CN213633654U

CN213633654U - Harmonic wave and voltage flicker testing device

Info

Publication number: CN213633654U
Application number: CN202022592614.7U
Authority: CN
Inventors: 王茂兴
Original assignee: Att Product Service Co ltd
Current assignee: Att Product Service Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-06
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a harmonic, voltage flicker testing arrangement, including the tester body, four end angles of terminal surface all are provided with logical groove under the tester body, the top surface fixedly connected with electric putter who leads to the inslot wall, the gyro wheel is installed to electric putter's below, one side fixed mounting of tester body surface has the handle, the tester body is that the up end is provided with the operation panel, the up end of operation panel is provided with square groove, square groove's bottom surface is provided with places the board, the both sides of placing the board are provided with the recess, the inside of recess is provided with splint, two the below fixed mounting of splint surface back of the body one side mutually has the push rod, the push rod is close to the surface cover of splint is equipped with spring B, the inboard of recess is provided with the transmission groove. The utility model discloses be convenient for remove and place, and be convenient for carry out the centre gripping to not unidimensional work piece, improved suitability and measuring accuracy.

Description

Harmonic wave and voltage flicker testing device

Technical Field

The utility model relates to a harmonic scintillation analysis appearance technical field specifically is a harmonic, voltage scintillation testing arrangement.

Background

With the rapid development of social economy, harmonic pollution of a public power grid is becoming more serious due to the rapid development of various power electronic devices, various faults and accidents caused by harmonic are also happening continuously, and the severity of harmonic damage attracts high attention of people. In the harmonic wave measuring circuit, a test power supply is an ideal alternating current power supply and has the characteristics of small internal resistance, pure waveform, stable voltage and accurate frequency, measuring equipment is a time domain analyzer for discrete Fourier transformation, voltage change is generally evaluated by two types of indexes, namely voltage fluctuation and flicker, the voltage fluctuation index reflects sudden and large voltage change degree, the flicker index reflects continuous voltage change condition in a period of time, and the harmonic wave flicker analyzer is used for analyzing the voltage fluctuation and flicker.

However, the existing harmonic wave and voltage flicker testing device is inconvenient to move, and an operating console is inconvenient to clamp workpieces with different sizes, so that the testing precision is influenced; therefore, the existing requirements are not met, and a harmonic and voltage flicker testing device is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a harmonic, voltage scintillation testing arrangement to current harmonic, the voltage scintillation testing arrangement that proposes is not convenient for remove in solving above-mentioned background art, and the operation panel is not convenient for carry out the centre gripping to not unidimensional work piece, can influence the measuring accuracy scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a harmonic wave and voltage flicker testing device comprises a tester body, wherein four end corners of the lower end face of the tester body are respectively provided with a through groove, the top surface of the inner wall of the through groove is fixedly connected with an electric push rod, rollers are installed below the electric push rod, one side of the outer surface of the tester body is fixedly provided with a handle, the upper end face of the tester body is provided with an operating table, the upper end face of the operating table is provided with a square groove, the bottom surface of the square groove is provided with a placing plate, two sides of the placing plate are provided with grooves, clamping plates are arranged inside the grooves, push rods are fixedly installed below the opposite sides of the outer surfaces of the two clamping plates, the outer surface of the push rod close to the clamping plates is sleeved with a spring B, the inner sides of the grooves are provided with transmission grooves, a movable groove is arranged below the square groove, and the, three spring A is evenly installed to the bottom surface of placing the board, spring A's bottom with the up end fixed connection in activity groove, the internally mounted of driving groove has the rotary rod, the up end fixed mounting of rotary rod one end has the feeler lever, the top of feeler lever extends to the surface on push rod top, the other end of rotary rod passes through the transfer line with the up end of placing board outside limit and is connected, the position that the rotary rod is close to the transfer line is connected through the pivot with the driving groove.

Preferably, both ends of the transmission rod are connected with the rotating rod and the placing plate through rotating shafts.

Preferably, the top end of the push rod is a slope with 60 degrees.

Preferably, one end of the spring B is fixedly connected with the outer surface of the clamping plate, and the other end of the spring B is fixedly connected with the inner wall of the groove.

Preferably, a storage battery is arranged below the inside of the tester body, and the storage battery is electrically connected with the electric push rod.

Preferably, a rubber pad is arranged on one side opposite to the outer surface of the clamping plate, and the rubber pad is fixedly connected with the clamping plate through a clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through being provided with and placing board, spring A, splint, push rod, feeler lever, rotary rod, transfer line, through placing the work piece at placing board up end, the gravity of work piece makes and places the board and is pushed down, the moving down of placing the board, the pulling transfer line makes one end of rotary rod turn down, the other end of rotary rod is lifted up, lift up on the feeler lever and push out the push rod to the outside, thereby push two splint to the work piece surface, make splint to the work piece centre gripping stable, through being provided with the rubber pad and effectively improving the centre gripping effect, the utility model is convenient for carry out the centre gripping to the work piece of different sizes, has improved suitability and test accuracy;

2. the utility model discloses a be provided with logical groove, electric putter, the gyro wheel, when needs removal tester body, open electric putter's switch, electric putter extends and drives the gyro wheel downstream, contact ground, the tester body leaves ground, can remove the tester body through the handle this moment, after removing the completion, open electric putter's switch again, electric putter contracts, it withdraws into logical inslot to drive the gyro wheel, the lower terminal surface and the ground contact of tester body, the tester body is placed stably this moment, the utility model discloses be convenient for remove and place.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the entire invention;

fig. 3 is a schematic view of a partial structure of the push rod of the present invention.

In the figure: 1. a tester body; 2. a handle; 3. an operation table; 4. a splint; 5. a square groove; 6. placing the plate; 7. a through groove; 8. an electric push rod; 9. a movable groove; 10. a spring A; 11. a roller; 12. a transmission rod; 13. a transmission groove; 14. rotating the rod; 15. a feeler lever; 16. a push rod; 17. a spring B; 18. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The electric putter 8 (model number LBP40) mentioned in the present invention can be obtained from market purchase or private customization.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a harmonic wave and voltage flicker testing device comprises a tester body 1, four end corners of the lower end surface of the tester body 1 are respectively provided with a through groove 7, the top surface of the inner wall of the through groove 7 is fixedly connected with an electric push rod 8, rollers 11 are arranged below the electric push rod 8, a handle 2 is fixedly arranged on one side of the outer surface of the tester body 1, the tester body 1 is provided with an operation table 3 on the upper end surface, the upper end surface of the operation table 3 is provided with a square groove 5, the bottom surface of the square groove 5 is provided with a placing plate 6, two sides of the placing plate 6 are provided with grooves 18, clamping plates 4 are arranged inside the grooves 18, a push rod 16 is fixedly arranged below the opposite sides of the outer surfaces of the two clamping plates 4, the outer surface of the push rod 16 close to the clamping plates 4 is sleeved with a spring B17, the inner side of the groove 18 is provided with a transmission groove 13, three springs A10 are evenly installed to the bottom surface of placing board 6, the bottom of spring A10 and the up end fixed connection of activity groove 9, the internally mounted of driving groove 13 has rotary rod 14, the up end fixed mounting of rotary rod 14 one end has feeler lever 15, the top of feeler lever 15 extends to the surface on push rod 16 top, the other end of rotary rod 14 passes through transfer line 12 with the up end of placing board 6 outside limit to be connected, the position that rotary rod 14 is close to transfer line 12 is connected through the pivot with driving groove 13.

Further, both ends of the transmission rod 12 are connected with the rotating rod 14 and the placing plate 6 through rotating shafts, transmission is facilitated, and transmission is stable.

Further, the top end of the push rod 16 is an inclined surface with an inclination of 60 degrees, so that the push rod 16 can be pushed open by the touch rod 15 conveniently.

Furthermore, one end of the spring B17 is fixedly connected with the outer surface of the clamping plate 4, and the other end of the spring B17 is fixedly connected with the inner wall of the groove 18, so that the stability of the push rod 16 is improved.

Further, the inside below of tester body 1 is equipped with the battery, battery and electric putter 8 electric connection, and under the condition of not switching on the power, electric putter 8 can work.

Furthermore, the rubber pad is arranged on the side, opposite to the outer surface of the clamping plate 4, and the rubber pad is fixedly connected with the clamping plate 4 through the clamping groove, so that the clamping effect is improved.

The working principle is as follows: when the tester body 1 needs to be moved, a switch of the electric push rod 8 is turned on, the electric push rod 8 extends to drive the roller 11 to move downwards to contact the ground, the tester body 1 leaves the ground, the tester body 1 can be moved through the handle 2 at the moment, after the movement is finished, the switch of the electric push rod 8 is turned on, the electric push rod 8 contracts to drive the roller 11 to retract into the through groove 7, the lower end face of the tester body 1 is contacted with the ground, the tester body 1 is stably placed at the moment, a workpiece is placed on the upper end face of the placing plate 6, the placing plate 6 is pressed downwards by the gravity of the workpiece, the driving rod 12 is pulled to downwards move, one end of the rotating rod 14 rotates downwards, the other end of the rotating rod 14 is lifted, namely, the push rod 16 is pushed outwards by the contact rod 15, so that the two clamping plates 4 are pushed towards the outer surface of the workpiece by the clamping plates 4 to, effectively improve the centre gripping effect through being provided with the rubber pad, test again, this utility model is convenient for remove and place, and is convenient for carry out the centre gripping to not unidimensional work piece, has improved suitability and measuring accuracy.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a harmonic, voltage scintillation testing arrangement, includes tester body (1), its characterized in that: four end corners of the lower end face of the tester body (1) are provided with through grooves (7), the top face of the inner wall of each through groove (7) is fixedly connected with an electric push rod (8), rollers (11) are installed below the electric push rods (8), one side of the outer surface of the tester body (1) is fixedly provided with a handle (2), the tester body (1) is provided with an operation table (3) on the upper end face, the upper end face of the operation table (3) is provided with square grooves (5), the bottom face of each square groove (5) is provided with a placing plate (6), two sides of each placing plate (6) are provided with grooves (18), clamping plates (4) are arranged inside the grooves (18), push rods (16) are fixedly installed below one side of the outer surfaces of the two clamping plates (4) opposite to each other, and springs B (17) are sleeved on the outer surfaces of the push rods (16) close to the, the inboard of recess (18) is provided with drive groove (13), the below of square groove (5) is equipped with movable groove (9), place board (6) and be located the inboard of movable groove (9), the bottom surface of placing board (6) evenly installs three spring A (10), the bottom of spring A (10) with the up end fixed connection on movable groove (9), the internally mounted of drive groove (13) has rotary rod (14), the up end fixed mounting of rotary rod (14) one end has feeler lever (15), the top of feeler lever (15) extends to the surface on push rod (16) top, the other end of rotary rod (14) and the up end of placing board (6) outside limit pass through transfer line (12) and be connected, the position that rotary rod (14) are close to transfer line (12) is connected through the pivot with drive groove (13).

2. A harmonic, voltage flicker test apparatus as in claim 1, wherein: the two ends of the transmission rod (12) are connected with the rotating rod (14) and the placing plate (6) through rotating shafts.

3. A harmonic, voltage flicker test apparatus as in claim 1, wherein: the top end of the push rod (16) is an inclined surface with the inclination of 60 degrees.

4. A harmonic, voltage flicker test apparatus as in claim 1, wherein: one end of the spring B (17) is fixedly connected with the outer surface of the clamping plate (4), and the other end of the spring B (17) is fixedly connected with the inner wall of the groove (18).

5. A harmonic, voltage flicker test apparatus as in claim 1, wherein: the inside below of tester body (1) is equipped with the battery, the battery with electric putter (8) electric connection.

6. A harmonic, voltage flicker test apparatus as in claim 1, wherein: the rubber pad is arranged on one side, opposite to the outer surface of the clamping plate (4), and the rubber pad is fixedly connected with the clamping plate (4) through a clamping groove.