CN105699188A - Device for detecting horizontal thrust of handrail - Google Patents
Device for detecting horizontal thrust of handrail Download PDFInfo
- Publication number
- CN105699188A CN105699188A CN201610181302.2A CN201610181302A CN105699188A CN 105699188 A CN105699188 A CN 105699188A CN 201610181302 A CN201610181302 A CN 201610181302A CN 105699188 A CN105699188 A CN 105699188A
- Authority
- CN
- China
- Prior art keywords
- crossbeam
- horizontal thrust
- railing
- counter
- detecting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
- G01N3/08—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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
Abstract
The invention relates to a device for detecting a horizontal thrust of a handrail. The structure is characterized in that a top shore is externally hung on a counterforce cross beam and is connected with a steel pipe through an adjusting cap; the other end of the counterforce cross beam stretches across a door opening wall; the other end of the steel pipe is successively connected with a core-penetrating jack, a variable cross section connector and a force measuring ring; the two ends of the variable cross section connector are respectively arranged in central holes of the core-penetrating jack and the force measuring ring; the other end of the force measuring ring is resisted against an adjustable cross beam on a detecting handrail; a lift type moving trolley is connected with the top shore platform through the other adjusting cap and then is arranged under the core-penetrating jack; two tripods of one mounting supporting plate are respectively arranged at the two ends of the counterforce cross beam; the tripod of the other mounting supporting plate is arranged on the balcony working ground; and a lengthening bar magnetic gauge stand provided with a dial indicator is arranged on the tripod. The device provided by the invention is fit for the horizontal thrust detection on the handrail carried out by all-level laboratories and supervising departments and has the characteristics of simple operation, portability, wide application, and the like.
Description
Technical field
The present invention relates to a kind of device for detecting railing horizontal thrust, be suitable for the material all kinds railing horizontal thrusts such as steel, aluminium alloy, plastic-steel and winding degree detection。
Background technology
Along with society's development, building construction is more and more higher。Balcony balustrade effect is not only attractive in appearance, also has out and out protective effect, in order to ensure the safety of people's lives and properties, need to the quality of railing be detected。
Summary of the invention
It is an object of the invention to provide a kind of device for detecting railing horizontal thrust, adapt to test chamber at different levels and superintendent office and railing is carried out horizontal thrust detection, it has the features such as simple to operate, easy to carry, the suitability is wide。Thrust unit adopts the International System of Units thousand Ns (kN), displacement unit (mm) by People's Republic of China's " metric method " regulation。
The technical scheme is that
A kind of railing horizontal thrust detecting device that is used for includes: three spiders, three blocks of supporting plates, counter-force crossbeam, shore, two adjustment caps, steel pipe, punching jack, variable cross-section connector, proving ring, adjustable effect crossbeam, lift travelling car, jacking platform, extension bar magnetic stand, dial gauge, it is characterised in that: it is hung on counter-force crossbeam outside shoring and by adjustment cap and fastener for connection, the counter-force crossbeam other end is across door opening body of wall, and the steel pipe other end is sequentially connected with punching jack, variable cross-section connector, proving ring, wherein variable cross-section connector two ends are respectively placed in the centre bore of punching jack and proving ring, the other end of proving ring withstands the adjustable effect crossbeam being placed on detection railing, lift travelling car is connected with jacking platform is placed on below punching jack by another adjustment cap, then two spiders installing supporting plate are respectively placed in reversed beam crossbeam two ends, another spider installing supporting plate is placed on balcony work ground, the extension bar magnetic stand that be mounted with dial gauge is placed above, extension bar magnetic stand is used for measuring detection railing displacement, and the height regulating spider and lift travelling car ensures that the actuating system that the facial canal of detection railing is formed between counter-force crossbeam is in sustained height。
Present invention additionally comprises two pieces of stress cushion blocks, two stress cushion blocks are separately mounted on adjustable effect crossbeam。
Described adjustable effect crossbeam, ∠ 60mm*60mm is adopted to make, the slit of a 6mm*400mm it is respectively arranged with at 300mm place, angle steel one back gauge center, a stress cushion block is respectively installed at slit place, stress cushion block adopts the Q235 steel precision part of 50mm*30mm*10mm to be made so that stress cushion block position is adjustable。
Described counter-force crossbeam is that many sections of No. 10 I-steel are formed by connecting with loose-leaf system bolt。Described counter-force crossbeam can overlap extension, and can guarantee that the entirety after connection has enough rigidity, facilitates test to carry simultaneously, adopts standard connector to install, simple suitable in 1m and above wide door opening。
Described shoring is provided with draw-in groove, and draw-in groove can make to shore and be fixed on counter-force crossbeam。
Described shoring is furnished with screw thread draw-in groove, is used for connecting adjustment cap, the balcony balustrade of different depth in convenient adaptation life。
On the lift travelling car of the present invention, one jacking platform of collocation and an adjustment cap make device be respectively provided with adjustability in vertical and horizontal direction。
Described jacking platform is provided with a U-type groove, is used for fixing punching jack and proving ring so that it is do not offset to both sides。
The variable cross-section connector of the present invention, connects punching jack and proving ring, makes the active force of punching jack be efficiently transferred on proving ring。
Described supporting plate top is provided with a U-type groove, is used for fixing counter-force crossbeam and extension bar magnetic stand, has band spiral channel circular hole, it is simple to be fixed on spider bottom supporting plate。
The fixing bar of the fixing more common magnetic stand of bar of the dial gauge of the extension bar magnetic stand of the present invention is longer, it is possible to railing stress deformation test during suitable in non-one layer of railing detection。
The present invention adapts to test chamber at different levels and superintendent office and railing is carried out horizontal thrust detection, has the features such as simple to operate, easy to carry, the suitability is wide。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention。
Detailed description of the invention
In conjunction with accompanying drawing, the invention will be further described。
As it is shown in figure 1, the present invention includes: three spiders 6, three blocks of supporting plates 5, counter-force crossbeam 2, shore 3, two adjustment caps 4, steel pipe 7, punching jack 8, variable cross-section connector 17, proving ring 9, adjustable effect crossbeam 14, stress cushion block 13, lift travelling car 11, jacking platform 10, extension bar magnetic stand 12, dial gauge 15, it is characterised in that: shoring and be hung on counter-force crossbeam 2 outside 3 and be connected with steel pipe 7 by adjustment cap 4, counter-force crossbeam 2 other end is across door opening body of wall 1, and steel pipe 7 other end is sequentially connected with punching jack 8, variable cross-section connector 17, proving ring 9, wherein variable cross-section connector 17 two ends are respectively placed in the centre bore of punching jack 8 and proving ring 9, the other end of proving ring 9 withstands and is collocated with two stress cushion blocks 13 and is placed on the adjustable effect crossbeam 14 on detection railing, lift travelling car 11 is connected with jacking platform 10 by another adjustment cap 4 and is placed on below punching jack 8, then two spiders 6 installing supporting plate 5 are respectively placed in reversed beam crossbeam 2 two ends, another spider 6 installing supporting plate 5 is placed on balcony work ground 18, the extension bar magnetic stand 12 that be mounted with dial gauge 15 is placed above, extension bar magnetic stand 12 is used for measuring detection railing 16 displacement, and the height regulating spider 6 and lift travelling car 11 ensures that the actuating system that the facial canal of detection railing 16 is formed between counter-force crossbeam 2 is in sustained height。
Described adjustable effect crossbeam, ∠ 60mm*60mm is adopted to make, the slit of a 6mm*400mm it is respectively arranged with at 300mm place, angle steel one back gauge center, a stress cushion block is respectively installed at slit place, stress cushion block adopts the Q235 steel precision part of 50mm*30mm*10mm to be made so that stress cushion block position is adjustable。
Described counter-force crossbeam is that many sections of No. 10 I-steel are formed by connecting with loose-leaf system bolt。Described counter-force crossbeam can overlap extension, and can guarantee that the entirety after connection has enough rigidity, facilitates test to carry simultaneously, adopts standard connector to install, simple suitable in 1m and above wide door opening。
Described shoring is provided with draw-in groove, and draw-in groove can make to shore and be fixed on counter-force crossbeam。Described shoring is furnished with screw thread draw-in groove, is used for connecting adjustment cap, the balcony balustrade of different depth in convenient adaptation life。
Described jacking platform is provided with a U-type groove, is used for fixing punching jack and proving ring so that it is do not offset to both sides。
Described supporting plate top is provided with a U-type groove, is used for fixing counter-force crossbeam and extension bar magnetic stand, has band spiral channel circular hole, it is simple to be fixed on spider bottom supporting plate。
On the lift travelling car of the present invention, one jacking platform of collocation and an adjustment cap make device be respectively provided with adjustability in vertical and horizontal direction。The variable cross-section connector of the present invention, connects punching jack and proving ring, makes the active force of punching jack be efficiently transferred on proving ring。
The fixing bar of the fixing more common magnetic stand of bar of the dial gauge of the extension bar magnetic stand of the present invention is longer, it is possible to railing stress deformation test during suitable in non-one layer of railing detection。
The using method of the present invention:
(1) prepare before test
1., according to the shape of railing and length and design thrust, calculate these railing equivalence three branch Test Loading Value for Loadings (kN), maximum defluxion permissible value (mm) and three branches distance (mm)。
2. mark railing central point be placed centrally adjustable effect crossbeam and adjust stress cushion block in three branch positions so that it is contact with railing facial canal and fix, it is prevented that crossbeam moves left and right。
3. set up displacement dial gauge in railing center, be transferred to " 0 " position。
4. select counter-force crossbeam according to door opening size, meet crossbeam two ends and be not less than 200mm bolt by crossbeam connection in door opening body of wall contact surface。
5. adjust work platforms and prop up the height of support system so that counter-force transmission system, test system and rail surface tube hub are in same level。
(2) test procedure
1. whether precompressed before test, normal with the work of checkout facility device。Prefabricating load can be taken as the 20%～30% of inspection load。
2. classification adds unloading
(1) loading test
When load is less than characteristic value of load, every grade of load not should be greater than the 20% of characteristic value of load；When load is more than characteristic value of load, every grade of load not should be greater than the 10% of characteristic value of load；When load is close to bearing capacity examination payload values, every grade of load not should be greater than the 5% of bearing capacity examination design load。After every grade of loading completes, 10min should be continued；Under characteristic value of load effect, 30min should be continued。Within the persistent period, the connection of guardrail anchored end should be observed；When the persistent period terminates, observe and record every reading。
Can be considered destruction when following destruction marking occurs after loading, terminate loading:
1. guardrail amount of deflection reaches to design and allows deflection value to obtain 2 times or anchoring cracking；
2., under load action, guardrail own material ftractures, ruptures。
After having tested, should according to finder charge Plotting data load-sag curve。Ultimate bearing capacity takes the payload values of failing load previous stage。
(2) acceptance test
Every grade of loaded value is not preferably greater than the 20% of characteristic value of load, reach inspection payload values after classification off-load, off-load classification number of times should not less than 3 times。After every grade of loading completes, 10min should be continued；After afterbody loaded, 30min should be continued。Within the persistent period, the connection of guardrail anchored end should be observed；When the persistent period terminates, observe and record every reading。
When meeting following all conditions, the guardrail of test section is qualified:
1. after being loaded into inspection payload values, stabilization；
2. under characteristic value of load effect guardrail top displacement not less than allow deflection limit value；
3. under inspection load action, there are not the abnormal conditions such as cracking, arch camber in guardrail anchored end。
Claims (7)
1. for a railing horizontal thrust detecting device, including: three spiders, three blocks of supporting plates, counter-force crossbeam, shore, two adjustment caps, steel pipe, punching jack, variable cross-section connector, proving ring, adjustable effect crossbeam, lift travelling car, jacking platform, extension bar magnetic stand, dial gauge, it is characterised in that: it is hung on counter-force crossbeam outside shoring and by adjustment cap and fastener for connection, the counter-force crossbeam other end is across door opening body of wall, and the steel pipe other end is sequentially connected with punching jack, variable cross-section connector, proving ring, wherein variable cross-section connector two ends are respectively placed in the centre bore of punching jack and proving ring, the other end of proving ring withstands the adjustable effect crossbeam being placed on detection railing, lift travelling car is connected with jacking platform is placed on below punching jack by another adjustment cap, then two spiders installing supporting plate are respectively placed in reversed beam crossbeam two ends, another spider installing supporting plate is placed on balcony work ground, and the extension bar magnetic stand that be mounted with dial gauge is placed above。
2. according to claim 1 for railing horizontal thrust detecting device, it is characterised in that: also including two pieces of stress cushion blocks, two stress cushion blocks are separately mounted on adjustable effect crossbeam。
3. according to claim 1 for railing horizontal thrust detecting device, it is characterized in that: described adjustable effect crossbeam, ∠ 60mm*60mm is adopted to make, the slit of a 6mm*400mm it is respectively arranged with at 300mm place, angle steel one back gauge center, a stress cushion block is respectively installed at slit place, and stress cushion block adopts the Q235 steel precision part of 50mm*30mm*10mm to be made。
4. according to claim 1 for railing horizontal thrust detecting device, it is characterised in that: described counter-force crossbeam is that many sections of No. 10 I-steel are formed by connecting with loose-leaf system bolt。Described shoring is provided with draw-in groove, and draw-in groove can make to shore and be fixed on counter-force crossbeam。
5. according to claim 1 for railing horizontal thrust detecting device, it is characterised in that: described shoring is furnished with screw thread draw-in groove。
6. according to claim 1 for railing horizontal thrust detecting device, it is characterised in that: described jacking platform is provided with a U-type groove。
7. according to claim 1 for railing horizontal thrust detecting device, it is characterised in that: described supporting plate top is provided with a U-type groove, has band spiral channel circular hole bottom supporting plate。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181302.2A CN105699188A (en) | 2016-03-28 | 2016-03-28 | Device for detecting horizontal thrust of handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181302.2A CN105699188A (en) | 2016-03-28 | 2016-03-28 | Device for detecting horizontal thrust of handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105699188A true CN105699188A (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181302.2A Pending CN105699188A (en) | 2016-03-28 | 2016-03-28 | Device for detecting horizontal thrust of handrail |
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| Country | Link |
|---|---|
| CN (1) | CN105699188A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153026A (en) * | 2017-07-11 | 2017-09-12 | 甘肃省交通科学研究院有限公司 | A kind of static load anchoring machine steel strand wires install instrument |
| CN108152131A (en) * | 2017-12-07 | 2018-06-12 | 黄贺明 | Concrete anti-collision guard bar load test frame, experimental rig and load test method |
| CN111238796A (en) * | 2020-01-19 | 2020-06-05 | 湖北三江航天红峰控制有限公司 | Horizontal force measuring device for air injection valve |
| CN111256610A (en) * | 2020-02-27 | 2020-06-09 | 交通运输部公路科学研究所 | Device and method for measuring embedded depth of upright post of plug-in type edge-approaching guardrail |
| CN111811949A (en) * | 2020-07-31 | 2020-10-23 | 福州大学 | Portable railing horizontal thrust detection device and implementation method thereof |
| CN113203624A (en) * | 2021-03-25 | 2021-08-03 | 孙保金 | Thrust loading device for detecting quality of handrail |
| CN114778306A (en) * | 2022-04-01 | 2022-07-22 | 中大检测(湖南)股份有限公司 | Building railing thrust experiment detection device and detection method thereof |
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| CN102175443A (en) * | 2011-02-21 | 2011-09-07 | 北京市市政工程研究院 | Device and method for non-destructively testing capacity of overbridge railings |
| CN102889984A (en) * | 2012-10-11 | 2013-01-23 | 招商局重庆交通科研设计院有限公司 | In-situ static-loading safety performance detection method of waveform beam guardrail |
| CN103134700A (en) * | 2013-01-29 | 2013-06-05 | 泰州市房城建筑质量评估事务有限公司 | On-site test method and device for construction enclosure construction member horizontal thrust performance |
| CN204116062U (en) * | 2014-07-22 | 2015-01-21 | 云南省建筑科学研究院 | A kind of based on lifting jack loading guardrail level, the dual-purpose test unit of vertical load |
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| CN204855267U (en) * | 2015-08-26 | 2015-12-09 | 西安公路研究院 | Overpass steel guardrail is anti to be pushed away rigidity test and uses horizontal loading device |
| CN205719775U (en) * | 2016-03-28 | 2016-11-23 | 湖北中精衡建筑检测技术有限责任公司 | A kind of device for detecting railing horizontal thrust |
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2016
- 2016-03-28 CN CN201610181302.2A patent/CN105699188A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102175443A (en) * | 2011-02-21 | 2011-09-07 | 北京市市政工程研究院 | Device and method for non-destructively testing capacity of overbridge railings |
| CN102889984A (en) * | 2012-10-11 | 2013-01-23 | 招商局重庆交通科研设计院有限公司 | In-situ static-loading safety performance detection method of waveform beam guardrail |
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| CN204116062U (en) * | 2014-07-22 | 2015-01-21 | 云南省建筑科学研究院 | A kind of based on lifting jack loading guardrail level, the dual-purpose test unit of vertical load |
| CN204855273U (en) * | 2015-07-24 | 2015-12-09 | 云南省建筑科学研究院 | Thrust device for building structure |
| CN204855267U (en) * | 2015-08-26 | 2015-12-09 | 西安公路研究院 | Overpass steel guardrail is anti to be pushed away rigidity test and uses horizontal loading device |
| CN205719775U (en) * | 2016-03-28 | 2016-11-23 | 湖北中精衡建筑检测技术有限责任公司 | A kind of device for detecting railing horizontal thrust |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153026A (en) * | 2017-07-11 | 2017-09-12 | 甘肃省交通科学研究院有限公司 | A kind of static load anchoring machine steel strand wires install instrument |
| CN108152131A (en) * | 2017-12-07 | 2018-06-12 | 黄贺明 | Concrete anti-collision guard bar load test frame, experimental rig and load test method |
| CN111238796A (en) * | 2020-01-19 | 2020-06-05 | 湖北三江航天红峰控制有限公司 | Horizontal force measuring device for air injection valve |
| CN111256610A (en) * | 2020-02-27 | 2020-06-09 | 交通运输部公路科学研究所 | Device and method for measuring embedded depth of upright post of plug-in type edge-approaching guardrail |
| CN111811949A (en) * | 2020-07-31 | 2020-10-23 | 福州大学 | Portable railing horizontal thrust detection device and implementation method thereof |
| CN113203624A (en) * | 2021-03-25 | 2021-08-03 | 孙保金 | Thrust loading device for detecting quality of handrail |
| CN114778306A (en) * | 2022-04-01 | 2022-07-22 | 中大检测(湖南)股份有限公司 | Building railing thrust experiment detection device and detection method thereof |
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| PB01 | Publication | ||
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Application publication date: 20160622 |
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| RJ01 | Rejection of invention patent application after publication |