CN102011544A - Multi-purpose safety belt fixed step stool frame - Google Patents
Multi-purpose safety belt fixed step stool frame Download PDFInfo
- Publication number
- CN102011544A CN102011544A CN2010105629806A CN201010562980A CN102011544A CN 102011544 A CN102011544 A CN 102011544A CN 2010105629806 A CN2010105629806 A CN 2010105629806A CN 201010562980 A CN201010562980 A CN 201010562980A CN 102011544 A CN102011544 A CN 102011544A
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- China
- Prior art keywords
- step stool
- hinge
- shaped
- plate
- frame
- 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
- 241000498255 Enterobius vermicularis Species 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 239000004677 Nylon Substances 0.000 abstract description 2
- 229920001778 nylon Polymers 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000012212 insulator Substances 0.000 description 5
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Abstract
The invention relates to a multi-purpose safety belt fixed step stool frame, a step frame comprises step legs which are in mirror symmetry and support each other and cross bars which are uniformly distributed between the step legs, and the innovation points are as follows: (1) a U-shaped fixed foot plate is respectively horizontally hinged between ground feet at the lower end of each step leg, and the opening of each U-shaped fixed foot plate is outward; and (2) step stool components are respectively hinged on the outer sides of the two step legs on the same side in the same direction, each step stool component comprises a universal hinge seat, a step stool pedal plate and a step stool vertical plate, the inner ends of the step stool pedal plates are hinged on the step legs through the universal hinge seats, the outer ends of the step stool pedal plates are hinged with the step stool vertical plates through hinge seats, and openings in the same direction with the U-shaped fixed foot plates are arranged at the lower ends of the step stool vertical plates. The whole multi-purpose safety belt fixed step stool frame is made of a high-strength nylon insulating material and light-weight super-hard aluminum, the step frame is designed to be lighter, convenient to carry, good in safety and in line with ergonomic requirement, and the multi-purpose safety belt fixed step stool frame can not only meet the related work of high-voltage testing, but also be used by part of electric power maintenance staff when 110KV and 35KV knife gates are maintained.
Description
Technical field
The invention belongs to power domain, relate to the work about electric power instrument, especially a kind of multipurpose safety band is the step stool frame fixedly.
Background technology
When carrying out 110kV, the test of 35kV Zinc-Oxide Arrester, the arrester of need dismantling once goes between.Because the scene is comparatively narrow, can not use bucket arm vehicle sometimes, testing crew can only be climbed up and be torn head work on the arrester framework high more than 2 meters open.It is higher to tear a position open, and the staff generally need fill up tiptoe could carry out work reluctantly, carries out work on the slightly shorter insulating stand that will stand in arrester of height, and simultaneously, staff's safety belt can be safety belt can only be tied up on the insulator of arrester nowhere.
Stipulate according to " safety " 15.1.8, the hook of safety belt or rope should hang on the solid firm member, or aim on the wire rope that safety belt uses, and should adopt high mode of hanging low usefulness, forbid hanging on mobile or the unstable object (as isolating switch (disconnecting link) support insulator, CVT insulator, bus support insulator, arrester support insulator etc.).The Tianjin Power Company is given birth to skill portion and has early been issued notice at the cleaning and the experiment work of arrester several years ago, emphasize in view of arrester horizontal shear force minimum in all primary equipments, therefore, forbid to climb, forbid yi shaped ladder to rest on the arrester device and carry out various work on one's body.
Yet the other places has taken place a lot ofly to go up and the porcelain insulation takes place rupturing to fall and cause personnel death's incident owing to safety belt being tied up to porcelain insulation.Domestic also do not have comparatively ideal seat-belt anchorage at present, and electric power worker's the personal safety and the production safety of enterprise in the existence of above-mentioned potential safety hazard, serious threat.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, providing a kind of is the fixing step stool frame of multipurpose safety band of hanging safety belt.
The present invention realizes that the technical scheme of purpose is as follows:
A kind of multipurpose safety band is the step stool frame fixedly, described step stool frame is folding herringbone ladder, the herringbone ladder is made of terraced leg and the uniform therebetween whippletree that the mirror image symmetry supports mutually, adopt hinge to be hinged with top hinge plate on the top of terraced leg, between the hinge plate of top, install top rail, it is characterized in that:
(1) equal level hinge is adorned fixedly sole of a U-shaped between the lower margin of each terraced leg lower end, fixedly the sole opening is outside for this U-shaped, by lower margin hinge and terraced leg hinge dress, two U-shapeds fixedly the equal level in the axis position between the sole one flexible leading screw is installed, the outer end of these two flexible leading screws coaxial with U-shaped fixedly sole connect hinge dress, the inner end is all meshed and is installed in the screw plate;
(2) adorn a step stool assembly in two terraced leg outer side hinges of phase the same side, this step stool assembly is made of universal free bearing, step stool riding boogie board, step stool riser, the inner end of step stool riding boogie board is contained on the terraced leg by universal free bearing hinge, the outer end of step stool riding boogie board is by hinge free bearing hinge dress step stool riser, and the lower end of step stool riser is shaped on and the fixing opening of sole equidirectional of U-shaped.
And, on the bottom surface of the step stool riding boogie board of described step stool assembly a worm screw being installed, the end of this worm screw is equipped with a handgrip; Adopt junction plate and universal free bearing hinge dress in the bottom surface position of step stool riding boogie board, the leading section of this junction plate fixedly mounts a worm gear by bearing pin, and step stool riding boogie board hinge is contained on this bearing pin worm gear and worm engaging.
And, all adorn a hinge plate in the outside, two lower ends of side ladder leg by lower margin hinge hinge, a hook is installed by the ingot fastening bolt in the lower end of this hinge plate, is shaped on an oval slotted hole on the hinge plate.
The present invention has following characteristics:
1, the present invention is made of folding herringbone ladder and step stool assembly, in order to guarantee the stability of ladder, radially install at the ground, two lower ends of ladder footing and to install fixedly sole of U-shaped, these two U-shapeds fixedly the sole opening outwardly, but setting-in is gone on the channel-section steel of framework; Between two U-shaped plates by flexible leading screw with can make cooperating of screw plate two U-shaped plates securely setting-in go in the channel-section steel of both sides, make ladder stable, safe, reliable thus, can be hanging safety belt on end floor beam on the ladder, not only meet the associated safety standard of power domain.
2, step stool frame of the present invention is opened also and can be become yi shaped ladder, utilize U-shaped fixedly an end of sole embed on the waist of channel-section steel, hang and fix this ladder safety is convenient up and down from framework for the staff; Adopt leading screw screw mode, lateral separation is adjustable between two lower margins, and the scope of application is wide.
3, the present invention is equipped with the step stool assembly at a side of terraced leg, after this step stool assembly launches can with the U-shaped of terraced leg fixedly the same setting-in of sole go in the channel-section steel of framework, not only strengthened the intensity of step stool frame, simultaneously the staff stands on the 200 millimeters high step stool riding boogie board, has also solved height problem.
4, integral body of the present invention selects for use high-strength nylon insulation materials and lightweight superduralumin to make, make step stool set up the lighter and handier of meter, be easy to carry, safety is good, meet the ergonomics requirement, when satisfying the high-potting related work, can solve also that part electric power overhaul personnel overhaul 110kV, 35kV uses during disconnecting link.
Description of drawings
Fig. 1 is structural front view of the present invention (signal of step stool assembly);
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view;
Fig. 3 is the left view (the step stool assembly is in running order) of Fig. 1;
Fig. 4 looks enlarged drawing for the step stool assembly right side of Fig. 3;
Fig. 5 overlooks enlarged drawing for the step stool assembly of Fig. 3;
Fig. 6 is the step stool riser expanded view of Fig. 5;
Fig. 7 is the rear elevation of Fig. 6;
Fig. 8 is the expansion schematic diagram of two terraced legs of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of multipurpose safety band is the step stool frame fixedly, be folding herringbone ladder, the herringbone ladder is made of terraced leg 3 and the uniform therebetween whippletree 14 that the mirror image symmetry supports mutually, adopts hinge 2 to be hinged with top hinge plate 1 on the top of terraced leg, installs top rail 13 between this top hinge plate.
Innovative point of the present invention is:
(1) between the lower margin of each terraced leg lower end all the level hinge adorn fixedly sole 6 of a U-shaped, fixedly the sole opening is outside for this U-shaped, cuts with scissors with terraced leg by lower margin hinge 12 and adorns, this U-shaped fixedly sole also can be used as a ladder of step stool frame.Two U-shapeds fixedly the equal level in the axis position between the sole one flexible leading screw 7 is installed, the outer end of these two flexible leading screws coaxial with U-shaped fixedly sole connect hinge dress, the inner end is all meshed and is installed in the screw plate 8, realizes thus rotating the screw plate, can regulate the lateral separation between the terraced leg.With two U-shapeds fixedly two made outside opening setting-ins of sole go on the channel-section steel of framework, can realize by rotation screw plate can with the U-shaped of step stool frame fixedly sole securely setting-in go in the channel-section steel of both sides the fixedly purpose of step stool frame; Can hanging safety belt on the top rail of ladder, to meet the associated safety standard of power domain.
(2) all adorn a hinge plate 9 in the outside, two lower ends of side ladder leg by lower margin hinge hinge, a hook 10 is installed by ingot fastening bolt 11 in the lower end of this hinge plate, be shaped on an oval slotted hole on the hinge plate, can regulate the relative displacement of hinge plate and hook, promptly regulate the extension elongation of hook, and it is fastening to adopt the ingot fastening bolt to position.
(3) two terraced leg outer sides in phase the same side all cut with scissors in the same way and adorn a step stool assembly 4, this step stool assembly is referring to Fig. 3,4,5,6,7, constitute by universal free bearing 15, step stool riding boogie board 17, step stool riser 19, the inner end of step stool riding boogie board is contained on the terraced leg by universal free bearing hinge, the outer end of step stool riding boogie board is by hinge free bearing 18 hinge dress step stool risers, the lower end of step stool riser is shaped on and the fixing opening 20 of sole equidirectional of U-shaped, when construction operation, the opening of step stool riser and the U-shaped fixedly opening of sole can be inlaid on the channel-section steel of framework jointly.For step stool riser and the framework channel-section steel of being fixedly clamped, a worm screw 23 is installed on the bottom surface of step stool riding boogie board, the end of this worm screw is equipped with a handgrip 16; Adopt junction plate 21 and universal free bearing hinge dress in the bottom surface position of step stool riding boogie board, the leading section of this junction plate fixedly mounts a worm gear 22 by bearing pin, and step stool riding boogie board hinge is contained on this bearing pin worm gear and worm engaging.So, rotation by handgrip, the worm engaging worm gear, because worm gear is fixing with junction plate, the step stool riding boogie board is that hinge is contained on the bearing pin, and therefore, it is the fan-shaped rotation of axle with the bearing pin that the rotation of worm gear makes the step stool riding boogie board, the tight setting-in of the made opening of step stool riser is fixed on the channel-section steel of framework, reaches fixedly riding boogie board, the stable purpose of enhancing step stool frame.The setting of step stool riding boogie board has also solved the problem of staff's working depth discomfort.
The universal free bearing of step stool assembly can make the step stool riding boogie board realize the rotation of 180 degree, and step stool riding boogie board and step stool riser are hinge hinge dress, and be collapsible each other, can realize the folding applying of step stool assembly on terraced leg thus, and can adopt bolt and rope to bind.
Step stool frame of the present invention is deployable, and two hooks of side ladder leg can be mounted on the fixture, form the yi shaped ladder function; In addition, also collapsible and wiping positions with the reference column 5 between the kicking, is convenient for carrying.
Bolt, connector riveted joint mode are all adopted in installation between each parts of the present invention.
Claims (3)
1. the fixing step stool frame of a multipurpose safety band, described step stool frame is folding herringbone ladder, the herringbone ladder is made of terraced leg and the uniform therebetween whippletree that the mirror image symmetry supports mutually, adopt hinge to be hinged with top hinge plate on the top of terraced leg, between the hinge plate of top, install top rail, it is characterized in that:
(1) equal level hinge is adorned fixedly sole of a U-shaped between the lower margin of each terraced leg lower end, fixedly the sole opening is outside for this U-shaped, by lower margin hinge and terraced leg hinge dress, two U-shapeds fixedly the equal level in the axis position between the sole one flexible leading screw is installed, the outer end of these two flexible leading screws coaxial with U-shaped fixedly sole connect hinge dress, the inner end is all meshed and is installed in the screw plate;
(2) two terraced leg outer sides in phase the same side all cut with scissors in the same way and adorn a step stool assembly, this step stool assembly is made of universal free bearing, step stool riding boogie board, step stool riser, the inner end of step stool riding boogie board is contained on the terraced leg by universal free bearing hinge, the outer end of step stool riding boogie board is by hinge free bearing hinge dress step stool riser, and the lower end of step stool riser is shaped on and the fixing opening of sole equidirectional of U-shaped.
2. multipurpose safety band according to claim 1 is the step stool frame fixedly, it is characterized in that: on the bottom surface of the step stool riding boogie board of described step stool assembly a worm screw is installed, the end of this worm screw is equipped with a handgrip; Adopt junction plate and universal free bearing hinge dress in the bottom surface position of step stool riding boogie board, the leading section of this junction plate fixedly mounts a worm gear by bearing pin, and step stool riding boogie board hinge is contained on this bearing pin worm gear and worm engaging.
3. multipurpose safety band according to claim 1 is the step stool frame fixedly, it is characterized in that: a hinge plate is all adorned by lower margin hinge hinge in the outside, two lower ends at side ladder leg, a hook is installed by the ingot fastening bolt in the lower end of this hinge plate, is shaped on an oval slotted hole on the hinge plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010562980.6A CN102011544B (en) | 2010-11-29 | 2010-11-29 | Multi-purpose safety belt fixed step stool frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010562980.6A CN102011544B (en) | 2010-11-29 | 2010-11-29 | Multi-purpose safety belt fixed step stool frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011544A true CN102011544A (en) | 2011-04-13 |
| CN102011544B CN102011544B (en) | 2014-07-30 |
Family
ID=43841854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010562980.6A Active CN102011544B (en) | 2010-11-29 | 2010-11-29 | Multi-purpose safety belt fixed step stool frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102011544B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615188A (en) * | 2013-11-27 | 2014-03-05 | 中国航空工业集团公司西安飞机设计研究所 | Multi-purpose working ladder |
| CN106253109A (en) * | 2016-09-14 | 2016-12-21 | 国网天津市电力公司 | A kind of spark gap checking experiment tears top security platform open |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2852740B1 (en) * | 1997-07-18 | 1999-02-03 | 大喜商事株式会社 | Stepladder with fall prevention function |
| JP2890117B2 (en) * | 1997-01-06 | 1999-05-10 | 大喜商事株式会社 | Fall prevention stepladder with safety device |
| CN2554327Y (en) * | 2002-08-01 | 2003-06-04 | 湖北西电电气设备有限公司 | Portable multifunction insulation ladder |
| JP2007177452A (en) * | 2005-12-27 | 2007-07-12 | Alinco Inc | Tripod step ladder |
| CN101026291A (en) * | 2007-03-16 | 2007-08-29 | 辽宁省电力有限公司鞍山供电公司 | Foldable synthetic insulator special ladder |
| CN201412057Y (en) * | 2009-04-22 | 2010-02-24 | 张明祥 | Portable electric tool ladder |
| CN201554361U (en) * | 2009-12-04 | 2010-08-18 | 朱龙英 | Multifunctional combined-type herringbone ladder |
| CN201874444U (en) * | 2010-11-29 | 2011-06-22 | 天津市电力公司 | Multipurpose safety-belt fixed ladder-stool frame |
-
2010
- 2010-11-29 CN CN201010562980.6A patent/CN102011544B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2890117B2 (en) * | 1997-01-06 | 1999-05-10 | 大喜商事株式会社 | Fall prevention stepladder with safety device |
| JP2852740B1 (en) * | 1997-07-18 | 1999-02-03 | 大喜商事株式会社 | Stepladder with fall prevention function |
| CN2554327Y (en) * | 2002-08-01 | 2003-06-04 | 湖北西电电气设备有限公司 | Portable multifunction insulation ladder |
| JP2007177452A (en) * | 2005-12-27 | 2007-07-12 | Alinco Inc | Tripod step ladder |
| CN101026291A (en) * | 2007-03-16 | 2007-08-29 | 辽宁省电力有限公司鞍山供电公司 | Foldable synthetic insulator special ladder |
| CN201412057Y (en) * | 2009-04-22 | 2010-02-24 | 张明祥 | Portable electric tool ladder |
| CN201554361U (en) * | 2009-12-04 | 2010-08-18 | 朱龙英 | Multifunctional combined-type herringbone ladder |
| CN201874444U (en) * | 2010-11-29 | 2011-06-22 | 天津市电力公司 | Multipurpose safety-belt fixed ladder-stool frame |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615188A (en) * | 2013-11-27 | 2014-03-05 | 中国航空工业集团公司西安飞机设计研究所 | Multi-purpose working ladder |
| CN103615188B (en) * | 2013-11-27 | 2015-12-02 | 中国航空工业集团公司西安飞机设计研究所 | A kind of multipurpose working stand |
| CN106253109A (en) * | 2016-09-14 | 2016-12-21 | 国网天津市电力公司 | A kind of spark gap checking experiment tears top security platform open |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102011544B (en) | 2014-07-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121122 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121122 Address after: 300010 Tianjin city Hebei District Wujing Road No. 39 Applicant after: Tianjin Electric Power Corp. Applicant after: State Grid Corporation of China Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Applicant before: Tianjin Electric Power Corp. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |