CN112985213A - Full-function measuring module for safety monitoring and use method thereof - Google Patents

Full-function measuring module for safety monitoring and use method thereof Download PDF

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Publication number
CN112985213A
CN112985213A CN202110071453.3A CN202110071453A CN112985213A CN 112985213 A CN112985213 A CN 112985213A CN 202110071453 A CN202110071453 A CN 202110071453A CN 112985213 A CN112985213 A CN 112985213A
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China
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fixed
full
safety monitoring
main scale
heater
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CN202110071453.3A
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Chinese (zh)
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支有冉
李果
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Nanjing Institute of Technology
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Nanjing Institute of Technology
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Priority to CN202110071453.3A priority Critical patent/CN112985213A/en
Publication of CN112985213A publication Critical patent/CN112985213A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

The invention discloses a full-function measuring module for safety monitoring and a using method thereof, and relates to the technical field of measuring and detecting rules. The measuring device comprises a main ruler, wherein a measuring part is fixed at one end of the lower end of the main ruler, a sliding groove is formed in the lower end of the interior of the main ruler, a sliding strip is connected to the interior of the sliding groove in a sliding mode, an auxiliary ruler is fixed at the lower end of the sliding strip, a driven meshing rack is fixed at the upper end of the sliding strip, a transmission turbine is rotatably connected to one end, far away from the measuring part, of the interior of the main ruler, and the transmission turbine is connected with the driven meshing rack. According to the invention, the stability of the device can be greatly improved through the matching of all accessories, errors caused by shaking during measurement can be effectively avoided, the detection process is simpler, the temperature of the surface of the main ruler can be improved by starting the heater, so that an operator can feel more comfortable when using the device in cold weather, and the button battery can be simply replaced by arranging the electronic fixing mechanism, so that great convenience is provided for the operator.

Description

Full-function measuring module for safety monitoring and use method thereof
Technical Field
The invention belongs to the technical field of measuring and detecting rules, and particularly relates to a full-function measuring module for safety monitoring and a using method thereof.
Background
Ruler is also known as chi, interval chi, be used for drawing the straight line, measure the instrument of length, the user measures and learns the size of object to the length that comes the object through the scale that reads on the ruler, but the stability of current device can be relatively poor, lead to the error because rock easily during the measurement, need detect the manual observation survey meter in the measurement process, the degree of difficulty is great, and operating personnel is comparatively uncomfortable when cold weather operative installations, and the degree of difficulty is great when changing button cell, bring very big inconvenience for operating personnel.
Disclosure of Invention
The invention aims to provide a full-function measuring module for safety monitoring and a using method thereof, which aim to solve the existing problems: the stability performance of the existing device is poor, errors are easily caused by shaking during measurement, a manual observation measuring meter needs to be detected in the measurement process, and the difficulty is high.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a full-function measuring module for safety monitoring, which comprises a main scale, wherein a measuring part is fixed at one end of the lower end of the main scale, a sliding groove is formed in the lower end of the inner part of the main scale, a sliding strip is connected in the sliding groove in a sliding manner, an auxiliary scale is fixed at the lower end of the sliding strip, a driven meshing rack is fixed at the upper end of the sliding strip, a transmission turbine is rotatably connected to one end, far away from the measuring part, of the inner part of the main scale, the transmission turbine is connected with the driven meshing rack in a meshing manner, two limiting brackets are fixed at one end of the upper end of the main scale, a rotating rod is rotatably connected to the middle position of the two limiting brackets, a transmission worm is fixed on the outer side of the rotating rod and positioned between the two;
the one end of vice chi is fixed with the main control system, one side that the one end of vice chi just is located the main control system is provided with electron fixed establishment, the one end that the slip strip is close to the measuring part is equipped with inductance type response strip, the upper end that the slip strip is close to measuring part one end is provided with the infrared radiation head, infrared radiation head and inductance type response strip all pass through wire electric connection with the main control system.
According to the full-function measuring module for safety monitoring, a heating cavity is formed in the main ruler, a heater is connected to one end of the main ruler through a screw, a heating wire is electrically connected to the output end of the heater and located in the heating cavity, a storage battery is fixed to one end of the main ruler and located on one side of the heater, and the storage battery is electrically connected with the heater through a conducting wire.
Further, a knob is fixed at one end of the rotating rod.
Further, the inside of spacing support is equipped with roller bearing, dwang and spacing support pass through roller bearing and rotate the connection.
Furthermore, the two sides of the main ruler and the auxiliary ruler are both provided with a measuring meter.
Further, the main control system comprises a main machine shell, a circuit board is assembled inside the main machine shell, a display screen is assembled at the front end of the main machine shell, and a plurality of control buttons are arranged at one side, located on the display screen, of the front end of the main machine shell.
Further, electron fixed establishment includes fixed shell, fixed shell's inside sliding connection has the division board, a plurality of return springs have been cup jointed to fixed shell's inside and lie in between division board and the vice chi, the one end that return spring was kept away from to the division board is provided with binding post, binding post and main control system pass through wire electric connection, fixed shell's one end is equipped with sealed apron, fixed shell's inside just lies in and installs button cell between sealed apron and the division board, button cell and binding post closely laminate.
Further, all sides of the sealing cover plate are fixed with a plurality of first connecting pieces, all sides of the fixed shell are fixed with a plurality of second connecting pieces which are matched with the first connecting pieces, one of the second connecting pieces is connected with a threaded rod in a rotating mode inside the first connecting pieces, one end of the threaded rod is fixed with a transmission cap head, one of the second connecting pieces is provided with a threaded hole inside the threaded rod, the threaded rod is in threaded connection with the threaded hole, the first connecting piece is close to one end of the second connecting piece and is fixed with a limiting round rod, the second connecting piece is provided with a limiting hole inside the limiting round rod, and the limiting round rod is connected to the limiting hole in an inserting mode.
Further, the transmission cap head is one of a cross-shaped groove cap head, a straight groove cap head and an inner hexagonal cap head.
A use method of a full-function measuring module for safety monitoring is used for the full-function measuring module for safety monitoring, and comprises the following steps:
s1: the storage battery electrically connected with the heater lead starts the heater to heat the main scale, so that the temperature of the surface of the main scale is increased;
s2: the auxiliary ruler is driven to move by rotating the knob, so that the distance between the auxiliary ruler and the measuring part is adjusted;
s3: after the detection is finished, an operator watches the numerical value displayed on the display screen;
s4: when the button battery is replaced, a wrench or a screwdriver is used for rotating the transmission cap head until the threaded rod is separated from the threaded hole;
s5: then, the sealing cover plate is held by hand to move until the limiting round rod is drawn out of the limiting hole, so that the sealing cover plate is separated from the fixed shell, and the button battery is popped out of the fixed shell;
s6: putting a new button battery into the fixed shell;
s7: the handheld sealing cover plate drives the limiting round rod to move, so that the limiting round rod is inserted into the limiting hole;
s8: and (3) rotating the transmission cap head by using a wrench or a screwdriver until the threaded rod completely enters the threaded hole, and resetting the sealing cover plate and the button battery.
The invention has the following beneficial effects:
1. according to the invention, the stability of the device can be greatly improved through the matching of all the accessories, errors caused by shaking during measurement are effectively avoided, and the detection process is simpler.
2. According to the invention, the temperature of the surface of the main ruler is raised by starting the heater, so that an operator can feel more comfortable when using the device in cold weather.
3. According to the invention, the button battery can be replaced more simply by arranging the electronic fixing mechanism, so that great convenience is provided for operators.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a full-function measurement module for safety monitoring according to the present invention;
FIG. 2 is a schematic view of an overall sectional structure of a full-function measurement module for safety monitoring according to the present invention;
FIG. 3 is a schematic diagram of a transmission structure of a full-function measurement module for safety monitoring according to the present invention;
FIG. 4 is a schematic view of a fully functional measurement module for safety monitoring shown in FIG. 3;
FIG. 5 is a schematic structural diagram of a control host of a full-function measurement module for safety monitoring according to the present invention;
FIG. 6 is a schematic structural view of an electronic fixing mechanism of a full-function measurement module for safety monitoring according to the present invention;
FIG. 7 is an exploded view of a fully functional measurement module electronic mounting mechanism for safety monitoring in accordance with the present invention;
FIG. 8 is a schematic structural view of a threaded rod of a full-function measuring module for safety monitoring according to the present invention;
fig. 9 is a schematic view of a partially cut-away structure of an electronic fixing mechanism of a full-function measuring module for safety monitoring according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a main scale; 2. a secondary ruler; 3. a measuring section; 4. a chute; 5. a slide bar; 6. a driven rack; 7. a storage battery; 8. a heater; 9. a drive turbine; 10. a limiting bracket; 11. a drive worm; 12. rotating the rod; 13. a knob; 14. a heating cavity; 15. heating wires; 16. a control host; 17. an electronic fixing mechanism; 18. an inductive sensor strip; 19. an infrared radiation head; 20. a host housing; 21. a display screen; 22. a control button; 23. fixing the housing; 24. sealing the cover plate; 25. a first connecting member; 26. a second connecting member; 27. a driving cap head; 28. a threaded rod; 29. a limiting round rod; 30. a limiting hole; 31. a threaded hole; 32. a partition plate; 33. a return spring; 34. a wiring terminal; 35. a button cell.
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.
The first embodiment is as follows:
referring to fig. 1-9, the invention relates to a full-function measuring module for safety monitoring, which comprises a main ruler 1, wherein a measuring part 3 is fixed at one end of the lower end of the main ruler 1, a sliding groove 4 is formed in the lower end of the inside of the main ruler 1, a sliding strip 5 is connected in the sliding groove 4 in a sliding manner, an auxiliary ruler 2 is fixed at the lower end of the sliding strip 5, a driven rack gear 6 is fixed at the upper end of the sliding strip 5, a transmission turbine 9 is rotatably connected at one end of the inside of the main ruler 1, which is far away from the measuring part 3, the transmission turbine 9 is connected with the driven rack gear 6 in a meshing manner, two limiting brackets 10 are fixed at one end of the upper end of the main ruler 1, a rotating rod 12 is rotatably connected at the middle position of the two limiting brackets 10, a transmission worm 11 is fixed at the outer side of the rotating;
here, a knob 13 is fixed to one end of the rotating rod 12, so that the rotating rod 12 can be more conveniently rotated by providing the knob 13;
specifically, a roller bearing is assembled inside the limiting bracket 10, and the rotating rod 12 is rotatably connected with the limiting bracket 10 through the roller bearing;
in detail, measuring meters are arranged on two sides of the main ruler 1 and the auxiliary ruler 2;
furthermore, a control host 16 is fixed at one end of the auxiliary ruler 2, an electronic fixing mechanism 17 is arranged at one end of the auxiliary ruler 2 and on one side of the control host 16, an inductive sensing strip 18 is assembled at one end of the sliding strip 5 close to the measuring part 3, an infrared radiation head 19 is arranged at the upper end of the sliding strip 5 close to the measuring part 3, and the infrared radiation head 19 and the inductive sensing strip 18 are both electrically connected with the control host 16 through conducting wires;
the control host 16 comprises a host shell 20, a circuit board is assembled in the host shell 20, a display screen 21 is assembled at the front end of the host shell 20, and a plurality of control buttons 22 are arranged at the front end of the host shell 20 and positioned at one side of the display screen 21;
the electronic fixing mechanism 17 comprises a fixing shell 23, a partition plate 32 is connected to the inside of the fixing shell 23 in a sliding manner, a plurality of return springs 33 are sleeved inside the fixing shell 23 and located between the partition plate 32 and the auxiliary ruler 2, a connecting terminal 34 is arranged at one end, far away from the return springs 33, of the partition plate 32, the connecting terminal 34 is electrically connected with the control host 16 through a conducting wire, a sealing cover plate 24 is assembled at one end of the fixing shell 23, a button battery 35 is installed inside the fixing shell 23 and located between the sealing cover plate 24 and the partition plate 32, and the button battery 35 is tightly attached to the connecting terminal 34;
in detail, a plurality of first connecting pieces 25 are fixed on the peripheral side of the sealing cover plate 24, a plurality of second connecting pieces 26 adapted to the first connecting pieces 25 are fixed on the peripheral side of the fixed shell 23, wherein a threaded rod 28 is rotatably connected inside one of the first connecting pieces 25, a transmission cap 27 is fixed at one end of the threaded rod 28, a threaded hole 31 is formed inside one of the threaded rods 28, the threaded rod 28 is in threaded connection with the threaded hole 31, a limiting round rod 29 is fixed at one end of the other first connecting piece 25 close to the second connecting piece 26, a limiting hole 30 is formed inside the other second connecting piece 26, and the limiting round rod 29 is inserted into the limiting hole 30;
specifically, the transmission cap head 27 is one of a cross-slot cap head, a straight-slot cap head and an inner hexagonal cap head;
furthermore, a heating cavity 14 is formed in the main scale 1, heating liquid is arranged in the heating cavity 14, a heater 8 is connected to one end of the main scale 1 through a screw, and a heating wire 15 is electrically connected to the output end of the heater 8 and the heating cavity 14;
here, a battery 7 is fixed to one end of the main scale 1 on the side of the heater 8, and the battery 7 and the heater 8 are electrically connected by a lead wire.
Example two:
on the basis of the first embodiment, the application method of the full-function measurement module for safety monitoring is disclosed, and the steps are as follows:
the first step is as follows: the heater 8 is started through the storage battery 7 electrically connected with the heater 8 through a lead, the heater 8 can rapidly heat the heating wire 15 after being started to heat the heating liquid in the heating cavity 14, in the heating process, the heat energy in the heating cavity 14 can be transmitted to the main scale 1 to heat the main scale 1, so that the surface temperature of the main scale 1 is increased, and an operator can feel more comfortable when using the device in cold weather;
the second step is that: the drive worm 11 is driven to rotate by rotating the knob 13, because the drive worm wheel 9 is meshed with the drive worm 11, the drive worm 11 drives the drive worm wheel 9 to rotate when rotating, and because the transmission turbine 9 is connected with the driven meshing rack 6 through meshing, the driven meshing rack 6 can only slide along the direction of the sliding chute 4 under the limitation of the sliding strip 5, when the transmission turbine 9 rotates, the driven meshing rack 6 drives the sliding strip 5 to slide in the sliding chute 4, when the sliding strip 5 moves, the auxiliary ruler 2 is driven to move together, thereby adjusting the distance between the auxiliary ruler 2 and the measuring part 3, the transmission worm 11 limits the transmission worm wheel 9 after the sliding is stopped, the auxiliary ruler 2 is fixed by the driven meshing rack 6 after the transmission worm wheel 9 stops rotating, therefore, the stability of the device is greatly improved, and errors caused by shaking during measurement are effectively avoided;
the third step: when the inductive sensor strip 18 contacts with an object to be detected, the control host 16 is started, the control host 16 starts the infrared radiation head 19 after being started, infrared rays are radiated to detect the distance between the measuring part 3 and the auxiliary ruler 2, and after the detection is finished, an operator can know the distance between the measuring part 3 and the auxiliary ruler 2 by watching the numerical value displayed on the display screen 21;
the fourth step: when the button battery 35 is replaced, the transmission cap head 27 is rotated by using a wrench or a screwdriver, the transmission cap head 27 can drive the threaded rod 28 to rotate together when rotating, and because the threaded rod 28 is in threaded connection with the threaded hole 31, the threaded rod 28 can move in the threaded hole 31 when rotating until the threaded rod 28 is separated from the threaded hole 31;
the fifth step: then the sealing cover plate 24 is held by hand to move, the limiting round rod 29 is driven to move in the limiting hole 30 when the sealing cover plate 24 moves until the limiting round rod 29 is drawn out of the limiting hole 30, the sealing cover plate 24 is separated from the fixed shell 23, after the force of the button battery 35 pressed by the sealing cover plate 24 disappears, the separation plate 32 moves towards the direction far away from the auxiliary ruler 2 under the force of the return spring 33, the button battery 35 is ejected out of the fixed shell 23 when the separation plate 32 moves, and therefore the button battery 35 can be detached easily;
and a sixth step: placing a new button cell 35 inside the fixed casing 23;
the seventh step: the handheld sealing cover plate 24 drives the limiting round rod 29 to move, so that the limiting round rod 29 is inserted into the limiting hole 30;
eighth step: the driving cap head 27 is rotated by a wrench or a screwdriver, the driving cap head 27 can drive the threaded rod 28 to rotate together when rotating, and because the threaded rod 28 is in threaded connection with the threaded hole 31, the threaded rod 28 can move in the threaded hole 31 until the threaded rod 28 completely enters the threaded hole 31 when rotating, and the sealing cover plate 24 and the button battery 35 are reset.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides a full-function measuring module for safety monitoring, includes main scale (1), its characterized in that, the one end of main scale (1) lower extreme is fixed with measuring part (3), spout (4) have been seted up to the inside lower extreme of main scale (1), the inside sliding connection of spout (4) has sliding strip (5), the lower extreme of sliding strip (5) is fixed with vice chi (2), the upper end of sliding strip (5) is fixed with driven rack (6), the one end of main scale (1) inside keeping away from measuring part (3) rotates and is connected with drive turbine (9), just drive turbine (9) and driven rack (6) are connected through the meshing, one end of main scale (1) upper end is fixed with two spacing supports (10), two the intermediate position of spacing support (10) rotates and is connected with dwang (12), the outside of dwang (12) just is located and is fixed with worm drive worm (11) between two spacing supports (10), the transmission worm (11) is connected with the transmission turbine (9) through meshing;
one end of vice chi (2) is fixed with main control system (16), one side that the one end of vice chi (2) just is located main control system (16) is provided with electron fixed establishment (17), the one end that slide bar (5) are close to measuring portion (3) is equipped with inductance type response strip (18), the upper end that slide bar (5) are close to measuring portion (3) one end is provided with infrared radiation head (19), infrared radiation head (19) and inductance type response strip (18) all pass through wire electric connection with main control system (16).
2. The full-function measuring module for safety monitoring according to claim 1, wherein a heating cavity (14) is formed in the main scale (1), a heater (8) is screwed to one end of the main scale (1), a heating wire (15) is electrically connected to the output end of the heater (8) and the heating cavity (14), a storage battery (7) is fixed to one end of the main scale (1) and one side of the heater (8), and the storage battery (7) and the heater (8) are electrically connected through a conducting wire.
3. The full-function measuring module for safety monitoring according to claim 1, wherein a knob (13) is fixed to one end of the rotating rod (12).
4. The full-function measuring module for safety monitoring according to claim 1, wherein the limiting bracket (10) is internally equipped with a roller bearing, and the rotating rod (12) and the limiting bracket (10) are rotatably connected through the roller bearing.
5. The full-function measuring module for safety monitoring as claimed in claim 1, wherein the measuring meters are arranged on both sides of the main ruler (1) and the auxiliary ruler (2).
6. The full-function measurement module for safety monitoring according to claim 1, wherein the control host (16) comprises a host housing (20), a circuit board is assembled inside the host housing (20), a display screen (21) is assembled at the front end of the host housing (20), and a plurality of control buttons (22) are arranged at one side of the display screen (21) and at the front end of the host housing (20).
7. The full-function measurement module for safety monitoring according to claim 1, the electronic fixing mechanism (17) comprises a fixed shell (23), a partition plate (32) is connected in the fixed shell (23) in a sliding manner, a plurality of return springs (33) are sleeved in the fixed shell (23) and positioned between the partition plate (32) and the auxiliary ruler (2), one end of the separation plate (32) far away from the return spring (33) is provided with a wiring terminal (34), the connecting terminal (34) is electrically connected with the control host (16) through a lead, the one end of fixed shell (23) is equipped with sealed apron (24), the inside of fixed shell (23) just is located and installs button cell (35) between sealed apron (24) and division board (32), button cell (35) and binding post (34) closely laminate.
8. The full-function measuring module for safety monitoring according to claim 7, wherein a plurality of first connecting pieces (25) are fixed on the peripheral side of the sealing cover plate (24), a plurality of second connecting pieces (26) adapted to the first connecting pieces (25) are fixed on the peripheral side of the fixed housing (23), one of the first connecting pieces (25) is rotatably connected with a threaded rod (28), one end of the threaded rod (28) is fixed with a transmission cap head (27), one of the threaded rods (28) is internally provided with a threaded hole (31), the threaded rod (28) is in threaded connection with the threaded hole (31), the other end of the first connecting piece (25) close to the second connecting piece (26) is fixed with a limiting round rod (29), and the other end of the second connecting piece (26) is internally provided with a limiting hole (30), the limiting round rod (29) is inserted in the limiting hole (30).
9. The full-function measuring module for safety monitoring as claimed in claim 8, wherein the driving cap (27) is one of a cross-slot cap, a straight-slot cap and a hexagon socket cap.
10. A method for using a full-function measurement module for safety monitoring, which is used for the full-function measurement module for safety monitoring as claimed in any one of claims 1-9, and is characterized by the following steps;
s1: the heater (8) is started through a storage battery (7) which is electrically connected with the heater (8) through a lead, the main scale (1) is heated, and the temperature of the surface of the main scale (1) is increased;
s2: the auxiliary ruler (2) is driven to move by rotating the knob (13), so that the distance between the auxiliary ruler (2) and the measuring part (3) is adjusted;
s3: after the detection is finished, an operator watches the numerical value displayed on the display screen (21);
s4: when the button battery (35) is replaced, a wrench or a screwdriver is used for rotating the transmission cap head (27) until the threaded rod (28) is separated from the threaded hole (31);
s5: then the sealing cover plate (24) is held by hand to move until the limiting round rod (29) is drawn out from the limiting hole (30), so that the sealing cover plate (24) is separated from the fixed shell (23), and the button battery (35) is ejected out from the fixed shell (23);
s6: placing a new button cell (35) inside the fixed shell (23);
s7: the handheld sealing cover plate (24) drives the limiting round rod (29) to move, so that the limiting round rod (29) is inserted into the limiting hole (30);
s8: the driving cap head (27) is rotated by a spanner or a screwdriver until the threaded rod (28) completely enters the threaded hole (31), and the sealing cover plate (24) and the button battery (35) are reset.
CN202110071453.3A 2021-01-19 2021-01-19 Full-function measuring module for safety monitoring and use method thereof Pending CN112985213A (en)

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CN202110071453.3A CN112985213A (en) 2021-01-19 2021-01-19 Full-function measuring module for safety monitoring and use method thereof

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CN1869580A (en) * 2006-02-27 2006-11-29 吴大卫 High protection mechanical rule with meter
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116106500A (en) * 2023-04-12 2023-05-12 河北沧美园林绿化工程有限公司 COD detection equipment for agriculture and forestry water system detection
CN116106500B (en) * 2023-04-12 2023-07-04 河北沧美园林绿化工程有限公司 COD detection equipment for agriculture and forestry water system detection

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