CN208580011U - A kind of full-automatic bitumen needle forcemeter - Google Patents
A kind of full-automatic bitumen needle forcemeter Download PDFInfo
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- CN208580011U CN208580011U CN201821347624.0U CN201821347624U CN208580011U CN 208580011 U CN208580011 U CN 208580011U CN 201821347624 U CN201821347624 U CN 201821347624U CN 208580011 U CN208580011 U CN 208580011U
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Abstract
The utility model discloses a kind of full-automatic bitumen needle forcemeters, including penetrometer ontology, the penetrometer ontology includes a standard needle and glass dish, sample-containing dish container below standard needle, the standard needle is displaced to sample container to be arranged, it further include stress sensing device, the stress sensing device can incude stress variation when sample liquid level in standard needle contact container, and the stress sensing device is arranged on the standard needle connecting rod of penetrometer ontology or the lower section of sample container is arranged in contact.The utility model provides a kind of full-automatic bitumen needle forcemeter, can accurately determine the initial position that needle point is contacted with specimen surface, improves test accuracy.
Description
Technical field
The utility model belongs to penetrometer apparatus field, in particular to a kind of full-automatic bitumen needle forcemeter.
Background technique
Needle penetration is to indicate the soft or hard degree of pitch and consistency, the ability for resisting failure by shear, and reflection drips under certain condition
The index of green relative viscosity.Penetration test is a kind of for measuring the straightforward procedure of bituminous cements consistency.China is related
Code requirement carries out the label classification of pitch using penetration index.Asphalt label is to delimit model according to the size of Asphalt Penetration
It encloses.The penetration index of pitch is the temperature sensitivity index of asphalt binder, the degree that reflection needle penetration changes with temperature,
It is calculated by the needle penetration of different temperatures by prescriptive procedure.Penetration index can be used to the colloid knot to judge pitch
Structure.
Accuracy of the contact position of needle point and specimen surface to testing result when current situation is penetrometer test
Have a great impact, it is asking for urgent need to resolve that how accurately to position contact of the needle point with specimen surface, which be asphalt penetration test,
Topic.At present test penetration index equipment utilization equipment on reflective mirror or optically focused bulb reflective observing, so as to observation needle point with
Specimen surface contacts situation, and needle point contacts specimen surface, artificially observed with the reflective mirror of appropriate location and light reflection, make needle point
Just contacted with specimen surface, but in practical operation, process is cumbersome and there are drawbacks such as human errors, the position of needle point it is accurate
Property directly affects test result.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of full-automatic pitch needle
In-degree instrument can accurately determine the initial position that needle point is contacted with specimen surface, improve efficiency and test accuracy.
Technical solution: to achieve the above object, the technical solution of the utility model is as follows:
A kind of full-automatic bitumen needle forcemeter, including penetrometer ontology, the penetrometer ontology include standard needle and
Sample container below standard needle, it further includes stress sensing device that the standard needle is displaced to sample container, which to be arranged, described
Stress sensing device can incude stress variation when liquid level in standard needle contact container.
Further, the stress sensing device is arranged on the standard needle connecting rod of penetrometer ontology or contacts setting and exists
The lower section of sample container.
Further, the stress sensing device is arranged on the standard needle connecting rod of penetrometer ontology, the standard needle
Connecting rod includes upper body of rod and lower body of rod, and in link track, the lower body of rod connect setting with standard needle for the upper body of rod sliding,
The stress sensing device is between upper body of rod and lower body of rod, and the lower body of rod is connected to upper boom by stress sensing device
The bottom end of body.
Further, the stress sensing device is arranged in the fixing seat of penetrometer ontology, and the stress senses
Device is located at the lower section of sample container, and the bottom of the sample container covers in stress sensing device.
It further, further include pallet, the bottom of the pallet is provided with support shaft, and the support shaft passes through penetrometer
The fixing seat wall body of ontology and the inside for stretching to fixing seat, roof is provided with support plate, the branch on the fixing seat inner cavity
Support is provided with stress sensing device on fagging, and the support shaft is connected in stress sensing device.
Further, the support plate be U-shaped board body shape structure, and two free ends of the support plate respectively perpendicular to
Extend outwardly on the direction of the side wall of support plate and be provided with flange, perforation offers fixation hole on the flange.
Further, the stress sensing device is force snesor or displacement sensor.
It further, further include automatic hoisting mechanism, the displacement component of the penetrometer ontology passes through escalator
The setting of structure up and down displacements；The automatic hoisting mechanism includes screw body, motor and supporting cantilever, and the screw body is vertical
Setting, the motor are arranged inside fixing seat, and the screw rod of the screw body is arranged by motor driven, the screw body
Sliding block on be provided with supporting cantilever, support is provided with displacement component in the supporting cantilever.
The utility model has the advantages that being moved to the cold primer-oil upper surface in contact sink downwards in the standard needle in the utility model
In the state of, by opposition, which is acted in stress sensing device for the standard needle or sample container,
The variation of power when standard needle is liquid level contact is incuded by stress sensing device, and determine standard needle and specimen surface just
Beginning position, accuracy are very high；By stress sensing device, reduces and observed needle using the light reflection mirror of equipment or spotlight originally
The test error of in-degree standard needle and the contact condition of sample top surface, improves the accuracy of test, also substantially increases test
Efficiency.
Detailed description of the invention
Attached drawing 1 is the integrally-built main view of the utility model；
Attached drawing 2 be the utility model integrally-built A-A to half sectional view；
Attached drawing 3 is the enlarged diagram of the local A of the utility model；
Attached drawing 4 is the enlarged diagram of the local B of the utility model；
Attached drawing 5 is that the structural schematic diagram in fixing seat is arranged in the displacement measuring device of the utility model；
Attached drawing 6 is that the structural schematic diagram on standard needle connecting rod is arranged in the displacement measuring device of the utility model；
The part name respectively identified in attached drawing is as follows: 1-displacement meter；2-link tracks；3-standard needle connecting rods；4-marks
Quasi- needle；5-sample containers；6-pallets；7-stress sensing devices；8-motors；9-screw rods；10-sliding blocks；11-supports are outstanding
Arm；12-displacement meter fixed frames；13-electronic switches；15-displacement components；17-support shafts；18-support plates；19-lockings
Bolt；21-fixing seats；23-through-holes；24-flanges；28-columns；30-upper connecting rods；31-lower links；51-sample-containing dishes hold
Device；52-brackets；53-pillars.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of full-automatic bitumen needle forcemeter, including penetrometer ontology, the needle penetration
Instrument ontology includes standard needle 4 and the sample container 5 positioned at 4 lower section of standard needle, and sample container 5 is the Sheng sample for containing asphalt sample
Ware container 51, the standard needle 4 is displaced to sample container 5 to be arranged, and pitch is molten in the needle point and sample container to adjust standard needle 4
The initial position of liquid liquid level further includes stress sensing device 7, which is that stress measurement device is either displaced
Measuring device, the stress sensing device can incude stress variation when standard needle 4 contacts liquid level in container, the stress sensing
Device 7 is arranged on the standard needle connecting rod 3 of penetrometer ontology or the lower section of sample container is arranged in contact.Since pitch has
Certain viscosity, in the state that the standard needle 4 is moved to downwards the cold primer-oil upper surface in contact sample container 5, institute
Standard needle 4 and standard needle connecting rod 3 or sample container 5 are stated by opposition, stress sensing device 7 is located at the opposition
Extending direction on, and the opposition acts in stress sensing device 7.Contact condition is incuded by stress sensing device
Under stress variation, and determine the initial position of standard needle and specimen surface, accuracy is very high；By stress sensing device,
It reduces and utilizes the test of the light reflection mirror of equipment or spotlight observation needle penetration standard needle and the contact condition of sample top surface originally
Error, improves the accuracy of test, and reduces the tedious steps frequently adjusted, substantially increases the efficiency of test.
