CN102323155A - Load test device for insulating climbing square ladder, insulating ladder, single ladder and herring bone ladder - Google Patents
Load test device for insulating climbing square ladder, insulating ladder, single ladder and herring bone ladder Download PDFInfo
- Publication number
- CN102323155A CN102323155A CN201110146500A CN201110146500A CN102323155A CN 102323155 A CN102323155 A CN 102323155A CN 201110146500 A CN201110146500 A CN 201110146500A CN 201110146500 A CN201110146500 A CN 201110146500A CN 102323155 A CN102323155 A CN 102323155A
- Authority
- CN
- China
- Prior art keywords
- ladder
- insulating
- hydraulic
- pressure
- ascending
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 241000252203 Clupea harengus Species 0.000 title abstract 2
- 210000000988 bone and bone Anatomy 0.000 title abstract 2
- 230000009194 climbing Effects 0.000 title abstract 2
- 235000019514 herring Nutrition 0.000 title abstract 2
- 239000012530 fluid Substances 0.000 claims description 19
- 230000001174 ascending effect Effects 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 14
- 230000003028 elevating effect Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Landscapes
- Ladders (AREA)
Abstract
The invention provides a load test device for an insulating climbing square ladder, an insulating ladder, a single ladder and a herring bone ladder, which comprises a ladder fixing frame, a pressure mechanism, a hydraulic system and a lifting mechanism. The pressure mechanism comprises a hook part and an action part fixed on a hook in a detachable mode. The hook part is connected with the hydraulic system. The action part acts on stepping sections of the ladder. The hydraulic system comprises a hydraulic pipeline, a hydraulic pump, a hydraulic pressure gauge and a power supply, wherein the hydraulic pump and the hydraulic pressure gauge are connected with the hydraulic pipeline; and the power supply is connected with the hydraulic pump. A working medium is filled in the hydraulic pipeline. The lifting mechanism is fixedly connected with the ladder fixing frame. The device provided by the invention can be conveniently used for carrying out load test on the stepping sections of various ladders, so that the using safety is ensured.
Description
Technical field
The invention belongs to power domain, the loading test unit of particularly a kind of insulation side of ascending a height ladder, insulating ladder, single ladder, double ladder.
Background technology:
The on-the-spot using appliances such as utensil side's ladder, insulating ladder, single ladder and double ladder of ascending a height of electric system; Usually in (transformer station) charging equipment zone, manipulate; All kinds of utensils of ascending a height not only will ensure the rules requirement of withstand voltage test, and need possess the loading test (ladder step test) that manpower is ascended a height
Therefore, electric system often can be used the side's of ascending a height ladder, insulating ladder, single ladder and double ladder etc., because the ladder volume of above-mentioned all kinds of models is big, heavy; It is inconvenient to move carrying, and therefore, the electric power maintenance personal reduces the utilization factor of these ladders as much as possible; Then, some situation unavoidablely must be used these ladders, when using; These ladders have passed through wind and weather for a long time, and therefore, the reliability of ladder and loading situation are also unclear; If without test, then in the use of ladder, security incident takes place probably.And at present, also have no the test unit of test ladder loading.
Summary of the invention
Technical matters to be solved by this invention provides the loading test unit of a kind of insulation side of ascending a height ladder, insulating ladder, single ladder, double ladder, to detect the loading of ladder, reduces the generation of security incident.
For realizing above-mentioned purpose; The invention provides the loading test unit of a kind of insulation side of ascending a height ladder, insulating ladder, single ladder, double ladder; Comprise ladder fixed mount, pressure mechanism, hydraulic system; And elevating mechanism, said pressure mechanism is fixed on the hook portion with comprising hook portion, dismounting and acts on the pressing plate on the joint of stepping on of ladder, and said hook portion is connected with hydraulic system through the piston slide bar; Said hydraulic system comprises the hydralic pressure gauge of the pressure in hydraulic pump, conduit under fluid pressure and the demonstration conduit under fluid pressure; Said hydraulic pump offers conduit under fluid pressure through hydraulic pressure chamber with the hydraulic fluid in the hydraulic pump, and said hydraulic pump is connected with power supply, and said elevating mechanism is fixedly connected with the ladder fixed mount.
As most preferred embodiment of the present invention, the face that said ladder fixed mount contacts with ladder is the dip plane;
As most preferred embodiment of the present invention, the angle of said inclination is 60 °;
As most preferred embodiment of the present invention; Said ladder fixed mount is made up of a plurality of rod members and slide block; Said rod member is connected through bolt with slide block to be fixed, and said conduit under fluid pressure is provided with a plurality of fixed blocks, and this fixed block is connected through screw rod with the slide block of ladder fixed mount;
As most preferred embodiment of the present invention, the service portion of said pressure mechanism saves vertical setting with stepping on of ladder;
As most preferred embodiment of the present invention, said elevating mechanism comprises the piston/cylinder that is connected with conduit under fluid pressure, and this piston/cylinder is provided with multi-level piston, and multi-level piston is provided with the ladder shaft collar;
As most preferred embodiment of the present invention, said ladder shaft collar is provided with the ladder rotating disk on plane, outstanding ladder shaft collar place.
Compared with prior art, the loading test unit of the present invention's insulation side of ascending a height ladder, insulating ladder, single ladder, double ladder has the following advantages at least: apparatus of the present invention are tested each loading position of ladder through pressure mechanism at the trial; Change the loading position through the elevating and rotating machine structure, so, the present invention can make an experiment to all loading positions of various ladders; After the test,, then need repairing and reinforce the back use if loading is not up to standard; If loading is up to standard; Then directly use, like this, better through the security of the proof ladder of apparatus of the present invention.
Description of drawings
Fig. 1 is the structural representation of loading test unit of the present invention;
Fig. 2 is the another kind of distressed structure synoptic diagram of ladder fixed mount in the loading test unit of the present invention;
Fig. 3 is the structural representation of elevating mechanism among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the loading test unit of the present invention's insulation side of ascending a height ladder, insulating ladder, single ladder, double ladder is done detailed description:
See also shown in Figure 1; The loading test unit of the present invention insulation side of ascending a height ladder, insulating ladder, single ladder, double ladder comprises ladder fixed mount 1, ladder is exerted pressure and the pressure mechanism 3 of pulling force, to pressure mechanism 3 hydraulic system 5 of power and the elevating mechanism 7 of step by step ladder being realized the loading test is provided.
The face that said ladder fixed mount 1 contacts with ladder is the dip plane, and the angle of inclination is 60 ° and is advisable.
In the present invention, said ladder fixed mount 1 is structure as a whole, then for easy to use; This ladder fixed mount 1 also can be fabricated structure, and is as shown in Figure 2, and said ladder fixed mount is made up of a plurality of rod members and slide block; Said rod member is connected through bolt with slide block to be fixed, and for the ladder fixed mount is fixed, on said conduit under fluid pressure, is provided with a plurality of fixed blocks equally; This fixed block is connected through screw rod with the slide block of ladder fixed mount, and like this, the ladder fixed mount just has been fixed; During use, only need at the scene the ladder fixed mount to be connected through bolt to get final product, easy to use.
Said pressure mechanism 3 is fixed on the hook portion 31 with comprising hook portion 31, dismounting and acts on the pressing plate 33 on the joint of stepping on of ladder, and said hook portion 31 is connected with hydraulic system 5 through piston slide bar 35, and said pressing plate 33 saves vertical setting with stepping on of ladder; Like this; Under the effect of hydraulic system 5,, can pressing plate 33 be applied to ladder and step on the joint through piston slide bar 35 and hook portion 31; Thereby, test the loading that joint can bear of stepping on of ladder.
