CN203998729U - Arm-tie anchor fitting, super lifting device and hoisting crane - Google Patents
Arm-tie anchor fitting, super lifting device and hoisting crane Download PDFInfo
- Publication number
- CN203998729U CN203998729U CN201420407479.6U CN201420407479U CN203998729U CN 203998729 U CN203998729 U CN 203998729U CN 201420407479 U CN201420407479 U CN 201420407479U CN 203998729 U CN203998729 U CN 203998729U
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- arm
- tie
- anchor fitting
- pin
- hinged
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Abstract
The utility model provides a kind of arm-tie anchor fitting, super lifting device and hoisting crane.This arm-tie anchor fitting comprises: the connecting panel of variable-length, and its first end is for removably connecting by the first bearing pin with the end of arm-tie, and the second end and arm-tie fixed bearing are hinged by the second bearing pin.Arm-tie anchor fitting of the present utility model can adapt to the change of distance between the arm-tie fixed bearing at arm-tie two ends, can remain firm support to arm-tie, and simple in structure, and cost is low.
Description
Technical field
The utility model relates to weight-lifting equipment field, more specifically, relates to a kind of arm-tie anchor fitting, super lifting device and hoisting crane.
Background technology
Along with the fast development of China's economic construction, construction requirement is more and more higher, and various hoister in large tonnage are increasing.The hoisting capacity of hoister in large tonnage is large, but crane arm cross section is subject to width restriction, and the slenderness ratio of hoisting crane is increased, and then rigidity variation while causing lift heavy, side bending deformation is large, crane arm self structure stability is very poor, lifting performance is poor.Current, hoister in large tonnage improves the distortion of crane arm by configuration super lifting device, to strengthen the lifting performance of crane arm.
The super lifting device of hoisting crane generally adopts arm-tie as front stretching device, arm-tie tensioning when crane job, and when hoisting crane travelling position, arm-tie is installed on jib by arm-tie anchor fitting, to avoid rocking back and forth because of transportation the damage causing.Arm-tie anchor fitting generally includes: for the arm-tie bracket of supporting pull plate, and be positioned at the arm-tie fixed bearing of end, arm-tie two ends, the two ends of arm-tie are connected with arm-tie fixed bearing respectively.
Most of arm-tie anchor fitting for example changes, in (being transformed to travelling position by operating condition) process in hoisting crane attitude, and the distance between the arm-tie fixed bearing at arm-tie two ends remains unchanged.A small amount of arm-tie anchor fitting is in hoisting crane attitude change process, distance between the arm-tie fixed bearing at arm-tie two ends can change, because the length of arm-tie itself is fixed, if the fixing variation prior to hoisting crane attitude of arm-tie, the arm-tie of regular length can limit the movement of arm-tie fixed bearing, causes hoisting crane can not complete smoothly attitude and changes; And if after hoisting crane attitude changes fixing arm-tie again, the process that arm-tie changes in hoisting crane attitude easily bumps because of unrestricted, causes deformed damaged.
Therefore, need a kind of arm-tie anchor fitting that can adapt to arm-tie two ends arm-tie fixed bearing change of distance of design badly.
Utility model content
An object of the present utility model is to provide a kind of change of distance that can adapt between the arm-tie fixed bearing of arm-tie two ends, arm-tie is remained to the arm-tie anchor fitting of firm support.The utility model also provides a kind of super lifting device and hoisting crane.
The arm-tie anchor fitting that the utility model provides comprises: the connecting panel of variable-length, and its first end is for removably connecting by the first bearing pin with the end of arm-tie, and the second end and arm-tie fixed bearing are hinged by the second bearing pin.
Further, connecting panel comprises at least two folding arms that connect successively; Or connecting panel comprises the slip joint arm that at least two joints are set-located successively.
Further, connecting panel comprises: the first folding arm, and its first end is used for installing the first bearing pin; The second folding arm, its second end is used for installing the second bearing pin; The second end of the first folding arm and the first end of the second folding arm are hinged by the 3rd bearing pin.
Further, above-mentioned arm-tie anchor fitting also comprises: for the arm-tie bracket of supporting pull plate; And, be connected with arm-tie bracket and for pinning the rotary buckle of arm-tie.
Further, rotary buckle is hinged by the 4th bearing pin and arm-tie bracket; On rotary buckle and arm-tie bracket, be provided with corresponding locking pin-and-hole, while lock pin being installed in locking pin-and-hole, rotary buckle remains on the first pivot position that pins arm-tie; On rotary buckle and arm-tie bracket, be provided with corresponding release pin-and-hole, while latch being installed in release pin-and-hole, rotary buckle remains on the second pivot position of release arm-tie.
Further, the locking pin-and-hole of rotary buckle reconciliation lockpin hole is same pin-and-hole.
The utility model also provides a kind of super lifting device of hoisting crane, comprising: upper cantilever, be mounted in the connected unit of column upper end of hoisting crane, and upper cantilever has the collapsed state of closing up with connected unit; Lower cantalever, is mounted on the turntable of column lower end; Arm-tie, its upper end and upper cantilever are hinged; Collapsible plate, the lower end of its upper end and arm-tie removably connects, and the first end of lower end and tensioning hydro-cylinder is hinged; The second end and the lower cantalever of tensioning hydro-cylinder are hinged; This super lifting device is provided with above-mentioned arm-tie anchor fitting, and arm-tie anchor fitting is used for fixedly arm-tie.
Further, arm-tie fixed bearing arranges near the lower end of column; Upper cantilever is when collapsed state, and the first end of connecting panel and the lower end of arm-tie are hinged by the first bearing pin.
Further, arm-tie fixed bearing is arranged on the lower end of column, or arm-tie fixed bearing is arranged on turntable.
The utility model also provides a kind of hoisting crane, and this hoisting crane is provided with above-mentioned super lifting device.
The arm-tie anchor fitting that the utility model provides comprises the connecting panel of variable-length, between the end, at least one end that connecting panel can be arranged on arm-tie and corresponding arm-tie fixed bearing, free-extension by connecting panel adapts to the change of distance between the arm-tie fixed bearing at arm-tie two ends, in the process that arm-tie anchor fitting can be changed in hoisting crane attitude, all the time arm-tie is kept to firm support, the problems such as deformed damaged of avoiding arm-tie to cause because activity is unrestricted in hoisting crane attitude change process.And the arm-tie fixture structure that the utility model provides is fairly simple, manufacturing cost is also low.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, 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:
The arm-tie anchor fitting that Fig. 1 shows the utility model embodiment to be provided is applied to the structure of column crane device, and wherein hoisting crane is in operating condition;
The arm-tie anchor fitting that Fig. 2 shows the utility model embodiment to be provided is applied to the structure of column crane device, and upper cantilever is wherein in collapsed state;
The arm-tie anchor fitting that Fig. 3 shows the utility model embodiment to be provided is applied to the mechanism of column crane device, and wherein hoisting crane is in travelling position;
Fig. 4 shows the structure of arm-tie bracket and rotary buckle in the utility model embodiment.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Referring to Fig. 1 to Fig. 3, the arm-tie anchor fitting that showing the utility model embodiment provides is applied to the structure of column crane device.In Fig. 1, can find out, this crane device comprises: turntable 3 and be arranged on column 2, connected unit 1 and the crane arm (not shown) on turntable 3.Column 2 comprises a plurality of slip joint arms that are set-located, and during this crane job, column 2 vertically arranges.Connected unit 1 is arranged on the slip joint arm upper end of inner side of column 2, and crane arm is hinged by bearing pin and connected unit 1 in mounting hole 10.The lower end of column 2 is installed on turntable 3, turntable 3 by pivoting support support structure in crane descending device (not shown).
The super lifting device of this hoisting crane comprises upper cantilever 41, lower cantalever 42, arm-tie 51, collapsible plate 52 and tensioning hydro-cylinder 53.Upper cantilever 41 is arranged in connected unit 1, upper cantilever 41 can be close to connected unit 1 by removing part tie bolt and being aided with the mode of oil cylinder pushing before setting level column 2, and can be finally and connected unit 1 close up and (see Fig. 2, the collapsed state of upper cantilever 41 in closing up with connected unit 1), so that size conforms road driving requirement during transportation.Lower cantalever 42 is mounted on the turntable 3 of column 2 lower ends, and lower cantalever 42 can be that integral structure can be also split-type structural with turntable 3.The upper end of arm-tie 51 is connected with the arm-tie fixed bearing (below also referred to as upper arm-tie fixed bearing) on upper cantilever 41, and arm-tie 51 can be connected and be made by long pole.Collapsible plate 52 is connected and is made and can fold by short member, the lower end of the upper end of collapsible plate 52 and arm-tie 51 removably connects, the first end of the lower end of collapsible plate 52 and tensioning hydro-cylinder 53 (rod end) is hinged, and the second end of tensioning hydro-cylinder 53 (cylinder barrel end) is hinged with lower cantalever 42.During crane job, the length of opening of collapsible plate 52 changes according to the collapsing length of column 2, and can be by tensioning hydro-cylinder 53 tensionings.Collapsible plate 52 when hoisting crane travelling position can with arm-tie 51, the separated rear transportation of tensioning hydro-cylinder 53.
When the arm-tie anchor fitting that the utility model embodiment provides is applied to above-mentioned super lifting device for fixing arm-tie 51, this arm-tie anchor fitting comprises the connecting panel 6 of variable-length, at least between one end (lower end in figure) of arm-tie 51 and corresponding arm-tie permanent seat 31 (below also referred to as lower pulling plate fixed bearing), be provided with this connecting panel 6, particularly, the first end of connecting panel 6 is for removably connecting by the first bearing pin 91 with the end of arm-tie 51, the second end of connecting panel 6 and arm-tie fixed bearing 31 are hinged by the second bearing pin 92, the free-extension of connecting panel 6 makes the adjustable in length of connecting panel 6.Arm-tie fixed bearing 31 arranges near the lower end of column 2, and preferably, arm-tie fixed bearing 31 can be arranged on the root of column 2, or arm-tie fixed bearing 31 is arranged on the turntable 3 of column 2 lower ends.
When needs transition transport crane, before setting level column 2, first the lower end of arm-tie 51 and the upper end of collapsible plate 52 are separated, then upper cantilever 41 is packed up to (seeing Fig. 2).Upper cantilever 41 is packed up in process, arm-tie 51 keeps connecting with upper cantilever 41 and rotating with upper cantilever 41, after upper cantilever 41 is packed up, arm-tie 51 moves to the top of connecting panel 6 outer wall of close column 2, then the end, lower end of arm-tie 51 and the first end of connecting panel 6 are detachably hinged by the first bearing pin 91, like this, arm-tie anchor fitting has just played fixation to arm-tie 51, sets level afterwards the operation of column 2 again.For reducing the height of device of boarding, referring to Fig. 3, also need to remove the part bearing pin between link span 1 and column 2, by link span 1 horizontal development, in this process, the upper arm-tie fixed bearing that arm-tie 51 two ends are corresponding and the distance between lower pulling plate fixed bearing can change, but the free-extension by connecting panel 6 can regulate the change of distance between arm-tie 51 two ends arm-tie fixed bearings automatically, make arm-tie anchor fitting in the process of hoisting crane attitude change (opening link span 1), to arm-tie 51, to keep firm support all the time, the problems such as deformed damaged of avoiding arm-tie 51 to cause because activity is unrestricted in hoisting crane attitude change process.And the arm-tie fixture structure that the utility model provides is fairly simple, manufacturing cost is also low.
It should be noted that, although the arm-tie anchor fitting in above-described embodiment only arranges connecting panel 6 between one end (lower end) of arm-tie 51 and corresponding arm-tie fixed bearing 31, but in other embodiments, also can between the other end (upper end) of arm-tie 51 and corresponding arm-tie fixed bearing (upper arm-tie fixed bearing), also be provided with this connecting panel 6, to adapt to larger change of distance between arm-tie 51 two ends arm-tie fixed bearings (upper arm-tie fixed bearing and lower pulling plate fixed bearing).
It should be noted that, the connecting panel 6 of variable-length has various structures form, for example connecting panel 6 adopts telescopic arm structure, it comprises the slip joint arm that at least two joints are set-located successively, or adopt at least two folding arm structures that connect successively, all can reach the adjustable effect of connecting panel 6 length automatic telescopic.In the present embodiment, connecting panel 6 comprises that the first folding arm 61 and second the second end of folding arm 62, the first folding arms 61 and the first end of the second folding arm 62 are hinged by the 3rd bearing pin 93 particularly.The second end that the first end of the first folding arm 61 is used for installing the first bearing pin 91, the second folding arms 62 is used for installing the second bearing pin 92.
Preferably, this arm-tie anchor fitting also comprises the arm-tie bracket 7 for supporting pull plate 51, so that arm-tie 51 and the separated setting of hoisting crane miscellaneous part are avoided collision each other.When arm-tie bracket 7 is a plurality of, a plurality of arm-tie brackets 7 are arranged along the bearing of trend of arm-tie 51, to play the effect of even supporting pull plate 51.Arm-tie bracket 7 is fixed on the outer wall of column 2 in the present embodiment, and supporting pull plate 51 when it is set level at column 2 does not directly contact arm-tie 51 with column 2 surfaces.As shown in Figure 3, when column 2 is set level, arm-tie 51 drops on arm-tie bracket 7, by arm-tie bracket 7 is set, carrys out supporting pull plate 51, can avoid arm-tie 51 to bump with column 2 in transportation.Preferably, be also connected with for pinning the rotary buckle 8 of arm-tie 51 on arm-tie bracket 7, arm-tie 51 is clamped between arm-tie bracket 7 and rotary buckle 8, like this, arm-tie 51 rises in perpendicular and transportation and can not depart from rocking of arm-tie bracket 7 at column.
In the present embodiment, also show a kind of preferred implementation of rotary buckle 8.Specifically referring to Fig. 4, rotary buckle 8 is hinged with arm-tie bracket 7 by the 4th bearing pin 94, on rotary buckle 8 and arm-tie bracket 7, be provided with corresponding locking pin-and-hole, when rotary buckle 8 is during at the first pivot position, the locking pin-and-hole of rotary buckle 8 is corresponding with the locking pin-and-hole of arm-tie bracket 7, detouchable lock pin 95 is installed in locking pin-and-hole, rotary buckle 8 can be remained on to the first pivot position that pins arm-tie 51, see Fig. 4 right side rotary buckle 8.On rotary buckle 8 and arm-tie bracket 7, be provided with corresponding release pin-and-hole, when rotary buckle 8 is during at the second pivot position, the release pin-and-hole of rotary buckle 8 is corresponding with the release pin-and-hole of arm-tie bracket 7, detouchable latch 96 is installed in release pin-and-hole, rotary buckle 8 can be remained on to the second pivot position of release arm-tie 51, see Fig. 4 left side rotary buckle 8.Like this, by plugging lock pin 95 or latch 96, and change the pivot position of rotary buckle 8, can pin easily or release arm-tie 51.Preferably, it is same pin-and-hole that the locking pin-and-hole of rotary buckle 8 is conciliate lockpin hole, when the different turned position of rotary buckle 8, this same pin-and-hole is used or uses as release pin-and-hole as locking pin-and-hole, like this, the lock pin 95 of same rotary buckle 8 and latch 96 can be same bearing pin, have further reduced cost.
The utility model embodiment also provides a kind of hoisting crane, and this hoisting crane is provided with above-mentioned super lifting device.Because this super lifting device has above-mentioned technique effect, therefore, the hoisting crane that is provided with this super lifting device also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an arm-tie anchor fitting, it is characterized in that, comprise: the connecting panel of variable-length (6), its first end is for removably connecting by the first bearing pin (91) with the end of arm-tie, and the second end and arm-tie fixed bearing are hinged by the second bearing pin (92).
2. arm-tie anchor fitting according to claim 1, is characterized in that, described connecting panel (6) comprises at least two folding arms that connect successively; Or described connecting panel (6) comprises the slip joint arm that at least two joints are set-located successively.
3. arm-tie anchor fitting according to claim 2, is characterized in that, described connecting panel (6) comprising:
The first folding arm (61), its first end is used for installing described the first bearing pin (91);
The second folding arm (62), its second end is used for installing described the second bearing pin (92); The first end of the second end of described the first folding arm (61) and described the second folding arm (62) is hinged by the 3rd bearing pin (93).
4. according to the arm-tie anchor fitting described in any one in claims 1 to 3, it is characterized in that, also comprise: for supporting the arm-tie bracket (7) of described arm-tie; And, be connected with described arm-tie bracket (7) and for pinning the rotary buckle (8) of described arm-tie.
5. arm-tie anchor fitting according to claim 4, is characterized in that,
Described rotary buckle (8) is hinged by the 4th bearing pin (94) and described arm-tie bracket (7);
On described rotary buckle (8) and described arm-tie bracket (7), be provided with corresponding locking pin-and-hole, when lock pin (95) is installed in described locking pin-and-hole, described rotary buckle (8) remains on the first pivot position that pins described arm-tie;
On described rotary buckle (8) and described arm-tie bracket (7), be provided with corresponding release pin-and-hole, when latch (96) is installed in described release pin-and-hole, described rotary buckle (8) remains on the second pivot position of arm-tie described in release.
6. arm-tie anchor fitting according to claim 5, is characterized in that, it is same pin-and-hole that the locking pin-and-hole of described rotary buckle (8) is conciliate lockpin hole.
7. a super lifting device for hoisting crane, comprising: upper cantilever (41), and the connected unit (1) of column (2) upper end that is mounted to hoisting crane is upper, and described upper cantilever (41) has the collapsed state of closing up with described connected unit (1); Lower cantalever (42), is mounted on the turntable (3) of described column lower end; Arm-tie (51), its upper end and described upper cantilever (41) are hinged; Collapsible plate (52), the lower end of its upper end and described arm-tie (51) removably connects, and the first end of lower end and tensioning hydro-cylinder (53) is hinged; The second end of described tensioning hydro-cylinder (53) and described lower cantalever (42) are hinged; It is characterized in that, this super lifting device is provided with the arm-tie anchor fitting described in any one in claim 1 to 6, and described arm-tie anchor fitting is for fixing described arm-tie (51).
8. super lifting device according to claim 7, is characterized in that, described arm-tie fixed bearing arranges near the lower end of described column (2); Described upper cantilever (41) is when collapsed state, and the lower end of the first end of described connecting panel (6) and described arm-tie (51) is hinged by described the first bearing pin (91).
9. super lifting device according to claim 8, is characterized in that, described arm-tie fixed bearing is arranged on the lower end of described column (2), or described arm-tie fixed bearing is arranged on described turntable (3).
10. a hoisting crane, is characterized in that, is provided with the super lifting device described in any one in claim 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407479.6U CN203998729U (en) | 2014-07-23 | 2014-07-23 | Arm-tie anchor fitting, super lifting device and hoisting crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407479.6U CN203998729U (en) | 2014-07-23 | 2014-07-23 | Arm-tie anchor fitting, super lifting device and hoisting crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203998729U true CN203998729U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420407479.6U Expired - Fee Related CN203998729U (en) | 2014-07-23 | 2014-07-23 | Arm-tie anchor fitting, super lifting device and hoisting crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203998729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302099A (en) * | 2017-12-12 | 2018-07-20 | 湖南百特随车起重机有限公司 | A kind of locking system and the turntable with locking system |
-
2014
- 2014-07-23 CN CN201420407479.6U patent/CN203998729U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302099A (en) * | 2017-12-12 | 2018-07-20 | 湖南百特随车起重机有限公司 | A kind of locking system and the turntable with locking system |
| CN108302099B (en) * | 2017-12-12 | 2020-12-25 | 湖南百特随车起重机有限公司 | Locking device and rotary table with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20200723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |