CN2430405Y - Belt scale frame capable of clearing centring force and inclined force - Google Patents
Belt scale frame capable of clearing centring force and inclined force Download PDFInfo
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- CN2430405Y CN2430405Y CN 00230148 CN00230148U CN2430405Y CN 2430405 Y CN2430405 Y CN 2430405Y CN 00230148 CN00230148 CN 00230148 CN 00230148 U CN00230148 U CN 00230148U CN 2430405 Y CN2430405 Y CN 2430405Y
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- frame
- belt
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- scale frame
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Abstract
The utility model relates to a belt scale frame for eliminating deviation force and inclined force, which relates to the field of the weight measurement technique in the course of transporting materials by means of a driving belt. The utility model is characterized in that four force measuring sensors are respectively arranged on both ends of the machines frames of two parallel inverted U-shaped force measuring sensors which are vertically assembled in the running direction of the driving belt. A steel ball is arranged in an upper concave cavity. The upper part of the steel ball is tangential with the bottom surface of a well-shaped scale frame. Four long square cylindrical shielding iron are also arranged on the machine frame. The inner lateral surface of the machine frame is respectively tangential with a rotating arm which is hung on the lower part of the scale frame. The scale frame contacts a supporting roller supporting frame through a cushion block. The utility model can eliminate lateral deviation force which is caused by the phenomenon that a belt deviates in the operational process of the driving belt and inclined force which is caused by an inclination angle. In addition, the precision and the stability of weight measurement are improved.
Description
Elimination sideslip power, tilting force belt conveyer scale scale frame belong to the technology category of the accessories apparatus of driving band, are specifically related to drive belt and transport weight metering technical field in the material process continuously.
Belt conveyer scale is the weighing metrology devices that is widely used in the industrial process, but its work under bad environment, disturbing factor is many, safeguards, checks difficulty, and influence is applied.According to the knowledge of the applicant, the scale frame of present employed drive belt scale is coupled by steel plate and force transducer, in operational process, because multiple factor, make the belt generation off-set phenomenon that is in operation, the center line that is belt does not overlap with the center line of carrying roller group, 6 percent of the belt width that the offset distance that is produced allows greater than rules, and what influence the weight metering precision is that the inclination angle of operation belt often may be above 6 ° the scope that rules allowed.The leaning angle that departs from belt at center is two major causes that influence drive belt scale precision.In view of this, (patent No.: ZL95216715.8) having developed LD-2000 series belt conveyer scale product, all is in order to eliminate side thrust that belt deviation produces and owing to leaning angle produces exciting force, and the proposition corresponding technical measures to use patented technology.The application is exactly a kind of improved type to said apparatus.In order to verify the novelty of the technical program, the applicant had once carried out the Searches of Patent Literature, finds no the invention technology identical with this programme and file an application to Patent Office of the People's Republic of China in retrieval, or announced by Patent Office.In market research, also the product that is not made of identical technical scheme is sold on market or is known public by the public.
The design the purpose of this utility model is: seek a kind of can eliminate the drive belt scale in operational process because the lateral deviation power that causes of belt deviation and because the tilting force that the inclination angle of belt causes, with the particularity and the stability of the weight metering of further raising device.
The claimed technical scheme of the application is as follows: this elimination sideslip power, tilting force belt conveyer scale scale frame has still adopted force transducer public, but the improvement below mainly having done on the scale shelf structure: 4 force transducers (8) are being housed respectively with the two ends that drive belt (4) service direction is " " shape force transducer frame (3) that two of arranged perpendicular parallels, its baseplane contacts with the last plane of " " shape force transducer frame (3), the top is a depression, dispose steel ball (9) in the depression, the top of steel ball is tangent with the baseplane that is " well " font scale frame; Also dispose the buting iron (6) of 4 rectangular cylindricalitys on the last plane of " " shape force transducer frame, their two sides parallel with the service direction of drive belt; Two medial surfaces of each rectangular cylinder touch mutually with the pivot arm (7) that is lifted on scale frame (2) below respectively; The scale frame touches with holder screw support (13) mutually by cushion block (14).
In addition, also taked following supplementary technology measure: " well " font scale frame (2) is made of " " shape channel-section steel, and wherein both sides parallel with the service direction of belt, and both sides are perpendicular in addition; The both sides that parallel are divided into three sections, and cover is welded on the two perpendicular channel-section steels; Four channel-section steels back ofs the body that form " well " shape are positioned on the same horizontal surface, constitute " well " type channel-section steel one body component, and upper shield is on 4 steel balls, and the inner plane and the steel ball of groove are tangent.Be lifted with two pivot arms respectively in the inner groove surface on each limit on four limits of the scale frame (2) of " well " font, totally 8; The both sides of arm are arc, and the inner plane of a side adjacent with buting iron is tangent; The center of pivot arm has circular hole, is inlaid with bearing (10) in the hole; The rotation direction of pivot arm or parallel with belt direction of travel, or perpendicular; Pivot arm is connected as a single entity by panel seat (11) and bolt and scale frame.Are furnished with four cushion blocks on four drift angles of the channel-section steel convex surface of " well " font scale frame (2); The latter's top is equipped with roller rack (13), and it touches with belt (4) mutually through carrying roller (5).Force transducer frame (3) places on the frame (1) that is made of channel-section steel that parallels with belt direction of travel, and the latter touches mutually with the earth.
Below in conjunction with accompanying drawing the technical solution of the utility model is remake description further.
Fig. 1 eliminates sideslip power, tilting force belt conveyer scale scale frame birds-eye view, is under the situation of no drive belt, carrying roller group and roller rack.
Fig. 2, the A-A cutaway view in the birds-eye view when roller rack and belt are housed.
Fig. 3 eliminates sideslip power structural representation.
Fig. 4 eliminates the tilting force structural representation.
Among the above-mentioned figure, each parts label is defined as follows: 1-frame, pair of parallel are " " formula and stand on the horizontal surface in " " of belt direction of travel channel-section steel, and groove points to belt centerline, is equipped with the force transducer frame on it.2-scale frame is " well " font, is made of " " shape channel-section steel, and wherein both sides parallel with the service direction of belt, and both sides are perpendicular in addition; The both sides that parallel are divided into three sections, and cover is welded on the two vertical channel-section steels; 4 channel-section steel back ofs the body that form " well " shape are positioned on the same horizontal surface, constitute " well " shape one body component.3-force transducer frame is made of two " " shape channel-section steel, and with the perpendicular configuration of drive belt service direction, two ends are equipped with 4 force transducers and 4 buting iron respectively.The 4-belt, cross-sectional plane is curved, vertically is banded, places on the carrying roller.5-carrying roller group is installed on the roller rack, two rows before and after dividing, and every row has 3.6-shelves iron has 4, promptly (6-1), (6-2),
(6-3), (6-4), rectangular cylinder, be installed on the last plane of " " shape force transducer frame, their two sides parallel with the service direction of drive belt, and two medial surfaces of each rectangular cylinder are tangent with the cambered surface of the pivot arm that is lifted on scale frame (2) below respectively.The 7-pivot arm, have 8, i.e. (7-1), (7-2), (7-3), (7-4), (7-5), (7-6), (7-7) and (7-8), be penholder shape, a side tangent with buting iron (6) is circular arc, and opposite side is the plane, the center has circular hole, be inlaid with bearing in it, pivot arm is lifted on the below of scale frame (2), and the brachium of pivot arm is relevant with employed belt width.The 8-force transducer has 4, and promptly (8-1), (8-2), (8-3) and (8-4) have adopted the market gauge member of public offering, and the top is a depression, disposes steel ball (9) in the depression.The 9-steel ball, spheroidal is embedded in the top depression of force transducer, and the baseplane of the top of steel ball and scale frame (2) is tangent.The 10-bearing is installed in the center hole of pivot arm.11-lifts bearing, goes to the bottom to be depression, and pivot arm (7) setting-in thereunder and is fixed on the scale frame (2) by bolt.The 12-bolt, the binding fastener between lifting bearing and the scale frame.The 13-roller rack is equipped with the carrying roller group on it, the standardized component that can buy for market.The 14-cushion block, box-shaped is configured on 4 drift angles of channel-section steel convex surface of " well " shape scale frame, between scale frame and roller rack, so that its horizontality is implemented to adjust.
The principle of work of this machine is as follows: when being loaded with load operation on the belt, since disturb make belt left or right avertence move, thereby to the corresponding lateral deviation power of carrying roller group (5) generation, it will cause the scale frame or move right left, but because pivot arm (7-1), (7-2) or (7-3), (7-4) with buting iron (6-1), (6-2) or (6-3), be the contact of no gap (6-4), the mutual action of buting iron and pivot arm, make the belt skew lateral deviation power that produces be able to balance, force transducer can not record the information of lateral deviation power, and load weight on the measured just steel ball top scale frame.When being loaded with load operation on the belt, make belt generation tilting force up or down owing to disturb, in like manner, pivot arm (7-5), (7-8) or (7-6), (7-7) and buting iron (6-1), (6-4) or (6-2), the mutual action between (6-3), make the belt tilting force be able to balance, force transducer can not record the information of tilting force.When design is selected for use, can select the brachium Rx of pivot arm according to the width of different belts, to reach when belt maximum sideslip degree and belt conveyer scale occur and produces 18 ° at limit inclination angle, still can make empty scale sensitivity of belt conveyer scale and zero point stability value reach 0.25 and 0.5 grade standard.
Use the technical performance of drive belt scale of this scale frame as follows:
Dynamic accumulation error:＜± 0.5%
The scope of weighing: 1～5000 ton/time
Belt speed: 0.1～5 meter per second
Belt width: 500～2200 millimeters
Allow sideslip :≤12%
Allow the inclination angle: 0～18 °
Comparing the useful effect that has with background technology is: can effectively eliminate the driving belt scale in operation In the process because the lateral deviation power that causes of belt sideslip and since the tilting force that the inclination angle of belt causes facts have proved In the identical situation of other index performance, the sideslip that this device allows and inclination angle can reach 12% and 18 °. Therefore, it can be used as a kind of well behaved supporting parts of driving belt scale.
Claims (5)
1. eliminate sideslip power, tilting force belt conveyer scale scale frame for one kind, it comprises force transducer, scale frame, it is characterized in that: 4 force transducers (8) are being housed respectively with the two ends that drive belt (4) service direction is " " shape force transducer frame (3) that two of arranged perpendicular parallels, its baseplane contacts with the last plane of " " shape force transducer frame (3), the top is a depression, dispose steel ball (9) in the depression, the top of steel ball is tangent with the baseplane that is " well " font scale frame (2); Also dispose the buting iron (6) of 4 rectangular cylinders on the last plane of " " shape force transducer frame, their two sides parallel with the service direction of drive belt; Two medial surfaces of each rectangular cylinder are tangent with the cambered surface of the pivot arm (7) that is lifted on scale frame (2) below respectively; The scale frame touches with roller rack (13) mutually by cushion block (14).
2. a kind of elimination sideslip power according to claim 1, tilting force belt conveyer scale scale frame is characterized in that " well " font scale frame (2) is made of " " shape channel-section steel, and wherein both sides parallel with the service direction of belt, and both sides are perpendicular in addition; The both sides that parallel are divided into three sections, and cover is welded on the two perpendicular channel-section steels; Four channel-section steels back ofs the body that form " well " shape are positioned on the same horizontal surface, constitute " well " shape one body component, and upper shield is on four steel balls, and the inner plane and the steel ball of groove are tangent.
3. a kind of elimination sideslip power according to claim 1, tilting force belt conveyer scale scale frame is characterized in that being in the inner groove surface on each limit on four limits of scale frame (2) of " well " font and are lifted with two pivot arms (7) respectively, totally 8; The both sides of arm are arc, and the inner plane of a side adjacent with buting iron is tangent; The center of pivot arm has circular hole, is inlaid with bearing (10) in the hole; The rotation direction of pivot arm or parallel with belt direction of travel, or perpendicular; Pivot arm is connected as a single entity by panel seat (11) and bolt and scale frame.
4. a kind of elimination sideslip power according to claim 1, tilting force belt conveyer scale scale frame is characterized in that being furnished with four cushion blocks (14) on four drift angles of the channel-section steel convex surface of " well " font scale frame (2); The latter's top is equipped with roller rack (13), and it touches with belt (4) mutually through carrying roller (5).
5. a kind of elimination sideslip power according to claim 1, tilting force belt conveyer scale scale frame is characterized in that: force transducer frame (3) places on the frame (1) that is made of channel-section steel that parallels with belt direction of travel, and the latter touches mutually with the earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00230148 CN2430405Y (en) | 2000-06-13 | 2000-06-13 | Belt scale frame capable of clearing centring force and inclined force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00230148 CN2430405Y (en) | 2000-06-13 | 2000-06-13 | Belt scale frame capable of clearing centring force and inclined force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2430405Y true CN2430405Y (en) | 2001-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00230148 Expired - Fee Related CN2430405Y (en) | 2000-06-13 | 2000-06-13 | Belt scale frame capable of clearing centring force and inclined force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2430405Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104641205A (en) * | 2012-05-04 | 2015-05-20 | 纳兰·奈杜 | Weighing module |
-
2000
- 2000-06-13 CN CN 00230148 patent/CN2430405Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104641205A (en) * | 2012-05-04 | 2015-05-20 | 纳兰·奈杜 | Weighing module |
| CN104641205B (en) * | 2012-05-04 | 2017-05-31 | 纳兰·奈杜 | Weighing module |
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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 |