CN209432657U - A kind of automatic bitumen needle forcemeter - Google Patents
A kind of automatic bitumen needle forcemeter Download PDFInfo
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- CN209432657U CN209432657U CN201822139285.3U CN201822139285U CN209432657U CN 209432657 U CN209432657 U CN 209432657U CN 201822139285 U CN201822139285 U CN 201822139285U CN 209432657 U CN209432657 U CN 209432657U
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- needle
- vertical bar
- bar bracket
- connecting rod
- operating platform
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Abstract
A kind of automatic bitumen needle forcemeter provided by the utility model, including workbench, transfer case, the first vertical bar bracket, the second vertical bar bracket, controller, overarm brace, carriage, electro-optical distance measurement module, needle connecting rod, standard needle, thermostatic water bath, temperature control device and operating platform, wherein, operating platform is connect with controller, carriage, electro-optical distance measurement module and temperature control device respectively, and electro-optical distance measurement module is for acquiring the deep degree that standard needle gos deep into asphalt test piece；Temperature control device is used to control the water temperature of thermostatic water bath；Solve instrument existing in the prior art be difficult to realize to move horizontally with moving in rotation, be precisely controlled needle point and specimen surface contact position, water bath with thermostatic control condition, caused by measurement result inaccuracy problem.
Description
Technical field
The utility model belongs to technical field of asphalt detection, is related to a kind of automatic bitumen needle forcemeter.
Background technique
Bitumen needle forcemeter be measure needle penetration important instrument, needle penetration be asphalt quality detection main indicator it
One.However traditional bitumen needle forcemeter can only realize longitudinal movement, its motion profile of considerable restraint, after testing a needle penetration
Mobile sample mould is needed to carry out second, third secondary test, test process is cumbersome, takes a long time；Secondly, standard needle and pitch try
Accurately controlling for sample surface touch position is the key factor for influencing test result accuracy, and traditional bitumen needle forcemeter is main
By technical staff's subjective visual inspection, for being unfamiliar with the technical staff of test operation, it is difficult to accurately control needle point and specimen surface
Position；Finally, the bath temperature of traditional experiment process, by heating water and cold water, temperature control is too rough.
Summary of the invention
The purpose of this utility model is to provide a kind of automatic bitumen needle forcemeters, solve above-mentioned technical problem.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of automatic bitumen needle forcemeter provided by the utility model, including workbench, transfer case, the first vertical bar bracket,
Second vertical bar bracket, controller, overarm brace, carriage, electro-optical distance measurement module, needle connecting rod, standard needle, thermostatic water bath, temperature
Control device and operating platform, wherein operating platform connects with controller, carriage, electro-optical distance measurement module and temperature control device respectively
It connects, electro-optical distance measurement module is for acquiring the deep degree that standard needle gos deep into asphalt test piece；Temperature control device is for controlling thermostatic water bath
Water temperature；First vertical bar bracket is arranged on workbench, and the free end of the first vertical bar bracket is connected with the second vertical bar bracket, and with second
The telescopic connection of vertical bar bracket；The free end connecting cross beam bracket of second vertical bar bracket；Controller control connection transfer case, transfer
There are two output shaft, one of output shaft is connect with the first vertical bar bracket for case setting, drives the first vertical bar holder pivots；It is another
A output shaft is connect with the second vertical bar bracket, and the second vertical bar bracket is driven to move up and down along the axial direction of the first vertical bar bracket；
One end of carriage is mounted on overarm brace, and can be moved back and forth along overarm brace；The other end connects needle
The free end of connecting rod, needle connecting rod connects standard needle；
Thermostatic water bath is installed on the workbench, and is placed in the lower section of standard needle；Temperature control device is mounted on the bottom of thermostatic water bath
Portion.
Preferably, temperature control device includes heating system, water pump and temperature sensor, wherein heating system, water pump and temperature
Sensor is arranged at the bottom of thermostatic water bath, and connect with operating platform；Temperature sensor is for acquiring thermostatic water bath
Water temperature, and collected data are transferred to operating platform, operating platform is according to the information control heating system and water received
The start and stop of pump.
Preferably, carriage includes sliding block, connecting rod and stepper motor, wherein and sliding block is mounted on overarm brace, and
It can move back and forth along overarm brace；The lower end of sliding block connects connecting rod, and the free end of connecting rod connects stepper motor, stepping electricity
The output axis connection needle connecting rod of machine.
Preferably, cantilever is provided between carriage and needle connecting rod, cantilever is cylindrical structure, and coaxial with needle connecting rod
Arrangement.
Preferably, electro-optical distance measurement module includes infrared transmitter, displacement sensor and processor, wherein infrared transmitter
It, will be data information transfer to processor for the distance between measurement standard needle and asphalt test piece surface；Processor will receive
To data be transferred on operating platform, operating platform according to receive information control standard needle movement；Displacement sensor
Number is read for acquiring needle penetration when standard needle gos deep into asphalt test piece, and collected data information transfer to operating platform
According to.
Preferably, controller is C51 type single-chip microcontroller.
Compared with prior art, the beneficial effects of the utility model are:
The utility model discloses a kind of automatic bitumen needle forcemeter, by workbench upper vertical bar bracket and overarm brace,
And high-precision oil pump, controller, sliding block and stepper motor on bracket, realization moves horizontally and moving in rotation；Simultaneously outstanding
Electro-optical distance measurement module is installed on arm, infrared transmitter and displacement sensor are installed in electro-optical distance measurement module, cantilever lower end connects
Needle connecting rod is connect, needle connecting rod lower end is equipped with the mode of standard needle, and realization is precisely controlled needle point and specimen surface contact position；Finally
By being mounted with heating system, water pump and the thermostatic water bath of temperature sensor, realize that test temperature is precisely controlled, final solution is surveyed
The problem of result inaccuracy is measured, test accuracy is improved, reduces error.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the arrangement schematic diagram of the utility model infrared transmitter and displacement sensor；
Wherein, 1, workbench 2, transfer case 3, the first vertical bar bracket 4, the second vertical bar bracket 5, controller 6, crossbeam
Bracket 7, sliding block 8, connecting rod 9, stepper motor 10, cantilever 11, electro-optical distance measurement module 12, infrared transmitter 13, needle connect
Bar 14, standard needle 15, displacement sensor 16, thermostatic water bath 17, heating system 18, water pump 19, temperature sensor 20,
Operating platform.
Specific embodiment
With reference to the accompanying drawing, the utility model is further described.
As depicted in figs. 1 and 2, a kind of automatic bitumen needle forcemeter provided by the utility model, including workbench 1, transfer
Case 2, the second vertical bar bracket 4, controller 5, overarm brace 6, sliding block 7, connecting rod 8, stepper motor 9, hangs first vertical bar bracket 3
Arm 10, infrared transmitter 12, needle connecting rod 13, standard needle 14, displacement sensor 15, thermostatic water bath 16, adds electro-optical distance measurement module 11
Hot systems 17, water pump 18, temperature sensor 19 and operating platform 20, wherein the first vertical bar bracket 3 is arranged on workbench 1, and first
The free end of vertical bar bracket 3 and the second vertical bar bracket 4 connection, and with the telescopic connection of the second vertical bar bracket 4.Second vertical bar bracket
4 free end connecting cross beam bracket 6, controller 5 is mounted on overarm brace 6, the control connection transfer case 2 of controller 5, transfer case
There are two output shaft, one of output shaft is connect with the first vertical bar bracket 3 for 2 settings, drives the rotation of the first vertical bar bracket 3；Separately
One output shaft is connect with the second vertical bar bracket 4, drives the second vertical bar bracket 4 above and below the axial direction of the first vertical bar bracket 3
It is mobile.
Sliding block 7 is mounted on overarm brace 6, and can be moved back and forth along overarm brace 6.
The lower end of sliding block 7 connects connecting rod 8, and the free end of connecting rod 8 connects stepper motor 9, the output shaft of stepper motor 9
The lower end of connecting cantilever 10, the cantilever 10 connects needle connecting rod 13, and needle connecting rod 13 and cantilever 10 are coaxially arranged；Needle connecting rod 13 from
By end connection standard needle 14.
9 attended operation platform 20 of stepper motor is realized the movement of sliding block 7 by operating platform 20, and then drives standard needle
14 movement.
Electro-optical distance measurement module 11 is fixed on cantilever 10, and electro-optical distance measurement module 11 is for acquiring measurement point and asphalt test piece table
The distance in face, and in collected data information transfer to operating platform 20.
Electro-optical distance measurement module 11 includes three infrared transmitters 12, displacement sensors 15 and a processors, wherein infrared
Transmitter 12, will be data information transfer to processor for measuring current location at a distance from asphalt test piece surface；Processor
Receive three groups of data are averaged processing, binding fruit is input on operating platform 20 later, and then determine standard needle 15 with
The distance between asphalt test piece surface.
Displacement sensor 15 is used to acquire standard needle 14 and gos deep into distance inside asphalt test piece, and collected data biography
It is defeated on operating platform 20, and then obtain the needle penetration of pitch.
Asphalt test piece is placed in the inner cavity of thermostatic water bath 16, and thermostatic water bath 16 is fixed on workbench 1, and is placed in standard
The lower section of needle 14.
The bottom of thermostatic water bath 16 is arranged in heating system 17；For being heated to thermostatic water bath 16.
The bottom of thermostatic water bath 16 is arranged in water pump 18, and water pump 18 into thermostatic water bath 16 for filling the water.
Temperature sensor 19 is also set up on thermostatic water bath 16, for acquiring the temperature of thermostatic water bath 16, and collected
Information is transferred on operating platform 20, and operating platform 20 is according to the data information received and then controls heating system and water pump 18
Start and stop.
The utility model use process is as follows:
When carrying out asphalt penetration test, after preparing according to code requirement and conserve sample, sample-containing dish is put into constant temperature
In sink 16.Heating system 17 is opened, test temperature is made to meet test requirements document.Referred to by operating platform 20 to the sending of controller 5
It enables, operating transfer case 2 by controller 5 rotates the first vertical bar bracket 3, selects a suitable position.
Controlling stepper motor 9 by operating platform 20 keeps sliding block 7 mobile, determines the track that standard needle 14 vertically moves.It is logical
It crosses infrared transmitter 12 and emits infrared ray, electro-optical distance measurement module 11 handles signal, and is transmitted to operating platform 20, in operating platform
20 can be read distance of 14 needle point of standard needle apart from bitumen samples surface.
It is issued and is instructed to controller 5 by operating platform 20, operating transfer case 2 by controller 5 keeps overarm brace 6 downward
It is mobile, reach the needle point of standard needle 14 accurately and the contact position on bitumen samples surface.
Then timing starts, and standard needle 14 starts to stop after 5s inside injection bitumen samples, will by displacement sensor 15
The depth of penetration of standard needle 14 is transmitted to operating platform 20, and needle penetration can be read by operating platform 20.Replacement standard needle 14 is chosen
New position repeatedly measures and averages, and finally obtains Asphalt Penetration.
Controller 5 is C51 type single-chip microcontroller；Transfer case includes two groups of high-precision hydraulic oil pumps.
Claims (6)
1. a kind of automatic bitumen needle forcemeter, which is characterized in that including workbench (1), transfer case (2), the first vertical bar bracket
(3), the second vertical bar bracket (4), controller (5), overarm brace (6), carriage, electro-optical distance measurement module (11), needle connecting rod
(13), standard needle (14), thermostatic water bath (16), temperature control device and operating platform (20), wherein operating platform (20) respectively with control
Device (5) processed, carriage, electro-optical distance measurement module (11) are connected with temperature control device, and electro-optical distance measurement module (11) is for acquiring standard
Needle (14) gos deep into the deep degree of asphalt test piece；Temperature control device is used to control the water temperature of thermostatic water bath (16)；First vertical bar bracket (3)
Be arranged workbench (1) on, the free end of the first vertical bar bracket (3) and the second vertical bar bracket (4) connection, and with the second vertical bar bracket
(4) telescopic connection；The free end connecting cross beam bracket (6) of second vertical bar bracket (4)；Controller (5) control connection transfer case
(2), there are two output shaft, one of output shaft is connect with the first vertical bar bracket (3) for transfer case (2) setting, drives first to erect
Bar bracket (3) rotation；Another output shaft is connect with the second vertical bar bracket (4), drives the second vertical bar bracket (4) along the first vertical bar
The axial direction of bracket (3) moves up and down；
One end of carriage is mounted on overarm brace (6), and can be moved back and forth along overarm brace (6)；Other end connection
The free end of needle connecting rod (13), needle connecting rod (13) connects standard needle (14)；
Thermostatic water bath (16) is mounted on workbench (1), and is placed in the lower section of standard needle (14)；Temperature control device is mounted on thermostatted water
The bottom of slot (16).
2. a kind of automatic bitumen needle forcemeter according to claim 1, which is characterized in that temperature control device includes heating system
(17), water pump (18) and temperature sensor (19), wherein heating system (17), water pump (18) and temperature sensor (19) are all provided with
The bottom in thermostatic water bath (16) is set, and is connect with operating platform (20)；Temperature sensor (19) is for acquiring thermostatic water bath
(16) water temperature, and collected data are transferred to operating platform, operating platform (20) adds according to the information control received
The start and stop of hot systems (17) and water pump (18).
3. a kind of automatic bitumen needle forcemeter according to claim 1, which is characterized in that carriage include sliding block (7),
Connecting rod (8) and stepper motor (9), wherein sliding block (7) is mounted on overarm brace (6), and can be come along overarm brace (6)
Return is dynamic；The lower end of sliding block (7) connects connecting rod (8), and the free end of connecting rod (8) connects stepper motor (9), stepper motor
(9) output axis connection needle connecting rod (13).
4. a kind of automatic bitumen needle forcemeter according to claim 1, which is characterized in that carriage and needle connecting rod (13)
Between be provided with cantilever (10), cantilever (10) is cylindrical structure, and coaxially arranged with needle connecting rod (13).
5. a kind of automatic bitumen needle forcemeter according to claim 1, which is characterized in that electro-optical distance measurement module (11) includes
Infrared transmitter (12), displacement sensor (15) and processor, wherein infrared transmitter (12) for measurement standard needle (14) with
The distance between asphalt test piece surface, will be data information transfer to processor；The data received are transferred to behaviour by processor
Make on platform (20), operating platform controls the movement of standard needle (14) according to the information received；Displacement sensor (15) is used for
Acquisition standard needle (14) gos deep into needle penetration when asphalt test piece, and collected data information transfer to operating platform is read number
According to.
6. a kind of automatic bitumen needle forcemeter according to claim 1, which is characterized in that controller (5) is C51 type monolithic
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822139285.3U CN209432657U (en) | 2018-12-19 | 2018-12-19 | A kind of automatic bitumen needle forcemeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822139285.3U CN209432657U (en) | 2018-12-19 | 2018-12-19 | A kind of automatic bitumen needle forcemeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209432657U true CN209432657U (en) | 2019-09-24 |
Family
ID=67972346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822139285.3U Expired - Fee Related CN209432657U (en) | 2018-12-19 | 2018-12-19 | A kind of automatic bitumen needle forcemeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209432657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067505A (en) * | 2020-09-23 | 2020-12-11 | 山东路达试验仪器有限公司 | Automatic control method of asphalt penetration tester based on image recognition |
| CN112903532A (en) * | 2021-03-13 | 2021-06-04 | 杭州市交通工程试验检测中心有限公司 | Pitch penetration tester |
-
2018
- 2018-12-19 CN CN201822139285.3U patent/CN209432657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067505A (en) * | 2020-09-23 | 2020-12-11 | 山东路达试验仪器有限公司 | Automatic control method of asphalt penetration tester based on image recognition |
| CN112903532A (en) * | 2021-03-13 | 2021-06-04 | 杭州市交通工程试验检测中心有限公司 | Pitch penetration tester |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 Termination date: 20201219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |