CN108798492A - A kind of engineering machinery folding ladder - Google Patents
A kind of engineering machinery folding ladder Download PDFInfo
- Publication number
- CN108798492A CN108798492A CN201810880097.8A CN201810880097A CN108798492A CN 108798492 A CN108798492 A CN 108798492A CN 201810880097 A CN201810880097 A CN 201810880097A CN 108798492 A CN108798492 A CN 108798492A
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- Prior art keywords
- bench
- engineering machinery
- folding ladder
- mounting bracket
- ladder
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- 239000000203 mixture Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 16
- 230000000007 visual effect Effects 0.000 description 16
- 239000007787 solid Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
- E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention relates to a kind of folding ladders, more particularly, to a kind of engineering machinery folding ladder.Engineering machinery folding ladder includes the first bench, the second step and third bench；First bench and the second step rotation connection, the first bench can turn to the position overlapped with the second step；The second step is slidably connected with third bench, and the second step can be accommodated into third bench；First bench and the length of the second step are respectively less than the length of third bench.In the engineering machinery folding ladder, first bench and the second step are rotatablely connected and congruent manner are used to pack up, the second step and third bench are slidably connected and retraction mode are used to pack up, and overcome the existing ladder occupied space smaller for folding inflexible problem and making collapsed state of Multi-section telescopic folding ladder.
Description
Technical field
The present invention relates to a kind of folding ladders, more particularly, to a kind of engineering machinery folding ladder.
Background technology
Ladder is a kind of common ascending tool, and the long thick bar being usually spaced by two does ladder bars, and intermediate lateral setting is multiple
Treadle for climbing.
The general volume of engineering machinery is larger, and operating position is higher apart from ground, needs by above and below ladder.Existing engineering
The ladder used in machinery can not fold, or fold underaction, and the ladder occupied space of collapsed state is larger.
Invention content
The purpose of the present invention is to provide a kind of engineering machinery folding ladder, with solve to use in existing engineering machinery
Ladder is not foldable or folds the problem dumb, occupied space is big.
The present invention provides a kind of engineering machinery folding ladder, including the first bench, the second step and third bench；Described
One bench and the second step rotation connection, first bench can turn to the position overlapped with the second step；
The second step is slidably connected with the third bench, and the second step can be accommodated into the third bench；Described first
Bench and the length of the second step are respectively less than the length of the third bench.
Further, further include mounting bracket for being connect with engineering machinery, the mounting bracket is slided with the third bench
Dynamic connection, when the third bench slides into the end of the mounting bracket, the third bench can be relative to the installation
Frame rotates, and the entirety of the third bench, the second step and first bench composition can store in a folded configuration
Into the mounting bracket.
Further, the ladder bars of the third bench have hollow portion, the telescopic insertion of ladder bars of the second step
The hollow portion.
Further, the ladder bars of the third bench are equipped with the first sliding groove, and the end of the second step is equipped with sliding
Protrusion, the slide protrusion are to be slidably matched with the first sliding groove.
Further, the slide protrusion is axis pin, and the ladder bars of the second step are equipped with corresponding with the axis pin
Pin hole, the axis pin can rotate in the pin hole.
Further, first bench is " u "-shaped curved bar.
Further, one end of the third bench is equipped with sliding shaft, and the third bench can turn around the sliding
Shaft rotation is dynamic, and the mounting bracket is internally provided with second sliding slot, and the sliding shaft is to be slidably matched with the second sliding slot.
Further, the at one end of the mounting bracket be equipped with inclined plate, the inclined plate be used for limit the third bench around
Angle of inclination.
Further, the end of the mounting bracket and the end of the second step are equipped with corresponding mounting hole, described
Mounting hole is for wearing rod-like members with the fixation the second step.
Further, the length of the length L1 of first bench, the length L2 of the second step and the third bench
The relationship spent between L3 is L3=2L2=2L1.
In engineering machinery folding ladder provided by the invention, the first bench and the second step are rotatablely connected and use overlapping side
Formula is packed up, and the second step and third bench are slidably connected and retraction mode used to pack up, and overcomes the presence of Multi-section telescopic folding ladder
The inflexible problem of folding；And because the first bench and the second step rotation overlapping are packed up, do not require the second step that there is energy
The inner space for enough accommodating the first bench reduces the volume requirement to the second step, thereby reduces the body of entire folding ladder
Product so that the ladder occupied space smaller of collapsed state.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram at the first visual angle of engineering machinery folding ladder provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram at visual angle of the engineering machinery folding ladder shown in FIG. 1 under the first folding step；
Fig. 3 is a kind of structural schematic diagram at visual angle of the engineering machinery folding ladder shown in FIG. 1 under the second folding step；
Fig. 4 is a kind of structural schematic diagram at the visual angle of engineering machinery folding ladder shown in FIG. 1 in a folded configuration；
Fig. 5 is a kind of structural schematic diagram at visual angle of the first bench of engineering machinery folding ladder shown in FIG. 1；
Fig. 6 is a kind of structural schematic diagram at visual angle of the second step of engineering machinery folding ladder shown in FIG. 1；
Fig. 7 is a kind of structural schematic diagram at visual angle of the third bench of engineering machinery folding ladder shown in FIG. 1；
Fig. 8 is a kind of structural schematic diagram at visual angle of the mounting bracket of engineering machinery folding ladder shown in FIG. 1.
In figure：The first bench of 1-；101- first through hole；12- rotation axis；2- the second steps；The second through-holes of 201-；202-
Three through-holes；The first mounting holes of 203-；23a- slide protrusions；23b- the first sliding grooves；3- third bench；34a- pin sleeves；34b-
Two sliding slots；34c- sliding shafts；4- mounting brackets；401- mounting holes；402- inclined plates；The second mounting holes of 403-；404- baffles；6- is solid
Determine bar.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the structural schematic diagram at the first visual angle of engineering machinery folding ladder provided by the invention.Referring to Fig. 1, this hair
Bright embodiment provides a kind of engineering machinery folding ladder, including the first bench 1, the second step 2 and third bench 3；First bench 1
It is rotatablely connected with the second step 2, the first bench 1 can turn to the position overlapped with the second step 2；The second step 2 and third
Bench 3 is slidably connected, and the second step 2 can be accommodated into third bench 3；First bench 1 and the length of the second step 2 are respectively less than third
The length of bench 3.Folding ladder provided in this embodiment at least has use state and folded state two states.In use state
Under, the first bench 1, the second step 2 and third bench 3 are in line or other setting unfoldable shapes；In a folded configuration,
The entirety that one bench 1, the second step 2 and third bench 3 form has minimum volume so that the entirety can be accommodated into most corpusculum
In long-pending rectangular parallelepiped space.
Fig. 2 is a kind of structural schematic diagram at visual angle of the engineering machinery folding ladder shown in FIG. 1 under the first folding step.
Fig. 3 is a kind of structural schematic diagram at visual angle of the engineering machinery folding ladder shown in FIG. 1 under the second folding step；Fig. 4 is Fig. 1
Shown in a kind of visual angle of the engineering machinery with folding ladder in a folded configuration structural schematic diagram.Referring to Fig. 2, the first of folding
In step, the first bench 1 is turned into the position overlapped with the second step 2 around rotation axis 12.First bench 1 under the folded position
Lower surface be bonded with the upper surface of the second step 2, the first bench 1 is located at the outside of the second step 2.Referring to Fig. 2, in folding
In second step, the sliding of the second step 2 is accommodated into third bench 3 so that the second step 2 is completely in third bench 3
In inner space.It should be noted that the first bench 1 does not enter the inner space of third bench 3 at this time, the first bench 1 is still located
In the position overlapped with the second step 2, but its lower surface becomes being bonded with the upper surface of third bench 3.
In engineering machinery folding ladder provided in an embodiment of the present invention, the first bench 1 and the second step 2 are rotatablely connected and adopt
It is packed up with congruent manner, the second step 2 and third bench 3 are slidably connected and are packed up using retraction mode, and Multi-section telescopic is overcome
Folding ladder is existing to fold inflexible problem；And because the first bench 1 and the rotation overlapping of the second step 2 are packed up, the is not required
Two bench 2 have the inner space that can accommodate the first bench 1, reduce the volume requirement to the second step 2, thereby reduce
The volume of entire folding ladder so that the ladder occupied space smaller of collapsed state.
Fig. 8 is a kind of structural schematic diagram at visual angle of the mounting bracket of engineering machinery folding ladder shown in FIG. 1.Preferably,
Referring to Fig. 1 and Fig. 8, the engineering machinery provided in this embodiment mounting bracket 4 that folding ladder further includes for being connect with engineering machinery,
Mounting bracket 4 is slidably connected with third bench 3, and when third bench 3 slides into the end of mounting bracket 4, third bench 3 can be opposite
It is rotated in mounting bracket 4, the entirety of third bench 3, the second step 2 and the first bench 1 composition can be accommodated into a folded configuration
Mounting bracket 4.Referring to Fig. 8, there is mounting bracket 4 box-like shape, mounting bracket 4 to be equipped with mounting hole 401, and mounting hole 401 is for installing
Frame 4 is fixedly connected with engineering machinery chassis.In a state of use, third bench 3 slides into the end of mounting bracket 4 and turns to
The position of setting, the second step 2 slide into the position of elongation relative to third bench 3, and the first bench 1 is relative to the second step 2
It goes to the position of setting.In the present embodiment, the first bench 1, the second step 2 and third bench 3 are in together under use state
On straight line.When packing up, the first bench 1, the second step 2 and third bench 3 are completed to fold by abovementioned steps, the first bench 1,
Being accommodated into mounting bracket 4 entirely through rotation and sliding after the second step 2 and the folding of third bench 3.By the way that mounting bracket is arranged
4 so that the connection between folding ladder and engineering machinery is more convenient and firm, and the inside by being accommodated into mounting bracket 4 is empty
Between, avoid the folding ladder after recycling from bringing inconvenience the use of engineering machinery.
Fig. 7 is a kind of structural schematic diagram at visual angle of the third bench of engineering machinery folding ladder shown in FIG. 1.It is preferred that
Ground, in the present embodiment, the ladder bars of third bench 3 have hollow portion, the telescopic insertion third bench of ladder bars of the second step 2
3 hollow portion.The ladder bars of third bench 3 are non-solid structure, have hollow region inside ladder bars, can accommodate the second ladder
The ladder bars of section 2 enter.The hollow portion can be formed by closed shell, can also be not completely closed structure.In this implementation
In example, hollow portion is not completely closed structure, and ladder bars are welded by three steel bars, or is bent by a wider steel bar
Three sides for forming rectangle are formed.By setting third bench 3 to hollow structure, the weight of third bench 3 on the one hand can be mitigated
Amount saves material, on the other hand enables to the size of the second step 2 can be with third bench 3 more closely, being conducive to be promoted
The intensity of the second step 2.In addition, the hollow structure of third bench 3 can be also used for constituting the track slided for the second step 2,
Simplify the structure of folding ladder.
Fig. 6 is a kind of structural schematic diagram at visual angle of the second step of engineering machinery folding ladder shown in FIG. 1.It is preferred that
Ground, in the present embodiment, the ladder bars of third bench 3 are equipped with the first sliding groove 23b, and the end of the second step 2 is equipped with slide protrusion
23a, slide protrusion 23a and the first sliding groove 23b are to be slidably matched.The first sliding groove 23b is the form of kidney slot, simple processing, section
Material saving and reliability and durability.The position that opens up of the first sliding groove 23b can be on any one face of ladder bars.In the present embodiment
In, the first sliding groove 23b is arranged on the ladder bars side of third bench 3, and slide protrusion 23a is also correspondingly arranged at the second step 2
On ladder bars side.In the present embodiment, the ladder bars hollow portion of third bench 3 has the shape coordinated with the ladder bars of the second step 2,
The track slided for the second step 2 is constituted, the first sliding groove 23b and being slidably matched for slide protrusion 23a are played to the second step 2
The effect that sliding in third bench 3 is oriented to, ensure that the spirit being slidably connected between the second step 2 and third bench 3
It is living reliable.
Preferably, in the present embodiment, slide protrusion 23a is axis pin, and the second step 2 is used for equipped with third through-hole 202
Wear the axis pin.Slide protrusion 23a can be rotated in third through-hole 202.By the shape for setting slide protrusion 23a to axis pin
Not only included the ingredient of simple sliding in being slidably connected of formula, the second step 2 and third bench 3 but include pin rolling at
Point, be not in stuck situation so that the sliding between two bench is more flexible smooth.
Fig. 5 is a kind of structural schematic diagram at visual angle of the first bench of engineering machinery folding ladder shown in FIG. 1.Referring to figure
5, in the present embodiment, the ladder bars and treadle of the first bench 1 are solid hopkinson bar.Because the first bench 1 is that rotation connects with the second step 2
Connect, and the first bench 1 is located at the outermost end of folding ladder, the volume of the first bench 1 be not slidably connected present in limit because
Element only need to meet requirement and intensity requirement.Therefore, in the present embodiment, the ladder bars of the first bench 1 and treadle are equal
It is designed as solid hopkinson bar, reduces the volume of the first bench 1, and simple and reliable.
Preferably, referring to Fig. 5 and Fig. 6, in the present embodiment, the first bench 1 is " u "-shaped curved bar.First bench 1 has one
A section of ladder, the length of the first bench 1 are equal to the length between two neighboring treadle.Therefore the first bench 1 can be solid by one
Bar is bent into " u "-shaped and obtains, easily manufactured, saves material, and reliability is high, long lifespan.The " u "-shaped end of first bench 1
Equipped with first through hole 101.The second step 2 is equipped with second through-hole 201 corresponding with first through hole 101.Rotation axis 12 is axis pin.
Rotation axis 12 passes through first through hole 101 and the second through-hole 201 to realize the rotation connection of the first bench 1 and the second step 2.
Preferably, referring to Fig. 7 and Fig. 8, in the present embodiment, one end of third bench 3 is equipped with sliding shaft 34c, third
Bench 3 can be rotated around sliding shaft 34c, and mounting bracket 4 is internally provided with second sliding slot 34b, sliding shaft 34c and second sliding slot
34b is to be slidably matched.Sliding shaft 34c is long pin shaft, and pin sleeve corresponding with sliding shaft 34c is provided in third bench 3
34a, sliding shaft 34c are threaded through in pin sleeve 34a.The inside in 4 side of mounting bracket is arranged in second sliding slot 34b, is three face slots
Form.There is baffle 404 in the end set of mounting bracket 4, for preventing sliding shaft 34c from being skidded off from second sliding slot 34b.It is sliding
Guiding and limit are played in the sliding to third bench 3 in mounting bracket 4 that is slidably matched of turn axis 34c and second sliding slot 34b
Effect so that the sliding is more flexible.Sliding shaft 34c enables third bench 3 to turn to setting relative to mounting bracket 4
Angle of inclination meets requirement.
Preferably, referring to Fig. 4, the at one end of mounting bracket 4 is equipped with inclined plate 402, and inclined plate 402 exists for limiting third bench 3
Angle of inclination under use state.Inclined plate 402 is fixedly connected on the bottom surface of mounting bracket 4, and the lower part of inclined plate 402 is bent, relative to
Horizontal plane is at an angle.The angle corresponds to the folding ladder angle of inclination whole in use state.By the way that inclined plate 402 is arranged,
The angle of inclination when rotational angle of third bench 3 and then fixed entire folding ladder use can be limited, it is different to meet
Requirement.In the present embodiment, inclined plate 402 is removably arranged on holder 4, and inclined plate 402 is multiple, multiple inclined plates
402 have different bending angles, and inclination angle is used corresponding to different.In use, corresponding according to using needs installation to have
The inclined plate 402 of bending angle.
Preferably, referring to Fig. 4, Fig. 6 and Fig. 8, the end of mounting bracket 4 and the end of the second step 2 are equipped with corresponding solid
Determine hole, including the first mounting hole 203 and the second mounting hole 403.First mounting hole 203 and the second mounting hole 403 are for wearing bar
Shape component simultaneously fixes the second 2 sections of ladder.Second mounting hole 403 is arranged on the second step 2, is located under folded state close to rotation axis
12 one end.First mounting hole 203 is arranged on holder 4.Rod-like members in the present embodiment are fixed bar 6, fixed bar 6
It crosses the first mounting hole 203 and the second mounting hole 403 fixes the second step 2 after folding, and then fixed entire folding ladder.
Preferably, in the present embodiment, the length L1 of the first bench 1, the length L2 of the second step 2 and third bench 3
Relationship between length L3 is L3=2L2=2L1.L1 and L2 is respectively less than L3, and three length for losing bench, which are arranged such, to expire
Requirement of the common engineering truck of foot to folding ladder length, and fold flexibly, it is easy to use.
Second embodiment of the invention provides a kind of engineering machinery folding ladder, including the first bench, the second step and
Three bench；First bench and the second step rotation connection, the first bench can turn to the position overlapped with the second step；Second
Bench is slidably connected with third bench, and the second step can be accommodated into third bench；First bench and the length of the second step are small
In the length of third bench.The folding ladder further includes the mounting bracket for being connect with engineering machinery, and mounting bracket is slided with third bench
Dynamic connection, when third bench slides into the end of mounting bracket, third bench can be rotated relative to mounting bracket, third bench,
The entirety of the second step and the first bench composition can be accommodated into mounting bracket in a folded configuration.
In the present embodiment, the ladder bars of third bench do not have hollow portion but a solid construction, and the second step is accommodated into the
Space between three ladder bars of bench two.
In the present embodiment, the limiting plate adjustable-angle on holder mounted on one end of holder, pass through and adjust limit
The angle of plate itself can obtain different folding step angles of inclination.
In the present embodiment, the first bench is made of solid hopkinson bar, and the first bench tool is there are two section of ladder, the first bench L1, the
The length relation of two bench L2 and third bench L3 is：L1=2L2=L3.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of engineering machinery folding ladder, which is characterized in that including the first bench, the second step and third bench；Described
One bench and the second step rotation connection, first bench can turn to the position overlapped with the second step；
The second step is slidably connected with the third bench, and the second step can be accommodated into the third bench；Described first
Bench and the length of the second step are respectively less than the length of the third bench.
2. engineering machinery folding ladder according to claim 1, which is characterized in that further include for being connect with engineering machinery
Mounting bracket, the mounting bracket is slidably connected with the third bench, and the end of the mounting bracket is slid into the third bench
When portion, the third bench can be rotated relative to the mounting bracket, the third bench, the second step and described first
The entirety of bench composition, can be accommodated into the mounting bracket in a folded configuration.
3. engineering machinery folding ladder according to claim 1, which is characterized in that during the ladder bars of the third bench have
Empty portion, the ladder bars of the second step are telescopic to be inserted into the hollow portion.
4. engineering machinery folding ladder according to claim 3, which is characterized in that the ladder bars of the third bench are equipped with
The end of the first sliding groove, the second step is equipped with slide protrusion, and the slide protrusion is to be slidably matched with the first sliding groove.
5. engineering machinery folding ladder according to claim 4, which is characterized in that the slide protrusion is axis pin, described
The ladder bars of the second step are equipped with pin hole corresponding with the axis pin, and the axis pin can rotate in the pin hole.
6. engineering machinery folding ladder according to claim 5, which is characterized in that first bench is " u "-shaped curved bar.
7. engineering machinery folding ladder according to claim 2, which is characterized in that one end of the third bench, which is equipped with, to be slided
Turn axis, the third bench can be rotated around the sliding shaft, and the mounting bracket is internally provided with second sliding slot, the cunning
Turn axis is to be slidably matched with the second sliding slot.
8. engineering machinery folding ladder according to claim 7, which is characterized in that the at one end of the mounting bracket is equipped with oblique
Plate, the inclined plate are used to limit the angle of inclination of the third bench.
9. engineering machinery folding ladder according to claim 4, which is characterized in that the end of the mounting bracket and described
The end of two bench is equipped with corresponding mounting hole, and the mounting hole is for wearing rod-like members with the fixation the second step.
10. engineering machinery folding ladder according to claim 1, which is characterized in that the length L1 of first bench, institute
It is L3=2L2=2L1 to state the relationship between the length L2 of the second step and the length L3 of the third bench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880097.8A CN108798492A (en) | 2018-08-03 | 2018-08-03 | A kind of engineering machinery folding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880097.8A CN108798492A (en) | 2018-08-03 | 2018-08-03 | A kind of engineering machinery folding ladder |
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| Publication Number | Publication Date |
|---|---|
| CN108798492A true CN108798492A (en) | 2018-11-13 |
Family
ID=64079243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810880097.8A Pending CN108798492A (en) | 2018-08-03 | 2018-08-03 | A kind of engineering machinery folding ladder |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202220546U (en) * | 2011-08-12 | 2012-05-16 | 三一汽车起重机械有限公司 | Work ladder and engineering machinery applying same |
| CN203547509U (en) * | 2013-09-05 | 2014-04-16 | 中联重科股份有限公司 | Folding ladder and engineering machinery |
| CN206436921U (en) * | 2016-12-29 | 2017-08-25 | 衡阳泰豪通信车辆有限公司 | A kind of double-layer combined pull ladder |
| CN107191130A (en) * | 2017-07-28 | 2017-09-22 | 江西电力职业技术学院 | A kind of foldable hanging ladder device |
| WO2018064911A1 (en) * | 2016-10-08 | 2018-04-12 | 王睿 | Pull-type safe ladder for high-voltage wire frame |
| CN209261457U (en) * | 2018-08-03 | 2019-08-16 | 三一汽车起重机械有限公司 | A kind of engineering machinery folding ladder |
-
2018
- 2018-08-03 CN CN201810880097.8A patent/CN108798492A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202220546U (en) * | 2011-08-12 | 2012-05-16 | 三一汽车起重机械有限公司 | Work ladder and engineering machinery applying same |
| CN203547509U (en) * | 2013-09-05 | 2014-04-16 | 中联重科股份有限公司 | Folding ladder and engineering machinery |
| WO2018064911A1 (en) * | 2016-10-08 | 2018-04-12 | 王睿 | Pull-type safe ladder for high-voltage wire frame |
| CN206436921U (en) * | 2016-12-29 | 2017-08-25 | 衡阳泰豪通信车辆有限公司 | A kind of double-layer combined pull ladder |
| CN107191130A (en) * | 2017-07-28 | 2017-09-22 | 江西电力职业技术学院 | A kind of foldable hanging ladder device |
| CN209261457U (en) * | 2018-08-03 | 2019-08-16 | 三一汽车起重机械有限公司 | A kind of engineering machinery folding ladder |
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Application publication date: 20181113 |