CN203807004U - Lattice boom and engineering machinery - Google Patents
Lattice boom and engineering machinery Download PDFInfo
- Publication number
- CN203807004U CN203807004U CN201320823982.5U CN201320823982U CN203807004U CN 203807004 U CN203807004 U CN 203807004U CN 201320823982 U CN201320823982 U CN 201320823982U CN 203807004 U CN203807004 U CN 203807004U
- Authority
- CN
- China
- Prior art keywords
- truss arm
- draw
- clip
- groove
- stay cord
- 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
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- 238000009434 installation Methods 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Abstract
The utility model discloses a lattice boom and engineering machinery comprising the same. The lattice boom comprises a lattice boom body (1) and further comprises a travelling pedal (2), an amplitude variation draw cord (15) and amplitude variation draw cord fixing components (8), wherein the travelling pedal (2) is detachably mounted on the lattice boom body (1); the amplitude variation draw cord fixing components (8) are used for fixing the amplitude variation draw cord (15). According to the utility model, the detachable travelling pedal is mounted on the lattice boom body so as to be used by workers; the travelling pedal is convenient and quick to mount and demount, and potential risks, caused by complex and long-time aerial operation of the workers, can be avoided. In addition, the amplitude variation draw cord fixing components are further arranged on the lattice boom body, so that the condition that in a transport process of the engineering machinery, the lattice boom is damaged as the amplitude variation draw cord is not fixed, and is hung and swing in the air is effectively avoided.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of truss arm and has the construction machinery and equipment of this truss arm.
Background technology
In engineering machinery field, truss arm structure has a very wide range of applications, as all applied truss arm structure on the equipment such as crawler crane, continuous concrete wall grab bucket, two-wheel flute milling machine, that truss arm structure has is simple in structure, stressed effect good and the feature such as easy for installation.Fig. 1 has shown according to the common truss arm of the one of prior art.
Walking pedal for staff's walking is not installed on existing truss arm mostly, even and if walking pedal is installed, existing walking pedal mostly also is fixed type and fitting operation complexity, workman need to rely on instrument, complex operation and consuming time longer in the time carrying out fitting operation, potential safety hazard is high, be unfavorable for the walking flexible installation of pedal, directly restricts the field of application of truss arm.In addition, on existing truss arm, how not for the luffing stretching fixed mechanism of fixing luffing stay cord, cause luffing stay cord in construction machinery and equipment transportation not rely on thereby unsettled swing, cause truss arm to damage.
Utility model content
The purpose of this utility model is to provide a kind of truss arm and has the construction machinery and equipment of this truss arm.
To achieve these goals, the utility model provides a kind of truss arm, and this truss arm comprises truss arm main body, and this truss arm also comprises the walking pedal being removably mounted in described truss arm main body.
Preferably, in described truss arm main body, be provided with the walking pedal installation component for described walking pedal is installed, described walking pedal installation component comprises clip and is arranged on the draw-in groove on this clip, described clip is buckled in described truss arm main body, described walking pedal is connected in described draw-in groove, and the opening direction of described clip is contrary with the opening direction of described draw-in groove.
Preferably, this truss arm comprises the web member of setting along its length and the horizontal web member that broad ways arranges, and described clip buckle is supported on described web member or described horizontal web member; Described walking pedal comprises that the sheet material of connection interlaced with each other is to form latticed pedal, and described sheet material clamping is supported in described draw-in groove.
Preferably, the both sides of described clip are provided with respectively described draw-in groove symmetrically.
Preferably, be provided with draw-in groove seat on described clip, on described draw-in groove seat, be formed with described draw-in groove, described clip is removably connected with described draw-in groove seat.
Preferably, on described truss arm, be arranged at intervals with multiple described walking pedal installation components.
Preferably, this truss arm also comprises luffing stay cord and the luffing stay cord fixation kit for fixing described luffing stay cord.
Preferably, described luffing stay cord fixation kit comprises two spaced bearings, the bottom of these two spaced bearings is formed with respectively accordingly bayonet socket, top and is formed with respectively accordingly support ring, described luffing stay cord fixation kit also comprises and matches to make described bearing be fixed on the fastener on the composition rod member of described truss arm and can coordinate the bearing pin in the described support ring that is arranged on described two spaced bearings with described bayonet socket, and the end of described luffing stay cord is connected on the bearing pin between two described support rings.
Preferably, described truss arm comprises multiple arm joints, and described arm joint is at least respectively arranged with described luffing stay cord fixation kit accordingly at two ends along its length.
The utility model also provides a kind of construction machinery and equipment, and this project machinery comprises according to truss arm of the present utility model.
On truss arm of the present utility model, detouchable walking pedal is installed in truss arm main body and uses for staff, this walking pedal easy accessibility, quick, avoids staff to carry out potential danger complicated and that aloft work brings for a long time; In addition, on the truss arm of present embodiment, can also be provided with for support and fixing truss arm on the luffing stay cord fixation kit of luffing stay cord, effectively avoid in construction machinery and equipment transportation luffing stay cord because not relying on unsettled swing to damage truss arm.
Other feature and advantage of the present utility model are described in detail the detailed description of the invention part subsequently.
Brief description of the drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the plan structure schematic diagram according to the truss arm of prior art;
Fig. 2 is the plan structure schematic diagram according to truss arm of the present utility model;
Fig. 3 is the side-looking structural representation of the intermediate arm of the truss arm in Fig. 2;
Fig. 4 is the plan structure schematic diagram of the intermediate arm of the truss arm in Fig. 2;
Fig. 5 is the structural representation that shows the walking pedal installation component in Fig. 3 and Fig. 4;
Fig. 6 is the structural representation that shows the luffing stay cord fixation kit in Fig. 3 and Fig. 4;
Fig. 7 is the partial enlarged drawing of Fig. 4, has wherein removed walking pedal and luffing stay cord.
Description of reference numerals
1 truss arm main body 2 pedal of walking
The 3 web members 4 pedal installation component of walking
5 clip 6 draw-in grooves
7 draw-in groove seat 8 luffing stay cord fixation kits
9 bearing 10 bayonet sockets
11 support ring 12 fasteners
The horizontal web member of 13 first fastener 14
15 luffing stay cord 16 second fasteners
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.Should be understood that, detailed description of the invention described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality using is as undefined in the normal service condition of overturning and positioning device of the truss arm that " vertical, level " normally provides at the utility model, and also with consistent with reference to direction shown in accompanying drawing; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
The utility model provides a kind of truss arm, and this truss arm comprises truss arm main body 1, and this truss arm also comprises the walking pedal 2 being removably mounted in described truss arm main body 1.
On existing truss arm, be not mostly provided with walking pedal 2, in the time that needs use walking pedal 2, install again, and existing fixed type walking pedal 2 has mounting structure complexity, install by the shortcomings such as the more and fitting operation of instrument is loaded down with trivial details, length consuming time when staff carries out fitting operation in high-altitude, guarantee is installed poor, in addition, hard-wired walking pedal 2 not only increases the load of truss arm but also under some specific operation, can be unfavorable for the operation of truss arm, the alerting ability of restriction truss arm, for the above-mentioned shortcoming of existing truss arm, truss arm of the present utility model is provided with detouchable walking pedal 2 in truss arm main body 1, this walking pedal easy accessibility, fast, avoid staff to carry out potential danger complicated and that aloft work brings for a long time.
Wherein, described walking pedal 2 can be formed as detouchable by being set to applicable structure arbitrarily, in order to realize the quick of walking pedal 2, dismounting easily, simplify staff's control step, shorten staff's operating time, preferably, in described truss arm main body 1, be provided with the walking pedal installation component 4 for described walking pedal 2 is installed, described walking pedal installation component 4 comprises clip 5 and is arranged on the draw-in groove 6 on this clip, described clip 5 is buckled in described truss arm main body 1, described walking pedal 2 is connected in described draw-in groove 6, the opening direction of described clip 5 is contrary with the opening direction of described draw-in groove, for example, one sheet material can be bent into the structure of the draw-in groove 6 that comprises middle clip 5 and both sides, wherein, clip 5 is contrary with draw-in groove 6 openings, clip 5 matches with truss arm main body 1, matching with the installation web member 3 of clip 5 or the outer peripheral face of horizontal web member 14 perpendicular to its axial transversal inside face of for example clip 5, clip 5 is buckled on web member 3 or horizontal web member 14 relatively regularly in the mode that Open Side Down, now draw-in groove 6 opening upwards, walking pedal 2 can be overlapped in draw-in groove 6 relatively regularly.In the time that walking pedal 2 is installed, only need clip 5 to be buckled in truss arm main body 1 and again walking pedal 2 to be connected in draw-in groove 6, just complete the fitting operation of walking pedal 2; In the time of dismounting walking pedal 2, the pedal 2 that also only needs to make to walk departs from from draw-in groove 6, then clip 5 is departed from from truss arm main body 1, has just completed the disassembling section of the pedal 2 of walking, convenient and swift.
Particularly, referring to Fig. 2 to Fig. 5 and Fig. 7, the truss arm of present embodiment comprises the web member 3 of setting along its length and the horizontal web member 14 that broad ways arranges, and described clip 5 buckles are supported on described web member 3 or described horizontal web member 14.
In addition, in present embodiment, described walking pedal 2 comprises that the sheet material of connection interlaced with each other is to form latticed pedal (being formed as the form of flase floor), described sheet material clamping is supported in described draw-in groove 6, preferably, the width of the thickness of described sheet material and described draw-in groove 6 matches and is supported in described draw-in groove 6 with clamping better, draw-in groove 6 can be limited in certain position by latticed pedal, prevent that it from moving, in addition, latticed pedal can also alleviate the weight of walking pedal 2 in the situation that meeting use, reduces the load of truss arm main body 1.
Preferably, the both sides of described clip 5 are provided with respectively described draw-in groove 6 symmetrically, and clip 5 bilateral symmetry arrange draw-in groove 6 and are conducive to balance clip 5 both sides stressing conditions, and walking pedal 2 is more stably installed.
In present embodiment, clip 5 is formed by panel-bending, comprise semicircle bayonet socket and the extension that is symmetrically located at these semicircle bayonet socket both sides in the middle of being positioned at, the size of described semicircle bayonet socket matches can be buckled on web member 3 or horizontal web member 14 with the web member of truss arm 3 or horizontal web member 14, on the extension of described both sides, be provided with symmetrically draw-in groove 6, with the stressing conditions of balance walking pedal installation component 4.
And, on described clip 5, can be provided with draw-in groove seat 7, on described draw-in groove seat 7, be formed with described draw-in groove 6, described clip 5 is removably connected with described draw-in groove seat 7, referring to Fig. 5, in present embodiment, draw-in groove seat 7 is formed by panel-bending, on the extension of the middle part of draw-in groove seat 7 and clip 5, be provided with accordingly connecting through hole, the bolts and nuts that the first fastener 13(for example matches) through the connecting through hole on draw-in groove seat 7 and clip 5, draw-in groove seat 7 is connected on clip 5 successively, and, the two ends of draw-in groove seat 7 are provided with respectively a draw-in groove 6 symmetrically, be in present embodiment, the bilateral symmetry of clip 5 be respectively arranged with a draw-in groove seat 7, two draw-in grooves 6 on each draw-in groove seat 7 are also symmetrical arranged with respect to the stressed strong point between draw-in groove seat 7 and clip 5, so that walking pedal installation component 4 is stressed more steady, in addition, in present embodiment, clip 5 is to be also removably connected with draw-in groove seat 7, can dismantle when needed and change separately, further improves the alerting ability of walking pedal installation component 4.
And, on described truss arm, be arranged at intervals with multiple described walking pedal installation components 4, so that walking pedal 2 is stably arranged in truss arm main body 1.
In addition, in prior art owing to being conventionally all provided with luffing stay cord 15 on truss arm, but the mechanism that is exclusively used in fixing luffing stay cord 15 is not set, thereby in construction machinery and equipment transportation, luffing stay cord 15 is all unsettled swings conventionally, easily cause device damage, therefore, preferably, the truss arm of present embodiment also comprises luffing stay cord 15 and the luffing stay cord fixation kit 8 for fixing described luffing stay cord 15.
Wherein, described luffing stay cord fixation kit 8 also can be set to applicable form arbitrarily, for example, referring to Fig. 6 and Fig. 7, in present embodiment, described luffing stay cord fixation kit 8 comprises two spaced bearings 9, the bottom of these two spaced bearings 9 is formed with respectively bayonet socket 10 accordingly, top is formed with respectively interval symmetrically arranged two support rings 11 accordingly, described luffing stay cord fixation kit 8 also comprises and matches to make described bearing 9 be fixed on the fastener 12 on the composition rod member (can also can be as horizontal web member 14 as web member 3) of described truss arm and can coordinate the bearing pin in the described support ring 11 that is arranged on described two spaced bearings 9 with described bayonet socket 10, the end of described luffing stay cord 15 is connected on two bearing pins that support between ring 12.Particularly, the composition rod member that bayonet socket 10 is formed as semicircle and size and truss arm matches, around deck 9 upper latch notches 10, be formed with connecting through hole, fastener 12 is roughly formed as U-shaped and can has the complete formation of rod member, two ends of fastener 12 can be inserted in bayonet socket 10 connecting through hole around, and then be fixed by the second fastener 16, thereby luffing stay cord fixation kit 8 is arranged on the composition rod member of truss arm.
And described truss arm comprises multiple arm joints, for effectively fixing luffing stay cord 15, described arm joint is at least respectively arranged with described luffing stay cord fixation kit 8 accordingly at two ends along its length.
In addition, the utility model also provides a kind of construction machinery and equipment, and this project machinery comprises according to truss arm of the present utility model.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned detailed description of the invention, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. a truss arm, this truss arm comprises truss arm main body (1), it is characterized in that, this truss arm also comprises the walking pedal (2) being removably mounted in described truss arm main body (1), in described truss arm main body (1), be provided with the walking pedal installation component (4) for described walking pedal (2) is installed, described walking pedal installation component (4) comprises clip (5) and is arranged on the draw-in groove (6) on this clip, described clip (5) is buckled in described truss arm main body (1), described walking pedal (2) is connected in described draw-in groove (6), the opening direction of described clip (5) is contrary with the opening direction of described draw-in groove.
2. truss arm according to claim 1, it is characterized in that, this truss arm comprises the web member (3) of setting along its length and the horizontal web member (14) that broad ways arranges, and described clip (5) buckle is supported on described web member (3) or described horizontal web member (14); Described walking pedal (2) comprises that the sheet material of connection interlaced with each other is to form latticed pedal, and described sheet material clamping is supported in described draw-in groove (6).
3. truss arm according to claim 1, is characterized in that, the both sides of described clip (5) are provided with respectively described draw-in groove (6) symmetrically.
4. truss arm according to claim 1, it is characterized in that, on described clip (5), be provided with draw-in groove seat (7), on described draw-in groove seat (7), be formed with described draw-in groove (6), described clip (5) is removably connected with described draw-in groove seat (7).
5. truss arm according to claim 1, is characterized in that, is arranged at intervals with multiple described walking pedal installation components (4) on described truss arm.
6. according to the truss arm described in any one in claim 1-5, it is characterized in that, this truss arm also comprises luffing stay cord (15) and the luffing stay cord fixation kit (8) for fixing described luffing stay cord (15).
7. truss arm according to claim 6, it is characterized in that, described luffing stay cord fixation kit (8) comprises two spaced bearings (9), the bottom of these two spaced bearings (9) is formed with respectively bayonet socket (10) accordingly, top is formed with respectively accordingly supports ring (11), described luffing stay cord fixation kit (8) also comprises and matches to make described bearing (9) be fixed on the fastener (12) on the composition rod member of described truss arm and can coordinate the bearing pin in the described support ring (11) that is arranged on described two spaced bearings (9) with described bayonet socket (10), the end of described luffing stay cord (15) is connected on the bearing pin being positioned between two described support rings (12).
8. truss arm according to claim 6, is characterized in that, described truss arm comprises multiple arm joints, and described arm joint is at least respectively arranged with described luffing stay cord fixation kit (8) accordingly at two ends along its length.
9. a construction machinery and equipment, is characterized in that, this project machinery comprises according to the truss arm described in any one in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823982.5U CN203807004U (en) | 2013-12-12 | 2013-12-12 | Lattice boom and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823982.5U CN203807004U (en) | 2013-12-12 | 2013-12-12 | Lattice boom and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807004U true CN203807004U (en) | 2014-09-03 |
Family
ID=51445789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320823982.5U Expired - Lifetime CN203807004U (en) | 2013-12-12 | 2013-12-12 | Lattice boom and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055350A (en) * | 2016-02-10 | 2017-08-18 | 利勃海尔工厂埃英根有限公司 | Truss block element and truss block for crane arm |
| CN109264595A (en) * | 2018-11-15 | 2019-01-25 | 徐工集团工程机械股份有限公司 | A kind of adjusting method and regulating device of deformable truss arm |
-
2013
- 2013-12-12 CN CN201320823982.5U patent/CN203807004U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055350A (en) * | 2016-02-10 | 2017-08-18 | 利勃海尔工厂埃英根有限公司 | Truss block element and truss block for crane arm |
| CN107055350B (en) * | 2016-02-10 | 2021-08-17 | 利勃海尔工厂埃英根有限公司 | Truss block element and truss block for crane boom |
| CN109264595A (en) * | 2018-11-15 | 2019-01-25 | 徐工集团工程机械股份有限公司 | A kind of adjusting method and regulating device of deformable truss arm |
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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: 20140903 |
|
| CX01 | Expiry of patent term |