Said hydraulic system 5 comprises hydraulic pump, conduit under fluid pressure 53, hydralic pressure gauge 55 and the power supply that is connected with hydraulic pump; Be filled with actuating medium in the conduit under fluid pressure; Said hydraulic pump offers conduit under fluid pressure 53 through hydraulic pressure chamber with the actuating medium in the hydraulic pump (being the fluid of hydraulic pressure); Like this, make the pressing plate of pressure mechanism save through the pressure in the conduit under fluid pressure and apply acting force stepping on of ladder.
Loading test unit of the present invention not only is provided with the hydralic pressure gauge of testing hydraulic pipeline 53, further, also is provided with the partial pressure table in the hook portion of pressure mechanism, and wherein, the general pressure table shows that the standard value of general pressure is ± 5 kgfs, and the partial pressure table is 1765N.
Said elevating mechanism 7 comprises the piston/cylinder 71 that is connected with conduit under fluid pressure 53; Firsts and seconds piston 73,75 is arranged on the piston/cylinder 71; Second piston 75 is provided with ladder shaft collar 77, is provided with the ladder rotating disk 79 on plane, outstanding ladder shaft collar place on the ladder shaft collar 77, during use; The touchdown point of ladder is fixed on and carries out the loading test on the ladder shaft collar 77; For the ladder that needs multiaspect test, test simultaneously loading after, through ladder rotating disk 79 ladder is rotated to an angle to carry out the test that the next one is waited the face of testing.Just, can realize each use face of ladder is carried out the loading test through ladder rotating disk 79.The test height that moves up and down and to guarantee ladder of firsts and seconds piston 73,75.
The present invention makes pressure mechanism apply acting force to ladder through pressure system, thereby, the generation of minimizing accident is tested in the loading that joint can bear of stepping on of ladder.
The above is merely one embodiment of the present invention; It or not whole or unique embodiment; The conversion of any equivalence that those of ordinary skills take technical scheme of the present invention through reading instructions of the present invention is claim of the present invention and contains.
Claims (7)
1. the loading test unit of the insulation side of an ascending a height ladder, insulating ladder, single ladder, double ladder; Comprise ladder fixed mount (1), pressure mechanism (3), hydraulic system (5); And elevating mechanism (7); Said pressure mechanism (3) is fixed on the pressing plate (33) on the joint of stepping on that hook portion (31) went up and acted on ladder with comprising hook portion (31), dismounting; Said hook portion is connected with hydraulic system (5) through piston slide bar (35), and said hydraulic system (5) comprises hydraulic pump (51), conduit under fluid pressure (53) and show the hydralic pressure gauge (55) of the pressure in the conduit under fluid pressure that said hydraulic pump (51) offers conduit under fluid pressure (53) through hydraulic pressure chamber with the hydraulic fluid in the hydraulic pump (51); Said hydraulic pump is connected with power supply, and said elevating mechanism (7) is fixedly connected with ladder fixed mount (1).
2. the loading test unit of the insulation as claimed in claim 1 side of ascending a height ladder, insulating ladder, single ladder, double ladder, it is characterized in that: the face that said ladder fixed mount (1) contacts with ladder is the dip plane.
3. the loading test unit of the insulation as claimed in claim 2 side of ascending a height ladder, insulating ladder, single ladder, double ladder, it is characterized in that: the angle of said inclination is 60 °.
4. the loading test unit of the insulation as claimed in claim 1 side of ascending a height ladder, insulating ladder, single ladder, double ladder; It is characterized in that: said ladder fixed mount is made up of a plurality of rod members and slide block; Said rod member is connected fixing with slide block through bolt; Said conduit under fluid pressure is provided with a plurality of fixed blocks, and this fixed block is connected through screw rod with the slide block of ladder fixed mount.
5. the loading test unit of the insulation as claimed in claim 1 side of ascending a height ladder, insulating ladder, single ladder, double ladder is characterized in that: the service portion of said pressure mechanism (3) saves vertical setting with stepping on of ladder.
