Calibrating table for mechanical metrological verification

Abstract

The utility model discloses a mechanical metrological verification calibration table, which is characterized in that a calibration plate is arranged on a base, the calibration plate is connected to the base through a first spring, side plates are fixed on the base, the side plates are correspondingly arranged at two ends of the calibration plate, a plurality of limiting grooves are uniformly distributed on the side plates, a limiting rod is inserted into the calibration plate, and the limiting rod is connected with the base through a second spring. A beveled bottom surface is arranged at the front end of the limiting rod, the bottom surface is in contact with a notch of the limiting groove, a support is fixed to the base, a top plate is fixed to the support, an air cylinder is arranged on the top plate, the output end of the air cylinder is connected with a pressure detection plate, and the pressure detection plate is correspondingly arranged above the calibration plate. According to the utility model, the stability of the calibration plate during verification operation is ensured, and interference caused by synchronous reset between the calibration plate and the pressure detection plate is also avoided at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measurement and verification, in particular to a mechanical measurement and verification calibration platform. BACKGROUND

[0002] Mechanical measurement mainly includes mass, force value, torque, hardness, pressure, vacuum, vibration, impact, rotating speed, constant acceleration, flow, flow rate, volume and other measurement tests, and in the mechanical verification room, torque wrench verification instruments, work force meters, tension sensors and other specifications, varieties and torque class measuring instruments are usually calibrated.

[0003] The existing test bench usually places the calibration plate below the pressure verification instrument during calibration of pressure verification, and the pressure verification instrument is used to extrude the calibration plate, so that the pressure of the pressure verification instrument is verified by the pressure received by the calibration plate. However, during the extrusion process, the position of the calibration plate may be offset due to the extrusion force, thereby interfering with the accuracy of the pressure verification instrument. In addition, after the verification instrument is separated from the extrusion of the calibration plate, the rapid resetting of the calibration plate may also impact the verification instrument, causing damage and verification errors of data. UTILITY MODEL CONTENT

[0004] (I) Technical problem to be solved

[0005] In order to overcome the shortcomings of the prior art, a mechanical measurement and verification calibration platform is provided to solve the problems in the background art.

[0006] (II) Technical scheme

[0007] The utility model discloses a kind of mechanical measurement and verification calibration platform, including base, the base is set calibration plate, and calibration plate is connected on base by first spring, the base is fixed with side plate, and side plate is correspondingly set at the both ends of calibration plate, the side plate is uniformly provided with multiple limit slots, the limit rod is inserted in calibration plate, and the insertion position of limit rod and calibration plate is connected second spring, the front end of limit rod is provided with oblique cutting bottom surface, and bottom surface is in contact with the slot of limit slot, the base is fixed with support, the support is fixed with top plate, the top plate is set air cylinder, the output end of air cylinder is connected pressure detection plate, and pressure detection plate is correspondingly set above calibration plate, pressure sensor is set on pressure detection plate.

[0008] Further, the first rod body is fixed on the calibration plate, and the first rod body is sleeved on the second rod body, and the second rod body is fixed on the base.

[0009] Further, the slot of limit slot is rounded at upper and lower ends.

[0010] Further, the limiting rod is provided with a protrusion.

[0011] (III) Beneficial Effects

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a kind of mechanics measurement verification calibration platform, the stability of the verification operation of calibration plate is guaranteed, interference caused by the synchronous reset between calibration plate and pressure detection plate is also avoided simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model.

[0015] 1-base;2-calibration plate;21-first spring;22-limiting rod;23-second spring;24-bottom surface;3-side plate;31-limiting slot;4-bracket;41-top plate;42-cylinder;5-pressure detection plate;51-pressure sensor;6-first rod body;61-second rod body. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following is combined with drawing and example, and the utility model is further detailed. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0017] As Figure 1 The utility model discloses a kind of mechanics measurement verification calibration platform, including base 1, the base 1 is provided with calibration plate 2, and calibration plate 2 is connected on base 1 by first spring 21, the base 1 is fixed with side plate 3, and side plate 3 is correspondingly set at the both ends of calibration plate 2, the side plate 3 is evenly provided with a plurality of limiting slots 31, the calibration plate 2 is inserted with limiting rod 22, and limiting rod 22 is connected second spring 23 at the insertion position of calibration plate 2, the front end of limiting rod 22 is provided with oblique cutting bottom surface 24, and bottom surface 24 is contacted with the slot of limiting slot 31, the base 1 is fixed with bracket 4, the bracket 4 is fixed with top plate 41, the top plate 41 is provided with cylinder 42, the output end of cylinder 42 is connected with pressure detection plate 5, and pressure detection plate 5 is correspondingly set above calibration plate 2, pressure sensor 51 is provided on pressure detection plate 5.

[0018] As preferred embodiment, first rod body 6 is fixed on calibration plate 2, first rod body 6 is sleeved on second rod body 61, and second rod body 61 is fixed on base 1.

[0019] As preferred embodiment, the slot of limiting slot 31 is rounded at upper and lower ends.

[0020] As a preferred embodiment, the limiting rod 22 is provided with a protrusion.

[0021] The utility model discloses a kind of mechanics measurement verification calibration platform, and the pressure detection plate is extruded calibration plate downwards, realizes the verification calibration of pressure.And calibration plate can guarantee its stability in down-pressing movement process, while calibration plate pressed down is limited by limiting rod and limiting groove, cannot reset by itself, and then when pressure detection plate resets, it will not be impacted by the impact of calibration plate.

[0022] Specifically, in calibration verification, cylinder 42 drives the down-pressing of pressure detection plate 5, extrudes calibration plate 2 in its lower position, and realizes the calibration verification of pressure data by pressure sensor 51 thereon.When calibration plate 2 is down-pressed and moves, limiting rod 22 in its side position also moves downwards with it, so that the section 24 position of limiting rod 22 is extruded and contacted with the slot of limiting groove 31, and then compresses second spring 23, so that limiting rod 22 is retracted inward, so that limiting rod 22 is sequentially clamped with limiting groove 31 from top to bottom with the downward movement of calibration plate.

[0023] When pressure detection plate 5 resets, calibration plate 2 will not reset directly due to the action of first spring 21.At this time, because the upper end surface of limiting rod 22 is a plane, it is in contact with limiting groove 31, and then limiting is realized.At this time, when pressure detection plate 5 is completely reset, the contraction of limiting rod 22 is actively controlled by the fluctuation of protrusion, so that it is separated from limiting groove 31, and then calibration plate 2 can also be reset, avoiding the interference caused by the synchronous reset of calibration plate 2 and pressure detection plate 5.

[0024] The above-described embodiments are merely preferred embodiments of the utility model, and do not limit the concept and scope of the utility model.Various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design concept of the utility model shall fall within the protection scope of the utility model.The technical content claimed by the utility model has been fully recorded in the claims.

Claims

1. A mechanical metrology verification and calibration bench, characterized in that: The system includes a base (1), on which a calibration plate (2) is mounted. The calibration plate (2) is connected to the base (1) via a first spring (21). A side plate (3) is fixed on the base (1) and is positioned at both ends of the calibration plate (2). The side plate (3) has multiple limiting grooves (31) evenly distributed on it. A limiting rod (22) is inserted into the calibration plate (2), and a second spring (23) is connected to the insertion position of the limiting rod (22) and the calibration plate (2). The front end of the positioning rod (22) is provided with a beveled bottom surface (24), and the bottom surface (24) is in contact with the groove of the limiting groove (31). A bracket (4) is fixed on the base (1), and a top plate (41) is fixed on the bracket (4). A cylinder (42) is provided on the top plate (41). The output end of the cylinder (42) is connected to the pressure detection plate (5), and the pressure detection plate (5) is correspondingly set above the calibration plate (2). A pressure sensor (51) is provided on the pressure detection plate (5).

2. The mechanical metrology verification and calibration bench according to claim 1, characterized in that: A first rod (6) is fixed on the calibration plate (2), the first rod (6) is sleeved on the second rod (61), and the second rod (61) is fixed on the base (1).

3. The mechanical metrology verification and calibration bench according to claim 1, characterized in that: The upper and lower ends of the groove opening of the limiting groove (31) are rounded.

4. The mechanical metrology verification and calibration bench according to claim 1, characterized in that: The limiting rod (22) is provided with a protrusion.

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