CN209491918U - A kind of multifunction cement stabilized macadam base specimen molding device - Google Patents
A kind of multifunction cement stabilized macadam base specimen molding device Download PDFInfo
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- CN209491918U CN209491918U CN201821827977.0U CN201821827977U CN209491918U CN 209491918 U CN209491918 U CN 209491918U CN 201821827977 U CN201821827977 U CN 201821827977U CN 209491918 U CN209491918 U CN 209491918U
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- roller
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- cement stabilized
- stabilized macadam
- swing arm
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Abstract
The utility model relates to the experimental technique fields of road engineering, specifically a kind of multifunction cement stabilized macadam base specimen molding device, including rack, lifting support, lifting support driving device, vibration rack, buffer spring, vibration excitor, pressure heads mechanism, rotary-tray, rotary-tray driving device and cylinder mould；The pressure heads mechanism includes switching swing arm, switching swing arm drive device, rigid roller and rubber roller, and the rigidity roller and rubber roller are separately mounted to the both ends of switching swing arm and the axis of the axis of rigid roller and rubber roller all in horizontal direction；The cylinder mould is fixedly mounted on rotary-tray, and the cylinder mould is matched with rigid roller or rubber roller.The multifunction cement stabilized macadam base specimen molding device of the utility model being capable of more true construction simulation field working conditions, it is not only able to meet the test material preparation requirement of a variety of conditions, and molding cement stabilized macadam base test specimen is made to be more in line with reality, guarantee experimental precision.
Description
Technical field
The utility model relates to the experimental technique field of road engineering, specifically a kind of multifunction cement stabilized macadam base
Specimen molding device.
Background technique
Cement stabilized macadam base is the semi-rigid type base on cement stabilized type road surface, has good intensity, globality, water
Stability, frost resistance are widely used in China and obtain in road construction.Cement stabilized macadam base is pressed after paving
Real, compacting mode is divided into Static compaction, rubbing compacting and vibrating compacting.The equipment that Static compaction uses is steel roller, benefit
With the gravity of steel roller, pressure at right angle is applied to cement stabilized macadam base, makes to generate inside cement stabilized macadam base
Corresponding normal stress and shear stress, when shear stress reaches the shearing strength of cement stabilized macadam base, cement stabilizing
Relative sliding will occur between crushed rock base course particle, rearrange and become more closely knit.Crumpling the equipment that compacting uses is
Pneumatic-tired rollers, wherein stranding is the active force for applying horizontal direction to the surface layer of cement stabilized macadam base by rubber tire, makes water
The skin granulate of cement-stabilizing broken stone base generates Relative sliding, rearranges and becomes fine and close, and rubbing is to utilize pneumatic-tired rollers
Gravity locally applies very big pressure at right angle to cement stabilized macadam base, makes rubber tire direct shearing cement stabilized macadam base,
Become dense cement stabilized macadam base by very big compression, the depth of interaction for crumpling compacting is shallower, only steady in cement
The surface layer transmitting for determining crushed rock base course, makes cement stabilized macadam base obtain higher superficial compaction degree and surface smoothness.Vibration
It is compacted the equipment used and vibrates steel wheel pressure while applying pressure to cement stabilized macadam base for vibration steel roller
Exciting device on the machine of road applies exciting effect to cement stabilized macadam base, to evoke the high frequency between cement and gravel particle
The relative motion of rate makes them rearrange and become dense under the action of pressure at right angle.
In laboratory, need to make cement stabilized macadam test specimen, and the objects such as density, porosity, modulus are carried out to test specimen
Manage mechanical property test, existing cement stabilized macadam test specimen functions of the equipments it is single and can not really simulate Static compaction,
Rubbing compacting and vibrating compacting, for example, application No. is 201510730338.7, it is entitled for designing cement stabilized macadam base
The application for a patent for invention of the method and apparatus of match ratio, the patent application disclose a kind of vibration compaction test apparatus, hit reality by control
Frequency and compacting of the real pressure simulation scene large-tonnage vibrated roller to big thickness cement stabilized macadam base is hit, still, vibration
Dynamic head is to be compacted test specimen by the plane of its bottom, and is by the rolling of road roller unlike construction site by water
The compacting of cement-stabilizing broken stone base, it is therefore, larger by the molding cement stabilized macadam base test specimen of existing equipment and actual deviation,
Influence test accuracy.
Utility model content
Purpose of the utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of multifunction cement stablize it is broken
Ground mass layer specimen molding device is capable of Static compaction, the pneumatic-tired rollers of more true construction simulation scene steel roller
Rubbing compacting and vibration steel roller vibrating compacting, be not only able to meet the test material preparation requirement of a variety of conditions, and
So that molding cement stabilized macadam base test specimen is more in line with reality, guarantees experimental precision.
Technical problem to be solved in the utility model realizes that a kind of multifunction cement is stable using following technical scheme
Crushed rock base course specimen molding device, including rack, lifting support, lifting support driving device, vibration rack, buffer spring, swash
Vibration device, pressure heads mechanism, rotary-tray, rotary-tray driving device and cylinder mould；The lifting support can vertical sliding be mounted on
In rack, the lifting support driving device is mounted on the rack and is used to drive lifting support vertical sliding；The vibration branch
Frame can vertical sliding be mounted on lifting support, the buffer spring is located between lifting support and vibration rack；It is described to swash
Vibration device is mounted on vibration rack；The pressure heads mechanism includes switching swing arm, switching swing arm drive device, rigid roller and rubber
Roller, the switching swing arm is rotatably mounted on vibration rack and its rotation axis is in vertical direction, the switching pendulum
Arm driving device is mounted on vibration rack and for driving switching swing arm rotation, and the rigidity roller and rubber roller are pacified respectively
Mounted in switching swing arm both ends and rigid roller axis and rubber roller axis all in horizontal direction；The rotary-tray
It is rotatably mounted on the rack and its rotation axis is in vertical direction, the rotary-tray driving device is mounted on the rack
And for driving rotary-tray to rotate；The cylinder mould is fixedly mounted on rotary-tray, the cylinder mould and rigid roller or rubber
Roller matching.
The technical solution of the utility model is also: the axis pair of one end and cylinder mould of the rigidity roller or rubber roller
Together.Using the technical program, the rolling of rigidity roller or rubber roller can just cover entire test specimen top surface when compacting.
The technical solution of the utility model is also: the lifting support by the first guide post can vertical sliding be mounted on
In rack.
The technical solution of the utility model is also: the vibration rack by the second guide post can vertical sliding be mounted on
On lifting support, the buffer spring is set in outside the second guide post.
The technical solution of the utility model is also: the lifting support driving device is hydraulic cylinder.
The technical solution of the utility model is also: the switching swing arm drive device is oscillating motor.
The technical solution of the utility model is also: the rotary-tray driving device is decelerating motor.
The utility model additionally provides that a kind of to prepare cement stabilizing broken using above-mentioned cement stabilized macadam specimen molding device
The method of stone test specimen, comprising the following steps:
A, Cement Stable Macadam Mixture is prepared, Cement Stable Macadam Mixture is put into cylinder mould；
B, according to live actual condition, static pressure compacting and/or rubbing are carried out to the Cement Stable Macadam Mixture in cylinder mould
Compacting and/or vibrating compacting；When carrying out static pressure compacting, vibration excitor is closed, switching swing arm drive device will be rigid by switching swing arm
Property roller be switched to the surface of cylinder mould, lifting support driving device drives rigid roller to enter cylinder mould, rotary-tray driving dress
Driving cylinder mould rotation is set, makes rigid roller in the surface rolling of Cement Stable Macadam Mixture；When carrying out rubbing compacting, closes and swash
Shake device, and rubber roller is switched to the surface of cylinder mould, lifting support driving dress by switching swing arm by switching swing arm drive device
It sets driving rubber roller and enters cylinder mould, rotary-tray driving device drives cylinder mould rotation, makes rubber roller in cement stabilized macadam
The surface rolling of mixture；When carrying out vibrating compacting, vibration excitor is opened, switching swing arm drive device will be rigid by switching swing arm
Roller is switched to the surface of cylinder mould, and lifting support driving device drives rigid roller to enter cylinder mould, rotary-tray driving device
Cylinder mould rotation is driven, makes rigid roller in the surface rolling of Cement Stable Macadam Mixture；
C, the test specimen after compacting is demoulded and carries out health.
Compared with the existing technology, the beneficial effect of the utility model multifunction cement stabilized macadam base specimen molding device
Are as follows: (1) static pressure compacting, rubbing compacting and vibrating compacting are carried out to test specimen by the way of rolling, compared with the existing technology can
More really simulate field working conditions, manufactured cement stabilized macadam base test specimen and actual cement stabilized macadam base deviation
It is smaller, to ensure that test accuracy；(2) the switching rigidity roller and rubber roller that pressure heads mechanism can be quick and easy, with full
The test material preparation requirement of a variety of conditions of foot；(3) test specimen as needed for follow-up equipment is cylinder, passes through the utility model cement
The test specimen of stabilization gravel test material preparation is cylindrical, does not need cutting coring, need to be only polished edge after can carrying out after being made
The mechanical property tests such as continuous density, porosity, modulus, improve test efficiency, reduce labor intensity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model cement stabilized macadam specimen molding device.
Fig. 2 is the main view of the utility model cement stabilized macadam specimen molding device.
Fig. 3 along Fig. 1 A-A to view.
Fig. 4 is the left view of the utility model cement stabilized macadam specimen molding device.
In figure: 1, rack, 2, lifting support, 3, vibration rack, 4, buffer spring, 5, vibration excitor, 6, rotary-tray, 7, cylinder
Mould, 8, switching swing arm, 9, rigid roller, 10, rubber roller, the 11, first guide post, the 12, second guide post, 13, hydraulic cylinder,
14, oscillating motor, 15, decelerating motor.
Specific embodiment
In order to clarify the technical characteristics of the invention, below according to attached drawing to specific embodiment of the present invention make into
One step explanation.
As shown in Figure 1 to 4, as shown in Figure 1 to 4, a kind of multifunction cement stabilized macadam base specimen molding device,
Including rack 1, lifting support 2, hydraulic cylinder 13, vibration rack 3, buffer spring 4, vibration excitor 5, pressure heads mechanism, rotary-tray 6,
Decelerating motor 15 and cylinder mould 7.
Lifting support 2 by first guide post 11 can vertical sliding be mounted in rack 1, hydraulic cylinder 13 is mounted on rack
On 1 and for driving 2 vertical sliding of lifting support.
Vibration rack 3 by second guide post 12 can vertical sliding be mounted on lifting support 2, buffer spring 4 is located at
Between lifting support 2 and vibration rack 3 and it is set in outside the second guide post 12.
Vibration excitor 5 is mounted on vibration rack 3.
Pressure heads mechanism includes switching swing arm 8, oscillating motor 14, rigid roller 9 and rubber roller 10.Switching swing arm 8 can
Rotation be mounted on vibration rack 3 and its rotation axis is in vertical direction, oscillating motor 14 is mounted on vibration rack 3
And for driving switching swing arm 8 to rotate.Rigid roller 9 and rubber roller 10 be separately mounted to switching swing arm 8 both ends and just
The axis of the axis of property roller 9 and rubber roller 10 is all in horizontal direction.
Rotary-tray 6 is rotatably mounted in rack 1 and its rotation axis is in vertical direction, and decelerating motor 15 is installed
In rack 1 and for driving rotary-tray 6 to rotate.Cylinder mould 7 is fixedly mounted on rotary-tray 6.Cylinder mould 7 and rigid roller 9
Or rubber roller 10 matches, specifically, rigid roller 9 or rubber roller 10 are inserted into cylinder mould 7, rigid roller 9 or rubber
One end of roller 10 is aligned with the axis of cylinder mould 7.
The present embodiment additionally provides a kind of above-mentioned cement stabilized macadam specimen molding device of use and prepares cement stabilized macadam
The method of test specimen, comprising the following steps:
A, Cement Stable Macadam Mixture is prepared, Cement Stable Macadam Mixture is put into cylinder mould 7；
B, according to live actual condition, static pressure compacting and/or rubbing are carried out to the Cement Stable Macadam Mixture in cylinder mould 7
Compacting and/or vibrating compacting；When carrying out static pressure compacting, vibration excitor 5 is closed, oscillating motor 14 will be rigid by switching swing arm 8
Roller 9 is switched to the surface of cylinder mould 7, and hydraulic cylinder 13 drives rigid roller 8 to enter cylinder mould 7, and decelerating motor 15 drives cylinder mould 7 to revolve
Turn, makes rigid roller 8 in the surface rolling of Cement Stable Macadam Mixture；When carrying out rubbing compacting, vibration excitor 5 is closed, is swung
Rubber roller 10 is switched to the surface of cylinder mould 7 by switching swing arm 8 by hydraulic cylinder 14, hydraulic cylinder 13 drive rubber roller 10 into
Enter cylinder mould 7, decelerating motor 15 drives cylinder mould 7 to rotate, makes rubber roller 10 in the surface rolling of Cement Stable Macadam Mixture；Into
When row vibrating compacting, vibration excitor 5 is opened, rigid roller 9 is being switched to cylinder mould 7 just by switching swing arm 8 by oscillating motor 14
Top, hydraulic cylinder 13 drive rigid roller 9 to enter cylinder mould 7, and decelerating motor 15 drives cylinder mould 7 to rotate, and make rigid roller 9 in cement
The surface rolling of stabilization gravel mixture；
C, the test specimen after compacting is demoulded and carries out health.
The embodiments of the present invention are elaborated above in conjunction with attached drawing, but the utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of make a variety of changes.
Claims (7)
1. a kind of multifunction cement stabilized macadam base specimen molding device, it is characterised in that: including rack (1), lifting support
(2), lifting support driving device, vibration rack (3), buffer spring (4), vibration excitor (5), pressure heads mechanism, rotary-tray (6),
Rotary-tray driving device and cylinder mould (7)；The lifting support (2) can vertical sliding be mounted on rack (1), the lifting
Carriage drive device is mounted on rack (1) and for driving lifting support (2) vertical sliding；The vibration rack (3) can erect
It is directly slidably mounted on lifting support (2), the buffer spring (4) is located between lifting support (2) and vibration rack (3)；
The vibration excitor (5) is mounted on vibration rack (3)；The pressure heads mechanism includes switching swing arm (8), switching swing arm driving dress
It sets, rigid roller (9) and rubber roller (10), the switching swing arm (8) is rotatably mounted on vibration rack (3) and it
Rotation axis is in vertical direction, and the switching swing arm drive device is mounted on vibration rack (3) and for driving switching swing arm
(8) it rotates, the rigidity roller (9) and rubber roller (10) are separately mounted to switch the both ends of swing arm (8) and rigid roller
(9) axis of axis and rubber roller (10) is all in horizontal direction；The rotary-tray (6) is rotatably mounted on rack
(1) on and its rotation axis is in vertical direction, and the rotary-tray driving device is mounted on rack (1) and for driving rotation
Ask disk (6) rotation；The cylinder mould (7) is fixedly mounted on rotary-tray (6), the cylinder mould (7) and rigid roller (9) or glue
Roller (10) matching.
2. multifunction cement stabilized macadam base specimen molding device according to claim 1, it is characterised in that: described rigid
One end of property roller (9) or rubber roller (10) is aligned with the axis of cylinder mould (7).
3. multifunction cement stabilized macadam base specimen molding device according to claim 1 or 2, it is characterised in that: institute
State lifting support (2) by the first guide post (11) can vertical sliding be mounted on rack (1).
4. multifunction cement stabilized macadam base specimen molding device according to claim 1 or 2, it is characterised in that: institute
State vibration rack (3) by the second guide post (12) can vertical sliding be mounted on lifting support (2), the buffer spring
(4) it is external to be set in the second guide post (12).
5. multifunction cement stabilized macadam base specimen molding device according to claim 1 or 2, it is characterised in that: institute
Stating lifting support driving device is hydraulic cylinder (13).
6. multifunction cement stabilized macadam base specimen molding device according to claim 1 or 2, it is characterised in that: institute
Stating switching swing arm drive device is oscillating motor (14).
7. multifunction cement stabilized macadam base specimen molding device according to claim 1 or 2, it is characterised in that: institute
Stating rotary-tray driving device is decelerating motor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821827977.0U CN209491918U (en) | 2018-11-07 | 2018-11-07 | A kind of multifunction cement stabilized macadam base specimen molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821827977.0U CN209491918U (en) | 2018-11-07 | 2018-11-07 | A kind of multifunction cement stabilized macadam base specimen molding device |
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| Publication Number | Publication Date |
|---|---|
| CN209491918U true CN209491918U (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821827977.0U Active CN209491918U (en) | 2018-11-07 | 2018-11-07 | A kind of multifunction cement stabilized macadam base specimen molding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291219A (en) * | 2018-11-07 | 2019-02-01 | 山东省交通科学研究院 | A kind of multifunction cement stabilized macadam base specimen molding device and method |
-
2018
- 2018-11-07 CN CN201821827977.0U patent/CN209491918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291219A (en) * | 2018-11-07 | 2019-02-01 | 山东省交通科学研究院 | A kind of multifunction cement stabilized macadam base specimen molding device and method |
| CN109291219B (en) * | 2018-11-07 | 2023-08-22 | 山东省交通科学研究院 | Multifunctional cement stabilized macadam base test piece forming device and method |
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