CN203428806U - Shaft plugging and unplugging device for truss arm and crane - Google Patents
Shaft plugging and unplugging device for truss arm and crane Download PDFInfo
- Publication number
- CN203428806U CN203428806U CN201320436777.3U CN201320436777U CN203428806U CN 203428806 U CN203428806 U CN 203428806U CN 201320436777 U CN201320436777 U CN 201320436777U CN 203428806 U CN203428806 U CN 203428806U
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- CN
- China
- Prior art keywords
- bearing pin
- shaft device
- plug shaft
- truss arm
- bumper plate
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a shaft plugging and unplugging device for a truss arm (12). The shaft plugging and unplugging device comprises a pin shaft (11) which is used for connecting a crane arm and the truss arm (12), wherein pin shaft connecting holes are formed in both the crane arm and the truss arm (12). The shaft plugging and unplugging device further comprises a telescoping cylinder (8), wherein a fixed part of the telescoping cylinder (8) is fixed on the truss arm (12), the telescoping cylinder (8) is coaxial with the pin shaft connecting holes, and the pin shaft (11) is arranged on a movable part of the telescoping cylinder (8). According to the shaft plugging and unplugging device disclosed by the utility model, the automatic mounting and dismounting of the pin shaft can be realized and are convenient and fast, and particularly the mounting and dismounting of pin shafts among large-sized components in a relatively small operating space can be realized, so that the mounting efficiency is increased greatly, and the work efficiency of a crane can be increased; moreover, due to the manner, the manual operation is not required, so that the labor cost is saved, and the personal safety of operating personnel is improved. The utility model further discloses the crane with the shaft plugging and unplugging device.
Description
Technical field
The utility model relates to axle interconnection technique field, particularly a kind of plug shaft device for truss arm.In addition, the utility model also relates to a kind of hoisting crane with above-mentioned plug shaft device.
Background technology
Along with the demand of economic construction, hoisting crane has become the mainstay in lifting market, and in order to meet the needs in client and market, large-tonnage and super-tonnage crane are researched and developed successfully successively.
Hoister in large tonnage is owing to limited by axle load, the super large new structure parts such as some truss arms need field stripping, therefore hoister in large tonnage requires highlyer to convenient disassembly, and especially in truss arm, the convenient disassembly of adapter shaft directly affects the work efficiency of hoisting crane.
In prior art, the junction of truss arm and crane arm generally adopts bearing pin to assemble and dismantle, when the bearing pin at this place assembles and dismantles, often need a plurality of people to stand in staircase or crane arm head, rely on manpower to use iron hammer or other accessory appliancess bearing pin to be hammered or hammered into shape out bearing pin connecting bore, thereby complete assembling and the dismounting of bearing pin.
Because the structure interval of bearing pin assembling place in prior art is limited, and the weight ratio of bearing pin is larger, more than the bearing pin weight of general truss arm junction is mostly positioned at 15kg, when the assembling of old friend's power and dismounting, relatively wastes time and energy, and take many human resources.
In addition, operating personal stands in high-rise working and has certain danger.
Therefore, how improving the structure that connects bearing pin in prior art, make its assembling more convenient, improve the operating efficiency of hoisting crane, is those skilled in that art's technical matterss urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is for providing a kind of plug shaft device for truss arm, and its assembling is more convenient, improves the operating efficiency of hoisting crane.Another object of the present utility model is for providing a kind of hoisting crane that comprises above-mentioned plug shaft device.
For solving the problems of the technologies described above, the utility model provides a kind of plug shaft device for truss arm, comprise for connecting the bearing pin of crane arm and truss arm, described bearing pin is located in the bearing pin connecting bore on described crane arm and described truss arm, also comprise telescoping cylinder, it is upper that the fixed part of described telescoping cylinder is fixed on one of described crane arm and truss arm, and described telescoping cylinder is coaxial with described bearing pin connecting bore, and described bearing pin is located on the movable part of described telescoping cylinder.
Preferably, one end of described bearing pin is also provided with axle bumper plate, and described axle bumper plate connects drive element by drive disk assembly, and described drive element can drive the position of bearing pin described in the locking of described axle bumper plate or release.
Preferably, on described axle bumper plate, be provided with through hole, the diameter of described through hole is greater than the diameter of described bearing pin, described axle bumper plate radially slides and is connected with described bearing pin, so that described through hole is changed under and non-coaxial two states coaxial with described bearing pin, when described through hole and described bearing pin are during in non-coaxial state, the inner edge of described through hole is less than the radius of described bearing pin to the minor increment of described bearing pin axis.
Preferably, also comprise the guidepost being fixedly installed on truss arm, on described axle bumper plate, be provided with and coordinate the chute sliding with described guidepost.
Preferably, when described guidepost is during against an end inner edge of chute, described through hole and described bearing pin are in coaxial state.
Preferably, described guidepost is axial arranged along described bearing pin, and the fixed part of described telescoping cylinder is fixedly connected on described guidepost.
Preferably, described drive disk assembly comprises the turning cylinder that is arranged on corresponding truss arm and arranges with the axially parallel of described bearing pin, on described turning cylinder, be at least connected with a described axle bumper plate, described drive disk assembly also comprises the drag-line being connected on the non-diameter of axle of described turning cylinder.
Preferably, also comprise connecting panel, the two ends of described connecting panel are hinged with described axle bumper plate and described turning cylinder respectively.
Preferably, described axle bumper plate and corresponding truss arm are rotationally connected, and its turning cylinder is axial along described bearing pin, and an end of described axle bumper plate is provided with the drag-line that drives its rotation, and opposed end is provided with the auxiliary section that coordinates locking with described bearing pin.
In plug shaft device provided by the utility model, be provided with telescoping cylinder, and bearing pin is connected on the movable part of telescoping cylinder, under the driving of telescoping cylinder, bearing pin can extend and shorten with movable part, thereby realization be placed on or deviate from bearing pin connecting bore, realizing assembling and the dismounting of crane arm and truss arm.
Plug shaft device in the utility model can be realized Auto-mounting and the dismounting of bearing pin, convenient and swift, especially for the Assembly &Disassembly of bearing pin between the smaller large component in operational space, greatly improve installation effectiveness, can improve the work efficiency of hoisting crane.
And which, without manual operation, is not only saved human cost, and improved the personal safety of operating personal.
In addition, the telescoping cylinder in the utility model plug shaft device is fixed on truss arm, without repeating assembling, saves time.
On the basis of above-mentioned plug shaft device, the utility model also provides a kind of hoisting crane, comprises truss arm device and is arranged at the plug shaft device in truss arm device, and described plug shaft device is the plug shaft device described in above-mentioned any one.
Because hoisting crane has the plug shaft device of above-mentioned technique effect, therefore hoisting crane also has above-mentioned technique effect.
Accompanying drawing explanation
Fig. 1 is for the structural representation of the plug shaft device of truss arm in a kind of specific embodiment of the utility model;
Fig. 2 is the local structure for amplifying schematic diagram of Fig. 1;
Fig. 3 plugs the structural representation that in shaft device, bearing pin is in the lock state shown in Fig. 1;
Fig. 4 is the schematic side view of Fig. 3;
Fig. 5 plugs the structural representation of bearing pin in released state in shaft device shown in Fig. 1;
Fig. 6 is the schematic side view of Fig. 5.
Wherein, in Fig. 1 to Fig. 5, the one-to-one relationship between Reference numeral and component names is as follows:
1 lower bracket, 2 upper brackets, 3 connecting panels, 4 axle bumper plates, 41 through holes, 42 chutes, 5 guideposts, 6 first drag-lines, 7 second drag-lines, 8 telescoping cylinders, 81 expansion links, 82 cylinder bodies, 9 first change-over valves, 10 second change-over valves, 11 bearing pins, 12 truss arms, 13 turning cylinders.
The specific embodiment
Core of the present utility model is for providing a kind of plug shaft device for truss arm, and its assembling is more convenient, improves the operating efficiency of hoisting crane.Another core of the present utility model is for providing a kind of hoisting crane that comprises above-mentioned plug shaft device.
Without loss of generality, herein with the plug shaft device of truss arm, the example that is applied as in hoisting crane is introduced technical scheme, it will be understood by those skilled in the art that technical scheme herein, including, but not limited to being applied in hoisting crane, can also be applied in Other Engineering machinery.
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is for the structural representation of the plug shaft device of truss arm in a kind of specific embodiment of the utility model; Fig. 2 is the local structure for amplifying schematic diagram of Fig. 1.
The utility model provides a kind of plug shaft device for truss arm 12, comprise the bearing pin 11 in the bearing pin connecting bore of being located at crane arm and truss arm 12, plug shaft device in the utility model also comprises telescoping cylinder 8, the fixed part of telescoping cylinder 8 be fixed on crane arm and truss arm 12 both one of on, telescoping cylinder 8 is coaxial with bearing pin connecting bore, and bearing pin 11 is located on the movable part of telescoping cylinder 8; Telescoping cylinder 8 can be telescopic oil cylinder, also can be telescopic cylinder or gas mixture cylinder, it can be that cylinder body 82 is fixed on truss arm 12, also can be that expansion link 81 is fixed on truss arm 12, bearing pin 11 can be designed as integral type with movable part, also can be designed as split typely, by link, realize both connections.
In plug shaft device provided by the utility model, be provided with telescoping cylinder 8, and bearing pin 11 is connected on the movable part of telescoping cylinder 8, under the driving of telescoping cylinder 8, bearing pin 11 can extend and shorten with movable part, thereby realization be placed on or deviate from bearing pin connecting bore, realizing assembling and the dismounting of crane arm and truss arm 12.
Plug shaft device in the utility model can be realized Auto-mounting and the dismounting of bearing pin 11, convenient and swift, especially for the Assembly &Disassembly of bearing pin 11 between the smaller large component in operational space, greatly improve installation effectiveness, can improve the work efficiency of hoisting crane.
And which, without manual operation, is not only saved human cost, and improved the personal safety of operating personal.
In addition, the telescoping cylinder 8 in the utility model plug shaft device is fixed on truss arm 12, without repeating assembling, saves time.
Please refer to Fig. 2 to Fig. 6, Fig. 3 plugs the structural representation that in shaft device, bearing pin is in the lock state shown in Fig. 1; Fig. 4 is the schematic side view of Fig. 3; Fig. 5 plugs the structural representation of bearing pin in released state in shaft device shown in Fig. 1; Fig. 6 is the schematic side view of Fig. 5.
A kind of preferred embodiment in, one end of bearing pin 11 is also provided with axle bumper plate 4, axle bumper plate 4 can be arranged at the side that bearing pin 11 connects telescoping cylinder 8, also can be arranged at a side of the free end of bearing pin 11, and concrete setting position can be determined according to actual installation situation; Axle bumper plate 4 connects drive element by drive disk assembly, the position of bearing pin 11 described in drive element drivable shaft baffle plate 4 locking or release, and drive element can drive for manpower, can be also Mechanical Driven.
In present embodiment, arrange when axle bumper plate 4 can prevent bearing pin 11 truss frame for connecting arm to deviate from from bearing pin connecting bore, be conducive to increase the safe reliability of truss arm 12 work.
Please refer again to Fig. 2, in a kind of concrete embodiment, on axle bumper plate 4, can be provided with through hole 41, the diameter of through hole 41 is greater than the diameter of bearing pin 11, axle bumper plate 4 radially slides and is connected with bearing pin 11, so that through hole 41 is changed under and non-coaxial two states coaxial with bearing pin 11, when through hole 41 is with bearing pin 11 during in non-coaxial state, the inner edge of through hole 41 is less than the radius of bearing pin 11 to the minor increment of bearing pin 11 axis.
When bearing pin 11 is during in coupled condition, drive element is by 4 actions of drive disk assembly axle drive shaft baffle plate, make its through hole 41 and bearing pin 11 in non-coaxial state, so that the inner edge of through hole 41 is less than the radius of bearing pin 11 to the minor increment of bearing pin 11 axis, axle bumper plate 4 has just played the effect of locking bearing pin 11 positions like this, avoids bearing pin 11 to deviate from from bearing pin connecting bore; When bearing pin 11 need to be dismantled, drive element, by drive disk assembly axle drive shaft baffle plate 4 action, makes its through hole 41 coaxial with bearing pin 11, and because the diameter of through hole 41 is greater than the diameter of bearing pin 11, bearing pin 11 is extracted under the drive of telescoping cylinder 8 from bearing pin connecting bore.
This embodiment axis baffle plate 4 relatively simple for structure, is easy to realize, and locks reliable.
Further, plug shaft device can also comprise the guidepost 5 being fixedly installed on described truss arm 12, is provided with and coordinates the chute 42 sliding with guidepost 5 on axle bumper plate 4; Directivity when chute 42 can increase relative bearing pin 11 slip of axle bumper plate 4 with guidepost 5, is conducive to realize fast the conversion of two states.
When guidepost 5 is during against chute 42 bottom inner edge, described through hole 41 is with bearing pin 11 in coaxial state, and axle bumper plate 4 can be removed the locking to bearing pin 11, the position of easily deviating from bearing pin 11, the dismounting that is conducive to improve bearing pin 11 fast like this.
Certainly, the location of axle bumper plate 4 in locking bearing pin 11 states, can pass through guidepost 5 against the other end inner edge of chute 42, also can directly by axle bumper plate 4, be stuck on bearing pin 11.
The various embodiments described above, guidepost 5 can be along bearing pin 11 axial arranged, the fixed part of described telescoping cylinder 8 is fixedly connected on guidepost 5, can simplify like this structure of this plug shaft device, is conducive to the installation of plug-in and pull-off device on the smaller truss arm 12 of assembly space.
A kind of preferred embodiment in, when axle bumper plate 4 is under Gravitative Loads, through hole 41 is with bearing pin 11 in non-coaxial state, the reply of axle bumper plate 4 drives without propulsion source, saves energy.
In the various embodiments described above, drive disk assembly can comprise be arranged on corresponding truss arm 12 and with the turning cylinder 13 axially arranging in the same way of described bearing pin 11, on turning cylinder 13, be at least connected with a described axle bumper plate 4, described drive disk assembly also comprises the drag-line being connected on the non-diameter of axle of described turning cylinder 13.
The driving of this embodiment axis baffle plate 4 is by drag-line transmission, as long as pull drag-line just can realize in axle bumper plate 4 through hole 41 with bearing pin 11 coaxial and non-coaxial two states, drag-line quantity can be determined as the case may be, can be by axle bumper plate 4 of a cable control, also can be by a plurality of axle bumper plates 4 of cable control.
Wherein, in Fig. 2 to Fig. 5, provided a kind of specific embodiment of simultaneously being controlled two axle bumper plates 4 by a drag-line, and the bearing pin 11 for levels is driven by two different drag-lines respectively, succinct in order to describe, difference called after the first drag-line 6 and the second drag-line 7, the first drag-line 6 is connected with the diaxon baffle plate 4 on upper strata, the second drag-line 7 is connected with the diaxon baffle plate 4 of lower floor, when pulling drag-line downwards, turning cylinder 13 will rotate, thereby drive the diaxon baffle plate 4 being connected on turning cylinder 13 to slide, when 4 slips of axle bumper plate are resisted against bottom guidepost 5, now the through hole 41 on axle bumper plate 4 is coaxial with bearing pin 11, bearing pin 11 is in released state, when unclamping drag-line, axle bumper plate 4 returns back to original position under the effect of self gravitation, locking bearing pin 11.
Stuck while sliding for fear of axle bumper plate 4, plug shaft device can also comprise connecting panel 3, the two ends of connecting panel 3 are hinged with axle bumper plate 4 and turning cylinder 13 respectively, connecting panel 3 can increase the freedom of movement of axle bumper plate 4 like this, facilitate the sense of motion of adjusting shaft baffle plate 4, the alerting ability while increasing by 4 slip of axle bumper plate.
Certainly, the comfort feature for turning cylinder 13 is connected with axle bumper plate 4, can also increase miscellaneous part between the two, for example, fixedly overhanging support is set on turning cylinder, and upper bracket 2 and lower bracket 1 as shown in Figure 1 correspondingly can increase axle bumper plate 4 motion spaces.
In another preferred embodiment, axle bumper plate 4 is rotationally connected with corresponding truss arm 12, and its turning cylinder 13 is axial along bearing pin 11, and an end of axle bumper plate 4 is provided with the drag-line that drives its rotation, and opposed end is provided with the auxiliary section that coordinates locking with bearing pin 11.
Certainly, the version of axle bumper plate 4 is not limited to description herein.
Certainly, the commutation work of telescoping cylinder 8 can be by arranging change-over valve, and as shown in Figure 1, each telescoping cylinder 8 is respectively by the first change-over valve 9 and the second change-over valve 10 control actions.
On the basis of above-mentioned plug shaft device, the utility model also provides a kind of hoisting crane, comprises truss arm device and is arranged at the plug shaft device in truss arm device, and described plug shaft device is the plug shaft device described in above-mentioned any one.
Because hoisting crane has the plug shaft device of above-mentioned technique effect, therefore hoisting crane also has above-mentioned technique effect.
The otherwise data of hoisting crane please refer to prior art, does not repeat them here.
Above a kind of plug shaft device and hoisting crane for truss arm provided by the utility model is described in detail.Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. the plug shaft device for truss arm, comprise the bearing pin (11) for connecting crane arm and truss arm (12), described bearing pin (11) is located in the bearing pin connecting bore on described crane arm and described truss arm (12), it is characterized in that, also comprise telescoping cylinder (8), the fixed part of described telescoping cylinder (8) is fixed on one of described truss arm (12) and described crane arm, described telescoping cylinder (8) is coaxial with described bearing pin (11) connecting bore, and described bearing pin (11) is located on the movable part of described telescoping cylinder (8).
2. plug shaft device as claimed in claim 1, it is characterized in that, one end of described bearing pin (11) is also provided with axle bumper plate (4), described axle bumper plate (4) connects drive element by drive disk assembly, and described drive element can drive the position of bearing pin (11) described in described axle bumper plate (4) locking or release.
3. plug shaft device as claimed in claim 2, it is characterized in that, on described axle bumper plate (4), be provided with through hole (41), the diameter of described through hole (41) is greater than the diameter of described bearing pin (11), described axle bumper plate (4) radially slides and is connected with described bearing pin (11), so that described through hole (41) is changed under and non-coaxial two states coaxial with described bearing pin (11), when described through hole and described bearing pin (11) are during in non-coaxial state, the inner edge of described through hole (41) is less than the radius of described bearing pin (11) to the minor increment of described bearing pin (11) axis.
4. plug shaft device as claimed in claim 3, is characterized in that, also comprises the guidepost (5) being fixedly installed on described truss arm (12), is provided with and coordinates the chute (42) sliding with described guidepost (5) on described axle bumper plate (4).
5. plug shaft device as claimed in claim 4, is characterized in that, when described guidepost (5) is during against an end inner edge of chute (42), described through hole (41) with described bearing pin (11) in coaxial state.
6. plug shaft device as claimed in claim 5, is characterized in that, described guidepost (5) is axial arranged along described bearing pin (11), and the fixed part of described telescoping cylinder (8) is fixedly connected on described guidepost (5).
7. plug shaft device as claimed in claim 2, it is characterized in that, described axle bumper plate (4) is rotationally connected with corresponding truss arm (12), its turning cylinder (13) is axial along described bearing pin (11), one end of described axle bumper plate (4) is provided with the drag-line that drives its rotation, and opposed end is provided with the auxiliary section that coordinates locking with described bearing pin (11).
8. the plug shaft device as described in claim 2 to 7 any one, it is characterized in that, described drive disk assembly comprises and is arranged at the turning cylinder (13) that corresponding truss arm (12) is upper and arrange with the axially parallel of described bearing pin (11), on described turning cylinder (13), be at least connected with a described axle bumper plate (4), described drive disk assembly also comprises the drag-line being connected on the non-diameter of axle of described turning cylinder (13).
9. plug shaft device as claimed in claim 8, is characterized in that, also comprises connecting panel (3), and the two ends of described connecting panel (3) are hinged with described axle bumper plate (4) and described turning cylinder (13) respectively.
10. a hoisting crane, comprises truss arm device and is arranged at the plug shaft device in truss arm device, it is characterized in that, described plug shaft device is the plug shaft device described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320436777.3U CN203428806U (en) | 2013-07-19 | 2013-07-19 | Shaft plugging and unplugging device for truss arm and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320436777.3U CN203428806U (en) | 2013-07-19 | 2013-07-19 | Shaft plugging and unplugging device for truss arm and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203428806U true CN203428806U (en) | 2014-02-12 |
Family
ID=50057857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320436777.3U Withdrawn - After Issue CN203428806U (en) | 2013-07-19 | 2013-07-19 | Shaft plugging and unplugging device for truss arm and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203428806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332612A (en) * | 2013-07-19 | 2013-10-02 | 徐州重型机械有限公司 | Shaft insertion and extraction device for lattice boom and crane |
-
2013
- 2013-07-19 CN CN201320436777.3U patent/CN203428806U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332612A (en) * | 2013-07-19 | 2013-10-02 | 徐州重型机械有限公司 | Shaft insertion and extraction device for lattice boom and crane |
| CN103332612B (en) * | 2013-07-19 | 2015-01-21 | 徐州重型机械有限公司 | Shaft insertion and extraction device for lattice boom and 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: 20140212 Effective date of abandoning: 20150121 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20150121 |
|
| RGAV | Abandon patent right to avoid regrant |