CN206893187U - A kind of lifting machinery metal structure stress-strain test apparatus for demonstrating - Google Patents
A kind of lifting machinery metal structure stress-strain test apparatus for demonstrating Download PDFInfo
- Publication number
- CN206893187U CN206893187U CN201720059583.4U CN201720059583U CN206893187U CN 206893187 U CN206893187 U CN 206893187U CN 201720059583 U CN201720059583 U CN 201720059583U CN 206893187 U CN206893187 U CN 206893187U
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- China
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- strain
- girder
- lifting
- metal structure
- electric block
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Abstract
Hoisting machinery stress demonstrating engineering device technique field is the utility model is related to, specifically a kind of lifting machinery metal structure stress-strain test apparatus for demonstrating, including, test demonstration electric block gantry crane, stress-strain test equipment, the counterweight for demarcating weight；The test demonstration includes metal structure, electric block, safety guard with electric block gantry crane；The present apparatus can test the ess-strain situation of unloaded demonstration hoisting machinery, rated load and its scope internal load dangerous spot, can substantially determine the load spectral curve of hoisting machinery under laboratory condition.
Description
Technical field
It the utility model is related to hoisting machinery stress demonstrating engineering device technique field, specifically a kind of lifting machinery metal structure
Stress-strain test apparatus for demonstrating.
Background technology
The industries such as the manufacturing industry in China, steel and iron industry, construction industry, port and pier are obtained for further development, lifting
Machinery is widely used, and the use of particularly some large-scale or especially big heavy-duty lifting machines is also more and more.Due to such
Hoisting machinery is expensive, and manufacturing cycle length, maintenance cost is high, after certain time limit has been used or after there is abnormal problem
Reparation uses crane, how correctly to assess the behaviour in service of these equipment, ensures that the safe and reliable operation of hoisting machinery uses
As use unit concern the most；For usage time close to projected life crane or there is anomaly but original
Because of unknown crane and due to the crane that the reasons such as cross-operation collide, examined using unit for inherently safe
Consider, typically can also carry out vibrative mechanism safety feature test to it；In order to preferably study lifting machinery metal structure
Effect of the ess-strain to lifting machinery metal structure performance, design method and life appraisal, develop a kind of laboratory condition and enter
The device of row stress-strain test is highly desirable.
Utility model content
The utility model aims to provide a kind of lifting machinery metal structure stress-strain test for laboratory and demonstrates dress
Put.
To achieve the above object, the technical solution adopted in the utility model is such：A kind of lifting machinery metal structure
Stress-strain test apparatus for demonstrating, it is characterised in that：The present apparatus includes, test demonstration electric block gantry crane, stress
Strain testing equipment, the counterweight for demarcating weight；The test demonstration includes metal structure, electronic with electric block gantry crane
Cucurbit, safety guard；The electric block gantry crane is manipulated by cabinet control electric control system and realizes mark
Determine the counterweight lifting and operation of weight；The safety guard includes, load lifting limiter, lifting altitude and descending depth limit
Position device, operation range limiter, end stop and buffer；The load lifting limiter is arranged on the raising steel wire of electric block
On rope, for limiting the weight of lifted load, if overload, load lifting limiter will send alarm signal and cut off to dangerous direction
The power supply of operation；The lifting altitude and descending depth limiter are arranged on electric gourd drum one end, are carried for limiting raising
The lifting altitude and descending depth of lotus, if transfiniting, limiter will cut off the power supply run to dangerous direction；The operation stroke limit
Position device is arranged on girder both ends, for limiting the operation stroke of electric block；The end stop and buffer integrative installation technology
At girder both ends, for preventing electric block from derailing and buffering the impulsive force of electric block shock end stop.
Further, the metal structure includes：Girder, supporting leg, top end transverse member, bottom end rail, the girder both ends respectively with
Top end transverse member is welded and fixed, and the both ends of the top end transverse member are welded and fixed by the both ends of two tilting supporting legs and bottom end rail respectively；
The bottom weld horizontal steel plate of the supporting leg is to stand on ground；The girder combines box knot by square steel and I-steel
Structure, the supporting leg, top end transverse member, bottom end rail use channel-section steel structure；The electric block gantry crane is arranged on below girder
On I-steel, operation track is used as using the bottom wing listrium of I-steel.
Further, the stress-strain test equipment includes：Resistance-strain paster, temperature-compensating paster, resistance-strain
Instrument and the computer for installing test platform software；The resistance-strain paster and temperature-compensating paster are attached on girder span centre respectively
0.72 times of lower surface, kingpost cantalever root upper and lower surface, supporting leg upper surface, supporting leg height are stepped up in lower surface, girder a quarter
At the connection lower surface at place, top end transverse member and girder, at bottom end rail span centre upper surface, temperature-compensating paster pastes another do not stress
Metallic plate on, the metallic plate is identical with tested metal structure material, in same temperature field；The resistance strain gauge respectively with
Resistance-strain paster is connected by wire；The data of collection are sent to computer by the resistance strain gauge by wireless transport module
Processing end.
Further, slick line device is installed between the top end transverse member of the girder side.
Further, the resistance strain gauge is ASMC1-9 type resistance strain gauges.
Further, set can be with the road wheel of locking quickly to move for the supporting leg bottom.
The beneficial effects of the utility model are：The present apparatus is by the test process of hoisting machinery primary structure member ess-strain in reality
Test under the conditions of room and realize, the stress of unloaded demonstration hoisting machinery, rated load and its scope internal load dangerous spot can be tested
Strained situation, the load spectral curve of hoisting machinery under laboratory condition can be substantially determined, for setting for lifting machinery metal structure
Meter, strength and stiffness reserve status and residual life evaluation provide important references, meanwhile, to stress under hoisting machinery actual condition
Strain testing has important practical advice effect.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model；
In figure：3rd, counterweight；5th, load lifting limiter；6th, lifting altitude and descending depth limiter；7th, stroke limit is run
Device；8th, end stop；9th, buffer；10th, hoist rope；11st, electric gourd drum；12nd, girder；13rd, supporting leg；14th, upper end
Beam；15th, bottom end rail；16th, steel plate；17th, resistance-strain paster；18th, temperature-compensating paster；19th, computer；20th, resistance strain gauge；
21st, metallic plate.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings, it is only of the present utility model below preferably to implement
Example, is not limited to the utility model.
As described in accompanying drawing, a kind of hoisting machinery stress-strain test apparatus for demonstrating, it is characterised in that：The present apparatus includes, and surveys
Preview and show with electric block gantry crane, stress-strain test equipment, the counterweight 3 for demarcating weight；The test demonstration electricity consumption
Dynamic cucurbit gantry crane includes metal structure, electric block, safety guard；The electric block gantry crane passes through
Operational control cabinet control electric control system is realized the counterweight of raising demarcation weight and horizontally slipped；The safety guard bag
Include, load lifting limiter 5, lifting altitude and descending depth limiter 6, operation range limiter 7, end stop 8 and buffer
9；The load lifting limiter 5 is arranged on the hoist rope 10 of electric block, for limiting the weight of lifted load, if
Overload, load lifting limiter 5 will send alarm signal and cut off the power supply run to dangerous direction；The lifting altitude and decline
Depth stop 6 is arranged on the one end of electric gourd drum 11, for limiting the lifting altitude and descending depth of lifted load, if super
Limit, limiter will cut off the power supply run to dangerous direction；The operation range limiter is arranged on the both ends of girder 12, for limiting
The operation stroke of electric block processed；The end stop 8 and the integrative installation technology of buffer 9 are at the both ends of girder 12, for preventing electricity
Dynamic cucurbit derailing and buffering electric block hit the impulsive force of end stop 8.
Preferably, the metal structure includes：Girder 12, supporting leg 13, top end transverse member 14, bottom end rail 15,12 liang of the girder
End is welded and fixed with top end transverse member 14 respectively, and the both ends of the top end transverse member 14 pass through two tilting supporting legs 13 and bottom end rail 15 respectively
Both ends be welded and fixed；The bottom weld horizontal steel plate 16 of the supporting leg is to stand on ground；The girder 12 is by square steel and work
Word steel combines case structure, and the supporting leg, top end transverse member, bottom end rail use channel-section steel structure；The electric block gate-type rises
Heavy-duty machine is arranged on the I-steel below girder, and operation track is used as using the bottom wing listrium of I-steel.
Preferably, the stress-strain test equipment includes：Resistance-strain paster 17, temperature-compensating paster 18, resistance should
Become instrument 20 and the computer 19 of test platform software is installed；The resistance-strain paster be attached to respectively girder span centre upper and lower surface,
Girder a quarter step up lower surface, kingpost cantalever root upper and lower surface, supporting leg upper surface, at 0.72 times of supporting leg height, upper end
At the connection lower surface of beam and girder, at bottom end rail span centre upper surface, temperature-compensating paster pastes another metal not stressed
On plate 21, the metallic plate is identical with tested metal structure material, in same temperature field；The resistance strain gauge respectively with resistance
Strain paster is connected by wire；The data of collection are sent to computer by wireless transport module and handled by the resistance strain gauge
End.
Preferably, slick line device 15 is installed between the top end transverse member 14 of the side of girder 12.
Preferably, the resistance strain gauge 20 is ASMC1-9 type resistance strain gauges.
Preferably, set can be with the road wheel of locking quickly to move for the bottom of supporting leg 13.
Principle of the present utility model is：The utility model simulate crane raising and operation and other transfinite, it is logical
Cross resistance-strain paster, resistance strain gauge monitoring hoisting machinery in the course of the work, the ess-strain of lifting machinery metal structure
Situation, the curve table of ess-strain is drawn by computer end analysis, is detected by in-situ stresses, S-N curves of bond material,
The fatigue life of structure is calculated, the equipment past working time is deducted, the residual life of metal structure is estimated with this, is large scale computer
Tool designer provides important reference.
Claims (6)
- A kind of 1. lifting machinery metal structure stress-strain test apparatus for demonstrating, it is characterised in that：The present apparatus includes, test demonstration With electric block gantry crane, stress-strain test equipment, the counterweight for demarcating weight；The electronic calabash door of the test demonstration Formula crane includes metal structure, electric block, safety guard；The electric block gantry crane is manipulated by Cabinet control electric control system realizes the counterweight lifting and operation of demarcation weight；The safety guard includes, lifting capacity limit Device, lifting altitude and descending depth limiter processed, operation range limiter, end stop and buffer；The lifting capacity limitation Device is arranged on the hoist rope of electric block, and for limiting the weight of lifted load, if overload, load lifting limiter will be sent out Go out alarm signal and cut off the power supply run to dangerous direction；The lifting altitude and descending depth limiter are arranged on electronic calabash Reed reel one end, for limiting the lifting altitude and descending depth of lifted load, if transfiniting, limiter will be cut off to dangerous direction The power supply of operation；The operation range limiter is arranged on girder both ends, for limiting the operation stroke of electric block；The end Portion's backstop and buffer integrative installation technology are at girder both ends, for preventing electric block from derailing and buffering electric block hits end The impulsive force of backstop.
- A kind of 2. lifting machinery metal structure stress-strain test apparatus for demonstrating according to claim 1, it is characterised in that： The metal structure includes：Girder, supporting leg, top end transverse member, bottom end rail, the girder both ends are welded and fixed with top end transverse member respectively, institute The both ends for stating top end transverse member are welded and fixed by the both ends of two tilting supporting legs and bottom end rail respectively；The bottom welding of the supporting leg Horizontal steel plate is to stand on ground；The girder combines case structure, the supporting leg, upper end by square steel and I-steel Beam, bottom end rail use channel-section steel structure；The electric block gantry crane is arranged on the I-steel below girder, with I-steel Bottom wing listrium as operation track.
- A kind of 3. lifting machinery metal structure stress-strain test apparatus for demonstrating according to claim 1, it is characterised in that： The stress-strain test equipment includes：Resistance-strain paster, temperature-compensating paster, resistance strain gauge and installation test platform are soft The computer of part；The resistance-strain paster is attached to girder span centre upper and lower surface respectively, girder a quarter steps up lower surface, master Girder cantilever root upper and lower surface, supporting leg upper surface, at 0.72 times of supporting leg height, at the connection lower surface of top end transverse member and girder, under At end carriage span centre upper surface, temperature-compensating paster is pasted on another metallic plate not stressed, the metallic plate and tested metal knot Structure material is identical, in same temperature field；The resistance strain gauge is connected with resistance-strain paster by wire respectively；The electricity The data of collection are sent to computer processing end by resistance deformeter by wireless transport module.
- A kind of 4. lifting machinery metal structure stress-strain test apparatus for demonstrating according to claim 1, it is characterised in that： Slick line device is installed between the top end transverse member of the girder side.
- A kind of 5. lifting machinery metal structure stress-strain test apparatus for demonstrating according to claim 3, it is characterised in that： The resistance strain gauge is ASMC1-9 type resistance strain gauges.
- A kind of 6. lifting machinery metal structure stress-strain test apparatus for demonstrating according to claim 3, it is characterised in that： The supporting leg bottom is set can be with the road wheel of locking quickly to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720059583.4U CN206893187U (en) | 2017-01-18 | 2017-01-18 | A kind of lifting machinery metal structure stress-strain test apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720059583.4U CN206893187U (en) | 2017-01-18 | 2017-01-18 | A kind of lifting machinery metal structure stress-strain test apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206893187U true CN206893187U (en) | 2018-01-16 |
Family
ID=61328077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720059583.4U Expired - Fee Related CN206893187U (en) | 2017-01-18 | 2017-01-18 | A kind of lifting machinery metal structure stress-strain test apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206893187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847055A (en) * | 2017-01-18 | 2017-06-13 | 山东省特种设备检验研究院泰安分院 | A kind of lifting machinery metal structure stress-strain test apparatus for demonstrating |
-
2017
- 2017-01-18 CN CN201720059583.4U patent/CN206893187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847055A (en) * | 2017-01-18 | 2017-06-13 | 山东省特种设备检验研究院泰安分院 | A kind of lifting machinery metal structure stress-strain test apparatus for demonstrating |
| CN106847055B (en) * | 2017-01-18 | 2023-01-20 | 山东省特种设备检验研究院泰安分院 | Stress-strain test demonstration device for metal structure of hoisting machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20190118 |