Rapid calibration device for metering detection equipment

Abstract

The invention discloses a rapid calibration device for metering detection equipment, and belongs to the technical field of metering instrument calibration. The rapid calibration device for the metering detection equipment comprises a supporting plate and a vertically-arranged bearing frame, the bearing frame is used for vertically bearing a to-be-measured tension measuring instrument, the rapid calibration device further comprises a calibration assembly, the calibration assembly comprises a first tension device vertically arranged on the bearing frame, the tension end of the first tension device faces downwards, and the tension end of the first tension device faces downwards. The supporting plate is provided with a vertically-arranged second spring exerciser, the tension end is upward, a connecting piece is arranged between the first spring exerciser and the second spring exerciser, one side of the bearing frame is provided with a vertically-arranged pulling piece, and the pulling piece is used for pulling the first spring exerciser. The tension measuring instrument can be measured and calibrated by observing whether the tension value changes of the first tension device and the second tension device are synchronous and the same or not.

Description

Technical Field

[0001] The invention relates to the technical field of calibration of measuring instruments, and in particular to a rapid calibration device for measuring and testing equipment. Background Art

[0002] Metrology and testing equipment is a type of equipment used for material acceptance, technical inspection (verification), measurement, physical and chemical testing, and temperature and humidity testing. This type of equipment includes but is not limited to weighing equipment, testing equipment, meteorological equipment, etc. The main types of metrology and testing equipment include weighing equipment and testing equipment, among which dynamometers are more common weighing equipment.

[0003] A tension gauge is an instrument used to measure tension or tension. They are widely used in various industrial fields, such as material testing, engineering, manufacturing, and scientific research. Tension gauges can be used to determine the physical properties of materials such as the strength limit and elastic modulus, and can also be used to measure the tension on ropes, chains, or other objects. Tension gauges include conventional hook-type tension gauges, weighing tension gauges, etc.

[0004] Traditionally, when calibrating a tension gauge, a method of hanging weights is usually used. First, the tension gauge to be tested is fixed vertically, and weights of different values ​​are hung below. The weight value is compared with the value displayed on the tension gauge to calibrate the tension gauge. This detection method has low accuracy and is greatly affected by external interference. The position of the hanging weights will also affect the calibration value, resulting in insufficient accuracy of the measured value. Summary of the invention

[0005] The purpose of the present invention is to overcome the problems in the prior art and provide a rapid calibration device for measuring and testing equipment to accurately calibrate the tensile gauge.

[0006] The present invention provides a rapid calibration device for metrological and testing equipment, comprising a support plate and a vertically arranged load-bearing frame, wherein the load-bearing frame is used to vertically support a tensile measuring instrument to be measured, and also comprises a calibration component, wherein the calibration component comprises a first tensor vertically arranged on the load-bearing frame, with a tension end downward, a second tensor vertically arranged is installed on the support plate, with a tension end upward and coincident with the axis of the first tensor, a connecting piece is provided between the first tensor and the second tensor, and the connecting piece is used to connect the tension end of the first tensor with the tension end of the second tensor, a vertically arranged pulling piece is provided on one side of the load-bearing frame, and the pulling end of the pulling piece is detachably connected to the top of the first tensor; the pulling piece is used to pull the first tensor, and the second tensor is calibrated by comparing the numerical values ​​of the first tensor and the second tensor.

[0007] Preferably, a slide groove is horizontally opened on the support plate, a sliding plate is slidably embedded in the slide groove, and a plurality of second tensioners are arranged in an array along the sliding direction of the slide groove.

[0008] Preferably, the connecting member includes a first connecting plate and a second connecting plate, both the first connecting plate and the second connecting plate are provided with through holes, a connecting sleeve is fixedly connected to the bottom of the first connecting plate, a connecting rod is threadedly connected to the connecting sleeve, and one end of the connecting rod is rotatably connected to the second connecting plate.

[0009] Preferably, an abutment plate is provided in the through hole, a threaded rod is fixedly connected to one side of the abutment plate, and one end of the threaded rod is threadedly penetrated through the first connecting plate.

[0010] Preferably, the pulling member includes a hydraulic cylinder, which is vertically fixedly connected to the supporting frame, and the output end of the hydraulic cylinder is fixedly connected to a mounting plate, a mounting groove is provided at the bottom of the mounting plate, and a clamping member is provided in the mounting groove, and the clamping member is used to clamp the first tensioner to connect the first tensioner to the end of the hydraulic cylinder.

[0011] Preferably, the clamping member includes a pair of clamping plates, and the pair of clamping plates are both arranged in the mounting groove. The pair of clamping plates are rotatably connected to the first adjusting screw on one side away from each other, and the first adjusting screw passes through the mounting plate. A pair of telescopic rods are fixedly connected between the clamping plate and the mounting plate, and the pair of telescopic rods are respectively arranged on both sides of the first adjusting screw.

[0012] Preferably, a horizontally arranged fixing plate is fixedly connected to one side of the supporting frame, and the hydraulic cylinder is fixedly connected below the fixing plate.

[0013] Preferably, one end of the sliding plate is fixedly connected to a second adjusting screw, one end of the second adjusting screw passes through the support plate, the bottom end of the supporting frame is fixedly connected to a base, one side of the support plate is fixedly connected to the supporting frame via a fixing rod, and there is a distance between the support plate and the base.

[0014] Preferably, the slide groove vertically penetrates the support plate, the sliding plate is vertically fixedly connected to a mounting frame, the second tensioner is vertically slidably embedded in the mounting frame, a limit plate is horizontally slidably inserted on the top of the mounting frame, and limiting screw holes are provided on the limit plate and the mounting frame, and limiting screws are inserted in the limiting screw holes.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention controls the hydraulic cylinder to drive the first tensioner to move upward, so that the first tensioner and the second tensioner confront each other, and observes whether the changes in the tension values ​​of the first tensioner and the second tensioner are synchronized and the same, thereby being able to measure and calibrate the tensioner measuring instrument, and being able to achieve fine adjustment and continuous measurement and calibration through the hydraulic cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a partial structural schematic diagram of the present invention.

[0018] Figure 3 for Figure 2 Enlarged structural diagram at A in the middle.

[0019] Figure 4 It is a schematic diagram of the structure inside the through hole on the first connecting plate of the present invention.

[0020] Figure 5 It is a schematic diagram of the structure of the clamping member of the present invention.

[0021] Explanation of the reference numerals: 1. Support plate; 2. Carrying frame; 3. Calibration assembly; 31. First tensioner; 32. Second tensioner; 33. Connecting piece; 331. First connecting plate; 332. Second connecting plate; 333. Through hole; 334. Connecting sleeve; 335. Connecting rod; 34. Pulling piece; 341. Hydraulic cylinder; 342. Mounting plate; 343. Mounting groove; 4. Slide groove; 5. Sliding plate; 6. Abutment plate; 7. Threaded rod; 8. Clamping piece; 81. Clamping plate; 82. First adjusting screw; 83. Telescopic rod; 9. Fixing plate; 10. Second adjusting screw; 11. Base; 12. Mounting frame; 13. Limiting screw hole; 14. Limiting plate; 15. Limiting screw. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1 to Figure 5 In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein should be the usual meanings understood by people with general skills in the field to which the present invention belongs.

[0023] The words "first", "second" and similar words used in the specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. The words "include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, but do not exclude other elements or objects. "Inside", "outside", "upper", "lower", "far", "near", "front", "back" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. The drawings in the present invention are not drawn strictly according to the actual scale. The specific size and quantity of each structure can be determined according to actual needs. The drawings described in the present invention are only schematic diagrams of the structure.

[0024] The present invention provides a rapid calibration device for measuring and testing equipment, such as Figure 1 to Figure 3 As shown, it includes a support plate 1 and a vertically arranged supporting frame 2, the supporting frame 2 is used to vertically support the tensile measuring instrument to be measured, and also includes a calibration component 3, the calibration component 3 includes a first tensor 31 vertically arranged on the supporting frame 2, with the tension end downward, a second tensor 32 vertically arranged is installed on the supporting plate 1, with the tension end upward and coincident with the axis of the first tensor 31, a connecting member 33 is provided between the first tensor 31 and the second tensor 32, the connecting member 33 is used to connect the tension end of the first tensor 31 and the tension end of the second tensor 32, a vertically arranged pulling member 34 is provided on one side of the supporting frame 2, and the pulling end of the pulling member 34 is detachably connected to the top of the first tensor 31; the pulling member 34 is used to pull the first tensor 31, and the second tensor 32 is calibrated by comparing the values ​​of the first tensor 31 and the second tensor 32.

[0025] The present invention controls the hydraulic cylinder 341 to drive the first tensioner 31 to move upward, so that the first tensioner 31 and the second tensioner 32 are opposed to each other. By observing whether the tension value changes of the first tensioner 31 and the second tensioner 32 are synchronized and the same, the tensioner measuring instrument can be measured and calibrated, and fine adjustment and continuous measurement and calibration can be achieved through the hydraulic cylinder 341.

[0026] Preferably, Figure 1 to Figure 4As shown, a slide groove 4 is horizontally opened on the support plate 1, and a sliding plate 5 is slidably embedded in the slide groove 4. A plurality of second tensioners 32 are arranged in an array along the sliding direction of the slide groove 4. The connecting member 33 includes a first connecting plate 331 and a second connecting plate 332. A through hole 333 is opened on the first connecting plate 331 and the second connecting plate 332. A connecting sleeve 334 is fixedly connected to the bottom of the first connecting plate 331. A connecting rod 335 is threadedly connected to the inner thread of the connecting sleeve 334. One end of the connecting rod 335 is rotatably connected to the second connecting plate 332. An abutment plate 6 is arranged in the through hole 333. A threaded rod 7 is fixedly connected to one side of the abutment plate 6. One end of the threaded rod 7 threadedly penetrates the first connecting plate 331.

[0027] The present invention provides a slide groove 4 on the support plate 1, and a sliding plate 5 is embedded in the slide groove 4, and a plurality of second tensioners 32 are provided on the sliding plate 5. By adjusting the position of the sliding plate 5, different second tensioners 32 are connected to the first tensioner 31, and a plurality of metering tensioners can be quickly calibrated.

[0028] The present invention connects the first tensioner 31 and the second tensioner 32 through a connecting piece 33, and inserts the tensioner tension end into the through hole 333. According to the distance between the first tensioner 31 and the second tensioner 32, the user rotates the connecting rod 335 to rotate it in the connecting sleeve 334, and accurately adjusts the positions of the first connecting plate 331 and the second connecting plate 332 to ensure that the tensioner ends of the first tensioner 31 and the second tensioner 32 can be penetrated and set in the through hole 333. Because the tensioner ends of different types of tensioners are of different sizes, the through hole 333 set in the present invention is relatively large. In order to prevent the tensioner tensioner end from sliding in the first connecting plate 331 and causing deviation in the calibration result, the present invention drives the set abutment plate 6 to move by the set threaded rod 7. The user rotates the set threaded rod 7 to drive the set abutment plate 6 to move, and the tensioner end is tightly squeezed to prevent the first tensioner 31 and the second tensioner 32 from shaking during calibration to cause calibration deviation.

[0029] Preferably, Figure 1 to Figure 3 As shown, the pulling member 34 includes a hydraulic cylinder 341, which is vertically fixedly connected to the supporting frame 2, and a mounting plate 342 is fixedly connected to the output end of the hydraulic cylinder 341. A mounting groove 343 is provided at the bottom of the mounting plate 342, and a clamping member 8 is provided in the mounting groove 343. The clamping member 8 is used to clamp the first tensioner 31 and connect the first tensioner 31 to the end of the hydraulic cylinder 341.

[0030] The pulling member 34 provided in the present invention adopts a hydraulic cylinder 341. The hydraulic cylinder 341 is adjusted to stably support the fixed plate 9 through the support frame 2. The fixed plate 9 supports the provided hydraulic cylinder 341, and the first tensioner 31 is clamped on the provided mounting plate 342. When the first tensioner 31 and the second tensioner 32 are stably connected through the connecting member 33, the hydraulic cylinder 341 is started to pull the first tensioner 31, so that the first tensioner 31 and the second tensioner 32 are opposed to each other. By observing whether the tension value changes of the first tensioner 31 and the second tensioner 32 are synchronized and the same, the tension measuring instrument can be measured and calibrated, and fine adjustment and continuous measurement and calibration can be achieved through the hydraulic cylinder 341.

[0031] Preferably, Figure 1 to Figure 5 As shown, the clamping member 8 includes a pair of clamping plates 81, and the pair of clamping plates 81 are both arranged in the mounting groove 343. The pair of clamping plates 81 are rotatably connected to the first adjusting screw 82 on one side away from each other. The first adjusting screw 82 passes through the mounting plate 342. A pair of telescopic rods 83 are fixedly connected between the clamping plate 81 and the mounting plate 342, and the pair of telescopic rods 83 are respectively arranged on both sides of the first adjusting screw 82.

[0032] Since there are various types of tensioning instruments, in order to facilitate calibration and testing of tensioning instruments of different types, the present invention provides a clamping member 8 in the mounting groove 343, which is used to stably mount the first tensioner 31 on the mounting plate 342, and place the top of the first tensioner 31 in the mounting groove 343. The user drives the clamping plate 81 to move with the assistance of a pair of telescopic rods 83 by rotating the first adjusting screw 82, and the first tensioner 31 is tightly clamped by the pair of clamping plates 81.

[0033] Preferably, Figure 1 to Figure 3 As shown, a horizontally arranged fixed plate 9 is fixedly connected to one side of the support frame 2, a hydraulic cylinder 341 is fixedly connected to the bottom of the fixed plate 9, a second adjusting screw 10 is fixedly connected to one end of the sliding plate 5, one end of the second adjusting screw 10 passes through the support plate 1, a base 11 is fixedly connected to the bottom end of the support frame 2, one side of the support plate 1 is fixedly connected to the support frame 2 through a fixed rod, there is a spacing between the support plate 1 and the base 11, the slide groove 4 passes through the support plate 1 in the vertical direction, a mounting frame 12 is vertically fixedly connected to the sliding plate 5, the second tensioner 32 is vertically slidably embedded in the mounting frame 12, a limit plate 14 is inserted into the top of the mounting frame 12 for horizontal sliding, and limit screw holes 13 are provided on the limit plate 14 and the mounting frame 12, and limit screw holes 13 are inserted into the limit screw holes 13.

[0034] In the present invention, the support frame 2 supports the set fixed plate 9, and the hydraulic cylinder 341 is supported by the set fixed plate 9. A second adjusting screw 10 is set on one side of the sliding plate 5 to adjust the position of the sliding plate 5, and the second adjusting screw 10 is threadedly inserted on the support plate 1. It also has a self-locking function and is convenient to use while adjusting. Considering that a grab bar for easy access is generally provided on the top of the tensioner, sufficient space is reserved between the support plate 1 and the base 11 of the present invention. The present invention sets a mounting frame 12 on the sliding plate 5 to limit the installation of the second tensioner 32 to be calibrated. When the second tensioner 32 is inserted into the mounting frame 12, the limiting plate 14 is pushed to be placed above the second tensioner 32 and abut against the second tensioner 32, and then the limiting screw 15 is threadedly inserted into the limiting screw holes 13 on the limiting plate 14 and the mounting frame 12 in sequence to limit the second tensioner 32.

[0035] The method of using the rapid calibration device for measurement and detection equipment of the present invention is as follows:

[0036] First, insert several second tensioners 32 that need to be calibrated into several mounting frames 12 respectively, then push the limit plate 14 to place it above the second tensioner 32 and abut against the second tensioner 32, and then threadably insert the limit screw 15 into the limit screw holes 13 on the limit plate 14 and the mounting frame 12 in sequence to limit the second tensioner 32; then place the top of the first tensioner 31 in the mounting groove 343, and the user drives the clamping plate 81 to move with the assistance of a pair of telescopic rods 83 by rotating the first adjusting screw 82, and the first tensioner 31 is tightly clamped by the pair of clamping plates 81.

[0037] Secondly, the user rotates the connecting rod 335 to make it rotate in the connecting sleeve 334, and accurately adjusts the positions of the first connecting plate 331 and the second connecting plate 332 to ensure that the tensioning ends of the first tensioner 31 and the second tensioner 32 can pass through the through hole 333, and rotates the threaded rod 7 to drive the abutment plate 6 to move, so as to tightly squeeze the tensioning ends of the tensioners to prevent the first tensioner 31 and the second tensioner 32 from shaking during calibration to cause calibration deviation.

[0038] The hydraulic cylinder 341 is controlled to drive the first tensioner 31 to move upward, so that the first tensioner 31 and the second tensioner 32 are opposed to each other. By observing whether the tension value changes of the first tensioner 31 and the second tensioner 32 are synchronized and the same, the tensioner measuring instrument can be measured and calibrated, and fine adjustment and continuous measurement and calibration can be achieved through the hydraulic cylinder 341. By adjusting the position of the sliding plate 5, different second tensioners 32 are connected to the first tensioner 31, and multiple measuring tensioners can be calibrated quickly.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid calibration device for metrological testing equipment, comprising a support plate (1) and a vertically arranged support frame (2), wherein the support frame (2) is used to vertically support a tensile measuring instrument to be measured, characterized in that: Also included is a calibration component (3), the calibration component (3) comprising: The first tensioner (31) is vertically arranged on the supporting frame (2), with the tensioning end facing downwards: A second tensioner (32) is vertically mounted on the support plate (1), with the tensioning end facing upward and coinciding with the axis of the first tensioner (31); A connecting member (33) is arranged between the first tensioner (31) and the second tensioner (32), and is used to connect the tensioning end of the first tensioner (31) and the tensioning end of the second tensioner (32); A pulling member (34) is vertically arranged, and a pulling end of the pulling member (34) is detachably connected to the top of the first tensioner (31); the pulling member (34) is used to pull the first tensioner (31), and the second tensioner (32) is calibrated by comparing the values ​​of the first tensioner (31) and the second tensioner (32).

2. A rapid calibration device for measurement and testing equipment as claimed in claim 1, characterized in that: The support plate (1) is provided with a sliding groove (4) horizontally, a sliding plate (5) is slidably embedded in the sliding groove (4), and a plurality of the second tensioners (32) are arranged in an array along the sliding direction of the sliding groove (4).

3. A rapid calibration device for measurement and testing equipment as claimed in claim 1, characterized in that: The connecting member (33) comprises a first connecting plate (331) and a second connecting plate (332), wherein the first connecting plate (331) and the second connecting plate (332) are both provided with a through hole (333), a connecting sleeve (334) is fixedly connected to the bottom of the first connecting plate (331), a connecting rod (335) is internally threadedly connected to the connecting sleeve (334), and one end of the connecting rod (335) is rotatably connected to the second connecting plate (332).

4. A rapid calibration device for measurement and testing equipment as claimed in claim 3, characterized in that: An abutment plate (6) is provided in the through hole (333), one side of the abutment plate (6) is fixedly connected to a threaded rod (7), and one end of the threaded rod (7) is threadedly passed through the first connection plate (331).

5. A rapid calibration device for measurement and testing equipment as claimed in claim 1, characterized in that: The pulling member (34) comprises a hydraulic cylinder (341), wherein the hydraulic cylinder (341) is vertically fixedly connected to the supporting frame (2), and the output end of the hydraulic cylinder (341) is fixedly connected to a mounting plate (342), and a mounting groove (343) is provided at the bottom of the mounting plate (342), and a clamping member (8) is provided in the mounting groove (343), and the clamping member (8) is used to clamp the first tensioner (31) to connect the first tensioner (31) to the end of the hydraulic cylinder (341).

6. A rapid calibration device for measurement and testing equipment as claimed in claim 5, characterized in that: The clamping member (8) comprises a pair of clamping plates (81), the pair of clamping plates (81) are both arranged in the mounting groove (343), the pair of clamping plates (81) are rotatably connected to a first adjusting screw (82) at one side away from each other, the first adjusting screw (82) passes through the mounting plate (342), a pair of telescopic rods (83) are fixedly connected between the clamping plate (81) and the mounting plate (342), and the pair of telescopic rods (83) are respectively arranged on both sides of the first adjusting screw (82).

7. A rapid calibration device for measurement and testing equipment as claimed in claim 5, characterized in that: A horizontally arranged fixing plate (9) is fixedly connected to one side of the support frame (2), and the hydraulic cylinder (341) is fixedly connected below the fixing plate (9).

8. A rapid calibration device for measurement and testing equipment as claimed in claim 2, characterized in that: One end of the sliding plate (5) is fixedly connected to a second adjusting screw (10), one end of the second adjusting screw (10) passes through the support plate (1), the bottom end of the bearing frame (2) is fixedly connected to a base (11), one side of the support plate (1) is fixedly connected to the bearing frame (2) via a fixing rod, and there is a distance between the support plate (1) and the base (11).

9. A rapid calibration device for measurement and testing equipment as claimed in claim 8, characterized in that: The slide groove (4) passes through the support plate (1) in the vertical direction, and the sliding plate (5) is vertically fixedly connected with a mounting frame (12). The second tensioner (32) is vertically slidably embedded in the mounting frame (12), and a limit plate (14) is horizontally slidably inserted at the top of the mounting frame (12). The limit plate (14) and the mounting frame (12) are both provided with limit screw holes (13), and a limit screw rod (15) is inserted into the limit screw hole (13).

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