An electroscope

Abstract

The present invention belongs to the technical field of electrical testing, and discloses an electrical tester. The electrical tester includes a base, a height adjustment mechanism, an angle adjustment mechanism, and a contact. The height adjustment mechanism is arranged on the base, and the contact is arranged at one end of the height adjustment mechanism away from the base. The height adjustment mechanism is configured to be able to adjust the height of the contact, and the contact is used to contact the object to be tested to test the electricity; the angle adjustment mechanism includes a connecting tube, a holding rod, a connecting ball, and a rotating assembly. The connecting tube is fixed on the base, the height adjustment mechanism is arranged on the holding rod, and a part of the spherical surface of the connecting ball is fixedly connected to the connecting tube; the holding rod is rotatably connected to another part of the spherical surface through the rotating assembly to change the angle between the holding rod and the horizontal plane. The present invention realizes the height and angle adjustment of the electrical tester, improves the convenience of adjusting the contact position of the electrical tester, improves the work efficiency, avoids the instability of manual operation, and reduces the labor cost.

Description

Technical Field

[0001] The invention relates to the technical field of high-voltage line electrical testing, and in particular to an electrical tester. Background Art

[0002] An electroscope is an instrument that can detect whether an object is charged and roughly estimate the amount of charge.

[0003] Commonly used testers are mostly hand-held testers with a test contact on the top. The test contact is brought into contact with the object to be tested or the live part of the object to be tested by manually holding the handle. This manual hand-held method increases the difficulty of manual operation, especially in high-voltage transmission lines, where the height of the object to be tested is high and the position is relatively complex. The manual method increases the labor intensity of the staff. In addition, when the position of the tester is maintained manually, it is also difficult to maintain the established position of the tester. Summary of the invention

[0004] The object of the present invention is to provide an electroscope for improving working efficiency, facilitating contact position adjustment, reducing labor intensity of workers, reducing instability of manual operation and reducing labor costs.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] An electroscope, comprising:

[0007] Base;

[0008] A height adjustment mechanism and a contact, wherein the height adjustment mechanism is arranged on the base, the contact is arranged at one end of the height adjustment mechanism away from the base, the height adjustment mechanism is configured to be able to adjust the height of the contact, and the contact is used to contact the object to be tested to test electricity;

[0009] The angle adjustment mechanism comprises a connecting tube, a holding pole, a connecting ball and a rotating assembly, wherein the connecting tube is fixed on the base, the height adjustment mechanism is arranged on the holding pole, a spherical part of the connecting ball is fixedly connected to the connecting tube; the holding pole is rotatably connected to another spherical part through the rotating assembly to change the angle between the holding pole and the horizontal plane.

[0010] As a preferred solution of an electroscope, one end of the height adjustment mechanism away from the base is rotatably connected to a connecting platform, the contact is fixed on the connecting platform, and the connecting platform can rotate along a horizontal plane.

[0011] As a preferred solution for an electroscope, a plurality of slots are provided at the bottom of the holding rod, and the rotating assembly includes an adsorption block, which is arranged in the slot, one end of the adsorption block is connected to the bottom of the slot, and the other end of the adsorption block is slidably connected to the spherical surface of the connecting ball.

[0012] As a preferred solution of an electroscope, a compression spring is arranged in the slot, and the adsorption block is connected to the bottom of the slot through the compression spring.

[0013] As a preferred solution of an electroscope, the electroscope further includes an aiming device, and the aiming device is fixed on the outer wall of the holding rod.

[0014] As a preferred solution of an electroscope, a connecting sleeve is provided at one end of the holding rod close to the contact, a rotating rod is provided on the outer wall of the connecting sleeve, the aiming device is rotatably connected to the rotating rod, and the aiming device can rotate around the axial direction of the rotating rod.

[0015] As a preferred solution of an electroscope, the aiming device includes a connecting rod and a frame; a groove and a wedge block arranged inside the groove are provided along the outer wall of the bottom of the connecting rod; the wedge block is connected to the bottom of the groove through a spring, and a snap-fit ​​groove is provided on the circumference of the rotating rod, and the wedge block can be snapped into the snap-fit ​​groove.

[0016] As a preferred solution of an electroscope, the electroscope also includes a plurality of support rods, which are distributed circumferentially along the connecting sleeve, one end of the support rod is hinged to the connecting sleeve through a pin, and the other end of the support rod is provided with a support foot, which can be fixedly connected to the ground.

[0017] As a preferred solution of an electroscope, the support rod is a telescopic rod.

[0018] As a preferred solution of an electroscope, the height adjustment mechanism includes a telescopic rod, and the telescopic rod is arranged inside the holding rod. The electroscope also includes a driving device, and the driving device can drive the telescopic rod to extend or shorten.

[0019] Beneficial effects: In the present invention, the height adjustment mechanism is arranged on the base, and the contact is arranged at one end of the height adjustment mechanism away from the base. The height of the contact is stably adjusted by the height adjustment mechanism, so that the electroscope can meet the height requirements of different objects to be measured. At the same time, the connecting tube is fixed on the base, and the spherical surface of the connecting ball is fixedly connected to the connecting tube; the holding rod is rotatably connected to the other part of the spherical surface through the rotating assembly to change the angle between the holding rod and the horizontal plane. The height adjustment mechanism is arranged on the holding rod, and the holding rod drives the height adjustment mechanism to rotate through the rotation of the rotating assembly, thereby changing the angle between the holding rod and the horizontal plane, and further realizing the angle adjustment of the electroscope. The present invention reduces the labor intensity of manually holding the electroscope, and at the same time, by adding height and angle adjustment, it improves the convenience of adjusting the contact position of the electroscope, improves work efficiency, avoids the instability of manual operation, and reduces labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is an isometric view of an electroscope provided in the first embodiment of the present invention from a first viewing angle;

[0021] Figure 2 is an axonometric diagram of an electroscope provided in the first embodiment of the present invention from a second viewing angle;

[0022] Figure 3 It is a front view of an electroscope provided in the first embodiment of the present invention;

[0023] Figure 4 It is a partial schematic diagram of the connection between the holding pole and the connecting ball provided in the first embodiment of the present invention;

[0024] Figure 5 yes Figure 1 A local enlarged view at point A;

[0025] Figure 6 is a schematic diagram of the connection between the aiming device and the rotating rod provided in the second embodiment of the present invention;

[0026] Figure 7 yes Figure 6 A partial enlarged view of point B in the middle.

[0027] In the figure:

[0028] 100, base; 200, height adjustment mechanism; 210, telescopic rod; 220, connecting platform; 300, contact; 400, connecting tube; 410, holding rod; 411, slot; 412, adsorption block; 413, compression spring; 420, connecting ball; 430, connecting sleeve; 440, rotating rod; 441, slot; 500, aiming device; 510, connecting rod; 511, groove; 512, wedge block; 520, frame; 530, spring; 600, supporting rod; 610, supporting foot; 700, driving device; 810, push rod; 820, handle. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0030] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0033] Please see attached Figure 1-Attached Figure 3 In this embodiment, an electrical tester includes a base 100, a height adjustment mechanism 200, an angle adjustment mechanism and a contact 300. The height adjustment mechanism 200 is arranged on the base 100, and the base 100 is a flat plate as a whole, providing support for the entire device; the contact 300 is arranged at one end of the height adjustment mechanism 200 away from the base 100, and the contact 300 is used to directly contact the object to be tested for electrical testing. As a part used to directly contact the charged body to detect the charge or amount of charge, the contact 300 has good wear resistance and corrosion resistance. At the same time, the contact 300 and the height adjustment mechanism 200 are detachably connected, which is convenient for timely replacement of the contact 300; the height adjustment mechanism 200 is configured to be able to adjust the height of the contact 300, and the height adjustment of the contact 300 can be easily achieved through the height adjustment mechanism 200, so that the contact 300 can adapt to different height measurement environments.

[0034] In this embodiment, the height adjustment mechanism 200 further includes a telescopic rod 210, which is disposed inside the holding rod 410. At the same time, a connecting platform 220 is rotatably connected to one end of the telescopic rod 210 away from the base 100, and the contact 300 is fixed on the connecting platform 220, and the connecting platform 220 can rotate along a horizontal plane. The telescopic rod 210 can be used to conveniently adjust the height of the contact 300. Of course, those skilled in the art can also understand that other linear height adjustment mechanisms can also achieve the height adjustment of the contact 300, such as a worm gear mechanism, a crank slider mechanism, or directly using a linear cylinder to drive the contact 300 to adjust its height.

[0035] Preferably, a connection platform 220 is provided between the contact 300 and the telescopic rod 210. The connection platform 220 is located at one end of the telescopic rod 210. The contact 300 is provided on the connection platform 220. The connection platform 220 can rotate along a horizontal plane. The connection platform 220 further improves the freedom of movement of the contact 300 and further enhances the adaptability of the electroscope to the electrometry environment. The connection platform 220 is connected to the telescopic rod 210 by threads for easy adjustment. The connection platform 220 is locked by a locking device when adjusted to an accurate position.

[0036] In this embodiment, the electroscope further includes an angle adjustment mechanism, wherein the angle adjustment mechanism further includes a connecting tube 400, a holding rod 410, a connecting ball 420 and a rotating assembly. Figure 1 -Attached Figure 3The connecting tube 400 is a cylindrical tube, and one end of the connecting tube 400 is fixed on the base 100. The height adjustment mechanism 200 is arranged on the holding pole 410. Part of the spherical surface of the connecting ball 420 is fixedly connected to the connecting tube 400. The holding pole 410 is rotatably connected to another part of the spherical surface through a rotating component to change the angle between the holding pole 410 and the horizontal plane. The rotating component includes an adsorption block 412.

[0037] Please see attached Figure 4 In this embodiment, the connection tube 400 has a spherical surface inside that matches the partial spherical surface of the connection ball 420. The partial spherical surface of the connection ball 420 is fixed in the spherical surface of the connection tube 400. The connection ball 420 is kept stationary as a whole through the spherical surface of the connection tube 400. The bottom of the holding rod 410 is a partial spherical surface, on which a plurality of slots 411 are provided. An adsorption block 412 is provided inside the slot 411. One end of the adsorption block 412 is connected to the bottom of the slot 411, and the other end of the adsorption block 412 is slidably connected to the spherical surface of the connection ball 420. The adsorption block 412 is adsorbed on the connection ball 420. By sliding the adsorption block 412 on the connection ball 420, the entire holding rod 410 can slide along the spherical surface, thereby adjusting the angle between the holding rod 410 and the horizontal plane, and finally realizing that the telescopic rod 210 and the contact 300 can change the angle on the horizontal plane. Furthermore, by changing the height of the wall of the connecting tube 400 , the range of angle variation can also be limited.

[0038] Please refer to the attached Figure 4 Preferably, a compression spring 413 is provided in the slot 411, and the adsorption block 412 is connected to the bottom of the slot 411 through the compression spring 413. The compression spring 413 is always subjected to extrusion force inside the slot, and the adsorption block 412 is tightly pressed against the connecting ball 420 through the compression spring 413, ensuring that the adsorption block 412 will never separate from the outer spherical surface of the connecting ball 420 during the sliding process, thereby ensuring the stability of the angle adjustment.

[0039] Preferably, in order to ensure smooth sliding of the adsorption block 412 and reduce wear, the surface of the connecting ball 420 is polished.

[0040] Please refer to the attached Figure 1 -Attached Figure 3, a connecting sleeve 430 is sleeved on one end of the holding rod 410 close to the contact 300, and the electroscope also includes a plurality of support rods 600, which are distributed circumferentially along the connecting sleeve 430. In this embodiment, three support rods 600 are preferably provided, and one end of the support rod 600 is hinged to the connecting sleeve 430 through a pin, and the other end of the support rod 600 is provided with a supporting foot 610, which can be fixedly connected to the ground. When the contact 300 is adjusted to the correct position, the support rod 600 provides support for the entire device and is fixed by the supporting foot 610. Anchor bolts are provided on the supporting foot 610, which can be conveniently connected to the ground. In this embodiment, in order to adapt to different bottom surface environments, the support rod 600 is a retractable rod, and the bottom of the support rod 600 is stretched to the ground, and it does not need to be placed on the ground by hand. The operator can complete the operation through simple adjustment.

[0041] Please continue to refer to the attached Figure 3 The electroscope further includes a driving device 700, which is used to drive the height adjustment mechanism 200 to extend or shorten. The driving device 700 can be an AC asynchronous motor, and the outer side of the driving device 700 is fixedly connected to a motor shaft, and the outer side of the motor shaft is fixedly connected to a turntable. The top of the telescopic rod 210 is fixedly connected to a pulley, and each level of the telescopic rod 210 is provided with a pulley, and a pull rope is wound between the pulley and the turntable. The driving device 700 is on one side of the holding rod 410, and the pull rope passes through each pulley and is fixedly connected to the turntable. When the driving device 700 is started, the driving device 700 rotates to drive the turntable to rotate through the motor shaft, and the rotation of the turntable drives the telescopic rod 210 to rise through the pull rope and the pulley. The rise of the telescopic rod 210 drives the contact 300 to rise until the contact 300 is raised to the position to be tested. The reverse rotation of the driving device 700 drives the pull rope to move in the reverse direction, thereby realizing the descent of the telescopic rod 210. The lifting and lowering are completed by the driving device 700, without the need for handheld operation, and the lifting and lowering are stable and controllable.

[0042] Optionally, in this embodiment, the electroscope further includes a push rod 810 and a handle 820 , and a universal wheel is provided at the bottom of the base 100 , and the operator can forcefully pull or push the handle 820 to make the electroscope reach a designated working position.

[0043] Embodiment 2

[0044] This embodiment is basically the same as the first embodiment, except that the tester further includes a sighting device 500, and the sighting device 500 is fixed on the outer wall of the holding rod 410. The sighting device 500 can quickly aim at the object to be tested, making positioning easier and convenient to operate, so that operators and guardians can determine the test position and effectively prevent misoperation. Figure 1 and Figure 5As shown, preferably, the aiming device 500 is a laser aiming device that works on the laser principle, and the laser beam aims to determine the electrical test position, which is accurate and reliable. In this embodiment, the aiming device 500 is connected to the connecting sleeve 430 through the rotating rod 440, and the aiming device 500 is rotatably connected to the rotating rod 440, and the aiming device 500 can rotate around the axial direction of the rotating rod 440.

[0045] Please refer to the attached Figure 6 -Attached Figure 7 The aiming device 500 includes a connecting rod 510 and a frame 520; a groove 511 and a wedge block 512 and a stop block are arranged inside the groove 511 along the outer wall of the bottom of the connecting rod 510; in this embodiment, two grooves 511 are arranged and symmetrically distributed on the circumferential surface of the connecting rod 510. The wedge block 512 is connected to the bottom of the groove 511 through a spring, and a sliding groove 441 is arranged on the circumference of the rotating rod 440, and the wedge block 512 can enter the sliding groove 441. By squeezing the connecting rod 510 downward, the connecting rod 510 moves downward, and the wedge block 512 enters the slide groove 441 under the squeezing action of the spring. The limit block can prevent the wedge block 512 from escaping from the groove 511. Since the slide groove 441 is circumferentially distributed along the rotating rod 510, the connecting rod 510 can rotate around the rotating rod 440 along the slide groove 441 through the wedge block 512, so that the aiming device 500 can rotate around the rotating rod 440, thereby adjusting the position of the aiming device 500 so that the aiming device is aligned with the part to be detected of the object to be measured. When the aiming device 500 is aligned with the position, the connecting rod 510 can be pulled out, thereby separating the wedge block 512 from the slide groove 441, so that the aiming device 500 remains fixed relative to the rotating rod 440.

[0046] In this embodiment, a rebound device is provided on the connecting rod 510, so that after the connecting rod 510 is pressed, there is no need to pull it out in the opposite direction with force, and the connecting rod 510 can be ejected by the rebound device. Optionally, a spring 530 is sleeved on the connecting rod 510. When the connecting rod 510 is pressed, the spring 530 is squeezed and shortened. After the pressing force is removed, the spring 530 restores its deformation and the connecting rod 510 is ejected.

[0047] The working process of the electroscope is as follows: first, the operator pushes the handle 820 to push the electroscope to the designated position to be tested. After reaching the designated position, multiple support rods 600 are pulled out and fixed to the ground through the support feet 610 at the bottom of the support rods 600. Then, the anchor bolts on the support feet 610 are tightened. After the support feet 610 are fixed, the preliminary positioning work is completed.

[0048] The connecting rod 510 is squeezed downward. After the connecting rod 510 moves downward, it drives the wedge block 512 to move. The wedge block 512 enters the slide groove 441 under the squeezing action of the spring. The connecting rod rotates around the rotating rod 440 along the slide groove 441 through the wedge block 512, so that the aiming device 500 can rotate around the rotating rod 440, thereby adjusting the position of the aiming device 500; the aiming device 500 is aligned with the part to be detected of the object to be measured. When the aiming device 500 is aligned with the position, the connecting rod 510 can be pulled out or popped out, thereby separating the wedge block 512 from the slide groove 441, so that the aiming device 500 remains fixed relative to the rotating rod 440.

[0049] After the aiming device 500 is aligned with the position, the driving device 700 is started. The driving device 700 rotates to drive the turntable to rotate through the motor shaft. The rotation of the turntable drives the telescopic rod 210 to rise through the pull rope and the pulley. The rise of the telescopic rod 210 drives the contact 300 to rise until the contact 300 is raised to the test part that needs to be inspected. The pull rope is driven to move after the driving device 700 rotates, thereby achieving the extension or retraction of the telescopic rod 210, and further achieving the height adjustment of the contact 300. The lifting and lowering are completed by the driving device 700 without the need for handheld operation, and the lifting and lowering are smooth and controllable, thereby reducing the working cost of manual operation.

[0050] During actual use, the telescopic rod 210 needs to be tilted at a certain angle. By rotating the adsorption block 412 of the holding rod 410 on the spherical surface of the connecting ball 420, the telescopic rod 210 can be tilted at a certain angle; at the same time, the tilt range of the holding rod 410 is limited by the inner wall of the connecting tube 400.

[0051] The rotation of the holding rod 410 will drive the rotation of the telescopic rod 210, which can further improve the adjustment freedom of the electroscope and enhance the flexibility of the entire electroscope.

[0052] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An electroscope, characterized in that: include: base(100); A height adjustment mechanism (200) and a contact (300), wherein the height adjustment mechanism (200) is arranged on the base (100), the contact (300) is arranged at one end of the height adjustment mechanism (200) away from the base (100), the height adjustment mechanism (200) is configured to be able to adjust the height of the contact (300), and the contact (300) is used to contact an object to be tested to test electrical conductivity; An angle adjustment mechanism comprises a connecting tube (400), a holding rod (410), a connecting ball (420) and a rotating assembly, wherein the connecting tube (400) is fixed on the base (100), the height adjustment mechanism (200) is arranged on the holding rod (410), a part of the spherical surface of the connecting ball (420) is fixedly connected to the connecting tube (400); the holding rod (410) is rotatably connected to another part of the spherical surface via the rotating assembly, so as to change the angle between the holding rod (410) and the horizontal plane; A plurality of slots (411) are provided at the bottom of the holding rod (410); the rotating assembly comprises an adsorption block (412); the adsorption block (412) is arranged in the slot (411); one end of the adsorption block (412) is connected to the bottom of the slot (411); and the other end of the adsorption block (412) is slidably connected to the spherical surface of the connecting ball (420); The electroscope further comprises a sighting device (500), wherein the sighting device (500) is fixed on the outer wall of the holding rod (410); A connecting sleeve (430) is sleeved on one end of the holding rod (410) close to the contact (300); a rotating rod (440) is provided on the outer wall of the connecting sleeve (430); the aiming device (500) is rotatably connected to the rotating rod (440); and the aiming device (500) is capable of rotating around the axial direction of the rotating rod (440); The aiming device (500) comprises a connecting rod (510) and a frame (520); a groove (511) and a wedge block (512) arranged inside the groove (511) are provided along the outer wall of the bottom of the connecting rod (510); the wedge block (512) is connected to the bottom of the groove (511) via a spring; a clamping groove (441) is provided on the circumference of the rotating rod (440), and the wedge block (512) can be clamped into the clamping groove (441).

2. An electroscope according to claim 1, characterized in that: One end of the height adjustment mechanism (200) away from the base (100) is rotatably connected to a connection platform (220), the contact (300) is fixed on the connection platform (220), and the connection platform (220) can rotate along a horizontal plane.

3. An electroscope according to claim 1, characterized in that: A compression spring (413) is provided in the card slot (411), and the adsorption block (412) is connected to the bottom of the card slot (411) via the compression spring (413).

4. An electroscope according to claim 1, characterized in that: The electroscope further comprises a plurality of support rods (600), wherein the plurality of support rods (600) are distributed along the circumference of the connecting sleeve (430), one end of the support rod (600) is hinged to the connecting sleeve (430) via a pin, and the other end of the support rod (600) is provided with a support foot (610), and the support foot (610) can be fixedly connected to the ground.

5. An electroscope according to claim 4, characterized in that: The support rod (600) is a telescopic rod.

6. An electroscope according to any one of claims 1 to 5, characterized in that: The height adjustment mechanism (200) comprises a telescopic rod (210), wherein the telescopic rod (210) is arranged inside the holding rod (410), and the electroscope further comprises a driving device (700), wherein the driving device (700) is capable of driving the telescopic rod (210) to extend or shorten.

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