CN208122749U - A kind of liftoff locking alarm step ladder of telescopic - Google Patents
A kind of liftoff locking alarm step ladder of telescopic Download PDFInfo
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- CN208122749U CN208122749U CN201820168127.8U CN201820168127U CN208122749U CN 208122749 U CN208122749 U CN 208122749U CN 201820168127 U CN201820168127 U CN 201820168127U CN 208122749 U CN208122749 U CN 208122749U
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- locking
- liftoff
- wheel brake
- step ladder
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Abstract
The utility model provides a kind of telescopic liftoff locking alarm step ladder, is related to step ladder field, including ladder, platform, guardrail, marks time, handrail, pedestal, universal wheel, wheel brake, elevating mechanism, locking mechanism, unlocking mechanism, warning light.Elevating mechanism includes crane and threaded rod, when needing to increase the height of step ladder, just rotates threaded rod, crane is made to become elongation state from contraction state.It marks time and reequips to the first order, wheel brake works when the first order of stepping on is marked time, and the first two universal wheel is jacked up, realizes liftoff braking；After operation, unlock pedal is stepped on, ground, which is stopped, to fail, and compares common wheel brake, eliminates the usual way that left and right will step on.The switch of warning light is connected to distal end of marking time.Step on proximal end of marking time, the first order is marked time level, and wheel brake becomes lifting state by contraction state by locking mechanism, step ladder proximal end jacked up the liftoff realization locking of universal wheel, while warning light is opened.
Description
Technical field
The utility model belongs to construction and decoration clothing arts, and in particular to step ladder used in enterprise is daily.
Background technique
As increasingly prosperity, the step ladder of China's manufacturing industry are also widely used in all kinds of large, medium and small enterprises.Compared with biography
The staircase of system, step ladder it is more convenient to use and safe, there is its ample scope for abilities in all places for needing high altitude operation.
But its short slab is also increasingly prominent during use.
For example, the height of step ladder be usually it is certain, be not able to satisfy the needs of different height, brought very to routine work
It is big inconvenient, even and if existing step ladder has telescoping mechanism, it is for loading that telescoping mechanism is also mostly.
Because of the universal wheel that four supporting legs of step ladder are, when high altitude operation, is subjected to the effect of reaction force, then
Or the ground of workplace does not measure up, the phenomenon that leading to step ladder often and will appear sliding.At this moment, operative employee generally requires
Descending stair retightens step ladder, then needs other colleagues help that comes to take handle.It is time-consuming and laborious, working efficiency
It is greatly affected, can more seriously cause unexpected injury.Though and traditional wheel brake in the market may be implemented to fix, and pass
System wheel brake be not when realizing fixed it is particularly convenient, it is time-consuming and laborious.
At night or the place of dark, if step ladder at work when without warning facilities, be easy someone or vehicle
Step ladder is bumped against, to cause unexpected injury.
Utility model content
In order to overcome the height of step ladder in the prior art cannot change, universal wheel easily slides, it is time-consuming and laborious commonly to stop,
The shortcomings that without warning facilities, the utility model provide a kind of telescopic liftoff locking alarm step ladder, be arranged telescoping mechanism with
Adapt to different height；It stops automatic liftoff locking is set, safety is time saving and energy saving；Warning light is set, the work of step ladder is prompted
State.
