CN205879339U - Electronic platform scale of dual range - Google Patents
Electronic platform scale of dual range Download PDFInfo
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- CN205879339U CN205879339U CN201620743690.4U CN201620743690U CN205879339U CN 205879339 U CN205879339 U CN 205879339U CN 201620743690 U CN201620743690 U CN 201620743690U CN 205879339 U CN205879339 U CN 205879339U
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Abstract
The utility model provides an electronic platform scale of dual range includes platform scale's big weighing system, this big weighing system of includes original platform scale scale base, mesa, install at the first sensor of mesa rear surface, fixed column etc. Still include little weighing system, it contains 4 installs at mesa rear surface and the second sensor adjacent with a sensor portion, 4 sliding sleeves, 4 ejector pins, the second line board terminal box etc. A cylinder push rod mechanism, 4 jacking subassemblies. Keep offseting with the fixed column through the pressure head at 4 lower first sensors of the condition of conventionality, the second sensor is then relative contactless with the ejector pin. Switching to become and weigh high accuracy when measurement for a short time at needs, opening the switch, the ejector pin is the jacking progressively to accomplish the contact of ejector pin and second sensor pressure head through this jacking and push up and break away from with first sensor and fixed column. The utility model discloses carry out the measurement of two kinds of ranges in an electronic platform scale, not only reduced the space area who occupies, reduced manufacturing cost, can satisfy the objective demand of some users.
Description
Technical field
This utility model relates to a kind of metrology scale, specifically, relates to a kind of double-dial electronic platform scale.
Background technology
Big table top electronic platform scale currently on the market or electronic platform scale all use the weighing mode of four sensors, they
It it is all the foundation using the calibration value of full scale as the accuracy of measuring.The metering of little weighing is existed by this big table top electronic platform scale
Also it is to be as the criterion with the accuracy of measuring of full scale in precision, so precision is the most poor comparatively speaking when little weighing is weighed, nothing
Method meets big weighing and little weighing high-precision measuring simultaneously.For this present situation, whether we can be constant in platform scale external form, platform
Scale height designs a kind of high-precision measuring that can meet wide range on the premise of remaining less than 180mm can meet again small-range
The two amounts journey electronic platform scale that high-precision measuring requires, so that user can be achieved with on a big table top electronic platform scale
Big weighing and little weighing high-precision measuring, this is the thing expected in the minds of a lot of user.
Summary of the invention
The purpose of this utility model is to overcome existing deficiency, and provides the structure of a kind of double-dial electronic platform scale,
Existing platform balance structure, according to the force-bearing situation of platform balance, is transformed by it, with can according to weighing object, select big weigh or
The little weighing of person, if user switch over achieve that on a platform scale two kinds weigh in the high accuracy meter of arbitrary weighing
Amount.
The technical scheme realizing object above is: a kind of double-dial electronic platform scale, including weighing greatly of platform scale is
System, this big weighing system include the scale base containing base plate of original platform scale, the table top being positioned on scale base, 4 be separately mounted to
The fixing post on four angles, the big LOAD CELLS of 4 rear surfaces being arranged on table top or first sensor on scale base base plate,
The pressure head carried in each of which offsets with 4 fixing posts on scale base respectively, and the first line plate wiring of first sensor
Box, the first signal cable and include the first switch first metering display unit, wherein, also include little weighing system, it contains:
4 little LOAD CELLSs or the second sensor, be each arranged on table after the table top adjacent with each first sensor
Face, each includes being installed on Sensor section and the pressure head protruding from shell in shell；
4 sliding sleeves, are fixed on the base plate of scale base and are each in relative position with the pressure head of the second sensor；
4 push rods, slide up and down to be arranged in sliding sleeve respectively；And be used in combination and suitable with the second Sensor section
The second wiring board rosette, secondary signal cable, the second metering display unit and the second source switch that sequence connects；
One cylinder push-rod mechanism, is arranged on the centre position of scale base base plate, including by cylinder block, double-piston, double piston-rod
The cylinder constituted and two are respectively perpendicular the push rod being arranged on each piston rod, and the two ends of this push rod are stretched in the scale base
Two relative walls；
4 jacking assemblies, each include having the guiding trestle of chute, one of upper surface there is certain length
The inclined plane slide block in face, each jacking assembly is arranged on four angles of scale base base plate by guiding trestle respectively and is positioned at 4 sliding sleeves
Lower section, inclined plane slide block is placed in the chute of guiding trestle slidably, and connector is passed through in its other end relative with inclined plane
Each connect the two ends of push rod；
One end of push rod in described sliding sleeve is vertically opposite with the second sensor pressure head, and its other end is positioned at inclined plane slide block
In inclined plane, when jacking, inclined plane slide block is advanced from situ along reach the sliding sleeve relatively of inclined plane along with push rod by push rod
Make vertical ascent slide and promote the pressure head of its upper end by the table top of the second sensor and installation thereof together on push away certain distance, make
The pressure head of first sensor departs from fixing post, and persistently raises, until the extreme higher position of the second sensor and its original position
It is poor to compare at a distance of certain altitude, and namely the lower edge of the inclined plane of inclined plane slide block is to the relative vertical elevational h on upper edge, when declining
Described push rod is made vertical sliding motion with rear shifting the relatively sliding sleeve of inclined plane and is made the second sensor decline and be returned to original position, and i.e. the
The pressure head of one sensor offsets with fixing post, and the pressure head of the second sensor is in the low level of the decline of push rod, and continuous decrease,
After be returned in situ.
Double-dial electronic platform scale as described above, wherein, the bottom of described push rod is each provided with a roller, with logical
Cross roller be positioned in the inclined plane of inclined plane slide block and make relative Structure deformation therewith.
Double-dial electronic platform scale as described above, wherein, described cylinder push-rod mechanism also includes a guidance set,
Guidance set contain on the axis of guide being provided with in push rod front center and the scale base base plate being located at before this axis of guide and and this
The guide pin bushing that the axis of guide is slidably connected.
Double-dial electronic platform scale as described above, wherein, described cylinder uses back-to-back cylinder.
Double-dial electronic platform scale as described above, wherein, the connector of described push rod and slide block uses adjustable
Screw bolt and nut, to adjust 4 pieces of slide blocks relative position with push rod or the second sensor pressure head to be maintained at jacking by nut
During concordance.
Double-dial electronic platform scale as described above, wherein, described scale base surrounding arranges protruding upward, against platform
The positive stop strip at four sides, face, to prevent the table top error in dipping that many degree slips cause when weighing.
Double-dial electronic platform scale as described above, wherein, described electronic platform scale height is less than 180mm, can be same
Time meet the high-precision measuring of two ranges of size.
Double-dial electronic platform scale as described above, wherein, the big weighing system measures range of described platform scale is
1200-1500 kilogram, measuring accuracy is 1/7500, and the little weighing system measures range of platform scale is 100-450 kilogram, metering
Precision is 1/9000.
Double-dial electronic platform scale as described above, wherein, described relative vertical elevational h, h are 3-7mm.
From above explanation it will be seen that this utility model first sensor and the second sensor use inverted being arranged on
On the adjacent position, table top rear surface of electronic platform scale, first sensor uses the side that its pressure head offsets with the fixing post on scale base
Formula is installed, and 4 first sensors are respectively perpendicular uniform stressed, and the second sensor pressure head uses and do not contacts peace with push rod
Dress mode, this is also the platform scale situation when original state.Switch to and little weighing from the big high-precision measuring that weighs at needs
During high-precision measuring, close the first on and off switch, open second source switch, can successively start the outside air pump connecting cylinder,
Cylinder push-rod mechanism and jacking component operation, cylinder push-rod mechanism is promoted forward by push rod and is positioned at guiding in jacking assembly
Inclined plane slide block in frame chute, mobile along the inclined plane work rising of slide block with push rod so that from the pressure with the second sensor
Head touches by the progressively jacking of the second sensor under push rod effect, and completes 4 first sensors by this jacking stress
With fixing post depart from and instead by push rod individually proceed lifting and support 4 the second sensors and the platform installed thereof
Face.Due to push rod vertical ascending motion in sliding sleeve, its second sensor pressure head synchronizes rise to stress and be positioned at setting
Height, except ensureing that the metering of the second sensor is not disturbed by first sensor, it is also possible to guarantee table top energy level
Lifting rather than friction jacking, guarantee that stress point with sensor keeps one to make peace and guarantees that the zero-bit repeatability of platform scale is consistent.
When to reply a large amount of title metering, as long as regaining push rod by cylinder moving, slide block opposite direction is made to work.This utility model is one
Platform electronic platform scale is carried out the metering of two amounts journey, not only decreases the spatial area taken, reduce production cost, can expire
Foot some user's objective demands, the particularly precision of the metering of two amounts journey can meet the requirement of measurement criteria.
Accompanying drawing explanation
Fig. 1 is that the double-dial electronic platform scale of this utility model little weighing system frame for movement after removing table top is arranged
Schematic perspective view；
Fig. 2 is broken section schematic front view of the present utility model；
Fig. 3 be in Fig. 2 A-A to sectional view；
Fig. 4 be first sensor and the second sensor with each of which with the use of wiring, cable, show, switch etc.
The block diagram connected；
Fig. 5 is this utility model first sensor and the second sensor arranges that on the rear surface of table top the solid of situation is shown
It is intended to.
Detailed description of the invention
Referring to Fig. 1-Fig. 5, double-dial electronic platform scale of the present utility model includes the big weighing system of platform scale, for
Original, the scale base 10 containing base plate that this big weighing system includes original platform scale, the table top 20,4 points being positioned on scale base
The big LOAD CELLS of 80,4 rear surfaces being arranged on table top of fixing post not being arranged on on scale base base plate four angles or
First sensor 30, the respective post 80 fixing with 4 on scale base of pressure head 31 that each of which is installed offsets, and is placed in
First line plate rosette the 40, first signal cable 50 of being used in combination with first sensor in scale base, it is arranged on scale base 10
The first metering display unit 60 and the first on and off switch 70 being separately formed a system is separated on side or with scale base 10.This
In, 4 first sensors 30 are connected to first line plate rosette 40 by line set, are then sequentially connected with the first signal electricity
Cable, the first metering display unit and the first on and off switch, additionally, this utility model also includes: the little weighing system of platform scale, its
Including:
4 little LOAD CELLSs or the second sensor 1, each be adjacent to be arranged on table top 20 with each first sensor 30
Rear surface, each includes being installed on Sensor section in shell and protrudes from the pressure head 13 of shell；
4 sliding sleeves 11, the base plate being fixed on scale base 10 is the most positioned opposite with the pressure head 13 of the second sensor 1；4
Push rod 12, slides up and down to be arranged in sliding sleeve 11 respectively；And be used in combination with the second sensor and be linked in sequence
Two wiring board rosettees 2, secondary signal cable 3, second measure display unit 4, second source switch 5.Here, 4 second biographies
Sensor 1 is as 4 first sensors, by line set is connected to the second wiring board rosette 2, meanwhile, and platform scale little
Second wiring board rosette 2 of weighing system, secondary signal cable 3, second measure display unit 4 and second source switch 5 exists
Scale base can be arranged mutually arranged side by side by parts with the layout on scale base as the big weighing system of platform scale.
One cylinder push-rod mechanism 6, is arranged on the centre position of the base plate of scale base 10, including by cylinder block, double-piston and double
Cylinder 61 that piston rod is constituted and two are respectively perpendicular the push rod 62 being arranged on each piston rod, and the two ends of this push rod 62 are stretched
To relative two walls in scale base 10, herein, described cylinder 61 can use the back-to-back gas being arranged in a cylinder block
Cylinder.
4 jacking assemblies 7, each include having the guiding trestle 71 of chute, one of upper surface there is certain length
The inclined plane slide block 72 of inclined plane 721, each jacking assembly respectively by guiding trestle 71 be arranged on scale base base plate four angles and
Being positioned at the lower section of 4 sliding sleeves 11, inclined plane slide block 72 is placed in the chute of guiding trestle 71 slidably, itself and inclined plane 721 phase
To other end each connect the two ends of push rod 62 by connector, then, inclined plane slide block 72 along with piston rod promote and front and back
Mobile.
In described sliding sleeve, one end of push rod 12 is vertically opposite with the second sensor pressure head 13, and its other end is positioned at jacking assembly
Inclined plane slide block 72 inclined plane 721 on, when jacking push rod 12 along with push rod 62 to the propelling of inclined plane slide block 72 from original position edge
Inclined plane 721 reach and and promote the pressure head of its upper end by the table top of the second sensor and upper installation thereof together on push away necessarily
Distance, makes the pressure head of first sensor 30 depart from fixing post 80, and persistently raises, until the second sensor 1 reaches highest order
Putting, at this moment the extreme higher position of the second sensor 1 is poor at a distance of certain altitude compared with its original position, namely the inclining of inclined plane slide block
The lower edge on inclined-plane is to the relative vertical elevational h on upper edge, and when declining, described push rod 12 is with the rear shifting sliding sleeve the most relatively of inclined plane 721
11 make vertical sliding motion and make the second sensor decline and be returned in situ, and i.e. first sensor 1 is by pressure head and fixing post 80 phase
Support and the pressure head of the second sensor is in dipping of push rod decline, and continuous decrease, until being returned to (refer to push rod in situ
Depart from the pressure head of the second sensor or do not contact), i.e. decline vertical height h.Generally, described relative vertical elevational h is
3-7mm。
In a preferred embodiment, the bottom of described push rod 12 is each provided with a roller 15, to be positioned at tiltedly by roller 15
In the inclined plane 721 of face slide block and make relative Structure deformation therewith.
Additionally, cylinder push-rod mechanism 6 also includes a guidance set, this guidance set is by being arranged on push rod 62 front center
One axis of guide 621 and be arranged on the base plate of the scale base 10 before this axis of guide 621 and be slidably connected with the axis of guide 621
One guide pin bushing 63.So, when the table top of platform scale is bigger, for improving the reliability of cylinder operation, cylinder push-rod is designed to
While using 3 slips, i.e. 2 slide blocks of the single-phase promotion of cylinder, in the middle part of push rod, it is also provided with the axis of guide 621, to guarantee to push away
The horizontal stability of bar.
The connector of described push rod 62 and slide block 72 uses adjustable bolt 8 and nut 9, to adjust slide block by nut 9
72 with the relative position of the pressure head of the second sensor 1WithGuarantee that 4 pieces of slide blocks are during the second sensor 1 jacking and declining
Concordance.
During jacking, along with push rod moves vertically in sliding sleeve 11, make the pressure head of the second sensor 1 from push rod
Keep not contacting or in a distance to offseting, depart from fixing post to first sensor 30, until promoting second
Sensor rises certain altitude together with table top 20, to guarantee that table top 20 can level rise；Decline time, push rod with jacking
The mode that journey is contrary is carried out, and returns to first sensor 30 and offsets with fixing post 80 and the second sensor 1 is in relative de-with push rod
From state and return in situ.
The height of described electronic platform scale is less than 180mm, can meet the high-precision measuring of two ranges of size simultaneously.Described
Scale base 10 surrounding arranges positive stop strip 101 protruding upward, against table top 20 four sides, to prevent table top 10 many degree when weighing sliding
The dynamic error in dipping caused.
In this utility model, the big weighing system measures range of platform scale is 1200-1500 kilogram, and measuring accuracy is 1/
7500, the little weighing system measures range of platform scale is 100-450 kilogram, and measuring accuracy is 1/9000.
Feature in this utility model structure, including have employed back-to-back cylinder, sliding sleeve, push rod and jacking assembly, in switching
During can ensure that two-way simultaneous promotes 4 groups of slide blocks, by inclined plane, push rod is hung down in slide block sliding process in chute
Straight lifting, reaches to be in complete stress with the pressure head of the second sensor, and the pressure head of first sensor takes off with fixing post simultaneously
From, now, the stress of the pressure head of the second sensor has high stability, and after the Overstroke that slide block slides, cylinder is in
Latched position, thus complete the automatic conversion of two amounts journey.Particularly, in this utility model, second sensor use sliding sleeve and
Push rod carries out jacking, makes stress push rod move vertically in sliding sleeve, to guarantee table top energy horizontal lifting rather than friction jacking,
Can at utmost ensure that the stress point with first sensor keeps consistent, it is ensured that the zero-bit repeatability of platform balance is consistent.
Claims (8)
1. a double-dial electronic platform scale, including the big weighing system of platform scale, this big weighing system includes original platform
Fixing on the scale base containing base plate of scale, the table top being positioned on scale base, 4 four angles being separately mounted on scale base base plate
Post, the big LOAD CELLS of 4 rear surfaces being arranged on table top or first sensor, the pressure head that each of which is carried respectively with scale
4 fixing posts on seat offset, and first line plate rosette, first signal cable of first sensor and include that first opens
The the first metering display unit closed, it is characterised in that also including little weighing system, it contains:
4 little LOAD CELLSs or the second sensor, be each arranged on the table top rear surface adjacent with each first sensor, often
One includes being installed on Sensor section and the pressure head protruding from shell in shell；
4 sliding sleeves, are fixed on the base plate of scale base and are each in relative position with the pressure head of the second sensor；
4 push rods, slide up and down to be arranged in sliding sleeve respectively；And be used in combination with the second Sensor section and order connects
The second wiring board rosette, secondary signal cable, the second metering display unit and the second source switch connect；
One cylinder push-rod mechanism, is arranged on the centre position of scale base base plate, constitutes including by cylinder block, double-piston, double piston-rod
Cylinder and two be respectively perpendicular the push rod being arranged on each piston rod, the two ends of this push rod are stretched in the scale base relatively
Two walls；
4 jacking assemblies, each include having the guiding trestle of chute, one of upper surface there is certain length inclined plane
Inclined plane slide block, each jacking assembly is arranged on four angles of scale base base plate by guiding trestle respectively and is positioned under 4 sliding sleeves
Side, inclined plane slide block is placed in the chute of guiding trestle slidably, and its other end relative with inclined plane is by connector each
Connect the two ends of push rod；
One end of push rod in described sliding sleeve is vertically opposite with the second sensor pressure head, and its other end is positioned at the inclination of inclined plane slide block
On face, when jacking, push rod hangs down from reach sliding sleeve relatively along inclined plane in situ along with inclined plane slide block is advanced by push rod
Straight up-slip and promote the pressure head of its upper end by the table top of the second sensor and installation thereof together on push away certain distance, make first
The pressure head of sensor departs from fixing post, and persistently raises, until the extreme higher position of the second sensor is compared with its original position
Poor at a distance of certain altitude, namely the lower edge of the inclined plane of inclined plane slide block is to the relative vertical elevational h on upper edge, described in when declining
Push rod is made vertical sliding motion with rear shifting the relative sliding sleeve of inclined plane and is made the second sensor decline and be returned in situ, and i.e. first passes
The pressure head of sensor offsets with fixing post, and the pressure head of the second sensor is in the low level of the decline of push rod, and continuous decrease, finally returns
Multiple in situ.
Double-dial electronic platform scale the most as claimed in claim 1, it is characterised in that the bottom of described push rod is each provided with one
Roller, to be positioned in the inclined plane of inclined plane slide block by roller and to make relative Structure deformation therewith.
Double-dial electronic platform scale the most as claimed in claim 1, it is characterised in that described cylinder push-rod mechanism also includes one
Guidance set, guidance set contains the axis of guide being provided with in push rod front center and is located at the scale base base plate before this axis of guide
A guide pin bushing that is upper and that be slidably connected with this axis of guide.
Double-dial electronic platform scale the most as claimed in claim 1, it is characterised in that described cylinder uses back-to-back cylinder.
Double-dial electronic platform scale the most as claimed in claim 1, it is characterised in that the connector of described push rod and slide block is adopted
Use adjustable screw bolt and nut, to adjust 4 pieces of slide blocks relative position with push rod or the second sensor pressure head to protect by nut
Hold the concordance during jacking.
Double-dial electronic platform scale the most as claimed in claim 1, it is characterised in that described scale base surrounding arranges protruding upward
, positive stop strip against table top four sides, to prevent table top many degree when weighing from sliding the error in dipping that causes.
Double-dial electronic platform scale the most as claimed in claim 1, it is characterised in that described electronic platform scale height is less than
180mm, can meet the high-precision measuring of two ranges of size simultaneously.
Double-dial electronic platform scale the most as claimed in claim 1, it is characterised in that described relative vertical elevational h, h are 3-
7mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620743690.4U CN205879339U (en) | 2016-07-15 | 2016-07-15 | Electronic platform scale of dual range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620743690.4U CN205879339U (en) | 2016-07-15 | 2016-07-15 | Electronic platform scale of dual range |
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| Publication Number | Publication Date |
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| CN205879339U true CN205879339U (en) | 2017-01-11 |
Family
ID=57695695
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| CN201620743690.4U Active CN205879339U (en) | 2016-07-15 | 2016-07-15 | Electronic platform scale of dual range |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741268A (en) * | 2017-08-29 | 2018-02-27 | 烟台鲁宝钢管有限责任公司 | A kind of split type roller-way applied to steel pipe online weighing claims |
| CN111912509A (en) * | 2020-07-15 | 2020-11-10 | 游跃杰 | Quick disassembling and replacing weighing system suitable for garbage transfer station transfer system |
| CN112197840A (en) * | 2020-09-12 | 2021-01-08 | 深圳市启蒙智慧医疗科技有限公司 | Double-range electronic scale |
| CN112461434A (en) * | 2020-09-27 | 2021-03-09 | 山东大学 | Full-sea-depth self-adaptive high-precision full-flow penetration spherical probe based on FBG (fiber Bragg Grating) |
| CN112461435A (en) * | 2020-09-27 | 2021-03-09 | 山东大学 | Interlocking device and multi-order nested high-precision self-adaptive sensor applying same |
| CN112461415A (en) * | 2020-09-27 | 2021-03-09 | 山东大学 | Full-sea-depth self-adaptive high-precision pressure conduction type cone penetration probe based on FBG (fiber Bragg Grating) |
| CN113588049A (en) * | 2021-10-08 | 2021-11-02 | 启东友铭衡器有限公司 | Weighing sensor and weighing scale |
-
2016
- 2016-07-15 CN CN201620743690.4U patent/CN205879339U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741268A (en) * | 2017-08-29 | 2018-02-27 | 烟台鲁宝钢管有限责任公司 | A kind of split type roller-way applied to steel pipe online weighing claims |
| CN111912509A (en) * | 2020-07-15 | 2020-11-10 | 游跃杰 | Quick disassembling and replacing weighing system suitable for garbage transfer station transfer system |
| CN111912509B (en) * | 2020-07-15 | 2022-05-24 | 安徽博斯达市政设施科技有限公司 | Quick disassembling and replacing weighing system suitable for garbage transfer station transfer system |
| CN112197840A (en) * | 2020-09-12 | 2021-01-08 | 深圳市启蒙智慧医疗科技有限公司 | Double-range electronic scale |
| CN112461434A (en) * | 2020-09-27 | 2021-03-09 | 山东大学 | Full-sea-depth self-adaptive high-precision full-flow penetration spherical probe based on FBG (fiber Bragg Grating) |
| CN112461435A (en) * | 2020-09-27 | 2021-03-09 | 山东大学 | Interlocking device and multi-order nested high-precision self-adaptive sensor applying same |
| CN112461415A (en) * | 2020-09-27 | 2021-03-09 | 山东大学 | Full-sea-depth self-adaptive high-precision pressure conduction type cone penetration probe based on FBG (fiber Bragg Grating) |
| CN112461435B (en) * | 2020-09-27 | 2021-12-24 | 山东大学 | Interlocking device and multi-order nested high-precision self-adaptive sensor applying same |
| CN112461415B (en) * | 2020-09-27 | 2021-12-24 | 山东大学 | Full-sea-depth self-adaptive high-precision pressure conduction type cone penetration probe based on FBG (fiber Bragg Grating) |
| CN113588049A (en) * | 2021-10-08 | 2021-11-02 | 启东友铭衡器有限公司 | Weighing sensor and weighing scale |
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