CN110672456A - High-precision weighing device for test box - Google Patents
High-precision weighing device for test box Download PDFInfo
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- CN110672456A CN110672456A CN201911111107.2A CN201911111107A CN110672456A CN 110672456 A CN110672456 A CN 110672456A CN 201911111107 A CN201911111107 A CN 201911111107A CN 110672456 A CN110672456 A CN 110672456A
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- cabin
- movable rod
- connecting shell
- high precision
- precision weighing
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- 238000005303 weighing Methods 0.000 title claims abstract description 43
- 238000012360 testing method Methods 0.000 title claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000003570 air Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005250 beta ray Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Handcart (AREA)
Abstract
The invention discloses a high-precision weighing device for a test box, which comprises a bottom plate, wherein a guide pulley matched with a guide slide rail is fixedly arranged on the lower surface of each supporting leg, a connecting plate is fixedly arranged on the outer sides of the two supporting legs on the right side together, a connecting shell is fixedly arranged on one side of the connecting plate, two limiting holes are formed in the outer side of the connecting shell, a movable rod connected with a shock absorption seat is arranged in the connecting shell, a mounting groove is formed in the outer side of the movable rod, a reset spring is fixedly arranged on the inner side of the mounting groove, and one end of the reset spring is fixedly connected with a lug corresponding to the limiting hole. The invention is provided with the connecting shell and the movable rod, realizes the adjustment of the total length of the connecting shell and the movable rod by controlling the position relation of the convex block and the limiting hole, achieves the effect of fixing the distance between the accessory cabin and the weighing cabin, does not cause the accessory cabin and the weighing cabin to clamp the arms of a user, and has higher safety.
Description
Technical Field
The invention relates to the technical field of ambient air and fixed pollution source particulate matter detection weighing equipment, in particular to a high-precision weighing device for a test chamber.
Background
Along with the frequent appearance of sand storm and haze weather, the air pollution problem is more and more paid attention to by people. The detection of air quality is also particularly important, and the monitoring, analysis and research of particulate matters in the air are the key points of the current environmental protection work. The monitoring methods commonly used at present include a light transmission method, a laser backscattering method, a charge method, a beta ray absorption method, a filtration weighing method and the like. The filtering and weighing method is the most widely used method at present, and the basic principle is that dust-containing gas with a certain volume passes through a filter membrane with known weight, dust particles in the flue gas are retained, and the dust-containing concentration is calculated according to the weight difference of the filter membrane before and after sampling and the sampling volume.
The Chinese patent application CN201820176106.0 discloses a shock-insulation type constant-temperature and constant-humidity weighing device, wherein a box body is divided into a left part and a right part which are connected through a soft sealing sleeve to form an accessory cabin and a weighing cabin; an air inlet is formed in the accessory cabin, one end of the air inlet is connected with the filter, and the other end of the air inlet is connected with the constant-temperature constant-humidity air conditioner; the bottom of the weighing cabin is a weighing platform, a weighing balance is arranged on the weighing platform, and a damping seat is arranged below the weighing platform. Although the accessory cabin and the weighing cabin are arranged separately and are connected and sealed through the soft sealing sleeve, the constant-temperature and constant-humidity environment of the weighing element is ensured, and the influence of vibration caused by instrument operation, personnel operation and the like on the weighing element is avoided. The cost is lower, is fit for the enterprise and detects the unit and uses, but soft seal cover takes place deformation easily, leads to accessory cabin and the cabin of weighing to press from both sides the arm that hinders the user, and the security is relatively poor. To this end, a high-precision weighing device for test chambers is proposed.
Disclosure of Invention
The invention aims to provide a high-precision weighing device for a test chamber, and solves the problems that the soft sealing sleeve is easy to deform, so that an arm of a user is injured by a clamp of an accessory cabin and a weighing cabin, and the safety is poor.
In order to achieve the purpose, the invention provides the following technical scheme: a high-precision weighing device for a test box comprises a bottom plate, wherein a shock absorption seat and two guide slide rails are respectively arranged in the middle of the upper surface of the bottom plate, a weighing cabin is fixedly arranged on the upper surface of the shock absorption seat, a soft sealing sleeve is fixedly connected to one side of the weighing cabin, an accessory cabin is fixedly connected to one side of the soft sealing sleeve, four support legs are uniformly and fixedly arranged on the lower surface of the accessory cabin, a guide pulley matched with the guide slide rails is fixedly arranged on the lower surface of each support leg, a connecting plate is fixedly arranged on the outer sides of the two support legs on the right side, a connecting shell is fixedly arranged on one side of the connecting plate, two limiting holes are formed in the outer side of the connecting shell, a movable rod connected with the shock absorption seat is arranged in the connecting shell, a mounting groove is formed in the outer side of the movable rod, one end of the reset spring is fixedly connected with a lug corresponding to the limiting hole.
Preferably, the front surface of the accessory compartment is hinged with an opening and closing door, and the front surface of the opening and closing door is provided with a door handle.
Preferably, the inner side of the connecting shell is provided with a limiting groove, and the outer side of the movable rod is fixedly provided with a limiting block matched with the limiting groove.
Preferably, four mounting through holes, every have evenly been seted up to the upper surface outside of bottom plate the inboard of mounting through hole all is provided with the threaded rod, the upper end fixedly connected with operation hand wheel of threaded rod, just the outside threaded connection of threaded rod has the screwed pipe, the lower extreme fixed mounting of screwed pipe has the heel brace.
Preferably, the threaded pipe is matched with the installation through hole, and the threaded pipe is of a rectangular structure.
Preferably, four walking wheels are uniformly and fixedly mounted on the lower surface of the bottom plate, and each walking wheel is located on the inner side of each mounting through hole.
Preferably, the upper end of the lug is of an arc structure, and the movable rod and the limiting block are of an integrally formed structure.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is provided with the connecting shell and the movable rod, realizes the adjustment of the total length of the connecting shell and the movable rod by controlling the position relation of the convex block and the limiting hole, achieves the effect of fixing the distance between the accessory cabin and the weighing cabin, does not cause the accessory cabin and the weighing cabin to clamp the arms of a user, and has higher safety.
2. According to the invention, the threaded rod is driven to rotate by rotating the operating hand wheel, and the threaded pipe at the outer side drives the foot supports to move downwards under the action of the mounting through holes, so that the bottom plate can be stably placed and is suitable for uneven ground.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection of the connecting housing and the movable rod of the present invention;
FIG. 3 is an enlarged view of part A of the present invention.
In the figure: 1. a movable rod; 2. connecting the shell; 3. a guide slide rail; 4. a foot support; 5. a base plate; 6. a traveling wheel; 7. a guide pulley; 8. a support leg; 9. a connecting plate; 10. opening and closing the door; 11. an accessory compartment; 12. a door handle; 13. a soft sealing sleeve; 14. a weighing compartment; 15. a shock absorbing seat; 16. a return spring; 17. a bump; 18. mounting grooves; 19. a limiting hole; 20. a limiting block; 21. a limiting groove; 22. operating a hand wheel; 23. a threaded rod; 24. mounting a through hole; 25. a threaded pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-3, a high-precision weighing device for a test chamber comprises a bottom plate 5, a shock-absorbing seat 15 and two guide slide rails 3 are respectively arranged at the middle part of the upper surface of the bottom plate 5, a weighing cabin 14 is fixedly arranged on the upper surface of the shock-absorbing seat 15, a soft sealing sleeve 13 is fixedly connected to one side of the weighing cabin 14, an accessory cabin 11 is fixedly connected to one side of the soft sealing sleeve 13, four support legs 8 are uniformly and fixedly arranged on the lower surface of the accessory cabin 11, a guide pulley 7 matched with the guide slide rails 3 is fixedly arranged on the lower surface of each support leg 8, a connecting plate 9 is fixedly arranged on the outer sides of the two support legs 8 on the right side together, a connecting shell 2 is fixedly arranged on one side of the connecting plate 9, two limit holes 19 are arranged on the outer side of the connecting shell 2, a movable rod 1 connected with the shock-absorbing seat, a return spring 16 is fixedly mounted on the inner side of the mounting groove 18, and one end of the return spring 16 is fixedly connected with a convex block 17 corresponding to the limiting hole 19.
Referring to fig. 1, an opening and closing door 10 is hinged to a front surface of an accessory compartment 11, a door handle 12 is disposed on the front surface of the opening and closing door 10, and the door handle 12 is used to facilitate opening of the opening and closing door 10 for operating internal devices.
Referring to fig. 2, a limiting groove 21 is formed on the inner side of the connecting housing 2, and a limiting block 20 matched with the limiting groove 21 is fixedly installed on the outer side of the movable rod 1 to prevent the movable rod 1 from being separated from the inside of the connecting housing 2.
Referring to fig. 3, four mounting through holes 24 are uniformly formed in the outer side of the upper surface of the bottom plate 5, a threaded rod 23 is arranged in each mounting through hole 24, an operating hand wheel 22 is fixedly connected to the upper end of each threaded rod 23, a threaded pipe 25 is connected to the outer side of each threaded rod 23 through threads, and a foot support 4 is fixedly mounted at the lower end of each threaded pipe 25, so that the bottom plate 5 can be stably placed.
Referring to fig. 3, the threaded pipe 25 is matched with the installation through hole 24, and the threaded pipe 25 is rectangular.
Referring to fig. 1, four walking wheels 6 are uniformly and fixedly mounted on the lower surface of the bottom plate 5, and each walking wheel 6 is located on the inner side of the mounting through hole 24, so that the device is convenient to move.
Referring to fig. 2, the upper end of the protrusion 17 is an arc structure, and the movable rod 1 and the limiting block 20 are integrally formed, so that the movable rod 1 and the limiting block 20 are firmly connected.
The working principle is as follows: during the use, at first heel brace 4 according to the condition adjustment on ground corresponds, make bottom plate 5 prevent steadily, utilize operation hand wheel 22 to rotate threaded rod 23, the screwed pipe 25 that drives the outside is at the inside downstream of installation through-hole 24, make heel brace 4 and ground contact firm, then stimulate accessory cabin 11, make soft seal cover 13 expand completely, the movable rod 1 this moment, the total length of connecting housing 2 is stretched to the longest, lug 17 of being connected with movable rod 1 is under reset spring 16's elastic force effect, lug 17 card is gone into inside the spacing hole 19 that connecting housing 2 seted up, fix the distance between accessory cabin 11 and the cabin 14 of weighing, prevent that accessory cabin 11 and the cabin 14 of weighing from pressing from both sides impaired user's arm.
The control mode of the present application is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming by those skilled in the art, and the present application is common knowledge in the field, and the present application mainly protects the mechanical device, so the control mode and the circuit connection are not explained in detail in the present application.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high accuracy weighing device for proof box, includes bottom plate (5), its characterized in that: the middle part of the upper surface of the bottom plate (5) is respectively provided with a shock absorption seat (15) and two guide slide rails (3), the upper surface of the shock absorption seat (15) is fixedly provided with a weighing cabin (14), one side of the weighing cabin (14) is fixedly connected with a soft sealing sleeve (13), one side of the soft sealing sleeve (13) is fixedly connected with an accessory cabin (11), the lower surface of the accessory cabin (11) is uniformly and fixedly provided with four support legs (8), the lower surface of each support leg (8) is fixedly provided with a guide pulley (7) matched with the guide slide rails (3), the outer sides of the two support legs (8) positioned on the right side are jointly and fixedly provided with a connecting plate (9), one side of the connecting plate (9) is fixedly provided with a connecting shell (2), the outer side of the connecting shell (2) is provided with two limiting holes (19), and the inside of the connecting shell (2) is provided with a movable rod (1), mounting groove (18) have been seted up in the outside of movable rod (1), the inboard fixed mounting of mounting groove (18) has reset spring (16), the one end fixedly connected with of reset spring (16) and spacing hole (19) corresponding lug (17).
2. A high precision weighing apparatus for a test chamber as claimed in claim 1, wherein: the front surface of the accessory cabin (11) is hinged with an opening and closing door (10), and the front surface of the opening and closing door (10) is provided with a door handle (12).
3. A high precision weighing apparatus for a test chamber as claimed in claim 1, wherein: limiting grooves (21) are formed in the inner side of the connecting shell (2), and limiting blocks (20) matched with the limiting grooves (21) are fixedly mounted on the outer sides of the movable rods (1).
4. A high precision weighing apparatus for a test chamber as claimed in claim 1, wherein: four mounting hole (24), every have evenly been seted up to the upper surface outside of bottom plate (5) the inboard of mounting hole (24) all is provided with threaded rod (23), the upper end fixedly connected with operation hand wheel (22) of threaded rod (23), just the outside threaded connection of threaded rod (23) has screwed pipe (25), the lower extreme fixed mounting of screwed pipe (25) has heel brace (4).
5. A high precision weighing apparatus for test chambers as claimed in claim 4, wherein: the threaded pipe (25) is matched with the installation through hole (24), and the threaded pipe (25) is of a rectangular structure.
6. A high precision weighing apparatus for a test chamber as claimed in claim 5, wherein: the lower surface of bottom plate (5) is even fixed mounting has four walking wheels (6), every walking wheel (6) all are located the inboard of installation through-hole (24).
7. A high precision weighing apparatus for a test chamber as claimed in claim 3, wherein: the upper end of the convex block (17) is of an arc-shaped structure, and the movable rod (1) and the limiting block (20) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111107.2A CN110672456A (en) | 2019-11-14 | 2019-11-14 | High-precision weighing device for test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111107.2A CN110672456A (en) | 2019-11-14 | 2019-11-14 | High-precision weighing device for test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110672456A true CN110672456A (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911111107.2A Pending CN110672456A (en) | 2019-11-14 | 2019-11-14 | High-precision weighing device for test box |
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| Country | Link |
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| CN (1) | CN110672456A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616308A (en) * | 2013-11-26 | 2014-03-05 | 江苏苏净集团有限公司 | Balancing and weighing device for particle filtering membrane |
| CN107370974A (en) * | 2017-08-07 | 2017-11-21 | 钟曹辉 | A kind of intelligent television frame of adjustable TV suspension height |
| CN108387304A (en) * | 2018-02-01 | 2018-08-10 | 青岛众瑞智能仪器有限公司 | A kind of iolation type constant temperature and humidity weighing device |
| CN108453699A (en) * | 2018-05-28 | 2018-08-28 | 芜湖盛创新材料科技有限公司 | A kind of transfer robot transporting different cargo sizes |
| CN207964534U (en) * | 2018-02-01 | 2018-10-12 | 青岛众瑞智能仪器有限公司 | A kind of iolation type constant temperature and humidity weight box |
| CN211318081U (en) * | 2019-11-14 | 2020-08-21 | 苏州康莱拓工业设备有限公司 | High-precision weighing device for test box |
-
2019
- 2019-11-14 CN CN201911111107.2A patent/CN110672456A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616308A (en) * | 2013-11-26 | 2014-03-05 | 江苏苏净集团有限公司 | Balancing and weighing device for particle filtering membrane |
| CN107370974A (en) * | 2017-08-07 | 2017-11-21 | 钟曹辉 | A kind of intelligent television frame of adjustable TV suspension height |
| CN108387304A (en) * | 2018-02-01 | 2018-08-10 | 青岛众瑞智能仪器有限公司 | A kind of iolation type constant temperature and humidity weighing device |
| CN207964534U (en) * | 2018-02-01 | 2018-10-12 | 青岛众瑞智能仪器有限公司 | A kind of iolation type constant temperature and humidity weight box |
| CN108453699A (en) * | 2018-05-28 | 2018-08-28 | 芜湖盛创新材料科技有限公司 | A kind of transfer robot transporting different cargo sizes |
| CN211318081U (en) * | 2019-11-14 | 2020-08-21 | 苏州康莱拓工业设备有限公司 | High-precision weighing device for test box |
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