CN207540877U - A kind of resistance-type strain extensometer fixing device for measuring test specimen strain - Google Patents

A kind of resistance-type strain extensometer fixing device for measuring test specimen strain Download PDF

Info

Publication number
CN207540877U
CN207540877U CN201721647899.1U CN201721647899U CN207540877U CN 207540877 U CN207540877 U CN 207540877U CN 201721647899 U CN201721647899 U CN 201721647899U CN 207540877 U CN207540877 U CN 207540877U
Authority
CN
China
Prior art keywords
traveling wheel
support plate
walker
strain
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721647899.1U
Other languages
Chinese (zh)
Inventor
杨召通
郭森
孟园英
朱佰贺
孙延飞
聂杨明
郭元凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changan University
Original Assignee
Changan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changan University filed Critical Changan University
Priority to CN201721647899.1U priority Critical patent/CN207540877U/en
Application granted granted Critical
Publication of CN207540877U publication Critical patent/CN207540877U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to strain extensometer fixed network, a kind of resistance-type strain extensometer fixing device for measuring test specimen strain is specifically disclosed, including support plate, deformeter connecting plate, walker, traveling wheel, walker fixed mechanism and support plate fixation mechanism;The support plate is connected with support plate fixation mechanism;The guide channel to move along a straight line for traveling wheel is provided in support plate, traveling wheel is located in guide channel, and walker is provided on traveling wheel, deformeter connecting plate is provided on walker;Walker is fixed by walker fixed mechanism with support plate.The utility model fixing device can be fixed on extensometer is strained on walker by deformeter connecting plate, traveling wheel is provided with below walker, traveling wheel can move along a straight line, take strain extensometer to suitable position, walker fixed mechanism again fixes walker and support plate after traveling wheel moves to suitable position, support plate is fixed by support plate fixation mechanism, it is ensured that the stabilization of entire fixing device.

Description

A kind of resistance-type strain extensometer fixing device for measuring test specimen strain
Technical field
The utility model belongs to strain extensometer fixed network, and specially a kind of resistance-type strain for measuring test specimen strain is drawn Stretch meter fixing device.
Background technology
In order to obtain test specimen elastic modulus change situation after the Frozen-thawed cycled that experienced different numbers under laboratory condition, Pressure experiment is carried out to various sizes of test block using universal testing machine, elasticity modulus is further obtained by stress-strain relation Change situation.
But current use for laboratory in the effect that reaches of device of fixed resistance formula strain extensometer be it is undesirable, During the experiment by the fixation of spring and the simple combination of rubber band, extensometer is after test specimen loading procedure and crack progressing Easily displacement even comes off, and such case has seriously affected the accuracy of experimental result, does not meet requirement of experiment.
Utility model content
For problems of the prior art, the utility model provides a kind of resistance-type strain for measuring test specimen strain and draws Meter fixing device is stretched, adjusts and fixes strain extensometer, ensure that the accuracy of measurement result.
The utility model is to be achieved through the following technical solutions:
A kind of resistance-type strain extensometer fixing device for measuring test specimen strain, which is characterized in that including support plate, strain Instrument connecting plate, walker, traveling wheel, walker fixed mechanism and support plate fixation mechanism;The support plate is connected with support plate Fixed mechanism;The guide channel to move along a straight line for traveling wheel is provided in support plate, traveling wheel is located in guide channel, on traveling wheel Walker is provided with, the deformeter connecting plate for installing strain extensometer is provided on walker;Walker passes through walker Fixed mechanism is fixed with support plate.
The support plate fixation mechanism is included not in collinear at least three extending foot, and extending foot includes flexible Supporting rod and supporting rod connecting plate;Telescopic supporting rod one end connects support plate, other end connection support bar connecting plate;Supporting rod connects Connecting hole is provided on fishplate bar.
The both sides of the traveling wheel direction of motion are respectively arranged with traveling wheel side plate, are provided between two traveling wheel side plates Across the traveling wheel kinematic axis at traveling wheel center;The end face of traveling wheel connecting plate is both connected to above two traveling wheel side plates, The other end of traveling wheel connecting plate is connected on walker.
The walker fixed mechanism includes fixed plate and fixing piece;Fixing piece one end is connected in fixed plate, the other end Traveling wheel connecting plate is connected to across support plate.
The side rectangular channel moved for fixing piece along the traveling wheel direction of motion is provided in the support plate.
The handle for moving fixed plate is provided in the fixed plate.
The fixing piece is bolt.
The deformeter for connecting fixed strain extensometer and deformeter connecting plate is provided on the deformeter connecting plate Connector.
The support plate is made of wooden rectangular slab.
Compared with prior art, the utility model has technique effect beneficial below:
The utility model fixing device can be fixed on extensometer is strained on walker by deformeter connecting plate, is walked Traveling wheel is provided with below frame, traveling wheel can move along a straight line, and take strain extensometer to suitable position, walker is fixed Walker and support plate are again fixed after traveling wheel moves to suitable position by mechanism, and support plate is consolidated by support plate fixation mechanism It is fixed, it is ensured that the stabilization of entire fixing device.
Further, the support plate fixation mechanism of the utility model is included not in collinear at least three flexible branch Bar, telescopic strut include telescoping tube and telescoping tube connecting plate;Telescoping tube one end connects support plate, other end connection telescoping tube connection Plate;Connecting hole is provided on telescoping tube connecting plate;Telescopic strut adjusts the height of support plate by telescoping tube, meets different height The measurement demand of test specimen;Telescoping tube connecting plate can be connected to a fixed position, Jin Ergu by the connecting hole on telescoping tube connecting plate Determine support plate.
Further, the traveling wheel of the utility model passes through two traveling wheel side plates, a traveling wheel movement with walker Axis and a traveling wheel connecting plate connection so that connection is more firm, and movement is more accurate.
Further, the walker fixed mechanism of the utility model includes fixed plate and fixing piece;Fixed plate setting is expert at It walks to take turns the side of the direction of motion, fixing piece one end is connected in fixed plate, and the other end is connected to across support plate on traveling wheel;Gu Being applied in combination for fixed board and fixing piece, walker can be fixed, satisfy the use demand.
Further, it is provided with the side moved for fixing piece along the traveling wheel direction of motion in the support plate of the utility model Rectangular channel, the use of rectangular channel cause fixing piece that can only be moved in slot so that kinematic mount is more stablized, and is not easy; And the adjustment of fixed position is more convenient, accurately, can be fixed on any position in slot.
Further, the handle for moving fixed plate is provided in the fixed plate of the utility model, the setting of handle makes The adjusting for obtaining fixed plate is more convenient, fast, more efficient.
Further, the fixing piece of the utility model is bolt;Bolt is easy to use, swift to operate.
Further, it is provided on the deformeter connecting plate of the utility model and connects for connecting strain extensometer with deformeter The deformeter connector of fishplate bar;The use of deformeter connector disclosure satisfy that a variety of strain extensometers and deformeter connecting plate Connect occasion.
Further, the support plate of the utility model is made of wooden rectangular slab, and wood based panel makes efficient, user Just.
Description of the drawings
Fig. 1 is the utility model overall structural arrangement figure;
Fig. 2 is the utility model structure diagram;
Fig. 3 is the utility model supporting plate structure schematic diagram;
Fig. 4 is the utility model support plate and support plate fixation mechanism connection diagram;
Fig. 5 is the utility model surface drilling schematic diagram;
Fig. 6 strains extensometer scheme of installation for the utility model;
Fig. 7 is the utility model flexible pipe structure schematic diagram;
Fig. 8 is the utility model walker fixed mechanism structure diagram;;
Fig. 9 is the utility model traveling wheel structure diagram.
In figure:1 is strain extensometer;2 be guide channel;3 be support plate;4 be handle;5 be supporting rod connecting plate;6 is stretch Contracting supporting rod;7 be connecting hole;8 be ground;9 be threaded sleeve;10 be fixed plate;11 be fixing piece;12 be traveling wheel;13 For traveling wheel side plate;14 traveling wheel connecting plates;15 be connecting plate fixing groove;16 be walker;17 be deformeter connector;18 For deformeter connecting plate;19 be side rectangular channel;20 be power cord;21 be display;22 universal testing machines;23 test blocks;24 supports Platform.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and It is not to limit.
Referring to Fig. 1-9, a kind of resistance-type strain extensometer fixing device for measuring test specimen strain, which is characterized in that including Support plate 3, deformeter connecting plate 18, walker 16, traveling wheel 12, walker fixed mechanism and support plate fixation mechanism;It is described Support plate 3 is connected with support plate fixation mechanism;The guide channel 2 to move along a straight line for traveling wheel 12 is provided in support plate 3, is walked Wheel 12 is located in guide channel 2, and walker 16 is provided on traveling wheel 12, is provided with to install strain extensometer on walker 16 Deformeter connecting plate 18;Walker 16 is fixed by walker fixed mechanism and support plate 3.
The support plate fixation mechanism is included not in collinear at least three extending foot, and extending foot includes flexible Supporting rod 6 and supporting rod connecting plate 5;6 one end of telescopic supporting rod connects support plate 3, other end connection support bar connecting plate 5;Branch Connecting hole is provided on strut connecting plate 5.
The both sides of 12 direction of motion of traveling wheel are respectively arranged with traveling wheel side plate 13, between two traveling wheel side plates 13 It is provided through the traveling wheel kinematic axis at 12 center of traveling wheel;Two 13 tops of traveling wheel side plate are both connected to traveling wheel connecting plate 14 end face, the other end of traveling wheel connecting plate 14 are connected on walker 16.
The walker fixed mechanism includes fixed plate 10 and fixing piece 11;11 one end of fixing piece is connected to fixed plate 10 On, the other end is connected to traveling wheel connecting plate 14 across support plate 3.The walker fixed mechanism includes fixed plate 10 and fixes Part 11;Fixed plate 11 is arranged on 12 top of traveling wheel and is linked with 14 used rivet of traveling wheel connecting plate, is inserted in side rectangular channel 19 In fixing piece 11 be bolted in fixed plate 10 across support plate 3.Strain tens(i)ometer 1 is determined according to sample dimensions It postpones and is fixed the position of fixed plate 10, walker 16, deformeter connecting plate 18 by connecting plate fixing groove 15 with bolt.
The side rectangular channel 19 moved for fixing piece 11 along 12 direction of motion of traveling wheel is provided in the support plate 3.
The handle 4 for moving fixed plate 10 is provided in the fixed plate 10.
The fixing piece 11 is bolt.
Being provided on the deformeter connecting plate 18 should for connect fixed strain extensometer 1 and deformeter connecting plate 18 Become instrument connector 17.
A kind of strain comprising fixing device is extended measuring device, which is characterized in that including strain extensometer 1, display 21st, support plate 3, deformeter connecting plate 18, walker 16, traveling wheel 12, walker fixed mechanism and support plate fixation mechanism;Institute It states support plate 3 and is connected with support plate fixation mechanism;The guide channel 2 to move along a straight line for traveling wheel 12 is provided in support plate 3, row It walks wheel 12 to be located in guide channel 2, walker 16 is provided on traveling wheel 12, deformeter connecting plate 14 is provided on walker 16; Strain extensometer 1 is connected on deformeter connecting plate 14;Display 21 is connected on the strain extensometer 1.
The strain extensometer 1 strains extensometer for resistance-type.
This fixing device solve well test block add every 50KN press through journey when display display strain 10-15 it Between when strain gauge sliding the problem of causing strain measurement inaccurate, reduce the unstability of experimentation, make the entirely company of experiment Coherence is guaranteed.
When running gear set by the present apparatus solves different size test blocks experiment strain gauge with test specimen exposure level not Manageable problem.
The present apparatus can work independently when arrangement is poised for battle in test specimen both sides, when solving existing fixing device both sides and being arranged symmetrically A side position changing of the relative positions tests the phenomenon that failing to strain gauge when secondary during the experiment.
The utility model fixture structure is simple, clear thinking, working efficiency are high, low cost and manufacture difficulty is low, makes With facility, the resistance-type extensometer technical barrier that displacement even comes off during experiment can be effectively solved.
Support plate 3 is using platform of the wooden rectangular slab as fixed resistance formula strain extensometer, in rectangular slab long side both sides Opening the rectangular channel of certain depth enables the strain extensometer connecting plate 18 of fixed extensometer to have enough working spaces, and in wood The guide channel 2 of rectangular channel and mobile strain gauge is opened on plate.Strain extensometer both sides are being fixed apart from rectangular channel both sides certain distance The narrow slot of the placement bolt of connecting plate.The plank that rectangle fixes strain extensometer connects below by the hollow steel pipe of variable-length It connects, in order to carry out leveling to fixed platform.
Resistance-type strain extensometer 1 is connected on strain extensometer connecting plate 18, and deformeter connector 17 connects with deformeter Fishplate bar 18 connects the main body for forming strain gauge means.Resistance-type strain extensometer is connected by bolt with walker 16, row It walks frame 16 and connects traveling wheel 12 below by traveling wheel connecting plate 14, to ensure to strain extensometer 1 under different sample dimensions Be displaced sideways adaptability, after lateral position determines by the movably lower fixing piece 11 that is inserted in side rectangular channel 19 with Upper junction plate is bolted so as to the position of fixed resistance formula strain extensometer.The rectangle board size of the fixed platform can according to should The model for becoming extensometer 1 is different and customized, and the size of running gear and race is amplified with strain-type and size coordination is advisable.This is solid Determine telescopic supporting rod 6 of the device below by adjustable length, slot in the position ground 8 for installing the device pre-buried threaded Threaded sleeve 9, stent are connected with by supporting rod connecting plate 5.The appearance of the sleeve fixture mechanism it is advantageous solve examination Resistance-type strain extensometer is not easy the problem of fixed during testing.
This experimentation will be fully solved to the fixed effect of resistance-type extensometer by the device designed by this programme In problem, to this kind of experimentation will have good improvement effect, so as to obtain in laboratory conditions it is more accurate Experimental data.
More than content is only to illustrate the technological thought of the utility model, it is impossible to the protection model of the utility model is limited with this Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality Within protection domain with novel claims.

Claims (9)

1. a kind of resistance-type strain extensometer fixing device for measuring test specimen strain, which is characterized in that including support plate (3), answer Become instrument connecting plate (18), walker (16), traveling wheel (12), walker fixed mechanism and support plate fixation mechanism;The support Plate (3) is connected with support plate fixation mechanism;The guide channel (2) to move along a straight line for traveling wheel (12) is provided in support plate (3), Traveling wheel (12) is provided with walker (16), is provided with and is used on walker (16) in guide channel (2) on traveling wheel (12) The deformeter connecting plate (18) of installation strain extensometer;Walker (16) is fixed by walker fixed mechanism and support plate (3).
2. the resistance-type strain extensometer fixing device according to claim 1 for measuring test specimen strain, which is characterized in that institute It states support plate fixation mechanism to include not in collinear at least three extending foot, extending foot includes telescopic supporting rod (6) With supporting rod connecting plate (5);Telescopic supporting rod (6) one end connection support plate (3), other end connection support bar connecting plate (5);Branch Strut connecting plate is provided with connecting hole on (5).
3. the resistance-type strain extensometer fixing device according to claim 1 for measuring test specimen strain, which is characterized in that institute The both sides for stating traveling wheel (12) direction of motion are respectively arranged with traveling wheel side plate (13), are set between two traveling wheel side plates (13) There is the traveling wheel kinematic axis across traveling wheel (12) center;Traveling wheel connecting plate is both connected to above two traveling wheel side plates (13) (14) end face, the other end of traveling wheel connecting plate (14) are connected on walker (16).
4. the resistance-type strain extensometer fixing device according to claim 3 for measuring test specimen strain, which is characterized in that institute It states walker fixed mechanism and includes fixed plate (10) and fixing piece (11);Fixing piece (11) one end is connected in fixed plate (10), The other end is connected to traveling wheel connecting plate (14) across support plate (3).
5. the resistance-type strain extensometer fixing device according to claim 3 for measuring test specimen strain, which is characterized in that institute State the side rectangular channel (19) for being provided in support plate (3) and being moved for fixing piece (11) along traveling wheel (12) direction of motion.
6. the resistance-type strain extensometer fixing device according to claim 3 for measuring test specimen strain, which is characterized in that institute State the handle (4) being provided in fixed plate (10) for moving fixed plate (10).
7. the resistance-type strain extensometer fixing device according to claim 3 for measuring test specimen strain, which is characterized in that institute Fixing piece (11) is stated as bolt.
8. the resistance-type strain extensometer fixing device according to claim 1 for measuring test specimen strain, which is characterized in that institute It states and is provided with to connect fixed strain extensometer (1) and the deformeter of deformeter connecting plate (18) on deformeter connecting plate (18) Connector (17).
9. the resistance-type strain extensometer fixing device according to claim 1 for measuring test specimen strain, which is characterized in that institute It is made of wooden rectangular slab to state support plate (3).
CN201721647899.1U 2017-11-30 2017-11-30 A kind of resistance-type strain extensometer fixing device for measuring test specimen strain Expired - Fee Related CN207540877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721647899.1U CN207540877U (en) 2017-11-30 2017-11-30 A kind of resistance-type strain extensometer fixing device for measuring test specimen strain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721647899.1U CN207540877U (en) 2017-11-30 2017-11-30 A kind of resistance-type strain extensometer fixing device for measuring test specimen strain

Publications (1)

Publication Number Publication Date
CN207540877U true CN207540877U (en) 2018-06-26

Family

ID=62616227

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721647899.1U Expired - Fee Related CN207540877U (en) 2017-11-30 2017-11-30 A kind of resistance-type strain extensometer fixing device for measuring test specimen strain

Country Status (1)

Country Link
CN (1) CN207540877U (en)

Similar Documents

Publication Publication Date Title
CN107356308B (en) A kind of real time water level monitoring device for drainage system
CN207540877U (en) A kind of resistance-type strain extensometer fixing device for measuring test specimen strain
CN206113944U (en) Be used for hydraulic model test slidingtype dipperstick
CN205580854U (en) Anti compression testing machine that rolls over of cement
CN205403766U (en) Raise dust height measurement device
CN105259026A (en) Rebound value testing device
CN107817160A (en) A kind of fixing device of resistance-type strain extensometer and its application
CN209512842U (en) A kind of high-speed rail engineering level measurement device
CN103149092B (en) Drawing device split by multifunctional concrete test specimen
CN202649055U (en) Wood bending strength detecting equipment for structure
CN207649539U (en) A kind of horizontal linear degree measuring device
CN108755356B (en) Area vibrations ground concrete elevation control instrument of making level
US20160282214A1 (en) Inclining Test Equipment
CN104121879B (en) A kind of machine tool guideway measurement apparatus
CN209399988U (en) A kind of Portable measuring device for engineering survey
CN217058551U (en) Telescopic guiding rule for measurement
CN210198365U (en) Novel composite level
CN214843294U (en) Engineering measuring instrument fixed point calibrating device based on many topography usefulness
CN207335606U (en) A kind of measuring instrument
CN207163453U (en) A kind of measuring prism instrument for being integrated with positioner
CN203310381U (en) Device for testing mechanical properties of an electric vehicle charging pile
CN215064548U (en) Surveying, mapping and lofting device
CN212300306U (en) Parallel measurement appearance convenient to use
CN209524245U (en) One kind tests the speed instrument support frame
CN210269994U (en) Ground resistance probe capable of accurately adjusting spacing

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180626

Termination date: 20201130

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