CN208076525U - Marshall stability analyzer - Google Patents
Marshall stability analyzer Download PDFInfo
- Publication number
- CN208076525U CN208076525U CN201820519949.6U CN201820519949U CN208076525U CN 208076525 U CN208076525 U CN 208076525U CN 201820519949 U CN201820519949 U CN 201820519949U CN 208076525 U CN208076525 U CN 208076525U
- Authority
- CN
- China
- Prior art keywords
- column
- pallet
- push
- pedestal
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Marshall stability analyzers, its key points of the technical solution are that：Including controller and pedestal, the first column and the second column are provided on the pedestal, crossbeam is equipped between first column and the second column, the crossbeam is equipped with mounting bracket, the mounting bracket is equipped with the pressure sensor being electrically connected with the controller, hydraulic cylinder is equipped in the pedestal, the piston rod of the hydraulic cylinder extend out to outside pedestal and is connected with pallet, on the pallet piece fixture is arranged right below positioned at pressure sensor, the piece fixture includes the push-down head being set on pallet, and seaming chuck, the first threaded hole is offered on the push-down head, the first screw rod for being threadedly coupled with the first threaded hole is provided on the end face of the pallet direction support push-down head.By the way that the first threaded hole and the first screw rod is arranged relatively stablely so that push-down head can be installed on pallet, and stability is good, be conducive to the measurement accuracy for promoting this Marshall stability analyzer.
Description
Technical field
The utility model is related to road test instrument technical field, more particularly to a kind of Marshall stability analyzer.
Background technology
Asphalt is the general name of the mixture made of mineral aggregate and asphalt binder stirring, is widely used in road
Engineering field.Marshall stability analyzer is suitable for measuring the ability of the thermal stability and plasticity_resistant deformation of asphalt,
Accurate foundation is provided for the composition and ratio design of asphalt.
Existing notification number is that the Chinese patent of CN201945506U discloses a kind of full-automatic Marshall stabilization of intelligent temperature control
Tester is spent, including gearbox, column, crossbeam, pallet, seaming chuck, push-down head, hangs bolt, load cell, crossbeam passes through column
Support be connected with gearbox, seaming chuck, push-down head are connected by the support of pallet with gearbox, and load cell passes through
Hang the top that bolt is fixed on crossbeam and is located at seaming chuck.Although the Full-automatic intelligent temperature-controlled marshall stability test instrument can
The ability of the thermal stability and plasticity_resistant deformation of measurement asphalt, but the support by pallet and speed change due to push-down head
Case is connected, and relative movement is susceptible between push-down head and pallet, and stability is bad.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of Marshall stability measurement
Instrument, stability are good.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of Marshall stability
Analyzer, including controller and pedestal are provided with the first column and the second column, first column and second on the pedestal
Crossbeam is equipped between column, the crossbeam is equipped with mounting bracket, and the mounting bracket is equipped with the pressure being electrically connected with the controller and passes
Sensor, the pedestal is interior to be equipped with hydraulic cylinder, and the piston rod of the hydraulic cylinder extend out to outside pedestal and is connected with pallet, the pallet
Upper to be arranged right below piece fixture positioned at pressure sensor, the piece fixture includes the push-down head being set on pallet, Yi Jishang
Pressure head, offers the first threaded hole on the push-down head, and the pallet is towards being provided on the end face of support push-down head for the
The first screw rod that one threaded hole is threadedly coupled.
Through the above technical solutions, the Marshall stability analyzer is when in use, experimenter is by columned test specimen
Clamping is between push-down head and seaming chuck, and seaming chuck coordinates under gravity with push-down head to clamp test specimen, then liquid
The piston rod of cylinder pressure extends, and then drives seaming chuck and push-down head to move upwards by pallet, until seaming chuck and pressure sensing
Device is direct, and the piston rod of hydraulic cylinder continues to extend, until test specimen is crushed, the power measured is conducted to control by pressure sensor at this time
Device processed, controller show the power that detected in digital form.When push-down head is installed on pallet, the first screw rod
It is inserted into the threaded connection of first the first threaded hole of threaded hole inscribe, then push-down head can be installed on pallet relatively stablely, be stablized
Property is good, is conducive to the measurement accuracy for promoting this Marshall stability analyzer.
Preferably, the push-down head is equipped with guide rod away from the end face of pallet, is offered on the seaming chuck for supplying
The pilot hole that guide rod is passed through and is slidably matched with guide rod.
Through the above technical solutions, guide rod coordinates with pilot hole so that seaming chuck more can be moved up and down smoothly, surely
It is qualitative good, be conducive to the measurement accuracy for promoting this Marshall stability analyzer.
Preferably, the seaming chuck is provided with towards the second threaded hole is offered on the end face of crossbeam on the seaming chuck
Block is replaced, the second screw rod being threadedly coupled with the second threaded hole is provided on the replacement block, the replacement block is located at pressure biography
Immediately below sensor.
Through the above technical solutions, the Marshall stability analyzer is when in use, seaming chuck and pressure can be replaced soon by replacing
Force snesor contacts, and reduces the abrasion of seaming chuck, is conducive to extend the service life of seaming chuck.
Preferably, it is provided with convex block on the side wall of the seaming chuck, is rotated on second column and is provided with locating piece, institute
It states and offers guide hole on locating piece, the column passes through guide hole and is rotatably assorted with guide hole, and the locating piece deviates from the end of pedestal
Face with the end face of convex block towards pedestal for abutting.
Through the above technical solutions, the Marshall stability analyzer is in clamping test specimen, experimenter by seaming chuck to
Upper movement, then rotating locating blocks, until locating piece is located at underbump, then seaming chuck downlink, up to convex block is towards rack
End face and locating piece is abutted away from the end face of rack, then test specimen is put between seaming chuck and push-down head, then will be positioned
Block rotates 90 degree, and locating piece is detached away from the end face of rack with the end face of convex block towards rack, effect of the seaming chuck in gravity
It is lower to coordinate to clamp test specimen with push-down head.By the way that locating piece is arranged so that experimenter need not lift seaming chuck always with hand,
Be conducive to mitigate the labor intensity of experimenter.
Preferably, the circumferential direction of the second column of side wall upper edge of second column offers locating slot, the side of the guide hole
Wall is equipped with the locating ring for being embedded into locating slot.
Through the above technical solutions, locating ring coordinates with locating slot so that it is vertical to be less prone between briquetting and fixed link
The relative movement in direction.
Preferably, several card holes are offered on the bottom wall of the locating slot, the locating ring is opened on the end face of briquetting
Equipped with groove, in the groove sliding be provided with the fixture block for being engaged by clamping with card hole, the bottom wall of the fixture block and groove it
Between be equipped with for driving fixture block to protrude from the spring of groove.
Through the above technical solutions, when fixture block is engaged by clamping with card hole, locating piece can remain secured to the shape of the second column
State.
Preferably, the fixture block passes through briquetting and is connected with plate towards pull rod, the pull rod is provided on the end face of spring
Body, the spring are set on pull rod.
Through the above technical solutions, experimenter can be extracted from card hole fixture block out by pull rod and plate body, and then test
The rotatable locating piece of personnel so that locating piece is detached away from the end face of rack with the end face of convex block towards rack.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：
1, by the way that the first threaded hole and the first screw rod is arranged relatively stablely so that push-down head can be installed on pallet, surely
It is qualitative good, be conducive to the measurement accuracy for promoting this Marshall stability analyzer；
2, by the way that guide rod and pilot hole is arranged so that seaming chuck more can be moved up and down smoothly, and stability is good, favorably
In the measurement accuracy for promoting this Marshall stability analyzer.
Description of the drawings
Fig. 1 is the structural schematic diagram of Marshall stability analyzer in embodiment, and main prominent Marshall stability measures
The concrete structure of instrument；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is diagrammatic cross-sections of the Fig. 2 along I-I lines, mounting structure, Yi Jigeng between main prominent push-down head and pallet
Change the mounting structure between block and seaming chuck；
Fig. 4 is the enlarged drawing at B in Fig. 3, the mounting structure between main prominent locating piece and the second column.
Reference numeral：1, controller；2, pedestal；3, the first column；4, the second column；5, crossbeam；6, mounting bracket；7, pressure
Sensor；8, hydraulic cylinder；9, pallet；10, piece fixture；101, seaming chuck；102, push-down head；11, convex block；12, the first screw thread
Hole；13, the first screw rod；14, guide rod；15, pilot hole；16, the second threaded hole；17, block is replaced；18, the second screw rod；19, fixed
Position slot；20, card hole；21, locating piece；22, guide hole；23, locating ring；24, groove；25, fixture block；26, spring；27, pull rod；28,
Plate body.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
As illustrated in fig. 1 and 2, a kind of Marshall stability analyzer, including controller 1 and pedestal 2, it is fixed on pedestal 2 to connect
It is connected to the first column 3 and the second column 4, crossbeam 5 is equipped between the first column 3 and the second column 4, is installed on crossbeam 5
Mounting bracket 6, mounting bracket 6 are equipped with the pressure sensor 7 being electrically connected with controller 1, as shown in figure 3, being equipped with hydraulic cylinder in pedestal 2
8, the piston rod of hydraulic cylinder 8 extend out to outside pedestal 2 and is connected with pallet 9, is arranged right below positioned at pressure sensor 7 on pallet 9
Piece fixture 10, piece fixture 10 include the push-down head 102 being set on pallet 9 and seaming chuck 101, the side wall of seaming chuck 101
On be provided with convex block 11.
When in use, experimenter is by columned test specimen clamping in 102 He of push-down head for the Marshall stability analyzer
Between seaming chuck 101, seaming chuck 101 coordinates under gravity with push-down head 102 to clamp test specimen, then hydraulic cylinder 8
Piston rod elongation, and then drive seaming chuck 101 and push-down head 102 to move upwards by pallet 9, until seaming chuck 101 and pressure
Force snesor 7 is direct, and the piston rod of hydraulic cylinder 8 continues to extend, until test specimen is crushed, pressure sensor 7 will be measured at this time
Power is conducted to controller 1, and controller 1 shows the power that detected in digital form.
As shown in Figures 2 and 3, the first threaded hole 12 is offered on push-down head 102, pallet 9 is towards the end face of support push-down head 102
On be provided with the first screw rod 13 for being threadedly coupled with the first threaded hole 12.When push-down head 102 is installed on pallet 9,
First screw rod 13 is inserted into the threaded connection of 12 the first threaded hole of inscribe 12 of the first threaded hole, then push-down head 102 can relatively stablely
It is installed on pallet 9, stability is good, is conducive to the measurement accuracy for promoting this Marshall stability analyzer.
Push-down head 102 is equipped with guide rod 14 away from the end face of pallet 9, is offered for for guide rod on seaming chuck 101
14 pilot holes 15 for passing through and being slidably matched with guide rod 14, guide rod 14 and pilot hole 15 coordinate so that seaming chuck 101 can be compared with
Smoothly to move up and down, stability is good, is conducive to the measurement accuracy for promoting this Marshall stability analyzer.
Seaming chuck 101 is provided with replacement block towards the second threaded hole 16 is offered on the end face of crossbeam 5 on seaming chuck 101
17, it replaces and is provided with the second screw rod 18 being threadedly coupled with the second threaded hole 16 on block 17, replace block 17 and be located at pressure sensor 7
Underface.When in use, replacement can be contacted instead of seaming chuck 101 with pressure sensor 7 the Marshall stability analyzer soon, be subtracted
The abrasion for having lacked seaming chuck 101 is conducive to extend the service life of seaming chuck 101.
As shown in Figures 3 and 4, locating slot 19, week of the locating slot 19 along the second column 4 are offered on the side wall of the second column 4
To opening up.Card hole 20 is offered on the bottom wall of locating slot 19, card hole 20 is cylindrical hole, and the quantity of card hole 20 is four, four cards
Hole 20 is equidistant circumferential section, and one of card hole 20 is arranged towards convex block 11.
Rotation is provided with locating piece 21 on second column 4, and locating piece 21 is cuboid, and guide hole is offered on locating piece 21
22, guide hole 22 is opened up along the thickness direction of locating piece 21.The positioning being embedded into locating slot 19 is provided on the side wall of guide hole 22
Ring 23, locating ring 23 are annular shape, and locating ring 23 is connect with briquetting integral type.Locating ring 23 offers on the end face of briquetting
The section of groove 24, groove 24 is circle, and the fixture block 25 being provided with for being engaged by clamping with card hole 20, fixture block are slided in groove 24
25 one end for deviating from the bottom wall of groove 24 are arcwall face, are provided between fixture block 25 and the bottom wall of groove 24 for driving fixture block 25
The spring 26 of groove 24 is protruded from, 26 one end of spring is fixedly connected with fixture block 25, and the other end is fixedly connected with the bottom wall of groove 24.
Fixture block 25 passes through locating ring 23 and is connected with plate towards pull rod 27, pull rod 27 is fixedly connected on the end face of spring 26
Body 28, plate body 28 are used to pull pull rod 27 to provide the point of application for user, and spring 26 is set on pull rod 27.
For the Marshall stability analyzer in clamping test specimen, experimenter moves up seaming chuck 101, then rotates
Locating piece 21, until locating piece 21 is located at 11 lower section of convex block, fixture block 25 is embedded into card hole 20 at this time, then locating piece 21 is more steady
Surely the state of the lower section of convex block 11 is remained in, then 101 downlink of seaming chuck, until convex block 11 is towards the end face of rack and positioning
Block 21 is abutted away from the end face of rack, and then test specimen is put between seaming chuck 101 and push-down head 102, then passes through plate body 28
It pulls pull rod 27 to be moved to away from 20 direction of card hole, and then fixture block 25 is driven to be extracted out from card hole 20, in the process spring 26
It can be compressed, locating piece 21 is then rotated 90 degree, fixture block 25 can be embedded into card hole 20 under the reset response of spring 26,
Locating piece 21 is fixed in fixed link at this time, and locating piece 21 away from rack end face and convex block 11 towards the end face of rack
Separation, seaming chuck 101 coordinate with push-down head 102 to clamp test specimen under gravity.By the way that locating piece 21 is arranged so that
Experimenter need not lift seaming chuck 101 always with hand, be conducive to the labor intensity for mitigating experimenter.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the scope of protection of the utility model is determined by the attached claims.
Claims (7)
1. a kind of Marshall stability analyzer, including controller (1) and pedestal (2), it is vertical that first is provided on the pedestal (2)
Column (3) and the second column (4) are equipped with crossbeam (5), on the crossbeam (5) between first column (3) and the second column (4)
Equipped with mounting bracket (6), the mounting bracket (6) is equipped with the pressure sensor (7) being electrically connected with controller (1), the pedestal (2)
Interior to be equipped with hydraulic cylinder (8), the piston rod of the hydraulic cylinder (8) extend out to pedestal (2) outside and is connected with pallet (9), the pallet
(9) it is arranged right below piece fixture (10) positioned at pressure sensor (7) on, the piece fixture (10) includes being set to pallet (9)
On push-down head (102) and seaming chuck (101), it is characterized in that：The first threaded hole is offered on the push-down head (102)
(12), the pallet (9) is towards being provided on the end face of support push-down head (102) for being threadedly coupled with the first threaded hole (12)
First screw rod (13).
2. Marshall stability analyzer according to claim 1, it is characterized in that：The push-down head (102) deviates from pallet
(9) end face is equipped with guide rod (14), offer on the seaming chuck (101) for passed through for guide rod (14) and with guiding
The pilot hole (15) that bar (14) is slidably matched.
3. Marshall stability analyzer according to claim 1, it is characterized in that：The seaming chuck (101) is towards crossbeam
(5) the second threaded hole (16) is offered on end face, is provided on the seaming chuck (101) and is replaced block (17), the replacement block
(17) the second screw rod (18) being threadedly coupled with the second threaded hole (16) is provided on, the replacement block (17) is located at pressure sensing
Immediately below device (7).
4. Marshall stability analyzer according to claim 1, it is characterized in that：On the side wall of the seaming chuck (101)
It is provided with convex block (11), is rotated on second column (4) and is provided with locating piece (21), offered and lead on the locating piece (21)
Hole (22), the column pass through guide hole (22) and are rotatably assorted with guide hole (22), and the locating piece (21) deviates from the end of pedestal (2)
Face with the end face of convex block (11) towards pedestal (2) for abutting.
5. Marshall stability analyzer according to claim 4, it is characterized in that：On the side wall of second column (4)
Locating slot (19) is offered along the circumferential direction of the second column (4), the side wall of the guide hole (22) is equipped with for being embedded into locating slot
(19) locating ring (23).
6. Marshall stability analyzer according to claim 5, it is characterized in that：It is opened on the bottom wall of the locating slot (19)
Equipped with several card holes (20), the locating ring (23) opens up fluted (24) on the end face of briquetting, in the groove (24)
Sliding is provided with the fixture block (25) for being engaged by clamping with card hole (20), is set between the fixture block (25) and the bottom wall of groove (24)
It is useful for the spring (26) that driving fixture block (25) protrudes from groove (24).
7. Marshall stability analyzer according to claim 6, it is characterized in that：The fixture block (25) is towards spring (26)
End face on be provided with pull rod (27), the pull rod (27) passes through briquetting and is connected with plate body (28), and the spring (26) is arranged
On pull rod (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519949.6U CN208076525U (en) | 2018-04-12 | 2018-04-12 | Marshall stability analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519949.6U CN208076525U (en) | 2018-04-12 | 2018-04-12 | Marshall stability analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076525U true CN208076525U (en) | 2018-11-09 |
Family
ID=64040937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820519949.6U Expired - Fee Related CN208076525U (en) | 2018-04-12 | 2018-04-12 | Marshall stability analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076525U (en) |
-
2018
- 2018-04-12 CN CN201820519949.6U patent/CN208076525U/en not_active Expired - Fee Related
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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: 20181109 |