CN207249969U - A kind of friction testing experimental provision - Google Patents
A kind of friction testing experimental provision Download PDFInfo
- Publication number
- CN207249969U CN207249969U CN201720518450.9U CN201720518450U CN207249969U CN 207249969 U CN207249969 U CN 207249969U CN 201720518450 U CN201720518450 U CN 201720518450U CN 207249969 U CN207249969 U CN 207249969U
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- China
- Prior art keywords
- outside
- transfer roller
- bar shaped
- guide wheel
- pedestal
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of friction testing experimental provision, including casing and wooden unit, the right side bottom of the casing is provided with side plate, the top of the side plate is provided with tensiometer, the front of the casing is respectively arranged on the left side and the right side drive roll and driven voller, and the outside of the drive roll and driven voller is socketed with transfer roller, and the inner side of the chuck is equipped with outer wheel case, the outer wheel case is connected by change with guide wheel, and the outside of the outer wheel case is equipped with groove.The friction testing experimental provision, pass through the cooperation of transfer roller, stripe board and outer wheel case, transfer roller is socketed on to the outside of drive roll and driven voller during installation, unclamp stripe board and be passed to the elastic pull-back forces of extension spring and pull back pull rod, drive stripe board to enter in preceding bar shaped fluting, facilitate and transfer roller is replaced, dual rotation adds the rotating effect of guide wheel, reduce the frictional force with pulling force rope junction, ensure that test effect.
Description
Technical field
Teaching experiment facility technology field is the utility model is related to, is specially a kind of friction testing experimental provision.
Background technology
The existing frictional force laboratory apparatus in laboratory, multi-purpose greatly one piece of plank, a sliding block and a tablet dynamometer
Composition, it is inconvenient due to drag plank by hand during experiment, in existing frictional force experiment teaching instrument, such as apply
Number utility model patent for being 201420818066.7, including base, base are equipped with spring fixed seat, spring, filament, first
Fixed pulley, the first fixed pulley mounting base, frictional force size display device, driving mechanism, slide chair, slide plate, sliding block, second are slided calmly
Wheel, the second fixed pulley mounting base, one end of spring is articulated on spring fixed seat, although the patent test result is directly perceived,
Be not convenient for changing the transfer roller of belt in actual use, and the directive wheel rotating effect of the overlap joint pulling force rope of tensiometer bottom compared with
Difference, increases frictional force, influences experiment effect.
Utility model content
The purpose of this utility model is to provide a kind of friction testing experimental provision, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical solution：A kind of friction testing experimental provision, including
Casing and wooden unit, the right side bottom of the casing are provided with side plate, and the top of the side plate is provided with tensiometer, the casing
Front is respectively arranged on the left side and the right side drive roll and driven voller, and the outside of the drive roll and driven voller is socketed with transfer roller, described
Transfer roller is internally provided with bar shaped fluting I, and the front side of the bar shaped fluting I is slotted equipped with preceding bar shaped, the drive roll and driven voller
Inner right side be equipped with cavity, through pull rod is connected with, the inside left end of the cavity is provided with drawing for the inside of the cavity
Spring is stretched, right pedestal is installed on the left of the pull rod, the left end of the right pedestal is equipped with left pedestal, and the left pedestal passes through
One bearing is connected with right pedestal, and the left pedestal is connected by plush copper with extension spring, and the right end of the pull rod is provided with bar shaped
Plate, the stripe board match with bar shaped fluting I and preceding bar shaped fluting respectively, and the bottom of the tensiometer is equipped with guide wheel, described
Guide wheel is connected by second bearing with tensiometer, and chuck is provided with the outside of the guide wheel, and the inner side of the chuck is equipped with foreign steamer
Set, the outer wheel case are connected by change with guide wheel, and the outside of the outer wheel case is equipped with groove.
Preferably, the top of the wooden unit is equipped with counterweight groove, and the inside of the wooden unit, which is run through, is connected with interior bar, the interior bar
Left end end cap is installed, the end cap is fixedly connected by fixing bolt with wooden unit, and the right side of the wooden unit is through being connected with
Connecting rod, the connecting rod are connected by 3rd bearing with interior bar, and sleeve, the outside peace of the sleeve are socketed with the outside of the connecting rod
Equipped with gland, draw ring is installed on the outside of the connecting rod.
Preferably, the inner wall of the groove is fitted with stainless steel sleeve.
Preferably, inserted link is equipped with the outside of the drive roll and driven voller, the inner side of the transfer roller is equipped with jack, described
Inserted link matches with jack.
Preferably, the junction of the tensiometer and side plate, which is equipped with, strengthens foot.
Compared with prior art, the beneficial effects of the utility model are：The friction testing experimental provision, by transfer roller,
Transfer roller, during installation, is socketed on the outside of drive roll and driven voller, stripe board is run through transfer roller by the cooperation of stripe board and outer wheel case
Interior bar shaped fluting I, rotates stripe board, drives pull rod and right pedestal to be rotated, right pedestal is rotated in by clutch shaft bearing
On left pedestal, stripe board is unclamped, the elastic pull-back forces for being passed to extension spring are pulled back pull rod, drive stripe board to enter preceding bar shaped
In fluting, transfer roller is fixed, it is convenient that transfer roller is replaced, and then facilitate and the belt of unlike material is replaced,
Pulling force rope is overlapped in the outside of outer wheel case, and guide wheel is rotated under by the active force of drawstring, outer wheel case is rotated in by change
On guide wheel, while guide wheel is rotated on tensiometer by second bearing, and dual rotation adds the rotating effect of guide wheel, reduces
With the frictional force of pulling force rope junction, test effect ensure that.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the transfer roller structure diagram of the utility model；
Fig. 3 is the preceding bar shaped notching construction schematic diagram of the utility model；
Fig. 4 is the right pedestal structure schematic diagram of the utility model；
Fig. 5 is the foreign steamer nested structure schematic diagram of the utility model；
Fig. 6 is the wooden unit structure diagram of the utility model.
In figure：1st, casing, 2, drive roll, 3, wooden unit, 4, transfer roller, 5, driven voller, 6, tensiometer, 7, side plate, 8, strengthen foot,
9th, guide wheel, 10, bar shaped fluting I, 11, jack, 12, extension spring, 13, inserted link, 14, cavity, 15, pull rod, 16, preceding bar shaped opens
Groove, 17, stripe board, 18, right pedestal, 19, clutch shaft bearing, 20, plush copper, 21, left pedestal, 22, outer wheel case, 23, groove, 24,
Two bearings, 25, chuck, 26, stainless steel sleeve, 27, change, 28, counterweight groove, 29,3rd bearing, 30, sleeve, 31, draw ring, 32,
Fixing bolt, 33, end cap, 34, interior bar, 35, connecting rod, 36, gland.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 6 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of friction testing experimental provision, including machine
Shell 1 and wooden unit 3, the top of wooden unit 3 are equipped with counterweight groove 28, and the inside of wooden unit 3 is pacified through interior bar 34, the left end of interior bar 34 is connected with
Equipped with end cap 33, end cap 33 is fixedly connected by fixing bolt 32 with wooden unit 3, and the right side of wooden unit 3 is through connecting rod 35 is connected with, even
Bar 35 is connected by 3rd bearing 29 with interior bar 34, and the outside of connecting rod 35 is socketed with sleeve 30, and the outside of sleeve 30 is provided with pressure
Lid 36, the outside of connecting rod 35 are provided with draw ring 31, and pulling force rope is hooked on draw ring 31, at the trial since pulling force rope turns repeatedly
It is dynamic, drive the connecting rod 35 of the inner side of draw ring 31 to be rotated in by 3rd bearing 29 in interior bar 34, avoid pulling force rope and rotate knotting, machine
The right side bottom of shell 1 is provided with side plate 7, and the top of side plate 7 is provided with tensiometer 6, and tensiometer 6 and the junction of side plate 7 are equipped with
Strengthen foot 8, the front of casing 1 is respectively arranged on the left side and the right side drive roll 2 and driven voller 5, and the outside of drive roll 2 and driven voller 5 is equal
Be socketed with transfer roller 4, the outside of drive roll 2 and driven voller 5 is equipped with inserted link 13, and the inner side of transfer roller 4 is equipped with jack 11, inserted link 13 with
Jack 11 matches, and during installation, transfer roller 4 is socketed on to the outside of drive roll 2 and driven voller 5, makes stripe board 17 in transfer roller 4
Bar shaped fluting I 10, transfer roller 4 be internally provided with bar shaped fluting I 10, bar shaped fluting I 10 front side be equipped with preceding bar shaped fluting 16, bar
Shape fluting I 10 is set with preceding bar shaped 16 right-angled intersections of fluting, and the inner right side of drive roll 2 and driven voller 5 is equipped with cavity 14, empty
Through pull rod 15 is connected with, the inside left end of cavity 14 is provided with extension spring 12, the elasticity of extension spring 12 for the inside of chamber 14
Coefficient is 10N/CM, and the left side of pull rod 15 is provided with right pedestal 18, and the left end of right pedestal 18 is equipped with left pedestal 21, and left pedestal 21 is logical
Cross clutch shaft bearing 19 with right pedestal 18 to be connected, left pedestal 21 is connected by plush copper 20 with extension spring 12, the right end peace of pull rod 15
Equipped with stripe board 17, stripe board 17 matches with bar shaped fluting I 10 and preceding bar shaped fluting 16 respectively, after transfer roller 4 is socketed,
Stripe board 17 is affectedly bashful in hand insertion bar shaped fluting I 10 to stretch out, and is rotated stripe board 17, is driven pull rod 15 and right pedestal 18
Rotated, right pedestal 18 is rotated in by clutch shaft bearing 19 on left pedestal 21, avoided extension spring 12 and follow rotation, pine
Stripe board 17 is opened, the elastic pull-back forces for being passed to extension spring 12 are pulled back pull rod 15, drive stripe board 17 to be opened into preceding bar shaped
In groove 16, transfer roller 4 is fixed, it is convenient that transfer roller 4 is replaced, and then conveniently the belt of unlike material is replaced,
The bottom of tensiometer 6 is equipped with guide wheel 9, and guide wheel 9 is connected by second bearing 24 with tensiometer 6, and the outside of guide wheel 9 is provided with chuck
25, the inner side of chuck 25 is equipped with outer wheel case 22, and pulling force rope is overlapped in the outside of outer wheel case 22, and outer wheel case 22 is by change 27 with leading
Wheel 9 is connected, and the outside of outer wheel case 22 is equipped with groove 23, and the inner wall of groove 23 is fitted with stainless steel sleeve 26, and guide wheel 9 is used for drawstring
The guiding of travel direction, when in use, guide wheel 9 are rotated under by the active force of drawstring, outer wheel case 22 is passed through 27 turns of change
Move on guide wheel 9, while guide wheel 9 is rotated on tensiometer 6 by second bearing 24, dual rotation adds the rotation of guide wheel 9
Effect, reduces the frictional force with pulling force rope junction.
During installation, transfer roller 4 is socketed on to the outside of drive roll 2 and driven voller 5, makes bar of the stripe board 17 in transfer roller 4
Shape fluting I 10, is affectedly bashful stripe board 17 and stretches out in hand insertion bar shaped fluting I 10, rotate stripe board 17, drive pull rod 15
Rotated with right pedestal 18, right pedestal 18 is rotated in by clutch shaft bearing 19 on left pedestal 21, avoid extension spring 12
Follow rotation, unclamp stripe board 17, the elastic pull-back forces for being passed to extension spring 12 are pulled back pull rod 15, drive stripe board 17 into
Before entering in bar shaped fluting 16, transfer roller 4 is fixed, facilitates and transfer roller 4 is replaced, and then conveniently to the skin of unlike material
Band is replaced, and pulling force rope is overlapped in the outside of outer wheel case 22, and guide wheel 9 is rotated under by the active force of drawstring, makes outer wheel case
22 are rotated on guide wheel 9 by change 27, while guide wheel 9 is rotated on tensiometer 6 by second bearing 24, dual rotation increase
The rotating effect of guide wheel 9, reduces the frictional force with pulling force rope junction.
In the description of the utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " both ends " or position close
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as the limitation to the utility model.
In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for description purpose, and it is not intended that instruction or
Imply relative importance or the implicit quantity for indicating indicated technical characteristic, thus, define " first ", " second ", " the
Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".
In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu
Calmly ", the term such as " being screwed on " should be interpreted broadly, and also can be to be detachably connected for example, can be fixedly connected, or integrally；
Can mechanically connect, also can be to be electrically connected；Can be connected directly, can be also indirectly connected by intermediary, can
It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly, for this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It will be appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of friction testing experimental provision, including casing（1）And wooden unit（3）, the casing（1）Right side bottom be provided with
Side plate（7）, the side plate（7）Top tensiometer is installed（6）, the casing（1）Front be respectively arranged on the left side and the right side master
Dynamic roller（2）And driven voller（5）, it is characterised in that：The drive roll（2）And driven voller（5）Outside be socketed with transfer roller（4）,
The transfer roller（4）Be internally provided with bar shaped fluting I（10）, the bar shaped fluting I（10）Front side equipped with preceding bar shaped slot（16）,
The drive roll（2）And driven voller（5）Inner right side be equipped with cavity（14）, the cavity（14）Inside through being connected with
Pull rod（15）, the cavity（14）Inside left end extension spring is installed（12）, the pull rod（15）Left side the right side is installed
Pedestal（18）, the right pedestal（18）Left end be equipped with left pedestal（21）, the left pedestal（21）Pass through clutch shaft bearing（19）With
Right pedestal（18）It is connected, the left pedestal（21）Pass through plush copper（20）With extension spring（12）It is connected, the pull rod（15）The right side
End is provided with stripe board（17）, the stripe board（17）Respectively with bar shaped fluting I（10）Slot with preceding bar shaped（16）Match, institute
State tensiometer（6）Bottom be equipped with guide wheel（9）, the guide wheel（9）Pass through second bearing（24）With tensiometer（6）It is connected, it is described
Guide wheel（9）Outside chuck is installed（25）, the chuck（25）Inner side be equipped with outer wheel case（22）, the outer wheel case（22）It is logical
Cross change（27）With guide wheel（9）It is connected, the outer wheel case（22）Outside be equipped with groove（23）；The drive roll（2）With it is driven
Roller（5）Outside be equipped with inserted link（13）, the transfer roller（4）Inner side be equipped with jack（11）, the inserted link（13）With jack
（11）Match.
A kind of 2. friction testing experimental provision according to claim 1, it is characterised in that：The wooden unit（3）Top
Equipped with counterweight groove（28）, the wooden unit（3）Inside through being connected with interior bar（34）, the interior bar（34）Left end end is installed
Lid（33）, the end cap（33）Pass through fixing bolt（32）With wooden unit（3）It is fixedly connected, the wooden unit（3）Right side through connect
It is connected to connecting rod（35）, the connecting rod（35）Pass through 3rd bearing（29）With interior bar（34）It is connected, the connecting rod（35）Outer sheath
It is connected to sleeve（30）, the sleeve（30）Outside gland is installed（36）, the connecting rod（35）Outside draw ring is installed
（31）.
A kind of 3. friction testing experimental provision according to claim 1, it is characterised in that：The groove（23）Inner wall
It is fitted with stainless steel sleeve（26）.
A kind of 4. friction testing experimental provision according to claim 1, it is characterised in that：The tensiometer（6）With side
Plate（7）Junction be equipped with strengthen foot（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720518450.9U CN207249969U (en) | 2017-05-11 | 2017-05-11 | A kind of friction testing experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720518450.9U CN207249969U (en) | 2017-05-11 | 2017-05-11 | A kind of friction testing experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207249969U true CN207249969U (en) | 2018-04-17 |
Family
ID=61876360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720518450.9U Expired - Fee Related CN207249969U (en) | 2017-05-11 | 2017-05-11 | A kind of friction testing experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207249969U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596442A (en) * | 2018-12-10 | 2019-04-09 | 北京理工大学 | A kind of device for explosive column shearing force testing |
| CN110487460A (en) * | 2019-08-01 | 2019-11-22 | 广州华德汽车弹簧有限公司 | Frictional force force measuring machine |
| CN117359446A (en) * | 2023-12-07 | 2024-01-09 | 南通恒强轧辊有限公司 | Alloy cast iron roller dirt cleaning device |
-
2017
- 2017-05-11 CN CN201720518450.9U patent/CN207249969U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596442A (en) * | 2018-12-10 | 2019-04-09 | 北京理工大学 | A kind of device for explosive column shearing force testing |
| CN110487460A (en) * | 2019-08-01 | 2019-11-22 | 广州华德汽车弹簧有限公司 | Frictional force force measuring machine |
| CN117359446A (en) * | 2023-12-07 | 2024-01-09 | 南通恒强轧辊有限公司 | Alloy cast iron roller dirt cleaning device |
| CN117359446B (en) * | 2023-12-07 | 2024-02-27 | 南通恒强轧辊有限公司 | Alloy cast iron roller dirt cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20210511 |