CN109444042A - A kind of friction sticking strength test device - Google Patents
A kind of friction sticking strength test device Download PDFInfo
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- CN109444042A CN109444042A CN201811598929.3A CN201811598929A CN109444042A CN 109444042 A CN109444042 A CN 109444042A CN 201811598929 A CN201811598929 A CN 201811598929A CN 109444042 A CN109444042 A CN 109444042A
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- friction
- groove
- base body
- backboard
- hole
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000010008 shearing Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000003723 Smelting Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 241001600609 Equus ferus Species 0.000 description 1
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of friction sticking strength test devices, it include: pedestal, pedestal includes base body, and base body is the shell of closed at one end, another end opening, the closed end of base body constitutes the loading end of pedestal, offers and consistent first groove of friction shape on loading end；A slideway is opened up in the wherein one side wall of base body, slideway runs through the open end and closed end of base body；Base body, the first groove and slideway are integrally formed；Friction includes friction piece and backboard；Fixation kit, fixation kit are used to compress the friction piece being located in the first groove, and backboard exposes to the first groove；Pressure head is slided, sliding pressure head is slided along slideway, and slideway shape is consistent with sliding indenter shape, and to apply shearing force on backboard, sliding pressure head and backboard contact surface open up the second groove, and the shape of the second groove and the shape of backboard are consistent.The device of the invention has many advantages, such as that portable construction, measurement accuracy are high.
Description
Technical field
The present invention relates to high-speed rail braking technology field, in particular to a kind of friction sticking strength test device.
Background technique
Chinese high-speed rail technology rapid development, the F-Zero of train are continuously improved, and recovery CR400 highest operation speed per hour reaches
400 kilometers, continue speed per hour be 350 kilometers.With the continuous promotion of speed, the performance requirement of braking system is continuously improved.
At present high-speed rail braking mainly using powder metallurgy brake pad brake, powder metallurgy brake pad mainly by friction, adjusting pad,
The parts such as steel back and circlip composition.Wherein friction includes friction piece and backboard, and friction piece and backboard are melted by transition zone
Together, the adhesive strength between friction piece and backboard directly influences the braking ability of bullet train for soldering, once therebetween
Adhesive strength is lower than the shear strength of friction piece itself, then in train braking, frictional force between friction piece and brake disc or wheel
Under the action of, friction piece is not in that stratiform falls off consumption, and can be broken first between friction piece and backboard, causes to rub
Rub body flies out, and loses braking action, if under the conditions of no electric braking, full brake lining emergency braking, high-speed rail will as runaway wild horse,
Even throw away track and lead to casualties, caused by loss it is inestimable, therefore detect and authentic assessment high-speed rail brake lining friction piece with
Adhesive strength between backboard is most important.
The apparatus structure between measurement friction piece and backboard is complicated at present, measures the pressure head heavier mass of shearing force, seriously
Influence the precision of measurement.
Summary of the invention
In view of the above technical problems, it is viscous to provide the high friction of a kind of simple structure, light quality, measurement accuracy by the present invention
Paste strength testing device.
The present invention relates to a kind of friction sticking strength test devices, comprising:
Pedestal, pedestal include base body, and base body is the shell of closed at one end, another end opening, the closing of base body
End constitutes the loading end of pedestal, offers and consistent first groove of friction shape on loading end；Wherein the one of base body
A slideway is opened up on side wall, slideway runs through the open end and closed end of base body；Base body, the first groove and slideway one
Forming；Friction includes friction piece and backboard；Fixation kit, fixation kit are used to compress the friction piece being located in the first groove,
Backboard exposes to the first groove；Pressure head is slided, sliding pressure head is slided along slideway, and slideway shape is consistent with sliding indenter shape, with
Apply shearing force on backboard, sliding pressure head and backboard contact surface open up the second groove, the shape of the second groove and the shape of backboard
Shape is consistent.
Preferably, pedestal is integrally formed using selective laser smelting technology.
Preferably, pedestal uses 18Ni300 powder, integrally formed by selective laser smelting technology；18Ni300 powder
Granularity is 15 microns to 62 microns.
Preferably, first through hole is opened up on the side wall of the base body opposite with slideway, can be revolved through first through hole setting
Into or screw out regulating part, with adjust be located at the first groove in friction piece position.
Preferably, fixation kit includes: loose piece, for pressing friction；It is recessed that the end face contacted with friction opens up third
Slot, third groove shapes are consistent with friction shape；The two sides of third groove open up the first blind hole, in the first groove two sides
On loading end, position corresponding with the first blind hole opens up the second blind hole, and the first blind hole and the second blind hole are elastic component location hole,
Loose piece can be popped up by elastic component；The open end of cover board, cover board and base body is fastenedly connected, to compress loose piece.
Preferably, on cover board, the position opposite with loose piece opens up several second through-holes, and several spiral shells are arranged through the second through-hole
Bolt, to compress or unclamp loose piece.
Preferably, on cover board, position corresponding with the side wall of base body opens up third through-hole, on base body, with
Third through-hole relative to position open up fourth hole, clamping screw is set in corresponding third through-hole and fourth hole, with
Cover board is set to compress loose piece.
Preferably, it slides setting one on pressure head and is convenient for the handle held.
The present invention by adopting the above technical scheme, has the advantage that
1. friction sticking strength test device of the invention is provided with recessed with the shape of friction consistent first on pedestal
Slot, and being fixedly connected for friction piece and pedestal is realized by fixation kit, it is ensured that friction piece and pedestal are tight during the test
Contiguity touching.Meanwhile being provided on pedestal and sliding the consistent slideway of indenter shape, it slides and is connect between pressure head and pedestal for rail mounted
Touching ensure that during the test the shearing force that sliding pressure head applies acts on backboard completely, improve the accurate of test
Degree.
2. friction adhesion strength test device of the invention, pedestal is integrally formed using selective laser smelting technology, saves
The components such as lower platen and bottom plate are removed, portable construction is novel, avoids and makes during the test due to applying shearing force to pedestal
At damage, increase the stability of pedestal.
3. friction sticking strength test device of the invention, sliding pressure head has recessed with backboard shape consistent second
Slot increases the contact area of sliding pressure head and backboard in shearing experiment, guarantees that whole shearing forces are applied on backboard, together
When, since sliding pressure head is using unilateral handle, the weight of sliding pressure head is alleviated, is reduced since the weight band of sliding pressure head comes
Measuring accuracy influence, improve the precision of test.
4. friction sticking strength test device of the invention, is arranged elastic component between loose piece and the first groove, passes through
The flexible taking-up after fixation and test before the friction test with backboard may be implemented in the compression and rebound of elastic component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of friction of the invention；
Fig. 2 is a kind of perspective view of friction adhesion strength test device one embodiment of the invention；
Fig. 3 is schematic diagram of base structure of the invention；
Fig. 4 is covering plate structure schematic diagram of the present invention；
Fig. 5 is loose piece structural schematic diagram of the present invention.
Appended drawing reference:
1. pedestal, 10. base bodies, 11. first grooves, 12. slideways, 13. first through hole, 14. elastic components, 2. frictions, 20.
Friction piece, 21. backboards, 3. fixation kits, 30. loose pieces, 31. second blind holes, 32. cover boards, 33. second through-holes, 34. thirds are logical
Hole, 35. fourth holes, 36. bolts, 37. clamping screws, 301. third grooves, 302. first blind holes, 4. sliding pressure heads, 40. the
Two grooves, 41. handles, 5. regulating parts.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
With reference to Fig. 1, friction 2 includes friction piece 20 and backboard 21, and friction piece 20 and backboard 21 are melted by transition zone
Soldering is together.
To solve friction piece, test device quality is larger during the test, and measuring accuracy is not high, and the present invention provides
A kind of friction adhesion strength test device, to solve the above technical problems.
With reference to Fig. 2, the present invention includes pedestal 1, and pedestal 1 includes base body 10, and base body 10 is closed at one end, another
The shell of end opening, the closed end of base body 10 constitute the loading end of pedestal 1, offer and 2 shape of friction on loading end
Consistent first groove 11；A slideway 12 is opened up in the wherein one side wall of base body 10, slideway 12 is through base body 10
Open end and closed end；Base body 10, the first groove 11 and slideway 12 are integrally formed；Friction 2 includes friction piece 20 and back
Plate 21；Fixation kit 3, fixation kit 3 are used to compress the friction piece 20 being located in the first groove 11, and it is recessed that backboard 21 exposes to first
Slot 11；Pressure head 4 is slided, sliding pressure head 4 is slided along slideway 12, and 12 shape of slideway is consistent with sliding 4 shape of pressure head, to apply shearing
For power on backboard 21, sliding pressure head 4 and 21 contact surface of backboard open up the second groove 40, shape and the backboard 21 of the second groove 40
Shape is consistent.It slides setting one on pressure head 4 and is convenient for the handle 41 held.
In the present embodiment, base body 10, the first groove 11 and slideway 12 are integrally formed, melt skill using selective laser
Art is integrally formed, and the 18Ni300 powder that pedestal 1 uses, integrally formed by selective laser smelting technology；18Ni300 powder
The granularity at end is 15 microns to 62 microns.
By adopting the above technical scheme, the first groove 11 with 20 shape of friction piece mutually always being arranged on base body 10,
Guarantee that friction piece 20 is fitted closely with base body 10 during the test；What is be arranged on pedestal 1 presses 4 head shapes one with sliding
The slideway 12 of cause ensure that and keep rail mounted to contact between sliding pressure head 4 and pedestal 1, so that being applied to complete on sliding pressure head 4
Portion's shearing force is acted on completely on backboard 21.Base body 10, the first groove 11 and slideway 12 it is integrally formed, eliminate pushing
The components such as plate and bottom plate, portable construction are novel, it is ensured that the stability of pedestal 1.In addition to this, due to the second groove 40 and backboard
21 shape is consistent, increases the contact area of sliding pressure head 4 and backboard 21, when carrying out shearing experiment, is applied to sliding pressure
Whole power on first 4 act on backboard 21；It is unilateral lever since sliding pressure head 4 uses, alleviates the weight of sliding pressure head 4
Amount, improves the precision of test.
On the basis of the above embodiments, further, as shown in figure 3, the side of the base body 10 opposite with slideway 12
First through hole 13 is opened up on wall, through the setting of first through hole 13 can precession or back-out regulating part 5, be located at the first groove to adjust
The position of friction piece 20 in 11.
By adopting the above technical scheme, by the regulating part 5 being arranged in first through hole 13, the position to friction piece 20 is realized
Adjusting so that backboard 21 is completely in the lower section of the second groove 40 of sliding pressure head 4 during the test.
On the basis of the above embodiments, further, in conjunction with Fig. 2, Fig. 3 and Fig. 4, fixation kit 3 includes: loose piece 30,
For pressing friction 12；As shown in figure 5, the end face contacted with friction 2 opens up third groove 301,301 shape of third groove
It is consistent with 20 shape of friction piece；The two sides of third groove 301 open up the first blind hole 302, the carrying in 11 two sides of the first groove
On face, position corresponding with the first blind hole 302 opens up the second blind hole 31, and the first blind hole 302 and the second blind hole 31 are elastic component
14 location holes, loose piece 30 can be popped up by elastic component 14；The open end of cover board 32, cover board 32 and base body 10, which fastens, to be connected
It connects, to compress loose piece 30.On cover board 32, the position opposite with loose piece 30 opens up several second through-holes 33, runs through the second through-hole 33
If bolt stem 36 is arranged, to compress or unclamp loose piece 30.
By adopting the above technical scheme, elastic component 14 is positioned by the first blind hole 302 and the second blind hole 31, and loose piece 30 is logical
The bolt being arranged on the second through-hole 33 on the cover board 32 crossed in elastic component 14 and fixation kit 3 realizes the fastening with pedestal 1
Connection.Before being tested, elastic component 14 is in free state, and when being tested, elastic component 14 is compacted, by loose piece 30 and
Cover board 32 realizes the fastening to friction piece 20, and elastic component 14 is jacked up by rebound naturally after test, and friction piece 20 is in certainly
By state, the setting of elastic component 14 ensure that the taking conveniently in test of friction piece 20.
In the present embodiment, elastic component 14 is spring.
On the basis of the above embodiments, further, on cover board 32, position corresponding with the side wall of base body 10
Open up third through-hole 34, on base body 10, with third through-hole 34 relative to position open up fourth hole 35, corresponding
Clamping screw 37 is set in three through-holes 34 and fourth hole 35, so that cover board 32 compresses loose piece 30.
By adopting the above technical scheme, being fastenedly connected for cover board 32 and pedestal 1 is realized by clamping screw 37.
Application method of the invention is as follows:
Friction 2 to be tested is mounted in the first groove 11 on pedestal 1, regulating part 5 is rotated, backboard 21 is exposed to first
Groove 11 screws the bolt 36 of the second through-hole 33 setting, so that 30 downlink of loose piece and compressed spring, so that friction piece 20 is pressed on
In first groove 11.Sliding pressure head 4 is placed along slideway 12, so that under the second groove 40 of the backboard 21 naturally in sliding pressure head 4.
Universal testing machine to be opened, pressure is entirely applied on sliding pressure head 4, propulsion at any time, backboard 21 is separated with friction piece 20,
The area for reading the data and transition zone on universal testing machine, obtains the adhesion strength of friction 2.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to structure of the invention
Think and range is defined.Without departing from the design concept of the invention, ordinary people in the field is to technology of the invention
The all variations and modifications that scheme is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
It is all described in the claims.
Claims (8)
1. a kind of friction sticking strength test device characterized by comprising
Pedestal, the pedestal include base body, and the base body is the shell of closed at one end, another end opening, the bottom
The closed end of seat ontology constitutes the loading end of the pedestal, offers on the loading end recessed with friction shape consistent first
Slot；A slideway, open end and envelope of the slideway through the base body are opened up in the wherein one side wall of the base body
Closed end；The base body, the first groove and slideway are integrally formed；
The friction includes friction piece and backboard；
Fixation kit, the fixation kit are used to compress the friction piece being located in first groove, and the backboard is exposed
In first groove；
Pressure head is slided, the sliding pressure head is slided along the slideway, and the slideway shape is consistent with the sliding indenter shape, with
Apply shearing force on the backboard, the sliding pressure head and the backboard contact surface open up the second groove, second groove
Shape it is consistent with the shape of the backboard.
2. friction sticking strength test device according to claim 1, which is characterized in that the pedestal is selected using laser
Area's smelting technology is integrally formed.
3. friction sticking strength test device according to claim 2, which is characterized in that the pedestal uses
18Ni300 powder, it is integrally formed by the selective laser smelting technology；The granularity of the 18Ni300 powder be 15 microns extremely
62 microns.
4. friction sticking strength test device according to claim 1, which is characterized in that the institute opposite with the slideway
State and open up first through hole on the side wall of base body, through first through hole setting can precession or back-out regulating part, to adjust
Section is in the position of the friction piece in first groove.
5. friction sticking strength test device according to claim 1, which is characterized in that
The fixation kit includes: loose piece, for compressing the friction；It is recessed that the end face contacted with the friction opens up third
Slot, the third groove shapes are consistent with the friction shape；The two sides of the third groove open up the first blind hole, in institute
On the loading end for stating the first groove two sides, position corresponding with first blind hole opens up the second blind hole, and described first
Blind hole and second blind hole are elastic component location hole, and the loose piece can be popped up by the elastic component；
The open end of cover board, the cover board and the base body is fastenedly connected, to compress the loose piece.
6. friction sticking strength test device according to claim 5, which is characterized in that and described on the cover board
The opposite position of loose piece opens up several second through-holes, described to compress or unclamp if bolt stem is arranged through second through-hole
Loose piece.
7. friction sticking strength test device according to claim 5, which is characterized in that and described on the cover board
The corresponding position of the side wall of base body opens up third through-hole, on the base body, with the third through-hole relative to
Position opens up fourth hole, and clamping screw is arranged in the corresponding third through-hole and fourth hole, so that cover board compresses institute
State loose piece.
8. friction sticking strength test device according to claim 1, which is characterized in that be arranged on the sliding pressure head
One handle convenient for holding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598929.3A CN109444042A (en) | 2018-12-26 | 2018-12-26 | A kind of friction sticking strength test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598929.3A CN109444042A (en) | 2018-12-26 | 2018-12-26 | A kind of friction sticking strength test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109444042A true CN109444042A (en) | 2019-03-08 |
Family
ID=65535695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811598929.3A Pending CN109444042A (en) | 2018-12-26 | 2018-12-26 | A kind of friction sticking strength test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109444042A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595997A (en) * | 2019-09-27 | 2019-12-20 | 广东中烟工业有限责任公司 | Adhesive strength detection device for soft cigarette package hardening cigarette case and evaluation method for adhesive performance of soft cigarette package hardening cigarette case |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324916B1 (en) * | 1999-12-15 | 2001-12-04 | Ultradent Products, Inc. | Testing shear bond strength |
| JP2006275559A (en) * | 2005-03-28 | 2006-10-12 | Fuji Seiko Kk | Indentor for frictional abrasion test and frictional abrasion testing machine equipped with it |
| CN201724863U (en) * | 2010-06-02 | 2011-01-26 | 北京天宜上佳新材料有限公司 | Brake shoe back and friction piece bonding strength test fixture |
| CN102944485A (en) * | 2012-11-05 | 2013-02-27 | 北京瑞斯福科技有限公司 | Shearing strength testing device of powder metallurgy brake pad for high speed train |
| CN105181309A (en) * | 2015-08-07 | 2015-12-23 | 贵州航瑞科技有限公司 | Tool for measuring shearing strength of fastener |
| CN209280539U (en) * | 2018-12-26 | 2019-08-20 | 鑫精合激光科技发展（北京）有限公司 | A kind of friction sticking strength test device |
-
2018
- 2018-12-26 CN CN201811598929.3A patent/CN109444042A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324916B1 (en) * | 1999-12-15 | 2001-12-04 | Ultradent Products, Inc. | Testing shear bond strength |
| JP2006275559A (en) * | 2005-03-28 | 2006-10-12 | Fuji Seiko Kk | Indentor for frictional abrasion test and frictional abrasion testing machine equipped with it |
| CN201724863U (en) * | 2010-06-02 | 2011-01-26 | 北京天宜上佳新材料有限公司 | Brake shoe back and friction piece bonding strength test fixture |
| CN102944485A (en) * | 2012-11-05 | 2013-02-27 | 北京瑞斯福科技有限公司 | Shearing strength testing device of powder metallurgy brake pad for high speed train |
| CN105181309A (en) * | 2015-08-07 | 2015-12-23 | 贵州航瑞科技有限公司 | Tool for measuring shearing strength of fastener |
| CN209280539U (en) * | 2018-12-26 | 2019-08-20 | 鑫精合激光科技发展（北京）有限公司 | A kind of friction sticking strength test device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595997A (en) * | 2019-09-27 | 2019-12-20 | 广东中烟工业有限责任公司 | Adhesive strength detection device for soft cigarette package hardening cigarette case and evaluation method for adhesive performance of soft cigarette package hardening cigarette case |
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Effective date of registration: 20210120 Address after: 102200 No. c1042, 2nd floor, building 16, No. 37 courtyard, Chaoqian Road, science and Technology Park, Changping District, Beijing Applicant after: Beijing Pulan Rail Transit Technology Co., Ltd Applicant after: SHANDONG HEZE DETONG NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 102206 101, 204, 205, building 5, No. 97, Changping Road, Shahe Town, Changping District, Beijing Applicant before: XINJINGHE LASER TECHNOLOGY DEVELOPMENT (BEIJING) Co.,Ltd. |