CN106289610B - A kind of constant volume quantitatively expands force checking device - Google Patents
A kind of constant volume quantitatively expands force checking device Download PDFInfo
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- CN106289610B CN106289610B CN201610640536.9A CN201610640536A CN106289610B CN 106289610 B CN106289610 B CN 106289610B CN 201610640536 A CN201610640536 A CN 201610640536A CN 106289610 B CN106289610 B CN 106289610B
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- container
- plunger bar
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- motor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of constant volume quantitatively to expand force checking device and detection method, it is characterized in that：On in horizontally disposed detection platform, one end is material container, and the other end is motor, the container plunger bar of material container stretches out in the front end of material container, towards motor being longitudinally arranged at one end and along detection platform；Screw nut driving structure is set between motor and piston rod, wherein screw mandrel is by motor-driven rotation, nut is connected firmly in one end of cylinder, pressure sensor is arranged in series between the other end and container plunger bar of cylinder, and as the pressure suffered by pressure sensor detection container piston rod, utilize the lengthwise position of position sensor detection container piston rod.The present invention is used for the quantitative expansive force detection of constant volume of material, can be adapted to the detection of polytropic volume expansive force.
Description
Technical field
The present invention relates to a kind of device and detection method that the quantitative expansive force detection of constant volume is carried out for material.
Background technology
After mass expanded power refers to that material is chemically reacted after closed container mixing, mass expanded is to caused by container
Pressure.Expansion force checking device of the prior art, its sensor are placed in container, and sensor directly connects with tested material
Touch, the problem of this form is primarily present one is the damage for easily causing sensor, second, bringing device to tie up built in sensor
Repair and maintain greatly difficulty.Moreover, structure type of the prior art is immobilized due to volume, if it is desired to pin
Different volumes material is measured, it is necessary to configure the container of respective volume, a detection means can not be adapted to polytropic volume thing
Expect expansive force detection, exist and use upper limitation.
The content of the invention
The present invention is to avoid the deficiency present in above-mentioned prior art, there is provided a kind of constant volume quantitatively expands force checking device
And detection method, to be adapted to the detection of polytropic volume expansive force.
The present invention adopts the following technical scheme that to solve technical problem：
Constant volume of the present invention quantitatively expands being structurally characterized in that for force checking device：On in horizontally disposed detection platform, one
End is arranged as material container, and the other end is arranged as motor, and the container plunger bar of the material container is stretched in the front end of material container
Go out, towards motor being longitudinally arranged at one end and along detection platform；Set between the motor and piston rod by screw mandrel and
The screw nut driving structure that nut is formed, the screw mandrel are driven by motor via reducer and rotated, and the nut is connected firmly in circle
One end of cylinder, pressure sensor is arranged in series between the other end and container plunger bar of the cylinder, utilizes cylinder
Driving container plunger bar vertically moves, and as the pressure suffered by pull pressure sensor detection container piston rod；In the inspection
Survey on platform and be located at the side set location sensor of cylinder, the longitudinal direction of the container plunger bar is detected using position sensor
Position；The afterbody of the material container is provided with material inlet.
The design feature that constant volume of the present invention quantitatively expands force checking device is lain also in：Longitudinal direction is set in the detection platform
Guide rail, and there is sliding block to be slidably matched with longitudinal guide wheel, set a pair of brackets to the cylinder in shape of the both sides to fill the span of a man's arms
Formula fixed clamp, the support are fixedly connected with a slide block, and vertically moving for cylinder is oriented on the longitudinal rail.
The design feature that constant volume of the present invention quantitatively expands force checking device is lain also in：The position sensor is grating scale,
The grating scale is fixedly installed on a side stand and cylinder and support linkage.
Constant volume of the present invention, which quantitatively expands the characteristics of detection method of force checking device, is：
Definition：
S is the cross sectional area of material container content cavity；
V1 is the volume before material chemical reaction expansion；
V2 is the volume after material chemical reaction expansion；
L1 is is under the V1 volume states before chemical reaction expands when material, the extension elongation of container plunger bar, L1=
V1/S；
L2 is is under V2 volume states after chemical reaction expands when material, the extension elongation of container plunger bar, L2=
V2/S：
The detection method is to carry out according to the following procedure：
Step 1：The stretching length for obtaining container plunger bar is calculated according to the volume V1 before the chemical reaction expansion of known material
Spend L1；Container plunger bar is set to stretch out on the position that length is L1 by motor driving, material is drawn into material from material inlet to be held
In device, the filling to material container is completed；
Step 2：The stretching length for obtaining container plunger bar is calculated according to the volume V2 after the chemical reaction expansion of known material
Spend L2；Container plunger bar is made from extension elongation is L1 position by motor driving, stretching length is moved within the time of setting
Spend on the position for L2, the actual displacement amount L22 for obtaining piston rod is detected using grating scale, and there is the actual volume V22 to be：V22
=S × L22；
Step 3：Material container is closed, material is chemically reacted in material container, in the mistake of the chemical reaction
Cheng Zhong, piston rod is maintained on the position that extension elongation is L2 by motor self-locking, gather pressure sensor detection in real time and obtain
The pressure detecting signal obtained, obtain pressure detecting signal and the corresponding relation of time in material chemical reaction process；With described
Pressure detecting signal and the corresponding relation of time characterize expansive force and the corresponding relation of time.
Constant volume of the present invention quantitatively expands the characteristics of detection method of force checking device and lain also in：
In the step 1, under being driven in motor, container plunger bar is stretched out when on the position that length is L1, is utilized
Grating scale detection obtains the actual extension elongation L11 of container plunger bar, and has：V11=S × L11；The material is chemically reacted
Volume V1 before expansion is modified to V11；
In the step 2, under being driven in motor, container plunger bar is stretched out when on the position that length is L2, is utilized
Grating scale detection obtains the actual extension elongation L22 of container plunger bar, and has：V22=S × L22；The material is chemically reacted
Volume V2 after expansion is modified to V22.
Compared with the prior art, the present invention has the beneficial effect that：
1st, the pressure sensor set in detection means of the present invention is located at the outside of material container, is not in contact with material,
It is easy to repair and maintains, service life length.
2nd, set location sensor in the present invention, using the lengthwise position of position sensor detection container piston rod, and then
The Volume Changes for obtaining container in detection process are calculated, it is real so as to easily calculate expansive force of the material under various volumes
Existing precise volumes calculate.
3rd, pressure sensor and grating scale are equipped with the present invention, realize pressure detection and container plunger bar position
Detection, overall structure simple and compact, small volume, detection function is reliable, passes through the detection signal to grating scale and pressure sensor
Analyzing and processing, can conveniently and efficiently obtain testing result.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present invention；
Fig. 2 a are facade structures schematic diagram of the present invention；
Fig. 2 b are planar structure schematic diagram of the present invention；
Label in figure：1 material container, 2 pressure sensors, 3 supports, 4 position sensors, 5 longitudinal rails, 6 cylinders, 7
Nut, 8 screw mandrels, 9 bearing blocks, 10 shaft couplings, 11 reductors, 12 motors, 13 material inlets.
Embodiment
Referring to Fig. 1, Fig. 2 a and Fig. 2 b, the structure type that constant volume quantitatively expands force checking device in the present embodiment is：
On in horizontally disposed detection platform, one end is arranged as material container 1, and the other end is arranged as motor 12, material
The container plunger bar of container 1 stretches out in the front end of material container, towards motor 12 at one end and along longitudinal cloth of detection platform
Put；The screw nut driving structure being made up of screw mandrel 8 and nut 7 is set between motor 12 and piston rod, supported by bearing block 9
Screw mandrel 8 rotation is driven by reductor 11 by motor 12, nut 7 is connected firmly in one end of cylinder 6, in the another of cylinder 3
Pressure sensor 2 is arranged in series between end and container plunger bar, vertically moving for container plunger bar is driven using cylinder 6, and
As the pressure suffered by the detection container piston rod of pull pressure sensor 2；Position is set positioned at the side of cylinder 6 in detection platform
Sensor 4 is put, utilizes the lengthwise position of the detection container piston rod of position sensor 4；The afterbody of material container 1 is provided with material
Entrance 13.
In specific implementation, be arranged in parallel a pair of longitudinal rails 5 in detection platform, and has sliding block to be slided with longitudinal guide wheel 5
Coordinate, setting a pair of brackets 3, in both sides, the fixed clamp in the form of filling the span of a man's arms, support 3 are fixedly connected with a slide block, made to cylinder 6
Vertically moving for cylinder 6 is oriented on longitudinal rail 5, and position sensor 4 is grating scale, and grating scale is fixedly installed on one
Linked on side stand 3 with cylinder 6 and support 3.
The positive and negative rotation of motor 12 passes through reductor 11, shaft coupling 10, screw nut driving structure, cylinder 6 and pressure
Sensor 2, container plunger bar is set to be vertically moved in material container；Cylinder 6 is by support 3 and slider support on guide rail 5；
Grating scale and sliding block and cylinder move the detection for the displacement for realizing container plunger bar together, and pressure sensor is connected on container
Realize that pressure detects between piston rod and cylinder, control unit is set, control unit is used for the rotation of controlled motor, also used
In collection of the control to pressure sensor and the detection signal of grating scale, the quantitative expansive force detection of constant volume is completed.
Definition：S is the cross sectional area of material container content cavity；V1 is the volume before material chemical reaction expansion；V2 is
Volume after material chemical reaction expansion；L1 is is under the V1 volume states before chemical reaction expands when material, container plunger
The extension elongation of bar, L1=V1/S；L2 be when material be in chemical reaction expansion after V2 volume states under, container plunger bar
Extension elongation, L2=V2/S：
The quantitative expansive force detection method of constant volume is carried out according to the following procedure：
Step 1：The stretching length for obtaining container plunger bar is calculated according to the volume V1 before the chemical reaction expansion of known material
Spend L1；Container plunger bar is set to stretch out on the position that length is L1 by motor driving, material is drawn into material from material inlet 13
In container, the filling to material container is completed；
Under being driven in motor, container plunger bar is stretched out when on the position that length is L1, is detected and obtained using grating scale
The actual extension elongation L11 of container plunger bar, and have：V11=S × L11；Volume V1 before material chemical reaction expansion is corrected
For V11；
Step 2：The stretching length for obtaining container plunger bar is calculated according to the volume V2 after the chemical reaction expansion of known material
Spend L2；Container plunger bar is made from extension elongation is L1 position by motor driving, stretching length is moved within the time of setting
Spend on the position for L2, the actual displacement amount L22 for obtaining piston rod is detected using grating scale, and there is the actual volume V22 to be：V22
=S × L22；
Under being driven in motor, container plunger bar is stretched out when on the position that length is L2, is detected and obtained using grating scale
The actual extension elongation L22 of container plunger bar, and have：V22=S × L22；Volume V2 after material chemical reaction expansion is corrected
For V22.
Step 3：Material container is closed, material is chemically reacted in material container, during chemical reaction,
Piston rod is maintained on the position that extension elongation is L2 by motor self-locking, gather what the detection of pressure sensor 2 obtained in real time
Pressure detecting signal, obtain pressure detecting signal and the corresponding relation of time in material chemical reaction process；With pressure detecting
Signal and the corresponding relation of time characterize expansive force and the corresponding relation of time.
Claims (3)
1. a kind of constant volume quantitatively expands force checking device, it is characterized in that：
On in horizontally disposed detection platform, one end is arranged as material container (1), and the other end is arranged as motor (12), described
The container plunger bar of material container (1) stretches out in the front end of material container, towards motor (12) institute at one end and along detection platform
Be longitudinally arranged；The screw nut driving being made up of screw mandrel (8) and nut (7) is set in the motor (12) between piston rod
Structure, the screw mandrel (8) are driven by reductor (11) by motor (12) and rotated, and the nut (7) is connected firmly in cylinder (6)
One end, pressure sensor (2) is arranged in series between the other end and container plunger bar of the cylinder (3), utilizes cylinder
(6) vertically moving for container plunger bar is driven, and as the pressure suffered by pressure sensor (2) detection container piston rod；Institute
The side set location sensor (4) for being located at cylinder (6) in detection platform is stated, the position sensor (4) is grating scale, Gu
Surely it is arranged on a side stand (3) and is linked with cylinder (6) and support (3), utilizes position sensor (4) to detect the container and live
The lengthwise position of stopper rod；The afterbody of the material container (1) is provided with material inlet (13)；
Definition：
S is the cross sectional area of material container content cavity；
V1 is the volume before material chemical reaction expansion；
V2 is the volume after material chemical reaction expansion；
L1 is is under the V1 volume states before chemical reaction expands when material, the extension elongation of container plunger bar, L1=V1/S；
L2 is is under V2 volume states after chemical reaction expands when material, the extension elongation of container plunger bar, L2=V2/S：
The detection method that the constant volume quantitatively expands force checking device is carried out as follows：
Step 1：The extension elongation L1 for obtaining container plunger bar is calculated according to the volume V1 before the chemical reaction expansion of known material；
Container plunger bar is set to stretch out on the position that length is L1 by motor driving, material is drawn into material container from material inlet (13)
It is interior, complete the filling to material container；
Step 2：The extension elongation L2 for obtaining container plunger bar is calculated according to the volume V2 after the chemical reaction expansion of known material；
Container plunger bar is set to be moved to extension elongation within the time set as L2 from extension elongation is L1 position by motor driving
Position on, the actual displacement amount L22 for obtaining piston rod is detected using grating scale, and there is the actual volume V22 to be：V22=S ×
L22；
Step 3：Material container is closed, material is chemically reacted in material container, during the chemical reaction,
Piston rod is maintained on the position that extension elongation is L2 by motor self-locking, gather pressure sensor (2) detection in real time and obtain
Pressure detecting signal, obtain material chemical reaction process in pressure detecting signal and the corresponding relation of time；With the pressure
The corresponding relation of power detection signal and time characterize expansive force and the corresponding relation of time.
2. constant volume according to claim 1 quantitatively expands force checking device, it is characterized in that：
In the step 1, under being driven in motor, container plunger bar is stretched out when on the position that length is L1, utilizes grating
Chi detection obtains the actual extension elongation L11 of container plunger bar, and has：V11=S × L11；The material is chemically reacted and expanded
Preceding volume V1 is modified to V11；
In the step 2, under being driven in motor, container plunger bar is stretched out when on the position that length is L2, utilizes grating
Chi detection obtains the actual extension elongation L22 of container plunger bar, and has：V22=S × L22；The material is chemically reacted and expanded
Volume V2 afterwards is modified to V22.
3. constant volume quantitatively expands force checking device according to claim 1, it is characterized in that：Set in the detection platform vertical
Direction guiding rail (5), and there is sliding block to be slidably matched with the longitudinal rail (5), set a pair of brackets (3) to exist the cylinder (6)
Both sides fixed clamp in the form of filling the span of a man's arms, the support (3) are fixedly connected with a slide block, and make vertically moving in institute for cylinder (6)
State and be oriented on longitudinal rail (5).
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| CN201610640536.9A CN106289610B (en) | 2016-08-05 | 2016-08-05 | A kind of constant volume quantitatively expands force checking device |
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|---|---|---|---|
| CN201610640536.9A CN106289610B (en) | 2016-08-05 | 2016-08-05 | A kind of constant volume quantitatively expands force checking device |
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| CN106289610B true CN106289610B (en) | 2018-02-06 |
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| CN110542545B (en) * | 2019-07-18 | 2021-10-01 | 北京精密机电控制设备研究所 | Automatic test electromagnetic brake's actuation device under complicated application environment |
| CN111122035A (en) * | 2019-12-16 | 2020-05-08 | 合肥国轩高科动力能源有限公司 | Battery module expansion force detection device |
| CN112097978B (en) * | 2020-08-25 | 2022-03-15 | 西安近代化学研究所 | Gelation solid-liquid gas phase mixed material body expansion pressure testing device |
| CN116461025A (en) * | 2023-05-24 | 2023-07-21 | 南通辉宏康复器材有限公司 | Automatic quantitative pouring system |
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| CN1301958A (en) * | 1999-12-30 | 2001-07-04 | 中国地质大学（武汉） | Testing method and testing device for expansion pressure of soild expansion material |
| CN2535780Y (en) * | 2002-03-22 | 2003-02-12 | 湖北省机电研究设计院 | Material measuring device |
| CA2543632C (en) * | 2003-11-10 | 2011-08-16 | Machine Solutions, Inc. | Radial expansion force measurement technology |
| CN201311310Y (en) * | 2008-12-08 | 2009-09-16 | 核工业理化工程研究院华核新技术开发公司 | Material level detector of a reaction kettle |
| CN201359541Y (en) * | 2009-03-06 | 2009-12-09 | 长江水利委员会长江科学院 | Full-automation rock expansion force tester |
| CN103123042A (en) * | 2013-02-05 | 2013-05-29 | 上海大学 | Variable air-capacitor device |
| CN204740086U (en) * | 2014-12-29 | 2015-11-04 | 核工业北京地质研究院 | Consider "Cushion" bulging force survey device in construction gap |
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