6. the loading test unit of the insulation as claimed in claim 1 side of ascending a height ladder, insulating ladder, single ladder, double ladder; It is characterized in that: said elevating mechanism (7) comprises the piston/cylinder (71) that is connected with conduit under fluid pressure; This piston/cylinder (71) is provided with multi-level piston, and multi-level piston is provided with ladder shaft collar (77).
7. the loading test unit of the insulation as claimed in claim 6 side of ascending a height ladder, insulating ladder, single ladder, double ladder is characterized in that: said ladder shaft collar (77) is provided with the ladder rotating disk (79) on plane, outstanding ladder shaft collar (77) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110146500 CN102323155B (en) | 2011-06-01 | 2011-06-01 | Load test device for insulating climbing square ladder, insulating ladder, single ladder and herring bone ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110146500 CN102323155B (en) | 2011-06-01 | 2011-06-01 | Load test device for insulating climbing square ladder, insulating ladder, single ladder and herring bone ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102323155A true CN102323155A (en) | 2012-01-18 |
| CN102323155B CN102323155B (en) | 2013-12-25 |
Family
ID=45450943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110146500 Active CN102323155B (en) | 2011-06-01 | 2011-06-01 | Load test device for insulating climbing square ladder, insulating ladder, single ladder and herring bone ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102323155B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505150A (en) * | 2017-04-14 | 2017-12-22 | 威海光威复合材料股份有限公司 | Military aircraft working stand dynamic load fatigue life test machine |
| CN107860597A (en) * | 2017-09-30 | 2018-03-30 | 苏州奔机电有限公司 | A kind of step dead-load detection frock |
| KR101942936B1 (en) * | 2018-07-30 | 2019-01-28 | 목포대학교산학협력단 | Safety testing apparatus of ladder frame and safety testing method of ladder frame using the same |
| KR101961769B1 (en) * | 2018-07-30 | 2019-03-25 | 목포대학교산학협력단 | Safety testing apparatus of ladder frame and safety testing method of ladder frame using the same |
| CN109668719A (en) * | 2018-12-28 | 2019-04-23 | 莱茵技术（上海）有限公司 | A kind of multifunctional testing frame for light industrial goods |
| KR101954825B1 (en) * | 2018-07-31 | 2019-06-11 | 목포대학교산학협력단 | Method for evaluating ladder rung using torsion test |
| CN112082795A (en) * | 2020-09-11 | 2020-12-15 | 山东法尔消防科技服务有限公司 | Fire control ladder strength detection device that ascends a height |
| CN112268580A (en) * | 2020-10-20 | 2021-01-26 | 西安工程大学 | Safety evaluation method for ascending vertical ladder |
| CN114371083A (en) * | 2021-12-06 | 2022-04-19 | 广西电网有限责任公司电力科学研究院 | Static load tension test device and method for hard ladder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710031A (en) * | 2009-12-11 | 2010-05-19 | 江苏省电力公司镇江供电公司 | Ladder detection device |
| CN201623400U (en) * | 2009-10-20 | 2010-11-03 | 上海市电力公司宝山供电分公司 | Hydraulic lifting insulating platform for distribution line live-wire work |
| CN201772997U (en) * | 2010-07-28 | 2011-03-23 | 河南省电力公司三门峡供电公司 | Portable ladder detecting device |
-
2011
- 2011-06-01 CN CN 201110146500 patent/CN102323155B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201623400U (en) * | 2009-10-20 | 2010-11-03 | 上海市电力公司宝山供电分公司 | Hydraulic lifting insulating platform for distribution line live-wire work |
| CN101710031A (en) * | 2009-12-11 | 2010-05-19 | 江苏省电力公司镇江供电公司 | Ladder detection device |
| CN201772997U (en) * | 2010-07-28 | 2011-03-23 | 河南省电力公司三门峡供电公司 | Portable ladder detecting device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505150A (en) * | 2017-04-14 | 2017-12-22 | 威海光威复合材料股份有限公司 | Military aircraft working stand dynamic load fatigue life test machine |
| CN107860597A (en) * | 2017-09-30 | 2018-03-30 | 苏州奔机电有限公司 | A kind of step dead-load detection frock |
| KR101942936B1 (en) * | 2018-07-30 | 2019-01-28 | 목포대학교산학협력단 | Safety testing apparatus of ladder frame and safety testing method of ladder frame using the same |
| KR101961769B1 (en) * | 2018-07-30 | 2019-03-25 | 목포대학교산학협력단 | Safety testing apparatus of ladder frame and safety testing method of ladder frame using the same |
| KR101954825B1 (en) * | 2018-07-31 | 2019-06-11 | 목포대학교산학협력단 | Method for evaluating ladder rung using torsion test |
| CN109668719A (en) * | 2018-12-28 | 2019-04-23 | 莱茵技术（上海）有限公司 | A kind of multifunctional testing frame for light industrial goods |
| CN112082795A (en) * | 2020-09-11 | 2020-12-15 | 山东法尔消防科技服务有限公司 | Fire control ladder strength detection device that ascends a height |
| CN112268580A (en) * | 2020-10-20 | 2021-01-26 | 西安工程大学 | Safety evaluation method for ascending vertical ladder |
| CN114371083A (en) * | 2021-12-06 | 2022-04-19 | 广西电网有限责任公司电力科学研究院 | Static load tension test device and method for hard ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102323155B (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102323155B (en) | Load test device for insulating climbing square ladder, insulating ladder, single ladder and herring bone ladder | |
| CN204030347U (en) | A kind of ring main unit integration is from bogey | |
| CN102996062A (en) | Maintenance lifting platform and application method thereof | |
| CN201619105U (en) | Equipment overhaul stand | |
| CN103956865B (en) | Closed assembly yoke process in hydrogenerator stator same machine hole | |
| CN104030201A (en) | Light insulating platform for aloft work | |
| CN202171554U (en) | Load tester for insulated climbing square ladders, insulated ladders, single ladders and herring bone ladders | |
| CN103474905A (en) | Auxiliary grounding wire laying device | |
| CN103293452B (en) | Insulating ladder Withstand test device | |
| CN207499793U (en) | Transformer high-voltage bushing upkeep operation frame | |
| CN103350975A (en) | Small size simple lifting device | |
| KR20140143250A (en) | Load test apparatus for overhead lug and load test apparatus of overhead lug using it | |
| CN104483201A (en) | Portable type pressure testing machine for building blocks | |
| CN201549792U (en) | 220KV mutual inductor overhauling workbench | |
| CN202929204U (en) | Elevating test support system | |
| CN201526261U (en) | Outdoor isolating switch repair ladder | |
| CN105606348A (en) | Scaffold stability testing device and method | |
| CN206820326U (en) | A kind of self-contained whole dismounting platform torn open of breaker | |
| CN205335717U (en) | Isolator base dismounting device | |
| CN204138153U (en) | A kind of foundation for tower crane lifting self-locking mechanism | |
| CN104064961B (en) | Two guide rail transformer stations secondary door framework assists place system | |
| CN206036563U (en) | Electric power electric wire netting X -ray production apparatus wireless remote control numerical control lifter equipment | |
| CN204374236U (en) | A kind of electric power apparatus examination hoistable platform | |
| CN203535147U (en) | Electric apparatus service life test bench | |
| CN204123027U (en) | " Z " shape auxiliary top tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121129 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121129 Address after: Xianyang City, Shaanxi Province, 712000 Applicant after: Xianyang Power Supply Bureau Applicant after: State Grid Corporation of China Address before: Xianyang City, Shaanxi Province, 712000 Applicant before: Xianyang Power Supply Bureau |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |