CN220176946U - Non-magnetic multistage vibration-proof test bed and special workstation for weight verification - Google Patents

Abstract

The utility model discloses a non-magnetic multistage vibration-proof test bed and a special workstation for weight verification, which belong to the technical field of weighing apparatus verification and comprise a test bed and an operation bed, wherein vibration of related equipment on the test bed during working can be fully avoided by utilizing the independent arrangement of the test bed and the operation bed and the independent arrangement of two bed supporting frames and the combined design of a non-magnetic anti-static wind shield and a non-magnetic test bed, and the related equipment can complete a test process in a relatively non-magnetic environment. The non-magnetic multistage vibration-proof test bed and the special workstation for weight verification have the advantages that the structure is simple, the arrangement is convenient and fast, the reliable separation of the test bed and the operation bed can be realized, the multistage vibration-proof of related equipment on the test bed is realized, the corresponding equipment can work in a relatively non-magnetic environment when arranged on the test bed, the measurement error of a quality comparator, high-precision level and other precision instruments during the test operation is effectively avoided, and the reliability of test results is ensured.

Description

Non-magnetic multistage vibration-proof test bed and special workstation for weight verification

Technical Field

The utility model belongs to the technical field of weighing apparatus verification, and particularly relates to a non-magnetic multistage shockproof test bed and a special workstation for weight verification.

Background

In the use process of the weighing apparatus such as a high-precision balance, a mass comparator and the like, the effect of environmental factors has great influence on the measurement precision, such as the vibration of the measurement environment, including the vibration of a workbench, the vibration of the ground, the vibration caused by air circulation and the like.

Currently, for most measurement scenarios, a conventional integrated console is generally adopted, that is, the operation area of the operator and the measurement area of the measurement device are located on the same test table. Moreover, the traditional test table is simple in structural design, and test instruments cannot be stored reliably and effectively, so that most of the instruments can be stacked on the tabletop of the test table, and the disorder of test conditions is caused, so that the accuracy and the high efficiency of the test are affected. Moreover, the integrated test bed is difficult to meet the shock insulation requirement of high-precision test instruments, so that errors are very easy to occur in the measurement results, and the effectiveness of the test results is influenced.

Although some technical schemes in the prior art think of designing a test bed by separating a placing table of a weighing apparatus from a test operation table, the existing split test bed is often simpler in structure and single in use function, and cannot meet the requirements of efficient storage and multifunctional use in the practical application process. In addition, for high-precision balances such as high-precision balances and mass comparators, the vibration-proof performance of the test bed is required in the working process, the test bed is sensitive to the magnetic field effect of the instrument, the influence of the magnetic field is difficult to avoid in the existing test bed, and a certain deviation exists in the test result.

Disclosure of Invention

Aiming at one or more of the defects or improvement demands of the prior art, the utility model provides the non-magnetic multistage vibration-proof test bed and the special workstation for weight verification, which can realize multistage vibration prevention of the test bed, realize that weighing apparatus equipment such as a quality comparator and the like works in a non-magnetic environment, and effectively ensure the measurement precision and reliability of the weighing apparatus.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a non-magnetic multistage vibration-proof test stand comprising a test stand and an operation stand which are provided independently of each other;

the test table top is a non-magnetic table top and is arranged on the first supporting frame;

the operation table top and the test table top are in non-contact, the operation table top and the test table top are arranged on a second support frame, and the second support frame and the first support frame are arranged independently; and is also provided with

The test table surface is provided with the nonmagnetic antistatic wind shield, so that working equipment on the test table surface can work in the space covered by the nonmagnetic antistatic wind shield.

As a further improvement of the utility model, the operating platform is of a plate-shaped structure, and one side of the operating platform is provided with a notch;

the shape of the test table top is matched with the shape of the notch, the size of the test table top is smaller than that of the notch, and the test table top is integrally embedded in the notch.

As a further improvement of the utility model, the nonmagnetic table top is a nonmagnetic marble table top, an aluminum plate table top or a nonmagnetic stainless steel table top;

and/or

The non-magnetic anti-static windshield comprises a non-magnetic frame and anti-static coated glass; the non-magnetic frame is made of aluminum materials, and the coated glass is assembled on the non-magnetic frame.

As a further development of the utility model, the bottom of the first support frame and/or the second support frame is provided with a plurality of adjustable feet for adjusting the level of the frame;

and/or

The operation table top is connected to the second supporting frame through a lifting adjusting mechanism, so that the operation table top can vertically lift relative to the test table top under the driving of the lifting adjusting mechanism.

As a further improvement of the utility model, a plurality of storage bins and/or a plurality of equipment bins are arranged on the second supporting frame;

and/or

And a plurality of threading holes are formed in the operating table top and/or the second supporting frame.

In another aspect of the utility model, a special workstation for weight verification is provided, and is used for completing verification operation of weights through a mass comparator, and the special workstation comprises the non-magnetic multistage shockproof test bed;

the bottom support of the first support frame is arranged on the shock absorption support column; the bottom support of the second support frame is arranged on the ground; and is also provided with

The bottom of the damping support column is fixed in a damping trench arranged on the ground, and the cross section area of the damping support column is smaller than that of the damping trench, so that the outer peripheral wall surface of the damping support column is not contacted with the inner side wall surface of the damping trench after being arranged in the damping trench, and a ring groove cavity is formed between the outer peripheral wall surface of the damping support column and the inner side wall surface of the damping trench;

and the ring groove cavity is filled with damping filler, so that a damping filler layer between the ground and the damping support column is formed.

As a further improvement of the utility model, the depth of the damping trench is not less than 0.8m; and/or the distance between the inner side wall surface of the damping trench and the outer peripheral wall surface of the damping support column is not less than 10cm.

As a further improvement of the utility model, the shock-absorbing filler is shock-absorbing fine sand or shock-absorbing plastic particles;

and/or

The shock-absorbing support column is a concrete support column.

As a further improvement of the utility model, at least one storage bin is arranged on the second supporting frame, and at least one weight warehouse for storing standard weights is arranged in the at least one storage bin.

As a further improvement of the utility model, the bottom and the peripheral side wall surfaces of the weight warehouse are respectively provided with an elastic anti-collision pad.

The above-mentioned improved technical features can be combined with each other as long as they do not collide with each other.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

(1) The non-magnetic multistage vibration-proof test bed comprises a test bed surface and an operation bed surface which are arranged independently of each other, vibration on the operation bed surface can be effectively prevented from being transmitted to the test bed surface by utilizing the independent arrangement of the test bed surface and the operation bed surface and the independent arrangement of the two bed surface supporting frames, and vibration of related equipment on the test bed surface during working can be fully prevented by the non-magnetic anti-static wind shield and the non-magnetic design of the test bed surface, and the related equipment can be ensured to complete a test process in a relatively non-magnetic environment, so that the working and testing reliability and accuracy of the corresponding equipment are effectively ensured.

(2) According to the non-magnetic multistage vibration-proof test bed, through the optimization of the structure form and the material of the non-magnetic table top and the optimization design of the non-magnetic anti-static wind shield structure, the setting accuracy of the non-magnetic multistage vibration-proof test bed can be further ensured, and the non-magnetic multistage vibration-proof test bed can be rapidly and reliably molded; in addition, by utilizing the corresponding arrangement of the lifting adjusting mechanism and the adjustable support leg, the accuracy of the arrangement and the work of the test bed can be effectively ensured, and the test bed can meet more functional requirements.

(3) The special workstation for weight verification is formed by arranging the nonmagnetic multistage vibration-proof test bed, wherein a vibration-proof trench is formed in the ground, the vibration-proof support column and the vibration-proof filler are arranged in the vibration-proof trench, the test bed is supported and arranged on the vibration-proof support column through the first support frame, multistage vibration-proof of the test bed can be realized, and the accuracy and the reliability of weight verification operation can be effectively ensured by matching with the combined arrangement of related structures on the test bed.

(4) According to the special workstation for weight verification, the corresponding storage bin is arranged on the second supporting frame and is arranged as the weight warehouse after special treatment, so that the standard weights required by the operation of the quality comparator can be reliably stored, the efficient and rapid implementation of the weight verification process is further ensured, too many things are prevented from being stacked on the operation table surface, the arrangement space is effectively saved, and the space utilization efficiency of equipment is improved.

(5) The non-magnetic multistage vibration-proof test bed is simple in structure and convenient to set, can realize reliable separation of the test bed surface and the operation bed surface, realizes multistage vibration-proof of the test bed surface, enables corresponding equipment to work in a relatively non-magnetic environment when being arranged on the test bed surface, effectively avoids measurement errors during test operation of precise instruments such as a quality comparator, a high-precision balance, and the like, and ensures reliability of test results.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 and fig. 2 are schematic perspective views of a special workstation for weight verification in an embodiment of the utility model;

FIG. 3 is a front view of the weight verification workstation in an embodiment of the utility model;

like reference numerals denote like technical features throughout the drawings, in particular:

1. a test bench; 2. an operating table; 3. a first support frame; 4. a second support frame; 5. a windshield; 6. damping trench; 7. a shock absorbing support column; 8. damping filler; 9. ground surface; 10. an adjustable foot;

401. a first storage bin; 402. a second storage bin; 403. a third storage bin; 404. and (5) a device bin.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Examples:

referring to fig. 1 to 3, the non-magnetic multistage vibration-proof test stand in the preferred embodiment of the present utility model includes a test stand 1 and an operation stand 2 which are independently provided to each other, and the two stands are respectively supported by corresponding support frames. Wherein, the test table top 1 is supported and arranged on the first supporting frame 3, and the operation table top 2 is supported and arranged on the second supporting frame 4.

Specifically, the operation table 2 in the preferred embodiment can be preferably regarded as a polygonal plate-like structure with a notch in the middle of one side, such as a rectangular plate-like structure shown in fig. 1. Correspondingly, the shape of the test table top 1 just corresponds to the shape of the notch on the operation table top 2 and is slightly smaller than the size of the notch, so that the test table top 1 can be just integrally embedded into the notch on the operation table top 2 in actual setting, the two table tops are combined to form a nearly complete table top structure, and the test table top 1 and the operation table top 2 are not contacted with each other and are independent from each other. In this way, vibration generated in the operation process can not be transmitted to the test table top 1 through the operation table top 2, and the working reliability of the quality comparator or high-precision balance and other instruments on the test table top 1 is effectively ensured.

Correspondingly, a notch for accommodating the first support frame 3 is also arranged on one side of the second support frame 4, so that the first support frame 3 can be correspondingly embedded in the notch on one side of the second support frame 4, and the two support frames are independent from each other.

Meanwhile, the test bench 1 in the preferred embodiment is preferably a non-magnetic bench, which is preferably a non-magnetic marble bench (e.g., a white marble bench), an aluminum plate bench, or a non-magnetic stainless steel bench. The influence of the magnetic field of the test table 1 on the working equipment on the table is effectively avoided by using the non-magnetic selection of the test table 1.

Further, in order to better isolate the test environment from the external environment, a wind shield 5 is further provided on the test bench 1, the wind shield 5 is further preferably a non-magnetic anti-static wind shield, preferably comprises a frame formed by processing aluminum materials and anti-static coated glass, and the installation of the coated glass on the aluminum frame finally forms a square frame structure with an opening at the bottom as shown in fig. 2, and can be directly covered above the equipment when related equipment works, and the bottom of the wind shield 5 is supported on the test bench 1 and is not contacted with the operation bench 2.

The combined arrangement of the nonmagnetic antistatic windshield and the nonmagnetic table top can effectively ensure that related equipment on the test table top 1 can work under the magnetic-strip-free condition, effectively realize isolation from the external environment and fully ensure the accuracy and reliability of test results.

In the actual setting, in order to facilitate the actual operation, it is preferable to provide a window which can be opened and closed on one side of the windshield 5, so as to facilitate the operator to take and discharge materials on the equipment in the windshield 5. In a preferred embodiment, the window is preferably antistatic coated glass, which is assembled on an aluminum slide rail, and the window can be opened and closed by sliding the coated glass.

In more detail, in order to achieve the housing of the relevant equipment or tools, a number of housings and a number of equipment housings are provided on the front side of the second support frame 4, preferably the side arranged facing away from the first support frame 3.

For example, in the preferred embodiment shown in fig. 3, it comprises a first magazine 401, a second magazine 402, which are arranged at one end of the second support frame 4, both magazines being arranged in vertical layers. Meanwhile, an equipment bin 404 is disposed at the other end of the second support frame 4, for placing equipment such as a computer host. Correspondingly, a third storage cabin 403, which is preferably a drawer storage cabin, is also arranged between the equipment cabin 404 and the first storage cabin 401, and comprises a sliding frame connected to the bottom surface of the operating table top 2 and a sliding cabin matched with the sliding frame in a sliding manner, and can be used for placing corresponding small-sized instruments, such as forceps for taking and placing weights, clamps and the like.

In actual operation, the non-magnetic multistage vibration-proof test stand can be used for verification of weights by a mass comparator, and the first storage bin 401 and the second storage bin 402 are preferably arranged as weight libraries for placing verification weights and/or weights to be verified. Preferably, the elastic anti-collision pads are respectively arranged at the bottom of the storage bin for placing the weights and on the side wall surfaces around the storage bin for avoiding collision of the weights in the weight taking and placing process, so that the reliability of weight storage is ensured.

Preferably, at least one threading hole is formed in the operation table top 2 and/or the second support frame 4, and the threading hole is used for accurately wiring when a computer and other devices are arranged on the operation table top 2, so that disorder of a working area of the test table is avoided.

Further preferably, in order to adapt to the work of operators of different heights, the operation table top 2 in the preferred embodiment is connected to the second supporting frame 4 (not shown in the figure) through a lifting adjusting mechanism, and the operation table top 2 can be vertically lifted relative to the test table top 1 through the control of the lifting adjusting mechanism, and no contact occurs between the two table tops in the lifting process.

In the actual installation, the lifting adjusting mechanism may be an electric lifting mechanism or a manual lifting mechanism. Wherein, the electric lifting mechanism can be further preferably an air cylinder lifting mechanism or a motor lifting mechanism; the manual lifting mechanism may be a hand wheel type chain lifting mechanism, which is not described herein. In addition, in actual setting, the stroke of the elevation adjustment mechanism is preferably 10 to 20cm.

As another aspect of the present utility model, there is further provided in a preferred embodiment a weight verification dedicated workstation, which is based on the foregoing non-magnetic multistage shock-proof test stand assembly arrangement.

For the special workstation for weight verification, the special workstation is mainly used for weight verification operation of a quality comparator, at the moment, working equipment placed on a test table 1 is the quality comparator, and a cover of the special workstation is arranged in a non-magnetic anti-static wind shield 5; accordingly, at least one of the first storage bin 401 and the second storage bin 402 is configured as a weight storage bin for placing standard weights, and the third storage bin 403 is configured as a storage bin for placing weight taking and placing instruments.

Further, a plurality of adjustable supporting legs 10 are respectively arranged at the bottoms of the two supporting frames, and the two supporting frames are supported and placed at corresponding placing positions through the arrangement of the adjustable supporting legs 10. By adjusting the adjustable support legs 10, the leveling of each support frame can be realized, and the leveling operation of the two table tops can be further realized.

Meanwhile, the bottom of the second support frame 4 for supporting the operation table 2 in the preferred embodiment is supported on the ground 9, and the bottom of the first support frame 3 supporting the test table 1 is supported on the shock-absorbing support columns 7 provided below the ground 9, as shown in fig. 1.

Specifically, in the preferred embodiment, the bottom of the shock-absorbing support column 7 is fixed below the ground 9, and a shock-absorbing trench 6 with a certain depth is formed on the ground 9 corresponding to the shock-absorbing support column, and in the preferred embodiment, the cross-sectional area of the shock-absorbing trench 6 is larger than that of the shock-absorbing support column 7, so that after the shock-absorbing support column 7 is arranged in the shock-absorbing trench 6, the periphery of the shock-absorbing support column 7 is not contacted with the side wall surface of the shock-absorbing trench 6, and a ring groove cavity is formed between the shock-absorbing support column and the shock-absorbing support column.

Correspondingly, the annular groove cavity is filled with the damping filler 8, which is preferably damping fine sand or shock-absorbing plastic particles, and the damping filler 8 is used for correspondingly filling, so that the separation between the damping support column 7 and the ground soil layer can be effectively realized, a damping filling layer between the ground and the damping support column is formed, and the vibration on the ground 9 is prevented from being transmitted to the damping support column 7.

In more detail, the shock-absorbing support column 7 in the preferred embodiment is preferably a concrete support column, the bottom of which is attached to the bottom surface of the shock-absorbing trench 6, the top of which preferably does not protrude from the ground 9, and the bottom surface of the shock-absorbing trench 6 is spaced from the ground 9 by a distance of not less than 0.8m, more preferably 0.8 to 1.5m. Meanwhile, the distance between the outer side wall surface of the shock-absorbing support column 7 and the side wall surface of the shock-absorbing trench 6 is preferably not less than 10cm, and more preferably 10-30 cm, so that the shock-absorbing support column 7 and a ground soil layer can be effectively separated.

The nonmagnetic multistage shockproof test bed is simple in structure and convenient to set, can realize reliable separation of the test bed and the operation bed, realizes multistage shockproof of the test bed, enables corresponding equipment to work in a relatively nonmagnetic environment when being arranged on the test bed, effectively avoids measurement errors during test operation of precise instruments such as a quality comparator, a high-precision level and the like, and ensures reliability of test results.

It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The non-magnetic multistage vibration-proof test bed is characterized by comprising a test bed surface and an operation bed surface which are arranged independently;

the test table top is a non-magnetic table top and is arranged on the first supporting frame;

the operation table top and the test table top are in non-contact, the operation table top and the test table top are arranged on a second support frame, and the second support frame and the first support frame are arranged independently; and is also provided with

The test table surface is provided with the nonmagnetic antistatic wind shield, so that working equipment on the test table surface can work in the space covered by the nonmagnetic antistatic wind shield.

2. The non-magnetic multistage vibration-proof test stand according to claim 1, wherein the operation stand is of a plate-like structure, and a notch is formed in one side of the operation stand;

the shape of the test table top is matched with the shape of the notch, the size of the test table top is smaller than that of the notch, and the test table top is integrally embedded in the notch.

3. The nonmagnetic multistage shock-proof test stand according to claim 1, wherein the nonmagnetic table top is a nonmagnetic marble table top, an aluminum plate table top or a nonmagnetic stainless steel table top;

and/or

The non-magnetic anti-static windshield comprises a non-magnetic frame and anti-static coated glass; the non-magnetic frame is made of aluminum materials, and the coated glass is assembled on the non-magnetic frame.

4. A non-magnetic multistage shock test stand according to any one of claims 1 to 3, wherein the bottom of the first support frame and/or the second support frame is provided with a plurality of adjustable feet for adjusting the frame level;

and/or

The operation table top is connected to the second supporting frame through a lifting adjusting mechanism, so that the operation table top can vertically lift relative to the test table top under the driving of the lifting adjusting mechanism.

5. A non-magnetic multistage shock test stand according to any one of claims 1 to 3, characterized in that a plurality of storage bins and/or a plurality of equipment bins are provided on the second support frame;

and/or

And a plurality of threading holes are formed in the operating table top and/or the second supporting frame.

6. A special workstation for verifying weights, which is used for completing verification operation of weights through a mass comparator and is characterized by comprising the non-magnetic multistage vibration-proof test bed according to any one of claims 1-5;

the bottom support of the first support frame is arranged on the shock absorption support column; the bottom support of the second support frame is arranged on the ground; and is also provided with

The bottom of the damping support column is fixed in a damping trench arranged on the ground, and the cross section area of the damping support column is smaller than that of the damping trench, so that the outer peripheral wall surface of the damping support column is not contacted with the inner side wall surface of the damping trench after being arranged in the damping trench, and a ring groove cavity is formed between the outer peripheral wall surface of the damping support column and the inner side wall surface of the damping trench;

and the ring groove cavity is filled with damping filler, so that a damping filler layer between the ground and the damping support column is formed.

7. The weight verification special workstation of claim 6, wherein the depth of the shock absorbing trench is not less than 0.8m; and/or the distance between the inner side wall surface of the damping trench and the outer peripheral wall surface of the damping support column is not less than 10cm.

8. The weight verification special workstation according to claim 6 or 7, wherein the shock absorbing filler is shock absorbing fine sand or shock absorbing plastic particles;

and/or

The shock-absorbing support column is a concrete support column.

9. The weight verification special workstation according to claim 6 or 7, wherein at least one storage bin is arranged on the second supporting frame, and at least one weight warehouse for storing standard weights is arranged in the at least one storage bin.

10. The special workstation for weight verification according to claim 9, wherein elastic anti-collision pads are respectively arranged on the bottom and the peripheral side wall surfaces of the weight warehouse.