CN204330503U - A kind of two station strain gauge load cell creep loading device for testing - Google Patents

A kind of two station strain gauge load cell creep loading device for testing Download PDF

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Publication number
CN204330503U
CN204330503U CN201520036468.6U CN201520036468U CN204330503U CN 204330503 U CN204330503 U CN 204330503U CN 201520036468 U CN201520036468 U CN 201520036468U CN 204330503 U CN204330503 U CN 204330503U
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CN
China
Prior art keywords
loading
strain gauge
load cell
gauge load
plate
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Application number
CN201520036468.6U
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Chinese (zh)
Inventor
于腾飞
徐涛
阚煜川
胡敏
王晓坤
邵勇猛
许文超
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安徽理工大学
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Priority to CN201520036468.6U priority Critical patent/CN204330503U/en
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Publication of CN204330503U publication Critical patent/CN204330503U/en

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Abstract

The utility model discloses a kind of two station strain gauge load cell creep loading devices, comprise upper mounting plate, bracing frame, the first loading chain, the second loading chain, strain gauge load cell, whirligig, display screen, weighted platform, stand, described whirligig connects driving gear by motor, by engagement follower gear, drive the rotation of loading bench pallet, realize the station change of strain gauge load cell on loading bench pallet, the utility model adopts two stations loading chains to carry out loading and testing simultaneously, improves testing efficiency; Meanwhile, by the loading bench around central rotation, realize loading chain to the uninterrupted continuance test of strain gauge load cell, improve testing efficiency, reduce test period, reduce artificially on the impact loading chain in addition, improve precision, thus improve efficiency and the accuracy of creep test.

Description

A kind of two station strain gauge load cell creep loading device for testing
Technical field
The utility model relates to a kind of two station strain gauge load cell creep loading device for testing, comprises two loading chains synchronously loaded, around the loading bench of central rotation, belongs to the innovation in creep proving installation field.
Background technology
Strain gauge load cell, is mainly used in engineering dynamometry and Weighing.Strain gauge load cell is the main devices manufacturing various electronic scale, and the precision height of this sensor directly affects the quality of electronic scale.In the performance parameter of strain gauge load cell, the croop property parameter of strain gauge load cell directly has influence on the index such as measurement accuracy, measuring accuracy.Therefore, the detection of LOAD CELLS croop property has very important meaning to LOAD CELLS.In actual production, the detection of the croop property of LOAD CELLS also comprises instantaneous back to zero, and these two indexs can complete in a creep test process.
In the test of traditional strain gauge load cell croop property, disposablely can only load a LOAD CELLS, and LOAD CELLS can not realize automatic input and output, the staff of configuration is many, and production efficiency is low.In order to overcome the defect of existing strain gauge load cell creep test, there has been proposed the system that the creep of design LOAD CELLS automatically loads and tests, to enhance productivity, meanwhile, increasing the accuracy of test.As being disclose a kind of multi-head electronic formula high-temerature creep permanent strength testing machine in 201110443493.2 in Chinese Patent Application No., the frame of this technical scheme is provided with two or more for retraining the stretching coupling arrangement of sample, each stretching coupling arrangement of this testing machine independently controls, and can carry out lasting or creep test respectively.Carry out though this technical scheme can realize multiple creep test simultaneously, when the quantity of stretching coupling arrangement is more, just need many people to have coordinated test, increase personnel, lower efficiency, so technical scheme also exists technological deficiency.Exceed the technical scheme of the bull creep testing experiment machine that above-mentioned patent provides, seldom relate to the technical scheme adopting multistation creep loading proving installation.
The utility model discloses a kind of two station strain gauge load cell creep loading device for testing, two stations are tested simultaneously, effectively can improve the efficiency of test strain gauge load cell, simultaneously, by the loading bench around central rotation, realize loading chain to the uninterrupted continuance test of strain gauge load cell, improve testing efficiency, reduce test period.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, a kind of two station strain gauge load cell creep loading device for testing are provided, the loading test job of strain gauge load cell is synchronously carried out by two stations, simultaneously, by the loading bench around central rotation, realize loading chain to strain gauge load cell follow-on test, improve testing efficiency, reduce test period.
Technical problem to be solved in the utility model realizes by the following technical solutions.
A device for two station strain gauge load cell creep loading, creep loading proving installation of the present utility model comprises upper mounting plate, bracing frame, first loads chain, second and loads chain, strain gauge load cell, whirligig, display screen, weighted platform, stand.Described first loads chain, the second loading chain structure is identical, is all hingedly mounted on upper mounting plate; Described whirligig is arranged on weighted platform; Described weighted platform is arranged in stand; Described bracing frame is used for connecting upper mounting plate and weighted platform, meanwhile, can be used for installing display screen; Described display screen is provided with button, can control and record loading test; Described strain gauge load cell comprises I, II, III, IV strain gauge load cell; Described strain gauge load cell has certain testing range.
Described first loads chain comprises tension compression bidirectional cylinder, upper junction plate, lower connecting plate, measuring head, counterweight connecting link, test counterweight; Described tension compression bidirectional cylinder upper end thereof is arranged on upper mounting plate, and lower end is hingedly mounted on upper junction plate; Described upper junction plate and lower connecting plate are bolted; Described measuring head is arranged on lower connecting plate by bolt; The upper end of described counterweight connecting link is arranged on lower connecting plate by bolt; Described test counterweight is arranged on the lower end of counterweight connecting link.
Described whirligig comprises driving gear, follower gear, upper rotating plate, thrust ball bearing, loading bench pallet, drive motor; Described weighted platform is provided with motor base, for installing drive motor; Described weighted platform is provided with circular hole, for passing of counterweight connecting link; Described weighted platform is provided with ring-shaped guide rail; Described loading bench pallet is welded on upper rotating plate; Described thrust ball bearing is arranged on ring-shaped guide rail, and described upper rotating plate is arranged on thrust ball bearing; Described follower gear is fixedly connected with upper rotating plate by bearing pin, and described follower gear is connected with driving gear by gears meshing; Described loading bench pallet is provided with fixture, and described fixture comprises fixture and lower clamp, for the location to strain gauge load cell.
In use, staff stands in the side of weighted platform, one group of strain gauge load cell is fixed on after on weighted platform by upper fixture and lower clamp, then under the control of whirligig, rotate to loading chain place, load chain and second by first and load the test that chain carries out related fields, simultaneously, another group strain gauge load cell is arranged on and is fixed on weighted platform by upper fixture and lower clamp by staff, to be tested complete after, again by under the control of whirligig, loading bench pallet half-twist, thus the staff place first group of strain gauge load cell rotated to handling, unloading again to first group of strain gauge load cell and installation is completed by staff, while dismounting, first loads chain and second loads chain to the test carrying out another group strain gauge load cell, after it has been tested, rotate handling again, circulate with this.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model adopts two stations to load test simultaneously, and not only automaticity is high, and effectively realizes cutting payroll to improve efficiency, after the device of the loading test adopting the utility model to provide, consuming time short, for convenience detach, efficiency is high, and when the test duration is certain, day output significantly improves;
(2) the utility model adopts and realizes loading chain to the uninterrupted continuance test of strain gauge load cell around the loading bench of central rotation and whirligig, thus improve the efficiency of creep test, reduce test period, after using the utility model in addition, the installation and removal efficiency of test significantly improves, and reduce artificially on the impact loading chain, improve precision;
(3) system of the present utility model is simple, and maintenance cost is low, can carry out promotion and application widely.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is the of the present utility model first structural representation loading chain;
Fig. 3 is the structural representation of weighted platform of the present utility model;
Fig. 4 is the structural representation of whirligig of the present utility model;
Fig. 5 is the detonation configuration schematic diagram of whirligig of the present utility model;
Fig. 6 is the partial structurtes schematic diagram of whirligig of the present utility model;
Fig. 7 is the structural representation of loading station of the present utility model change.
In figure: 1. upper mounting plate; 2. bracing frame; 3. first load chain; 4. second load chain; 5. strain gauge load cell; 6. whirligig; 7. display screen; 8. weighted platform; 9. stand; 301. tension compression bidirectional cylinders; 302. upper junction plate; 303. lower connecting plate; 304. measuring head; 305. counterweight connecting links; 306. test counterweights; 601. driving gear; 602. follower gear; 603. upper rotating plate; 604. thrust ball bearing; 605. loading bench pallets; 606. drive motor; 801. motor base; 802. circular hole; 803. ring-shaped guide rail.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment and diagram, setting forth the utility model further.
Below in conjunction with accompanying drawing, creep loading device for testing of the present utility model is specifically described.
With reference to Fig. 1, a device for two station strain gauge load cell creep loading, creep loading proving installation of the present utility model comprises upper mounting plate 1, bracing frame 2, first loads chain 3, second and loads chain 4, strain gauge load cell 5, whirligig 6, display screen 7, weighted platform 8, stand 9.It is identical that the first described loading chain 3, second loads chain 4 structure, is all hingedly mounted on upper mounting plate 1; Described whirligig 6 is arranged on weighted platform 8; Described weighted platform 8 is arranged in stand 9; Described bracing frame 2 is used for connecting upper mounting plate 1 and weighted platform 8, meanwhile, can be used for installing display screen 7; Described display screen 7 is provided with button, can control and record loading test; Described strain gauge load cell comprises I, II, III, IV strain gauge load cell 5; Described strain gauge load cell 5 has certain testing range.
With reference to Fig. 2, described first loads chain 3 comprises tension compression bidirectional cylinder 301, upper junction plate 302, lower connecting plate 303, measuring head 304, counterweight connecting link 305, test counterweight 306; Described tension compression bidirectional cylinder 301 upper end thereof is arranged on upper mounting plate 1, and lower end is hingedly mounted on upper junction plate 302; Described upper junction plate 302 and lower connecting plate 303 are bolted; Described measuring head 304 is arranged on lower connecting plate 303 by bolt; The upper end of described counterweight connecting link 305 is arranged on lower connecting plate 303 by bolt; Described test counterweight 306 is arranged on the lower end of counterweight connecting link 305.
With reference to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, described whirligig 6 comprises driving gear 601, follower gear 602, upper rotating plate 603, thrust ball bearing 604, loading bench pallet 605, drive motor 606; Described weighted platform 8 is provided with motor base 801, for installing drive motor 606; Described weighted platform 8 is provided with circular hole 802, for passing of counterweight connecting link 305; Described weighted platform 8 is provided with ring-shaped guide rail 803; Described loading bench pallet 605 is welded on upper rotating plate 603; Described thrust ball bearing 604 is arranged on ring-shaped guide rail 803, and described upper rotating plate 603 is arranged on thrust ball bearing 604; Described follower gear is fixedly connected with upper rotating plate 603 by bearing pin, and described follower gear 602 is connected with driving gear 601 by gears meshing; Described loading bench pallet 605 is provided with fixture, and described fixture comprises fixture 607 and lower clamp 608, for the location to strain gauge load cell 7.
With reference to Fig. 7, in use, staff stands in the side of weighted platform 8, by strain gauge load cell 5 at station I and station III place, be fixed on after on weighted platform 8 by upper fixture 607 and lower clamp 608, then under the control of whirligig 6, rotate to loading chain place, load chain 3 and second by first and load the test that chain 4 carries out related fields, simultaneously, strain gauge load cell 5 is arranged on station II and station IV place by staff, be fixed on after on weighted platform 8 by upper fixture 607 and lower clamp 608, to be tested complete after, under control by whirligig 6, loading bench pallet 605 half-twist, thus the staff place strain gauge load cell 5 at station I and station III place rotated to handling, unloading again to strain gauge load cell 5 and installation is completed by staff, while handling, first the carrying out loading the strain gauge load cell 5 of chain 3 and second loading chain 4 couples of station II and station IV is tested, after it has been tested, rotate handling again, with this periodic duty.
More than show and describe ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (2)

1. a station strain gauge load cell creep loading device for testing, comprise upper mounting plate, bracing frame, the first loading chain, the second loading chain, strain gauge load cell, whirligig, display screen, weighted platform, stand, described first loads chain, the second loading chain structure is identical, all be hingedly mounted on upper mounting plate, described whirligig is arranged on weighted platform; Described weighted platform is arranged in stand; Described strain gauge load cell comprises I, II, III, IV strain gauge load cell, it is characterized in that: described whirligig comprises driving gear, follower gear, upper rotating plate, thrust ball bearing, loading bench pallet, drive motor; Described weighted platform is provided with motor base; Described weighted platform is provided with circular hole; Described weighted platform is provided with ring-shaped guide rail; Described loading bench pallet is welded on upper rotating plate; Described thrust ball bearing is arranged on ring-shaped guide rail, and described upper rotating plate is arranged on thrust ball bearing; Described follower gear is fixedly connected with upper rotating plate by bearing pin, and described follower gear is connected with driving gear by gears meshing; Described loading bench pallet is provided with fixture.
2. a kind of two station strain gauge load cell creep loading device for testing according to claim 1, is characterized in that: described first loads chain comprises tension compression bidirectional cylinder, upper junction plate, lower connecting plate, measuring head, counterweight connecting link, test counterweight; Described tension compression bidirectional cylinder upper end thereof is arranged on upper mounting plate, and lower end is hingedly mounted on upper junction plate; Described upper junction plate and lower connecting plate are bolted; Described measuring head is arranged on lower connecting plate by bolt; The upper end of described counterweight connecting link is arranged on lower connecting plate by bolt; Described test counterweight is arranged on the lower end of counterweight connecting link.
CN201520036468.6U 2015-01-19 2015-01-19 A kind of two station strain gauge load cell creep loading device for testing CN204330503U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106248299A (en) * 2016-07-11 2016-12-21 上海卫星装备研究所 A kind of based on multi-dimensional force barycenter test system
CN107543752A (en) * 2017-08-14 2018-01-05 上海理工大学 Nano-hardness tester special fixture
CN109612853A (en) * 2018-11-26 2019-04-12 深圳市华星光电技术有限公司 Compression test device and its test method
CN111397705A (en) * 2020-04-07 2020-07-10 深圳市坤同智能仓储科技有限公司 Creep compensation method and device for anti-shake of weighing sensor and storage medium
CN111397705B (en) * 2020-04-07 2021-03-16 深圳市坤同智能仓储科技有限公司 Creep compensation method and device for anti-shake of weighing sensor and storage medium

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106248299A (en) * 2016-07-11 2016-12-21 上海卫星装备研究所 A kind of based on multi-dimensional force barycenter test system
CN106248299B (en) * 2016-07-11 2019-01-18 上海卫星装备研究所 One kind being based on multi-dimensional force mass center test macro
CN107543752A (en) * 2017-08-14 2018-01-05 上海理工大学 Nano-hardness tester special fixture
CN107543752B (en) * 2017-08-14 2020-07-17 上海理工大学 Special fixture for nano-indentation instrument
CN109612853A (en) * 2018-11-26 2019-04-12 深圳市华星光电技术有限公司 Compression test device and its test method
CN111397705A (en) * 2020-04-07 2020-07-10 深圳市坤同智能仓储科技有限公司 Creep compensation method and device for anti-shake of weighing sensor and storage medium
CN111397705B (en) * 2020-04-07 2021-03-16 深圳市坤同智能仓储科技有限公司 Creep compensation method and device for anti-shake of weighing sensor and storage medium

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150513

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