CN203570189U - Ladder capable of improving security of operator - Google Patents
Ladder capable of improving security of operator Download PDFInfo
- Publication number
- CN203570189U CN203570189U CN201320747670.0U CN201320747670U CN203570189U CN 203570189 U CN203570189 U CN 203570189U CN 201320747670 U CN201320747670 U CN 201320747670U CN 203570189 U CN203570189 U CN 203570189U
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- Prior art keywords
- ladder
- fixed head
- sidewall
- pin
- hole
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- Expired - Lifetime
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- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a ladder capable of improving security of an operator. The ladder comprises a ladder A and a ladder B, wherein a hinge assembly is arranged between the ladder A and the ladder B, the hinge assembly is synchronously connected to the ladder A and the ladder B, the ladder A and the ladder B can rotate around the hinge assembly, one ends of fixing plates are welded on the sidewall of the ladder A or the ladder B, the other ends of the fixing plates are arranged outside the ladder A or the ladder B, a ladder C is arranged between the fixing plates, the sidewall of the ladder C is in contact with the fixing plates, the ladder C can slide between the fixing plates along the axis of the ladder A or the ladder B, locking devices are arranged between the fixing plates and the ladder C, and the locking devices synchronously penetrate through the fixing plates and the ladder C; a hook is arranged at the top end of the ladder C. The hook is arranged at the top end of the ladder C, so that three-way location can be carried out on the ground, the sidewall and the top, the locating effect is stable, and the security of the operator is improved.
Description
Technical field
The utility model relates to a kind of ladder, especially relates to a kind of ladder that can improve operator safety, belongs to power equipment maintaining equipment.
Background technology
Electric power is the energy using electric energy as power.Invented in the 70's of 19th century, the invention of electric power and application have started industrialization climax for the second time.Since becoming 18th century of human history, one of three scientific and technological revolutions that the world occurs, from then on science and technology has changed people's life.The large-scale electrical power system that 20th century occurred is one of most important achievement in the human engineering history of science, the electrical production and the consume system that links such as generating, transmission of electricity, power transformation, distribution and electricity consumptions, consist of.It changes into electric power by natural primary energy by generation power device, then supplies power to each user through transmission of electricity, power transformation and distribution.Power equipment generally need to carry out regular maintenance, and power equipment is of a great variety, the position difference of the height of self and installation, maintenance personal is when keeping in repair, all need to carry ladder as instrument, be convenient to climbing or the operating position of standing, and traditional ladder is only to rely on bottom surface or sidewall to rely on object to realize the location to ladder when work, the ladder of this structure on ground or sidewall rely on thing when very smooth, just exist locate failure, the superincumbent operating personnel that cause standing easily fall down, and have very large potential safety hazard.
Utility model content
It is only to rely on bottom surface and sidewall to exist the problem of locate failure that the purpose of this utility model is to overcome existing ladder, designed a kind of ladder that can improve operator safety, this ladder arranges hook on top, by ground, sidewall and top, carry out Three-bearing location, the effect stability of location, has improved operating personnel's safety.
The purpose of this utility model is achieved through the following technical solutions: a kind of ladder that can improve operator safety, comprise ladder one and ladder two that two-stage structure is identical, between described ladder one and ladder two, be provided with articulated mounting, articulated mounting is connected with the top of ladder one and the top of ladder two simultaneously, and ladder one and ladder two all can rotate around articulated mounting, on the sidewall of ladder one or ladder two, be welded with fixed head, fixed head one end is welded on the sidewall of ladder one or ladder two and the other end is arranged on the outside of ladder one or ladder two, between fixed head, be provided with ladder three, the sidewall of ladder three contacts with fixed head, ladder three can slide by the axis along ladder one or ladder two between fixed head, between fixed head and ladder three, be provided with locking device, and locking device is simultaneously through fixed head and ladder three, the top of described ladder three is provided with hook, links up with curved structure, and hook one end is welded on the top of ladder three, and the other end is towards the bottom of ladder three.By the position of ladder, be fixedly to rely on wall or miscellaneous part by bottom surface and sidewall, forming triangle with ladder positions, in power equipment maintaining, after operating personnel stand on ladder, the amplitude of oscillation of health etc. during due to the weight of the instrument carrying or maintenance, easily cause the movement of ladder position, especially on rainy day etc., cause ground or wall wet and slippery in the situation that, ladder just moves and brings potential safety hazard to operating personnel, in order to prevent the appearance of this situation, top at ladder arranges hook, utilize the warp architecture of hook to fix, again by the cooperation of bottom surface and sidewall, ladder can not be moved in above-mentioned situation, guarantee maintenance personal's safety.
Described locking device comprises bearing pin, is provided with several pin-and-holes on fixed head, and the line between pin-and-hole is parallel with the center line of ladder one or ladder two, and the two ends of bearing pin are separately positioned in the sidewall of pin-and-hole and ladder three.In order to increase the length of ladder and the layout of convenient hook, we are being designed to extension ladder by ladder, and extension ladder position is fixedly to coordinate by pin-and-hole and bearing pin, flexible length depends on the needs of working depth, so the quantity of pin-and-hole is several, generally preferably six, and the distance between adjacent pin-and-hole equates, six pin-and-holes can either be realized ladder three fixing on ladder one or ladder two, also meet the adjustment of ladder three distance of stretch out and draw backs, and the stress of fixed head also meets the demands simultaneously.
