CN117388140B - Laboratory powder material monitoring method and monitoring device - Google Patents
Laboratory powder material monitoring method and monitoring device Download PDFInfo
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- CN117388140B CN117388140B CN202311639903.XA CN202311639903A CN117388140B CN 117388140 B CN117388140 B CN 117388140B CN 202311639903 A CN202311639903 A CN 202311639903A CN 117388140 B CN117388140 B CN 117388140B
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- 239000000843 powder Substances 0.000 title claims abstract description 84
- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000002474 experimental method Methods 0.000 claims abstract description 13
- 239000000725 suspension Substances 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Harvesting Machines For Root Crops (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of powder material monitoring equipment, in particular to a laboratory powder material monitoring method and a laboratory powder material monitoring device, comprising a powder concentration monitor, and further comprising a bearing frame which is used for clamping the powder concentration monitor and can adjust a monitoring angle, wherein a supporting part which supports the powder concentration monitor to lift off a table top is arranged below the bearing frame; the bearing frame comprises an instrument frame, a folding spring used for retracting the front end of the instrument frame and a sleeve belt used for being sleeved at the rear end of the instrument frame. According to the invention, the powder concentration monitor is clamped by the arranged bearing frame, so that the monitoring angle can be adjusted conveniently; and lift away the desktop through the portion of propping up that sets up and prop up the carrier, and vacate the experiment area to make powder concentration monitor in time monitor experiment powder operation regional concentration condition, with warning experimenter control good experiment progress and operation range, improved the degree of accuracy and the environmental condition of experiment powder quantity effectively.
Description
Technical Field
The invention relates to the technical field of powder material monitoring equipment, in particular to a laboratory powder material monitoring method and a laboratory powder material monitoring device.
Background
Laboratory powder material analysis components can be traced to a number of fields including materials science, chemistry, physics, and the like. Researchers in these fields need to know the nature, composition and structure of powder materials in order to better apply and develop these materials. For example, in the field of material science, researchers need to know the particle size, morphology, composition, etc. characteristics of powder materials to optimize their performance and preparation process. In the chemical field, the chemical composition and structure of powder materials have a significant impact on their reactivity and application.
However, when transferring or taking and placing the powder material, the powder is inevitably lifted up due to the influence of the action range of the experimenter. This not only affects the accuracy of the dosage of powder weighing and mixing, but also pollutes the clean laboratory environment, thus requiring real-time monitoring.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a laboratory powder material monitoring method and a laboratory powder material monitoring device so as to solve the problems in the prior art.
In order to achieve the above purpose, in one aspect, the invention provides a laboratory powder material monitoring device, which comprises a powder concentration monitor, and further comprises a bearing frame used for clamping the powder concentration monitor and capable of adjusting a monitoring angle, wherein a supporting part for supporting the powder concentration monitor to lift off a tabletop is arranged below the bearing frame;
the bearing frame comprises an instrument frame, a folding spring used for retracting the front end of the instrument frame and a sleeve belt used for being sleeved at the rear end of the instrument frame; the instrument frame consists of a pair of brackets which are arranged at intervals, the sleeve belt is sleeved with the powder concentration monitor, and the front end of the instrument frame is provided with a support column which is connected with the bearing frame in a rotating way towards the outer side;
the supporting part is a suspension group, the suspension group comprises an arc-shaped bracket, a sliding seat in sliding connection with the bracket and a lock pin for locking the sliding seat, and the sliding seat is fixedly connected with the bottom surface of the front end of the bearing frame;
the supporting part is a pair of supporting groups, and the supporting groups comprise foldable and expandable supporting rod pieces, hanging rods and rod seats arranged at the upper end and the lower end of the supporting rod pieces and sliding rods spliced with the bearing frames; the other end of the sliding rod is sleeved and matched with the suspender.
As a further improvement of the technical scheme, the outer end of the front end bending section of the support is vertically upwards folded, the support column is adhered to the outer side of the upwards folded section, the bearing frame is of a U-shaped structure, concave holes are symmetrically formed in the two inner sides of the bearing frame, and the support column is spliced with the concave holes and can rotate.
As a further improvement of the technical scheme, the folding spring is embedded in the inner side of the bending section of the support, and the sleeve belt is made of an elastic belt and is connected with the cavity of the side face of the rear end of the support in a penetrating mode.
As a further improvement of the technical scheme, the bottom end of the bracket is provided with a strip-shaped supporting foot, and the supporting foot points to the powder concentration monitor and is equal to the width of the bearing frame.
As a further improvement of the technical scheme, the bottom of the sliding seat is arc-shaped, sliding holes are formed in the two ends of the sliding seat, the bracket is inserted into the sliding holes, a lantern ring is arranged in the middle of the bottom surface of the sliding seat and is communicated with the sliding holes, the lock pin is inserted into the lantern ring and is propped into the sliding holes, a tension spring is sleeved outside the lantern ring, and the upper end and the lower end of the tension spring are respectively bonded with the contact surfaces of the sliding seat and the lock pin.
As a further improvement of the technical scheme, the bottom surface of the lock pin is provided with a pull sleeve, two ends of the bottom surface of the sliding seat are provided with fixing holes, and bolts penetrate through the fixing holes and are in threaded connection with the bottom surface of the bearing frame.
As a further improvement of the technical scheme, the supporting rod piece is composed of a pair of upper connecting rods, a plurality of centering connecting rods and a pair of lower connecting rods, each pair of upper connecting rods, a plurality of centering connecting rods and a pair of lower connecting rods are in crossed joint and are in rotary connection, the upper connecting rods, the middle connecting rods and the lower connecting rods are in head-to-tail rotary connection, the upper connecting rods and the lower connecting rods are respectively connected with the hanging rods and the rod base in a clamping mode and can be in sliding connection, connecting sleeves sleeved with the sliding rods are arranged at the front ends of the hanging rods, insertion holes are formed in two sides of the front ends of the bearing frame in a penetrating mode, limiting blocks are respectively arranged on two side walls of the front ends and the rear ends of the insertion holes, and limiting grooves are formed in a side central line of the sliding rods and are in clamping sliding connection with the limiting blocks.
As a further improvement of the technical scheme, the middle part of the top surface of the suspender is provided with a threaded sleeve ring, the suspender and the rod seat are of a cavity structure, the side surface of the suspender is provided with a waist-shaped groove, the threaded sleeve ring is communicated with the cavity, the threaded sleeve ring is internally connected with a threaded rod, and one side of the sliding rod is provided with a clamping block which is spliced with the connecting sleeve.
As a further improvement of the technical scheme, a rod groove is formed in the lower end of the upper connecting rod, a rotating rod which is clamped with the rod groove and can be rotatably connected is arranged at the upper end of the middle connecting rod, a rotating groove is formed in the lower end of the middle connecting rod, and a butt joint rod is arranged at the upper end of the lower connecting rod.
On the other hand, the invention also provides a laboratory powder substance monitoring method, which comprises the laboratory powder substance monitoring device and comprises the following steps:
s1, firstly, placing an assembled powder concentration monitor and a supporting part above a laboratory desktop experiment area;
s11, if the suspension group is used as a supporting part, the monitoring position is adjusted by sliding the bearing frame left and right on the bracket;
s12, if the supporting group is used as a supporting part, the expanding distance of the sliding rods is lengthened through the outward pulling of the hanging rods;
s13, the pull rod seat is lowered to rotate the support rod piece to be unfolded from a horizontal folding state to a vertical closing folding state, and the bearing frame is supported up;
s2, turning over the powder concentration monitor on the bearing frame in the front-back direction, so that the monitoring probe of the powder concentration monitor faces the goaf for real-time monitoring.
Compared with the prior art, the invention has the beneficial effects that:
according to the laboratory powder substance monitoring method and the laboratory powder substance monitoring device, the powder concentration monitor is clamped by the arranged bearing frame, so that the monitoring angle can be adjusted conveniently; and lift away the desktop through the portion of propping up that sets up and prop up the carrier, and vacate the experiment area to make powder concentration monitor in time monitor experiment powder operation regional concentration condition, with warning experimenter control good experiment progress and operation range, improved the degree of accuracy and the environmental condition of experiment powder quantity effectively.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. Those skilled in the art with access to the teachings of the present invention can select a variety of possible shapes and scale sizes to practice the present invention as the case may be.
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a schematic view of a suspension assembly structure according to the present invention;
FIG. 3 is a schematic view of an assembly structure of a carrier according to the present invention;
FIG. 4 is a split view of the carrier of the present invention;
FIG. 5 is a split view of a carriage of the present invention;
FIG. 6 is a second schematic diagram of the overall assembly structure of the present invention;
FIG. 7 is a schematic view of an assembly structure of a bracket assembly according to the present invention;
FIG. 8 is an upper exploded view of the bracket of the present invention;
FIG. 9 is a bottom exploded view of the pin of the present invention;
FIG. 10 is an assembled and disassembled view of the boom and slide of the present invention.
The meaning of each reference sign in the figure is:
100. a powder concentration monitor;
200. a carrier; 201. concave holes; 202. a jack; 203. a limiting block; 210. an instrument holder; 211. a bracket; 2111. a support column; 220. a folding spring; 230. a sleeve belt;
300. a suspension group; 310. a bracket; 311. supporting feet; 320. a slide; 321. a slide hole; 322. a collar; 323. a fixing hole; 330. a locking pin; 331. a tension spring; 332. pulling the sleeve;
400. a support group; 410. a support rod piece; 411. an upper connecting rod; 4111. a rod groove; 412. a middle connecting rod; 4121. a rotating lever; 4122. a rotating groove; 413. a lower connecting rod; 4131. a butt joint rod;
420. a boom; 421. a waist-shaped groove; 422. a threaded collar; 423. a threaded rod; 424. connecting sleeves; 430. a rod seat; 440. a slide bar; 441. a limit groove; 442. and (5) clamping blocks.
Detailed Description
The details of the invention will be more clearly understood in conjunction with the accompanying drawings and description of specific embodiments of the invention. However, the specific embodiments of the invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Given the teachings of the present invention, one of ordinary skill in the related art will contemplate any possible modification based on the present invention, and such should be considered to be within the scope of the present invention. The terms "mounted" and "connected" are to be interpreted broadly, as they may be directly connected, or indirectly connected through an intermediary.
The terms "central axis," "vertical," "horizontal," "front," "rear," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein are based on the orientation or positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, in the description of the invention, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-10, the present invention provides a laboratory powder material monitoring apparatus, which includes a powder concentration monitor 100 that monitors powder in air on line by using a light scattering method; the powder concentration monitor further comprises a bearing frame 200 used for clamping the powder concentration monitor 100 and capable of adjusting a monitoring angle, and a supporting part for supporting the powder concentration monitor to be lifted off a table top is arranged below the bearing frame 200; so as to monitor the area on the table for experiment on line, and remind the experimenters to control the experiment progress and operate the amplitude of the powder;
the carrying rack 200 comprises an instrument rack 210, a folding spring 220 for folding and pulling the front end of the instrument rack 210, and a sleeve belt 230 for sleeving the rear end of the instrument rack 210; the instrument rack 210 is composed of a pair of brackets 211 which are arranged at intervals, a sleeve belt 230 is sleeved with the powder concentration monitor 100, the pair of brackets 211 are used for supporting the powder concentration monitor 100, and the rear end of the powder concentration monitor 100 is sleeved by the sleeve belt 230 so as to be fixed into a whole; the front end of the instrument rack 210 is provided with a support column 2111 which is rotatably connected with the carrier 200, so as to drive the powder concentration monitor 100 to turn back and forth to adjust the orientation of the probe head, so that the probe head faces the goaf to monitor the air powder concentration.
Specifically, the bracing portion is a suspension set 300, and the suspension set 300 includes an arc-shaped bracket 310, a sliding seat 320 slidably connected with the bracket 310, and a locking pin 330 for locking the sliding seat 320, where the sliding seat 320 is fixedly connected with the bottom surface of the front end of the carrier 200; the position of the carriage 320 is adjusted in a left-right range on the bracket 310 by carrying the powder concentration monitor 100 so as to be suitable for the experimental area to carry out experimental monitoring on the lifting position of the powder;
the supporting part is a pair of supporting groups 400, and the supporting groups 400 comprise foldable and expandable supporting rod pieces 410, hanging rods 420 and rod seats 430 arranged at the upper end and the lower end of the supporting rod pieces 410 and sliding rods 440 spliced with the bearing frames 200; the other end of the sliding rod 440 is sleeved and matched with the hanging rod 420, so that the supporting group 400 can be stored and unfolded for supporting, and is convenient to carry and store the whole powder concentration monitor 100.
Further, as shown in fig. 4, the support 211 is L-shaped and the outer end of the front end bending section is vertically folded upwards, the support column 2111 is adhered to the outer side of the upward folding section, the bearing frame 200 is U-shaped, two inner sides of the support frame are symmetrically provided with concave holes 201, the support column 2111 is spliced with the concave holes 201 and rotatable, so that the support 211 supports the powder concentration monitor 100 in the bearing frame 200 to turn back and forth to adjust the posture, wherein the support column 2111 and the concave holes 201 are in interference fit, so that the adjustment angle monitored by any powder concentration monitor 100 is kept unchanged.
Further, the folding spring 220 is embedded in the inner side of the bending section of the bracket 211, and the sleeve belt 230 is made of an elastic belt and is connected with the cavity on the side surface of the rear end of the bracket 211 in an inserted manner, so that the bracket 211 and the sleeve belt 230 slide relatively to avoid mutual interference and limitation; two ends of the folding spring 220 are adhered to the inner cavities formed in the side walls of the brackets 211, and the resilience force of the folding spring 220 is utilized to drive the pair of brackets 211 to clamp the powder concentration monitor 100.
Specifically, the bottom end of the bracket 310 is provided with a bar-shaped supporting leg 311, and the supporting leg 311 points to the powder concentration monitor 100 and has the same width as the carrier 200, so that the gravity center of the supported powder concentration monitor 100 is stable, and the bracket 310 is ensured not to turn backwards;
the bottom of the sliding seat 320 is arc-shaped, sliding holes 321 are formed in two ends of the sliding seat, the bracket 310 is inserted into the sliding holes 321, and the sliding holes 321 are arc-shaped grooves so that the sliding seat 320 can slide on the bracket 310 freely; the middle part of the bottom surface of the sliding seat 320 is provided with a collar 322, the collar 322 is communicated with a sliding hole 321, a lock pin 330 is spliced with the collar 322 and is propped into the sliding hole 321, a tension spring 331 is sleeved outside the collar 322, and the upper end and the lower end of the tension spring 331 are respectively bonded with the contact surfaces of the sliding seat 320 and the lock pin 330; that is, the locking pin 330 is pulled by the resilience force of the tension spring 331 to always support against the bottom surface of the bracket 310, so as to increase the friction force, and ensure that the sliding seat 320 cannot slide, that is, the monitoring position of the powder concentration monitor 100 after adjustment is stabilized.
Further, a pull sleeve 332 is provided on the bottom surface of the lock pin 330, so that an experimenter can operate the slide seat 320 to slide by one hand, insert the thumb into the pull sleeve 332, and then press down to reduce the pressure between the lock pin 330 and the bracket 310, thereby rapidly adjusting the monitoring position of the powder concentration monitor 100; in addition, after the hands are loosened, the locking pin 330 can be pressed on the bracket 310 by the resilience force of the tension spring 331, so that the integral position of the powder concentration monitor 100 and the sliding seat 320 is positioned; fixing holes 323 are formed in two ends of the bottom surface of the sliding seat 320, bolts penetrate through the fixing holes 323 and are in threaded connection with the bottom surface of the bearing frame 200.
In addition, the supporting rod piece 410 is composed of a pair of upper connecting rods 411, a plurality of centering connecting rods 412 and a pair of lower connecting rods 413, wherein each pair is in crossed joint and is rotationally connected, and the upper connecting rods 411, the middle connecting rods 412 and the lower connecting rods 413 are rotationally connected end to end so as to integrally fold and reduce the height, and unfold and increase the height;
the upper connecting rod 411 and the lower connecting rod 413 are respectively clamped with the hanging rod 420 and the rod seat 430 and can be connected in a sliding way, so that each pair of supporting rod pieces 410 on the left side and the right side of the bearing frame 200 can be unfolded and folded; the front end of the suspender 420 is provided with a connecting sleeve 424 sleeved with the sliding rod 440, two sides of the front end of the bearing frame 200 are provided with through holes 202, two side walls of the front end and the back end of each through hole 202 are respectively provided with a limiting block 203, a side central line of the sliding rod 440 is provided with a limiting groove 441, and the limiting grooves 441 and the limiting blocks 203 are clamped and slide, so that the sliding rod 440 is limited, slipping of the sliding rod 440 is avoided, and the pair of sliding rods 440 is ensured to always support the bearing frame 200.
Further, a threaded collar 422 is arranged in the middle of the top surface of the suspender 420, the suspender 420 and the rod seat 430 are of a cavity structure, a waist-shaped groove 421 is formed in the side surface of the suspender, and the upper end of the upper connecting rod 411 and the lower end of the lower connecting rod 413 penetrate through pins and are inserted into the waist-shaped groove 421 and can slide; the threaded collar 422 is communicated with the cavity, the threaded rod 423 is connected in the threaded collar 422 in a threaded manner, and the threaded rod 423 is rotated to prop against the cavity, so that the upper connecting rod 411 is blocked, the sliding of the upper connecting rod 411 is avoided, and the supporting rod piece 410 is guaranteed to prop up in a height state; one side of the sliding rod 440 is provided with a clamping block 442 inserted with the connecting sleeve 424, and the sliding rod 440 is inserted into the jack 202 in a staggered manner, so that the front and back alignment of the supporting rod 410 is ensured to form a supporting state.
Further, a rod groove 4111 is formed in the lower end of the upper connecting rod 411, a rotating rod 4121 which is clamped with the rod groove 4111 and is rotatably connected with the upper end of the middle connecting rod 412 is formed in the lower end of the middle connecting rod 412, a rotating groove 4122 is formed in the lower end of the middle connecting rod 412, and a butt joint rod 4131 is arranged at the upper end of the lower connecting rod 413; the two upper and lower adjacent middle connecting rods 412 are clamped by the rotating rod 4121 and the rotating groove 4122 and then are connected in a rotating way through pins, and the lower connecting rod 413 and the middle connecting rods 412 are clamped by the abutting rod 4131 and the rotating groove 4122 and then are connected in a relative rotating way, so that the whole supporting rod piece 410 is switched and folded in the height and width directions.
The embodiment also provides a laboratory powder material monitoring method, which comprises the laboratory powder material monitoring device and comprises the following steps:
s1, firstly, placing the assembled powder concentration monitor 100 and a supporting part above a laboratory desktop experiment area;
s11, if the suspension group 300 is used as a supporting part, the monitoring position is adjusted by sliding the bearing frame 200 left and right on the bracket 310;
s12, if the bracket group 400 is used as a bracket part, the expansion space of the sliding rod 440 is lengthened by pulling the hanging rod 420 outwards;
s13, the pull rod base 430 is lowered to rotate the support rod piece 410 from a horizontal folded state to a vertical folded state, so as to raise the bearing frame 200;
s2, turning the powder concentration monitor 100 on the bearing frame 200 in the front-back direction, so that the monitoring probe of the powder concentration monitor faces the goaf for real-time monitoring.
It should be noted that the foregoing embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement the same, not to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (5)
1. Laboratory powder material monitoring device, including powder concentration monitor (100), its characterized in that: the powder concentration monitoring device further comprises a bearing frame (200) used for clamping the powder concentration monitor (100) and capable of adjusting a monitoring angle, wherein a supporting part for supporting the bearing frame (200) to be lifted off a tabletop is arranged below the bearing frame;
the bearing frame (200) comprises an instrument frame (210), a folding spring (220) for retracting the front end of the instrument frame (210) and a sleeve belt (230) for sleeving the rear end of the instrument frame (210); the instrument frame (210) consists of a pair of brackets (211) which are arranged at intervals, the sleeve belt (230) is sleeved with the powder concentration monitor (100), and a supporting column (2111) which is rotationally connected with the bearing frame (200) is arranged at the front end of the instrument frame (210) towards the outer side;
the supporting part is a suspension group (300), the suspension group (300) comprises an arc-shaped bracket (310), a sliding seat (320) which is in sliding connection with the bracket (310) and a locking pin (330) which is used for locking the sliding seat (320), and the sliding seat (320) is fixedly connected with the bottom surface of the front end of the bearing frame (200);
the supporting part is a pair of supporting groups (400), the supporting groups (400) comprise foldable and expandable supporting rod pieces (410), hanging rods (420) and rod bases (430) arranged at the upper end and the lower end of the supporting rod pieces (410) and sliding rods (440) spliced with the bearing frames (200); the other end of the sliding rod (440) is sleeved and matched with the suspender (420);
the bottom of the sliding seat (320) is arc-shaped, sliding holes (321) are formed in two ends of the sliding seat, the bracket (310) is inserted into the sliding holes (321), a lantern ring (322) is arranged in the middle of the bottom surface of the sliding seat (320), the lantern ring (322) is communicated with the sliding holes (321), the lock pin (330) is inserted into the lantern ring (322) and abuts against the inside of the sliding holes (321), a tension spring (331) is sleeved outside the lantern ring (322), and the upper end and the lower end of the tension spring (331) are respectively bonded with contact surfaces of the sliding seat (320) and the lock pin (330);
the bottom surface of the lock pin (330) is provided with a pull sleeve (332), two ends of the bottom surface of the sliding seat (320) are provided with fixing holes (323), bolts penetrate through the fixing holes (323) and are in threaded connection with the bottom surface of the bearing frame (200);
the supporting rod piece (410) is composed of a pair of upper connecting rods (411), a plurality of centering connecting rods (412) and a pair of lower connecting rods (413), each pair of upper connecting rods (411), each centering connecting rod (412) and each pair of lower connecting rods (413) are in crossed joint and are connected in a rotating mode, the upper connecting rods (411) and the lower connecting rods (413) are connected with a hanging rod (420) and a rod seat (430) in a clamping mode and can be connected in a sliding mode, connecting sleeves (424) sleeved with sliding rods (440) are arranged at the front ends of the hanging rod (420), inserting holes (202) are formed in two sides of the front end of a bearing frame (200) in a penetrating mode, limiting blocks (203) are arranged on two side walls of each front end of each inserting hole, limiting grooves (441) are formed in a center line of one side face of each sliding rod (440), and the limiting grooves (441) are connected with the limiting blocks (203) in a clamping mode in a sliding mode.
The middle part of the top surface of the suspender (420) is provided with a threaded collar (422), the interior of the suspender (420) and the rod seat (430) is of a cavity structure, the side surface of the suspender is provided with a waist-shaped groove (421), the threaded collar (422) is communicated with the cavity, the threaded collar (422) is internally connected with a threaded rod (423), and one side of the sliding rod (440) is provided with a clamping block (442) which is spliced with the connecting sleeve (424);
the lower end of the upper connecting rod (411) is internally provided with a rod groove (4111), the upper end of the middle connecting rod (412) is provided with a rotating rod (4121) which is clamped with the rod groove (4111) and can be rotatably connected with the rod groove, the lower end of the middle connecting rod (412) is internally provided with a rotating groove (4122), and the upper end of the lower connecting rod (413) is provided with a butt joint rod (4131).
2. The laboratory powder mass monitoring device of claim 1, wherein: the support (211) is L-shaped, the outer end of the front end bending section of the support is vertically folded upwards, the support column (2111) is adhered to the outer side of the upward bending section, the bearing frame (200) is of a U-shaped structure, concave holes (201) are symmetrically formed in the two inner sides of the bearing frame, and the support column (2111) is spliced with the concave holes (201) and can rotate.
3. The laboratory powder mass monitoring device of claim 2, wherein: the folding spring (220) is embedded at the inner side of the bending section of the bracket (211), and the sleeve belt (230) is made of an elastic belt and is connected with the cavity of the side surface of the rear end of the bracket (211) in a penetrating way.
4. A laboratory powder mass monitoring device as claimed in claim 3, wherein: the bottom end of the bracket (310) is provided with a strip-shaped supporting foot (311), and the supporting foot (311) points to the powder concentration monitor (100) and is equal to the bearing frame (200) in width.
5. A laboratory powder mass monitoring method comprising the laboratory powder mass monitoring device of claim 4, comprising the steps of:
s1, firstly, placing an assembled powder concentration monitor (100) and a supporting part above a laboratory desktop experiment area;
s11, if the suspension group (300) is used as a supporting part, the monitoring position is adjusted by sliding the bearing frame (200) left and right on the bracket (310);
s12, if the supporting group (400) is used as a supporting part, the expanding space of the sliding rod (440) is lengthened by pulling the hanging rod (420) outwards;
s13, the pull rod seat (430) is lowered again to rotate the support rod piece (410) to be unfolded from a horizontal folding state to a vertical folding state, so that the bearing frame (200) is raised;
s2, turning over the powder concentration monitor (100) on the bearing frame (200) in the front-back direction, so that a monitoring probe of the powder concentration monitor faces the goaf for real-time monitoring.
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| CN202311639903.XA CN117388140B (en) | 2023-12-04 | 2023-12-04 | Laboratory powder material monitoring method and monitoring device |
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| CN202311639903.XA CN117388140B (en) | 2023-12-04 | 2023-12-04 | Laboratory powder material monitoring method and monitoring device |
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