CN102966302A - Mistaken-climbing preventing ladder stand - Google Patents
Mistaken-climbing preventing ladder stand Download PDFInfo
- Publication number
- CN102966302A CN102966302A CN201210434858XA CN201210434858A CN102966302A CN 102966302 A CN102966302 A CN 102966302A CN 201210434858X A CN201210434858X A CN 201210434858XA CN 201210434858 A CN201210434858 A CN 201210434858A CN 102966302 A CN102966302 A CN 102966302A
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- China
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- lifting gear
- inner lifting
- cat ladder
- described inner
- outer tube
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Abstract
The invention discloses a mistaken-climbing preventing ladder stand. The mistaken-climbing preventing ladder stand comprises multiple foot pins, an outer pipe and an internal lifting device, wherein the internal lifting device is provided with an internal lifting device driving mechanism and is arranged inside the outer pipe, multiple pipe wall openings are arranged on the wall of the outer pipe, one ends of the foot pins are arranged in the pipe wall openings and are connected with the internal lifting device through dowels, the outer pipe and the internal lifting device relatively move up and down, and the foot pins rotate around the dowels under the action of per se gravity. Through the mode, the inclined angles of the foot pins can be conveniently changed, thus the using state of the mistaken-climbing preventing ladder stand provided by the invention is changed, when the foot pins are downwards inclined, the ladder stand is at the unclimbable state to prevent irrelevant personnel from climbing at random, and therefore, the mistaken-climbing preventing ladder stand provides safety protective measures, can reduce the occurrence of security accidents and is simple in structure and convenient to operate.
Description
Technical field
The present invention relates to the anti-error cat ladder that uses in a kind of ascend operation.
Background technology
In ascend operation, can use the cat ladder of climbing usefulness, the cat ladder of using under different ascend operation ambient conditionss is also different, such as the power tower cat ladder, the communications tower cat ladder, the kinds such as advertising tower cat ladder, but existing these cat ladders all are fixing open types, it all is fixing a kind of climbing state, cat ladder is in open climbed from state all the time, irrelevant staff also can arbitrarily be climbed, comprise that some are without the children of behavior cognitive ability, the population at risks such as psychiatric patient or mental disease patient can climb, bring hidden danger to equipment safety operation, even provide condition for the suicide personnel, increased the unsafe factor of cat ladder, security incident has occured easily.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of anti-error cat ladder; this anti-error cat ladder can be climbed when normal operation; on one's own time the pin nail that arranges is transferred to downward-sloping state; cat ladder just is in can not climb state; eliminated the possibility of irrelevant staff's climbing; provide safety precautions, generation that can decrease safent accident.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of anti-error cat ladder is provided, comprise: a plurality of pin nails, outer tube and inner lifting gear, described inner lifting gear is positioned at the inside of described outer tube, described outer tube is provided with a plurality of tube wall openings, one end of described a plurality of pin nail passes respectively described a plurality of tube wall opening and is connected with described inner lifting gear respectively, described inner lifting gear drive a described end motion of described pin nail and change that described pin is followed closely and described cat ladder outer tube between relative angle.
In a preferred embodiment of the present invention, described inner lifting gear is screw rod, the not flexible rope of tool or tooth bar.
In a preferred embodiment of the present invention, described inner lifting gear is provided with inner lifting gear driving mechanism.
In a preferred embodiment of the present invention, described inner lifting gear driving mechanism is helicitic texture or the gear structure that cooperates with tooth bar.
In a preferred embodiment of the present invention, described inner lifting gear driving mechanism is motor-driven structure, hydraulic lift or Pneumatic power elevator apparatus.
In a preferred embodiment of the present invention, described inner lifting gear driving mechanism is positioned at bottom or the top of described inner lifting gear.
In a preferred embodiment of the present invention, described outer tube is fixed, and described inner lifting gear carries out elevating movement in described outer tube.
In a preferred embodiment of the present invention, described inner lifting gear is fixed, and described outer tube carries out elevating movement along described inner lifting gear outer wall.
In a preferred embodiment of the present invention, described pin nail rotates around the axis of described pin nail with described inner lifting gear junction under the effect of self gravitation.
The anti-error cat ladder of the present invention is by changing the angle of inclination of pin nail; can change easily the use state of cat ladder; make cat ladder be on one's own time the state that can not climb; avoid the random climbing of unrelated person; safety precautions is provided; generation that can decrease safent accident, simple in structure, easy to operate.
Description of drawings
Fig. 1 is that the anti-error cat ladder of the present invention is in the structural representation that can climb state;
Fig. 2 is that anti-error cat ladder shown in Figure 1 is in the structural representation that can not climb state;
The mark of each parts is as follows among the figure: 1, pin nail, 2, the tube wall opening, 3, pin, 4, outer tube, 5, inner lifting gear, 6, inner lifting gear driving mechanism.
The specific embodiment
The present invention will be described in detail below in conjunction with accompanying drawing and concrete preferred embodiment, so that advantages and features of the invention can be easier to be understood by those skilled in the art, these embodiment only are illustrative purposes, are not intended to scope of the present invention is limited.
See also Fig. 1 and Fig. 2, the anti-error cat ladder of the present invention comprises: a plurality of pin nails 1, outer tube 4 and inner lifting gear 5, described inner lifting gear 5 is positioned at the inside of described outer tube 4, described outer tube 4 is provided with a plurality of tube wall openings 2, one end of described a plurality of pin nails 1 passes respectively described a plurality of tube wall opening 2 and is connected with described inner lifting gear 5 respectively, described a plurality of pin nail 1 generally is with pin 3 with being connected of inner lifting gear 5, described inner lifting gear 5 drives a described end motion of described pin nail 1 and changes relative angle between described pin nail 1 and the described cat ladder outer tube 4, described pin nail 1 under the effect of self gravitation around the axis rotation of described pin nail 1 with described inner lifting gear 5 junctions.
In addition, described inner lifting gear 5 is screw rod, the not flexible rope of tool or tooth bar.
In addition, described inner lifting gear 5 is provided with inner lifting gear driving mechanism 6, described inner lifting gear driving mechanism 6 is helicitic texture or the gear structure that cooperates with tooth bar, and described inner lifting gear driving mechanism 6 can also be motor-driven structure, hydraulic lift or Pneumatic power elevator apparatus.
In addition, described inner lifting gear driving mechanism 6 is positioned at bottom or the top of inner lifting gear 5, and inner lifting gear driving mechanism 6 can drive inner lifting gear 5 and move up and down in outer tube 4.
In addition, described outer tube 4 has two kinds with the fixed installation mode of described inner lifting gear 5, a kind of is that described outer tube 4 is fixed, described inner lifting gear 5 carries out elevating movement in described outer tube 4, another kind is that described inner lifting gear 5 is fixed, and described outer tube 4 carries out elevating movement along described inner lifting gear 5 outer walls.
Further, fixing when outer tube 4, inner lifting gear 5 moves to that pin nail 1 is following following when concordant with tube wall opening 2, and cat ladder was in and can climbs state this moment, and the staff may stand on the pin nail 1 and upwards climbs.When inner lifting gear 5 continues to move up, then pin 3 drives the end of pin nail 1 in tube wall opening 2 upwards, the other end of pin nail 1 outside tube wall opening 2 is downward under the effect of own wt, make the end outside 1 inclination of pin nail and the tube wall opening 2 downward, cat ladder was in and can not climbs state this moment, personnel can't stand in upwards climbing on the pin nail 1, realize anti-error function of climbing.Follow closely 1 top when contacting with tube wall opening 2 tops when inner lifting gear 5 moves to pin, pin nail 1 is in the extreme position of inclination, and inner lifting gear 5 moves on can not continuing again.
In like manner, fixing when inner lifting gear 5, when outer tube 4 carried out elevating movement, climbed from the state of cat ladder was identical with the principles that above-mentioned outer tube 4 is fixed, inner lifting gear 5 carries out elevating movement with the control principle that can not climb state, is not repeated herein.
Be different from prior art, the anti-error cat ladder of the present invention has simple in structure, easy to operate advantage, can change easily the use state of cat ladder, makes cat ladder be on one's own time the state that can not climb, avoids the random climbing of unrelated person.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes manual of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (9)
1. anti-error cat ladder, it is characterized in that, comprise: a plurality of pin nails, outer tube and inner lifting gear, described inner lifting gear is positioned at the inside of described outer tube, described outer tube is provided with a plurality of tube wall openings, one end of described a plurality of pin nail passes respectively described a plurality of tube wall opening and is connected with described inner lifting gear respectively, described inner lifting gear drive a described end motion of described pin nail and change that described pin is followed closely and described cat ladder outer tube between relative angle.
2. anti-error cat ladder according to claim 1 is characterized in that, described inner lifting gear is screw rod, the not flexible rope of tool or tooth bar.
3. anti-error cat ladder according to claim 2 is characterized in that, described inner lifting gear is provided with inner lifting gear driving mechanism.
4. anti-error cat ladder according to claim 3 is characterized in that, described inner lifting gear driving mechanism is helicitic texture or the gear structure that cooperates with tooth bar.
5. anti-error cat ladder according to claim 3 is characterized in that, described inner lifting gear driving mechanism is motor-driven structure, hydraulic lift or Pneumatic power elevator apparatus.
6. anti-error cat ladder according to claim 3 is characterized in that, described inner lifting gear driving mechanism is positioned at bottom or the top of described inner lifting gear.
7. anti-error cat ladder according to claim 1 is characterized in that, described outer tube is fixed, and described inner lifting gear carries out elevating movement in described outer tube.
8. anti-error cat ladder according to claim 1 is characterized in that, described inner lifting gear is fixed, and described outer tube carries out elevating movement along described inner lifting gear outer wall.
9. anti-error cat ladder according to claim 1 is characterized in that, described pin nail rotates around the axis of described pin nail with described inner lifting gear junction under the effect of self gravitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434858XA CN102966302A (en) | 2012-11-05 | 2012-11-05 | Mistaken-climbing preventing ladder stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434858XA CN102966302A (en) | 2012-11-05 | 2012-11-05 | Mistaken-climbing preventing ladder stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102966302A true CN102966302A (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210434858XA Pending CN102966302A (en) | 2012-11-05 | 2012-11-05 | Mistaken-climbing preventing ladder stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102966302A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US928478A (en) * | 1908-04-22 | 1909-07-20 | William H Smalley | Telegraph-pole. |
| US6305497B1 (en) * | 1999-12-17 | 2001-10-23 | Steve J. Simon | Mast ladder assembly |
| CN101194082A (en) * | 2005-06-08 | 2008-06-04 | 法国空中巴士公司 | Ladder system, especially for vehicles |
| CN102644438A (en) * | 2012-05-09 | 2012-08-22 | 电联工程技术股份有限公司 | Concealed ladder stand |
| CN203022612U (en) * | 2012-11-05 | 2013-06-26 | 徐国华 | Mistaken-climbing-prevention ladder |
-
2012
- 2012-11-05 CN CN201210434858XA patent/CN102966302A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US928478A (en) * | 1908-04-22 | 1909-07-20 | William H Smalley | Telegraph-pole. |
| US6305497B1 (en) * | 1999-12-17 | 2001-10-23 | Steve J. Simon | Mast ladder assembly |
| CN101194082A (en) * | 2005-06-08 | 2008-06-04 | 法国空中巴士公司 | Ladder system, especially for vehicles |
| CN102644438A (en) * | 2012-05-09 | 2012-08-22 | 电联工程技术股份有限公司 | Concealed ladder stand |
| CN203022612U (en) * | 2012-11-05 | 2013-06-26 | 徐国华 | Mistaken-climbing-prevention ladder |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130313 |