CN203865860U - Reversible channel connection structure and crawler crane - Google Patents
Reversible channel connection structure and crawler crane Download PDFInfo
- Publication number
- CN203865860U CN203865860U CN201420221418.0U CN201420221418U CN203865860U CN 203865860 U CN203865860 U CN 203865860U CN 201420221418 U CN201420221418 U CN 201420221418U CN 203865860 U CN203865860 U CN 203865860U
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- Prior art keywords
- passage
- hole
- channel
- bearing
- connection structure
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Abstract
The utility model relates to a reversible channel connection structure and a crawler crane. The reversible channel connection structure comprises a support and a channel, wherein the middle of one side of the channel is hung on the side wall of a mechanical structure part through at least one support; a support through hole is formed in the support; a gap structure is arranged on the edge of the support; a first channel through hole is formed in the channel; the support through hole is matched with the first channel through hole, and is connected with the first channel through hole through a pin shaft; a second channel through hole is formed in the channel; when the channel is in the upwards-turning over conveying state, the second channel through hole is matched with the gap structure and is connected with the gap structure through a second pin shaft. According to the utility model, the support is arranged in the middle of one side of the channel, and the gap between adjacent channels is reduced as far as possible, so that the phenomenon that foreign matters fall off is avoided; all connecting points are correspondingly on the same part, and the distance is short, so that the problem that the size is difficult to ensure during production and processing is solved, and the whole attractive appearance is improved.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of reversible passage connection structure and crawler crane.
Background technology
Platform/passage is the aisle of standing, passing through etc. by, maintaining in order to meet personnel that elevator machinery framing member side hangs.On crawler crane product, platform/passage is generally all pulled down in the time of transhipment, separately transport.Every passage weight is all more than 30 kilograms, and each dismounting all needs at least 2 people to coordinate.And, while pulling down rear transport, need again to place separately, when installation, need again to re-start location confirmation, and carry, install, need to expend a large amount of manpowers and time.
Platform/passage is use part very frequently on hoisting crane, middle hoister in large tonnage tool product nearly all more or less dispose passage.According to the difference of access arrangement position, if space allows, it is best transport way that passage transports with main frame, can reduce work capacity, accelerates complete machine packaging efficiency, increases work efficiency.According to the difference of channel architecture, the fixed form that passage transports with main frame is also different.
As shown in Figure 1, for a kind of passage connection structure of the prior art, this passage connection structure is at upper vertical two circular holes 2 ' of arranging of bearing 1 ', passage 3 ' is upper is arranged at intervals with two circular holes along axis, when normal work, a circular hole 2 ' on bearing 1 ' is connected by bearing pin 5 ' with a circular hole on passage 3 ', and by holding device 4 ' below hold out against.As shown in Figure 2, when transhipment, untie latching device 4 ', passage 3 ' is upwards overturn after 90 °, coordinate with two circular holes on passage 3 ' corresponding two circular holes of bearing 1 ' 2 ', be fixed by two bearing pins 5 '.As shown in Figure 3, the problem that this passage connection structure exists is: adopt two bearing pins 5 ' and circular hole 2 ' fixing, connection hinge is arranged in the two ends of passage 3 ', and the gap L between adjacent two passages 3 ' is larger, exists foreign matter to fall risk, dangerous.
As shown in Figure 4, for another kind of passage connection structure of the prior art, this passage connection structure arranges a circular hole on bearing 6 ', on passage 8 ', also correspondence arranges a circular hole, in the time of normal work, by bearing pin 7 ', the circular hole on bearing 6 ' is connected with the circular hole on passage 8 ', the below of passage 8 ' arranges holding device 9 ' and is fixed.Away from one end of bearing 6 ', a upset is also set at passage 8 ' fixing with circular hole 10 ', increases again a fixed bearing 11 ' in the top of bearing 6 '.As shown in Figure 5, in the time that needs are transported, loosen latching device 9 ', passage 8 ' is upwards overturn after 90 °, by bearing pin, the hole of fixing with on circular hole 10 ' and fixed bearing 11 ' of overturning is fixed.The problem that this passage connection structure exists is: adopt be fixed at upper and lower 2, passage outside is also provided with hanging point, and entirety is too in disorder, not attractive in appearance; And two point of connection are because of distant in the time of welding, and size is inconvenient to ensure, is inconvenient to produce.
