (106 e), support cavity (106 a) set up in inside support frame (106), first support rotation post (106 b) the second support rotation post (106 c) with locking groove (106 d) set up in support frame (106) upper end, movable pulley (106 e) set up in support frame (106) lower extreme.

3. An overhead electroscope apparatus as claimed in claim 2, wherein: the lower end of the fixed table (103) is provided with a fixed gear (103 a), and the fixed gear (103 a) is arranged in the supporting cavity (106 a) and is rotationally connected with the first supporting and rotating column (106 b).

4. A high altitude electroscope apparatus as claimed in claim 3, wherein: the lower end of the rotating handle (104) is provided with a rotating gear (104 a), the rotating gear (104 a) is placed in the supporting cavity (106 a) and is rotationally connected with a second supporting rotating column (106 c), and the fixed gear (103 a) is meshed with the rotating gear (104 a).

5. An overhead electroscope apparatus as claimed in claim 4, wherein: the locking block (105) is arranged in the locking groove (106 d);

the latch segment (105) includes locking spring (105 a) and push pedal latch (105 b), locking spring (105 a) set up in latch segment (105) side push pedal latch (105 b) set up in another side, push pedal latch (105 b) with running gear (104 a) cooperation.

6. An overhead electroscope apparatus as claimed in any one of claims 2 to 5, wherein: the clamping assembly (200) comprises a clamping ring (201), a pulling block (202), a handle (203), an extrusion rod (204) and a clamping column (205), the clamping ring (201), the handle (203), the extrusion rod (204) and the clamping column (205) are respectively matched with the rotating shaft (102), one end of the pulling block (202) is connected with the clamping ring (201), and the other end of the pulling block is matched with the handle (203).

7. An overhead electroscope apparatus as claimed in claim 6, wherein: the rack (101) comprises a sliding groove (101 a) and an arc-shaped rack (101 b), the sliding groove (101 a) is formed in the side face of the rack (101), and the arc-shaped rack (101 b) is formed in the sliding groove (101 a).

8. A high altitude electroscope apparatus as claimed in claim 7, wherein: the rotating shaft (102) comprises a sliding column (102 a), an electroscope groove (102 b), a cylindrical hole (102 c), a clamping ring groove (102 d), a pulling groove (102 e), a limiting lug (102 f), a limiting sliding groove (102 g), a limiting clamping groove (101 h) and a spring slope block (101 i), the sliding column (102 a) is arranged on the side surface of the rotating shaft (102), the electroscope groove (102 b) is arranged at the upper end of the sliding column (102 a), the cylindrical hole (102 c) is arranged on the side surface of the sliding column (102 a), the clamping ring groove (102 d) is arranged on the side surface of the rotating shaft (102) and communicated with the electroscope groove (102 b), the pulling groove (102 e) is arranged on the other side surface in a penetrating manner and communicated with the cylindrical hole (102 c), the limiting lug (102 f) is arranged on the side surface of the rotating shaft (102) and positioned at the lower end of the clamping ring groove (102 d), the limiting sliding groove (102 g) is arranged on the side surface of the limiting lug (102 f), the clamping groove (101 h) is arranged on the inner wall of the limiting sliding groove (101 i), and the spring slope block (101 i) is arranged in the limiting groove (101 i).

9. An overhead electroscope apparatus as claimed in claim 8, wherein: the clamping ring (201) is arranged in the clamping ring groove (102 d) and is hinged with the rotating shaft (102);

the clamping ring (201) comprises a spring extrusion block (201 a) and a connecting pin (201 b), the spring extrusion block (201 a) is arranged on the inner circumferential surface of the clamping ring (201), and the connecting pin (201 b) is hinged with one end of the clamping ring (201).

10. An overhead electroscope as claimed in claim 9, wherein: the pulling block (202) is hinged with the connecting pin (201 b);

a pulling sliding block (202 a) is arranged at the lower end of the pulling block (202), pulling clamping teeth (202 b) are arranged on the side face of the pulling sliding block (202 a), and the pulling sliding block (202 a) is arranged in the limiting sliding groove (102 g);

the side surface of the handle (203) is provided with a driving plate (203 a), the handle (203) is arranged in the limiting sliding groove (102 g), and the pulling sliding block (202 a) is positioned on the side surface of the driving plate (203 a).

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