CN115561093A - Low-temperature asphalt extensometer for asphalt material test - Google Patents
Low-temperature asphalt extensometer for asphalt material test Download PDFInfo
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- CN115561093A CN115561093A CN202211019912.4A CN202211019912A CN115561093A CN 115561093 A CN115561093 A CN 115561093A CN 202211019912 A CN202211019912 A CN 202211019912A CN 115561093 A CN115561093 A CN 115561093A
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- asphalt
- extensometer
- test
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 239000010426 asphalt Substances 0.000 title claims abstract description 56
- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000013522 software testing Methods 0.000 abstract description 2
- 238000009864 tensile test Methods 0.000 abstract description 2
- 238000004154 testing of material Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 15
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/28—Investigating ductility, e.g. suitability of sheet metal for deep-drawing or spinning
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- B08B1/12—
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- B08B1/32—
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
Abstract
The invention is suitable for the technical field of asphalt material testing, and provides a low-temperature asphalt extensometer for an asphalt material test, which comprises a shell; the upper surface of the machine shell is inwards sunken and transversely provided with a testing cavity, and the left side of the bottom of the machine shell is vertically provided with a collecting cavity. This experimental low temperature pitch extensometer that uses of pitch material, through the inside filter screen of through-hole, make after the pitch tensile test of test chamber inner chamber, disconnected pitch silk that falls can get into the inner chamber of collecting the chamber along with rivers, rivers filter through the filter screen afterwards, make pitch silk landing in the bottom of collecting the chamber inner chamber, rivers after filtering pass through the screw and carry to the inner chamber in cooling chamber, cool off through the condenser pipe, rivers after the primary cooling get into the inner chamber in heating chamber and get into the inside in test chamber again and circulate, make pitch silk can collect the inner chamber in collecting the chamber, thereby make this equipment can carry out the continuation test, same clearance after whole tests are finished, increase staff's efficiency of software testing.
Description
Technical Field
The invention belongs to the technical field of asphalt material testing, and particularly relates to a low-temperature asphalt extensometer for an asphalt material test.
Background
The asphalt extensometer is suitable for measuring the extensibility of various types of asphalt, residues after distillation of liquid asphalt, asphalt emulsion evaporation residues and other materials, and mainly comprises a mechanical stretching device, a temperature control device and a liquid crystal display part.
Asphalt extensometer once tests three test piece usually when using, but when the tensile disconnection of pitch test piece, the pitch silk can float at the surface of water, can't concentrate the clearance, consequently needs the staff to clear up the pitch silk earlier, after the clearance, just can continue the test, and is comparatively troublesome, influences efficiency of software testing.
Disclosure of Invention
The invention provides a low-temperature asphalt extensometer for asphalt material tests, which aims to solve the problem that when an asphalt test piece is broken by stretching, asphalt filaments float on the water surface and cannot be intensively cleaned, so that the asphalt filaments are cleaned by workers firstly to continue testing.
The invention is realized in this way, a low-temperature asphalt extensometer for asphalt material tests, comprising a casing; the testing device comprises a casing, a testing cavity, a collecting cavity, a first suction pump, a partition board, a cooling cavity and a driving box, wherein the upper surface of the casing is inwards sunken and transversely provided with the testing cavity, the left side of the bottom of the casing is vertically provided with the collecting cavity, the left side of the casing is fixedly provided with the first suction pump, a water inlet of the first suction pump is communicated with the inner cavity of the testing cavity, a water outlet of the first suction pump is communicated with the inner cavity of the collecting cavity, the inner cavity of the collecting cavity is vertically and fixedly provided with the partition board, the inner part of the casing is transversely provided with the cooling cavity on the right side of the collecting cavity, and the right side of the partition board is fixedly provided with the driving box; the inner cavity of the driving box is rotatably and transversely provided with a transmission rod, a front rotating rod is rotatably and transversely arranged inside the partition plate, a plurality of through holes are annularly arranged on the outer ring of the partition plate positioned on the front rotating rod at intervals, a filter screen is arranged inside the through holes, one end of the front rotating rod extends to the left side of the partition plate, a supporting plate is fixedly arranged at one end of the front rotating rod positioned on the left side of the partition plate, and a cleaning brush is arranged on the inner wall of the supporting plate; the other end of the front rotating rod rotatably extends to the inner cavity of the driving box, a rear rotating rod is rotatably and transversely arranged on the right side of the inner cavity of the driving box, one end of the rear rotating rod extends to the outside of the driving box, a propeller is fixedly mounted at one end, located outside the driving box, of the rear rotating rod, and a sealing door is arranged on the front face of the casing and located in the corresponding position of the collecting cavity.
Preferably, the inside of casing just is located the heating chamber has been seted up on the right side in cooling chamber, the chamber of placing has been seted up on the right side at casing top, the inside of placing the chamber is provided with the pumper.
Preferably, the water inlet of the upper pump is communicated with the inner cavity of the heating cavity, the water outlet of the upper pump is communicated with the inner cavity of the testing cavity, and the second pump is arranged in the casing and located on one side of the cooling cavity.
Preferably, the water inlet of the second pump is communicated with the inner cavity of the cooling cavity, the water outlet of the second pump is communicated with the inner cavity of the heating cavity, the condensing pipe is transversely fixedly mounted in the inner cavity of the cooling cavity, and the heating wire is vertically and fixedly mounted in the inner cavity of the heating cavity.
Preferably, a medium-sized bevel gear is fixedly mounted on the surface of the transmission rod, a large bevel gear meshed with the medium-sized bevel gear is fixedly mounted at one end of the front transmission rod, which is located in the inner cavity of the driving box, a small bevel gear meshed with the medium-sized bevel gear is fixedly mounted at one end of the rear transmission rod, which is located in the inner cavity of the driving box, and the front end of the transmission rod rotatably extends to the outside of the casing.
Preferably, the rear end of the inner cavity of the test cavity is rotatably and transversely provided with a mechanical stretching device, the surface of the mechanical stretching device is in threaded connection with a moving seat, and one end, far away from the mechanical stretching device, of the moving seat is in sliding connection with the inner wall of the test cavity.
Preferably, the vertical section of the movable seat is concave, the movable seat is positioned at the top of the mechanical stretching device, a measuring pointer is vertically and fixedly installed at the top of the mechanical stretching device, and a fixed seat is transversely and fixedly installed on the left side of the inner wall of the test cavity.
Preferably, the top detachably of fixing base is provided with preceding supporting seat, the upper surface detachably who removes the seat is provided with the back supporting seat, preceding supporting seat with detachably is provided with the examination mould subassembly between the back supporting seat.
Preferably, the fixed slot has all been seted up to the both sides of fixing base inner wall, the equal fixed mounting in the left both ends of preceding supporting seat has the fixed block that extends to litigation fixed slot inside, the fixed block pass through the bolt with the connection can be dismantled to the inner chamber of fixed slot.
Preferably, spring chamber has all transversely been seted up inwards cavedly at the both ends of back supporting seat, the vertical slide that is provided with of inner chamber slidable ground in spring chamber, the inner wall of slide with telescopically transversely is provided with supporting spring between the inner wall in spring chamber, the horizontal fixed mounting of outer wall of slide has the extension to remove the inside fixture block of seat.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
according to the low-temperature asphalt extensometer for asphalt material tests, due to the filter screen in the through hole, when asphalt tensile test of the inner cavity of the test cavity is finished, broken asphalt filaments can enter the inner cavity of the collection cavity along with water flow, then the water flow is filtered through the filter screen, the asphalt filaments slide on the bottom of the inner cavity of the collection cavity, the filtered water flow is conveyed to the inner cavity of the cooling cavity through the propeller and is cooled through the condenser pipe, the primarily cooled water flow enters the inner cavity of the heating cavity and then enters the interior of the test cavity to circulate, the asphalt filaments can be collected in the inner cavity of the collection cavity, so that continuous test can be performed on the equipment, and the equipment can be cleaned uniformly after all tests are finished, and the test efficiency of workers is improved.
According to the low-temperature asphalt extensometer for asphalt material tests, due to the fact that the rear supporting seat is detachably connected with the front supporting seat, when workers test asphalt materials of different specifications, the asphalt materials of different specifications are poured into the test mold assemblies according to requirements, connection between the fixing block and the fixing groove can be removed through the bolts, the front supporting seat is detached, then the sliding plate slides inwards, clamping of the movable seat is removed through the clamping block when the supporting spring is extruded and contracted, the rear supporting seat is detached, then the rear supporting seat and the front supporting seat are replaced to be in sizes matched with test mold assemblies of different specifications, the low-temperature asphalt extensometer can be used for test mold assemblies of different sizes, and is simple in detaching structure, convenient to use, time-saving and labor-saving.
Drawings
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic top view of the front support and test assembly structure of the present invention;
FIG. 3 is a schematic top sectional view of the rear supporting base and the fixing base of the present invention;
FIG. 4 is a side sectional view of the rear support and movable base of the present invention;
FIG. 5 is a schematic side sectional view of the through hole and the front rotary rod according to the present invention;
FIG. 6 is a schematic structural view of a trial mold assembly according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. a housing; 2. a test chamber; 3. a mechanical stretching device; 4. a movable seat; 5. measuring a pointer; 6. a collection chamber; 7. a front rotary rod; 8. a rear support base; 9. a clamping block; 10. testing the mold assembly; 11. a front support base; 12. a fixed seat; 13. a placement chamber; 14. an upper suction pump; 15. a heating cavity; 16. a heating wire; 17. a cooling chamber; 18. a condenser tube; 19. a partition plate; 20. a through hole; 21. a drive box; 22. a large bevel gear; 23. a rear rotating rod; 24. a bevel pinion gear; 25. a transmission rod; 26. a fixed block; 27. a fixing groove; 28. a support spring; 29. a spring cavity; 30. a slide plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-7, the present invention provides a technical solution: a low-temperature asphalt extensometer for asphalt material test comprises a casing 1; the upper surface of casing 1 has transversely seted up test chamber 2 inwards caved in, the vertical collection chamber 6 of having seted up in left side of casing 1 bottom, the left side fixed mounting of casing 1 has first pump, and the water inlet of first pump is linked together with test chamber 2 inner chambers, the delivery port of first pump is linked together with the inner chamber of collecting chamber 6, the vertical fixed mounting of inner chamber of collecting chamber 6 has baffle 19, the inside of casing 1 and the right side that is located collection chamber 6 have transversely seted up cooling chamber 17, the right side fixed mounting of baffle 19 has drive box 21.
The connection between the first pump and the test chamber 2 and the collection chamber 6 are connected by a pipe.
The inner cavity of the driving box 21 is rotatably and transversely provided with a transmission rod 25, the inner part of the partition plate 19 is rotatably and transversely provided with the front rotation rod 7, the partition plate 19 is positioned on the outer ring of the front rotation rod 7 and is annularly provided with a plurality of through holes 20 at intervals, and a filter screen is arranged in each through hole 20.
After the inner chamber test of pitch material at test chamber 2, will try mould subassembly 10 and take out, start first pumpdown afterwards, make the remaining pitch silk of disconnection get into the inner chamber of collecting chamber 6 when the liquid area of test chamber 2 inner chamber floated pitch test, during liquid process baffle 19 inside through-hole 20 afterwards, the inside filter screen of through-hole 20 can filter the pitch silk, make the pitch silk concentrate and collect the inner chamber at collection chamber 6, in order to prevent that the pitch silk from receiving the inner wall of temperature influence adhesion at collection chamber 6, consequently, collect chamber 6 inner chamber and should remain some liquid this moment and soak the pitch silk, when clearing up, take out liquid totally again, only remain the pitch silk and clear up.
One end of the front rotary rod 7 extends to the left side of the partition plate 19, a support plate is fixedly installed at one end, located on the left side of the partition plate 19, of the front rotary rod 7, and a cleaning brush is arranged on the inner wall of the support plate; the other end of preceding dwang 7 rotationally extends to the inner chamber of drive box 21, and the right side of drive box 21 inner chamber rotationally transversely is provided with back dwang 23, and the one end of back dwang 23 extends to the outside of drive box 21, and the one end fixed mounting that back dwang 23 is located the drive box 21 outside has the screw, and the front of casing 1 just is located the corresponding position of collecting chamber 6 and is provided with sealing door.
In this embodiment, after liquid got into the inner chamber of collecting chamber 6, preceding dwang 7 rotated with back dwang 23 for preceding dwang 7 drives the clearance brush in the backup pad and clears up the filter screen, and back dwang 23 drives the screw and rotates when preventing that the pitch silk from blockking up through-hole 20, makes the better inner chamber that gets into cooling chamber 17 of liquid cool off the recycle through condenser pipe 18.
Further, a heating cavity 15 is formed in the casing 1 and located on the right side of the cooling cavity 17, a placing cavity 13 is formed in the right side of the top of the casing 1, and an upper suction pump 14 is arranged inside the placing cavity 13.
In this embodiment, the liquid in the heating chamber 15 can be pumped back into the test chamber 2 for continuous use by the upper pump 14 in the chamber 13.
Further, a water inlet of the upper pump 14 is communicated with an inner cavity of the heating cavity 15, a water outlet of the upper pump 14 is communicated with an inner cavity of the testing cavity 2, a second pump is arranged inside the casing 1 and on one side of the cooling cavity 17, a water inlet of the second pump is communicated with the inner cavity of the cooling cavity 17, a water outlet of the second pump is communicated with the inner cavity of the heating cavity 15, a condensation pipe 18 is transversely and fixedly installed in the inner cavity of the cooling cavity 17, and a heating wire 16 is vertically and fixedly installed in the inner cavity of the heating cavity 15.
The connection between the second pump and both the cooling chamber 17 and the heating chamber 15 is via a pipe connection.
In this embodiment, a refrigerator is disposed on the back surface of the cabinet 1, the refrigerant fluid generated by the refrigerator can enter the inner cavity of the condensation pipe 18, and then the liquid passes through the condensation pipe 18, so that the condensation pipe 18 can cool the liquid, the heating wire 16 can heat the liquid, and the device can adjust the water level according to the requirement.
Further, a medium bevel gear is fixedly mounted on the surface of the transmission rod 25, a large bevel gear 22 meshed with the medium bevel gear is fixedly mounted at one end of the front rotation rod 7 located in the inner cavity of the driving box 21, a small bevel gear 24 meshed with the medium bevel gear is fixedly mounted at one end of the rear rotation rod 23 located in the inner cavity of the driving box 21, and the front end of the transmission rod 25 rotatably extends to the outside of the housing 1.
A servo motor for driving the transmission rod 25 to rotate is fixedly arranged on the front surface of the machine shell 1.
In this embodiment, the diameter of the large bevel gear 22 is larger than that of the medium bevel gear, the diameter of the medium bevel gear is larger than that of the small bevel gear 24, and when the medium bevel gear rotates, the medium bevel gear is meshed with the large bevel gear 22 to decelerate, so that the front rotating rod 7 slowly drives the cleaning brush to clean the filter screen on the through hole 20, and simultaneously, the medium bevel gear is meshed with the small bevel gear 24 to accelerate, so that the rear rotating rod 23 drives the propeller to rotate rapidly, and water flows to the inner cavity of the cooling cavity 17 better.
Furthermore, the rear end of the inner cavity of the test cavity 2 is rotatably and transversely provided with a mechanical stretching device 3, the surface of the mechanical stretching device 3 is in threaded connection with a movable seat 4, and one end, far away from the mechanical stretching device 3, of the movable seat 4 is in sliding connection with the inner wall of the test cavity 2.
In the present embodiment, a low-speed motor for driving the mechanical stretching device 3 to rotate is fixedly mounted on the right side of the housing 1.
Furthermore, the vertical section of the movable seat 4 is concave, a measuring pointer 5 is vertically and fixedly mounted at the top of the mechanical stretching device 3 of the movable seat 4, and a graduated scale matched with the measuring pointer 5 is arranged on the upper surface of the machine shell 1 so as to observe the stretching length.
Horizontal fixed mounting in the left side of 2 inner walls in test chamber has fixing base 12, and the top detachably of fixing base 12 is provided with preceding supporting seat 11, and the upper surface detachably who removes seat 4 is provided with back supporting seat 8, and detachably is provided with examination mould subassembly 10 between preceding supporting seat 11 and the back supporting seat 8.
In this embodiment, dismantle through back supporting seat 8 and preceding supporting seat 11 and connect, make the staff when testing the asphalt material of different specifications, pour the asphalt material of different specifications into the examination mould subassembly 10 back according to the demand, accessible bolt removes the connection between fixed block 26 and the fixed slot 27, make preceding supporting seat 11 dismantle, inwards slide 30 afterwards, fixture block 9 removes the block to removing seat 4 when making supporting spring 28 receive extrusion shrink, thereby make back supporting seat 8 dismantle, later change back supporting seat 8 and preceding supporting seat 11 into the size with different specification examination mould subassembly 10 looks adaptations, it is simple to make the device dismantle simple structure when can using to the examination mould subassembly 10 of equidimension not, high durability and convenient use, time saving and labor saving.
Fixed slot 27 has all been seted up to the both sides of fixing base 12 inner wall, and the equal fixed mounting in the left both ends of preceding supporting seat 11 has the fixed block 26 that extends to fixed slot 27 inside, and fixed block 26 passes through the bolt and can dismantle with the inner chamber of fixed slot 27 and be connected.
Further, spring chamber 29 has all transversely been seted up inwards cavedly at the both ends of back supporting seat 8, and the vertical slide 30 that is provided with of inner chamber slidable of spring chamber 29, and the retractable transversely is provided with supporting spring 28 between the inner wall of slide 30 and the inner wall of spring chamber 29, and the horizontal fixed mounting of outer wall of slide 30 has the fixture block 9 that extends to the inside of removal seat 4.
In this embodiment, the spring chamber 29 has a sliding slot for the sliding plate 30 to slide, and when the sliding plate 30 moves inward, the supporting spring 28 contracts and generates an elastic force.
The working principle and the using process of the invention are as follows: after the device is installed, two ends of a test module 10 are respectively fixed on the upper surfaces of a front supporting seat 11 and a rear supporting seat 8, then a mechanical stretching device 3 is started to rotate the mechanical stretching device 3 to drive the test module 10 to be separated, so that asphalt materials in the test module 10 are stretched, then the stretching length is observed through a measuring pointer 5, after the test is finished, the test module 10 is taken out, then a first pump is started to pump liquid into an inner cavity of a collecting cavity 6, the liquid is filtered through a filter screen in a through hole 20, then the liquid enters an inner cavity of a cooling cavity 17, can be refrigerated through a condensing pipe 18 according to requirements through the liquid, or is pumped into an inner cavity of a heating cavity 15 through a second pump and is heated through a heating wire 16, and then the water is circulated to the inner cavity of a test cavity 2 through an upper pump 14.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an experimental low temperature pitch extensometer that uses of bituminous material which characterized in that: comprises a casing (1);
the testing device is characterized in that a testing cavity (2) is formed in the upper surface of the machine shell (1) inwards and concavely in the horizontal direction, a collecting cavity (6) is vertically formed in the left side of the bottom of the machine shell (1), a first pump is fixedly mounted on the left side of the machine shell (1), a water inlet of the first pump is communicated with the inner cavity of the testing cavity (2), a water outlet of the first pump is communicated with the inner cavity of the collecting cavity (6), a partition plate (19) is vertically and fixedly mounted in the inner cavity of the collecting cavity (6), a cooling cavity (17) is formed in the machine shell (1) and located on the right side of the collecting cavity (6) in the horizontal direction, and a driving box (21) is fixedly mounted on the right side of the partition plate (19);
a transmission rod (25) is rotatably and transversely arranged in an inner cavity of the driving box (21), a front rotating rod (7) is rotatably and transversely arranged inside the partition plate (19), a plurality of through holes (20) are formed in the partition plate (19) and are positioned on the outer ring of the front rotating rod (7) at intervals in an annular mode, a filter screen is arranged inside each through hole (20), one end of the front rotating rod (7) extends to the left side of the partition plate (19), a supporting plate is fixedly installed at one end, positioned on the left side of the partition plate (19), of the front rotating rod (7), and a cleaning brush is arranged on the inner wall of the supporting plate;
the other end of preceding dwang (7) rotationally extends to the inner chamber of drive case (21), the right side of drive case (21) inner chamber rotationally transversely is provided with back dwang (23), the one end of back dwang (23) extends to the outside of drive case (21), back dwang (23) are located the outside one end fixed mounting of drive case (21) has the screw, just be located in the front of casing (1) the corresponding position of collecting chamber (6) is provided with sealing door.
2. The low temperature asphalt extensometer for asphalt material test as claimed in claim 1, wherein: the inside of casing (1) just is located heating chamber (15) have been seted up on the right side of cooling chamber (17), the right side at casing (1) top has been seted up and has been placed chamber (13), the inside of placing chamber (13) is provided with and pumps (14).
3. The low temperature asphalt extensometer for asphalt material test as claimed in claim 2, wherein: the water inlet of the upper suction pump (14) is communicated with the inner cavity of the heating cavity (15), the water outlet of the upper suction pump (14) is communicated with the inner cavity of the testing cavity (2), and a second suction pump is arranged inside the machine shell (1) and positioned on one side of the cooling cavity (17).
4. The low-temperature asphalt extensometer for testing asphalt material as claimed in claim 3, wherein: the water inlet of second pumper with the inner chamber of cooling chamber (17) is linked together, the delivery port of second pumper with the inner chamber of heating chamber (15) is linked together, the horizontal fixed mounting of inner chamber of cooling chamber (17) has condenser pipe (18), the vertical fixed mounting of inner chamber of heating chamber (15) has heater strip (16).
5. The low-temperature asphalt extensometer for testing asphalt material as claimed in claim 1, wherein: the surface of the transmission rod (25) is fixedly provided with a medium bevel gear, one end of the front transmission rod (7) positioned in the inner cavity of the driving box (21) is fixedly provided with a large bevel gear (22) meshed with the medium bevel gear, one end of the rear transmission rod (23) positioned in the inner cavity of the driving box (21) is fixedly provided with a small bevel gear (24) meshed with the medium bevel gear, and the front end of the transmission rod (25) can rotatably extend to the outside of the casing (1).
6. The low-temperature asphalt extensometer for testing asphalt material as claimed in claim 1, wherein: the rear end of the inner cavity of the test cavity (2) is rotatably and transversely provided with a mechanical stretching device (3), the surface of the mechanical stretching device (3) is in threaded connection with a moving seat (4), and the moving seat (4) is far away from one end of the mechanical stretching device (3) and is in sliding connection with the inner wall of the test cavity (2).
7. The low temperature asphalt extensometer for asphalt material test as claimed in claim 6, wherein: the vertical section of the moving seat (4) is arranged in a concave shape, the moving seat (4) is located at the vertical fixed mounting at the top of the mechanical stretching device (3) and is provided with a measuring pointer (5), and the horizontal fixed mounting at the left side of the inner wall of the testing cavity (2) is provided with a fixed seat (12).
8. The low temperature asphalt extensometer for asphalt material test as claimed in claim 7, wherein: the top detachably of fixing base (12) is provided with preceding supporting seat (11), the upper surface detachably who removes seat (4) is provided with back supporting seat (8), preceding supporting seat (11) with detachably is provided with between back supporting seat (8) examination mould subassembly (10).
9. The low-temperature asphalt extensometer for testing asphalt material as claimed in claim 8, wherein: fixed slot (27) have all been seted up to the both sides of fixing base (12) inner wall, the equal fixed mounting in both ends of preceding supporting seat (11) has fixed block (26) that extend to litigation fixed slot (27) inside, fixed block (26) pass through the bolt with the connection can be dismantled to the inner chamber of fixed slot (27).
10. The low temperature asphalt extensometer for asphalt material test as claimed in claim 9, wherein: spring chamber (29) have all transversely been seted up inwards cavedly at the both ends of back supporting seat (8), the vertical slide (30) that is provided with of inner chamber slidable ground of spring chamber (29), the inner wall of slide (30) with telescopically transversely is provided with supporting spring (28) between the inner wall of spring chamber (29), the horizontal fixed mounting of outer wall of slide (30) has the extension to remove inside fixture block (9) of seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211019912.4A CN115561093A (en) | 2022-08-24 | 2022-08-24 | Low-temperature asphalt extensometer for asphalt material test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211019912.4A CN115561093A (en) | 2022-08-24 | 2022-08-24 | Low-temperature asphalt extensometer for asphalt material test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115561093A true CN115561093A (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211019912.4A Withdrawn CN115561093A (en) | 2022-08-24 | 2022-08-24 | Low-temperature asphalt extensometer for asphalt material test |
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| CN (1) | CN115561093A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405523A (en) * | 2023-12-14 | 2024-01-16 | 山东鲁中公路市政检测有限公司 | Highway construction asphalt extensibility detection device and method |
-
2022
- 2022-08-24 CN CN202211019912.4A patent/CN115561093A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405523A (en) * | 2023-12-14 | 2024-01-16 | 山东鲁中公路市政检测有限公司 | Highway construction asphalt extensibility detection device and method |
| CN117405523B (en) * | 2023-12-14 | 2024-02-20 | 山东鲁中公路市政检测有限公司 | Highway construction asphalt extensibility detection device and method |
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Application publication date: 20230103 |