One of embodiment are as follows: as shown in attached drawing 2, attached drawing 4 and attached drawing 6, the setting of stress sensing device 7 enters in needle
It spends on the standard needle connecting rod 3 of instrument ontology, the standard needle connecting rod 3 includes upper body of rod 30 and lower body of rod 31, and the upper body of rod 30 is sliding
Move in link track, the lower body of rod 31 connect setting with standard needle 4, the stress sensing device 7 be located at upper body of rod 30 with
Between lower body of rod 31, and the lower body of rod 31 is connected to the bottom end of upper body of rod 30 by stress sensing device 7, by by stress sense
It surveys device to be arranged on connecting rod, namely in the rectilinear direction of standard needle stress, it can be quickly to the small effect of generation
Power is sensed, and the stress sensing device can be the miniature pull pressure sensor of LH-S05 or displacement sensor, dynamic response
Speed is fast, has superior linear and repeatability, the both ends of the force snesor include thread spindle 71, the bottom end of upper connecting rod 30
It is recessed with screw thread inside groove with the top of lower link 31, the both ends of the force snesor are threaded in upper connecting rod and lower link respectively
On, when contacting when the downward adjustment of displacement of standard needle 4 to the liquid level with pitch, standard needle is generated reaction force, stress sense by resistance
Answer device 7 that can sense the reaction force of generation, force snesor generates signal intensity, so that the standard pin position of can determine reaches
Initial position.
Another embodiment are as follows: as shown in Fig. 2, attached drawing 3 and attached drawing 5, the stress sensing device 7 is arranged in penetrometer
In the fixing seat 21 of ontology, it is the shell structure of internal cavity, and described which, which is the base portion of penetrometer,
Stress sensing device 7 is located at the lower section of sample container 5, and the bottom of the sample container 5 covers in stress sensing device 7.Also
Including pallet 6, the bottom of the pallet 6 is provided with support shaft 17, and the support shaft 17 passes through the fixing seat of penetrometer ontology
Wall body and the inside of fixing seat 21 is stretched on 21, correspondence offers the through-hole passed through for support shaft on the roof of the fixing seat
23, the upper top surface setting of the 6 gap fixing seat 21 of pallet, and pallet is plate structure, supports sample container 5, the fixation
Roof is provided with support plate 18 on 21 inner cavities of seat, and support is provided with stress sensing device 7, the support shaft in the support plate 18
17 are connected in stress sensing device 7.The stress sensing device is force snesor or displacement sensor, and force snesor can be selected
Dynamic force snesor KD series, it is rapid to the response of power, when the downward adjustment of displacement of standard needle 4 is extremely contacted with the liquid level of pitch
When, for sample container 5 by certain pressure, stress induction device 7 can sense the pressure that sample container is subject to, and force snesor generates
Signal intensity, so that the standard pin position of can determine has reached initial position.
Bracket 52 is provided with below planchet container, bracket 52 vacantly erects planchet container, the bottom of bracket 52
Portion includes the pillar 53 being fixed in glass dish inner bottom wall, and 53 supporting support 52 of pillar and glass dish bottom are in one
Fixed spacing guarantees that planchet bath temperature is uniform.
The support plate 18 is U-shaped board body shape structure, and two free ends of the support plate 18 are respectively perpendicular to support
Extend outwardly on the direction of the side wall of plate 18 and be provided with flange 24, perforation offers fixation hole on the flange 24, passes through locking
Bolt 19 passes through fixation hole and locks support plate on the roof of fixing seat, and mounting means is simple, occupies little space.
It as shown in Fig. 2, further include automatic hoisting mechanism, the displacement component 15 of the penetrometer ontology by rising automatically
The setting of descending mechanism up and down displacements；The automatic hoisting mechanism includes screw body, motor 8 and supporting cantilever 11, the screw rod machine
Structure is vertically arranged, and the motor 8 is arranged inside fixing seat 21, and the screw rod of the screw body passes through the driving setting of motor 8, institute
It states and is provided with supporting cantilever 11 on the sliding block of screw body, support is provided with displacement component 15 in the supporting cantilever 11, the position
The fixed rack structure that component 15 is the displacement meter and standard needle on penetrometer is moved, screw body is driven by motor 8, makes position
Move component 15 follow supporting cantilever up and down straight-line displacement, displacement accuracy it is higher, it can be achieved that slight distance adjustment of displacement, it is ensured that
The bottom end of standard needle 4 and the relative position of pitch liquid level are accurate as far as possible, improve the accurate adjustment of standard needle initial position, mention
High test accuracy.
Utility model works mode are as follows: starting motor work makes displacement component slowly to bottom offset, standard needle gradually leans on
Nearly pitch liquid level, when standard needle and asphaltic liquid face contact, cold primer-oil generates certain resistance, force snesor sense to standard needle
Signal intensity is generated after the active force should be arrived, while controlling motor stalls, the initial position of standard needle, which adjusts, to be completed.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of full-automatic bitumen needle forcemeter, including penetrometer ontology, the penetrometer ontology include standard needle (4) and
Sample container (5) below standard needle (4), the standard needle (4) is displaced to sample container (5) to be arranged, it is characterised in that:
It further include stress sensing device, the stress sensing device can incude stress variation when liquid level in standard needle (4) contact container.
2. a kind of full-automatic bitumen needle forcemeter according to claim 1, it is characterised in that: the stress sensing device
(7) it is arranged on the standard needle connecting rod (3) of penetrometer ontology or contact is arranged in the lower section of sample container (5).
3. a kind of full-automatic bitumen needle forcemeter according to claim 2, it is characterised in that: the standard needle connecting rod (3)
Including upper body of rod (30) and lower body of rod (31), upper body of rod (30) sliding is in link track, the lower body of rod (31) and mark
Quasi- needle (4) connection setting, the stress sensing device (7) is located between upper body of rod (30) and lower body of rod (31), and the lower beam
Body (31) is connected to the bottom end of upper body of rod (30) by stress sensing device (7).
4. a kind of full-automatic bitumen needle forcemeter according to claim 2, it is characterised in that: the stress sensing device
(7) it is arranged in the fixing seat (21) of penetrometer ontology, and the stress sensing device (7) is located under sample container (5)
Side, the bottom of the sample container (5) covers on stress sensing device (7).
5. a kind of full-automatic bitumen needle forcemeter according to claim 4, it is characterised in that: it further include pallet (6), it is described
The bottom of pallet (6) is provided with support shaft (17), and the support shaft (17) passes through fixing seat (21) wall body of penetrometer ontology
And the inside of fixing seat (21) is stretched to, roof is provided with support plate (18), the support plate on fixing seat (21) inner cavity
(18) support is provided with stress sensing device (7) on, and the support shaft (17) is connected on stress sensing device (7).
6. a kind of full-automatic bitumen needle forcemeter according to claim 5, it is characterised in that: the support plate (18) is U
Template body shape structure, and two free ends of the support plate (18) respectively on the direction of the side wall perpendicular to support plate (18) to
Outer extension is provided with flange (24), and perforation offers fixation hole on the flange (24).
7. a kind of full-automatic bitumen needle forcemeter according to claim 3 or 4, it is characterised in that: the stress sensing dress
It is set to force snesor or displacement sensor.
8. a kind of full-automatic bitumen needle forcemeter according to claim 1, it is characterised in that: further include escalator
The displacement component (15) of structure, the penetrometer ontology is arranged by automatic hoisting mechanism up and down displacements；The escalator
Structure includes screw body, motor (8) and supporting cantilever (11), and the screw body is vertically arranged, and motor (8) setting is solid
Reservation (21) is internal, and the screw rod of the screw body is arranged by motor (8) driving, is provided on the sliding block of the screw body
Supporting cantilever (11), support is provided with displacement component (15) on the supporting cantilever (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821347624.0U CN208580011U (en) | 2018-08-21 | 2018-08-21 | A kind of full-automatic bitumen needle forcemeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821347624.0U CN208580011U (en) | 2018-08-21 | 2018-08-21 | A kind of full-automatic bitumen needle forcemeter |
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| Publication Number | Publication Date |
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| CN208580011U true CN208580011U (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821347624.0U Active CN208580011U (en) | 2018-08-21 | 2018-08-21 | A kind of full-automatic bitumen needle forcemeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082261A (en) * | 2019-04-16 | 2019-08-02 | 交通运输部公路科学研究所 | The penetrometer of a kind of auto positioning and its to needle method |
-
2018
- 2018-08-21 CN CN201821347624.0U patent/CN208580011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082261A (en) * | 2019-04-16 | 2019-08-02 | 交通运输部公路科学研究所 | The penetrometer of a kind of auto positioning and its to needle method |
| CN110082261B (en) * | 2019-04-16 | 2024-05-10 | 交通运输部公路科学研究所 | Automatic needle penetration instrument and needle alignment method thereof |
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