A daily time calibration device for electric energy meters

Abstract

The invention discloses a daily timing calibration device for an electric energy meter, and belongs to the technical field of electric energy meter calibration. The daily timing calibration device for an electric energy meter comprises a calibration table. The electric energy meter daily timing calibration device drives a lower pressure plate at the bottom to move downward by starting a cylinder, drives a daily timing calibrator at the bottom to move downward, and drives a strip plate to move downward by a connecting plate at the same time, enters a sliding hole of a placement table to contact a horizontal plate, presses the horizontal plate downward to drive a lower slide plate to slide down, and rotates a connecting rod, thereby driving two clamping plates to slide on the placement table to clamp the electric energy meter, and then the daily timing calibrator is plugged into the electric energy meter to perform daily timing calibration, so that the electric energy meter can be fixed while the daily timing calibration is being performed, so that the daily timing calibrator can be accurately connected to the electric energy meter, and the calibration can be completed without manually fixing the electric energy meter, thereby greatly improving the calibration efficiency and reducing the labor intensity of the staff.

Description

Technical Field

[0001] The invention relates to the technical field of electric energy meter calibration, and in particular to an electric energy meter daily timing calibration device. Background Art

[0002] The electric energy meter, also known as the watt-hour meter, fire meter, and kilowatt-hour meter, is an instrument used to measure electric energy. The main function of the electric energy meter is to accurately record the electric energy consumed by the user. It measures the current and voltage and calculates the amount of electric energy used according to a certain algorithm. The daily timing calibration of the electric energy meter is an important link to ensure the accuracy of the electric energy meter timing. Its purpose is to verify whether the timing of the electric energy meter is accurate within a day. The accuracy of daily timing has a key impact on the measurement, billing, and recording and analysis of related data of electric energy. The electric energy meter calibration station is a device specially used for accuracy calibration and performance testing of electric energy meters. It usually consists of multiple parts, including a standard power supply, a measuring unit, a control unit, and a display unit. The standard power supply provides stable and accurate voltage and current signals to simulate actual power consumption. The measuring unit is responsible for accurately measuring the output data of the electric energy meter, such as electric energy measurement value, voltage, current, power, etc. The control unit is used to operate and set calibration parameters, such as calibration items, calibration points, and calibration times. The display unit intuitively displays the calibration results and related data.

[0003] After searching, the Chinese patent publication number CN110346749A discloses an electric energy meter calibration table, including a working platform, an electric energy meter support slide, a fixed positioning seat, a movable positioning seat, an electric push rod mechanism, a calibration device support table and a calibration device, the electric energy meter support slide is movably mounted on a guide rail, an electric push rod mechanism is provided at the rear of the electric energy meter support slide, a plurality of electric energy meter mounting seats for fixedly mounting the electric energy meter are provided on the electric energy meter support slide, a fixed positioning seat and a movable positioning seat are provided on the electric energy meter mounting seat, a movable pressing plate is provided on the movable positioning seat, a calibration table is provided in front of the guide rail, a calibration device support table is installed on the calibration table, a plurality of calibration devices are fixed on the calibration device support table, the calibration device is suitable for being electrically connected to the electric energy meter to be calibrated and calibrating its parameters, and a cover is provided above the calibration device support table. The above patent has the following deficiencies: some existing electric energy meters are usually installed outdoors in dusty factories, workshops and other places, so that there is some dust inside the plug-in verification hole of the electric energy meter. This dust may enter the measurement interface, sensor and other parts of the verification equipment, interfere with the accuracy of the measurement signal, and thus cause deviations in the verification results. If dust covers the contacts connected to the electric energy meter on the electric energy meter verification table, it may cause poor contact, making the measured electric energy data inaccurate, and causing large deviations in the daily timing verification data of the electric energy meter. When the existing equipment verifies the daily timing of the electric energy meter, the electric energy meter is generally placed on the verification table manually, then manually fixed, and then plugged in for verification. This method is not only unsafe, but also inefficient. The electric energy meter needs to be manually fixed and verified at each step. Summary of the invention

[0004] The purpose of the present invention is to solve the problem in the prior art that when checking the daily timing of an electric energy meter on a checking table, it needs to be manually fixed and then plugged into a checker, and the electric energy meter cannot be automatically fixed, and a daily timing checking device for an electric energy meter is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A daily timing calibration device for an electric energy meter comprises a calibration table, an electric energy meter is arranged on the surface of the calibration table, a daily timing calibrator is arranged on the calibration table, a cylinder is fixedly installed on the top of the calibration table, a placing table is slidably arranged on the lower surface of the calibration table, a cavity is opened inside the placing table, and further comprises: a lower pressing plate, fixedly connected to the bottom of the cylinder, the daily timing calibrator is fixedly connected to the bottom of the lower pressing plate; a connecting plate, fixedly connected to the inner surface of the daily timing calibrator, a strip plate is fixedly connected to the bottom of the connecting plate, and a sliding hole corresponding to the strip plate is opened on the surface of the placing table; two clamping plates, slidably connected to the placing table, the bottoms of the two clamping plates are fixedly connected to connecting blocks, the bottoms of the connecting blocks are hinged with connecting rods, and the bottoms of the two connecting rods are hinged with lower slide plates; a cross plate, fixedly connected to the top of the lower slide plate, the bottom of the lower slide plate is slidably connected to a support rod, the bottom of the support rod is fixedly connected to the bottom inner wall of the placing table, and a first spring is arranged inside the lower slide plate.

[0007] Preferably, the strip plate is slidably connected to a sliding hole on the surface of the placing table, a rectangular hole is opened on the surface of the placing table, and the connecting block passes through the rectangular hole of the placing table and is slidably connected to the rectangular hole of the placing table.

[0008] Preferably, a circular groove is provided on the bottom surface of the lower slide plate, the top of the first spring is fixedly connected to the top inner wall of the circular groove of the lower slide plate, the bottom of the first spring is fixedly connected to the top of the support rod, and a non-slip sponge sheet is fixedly connected to the inner surface of the splint.

[0009] Preferably, the output end of the cylinder passes through the top of the inspection table and is slidably connected to the inspection table. Two slide rails are fixedly connected to the inner surface of the inspection table. A slider is slidably connected inside the slide rails, and the slider is fixedly connected to the lower pressure plate.

[0010] Preferably, a cylindrical tube is fixedly connected to the inner wall of the bottom of the inspection table, a sliding rod is slidably connected to the inside of the cylindrical tube, the top of the sliding rod is fixedly connected to the placement table, a second spring is sleeved on the surface of the sliding rod, one end of the second spring is fixedly connected to the placement table, and the other end of the second spring is fixedly connected to the cylindrical tube.

[0011] Preferably, the top surface of the lower pressure plate is fixedly connected to a piston cylinder, the left bottom surface of the piston cylinder is fixedly connected to a blowing pipe, the blowing pipe passes through the lower pressure plate and the connecting plate and is fixedly connected to the lower pressure plate and the connecting plate, the lower surface of the piston cylinder is fixedly connected to an air suction pipe, and one-way valves are fixedly installed on the surfaces of the blowing pipe and the air suction pipe.

[0012] Preferably, the internal piston of the piston cylinder is connected to a piston plate, a push rod is fixedly connected to the top surface of the piston plate, the push rod passes through the piston cylinder and is slidably connected to the piston cylinder, a stop block is fixedly connected to the top surface of the push rod, a third spring is sleeved on the surface of the push rod, one end of the third spring is fixedly connected to the piston cylinder, and the other end of the third spring is fixedly connected to the stop block.

[0013] Preferably, a rack penetrates the surface of the lower pressure plate, and the rack is slidably connected to the lower pressure plate. A through hole corresponding to the rack is opened on the top of the inspection table. An L-shaped plate is fixedly connected to the top surface of the lower pressure plate, and a pulley is rotatably connected to the top of the L-shaped plate. A pull rope is slidably connected to the pulley, one end of the pull rope is fixedly connected to the rack, and the other end of the pull rope is fixedly connected to a counterweight block. A through hole corresponding to the counterweight block is opened on the surface of the lower pressure plate.

[0014] Preferably, the top surface of the lower pressure plate is fixedly connected to a bearing plate, the top surface of the bearing plate is rotatably connected to a rotating rod, the surface of the rotating rod close to the bearing plate is penetrated by a gear and fixedly connected to the rotating rod, the gear is meshed with a rack, the end surface of the rotating rod away from the bearing plate is fixedly connected to a cam, and the cam is slidably connected to the stop block.

[0015] Preferably, a sliding groove is provided on the surface of the placing table, and guide rods are fixedly connected to the inner walls on both sides of the sliding groove of the placing table, a sliding plate passes through the surface of the guide rod and is slidably connected to the guide rod, the sliding plate is slidably connected to the sliding groove of the placing table, a fourth spring is sleeved on the surface of the guide rod, one end of the fourth spring is fixedly connected to the sliding plate, and the other end of the fourth spring is fixedly connected to the inner wall of the sliding groove of the placing table, the top surface of the sliding plate is fixedly connected to an inclined plate, the surface of the strip plate is hinged with a rotating plate, a torsion spring is fixedly connected between the top surface of the rotating plate and the strip plate, and a baffle is fixedly connected to the surface of the strip plate near the bottom of the rotating plate, and the torsion force of the torsion spring is less than the elastic force of the fourth spring.

[0016] Compared with the prior art, the present invention provides an electric energy meter daily time calibration device, which has the following beneficial effects:

[0017] 1. The daily timing calibration equipment for the electric energy meter drives the bottom lower pressure plate to move downward by starting the cylinder, drives the bottom daily timing calibrator to move downward, and drives the strip plate to move downward through the connecting plate at the same time, enters the sliding hole of the placement table and contacts the horizontal plate, presses down the horizontal plate to drive the lower slide plate to slide down, and rotates the connecting rod, thereby driving the two clamping plates to slide on the placement table to clamp the electric energy meter, and then the daily timing calibrator is plugged into the electric energy meter to perform daily timing calibration, so that the electric energy meter can be fixed while the daily timing calibrator is being performed, so that the daily timing calibrator can be accurately connected to the electric energy meter, and the calibration can be completed without manually fixing the electric energy meter, which greatly improves the calibration efficiency and reduces the labor intensity of the staff.

[0018] 2. The daily timing calibration device for the electric energy meter will make the placement table slide downward when the daily timing calibrator is used to calibrate the electric energy meter. When the placement table slides down, the second spring is compressed by the sliding rod to slide in the cylindrical tube, which can reduce the impact force generated during the plug-in process and avoid damage to the electric energy meter and the daily timing calibrator.

[0019] 3. The daily timing calibration equipment for the electric energy meter drives the lower pressure plate to move downward by the cylinder before clamping the electric energy meter. At the same time, the rack contacts the surface of the placement table, and then the rack slides upward. At the same time, the counterweight block is pulled up by the pull rope, and the rack meshes with the gear to rotate, thereby driving the rotating rod to rotate, so that the cam rotates and contacts the block, so that the block drives the push rod to slide downward, thereby driving the piston plate to slide downward in the piston cylinder. When the cam rotates to the other side, the block is automatically reset under the action of the third spring, and the piston plate is reset upward at the same time, through the suction pipe Air is sucked into the piston cylinder, and then the cam contacts the block again, causing the push rod to push the piston plate downward to compress the air in the piston cylinder and squeeze it out from the air blow pipe, thereby cleaning the plug hole and dust on the surface of the electric energy meter. This reciprocating operation can achieve repeated blowing and cleaning of the plug hole and surface of the electric energy meter by the air blow pipe, which helps to make the connection between the daily time verifier and the electric energy meter more stable, and can stably receive and transmit signals during verification, effectively avoiding data errors caused by poor contact, and also has the benefit of reducing signal interference, thereby improving the accuracy of verification.

[0020] 4. The daily timing verification equipment for the electric energy meter, the cylinder drives the lower pressure plate to slide downward, and at the same time drives the strip plate to slide down, the strip plate drives the rotating plate on the surface to move downward, after the strip plate enters the sliding hole of the placement table, the rotating plate contacts the inclined plate, under the action of the torsion spring, the rotating plate rotates upward, and the inclined plate will not slide, then after the strip plate presses the cross plate down, the rotating plate slides to the bottom of the inclined plate, and automatically resets under the action of the torsion spring, and then when the daily timing verification of the electric energy meter is completed, the cylinder drives the lower pressure plate to reset upward, and when the daily timing verifier and the strip plate slide up and reset, the strip plate and the cross plate are disengaged. When the rotating plate is disengaged from the inclined plate, the lower sliding plate is automatically reset under the action of the first spring, and then the two clamping plates are automatically no longer fixed to the electric energy meter. Then, the rotating plate contacts the inclined surface of the inclined plate when following the strip plate to reset upwards. Along the inclined surface of the inclined plate, the inclined plate slides along the slide groove of the placement table under the action of the guide rod and the sliding plate. When the rotating plate slides to be disengaged from the inclined plate, the electric energy meter is pushed out, thereby pushing the electric energy meter out from the placement table. The electric energy meter can be automatically pushed out after the daily timing calibration of the electric energy meter is completed, making it convenient for the staff to take it down for the next calibration, thereby effectively improving the calibration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front structural schematic diagram of an electric energy meter daily timing calibration device proposed by the present invention;

[0022] Figure 2 This is a schematic diagram of the side structure of an electric energy meter daily timing calibration device proposed by the present invention;

[0023] Figure 3 This is a front cross-sectional structural schematic diagram of an electric energy meter daily timing calibration device proposed by the present invention;

[0024] Figure 4 A daily time calibration device for electric energy meters proposed by the present invention Figure 3 The structural diagram of part A in the figure;

[0025] Figure 5 A daily time calibration device for electric energy meters proposed by the present invention Figure 3 The structural diagram of part B;

[0026] Figure 6 This is a front view structural diagram of an electric energy meter daily timing calibration device proposed by the present invention;

[0027] Figure 7 A daily time calibration device for electric energy meters proposed by the present invention Figure 6 Schematic diagram of the structure of part C;

[0028] Figure 8 This is a schematic diagram of the side cross-sectional structure of an electric energy meter daily timing calibration device proposed by the present invention;

[0029] Fig. 9 A daily time calibration device for electric energy meters proposed by the present invention Figure 8 The structural diagram of the D part;

[0030] Fig.10 A daily time calibration device for electric energy meters proposed by the present invention Figure 8 The structural diagram of the E part;

[0031] Fig.11 A daily time calibration device for electric energy meters proposed by the present invention Figure 8 The structural diagram of the F part;

[0032] Fig.12 This is a schematic structural diagram of the back side of the calibration table in the daily timing calibration device for electric energy meters proposed by the present invention;

[0033] Fig.13 This is a schematic structural diagram of a placement table top surface and a slide rail in an electric energy meter daily timing calibration device proposed by the present invention;

[0034] Fig.14 A daily time calibration device for electric energy meters proposed by the present invention Fig.13 The structural diagram of the G part;

[0035] Fig.15 This is a schematic diagram of the left-side cross-section structure of an electric energy meter daily timing calibration device proposed by the present invention;

[0036] Fig.16 A daily time calibration device for electric energy meters proposed by the present invention Fig.15 Schematic diagram of the structure of part H.

[0037] In the figure: 1. Checking table; 2. Electric energy meter; 3. Daily time checker; 4. Cylinder; 5. Placement table; 6. Lower pressure plate; 7. Connecting plate; 8. Strip plate; 9. Clamping plate; 10. Connecting block; 11. Connecting rod; 12. Lower slide plate; 13. Horizontal plate; 14. Support rod; 15. First spring; 16. Anti-skid sponge sheet; 17. Slide rail; 18. Sliding block; 19. Cylinder; 20. Sliding rod; 21. Second spring; 22. Plug cylinder; 23. Blowing pipe; 24. Suction pipe; 25. Piston plate; 26. Push rod; 27. Stop block; 28. Third spring; 29. ​​Rack; 30. L-shaped plate; 31. Pulley; 32. Pull rope; 33. Counterweight; 34. Bearing plate; 35. Turning rod; 36. Gear; 37. Cam; 38. Guide rod; 39. Sliding plate; 40. Fourth spring; 41. Inclined plate; 42. Turning plate; 43. Torsion spring; 44. Baffle. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0039] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] Example 1: Reference Figure 1-Figure 16 A daily time calibration device for an electric energy meter comprises a calibration table 1, an electric energy meter 2 is arranged on the surface of the calibration table 1, a daily time calibration device 3 is arranged on the calibration table 1, a cylinder 4 is fixedly installed on the top of the calibration table 1, a placing table 5 is slidably arranged on the lower surface of the calibration table 1, a cavity is opened inside the placing table 5, and further comprises: a lower pressing plate 6, fixedly connected to the bottom of the cylinder 4, the daily time calibration device 3 is fixedly connected to the bottom of the lower pressing plate 6; a connecting plate 7, fixedly connected to the inner surface of the daily time calibration device 3, and the bottom of the connecting plate 7 is fixedly connected with The strip plate 8 and the placement table 5 have sliding holes on their surfaces corresponding to the strip plate 8; two clamping plates 9 are slidably connected to the placement table 5, the bottoms of the two clamping plates 9 are fixedly connected with connecting blocks 10, the bottoms of the connecting blocks 10 are hinged with connecting rods 11, and the bottoms of the two connecting rods 11 are hinged with lower slide plates 12; a transverse plate 13 is fixedly connected to the top of the lower slide plate 12, the bottom of the lower slide plate 12 is slidably connected with a support rod 14, the bottom of the support rod 14 is fixedly connected to the bottom inner wall of the placement table 5, and a first spring 15 is arranged inside the lower slide plate 12.

[0041] When the electric energy meter 2 needs to be calibrated for daily timing, the electric energy meter 2 is placed between the two clamping plates 9 on the surface of the placement table 5, and then the cylinder 4 is started to drive the lower pressure plate 6 at the bottom to move downward, and the lower pressure plate 6 drives the daily timing verifier 3 at the bottom to move downward, and at the same time drives the strip plate 8 to move downward through the connecting plate 7, and the strip plate 8 first enters the sliding hole of the placement table 5, and then contacts the cross plate 13, presses the cross plate 13 downward, drives the lower slide plate 12 to slide down, and then drives the connecting rod 11 to rotate, thereby driving the two clamping plates 9 to slide on the placement table 5 to clamp the electric energy meter 2, and then the daily timing verifier 3 is plugged into the electric energy meter 2 to perform daily timing verification, so that the electric energy meter 2 can be fixed while the daily timing verification is being performed on the electric energy meter 2, so that the daily timing verifier 3 can be accurately connected to the electric energy meter 2, and the verification can be completed without manually fixing the electric energy meter 2, which greatly improves the verification efficiency and reduces the labor intensity of the staff.

[0042] Example 2: Reference Figure 1-Figure 15 , which is basically the same as the first embodiment, and further, the strip plate 8 is slidably connected to the sliding hole on the surface of the placing table 5, a rectangular hole is opened on the surface of the placing table 5, and the connecting block 10 passes through the rectangular hole of the placing table 5 and is slidably connected to the rectangular hole of the placing table 5.

[0043] In the present invention, the connecting block 10 can guide the sliding of the clamping plate 9, which helps to make the sliding of the clamping plate 9 more stable.

[0044] A circular groove is provided on the bottom surface of the lower slide plate 12, the top of the first spring 15 is fixedly connected to the top inner wall of the circular groove of the lower slide plate 12, the bottom of the first spring 15 is fixedly connected to the top of the support rod 14, and the inner surface of the splint 9 is fixedly connected to a non-slip sponge sheet 16.

[0045] In the present invention, when the strip plate 8 presses the horizontal plate 13 downward to drive the lower slide plate 12 downward, it can be guided by the support rod 14 to slide vertically downward. At the same time, the support rod 14 will slide upward to compress the first spring 15. After the electric energy meter 2 is calibrated, the first spring 15 helps the lower slide plate 12 to drive the connecting rod 11, the connecting block 10 and the clamping plate 9 to automatically reset, thereby releasing the clamping of the electric energy meter 2. The anti-slip sponge sheet 16 can clamp the electric energy meter 2 more stably, and at the same time help protect the outer shell of the electric energy meter 2 from scratches.

[0046] The output end of the cylinder 4 passes through the top of the inspection table 1 and is slidably connected to the inspection table 1. Two slide rails 17 are fixedly connected to the inner surface of the inspection table 1. A slider 18 is slidably connected inside the slide rail 17. The slider 18 is fixedly connected to the lower pressure plate 6.

[0047] In the present invention, when the cylinder 4 drives the lower pressing plate 6 to move downward, the slider 18 slides in the slide rail 17 to guide the lower pressing plate 6, which helps to make the lower pressing plate 6 slide up and down more stably.

[0048] Example 3: Reference Figure 8 and Fig.12 , which is basically the same as the first embodiment, and further, a cylindrical tube 19 is fixedly connected to the inner wall of the bottom of the inspection table 1, a sliding rod 20 is slidably connected to the inside of the cylindrical tube 19, the top of the sliding rod 20 is fixedly connected to the placement table 5, and a second spring 21 is sleeved on the surface of the sliding rod 20, one end of the second spring 21 is fixedly connected to the placement table 5, and the other end of the second spring 21 is fixedly connected to the cylindrical tube 19.

[0049] In the present invention, when the daily time checker 3 is plugged in and checked on the electric energy meter 2, the placement table 5 will slide downward. When the placement table 5 slides down, the second spring 21 is compressed by the sliding rod 20 to slide in the cylindrical tube 19, which can reduce the impact force generated during the plug-in process and avoid damage to the electric energy meter 2 and the daily time checker 3.

[0050] Example 4: Reference Figure 1-Figure 9 , which is basically the same as the first embodiment, and further, the top surface of the lower pressure plate 6 is fixedly connected to the piston cylinder 22, and the left bottom surface of the piston cylinder 22 is fixedly connected to the blowing pipe 23, the blowing pipe 23 passes through the lower pressure plate 6 and the connecting plate 7 and is fixedly connected to the lower pressure plate 6 and the connecting plate 7, and the lower surface of the piston cylinder 22 is fixedly connected to the suction pipe 24, and the surfaces of the blowing pipe 23 and the suction pipe 24 are fixedly installed with one-way valves.

[0051] The internal piston of the piston cylinder 22 is connected to a piston plate 25, and a push rod 26 is fixedly connected to the top surface of the piston plate 25. The push rod 26 passes through the piston cylinder 22 and is slidably connected to the piston cylinder 22. A stop block 27 is fixedly connected to the top surface of the push rod 26. A third spring 28 is sleeved on the surface of the push rod 26. One end of the third spring 28 is fixedly connected to the piston cylinder 22, and the other end of the third spring 28 is fixedly connected to the stop block 27.

[0052] In the present invention, the piston plate 25 can perform piston motion in the piston cylinder 22. The third spring 28 can automatically drive the piston plate 25 to reset upward after the piston plate 25 slides down when the stop block 27 is not resisted. The one-way valves on the suction pipe 24 and the blowing pipe 23 can prevent extrusion from the suction pipe 24 during blowing, and prevent inhalation from the blowing pipe 23 during suction.

[0053] A rack 29 penetrates the surface of the lower pressure plate 6, and the rack 29 is slidably connected to the lower pressure plate 6. A through hole corresponding to the rack 29 is opened on the top of the inspection table 1. An L-shaped plate 30 is fixedly connected to the top surface of the lower pressure plate 6. A pulley 31 is rotatably connected to the top of the L-shaped plate 30. A pull rope 32 is slidably connected to the pulley 31. One end of the pull rope 32 is fixedly connected to the rack 29, and the other end of the pull rope 32 is fixedly connected to a counterweight block 33. A through hole corresponding to the counterweight block 33 is opened on the surface of the lower pressure plate 6.

[0054] In the present invention, after the cylinder 4 drives the lower pressure plate 6 to reset upward, the counterweight block 33 can automatically pull the pull rope 32 to drive the rack 29 to reset downward. The pulley 31 can guide the pull rope 32, which helps to reduce the wear of the pull rope 32.

[0055] The top surface of the lower pressure plate 6 is fixedly connected to a bearing plate 34, and the top surface of the bearing plate 34 is rotatably connected to a rotating rod 35. A gear 36 penetrates the surface of the rotating rod 35 close to the bearing plate 34 and is fixedly connected to the rotating rod 35. The gear 36 is meshed with the rack 29. A cam 37 is fixedly connected to the surface of one end of the rotating rod 35 away from the bearing plate 34, and the cam 37 is slidably connected to the stop block 27.

[0056] In the present invention, in the initial state, the rack 29 is always in a suspended state under the action of the counterweight 33. When the cylinder 4 drives the lower pressure plate 6 to move downward, the rack 29 will first contact the surface of the placement table 5. At this time, the lower pressure plate 6 will continue to move downward, and then the rack 29 will slide upward and mesh with the gear 36, causing the gear 36 to rotate, thereby driving the rotating rod 35 to rotate, causing the cam 37 to rotate and contact with the stop block 27, so that the stop block 27 drives the push rod 26 to slide downward, thereby driving the piston plate 25 to slide downward in the piston cylinder 22. When the cam 37 rotates to the other side, under the action of the third spring 28, the stop block 27 is automatically reset, and at the same time, the piston plate 25 is driven to reset upward, and air is sucked into the piston cylinder 22 through the suction pipe 24. Then the cam 37 contacts with the stop block 27 again, causing the push rod 26 to push the piston plate 25 downward to compress the air in the piston cylinder 22, and the air is discharged from the blowing pipe 23. Extrusion, cleaning the plug hole and surface dust of the electric energy meter 2, this reciprocating operation can realize the repeated blowing and cleaning of the plug hole and surface of the electric energy meter 2 by the air blow pipe 23, which helps to make the connection between the daily timing verifier 3 and the electric energy meter 2 more stable, and can stably receive and transmit signals during verification, effectively avoiding data errors caused by poor contact, and also has the benefit of reducing signal interference, thereby improving the accuracy of verification; and the lower pressure plate 6 can only drive the gear 36 to rotate through the rack 29 after it moves downward to a certain position, thereby achieving the subsequent cleaning effect of the plug hole and surface dust of the electric energy meter 2, which can ensure the relative position between the daily timing verifier 3 and the electric energy meter 2 is stable, improve the cleaning effect, and reduce resource waste; the counterweight block 33 is set to automatically reset the rack 29 when the lower pressure plate 6 moves upward, which is convenient for repeated use.

[0057] Example 5: Reference Figure 1-Figure 16, which is basically the same as the first embodiment, and further, a slide groove is opened on the surface of the placement table 5, and guide rods 38 are fixedly connected to the inner walls on both sides of the slide groove of the placement table 5, and a sliding plate 39 passes through the surface of the guide rod 38 and is slidably connected to the guide rod 38, and the sliding plate 39 is slidably connected to the slide groove of the placement table 5, and a fourth spring 40 is sleeved on the surface of the guide rod 38, one end of the fourth spring 40 is fixedly connected to the sliding plate 39, and the other end of the fourth spring 40 is fixedly connected to the inner wall of the slide groove of the placement table 5, and an inclined plate 41 is fixedly connected to the top surface of the sliding plate 39, and a rotating plate 42 is hingedly connected to the surface of the strip plate 8, and a torsion spring 43 is fixedly connected between the top surface of the rotating plate 42 and the strip plate 8, and a baffle 44 is fixedly connected to the surface of the strip plate 8 near the bottom of the rotating plate 42, and the torsion force of the torsion spring 43 is less than the elastic force of the fourth spring 40.

[0058] When the bar plate 8 is moved upward, the lower plate 41 is automatically reset to the original position, and the lower plate 42 is automatically reset to the original position. The inclined plate 41 contacts with the inclined surface of the inclined plate 41, and along the inclined surface of the inclined plate 41, the inclined plate 41 slides along the slide groove of the placement table 5 under the action of the guide rod 38 and the sliding plate 39. When the rotating plate 42 slides to be disengaged from the inclined plate 41, the electric energy meter 2 is pushed out, thereby pushing the electric energy meter 2 out of the placement table 5. It can be achieved that the electric energy meter 2 is automatically pushed out after the daily timing calibration of the electric energy meter 2 is completed, which is convenient for the staff to take it down and conduct the next calibration, and the calibration efficiency is effectively improved. The baffle plate 44 can prevent the rotating plate 42 from rotating in the opposite direction, which helps to make the rotating plate 42 tightly contact with the inclined surface of the inclined plate 41. When the sliding plate 39 drives the inclined plate 41 to slide, the fourth spring 40 will be compressed, and the fourth spring 40 can make the inclined plate 41 automatically reset. The guide rod 38 can guide the sliding plate 39, the fourth spring 40 and the inclined plate 41, which helps to make them slide stably.

[0059] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electric energy meter daily time calibration device, comprising a calibration table (1), an electric energy meter (2) being arranged on the surface of the calibration table (1), and a daily time calibration device (3) being arranged on the calibration table (1), characterized in that: A cylinder (4) is fixedly mounted on the top of the inspection table (1), a placement table (5) is slidably arranged on the lower surface of the inspection table (1), a cavity is provided inside the placement table (5), and further comprises: A lower pressing plate (6) is fixedly connected to the bottom of the cylinder (4), and the daily time checker (3) is fixedly connected to the bottom of the lower pressing plate (6); A connecting plate (7) is fixedly connected to the inner surface of the daily time checker (3); a strip plate (8) is fixedly connected to the bottom of the connecting plate (7); and a sliding hole corresponding to the strip plate (8) is provided on the surface of the placement table (5); Two clamping plates (9) are slidably connected to the placement table (5); the bottoms of the two clamping plates (9) are fixedly connected to connecting blocks (10); the bottoms of the connecting blocks (10) are hinged to connecting rods (11); the bottoms of the two connecting rods (11) are hinged to lower slide plates (12); A horizontal plate (13) is fixedly connected to the top of the lower slide plate (12); the bottom of the lower slide plate (12) is slidably connected to a support rod (14); the bottom of the support rod (14) is fixedly connected to the bottom inner wall of the placement table (5); and a first spring (15) is provided inside the lower slide plate (12); The strip plate (8) is slidably connected to a sliding hole on the surface of the placement table (5); a rectangular hole is provided on the surface of the placement table (5); and the connecting block (10) passes through the rectangular hole of the placement table (5) and is slidably connected to the rectangular hole of the placement table (5); The top surface of the lower pressure plate (6) is fixedly connected to a piston cylinder (22), the left bottom surface of the piston cylinder (22) is fixedly connected to a blowing pipe (23), the blowing pipe (23) passes through the lower pressure plate (6) and the connecting plate (7) and is fixedly connected to the lower pressure plate (6) and the connecting plate (7), the lower surface of the piston cylinder (22) is fixedly connected to an air suction pipe (24), and one-way valves are fixedly installed on the surfaces of the blowing pipe (23) and the air suction pipe (24).

2. The electric energy meter daily time calibration device according to claim 1, characterized in that: A circular groove is formed on the bottom surface of the lower slide plate (12); the top of the first spring (15) is fixedly connected to the top inner wall of the circular groove of the lower slide plate (12); the bottom of the first spring (15) is fixedly connected to the top of the support rod (14); and an anti-slip sponge sheet (16) is fixedly connected to the inner surface of the clamping plate (9).

3. The electric energy meter daily time calibration device according to claim 1, characterized in that: The output end of the cylinder (4) passes through the top of the test bench (1) and is slidably connected to the test bench (1). Two slide rails (17) are fixedly connected to the inner surface of the test bench (1). A slider (18) is slidably connected inside the slide rail (17). The slider (18) is fixedly connected to the lower pressure plate (6).

4. The electric energy meter daily time calibration device according to claim 1, characterized in that: A cylindrical tube (19) is fixedly connected to the inner wall of the bottom of the inspection table (1), a sliding rod (20) is slidably connected to the inside of the cylindrical tube (19), the top of the sliding rod (20) is fixedly connected to the placement table (5), a second spring (21) is sleeved on the surface of the sliding rod (20), one end of the second spring (21) is fixedly connected to the placement table (5), and the other end of the second spring (21) is fixedly connected to the cylindrical tube (19).

5. The electric energy meter daily time calibration device according to claim 1, characterized in that: The internal piston of the piston cylinder (22) is connected to a piston plate (25), and the top surface of the piston plate (25) is fixedly connected to a push rod (26), and the push rod (26) passes through the piston cylinder (22) and is slidably connected to the piston cylinder (22), and the top surface of the push rod (26) is fixedly connected to a stop block (27), and the surface of the push rod (26) is sleeved with a third spring (28), one end of the third spring (28) is fixedly connected to the piston cylinder (22), and the other end of the third spring (28) is fixedly connected to the stop block (27).

6. The electric energy meter daily time calibration device according to claim 5, characterized in that: A rack (29) passes through the surface of the lower pressing plate (6), and the rack (29) is slidably connected to the lower pressing plate (6). A through hole corresponding to the rack (29) is provided on the top of the inspection table (1). An L-shaped plate (30) is fixedly connected to the top surface of the lower pressing plate (6), and a pulley (31) is rotatably connected to the top of the L-shaped plate (30). A pull rope (32) is slidably connected to the pulley (31), one end of the pull rope (32) is fixedly connected to the rack (29), and the other end of the pull rope (32) is fixedly connected to a counterweight (33). A through hole corresponding to the counterweight (33) is provided on the surface of the lower pressing plate (6).

7. The electric energy meter daily time calibration device according to claim 6, characterized in that: The top surface of the lower pressure plate (6) is fixedly connected to a bearing plate (34), and the top surface of the bearing plate (34) is rotatably connected to a rotating rod (35). A gear (36) passes through the surface of the rotating rod (35) close to the bearing plate (34) and is fixedly connected to the rotating rod (35). The gear (36) is meshed with the rack (29). A cam (37) is fixedly connected to the end surface of the rotating rod (35) away from the bearing plate (34), and the cam (37) is slidably connected to the stop block (27).

8. The electric energy meter daily time calibration device according to claim 1, characterized in that: A slide groove is provided on the surface of the placement platform (5), and guide rods (38) are fixedly connected to the inner walls of the slide groove on both sides of the placement platform (5). A sliding plate (39) passes through the surface of the guide rod (38) and is slidably connected to the guide rod (38). The sliding plate (39) is slidably connected to the slide groove of the placement platform (5). A fourth spring (40) is sleeved on the surface of the guide rod (38), and one end of the fourth spring (40) is fixedly connected to the sliding plate (39). The fourth spring (40) ) is fixedly connected to the inner wall of the slide groove of the placement table (5), the top surface of the sliding plate (39) is fixedly connected to an inclined plate (41), the surface of the strip plate (8) is hinged with a rotating plate (42), a torsion spring (43) is fixedly connected between the top surface of the rotating plate (42) and the strip plate (8), and a baffle (44) is fixedly connected to the surface of the strip plate (8) near the bottom of the rotating plate (42), and the torsion force of the torsion spring (43) is less than the elastic force of the fourth spring (40).

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