CN207623127U - A kind of Marshall stability test instrument - Google Patents
A kind of Marshall stability test instrument Download PDFInfo
- Publication number
- CN207623127U CN207623127U CN201721841937.7U CN201721841937U CN207623127U CN 207623127 U CN207623127 U CN 207623127U CN 201721841937 U CN201721841937 U CN 201721841937U CN 207623127 U CN207623127 U CN 207623127U
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- locking level
- stability test
- pressure sensor
- test instrument
- hole
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Abstract
The utility model discloses a kind of Marshall stability test instrument, including pedestal, two supporting rods being fixed on pedestal, the crossbeam for being set to post upper, pedestal is equipped with actuator, the clamp assembly being set on actuator, the adjusting rod that crossbeam is equipped with adjustment hole, slides grafting adjustment hole, adjusting rod lower end is equipped with pressure sensor, pressure sensor lower end is equipped with pressure head, the locking level that beam side wall is equipped with sliding eye, slides grafting sliding eye, and adjusting rod side wall is equipped with lock hole.The utility model has the following advantages and effect：When detecting sample, holds pressure sensor and move downward, when pressure head contacts at clamp assembly, adjusting rod is fixed on crossbeam by locking level locking latch hole.Move downward and contradict clamp assembly by pulling with hand pressure sensor, can by pressure sensor being positioned on clamp assembly gently, avoid clamp assembly from hitting the effect of pressure head.By the way that new structure is arranged so that the numerical error smaller detected.
Description
Technical field
The utility model is related to geotechnological instrument manufacturing field, more particularly to a kind of Marshall stability test instrument.
Background technology
Marshall stability analyzer is the necessary equipment of Current Highway quality inspection, is primarily adapted for use in and measures asphalt
Thermal stability, the ability of plasticity_resistant deformation, stability and flow valuve, for asphalt composition and ratio design provide accurately according to
According to.
Authorization Notice No. is that the Chinese patent of CN205898549U discloses a kind of Marshall stability test instrument, including bottom
Seat, sets that there are two columns on pedestal, and a crossbeam is provided between column；Pedestal is equipped with clamp assembly, clamp assembly connection
On pedestal；Clamp assembly fixture including a upper fixture and once；Pedestal is equipped with driving mechanism, to drive upper fixture close to institute
Lower fixture, or the driving upper fixture are stated far from lower fixture；Several pressure sensors are provided with above upper fixture, the pressure
Sensor is installed on crossbeam.
Above-mentioned Marshall stability test instrument in use, when needing to detect sample, is driven by driving mechanism
Clamp assembly rises so that and clamp assembly upper end contacts at the pressure head on pressure sensor, but due to driving mechanism itself
Unstability, in clamp assembly uphill process, clamp assembly hits pressure head, and pressure head can be caused to shake or deviate, and causes to measure essence
It spends low, has much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of Marshall stability test instrument, has and clamp assembly is avoided to hit pressure
The effect of the pressure head of sensor.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of Marshall stability
Tester, including pedestal, be fixed on the pedestal two supporting rods, be set to the crossbeam of the post upper, it is described
Pedestal is equipped with actuator, the clamp assembly being set on the actuator, and the crossbeam is equipped with adjustment hole, sliding grafting institute
The adjusting rod of adjustment hole is stated, the adjusting rod lower end is equipped with pressure sensor, and the pressure sensor lower end is equipped with pressure head, described
Beam side wall be equipped with sliding eye, sliding grafting described in sliding eye locking level, the adjusting rod side wall be equipped with it is multiple from top to bottom
Uniformly arrangement and the lock hole for the locking level grafting.
Sample is fixed in clamp assembly, is pulled out when needing to detect sample by using above-mentioned technical proposal
Locking level makes locking level be slided along sliding eye, and when locking level be detached from lock hole after, hand-pull pressure sensor to
Lower movement, pressure sensor drives adjusting rod along adjustment hole slide downward, when the pressure head of the lower face of pressure sensor contradicts
When clamp assembly, locking level is inserted into sliding eye, locking level, locking level is inwardly pushed to be locked along sliding eye sliding and grafting
After determining hole, adjusting rod is fixed on crossbeam, starts actuator, actuator drives clamp assembly to move upwards, you can measuring needs
The data to be detected.It is moved downward by pulling with hand pressure sensor so that pressure head contradicts clamp assembly, it can be by pressure sensing
Device being positioned on clamp assembly gently, and then achieved the effect that the pressure head for avoiding clamp assembly from hitting pressure sensor.
The utility model is further arranged to：The pressure sensor upper surface is equipped with multiple gag lever posts, the crossbeam
It is equipped with the limit hole for the gag lever post grafting.
By using above-mentioned technical proposal, when pulling pressure sensor to move up and down, the limit of pressure sensor upper surface
Position bar is slided up and down along limit hole, the direction of motion of limiter pressure sensor, and pressure sensor is avoided by the way that gag lever post is arranged
It rotates when movement.
The utility model is further arranged to：The beam side wall is equipped with support base, and the support base is equipped with for institute
The through-hole that locking level is worn is stated, the locking level outer wall is equipped with baffle ring, is sheathed on the locking level outer wall and is used to drive described
The spring of lock hole described in locking level grafting, the spring one end is fixed on the baffle ring and the other end is fixed on the support base
Inner wall.
By using above-mentioned technical proposal, when pulling out locking level, locking level slides in and out along through-hole, locking level band
Dynamic baffle ring movement, baffle ring presses spring-compressed at this time.After adjusting rod is adjusted, locking level is unclamped, spring extends at this time, pushes away
Dynamic baffle ring counter motion, baffle ring drives locking level to be moved towards lock hole direction, until locking level locking latch hole, by adjusting rod
It is fixed.Automatically reseting for locking level is realized by the way that spring is arranged so that the adjusting of adjusting rod is more convenient.
The utility model is further arranged to：The support base outer wall is equipped with the card for being articulated with the support base outer wall
Hook, the locking level outer wall are equipped with the card slot hooked for the grab.
Grab is rotated, grab direction is made after pulling out locking level disengaging lock hole by using above-mentioned technical proposal
After the rotation of card slot direction in embedded card slot, the axial direction movement of locking level is limited.
The utility model is further arranged to：The actuator includes the cylinder being set on the pedestal, is fixed on
Pallet on the cylinder piston rod, the clamp assembly includes the lower fixture being positioned on the pallet, be covered in it is described under
The upper surface of the upper fixture of fixture upper surface, the lower fixture is equipped with multiple guide rods, and the upper fixture is equipped with described in confession and leads
To the pilot hole of bar grafting.
Sample is positioned in lower fixture after removing upper fixture and lower fixture by using above-mentioned technical proposal, it will
After the pilot hole alignment guide bar of upper fixture, guide rod is inserted into pilot hole, upper fixture is pushed to be moved downward along guide rod,
So that upper fixture is covered in lower fixture and sample is fixed between upper fixture and lower fixture.By upper fixture, lower fixture, sample one
With cylinder after lifting and being positioned on pallet, is started, the piston rod of cylinder, which stretches out, pushes pallet to move upwards, and pallet drives and presss from both sides
Tool, lower fixture, sample move upwardly together.
The utility model is further arranged to：The pallet upper surface is equipped with multiple locating rods, under the lower fixture
End face is equipped with the location hole for the locating rod grafting.
By using above-mentioned technical proposal, when preventing clamp assembly, after the location hole alignment locating rod of lower fixture, to
Fixture under lower promotion so that in locating rod grafting location hole, lower fixture is fixed on pallet, is avoided in motion process, lower folder
Tool slides relative to pallet upper surface and rotates.
The utility model is further arranged to：The pallet upper surface is equipped with rubber pad.
Lower fixture is avoided to hit pallet upper surface, to pallet by the way that rubber pad is arranged by using above-mentioned technical proposal
It causes to wear in upper surface.
The utility model is further arranged to：The guide rod is internally provided with shoe cream room, wears the guide rod outer wall
And it is communicated in the oilhole of the shoe cream room.
By using above-mentioned technical proposal, when needing upper fixture being covered in lower fixture, lubricating oil is injected into shoe cream rooms
Interior, lubricating oil is flowed into along shoe cream room in oilhole, is flow to guide rod outer wall along oilhole, is reduced between guide rod and pilot hole
Frictional force.Lubricating oil is coated on guide rod outer wall with hairbrush relative to traditional testing staff, the above method is more convenient fast
It is prompt.
The utility model is further arranged to：The oilhole is inclined to set and is communicated in one end height of the shoe cream room
In the other end.
Lubricating oil can be accelerated to flow to guide rod by the way that oilhole is set as skewed by using above-mentioned technical proposal
Outer wall.
The utility model is further arranged to：The pedestal lower face is equipped with multiple non-slipping blocks.
By using above-mentioned technical proposal, increases the frictional force of pedestal and experiment desktop by the way that non-slipping block is arranged, avoid work
During work, the sliding of pedestal relative experimental desktop.
In conclusion the utility model has the advantages that：When needing to detect sample, pressure sensing is hand-pulled
Device moves downward, and when the lower face of pressure sensor contacts at clamp assembly, locking level is inserted into sliding eye, and makes
Behind locking level locking latch hole, adjusting rod is fixed on crossbeam.It moves downward and contradicts by pulling with hand pressure sensor
Clamp assembly realizes that the movement velocity of pressure sensor can regulate and control at any time, and can by pressure sensor gently be positioned over folder
Have on component, and then achieved the effect that clamp assembly is avoided to hit pressure sensor so that the precision of measurement is high.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the actuator structural schematic diagram of embodiment；
Fig. 3 is the clamp assembly structural schematic diagram of embodiment；
Fig. 4 is the guide rod structural schematic diagram of embodiment；
Fig. 5 is the adjusting rod of embodiment, gag lever post structural schematic diagram；
Fig. 6 is the locking level of embodiment, notch schematic diagram.
In figure：1, pedestal；11, non-slipping block；12, supporting rod；13, crossbeam；131, adjustment hole；132, limit hole；133, sliding
Dynamic hole；2, controller；3, pressure sensor；31, gag lever post；32, pressure head；4, displacement sensor；5, actuator；51, cylinder；
52, pallet；521, locating rod；522, rubber pad；6, clamp assembly；61, lower fixture；611, location hole；62, upper fixture；621、
Pilot hole；7, guide rod；71, shoe cream room；72, oilhole；8, adjusting rod；81, lock hole；9, support base；91, through-hole；92, it locks
Bar；921, baffle ring；922, card slot；93, spring；94, grab.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of Marshall stability test instrument, as shown in Figure 1, including pedestal 1, controller 2, being set to 1 lower face of pedestal
Multiple non-slipping blocks 11, be fixed on pedestal 1 two supporting rods 12, be set to the crossbeam 13 of 12 upper end of supporting rod.Crossbeam 13
It is equipped with pressure sensor 3,3 lower end of pressure sensor is equipped with pressure head 32, and pedestal 1 is equipped with actuator 5, is set to actuator 5
On clamp assembly 6,6 upper end of clamp assembly is set there are two displacement sensor 4.
When needing to detect sample, pedestal 1 and controller 2 are positioned on experiment desktop, by pressure sensor 3, displacement
Sensor 4 is mounted on crossbeam 13.After clamp assembly 6 is removed from actuator 5, sample is positioned in clamp assembly 6, then
Clamp assembly 6 is put back on actuator 5, pressure sensor 3 is adjusted so that the pressure head 32 of 3 lower end of pressure sensor contradicts fixture
Component 6.Start actuator 5, actuator 5 drives clamp assembly 6 to move upwards, shows pressure sensor on controller 2 at this time
3, the numerical value that displacement sensor 4 is measured completes the detection of sample.
As shown in Figure 2 and Figure 3, actuator 5 includes the cylinder 51 being set on pedestal 1, is fixed on the piston rod of cylinder 51
Pallet 52.Clamp assembly 6 includes the lower fixture 61 being positioned on pallet 52, the upper fixture for being covered in 61 upper surface of lower fixture
62,52 upper surface of pallet is equipped with multiple locating rods 521, and the lower face of lower fixture 61 is equipped with the location hole for 521 grafting of locating rod
611,52 upper surface of pallet is equipped with rubber pad 522.The upper surface of lower fixture 61 is equipped with multiple guide rods 7, and upper fixture 62 is equipped with
For the pilot hole 621 of 7 grafting of guide rod.
As shown in figure 4, guide rod 7 is internally provided with shoe cream room 71, wears 7 outer wall of guide rod and is communicated in the oil of shoe cream room 71
Hole 72, oilhole 72 are inclined to set and are communicated in one end of shoe cream room 71 higher than the other end.
When installing sample, it is positioned over after clamp assembly 6 is removed on experiment desktop, by upper fixture 62 from lower fixture 61
After removing, sample is positioned in lower fixture 61.Lubricating oil is taken out, lubricating oil is instilled in the shoe cream room 71 in guide rod 7, profit
Lubricating oil is flowed into along shoe cream room 71 in oilhole 72, and 7 outer wall of guide rod is flow to further along oilhole 72.Upper fixture 62 is lifted, will be led
To after the alignment of hole 621 and grafting guide rod 7 so that upper fixture 62 is along 7 slide downward of guide rod, until under upper fixture 62 covers
Fixture 61 simultaneously steps up sample.
After upper fixture 62, lower fixture 61, sample are lifted together, the location hole 611 of 61 lower end of lower fixture is directed at pallet
When 52 locating rod 521, locating rod 521 is inserted into location hole 611, lower fixture 61 is positioned over the rubber pad on pallet 52
On 522.When needing to start actuator 5, start cylinder 51, the piston rod of cylinder 51 stretches out, and piston rod drives pallet 52 upward
Movement, pallet 52 drive clamp assembly 6 and sample to move upwardly together.
As shown in figure 5, crossbeam 13 is equipped with the adjusting rod 8 of adjustment hole 131, sliding grafting adjustment hole 131,8 side of adjusting rod
Wall is equipped with multiple evenly arranged lock holes 81 from top to bottom, and pressure sensor 3 is fixed on 8 lower end of adjusting rod, pressure sensor 3
Upper surface is equipped with multiple gag lever posts 31, and crossbeam 13 is equipped with multiple limit holes 132.
As shown in fig. 6,13 side wall of crossbeam is equipped with sliding eye 133,13 side wall of crossbeam is equipped with support base 9, is set to support base 9
On through-hole 91, support base 9 is equipped with locking level 92, and locking level 92 is fed through locking latch after through-hole 91, sliding eye 133 successively
Hole 81.The spring 93 that 92 outer wall of locking level is equipped with baffle ring 921, is sheathed on 92 outer wall of locking level, baffle ring is fixed in 93 one end of spring
921 and the other end be fixed on 9 inner wall of support base.Support base 9 is equipped with the grab 94 for being articulated with 9 outer wall of support base, locking level 92
Outer wall is equipped with the card slot 922 hooked for grab 94.
When needing to adjust pressure sensor 3, locking level 92 is pulled out, locking level 92 is along sliding eye 133 and leads to
Hole 91 slides in and out, and locking level 92 drives baffle ring 921 to move, and baffle ring 921 presses the compression of spring 93 at this time.When locking level 92 is detached from
After lock hole 81, grab 94 is rotated, so that grab 94 is rotated towards 922 direction of card slot and is embedded in card slot 922, locking level 92 is consolidated
Due in mounting base.
Then it holds pressure sensor 3 to move downward, pressure sensor 3 drives adjusting rod 8 along adjustment hole 131 to downslide
It is dynamic, when the pressure head 32 of 3 lower face of pressure sensor contradicts clamp assembly 6（Referring to Fig. 1）When, grab 94 is rotated backward until grab
After 94 are detached from card slot 922, spring 93 extends at this time, and 921 counter motion of baffle ring, baffle ring 921 is pushed to drive locking level 92 towards lock
The movement of 81 direction of hole is determined, until 92 locking latch hole 81 of locking level, adjusting rod 8 is fixed on crossbeam 13.Reduce pressure sensing
The abrasion of device 3, and then reduce error when measurement.
Operation principle：When needing to detect sample, sample is fixed in clamp assembly 6, clamp assembly 6 is positioned over drive
On moving part 5, locking level 92 is pulled out so that after the disengaging lock hole 81 of locking level 92, pressure sensor 3 is held and moves downward, when
When the lower face of pressure sensor 3 contacts at clamp assembly 6, after locking level 92 is inserted into lock hole 81, pressure sensor 3 is consolidated
Due on crossbeam 13, starting actuator 5, actuator 5 drives clamp assembly 6 to move upwards, you can measures the data for needing to detect.
Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can as needed make the present embodiment the modification of not creative contribution after reading this specification, but only
It all to be protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of Marshall stability test instrument, including pedestal (1), be fixed on the pedestal (1) two supporting rods (12),
It is set to the crossbeam (13) of the supporting rod (12) upper end, the pedestal (1) is equipped with actuator (5), is set to the driving
Clamp assembly (6) on part (5), it is characterised in that：The crossbeam (13) is equipped with described in adjustment hole (131), sliding grafting and adjusts
The adjusting rod (8) of knothole (131), adjusting rod (8) lower end are equipped with pressure sensor (3), the pressure sensor（3）Lower end
Equipped with pressure head（32）, locking level of crossbeam (13) side wall equipped with sliding eye (133) described in sliding eye (133), sliding grafting
(92), adjusting rod (8) side wall is equipped with multiple arrangements uniform from top to bottom and the lock hole for the locking level (92) grafting
(81)。
2. a kind of Marshall stability test instrument according to claim 1, it is characterised in that：The pressure sensor (3)
Upper surface is equipped with multiple gag lever posts (31), and the crossbeam (13) is equipped with the limit hole (132) for the gag lever post (31) grafting.
3. a kind of Marshall stability test instrument according to claim 1, it is characterised in that：Crossbeam (13) side wall is set
There are support base (9), the support base (9) to be equipped with the through-hole (91) worn for the locking level (92), the locking level (92)
Outer wall is equipped with baffle ring (921), is sheathed on the locking level (92) outer wall and locked described in the locking level (92) grafting for driving
Determine the spring (93) of hole (81), described spring (93) one end is fixed on the baffle ring (921) and the other end is fixed on the support
Seat (9) inner wall.
4. a kind of Marshall stability test instrument according to claim 3, it is characterised in that：Support base (9) outer wall
Equipped with the grab (94) for being articulated with the support base (9) outer wall, locking level (92) outer wall, which is equipped with, supplies the grab (94) hook
Card slot (922) firmly.
5. a kind of Marshall stability test instrument according to claim 1, it is characterised in that：The actuator (5) includes
The cylinder (51) being set on the pedestal (1), the pallet (52) being fixed on the cylinder (51) piston rod, the fixture group
Part (6) includes the lower fixture (61) being positioned on the pallet (52), the upper fixture for being covered in lower fixture (61) upper surface
(62), the upper surface of the lower fixture (61) is equipped with multiple guide rods (7), and the upper fixture (62), which is equipped with, supplies the guide rod
(7) pilot hole (621) of grafting.
6. a kind of Marshall stability test instrument according to claim 5, it is characterised in that：Pallet (52) upper surface
Equipped with multiple locating rods (521), the lower face of the lower fixture (61) is equipped with the location hole for the locating rod (521) grafting
(611)。
7. a kind of Marshall stability test instrument according to claim 5, it is characterised in that：Pallet (52) upper surface
Equipped with rubber pad (522).
8. a kind of Marshall stability test instrument according to claim 5, it is characterised in that：The guide rod (7) is internal
Equipped with shoe cream room (71), the oilhole (72) for wearing the guide rod (7) outer wall and being communicated in the shoe cream room (71).
9. a kind of Marshall stability test instrument according to claim 8, it is characterised in that：The oilhole (72) is inclined
It is arranged and the one end for being communicated in the shoe cream room (71) is higher than the other end.
10. a kind of Marshall stability test instrument according to claim 1, it is characterised in that：Pedestal (1) lower face
Equipped with multiple non-slipping blocks (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841937.7U CN207623127U (en) | 2017-12-25 | 2017-12-25 | A kind of Marshall stability test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841937.7U CN207623127U (en) | 2017-12-25 | 2017-12-25 | A kind of Marshall stability test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623127U true CN207623127U (en) | 2018-07-17 |
Family
ID=62829722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721841937.7U Active CN207623127U (en) | 2017-12-25 | 2017-12-25 | A kind of Marshall stability test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608976A (en) * | 2019-10-19 | 2019-12-24 | 临安鼎昇建材有限公司 | Device for detecting adaptability of concrete admixture |
| CN115541405A (en) * | 2022-09-19 | 2022-12-30 | 中国路桥工程有限责任公司 | Bituminous mixture mix proportion design equipment |
-
2017
- 2017-12-25 CN CN201721841937.7U patent/CN207623127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608976A (en) * | 2019-10-19 | 2019-12-24 | 临安鼎昇建材有限公司 | Device for detecting adaptability of concrete admixture |
| CN115541405A (en) * | 2022-09-19 | 2022-12-30 | 中国路桥工程有限责任公司 | Bituminous mixture mix proportion design equipment |
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