CN109459602B - High-voltage electroscope capable of adjusting length - Google Patents
High-voltage electroscope capable of adjusting length Download PDFInfo
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- CN109459602B CN109459602B CN201810623788.XA CN201810623788A CN109459602B CN 109459602 B CN109459602 B CN 109459602B CN 201810623788 A CN201810623788 A CN 201810623788A CN 109459602 B CN109459602 B CN 109459602B
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- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 abstract description 14
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 12
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 229910052754 neon Inorganic materials 0.000 description 3
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
Abstract
The invention discloses a high-voltage electroscope capable of adjusting length, which comprises a grab handle, an insulating section and an electroscope head, wherein the insulating section is positioned between the grab handle and the electroscope head, a telescopic section is also arranged between the insulating section and the grab handle, the telescopic section comprises a fixed shell section and a movable shell section module consisting of a plurality of movable shell sections, the movable shell section module and the fixed shell section are nested in a sliding mode, the electroscope head is arranged on the movable shell section module, a main spring is arranged in a cavity of the telescopic section, two ends of the main spring are respectively abutted against the end part of the fixed shell section and the movable shell section module, and a propelling locking device capable of preventing the movable shell section module from extending is arranged on the telescopic section. The invention can adjust the whole length of the high-voltage electroscope, thereby being capable of penetrating into a special position to test the electricity of the detection points which cannot be touched originally, leading the high-voltage electroscope to have stronger adaptability to different working environments, and enlarging the application range.
Description
Technical Field
The invention relates to an electrician detection device, in particular to a high-voltage electroscope with adjustable length.
Background
The high-voltage electroscope is structurally divided into an indicator and a support, wherein the indicator comprises a tube body made of insulating materials, a working contact made of metal is arranged on the upper section of the tube body, and a neon lamp and a capacitor are arranged in the tube body. The holder is composed of an insulating part and a hand-held part, and the insulating part and the hand-held part are made of bakelite or hard rubber. When the working contact of the high-voltage electroscope is close to or contacts the equipment with the point, the capacitance current passes through the neon lamp, and the neon lamp is lighted to indicate that the equipment is electrified. The current electroscope can not stretch out and draw back the length, and to some more special check points in position, like in the hole of darker, the inside in narrow and small space etc. it is comparatively difficult to carry out electroscope work. The invention patent with publication number CN104849533A discloses a high-voltage electroscope in 2015, 8.19.8.19, which comprises an electroscope body, wherein a signal acquisition module, a signal processing module, a signal detection and analysis module and a power supply are arranged in the electroscope body; the signal acquisition module comprises a distance measuring device and an ultraviolet sensor, and the ultraviolet sensor is provided with a capacitor, a driving circuit, a rectifier and a filter; the signal processing module comprises a digital and signal processing device and a signal transmitter, the digital and signal processing device is provided with a signal converter, a storage, an alarm device, a display device and a temperature and humidity collector, and the signal detection and analysis module comprises an online detection device and a remote transmission device; the electroscope body is provided with a switch button, a mounting hole and an operating handle. The invention has the beneficial effects that: the ultraviolet sensor can convert ultraviolet signals into measurable electric signals, can detect circuits in a long distance, does not need to contact a high-voltage cable or electrified equipment, and is accurate in electricity testing result. However, the high-voltage electroscope cannot adjust the length and cannot perform electricity testing operation on detection points at special positions in deep holes, narrow spaces and the like.
Disclosure of Invention
The invention provides the high-voltage electroscope which has the advantages that the length can be adjusted, the electricity testing operation can be conveniently carried out on detection points at special positions in a deeper hole, a narrow space and the like, and the application range is expanded.
