CN105181096A - Liquid transfer-type weighing platform - Google Patents
Liquid transfer-type weighing platform Download PDFInfo
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- CN105181096A CN105181096A CN201510577876.7A CN201510577876A CN105181096A CN 105181096 A CN105181096 A CN 105181096A CN 201510577876 A CN201510577876 A CN 201510577876A CN 105181096 A CN105181096 A CN 105181096A
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Abstract
The invention discloses a liquid transfer-type weighing platform, which comprises a platform base, wherein the platform base is installed in a foundation pit formed in the road surface, a platform cover plate is arranged above the platform base, a liquid soft package and hydraulic sensors are arranged between the platform base and the platform cover plate, a contact sensor is arranged on the platform base, the contact sensor is used for detecting whether the platform base is in contact with the platform cover plate, and the liquid soft package adopts a liquid as a pressure transfer medium. The liquid transfer-type weighing platform provided by the invention can complete the accurate measurement of object weight on the road surface with a certain slope by using few liquid sensors.
Description
Technical field
The invention belongs to highway field of measuring techniques, particularly, the present invention relates to a kind of liquid transfer formula weighing platform.
Background technology
Truck scale, is commonly called as platform truck scale, is a kind of large-scale metering outfit of on the ground motor vehicles being carried out to check weighing.
China's charge of current highway to lorry is in dynamically double recipe formula charging, but dynamically weight metering charging mode due to error large, the defects such as easy cheating can cause great loss to country, for head it off, dynamic weight metering charging mode is progressively being changed to the static weight metering charging mode of car load by the present whole nation manyly, reseting the standby overwhelming majority due to car load static state meter is utilize about 10 pillars or bridge pressure sensor to gather weight parameter, this kind equipment installation requirement guarantee precision on level road, and China's highway especially the many road surfaces of charge station's ring road be all often with a slope, and not within minority more than more than 2 degree of charge station's ring road road gradient, on the road surface of the gradient more than more than 2 degree, car load truck scale weighing platform is installed and cannot meets installation requirement.
The truck scale car load weighing platform length major part of current China design 21 meters to 24 meters, width is at about 3 meters, if the truck scale weighing platform of about 21 to 24 meters length level on the road gradient being greater than more than 2 degree will be installed, only take the mode that road surface stretches, as stretched, sizable fund will be dropped in road surface, and some ring road also cannot stretch owing to being subject to geographic restrictions, install so research and development one can adapt to certain slope road surface, the car load not losing again measuring accuracy truck scale of weighing seems particularly important.
The patent No. is that the utility model patent of CN201320716542.X discloses a kind of busting reinforcement concrete truck scale, is made up of concrete layer, frp layer, cover plate, freeing port, weighing platform, weight induction device, circular reinforcing bar, concrete, hybrid resin and glass fibre; Concrete layer is made up of circular reinforcing bar and concrete; Frp layer is made up of hybrid resin and glass fibre; Frp layer outside is covered by concrete layer, and concrete layer levelling bench is called weighing platform, and weighing platform installs cover plate, and be freeing port immediately below cover plate, concrete layer bottom is provided with weight induction device; Described busting reinforcement concrete truck scale, centre is fiberglass, and fiberglass flexibility is stronger, can increase the plasticity of this product; The outside of frp layer wrap up by reinforced concrete, while can weighing not affecting automobile, alleviate the weight of busting reinforcement concrete truck scale, add the plasticity of busting reinforcement concrete truck scale, reach explosion-proof effect, but this patent does not solve the accuracy problem when weighing in the road surface of the gradient more than more than 2 degree.
The patent No. is that the patent of invention of CN200810163397.0 discloses dynamic automobile scale and car weight measuring method thereof, and the car weight be particularly useful in a dynamic condition is measured.Prior art exists measures inaccurate defect, the present invention includes the grating inductor, Wheel axle identifier and the image acquisition device that coordinate weighing platform to arrange, the passage both sides of weighing on front side of weighing platform are located at respectively by the transmitter of grating inductor and receiver, Wheel axle identifier is located at and is weighed on passage on front side of weighing platform, and described grating inductor, Wheel axle identifier are all connected with data acquisition processing device with image acquisition device.The weight data of each wheel shaft measured is carried out accumulation process by data acquisition processing device, and according to the travelling speed of the image analysis calculation vehicle collected and acceleration, revises, thus draw gross combination weight to weighing data.Measure accurately, prevent the metrical error because acceleration and deceleration are occurred by check point, the generation of cheating can be avoided, but also do not solve the accuracy problem when weighing in the road surface of the gradient more than more than 2 degree.
Summary of the invention
In order to overcome above problems of the prior art, the invention provides a kind of liquid transfer formula weighing platform, comprise platform base, platform base is arranged in the foundation ditch offered on road surface, be provided with platform cover plate above platform base, between platform base and platform cover plate, be provided with liquid Soft Roll and hydraulic pressure transducer.Platform base is provided with feeler, and whether feeler is used for detection platform base and contacts with platform cover plate.Owing to utilizing liquid as pressure transmission medium in liquid Soft Roll, therefore require that the freezing point of liquid in liquid Soft Roll is lower, to adapt to the lower weather of northern temperature, increase practicality, in addition the liquid Soft Roll material resistance to compression material that elasticity should be adopted larger, as rubber.
Preferably, described platform base both sides are fixedly connected with limiting square steels.
In above-mentioned either a program, preferably, described platform base both sides are respectively welded with two limiting square steels.
In above-mentioned either a program, preferably, described feeler is arranged on limiting square steels.
In above-mentioned either a program, preferably, described base internal fixtion is connected with spacing channel-section steel.
In above-mentioned either a program, preferably, two spacing channel-section steels are welded with in described base.
In above-mentioned either a program, preferably, described liquid Soft Roll is arranged between spacing channel-section steel and platform base two frame, the quantity of liquid Soft Roll is more than 4, height after liquid Soft Roll is full of liquid is greater than the housing of platform base and the height of spacing channel-section steel, so just can guarantee the accuracy of the data measured by hydraulic pressure transducer.
In above-mentioned either a program, preferably, described liquid Soft Roll is provided with entering mouth and going out mouth of liquid feeding, and entering mouth and going out between mouth of adjacent liquid Soft Roll is interconnected by high-pressure hose.
In above-mentioned either a program, preferably, described spacing channel-section steel be provided with liquid Soft Roll liquid feeding enter mouth and go out the corresponding fixed orifice of mouth.
In above-mentioned either a program, preferably, be provided with outside liquid between described two spacing channel-section steels and compensate mouth, outside liquid is compensated mouth and is connected with liquid storage case through gate valve, two-position three way joint I by high-pressure hose, and two-position three way joint I is connected with the mouth that enters of the liquid Soft Roll being positioned at platform base one end by two-position three way joint II further through force (forcing) pump, non-return retaining valve.
In above-mentioned either a program, preferably, the liquid Soft Roll of the described platform base other end is gone out mouth and is connected with the hydraulic pressure transducer in outer instrument box and tensimeter respectively by high-pressure hose, two-position three way joint III, air release, two-position three way joint IV, hydraulic pressure transducer and tensimeter further with computer Instrument connection, computer instrument automatically regulates force (forcing) pump to start according to manometric pressure and compensates pressure reach required value.
In above-mentioned either a program, preferably, the housing of described platform cover plate is greater than the housing of platform base, and be connected with spacing round steel at the both sides housing internal fixtion of platform cover plate, spacing round steel is corresponding with the limiting square steels of platform base.Liquid transfer formula weighing platform car weight measuring method, comprises the following steps a. and compensates mouth toward liquid Soft Roll injection liquid by outside liquid, meet the requirements of after pressure, close force (forcing) pump until tensimeter; B. when vehicle add be pressed on platen cover plate time, when four pieces of limiting square steels of platform base and four spacing round steel of platform cover plate all do not contact with each other, namely when computer instrument does not detect the signal of any one feeler, at this moment computer instrument detects hydraulic pressure transducer, converts the data of hydraulic pressure transducer to weight data simultaneously and stores and show; C. when vehicle add be pressed on platen cover plate time, when four pieces of limiting square steels of platform base and four spacing round steel of platform cover plate have at least one to contact with each other, namely, when computer detection is to the signal of at least one feeler, the data of at this moment detected hydraulic pressure transducer are just inaccurate;
In above-mentioned either a program, preferably, be fixedly connected with polylith resistance baffle plate on the downside of the top board of described platform cover plate, resistance height of baffle plate is consistent with the housing height of platform cover plate.
