CN2136461Y - Hanging vertical impact plate type flowmeter - Google Patents
Hanging vertical impact plate type flowmeter Download PDFInfo
- Publication number
- CN2136461Y CN2136461Y CN 92217731 CN92217731U CN2136461Y CN 2136461 Y CN2136461 Y CN 2136461Y CN 92217731 CN92217731 CN 92217731 CN 92217731 U CN92217731 U CN 92217731U CN 2136461 Y CN2136461 Y CN 2136461Y
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- check
- hanger bar
- out console
- transmission rod
- vertical
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Abstract
The utility model relates to a hanging vertical impact plate type flowmeter which is especially suitable for measuring materials conveyed by a belt conveyer. The flowmeter comprises a detection part and a force-electricity conversion part, wherein, the detection part comprises a detection plate, a hanging rod and a hanging line, and the detection plate is hung by the hanging rod and the hanging line; the back side of the detection plate contacts a force cell of the force-electricity conversion part, and a resistance strain gauge type force cell is used as the force cell. The utility model can accurately measure materials separated from the belt conveyer. The utility model has the advantages of simple structure, easy installation and high sensitivity and solves the problem of zero drift which is caused by materials adhering to the detection plate.
Description
The utility model belongs to flow solids mass flow measurement mechanism technical field, is the vertical swash plate type flowmeter of a kind of suspension, is best suited for the material metering that band conveyor is carried.
Impulse flow meter carries out work with momentum principle.The powder body that is added by charging gear is in the certain altitude free-falling, impact with vertical plane check-out console at angle on the power that produced be directly proportional with the instantaneous material flow of tested material.Existing products is to make it near free-falling with shaping tube restriction material, detects the horizontal shift of the horizontal component generation that is subjected to impulsive force, makes differential transformer produce voltage signal, to measure the size of flow.This product has comparatively complicated meticulous power delivery system and damper, will do strict level correction to equipment during use, not so can cause additional force because of detection bodies is stained with material, causes error in dipping.
The purpose of this utility model is that a kind of shaping tube that do not need will be provided, and can directly measure the belt convey materials, and is simple in structure, and metering is accurately used the vertical swash plate type flowmeter of suspension of processing ease.
The purpose of this utility model realizes with the following methods.This hangs vertical swash plate type flowmeter, comprise test section and power-electric conversion portion, the test section comprises check-out console, hangs check-out console hanger bar or suspension line, and the check-out console back side contacts with the force cell of power-electricity conversion, and force cell is installed on the sensor holder.Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the utility model schematic diagram
Fig. 2 realizes the utility model simple structure figure
Fig. 3 is the left side view of Fig. 2
Fig. 4 unipivot suspended structure sketch
The two pivot suspension formula structure diagrams of Fig. 5
Fig. 6 is that check-out console (1), weight (2), transmission rod (13) etc. are formed whole vertical view
Fig. 7 is the two pivot suspension structure connecting rod pivot emphasis locations drawing of Fig. 5
Fig. 8 is the left side view of Fig. 7
Among the figure: 1-check-out console 2-force cell
The fit lever 4-of the two fulcrums of 3-sensing seat
5-bullet zero spring 6-center of gravity is adjusted thallium
7-force transferring lever 8-transmission rod
9,10-even catches up with or rope 11-hinge transmission rod
12-weight 13-positioning of rotating piece
The defeated material of 14-belt 15-cylinder
R-belt conveyor discharge roll radius
Operation principle of the present utility model is (referring to Fig. 1): when the material on the conveying belt has speed V motion, if V＞
(R-radius roller, g-acceleration of gravity), material will leave cylinder from point of contact A and dish out, as disregard adhesive attraction between air drag and material and belt, when dishing out, material keep the horizontal component of speed V constant, impact is on vertical check-out console (1), and then the horizontal component of impulsive force can be calculated as follows:
Fx＝Q·△Vx＝Q·V·cosα·（1＋e）
In the formula: Fx-impulsive force horizontal component (N), the mass rate of Q-material (kg/s), α-belt speed V direction is to level inclination, and the e-rebound coefficient has 0＜e＜1.
Fx is detected by force cell (2), and because of V, α, e are all constant, Fx is proportional to Q, just knows the Q value as long as measure Fx, by power-electric conversion portion, just can realize mass flow is measured.The force cell of power-electric conversion portion adopts the resistance-strain chip force cell of general production, and the advantage of this force cell is that displacement is little, precision is high, installation is easier to.Be embodiment of the present utility model below.
Embodiment one:
As shown in Figures 2 and 3.Hanger bar (3) is the fit levers of two fulcrums, and two fulcrums (F, F ') form an axis FF ', and check-out console (1) plate face when static is vertical, and the zeroing spring (5) of the initial pre-tension of adjustment force cell (2) is arranged on the fit lever of two fulcrums.Check-out console (1) is suspended on the fulcrum axis FF ' by the fit levers of two fulcrums (3), the plate face is vertical when static, lever (3) just in time contacts force cell (2), and check-out console (1) only can be swung around fulcrum FF ', when material towards skill on check-out console (1), the horizontal component of impulsive force just is delivered to force cell (2), and sensor holder (4) can move up and down, and changes and prop up the distance of axis (FF '), just can change stressed size, realize the range adjusting.Zeroing spring (5) is adjusted the initial pre-tension of force cell (2), and the vertical component of impulsive force and adhered materials weight are fulcrum institute balance, and this device impulsive force size is relevant with impact position.Be suitable for the metering under the fixing or more stable flow situation.
Embodiment two:
As shown in Figure 4.Hanger bar (3) and embodiment one are the same to be unipivot (two fulcrum), the perpendicular bisector stationkeeping of check-out console (1) has transmission rod (8), the lower end of hanger bar (3) and transmission rod (8) are affixed, there is center of gravity to adjust thallium (6) on the hanger bar (3), it is vertical that check-out console (1) keeps when static, and an axis of shock surface and hanger bar (3) is in same vertical plane, transmission rod (8) contacts with vertically suspended force transferring lever (7), and force transferring lever (7) contacts with force cell (2).The size of detected like this impulsive force (Fx) has just had nothing to do with impact position.By regulating the position that (precession or back-out) center of gravity is adjusted thallium (6), keep when making check-out console (1) static vertically, and shock surface and (check-out console outer plate surface) and an axis are in same perpendicular, so that vertically power is fulcrum institute balance, the horizontal component of impulsive force (Fx) is impacted after check-out console (1) is gone up and by transmission rod (8) power is passed to force transferring lever (7), by force transferring lever (7) this masterpiece is used in force cell (2) again, directly shows mass flow through power-electricity conversion and display instrument.Because material impacts the horizontal component (Fx) of the impulsive force that produces on any position of check-out console (1) all be to have passed through transmission rod (8) and force transferring lever (7), and the arm of force of force transferring lever (7) is fixed, so the size of impulsive force and impact position are irrelevant.
Embodiment three:
As Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8.Hanger bar or suspension line change two pivot suspension bars of four fulcrums or suspension line (9 into, 10), check-out console (1) and hinge transmission rod (11) fixed connection, weight (12) is arranged on the transmission rod (11), there are positioning of rotating bar (13) one ends to be fixed on the check-out console (1), the other end passes transmission rod (11), fix by release handle, the end of transmission rod (11) contacts with force transferring lever (7), force transferring lever (7) contacts with force cell (2), there are four to flexibly connect some A1 on the transmission rod (11), A1 ' and A2, A2 ' (see figure 6) and hanger bar or suspension line (9,10) connect four fixed pivot (F1 of hanger bar or suspension line, F1 ', F2, F2 ') flexibly connects point (A1 with four, A1 ', A2, A2 ') should meet following relationship between:
F1F1 ' A1A1 ' ∥ plane, plane F2F2 ' A2A2 ' when static (be vertical plane),
F1F1 ' F2F2 ' ∥ plane, plane A1A1 ' A2A2 ' when static and movable (all are surface levels).The horizontal component of the impulsive force that this structure not only detects (Fx) size and shock point location independent, and check-out console (1) also can be fixed on a certain angle with vertical plane, has the same function of swash plate impulse flow meter.Check-out console (1), hinge transmission rod (11), weight (12), positioning of rotating bar (13) are formed an integral body, and this whole is hung by two fulcrums (F1F1 ', F2F2 ' diaxon) four fulcrum hanger bar (9,10).And two fulcrum four fulcrum hanger bar (9,10) can adopt two fit levers of the dual point of the two fulcrums as shown in embodiment one.Two fulcrum four fulcrum hanger bar (9,10) also can adopt four suspension rods, and make length F1F1 ' ≠ A1A1 ', F2F2 ' ≠ A2A2 ' (A2A2 ' can shorten into a bit).Like this, check-out console (1) is static or be subjected to that material impacts and during swing, hinge transmission rod (11) remains level, and can not do teeter or spin.During use, check-out console (1) can pass through positioning of rotating bar (13), makes it vertically also can become certain inclination angle, whole has suitable weight, makes it be stabilized in the equilibrium position, and when being stained with material, still between two fulcrum vertical planes, make vertical power is two fulcrums, two weighing apparatuses to its center of gravity.Weight (12) makes whole to have suitable weight, can avoid force cell (2) to be hit and damages.When metering, material is gone up with speed V impulse detection plate (1) from defeated material belt (14), whole of being made up of check-out console (1), hinge transmission rod (11), weight (12), positioning of rotating bar (13) swung to force transferring lever (7) direction under the suspension of two fulcrum four fulcrum hanger bar (9,10), force cell (2) is subjected to the effect of force transferring lever (7), power is converted to electric signal output, demonstrates flow value by the control display system.
The utility model and existing impulse flow meter relatively have the following advantages:
1, the horizontal momentum of directly having utilized material to have. If it is vertical adopting check-out console, by Fx=QVx(1+e), Fx and installation dimension are irrelevant, as long as material can impact on check-out console, Just can accurate-metering (can effectively utilize vertical speed wash away shock plate and irrelevant with the metering size).
2, no rectification tremie pipe and blanking device, complete machine structure is comparatively simple, and it is comparatively easy to install at belt conveyor.
3, the utility model comes balance detection plate and the weight of other parts own with hang, can make it have suitable inertia unlikely damage sensor when accepting impulsive force. Since adopted the force cell displacement little, simple easily more reliable than corner-type, the parallel movable structure of existing impulse flow meter, and very high sensitivity is arranged.
4, use force cell, make control demonstration and existing belt conveyer scale general.
When 5, vertical check-out console adopts two pivot suspension mode (as embodiment three), the zero drift that more or less freely solution check-out console addendum material causes.And require more much lower than existing corner formula and parallel-moving type structure to level correction is installed.
Claims (7)
1, the vertical swash plate type flowmeter of a kind of suspension, comprise test section and power-electric conversion portion, it is characterized in that the test section comprises the hanger bar or the suspension line (3) of check-out console (1), suspension check-out console (1), check-out console (1) back side contacts with the force cell (2) of power-electricity conversion, and force cell (2) is installed on the sensor holder (4).
2, the vertical swash plate type flowmeter of suspension according to claim 1, it is characterized in that hanger bar (3) is the fit lever of two fulcrums, two fulcrums form an axis FF ', check-out console (1) plate face when static is vertical, and the zeroing spring (5) of the initial pre-tension of adjustment force cell (2) is arranged on the fit lever of two fulcrums.
3, the vertical swash plate type flowmeter of suspension according to claim 1, it is characterized in that hanger bar (3) is unipivot (two fulcrum), the perpendicular bisector stationkeeping of check-out console (1) has transmission rod (8), the lower end of hanger bar (3) and transmission rod (8) are affixed, there is center of gravity to adjust thallium (6) on the hanger bar (3), it is vertical that check-out console (1) keeps when static, and an axis of shock surface and hanger bar (3) is in same vertical plane, transmission rod (8) contacts with vertically suspended force transferring lever (7), and force transferring lever (7) contacts with force cell (2).
4, the vertical swash plate type flowmeter of suspension according to claim 1, it is characterized in that hanger bar or suspension line are four fulcrum twin shaft hanger bar or suspension line (9,10), check-out console (1) hinge transmission rod (11), weight (12) is arranged on the transmission rod (11), there are positioning of rotating bar (13) one ends to be fixed on the check-out console (1), the other end passes transmission rod (11), fix by release handle, the end of transmission rod (11) contacts with force transferring lever (7), force transferring lever (7) contacts with force cell (2), there are four to flexibly connect some A1 on the transmission rod (11), A1 ' and A2, A2 ' and hanger bar or suspension line (9,10) connect four fixed pivot (F1 of hanger bar or suspension line, F1 ', F2, F2 ') with by check-out console (1) and transmission rod (11), weight (12) is formed four flexible connection point (A1 of a whole set of part, A1 ', A2, A2 ') should meet following relationship between:
F1F1 ' A1A1 ' ∥ plane, plane F2F2 ' A2A2 ' when static (be vertical plane),
F1F1 ' F2F2 ' ∥ plane, plane A1A1 ' A2A2 ' when static and movable (all are surface levels).
5, the vertical swash plate type flowmeter of suspension according to claim 4 is characterized in that two fulcrums (F1F1 ', F2F2 ' diaxon) four fulcrum hanger bar (9,10) are two fit levers of dual point.
6, the vertical swash plate type flowmeter of suspension according to claim 4 is characterized in that two fulcrum four fulcrum hanger bar (9,10) are four suspension rods, and F1F1 ' ≠ A1A2 ', F2F2 ' ≠ A2A2 ' (length) is arranged.
7,, it is characterized in that the force cell of power-electricity conversion adopts resistance-strain chip force cell according to claim 1 or the vertical swash plate type flowmeter of 2 or 3 or 4 or 5 or 6 described suspensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92217731 CN2136461Y (en) | 1992-09-04 | 1992-09-04 | Hanging vertical impact plate type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92217731 CN2136461Y (en) | 1992-09-04 | 1992-09-04 | Hanging vertical impact plate type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2136461Y true CN2136461Y (en) | 1993-06-16 |
Family
ID=33765476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92217731 Expired - Fee Related CN2136461Y (en) | 1992-09-04 | 1992-09-04 | Hanging vertical impact plate type flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2136461Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103125204A (en) * | 2011-12-03 | 2013-06-05 | 中国科学院合肥物质科学研究院 | Grain mass measurement device and measurement method of combine harvester |
| CN104197334A (en) * | 2014-09-25 | 2014-12-10 | 陈沛然 | Bidirectionally-throwing, clockwise and anti-clockwise self-adjusting waste incineration grate furnace |
| CN106628841A (en) * | 2017-01-24 | 2017-05-10 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Dynamic metering chain plate conveyor with two-dimensional weighing function |
| WO2018000802A1 (en) * | 2016-06-27 | 2018-01-04 | 山西新元自动化仪表有限公司 | Impact plate belt scale and weighing method thereof |
| CN108593300A (en) * | 2018-06-20 | 2018-09-28 | 湖北三江航天江河化工科技有限公司 | A kind of attitude control engine test equipment |
-
1992
- 1992-09-04 CN CN 92217731 patent/CN2136461Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103125204A (en) * | 2011-12-03 | 2013-06-05 | 中国科学院合肥物质科学研究院 | Grain mass measurement device and measurement method of combine harvester |
| CN103125204B (en) * | 2011-12-03 | 2015-08-19 | 中国科学院合肥物质科学研究院 | A kind of grain quality measurement mechanism of combine and measuring method |
| CN104197334A (en) * | 2014-09-25 | 2014-12-10 | 陈沛然 | Bidirectionally-throwing, clockwise and anti-clockwise self-adjusting waste incineration grate furnace |
| WO2018000802A1 (en) * | 2016-06-27 | 2018-01-04 | 山西新元自动化仪表有限公司 | Impact plate belt scale and weighing method thereof |
| CN107543597A (en) * | 2016-06-27 | 2018-01-05 | 山西新元自动化仪表有限公司 | Punching belt conveyer scale and its weighing technique |
| CN106628841A (en) * | 2017-01-24 | 2017-05-10 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Dynamic metering chain plate conveyor with two-dimensional weighing function |
| CN106628841B (en) * | 2017-01-24 | 2022-07-12 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Dynamic metering chain scraper conveyor with two-dimensional weighing function |
| CN108593300A (en) * | 2018-06-20 | 2018-09-28 | 湖北三江航天江河化工科技有限公司 | A kind of attitude control engine test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |