CN201803787U - Temperature-compensation pull rod limiter - Google Patents
Temperature-compensation pull rod limiter Download PDFInfo
- Publication number
- CN201803787U CN201803787U CN2010202704016U CN201020270401U CN201803787U CN 201803787 U CN201803787 U CN 201803787U CN 2010202704016 U CN2010202704016 U CN 2010202704016U CN 201020270401 U CN201020270401 U CN 201020270401U CN 201803787 U CN201803787 U CN 201803787U
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- scale body
- seat
- oscillating bearing
- guide positioning
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Abstract
The utility model relates to a temperature-compensation pull rod limiter for a large-scale electronic weighing machine. The temperature-compensation pull rod limiter comprises a base seat, an oscillating bearing, a left helical casing, a right helical casing, an adjust spindle, a scale body seat, guide positioning sleeves, disc springs and the like, wherein the base seat, the oscillating bearing, the left helical casing, the right helical casing, the adjust spindle, the scale body seat, the guide positioning sleeves and the disc springs are coaxially arranged between the base of the weighing machine and a scale body; the oscillating bearing is connected with the base seat through a shaft pin; two ends of the left helical casing as well as those of the right helical casing are respectively connected with the oscillating bearing and the adjust spindle through lock nuts; two guide positioning sleeves are symmetrically arranged on two sides of the lateral plate of the scale body seat; the shaft lever body of the adjust spindle passes through the guide positioning sleeves and the middle of the lateral plate of the scale body seat; and two disc springs are respectively arranged among the adjust spindle and the guide positioning sleeves through lock cover plates. As the stress state of the pull rod limiter is automatically adjusted by utilizing an elastic element, and the states of the limiter can be automatically regulated according to the seasonal and temperature variation, the utility model effectively avoids damage or influence on the weighing precision caused by excessive stress on the limiter, and has the advantages of reasonable structure, reliable performance and fine application effect.
Description
Technical field
The utility model belongs to the meausring apparatus technical field, relates to the temp. compensation type pull bar stop that a kind of large-scale electronic scale is used.
Background technology
Along with the development of society, the range of large-scale electronic scale such as automobile weighing apparatus from before 100 tons be increased to more than 200 tons, the weighing platform dimensions also is increased to 24 meters from 18 meters, the pattern of weighing also is increased to dynamic and static pattern by the single static pattern.
The weighing apparatus stop that is usually used in large-scale electronic scale at present comprises non-contact type stop and contact stop two classes.The spacing gap of contactless stop (between weighing platform and the basis) is generally 3～5mm, and when environment temperature comparatively fast changed, its spacing gap also can change.If spacing excesssive gap, weighing platform impacts big to the basis, and noise signal is stronger, and system reliability reduces; If spacing dieback will have a strong impact on weighing precision, generally require the user by the spacing gap of the timely adjustment of temperature variation in season.Traditional contact stop is mainly the pull bar stop, owing to be no gap between weighing platform and the basis, when bigger variation takes place in environment temperature, weighing platform expands with heat and contract with cold, limit pull rod is afforded from the big acting force between basis and the scale body, very easily cause pull bar to lose efficacy or influence the weighing precision of system,, increased maintenance cost so generally also will require the user to carry out the pretightning force adjustment by season.
The utility model content
The purpose of this utility model is the problem that prior art exists is solved, thereby provides a kind of rational in infrastructure, dependable performance, can adjust the stop state automatically according to season and temperature variation and avoid because of the stressed excessive temp. compensation type pull bar stop that causes damaging or influencing weighing precision of stop.
Be used to realize that the technical solution of foregoing invention purpose is such: the temp. compensation type pull bar stop that is provided is by the coaxial basis seat that is arranged between weighing apparatus basis and weighing apparatus scale body, oscillating bearing, about revolve screw-casing, regulate axle, scale body seat, two guide-localization covers, two secondary disk springs and two locking cover plates are formed, the external end head of oscillating bearing is connected with the basis seat by pivot pin, about revolve screw-casing two-port the inner termination by set nut and oscillating bearing and the external end head of regulating axle are connected respectively, two guide-localization covers are arranged on the both sides of scale body seat side plate respectively by the contraposition of disc spring pad plate, the axostylus axostyle body of regulating axle is passed by the middle part of two guide-localization covers and scale body seat side plate, and two secondary disk springs and guide-localization cover are arranged on by locking cover plate roof pressure respectively and regulate on the axle.
This temp. compensation type pull bar stop is gone up general employing two ends as shown in Figure 3 at automobile weighing apparatus (scale body) two mode respectively is installed, and concrete principle of work is:
When vehicle when (shown in Fig. 3 paper) stops on the scale body by weighing apparatus scale body or brake from right to left with speed v, because inertia, produce motion forward, left end disk spring pressurized in two stops in the left side, right-hand member disk spring pressurized simultaneously in the stop, the generation damping that resets forces the scale body to move in the other direction; When the scale body moved in the other direction, the action effect of each disk spring was identical, produced the damping that oppositely resets, and the scale body is resetted, and had improved the accuracy of the information of weighing, and had reduced distorted signals.
The utility model increases temperature compensation means to be suitable for different climatic environments on the basis of traditional pull bar stop, can adjust the stop state automatically according to season and temperature variation, and its compensation adjustment principle as shown in Figure 4.When temperature raises, the scale measure expansion, length increases δ
1, the scale body is together with the scale body seat δ that moves to right
1, produce thrust F2, disk spring stressed F2 in the right in the stop, the generation decrement is δ
1When temperature reduces, the shrinkage of scale body, length reduces δ 2, and the scale body is together with the scale body seat δ that moves to left
2, produce thrust F1, disk spring stressed F1 in the left side in the stop, the generation decrement is δ
2Therefore this temp. compensation type pull bar stop has automatic regulatory function when causing the stressed excessive situation of stop means expanding with heat and contract with cold.
Temp. compensation type pull bar stop described in the utility model is a kind of dynamic property (dynamic accuracy height of having relatively high expectations that is primarily aimed at, the Dynamic Signal processing speed is fast etc.) and the electronic scale that is easy to safeguard and the novel position limiter designed and developed, it utilizes flexible member (disk spring) to come the stress of automatic adjusting yoke stop, improved the overall dynamics response frequency of weighing apparatus on the one hand, improved the accuracy of the information of weighing, reduced distorted signals, automatically absorb the stress of adjusting yoke stop on the other hand by disk spring, reduce maintenance cost, improved the reliability of weighing system.Of the present utility model simple in structure, but the low action row of cost is strong, project organization has tried to be applied in many cover sound attitude electronic scales so far, action effect is obvious, has obtained good social benefit.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the utility model.
Fig. 2 is an outside drawing of the present utility model.
Fig. 3 installs and uses the synoptic diagram of structure for the utility model.
Fig. 4 is the synoptic diagram of the temperature compensation Principles of Regulation of this pull bar stop.
Each label title is respectively in the accompanying drawing: 1-scale body seat, and the 2-disk spring revolves screw-casing about 3-, 4-set nut, 5-basis seat, the 6-pivot pin, the 7-oscillating bearing, 8-regulates axle, 9-guide-localization cover, 10-disc spring pad plate, 11-locks cover plate, I-weighing apparatus basis, II-weighing apparatus scale body.
Embodiment
Below with reference to accompanying drawing the utility model content is described further, but actual fabrication structure of the present utility model is not limited in following embodiment.
Referring to accompanying drawing, temp. compensation type pull bar stop described in the utility model mainly by coaxial be arranged on basis seat 5 between weighing apparatus basis I and scale body II, oscillating bearing 7, about revolve screw-casing 3, regulate axle 8, scale body seat 1, guide-localization cover 9, disk spring 2, set nut 4, disc spring pad plate 10 and locking cover plate 11 etc. partly form.Wherein the external end head of oscillating bearing 7 is connected with basis seat 5 by pivot pin 6, about revolve screw-casing 3 two-port be connected with the inner termination of oscillating bearing 7 and the external end head of adjusting axle 8 by set nut 4 respectively, two guide-localizations overlap 9 both sides that are separately positioned on scale body seat 1 side plate; The axostylus axostyle body of regulating axle 8 is passed by the middle part of two guide-localization covers 9 and scale body seat 1 side plate, regulate axle 8 by about revolve screw-casing 3 and be connected with oscillating bearing 7, and can by screw or unclamp about revolve screw-casing 3 regulate between scale body seat 1 side plates and the basis 5 plate face apart from and the pull bar pretightning force; Two secondary disk springs 2 and guide-localization cover 9 are arranged on by locking cover plate 11 roof pressures respectively and regulate on the axle 8.Basis seat 5 and weighing apparatus basis I are welded to connect, and scale body seat 1 and weighing apparatus scale body II are welded to connect.
Claims (1)
1. temp. compensation type pull bar stop, it is characterized in that the basis seat (5) that is arranged between weighing apparatus basis (I) and weighing apparatus scale body (II) by coaxial, oscillating bearing (7), about revolve screw-casing (3), regulate axle (8), scale body seat (1), two guide-localization covers (9), two secondary disk springs (2) and two locking cover plates (11) are formed, the external end head of oscillating bearing (7) is connected with basis seat (5) by pivot pin (6), about revolve screw-casing (3) two-port be connected with the inner termination of oscillating bearing (7) and the external end head of adjusting axle (8) by set nut (4) respectively, two guide-localization covers (9) are arranged on the both sides of scale body seat (1) side plate respectively by disc spring pad plate (10) contraposition, the axostylus axostyle body of regulating axle (8) is passed by the middle part of two guide-localization covers (9) and scale body seat (1) side plate, and two secondary disk springs (2) and guide-localization cover (9) are arranged on by locking cover plate (11) roof pressure respectively and regulate on the axle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202704016U CN201803787U (en) | 2010-07-23 | 2010-07-23 | Temperature-compensation pull rod limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202704016U CN201803787U (en) | 2010-07-23 | 2010-07-23 | Temperature-compensation pull rod limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803787U true CN201803787U (en) | 2011-04-20 |
Family
ID=43873285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202704016U Expired - Lifetime CN201803787U (en) | 2010-07-23 | 2010-07-23 | Temperature-compensation pull rod limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201803787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411658A (en) * | 2013-08-27 | 2013-11-27 | 济钢集团有限公司 | Combined-type pull rod horizontal limiting device of small section chain scale |
| CN111085909A (en) * | 2019-11-29 | 2020-05-01 | 河南航天精工制造有限公司 | Fine adjustment positioning device and centerless grinding machine |
-
2010
- 2010-07-23 CN CN2010202704016U patent/CN201803787U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411658A (en) * | 2013-08-27 | 2013-11-27 | 济钢集团有限公司 | Combined-type pull rod horizontal limiting device of small section chain scale |
| CN111085909A (en) * | 2019-11-29 | 2020-05-01 | 河南航天精工制造有限公司 | Fine adjustment positioning device and centerless grinding machine |
| CN111085909B (en) * | 2019-11-29 | 2022-03-15 | 河南航天精工制造有限公司 | Fine adjustment positioning device and centerless grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN HANTIAN SANWO ELECTROMECHANICAL EQUIPMENT CO Free format text: FORMER OWNER: NO.44 INSTITUTE OF CHINA ACADEMY OF LAUNCH VEHICLE TECHNOLOGY Effective date: 20140326 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710025 XI'AN, SHAANXI PROVINCE TO: 710072 XI'AN, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140326 Address after: 710072, Shaanxi, Xi'an Aerospace base, 59 Aerospace Avenue, Golden Lotus building, room 1003 Patentee after: XI'AN AEROSPACE SANWO ELECTROMECHANICAL EQUIPMENT CO., LTD. Address before: Qingzhen District of Baqiao city of Xi'an province Shaanxi Hong Tian 710025 King Street No. 1. Patentee before: No.44 Institute of China Academy of Launch Vehicle Technology |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |