CN218995044U

CN218995044U - Second-class standard glass gauge special for volume weight device

Info

Publication number: CN218995044U
Application number: CN202223292950.5U
Authority: CN
Inventors: 罗勇; 苗芳
Original assignee: Liaoning Institute of Metrology
Current assignee: Liaoning Institute of Metrology
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-09
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a second-class standard glass gauge special for a volume weight device, which relates to the field of verification equipment and comprises a glass gauge main body and a volume cylinder, wherein a fixing mechanism and a measuring mechanism are arranged on the glass gauge main body; the fixing mechanism comprises a supporting rod and a clamping plate, wherein the bottom of the supporting rod is provided with a base, the base is provided with a volumetric cylinder, the supporting rod is provided with an annular support, the annular support is sleeved on a glass gauge main body, and through the arrangement of a three-way valve and other structures, verification staff can complete verification work of the volumetric container in verification process by only operating one glass gauge, so that the flow of operating the indexing suction pipe is omitted, a large amount of time is saved, and through the arrangement of a scale plate and other structures, the verification staff can determine whether the volume of the volumetric cylinder exceeds the maximum allowable error of +/-2.0 mL specified by regulations or not through two readings in the verification process, the condition that huge errors are easily caused by multiple readings is avoided, and the errors are reduced as much as possible.

Description

Second-class standard glass gauge special for volume weight device

Technical Field

The utility model relates to the field of verification equipment, in particular to a second-class standard glass gauge special for a volume weight gauge.

Background

The volume weight is the weight of unit volume, the volume weight of wheat and corn is the weight of one liter of wheat and corn under the standard volume weight device experiment, and the volume weight is the comprehensive sign of grain quality. It has close relation with the tissue structure, chemical composition, shape and size of the grain, water content, specific gravity, impurity content, etc. Similar grains, such as full grains, compact structure and large volume weight; otherwise, the volume weight is small. Therefore, the volume weight is an important index for evaluating the quality of grains. In some standards, wheat, corn and the like all take volume weight as basic items of constant and the like, and the volume weight is positively correlated with the processing yield. The volume weight can also be used for calculating the volume of the grain bin and the volume of the grain pile and estimating the quality of grains. According to national legal regulations, the volume weight device must be subjected to mandatory verification every year.

In the prior art, the volume weight device is detected, a special standard measuring device is lacked, two instruments, namely a standard glass measuring device and an indexing straw, are generally adopted to detect the volume weight device, and in the detection process, detection personnel are required to repeatedly operate the two instruments by using the two instruments, so that the detection process is troublesome, the operation is performed for a plurality of times, the reading is performed, huge errors are easy to occur, and the accuracy cannot be guaranteed. Therefore, a special second-class standard glass gauge for a volume weight gauge is provided.

Disclosure of Invention

The utility model aims to provide a special second-class standard glass gauge for a volume weight device, so as to solve the problems that the operation is complex and huge errors are easy to occur in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the second-class standard glass gauge special for the bulk density gauge comprises a glass gauge main body and a capacity cylinder, wherein a fixing mechanism and a measuring mechanism are arranged on the glass gauge main body; the fixing mechanism comprises a supporting rod and a clamping plate, a base is arranged at the bottom of the supporting rod, a capacity cylinder is arranged on the base, an annular support is arranged on the supporting rod, and the annular support is sleeved on the glass gauge main body.

Preferably, the supporting rod top is sleeved with a clamping plate supporting rod, the other end of the clamping plate supporting rod is provided with a clamping plate rotating shaft, one end of the clamping plate is arranged on the clamping plate rotating shaft, and the other end of the clamping plate is clamped on the glass measuring device main body.

Preferably, the measuring mechanism comprises a scale plate and a three-way valve, the three-way valve is arranged at the bottom of the glass gauge main body, and a liquid outlet pipe is arranged at the bottom of the three-way valve.

Preferably, a spacer groove is formed in the capacity cylinder, and a spacer is slidably arranged in the spacer groove.

Preferably, the splint support rod is provided with a threaded hole, a fixing screw is arranged in the threaded hole, and the other end of the fixing screw is contacted with the support rod.

Preferably, the glass gauge main body is made of high-boron glass.

Preferably, the number of the clamping plates is two, and the clamping plates are semicircular.

Preferably, the top and the bottom of the glass gauge main body are provided with scale plates.

Preferably, the spacer material is colorless transparent high boron glass.

Compared with the prior art, the utility model has the beneficial effects that:

(1) Through the arrangement of the three-way valve and other structures, the verification staff can complete the verification work of the weight container by only operating one glass measuring device in the verification process, the flow of operating the indexing suction pipe is omitted, and a large amount of time is saved.

(2) Through the arrangement of structures such as a scale plate, a verification personnel can determine whether the volume of the volumetric cylinder exceeds the maximum allowable error of +/-2.0 mL specified by regulations through reading twice in the verification process, the condition that a plurality of readings are needed before and huge errors are easily caused is avoided, and the errors are reduced as much as possible.

Drawings

FIG. 1 is a schematic diagram of the main structure of an embodiment of a special second-class standard glass gauge for a load cell of the present utility model;

FIG. 2 is a schematic top structural view of an embodiment of a special second-class standard glass gauge for a bulk density gauge of the present utility model;

FIG. 3 is a schematic diagram of the bottom structure of an embodiment of a special second-class standard glass gauge for a bulk density meter of the present utility model;

FIG. 4 is a schematic cross-sectional view of an embodiment of a special second-class standard glass gauge for a bulk density meter of the present utility model.

In the figure: 1. a glass gauge body; 2. rong Liangtong; 3. a fixing mechanism; 4. a measuring mechanism; 21. spacer grooves; 22. a spacer; 31. a support rod; 32. a clamping plate; 33. a base; 34. an annular bracket; 35. a splint strut; 36. a clamping plate rotating shaft; 37. a threaded hole; 38. a fixed screw; 41. a scale plate; 42. a three-way valve; 43. and a liquid outlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, the present utility model provides a technical solution: the second-class standard glass gauge special for the bulk density gauge comprises a glass gauge main body 1 and a capacity cylinder 2, and is used for solving the problem that a plurality of instruments are needed to be matched in the verification process, so that the operation process is complicated, and a fixing mechanism 3 and a measuring mechanism 4 are arranged on the glass gauge main body 1; the fixing mechanism 3 comprises a supporting rod 31 and a clamping plate 32, a base 33 is arranged at the bottom of the supporting rod 31, a capacity cylinder 2 is arranged on the base 33, an annular support 34 is arranged on the supporting rod 31, the annular support 34 is sleeved on the glass gauge main body 1, a three-way valve 42 is arranged at the bottom of the glass gauge main body 1, and the flow of operating the indexing straw is omitted through the arrangement of the three-way valve 42.

In order to conveniently fix the glass gauge main body 1, the glass gauge main body 1 can be horizontally placed on a support, a clamping plate supporting rod 35 is sleeved at the top of a supporting rod 31, a clamping plate rotating shaft 36 is arranged at the other end of the clamping plate supporting rod 35, one end of a clamping plate 32 is arranged on the clamping plate rotating shaft 36, the other end of the clamping plate 32 is clamped on the glass gauge main body 1, the number of the clamping plates 32 is two, the clamping plates 32 are semicircular, threaded holes 37 are formed in the clamping plate supporting rod 35, a fixing screw rod 38 is arranged in the threaded holes 37, and the other end of the fixing screw rod 38 is in contact with the supporting rod 31.

In order to facilitate observation of the conditions in the measuring cylinder 2, a spacer groove 21 is formed in the measuring cylinder 2, and a spacer 22 is slidably mounted in the spacer groove 21. The spacer 22 is made of colorless and transparent high-boron glass. The glass gauge body 1 is made of high-boron glass.

The working principle is as follows: when the measuring cylinder 2 is detected, enough deionized water is firstly injected into the glass measuring device main body 1, the three-way valve 42 below the glass measuring device main body 1 is opened, so that the deionized water flows out of the liquid outlet pipe 43 until the gas in the liquid outlet pipe 43 is exhausted, the three-way valve 42 is closed, at the moment, the numerical value corresponding to the tangent between the lower edge of the meniscus of the liquid level of the deionized water in the glass measuring device main body 1 and the upper edge of the scale plate 41 is checked, the numerical value is ensured to be more than 1010mL, and the numerical value is recorded. The lower end of the adjusted glass gauge main body 1 is placed in the annular bracket 34, the clamping plate 32 is adjusted, the clamping plate 32 is clamped at the upper end of the glass gauge main body 1, the clamping plate supporting rod 35 is fixed at the proper position of the supporting rod 31 by rotating the fixing screw rod 38, and attention is paid to the fact that the clamping plate 32 cannot shield the scale plate 41 on the glass gauge main body 1. After fixing the position of the glass gauge main body 1, cleaning the inner wall of the volumetric cylinder 2, placing the volumetric cylinder 2 on the base 33, enabling the volumetric cylinder 2 to be positioned right below the glass gauge main body 1, opening the three-way valve 42, enabling deionized water in the glass gauge main body 1 to be injected into the volumetric cylinder 2, and in the injection process, paying attention to a numerical value corresponding to the tangent of the lower edge of the liquid level meniscus of the deionized water in the glass gauge main body 1 and the upper edge of the scale plate 41 at all times until 998.0mL of deionized water is injected into the volumetric cylinder 2, closing the three-way valve 42, at the moment, smoothly and slowly inserting the glass sheet 22 into the spacer groove 21 of the volumetric cylinder 2 to judge the volume of the volumetric cylinder 2 (the maximum allowable error +/-2.0 mL of the volumetric cylinder 2), judging that the actual volume of the volumetric cylinder 2 does not reach the volume specified by the volumetric weight, judging that the volumetric cylinder is failed, slowly fine adjusting the valve 42 if bubbles exist between the spacer 22 and the liquid level in the volumetric cylinder 2 until the volumetric cylinder 2 completely disappears, and the volumetric cylinder 2.2 mL exceeds the value, and judging that the volumetric cylinder 2.2.2 mL exceeds the volumetric cylinder 2 mL exceeds the allowable value, if the volumetric cylinder 2.2 mL exceeds the allowable value, and the volumetric cylinder fails. After verification, pouring out the liquid in the volumetric cylinder 2, wiping the inner wall of the volumetric cylinder 2, taking down the glass volumetric body 1 from the fixing mechanism 3, pouring out the residual liquid, cleaning up and using the glass volumetric body when the next verification is performed.

Example 2: referring to fig. 2, in order to reduce the number of readings of the certification personnel during the certification process, the measuring mechanism 4 includes a scale 41 and a three-way valve 42, the three-way valve 42 is installed at the bottom of the glass gauge body 1, and a liquid outlet pipe 43 is installed at the bottom of the three-way valve 42. The top and bottom of the glass gauge body 1 are provided with scale plates 41, the liquid flow in the glass gauge body 1 is controlled through a three-way valve 42, verification work can be completed only by reading twice, errors are greatly reduced, and other characteristics are the same as those of the embodiment 1.

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

Claims

1. The second-class standard glass gauge special for the bulk density gauge comprises a glass gauge main body (1) and a capacity cylinder (2), wherein a fixing mechanism (3) and a measuring mechanism (4) are arranged on the glass gauge main body (1); the method is characterized in that: the fixing mechanism (3) comprises a supporting rod (31) and a clamping plate (32), a base (33) is arranged at the bottom of the supporting rod (31), a capacity cylinder (2) is arranged on the base (33), an annular bracket (34) is arranged on the supporting rod (31), the annular bracket (34) is sleeved on the glass gauge main body (1),

the glass gauge is characterized in that a clamping plate supporting rod (35) is sleeved at the top of the supporting rod (31), a clamping plate rotating shaft (36) is arranged at the other end of the clamping plate supporting rod (35), one end of the clamping plate (32) is arranged on the clamping plate rotating shaft (36), and the other end of the clamping plate (32) is clamped on the glass gauge body (1).

2. The special second-class standard glass gauge for the volume weight device according to claim 1, wherein: the measuring mechanism (4) comprises a scale plate (41) and a three-way valve (42), the three-way valve (42) is arranged at the bottom of the glass gauge main body (1), and a liquid outlet pipe (43) is arranged at the bottom of the three-way valve (42).

3. The special second-class standard glass gauge for the volume weight device according to claim 1, wherein: the capacity cylinder (2) is provided with a spacer groove (21), and a spacer (22) is slidably arranged in the spacer groove (21).

4. The special second-class standard glass gauge for the volume weight device according to claim 1, wherein: threaded holes (37) are formed in the clamping plate supporting rods (35), fixing screws (38) are installed in the threaded holes (37), and the other ends of the fixing screws (38) are in contact with the supporting rods (31).

5. The special second-class standard glass gauge for the volume weight device according to claim 1, wherein: the glass gauge main body (1) is made of high-boron glass.

6. The special second-class standard glass gauge for the volume weight device according to claim 1, wherein: the number of the clamping plates (32) is two, and the clamping plates (32) are semicircular.

7. The special second-class standard glass gauge for the volume weight device according to claim 2, wherein: the top and the bottom of the glass gauge main body (1) are respectively provided with a scale plate (41).

8. A special second-class standard glass gauge for a bulk density apparatus according to claim 3, wherein: the spacer (22) is made of colorless and transparent high-boron glass.