CN204283198U - A kind of aerial ladder engineering machinery and ladder thereof - Google Patents
A kind of aerial ladder engineering machinery and ladder thereof Download PDFInfo
- Publication number
- CN204283198U CN204283198U CN201420566350.XU CN201420566350U CN204283198U CN 204283198 U CN204283198 U CN 204283198U CN 201420566350 U CN201420566350 U CN 201420566350U CN 204283198 U CN204283198 U CN 204283198U
- Authority
- CN
- China
- Prior art keywords
- ladder
- lower edge
- edge parts
- chute
- parts
- Prior art date
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses a kind of aerial ladder engineering machinery and ladder thereof, this ladder comprises at least two joint joint arms, each described joint arm comprises the parts that wind up, lower edge parts and the web member of parts and described lower edge parts of winding up described in connecting, adjacent described both joint arms one is provided with chute, another one is provided with and coordinates with described chute the slide rail slided, and described slide rail is formed on described lower edge parts; In the utility model, between adjacent segments arm, the chute of relative sliding is formed by lower edge parts, compared with prior art, chute is herein arranged on lower edge parts, to coordinate with miscellaneous part without the need to lower edge parts and formed, the factor affecting chute flatness reduces greatly, the flatness of chute can be improved, the hidden danger of clamping stagnation can be reduced, and, chute is arranged at the distance that lower edge parts can reduce to a certain extent between two joint arms, be conducive to the utilization rate improving cross section, and be conducive to the setting optimizing other parts in ladder, be conducive to the optimal design-aside of ladder entirety.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of aerial ladder engineering machinery and ladder thereof.
Background technology
Aerial ladder engineering machinery is a kind of main fire-fighting assembling carrying out fire fighting and rescue, and mainly comprise chassis and ladder, ladder is installed on chassis, and the flexible realization of ladder is positioned at the work high above the ground function of the working platform on ladder top.
Ladder mechanism is as the main load bearing component of aerial ladder engineering machinery, and its supporting capacity directly determines the size of the rated load of car load, and the architecture quality of its structural member directly has influence on the safety of car load.Motor ladder is famous with maneuverability, Quick rescue, thus to its flexible ride comfort and security requirement higher.
Please refer to Fig. 1-2, Fig. 1 is the structural representation of a kind of open type truss ladder that prior art is commonly used; Fig. 2 is the partial enlarged drawing of Fig. 1.
Ladder of the prior art is generally collapsible or flexible multistage steel frame, and the main rectangular steel pipe that adopts is welded.Coxopodite arm and epimerite arm configuration different, all the other are identical.Illustrate for four joint arms below.Please refer to Fig. 1, joint arm comprises upper chord, lower chord and is connected to the joint arm web member between upper chord and lower chord, is provided with chute and slide block assembly, saves relative elongation or retraction between arm so that each between each joint arm.Wherein, chute generally adopts Fig. 2 mode to arrange, chute is arranged on the coxopodite arm of adjacent segments arm, a joint arm near chassis in two joint arms is defined as coxopodite arm herein, coxopodite arm chute is surrounded jointly by the upper surface of the guide block be welded on the joint arm web member of coxopodite arm and lower chord 1, and general shape is U-shaped.Slide track component comprises slide block and take-up housing, and take-up housing is welded on the lower chord of partial node arm.Usually, slide block is screwed on take-up housing.
Described as can be seen from above, it is U-shaped that chute of the prior art generally adopts guide block and lower chord to form, and take-up housing is welded on the form of structure on the lower chord of partial node arm.The ride comfort that total is stretched because of the deformation effect ladder welded, manufacturing process is complicated, and production efficiency is low, and cost is high.The guide groove that slide block is installed in addition is welded construction, in ladder operation process, there is the potential safety hazard of clamping stagnation.
In addition, lower chord is that the ladder of square structure composition occupies larger space, and not easily arrange other component, the utilization rate in ladder cross section is lower.
Therefore, how improving the structure of ladder, improve flexible ride comfort, reduce the hidden danger of clamping stagnation, is those skilled in that art's technical problems urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is for providing a kind of aerial ladder engineering machinery and ladder thereof, and this ladder ride comfort that stretches is relatively good, can reduce the hidden danger of clamping stagnation, and can improve the utilization rate in cross section.
For solving the problems of the technologies described above, the utility model provides a kind of ladder for aerial ladder engineering machinery, comprise at least two joint joint arms, each described joint arm comprises the parts that wind up, lower edge parts and the web member of parts and described lower edge parts of winding up described in connecting, adjacent described both joint arms one is provided with chute, another one is provided with and coordinates with described chute the slide rail slided, and described chute is formed on described lower edge parts.
Preferably, described lower edge parts have depressed part, and described depressed part forms described chute.
Preferably, described lower edge parts also have lug boss, and described lug boss is formed and coordinates with the depressed part of the lower edge parts of adjacent described joint arm the described slide rail slided.
Preferably, described lower edge parts comprise lower edge supporter and are located at the slide on described lower edge supporter, and be installed with slide block in described slide, described depressed part is located on described slide block, and described slide rail is fixed on corresponding described web member.
Preferably, the upper surface of described lower edge supporter comprises the first surface and second arranged in ladder, described first surface is higher than described second, described web member connects described first surface, described slide is located at described second, and a side of described slide is against the joint face of described first surface and second.
Preferably, the inner side of web member is located at by described slide rail, and described depressed part is be arranged at the outside groove of described slide block upper shed, and the groove of described slide block of a rear joint arm coordinates with the described slide rail of last joint arm and slides.
Preferably, described slide is fixed on described web member by screw.
Preferably, when described ladder is in contraction state, two adjacent described joint arms are positioned at the lower edge supporter of homonymy in a first direction face to face, and are parallel to each other, and described first direction is along each described lower edge supporter arranged direction.
Preferably, described lower edge parts are steel tubes.
Compared with prior art, in the utility model, between adjacent segments arm, the chute of relative sliding is formed by lower edge parts, to coordinate with miscellaneous part without the need to lower edge parts and formed, the factor affecting chute flatness reduces greatly, the flatness of chute can be improved, the hidden danger of clamping stagnation can be reduced, and, chute is arranged at the distance that lower edge parts can reduce to a certain extent between two joint arms, be conducive to the utilization rate improving cross section, and be conducive to the setting optimizing other parts in ladder, be conducive to the optimal design-aside of ladder entirety.
The utility model additionally provides a kind of aerial ladder engineering machinery, comprises chassis and is arranged at the ladder on described chassis, and described ladder is the ladder described in above-mentioned any one.
Aerial ladder engineering machinery of the present utility model has above-mentioned ladder, therefore this aerial ladder engineering machinery also has the above-mentioned technique effect of ladder.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of open type truss ladder that prior art is commonly used;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of ladder in the first specific embodiment of the utility model;
Fig. 4 is the part-structure schematic diagram of Fig. 3;
Fig. 5 is the structural representation of lower edge parts in Fig. 3;
Fig. 6 is the structural representation of ladder in the utility model the second specific embodiment;
Fig. 7 is the structural representation of lower edge parts in Fig. 6.
Wherein, the one-to-one relationship in Fig. 1-2 between component names and Reference numeral is as follows:
Lower edge parts 11, guide block 12, web member 13, the parts 14 that wind up, slide block 20, slide block mount pad 21, screw 22, screw 23.
Wherein, the one-to-one relationship in Fig. 3-7 between component names and Reference numeral is as follows:
Lower edge supporter 30, the parts 50 that wind up, web member 31, slide block 40, slide 41, slide rail 42, screw 43, first surface 301, second face 302, joint face 305, lower edge parts 60, lug boss 601, depressed part 602.
Detailed description of the invention
Core of the present utility model is for providing a kind of aerial ladder engineering machinery and ladder thereof, and this ladder ride comfort that stretches is relatively good, can reduce the hidden danger of clamping stagnation, and can improve the utilization rate in cross section.
Herein introduce technical scheme for open type truss ladder, it will be understood by those skilled in the art that the design of ladder described herein for other form ladder also in protection domain herein.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to the structural representation that Fig. 3-4, Fig. 3 is ladder in the first specific embodiment of the utility model; Fig. 4 is the part-structure schematic diagram of Fig. 3; Adjacent two joint arms are wherein only shown in Fig. 4.
The utility model provides a kind of ladder for aerial ladder engineering machinery, comprise at least two joint joint arms, each joint arm comprises the parts that wind up, lower edge parts and connection and to wind up the web member 31 of parts and lower edge parts, and the symmetrical distribution of lower edge parts of same joint arm, is connected with gangboard 51 between the two.Both lower edge parts one of adjacent segments arm is provided with chute, and another one is provided with the slide rail coordinating with chute and slide, and chute is formed on lower edge parts.Wind up parts and lower edge parts can be the lighter steel tubes of weight, also can be other forms of structural member.
Compared with prior art, in the utility model, between adjacent segments arm, the chute of relative sliding is formed by lower edge parts, to coordinate with miscellaneous part without the need to lower edge parts and formed, the factor affecting chute flatness reduces greatly, the flatness of chute can be improved, the hidden danger of clamping stagnation can be reduced, and, chute is arranged at the distance that lower edge parts can reduce to a certain extent between two joint arms, be conducive to the utilization rate improving cross section, and be conducive to the setting optimizing other parts in ladder, be conducive to the optimal design-aside of ladder entirety.
It should be noted that, the joint arm near chassis in two joint arms is defined as last joint arm herein, correspondingly, a joint arm after another joint arm is defined as.
In a kind of concrete embodiment, lower edge parts have depressed part, and depressed part forms chute.Depressed part can be arranged at the upper surface of lower edge parts, also can be arranged at the side of lower edge parts.
Please refer to the structural representation that Fig. 6-7, Fig. 6 is ladder in the utility model the second specific embodiment; Fig. 7 is the structural representation of lower edge parts in Fig. 6.
In a kind of preferred embodiment, lower edge parts also have lug boss 601, and lug boss 601 is formed and coordinates with the depressed part 602 of the lower edge parts of adjacent segments arm the slide rail slided.For Fig. 6, the depressed part 602 in the lower edge parts of last joint arm forms with rear one lug boss 601 saving the lower edge parts of arm the chute and slide rail that cooperatively interact.
Certainly, also can arrange as follows: the depressed part that the lug boss in the lower edge parts of last joint arm and rear saves the lower edge parts of arm forms the slide rail and chute that cooperatively interact.
Like this, chute and slide rail are formed by lower edge parts, relatively can reduce the quantity of installing component.
Certainly, in order to slow down wearing and tearing, the slide block 61 made can be set in the depressed part of lower edge parts, slide block 61 be provided with the chute coordinated with slide rail by high-abrasive material.
Fig. 3-4 please be refer again to, and composition graphs 5, Fig. 5 is the structural representation of lower edge parts in Fig. 3.
In another preferred embodiment, the slide 41 that lower edge parts comprise lower edge supporter 30 and are located on lower edge supporter 30, slide block 40 is provided with in slide 41, depressed part is located on slide block 40, slide block 40 can adopt the relatively material such as anti abrasive rubber, and slide rail 42 is fixed on corresponding web member 31.In present embodiment, lower edge parts are Split type structure, relatively easily process, and when seated, can so that regulate the cooperation position relation between last joint arm and a rear joint arm, convenient installation.
On the basis of above-described embodiment, the upper surface of lower edge supporter 30 comprises the first surface 301 and the second face 302 arranged in ladder, first surface 301 is higher than the second face 302, web member 31 connects first surface 301, slide 41 is located at the second face 302, and a side of slide 41 is against the joint face 305 in first surface 301 and the second face 302.Like this, when slide 41 is installed, the joint face 305 in first surface 301 and the second face 302 can play the effect of location to slide 41, be conducive to the Fast Installation of slide 41.
In a kind of specific embodiment, the inner side of web member 31 is located at by slide rail 42, and depressed part is be arranged at the outside groove of slide block 40 upper shed, and the groove of slide block 40 of a rear joint arm coordinates with the slide rail 42 of last joint arm and slides.It should be noted that, herein will in vertical median plane side be defined as, corresponding is outward away from vertical median plane side, and wherein, vertical median plane is the median plane of the pedal arranged direction perpendicular to ladder.
In the various embodiments described above, slide 41 can be secured by bolts on web member 31; Bolt is fixed simple and convenient and can be eliminated the impact of welding deformation in prior art, and assembling adjustability is higher.
In the various embodiments described above, when ladder is in contraction state, two adjacent segments arms are positioned at the lower edge supporter 30 of homonymy in a first direction face to face, and be parallel to each other, for Fig. 5, face 303 and face 304 are parallel to each other, and it should be noted that, described first direction is along each lower edge supporter 30 arranged direction herein.
With use compared with lower edge square tube in prior art, there is along arranged direction between lower edge supporter 30 in present embodiment the face (face 303 and face 304) be parallel to each other, the space between two joint arms can be made compacter, when realizing same stiffness, can greatly reduce taking up space of overall ladder.
That is, the lower edge supporter in the various embodiments described above is steel tubes, and its cross section is non-convex figure, and base can be horizontal plane, and the side connecting gangboard 51 can be vertical edge 306.
On the basis of above-mentioned ladder, the utility model additionally provides a kind of aerial ladder engineering machinery, comprises chassis and is arranged at the ladder on chassis, and ladder is the ladder described in above-mentioned any embodiment.
Aerial ladder engineering machinery of the present utility model has above-mentioned ladder, therefore this aerial ladder engineering machinery also has the above-mentioned technique effect of ladder.
Other structures of aerial ladder engineering machinery please refer to prior art, do not repeat at this.
Above a kind of aerial ladder engineering machinery provided by the utility model and ladder thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (11)
1. the ladder for aerial ladder engineering machinery, comprise at least two joint joint arms, each described joint arm comprises the parts that wind up, lower edge parts and the web member (31) of parts and described lower edge parts of winding up described in connecting, adjacent described both joint arms one is provided with chute, another one is provided with and coordinates with described chute the slide rail slided, it is characterized in that, described chute is formed on described lower edge parts.
2. ladder as claimed in claim 1, it is characterized in that, described lower edge parts have depressed part, and described depressed part forms described chute.
3. ladder as claimed in claim 2, it is characterized in that, described lower edge parts also have lug boss (601), and described lug boss (601) is formed and coordinates with the depressed part (602) of the lower edge parts of adjacent described joint arm the described slide rail slided.
4. ladder as claimed in claim 2, it is characterized in that, described lower edge parts comprise lower edge supporter (30) and are located at the slide (41) on described lower edge supporter (30), slide block (40) is installed with in described slide (41), described depressed part is located at described slide block (40), and described slide rail is fixed on corresponding described web member (31).
5. ladder as claimed in claim 4, it is characterized in that, the upper surface of described lower edge supporter (30) comprises the first surface (301) and second (302) arranged in ladder, described first surface (301) is higher than described second (302), described web member (31) connects described first surface (301), described slide (41) is located at described second (302), and a side of described slide (41) is against the joint face (305) of described first surface (301) and second (302).
6. ladder as claimed in claim 5, it is characterized in that, the inner side of web member (31) is located at by described slide rail, described depressed part is for being arranged at the outside groove of described slide block (40) upper shed, and the groove of described slide block of a rear joint arm coordinates with the described slide rail of last joint arm and slides.
7. ladder as claimed in claim 5, it is characterized in that, described slide (41) is fixed on described web member (31) by screw.
8. the ladder as described in any one of claim 4 to 7, it is characterized in that, when described ladder is in contraction state, two adjacent described joint arms are positioned at the lower edge supporter (30) of homonymy in a first direction face to face, and be parallel to each other, described first direction is along each described lower edge supporter (30) arranged direction.
9. the ladder as described in any one of claim 1 to 7, is characterized in that, described lower edge parts are steel tubes.
10. ladder as claimed in claim 8, it is characterized in that, described lower edge parts are steel tubes.
11. 1 kinds of aerial ladder engineering machinery, comprise chassis and are arranged at the ladder on described chassis, it is characterized in that, described ladder is the ladder described in any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566350.XU CN204283198U (en) | 2014-09-28 | 2014-09-28 | A kind of aerial ladder engineering machinery and ladder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566350.XU CN204283198U (en) | 2014-09-28 | 2014-09-28 | A kind of aerial ladder engineering machinery and ladder thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283198U true CN204283198U (en) | 2015-04-22 |
Family
ID=52866373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420566350.XU Expired - Lifetime CN204283198U (en) | 2014-09-28 | 2014-09-28 | A kind of aerial ladder engineering machinery and ladder thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525861A (en) * | 2014-09-28 | 2016-04-27 | 徐州重型机械有限公司 | Scaling ladder engineering machinery and ladder assembly of scaling ladder engineering machinery |
-
2014
- 2014-09-28 CN CN201420566350.XU patent/CN204283198U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525861A (en) * | 2014-09-28 | 2016-04-27 | 徐州重型机械有限公司 | Scaling ladder engineering machinery and ladder assembly of scaling ladder engineering machinery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205205648U (en) | Road and bridge screen that keeps out wind | |
| CN105155828A (en) | Lifting platform and four-upright guide rail bracket thereof | |
| CN204283198U (en) | A kind of aerial ladder engineering machinery and ladder thereof | |
| CN105752855A (en) | Windproof stable gantry crane | |
| CN205591110U (en) | Bridge inspect vehicle telescopic platform's guider | |
| CN105525861A (en) | Scaling ladder engineering machinery and ladder assembly of scaling ladder engineering machinery | |
| CN204265337U (en) | Vehicle frame and engineering machinery | |
| CN206859725U (en) | A kind of building structure strengthening attachment means | |
| CN202577688U (en) | Articulated cross beam-free metal plate curtain wall | |
| CN105178189A (en) | Mounting operation platform for cantilever of steel box girder | |
| CN205653068U (en) | Reinforcement type gantry crane | |
| CN205602988U (en) | Hauler combination formula spandrel girder | |
| CN205206273U (en) | Lift platform and four vertical guideway framves thereof | |
| CN205088798U (en) | Two -way sliding support node of H shaped steel roof beam with two -way limit function | |
| CN204897325U (en) | A sister block mechanism for high -pressure rubber pipe | |
| CN207069447U (en) | A kind of novel double-layer cable mounting platform | |
| CN202573935U (en) | Overhead working truck and chassis of overhead working truck | |
| CN204143790U (en) | A kind of outer LED display structure hung on crane span structure | |
| CN208884948U (en) | A kind of operating platform | |
| CN204001927U (en) | The power transmission steel pipe tower cross-arm handle that strides | |
| CN104417499B (en) | For dismounting the supporting arrangement of non-penetrating broken bridge of car | |
| CN206191074U (en) | Can lay three petroleum pipeline's support | |
| CN102797348B (en) | Parapet forestock hitch | |
| CN207349576U (en) | Mobile toilet's fire protection pipeline system | |
| CN105887788B (en) | A kind of ocean bolt-type hoistable platform synchronous guiding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170210 Address after: 221004 Jiangsu Province, Xuzhou City Yunlong District No. 165 Patentee after: Xugong fire safety equipment Co. Ltd. Address before: 221004 Xuzhou, Zhejiang Province, Jiangsu Road No. 165 Patentee before: Xuzhou Heavy Machinery Co., Ltd. |