CN202578483U - Vertical ladder with safety protection cage - Google Patents
Vertical ladder with safety protection cage Download PDFInfo
- Publication number
- CN202578483U CN202578483U CN 201220178844 CN201220178844U CN202578483U CN 202578483 U CN202578483 U CN 202578483U CN 201220178844 CN201220178844 CN 201220178844 CN 201220178844 U CN201220178844 U CN 201220178844U CN 202578483 U CN202578483 U CN 202578483U
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- Prior art keywords
- cage
- catladder
- vertical ladder
- safety
- 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 - Lifetime
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- 238000009434 installation Methods 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 6
- 239000012467 final product Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a vertical ladder with safety cage, this vertical ladder protect cage (10) including vertical ladder stand (21) and the safety that are located this vertical ladder both sides, safety cage (10) are installed on vertical ladder stand (21), safety cage (10) are protected including a plurality of cage hoops (11) and vertical component (12) of connecting these a plurality of cage hoops (11), wherein, a plurality of cage hoops (11) with vertical ladder stand (21) are articulated, just a plurality of cage hoops (11) with vertical component (12) are articulated. In the vertical ladder, the safety protection cage is hinged on the vertical ladder stand column, when the vertical ladder is in an idle state or a transportation state, the safety protection cage can be folded to reduce the size of the vertical ladder. When the vertical ladder is used, the safety protection cage can be directly unfolded without installation.
Description
Technical field
The utility model relates to catladder equipment, particularly, relates to a kind of catladder that protects cage that has.
Background technology
Big machinery or the architectural catladder that often is equipped with.When the bench of catladder reach a certain height (general >=3 meters), safety must be installed on request protect cage.
Shown in Fig. 1 is a kind of front view of existing catladder, as shown in the figure, and the safety that is set with on the vertical ladder column of this catladder is protected cage 10.
Under the comparatively narrow situation of some spatial dimension; It is bigger that safety is protected cage 10 volume sizes; Be difficult to install and use; For the frequent large-scale engineering machinery through highway transportation (like mobile job crane etc.), existing catladder very likely causes the engineering machinery overall dimensions to transfinite and can not transport in addition.
Therefore, how become the technical problem that this area needs to be resolved hurrily in the size of installing and using under the comparatively narrow situation of spatial dimension when having safety and protecting the catladder of cage and how to reduce to have catladder that safety protects cage in transportation.
The utility model content
The purpose of the utility model provides a kind ofly to be had safety and protects the catladder of cage, and this catladder can be installed and used under the comparatively narrow situation of spatial dimension, and said catladder has less size when transportation.
To achieve these goals; The utility model provides a kind of catladder that safety is protected cage that has, and this catladder comprises that the vertical ladder column that is positioned at these catladder both sides protects cage with safety, and said safety is protected cage and is installed on the said vertical ladder column; Said safety is protected cage and is comprised a plurality of cage hoops and the vertical member that is connected these a plurality of cage hoops; Wherein, said a plurality of cage hoops and said vertical ladder column are hinged, and said a plurality of cage hoop and said vertical member are hinged.
Preferably, said catladder comprises drive unit, and this drive unit protects cage with said safety and links to each other, and rotates around the pin joint of this cage hoop and said vertical ladder column to control said cage hoop.
Preferably, said drive unit comprises the fixed pulley and the rope of walking around this fixed pulley that is fixed on said vertical ladder column upper end, and an end of this rope is fixed on said safety and protects on the cage.
Preferably, the both sides of said catladder are provided with said fixed pulley and said rope.
Preferably, said safety is protected cage and is comprised chain, and this chain and said a plurality of cage hoop are hinged.
Preferably, said chain is positioned at the opposite side of said vertical ladder column.
Preferably, this catladder comprises limited block, and this limited block is arranged on said vertical ladder column or the said cage hoop, and said cage hoop and said vertical ladder column fit when preventing that the pin joint of said cage hoop between this cage hoop and said vertical ladder column from upwards rotating.
Preferably, said limited block is arranged on the end of said cage hoop, and said cage hoop is hinged through said limited block and said vertical ladder column.
Preferably, said safety is protected cage and is comprised limiting plate, and an end face of this limiting plate is connected with the end face of said cage hoop, and another end face can be fitted on the said vertical ladder column, and said limiting plate protrudes in the soffit of said cage hoop end.
Preferably, the normal parallel of the normal of the said limiting plate end face that can fit with said vertical ladder column and the end face of said cage hoop or overlap.
In the described catladder of the utility model, safety is protected cage be hinged on the vertical ladder column, when said catladder was in idle state or travel position, it was folding safety to be protected cage, to reduce the size of said catladder.When using said catladder, directly said safety is protected cage and launch to get final product, need not to install.
Other feature and advantage of the utility model will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of manual, is used to explain the utility model with the following specific embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the schematic perspective view of catladder of the prior art;
Fig. 2 is the sketch map that the described catladder of the utility model is in user mode;
Fig. 3 to Fig. 5 is the sketch map of the folding process of the catladder shown in the exploded view 2;
Fig. 6 to Fig. 9 is respectively the vertical view of the catladder shown in Fig. 2 to Fig. 5;
Figure 10 is the partial enlarged drawing at I place among Fig. 1; And
Figure 11 is the partial enlarged drawing at II place among Fig. 5.
Description of reference numerals
10 safety are protected cage 11 cage hoops
12 vertical members, 13 chains
21 vertical ladder columns, 22 riding clubs
31 fixed pulleys, 32 ropes
40 limited blocks, 50 limiting plates
The specific embodiment
Be elaborated below in conjunction with the specific embodiment of accompanying drawing to the utility model.Should be understood that the specific embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
Shown in Fig. 2 to 5; The utility model provides a kind of catladder that safety is protected cage that has, and this catladder comprises that the vertical ladder column 21 that is positioned at these catladder both sides protects cage 10 with safety, and safety is protected cage 10 and is installed on the vertical ladder column 21; Safety is protected cage 10 and is comprised a plurality of cage hoops 11 and the vertical member that is connected these a plurality of cage hoops 11 12; Wherein, a plurality of cage hoops 11 are hinged with vertical ladder column 21, and a plurality of cage hoop 11 is hinged with vertical member 12.
Fig. 2 is the sketch map that the described catladder of the utility model is in user mode, and is as shown in the figure, and safety is protected cage 10 and is in deployed condition, and the operator gets into safety through riding club 22 climbings and protects in the cage 10, and safety is protected the effect that cage 10 can play the protection operator.When transportation said catladder or this catladder were idle, it was folding safety to be protected cage 10.As Fig. 3 to shown in Figure 5 be the sketch map of the folding process of the catladder shown in Fig. 2; As shown in the figure, cage hoop 11 rotates up around the pin joint of itself and vertical ladder column 21, and it is folding that safety is protected cage 10; Reduce the shared space of catladder, be convenient to the transportation and the storage of catladder.When using catladder, can safety be protected cage 10 according to the order opposite and open with the process shown in Fig. 3 to Fig. 5, need not to install, thereby can in comparatively narrow space, use said catladder.
Because Fig. 2 to Fig. 5 is sectional view, therefore, in Fig. 2 to Fig. 5, only can see the cross section of a vertical ladder column 21 and Duo Gen riding club 22.
Can protect cage 10 with the folding safety of the mode of manual work; Also can protect cage 10 through the folding safety of other modes, for example, said catladder can comprise drive unit; This drive unit protects cage 10 with said safety and links to each other, and rotates around the pin joint of this cage hoop 11 with vertical ladder column 21 with control cage hoop 11.
For example; Said drive unit can comprise hydraulic cylinder (or cylinder) and push rod; One end and the safety of push rod is protected cage 10 and is linked to each other, and the other end links to each other with the piston rod of hydraulic cylinder (or cylinder), thereby can utilize the moving back and forth of piston rod of hydraulic cylinder (or cylinder) to launch or the folding cage 10 that protects safely.
In order to simplify the structure of catladder, preferably, said drive unit can comprise fixed pulley 31 that is fixed on vertical ladder column 21 upper ends and the rope 32 of walking around this fixed pulley 31, and an end of this rope 32 is fixed on safety and protects on the cage 10.Transportation or when limiting said catladder, the end of pulling rope 32, thus it is folding that safety is protected cage 10, and an end of rope 32 is fixed on the vertical ladder column 21.When using said catladder, an end of rope 32 to be pulled down from vertical ladder column 21, the gravity that utilizes safety to protect cage 10 self launches it.
For the ease of stationary rope 32, can retainer ring be set at an end of rope 32, and the bearing pin protrude in this vertical ladder column 21 is set on vertical ladder column 21, during stationary rope 32, retainer ring hung on the bearing pin get final product.Certainly, also can directly rope be wrapped on the vertical ladder column 21.
Can directly fixed pulley 31 be fixed on the vertical ladder column 21, also can on vertical ladder column 21, bearing be set earlier, then fixed pulley 31 is fixed on the said bearing.When folding safety is protected cage 10, can adopt artificial direct pull rope 32, perhaps utilize coiling ropes 32 such as motor, hydraulic motor, thereby folding safety is protected cage 10.
When said safety is protected cage 10 when heavier, protect cage 10 for folding safety more easily, can be provided with fixed pulley 31 and rope 32 in the both sides of said catladder, like Fig. 6 to shown in Figure 9.When folding safety is protected cage 10, can spur the safety that is positioned at said catladder both sides simultaneously by the operator and protect cage.
When under the comparatively narrow situation of spatial dimension, using said catladder, preferably, safety is protected cage 10 and can be comprised chain 13, and this chain 13 is hinged with said a plurality of cage hoop 11.The advantage that chain 13 is set is that behind cage hoop 11 folding put in place (state shown in Fig. 5 and Fig. 9), the safety after flexible chain 13 can reduce to fold is protected the volume of cage 10, thereby reduces the transportation clearance of catladder.
Shown in Fig. 2 to Fig. 5, preferably, protect in the process of cage 10 chain 13 and vertical ladder column 21 and vertical member 12 keeping parallelisms in the safety of launching or fold.
Further preferably, chain 13 is positioned at the opposite side of vertical ladder column 21.Safety after flexible chain can reduce to fold is protected the volume of cage 10, thereby reduces the transportation clearance of catladder.
As stated; The gravity that can rely on safety to protect cage 10 self launches it; The center of gravity of protecting cage 10 in order to ensure safety is arranged in the right side (" right side " side described herein is meant the orientation of Fig. 2 to Fig. 9) of vertical ladder column 21 all the time, and preferably, said catladder can also comprise limited block 40; This limited block 40 is arranged on vertical ladder column 21 or the cage hoop 11, and cage hoop 11 fits with vertical ladder column 21 when preventing that the pin joint of cage hoop 11 between this cage hoop 11 and vertical ladder column 21 from upwards rotating.
When safety is protected cage 10 after the pin joint between cage hoop 11 and the vertical ladder column 21 upwards forwards to a certain degree; Limited block 40 can contact with vertical ladder column 21 and cage hoop 11 simultaneously; Thereby stop cage hoop 11 further to rotate, at this moment, the center of gravity of protecting cage 10 safely is positioned at the right side of vertical ladder column 21.
In the utility model, can limited block 40 be arranged on vertical ladder column 21 and protect towards safety on the surface of cage 10, also can limited block 40 be arranged on the cage hoop 11, directly fit as long as can prevent vertical ladder column 21 and cage hoop 11.
Shown in figure 10, limited block 40 can be arranged on the end of cage hoop 11, and cage hoop 11 is hinged through limited block 40 and vertical ladder column 21.The end that limited block 40 is arranged on cage hoop 11 not only can prevent that vertical ladder column 21 and cage hoop 11 from directly fitting, and it is hinged to be convenient to cage hoop 11 and vertical ladder column 21.
When using said catladder,, should prevent that cage hoop 11 from continuing upset downwards downwards when cage hoop 11 overturns after launching fully; At this moment; Can, safety an end of rope 32 be fixed, thereby prevent that rope 32 from continuing to rotate folding after protect cage 10 and launch fully.Preferably, safety is protected cage 10 and can be comprised limiting plate 50, and an end face of this limiting plate 50 is connected with the end face of cage hoop 11, and another end face can be fitted on the said vertical ladder column 21, and limiting plate 50 protrudes in the soffit of cage hoop 11 ends.After safety was protected cage 10 and launched fully, limiting plate 50 can prevent that cage hoop 11 from continuing to rotate around pin joint.
Shown in figure 11, preferably, the normal of the end face (the downward surface of limiting plate 50 among Figure 10) that can fit with vertical ladder column 21 on the limiting plate 50 is with the normal parallel of the end face of said cage hoop 11 or overlap.For simplified structure, be convenient to realize that limiting plate 50 can form plectane.
Shown in Fig. 2 to Fig. 3, when folding safety was protected cage 10, pulling rope 32 all rotated up each cage hoop 11 around itself and pin joint between the vertical ladder column 21, till the folded state of arrival shown in Fig. 5, rope 32 is fixed.Because the end of cage hoop 11 is provided with limited block 40, therefore, cage hoop 11 can not fit with vertical ladder column 21, and safe center of gravity of protecting cage 10 is positioned at the right side of vertical ladder column 21 all the time.When launching to protect cage 10 safely, directly rope 32 is unclamped, let safety protect cage 10 and under the gravity of himself, launch to get final product.Because the end face of cage hoop 11 is provided with limiting plate 50, after safety was protected cage 10 and launched fully, shown in figure 10, limiting plate 50 was fitted on the vertical ladder column 21, thereby prevents that cage hoop 11 from continuing to overturn downwards.
In the described catladder of the utility model, safety is protected cage be hinged on the vertical ladder column, when said catladder was in idle state or travel position, it was folding safety to be protected cage, to reduce the size of said catladder.When using said catladder, directly said safety is protected cage and launch to get final product, need not to install.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (10)
1. one kind has the catladder that safety is protected cage; This catladder comprises the vertical ladder column (21) that is positioned at these catladder both sides and protects cage (10) safely; Said safety is protected cage (10) and is installed on the said vertical ladder column (21), and said safety is protected cage (10) and comprised a plurality of cage hoops (11) and the vertical member (12) that is connected these a plurality of cage hoops (11), it is characterized in that; Said a plurality of cage hoops (11) are hinged with said vertical ladder column (21), and said a plurality of cage hoops (11) are hinged with said vertical member (12).
2. catladder according to claim 1 is characterized in that this catladder comprises drive unit, and this drive unit protects cage (10) with said safety and links to each other, and rotates around the pin joint of this cage hoop (11) with said vertical ladder column (21) to control said cage hoop (11).
3. catladder according to claim 2; It is characterized in that; Said drive unit comprises fixed pulley (31) that is fixed on said vertical ladder column (21) upper end and the rope (32) of walking around this fixed pulley (31), and an end of this rope (32) is fixed on said safety and protects on the cage (10).
4. catladder according to claim 3 is characterized in that, the both sides of this catladder are provided with said fixed pulley (31) and said rope (32).
5. catladder according to claim 1 is characterized in that, said safety is protected cage (10) and comprised chain (13), and this chain (13) is hinged with said a plurality of cage hoops (11).
6. catladder according to claim 5 is characterized in that, said chain (13) is positioned at the opposite side of said vertical ladder column (21).
7. according to any described catladder in the claim 1 to 6; It is characterized in that; This catladder comprises limited block (40); This limited block (40) is arranged on said vertical ladder column (21) or the said cage hoop (11), and said cage hoop (11) fits with said vertical ladder column (21) when preventing that the pin joint of said cage hoop (11) between this cage hoop (11) and said vertical ladder column (21) from upwards rotating.
8. catladder according to claim 7 is characterized in that, said limited block (40) is arranged on the end of said cage hoop (11), and said cage hoop (11) is hinged through said limited block (40) and said vertical ladder column (21).
9. catladder according to claim 8; It is characterized in that; Said safety is protected cage (10) and is comprised limiting plate (50); An end face of this limiting plate (50) is connected with the end face of said cage hoop (11), and another end face can be fitted on the said vertical ladder column (21), and said limiting plate (50) protrudes in the soffit of said cage hoop (11) end.
10. catladder according to claim 9 is characterized in that, the normal of the end face that said limiting plate (50) can fit with said vertical ladder column (21) is with the normal parallel of the end face of said cage hoop (11) or overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220178844 CN202578483U (en) | 2012-04-24 | 2012-04-24 | Vertical ladder with safety protection cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220178844 CN202578483U (en) | 2012-04-24 | 2012-04-24 | Vertical ladder with safety protection cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202578483U true CN202578483U (en) | 2012-12-05 |
Family
ID=47247904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220178844 Expired - Lifetime CN202578483U (en) | 2012-04-24 | 2012-04-24 | Vertical ladder with safety protection cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202578483U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209408A (en) * | 2014-09-02 | 2014-12-17 | 中国化学工程第三建设有限公司 | Vertical ladder protection cage manufacturing tool |
| CN105317370A (en) * | 2015-10-19 | 2016-02-10 | 德瑞石油装备（青岛）有限公司 | Cage ladder |
| CN105804476A (en) * | 2016-05-09 | 2016-07-27 | 常熟风范电力设备股份有限公司 | High-stability all-steel communication tower |
| CN108868577A (en) * | 2018-07-27 | 2018-11-23 | 思百危实业（上海）有限公司 | A kind of foldable shield cage steel ladder of essential safety |
| CN110578463A (en) * | 2019-09-29 | 2019-12-17 | 徐工集团工程机械股份有限公司科技分公司 | foldable engineering machinery ladder stand |
| WO2020047616A1 (en) * | 2018-09-06 | 2020-03-12 | Toll Transport Pty Ltd | Fall protection for ladders |
-
2012
- 2012-04-24 CN CN 201220178844 patent/CN202578483U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209408A (en) * | 2014-09-02 | 2014-12-17 | 中国化学工程第三建设有限公司 | Vertical ladder protection cage manufacturing tool |
| CN104209408B (en) * | 2014-09-02 | 2016-01-20 | 中国化学工程第三建设有限公司 | A kind of vertical ladder protects cage tools |
| CN105317370A (en) * | 2015-10-19 | 2016-02-10 | 德瑞石油装备（青岛）有限公司 | Cage ladder |
| CN105804476A (en) * | 2016-05-09 | 2016-07-27 | 常熟风范电力设备股份有限公司 | High-stability all-steel communication tower |
| CN108868577A (en) * | 2018-07-27 | 2018-11-23 | 思百危实业（上海）有限公司 | A kind of foldable shield cage steel ladder of essential safety |
| WO2020047616A1 (en) * | 2018-09-06 | 2020-03-12 | Toll Transport Pty Ltd | Fall protection for ladders |
| CN110578463A (en) * | 2019-09-29 | 2019-12-17 | 徐工集团工程机械股份有限公司科技分公司 | foldable engineering machinery ladder stand |
| CN110578463B (en) * | 2019-09-29 | 2024-01-23 | 徐工集团工程机械股份有限公司科技分公司 | Foldable engineering machinery crawling 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 |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |