CN218727598U - Clamp-on ammeter calibrating device - Google Patents

Clamp-on ammeter calibrating device Download PDF

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Publication number
CN218727598U
CN218727598U CN202223072682.6U CN202223072682U CN218727598U CN 218727598 U CN218727598 U CN 218727598U CN 202223072682 U CN202223072682 U CN 202223072682U CN 218727598 U CN218727598 U CN 218727598U
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movable
frame
angle
movable frame
clamp
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CN202223072682.6U
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Chinese (zh)
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王晓鹏
刘孝猛
刘青廉
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Liaoning North Measurement And Calibration Service Co ltd
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Liaoning North Measurement And Calibration Service Co ltd
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Abstract

The utility model relates to an electrical measuring instrument technical field specifically is a pincerlike ampere meter calibrating device, include: the fixed baseplate, fixed baseplate's both sides are provided with the angle frame, the direction head is worn to be equipped with in the inside of angle frame, fixed baseplate's top is provided with the movable frame, the internally mounted of movable frame has four movable blocks, be connected with clamping spring between movable block and the movable frame, be connected with the connecting rod between the movable block of both sides, the connecting strip is installed at the top of movable block, the bottom of connecting strip is provided with the spliced pole, one side of angle frame is provided with the spirit level, the through-hole has been seted up to the one end of movable frame. The utility model discloses when the movable frame changes the contained angle with PMKD, can drive the direction head and move in angle frame is inside, through the scale on angle frame surface, can learn the actual contained angle of movable frame and horizontal plane to this influence of testing different angles.

Description

Clamp-on ammeter calibrating device
Technical Field
The utility model relates to an electrical measuring instrument technical field specifically is a tong-type ammeter calibrating device.
Background
The leakage current is formed between metal parts which are mutually insulated in electricity or between an electrified part and a grounding part through surrounding media or insulating surfaces under the condition of no fault applied voltage, is one of important marks for measuring the insulation performance of an electric appliance, is a main index of the safety performance of a product, and is convenient to measure by connecting an ammeter after a circuit is cut off and shut down when a common ammeter measures the current, and can measure the current without cutting off the circuit
Through retrieval, the invention belongs to the technical field of electrical measuring instruments in a clamp-on ammeter calibration device with the publication number of CN114325052A, and particularly discloses a clamp-on ammeter calibration device. Wherein this clip-on ammeter calibrating device includes: the device comprises a base, a first lead, a second lead, a supporting plate and a detachable lead sleeve; the base is provided with an accommodating groove, the supporting plate is provided with an extending hole, and the side surface of the base is provided with a connecting hole; a first supporting edge and a second supporting edge are respectively arranged at two ends of the supporting plate, and a clamp is arranged on the upper side surface of the supporting plate; the side of going up of base is provided with vertical fagging, is provided with spacing kicker in the holding tank. The clamp can be fixed to the supporting plate and matched with the clamp, so that the jaw of the clamp can enclose the first wire and the second wire extending out of the extending hole of the supporting plate, the calibration of the four parameters including current indication error, current position influence, current angle influence and load current can be carried out, calibration equipment for measuring personnel is reduced, the load of the measuring personnel is reduced, and the measuring personnel can measure leakage current conveniently.
The existing calibration device for the clamp-on ammeter can calibrate the influence of the current angle by changing the angle of the supporting plate through the limiting supporting block and the vertical supporting plate, but the influence of the specific angle cannot be determined in a concrete manner due to the fact that the specific angle cannot be measured accurately.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tong-type ampere meter calibrating device to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model adopts the following technical scheme: a clamp-on ammeter calibration device, comprising:
the fixed baseplate, fixed baseplate's both sides are provided with the angle frame, the direction head is worn to be equipped with in the inside of angle frame, fixed baseplate's top is provided with the movable frame, the internally mounted of movable frame has four movable blocks, be connected with clamping spring between movable block and the movable frame, be connected with the connecting rod between the movable block of both sides, the connecting strip is installed at the top of movable block, the bottom of connecting strip is provided with the spliced pole, one side of angle frame is provided with the spirit level, the through-hole has been seted up to the one end of movable frame.
Preferably, the fixed base plate further includes:
the accepting groove, it is seted up the top of PMKD, the internally mounted of accepting groove has flexible post, no. two fixed orificess have been seted up to the one end of accepting groove, PMKD's one end is provided with the adjustment support, the top of adjustment support is provided with movable support, a fixed orifices has been seted up to movable support's the other end, the loose collar is all installed to the inside of a fixed orifices and No. two fixed orificess, the outside of loose collar is connected with fixing spring, the another side of loose collar is provided with the protection backing plate.
Preferably, the telescopic column is rotatably connected with the accommodating groove, and the telescopic column is rotatably connected with the movable frame.
Preferably, the protection backing plate is in adhesive connection with the movable ring, and the protection backing plate is made of rubber.
Preferably, the angle frame and the fixed bottom plate are fixedly connected, and two angle frames are arranged.
Preferably, the two guide heads are fixedly connected with the movable frame.
Preferably, the adjusting bracket is fixedly connected with the fixed bottom plate, and the movable bracket is in threaded connection with the adjusting bracket.
The above description shows that, with the above technical solutions of the present application, the technical problems to be solved by the present application can be solved.
Simultaneously, through above technical scheme, the utility model discloses possess following beneficial effect at least:
the utility model can drive the guide head to move in the angle frame when the movable frame changes the included angle with the fixed bottom plate, and the actual included angle between the movable frame and the horizontal plane can be known through the scale on the surface of the angle frame, so as to test the influence of different angles;
the utility model can change the included angle between the movable frame and the fixed bottom plate by starting the telescopic column to push the movable frame to rotate around one end of the fixed bottom plate, thereby adjusting the included angle between the clip-on ammeter and the vertical lead, calibrating the influence of the current angle and improving the use effect of the clip-on ammeter;
the utility model discloses the accessible can place pincers-shaped ampere meter inside the movable frame, and clamping spring can promote the movable block and be close to each other to the pincers-shaped ampere meter presss from both sides tightly inside the movable frame, and the connecting strip is gone up in the lock again on the movable block, binds the pincers-shaped ampere meter with this, prevents that it from taking place to slide when the movable frame removes.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the structure of the connecting strip of the present invention;
FIG. 3 is a schematic view of the structure of the fixing base plate of the present invention;
fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.
In the figure: 1. fixing the bottom plate; 2. a movable frame; 3. a through hole; 4. adjusting the bracket; 5. a level gauge; 6. connecting columns; 7. a movable support; 8. a clamping spring; 9. a connecting rod; 10. a movable block; 11. a first fixing hole; 12. fixing the spring; 13. an angle frame; 14. a guide head; 15. a second fixing hole; 16. a telescopic column; 17. an accommodating groove; 18. a movable ring; 19. protecting the base plate; 20. and (4) connecting strips.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Embodiment 1
As shown in fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a clamp-on ammeter calibration device, comprising: the fixing device comprises a fixing bottom plate 1, wherein two sides of the fixing bottom plate 1 are provided with angle frames 13, the angle frames 13 are fixedly connected with the fixing bottom plate 1, and the number of the angle frames 13 is two; a guide head 14 penetrates through the angle frame 13, a movable frame 2 is arranged above the fixed bottom plate 1, the guide head 14 is fixedly connected with the movable frame 2, two guide heads 14 are arranged, when the included angle between the movable frame 2 and the fixed bottom plate 1 is changed, the guide heads 14 can be driven to move in the angle frame 13, and the actual included angle between the movable frame 2 and the horizontal plane can be obtained through the scales on the surface of the angle frame 13; there are four movable blocks 10 at the internally mounted of activity frame 2, be connected with clamping spring 8 between movable block 10 and the activity frame 2, be connected with connecting rod 9 between the movable block 10 of both sides, connecting strip 20 is installed at the top of movable block 10, the bottom of connecting strip 20 is provided with spliced pole 6, one side of angle frame 13 is provided with spirit level 5, through-hole 3 has been seted up to the one end of activity frame 2, can place the pincerlike ampere meter inside activity frame 2, clamping spring 8 can promote movable block 10 and be close to each other, thereby it is tight inside activity frame 2 to press from both sides the pincerlike ampere meter, connecting strip 20 on the lock on activity block 10 again, bind the pincerlike ampere meter with this, prevent that it from taking place to slide when activity frame 2 removes.
Example two
The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:
as shown in fig. 1, 3 and 4, as a preferred embodiment, in addition to the above-mentioned manner, further, a receiving groove 17 is opened on the top of the fixed base plate 1, a telescopic column 16 is installed inside the receiving groove 17, the telescopic column 16 is rotatably connected with the receiving groove 17, and the telescopic column 16 is rotatably connected with the movable frame 2, the telescopic column 16 is started to push the movable frame 2 to rotate around one end of the fixed base plate 1, so that the included angle between the movable frame 2 and the fixed base plate 1 can be changed, and thus the included angle between the clip-on ammeter and the vertical lead wire can be adjusted, and the "influence of the current angle" can be calibrated at this degree, and the use effect of the clip-on ammeter can be improved; no. two fixed orificess 15 have been seted up to the one end of accepting groove 17, PMKD 1's one end is provided with adjustment support 4, be fixed connection between adjustment support 4 and the PMKD 1, and be threaded connection between movable support 7 and the adjustment support 4, adjustment support 4's top is provided with movable support 7, fixed orifices 11 have been seted up to movable support 7's the other end, movable ring 18 is all installed to the inside of fixed orifices 11 and No. two fixed orificess 15, the outside of movable ring 18 is connected with fixing spring 12, the another side of movable ring 18 is provided with protective backing plate 19, be adhesive bonding between protective backing plate 19 and the movable ring 18, and protective backing plate 19 material is rubber.
In summary, the following can be found:
the utility model is directed to the technical problem: the existing clamp-on ammeter calibration device can calibrate the influence of the current angle by changing the angle of the supporting plate through the limiting supporting block and the vertical supporting plate, but the current angle cannot be accurately measured, and the specific angle is fixed, so that the influence of the angle is difficult to specifically determine; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:
the horizontal position of the movable frame 2 is calibrated by observing the level gauge 5, the movable frame 2 is horizontally placed, the position of the movable support 7 on the adjusting support 4 is adjusted, the height of the movable support 7 is fixed by using bolts, the lead for testing passes through the first fixing hole 11, the through hole 3 and the second fixing hole 15, the movable rings 18 can be pushed by the fixing springs 12 to be close to each other, so that the lead for testing is clamped, and the movable rings 18 can be prevented from clamping the lead for testing by the protective backing plate 19; then, the clamp-shaped ammeter can be placed in the movable frame 2, the clamping spring 8 can push the movable blocks 10 to approach each other, so that the clamp-shaped ammeter is clamped in the movable frame 2, the connecting strip 20 is buckled on the movable blocks 10, the clamp-shaped ammeter is bound, and a clamp of the clamp-shaped ammeter is sleeved outside the test lead; then, start flexible post 16 and promote that the movable frame 2 is rotatory around the one end of PMKD 1, change the contained angle of movable frame 2 and PMKD 1 to the contained angle of adjustment clip-on ammeter and vertical wire, the movable frame 2 motion can drive direction head 14 and move in angle frame 13 is inside, through the scale on angle frame 13 surface, can learn the actual contained angle of movable frame 2 and horizontal plane, if during this, so that alright calibration "the influence of electric current angle", improve the result of use of clip-on ammeter.
Through above-mentioned setting, above-mentioned technical problem can be solved certainly to this application, simultaneously, realizes following technological effect:
the utility model can drive the guide head 14 to move in the angle frame 13 when the movable frame 2 changes the included angle with the fixed bottom plate 1, and the actual included angle between the movable frame 2 and the horizontal plane can be known through the scale on the surface of the angle frame 13;
the utility model can change the included angle between the movable frame 2 and the fixed bottom plate 1 by starting the telescopic column 16 to push the movable frame 2 to rotate around one end of the fixed bottom plate 1, thereby adjusting the included angle between the clamp-on ammeter and the vertical lead, calibrating the influence of the current angle by the included angle, and improving the use effect of the clamp-on ammeter;
the utility model discloses the accessible can place pincers-shaped ampere meter inside movable frame 2, and clamping spring 8 can promote movable block 10 and be close to each other to the pincers-shaped ampere meter presss from both sides tightly inside movable frame 2, and connecting strip 20 is gone up to the lock again on movable block 10, binds the pincers-shaped ampere meter with this, prevents that it from taking place to slide when movable frame 2 removes.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A clamp-on ammeter calibration device, comprising:
PMKD (1), the both sides of PMKD (1) are provided with angle frame (13), direction head (14) are worn to be equipped with in the inside of angle frame (13), the top of PMKD (1) is provided with movable frame (2), the internally mounted of movable frame (2) has four movable block (10), be connected with clamping spring (8) between movable block (10) and movable frame (2), be connected with connecting rod (9) between the movable block (10) of both sides, connecting strip (20) are installed at the top of movable block (10), the bottom of connecting strip (20) is provided with spliced pole (6), one side of angle frame (13) is provided with spirit level (5), through-hole (3) have been seted up to the one end of movable frame (2).
2. A clamp ammeter calibration device as claimed in claim 1 wherein said fixed base plate (1) further comprises:
accommodating groove (17), it sets up the top of PMKD (1), the internally mounted of accommodating groove (17) has flexible post (16), fixed orifices (15) No. two have been seted up to the one end of accommodating groove (17), the one end of PMKD (1) is provided with adjustment support (4), the top of adjustment support (4) is provided with movable support (7), fixed orifices (11) have been seted up to the other end of movable support (7), movable ring (18) are all installed to the inside of fixed orifices (11) and No. two fixed orifices (15), the outside of movable ring (18) is connected with fixing spring (12), the another side of movable ring (18) is provided with protection backing plate (19).
3. The device for calibrating a clamp ammeter according to claim 2, wherein the telescopic column (16) is rotatably connected with the receiving groove (17), and the telescopic column (16) is rotatably connected with the movable frame (2).
4. The clamp ammeter calibration device as claimed in claim 2, wherein the protection pad (19) is bonded to the movable ring (18) by adhesive, and the protection pad (19) is made of rubber.
5. The clamp ammeter calibration device as claimed in claim 1, wherein the angle bracket (13) is fixedly connected with the fixed bottom plate (1), and two angle brackets (13) are provided.
6. The clamp ammeter calibration device as claimed in claim 1, wherein the guide head (14) is fixedly connected with the movable frame (2), and two guide heads (14) are provided.
7. The clamp ammeter calibration device as claimed in claim 2, wherein the adjusting bracket (4) is fixedly connected with the fixed base plate (1), and the movable bracket (7) is in threaded connection with the adjusting bracket (4).
CN202223072682.6U 2022-11-18 2022-11-18 Clamp-on ammeter calibrating device Active CN218727598U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223072682.6U CN218727598U (en) 2022-11-18 2022-11-18 Clamp-on ammeter calibrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223072682.6U CN218727598U (en) 2022-11-18 2022-11-18 Clamp-on ammeter calibrating device

Publications (1)

Publication Number Publication Date
CN218727598U true CN218727598U (en) 2023-03-24

Family

ID=85621972

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223072682.6U Active CN218727598U (en) 2022-11-18 2022-11-18 Clamp-on ammeter calibrating device

Country Status (1)

Country Link
CN (1) CN218727598U (en)

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