CN105699632B - A kind of bituminous concrete pile penetration test device - Google Patents
A kind of bituminous concrete pile penetration test device Download PDFInfo
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- CN105699632B CN105699632B CN201610078893.0A CN201610078893A CN105699632B CN 105699632 B CN105699632 B CN 105699632B CN 201610078893 A CN201610078893 A CN 201610078893A CN 105699632 B CN105699632 B CN 105699632B
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- water tank
- injection
- test device
- concrete pile
- bituminous concrete
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; ceramics; glass; bricks
- G01N33/383—Concrete, cement
Abstract
The invention discloses a kind of bituminous concrete pile penetration test device, including rack（1）, the rack（1）Including workbench（11）And it is arranged on the workbench（11）On water tank（2）, in the water tank（2）Interior bottom is provided with asphalt blocks to be tested（3）, in the water tank（2）Top is provided with part and stretches into the water tank（2）It is internal and with the asphalt blocks（3）Opposite injection linkage（4）, in the injection linkage（4）Top, which is equipped with, places clump weight counterweight（42）Pallet（43）, in the workbench（11）On be additionally provided with lifting arm mechanism（5）, and in the injection linkage（4）On be additionally provided with displacement detector（7）.Using bituminous concrete pile penetration test device of the present invention, the accuracy and precision of test can be improved.
Description
Technical field：
The present invention relates to a kind of test devices of bituminous concrete pile penetration.
Background technology：
Bituminous concrete has excellent anti-aging property, anti-fatigue performance etc. as material necessary in highway construction.
But asphalt is a kind of response to temperature material, the variation of temperature can cause its performance to have larger difference.It is embodied in：
Road surface can generate different damage types under condition of different temperatures, such as cold cracking, high temperature track, gather around packet, fatigue life
Also it is affected by temperature.After surface gathered water, ponding is penetrated into inside pitch, and bituminous paving can be had a huge impact.Under high temperature
Can have an adverse effect to bituminous paving, so whether can guarantee matter of the asphalt in high temperature and under having water condition
Amount is the key that ensure bituminous paving quality.Asphalt is a kind of typical Rheological Material, its intensity and stiffness mould
Amount is reduced with the raising of temperature, therefore high-temperature stability is the critical nature that summer scorching regional bituminous paving must have.
The test of bituminous concrete pile penetration is under conditions of bituminous concrete merging is had water and high temperature, to measure it certain
Deflection under load capacity.The test equipment of existing bituminous concrete pile penetration uses single motor single test function, manually obtains
The modes such as record data, manual control water temperature are taken to carry out vehicle, there is low testing efficiency, low precision, replacement test counterweight to be stranded
Difficult and equipment quality is big to take up an area the problems such as more.
Invention content：
High and structure optimization the bituminous concrete pile penetration test device the purpose of the present invention is to provide a kind of precision.
In order to achieve the above object, the invention is realized in this way：A kind of bituminous concrete pile penetration test device, including
Rack, the rack include workbench and the water tank being arranged on the workbench, and bottom is provided with to be measured in the water tank
The asphalt blocks of examination are provided with part in the water tank upper and stretch into injection bar inside the water tank and opposite with the asphalt blocks
Mechanism is equipped with the pallet for placing clump weight counterweight at the top of the injection linkage, act is additionally provided on the workbench
Arm mechanism is risen, the lifting arm mechanism includes the montant being fixedly connected with the workbench and the cross bar hinged with the montant,
The cross bar other end movable supporting the injection linkage, and push rod is also associated between the cross bar and the workbench
Motor, and it is additionally provided with displacement detector on the injection linkage.Using the bituminous concrete pile penetration set in this way
Test device first using push-rod electric machine by the lift arm mechanism supports, can ensure in addition clump weight counterweight or more
It changes more convenient during pouring weight counterweight, and so that device integral installation is easy, reliability is high, light quality；In addition, using position
Move detection device, can to the displacement of injection bar carry out intelligent measurement, and by the data transmission of detection to data processing terminal into
Row computer disposal reaches and preferably calculates effect, reduces error, improves the precision of detection.
In order to further improve testing efficiency, the asphalt blocks to be tested have polylith, are corresponded with the asphalt blocks
There are multiple injection linkages, there are multiple lifting arm mechanisms with injection linkage one-to-one correspondence.In this manner can
So that simultaneously polylith asphalt blocks are carried out with the test of pile penetration, the efficiency of test is improved.
Preferably, it is provided with through-hole on the cross bar, the through-hole is passed through by connecting rod between each cross bar
It is connected as one, the cross bar of the push-rod electric machine and one of lifting arm mechanism is hinged.In this manner,
All lifting arm mechanisms can be allowed for only with a push-rod electric machine and injection linkage moves, while right simultaneously
Block asphalt blocks are tested, and save electric energy and cost.
Preferably, the connecting rod is divided into multistage, and the end of adjacent two sections of connecting rods is connected by annular boss, the ring
Shape boss is placed in the through-hole on the cross bar.Such setting can enable to individually test one block of asphalt blocks, also can
It is enough that wherein several blocks of asphalt blocks are tested simultaneously, more all asphalt blocks can be tested simultaneously, increase the various of test
Property.
Preferably, the injection linkage includes injection bar, and the injection bar is by being arranged on the hole of the tank top
Part is stretched into inside the water tank.
In order to further improve the diversity of test and flexibility, it is provided on the injection bar prominent to horizontal both sides
Ear column, the other end of the cross bar sets for U-shaped and supports the ear column upwards.It in this way, can be in different supports
The pallet of different weight is placed on disk, in test, support rod mechanism discharges downwards the injection bar, injection bar and the cross bar
It is detached from, each pallet and the test to different asphalt blocks progress different weights respectively of injection bar are independent of each other, and respective test
Data by the displacement detector on injection bar are transmitted into data processing terminal and are handled respectively.
In order to further more accurately test the pile penetration of asphalt blocks, the hole for being arranged on the tank top is lower inner diameter
Less than the stepped hole of upper inner diameter, it is threaded with abutment sleeve on the top of the stepped hole, outside the abutment sleeve lower part
Diameter is less than top outer diameter, and the internal diameter of the abutment sleeve is consistent with the stepped hole lower inner diameter.It can be right using abutment sleeve
The movement of injection bar generates guiding role so that the injection bar can vertically act on the asphalt blocks, ensure that pile penetration
The accuracy of measurement；In addition, the setting of abutment sleeve can avoid the clump weight counterweight when the injection bar moves downward
It is directly contacted with the water tank, avoids damaging the water tank.
In order to further improve the stability of device, axial raised line is provided on the abutment sleeve inner wall, in institute
It states and is provided on the outer wall of injection bar and the matched groove of the raised line.Injection bar can be avoided to be produced during declining in this way
It is born from body to rotate in a circumferential direction, improves the stability of mechanism for testing.
In order to improve the accuracy of device to test, the water tank lower part is provided with heated at constant temperature water tank, in the water tank
Both sides are respectively arranged with the inlet and outlet being connect with the heated at constant temperature water tank by pipeline.Such setting can be protected
Water in card water tank is always held at the temperature needed for test, ensure that the accuracy tested asphalt blocks pile penetration.
Preferably, electric heating wire is provided in the heated at constant temperature water tank, the heated at constant temperature water tank side is equipped with
For placing the water pump pallet of water pump, wherein, the water inlet being arranged on the water tank is less than the water outlet.Such energy
Enough ensure the constancy of the temperature of the water in water tank.
Bituminous concrete pile penetration test device using the present invention, the advantageous effect that can be brought have：
1. the accuracy of measurement can be reached, using displacement detector, artificial reading and the error calculated are avoided, is made
The pile penetration that must be tested is more accurate；
2. the accuracy of measurement can be reached, using the mechanisms such as abutment sleeve and push-rod electric machine and lift arm, ensure that
During the test because of the error that external force generates, the accuracy of measurement result ensure that；
3. the efficiency of measurement can be improved, test device of the invention, can simultaneously to one piece or polylith asphalt blocks into
The test of row pile penetration, and asphalt blocks can be tested using the counterweight of a variety of weight simultaneously, improve the efficiency of test
And diversity；
4. the test device structure of the present invention is simpler, easy to operate, stability is strong, and floor space is few light-weight.
Description of the drawings：
Fig. 1 is the structure diagram of the pitch pile penetration test device of the embodiment of the present invention；
Fig. 2 is the structure chart of the rack of the embodiment of the present invention；
Fig. 3 is the structure chart of the injection linkage of the embodiment of the present invention；
Fig. 4 is the structure chart of the connecting rod of the embodiment of the present invention；
Fig. 5 is the structure chart of the fixes sleeve of the embodiment of the present invention.
Label declaration：1. rack；11. workbench；2. water tank；21. stepped hole；22. water inlet；23. water outlet；3. pitch
Block；4. injection linkage；41. injection bar；411. ear columns；412. groove；42. clump weight counterweight；43. pallet；5. lift arm
Mechanism；51. montant；52. cross bar；53. connecting rod；54. annular boss；6. push-rod electric machine；7. displacement detector；8. positioning sleeve
Cylinder；81. raised line；9. heated at constant temperature water tank；91. water pump pallet.
Specific embodiment：
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings, but the present invention does not limit to
In these embodiments, any improvement or replacement on the present embodiment essence spirit still falls within the claims in the present invention and wants
Seek the range of protection.
Embodiment：As shown in Figs. 1-5, a kind of bituminous concrete pile penetration test device, including rack 1, the rack 1 is wrapped
Workbench 11 and the water tank 2 being arranged on the workbench 11 are included, bottom is provided with asphalt blocks to be tested in the water tank 2
3, part is provided on 2 top of water tank and stretches into 2 inside of water tank and the injection linkage 4 opposite with the asphalt blocks 3,
The pallet 43 for placing clump weight counterweight 42 at 4 top of injection linkage is installed, is additionally provided on the workbench 11
Arm mechanism 5 is lifted, the lifting arm mechanism 5 includes the montant 51 being fixedly connected with the workbench 11 and cut with scissors with the montant 51
The cross bar 52 connect, 52 other end movable supporting of cross bar the injection linkage 4, in the cross bar 52 and the workbench
Push-rod electric machine 6 is also associated between 11, and displacement detector 7 is additionally provided on the injection linkage 4.Wherein, it is described
Asphalt blocks 3 to be tested have polylith, have multiple injection linkages 4 with the asphalt blocks 3 one-to-one correspondence, with the injection linkage
4 one-to-one correspondence have multiple lifting arm mechanisms 5.
Wherein, it is provided with through-hole on the cross bar 52, the through-hole is passed through by connecting rod 53 between each cross bar 52
It is connected as one, the cross bar 52 of the push-rod electric machine 6 and one of lifting arm mechanism 5 is hinged.The connecting rod 53 can be
Integral type is set, and connecting rod and through-hole are interference fit, multiple asphalt blocks 3 can be tested simultaneously in this way, the company
Extension bar 53 can also be divided into multistage, and the end of adjacent two sections of connecting rods 53 is connected by annular boss 54, the annular boss 54
It is placed in the through-hole on the cross bar 52.
In the present embodiment, the asphalt blocks 3 to be tested are three pieces, and the injection linkage 4 is three, the lifting
Arm mechanism 5 is three, and is provided with through-hole on the cross bar 52 for lifting arm mechanism 5 at three, the through-hole being arranged on a cross bar 52
Central axes on same horizontal line, the connecting rod 53 be three sections, wherein one section pass through side lifting arm mechanism 5 horizontal stroke
Through-hole on bar 52, and connect with another section of connecting rod 53 by annular boss 54, the annular boss 54 is arranged on described
In through-hole on the cross bar 52 of intermediate lifting arm mechanism 5,53 other end of connecting rod is further through annular boss 54 and third Duan Lian
Extension bar 53 connects, and the annular boss 54 is located in the through-hole of the cross bar 52 of opposite side lifting arm mechanism 5.In addition, described push away
6 one end of bar motor is connect with the cross bar 52 of intermediate lifting arm mechanism 5, and the other end is connect with the workbench 11, in this way can
Reach the balance of power, improve the accuracy of test.
Above-mentioned setting can carry out pile penetration tests to three blocks of asphalt blocks 3 simultaneously, can also be by left side or right side
Connecting rod 53 is removed, and wherein two blocks of asphalt blocks 3 are tested, and can also be removed all connecting rods 53, individually to centre
One block of asphalt blocks 3 is tested.
In addition, the injection linkage 4 includes injection bar 41, the injection bar 41 is by being arranged on 2 top of water tank
Bore portion stretch into inside the water tank 2.It is provided with being less than upper inner diameter for lower inner diameter in the hole at 2 top of water tank
Stepped hole 21, abutment sleeve 8 is threaded on the top of the stepped hole 21, and 8 lower outer diameter of abutment sleeve is less than upper
Portion's outer diameter, the internal diameter of the abutment sleeve 8 are consistent with 21 lower inner diameter of stepped hole.It is set on 8 inner wall of abutment sleeve
Axial raised line 81 is equipped with, is provided on the outer wall of the injection bar 41 and the 81 matched groove 412 of raised line.It is described
Raised line 81 can be to be welded on the inner wall of the orientation sleeve 8 or slot is provided on 8 inner wall of abutment sleeve, then will
The raised line is mounted in the slot.
In the present embodiment, the abutment sleeve 8 is provided with counter sink at the top of it, and passes through the counter sink and water
2 top of case is fixedly connected, and avoids the abutment sleeve 8 circumferential mobile, 8 lower part of abutment sleeve is stretched on the stepped hole 21
Portion so that the inner wall of 8 inner wall of abutment sleeve and 21 lower part of stepped hole is same plane, in this way can be to the injection
Bar 41 plays guiding role, ensures that the injection bar 41 vertically exerts a force to the asphalt blocks 3 so that the data of test are more accurate
Really；And the setting of abutment sleeve 8 also is able to be supported on the pallet 43 equipped with clump weight counterweight 42 during declining, reduction pair
The impact of water tank reduces the burden of push-rod electric machine 6.
Also, the cross bar 52 in the present embodiment is achieved in that the movable supporting of 41 mechanism of injection bar and is passed through described
Enter and the ear column 411 prominent to horizontal both sides is provided on bar 41, the other end of the cross bar 52 is set for U-shaped and support upwards
The ear column 411.Enable when injection bar 41 declines in test and be separated with cross bar 52.
Finally, can 2 lower part of water tank be provided with heated at constant temperature water tank 9, be respectively arranged in 9 both sides of water tank with
The water inlet 22 and water outlet 23 that the heated at constant temperature water tank 9 is connected by pipeline.Wherein set in the heated at constant temperature water tank 9
Electric heating wire is equipped with, 9 side of heated at constant temperature water tank is equipped with the water pump pallet 91 for placing water pump, wherein, it is arranged on
The water inlet 22 on the water tank 2 is less than the water outlet 23.In addition, can also in the 2 inside set temperature meter of water tank,
Observing and controlling is carried out to the water temperature in water tank.So, it can ensure that the constant temperature in water tank 2 is in temperature to be tested, carry
The high accuracy of test.
In addition, the bituminous concrete pile penetration test device of the present embodiment also has simple installation, simple in structure and occupation of land
Small advantage, bituminous concrete pile penetration intelligent tester of the invention need advanced following installation behaviour before the experiments were performed
Make：1. rack 1 is placed on smooth broad ground, rack leg can be fixed, and reduce rack 1 in placement experimentation and shake
It is dynamic that experimental data is had an impact.2. injection bar 41 and abutment sleeve 8 are fixed in the stepped hole 21 at 2 top of water tank, spiral shell is used
Abutment sleeve 8 is connect by nail with 2 top of water tank, prevents fixes sleeve 8 from shaking, rotating.3. by connecting rod 3 and three cross bars
52 hole is together in series, and then the montant 51 of three lifting arm mechanisms 5 with workbench 11 is connected, lifts the cross bar of arm mechanism 5
The approximate location of 52 U-shaped end should be identical with 8 position of abutment sleeve.4. pallet 43 and injection linkage 4 are installed into positioning
In sleeve 8, it is placed on the cross bar 52 of lifting arm mechanism 5, the U-shaped opening of 52 end of cross bar supports the ear on injection bar 41
Column 411,7 installation site of displacement detector on injection bar 41 should be according to range reasonable installation.5. 6 pedestal of push-rod electric machine is pacified
On workbench 11, the push rod of push-rod electric machine 6 and the cross bar 52 of intermediate lifting arm mechanism 5 are hinged.
After installing, the asphalt blocks that need to be tested are placed in the water tank 2, wherein the water tank 2 can be arranged to
Closing, but it is put into asphalt blocks 3 in order to more convenient, the water tank 2 in the present embodiment is arranged to bottom activity, i.e., forward
2 bottom of water tank can be pulled out when drawing 2 antetheca of water tank, conveniently be put into asphalt blocks 3.
After being put into asphalt blocks 3, clump weight counterweight 42 is added on the pallet 43, the clump weight counterweight 42 can basis
Test request is added, and the clump weight counterweight 42 of different weight can be added on different pallets 43.In the present embodiment
Clump weight counterweight 42, which uses, has the advantages that the small lead material of density large volume is made, and sheet is made and is stacked in pallet 43, is
The landing of clump weight counterweight 42 is avoided, can convex edge be set in the surrounding of pallet 43.
Then, the water in heated at constant temperature water tank 9 is passed through by the water inlet 22 on water tank in water tank 2 and ensures water tank 2
In constant water temperature, then so that push rod downlink, the cross bar 52 and connecting rod 53 that lift arm mechanism 5 decline reversal connection push-rod electric machine 6,
Each pallet 43 and clump weight counterweight 42 are separated, respectively after injection bar 41 touches asphalt blocks 3 with lifting arm mechanism 5
Test non-interference.
In addition, the injection linkage 4 and lifting arm mechanism 5 in the present embodiment are three, but one can be only set,
Or two, three or more can also be set, can be measured according to testing requirement.
In the present embodiment, institute's displacement sensing device 7 uses high-precision tangent displacement sensor, can also use
Non-contact displacement transducer, precision 0.01mm, the data transmission that detected are recorded and are located to data processing terminal
Reason greatly improves the accuracy, precision and efficiency of detection.
Claims (10)
1. a kind of bituminous concrete pile penetration test device, including rack（1）, the rack（1）Including workbench（11）And it sets
It puts in the workbench（11）On water tank（2）, in the water tank（2）Interior bottom is provided with asphalt blocks to be tested（3）, institute
State water tank（2）Top is provided with part and stretches into the water tank（2）It is internal and with the asphalt blocks（3）Opposite injection linkage
（4）, in the injection linkage（4）Top, which is equipped with, places clump weight counterweight（42）Pallet（43）, it is characterised in that：Institute
State workbench（11）On be additionally provided with lifting arm mechanism（5）, the lifting arm mechanism（5）Including with the workbench（11）It is fixed
The montant of connection（51）With with the montant（51）Hinged cross bar（52）, the cross bar（52）Other end movable supporting described
Injection linkage（4）, in the cross bar（52）With the workbench（11）Between be also associated with push-rod electric machine（6）, and described
Injection linkage（4）On be additionally provided with displacement detector（7）；The asphalt blocks to be tested（3）There is polylith, with the pitch
Block（3）One-to-one correspondence has multiple injection linkages（4）, with the injection linkage（4）One-to-one correspondence has multiple lifting arm mechanisms
（5）；In the cross bar（52）On be provided with through-hole, pass through connecting rod between each cross bar（53）One is connected as across the through-hole
Body, the push-rod electric machine（6）With one of lifting arm mechanism（5）Cross bar（52）It is hinged.
2. bituminous concrete pile penetration test device as described in claim 1, it is characterised in that：The connecting rod（53）It is divided into
Multistage, adjacent two sections of connecting rods（53）End pass through annular boss（54）Connection, the annular boss（54）It is placed in the horizontal stroke
Bar（52）On through-hole in.
3. bituminous concrete pile penetration test device as claimed in claim 1 or 2, it is characterised in that：The injection linkage
（4）Including injection bar（41）, the injection bar（41）By being arranged on the water tank（2）The bore portion at top stretches into the water tank
（2）It is internal.
4. bituminous concrete pile penetration test device as claimed in claim 3, it is characterised in that：In the injection bar（41）On
It is provided with the ear column prominent to horizontal both sides（411）, the cross bar（52）The other end set for U-shaped and support institute upwards
State ear column（411）.
5. bituminous concrete pile penetration test device as claimed in claim 4, it is characterised in that：It is arranged on the water tank（2）
The hole at top is less than the stepped hole of upper inner diameter for lower inner diameter（21）, positioning sleeve is threaded on the top of the stepped hole
Cylinder（8）, the abutment sleeve（8）Lower outer diameter is less than top outer diameter, the abutment sleeve（8）Internal diameter and the stepped hole
（21）Lower inner diameter is consistent.
6. bituminous concrete pile penetration test device as claimed in claim 5, it is characterised in that：In the abutment sleeve（8）
Axial raised line is provided on inner wall（81）, in the injection bar（41）Outer wall on be provided with and the raised line（81）It matches
Groove（412）.
7. the bituminous concrete pile penetration test device as described in claim 1,2,4,5 or 6, it is characterised in that：In the water
Case（2）Lower part is provided with heated at constant temperature water tank（9）, in the water tank（2）Both sides are respectively arranged with and the heated at constant temperature water tank
（9）The water inlet connected by pipeline（22）And water outlet（23）.
8. bituminous concrete pile penetration test device as claimed in claim 3, it is characterised in that：In the water tank（2）Lower part
It is provided with heated at constant temperature water tank（9）, in the water tank（2）Both sides are respectively arranged with and the heated at constant temperature water tank（9）Pass through pipe
The water inlet of road connection（22）And water outlet（23）.
9. bituminous concrete pile penetration test device as claimed in claim 7, it is characterised in that：In the heated at constant temperature water tank
（9）Inside it is provided with electric heating wire, the heated at constant temperature water tank（9）Side is equipped with the water pump pallet for placing water pump（91）,
Wherein, it is arranged on the water tank（2）On the water inlet（22）Less than the water outlet（23）.
10. bituminous concrete pile penetration test device as claimed in claim 8, it is characterised in that：In the heated at constant temperature water
Case（9）Inside it is provided with electric heating wire, the heated at constant temperature water tank（9）Side is equipped with the water pump pallet for placing water pump
（91）, wherein, it is arranged on the water tank（2）On the water inlet（22）Less than the water outlet（23）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078893.0A CN105699632B (en) | 2016-02-04 | 2016-02-04 | A kind of bituminous concrete pile penetration test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078893.0A CN105699632B (en) | 2016-02-04 | 2016-02-04 | A kind of bituminous concrete pile penetration test device |
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| CN105699632A CN105699632A (en) | 2016-06-22 |
| CN105699632B true CN105699632B (en) | 2018-06-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106323757A (en) * | 2016-09-06 | 2017-01-11 | 哈尔滨工业大学 | Pouring asphalt concrete penetration test device |
| CN109116003A (en) * | 2018-09-26 | 2019-01-01 | 扬州大学 | A kind of asphalt uniaxial penetration test device of water bath with thermostatic control |
| CN109580349B (en) * | 2018-12-12 | 2021-06-22 | 中咨公路养护检测技术有限公司 | Asphalt cold-patch mixture performance test device and test method |
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| CN105699632A (en) | 2016-06-22 |
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