CN114414372A - Push-pull force testing device for intelligent electric energy meter - Google Patents

Abstract

The invention discloses a push-pull force testing device for an intelligent electric energy meter, which comprises a base, wherein a positioning piece for fixing the electric energy meter is arranged on the base, a detection box is movably arranged on the base, a pressure applying mechanism is arranged in the detection box, a terminal of the electric energy meter is pressed by the pressure applying mechanism, an amplifying mechanism is arranged in the detection box and is in transmission connection with the pressure applying mechanism, an observation piece for observing pressure change is arranged on the outer wall of the detection box, the observation piece is in transmission connection with the amplifying mechanism, the push-pull force testing device for the intelligent electric energy meter can amplify the original tiny displacement during pressure application by arranging the amplifying mechanism in the detection box, so that a detection person can observe the pressure change condition, better reflect the stress condition of the terminal of the electric energy meter, and through arranging an LED lamp, the brightness change of the LED lamp during pressure application, the change condition of the pressure can be reflected, and the detection personnel can accurately and quickly detect the pressure conveniently.

Description

A push-pull test device for smart energy meters

technical field

The invention relates to the technical field of testing devices, in particular to a push-pull force testing device for smart electric energy meters.

Background technique

With the rise of smart grid construction in various countries in the world, smart energy meters, as the terminal of smart grids, have been widely promoted and applied in countries around the world. The accuracy and reliability of smart energy meters are still the focus of attention, which directly affects the For the economic interests of power generation companies, power supply companies and electricity customers, thrust test is a very important full-performance test project in the quality control of smart energy meters.

According to Article 8.5 of the State Grid One-way Smart Energy Meter Type Specification Q/CDW 1355-2003: When the voltage and current terminals are subjected to an axial pressure of 60N, the terminals should not be loosened and displaced. The existing thrust test is mainly Manual loading is done manually and the deformation is observed with the naked eye. There are also a small number of machines that automatically apply pressure, but it is difficult for the machines to automatically apply pressure to observe changes in pressure, and it is inconvenient to intuitively perform real-time pressure changes during testing. Observed. To this end, we propose a push-pull test device for smart energy meters.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a push-pull force test device for a smart electric energy meter to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a push-pull test device for a smart electric energy meter, comprising a base, a positioning member for fixing an electric energy meter is arranged on the base, and a detection box is movably arranged on the base, A pressure pressing mechanism is arranged in the detection box, through which the terminals of the electric energy meter are pressed, and an amplification mechanism is arranged in the detection box, and the amplification mechanism is connected with the pressure application mechanism in a driving manner. An observation piece for observing pressure changes is arranged on the outer wall of the box, and the observation piece is in driving connection with the magnifying mechanism.

Preferably, lateral movement guide rails are arranged on both sides of the base, a moving plate is movably arranged on the lateral movement guide rail, a lateral movement motor is arranged on the base, and a lateral screw rod is arranged at the output end of the lateral movement motor, A transverse nut is arranged on the outer side of the transverse screw rod, and the transverse nut is fixedly connected with the moving plate, and longitudinal moving guide rails are arranged on both sides of the moving plate, and the detection box is movably arranged on the longitudinal moving guide rail, and the moving plate A longitudinal movement motor is provided, the output end of the longitudinal movement motor is provided with a longitudinal screw rod, and a longitudinal nut is arranged on the outer side of the longitudinal screw rod, and the longitudinal nut is fixedly connected with the bottom of the detection box.

Preferably, the positioning member includes a placement box arranged on the base, a positioning plate is movably arranged in the placement box, a positioning spring is arranged in the placement box, and the two ends of the positioning spring are respectively connected with the inner wall of the placement box and the positioning plate. Board fixed connection.

Preferably, the pressing mechanism includes a pressing screw that is rotatably arranged in the detection box, a pressing nut is arranged on the outside of the pressing screw, and a pressing head is arranged on one side of the pressing nut, and the pressing The pressure head moves through the bottom of the detection box, the detection box is provided with a pressure application motor, the output end of the pressure application motor and the top end of the pressure application screw rod are both provided with pulleys, and a belt is arranged on the outside of the belt pulley. The pressing motor drives the pressing screw to rotate through the belt drive.

Preferably, the side wall of the detection box is provided with a telescopic rod, the end of the telescopic rod is provided with a rotating seat, the outer side of the telescopic rod is provided with a tension spring, and the two ends of the tension spring are respectively connected with the inner wall of the detection box and the rotation seat. The seat is fixedly connected, and a tensioning wheel used with the belt is rotatably arranged in the rotating seat.

Preferably, the amplifying mechanism includes a transmission shaft rotatably arranged in the detection box, a transmission gear is arranged on the transmission shaft, a transmission rack is arranged on the outer side of the pressure nut, and the outer side of the transmission shaft is arranged with a transmission gear engaged with the transmission gear. A magnifying gear is also provided, the magnifying gear and the transmission gear rotate synchronously with the transmission shaft, a slide rail is arranged on the inner wall of the detection box, and an magnifying rack meshing with the magnifying gear is movably arranged in the slide rail. The gear ratio of the gear to the transmission gear is greater than one.

Preferably, a moving groove is formed on the outer wall of the detection box, a sliding groove is formed on the outer side of the sliding rail, and the observation member includes a moving rod movably arranged in the moving groove, and one end of the moving rod located in the detection box is movably arranged In the chute and fixedly connected with the magnifying rack, the other end of the moving rod is provided with an indicator block, and the outer wall of the detection box is provided with a scale.

Preferably, an LED light is further arranged outside the detection box, a sliding rheostat is arranged in the detection box, the sliding varistor is electrically connected with the LED light, and a connecting rod is arranged on the moving rod, and the connecting rod is connected to the LED light. The sliding piece on the sliding rheostat is fixedly connected.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the present invention, by setting an amplifying mechanism in the detection box, it is possible to amplify the original tiny displacement when applying pressure, which is convenient for the inspectors to observe the pressure change and better reflects the force on the terminals of the electric energy meter. situation, and by setting the LED light, the change of the brightness of the LED light when the pressure is applied can also reflect the change of the pressure, which is convenient for the inspection personnel to detect more accurately and quickly.

2. In the present invention, by arranging a tensioning wheel in the detection box, the transmission stability of the pressing mechanism can be ensured, so that the data during pressing can be accurate, so that the device can be used stably. The meter is effectively fixed, and the electric energy meter can be quickly and accurately detected with the lateral movement and vertical movement of the detection box.

Description of drawings

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

Fig. 2 is another azimuth structural schematic diagram of Fig. 1 of the present invention;

Fig. 3 is another azimuth structural schematic diagram of Fig. 2 of the present invention;

Fig. 4 is the top view structure schematic diagram of the present invention;

Fig. 5 is the cross-sectional structural schematic diagram of the detection box of the present invention;

FIG. 6 is a schematic diagram of another azimuth structure of FIG. 5 of the present invention;

FIG. 7 is a schematic plan view of the structure of FIG. 6 of the present invention;

Fig. 8 is a partial cross-sectional structural schematic diagram of the detection box of the present invention;

FIG. 9 is a schematic diagram of the partial structure of the observation piece of the present invention.

In the figure: 1-base; 2-positioning piece; 21-placement box; 22-positioning plate; 23-positioning spring; 3-detection box; 4-pressing mechanism; 41-pressing screw; 42-pressing nut ;43-Pressure head; 44-Pressure motor;45-Pulley; 46-Belt; 47-Telescopic rod; 48-Rotation seat; 49-Tension spring; 410-Tension wheel; - Transmission shaft; 52 - transmission gear; 53 - transmission rack; 54 - enlargement gear; 55 - slide rail; 56 - enlargement rack; 6 - observation piece; 61 - moving slot; 62 - chute; ;64-indicating block;65-scale;66-LED light;67-sliding rheostat;68-connecting rod;7-transverse guide rail;8-moving plate;9-transverse motor;10-transverse screw;11- Transverse nut; 12-longitudinal moving guide rail; 13-longitudinal moving motor; 14-longitudinal screw; 15-longitudinal nut.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-9, the present invention provides a technical solution: a push-pull force test device for a smart electric energy meter, comprising a base 1, a positioning member 2 for fixing the electric energy meter is arranged on the base 1, and a movably arranged on the base 1 The detection box 3 is provided with a pressure pressing mechanism 4, and the terminals of the electric energy meter are pressed through the pressure pressing mechanism 4, and an amplification mechanism 5 is arranged in the detection box 3, and the amplification mechanism 5 is connected with the pressure pressing mechanism 4 by transmission. The outer wall of the detection box 3 is provided with an observation piece 6 for observing the pressure change, and the observation piece 6 is connected with the magnifying mechanism 5 in a driving manner. Amplification is convenient for inspectors to observe the pressure changes, and better reflect the force of the terminals of the electric energy meter.

Both sides of the base 1 are provided with lateral moving guide rails 7, the lateral moving guide rail 7 is movably provided with a moving plate 8, the base 1 is provided with a lateral moving motor 9, the output end of the lateral moving motor 9 is provided with a lateral screw rod 10, and the lateral screw rod 10. A transverse nut 11 is provided on the outer side, and the transverse nut 11 is fixedly connected with the moving plate 8. A longitudinal moving guide rail 12 is arranged on both sides of the moving plate 8, and the detection box 3 is movably arranged on the longitudinal moving guide rail 12. The motor 13, the output end of the longitudinal movement motor 13 is provided with a longitudinal screw 14, the outer side of the longitudinal screw 14 is provided with a longitudinal nut 15, and the longitudinal nut 15 is fixedly connected with the bottom of the detection box 3. When in use, the detection box 3 can be placed on the base 1. The horizontal and vertical movements are carried out, so as to detect multiple electric energy meters fixed on the base 1. When the lateral movement motor 9 is started, the lateral screw 10 is driven to rotate, and the lateral screw 10 drives the lateral nut 11 and is fixedly connected with the lateral nut 11. The moving plate 8 moves on the base 1 , the longitudinal movement motor 13 starts to drive the longitudinal screw 14 to rotate, and the longitudinal screw 14 drives the longitudinal nut 15 and the detection box 3 fixedly connected with the longitudinal nut 15 to move on the moving plate 8 .

The positioning member 2 includes a placing box 21 arranged on the base 1, a positioning plate 22 is movably arranged in the placing box 21, a positioning spring 23 is arranged in the placing box 21, and the two ends of the positioning spring 23 are respectively connected with the inner wall of the placing box 21 and the positioning plate 22. For fixed connection, when placing the electric energy meter, the electric energy meter is directly inserted into the placing box 21, and the electric energy meter is fixed by pressing the positioning plate 22 through the positioning spring 23.

The pressing mechanism 4 includes a pressing screw 41 rotatably arranged in the detection box 3 , a pressing nut 42 is arranged on the outside of the pressing screw 41 , and a pressing head 43 is arranged on one side of the pressing nut 42 , and the pressing head 43 is movable Running through the bottom of the detection box 3, a pressure motor 44 is arranged in the detection box 3. The output end of the pressure motor 44 and the top end of the pressure screw 41 are provided with a pulley 45, and a belt 46 is arranged outside the pulley 45. The pressure motor 44 The pressing screw 41 is driven to rotate by the belt drive. During the detection, the pressing motor 44 is started, and the pressing screw 41 is driven to rotate by the pulley 45 and the belt 46, and the pressing screw 41 drives the pressing nut 42 to move downward. , and then drive the pressure application head 43 to perform pressure detection on the terminals of the electric energy meter. When the detection is completed, the pressure application motor 44 starts to drive the pressure application screw rod 41 to rotate in the reverse direction, so that the pressure application head 43 is reset, and then the detection box 3 moves to The next energy meter is tested.

The side wall of the detection box 3 is provided with a telescopic rod 47, the end of the telescopic rod 47 is provided with a rotating seat 48, the outer side of the telescopic rod 47 is provided with a tension spring 49, and the two ends of the tension spring 49 are respectively fixed to the inner wall of the detection box 3 and the rotating seat 48 Connected, the rotating seat 48 is provided with a tensioning wheel 410 that is used in conjunction with the belt 46, and the tensioning wheel 410 is pushed by the real-time elastic force of the spring to tighten the belt 46 all the time, so that the pulley 45 and the belt 46 maintain stable cooperation , to ensure the smooth progress of pressure.

The amplifying mechanism 5 includes a transmission shaft 51 rotatably arranged in the detection box 3 , a transmission gear 52 is arranged on the transmission shaft 51 , a transmission rack 53 meshing with the transmission gear 52 is arranged on the outer side of the pressing nut 42 , and the outer side of the transmission shaft 51 is also arranged There is a magnifying gear 54, the magnifying gear 54 and the transmission gear 52 rotate synchronously with the transmission shaft 51, a slide rail 55 is arranged on the inner wall of the detection box 3, and an magnifying rack 56 meshing with the magnifying gear 54 is movably arranged in the slide rail 55. The magnifying gear The gear ratio of 54 to the transmission gear 52 is greater than one. When applying pressure, the pressure nut 42 drives the transmission rack 53 to move, the transmission rack 53 drives the transmission gear 52 to rotate, and the transmission gear 52 drives the transmission shaft 51 and the enlargement gear 54 to rotate. At the same time, the amplifying gear 54 drives the amplifying rack 56 to move. Since the gear ratio between the amplifying gear 54 and the transmission gear 52 is greater than one, the displacement distance of the amplifying rack 56 is larger than that of the transmission rack 53, and the transmission rack 53 The displacement distance is the displacement distance of the pressing head 43 . Since the displacement of the pressing head 43 is too small to be observed, the displacement of the transmission rack 53 can be reflected by amplifying the displacement of the rack 56 .

The outer wall of the detection box 3 is provided with a moving groove 61, and the outer side of the slide rail 55 is provided with a sliding groove 62. The observation member 6 includes a moving rod 63 movably arranged in the moving groove 61. The slot 62 is fixedly connected with the magnifying rack 56, the other end of the moving rod 63 is provided with an indicator block 64, and the outer wall of the detection box 3 is provided with a scale 65. When the magnifying rack 56 moves, the indicator block 64 is driven by the moving rod 63 to move. By moving in the groove 61 , through the indicator block 64 and the scale 65 , the inspector can judge the real-time change of the pressure by observing the displacement of the indicator block 64 .

The outer side of the detection box 3 is also provided with an LED light 66 , the detection box 3 is provided with a sliding rheostat 67 , the sliding rheostat 67 is electrically connected with the LED light 66 , the moving rod 63 is provided with a connecting rod 68 , and the connecting rod 68 is connected to the sliding rheostat 67 . When the moving rod 63 moves, the moving rod 63 drives the sliding sheet on the sliding rheostat 67 to move through the connecting rod 68, so that the resistance value of the sliding rheostat 67 changes, and the straight tube can react to the LED light 66. In terms of brightness, the inspector can observe the real-time change of the applied pressure through the indicator block 64 and the brightness of the LED light 66 .

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides an intelligence is push-and-pull power testing arrangement for electric energy meter, includes base (1), its characterized in that: be provided with setting element (2) that are used for fixed electric energy meter on base (1), the activity is provided with detection case (3) on base (1), be provided with application of pressure mechanism (4) in detection case (3), through application of pressure mechanism (4) are exerted pressure to the terminal of electric energy meter, be provided with mechanism (5) of amplification in detection case (3), mechanism (5) of amplification is connected with application of pressure mechanism (4) transmission, be provided with on detection case (3) outer wall and be used for observing observation piece (6) of pressure variation, it is connected with mechanism (5) transmission of amplification to observe piece (6).

2. The push-pull force testing device for the intelligent electric energy meter according to claim 1, characterized in that: both sides of the base (1) are provided with transverse moving guide rails (7), a moving plate (8) is movably arranged on the transverse moving guide rails (7), a transverse moving motor (9) is arranged on the base (1), a transverse screw rod (10) is arranged at the output end of the transverse moving motor (9), a transverse nut (11) is arranged on the outer side of the transverse screw rod (10), the transverse nut (11) is fixedly connected with the moving plate (8), longitudinal moving guide rails (12) are arranged on two sides of the moving plate (8), the detection box (3) is movably arranged on the longitudinal moving guide rails (12), a longitudinal moving motor (13) is arranged on the moving plate (8), a longitudinal screw rod (14) is arranged at the output end of the longitudinal moving motor (13), the outer side of the longitudinal screw rod (14) is provided with a longitudinal nut (15), and the longitudinal nut (15) is fixedly connected with the bottom of the detection box (3).

3. The push-pull force testing device for the intelligent electric energy meter according to claim 2, characterized in that: the positioning piece (2) comprises a placing box (21) arranged on the base (1), a positioning plate (22) is arranged in the placing box (21) in an inner moving mode, a positioning spring (23) is arranged in the placing box (21), and two ends of the positioning spring (23) are fixedly connected with the inner wall of the placing box (21) and the positioning plate (22) respectively.

4. The push-pull force testing device for the intelligent electric energy meter according to claim 3, characterized in that: the pressing mechanism (4) comprises a pressing screw rod (41) which is rotatably arranged in the detection box (3), a pressing nut (42) is arranged on the outer side of the pressing screw rod (41), a pressing head (43) is arranged on one side of the pressing nut (42), the pressing head (43) movably penetrates through the bottom of the detection box (3), a pressing motor (44) is arranged in the detection box (3), belt wheels (45) are arranged at the output end of the pressing motor (44) and the top end of the pressing screw rod (41), a belt (46) is arranged on the outer side of each belt wheel (45), and the pressing motor (44) drives the pressing screw rod (41) to rotate through belt transmission.

5. The push-pull force testing device for the intelligent electric energy meter according to claim 4, characterized in that: the detection case (3) lateral wall is provided with telescopic link (47), telescopic link (47) tip is provided with rotates seat (48), telescopic link (47) outside is provided with tensioning spring (49), tensioning spring (49) both ends respectively with detection case (3) inner wall and rotate seat (48) fixed connection, it is provided with take-up pulley (410) with belt (46) cooperation use to rotate seat (48) internal rotation.

6. The push-pull force testing device for the intelligent electric energy meter according to claim 5, characterized in that: the amplification mechanism (5) is including rotating transmission shaft (51) that sets up in detection case (3), be provided with drive gear (52) on transmission shaft (51), the nut (42) outside of exerting pressure is provided with transmission rack (53) with drive gear (52) meshing, the transmission shaft (51) outside still is provided with amplification gear (54), amplification gear (54) and drive gear (52) follow transmission shaft (51) synchronous revolution, be provided with slide rail (55) on detection case (3) inner wall, the activity is provided with and amplifies gear (54) meshing's amplification rack (56) in slide rail (55), the tooth ratio of amplification gear (54) and drive gear (52) is greater than one.

7. The push-pull force testing device for the intelligent electric energy meter according to claim 6, characterized in that: removal groove (61) have been seted up to detection case (3) outer wall, spout (62) have been seted up in slide rail (55) outside, observe movable rod (63) that piece (6) set up in removal groove (61) including the activity, movable rod (63) are located the one end activity setting in detection case (3) in spout (62) and with enlargie rack (56) fixed connection, movable rod (63) other end is provided with instruction piece (64), detection case (3) outer wall is provided with scale (65).

8. The push-pull force testing device for the intelligent electric energy meter according to claim 7, characterized in that: the LED lamp (66) is further arranged on the outer side of the detection box (3), a sliding rheostat (67) is arranged in the detection box (3), the sliding rheostat (67) is electrically connected with the LED lamp (66), a connecting rod (68) is arranged on the moving rod (63), and the connecting rod (68) is fixedly connected with a sliding sheet on the sliding rheostat (67).

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