CN202171554U - Load tester for insulated climbing square ladders, insulated ladders, single ladders and herring bone ladders - Google Patents
Load tester for insulated climbing square ladders, insulated ladders, single ladders and herring bone ladders Download PDFInfo
- Publication number
- CN202171554U CN202171554U CN2011201831926U CN201120183192U CN202171554U CN 202171554 U CN202171554 U CN 202171554U CN 2011201831926 U CN2011201831926 U CN 2011201831926U CN 201120183192 U CN201120183192 U CN 201120183192U CN 202171554 U CN202171554 U CN 202171554U
- Authority
- CN
- China
- Prior art keywords
- ladder
- ladders
- test unit
- ascending
- loading test
- 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.)
- Expired - Fee Related
Links
- 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
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 230000001174 ascending effect Effects 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 17
- 230000003028 elevating effect Effects 0.000 claims description 7
- 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
Abstract
The utility model provides a load tester for insulated climbing square ladders, insulated ladders, single ladders and herring bone ladders. The load tester comprises a ladder fixing bracket and a pressure mechanism for exerting pressure on stepping segments of ladders, and the pressure mechanism is driven by a hydraulic system. The load tester provided by the utility model can conveniently conduct load tests on stepping segments of various ladders, and ensures safety in use.
Description
Technical field
The utility model 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.
The utility model content
The utility model technical matters to be solved 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 utility model provides the loading test unit of a kind of insulation side of ascending a height ladder, insulating ladder, single ladder, double ladder, comprises sub-fixed mount and stepping on of ladder saved the pressure mechanism of exerting pressure, and said pressure mechanism is driven by hydraulic system.
As the most preferred embodiment of the utility model, the face that said ladder fixed mount contacts with ladder is the dip plane;
As the most preferred embodiment of the utility model, the angle of said inclination is 60 °;
As the most preferred embodiment of the utility model, said loading test unit further comprises the elevating mechanism that is driven by hydraulic system;
Most preferred embodiment as the utility model; 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;
As the most preferred embodiment of the utility model, 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;
Most preferred embodiment as the utility model; 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 the most preferred embodiment of the utility model, the service portion of said pressure mechanism saves vertical setting with stepping on of ladder;
As the most preferred embodiment of the utility model, 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 the most preferred embodiment of the utility model, 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 utility model insulation side of ascending a height ladder, insulating ladder, single ladder, double ladder has the following advantages at least: the utility model device is tested each loading position of ladder through pressure mechanism at the trial; So, the utility model can make an experiment to all loading positions of various ladders, after the test; If loading is not up to standard; Then need repairing and reinforce the back use,, then directly use if loading is up to standard; The security of the ladder of crossing through the utility model device experiment like this, is better.
Description of drawings
Fig. 1 is the structural representation of the utility model loading test unit;
Fig. 2 is the another kind of distressed structure synoptic diagram of ladder fixed mount in the utility model loading test unit;
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 utility model 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 utility model 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 utility model, 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.
The utility model loading test unit 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 utility model 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 a kind of embodiment of the utility model; It or not whole or unique embodiment; The conversion of any equivalence that those of ordinary skills take the utility model technical scheme through reading the utility model instructions, the claim that is the utility model contains.
Claims (10)
1. the loading test unit of the insulation side of an ascending a height ladder, insulating ladder, single ladder, double ladder is characterized in that: comprise ladder fixed mount (1) and to the pressure mechanism (3) that joint is exerted pressure of stepping on of ladder, said pressure mechanism is driven by hydraulic system (5).
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 loading test unit further comprises the elevating mechanism (7) that is driven by hydraulic system.
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; It is characterized in that: said hydraulic system (5) comprises hydraulic pump (51), conduit under fluid pressure (53) and shows the hydralic pressure gauge (55) of the pressure in the conduit under fluid pressure; Said hydraulic pump (51) offers conduit under fluid pressure (53) through hydraulic pressure chamber with the hydraulic fluid in the hydraulic pump (51), and said hydraulic pump is connected with power supply.
6. the loading test unit of the insulation as claimed in claim 5 side of ascending a height ladder, insulating ladder, single ladder, double ladder; It is characterized in that: 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, and said hook portion is connected with hydraulic system (5) through piston slide bar (35).
7. 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.
8. 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.
9. the loading test unit of the insulation as claimed in claim 4 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).
10. the loading test unit of the insulation as claimed in claim 9 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 |
|---|---|---|---|
| CN2011201831926U CN202171554U (en) | 2011-06-01 | 2011-06-01 | Load tester for insulated climbing square ladders, insulated ladders, single ladders and herring bone ladders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201831926U CN202171554U (en) | 2011-06-01 | 2011-06-01 | Load tester for insulated climbing square ladders, insulated ladders, single ladders and herring bone ladders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171554U true CN202171554U (en) | 2012-03-21 |
Family
ID=45829748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201831926U Expired - Fee Related CN202171554U (en) | 2011-06-01 | 2011-06-01 | Load tester for insulated climbing square ladders, insulated ladders, single ladders and herring bone ladders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202171554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849632A (en) * | 2015-05-15 | 2015-08-19 | 国家电网公司 | Easy-to-move insulated ladder load detection device |
-
2011
- 2011-06-01 CN CN2011201831926U patent/CN202171554U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849632A (en) * | 2015-05-15 | 2015-08-19 | 国家电网公司 | Easy-to-move insulated ladder load detection device |
| CN104849632B (en) * | 2015-05-15 | 2017-10-31 | 国家电网公司 | It is a kind of to be easy to the mobile device for detecting insulating ladder load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: XIANYANG POWER SUPPLY BUREAU Effective date: 20140326 Owner name: XIANYANG POWER SUPPLY BUREAU Effective date: 20140326 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 712000 XIANYANG, SHAANXI PROVINCE TO: 100761 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140326 Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Patentee after: State Grid Corporation of China Patentee after: Xianyang Power Supply Bureau Address before: Xianyang City, Shaanxi Province, 712000 Patentee before: Xianyang Power Supply Bureau |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20170601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |