CN202731731U - Foldable ladder - Google Patents
Foldable ladder Download PDFInfo
- Publication number
- CN202731731U CN202731731U CN 201220400177 CN201220400177U CN202731731U CN 202731731 U CN202731731 U CN 202731731U CN 201220400177 CN201220400177 CN 201220400177 CN 201220400177 U CN201220400177 U CN 201220400177U CN 202731731 U CN202731731 U CN 202731731U
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- China
- Prior art keywords
- cleat stanchion
- ladder
- stanchion
- cleat
- ladder column
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- 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
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- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a foldable ladder which comprises a top beam, a first ladder column, a second ladder column, a third ladder column, a fourth ladder column and multilevel steps, wherein the first ladder column and the second ladder column are detachably arranged at one end of the top beam and are connected in hinged mode, the third ladder column 3 and the fourth ladder column 4 are detachably arranged at one end of the top beam 5 and are connected in hinged mode, the third ladder column 3 and the first ladder column 1 are oppositely arranged, the fouth ladder column 4 and the second ladder column 2 are oppositely arranged, the multilevel steps 6 are detachable arranged between the third ladder column and the first ladder column and the fouth ladder column 4 and the second ladder column 2. Due to the fact that above components are of split-type structure, when an electric transmission line of suburbs or other places with inconvenient traffic need to be examined and repaired, people can respectively carry the above components by manpower when the foldable ladder is needed. Moreover, compared with a large unitary foldable ladder of the prior art, labor intensity of workers can be reduced in the process of carrying the foldable ladder so that work progress can be improved through the foldable ladder.
Description
Technical field
The utility model relates to transmission line of electricity detection technique field, more particularly, relates to a kind of ladder that closes.
Background technology
In order to ensure the normal operation of transmission line of electricity, operating personnel tend to carry out interruption maintenance operation or other construction operation at transmission line of electricity, with the unusual or fault of precognition transmission facility, and then solve in time circuit hidden danger.Because transmission line of electricity has certain height, in the prior art often by with job platform or close greatly ladder and be transported to Overhaul site and finish above-mentioned operation.
At present, the job platform that plank or steel plate consist of, although easy to operate, install loaded down with trivial details, the normal electrodynamic type job platform that uses in the practical application.Because electrodynamic type job platform weight is larger, extremely difficult carrying, usually be used in vehicle transport convenient, the occasion that operation height is higher, so when the transmission line of electricity to suburb or other places of having inconvenient traffic overhauls, can not be by means of above-mentioned job platform, people only reliable manpower transport close greatly ladder to on-the-spot, also will move back to after operation is complete.
But the existing ladder that closes greatly is for monolithic construction, because its volume is large and repaved with sheet material by the steel structure and to make, so weight is larger, closes greatly waste of manpower in the process of ladder, material resources in carrying, wastes time again, affected job schedule.
In sum, how reducing staff's labour intensity, improve job schedule, is the technical problem that present those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of ladder that closes, and to reduce staff's labour intensity, improves job schedule.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of ladder that closes comprises:
Top cross-bar;
All be removably disposed in the first cleat stanchion and second cleat stanchion of described top cross-bar one end, and both are hinged;
All be removably disposed in the other end of described top cross-bar, the 3rd cleat stanchion that is hinged and the 4th cleat stanchion, and described the 3rd cleat stanchion and described the first cleat stanchion be oppositely arranged, and described the 4th cleat stanchion and described the second cleat stanchion are oppositely arranged;
Multistage step, described step are removably disposed in respectively between described the 3rd cleat stanchion and described the first cleat stanchion and described the 4th cleat stanchion and described the second cleat stanchion.
Preferably, above-mentioned closing in the ladder, described top cross-bar, described the first cleat stanchion, described the second cleat stanchion, described the 3rd cleat stanchion, described the 4th cleat stanchion and described step are hollow steel pipe.
Preferably, above-mentioned closing in the ladder is provided with a plurality of hooks that hang described step on the relative position between described the 3rd cleat stanchion and described the first cleat stanchion and described the 4th cleat stanchion and described the second cleat stanchion.
Preferably, above-mentioned closing in the ladder, the two ends of described step are respectively arranged with the draw-in groove that matches with described hook.
Preferably, the above-mentioned ladder that closes also comprises:
The first base cross members of threaded engagement is passed through respectively at two ends with the bottom of described the first cleat stanchion and described the 3rd cleat stanchion;
The second base cross members of threaded engagement is passed through respectively at two ends with the bottom of described the second cleat stanchion and described the 4th cleat stanchion.
Preferably, the above-mentioned ladder that closes also comprises:
The first bottom linkage rod of threaded engagement is passed through respectively at two ends with the bottom of described the first cleat stanchion and described the second cleat stanchion;
The second bottom linkage rod of threaded engagement is passed through respectively at two ends with the bottom of described the 3rd cleat stanchion and described the 4th cleat stanchion.
Preferably, above-mentioned closing in the ladder, the two ends of described the first base cross members, described the second base cross members, described the first bottom linkage rod and described the second bottom linkage rod all have the threaded rod section.
Preferably, above-mentioned closing in the ladder also comprises:
A plurality of support bars, described support bar removably are connected between described the first cleat stanchion and described the second cleat stanchion, between described the 3rd cleat stanchion and described the 4th cleat stanchion, between described the first cleat stanchion/described the second cleat stanchion and described the first bottom linkage rod and between described the 3rd cleat stanchion/described the 4th cleat stanchion and described the second bottom linkage rod.
Preferably, above-mentioned closing in the ladder also comprises the pedal that is arranged on described top cross-bar top.
Preferably, above-mentioned closing in the ladder all is arranged with non-slipping block on the foot of ladder of described the first cleat stanchion, described the second cleat stanchion, described the 3rd cleat stanchion and described the 4th cleat stanchion
Can find out from above-mentioned technical scheme, the ladder that closes that the utility model provides comprises top cross-bar, the first cleat stanchion, the second cleat stanchion, the 3rd cleat stanchion, the 4th cleat stanchion and multistage step; Wherein, the first cleat stanchion and the second cleat stanchion are hinged and all are removably disposed in an end of top cross-bar; The 3rd cleat stanchion and the 4th cleat stanchion are hinged and all are removably disposed in the other end of top cross-bar, and the 3rd cleat stanchion and the first cleat stanchion be oppositely arranged, and the 4th cleat stanchion and the second cleat stanchion are oppositely arranged; Step is removably disposed in respectively between the 3rd cleat stanchion and the first cleat stanchion and the 4th cleat stanchion and the second cleat stanchion.
What the utility model provided closes ladder when not using, above-mentioned top cross-bar, the first cleat stanchion, the second cleat stanchion, the 3rd cleat stanchion, the 4th cleat stanchion and multistage step are all separated, when the transmission line of electricity to suburb or other places of having inconvenient traffic overhauls, need to be by means of above-mentioned when closing ladder, because above-mentioned parts are split-type structural, people can rely on manpower to carry respectively above-mentioned each parts, wait to move to place, maintenance place, and each assembling parts can be used together.Close greatly ladder with monolithic of the prior art and compare, what the utility model provided closes ladder in the process of carrying, has reduced staff's labour intensity, can improve job schedule.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that closes ladder that the utility model embodiment provides;
Fig. 2 is the structural representation of the first cleat stanchion of providing of the utility model embodiment;
Fig. 3 is the structural representation of the step that provides of the utility model embodiment;
Fig. 4 is the structural representation of the first base cross members of providing of the utility model embodiment.
The specific embodiment
The utility model embodiment provides a kind of ladder that closes, and has reduced staff's labour intensity, can improve job schedule.
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1, the ladder that closes that the utility model embodiment provides comprises top cross-bar 5, the first cleat stanchion 1, the second cleat stanchion 2, the 3rd cleat stanchion 3, the 4th cleat stanchion 4 and multistage step 6; Wherein, the first cleat stanchion 1 and the second cleat stanchion are 2 hinged and all be removably disposed in an end of top cross-bar 5 mutually; The 3rd cleat stanchion 3 and the 4th cleat stanchion 4 are hinged and all are removably disposed in the other end of top cross-bar 5, and the 3rd cleat stanchion 3 and the first cleat stanchion 1 be oppositely arranged, and the 4th cleat stanchion 4 and the second cleat stanchion 2 are oppositely arranged; Step 6 is removably disposed in respectively between the 3rd cleat stanchion 3 and the first cleat stanchion 1 and the 4th cleat stanchion 4 and the second cleat stanchion 2.
What the utility model embodiment provided closes ladder when not using, above-mentioned top cross-bar 5, the first cleat stanchion 1, the second cleat stanchion 2, the 3rd cleat stanchion 3, the 4th cleat stanchion 4 and multistage step 6 are all separated, when the transmission line of electricity to suburb or other places of having inconvenient traffic overhauls, need to be by means of above-mentioned when closing ladder, because above-mentioned parts are split-type structural, people can rely on manpower to carry respectively above-mentioned each parts, wait to move to place, maintenance place, and each assembling parts can be used together.Close greatly ladder with monolithic of the prior art and compare, what the utility model embodiment provided closes ladder in the process of carrying, has reduced staff's labour intensity, can improve job schedule.
In order further to reduce staff's labour intensity, above-described embodiment provides and closes in the ladder, and top cross-bar 5, the first cleat stanchion 1, the second cleat stanchion 2, the 3rd cleat stanchion 3, the 4th cleat stanchion 4 and step 6 are hollow steel pipe.In the situation that terraced intensity is closed in assurance, volume can alleviate the weight of closing ladder, convenient operation personnel's carrying like this.Preferably, the external surface of above-mentioned hollow steel pipe can also be coated with anticorrosion enamelled coating, can prevent from closing ladder by other material corrosion and damage, has improved the application life of closing ladder.
Preferably, installation for the ease of step 6, what above-described embodiment provided closes in the ladder, be provided with a plurality of hooks that hang step 6 on the relative position between the 3rd cleat stanchion 3 and the first cleat stanchion 1 and the 4th cleat stanchion 4 and the second cleat stanchion 2, as shown in Figure 2, this figure is the structural representation of the first cleat stanchion 1, and be provided with a plurality of hooks 11 on the first cleat stanchion 1 this moment, the structure of the second cleat stanchion 2, the 3rd cleat stanchion 3 and the 4th cleat stanchion 4 is identical with the first cleat stanchion 1, therefore do not illustrate in the accompanying drawing.When each parts of waiting to close ladder are removed to detection site, directly step 6 is suspended on the installation that can finish step 6 between the 3rd cleat stanchion 3 and the first cleat stanchion 1 and the 4th cleat stanchion 4 and the second cleat stanchion 2, simple to operate.It will be appreciated by persons skilled in the art that above-mentioned each cleat stanchion also can be by other structure, as be bolted to connection or be socketed, or cooperate by concaveconvex structure, the effect that removably connects to reach same realization is introduced no longer one by one at this.
In order to prevent step 6 unexpected landing from above-mentioned hook, the two ends of step 6 are respectively arranged with and link up with the draw-in groove 61 that matches, as shown in Figure 3.When step 6 is installed, the draw-in groove 61 at two ends is stuck on the corresponding hook gets final product.
In order further to improve the intensity of closing ladder, the ladder that closes that above-described embodiment provides also comprises: the first base cross members 8 of threaded engagement is passed through respectively at two ends with the bottom of the first cleat stanchion 1 and the 3rd cleat stanchion 3; The second base cross members 10 of threaded engagement is passed through respectively at two ends with the bottom of the second cleat stanchion 2 and the 4th cleat stanchion 4.Above-mentioned the first base cross members 8 links to each other the bottom of the first cleat stanchion 1 and the 3rd cleat stanchion 3 and the bottom of the second cleat stanchion 2 and the 4th cleat stanchion 4 respectively with the second base cross members 10, has avoided rocking between the above-mentioned cleat stanchion when the staff climbs this and closes ladder.
Further, what above-described embodiment provided closes in the ladder, also comprises: the first bottom linkage rod 9 of threaded engagement is passed through respectively at two ends with the bottom of the first cleat stanchion 1 and the second cleat stanchion 2; The second bottom linkage rod 7 of threaded engagement is passed through respectively at two ends with the bottom of the 3rd cleat stanchion 3 and the 4th cleat stanchion 4.The first bottom linkage rod 9 and the second bottom linkage rod 7 are fixed together the bottom of the first cleat stanchion 1 and the second cleat stanchion 2 and the bottom of the 3rd cleat stanchion 3 and the 4th cleat stanchion 4 respectively, when having avoided the staff to climb, slip between the first cleat stanchion 1 and the second cleat stanchion 2 or the 3rd cleat stanchion 3 and the 4th cleat stanchion 4, certainly, also can pass through the artificially above-mentioned cleat stanchion of righting.
Preferably, the two ends of above-mentioned the first base cross members 8, the second base cross members 10, the first bottom linkage rod 9 and the second bottom linkage rod 7 all have the threaded rod section, as shown in Figure 4, this figure is the structural representation of the first base cross members 8, its two ends all have threaded rod section 81, other three parts are identical with the structure of the first base cross members 8, therefore as an example of the first base cross members 8 example its annexation is described.Respectively offer the screwed hole that with threaded rod section 81 match on the first cleat stanchion 1 and the 3rd cleat stanchion 3 this moment, can the first base cross members 8 be installed between the first cleat stanchion 1 and the 3rd cleat stanchion 3 by threaded rod section 81 being screwed in the above-mentioned screwed hole.Certainly, can also do further to fix by nut.
In order further to optimize technique scheme, above-described embodiment provides closes ladder, also comprise a plurality of support bars 11, support bar 11 removably is connected between the first cleat stanchion 1 and the second cleat stanchion 2, between the 3rd cleat stanchion 3 and the 4th cleat stanchion 4, between the first cleat stanchion 1/ second cleat stanchion 2 and the first bottom linkage rod 9 and between the 3rd cleat stanchion 3/ the 4th cleat stanchion 4 and the second bottom linkage rod 7.As shown in Figure 1, only shown the support bar 11 of part among this figure, this support bar 11 has further improved the support strength that closes ladder.
For the ease of operating personnel's operation, what above-described embodiment provided closes in the ladder, also comprises the pedal that is arranged on top cross-bar 5 tops, has increased operating personnel's work area.
Further, what above-described embodiment provided closes in the ladder, all is arranged with non-slipping block on the foot of ladder of the first cleat stanchion 1, the second cleat stanchion 2, the 3rd cleat stanchion 3 and the 4th cleat stanchion 4, can prevent from closing in the course of work slip of ladder.
Each embodiment adopts the mode of going forward one by one to describe in this manual, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. one kind is closed ladder, it is characterized in that, comprising:
Top cross-bar (5);
All be removably disposed in first cleat stanchion (1) and the second cleat stanchion (2) of described top cross-bar (5) one ends, and both are hinged;
All be removably disposed in the other end of described top cross-bar (5), the 3rd cleat stanchion (3) that is hinged and the 4th cleat stanchion (4), and described the 3rd cleat stanchion (3) is oppositely arranged with described the first cleat stanchion (1), and described the 4th cleat stanchion (4) is oppositely arranged with described the second cleat stanchion (2);
Multistage step (6), described step (6) are removably disposed in respectively between described the 3rd cleat stanchion (3) and described the first cleat stanchion (1) and described the 4th cleat stanchion (4) and described the second cleat stanchion (2).
2. the ladder that closes according to claim 1, it is characterized in that, described top cross-bar (5), described the first cleat stanchion (1), described the second cleat stanchion (2), described the 3rd cleat stanchion (3), described the 4th cleat stanchion (4) and described step (6) are hollow steel pipe.
3. the ladder that closes according to claim 1, it is characterized in that, be provided with a plurality of hooks that hang described step (6) on the relative position between described the 3rd cleat stanchion (3) and described the first cleat stanchion (1) and described the 4th cleat stanchion (4) and described the second cleat stanchion (2).
4. the ladder that closes according to claim 3 is characterized in that, the two ends of described step (6) are respectively arranged with the draw-in groove (61) that matches with described hook.
5. the ladder that closes according to claim 1 is characterized in that, also comprises:
First base cross members (8) of threaded engagement is passed through respectively at two ends with the bottom of described the first cleat stanchion (1) and described the 3rd cleat stanchion (3);
Second base cross members (10) of threaded engagement is passed through respectively at two ends with the bottom of described the second cleat stanchion (2) and described the 4th cleat stanchion (4).
6. the ladder that closes according to claim 5 is characterized in that, also comprises:
First bottom linkage rod (9) of threaded engagement is passed through respectively at two ends with the bottom of described the first cleat stanchion (1) and described the second cleat stanchion (2);
Second bottom linkage rod (7) of threaded engagement is passed through respectively at two ends with the bottom of described the 3rd cleat stanchion (3) and described the 4th cleat stanchion (4).
7. the ladder that closes according to claim 6 is characterized in that, the two ends of described the first base cross members (8), described the second base cross members (10), described the first bottom linkage rod (9) and described the second bottom linkage rod (7) all have the threaded rod section.
8. the ladder that closes according to claim 6 is characterized in that, also comprises:
A plurality of support bars (11), described support bar (11) removably are connected between described the first cleat stanchion (1) and described the second cleat stanchion (2), between described the 3rd cleat stanchion (3) and described the 4th cleat stanchion (4), between described the first cleat stanchion (1)/described the second cleat stanchion (2) and described the first bottom linkage rod (9) and between described the 3rd cleat stanchion (3)/described the 4th cleat stanchion (4) and described the second bottom linkage rod (7).
9. the ladder that closes according to claim 1 is characterized in that, also comprises the pedal that is arranged on described top cross-bar (5) top.
10. the described ladder that closes of any one is characterized in that according to claim 1-9, all is arranged with non-slipping block on the foot of ladder of described the first cleat stanchion (1), described the second cleat stanchion (2), described the 3rd cleat stanchion (3) and described the 4th cleat stanchion (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400177 CN202731731U (en) | 2012-08-13 | 2012-08-13 | Foldable ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400177 CN202731731U (en) | 2012-08-13 | 2012-08-13 | Foldable ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202731731U true CN202731731U (en) | 2013-02-13 |
Family
ID=47657443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220400177 Expired - Fee Related CN202731731U (en) | 2012-08-13 | 2012-08-13 | Foldable ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202731731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221056A (en) * | 2014-06-03 | 2016-01-06 | 张仕杰 | The working stand of support function can be strengthened |
-
2012
- 2012-08-13 CN CN 201220400177 patent/CN202731731U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221056A (en) * | 2014-06-03 | 2016-01-06 | 张仕杰 | The working stand of support function can be strengthened |
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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 ELECTRIC NET CROP. Effective date: 20130227 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130227 Address after: Ningjiang district along the Yangtze River Street 138000 Jilin city of Songyuan province No. 186 Patentee after: Songyuan Power Supply Company of Jilin Electric Power Company Patentee after: State Grid Corporation of China Address before: Ningjiang district along the Yangtze River Street 138000 Jilin city of Songyuan province No. 186 Patentee before: Songyuan Power Supply Company of Jilin Electric Power Company |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20190813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |