CN209182182U - A kind of piece fixture on wet wheel abrasion instrument - Google Patents
A kind of piece fixture on wet wheel abrasion instrument Download PDFInfo
- Publication number
- CN209182182U CN209182182U CN201821597856.1U CN201821597856U CN209182182U CN 209182182 U CN209182182 U CN 209182182U CN 201821597856 U CN201821597856 U CN 201821597856U CN 209182182 U CN209182182 U CN 209182182U
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- Prior art keywords
- fixture
- piece fixture
- piece
- sleeve
- fixed
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Abstract
A kind of piece fixture on wet wheel abrasion instrument provided by the utility model, including piece fixture ontology, there are three the piece fixture ontology settings, along the circumferential directions of circular configuration specimen stage；Piece fixture ontology includes two fixed piece fixtures and a movable piece fixture, wherein fixed piece fixture is fixed on specimen stage, and movable piece fixture is flexibly connected with specimen stage；Under the collective effect of a movable piece fixture and two fixed piece fixtures, the operative constraint to test specimen can be achieved, the structure effectively prevents the prior art because constraining insufficient problem caused by piece fixture lazy weight, test specimen is avoided by pressure break simultaneously, this effectively ensures the accuracy of test result, and improves test efficiency and success rate.
Description
Technical field
The utility model relates to a kind of asphalt pavement material device for detecting performance, and in particular to one kind is used for wet wheel abrasion instrument
On piece fixture.
Background technique
Regulation is adopted in China's industry standard " highway engineering pitch and Asphalt Mixture Experiment regulation " (E20-2011 JTG)
With Wet track abrasion test examine slurry seal and micro-surfacing mixture match ratio and anti-water damage property, and with loading wheel scab
Test together determine both mixture optimum oil-stone ratio, it is seen that the importance of Wet track abrasion test and it is wet wheel abrasion instrument application
Generality.
The test result of objective reality in order to obtain, tested range request test specimen should by fixture constraint and in opposite
Stationary state, and will not be ruptured because of the constraint of fixture.But it is found in actual instrumentation operating process, current wet wheel abrasion
Instrument and the requirement still have certain gap, are mainly shown as following two points: being 1. only symmetrical arranged two test specimen folders in the prior art
Tool, test specimen cannot be effectively fixed in lazy weight, during abrasion it occur frequently that since test specimen and pallet relatively move and
The phenomenon that torque of generation ruptures test specimen, so as to cause the failure of test.Constraint for enhancing piece fixture to test specimen, makes to try
Part is not relatively moved with pallet, keeps relative static conditions, and testing crew presses the measure of test specimen frequently with both hands, this
Aspect is laborious, and the abrasion head that on the one hand can be rotated scratches skin；2. vertical compression bar and test specimen in current piece fixture connect
Touching property is rigid point contact, this is easy to generate stress concentration phenomenon in test specimen, causes test specimen by pressure break, is equally run counter to pair
The requirement of test process.
Summary of the invention
The purpose of this utility model is to provide a kind of piece fixtures on wet wheel abrasion instrument, solve existing wet
Abrasion instrument is taken turns when being operated, not only laborious using both hands pressing test specimen presence, the abrasion head that can be also rotated scratches skin
The problem of.In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of piece fixture on wet wheel abrasion instrument provided by the utility model, including piece fixture ontology, it is described
There are three the settings of piece fixture ontology, along the circumferential directions of circular configuration specimen stage；
Piece fixture ontology includes two fixed piece fixtures and a movable piece fixture, wherein fixed test specimen
Fixture is fixed on specimen stage, and movable piece fixture is flexibly connected with specimen stage.
Preferably, the specimen stage includes bearing plate and sliding rail, and the sliding rail is fixed on the bearing plate of circular configuration, and
The arc-shaped structure of sliding rail；Sliding rail is slidably connected with movable piece fixture.
Preferably, fixed piece fixture is identical with the structure of movable piece fixture, wherein movable piece fixture
It is made of fixture base, fixture mount, transverse connection, vertical connector, handle and vertical telescopic rod；
Wherein, the fixture mount includes two support plates of parallel arrangement, and support plate is bolted on fixture bottom
On seat；
Transverse connection is arranged between two support plates, and is articulated and connected with support plate；
Handle is y-type structure, and the open end of handle passes through transverse connection and is installed in fixture mount, and and fixture mount
Articulated connection；
Vertical connector is X-type structure, wherein vertical connector is placed in the open end of handle, and the one of vertical connector
End is installed on the middle position of transverse connection, and is articulated and connected with transverse connection；The other end and handle are articulated and connected；
The free end of transverse connection is open end, and is connect with vertical telescopic rod.
Preferably, vertical telescopic rod includes sleeve, nut, gasket, compression bar main shaft and pressure head, wherein the one of compression bar main shaft
End is connect with pressure head, and the other end is set with sleeve, external screw thread is offered on the sleeve, external screw thread is cooperatively connected, and there are two spiral shells
Mother, there are two gaskets, gasket to be sleeved on sleeve for setting between two nuts；
The open end of transverse connection is installed on sleeve, and is placed between two gaskets, and is carried out by two nuts
It is fixed.
Preferably, it is further sleeved with spring on compression bar main shaft, spring is placed between sleeve and pressure head.
Preferably, bolt is additionally provided on compression bar main shaft, the bolt is placed in the top of sleeve.
Preferably, it is provided with rubber block on pressure head, is in contact by rubber block with the test specimen pallet on wet wheel abrasion instrument.
Compared with prior art, the utility model has the beneficial effects that
A kind of piece fixture on wet wheel abrasion instrument provided by the utility model, in a movable piece fixture
With under the collective effect of two fixed piece fixtures, it can be achieved that operative constraint to test specimen, the structure effectively prevent existing skill
For art because constraining insufficient problem caused by piece fixture lazy weight, this effectively ensures the accuracy of test result, and improves
Test efficiency and success rate.
Further, by the pressure head of the spring and its end setting that are arranged in the compression bar that vertically stretches, it ensure that test specimen presss from both sides
Has the flexible constraint to test specimen.
Further, it ensure that piece fixture to the flexible constraint of test specimen, avoids test specimen by pressure break by rubber block.
Detailed description of the invention
Fig. 1 be the utility model relates to piece fixture structural schematic diagram；
Fig. 2 is the structural schematic diagram of piece fixture ontology；
Fig. 3 is the structural schematic diagram of vertical telescopic rod；
Fig. 4 is the structural schematic diagram of specimen stage；
Fig. 5 is the cooperation schematic diagram between specimen stage and piece fixture；
Wherein, 1, specimen stage 1-1, bearing plate 1-2, sliding rail 2, movable piece fixture 2-1, fixture base 2-
2, fixture mount 2-3, transverse connection 2-4, vertical connector 2-5, handle 2-6, vertical telescopic rod 2-6-1, bolt
2-6-2, sleeve 2-6-3, nut 2-6-4, gasket 2-6-5, compression bar main shaft 2-6-6, spring 2-6-7, pressure head 2-7, cunning
Slot 3, fixed piece fixture 4, test specimen pallet.
Specific embodiment
With reference to the accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of piece fixture on wet wheel abrasion instrument provided by the utility model, including piece fixture
Ontology, there are three the piece fixture ontology settings, along the circumferential directions of circular configuration specimen stage 1.
Piece fixture ontology includes two fixed piece fixtures 3 and a movable piece fixture 2, wherein fixed examination
Part fixture 3 is welded on specimen stage 1, and movable piece fixture 2 is flexibly connected with specimen stage 1.
As shown in Fig. 2, movable piece fixture 2 include fixture base 2-1, fixture mount 2-2, transverse connection 2-3,
Vertical connector 2-4, handle 2-5 and vertical telescopic rod 2-6 composition；
Wherein, the fixture mount 2-2 includes two support plates of parallel arrangement, and support plate is bolted on fixture
On pedestal 2-1.
Transverse connection 2-3 is arranged between two support plates, and is articulated and connected with support plate.
Handle 2-5 is y-type structure, and the open end of handle 2-5 passes through transverse connection 2-3 and is installed on fixture mount 2-2,
And it is articulated and connected with fixture mount 2-2；Handle 2-5 and the installation direction of transverse connection 2-3 are orthogonal.
Vertical connector 2-4 is X-type structure, wherein vertical connector 2-4 is placed in the open end of handle 2-5, is vertically connected
One end of fitting 2-4 is installed on the middle position of transverse connection 2-3, and is articulated and connected with transverse connection 2-3；The other end with
Handle 2-5 articulated connection.
The free end of transverse connection 2-3 is open end, and is connect with vertical telescopic rod 2-6.
The bottom of fixture base 2-1 offers sliding slot 2-7, and the fixture base and movable test specimen of fixed piece fixture are pressed from both sides
The fixture base of tool is the difference is that without sliding slot.
As shown in figure 3, vertical telescopic rod 2-6 includes bolt 2-6-1, sleeve 2-6-2, nut 2-6-3, gasket 2-6-4, pressure
Bar main shaft 2-6-5, spring 2-6-6 and pressure head 2-6-7, wherein one end of compression bar main shaft 2-6-5 is connect with pressure head 2-6-7, another
End is equipped with bolt 2-6-1, and sleeve 2-6-2, the sleeve 2- are set on the lower section of bolt 2-6-1, compression bar main shaft 2-6-5
Offer external screw thread on 6-2, shown external screw thread is cooperatively connected there are two nut 2-6-3, is provided with two between two nut 2-6-3
A gasket 2-6-4, gasket 2-6-4 are sleeved on sleeve 2-6-2.
The open end of transverse connection 2-3 is installed on sleeve 2-6-2, and is placed between two gasket 2-6-4, and pass through
Two nut 2-6-3 are fixed.
Be further sleeved with spring 2-6-6 on compression bar main shaft 2-6-5, spring 2-6-6 be placed in sleeve 2-6-2 and pressure head 2-6-7 it
Between, so that pressure head 2-6-7 is generated downward active force；
Wherein, the bolt 2-6-1 is in " dumbbell shaped " structure, for preventing sleeve 2-6-2 from falling off；
The overall structure of the pressure head 2-6-7 is rectangle, and rectangular rubber block is provided on pressure head 2-6-7, to guarantee
With test specimen flexible surface contact.
As shown in figure 4, the specimen stage 1 includes bearing plate 1-1 and sliding rail 1-2, the bearing plate 1-1 are circular configuration,
Its center is set as aperture；Test specimen pallet 4 is provided on the bearing plate 1-1, the bottom of test specimen pallet 4 is provided with cylinder
Body bulge-structure, the bulge-structure are used cooperatively with aperture, to realize the fixation of test specimen pallet 4 Yu bearing plate 1-1.
The sliding rail 1-2 is fixed on bearing plate 1-1, and its overall structure is arc-shaped, with the sliding slot on fixture base 2-1
2-7 is used cooperatively.
A rectangular block is respectively arranged in the both ends of sliding rail 1-2, and is connected by bolt with bearing plate 1-1, prevents fixture
Pedestal 2-1 is detached from sliding rail 1-2.
Working principle:
Test specimen is placed in test specimen pallet 4, and the two is integrally fastened on the specimen stage 1, specifically:
Firstly, pulling handle 2-5, drives transverse connection 2-3 to move upwards, and then drive by vertical connector 2-4
Vertical telescopic rod 2-6 is moved upwards；
Secondly, mobile movable piece fixture 2, is fixed for increasing the movable piece fixture 2 with one of
Arc length between piece fixture 3 is placed on specimen stage 1 convenient for test specimen pallet 4；
Finally, movable piece fixture 2 is moved to original position, and pulling handle 2-5 transports vertical telescopic rod 2-6 downwards
It is dynamic, have the function that fixed test specimen and the test specimen pallet 4, while successively pulling the handle of two fixed piece fixtures 3, with solid
Test specimen and the test specimen pallet 4 are determined, at this point, the pressure head 2-6-7 due to the end vertical telescopic rod 2-6 is rubber block, in test specimen
In compaction process, it is not easy to generate stress concentration phenomenon, and then avoid test specimen by pressure break.
Claims (7)
1. a kind of piece fixture on wet wheel abrasion instrument, which is characterized in that including piece fixture ontology, the piece fixture
There are three ontology settings, the circumferential directions along circular configuration specimen stage (1)；
Piece fixture ontology includes two fixed piece fixtures (3) and a movable piece fixture (2), wherein fixed examination
Part fixture (3) is fixed on specimen stage (1), and movable piece fixture (2) is flexibly connected with specimen stage (1).
2. a kind of piece fixture on wet wheel abrasion instrument according to claim 1, which is characterized in that the specimen stage
It (1) include bearing plate (1-1) and sliding rail (1-2), the sliding rail (1-2) is fixed on the bearing plate (1-1) of circular configuration, and sliding
Rail (1-2) arc-shaped structure；Sliding rail (1-2) is slidably connected with movable piece fixture (2).
3. a kind of piece fixture on wet wheel abrasion instrument according to claim 1 or 2, which is characterized in that fixed examination
Part fixture (3) is identical with the structure of movable piece fixture (2), wherein movable piece fixture (2) includes fixture base
(2-1), fixture mount (2-2), transverse connection (2-3), vertical connector (2-4), handle (2-5) and vertical telescopic rod (2-
6)；
Wherein, the fixture mount (2-2) includes two support plates of parallel arrangement, and support plate is bolted on fixture bottom
On seat (2-1)；
Transverse connection (2-3) is arranged between two support plates, and is articulated and connected with support plate；
Handle (2-5) is y-type structure, and the open end of handle (2-5) passes through transverse connection (2-3) and is installed on fixture mount (2-
2) it on, and is articulated and connected with fixture mount (2-2)；
Vertical connector (2-4) is X-type structure, wherein vertical connector (2-4) is placed in the open end of handle (2-5), vertically
One end of connector (2-4) is installed on the middle position of transverse connection (2-3), and is articulated and connected with transverse connection (2-3)；
The other end and handle (2-5) are articulated and connected；
The free end of transverse connection (2-3) is open end, and is connect with vertical telescopic rod (2-6).
4. a kind of piece fixture on wet wheel abrasion instrument according to claim 3, which is characterized in that vertical telescopic rod
(2-6) includes sleeve (2-6-2), nut (2-6-3), gasket (2-6-4), compression bar main shaft (2-6-5) and pressure head (2-6-7),
In, one end of compression bar main shaft (2-6-5) is connect with pressure head (2-6-7), and the other end is set with sleeve (2-6-2), the sleeve (2-
External screw thread is offered on 6-2), there are two external screw thread mating connections nut (2-6-3), is provided between two nuts (2-6-3)
Two gaskets (2-6-4), gasket (2-6-4) are sleeved on sleeve (2-6-2)；
The open end of transverse connection (2-3) is installed on sleeve (2-6-2), and is placed between two gaskets (2-6-4), and lead to
Two nuts (2-6-3) are crossed to be fixed.
5. a kind of piece fixture on wet wheel abrasion instrument according to claim 4, which is characterized in that compression bar main shaft
It is further sleeved on (2-6-5) spring (2-6-6), spring (2-6-6) is placed between sleeve (2-6-2) and pressure head (2-6-7).
6. a kind of piece fixture on wet wheel abrasion instrument according to claim 4, which is characterized in that compression bar main shaft
It is additionally provided on (2-6-5) bolt (2-6-1), the bolt (2-6-1) is placed in the top of sleeve (2-6-2).
7. a kind of piece fixture on wet wheel abrasion instrument according to any one of claim 4-6, which is characterized in that
It is provided with rubber block on pressure head (2-6-7), is in contact by rubber block with the test specimen pallet on wet wheel abrasion instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597856.1U CN209182182U (en) | 2018-09-28 | 2018-09-28 | A kind of piece fixture on wet wheel abrasion instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597856.1U CN209182182U (en) | 2018-09-28 | 2018-09-28 | A kind of piece fixture on wet wheel abrasion instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182182U true CN209182182U (en) | 2019-07-30 |
Family
ID=67360584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821597856.1U Expired - Fee Related CN209182182U (en) | 2018-09-28 | 2018-09-28 | A kind of piece fixture on wet wheel abrasion instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209182182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618051A (en) * | 2019-09-27 | 2019-12-27 | 长安大学 | Improved device of sample containing disc of wet wheel abrasion instrument and working method thereof |
-
2018
- 2018-09-28 CN CN201821597856.1U patent/CN209182182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618051A (en) * | 2019-09-27 | 2019-12-27 | 长安大学 | Improved device of sample containing disc of wet wheel abrasion instrument and working method thereof |
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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: 20190730 Termination date: 20200928 |