CN207197962U - Pitch ductility analyzer - Google Patents
Pitch ductility analyzer Download PDFInfo
- Publication number
- CN207197962U CN207197962U CN201720866508.9U CN201720866508U CN207197962U CN 207197962 U CN207197962 U CN 207197962U CN 201720866508 U CN201720866508 U CN 201720866508U CN 207197962 U CN207197962 U CN 207197962U
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- mounting table
- tank
- bitumen samples
- dead slot
- cabinet
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Abstract
The utility model discloses a kind of pitch ductility analyzer, its drip irrigation device includes cabinet, the tank being arranged in cabinet and is arranged to be used for the stretching device for stretching bitumen samples in tank, the stretching device includes the first mounting table placed for bitumen samples side and the second mounting table placed for bitumen samples opposite side, and dead slot is provided between first mounting table and the second mounting table；Density instruction device is provided with the cabinet, the density instruction device includes：It is arranged in dead slot and is used to detecting bitumen samples and dead slot spacing and exports the range sensor of distance signal, the indicate indicator being arranged on the upside of cabinet and to receive distance signal and send electric signal to indicate indicator according to distance signal, drive the controller of indicate indicator instruction bitumen samples sinking or floating state, the utility model, which has, improves detection authentication service, accurately judges the effect in tank between water density and pitch.
Description
Technical field
Road pavement testing of materials instrument is the utility model is related to, more specifically it is related to a kind of pitch ductility measure
Instrument.
Background technology
Bitumen ductility is meant that：By bitumen samples by being molded as the 8-shaped of Arabic numerals, in 25 DEG C or so of temperature
Under, with 5 ㎝/min or so speed tensile to length when being broken（㎝）.Certainly, ductility is bigger, shows the plasticity of pitch
Better, therefore, ductility is evaluation or an extremely important index for evaluating pitch plasticity.
At present, notification number is that CN206192798U Chinese patent discloses a kind of bitumen ductility instrument, including combination experiment
Device, register, EGR, described experimental provision include table top, support, tank, drawing plate, leading screw, described tune
Warm device includes temperature regulating drum, heater, compressor, and described EGR includes water pump, tank outlet pipe, tank water inlet
Mouthful, described cradle top is provided with table top and is internally provided with temperature regulating drum, water pump, heater, compressor, in described table top
Heart open bottom is provided with tank, and described tank side is provided with leading screw, and described drawing plate is fixed on water for totally two one
On the left of groove, another is driven by leading screw, and described bottom of gullet side, which is provided with tank outlet pipe opposite side and is provided with tank, to be entered
The mouth of a river.
Above-mentioned pitch ductility analyzer is similar in the prior art, and it is before pitch ductility is determined, in order to disappear
Except the interference of pitch self gravitation in drawing process, alcohol salinity is usually added in the sink and reduces or increase the close of water
Degree so that the buoyancy that pitch is subject to offsets with gravity.It is often whether curved by eye-observation pitch in existing ductility machine
Song, it is not accurate enough.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of pitch ductility analyzer,
It the advantage is that the accurate relation judged in tank between water density and pitch.
To achieve the above object, the utility model provides following technical scheme：A kind of pitch ductility analyzer, including
Cabinet, the tank being arranged in cabinet and it is arranged at and is used for the stretching device for stretching bitumen samples, the stretching device in tank
Include the first mounting table placed for bitumen samples side and the second mounting table placed for bitumen samples opposite sides, described the
Dead slot is provided between one mounting table and the second mounting table；Density instruction device, the density instruction are provided with the cabinet
Device includes：It is arranged in dead slot and is used to detect bitumen samples with dead slot spacing and export the range sensor of distance signal, set
The indicate indicator that is placed on the upside of cabinet and to receive distance signal and send electric signal to indicate indicator according to distance signal, drives
Make the controller of indicate indicator instruction bitumen samples sinking or floating state.