Technical solution adopted by the utility model to solve its technical problems is：
Locking that a kind of telescopic is liftoff is alarmed step ladder, including ladder, platform, guardrail, marks time, is handrail, pedestal, universal
Wheel, wheel brake further include elevating mechanism, locking mechanism, unlocking mechanism, warning light, and what the first order was marked time marks time proximal end as activity
End, distal end of marking time are connect with base crossbeam pin shaft, and the first order is marked time horizontal by acute angle when normally carrying out, the elevating mechanism
Including crane and threaded rod, one end of crane is welded on platform base, and the other end is welded at the top of ladder, sets on crane
There is threaded hole, threaded hole and threaded rod are threadedly engaged, and crane is controlled by threaded rod and gone up and down；There are two the wheel brakes, point
It is not welded on the both ends of base crossbeam, including wheel brake pedal and unlock pedal, the locking mechanism includes that locking bar, arc prolong
Long-armed, wheel brake pedal, altogether there are two, one end of locking bar is welded on proximal end of marking time, and the other end connects arc extension arm, arc
The other end of extension arm is welded on wheel brake pedal, and the unlocking mechanism includes unlock rod, unlock pedal, the both ends of unlock rod
It being respectively welded on two unlock pedals, the switch of the warning light is connected to distal end bottom surface of marking time, step on proximal end of marking time, first
Grade is marked time level, and wheel brake becomes lifting state by contraction state by locking mechanism, by step ladder proximal end jack-up universal wheel from
Locking is realized on ground, and Simultaneous Switching is closed warning light and opens.
Locking that a kind of above-mentioned telescopic is liftoff is alarmed step ladder, the length of the locking bar be mark time proximal end to stop
2/3rds of device pedal distance.
Locking that a kind of above-mentioned telescopic is liftoff alarm step ladder, the locking bar are square steel.
Locking that a kind of above-mentioned telescopic is liftoff alarm step ladder, the unlock rod are round steel.
Locking that a kind of above-mentioned telescopic is liftoff alarm step ladder, the acute angle are 15 °.
The utility model has the beneficial effects that：The elevating mechanism of locking that this telescopic is liftoff alarm step ladder can be stretched
Contracting, to adapt to different operation heights；Wheel brake can automatic liftoff locking, more conveniently, safely, time saving, laborsaving；Locking machine
Structure compares common wheel brake, eliminates the usual way that left and right will step on；It is more laborsaving using lever principle；Equipped with police
Lamp is reported, working condition can be prompted, avoid unexpected generation.
Detailed description of the invention
Fig. 1 is that a kind of liftoff locking of telescopic of the utility model alarms step ladder not with the structural schematic diagram of wheel brake；
Fig. 2 is that a kind of liftoff locking of telescopic of the utility model alarms that step ladder not mark time and tear open by the first order with wheel brake
Solve transformation map；
Fig. 3 is a kind of liftoff locking alarm step ladder pedestal band wheel brake of telescopic of the utility model and is lifting state
Structural schematic diagram.
1. ladder in figure, 2. platforms, 3. guardrails, 4. mark time, 5. handrails, 6. pedestals, 7. universal wheels, and 8. mark time proximal end, and 9.
It marks time distally, 10. base crossbeams, 11. cranes, 12. threaded rods, 13. wheel brake pedals, 14. unlock pedals, 15. locking bars,
16. arc extension arm, 17. warning lights, 18. handles.
Specific embodiment
【Embodiment 1】
A kind of liftoff locking alarm step ladder of telescopic, including ladder 1, platform 2, guardrail 3, mark time 4, handrail 5, pedestal
6, universal wheel 7, wheel brake further include elevating mechanism, locking mechanism, unlocking mechanism, warning light 17, and described mark time has multistage, institute
Stating the proximal end 8 of marking time that the first order is marked time is movable end, and distal end 9 of marking time is connect with 10 pin shaft of base crossbeam, first when normally carrying out
Grade is marked time horizontal by acute angle, and the elevating mechanism includes crane 11 and threaded rod 12, and one end of crane 11 is welded on
2 bottom surface of platform, the other end are welded on 1 top of ladder, and crane 11 is equipped with threaded hole, and threaded hole and 12 screw thread of threaded rod are matched
It closes, crane 11 passes through the control lifting of threaded rod 12；There are two the wheel brakes, is respectively welded at the both ends of base crossbeam 10,
Including wheel brake pedal 13 and unlock pedal 14, the locking mechanism includes locking bar 15, arc extension arm 16, wheel brake pedal
13, the locking mechanism altogether there are two, one end of locking bar 15 is welded on proximal end 8 of marking time, and the other end connects arc extension arm 16,
The other end of arc extension arm 16 is welded on wheel brake pedal 13, and the unlocking mechanism includes unlock rod, unlock pedal 14, solution
The both ends of locking bar are respectively welded on two unlock pedals 14, and the switch of the warning light 17 is connected to 9 bottom surfaces of distal end of marking time, and are stepped on
Under mark time proximal end 8, the first order is marked time level, and wheel brake becomes lifting state by contraction state by locking mechanism, by step ladder
Proximal end jacks up the liftoff realization locking of universal wheel, and Simultaneous Switching is closed warning light 17 and opens.Handrail is located at two sides of marking time, in order to guarantee
The flexible of crane is not influenced, is located at ladder bottom at the top of handrail, and the bottom of handrail is welded on ladder bottom, close on guardrail
The place marked time is equipped with handle 18.
Preferably, the length of the locking bar 15 be mark time proximal end 8 arrive 13 distance of wheel brake pedal 2/3rds.
Preferably, the locking bar 15 is square steel.
Preferably, the unlock rod is round steel.
Preferably, the acute angle is 15 °.
The base crossbeam 10 of two wheel brakes and step ladder is welded and firmly installed, the size of the square steel is 1200mm
×40mm×30mm。
When the free cheek that the first order is marked time normally is carried out with 15 ° of horizontal sextant angle, with wheel brake it is chain use lever principle.
The unlock pedal 14 of two wheel brakes in left and right is welded together with the round steel of a root long 1200mm, outer diameter 10mm,
Realize bridge joint.Step ladder weight 200kg.
Guarantee welding quality, all welding carry out antirust treatment without flash, metal surface, and surface is generated without process
Foreign matter (such as welding slag, dust, metal powder), clean rear surface carries out hermetically sealed protection.
The whole operation process of lifting is：Step ladder is moved to specified workplace by operator, at this point, the first order is stepped on
15 degree of angle with horizontal plane when step is normally carried out.The utility model is marked time to the first order and is reequiped, and when stepping on, the first order is marked time
When two wheel brakes work at the same time, the first two universal wheel 7 is directly jacked up, realizes liftoff braking；When staff's high altitude operation
After, unlock pedal 14 is stepped on, ground, which is stopped, to fail, and the effect of universal wheel 7, which is realized, to be carried out.Improved wheel brake formula step ladder utilizes
Lever, transmission principle complete the locking work of step ladder during the ascending stair of operator, compare common wheel brake, save
The usual way that left and right will step on, it will more laborsaving, conveniently, efficiently.The switch of warning light 17, which is connected to, marks time far
9 bottom surfaces are held, step on proximal end 8 of marking time, the first order is marked time level, while touching warning light, and wheel brake is by locking mechanism by shrinking
State becomes lifting state, step ladder proximal end is jacked up the liftoff realization locking of universal wheel 7, while warning light 17 is opened.Simply
Say to be exactly while completing upper ladder movement, step ladder also achieves locking and opens warning light 17.Need to increase step ladder
When height, threaded rod 12 is just rotated, crane 11 is made to become elongation state from contraction state, so as to adjust height.If ascended a height
It is inconvenient that person oneself rotates threaded rod 12, and after mountaineers can be waited to get on, another staff is from marking time on 4, rotation spiral shell
Rasp bar 12 adjusts the height of step ladder.In order to laborsaving, threaded rod 12 can be connect by belt with stepper motor, allow stepper motor
Threaded rod 12 is driven to rotate.Crane 11 uses crane structure in the prior art.
The wheel brake be by step on wheel brake pedal 13 be lifted weight by universal wheel realize it is liftoff, finally fix and step on
High ladder, has better stability and durability degree.Wheel brake also uses wheel brake in the prior art.
In order to guarantee safety, when moveable step ladder (platform) is more than or equal to 2m and is less than 20m away from datum level height, guardrail
3 height should be not less than 1050mm.In conjunction with plant site reality, it is necessary to assure step ladder can be in the limited high request pipeline in workshop
Lower section can easily pass through, i.e., the height of step ladder is no more than 3500mm when crane is shunk.
Claims (5)
- The step ladder 1. locking that a kind of telescopic is liftoff is alarmed, including ladder, platform, guardrail, mark time, is handrail, pedestal, universal Wheel, wheel brake, which is characterized in that further include elevating mechanism, locking mechanism, unlocking mechanism, warning light, what the first order was marked time marks time Proximal end is movable end, and distal end of marking time is connect with base crossbeam pin shaft, and the first order is marked time horizontal by acute angle, institute when normally carrying out Stating elevating mechanism includes crane and threaded rod, and one end of crane is welded on platform base, and the other end is welded at the top of ladder, Crane is equipped with threaded hole, and threaded hole and threaded rod are threadedly engaged, and crane is controlled by threaded rod and gone up and down；The wheel brake There are two, it is respectively welded at the both ends of base crossbeam, including wheel brake pedal and unlock pedal, the locking mechanism includes locking Bar, arc extension arm, wheel brake pedal, altogether there are two, one end of locking bar is welded on proximal end of marking time, and other end connection arc prolongs Long-armed, the other end of arc extension arm is welded on wheel brake pedal, and the unlocking mechanism includes unlock rod, unlock pedal, solution The both ends of locking bar are respectively welded on two unlock pedals, and the switch of the warning light is connected to distal end bottom surface of marking time, and steps on and steps on Proximal end is walked, the first order is marked time level, and wheel brake becomes lifting state by contraction state by locking mechanism, step ladder proximal end is pushed up The liftoff realization locking of universal wheel is played, Simultaneous Switching is closed warning light and opens.
- The step ladder 2. the liftoff locking of a kind of telescopic according to claim 1 is alarmed, which is characterized in that the locking bar Length be to mark time proximal end to 2/3rds of wheel brake pedal distance.
- The step ladder 3. the liftoff locking of a kind of telescopic according to claim 1 is alarmed, which is characterized in that the locking bar For square steel.
- The step ladder 4. the liftoff locking of a kind of telescopic according to claim 1 is alarmed, which is characterized in that the unlock rod For round steel.
- The step ladder 5. locking that a kind of telescopic according to claim 1 is liftoff is alarmed, which is characterized in that the acute angle is 15°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820168127.8U CN208122749U (en) | 2018-01-31 | 2018-01-31 | A kind of liftoff locking alarm step ladder of telescopic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820168127.8U CN208122749U (en) | 2018-01-31 | 2018-01-31 | A kind of liftoff locking alarm step ladder of telescopic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208122749U true CN208122749U (en) | 2018-11-20 |
Family
ID=64206588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820168127.8U Active CN208122749U (en) | 2018-01-31 | 2018-01-31 | A kind of liftoff locking alarm step ladder of telescopic |
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| Country | Link |
|---|---|
| CN (1) | CN208122749U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080675A (en) * | 2019-05-29 | 2019-08-02 | 常石集团（舟山）造船有限公司 | A kind of removable floor-type step ladder peculiar to vessel |
| CN111634316A (en) * | 2019-11-25 | 2020-09-08 | 苏州罗克韦尔机械设备有限公司 | Walking climbing car with hoisting mechanism |
| CN111910855A (en) * | 2020-08-08 | 2020-11-10 | 江苏新盈装配建筑科技有限公司 | Assembled stair for building |
-
2018
- 2018-01-31 CN CN201820168127.8U patent/CN208122749U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080675A (en) * | 2019-05-29 | 2019-08-02 | 常石集团（舟山）造船有限公司 | A kind of removable floor-type step ladder peculiar to vessel |
| CN111634316A (en) * | 2019-11-25 | 2020-09-08 | 苏州罗克韦尔机械设备有限公司 | Walking climbing car with hoisting mechanism |
| CN111910855A (en) * | 2020-08-08 | 2020-11-10 | 江苏新盈装配建筑科技有限公司 | Assembled stair for building |
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