Between described ladder one and ladder two, be provided with positioner, the two ends of positioner are connected with ladder one and ladder two respectively, and positioner is arranged on articulated mounting below, described positioner comprises the location-plate of strip, on location-plate, be provided with several through holes, wherein in two through holes, be provided with bolt, bolt one end is fixed in corresponding ladder one and ladder two through after through hole, after ladder one and ladder two rotate around articulated mounting, after an applicable angle is stopped, under nature, the power of bearing is limited, exist the problem that angle can not be fixing, and Design Orientation device, ladder one and ladder two are fixed by positioning device, angle between them is fixed, operating personnel stand on ladder and just can not feel and rock like this, the angle difference of rotating, but positioner all will be realized fastness function, just need to arrange multiple through holes be convenient to bolt select through, generally preferably five, the line of five through holes is consistent with the length direction of location-plate, distance between adjacent through-holes equates.Five through holes can be realized the requirement to angular range, and guarantee that the intensity of location-plate reaches requirement.
In sum, the beneficial effects of the utility model are: this ladder arranges hook on top, by ground, sidewall and top, carry out Three-bearing location, the effect stability of location, improve operating personnel's safety, and between ladder one and ladder two, positioner has been set, by positioner, determined the angle between ladder one and ladder two, and positioner can be adjusted, expand the angular range between ladder one and ladder two.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding component title in accompanying drawing: 1-antiskid plate; 2-bolt; 3-ladder three; 4-hook; 5-articulated mounting; 6-bearing pin; 7-pin-and-hole; 8-location-plate; 9-through hole; 10-ladder two; 11-fixed head; 12-ladder one; 13-adapter sleeve.
the specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.
Embodiment 1:
As shown in Figure 1, a kind of ladder that can improve operator safety, comprise ladder 1 and ladder 2 10 that two-stage structure is identical, between described ladder 1 and ladder 2 10, be provided with articulated mounting 5, articulated mounting 5 is connected with the top of ladder 1 and the top of ladder 2 10 simultaneously, and ladder 1 and ladder 2 10 all can rotate around articulated mounting 5, on the sidewall of ladder 1 or ladder 2 10, be welded with fixed head 11, fixed head 11 one end are welded on the sidewall of ladder 1 or ladder 2 10 and the other end is arranged on the outside of ladder 1 or ladder 2 10, between fixed head 11, be provided with ladder 33, the sidewall of ladder 33 contacts with fixed head 11, ladder 33 can slide by the axis along ladder 1 or ladder 2 10 between fixed head 11, between fixed head 11 and ladder 33, be provided with locking device, and locking device is simultaneously through fixed head 11 and ladder 33, the top of described ladder 33 is provided with hook 4, hook 4 curved structures, and hook 4 one end are welded on the top of ladder 33, and the other end is towards the bottom of ladder 33.Ladder 33 is to slide on ladder 1 or ladder 2 10, stretching of ladder 33 moved along the center line of ladder 1 or ladder 2 10 between fixed head 11, stretch after correct position, utilize the position between locking device locking ladder 33 and fixed head 11, the hook on the top by ladder 33 catches on cylindrical part outer wall again, bottom and the ground of ladder are fixed, sidewall relies on wall, realize three location, guaranteed the fixing of ladder position, operating personnel stand on safer above.Simultaneously increase the contact area on ladder and ground, bottom at ladder 1 or ladder 2 10 arranges antiskid plate 1, antiskid plate 1 is connected by adapter sleeve 13 with ladder 1 and ladder 2 10, antiskid plate 1 itself has antiskid function, and area is large, ladder is more stable with the contacting of ground like this.
Embodiment 2:
Described locking device comprises bearing pin 6, on fixed head 11, be provided with six pin-and-holes 7, distance between adjacent pin-and-hole 7 is equal, and the line between pin-and-hole 7 is parallel with the center line of ladder 1 or ladder 2 10, and the two ends of bearing pin 6 are separately positioned in the sidewall of pin-and-hole 7 and ladder 33.To between ladder 33 and fixed head 11, by bearing pin 6, be connected, utilize bearing pin 6 as locked position, need in two pin-and-holes 7, bearing pin 6 be all set at least one times, between ladder 33 and fixed head 11, position locking effect is better like this.Adopt bearing pin 6 as locking device, locking effective, and extract that to change flexible situation also convenient.
Embodiment 3:
Between described ladder 1 and ladder 2 10, be provided with positioner, the two ends of positioner are connected with ladder 1 and ladder 2 10 respectively, and positioner is arranged on articulated mounting 5 belows; Described positioner comprises the location-plate 8 of strip, on location-plate 8, be provided with five through holes 9, the line of five through holes 9 is consistent with the length direction of location-plate, distance between adjacent through-holes 9 equates, wherein in two through holes 9, be provided with bolt 2, bolt 2 one end are fixed in corresponding ladder 1 and ladder 2 10 through after through hole 9.Articulated mounting 5 major parts are rotate as ladder 1 and ladder 2 10 hinged, its fixed effect is poor, the simple articulated mounting 5 that relies on is as fixing, bearing the weight rate of exchange when large, easily cause ladder 1 and ladder 2 10 to relatively move, for this reason, specialized designs positioner, positioner is that location-plate 8 by strip is as main device, the through hole 9 that utilization arranges on location-plate 8, through hole 9 correspondences are in ladder 1 and ladder 2 10, and fixing by bolt 2, realization by ladder 1 and ladder 2 10 by the connection of location-plate, form overall structure, like this, angle between ladder 1 and ladder 2 10 can realize fixing, operating personnel stand on ladder safer.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any simple modification, equivalent variations that every foundation technology of the present utility model, method are done above embodiment in fact, within all falling into protection domain of the present utility model.
Claims (6)
1. one kind can be improved the ladder of operator safety, it is characterized in that: comprise ladder one (12) and ladder two (10) that two-stage structure is identical, between described ladder one (12) and ladder two (10), be provided with articulated mounting (5), articulated mounting (5) is connected with the top of ladder one (12) and the top of ladder two (10) simultaneously, and ladder one (12) and ladder two (10) all can rotate around articulated mounting (5), on the sidewall of ladder one (12) or ladder two (10), be welded with fixed head (11), fixed head (11) one end is welded on the sidewall of ladder one (12) or ladder two (10) and the other end is arranged on the outside of ladder one (12) or ladder two (10), between fixed head (11), be provided with ladder three (3), the sidewall of ladder three (3) contacts with fixed head (11), ladder three (3) can slide by the axis along ladder one (12) or ladder two (10) between fixed head (11), between fixed head (11) and ladder three (3), be provided with locking device, and locking device is simultaneously through fixed head (11) and ladder three (3), the top of described ladder three (3) is provided with hook (4), hook (4) curved structure, and hook (4) one end is welded on the top of ladder three (3), and the other end is towards the bottom of ladder three (3).
2. a kind of ladder that can improve operator safety according to claim 1, it is characterized in that: described locking device comprises bearing pin (6), on fixed head (11), be provided with several pin-and-holes (7), line between pin-and-hole (7) is parallel with the center line of ladder one (12) or ladder two (10), and the two ends of bearing pin (6) are separately positioned in the sidewall of pin-and-hole (7) and ladder three (3).
3. a kind of ladder that can improve operator safety according to claim 2, is characterized in that: the quantity of described pin-and-hole (7) is six, and the distance between adjacent pin-and-hole (7) equates.
4. a kind of ladder that can improve operator safety according to claim 1, it is characterized in that: between described ladder one (12) and ladder two (10), be provided with positioner, the two ends of positioner are connected with ladder one (12) and ladder two (10) respectively, and positioner is arranged on articulated mounting (5) below.
5. a kind of ladder that can improve operator safety according to claim 4, it is characterized in that: described positioner comprises the location-plate (8) of strip, on location-plate (8), be provided with several through holes (9), wherein in two through holes (9), be provided with bolt (2), bolt (2) one end is fixed in corresponding ladder one (12) and ladder two (10) through after through hole (9).
6. a kind of ladder that can improve operator safety according to claim 5, it is characterized in that: the quantity of described through hole (9) is five, the line of five through holes (9) is consistent with the length direction of location-plate, and the distance between adjacent through-holes (9) equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747670.0U CN203570189U (en) | 2013-11-25 | 2013-11-25 | Ladder capable of improving security of operator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747670.0U CN203570189U (en) | 2013-11-25 | 2013-11-25 | Ladder capable of improving security of operator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570189U true CN203570189U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320747670.0U Expired - Lifetime CN203570189U (en) | 2013-11-25 | 2013-11-25 | Ladder capable of improving security of operator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570189U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI557310B (en) * | 2014-12-29 | 2016-11-11 | Can increase the stability of the safety of the ladder | |
| CN107345474A (en) * | 2016-05-06 | 2017-11-14 | 国网辽宁省电力有限公司丹东供电公司 | Folding ladder for power transmission circuit outgoing line operation |
| CN107762392A (en) * | 2017-11-20 | 2018-03-06 | 周萍 | A kind of almag double ladder |
-
2013
- 2013-11-25 CN CN201320747670.0U patent/CN203570189U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI557310B (en) * | 2014-12-29 | 2016-11-11 | Can increase the stability of the safety of the ladder | |
| CN107345474A (en) * | 2016-05-06 | 2017-11-14 | 国网辽宁省电力有限公司丹东供电公司 | Folding ladder for power transmission circuit outgoing line operation |
| CN107762392A (en) * | 2017-11-20 | 2018-03-06 | 周萍 | A kind of almag double ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |