CN110274829A - A kind of portable test device of elevator shaft wall stress deformation - Google Patents
A kind of portable test device of elevator shaft wall stress deformation Download PDFInfo
- Publication number
- CN110274829A CN110274829A CN201910714252.3A CN201910714252A CN110274829A CN 110274829 A CN110274829 A CN 110274829A CN 201910714252 A CN201910714252 A CN 201910714252A CN 110274829 A CN110274829 A CN 110274829A
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- sliding block
- datum plate
- hole
- slideway
- measurement
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- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 41
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 abstract description 14
- 230000001681 protective effect Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
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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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to a kind of portable test devices of elevator shaft wall stress deformation.It includes measurement host and measurement operating terminal, and measurement host includes protection chassis cover and protection casing, built-in lithium battery, displacement sensor, force sensor, slideway, sliding block, main circuit board, external datum plate and stress head；Slideway is fixed on casing, displacement sensor and force sensor are equipped on protection casing on rear side of slideway, sliding block is equipped on slideway, circular hole is offered on casing in front of face sliding block, datum plate is fixedly connected on slip front by the hollow shaft across the circular hole, and touches the thimble of displacement sensor with sliding block rear end elasticity, and datum plate corresponds to hollow shaft equipped with through-hole, stress head, which passes through the through-hole and is assemblied in hollow shaft, is located at datum plate front end, and force sensor is connected with pressure stress head.The present invention can measure the type variable value under other materials stress condition simultaneously, solve the problems, such as only measuring device and can not directly measure corresponding deformation data value.
Description
Technical field
The present invention relates to a kind of portable test devices of elevator shaft wall stress deformation.
Background technique
According to statistics, elevator accident 80% is concentrated mainly on entrance hall mouthful, has work as elevator faults comprising a kind of situation among these,
Simultaneously car sill and well enclosure apart from it is exceeded when, passenger is easy to fall into hoistway from this gap.Cause casualty accident, inspection body
This hidden danger is coped in the detection process gives enough attention.
No. 1 modification list of GB7588-2003 " elevator manufacture and installation safety standard " requires, once there are this hidden danger, inspection
Inspection Action should be provided by testing mechanism, it is enabled to make this gap less than 0.15 meter by corresponding technological means.This is related to
Install protection additional on well enclosure.But commensurate is not accurate enough to the understanding of the material, intensity of party's sum.Standard also provides that 5 is flat
Square centimetre is born 300 Ns of power and obvious deformation does not occur.But it is often had no based on range estimation on present testing instruments and means
Dedicated instrument.Traditional tensiometer can not effectively measure its deformation.Difficulty is portable, liquid crystal display, deformation
Amount is that mm rank, measurement numerical value are not easy, whether measure numerical value accurate etc..
Summary of the invention
Goal of the invention of the invention, which is that, provides a kind of portable test device of elevator shaft wall stress deformation, can
It realizes and fast automatic collects well enclosure protective materials, sedan-chair when being applied to well enclosure, gate, sedan-chair wall, layer door 300N, 1000N power
Door, sedan-chair wall, layer door deformation quantity purpose, and light structure is easy to carry, convenient and practical.The present invention can measure it simultaneously
Type variable value under his material stress condition, solves only measuring device and can not directly measure corresponding deformation data value
Problem.
Realize foregoing invention purpose the technical solution adopted by the present invention are as follows:
A kind of portable test device of elevator shaft wall stress deformation of the present invention comprising measurement host and measurement operating terminal,
It measures host and measurement operating terminal is wirelessly connected；
Wherein measurement host includes protection chassis cover and protection casing, built-in lithium battery, displacement sensor, force sensor, cunning
Road, sliding block, main circuit board, external datum plate and stress head；
Protection chassis cover is assemblied on protection casing, opens up charging hole, Bluetooth antenna hole and key on protection chassis cover
Hole, Bluetooth antenna and key are mounted on protection chassis cover, and circuit board is assemblied on the inside of protection chassis cover, and lithium battery passes through gum
It is pasted and fixed on circuit board；
Slideway is bolted on casing, on rear side of the slideway on protection casing fixing assembling have displacement sensor and by
Force snesor is equipped with sliding block on slideway, offers circular hole on casing in front of face sliding block, datum plate passes through across the circle
The hollow shaft in hole is fixedly connected on slip front, realizes that datum plate can be formed along the direction of slideway and slides, and passes displacement
The thimble of sensor is touched with sliding block rear end elasticity, realizes that measurement is mounted on the purpose of the datum plate displacement before sliding block, datum plate
Upper corresponding hollow shaft offers through-hole, and stress head, which passes through the through-hole and is assemblied in hollow shaft, is located at datum plate front end, stress sensing
Device is connected with pressure stress head.
The measurement operating terminal can be equipped with the portable printer of wireless connection.
The invention has the benefit that the advantage of apparatus of the present invention is that instrument is portable, data redundancy is high, reliability is steady
Fixed, system uses multiple sensors module, and the electric signal of each module is converted to single-chip microcontroller (wiring board) scope of application；System is adopted
With lithium battery power supply, design detects cell voltage；Detector uses Android Plate Procedure, designs human-computer interaction interface；
Key control is pressed in the design of detector panel, realizes different operation function respectively；And complete the fault detection of detector, power down protection
Etc. functions.System is divided into power management module, MCU module, sensor module, supplementary module and human-computer interaction module etc..
The present invention can automatic collection the deformation quantity of well enclosure protective materials and measurement data is saved in 300N.
Survey crew is only needed to apply the power for being greater than 300N in measurement process, measuring device meeting automatic collection is protected in 300N
The deformation quantity of material.Because traditional tensiometer can not can not effectively measure deformation.In order to reach this simplicity
Measurement method, the present invention will be in the sensor integrations to measuring instrument that measure deformation.It thus can disposably accurately
The type variable of protective materials when acting on well enclosure 300N power is measured, measurement process is easy to operate, collects pressure passes to reach
The purpose of sensor and displacement sensor and one.
Innovative point of the invention are as follows:
(1) product of existing market be record certain point on measurement data, product of the present invention then by by power and displacement
Curved line relation is depicted, and the continuity of deformation or the node of mutability can be understood more intuitively, can disposably accurately
Measure the type variable of protective materials when acting on well enclosure 300N power.
(2) structure of the invention deft design, highly integrated, good portability, and easily operated, measurement is accurately.And it can
It is directly connected to the printer of portable mobile wireless connection, portable blue-tooth printer, energy field print measurement result and curve, is guaranteed
The objectivity and real-time of data.
Detailed description of the invention
Fig. 1 is the knot that host is measured described in a kind of portable test device embodiment of elevator shaft wall stress deformation of the present invention
Structure assembles perspective view of the explosion.
Fig. 2 is in measurement host described in a kind of portable test device embodiment of elevator shaft wall stress deformation of the present invention
The functional block diagram of circuit board.
Specific embodiment
The present patent application is described in further details with reference to the accompanying drawing.Obviously, described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention！
A kind of embodiment of the portable test device of elevator shaft wall stress deformation of the present invention as shown in attached drawing 1,2 comprising survey
Host and measurement operating terminal are measured, measurement host and measurement operating terminal are wirelessly connected, and measurement operating terminal uses general intelligence
Energy mobile terminal, for example the tablet computer etc. of Android system is housed.
Wherein measurement host includes protection chassis cover 2 and protection casing 7, and built-in lithium battery 4, displacement sensor 5, stress pass
Sensor 6, slideway 11, sliding block 12, circuit board 3, external datum plate 8 and stress head 9.
Protection chassis cover 2 be assemblied in protection casing 7 on, protection chassis cover 2 on open up charging hole, Bluetooth antenna hole and by
Keyhole, Bluetooth antenna 10 and key 1 are mounted on corresponding tapping on protection chassis cover 2, and circuit board 3 is assemblied in protection chassis cover
2 insides, 4 grams of lithium battery are pasted and fixed on circuit board 3 by gum.
Slideway 11 is bolted on casing 7, and positioned at 11 rear side of slideway, fixing assembling has displacement on protection casing 7
Sensor 5 and force sensor 6.Sliding block 12 is equipped on slideway 11.12 front of face sliding block offers circle on casing 7
Hole, datum plate 8 are fixedly connected on 12 front end of sliding block by the hollow shaft across the circular hole, realize that datum plate 8 can be along slideway
11 direction forms sliding, and touches the thimble of displacement sensor 5 with 12 rear end elasticity of sliding block, realizes that measurement is mounted on sliding block
Hollow shaft is corresponded on the purpose datum plate 8 of 8 displacement of datum plate before 12 and offers through-hole, and stress head 9 is assembled across the through-hole
It is located at 8 front end of datum plate in hollow shaft, force sensor 6 and stress head 9 connect.
The circuit board is integrated with the CPU main control module and displacement sensor of model STM32F103 as shown in Fig. 2
Connection 12 A/D analog-digital chips, connect with pressure sensor 24 A/D D/A converting circuits, storage unit module,
Crystal oscillator reseting module and power circuit block；
Power circuit includes charging circuit lithium battery and voltage conversion circuit；Power supply is respectively to CPU main control module, 12 A/D
Analog-digital chip, displacement sensor, 24 A/D D/A converting circuits, pressure sensor, storage unit module, crystal oscillator reset
The outputs such as module power supply.Measurement operating terminal connects realization with CPU main control module in circuit board by wireless modes such as bluetooths and hands over
Interoperability.
The measurement operating terminal can be equipped with the portable printer of wireless connection.
The present invention is exactly a power and the instrument that deformation combines in fact, and it is fixed size that hand, which applies the power of a wall,
300N surveys its corresponding deformation.Its accomplished portable, liquid crystal display, deflection be mm rank, measurement numerical value it is accurate.
Design difficulty of the invention is how rapid survey goes out well enclosure when measuring instrument is applied to well enclosure 300N power
The deformation quantity of protective materials.Application 300N power this feature that can not be constant for survey crew, it is necessary to which measuring instrument is automatic
It acquires the deformation quantity of well enclosure protective materials in 300N and measurement data is saved.It only needs to measure in measurement process
Personnel apply the power for being greater than 300N, the deformation quantity of measuring device meeting automatic collection protective materials in 300N.Because traditional
Tensiometer deformation can not effectively can not be measured, in order to reach this easy measurement method, it is also necessary to shape will be measured
In the sensor integration to measuring instrument of change.It thus disposably can accurately measure and act on well enclosure 300N power
When protective materials type variable, thus reach measurement process it is easy to operate, collection pressure sensor and displacement sensor and one
Purpose.
The key problem in technology that the present invention researchs and develops is:
Displacement sensor, the ingehious design of pressure sensor and overall construction design cooperation CPU main control unit are realized power and position
The curved line relation of shifting is depicted, and the continuity of deformation or the node of mutability can be understood more intuitively, can be disposable quasi-
The true type variable for measuring protective materials when acting on well enclosure 300N power.
Innovative point of the invention are as follows:
(1) product of existing market be record certain point on measurement data, product of the present invention then by by power and displacement
Curved line relation is depicted, and the continuity of deformation or the node of mutability can be understood more intuitively, can disposably accurately
Measure the type variable of protective materials when acting on well enclosure 300N power.
(2) structure of the invention deft design, highly integrated, good portability, and easily operated, measurement is accurately.And it can
It is directly connected to the printer of portable mobile wireless connection, portable blue-tooth printer, energy field print measurement result and curve, is guaranteed
The objectivity and real-time of data.
The technical indicator that the present invention realizes reaches:
Thrust measurement range: 0-1000N, deformation quantity measurement range: 0-20mm, thrust resolution ratio: 0.1N, deformation accuracy of measurement:
0.01mm。
Claims (1)
1. a kind of portable test device of elevator shaft wall stress deformation, it is characterised in that: the test device includes measurement host
With measurement operating terminal, measurement host and measurement operating terminal are wirelessly connected；
Wherein measurement host includes protection chassis cover and protection casing, built-in lithium battery, displacement sensor, force sensor, cunning
Road, sliding block, main circuit board, external datum plate and stress head；
Protection chassis cover is assemblied on protection casing, opens up charging hole, Bluetooth antenna hole and key on protection chassis cover
Hole, Bluetooth antenna and key are mounted on protection chassis cover, and circuit board is assemblied on the inside of protection chassis cover, and lithium battery passes through gum
It is pasted and fixed on circuit board；
Slideway is bolted on casing, on rear side of the slideway on protection casing fixing assembling have displacement sensor and by
Force snesor is equipped with sliding block on slideway, offers circular hole on casing in front of face sliding block, datum plate passes through across the circle
The hollow shaft in hole is fixedly connected on slip front, realizes that datum plate can be formed along the direction of slideway and slides, and passes displacement
The thimble of sensor is touched with sliding block rear end elasticity, realizes that measurement is mounted on the purpose of the datum plate displacement before sliding block, datum plate
Upper corresponding hollow shaft offers through-hole, and stress head, which passes through the through-hole and is assemblied in hollow shaft, is located at datum plate front end, stress sensing
Device is connected with stress head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714252.3A CN110274829A (en) | 2019-08-03 | 2019-08-03 | A kind of portable test device of elevator shaft wall stress deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714252.3A CN110274829A (en) | 2019-08-03 | 2019-08-03 | A kind of portable test device of elevator shaft wall stress deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110274829A true CN110274829A (en) | 2019-09-24 |
Family
ID=67966133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910714252.3A Pending CN110274829A (en) | 2019-08-03 | 2019-08-03 | A kind of portable test device of elevator shaft wall stress deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110274829A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0484731A (en) * | 1990-07-27 | 1992-03-18 | Hitachi Building Syst Eng & Service Co Ltd | Effective flexual rigidity measuring apparatus for elevator guide rail |
| CN206339351U (en) * | 2016-12-26 | 2017-07-18 | 珠海市安粤科技有限公司 | A kind of elevator door intensity detecting device |
| CN208308164U (en) * | 2018-04-25 | 2019-01-01 | 大连华齐泰精密仪器有限公司 | For detecting the detection device of elevator door, car door intensity |
| CN210742002U (en) * | 2019-08-03 | 2020-06-12 | 河北省特种设备监督检验研究院 | Portable testing arrangement of elevator shaft wall atress deformation |
-
2019
- 2019-08-03 CN CN201910714252.3A patent/CN110274829A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0484731A (en) * | 1990-07-27 | 1992-03-18 | Hitachi Building Syst Eng & Service Co Ltd | Effective flexual rigidity measuring apparatus for elevator guide rail |
| CN206339351U (en) * | 2016-12-26 | 2017-07-18 | 珠海市安粤科技有限公司 | A kind of elevator door intensity detecting device |
| CN208308164U (en) * | 2018-04-25 | 2019-01-01 | 大连华齐泰精密仪器有限公司 | For detecting the detection device of elevator door, car door intensity |
| CN210742002U (en) * | 2019-08-03 | 2020-06-12 | 河北省特种设备监督检验研究院 | Portable testing arrangement of elevator shaft wall atress deformation |
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