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CN109540276A - A kind of steam box food materials Weight-measuring device - Google Patents

A kind of steam box food materials Weight-measuring device Download PDF

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Publication number
CN109540276A
CN109540276A CN201710861351.5A CN201710861351A CN109540276A CN 109540276 A CN109540276 A CN 109540276A CN 201710861351 A CN201710861351 A CN 201710861351A CN 109540276 A CN109540276 A CN 109540276A
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CN
China
Prior art keywords
steam box
shaft part
food materials
pallet
measuring device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710861351.5A
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Chinese (zh)
Other versions
CN109540276B (en
Inventor
黄峰
王伟
方献良
茅忠群
诸永定
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
Original Assignee
Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN201710861351.5A priority Critical patent/CN109540276B/en
Publication of CN109540276A publication Critical patent/CN109540276A/en
Application granted granted Critical
Publication of CN109540276B publication Critical patent/CN109540276B/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/52Weighing apparatus combined with other objects, e.g. furniture
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/04Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G3/00Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/04Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
    • A47J2027/043Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Electric Ovens (AREA)

Abstract

A kind of steam box food materials Weight-measuring device, it include the pallet that can hold food materials, it is characterized by: the measuring device further includes having shaft part and elastic component, the shaft part includes power end and resistance end, the pallet is movably connected in the power end of the shaft part, and the pallet is horizontal always to be vacantly set in steam box liner;The elastic component has a free end, and the free end of the elastic component is movably connected in the resistance end of the shaft part;The shaft part further includes having balance fulcrum, and the torque of pulling force suffered by the power end of the shaft part to balance fulcrum is equal with the torque of pulling force to balance fulcrum suffered by the resistance end of the shaft part always.It is an advantage of the current invention that detecting the food materials weight being put into pallet by principle of moment balance, structure is simple, avoids ensure that the measurement accuracy of food materials weight and steam box cook effect there are gap between steam box chassis and steam box shell.

Description

A kind of steam box food materials Weight-measuring device
Technical field
The present invention relates to a kind of steam box of culinary art, especially a kind of steam box food materials Weight-measuring device.
Background technique
Intelligent, integrated, the humanized new trend for having become machine for kitchen use intelligent development, especially intelligent menu go out It is existing, people can be helped to save the cumbersome link constantly groped and attempted required for making good dish together, even culinary art new hand Also health delicious vegetable can rapidly be cooked.
Currently, intelligent menu is chiefly used in steam box, the steam box of this band intelligence menu is according to the weight of food materials mostly come really Surely the time cooked, therefore the measurement of food materials weight is the necessary links of intelligent culinary art.Common steam box is usually without food materials The measurement of weight test function, food materials weight mainly uses electronic balance, measures manually before cooking, this measurement Mode can not only increase the cost for additionally purchasing electronic scale, but also alternative food materials weight options in intelligent menu to user It is limited, the food materials weight for be easy to causeing user to be prepared it is corresponding with the weight options in intelligent menu not on, thus will cause food The waste of material, or influence the last culinary art effect of food materials.
In order to accurately obtain the temperature and time for needing to cook, guarantee culinary art effect, in the prior art just like patent Number such technical solution is disclosed for a kind of Chinese utility model " steam box of structure novel " of ZL201420607509: steaming The pressure sensor that detectable weight support frame is arranged in case can detecte the weight of food after food is put on bracket.It is above-mentioned Patent directly measures the weight of food materials using weight sensor, and this measurement method makes between the chassis of steam box and steam box shell It is inevitable be not it is connected, the gap between chassis and steam box can be such that water or steam in steam box flows into, and influence weight sensor Performance causes measurement inaccurate.Therefore, the steaming box structure of existing measurable food weight needs to make and further change Into.
Summary of the invention
It is simple the technical problem to be solved by the present invention is to provide a kind of realization structure for above-mentioned state of the art And it can effectively ensure that the steam box food materials Weight-measuring device of measurement accuracy.
The technical scheme of the invention to solve the technical problem is: a kind of steam box food materials Weight-measuring device, packet Include the pallet that can hold food materials, it is characterised in that: the measuring device further includes having shaft part and elastic component, the shaft Part includes power end and resistance end, and the pallet is movably connected in the power end of the shaft part, also, the pallet Always horizontal to be vacantly set in steam box liner;The elastic component has a free end, and the free end of the elastic component can live It is connected to the resistance end of the shaft part dynamicly;The shaft part further includes having balance fulcrum, the power end institute of the shaft part Torque by pulling force to balance fulcrum is equal with the torque of pulling force to balance fulcrum suffered by the resistance end of the shaft part always.
In view of steam box liner space is limited, in order to facilitate the installation of, preferably, the shaft part includes to be fixed as Tray arm, spindle rod and the elasticity arm of one, the spindle rod are rotatably set on the side wall of steam box liner, the pallet It is connected to the movable end of the tray arm, the movable end of the tray arm is the power end of the shaft part, the elastic component Free end is connected to the movable end of the elasticity arm, and the movable end of the elasticity arm is the resistance end of the shaft part, the master Angular transducer is additionally provided on shaft.The shaft part is realized to eating on pallet using lever principle using fixed link mechanism The measurement of material weight, simple and compact for structure, no setting is required on steam box chassis gap, avoids making using weight sensor in the prior art At the problem of measurement inaccuracy, measurement accuracy is effectively improved.
In order to guarantee the Positive rotational of spindle rod, the detection sensitivity of spindle rod rotational angle is improved, preferably, described Tray arm, spindle rod and elasticity arm are respectively positioned in same plane, and the tray arm and elasticity arm are respectively perpendicular to the spindle rod Setting, the tray arm and elasticity arm are located at the both ends of the spindle rod and extend in opposite direction.Then, it holds in the palm Disk arm, spindle rod and elasticity arm form approximation " Z " character form structure, centered on spindle rod, in tray arm and elasticity arm two End form equalising torque, in the same plane due to tray arm, spindle rod and elasticity arm three, as long as tray arm movable end have by Power, spindle rod just have certain rotational angle, and influence the pulling force of elasticity arm movable end, and the pulling force of elasticity arm movable end can be with Known by elastic component, by geometrical relationship, the stress size of tray arm movable end, i.e. weight on pallet food materials can be obtained.
In order to facilitate measuring and installing, preferably, the elastic component is spring, which is vertically arranged, the bullet The free end of spring is articulated and connected upward and with the movable end of the elasticity arm, and the fixing end of the spring downward and connects steaming Case.
Preferably, the angular transducer is Hall angular transducer.Hall angle sensor bulk is small and exquisite, sensitive Degree is high, convenient to install in small space inside steam box, and guarantees measurement accuracy.
For the ease of the height and position of adjusting tray, and pallet is enabled preferably vacantly to keep horizontality, made To be preferred, Suspension, the activity of one end of the Suspension and the tray arm are additionally provided between the tray arm and pallet End articulated connection, the other end of the Suspension are fixedly connected with the pallet.Suspension can according to need adjustment pallet and exist Height and position in steam box liner, also, the setting of Suspension can make pallet have preferably pendency sense, guarantee it always In horizontality.
In order to improve the stability and reliability of pallet suspension, preferably, Suspension pull rod including there are two, One end of each pull rod is fixedly connected on the pallet, and the other end of each pull rod is articulated and connected in the activity of the tray arm End, setting triangular in shape between two pull rods and the pallet.
In order to simplify structure, facilitate the fixed and positioned of shaft part, preferably, the side wall of the steam box liner offers The spindle rod of support holes, the shaft part is rotatably penetrated and arranged in the support holes, also, the axis of the spindle rod is always The central point being in rolling contact with the axis keeping parallelism of the support holes, the inner wall of the outer wall of the spindle rod and the support holes The balance fulcrum of the as described shaft part.
In order to improve the stability of strutting system of spindle rod, unilateral inclination is avoided, preferably, the axis of the support holes is along water Square to setting, the spindle rod is horizontally disposed straight-bar.
Compared with the prior art, the advantages of the present invention are as follows: pallet is vacantly set in steam box liner always, passes through power Square equilibrium principle detects the food materials weight being put into pallet, realizes that structure is simple, which passes without using gravity (pressure) Sensor, can be to avoid there are gaps between steam box chassis and steam box shell, to prevent the vapor in use process from entering Problem inside steam box ensure that the measurement accuracy of food materials weight, so can accurately obtain need the temperature cooked and when Between, it finally ensure that steam box cooks effect.
Detailed description of the invention
Fig. 1 is the Weight-measuring device structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the spring stress geometrical model of the embodiment of the present invention.
Fig. 3 is the tray arm stress geometrical model of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in FIG. 1 to 3, the present embodiment is related to a kind of steam box food materials Weight-measuring device, which is mounted on It include the pallet 2, shaft part and elastic component that can hold food materials in steam box liner 1 and steam box shell, wherein shaft part includes Have balance fulcrum, power end and a resistance end, elastic component have one can elastic reset free end, pallet 2 be movably connected in The power end of shaft part, the free end of elastic component are movably connected in the resistance end of shaft part;Pallet 2 is horizontal always outstanding Sky is set in steam box liner 1, also, the power end of shaft part and resistance end meet following moment equilibrium condition: shaft part Torque always resistance end with shaft part suffered by pulling force torque phase to balance fulcrum of the pulling force suffered by power end to balance fulcrum Deng.
Specifically, as long as the shaft part of the present embodiment is able to satisfy above-mentioned moment equilibrium condition, various forms can be used Lever mechanism realize, it is contemplated that steam box inner space is limited, in order to facilitate the installation of so that internal structure is more compact, this reality The shaft part for applying example uses such as flowering structure: shaft part includes the tray arm 3, spindle rod 4 and elasticity arm being in the same plane 5, also, tray arm 3, spindle rod 4 and 5 three of elasticity arm are fixed as one, and tray arm 3 and elasticity arm 5 are respectively perpendicular to main shaft Bar 4 is arranged, and tray arm 3 and elasticity arm 5 are located at the both ends of spindle rod 4 and extend in opposite direction;
Wherein, spindle rod 4 is rotatably set on the side wall 11 of steam box liner 1, and the side wall 11 of steam box liner 1 offers Support holes 111, spindle rod 4 are rotatably penetrated and arranged in support holes 111, and the axis of spindle rod 4 always with support holes 111 Axis keeping parallelism, in order to prevent 4 tilt slide of spindle rod, it is preferable that the axis of the present embodiment support holes 111 is in the horizontal direction Setting, spindle rod 4 are horizontally disposed straight-bar, and the central point that the outer wall of spindle rod 4 and the inner wall of support holes 111 are in rolling contact is i.e. For the balance fulcrum of shaft part;Angular transducer 41 is additionally provided on spindle rod 4, for measuring the angle of the rotation of spindle rod 4, this Embodiment preferred volume is small and exquisite, high sensitivity Hall angular transducer.
The pallet 2 of the present embodiment is connected to the movable end 31 of tray arm 3, and the movable end 31 of the tray arm 3 is shaft part Power end, the free end of elastic component is connected to the movable end 51 of elasticity arm 5, and the movable end 51 of the elasticity arm 5 is shaft part Resistance end;Wherein, elastic component is preferably spring 6, which is vertically arranged, and the free end 61 of spring 6 is upward and and elastic force The movable end 51 of arm 5 is articulated and connected, and the fixing end 62 of spring 6 downward and is fixedly connected with steam box.
In order to facilitate the installation of pallet, while improving the stability and reliability of pallet suspension, pallet 2 and tray arm 3 it Between be also provided with Suspension, Suspension includes there are two pull rod 7, and one end of each pull rod 7 is fixedly connected on pallet 2, Other end articulated connection setting triangular in shape between the movable end of tray arm 3, two pull rods 7 and pallet 2 of each pull rod 7.
In order to preferably keep the balance of pallet, pallet is caused to shake when avoiding putting up food, the present embodiment turns Shaft member has two sets, is located at 2 two sides of pallet and is symmetrical arranged, and correspondingly, divides in the left and right sidewall 11 that steam box liner 1 is set relatively Support holes 111 are not offered, and the spindle rod 4 of every suit shaft part is threaded through in corresponding support holes 111, every suit shaft part Resistance end is provided with elastic component.
In order to avoid pallet shaking, the pallet 2 of the present embodiment the opposite and tray arm 3 of two sides and respective side that sets it Between be respectively arranged with Suspension, structure triangular in shape between two pull rods 7 and the respective side of pallet 2 of each Suspension, knot Structure is simple, and stability is high.
Lever balance theory is utilized in the food materials weight measurement of the present embodiment, due to being between pallet 2 and corresponding tray arm 3 Mobilizable articulated connection, it is right when pallet 2 can generate gravity straight down under different food materials weight (including blank panel state) Answer the movable end (i.e. articulated connection point) of tray arm 3 that movement vertically can be occurred by gravity;And tray arm 3, master Shaft 4 and elasticity arm 5 are fixed as one again, and after the movable end of tray arm 3 generates tension variations, spindle rod 4 can occur one Determine the rotation of angle, and then the movable end of elasticity arm 5 is driven to be subjected to displacement, finally causes to connect with the movable end of elasticity arm 5 Deformation occurs for spring 6;
As shown in Fig. 2, being the spring stress geometrical model of the present embodiment, wherein d is that the fixing end of spring and shaft part are put down The distance of weighing apparatus fulcrum, after spring 6, which is installed, to be fixed, d also immobilizes therewith;L is spring 6 and 5 hinge joint of elasticity arm to balance The length of fulcrum;F1The pulling force of spring 6, x when not put food materials on pallet 21Spring 6 is at this time when not put food materials on pallet 2 Length, A1Angle when not put food materials on pallet 2 between 6 pulling force of spring and distance d;Wherein, x1With F1Relationship such as Under:K is the rigidity of spring 6, and x is that the original of spring 6 is long;
F2The pulling force of spring 6, x when to place food materials on pallet 22The length of spring 6 at this time when to place food materials on pallet 2, A2Angle when to place food materials on pallet 2 between 6 pulling force of spring and distance d;Wherein, x2With F2Relationship it is as follows:K is the rigidity of spring 6, and x is that the original of spring 6 is long.
As shown in figure 3, in 3 stress geometrical model of tray arm, L1For the length of tray arm 3, a1Not put on pallet 2 When setting food materials, the initial angle of tray arm 3 and horizontal plane, G1The weight of pallet 2 when not have to place food materials on pallet 2;a2For support When placing food materials on disk 2, the angle of tray arm 3 and horizontal plane, G2The weight of pallet 2 when to place food materials on pallet 2.
Then, when pallet 2 is empty, due to the own wt of pallet 2, spindle rod 4 is rotated, and spring 6 has certain drawing It stretches, at this point, torque N suffered by the movable end of elasticity arm 51Are as follows: N1=F1·dcosA1, power suffered by the movable end of tray arm 3 Square N2Are as follows: N2=G1·L1cosa1, according to principle of moment balance, F1·dcosA1=G1·L1cosa1(formula 3);
When food materials are put into pallet 2, dynamic balance originally is destroyed, and spindle rod 4 can rotate, and spring 6 is by into one Step is stretched to increase the equalising torque that pulling force remains new, at this point, torque N suffered by the movable end of elasticity arm 53Are as follows: N3=F2· dcosA2, torque N suffered by the movable end of tray arm 34Are as follows: N4=G2·L1cosa2, according to principle of moment balance, F2·dcosA2 =G2·L1cosa2(formula 4).
Due to the weight Δ G of food materials are as follows: Δ G=G2-G1(formula 5), by above-mentioned formula 1, formula 2, formula 3,4 and of formula Formula 5 may finally obtain following food materials weight calculation formula:
Wherein, parameter d, L, L in formula 61、F1、F2、x1And x2It can directly obtain, and a1、a2It then can be by Hall The angle that angular transducer measurement spindle rod 4 turns over obtains, A1、A2It then can be derived to calculate according to the triangle geometry cosine law and obtained , in all known situation of above-mentioned parameter, the definite weight for any food materials being put into pallet 2 can be calculated according to formula 6 Amount, and then the temperature and time for needing to cook can be accurately obtained, both food materials was avoided to waste, and ensured that the culinary art effect of steam box Fruit.

Claims (9)

1. a kind of steam box food materials Weight-measuring device includes the pallet (2) that can hold food materials, it is characterised in that: the survey Measuring device further includes having shaft part and elastic component, and the shaft part includes power end and resistance end, and the pallet (2) is movable Ground is connected to the power end of the shaft part, also, the pallet (2) is horizontal always is vacantly set to steam box liner (1) In;The elastic component has a free end, and the free end of the elastic component is movably connected in the resistance end of the shaft part;Institute Stating shaft part further includes having balance fulcrum, the torque of pulling force suffered by the power end of the shaft part to balance fulcrum always with it is described The torque of pulling force to balance fulcrum suffered by the resistance end of shaft part is equal.
2. steam box food materials Weight-measuring device according to claim 1, it is characterised in that: the shaft part includes solid It is set to integrated tray arm (3), spindle rod (4) and elasticity arm (5), the spindle rod (4) is rotatably set to steam box liner Side wall on, the pallet (2) is connected to the movable end of the tray arm (3), and the movable end of the tray arm (3) is described turns The power end of shaft member, the free end of the elastic component are connected to the movable end of the elasticity arm (5), the activity of the elasticity arm (5) End is the resistance end of the shaft part, is additionally provided with angular transducer (41) on the spindle rod (4).
3. steam box food materials Weight-measuring device according to claim 2, it is characterised in that: the tray arm (3), spindle rod (4) it is respectively positioned in same plane with elasticity arm (5), the tray arm (3) and elasticity arm (5) are respectively perpendicular to the spindle rod (4) it is arranged, the tray arm (3) and elasticity arm (5) are located at both ends of the spindle rod (4) and in opposite direction Extend.
4. steam box food materials Weight-measuring device according to claim 3, it is characterised in that: the elastic component is spring (6), which is vertically arranged, and the free end (61) of the spring (6) is upward and the movable end with the elasticity arm (5) Articulated connection, the fixing end (62) of the spring (6) downward and connect steam box.
5. steam box food materials Weight-measuring device according to claim 2, it is characterised in that: the angular transducer (41) For Hall angular transducer.
6. steam box food materials Weight-measuring device according to claim 2, it is characterised in that: the tray arm (3) and pallet (2) Suspension is additionally provided between, the movable end articulated connection of one end of the Suspension and the tray arm (3) is described outstanding The other end of hanging piece is fixedly connected with the pallet (2).
7. steam box food materials Weight-measuring device according to claim 6, it is characterised in that: the Suspension includes two One end of a pull rod (7), each pull rod (7) is fixedly connected on the pallet (2), and the other end of each pull rod (7) hingedly connects It is connected to the movable end of the tray arm (3), setting triangular in shape between two pull rods (7) and the pallet (2).
8. steam box food materials Weight-measuring device according to claim 2, it is characterised in that: the side of the steam box liner (1) Wall offers support holes (111), and the spindle rod (4) of the shaft part is rotatably penetrated and arranged in the support holes (111), and And the axis of the spindle rod (4) the axis keeping parallelism with the support holes (111) always, the outer wall of the spindle rod (4) It is the balance fulcrum of the shaft part with the central point that the inner wall of the support holes (111) is in rolling contact.
9. steam box food materials Weight-measuring device according to claim 8, it is characterised in that: the axis of the support holes (111) Line is horizontally disposed, and the spindle rod (4) is horizontally disposed straight-bar.
CN201710861351.5A 2017-09-21 2017-09-21 Food weight measuring device for steam box Active CN109540276B (en)

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CN201710861351.5A CN109540276B (en) 2017-09-21 2017-09-21 Food weight measuring device for steam box

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Application Number Priority Date Filing Date Title
CN201710861351.5A CN109540276B (en) 2017-09-21 2017-09-21 Food weight measuring device for steam box

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CN109540276A true CN109540276A (en) 2019-03-29
CN109540276B CN109540276B (en) 2023-11-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB693431A (en) * 1950-02-23 1953-07-01 Nat Res Dev Improvements in or relating to weighing apparatus
CN2160893Y (en) * 1992-10-15 1994-04-06 机械电子工业部郑州机械研究所 Automatic continuous weighing apparatus for granules
JPH07181074A (en) * 1993-12-22 1995-07-18 Sharp Corp Measuring apparatus for object being heated by microwave range
US5811740A (en) * 1995-10-23 1998-09-22 Hamilton, Sr.; Brian L. Weight measuring device for cooking appliance
CN104748898A (en) * 2013-12-31 2015-07-01 贵州航天乌江机电设备有限责任公司 Method and device for measuring actual static frictional torque of rolling bearing
CN105595859A (en) * 2016-02-18 2016-05-25 梁伟池 Floating type detection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB693431A (en) * 1950-02-23 1953-07-01 Nat Res Dev Improvements in or relating to weighing apparatus
CN2160893Y (en) * 1992-10-15 1994-04-06 机械电子工业部郑州机械研究所 Automatic continuous weighing apparatus for granules
JPH07181074A (en) * 1993-12-22 1995-07-18 Sharp Corp Measuring apparatus for object being heated by microwave range
US5811740A (en) * 1995-10-23 1998-09-22 Hamilton, Sr.; Brian L. Weight measuring device for cooking appliance
CN104748898A (en) * 2013-12-31 2015-07-01 贵州航天乌江机电设备有限责任公司 Method and device for measuring actual static frictional torque of rolling bearing
CN105595859A (en) * 2016-02-18 2016-05-25 梁伟池 Floating type detection device

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