CN204514728U - A kind of liner testing machine - Google Patents

A kind of liner testing machine Download PDF

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Publication number
CN204514728U
CN204514728U CN201520236590.8U CN201520236590U CN204514728U CN 204514728 U CN204514728 U CN 204514728U CN 201520236590 U CN201520236590 U CN 201520236590U CN 204514728 U CN204514728 U CN 204514728U
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CN
China
Prior art keywords
support
rolling guide
fixed
counterweight
rolling
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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
CN201520236590.8U
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Chinese (zh)
Inventor
胡占齐
黄磊
孟晓云
全水峰
王艳宇
李广建
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Yanshan University
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Yanshan University
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Priority to CN201520236590.8U priority Critical patent/CN204514728U/en
Application granted granted Critical
Publication of CN204514728U publication Critical patent/CN204514728U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of liner testing machine, this liner testing machine is made up of loading system and Work platform system, in loading system, handwheel is connected with the right-hand member of ball-screw by shaft coupling, ball-screw is supported in bearing seat, and bearing seat is fixedly mounted on the base plate of rolling guide support; Ball-screw is connected with feed screw nut by threaded engagement, and feed screw nut is fixed on link by end flange, and link is fixed on below weight tray, and counterweight is fixedly mounted on weight tray.Be installed with a pair rolling guide I above counterweight, on each rolling guide I, slidable fit rolling slide block I respectively, and jointly fixedly support fine setting counterweight above two rolling slide blocks I.After adopting this structure, the load mode of this liner testing machine does not need electric energy, and low cost of manufacture improves economic benefit, and can realize the loading of continuous variable load.In addition, the manually mobile fine setting position of counterweight on rolling guide I, can the load that applies test specimen of accurate adjustment testing machine.

Description

A kind of liner testing machine
Technical field
The utility model relates to machinery manufacturing technology field, is specifically related to a kind of liner testing machine.
Background technology
At present, the load mode that present testing machine adopts is that mechanical load, hydraulic loaded or electric cylinder load, wherein mechanical load mainly lever weight loading, this load mode is merely able to the load simulating some simple change, continuous loading (namely can not realize the loading of continually varying loading) can not be realized, and need a dead lift counterweight, waste time and energy; Hydraulic loaded easily causes environmental pollution, and the acquisition of noise to sensor signal produced impacts; It is higher that electric cylinder loads cost, and practical effect also needs further checking.
In prior art, " a kind of contact fatigue test machine loading system " (Chinese patent: 201320772606.8), its load mode is that lever weight loads, this loading system cost is low, load mode safety, do not need a dead lift counterweight, but this load mode is merely able to the load simulating some simple change simultaneously, continuous variable load (i.e. continually varying load) can not be realized and load." a kind of lever electric loading system formula rolling contact fatigue-testing machine " (number of patent application: CN201410246735.2), in its loading system, what adopt is also that lever weight loads, in loading procedure, although the continuous variable load that can realize to a certain degree loads, but when counterweight and the minimum amount of movement of counterweight tray certain, it is to test specimen (in the utility model, test specimen is liner) precision of institute's imposed load can not be ensured well, is only applicable to the loaded condition that load accuracy requirement is not high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of liner testing machine, the loading system cost of this liner testing machine is low, does not need artificial effort carrying counterweight, simultaneously in process of the test, this liner testing machine can not only carry out continuous variable load loading to liner, and the precision loaded is high.
It is as follows that the utility model solves the technical scheme that its technical matters adopts:
A kind of liner testing machine, this testing machine is made up of Work platform system and loading system, it is characterized in that:
In Work platform system, support plate is fixed on base, and support plate is fixedly connected supporting seat above it by four pillars; Pressure head is fixedly installed in the central authorities of supporting seat.
In loading system, motor-driven jack is placed in lifting jack fixed mount, and lifting jack fixed mount is fixed on base lower shoe; The top of motor-driven jack is installed with jacking header frame, is provided with circular hole above jacking header frame, and this circular hole activity is installed with pin shaft II, and pin shaft II is installed with cylinder roller bearing by interference fit.
Handwheel is connected with the right-hand member of ball-screw by shaft coupling, and ball-screw is supported in bearing seat by ball-screw special bearing, and bearing seat is fixedly mounted on the base plate of rolling guide support; Ball-screw is connected with feed screw nut by threaded engagement, and feed screw nut is fixed on link by end flange, and link is fixed on below weight tray, and counterweight is fixedly mounted on weight tray by four counterweight fixed legs and eight nuts; Be installed with a pair rolling guide I above counterweight, on each rolling guide I, slidable fit rolling slide block I respectively, and jointly fixedly support fine setting counterweight above two rolling slide blocks I.
Rolling guide support fixedly mounts a pair rolling guide II, on each rolling guide II, slidable fit rolling slide block II respectively, and two rolling slide block II tops are fixed wtih weight tray jointly.
In the centre of rolling guide support and near left end place, a pair bearing support upper end circular hole is flexibly connected with two circular holes of rolling guide support footing respectively by bearing pin I, and bearing support lower end is fixed on base lower shoe.
Hinge bar two ends respectively by a pair spherical washer and rolling guide support and slide block hinged, and use round nut axial restraint respectively; Be flexibly connected with spherical washer by mating spherical surfaces below connecting rod, top is fixedly connected with pressure transducer erecting frame; Pressure transducer erecting frame fixedly mounts pressure transducer, and the upper end contact of pressure transducer withstands on the below of support flange; Support flange upper end boss and bolster lower end axis hole are fixed on bolster lower end by interference fit, and bolster is through the endoporus of a pair linear bearing, and its upper end is installed with test specimen seat; In addition, a pair linear bearing is fixed in linear bearing support two stomidium respectively by end flange, and linear bearing support is fixed on support plate by flange.
Described rolling guide Bracket setting has five through holes, is conducive to the weight alleviating rolling guide support itself like this, saves material, reduces financial cost.
The beneficial effects of the utility model are: the utility model controls the movement of counterweight on rolling guide support by rotating handwheel, by the own wt of counterweight and lever amplification principle by load applying on test specimen, this load mode does not need electric energy, reduce the manufacturing cost of this testing machine, improve economic benefit; Simultaneously in process of the test, this liner test function carries out continuous variable load loading to liner.In addition, the manually mobile fine setting position of counterweight on rolling guide I, can the load that applies test specimen of accurate adjustment testing machine.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model liner testing machine.
Fig. 2 is the left view of the utility model liner testing machine.
Fig. 3 is the vertical view of the utility model liner testing machine.
Fig. 4 is the structural representation of the utility model liner testing machine loading system.
Fig. 5 is the enlarged drawing corresponding to the place of A shown in Fig. 2.
Fig. 6 is the enlarged drawing corresponding to the place of B shown in Fig. 4.
Fig. 7 is the enlarged drawing corresponding to the place of C shown in Fig. 5.
Fig. 8 is the structural representation of rolling guide support.
In above-mentioned accompanying drawing: 1, base, 2, round nut, 3, spherical washer, 4, rolling guide support, 5, hinge bar, 6, slide block, 7, connecting rod, 8, pressure transducer erecting frame, 9, pressure transducer, 10, supporting seat, 11, pivot flange 12, linear bearing, 13, linear bearing support, 14, back up pad, 15, back shaft, 16, test specimen seat, 17, pressure head, 18, pillar, 19, lifting jack fixed mount, 20, motor-driven jack, 21, bearing pin I, 22, cylinder roller bearing, 23, bearing seat, 24, feed screw nut, 25, link, 26, rolling guide I, 27, rolling slide block I, 28, fine setting counterweight, 29, counterweight, 30, counterweight fixed leg, 31, weight tray, 32, rolling slide block II, 33, rolling guide II, 34, pin shaft II, 35, jacking header frame, 36, ball-screw, 37, shaft coupling, 38, handwheel, 39, bracing frame.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
For sake of convenience, hereinafter alleged "left", "right", " on ", the left and right of D score and accompanying drawing itself, above-below direction unanimously, but does not play restriction effect to structure of the present utility model.Fig. 1, Fig. 2 and Fig. 3 are a kind of liner testing machines disclosed in the utility model.
This liner testing machine is made up of Work platform system and loading system.Wherein, Work platform system comprises base 1, back up pad 14, supporting seat 10 and pillar 18.As shown in Figure 1, support plate 14 is fixed on base 1, and support plate 14 is fixedly connected supporting seat 10 above it by four pillars 18; Pressure head 17 is fixedly installed in the central authorities of supporting seat 10.
Loading system comprises handwheel 38, shaft coupling 37, bearing seat 23, ball-screw 36, cylinder roller bearing 22, pin shaft II 34, jacking header frame 35, motor-driven jack 20, lifting jack fixed mount 19, rolling slide block II 32, weight tray 31, counterweight 29, counterweight fixed leg 30, feed screw nut 24, link 25, rolling guide I 26, rolling slide block I 27, fine setting counterweight 28, rolling guide II 33, rolling guide support 4, bracing frame 39, bearing pin I 21, round nut 2, hinge bar 5, spherical washer 3, slide block 6, connecting rod 7, pressure transducer erecting frame 8, pressure transducer 9, pivot flange 11, linear bearing 12, linear bearing support 13, back shaft 15, test specimen seat 16.
4 is known by reference to the accompanying drawings, sees from right to left, and in the below of rolling guide support 4, motor-driven jack 20 is placed in lifting jack fixed mount 19, and lifting jack fixed mount 19 is fixed on base 1 lower shoe; The top of motor-driven jack 20 is installed with jacking header frame 35, is provided with circular hole above jacking header frame 35, and this circular hole activity is installed with pin shaft II 34, and pin shaft II 34 is installed with cylinder roller bearing 22 by interference fit.
Above rolling guide support 4, and be positioned at the central authorities of rolling guide support 4, handwheel 38 is connected by the right-hand member of shaft coupling 37 with ball-screw 36, and ball-screw 36 is supported in bearing seat 23 by ball-screw special bearing, and bearing seat 23 is fixedly mounted on the base plate of rolling guide support 4; Ball-screw 36 is connected with feed screw nut 24 by threaded engagement, feed screw nut 24 is fixed on link 25 by end flange, link 25 is fixed on below weight tray 31, and counterweight 29 is fixedly mounted on weight tray 31 by four counterweight fixed legs 30 and eight nuts; Be installed with a pair rolling guide I 26 above counterweight 29, on each rolling guide I 26, slidable fit rolling slide block I 27 respectively, and jointly fixedly support fine setting counterweight 28 above two rolling slide blocks I 27.
5 is known by reference to the accompanying drawings, above rolling guide support 4, and be positioned at the left and right sides of rolling guide support 4, rolling guide support 4 fixedly mounts a pair rolling guide II 33, on each rolling guide II 33, slidable fit rolling slide block II 32 respectively, and two rolling slide block II 32 tops are fixed wtih weight tray 31 jointly.By reference to the accompanying drawings 4 and accompanying drawing 5, in the centre of rolling guide support 4 and near left end place, a pair bearing support 39 upper end circular hole is flexibly connected with two circular holes of rolling guide support 4 footing respectively by bearing pin I 21, and bearing support 39 lower end is fixed on base 1 lower shoe.
By reference to the accompanying drawings 4 and accompanying drawing 6 known, from top to bottom, hinge bar 5 two ends respectively by a pair spherical washer 3 and rolling guide support 4 and slide block 6 hinged, and use round nut 2 axial restraint respectively.Be flexibly connected with spherical washer 3 by mating spherical surfaces below connecting rod 7, top is fixedly connected with pressure transducer erecting frame 8; Pressure transducer erecting frame 8 fixedly mounts pressure transducer 9, the upper end contact of pressure transducer 9 withstands on the below of support flange 11; Support flange 11 upper end boss and bolster 15 lower end axis hole are fixed on bolster 15 lower end by interference fit, and bolster 15 is through the endoporus of a pair linear bearing 12, and its upper end is installed with test specimen seat 16.In addition, a pair linear bearing 12 is fixed in linear bearing support 13 liang of stomidiums respectively by end flange, and linear bearing support 13 is fixed on support plate 14 by flange.
Before test, first test specimen is installed.First, start up system, operation motor-driven jack 20 moves up, by rolling guide support 4 right-hand member jack-up, utilize lever principle that the left end of rolling guide support 4 is moved down around bearing support 39 upper end circular hole, promotion back shaft 15 linearly bearing 12 moves down, and when bolster 15 moves to extreme lower position shut-down operation motor-driven jack 20, then on test specimen seat 16, installs test specimen.
The enforcement of test.Liner testing machine is energized, then start-up loading system.Start motor-driven jack 20, operation motor-driven jack 20 makes jacking header frame 35 move down, rolling guide support 4 right part is fallen after rise along with motor-driven jack comes directly towards frame 35 simultaneously, utilize lever principle, rolling guide support 4 left part is rotated around bearing support 39 upper end circular hole, and then promotion hinge bar 5 moves upward, again successively by promoting slide block 6, connecting rod 7, pressure transducer erecting frame 8, pressure transducer 9, support flange 11, bolster 15, test specimen seat 16 is along linear bearing 12 upward sliding, until pressure head 17 contacts with surface of test piece, continue operation motor-driven jack 20, cylinder roller bearing 22 and rolling guide support 4 are disengaged.Test loads, by rotating handwheel 38, ball-screw 36 is driven to rotate, the rotation of the feed screw nut adjutant ball-screw 36 consisted of ball-screw 36 and feed screw nut 24 is converted to the movement of weight tray 31, and then drive counterweight 29 to move left and right, by the amplification principle of lever, according to requirement of experiment, counterweight 29 is moved to predeterminated position, then the load that fine setting counterweight 28 accurate adjustment applies manually is moved, load is by hinge bar 5, slide block 6, connecting rod 7, pressure transducer erecting frame 8, pressure transducer 9, support flange 11, bolster 15 and test specimen seat 16 are applied to (now pressure head 17 has pushed down the test specimen be placed on test specimen seat 16) on pressure head 17.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from the utility model aim.

Claims (2)

1. a liner testing machine, this testing machine is made up of loading system and Work platform system, it is characterized in that:
In Work platform system, support plate (14) is fixed on base (1), and support plate (14) is fixedly connected supporting seat (10) above it by two pillars (18); Pressure head (17) is fixedly installed in the central authorities of supporting seat (10);
In loading system, motor-driven jack (20) is placed in lifting jack fixed mount (19), and lifting jack fixed mount (19) is fixed on base (1) lower shoe; The top of motor-driven jack (20) is installed with jacking header frame (35), jacking header frame (35) top is provided with circular hole, this circular hole activity is installed with pin shaft II (34), and pin shaft II (34) is installed with cylinder roller bearing (22) by interference fit;
Handwheel (38) is connected by the right-hand member of shaft coupling (37) with ball-screw (36), ball-screw (36) is supported in bearing seat (23) by ball-screw special bearing, and bearing seat (23) is fixedly mounted on the base plate of rolling guide support (4); Ball-screw (36) is connected with feed screw nut (24) by threaded engagement, feed screw nut (24) is fixed on link (25) by end flange, link (25) is fixed on weight tray (31) below, and counterweight (29) is fixedly mounted on weight tray (31) by four counterweight fixed legs (30) and eight nuts; Above counterweight (29), a pair rolling guide I (26) is installed, the upper slidable fit respectively of each rolling guide I (26) rolling slide block I (27), and two rolling slide block I (27) tops fixedly support fine setting counterweight (28) jointly;
Rolling guide support (4) fixedly mounts a pair rolling guide II (33), the upper slidable fit of each rolling guide II (33) rolling slide block II (32), and two rolling slide block II (32) tops are fixed wtih weight tray (31);
In the centre of rolling guide support (4) and near left end place, a pair bearing support (39) upper end circular hole is flexibly connected with two circular holes of rolling guide support (4) footing respectively by bearing pin I (21), and bearing support (39) lower end is fixed on base (1) lower shoe;
Hinge bar (5) two ends respectively by a pair spherical washer (3) and rolling guide support (4) and slide block (6) hinged, and use round nut (2) axial restraint respectively; Connecting rod (7) below is flexibly connected with spherical washer (3) by mating spherical surfaces, and top is fixedly connected with pressure transducer erecting frame (8); Pressure transducer erecting frame (8) fixedly mounts pressure transducer (9), the upper end contact of pressure transducer (9) withstands on the below of support flange (11); Support flange (11) upper end boss and bolster (15) lower end axis hole are fixed on bolster (15) lower end by interference fit, bolster (15) is through the endoporus of a pair linear bearing (12), and its upper end is installed with test specimen seat (16); In addition, a pair linear bearing (12) is fixed in linear bearing support (13) two stomidium respectively by end flange, and linear bearing support (13) is fixed on support plate (14) by flange.
2. liner testing machine according to claim 1, is characterized in that: described rolling guide support (4) is provided with five through holes.
CN201520236590.8U 2015-04-20 2015-04-20 A kind of liner testing machine Expired - Fee Related CN204514728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520236590.8U CN204514728U (en) 2015-04-20 2015-04-20 A kind of liner testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520236590.8U CN204514728U (en) 2015-04-20 2015-04-20 A kind of liner testing machine

Publications (1)

Publication Number Publication Date
CN204514728U true CN204514728U (en) 2015-07-29

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445092A (en) * 2015-12-11 2016-03-30 浙江大学 Continuous and accurate variable loading device
CN105501798A (en) * 2016-01-18 2016-04-20 南京龙贞自动化装备技术有限公司 Guide rail frame of feeding system in apex laminating machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445092A (en) * 2015-12-11 2016-03-30 浙江大学 Continuous and accurate variable loading device
CN105501798A (en) * 2016-01-18 2016-04-20 南京龙贞自动化装备技术有限公司 Guide rail frame of feeding system in apex laminating machine
CN105501798B (en) * 2016-01-18 2017-12-22 南京龙贞自动化装备技术有限公司 The guide rail bracket of feeding system in triangular glue adhering machine

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150729

Termination date: 20160420

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