CN211697387U - Cement fineness negative pressure screen analysis appearance calibrating device - Google Patents

Cement fineness negative pressure screen analysis appearance calibrating device Download PDF

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Publication number
CN211697387U
CN211697387U CN202020402343.1U CN202020402343U CN211697387U CN 211697387 U CN211697387 U CN 211697387U CN 202020402343 U CN202020402343 U CN 202020402343U CN 211697387 U CN211697387 U CN 211697387U
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China
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negative pressure
cement fineness
box
calibrating device
stabilizing pump
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CN202020402343.1U
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Chinese (zh)
Inventor
毕旭宾
韩亚楠
杜涛
徐少军
董航杰
刘仁僧
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Xingtai City Metrology And Testing Institute
Xingtai Zhongshi Instrument Equipment Co ltd
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Xingtai City Metrology And Testing Institute
Xingtai Zhongshi Instrument Equipment Co ltd
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Abstract

The utility model relates to a cement fineness negative pressure screen analysis appearance calibrating device, it includes the steady voltage pump, is provided with the adjusting handle who is used for adjusting its internal pressure size on the steady voltage pump, and the steady voltage pump communicates respectively through the pipeline has negative pressure table and fourth joint, and the fourth joint is used for connecting cement fineness negative pressure screen analysis appearance, and the pipeline intercommunication between steady voltage pump and the negative pressure table has the zero setting valve. The utility model discloses simple structure, the problem of carrying out static, dynamic calibration to cement fineness negative pressure screen analysis appearance system has been solved, can develop the calibration work to cement fineness negative pressure screen analysis appearance in work, the accuracy of cement fineness measurement result is improved, provide absolute guarantee to product quality control, and, negative pressure table slidable installs in the box, conveniently observe and accomodate, it has the case lid to articulate on the box, the convenience is to accomodating and transporting of this device, prevent inside the dust pollution, be provided with a plurality of adapters, can be used for being connected with the cement fineness negative pressure screen analysis appearance of different specifications.

Description

Cement fineness negative pressure screen analysis appearance calibrating device
Technical Field
The utility model belongs to the technical field of the instrument calibration, especially, relate to cement fineness negative pressure screen analysis appearance calibrating device.
Background
The cement fineness negative pressure screen analyzer is used for testing the fineness of cement such as portland cement, ordinary portland cement, slag portland cement, fly ash portland cement, composite portland cement and the like, and the cement fineness negative pressure screen analyzer needs to be calibrated frequently in order to ensure the accuracy of a test result, however, no complete calibration device for calibrating the cement fineness negative pressure screen analyzer exists in the market at present, and the cement fineness negative pressure screen analyzer cannot be directly connected with a calibrated instrument when a pressure gauge is used for calibration alone; furthermore, the negative pressure of the instrument to be calibrated cannot be directly calibrated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cement fineness negative pressure screen analysis appearance calibrating device that complete, can directly be used for calibrating cement fineness negative pressure screen analysis appearance is provided.
In order to solve the above problems, the utility model adopts the following technical proposal:
the calibration device for the cement fineness negative pressure screen analyzer comprises a pressure stabilizing pump, wherein an adjusting hand wheel for adjusting the pressure in the pressure stabilizing pump is arranged on the pressure stabilizing pump, the pressure stabilizing pump is respectively communicated with a negative pressure meter and a fourth joint through pipelines, the fourth joint is used for connecting the cement fineness negative pressure screen analyzer, and a zero setting valve is arranged on the pipeline between the pressure stabilizing pump and the negative pressure meter.
As a further improvement of the utility model, the stabilivolt pump is connected with the second and connects and the third connects, the negative pressure table is connected with first joint, the negative pressure table with the stabilivolt pump passes through first joint, pipeline with the second connects the intercommunication, the stabilivolt pump pass through the third connect and the pipeline with the fourth connects the intercommunication.
As a further improvement, the utility model also comprises a box body, the upper surface of box is opened and is used for supplying the through-hole that the negative pressure table passes through, the negative pressure table can be gliding the installation from top to bottom in the box body.
As a further improvement, there is a guide rail support fixed mounting in the box, fixed mounting has the guide rail on the guide rail support, one side fixed mounting of negative pressure table with guide rail complex slider, the opposite side fixed mounting of negative pressure table has the lifter plate.
As a further improvement, the upper surface of the box body is provided with a groove, the adapter of a plurality of different specifications is placed through the foaming cotton in the groove.
As a further improvement, the constant pressure pump is fixedly mounted in the box body, the adjusting hand wheel passes behind the upper surface of the box body and the constant pressure pump is connected.
As a further improvement of the present invention, the fourth joint is fixedly mounted on the upper surface of the box body.
As a further improvement, the upper surface edge of the box body is hinged with a box cover.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model has simple structure, solves the problem of static and dynamic calibration of the cement fineness negative pressure screen analyzer system, can carry out the calibration work of the cement fineness negative pressure screen analyzer in the work, improves the accuracy of the cement fineness measurement result, and provides absolute guarantee for the product quality control; moreover, the negative pressure gauge can be slidably arranged in the box body, so that the observation and the storage are convenient; the box body is hinged with the box cover, so that the device is convenient to store and transport, and the dust is prevented from polluting the inside; be provided with a plurality of adapters, can be used for being connected with the cement fineness negative pressure sieve analysis appearance of different specifications.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention without the pipeline;
FIG. 3 is a schematic view of the sliding installation structure of the negative pressure gauge of the present invention;
fig. 4 is a schematic view of the connection structure of the present invention.
Wherein: 1. the device comprises a box body, 2, a negative pressure meter, 3, a zero setting valve, 4, a pressure stabilizing pump, 5, a fourth joint, 6, an adjusting hand wheel, 7, a guide rail bracket, 8, a guide rail, 9, a sliding block, 10, a lifting plate, 11, a connector, 12, a first joint, 13, a second joint, 14, a third joint, 15 and a box cover.
Detailed Description
To make the objects, aspects and advantages of the present invention clearer and more fully described below with reference to the following detailed description, it is to be understood that the terms "center", "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the drawings, and are used merely for convenience of describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
As shown in fig. 4, the calibration device for the cement fineness negative pressure screen analyzer comprises a pressure stabilizing pump 4, wherein an adjusting hand wheel 6 for adjusting the internal pressure of the pressure stabilizing pump 4 is arranged on the pressure stabilizing pump 4, the pressure stabilizing pump 4 is respectively communicated with a negative pressure meter 2 and a fourth connector 5 through pipelines, the fourth connector 5 is used for connecting the cement fineness negative pressure screen analyzer, and a zero setting valve 3 is arranged on the pipeline between the pressure stabilizing pump 4 and the negative pressure meter 2.
In the device, the negative pressure gauge 2 is used for calibration and is used for calibrating a sieve analyzer communicated with the fourth joint 5, the zero setting valve 3 is used for setting the negative pressure in the communication pipeline to zero, and the pressure stabilizing pump and the adjusting hand wheel 6 are matched for use and are used for providing different negative pressure values, and meanwhile, the static and dynamic calibration effects can be achieved.
As shown in fig. 2 and 4, the respective components and connections in the present embodiment are as follows: the pressure stabilizing pump 4 is connected with a second connector 13 and a third connector 14, the negative pressure meter 2 is connected with a first connector 12, the negative pressure meter 2 is communicated with the pressure stabilizing pump 4 through the first connector 12, a pipeline and the second connector 13, the pressure stabilizing pump 4 is communicated with the fourth connector 5 through the third connector 14 and the pipeline, and the fourth connector 5 is fixedly installed on the upper surface of the box body 1.
As shown in fig. 1, the device further comprises a box body 1, wherein the box body 1 has the functions of supporting, fixing and protecting internal parts; for the convenience of observing negative pressure table 2's numerical value is conveniently accomodate, is protected negative pressure table 2 simultaneously open the upper surface of box 1 and is used for supplying the through-hole that negative pressure table 2 passes through, will negative pressure table 2 sets up to slidable mounting in the box 1, like this, when using this device, can make negative pressure table 2 slides out, when not the time spent, can again with negative pressure table 2 slides inside box 1.
As shown in fig. 3, in order to make the negative pressure gauge 2 slidable, the following means is specifically adopted: fixed mounting has guide rail bracket 7 in the box 1, fixed mounting has guide rail 8 on the guide rail bracket 7, one side fixed mounting of negative pressure table 2 with 8 complex sliders 9 of guide rail.
Because when the negative pressure gauge 2 is slid, a hand of a person can directly contact the negative pressure gauge 2, so that the glass of the negative pressure gauge 2 is blurred, in this embodiment, a lifting plate 10 is fixedly installed on the other side of the negative pressure gauge 2, and a worker can push and pull the lifting plate 10 to achieve the purpose of sliding the negative pressure gauge 2.
As shown in fig. 1, since the connectors of the calibrated cement fineness negative pressure screen analyzer have different specifications, in order to adapt to more specifications, the upper surface of the box body 1 is provided with a groove, and five adapters 11 with different specifications are placed in the groove through foam cotton.
As shown in fig. 1 and 2, the pressure maintaining pump 4 and the adjusting handwheel 6 are specifically mounted in the form of: the pressure stabilizing pump 4 is fixedly installed in the box body 1, and the adjusting hand wheel 6 penetrates through the upper surface of the box body 1 and then is connected with the pressure stabilizing pump 4.
As shown in fig. 1, a cover 15 is hinged to an upper surface edge of the case 1 for easy storage, installation and prevention of dust contamination.
When the device is used, an instrument to be calibrated is connected to the fourth connector 5 through the corresponding adapter 11, the negative pressure meter 2 is lifted out through the lifting plate 10, the negative pressure in a pipeline is adjusted to zero through the zero adjustment valve 3, then the reading of the pressure meter in the instrument to be calibrated at present is recorded, the negative pressure value in the whole pipeline is adjusted by rotating the adjusting hand wheel 6, when static calibration is needed, the adjusting hand wheel 6 is adjusted to a proper position, and after the numerical values of the calibration device and the instrument to be calibrated are stable, whether the reading changes of the pressure meter of the instrument to be calibrated are consistent or not is observed; when dynamic calibration is needed, the adjusting hand wheel 6 is kept rotating, and whether the reading variation amplitude of the negative pressure meter 2 is consistent with that of the pressure meter of the instrument to be calibrated or not is observed. And calculating according to the read numerical value, and calibrating the cement fineness negative pressure screen analyzer according to the error.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (8)

1. Cement fineness negative pressure sieve analysis appearance calibrating device, its characterized in that: the device comprises a pressure stabilizing pump (4), wherein a regulating hand wheel (6) used for regulating the internal pressure of the pressure stabilizing pump is arranged on the pressure stabilizing pump (4), the pressure stabilizing pump (4) is respectively communicated with a negative pressure meter (2) and a fourth joint (5) through a pipeline, the fourth joint (5) is used for connecting a cement fineness negative pressure screen analyzer, and a zero adjusting valve (3) is arranged on the pipeline between the pressure stabilizing pump (4) and the negative pressure meter (2).
2. The cement fineness negative pressure screen analyzer calibrating device of claim 1, characterized in that: the pressure stabilizing pump (4) is connected with a second connector (13) and a third connector (14), the negative pressure meter (2) is connected with a first connector (12), the negative pressure meter (2) is communicated with the pressure stabilizing pump (4) through the first connector (12), a pipeline and the second connector (13), and the pressure stabilizing pump (4) is communicated with the fourth connector (5) through the third connector (14) and the pipeline.
3. The cement fineness negative pressure screen analyzer calibrating device of claim 1, characterized in that: still include box (1), the upper surface of box (1) is opened has and is used for supplying the through-hole that negative pressure table (2) passed through, but negative pressure table (2) gliding installation from top to bottom in box (1).
4. The cement fineness negative pressure screen analyzer calibrating device of claim 3, characterized in that: fixed mounting has rail brackets (7) in box (1), fixed mounting has guide rail (8) on rail brackets (7), one side fixed mounting of negative pressure table (2) have with guide rail (8) complex slider (9), the opposite side fixed mounting of negative pressure table (2) has lifter plate (10).
5. The cement fineness negative pressure screen analyzer calibrating device of claim 3, characterized in that: the upper surface of box (1) is provided with the recess, place adapter (11) of a plurality of different specifications through the foaming cotton in the recess.
6. The cement fineness negative pressure screen analyzer calibrating device of claim 3, characterized in that: the pressure stabilizing pump (4) is fixedly installed in the box body (1), and the adjusting hand wheel (6) penetrates through the upper surface of the box body (1) and then is connected with the pressure stabilizing pump (4).
7. The cement fineness negative pressure screen analyzer calibrating device of claim 3, characterized in that: the fourth joint (5) is fixedly arranged on the upper surface of the box body (1).
8. The cement fineness negative pressure screen analyzer calibrating device of claim 3, characterized in that: the upper surface edge of the box body (1) is hinged with a box cover (15).
CN202020402343.1U 2020-03-26 2020-03-26 Cement fineness negative pressure screen analysis appearance calibrating device Active CN211697387U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020402343.1U CN211697387U (en) 2020-03-26 2020-03-26 Cement fineness negative pressure screen analysis appearance calibrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020402343.1U CN211697387U (en) 2020-03-26 2020-03-26 Cement fineness negative pressure screen analysis appearance calibrating device

Publications (1)

Publication Number Publication Date
CN211697387U true CN211697387U (en) 2020-10-16

Family

ID=72781392

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020402343.1U Active CN211697387U (en) 2020-03-26 2020-03-26 Cement fineness negative pressure screen analysis appearance calibrating device

Country Status (1)

Country Link
CN (1) CN211697387U (en)

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