By using above-mentioned technical proposal, bitumen samples are the figure of eight.The side of bitumen samples is placed before testing
In the first mounting table, the opposite side of bitumen samples is placed on the second mounting table；Due between the first mounting table and the second mounting table
Dead slot is provided with, therefore is in the bitumen samples on the upside of dead slot, power will not be supported, the water buoyancy in self gravitation and tank
In the presence of rise or fall.And by range sensor, obtain spacing between dead slot upside bitumen samples and range sensor
Distance signal；By controller by compared with the spacing between distance signal and sensor and mounting table；If apart from biography
Spacing between sensor and bitumen samples is more than the spacing between range sensor, then illustrates that bitumen samples float；And work as distance
The spacing being smaller than between range sensor between sensor and bitumen samples, then illustrate that bitumen samples sink.So as to root
Float the electric signal different with the state output of sinking according to pitch, indicate indicator is carried out different instructions.So as to compared to only leading to
Human eye judgement is crossed, is judged more accurate.
The utility model is further arranged to：The range sensor is arranged at the middle part of dead slot.
By using above-mentioned technical proposal, because deformation quantity of the bitumen samples in the middle part of dead slot is maximum, therefore by will be away from
It is more accurate from the middle part that sensor is fixed on dead slot, detection.
The utility model is further arranged to：The upper end of the inwall of the dead slot is provided with the shielding angle of arc.
By using above-mentioned technical proposal, when bitumen samples sink, bitumen samples may be with the contact of dead slot inwall；It is logical
Cross on dead slot inwall and shielding angle is set, it is softer when reduction dead slot inwall contacts with bitumen samples.
The utility model is further arranged to：The indicate indicator includes floating indicator lamp and sinking indicator lamp.
By using above-mentioned technical proposal, indicate indicator indicates that density is tried less than pitch in tank by floating indicator lamp
The state of sample density, indicate that density is more than the state of bitumen samples density in tank by sinking indicator lamp.
The utility model is further arranged to：The controller includes：
Floating control circuit, including first comparator, for when distance signal is higher than the first predeterminated voltage, connecting and floating
Indicator lamp；
Sinking control circuit, including the second comparator, for when distance signal is less than the second predeterminated voltage, connecting
Indicator lamp.
It is by first comparator and the second comparator that distance signal is pre- with first respectively by using above-mentioned technical proposal
If voltage is compared with the second predeterminated voltage, so as to export different electric signals, complete to floating indicator lamp and sinking indicator lamp
Control.
The utility model is further arranged to：The stretching device also includes being arranged at tank side and being connected to second putting
Put platform be used for drive the drive component that is slid along tank length direction of the second mounting table.
By using above-mentioned technical proposal, when carrying out ductility test, drive the second mounting table relative by drive component
Slid in the first mounting table so that the distance of bitumen samples both sides gradually increases, and bitumen samples are gradually elongated.
The utility model is further arranged to：The motor that the drive component includes screw mandrel and drive screw rotates, it is described
Second mounting table is fixedly connected with the ball sleeve for being installed on screw mandrel, and the upside of the side wall for closing on screw mandrel side of the tank is set
There is the slip hole passed through for the second mounting table.
By using above-mentioned technical proposal, ball sleeve is fixed on the second mounting table, ball sleeve is arranged on screw mandrel, therefore
When motor drive screw rotates, ball sleeve can drive the overall length direction along tank of the second mounting table to slide.Wherein due to
Slip hole is arranged on the upside of basin sidewall so that the water in tank is not easy to be flowed into slip hole；And ball sleeve and screw mandrel it
Between for rolling frictional resistance it is smaller.
The utility model is further arranged to：The tank is offered and slid on the upside of the side wall away from slip hole side
Hole same level is highly and for the compensating groove of the second mounting table clamping.
By using above-mentioned technical proposal, due to compensating groove and slip hole same level height, therefore in the second mounting table
Both sides be respectively engaged with compensating groove and slip hole；Compensating groove and slip hole are respectively that the both sides of the second mounting table provide support
Power so that the both sides stress equalization of the second mounting table, sliding are more stable.
The utility model is further arranged to：The both sides of the slip hole, which are provided with, is electrically connected to motor for driving motor
The travel switch of stalling.
By using above-mentioned technical proposal, travel switch is arranged on the both sides of slip hole, can drive motor stalls,
Thus after motor turns to travel switch position, stop operating；So as to which travel switch serves effectively the second mounting table of limitation
The effect of skidding distance.
The utility model is further arranged to：It is provided with the upside of the inboard wall of cistern and takes edge.
By using above-mentioned technical proposal, taking along can be used in overlap joint lid, when without using tank, being hidden by using lid
Water-blocking groove, play a part of preventing impurity from entering in screw clamp.
In summary, the utility model has advantages below：
1st, the distance of bitumen samples is detected by range sensor, realizes the standard to bitumen samples rising or sinking state
Really judge；
2nd, by floating indicator lamp and sinking indicator lamp, accurate instruction is given, improves detection authentication service.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the enlarged diagram of A in Fig. 1；
Fig. 3 is the structural representation that the present embodiment highlights screw mandrel；
Fig. 4 is the schematic cross-sectional view that the present embodiment highlights the second loading table；
Fig. 5 is the schematic cross-sectional view that the present embodiment highlights frid structure；
Fig. 6 is the circuit diagram of the present embodiment Midst density detection means.
Description of reference numerals：1st, cabinet；2nd, tank；3rd, device for detecting density；4th, stretching device；5th, control panel；6th,
One mounting table；7th, the second mounting table；8th, screw mandrel；9th, motor；10th, slip hole；11st, compensating groove；12nd, ball sleeve；13rd, stroke is opened
Close；14th, edge is taken；15th, frid；16th, dead slot；17th, shielding angle；18th, range sensor；19th, indicate indicator；20th, floating indicator lamp；
21st, sinking indicator lamp；22nd, floating control circuit；23rd, sinking control circuit.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment, a kind of pitch ductility analyzer, as shown in figure 1, including cabinet 1, tank 2, water are provided with cabinet 1
The stretching device 4 for stretching bitumen samples is provided with groove 2 and is for detecting water density and bitumen samples density in tank 2
No close device for detecting density 3；The bottom of tank 2 is provided with the temperature-adjusting device for adjusting the temperature of tank 2；Cabinet 1
Upside be additionally provided with control panel 5, control panel 5 respectively with device for detecting density 3, temperature-adjusting device and stretching device 4
Connection, is easy to manual operation.Wherein temperature-adjusting device is same as the prior art therefore do not repeating hereafter.
As shown in Figure 2,3, stretching device 4 includes the first mounting table 6, the second mounting table 7, screw mandrel 8 and motor 9.First puts
Put the bottom that platform 6 is fixed on the side of tank 2；Second mounting table 7 and the sliding connection of tank 2, and put in the first mounting table 6 and second
Put and three fixing bolts for being used to fix bitumen samples are mounted on platform 7.
As shown in figure 4, being provided with slip hole 10 on the upside of the side inwall of tank 2, it is provided with the upside of opposite side inwall flat
Weigh groove 11, and compensating groove 11 is in same level height with slip hole 10, and extends along the length direction of tank 2.
As shown in Figure 3,4, the side of the second mounting table 7 is caught in compensating groove 11, and opposite side passes from slip hole 10；So as to
Compensating groove 11 and slip hole 10 are respectively that the both sides of the second mounting table 7 provide holding power so that the both sides stress of the second mounting table 7
Equilibrium, sliding are more stable.Screw mandrel 8 is arranged on the side that cabinet 1 closes on slip hole 10, and motor 9 and screw mandrel 8 connect, for driving
Dynamic screw mandrel 8 rotates.Simultaneously ball sleeve 12 is fixedly connected with the side that the second mounting table 7 passes from slip hole 10；Ball sleeve
12 are arranged on screw mandrel 8.Therefore when motor 9 starts, drive screw mandrel 8 is rotated, and the second mounting table 7 is driven along water by ball sleeve 12
Groove 2 slides.
As shown in Fig. 2 being provided with travel switch 13 in the both sides of slip hole 10, travel switch 13 and motor 9 electrically connect, and use
In driving motor 9 to stop operating, the second mounting table 7 skidding distance in tank 2 is limited, anti-water stopping trough 2 collides with inwall.Together
When side wall of the tank 2 above slip hole 10 be provided with the taking along 14 of annular, taking can be used for overlapping cover plate along 14, without using
To tank 2 during tank 2, prevent introduced contaminants from entering tank 2.
As shown in Fig. 2,5, tank 2 sets slot plate 15 between the first mounting table 6 and the second mounting table 7, frid 15
With the first mounting table 6 to being bonded, opposite side is pressed close to being in the phase of the second mounting table 7 of initial detecting position for side.Frid 15
Middle part is provided with dead slot 16, and the upper end of the inwall of dead slot 16 is provided with the shielding angle 17 of arc.Before testing, by bitumen samples
Side is placed on the first mounting table 6, and opposite side is placed on the second mounting table 7；And the bitumen samples of the upside of dead slot 16 are in, due to
Holding power is not affected by, is risen or fallen in self gravitation and tank 2 in the presence of water buoyancy.So as to which dead slot 16 passes through shielding angle
17 and Asphalt Contactor, reduce the consume to bitumen samples.
As shown in Figure 2,6, device for detecting density 3 includes range sensor 18, controller and indicate indicator 19（With reference to figure
1）.Range sensor 18 is fixed on the middle part of dead slot 16, is to increase with detecting distance and increase the infrared sensor of output voltage；
Indicate indicator 19 includes floating indicator lamp 20 and sinking indicator lamp 21；Floating indicator lamp 20 and sinking indicator lamp 21 are arranged at control
On panel 5 processed.Controller includes the floating control circuit 22 for controlling floating indicator lamp 20 and indicated for sinking control
The sinking control circuit 23 of lamp 21.
As shown in fig. 6, floating control circuit 22 includes first comparator OA1, first comparator OA1 in-phase input end connects
The output end of range sensor 18 is connect, inverting input connects the first predeterminated voltage, and output end and floating indicator lamp 20 connect；Cause
This is when spacing between bitumen samples and range sensor 18, more than corresponding to the first predeterminated voltage of setting during distance value, on
Floating indicator lamp 20 will be lighted.Distance value corresponding to the first predeterminated voltage wherein set is put more than range sensor 18 with first
Put the vertical spacing between platform 6.
As shown in fig. 6, the inverting input that sinking control circuit 23 includes the second comparator OA2, the second comparator OA2 connects
The output end of range sensor 18 is connect, in-phase input end connects the second predeterminated voltage, and output end and sinking indicator lamp 21 connect；Cause
This is when spacing between bitumen samples and range sensor 18, less than corresponding to the second predeterminated voltage of setting during distance value, under
Heavy indicator lamp 21 will be lighted.Distance value corresponding to the second predeterminated voltage wherein set is put less than range sensor 18 with first
Put the vertical spacing between platform 6.
As shown in fig. 6, therefore when floating indicator lamp 20 is lighted, then illustrate that the too small needs of the water density in tank 2 add food
Salt.Therefore when sinking indicator lamp 21 is lighted, then illustrating that the water density in tank 2 is too big needs to add alcohol.
Bitumen samples detection process, the second mounting table 7 is moved to the initial detecting position for closing on the first mounting table 6, and
Tank 2 is adjusted to constant detection temperature.The both sides of bitumen samples are separately fixed at into the first mounting table 6 and second again to place
On platform 7.Period judges whether the density of water in tank 2 is suitable by observing floating indicator lamp 20 and sinking indicator lamp 21, and
Salt is added when improper or alcohol is adjusted.Motor 9, it is that screw mandrel 8 drives the second mounting table 7 to enter after regulation
The stable at the uniform velocity sliding of row；Until there is bitumen samples disconnection, then stop motor 9 and recorded.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, it is all in this practicality
Within new design concept, any modification, equivalent substitution and improvements made etc., protection of the present utility model should be included in
Within the scope of.
Claims (10)
1. a kind of pitch ductility analyzer, including cabinet (1), the tank (2) that is arranged in cabinet (1) and it is arranged at tank
(2) it is used for the stretching device for stretching bitumen samples in, it is characterised in that：The stretching device includes to be put for bitumen samples side
The first mounting table (6) for putting and the second mounting table (7) placed for bitumen samples opposite side, first mounting table (6) and the
Dead slot (16) is provided between two mounting tables (7)；Density instruction device, the density instruction dress are provided with the cabinet (1)
Put including：It is arranged in dead slot (16) and is used to detect bitumen samples and dead slot (16) spacing and exports the Distance-sensing of distance signal
Device (18), the indicate indicator (19) being arranged on the upside of cabinet (1) and to receive distance signal and according to distance signal to instruction
Part (19) sends electric signal, drives the controller of indicate indicator (19) instruction bitumen samples sinking or floating state.
2. pitch ductility analyzer according to claim 1, it is characterised in that：The range sensor (18) is arranged at
The middle part of dead slot (16).
3. pitch ductility analyzer according to claim 1, it is characterised in that：The upper end of the inwall of the dead slot (16)
It is provided with the shielding angle (17) of arc.
4. pitch ductility analyzer according to claim 1, it is characterised in that：The indicate indicator (19) includes floating
Indicator lamp (20) and sinking indicator lamp (21).
5. pitch ductility analyzer according to claim 4, it is characterised in that：The controller includes：
Floating control circuit (22), including first comparator, for when distance signal is higher than the first predeterminated voltage, connecting and floating
Indicator lamp (20)；
Sinking control circuit (23), including the second comparator, for when distance signal is less than the second predeterminated voltage, connecting
Indicator lamp (21).
6. pitch ductility analyzer according to claim 1, it is characterised in that：The stretching device also includes being arranged at
Tank (2) side and be connected to the second mounting table (7) be used for drive the second mounting table (7) slide along tank (2) length direction
Drive component.
7. pitch ductility analyzer according to claim 6, it is characterised in that：The drive component includes screw mandrel (8)
The motor (9) rotated with drive screw (8), second mounting table (7) are fixedly connected with the ball sleeve for being installed on screw mandrel (8)
(12), it is provided with the sliding passed through for the second mounting table (7) on the upside of the side wall for closing on screw mandrel (8) side of the tank (2)
Hole (10).
8. pitch ductility analyzer according to claim 7, it is characterised in that：The tank (2) is away from slip hole
(10) offered on the upside of the side wall of side with slip hole (10) same level height and for the balance of the second mounting table (7) clamping
Groove (11).
9. pitch ductility analyzer according to claim 7, it is characterised in that：The both sides of the slip hole (10) are set
Have and be electrically connected to the travel switch (13) that motor (9) is used to drive motor (9) to stall.
10. pitch ductility analyzer according to claim 1, it is characterised in that：Set on the upside of tank (2) inwall
It is equipped with and takes along (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866508.9U CN207197962U (en) | 2017-07-17 | 2017-07-17 | Pitch ductility analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866508.9U CN207197962U (en) | 2017-07-17 | 2017-07-17 | Pitch ductility analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197962U true CN207197962U (en) | 2018-04-06 |
Family
ID=61784862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720866508.9U Active CN207197962U (en) | 2017-07-17 | 2017-07-17 | Pitch ductility analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580334A (en) * | 2018-12-24 | 2019-04-05 | 深圳市恒义建筑技术有限公司 | A kind of pitch ductility analyzer and its application method |
-
2017
- 2017-07-17 CN CN201720866508.9U patent/CN207197962U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580334A (en) * | 2018-12-24 | 2019-04-05 | 深圳市恒义建筑技术有限公司 | A kind of pitch ductility analyzer and its application method |
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