In above-mentioned either a program, preferably, the top board of described platform cover plate is also provided with the assembled panel with antiskid function, and assembled panel is provided with reinforcement, is overlapped make whole platform cover plate become an entirety between adjacent assembled panel by channel-section steel.
A kind of liquid transfer formula weighing platform of the present invention, comprise platform base, platform base is arranged in the foundation ditch offered on road surface, platform cover plate is provided with above platform base, liquid Soft Roll and hydraulic pressure transducer is provided with between platform base 1 and platform cover plate 14, platform base is provided with feeler, whether feeler is used for detection platform base and contacts with platform cover plate, liquid Soft Roll adopts liquid as pressure transmission medium, there is provided a kind of to need the hydraulic pressure transducer of minority just can complete accurately to measure on certain slope road surface the liquid transfer formula weighing platform of weight of object.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment according to liquid transfer formula weighing platform of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the cut-open view of Fig. 1.
Fig. 4 is the service condition schematic diagram of the embodiment according to liquid transfer formula weighing platform of the present invention.
Fig. 5 connects block diagram in Fig. 1 China and foreign countries instrument box.
Fig. 6 is platen cover plate structure schematic diagram of the present invention.
Fig. 7 is Fig. 6 cut-open view.
Fig. 8 is Fig. 6 other direction cut-open view.
Fig. 9 is the shaft side figure of platform cover plate.
Figure 10 is liquid Soft Roll 5 structural representation in Fig. 1.
Figure 11 is platform base 1 structural representation in Fig. 1.
Figure 12 is the vertical view of Figure 11.
Figure 13 is the shaft side figure of platform base 1 in Fig. 1.
Figure 14 is the cut-open view of platform base 1 in Fig. 1.
In figure, the implication of each label is as follows:
1: platform base; 2: limiting square steels; 3: feeler; 4: spacing channel-section steel; 5: liquid Soft Roll; 51: enter mouth; 52: go out mouth; 6: non-return retaining valve; 7: force (forcing) pump; 8: liquid storage case; 9: high-pressure hose; 10: air release; 11: hydraulic pressure transducer; 12: tensimeter; 13: computer instrument; 14: platform cover plate; 15: spacing round steel; 16: block resistance baffle plate; 17: outer instrument box; 18: outside liquid compensates mouth; 19: gate valve; 20: two-position three way joint I; 21: two-position three way joint II; 22: two-position three way joint III; 23: two-position three way joint IV.
Embodiment
In order to better understand technical scheme of the present invention and advantage, below by way of embodiment, and the present invention will be further described by reference to the accompanying drawings.
Embodiment 1
As shown in Fig. 1-Figure 14, a kind of liquid transfer formula weighing platform, comprise platform base 1, platform base 1 is arranged in the foundation ditch offered on road surface, platform cover plate 14 is provided with above platform base 1, be provided with liquid Soft Roll 5 and hydraulic pressure transducer 11 between platform base 1 and platform cover plate 14, platform base 1 is provided with feeler 3, and whether feeler 3 contacts with platform cover plate 14 for detection platform base 1.
The technical scheme that the present invention optimizes further is, as shown in Figure 2, described platform base 1 both sides are fixedly connected with limiting square steels 2.
The technical scheme that the present invention optimizes further is, described platform base 1 both sides are respectively welded with two limiting square steels 2.
The technical scheme that the present invention optimizes further is, described feeler 3 is arranged on limiting square steels 2, as shown in Figure 2.
The technical scheme that the present invention optimizes further is, described platform base 1 internal fixtion is connected with spacing channel-section steel 4, as illustrated in figures 11 and 13.
The technical scheme that the present invention optimizes further is, is welded with two spacing channel-section steels 4 in described platform base 1.
The technical scheme that the present invention optimizes further is, described liquid Soft Roll 5 is arranged between spacing channel-section steel 4 and platform base 1 liang of frame, the quantity of liquid Soft Roll 5 is more than four, height after liquid Soft Roll 5 is full of liquid is greater than the housing of platform base 1 and the height of spacing channel-section steel 4, so just can guarantee the accuracy of the data measured by hydraulic pressure transducer 11, as shown in the figure.
The technical scheme that the present invention optimizes further is, described liquid Soft Roll 5 is provided with entering mouth 51 and going out mouth 52 of liquid feeding, and entering mouth 51 and going out between mouth 52 of adjacent liquid Soft Roll 5 is interconnected, as shown in Fig. 1 and Figure 10 by high-pressure hose 9.
The technical scheme that the present invention optimizes further is, described spacing channel-section steel 4 is provided with and the entering mouth 51 and go out the corresponding fixed orifice of mouth 52 of liquid Soft Roll 5 liquid feeding, as shown in figure 13.
The technical scheme that the present invention optimizes further is, be provided with outside liquid between described two spacing channel-section steels 4 and compensate mouth 18, outside liquid is compensated mouth 18 and is connected with liquid storage case 8 through gate valve 19, two-position three way joint I20 by high-pressure hose, two-position three way joint I20 is connected with the mouth that enters of the liquid Soft Roll 5 being positioned at platform base 1 one end by two-position three way joint II21 further through force (forcing) pump 7, non-return retaining valve 6, as shown in Figure 1.
The technical scheme that the present invention optimizes further is, the liquid Soft Roll 5 of described platform base 1 other end is gone out mouth and is connected with the hydraulic pressure transducer 11 in outer instrument box 17 and tensimeter 12 respectively by high-pressure hose, two-position three way joint III22, air release 10, two-position three way joint IV23, hydraulic pressure transducer 11 and tensimeter 12 are connected with computer instrument 13 further, computer instrument 13 automatically regulates force (forcing) pump 7 to start according to manometric pressure and compensates pressure and reach required value, as shown in Figure 1 and Figure 5.
The technical scheme that the present invention optimizes further is, as shown in Fig. 6, Fig. 7, Fig. 8, the housing of described platform cover plate 14 is greater than the housing of platform base 1, and be connected with spacing round steel 15 at the both sides housing internal fixtion of platform cover plate 14, the limiting square steels 2 of spacing round steel 15 and platform base 1 is corresponding.Liquid transfer formula weighing platform car weight measuring method, comprises the following steps a. and injects liquid by outside liquid compensation mouth 18 toward liquid Soft Roll 5, after tensimeter 12 meets the requirements of pressure, close force (forcing) pump 7; B. when vehicle add be pressed on platen cover plate 14 time, when four pieces of limiting square steels 2 of platform base 1 all do not contact with each other with four spacing round steel 15 of platform cover plate 14, namely when computer instrument 13 does not detect the signal of any one feeler 3, at this moment computer instrument 13 detects hydraulic pressure transducer 11, converts the data of hydraulic pressure transducer 11 to weight data simultaneously and stores and show; C. when vehicle add be pressed on platen cover plate 14 time, when four pieces of limiting square steels 2 of platform base 1 have at least one to contact with each other with four spacing round steel 15 of platform cover plate 14, namely, when computer detection is to the signal of at least one feeler 3, the data of at this moment detected hydraulic pressure transducer 11 are just inaccurate;
The technical scheme that the present invention optimizes further is, as shown in Fig. 6 and Fig. 9, is fixedly connected with polylith resistance baffle plate 16 on the downside of described platform cover plate 14, and resistance baffle plate 16 height is consistent with the housing height of platform cover plate 14.
Embodiment 2.1
With embodiment 1.1 unlike, utilize liquid as pressure transmission medium in liquid Soft Roll 5, the freezing point of liquid in liquid Soft Roll 5 is lower.
Embodiment 2.2
With embodiment 1.1 unlike, platform base 1 both sides are respectively fixedly connected with two limiting square steels 2 by bolt, as shown in Figure 2.
Embodiment 2.3
With embodiment 1.1 unlike, the quantity of liquid Soft Roll 5 is six, as shown in Figure 1.
Embodiment 2.4
With embodiment 1.1 unlike, the quantity of liquid Soft Roll 5 is eight.
Embodiment 2.5
With embodiment 1.1 unlike, the quantity of liquid Soft Roll 5 is ten.
Embodiment 3.1
With embodiment 1.1 unlike, liquid Soft Roll 5 is arranged between spacing channel-section steel 4 and platform base 1 liang of frame, the quantity of liquid Soft Roll 5 is six, liquid Soft Roll 5 is full of the housing of the height after liquid higher than platform base 1 and the 5cm of spacing channel-section steel 4 height, guarantees the accuracy of the data measured by hydraulic pressure transducer 11.
Embodiment 3.2
With embodiment 1.1 unlike, liquid Soft Roll 5 is arranged between spacing channel-section steel 4 and platform base 1 liang of frame, the quantity of liquid Soft Roll 5 is six, liquid Soft Roll 5 is full of the housing of the height after liquid higher than platform base 1 and the 6cm of spacing channel-section steel 4 height, guarantees the accuracy of the data measured by hydraulic pressure transducer 11.
Embodiment 3.3
With embodiment 1.1 unlike, liquid Soft Roll 5 is arranged between spacing channel-section steel 4 and platform base 1 liang of frame, the quantity of liquid Soft Roll 5 is six, liquid Soft Roll 5 is full of the housing of the height after liquid higher than platform base 1 and the 7cm of spacing channel-section steel 4 height, guarantees the accuracy of the data measured by hydraulic pressure transducer 11.
Embodiment 3.4
With embodiment 1.1 unlike, liquid Soft Roll 5 is arranged between spacing channel-section steel 4 and platform base 1 liang of frame, the quantity of liquid Soft Roll 5 is six, liquid Soft Roll 5 is full of the housing of the height after liquid higher than platform base 1 and the 8cm of spacing channel-section steel 4 height, guarantees the accuracy of the data measured by hydraulic pressure transducer 11.
Embodiment 4.1
When measuring unlike, liquid transfer formula weighing platform car weight with embodiment 1.1, as shown in Figure 4 and Figure 5, comprise the following steps a. and compensate mouth 18 by outside liquid and inject liquid toward liquid Soft Roll 5, after tensimeter 12 meets the requirements of pressure, close force (forcing) pump 7, b. when vehicle add be pressed on platen cover plate 14 time, when four pieces of limiting square steels 2 of platform base 1 all do not contact with each other with four spacing round steel 15 of platform cover plate 14, namely when computer instrument 13 does not detect the signal of any one feeler 3, at this moment computer instrument 13 detects hydraulic pressure transducer 11, converts the data of hydraulic pressure transducer 11 to weight data simultaneously and stores and show, c. when vehicle add be pressed on platen cover plate 14 time, when four pieces of limiting square steels 2 of platform base 1 have 1-3 to contact with each other with four spacing round steel 15 of platform cover plate 14, may be because storing cycle position is inclined, therefore can by the position of adjustment vehicle, it is made to be parked in the centre position of liquid transfer formula weighing platform, if when computer instrument 13 still detects the signal having a feeler 3 at least, the data of at this moment detected hydraulic pressure transducer 11 are just inaccurate, if by the position of adjustment car, when finding that feeler 3 does not have a signal, the weight of the DATA REASONING car body of hydraulic pressure transducer 11 can be continued through.
Embodiment 5.1
With embodiment 1.1 unlike, the top board of described platform cover plate 14 is also provided with the assembled panel with antiskid function, and assembled panel is provided with reinforcement.
Embodiment 5.2
With embodiment 5.1 unlike, between adjacent assembled panel by channel-section steel overlap make whole platform cover plate become an entirety.
It should be noted that, above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a liquid transfer formula weighing platform, comprises platform base, and platform base is arranged in the foundation ditch offered on road surface, platform cover plate is provided with above platform base, it is characterized in that, be provided with liquid Soft Roll and hydraulic pressure transducer between platform base and platform cover plate, platform base is provided with feeler.
2. a kind of liquid transfer formula weighing platform as claimed in claim 1, is characterized in that: described platform base both sides are fixedly connected with limiting square steels.
3. a kind of liquid transfer formula weighing platform as claimed in claim 1 or 2, is characterized in that: described platform base both sides are respectively welded with two limiting square steels.
4. a kind of liquid transfer formula weighing platform as claimed in claim 1, is characterized in that: described feeler is arranged on limiting square steels.
5. a kind of liquid transfer formula weighing platform as claimed in claim 3, is characterized in that: described platform base internal fixtion is connected with spacing channel-section steel.
6. a kind of liquid transfer formula weighing platform as claimed in claim 3, is characterized in that: be welded with two spacing channel-section steels in described platform base.
7. a kind of liquid transfer formula weighing platform as claimed in claim 1, it is characterized in that: described liquid Soft Roll is arranged between spacing channel-section steel and platform base two frame, the quantity of liquid Soft Roll is more than 4, and the height after liquid Soft Roll is full of liquid is greater than the housing of platform base and the height of spacing channel-section steel.
8. a kind of liquid transfer formula weighing platform as claimed in claim 7, is characterized in that: described liquid Soft Roll is provided with entering mouth and going out mouth of liquid feeding, and entering mouth and going out between mouth of adjacent liquid Soft Roll is interconnected by high-pressure hose.
9. a kind of liquid transfer formula weighing platform as described in claim 5 or 6, is characterized in that: described spacing channel-section steel be provided with liquid Soft Roll liquid feeding enter mouth and go out the corresponding fixed orifice of mouth.
10. a kind of liquid transfer formula weighing platform as claimed in claim 6, it is characterized in that: be provided with outside liquid between described two spacing channel-section steels and compensate mouth, outside liquid is compensated mouth and is connected with liquid storage case through gate valve, two-position three way joint I by high-pressure hose, and two-position three way joint I is connected with the mouth that enters of the liquid Soft Roll being positioned at platform base one end by two-position three way joint II further through force (forcing) pump, non-return retaining valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577876.7A CN105181096B (en) | 2015-09-11 | 2015-09-11 | Liquid delivery type weighing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577876.7A CN105181096B (en) | 2015-09-11 | 2015-09-11 | Liquid delivery type weighing platform |
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| Publication Number | Publication Date |
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| CN105181096A true CN105181096A (en) | 2015-12-23 |
| CN105181096B CN105181096B (en) | 2017-10-31 |
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| CN201510577876.7A Active CN105181096B (en) | 2015-09-11 | 2015-09-11 | Liquid delivery type weighing platform |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6667445B2 (en) * | 2001-11-16 | 2003-12-23 | Jiin-Lung Chang | Hydraulic weighing machine |
| CN102128669A (en) * | 2010-12-22 | 2011-07-20 | 溧阳市超强链条制造有限公司 | Weighing scale with hydraulic device |
| CN102338657A (en) * | 2011-08-12 | 2012-02-01 | 重庆市计量质量检测研究院 | Adaptive hydraulic weighing device |
| CN103308129A (en) * | 2012-03-16 | 2013-09-18 | 侯东胜 | Portable weighing platform and truck scale |
| CN204255479U (en) * | 2014-12-10 | 2015-04-08 | 南京工程学院 | Adhering film many bellows ground scale |
| CN205037954U (en) * | 2015-09-11 | 2016-02-17 | 王素新 | Liquid transmission formula platform of weighing |
-
2015
- 2015-09-11 CN CN201510577876.7A patent/CN105181096B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6667445B2 (en) * | 2001-11-16 | 2003-12-23 | Jiin-Lung Chang | Hydraulic weighing machine |
| CN102128669A (en) * | 2010-12-22 | 2011-07-20 | 溧阳市超强链条制造有限公司 | Weighing scale with hydraulic device |
| CN102338657A (en) * | 2011-08-12 | 2012-02-01 | 重庆市计量质量检测研究院 | Adaptive hydraulic weighing device |
| CN103308129A (en) * | 2012-03-16 | 2013-09-18 | 侯东胜 | Portable weighing platform and truck scale |
| CN204255479U (en) * | 2014-12-10 | 2015-04-08 | 南京工程学院 | Adhering film many bellows ground scale |
| CN205037954U (en) * | 2015-09-11 | 2016-02-17 | 王素新 | Liquid transmission formula platform of weighing |
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| CN105181096B (en) | 2017-10-31 |
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