CN203350132U - Tensile dynamometer for adhesive specimen tests - Google Patents
Tensile dynamometer for adhesive specimen tests Download PDFInfo
- Publication number
- CN203350132U CN203350132U CN 201320452156 CN201320452156U CN203350132U CN 203350132 U CN203350132 U CN 203350132U CN 201320452156 CN201320452156 CN 201320452156 CN 201320452156 U CN201320452156 U CN 201320452156U CN 203350132 U CN203350132 U CN 203350132U
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- dynamometric
- screw mandrel
- screw rod
- dynamometer link
- fixed
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Abstract
The utility model discloses a tensile dynamometer for adhesive specimen tests, which comprises a support, a driving unit, a dynamometric unit and a tested specimen, and the driving unit, the dynamometric unit and the tested specimen are mounted on the support; the driving unit comprises a screw rod, a screw rod nut, a movable trolley and a steel ball, the screw rod nut is mounted on the screw rod, the movable trolley is arranged on a horizontal partition and provided with a test hole, and the steel ball is mounted on the movable trolley; one end of the screw rod is mounted on the peripheral support, the other end of the screw rod is mounted on the horizontal partition through a bearing, one end of the test specimen is fixed on the screw rod nut, and the other end of the test specimen is fixed on the movable trolley; the dynamometric unit comprises a dynamometric rod and four resistance strain gages mounted on the dynamometric rod; the bottom end of the dynamometric rod is fixed on the peripheral support, the top end of the dynamometric rod is extended out of the test hole and is in contact with the steel ball, and the resistance strain gages are connected with a peripheral computer through signal cables. The data measured by the tensile dynamometer can be conveniently acquired and processed by the computer later, the precision of measurement is high, operation is convenient, and the manufacturing cost is low.
Description
Technical field
The utility model relates to a kind of tension load cell, is specifically related to a kind of tension load cell for the tackifier sample testing.
Background technology
With the plain metal tensile sample, compare, the tackifier tensile sample has the characteristic of property that stress is little, strain is large, and does not also have special tension load cell to complete the test of the stress-strain property of tackifier sample at present.
Selecting of the design of dynamometer and part material should be followed following principle:
(1) design of dynamometer must meet functional requirement and the accuracy requirement that the consigner proposes, and meets the regulation of national standard " tackifier tensile shear strength assay method ".
(2) due to dynamometer may long-term work under higher temperature and humidity condition, should select the material that corrosion resistance is stronger to make as far as possible, avoid rust corrosion to affect measuring accuracy.
(3) measurement data should be convenient to subsequent calculations machine acquisition and processing.
(4) operation of dynamometer use should be convenient and swift, and manufacturing cost is lower.
The utility model content
The deficiency existed for prior art, the utility model purpose is to provide a kind of tension load cell for the tackifier sample testing, and the data that measure are convenient to the acquisition and processing of subsequent calculations machine, and measuring accuracy is high, easy to operate, low cost of manufacture.
To achieve these goals, the utility model is to realize by the following technical solutions:
The utility model comprises support and rack-mount gearing, device for measuring force and test sample; Support comprises peripheral frame and is arranged on the horizontal baffle of peripheral frame inside; Gearing comprises screw mandrel, be arranged on feed screw nut on screw mandrel, be arranged on horizontal baffle and with the billy gate of instrument connection be arranged on the steel ball on billy gate; Screw mandrel one end is arranged on peripheral frame, and the other end of screw mandrel is arranged on horizontal baffle by bearing, and it is upper that test sample one end is fixed on the feed screw nut, and the test sample other end is fixed on billy gate; Device for measuring force comprises dynamometer link and is arranged on four sheet resistance foil gauges on dynamometer link; The dynamometer link bottom is fixed on peripheral frame, and the dynamometer link top is stretched out and contacted with steel ball from instrument connection, and resistance strain gage is connected with peripheral computing machine by signal wire.
Above-mentioned resistance strain gage is arranged on the root of dynamometer link.
Above-mentioned screw mandrel and dynamometer link are all selected corrosion resistant material.
The data that the utility model measures are convenient to the acquisition and processing of subsequent calculations machine, and measuring accuracy is high, easy to operate, low cost of manufacture; Because screw mandrel and dynamometer link are all selected the material that corrosion resistance is stronger and are made, thereby, the precision of having avoided the rust corrosion impact to measure.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Each label in figure: 1, screw mandrel, 2, the feed screw nut, 3, test sample, 4, horizontal baffle, 5, steel ball, 6, billy gate, 7, dynamometer link, 8, resistance strain gage, 9, peripheral frame, 10, signal wire.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1, the utility model comprises support and rack-mount gearing, device for measuring force and test sample 3.
Wherein, support comprises peripheral frame 9 and the horizontal baffle 4 that is arranged on peripheral frame 9 inside.
Wherein, gearing comprises screw mandrel 1, is arranged on feed screw nut 2 on screw mandrel 1, is positioned at horizontal baffle 4 right sides and with the billy gate 6 of instrument connection be arranged on the steel ball 5 on billy gate 6.
The left end of screw mandrel 1 is arranged on peripheral frame 9, the right-hand member of screw mandrel 1 is arranged on fixed mount in the middle of horizontal baffle 4 (in figure not label) by bearing (in figure not label), the left end of test sample 3 is fixed on feed screw nut 2, and the right-hand member of test sample 3 is fixed on billy gate 6.
Wherein, device for measuring force comprises dynamometer link 7 and four sheet resistance foil gauges 8, and resistance strain gage 8 is arranged on the root both sides of dynamometer link 7, and resistance strain gage 8 is connected with peripheral computing machine by signal wire 10.The strain signal of signal wire 10 outputs peripheral computing machine of input after amplifying is processed.
The bottom of dynamometer link 7 is fixed on the bottom of peripheral frame 9, stretch out from instrument connection on the top of dynamometer link 7, the right flank of dynamometer link 7 contacts with the steel ball 5 on billy gate 6, form the stress form of semi-girder (in the situation that acting force is identical, the cantilever force form can obtain larger elastic deformation at dynamometer link 7 roots), four sheet resistance foil gauges 8 form the Hui Sitong full-bridge circuit in order to measure the elastic deformation amount of dynamometer link 7.
The temperature and humidity of considering screw mandrel 1 working environment is higher, for avoiding corrosion, affects measuring accuracy of the present utility model, the anti-oxidant and stronger ferrite type stainless steel of corrosivity of screw mandrel 1 material selection.
The working environment of dynamometer link 7 is identical with screw mandrel 1, also may under higher temperature and humidity conditions, work for a long time, also should select the material that corrosion resistance is stronger.
Principle of work of the present utility model is as follows:
By regulating screw mandrel 1, screw mandrel 1 is rotated, feed screw nut's 2 levels on screw mandrel 1 of driving, to left movement (be about to rotatablely move change into rectilinear motion), are carried out the horizontal stretch loading to test sample 3; Like this, the acting force on test sample 3 is delivered on dynamometer link 7 through billy gate 6.
Billy gate 6 can move flexibly on horizontal baffle 4, because the friction factor of dolly is very little, therefore can think that the stretching action power on test sample 3 will all be delivered on dynamometer link 7, both sizes are identical, resistance strain gage 8 is connected with peripheral computing machine by signal wire 10, and the strain signal of signal wire 10 outputs peripheral computing machine of input after amplifying is processed.
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the tension load cell for the tackifier sample testing, is characterized in that, comprises support and rack-mount gearing, device for measuring force and test sample (3);
Described support comprises peripheral frame (9) and is arranged on the inner horizontal baffle (4) of peripheral frame (9);
Described gearing comprises screw mandrel (1), be arranged on feed screw nut (2) on screw mandrel (1), to be arranged on horizontal baffle (4) upper and with the billy gate (6) of instrument connection be arranged on the steel ball (5) on billy gate (6);
Described screw mandrel (1) one end is arranged on peripheral frame (9), the other end of screw mandrel (1) is arranged on horizontal baffle (4) by bearing, it is upper that described test sample (3) one ends are fixed on feed screw nut (2), and test sample (3) other end is fixed on billy gate (6);
Described device for measuring force comprises dynamometer link (7) and is arranged on four sheet resistance foil gauges (8) on dynamometer link (7);
It is upper that described dynamometer link (7) bottom is fixed on peripheral frame (9), and dynamometer link (7) top is stretched out and contacted with steel ball (5) from instrument connection, and described resistance strain gage (8) is connected with peripheral computing machine by signal wire (10).
2. the tension load cell for the tackifier sample testing according to claim 1, is characterized in that,
Described resistance strain gage (8) is arranged on the root of dynamometer link (7).
3. the tension load cell for the tackifier sample testing according to claim 1 and 2, is characterized in that,
Described screw mandrel (1) and dynamometer link (7) are all selected corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452156 CN203350132U (en) | 2013-07-29 | 2013-07-29 | Tensile dynamometer for adhesive specimen tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452156 CN203350132U (en) | 2013-07-29 | 2013-07-29 | Tensile dynamometer for adhesive specimen tests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203350132U true CN203350132U (en) | 2013-12-18 |
Family
ID=49750016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320452156 Expired - Fee Related CN203350132U (en) | 2013-07-29 | 2013-07-29 | Tensile dynamometer for adhesive specimen tests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203350132U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716839A (en) * | 2014-12-03 | 2016-06-29 | 中国直升机设计研究所 | Anti-twist device for rotor hub attachment fatigue test |
| CN108195670A (en) * | 2017-11-22 | 2018-06-22 | 长沙双合盛企业管理有限公司 | A kind of building tubing sections strength testing device |
| CN109540664A (en) * | 2018-10-31 | 2019-03-29 | 陕西航空电气有限责任公司 | Detection method for brittleness band elongation after fracture |
-
2013
- 2013-07-29 CN CN 201320452156 patent/CN203350132U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716839A (en) * | 2014-12-03 | 2016-06-29 | 中国直升机设计研究所 | Anti-twist device for rotor hub attachment fatigue test |
| CN108195670A (en) * | 2017-11-22 | 2018-06-22 | 长沙双合盛企业管理有限公司 | A kind of building tubing sections strength testing device |
| CN109540664A (en) * | 2018-10-31 | 2019-03-29 | 陕西航空电气有限责任公司 | Detection method for brittleness band elongation after fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140729 |
|
| EXPY | Termination of patent right or utility model |