The technical scheme of the invention is as follows: the utility model provides a high-voltage electroscope that can adjust length, including the grab handle, insulating section and test the electricity head, insulating section is located the grab handle and tests between the electricity head, still be equipped with flexible section between insulating section and grab handle, flexible section is including fixed shell festival and the activity shell festival module that comprises a plurality of activity shell festival, activity shell festival module slides and inlays in fixed shell festival, it locates on the activity shell festival module to test the electricity head, be equipped with the main spring in the cavity of flexible section, the main spring both ends butt respectively is on fixed shell festival tip and activity shell festival module, be equipped with the propulsion locking ware that can prevent the extension of activity shell festival module in the flexible section. When propelling the locking ware and will move about shell festival module locking, the unable extension of activity shell festival module in the contraction state, this high-voltage electroscope can use like ordinary high-voltage electroscope this moment for the electroscope operation of conventional check point. If the detection points are located in special positions such as a deep hole and the inside of a narrow space, the length of the high-voltage electroscope is not enough, or an operator cannot be close to the detection points enough, so that the electroscope cannot touch the detection points, the locking of the propelling locking device on the movable shell section module can be released, the movable shell section module can slide along the axial direction of the fixed shell section, if the movable shell section module consists of a plurality of movable shell sections, the relative positions of the movable shell sections can be changed, the telescopic section is extended, the whole length of the high-voltage electroscope is also extended, and therefore the detection points which cannot be touched originally can be tested in the special positions. The invention has stronger adaptability to different working environments and enlarges the application range.
Preferably, the propelling locking device comprises a supporting cylinder, a plurality of groups of movable shell section buckles capable of being folded and unfolded and buckle driving motors corresponding to the movable shell section buckles, the number of the movable shell section buckles is the same as that of the movable shell sections, the movable shell section buckles of each group are matched with the movable shell sections in a one-to-one correspondence manner, the buckle driving motors are fixed on the supporting cylinder, a buckle groove capable of accommodating the movable shell section buckles capable of being folded and hidden is arranged on the supporting cylinder, one end of each movable shell section buckle is hinged in the buckle groove, the output shaft of each buckle driving motor is connected with a buckle driving screw rod, each buckle driving screw rod is respectively in threaded connection with a corresponding push rod, each movable shell section buckle is connected with a connecting rod, two ends of each connecting rod are respectively hinged with the movable shell section buckle and the push rod corresponding to the movable shell section buckle, the distance from the highest point of the movable shell section buckle in the unfolded state to the axis of the supporting cylinder is larger than the inner diameter of the fixed shell section or the movable shell section sleeved outside the corresponding movable shell section, the distance from the highest point of the movable shell section buckle in the retracted state to the axis of the support cylinder body is smaller than the inner diameter of the fixed shell section or the movable shell section sleeved outside the corresponding movable shell section. When the buckle driving motor works, the buckle driving screw rod is driven to rotate, the screwing motion between the buckle driving screw rod and the push rod is converted into axial pushing to push the push rod to translate, and then the movable shell section buckle is driven to overturn around a hinge point through the connecting rod, and the folding state and the unfolding state are switched, when the movable shell section buckle is unfolded, the highest point of the movable shell section buckle exceeds the cavity of the corresponding fixed shell section or movable shell section, so that the movable shell section can be interfered with the corresponding fixed shell section or movable shell section, the movable shell section is prevented from axially moving, and the effect of locking the movable shell section is achieved; when the movable shell section is buckled and collected, the highest point of the buckle of the movable shell section is smaller than the cavity of the corresponding fixed shell section or the movable shell section, and the movable shell section cannot form interference with the corresponding fixed shell section or the movable shell section, so that the movable shell section cannot be prevented from moving axially, and the movable shell section can freely slide axially at the moment.
Preferably, the grab handle is provided with a motor switch which is electrically connected with each buckle driving motor through a controller. The motor switch controls the operation of each fastener driving motor, and the folding and unfolding control of the movable shell section fasteners is conveniently realized, so that the required length of the telescopic section is obtained.
Preferably, each set of movable shell section buckles comprises two movable shell section buckles and the two movable shell section buckles are symmetrical about the axis of the support cylinder. The movable shell section buckles arranged in pairs have more stable and balanced stress structures, and the folding and unfolding control of the movable shell sections is easier to realize.
Preferably, the movable shell section module is of a multi-stage structure and comprises a plurality of movable shell sections, each movable shell section is slidably nested section by section, the first movable shell section is slidably nested with the fixed shell section, the electricity testing head is arranged on the last movable shell section, the main spring is abutted against the last movable shell section, and the supporting cylinder is fixedly connected to the last movable shell section. The movable shell section module with the multi-stage structure has a larger telescopic range, more adjustment stages and can meet more different adjustment requirements.
Preferably, the movable shell sections of each group are buckled on the circumferential surface of the supporting cylinder body in a staggered distribution. For the movable shell section module with the multilevel structure, the staggered distribution of the buckles of each group of movable shell sections can make full use of the space to carry out easier-to-implement structural layout, and reduce mutual interference.
Alternatively, the movable shell section module is of a single-stage structure and comprises a movable shell section, the movable shell section and the fixed shell section are nested in a sliding mode, the electricity testing head is arranged on the movable shell section, the main spring is abutted against the movable shell section, and the supporting cylinder body is fixedly connected to the movable shell section. The movable shell section module with a single-stage structure is adopted, so that the structure of the high-voltage electroscope can be simplified, and the high-voltage electroscope is easier to manufacture.
Preferably, a buckle return spring is arranged between the movable shell joint buckle and the supporting cylinder, and two ends of the buckle return spring are connected with the movable shell joint buckle and the supporting cylinder in a hooked mode respectively. When the buckle driving motor is closed, the buckle reset spring can push the movable shell section buckle to reset, so that the movable shell section buckle is in a state of locking the movable shell section in a natural state.
Preferably, the inner walls of the fixed shell section and the movable shell section are provided with sliding grooves, the peripheral surface of the movable shell section is fixedly provided with a wedge block, the wedge block on the movable shell section is in sliding fit with the sliding groove on the corresponding fixed shell section in a matching manner between the fixed shell section and the movable shell section in a nesting manner, and the wedge block on the movable shell section is in sliding fit with the sliding groove on the other corresponding movable shell section in a matching manner between the two movable shell sections in the nesting manner. Through the cooperation of voussoir and spout, can realize sliding nestification between movable shell festival and the fixed shell festival to and movable shell festival each other.
Preferably, both ends of the sliding chute are closed, a tension spring is arranged between the wedge block and the corresponding sliding chute, and both ends of the tension spring are respectively abutted against one end wall of the wedge block and one end wall of the sliding chute. When the movable shell section module extends out, the tensioning spring enables the fixed shell section, the movable shell section and the movable shell section to be mutually exclusive and kept tensioned, and the problem that the extending length of the movable shell section module cannot be kept stable due to the fact that the movable shell section module extends and retracts in an uncontrolled mode in the axial direction is avoided.
The beneficial effects of the invention are:
the applicability of the high-voltage electroscope is improved. The invention can adjust the whole length of the high-voltage electroscope, thereby being capable of testing electricity for the detection points which cannot be touched originally by penetrating into special positions, leading the high-voltage electroscope to have stronger adaptability to different working environments and enlarging the application range.
Drawings
FIG. 1 is a schematic view of a structure according to the present invention;
FIG. 2 is a schematic view of a telescopic section according to the present invention;
FIG. 3 is a schematic cross-sectional view of the telescopic section according to the present invention;
FIG. 4 is an axial view of the advancing latch of the present invention;
FIG. 5 is a schematic view of a first movable shell segment of the present invention;
FIG. 6 is a schematic view of a second movable shell segment of the present invention;
FIG. 7 is a schematic view of a third movable shell segment fastener of the present invention;
FIG. 8 is a schematic view of the first movable shell section of the present invention in an extended state;
FIG. 9 is a schematic view showing the state of the telescopic section of the present invention when it is contracted as a whole.
In the figure, 1-grab handle, 2-insulating section, 3-electroscope head, 4-fixed shell section, 5-movable shell section, 6-main spring, 7-propulsion lock, 8-support cylinder, 9-movable shell section buckle, 10-buckle driving motor, 11-buckle groove, 12-connecting rod, 13-push rod, 14-buckle driving screw rod, 15-sliding groove, 16-wedge block, 17-tension spring, 18-motor switch, 19-bracket, 20-locking step and 21-buckle reset spring.
Detailed Description
The invention is further illustrated by the following specific embodiments in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 9, a high-voltage electroscope that can adjust length, including grab handle 1, insulating section 2 and test the first 3 of electricity, insulating section 2 is located grab handle 1 and tests between the first 3 of electricity, still is equipped with flexible section between insulating section 2 and grab handle 1, and flexible section is including fixed shell festival 4 and activity shell festival module. The electricity testing head 3 is arranged on the movable shell section module, a main spring 6 is arranged in the cavity of the telescopic section, two ends of the main spring 6 are respectively abutted against the end part of the fixed shell section 4 and the movable shell section module, and a propelling locking device 7 capable of preventing the movable shell section module from extending is arranged on the telescopic section. The end part of the fixed shell section 4 is fixed with a bracket 19, the bracket 19 is fixedly connected with the grab handle 1, the end part of the bracket 19 is provided with an opening containing cavity, and the end part of the main spring 6 is positioned in the opening containing cavity. The movable shell section module is of a multi-stage structure and comprises three movable shell sections 5 which are respectively a first movable shell section, a second movable shell section and a third movable shell section, wherein each movable shell section 5 is coaxially and slidably nested section by section, the first movable shell section is slidably sleeved outside the second movable shell section, the second movable shell section is slidably sleeved outside the third movable shell section, and the fixed shell section 4 is sleeved outside the first movable shell section 5, namely the first movable shell section. A storage space exists between the stationary shell section 4 and the bracket 19, the storage space having an inner diameter greater than the inner diameter of the stationary shell section 4, thereby forming a locking step 20. The inner walls of the fixed shell section 4 and the movable shell section 5 are provided with sliding grooves 15, the peripheral surface of the movable shell section 5 is fixedly provided with a wedge block 16, and the wedge block 16 on the first movable shell section is in sliding fit with the sliding grooves 15 on the corresponding fixed shell section 4 between the fixed shell section 4 and the movable shell section 5 which are in nested fit. Between the two movable shell sections 5 which are in nested fit, the wedge block 16 on the second movable shell section is in sliding fit with the sliding groove 15 on the corresponding first movable shell section in a matching mode, and the wedge block 16 on the third movable shell section is in sliding fit with the sliding groove 15 on the corresponding second movable shell section in a matching mode. Both ends of the sliding chute 15 are closed, a tension spring 17 is arranged between the wedge block 16 and the corresponding sliding chute 15, and both ends of the tension spring 17 are respectively abutted with the end wall of one end of the wedge block 16 and the end wall of one end of the sliding chute 15. The electroscopic head 3 is arranged on the last movable shell section 5, namely the third movable shell section, and the main spring 6 is abutted against the last movable shell section 5, namely the third movable shell section. The propelling locking device 7 comprises a support cylinder 8, three groups of movable shell joint buckles 9 capable of being retracted and unfolded and three buckle driving motors 10 corresponding to the movable shell joint buckles 9 one by one. The three groups of movable shell section buckles 9 comprise a first movable shell section buckle, a second movable shell section buckle and a third movable shell section buckle which are respectively matched with the first movable shell section, the second movable shell section and the third movable shell section in a one-to-one correspondence manner. The three buckle driving motors 10 include a first buckle driving motor, a second buckle driving motor, and a third buckle driving motor, which respectively correspond to the first movable shell section, the second movable shell section, and the third movable shell section. The supporting cylinder body 8 is fixedly connected to the last movable shell section 5, namely the third movable shell section, the movable shell section buckles 9 of each group are distributed on the circumferential surface of the supporting cylinder body 8 in a staggered mode, 60-degree angles are staggered between the first movable shell section buckle and the second movable shell section buckle, and 60-degree angles are staggered between the second movable shell section buckle and the third movable shell section buckle. Each set of movable shell section buckles 9 consists of two movable shell section buckles 9 and the two movable shell section buckles 9 are symmetrical about the axis of the support cylinder 8. The buckle driving motor 10 is fixed on the supporting cylinder 8, the supporting cylinder 8 is provided with a buckle groove 11 in which a retractable movable shell section buckle 9 is hidden, one end of the movable shell section buckle 9 is hinged on the inner wall of the buckle groove 11, an output shaft of each buckle driving motor 10 is connected with a buckle driving screw 14, each buckle driving screw 14 is respectively in threaded connection with a corresponding push rod 13, the movable shell section buckle 9 is connected with a connecting rod 12, and two ends of the connecting rod 12 are respectively hinged with the movable shell section buckle 9 and the push rod 13 corresponding to the movable shell section buckle 9. The distance from the highest point of the movable shell section buckle 9 in the unfolding state to the axis of the support cylinder 8 is greater than the inner diameter of the fixed shell section 4 or the movable shell section 5 sleeved outside the corresponding movable shell section 5, namely, when the first movable shell section buckle is unfolded, the distance from the highest point of the first movable shell section buckle to the axis of the support cylinder 8 is greater than the inner diameter of the fixed shell section 4; when the second movable shell section buckle is unfolded, the distance from the highest point of the second movable shell section buckle to the axis of the support cylinder 8 is greater than the inner diameter of the first movable shell section and is smaller than the inner diameter of the fixed shell section 4; when the third movable shell section buckle is unfolded, the distance from the highest point of the third movable shell section buckle to the axis of the support cylinder 8 is larger than the inner diameter of the second movable shell section and smaller than the inner diameter of the first movable shell section. The distance from the highest point of the movable shell section buckle 9 in the retracted state to the axis of the support cylinder 8 is less than the inner diameter of the fixed shell section 4 or the movable shell section 5 sleeved outside the corresponding movable shell section 5, namely, when the first movable shell section buckle is unfolded, the distance from the highest point of the first movable shell section buckle to the axis of the support cylinder 8 is less than the inner diameter of the fixed shell section 4; when the second movable shell section buckle is unfolded, the distance from the highest point of the second movable shell section buckle to the axis of the support cylinder 8 is smaller than the inner diameter of the first movable shell section; when the third movable shell section buckle is unfolded, the distance from the highest point of the third movable shell section buckle to the axis of the support cylinder body 8 is smaller than the inner diameter of the second movable shell section. The grab handle 1 is provided with a motor switch 18, and the motor switch 18 is electrically connected with each buckle driving motor 10 through a controller. A buckle reset spring 21 is arranged between the movable shell section buckle 9 and the support cylinder 8, and two ends of the buckle reset spring 21 are respectively connected with the movable shell section buckle 9 and the support cylinder 8 in a hooking manner.
When the telescopic section of the high-voltage electroscope is in a contracted state, the third movable shell section is integrally contracted into the second movable shell section, the second movable shell section is integrally contracted into the first movable shell section, the first movable shell section is integrally contracted into the fixed shell section 4, the main spring 6 is compressed to the limit and is hidden into the open cavity of the bracket 19, the supporting cylinder 8 is also partially embedded into the open cavity, and the first movable shell section is buckled and unfolded to clamp the locking step 20; the second movable shell section is buckled and unfolded to clamp the inner port of the first movable shell section; the third movable shell section is buckled and unfolded to clamp the inner port of the second movable shell section. When the motor switch 18 is pressed for the first time, the first buckle drives the motor to rotate, the buckle driving screw 14 drives the push rod 13 to translate, the movable shell section buckle 9 is further pulled to turn around a hinge point through the connecting rod 12, the first movable shell section buckle is folded and hidden into the corresponding buckle groove 11, the locking of the first movable shell section and the fixed shell section 4 is released, the main spring 6 overcomes the tension of the tension spring 17 between the first movable shell section and the fixed shell section 4, and the third movable shell section is pushed to extend out of the fixed shell section 4 together with the first movable shell section and the second movable shell section; similarly, when the motor switch 18 is pressed down for the second time, the second buckle drives the motor to rotate, the second movable shell section is buckled and folded, the locking between the first movable shell section and the second movable shell section is released, and the third movable shell section and the second movable shell section extend out of the first movable shell section together under the pushing of the main spring 6; when the motor switch 18 is pressed down for the third time, the third buckle drives the motor to rotate, the third movable shell section is buckled and folded, and the main spring 6 pushes the third movable shell section to extend out of the second movable shell section. When the motor switch 18 is pressed down to the fourth position, all the fasteners drive the motor 10 to be powered off, all the movable shell sections 5 and the fixed shell sections 4 can be directly compressed and folded by hands at the moment, and all the movable shell section fasteners 9 automatically unfold under the action of the fastener return springs 21 to restore the locking states between the movable shell sections 5 and the fixed shell sections 4 and between the movable shell sections 5.
Example 2:
the movable shell section module is of a single-stage structure and comprises a movable shell section 5, correspondingly, only one group of movable shell section buckles 9 is provided, and only one buckle driving motor 10 is provided. The movable shell section 5 and the fixed shell section 4 are nested in a sliding mode, the electricity testing head 3 is arranged on the movable shell section 5, the main spring 6 is abutted against the movable shell section 5, and the supporting cylinder 8 is fixedly connected to the movable shell section 5. The rest is the same as example 1.
Example 3:
the movable shell section module is of a multi-stage structure and comprises two movable shell sections 5. The rest is the same as example 1.
Claims (9)
1. A high-voltage electroscope capable of adjusting length comprises a grab handle (1), an insulation section (2) and an electroscope head (3), wherein the insulation section (2) is positioned between the grab handle (1) and the electroscope head (3), the high-voltage electroscope is characterized in that a telescopic section is further arranged between the insulation section (2) and the grab handle (1), the telescopic section comprises a fixed shell section (4) and a movable shell section module consisting of a plurality of movable shell sections (5), the movable shell section module is embedded in the fixed shell section (4) in a sliding manner, the electroscope head (3) is arranged on the movable shell section module, a main spring (6) is arranged in a cavity of the telescopic section, two ends of the main spring (6) are respectively abutted against the end part of the fixed shell section (4) and the movable shell section module, a propelling locking device (7) capable of preventing the movable shell section module from extending is arranged on the telescopic section, the propelling locking device (7) comprises a supporting barrel body (8), a plurality of movable shell section buckles (9) capable of being unfolded and buckle driving motors (9) corresponding to the movable shell section buckles (9) one by one 10) The number of the groups of the movable shell section buckles (9) is the same as the number of the movable shell sections (5), each group of the movable shell section buckles (9) is matched with each movable shell section (5) in a one-to-one correspondence mode, the buckle driving motors (10) are fixed on the supporting barrel body (8), the supporting barrel body (8) is provided with a buckle groove (11) which can accommodate and retract the movable shell section buckles (9) in a hidden mode, one end of each movable shell section buckle (9) is hinged in the buckle groove (11), the output shafts of each buckle driving motor (10) are respectively connected with buckle driving screw rods (14), each buckle driving screw rod (14) is respectively in threaded connection with a corresponding push rod (13), each movable shell section buckle (9) is connected with a connecting rod (12), two ends of each connecting rod (12) are respectively hinged with the movable shell section buckle (9) and the push rod (13) corresponding to the movable shell section buckle (9), the distance from the highest point of the movable shell section buckle (9) in an unfolded state to the axis of the supporting barrel body (8) is larger than that of the corresponding movable shell section (5) sleeved with the movable shell section (5) ) The distance from the highest point of the movable shell section buckle (9) in a retracted state to the axis of the support cylinder body (8) is smaller than the inner diameter of the fixed shell section (4) or the movable shell section (5) sleeved outside the corresponding movable shell section (5).
2. The high-voltage electroscope capable of adjusting the length according to claim 1, wherein the handle (1) is provided with a motor switch (18), and the motor switch (18) is electrically connected with each buckle driving motor (10) through a controller.
3. High-voltage electroscope with adjustable length according to claim 1, characterized in that each set of movable shell-section snap-fits (9) comprises two movable shell-section snap-fits (9) and the two movable shell-section snap-fits (9) are symmetrical with respect to the axis of the support cylinder (8).
4. The high-voltage electroscope capable of adjusting the length according to claim 1, wherein the movable shell section module is of a multi-stage structure and comprises a plurality of movable shell sections (5), each movable shell section (5) is slidably nested section by section, the first movable shell section (5) is slidably nested with the fixed shell section (4), the electroscope head (3) is arranged on the last movable shell section (5), the main spring (6) is abutted against the last movable shell section (5), and the support cylinder (8) is fixedly connected on the last movable shell section (5).
5. The high-voltage electroscope capable of adjusting length as claimed in claim 1, wherein the groups of movable shell joint buckles (9) are distributed on the circumferential surface of the supporting cylinder (8) in a staggered manner.
6. The high-voltage electroscope capable of adjusting the length according to claim 1, wherein the movable shell section module is of a single-stage structure and comprises a movable shell section (5), the movable shell section (5) is slidably nested with the fixed shell section (4), the electroscope head (3) is arranged on the movable shell section (5), the main spring (6) is abutted against the movable shell section (5), and the support cylinder (8) is fixedly connected on the movable shell section (5).
7. The high-voltage electroscope capable of adjusting length according to claim 1, wherein a buckle return spring (21) is arranged between the movable shell joint buckle (9) and the support cylinder (8), and two ends of the buckle return spring (21) are respectively connected with the movable shell joint buckle (9) and the support cylinder (8) in a hooking manner.
8. The high-voltage electroscope capable of adjusting the length according to any one of claims 1 to 7, wherein the fixed shell section (4) and the movable shell section (5) are provided with sliding grooves (15) on the inner walls thereof, the peripheral surface of the movable shell section (5) is fixedly provided with wedge blocks (16), between the fixed shell section (4) and the movable shell section (5) which are nested and matched, the wedge blocks (16) on the movable shell section (5) are in sliding fit with the corresponding sliding grooves (15) on the fixed shell section (4), and between the two movable shell sections (5) which are nested and matched, the wedge blocks (16) on the movable shell section (5) are in sliding fit with the corresponding sliding grooves (15) on the other movable shell section (5).
9. A high-voltage electroscope with adjustable length according to claim 8, characterized in that the sliding slot (15) is closed at both ends, a tension spring (17) is arranged between the wedge block (16) and the corresponding sliding slot (15), and both ends of the tension spring (17) are respectively abutted with the end wall of one end of the wedge block (16) and the end wall of one end of the sliding slot (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623788.XA CN109459602B (en) | 2018-06-15 | 2018-06-15 | High-voltage electroscope capable of adjusting length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623788.XA CN109459602B (en) | 2018-06-15 | 2018-06-15 | High-voltage electroscope capable of adjusting length |
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| Publication Number | Publication Date |
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| CN109459602A CN109459602A (en) | 2019-03-12 |
| CN109459602B true CN109459602B (en) | 2022-08-23 |
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| CN201810623788.XA Active CN109459602B (en) | 2018-06-15 | 2018-06-15 | High-voltage electroscope capable of adjusting length |
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|---|---|---|---|---|
| CN113608012A (en) * | 2021-06-24 | 2021-11-05 | 贵州电网有限责任公司 | High-voltage electricity testing device convenient for range adjustment |
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| CN105510685A (en) * | 2016-01-12 | 2016-04-20 | 国家电网公司 | Semi-automatic electricity testing device for electric power security |
| CN106124833A (en) * | 2016-05-30 | 2016-11-16 | 国网山东省电力公司曹县供电公司 | Electroscopic device |
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| CN109459602A (en) | 2019-03-12 |
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