Utility model content
For the problems referred to above, the purpose of this utility model is to propose a kind of reversible passage connection structure and crawler crane, and its easy accessibility, is convenient to processing, has avoided between passage gap larger, has the problem of potential safety hazard.
For achieving the above object, the utility model provides a kind of reversible passage connection structure, comprise bearing and passage, one middle side part position of described passage hangs by the sidewall of bearing described at least one and mechanical structured member, on described bearing, be provided with a block hole, the boundary position of described bearing is provided with gap structure, on described passage, be provided with first passage through hole, described block hole coordinates and is connected by the first bearing pin with described first passage through hole, on described passage, be also provided with second channel through hole, described passage is under resupinate travelling position, described second channel through hole coordinates with described gap structure, and connect by the second bearing pin.
In a preferred or optional embodiment, the position that the bottom of described passage is connected with described bearing is provided with a connecting panel to downward-extension, described connecting panel extends to described bearing near one end of described bearing, described bearing is connected with described connecting panel, and described first passage through hole and described second channel through hole are all arranged on described connecting panel.
In a preferred or optional embodiment, described block hole on described bearing and described gap structure are in the same horizontal line.
In a preferred or optional embodiment, described passage is under the mode of operation of setting level, and described first passage through hole and described second channel through hole are on same plumb bob vertical.
In a preferred or optional embodiment, on described connecting panel, be also provided with third channel through hole, under the mode of operation at described passage in setting level, described third channel through hole is used for placing described the second bearing pin.
In a preferred or optional embodiment, described gap structure is semicircle gap structure, circular arc cutaway structure or the polygon gap structure matching with described second channel through hole.
In a preferred or optional embodiment, the below of described bearing is provided with holding device, under the mode of operation at described passage in setting level, supports described passage for holding out against.
For achieving the above object, the utility model provides a kind of crawler crane, comprises some passages, also comprises the reversible passage connection structure in above-mentioned arbitrary embodiment.
Based on technique scheme, the utility model at least has following beneficial effect:
The utility model arranges bearing at the medium position of passage one side, and with respect to the form that bearing is set at the two ends of passage one side, the gap between the utility model adjacency channel can reduce as much as possible, has avoided existing the phenomenons such as foreign matter falls; The utility model is provided with block hole and a gap structure on bearing, on passage, correspondence arranges first passage through hole and second channel through hole, two point of connection are all corresponding on same parts, and distance is less, while having solved production and processing, the more difficult problem of Assurance of Size, has also avoided many places point of connection, the problem that makes framing member side seem messy, the utility model production and processing is convenient, has also improved overall aesthetics.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the working state schematic representation of a kind of passage connection structure of the prior art;
Fig. 2 is the travelling position schematic diagram of passage connection structure shown in Fig. 1;
Fig. 3 is the schematic top plan view of passage connection structure shown in Fig. 1;
Fig. 4 is the working state schematic representation of another kind of passage connection structure of the prior art;
Fig. 5 is the travelling position schematic diagram of passage connection structure shown in Fig. 4;
The working state schematic representation of the reversible passage connection structure that Fig. 6 provides for the utility model;
Fig. 7 is the schematic top plan view of the reversible passage connection structure shown in Fig. 6;
Fig. 8 is the travelling position schematic diagram of the reversible passage connection structure shown in Fig. 6.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
As shown in Fig. 6, Fig. 7, Fig. 8, the reversible passage connection structure that the utility model provides, comprise bearing 1 and passage 2, one middle side part position of passage 2 hangs by least one bearing 1 and the sidewall 3 of mechanical structured member, the each passage 2 showing in Fig. 7 hangs by two bearings 1 and the sidewall 3 of mechanical structured member, but is not limited to two bearings 1.On bearing 1, be provided with a block hole 4, the boundary position of bearing 1 is provided with gap structure 5, on passage 2, be provided with first passage through hole, propping up block hole 4 coordinates and is connected by the first bearing pin with first passage through hole, on passage 2, be also provided with second channel through hole 6, passage 2 is under resupinate travelling position, and second channel through hole 6 coordinates with gap structure 5, and connects by the second bearing pin 7.Under the mode of operation of passage 2 in setting level, do not use the second bearing pin 7.
The utility model is by the medium position that is connected hinge and is arranged on passage 2 one sides of passage 2 and bearing 1, instead of be arranged on the end positions of passage 2 one sides, therefore, between adjacent passage 2, needn't reserve in order to wear bearing pin sizable space, gap between adjacent passage 2 can reduce as much as possible, avoid existing the phenomenons such as foreign matter falls, met security needs.
The utility model will prop up block hole 4 and gap structure 5 is all arranged on same bearing 1, avoid point of connection to be arranged on two bearings, the more difficult problem of Assurance of Size when production and processing, also avoided many places point of connection, the problem that makes the sidewall of mechanical structured member seem messy, production and processing is convenient, has also improved overall aesthetics.
The position that the bottom of the passage 2 that the utility model provides is connected with bearing 1 can be provided with a connecting panel 8 to downward-extension, connecting panel 8 extends to bearing 1 near one end of bearing 1, bearing 1 is connected with connecting panel 8, and first passage through hole and second channel through hole 6 are all arranged on connecting panel 8.
The bottom of passage 2 is arranged connecting panel 8 by the utility model, extension by connecting panel 8 is connected with bearing 1, can make to reserve between the main body of passage 2 and the sidewall of mechanical structured member 3 certain interval S (as shown in Figure 7), bearing 1 is conveniently set, and facilitates the operation that wears bearing pin between bearing 1 and connecting panel 8.If connecting panel 8 is not set, and bearing 1 is arranged on to the bottom of passage 2, or bearing 1 is arranged in passage 2, can be because of factors such as the specific position of passage 2 bottoms or passage 2 interior narrow spaces, cause wearing between bearing 1 and passage 2 problems such as the dismounting inconvenience of bearing pin and corresponding clamp etc.
The bottom of passage 2 is arranged connecting panel 8 by the utility model, considers stress problem, and connecting panel 8 also has the effect of brace panel, improved the intensity of passage 2.
In above-described embodiment, the block hole 4 on bearing 1 can arrange in the same horizontal line with gap structure 5.Passage 2 is under the mode of operation of setting level, and first passage through hole and second channel through hole 6 are on same plumb bob vertical.
The utility model arranges first passage through hole and second channel through hole 6 on connecting panel 8, corresponding, on bearing 1, be provided with block hole 4 and a gap structure 5, on bearing 1, adopt the fit system of a through hole and a gap structure, with respect to the structure that adopts horizontally disposed two through holes on bearing 1, can make the size of bearing 1 horizontal direction reduce, make bearing 1 compacter with the connection structure of passage 2, and then the gap between the sidewall 3 of passage 2 and mechanical structured member is reduced accordingly, greatly reduce and step on sky risk.
The utility model setting of breaking the normal procedure, change coordinating of through hole and through hole in the past, adopt the fit system of through hole and gap structure, and the gap of bearing 1 will be reserved between the sidewall of passage 2 and mechanical structured member 3, facilitate the Assembly &Disassembly of bearing pin, in having realized when transport easy accessibility, increasing work efficiency, in safety in utilization, property convenient for production, be also improved, make the arrangement structure of passage more reasonable.
In above-described embodiment, on connecting panel 8, can also be provided with third channel through hole, under mode of operation at passage 2 in setting level, third channel through hole is used for placing the second bearing pin 7, be convenient to passage 2 upwards to overturn when the travelling position, connect second channel through hole 6 and gap structure 5 by the second bearing pin 7, and needn't from tool box, look for again the second bearing pin 7, easy to operate, time saving and energy saving.
In above-described embodiment, gap structure 5 can be semicircle gap structure, circular arc cutaway structure or the polygon gap structure etc. that match with second channel through hole 6.
In above-described embodiment, the below of bearing 1 can also be provided with holding device 9, under the mode of operation at passage 2 in setting level, for holding out against and support passage 2.
The concrete operation method of the reversible passage connection structure that the utility model provides is: by block hole 4 and the gap structure 5 that arrange on bearing 1, and corresponding first passage through hole and the second channel through hole 6 of arranging on passage 2.In the time of normal working, passage 2 horizontal positioned, adopt a block hole 4 to coordinate with first passage through hole, connect, and hold out against support by the holding device 9 of passage 2 belows by the first bearing pin; In the time that needs are transported, loosen latching device 9, passage 2 is upwards overturn to 90 °, second channel through hole 6 on passage 2 coordinates with the gap structure 5 of bearing 1, and connect by the second bearing pin 7, realize the fixing of passage 2, passage 2 can be transported with main frame in the time of transhipment, do not need to pull down independent transport.
The utility model also provides a kind of crawler crane, and it comprises some spaced passages 2, also comprises the reversible passage connection structure in above-mentioned arbitrary embodiment.
The reversible passage connection structure that the crawler crane that the utility model provides adopts the utility model to provide, can either realize passage 2 transports with main frame in the time of transhipment, improve main frame dismounting efficiency, can solve again crawler crane in the time that passage 2 is transported, dismounting is consuming time, the problem of consumption power, avoid having potential safety hazard because structure problem causes excessive clearance, and connected processing difficulties, the problem such as not attractive in appearance of causing because of multiple spot.
In description of the present utility model; it will be appreciated that; use the words such as " first ", " second ", " the 3rd " to limit parts; be only used to be convenient to above-mentioned parts to distinguish; as there is no a Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as the restriction to the utility model protection domain.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (8)
1. a reversible passage connection structure, comprise bearing and passage, it is characterized in that: a middle side part position of described passage hangs by the sidewall of bearing described at least one and mechanical structured member, on described bearing, be provided with a block hole, the boundary position of described bearing is provided with gap structure, on described passage, be provided with first passage through hole, described block hole coordinates and is connected by the first bearing pin with described first passage through hole, on described passage, be also provided with second channel through hole, described passage is under resupinate travelling position, described second channel through hole coordinates with described gap structure, and connect by the second bearing pin.
2. reversible passage connection structure as claimed in claim 1, it is characterized in that: the position that the bottom of described passage is connected with described bearing is provided with a connecting panel to downward-extension, described connecting panel extends to described bearing near one end of described bearing, described bearing is connected with described connecting panel, and described first passage through hole and described second channel through hole are all arranged on described connecting panel.
3. reversible passage connection structure as claimed in claim 1, is characterized in that: described block hole on described bearing and described gap structure are in the same horizontal line.
4. the reversible passage connection structure as described in claim 1 or 3, is characterized in that: described passage is under the mode of operation of setting level, and described first passage through hole and described second channel through hole are on same plumb bob vertical.
5. reversible passage connection structure as claimed in claim 2, is characterized in that: on described connecting panel, be also provided with third channel through hole, under the mode of operation at described passage in setting level, described third channel through hole is used for placing described the second bearing pin.
6. reversible passage connection structure as claimed in claim 1, is characterized in that: described gap structure is semicircle gap structure, circular arc cutaway structure or the polygon gap structure matching with described second channel through hole.
7. reversible passage connection structure as claimed in claim 1, is characterized in that: the below of described bearing is provided with holding device, under the mode of operation at described passage in setting level, supports described passage for holding out against.
8. a crawler crane, comprises some passages, it is characterized in that: also comprise the reversible passage connection structure as described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221418.0U CN203865860U (en) | 2014-04-28 | 2014-04-28 | Reversible channel connection structure and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221418.0U CN203865860U (en) | 2014-04-28 | 2014-04-28 | Reversible channel connection structure and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203865860U true CN203865860U (en) | 2014-10-08 |
Family
ID=51646839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221418.0U Withdrawn - After Issue CN203865860U (en) | 2014-04-28 | 2014-04-28 | Reversible channel connection structure and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203865860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922224A (en) * | 2014-04-28 | 2014-07-16 | 徐工集团工程机械股份有限公司 | Reversible channel connection structure and crawler crane |
| CN113460890A (en) * | 2021-07-16 | 2021-10-01 | 徐工集团工程机械股份有限公司建设机械分公司 | Walking board limiting structure and crawler crane |
-
2014
- 2014-04-28 CN CN201420221418.0U patent/CN203865860U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922224A (en) * | 2014-04-28 | 2014-07-16 | 徐工集团工程机械股份有限公司 | Reversible channel connection structure and crawler crane |
| CN103922224B (en) * | 2014-04-28 | 2016-01-13 | 徐工集团工程机械股份有限公司 | A kind of reversible expanding channels structure and crawler crane |
| CN113460890A (en) * | 2021-07-16 | 2021-10-01 | 徐工集团工程机械股份有限公司建设机械分公司 | Walking board limiting structure and crawler crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |