CN203173718U - Crane and lateral supporting units thereof - Google Patents
Crane and lateral supporting units thereof Download PDFInfo
- Publication number
- CN203173718U CN203173718U CN 201320087245 CN201320087245U CN203173718U CN 203173718 U CN203173718 U CN 203173718U CN 201320087245 CN201320087245 CN 201320087245 CN 201320087245 U CN201320087245 U CN 201320087245U CN 203173718 U CN203173718 U CN 203173718U
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- support rod
- main support
- principal arm
- hound
- arm
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Abstract
The utility model discloses a crane which comprises a main machine, a main arm, a tower arm and lateral reinforcing devices, wherein the main arm is arranged on the main machine; the tower arm is connected with the main arm; each lateral reinforcing device comprises a diagonal piece and a lateral supporting unit; the diagonal piece is used for transmitting lateral force; the lateral supporting unit is used for supporting the diagonal piece, and is arranged at the head part of the main arm; and the lateral force born by the tower arm is reduced through adjusting the angle between the lateral supporting unit and the main arm. The utility model further discloses the lateral supporting units. Through the way, the crane and the lateral supporting units can adapt to different angle working conditions of the tower arm, transmit the lateral force of the tower arm to the main machine, and improve the lifting performance of the crane.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to a kind of hoisting crane, also relates to a kind of lateral support unit for this hoisting crane.
Background technology
Along with hoisting crane develops towards large-tonnage, need to be equipped with various auxiliarys, for example tower auxiliary and fixed type auxiliary on the principal arm of hoisting crane usually.As everyone knows, the lifting performance of hoisting crane is one of important indicator of weighing the hoisting crane overall performance, and wherein, lateral stability normally influences the key factor of lifting performance.In the prior art, usually be provided with the side direction stiffening device preventing the lateral deformation of principal arm in the principal arm operating mode, yet when tower arm operating mode, can't effectively prevent the lateral deformation of tower arm.
Application number is that 201020653367.0 utility model discloses a kind of tower crane that is provided with crane arm side direction suspension cable, this tower crane arranges horizontal brace at the body of the tower top, this horizontal brace is by being T font framing member perpendicular to the horizontal brace of the side on luffing plane with crane arm coexists that end in the luffing plane is equipped with that the back horizontal brace of luffing assembly pulley forms jointly, be respectively arranged with a crane arm side direction suspension cable in the crane arm both sides, one end of two crane arm side direction suspension cables is fixed in the head of crane arm, the other end is connected to the two ends of the horizontal brace of side of horizontal brace, it is two right-angled triangles of common edge with the crane arm that two crane arm side direction suspension cables and the horizontal brace of side and crane arm have constituted, to improve the side direction non-deformability of this crane arm.
Yet this horizontal brace is T font structure, and the horizontal brace of its side direction and tower arm are fixed as 90 degree, and when the tower arm was converted into other angles and carries out work, this structure can't be proofreaied and correct the lateral deformation of tower arm well.
The utility model content
The utility model provides a kind of hoisting crane and lateral support unit thereof, can solve tower arm low problem of side direction non-deformability when the conversion different angles are worked.
In order to address the above problem, a kind of technical scheme that the utility model adopts is: a kind of hoisting crane is provided, this hoisting crane comprises: main frame, principal arm, tower arm and side direction stiffening device, this principal arm is located on this main frame, this tower arm is connected with this principal arm, this side direction stiffening device comprises for the oblique draw piece that transmits side force with for the lateral support unit that supports this oblique draw piece, this lateral support unit is arranged at the head of principal arm, and the angle by regulating lateral support unit and principal arm is to reduce the side force that the tower arm bears.
Wherein, the lateral support unit comprises: main support rod and hound, and first end of main support rod is articulated in the head of principal arm; First end of hound is articulated in the head of principal arm, and arranges at interval with first end of main support rod, the second end setting of the contiguous main support rod of second end of hound; Hound is hydraulic ram, and the collapsing length by changing hydraulic ram is to change the angle of main support rod and principal arm.
Wherein, the lateral support unit comprises: main support rod and hound, and first end of main support rod is articulated in the head of principal arm; First end of hound is articulated in the head of principal arm, and arranges at interval with first end of main support rod, the second end setting of the contiguous main support rod of second end of hound; Hound is the inner and outer pipes assembly, pipe and outer tube in the inner and outer pipes assembly comprises, and interior pipe is provided with a plurality of pin holes, and the outer tube correspondence is provided with a plurality of pin holes, and the binding site by changing a plurality of pin holes is to change the angle of main support rod and principal arm.
Wherein, the lateral support unit comprises: main support rod and hound, and first end of main support rod is articulated in the head of principal arm; First end of hound is articulated in the head of principal arm, and arrange at interval with first end of main support rod, main support rod is provided with a plurality of installation sites, and second end of hound is connected in main support rod to change the angle of main support rod and principal arm by different a plurality of installation sites.
Wherein, the lateral support unit also comprises revolving part, and revolving part is arranged at second end of main support rod, and revolving part is rotaryed connection with main support rod.
Wherein, revolving part comprises pulley bracket and is located at pulley in the pulley bracket, and pulley bracket is fixed in second end of main support rod by bearing pin, and pulley bracket rotates around bearing pin, tiltedly the nested pulley of draw piece.
Wherein, the side direction stiffening device is two, is symmetricly set in the both sides of the head of principal arm.
Wherein, the side direction stiffening device further is located on the main frame.
For solving the problems of the technologies described above, the utility model also provides a kind of side direction for hoisting crane to strengthen the unit, hoisting crane comprises main frame, principal arm and tower arm, and the lateral support unit is arranged at the head of principal arm, and the angle by regulating lateral support unit and principal arm is to reduce the side force that the tower arm bears.
Wherein, the lateral support unit comprises main support rod, hound and revolving part, and first end of main support rod is articulated in the head of principal arm, and first end of hound is articulated in the head of principal arm, and arrange at interval with first end of main support rod, second end of hound is connected with main support rod; Revolving part is arranged at second end of main support rod, and revolving part is rotaryed connection with main support rod.
The lateral support unit of hoisting crane of the present utility model and the adjustable angle of principal arm joint are passed to main frame by oblique draw piece with the side force that the tower arm bears again, are born by main frame.The horizontal brace of middle side and tower arm become to fix 90 degree compared to existing technology, and hoisting crane of the present utility model and lateral support unit thereof can adapt to tower arm different angles operating mode, and the side force of tower arm is passed to main frame, improve the lifting performance of hoisting crane.
Description of drawings
Fig. 1 is the structural representation of the utility model hoisting crane one embodiment;
Fig. 2 is the structural representation of the lateral support unit of hoisting crane shown in Figure 1;
Fig. 3 is the main support rod of lateral support shown in Figure 1 unit and the structural representation that the principal arm angle changes first application examples;
Fig. 4 is the main support rod of lateral support shown in Figure 1 unit and the structural representation that the principal arm angle changes second application examples;
Fig. 5 is the main support rod of lateral support shown in Figure 1 unit and the structural representation that the principal arm angle changes the 3rd application examples;
Fig. 6 is the side direction stiffening device A main enlarged diagram of looking partly of hoisting crane shown in Figure 1;
Fig. 7 is that side direction stiffening device A shown in Figure 1 partly overlooks enlarged diagram;
Fig. 8 is the structural representation of the utility model lateral support unit one embodiment.
The specific embodiment
Below in conjunction with drawings and embodiments the utility model is elaborated.
See also Fig. 1, Fig. 1 is the structural representation of the utility model hoisting crane one embodiment.This hoisting crane comprises main frame 10, principal arm 20, tower arm 30 and side direction stiffening device 40, and wherein, the part of principal arm 20 is omitted and shown that main frame 10 is provided with turntable, parts such as chassis; Principal arm 20 is located on the main frame 10, and tower arm 30 is connected with principal arm 20, and when hoisting crane was in principal arm 20 operating modes, tower arm 30 can place principal arm 20 1 sides.
Side direction stiffening device 40 comprises for the oblique draw piece 50 that transmits side force with for the lateral support unit 60 that supports oblique draw piece 50.Wherein, in the present embodiment, side direction stiffening device 40 is two, is symmetricly set in the both sides of the head of principal arm 20.Lateral support unit 60 is arranged at the head of principal arm 20, and the angle by regulating lateral support unit 60 and principal arm 20 is to reduce the side force that tower arm 30 bears.
See also Fig. 2, Fig. 2 is the structural representation of the lateral support unit of hoisting crane shown in Figure 1.Lateral support unit 60 comprises main support rod 601, hound 602 and revolving part 603, in actual applications, following situation can occur during crane tower arm operating mode: 1) the work brachium of tower arm 30 is according to the job requirements conversion, and the increment of tower arm 30 is inconsistent with the increment of oblique draw piece 50; 2) operating angle of tower arm 30 is converted into different angles according to job requirements.For the side force of better tower arm 30 being born passes to main frame 10, the angle that needs to change lateral support unit 60 and principal arm 20 is achieved.
See also Fig. 3, Fig. 3 is the main support rod of lateral support shown in Figure 1 unit and the structural representation that the principal arm angle changes first application examples.First end of main support rod 601 is articulated in the head of principal arm 20, and first end of hound 602 is articulated in the head of principal arm 20, and arranges at interval with first end of main support rod 601, the second end setting of the contiguous main support rod 601 of second end of hound 602.In the present embodiment, hound 602 is hydraulic ram, preferably, adopt telescopic multistage hydraulic cylinder, this telescopic multistage hydraulic cylinder can be by the change that realizes its length with withdrawal of stretching out of piston rod, and its concrete principle of work belongs to general knowledge as well known to those skilled in the art, does not give unnecessary details at this.Thereby by adopting telescopic hydraulic ram to change the angle of main support rod 601 with the principal arm 20 of lateral support unit 60.
See also Fig. 4, Fig. 4 is the main support rod of lateral support shown in Figure 1 unit and the structural representation that the principal arm angle changes second application examples.First end of main support rod 601 is articulated in the head of principal arm 20, and first end of hound 602 is articulated in the head of principal arm 20, and arranges at interval with first end of main support rod 601, the second end setting of the contiguous main support rod 601 of second end of hound 602.In the present embodiment, hound 602 is the inner and outer pipes assembly, pipe 6021 and outer tube 6022 in this inner and outer pipes assembly comprises, should be provided with a plurality of pin holes 6023 by interior pipe 6021, outer tube 6022 correspondences are provided with a plurality of pin holes 6023, different binding sites at a plurality of pin holes 6023 of interior pipe 6021 and outer tube 6022 are plugged the length that latch can change the inner and outer pipes assembly, with the main support rod 601 that changes lateral support unit 60 angle with principal arm 20.
See also Fig. 5, Fig. 5 is the main support rod of lateral support shown in Figure 1 unit and the structural representation that the principal arm angle changes the 3rd application examples.First end of main support rod 601 is articulated in the head of principal arm 20, first end of hound 602 is articulated in the head of principal arm 20, and arrange at interval with first end of main support rod 601, main support rod 601 is provided with a plurality of installation sites, and second end of hound 602 is by being connected in main support rod 601 with the main support rod 601 that changes lateral support unit 60 angle with principal arm 20 with different installation site.For example, in the present embodiment, main support rod 601 is provided with first installation site 101, second installation site 102, the 3rd installation site 103, the 4th installation site 104 and the 5th installation site 105, changes the angle of main support rod 601 with the principal arm 20 of lateral support unit 60 by the difference that is installed on above-mentioned five installation sites.Certainly, in other examples, can be provided with installation sites such as six or seven, the utility model does not limit the number of installation site yet.
What deserves to be mentioned is that bigger with the angular adjustment scope of principal arm 20 in order to make lateral support unit 60, those skilled in the art can also be combined first application examples or second application examples is combined with the 3rd application examples with the 3rd application examples.
Please in conjunction with consulting Fig. 6 and Fig. 7, to be that the side direction stiffening device A of hoisting crane shown in Figure 1 is partly main look enlarged diagram to Fig. 6, and Fig. 7 is that side direction stiffening device A shown in Figure 1 partly overlooks enlarged diagram.Revolving part 603 is arranged at second end of main support rod 601, and revolving part 603 is rotaryed connection with main support rod 601.Particularly, in the present embodiment, in order to strengthen the stability of jib, main support rod 601 and hound 602 adopt truss structure, second end at main support rod 601 is provided with adapter plate 604, and revolving part 603 comprises pulley bracket 701 and the pulley of being located in this pulley bracket 701 702, and pulley bracket 701 utilizes bearing pin 80 to be fixed in second end of main support rod 601 by adapter plate 604, pulley bracket 701 is around bearing pin 80 rotations, tiltedly draw piece 50 nested pulleys 702.
What deserves to be explained is that this side direction stiffening device 40 further is located on the main frame 10, it can be passed to the side force that principal arm 20 is subjected to main frame 10.
Working process below in conjunction with this hoisting crane of Fig. 1-7 explanation.
When hoisting crane is in tower arm 30 operating modes, in plane of rotation, when the brachium of tower arm 30 increases or shortens according to job requirements, when perhaps the operating angle of tower arm 30 is carried out conversion, can adjust the angle of main support rod 601 and principal arm 20 by above-mentioned embodiment, the side force that the oblique draw piece 50 of recycling is subjected to tower arm 30 is passed to main frame 10; In the luffing plane, can rotate to only loading angle around main support rod 601 according to revolving part 603, thereby the side force of tower arm 30 better is passed to main frame 10.When hoisting crane was in principal arm 20 operating modes, the side direction stiffening device 40 that is arranged on the main frame 10 can be passed to main frame with the side force that principal arm 20 is subjected in conjunction with oblique draw piece 50 in plane of rotation and luffing plane, thereby improves the lifting performance of hoisting crane.What expect easily is, when hoisting crane has only principal arm 20 operating modes, can only be arranged at the side direction stiffening device 40 on the main frame 10, when hoisting crane had principal arm 20 operating modes and tower arm 30 operating modes, the side direction stiffening device 40 that is arranged on the main frame 10 and is arranged at principal arm 20 heads was worked simultaneously and is controlled with the lateral stability to hoisting crane.
The angle of hoisting crane of the present utility model by adjusting lateral support unit 60 and principal arm 20 is to be adjusted to only loading angle with oblique draw piece 50 in plane of rotation, the horizontal brace of middle side becomes to fix 90 situations about spending with the tower arm compared to existing technology, hoisting crane of the present utility model can adapt to tower arm 30 different angles and different length operating mode, the side force of tower arm 30 is passed to main frame 10, improves the lifting performance of hoisting crane.Further, revolving part 603 can be passed to main frame 10 with the side force that in the luffing plane tower arm 30 is subjected to better around main support rod 601 rotations.
See also Fig. 1 and Fig. 8, Fig. 8 is the structural representation of the utility model lateral support unit one embodiment.This lateral support unit is used for hoisting crane, and this hoisting crane comprises main frame 10, principal arm 20 and tower arm 30, and the lateral support unit is arranged at the head of principal arm 20, and the angle by regulating lateral support unit and principal arm 20 is to reduce the side force that tower arm 30 bears.Particularly, this lateral support unit comprises main support rod 601 ', hound 602 ' and revolving part 603 ', first end of main support rod 601 ' is articulated in the head of principal arm 20, first end of hound 602 ' is articulated in the head of principal arm 20, and arrange at interval with first end of main support rod 601 ', second end of hound 602 ' is connected with main support rod 601 ', this main support rod 601 ' describes (please in conjunction with Fig. 3-5) in detail in the aforementioned embodiment with the implementation of the angle change of principal arm 20, does not repeat them here.
Further, revolving part 603 ' is arranged at second end of main support rod 601 ', and this revolving part 603 ' is rotaryed connection with main support rod 601 ', and its implementation also describes in detail in the aforementioned embodiment, does not repeat them here.
What deserves to be explained is that this lateral support unit also can be arranged on the main frame 10, is understood that, it can reduce the side force of principal arm 20.
Lateral support of the present utility model unit is arranged on the head and main frame of principal arm, and by adjusting the angle of lateral support unit and principal arm, the side force that the oblique draw piece of recycling can bear the tower arm is passed to main frame in plane of rotation, improves the lifting performance of hoisting crane.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. a hoisting crane is characterized in that, described hoisting crane comprises:
Main frame (10);
Principal arm (20) is located on the described main frame (10);
Tower arm (30) is connected with described principal arm (20);
Side direction stiffening device (40) comprises for the oblique draw piece (50) that transmits side force with for the lateral support unit (60) that supports described oblique draw piece (50);
Wherein, described lateral support unit (60) is arranged at the head of described principal arm (20), and the angle by regulating described lateral support unit (60) and described principal arm (20) is to reduce the side force that described tower arm (30) bears.
2. hoisting crane according to claim 1 is characterized in that, described lateral support unit (60) comprising:
Main support rod (601), first end of described main support rod (601) is articulated in the head of described principal arm (20);
Hound (602), first end of described hound (602) is articulated in the head of described principal arm (20), and the second end setting of the contiguous described main support rod of second end of described hound (602) (601) is set at interval with first end of described main support rod (601);
Wherein, described hound (602) is hydraulic ram, and the collapsing length by changing described hydraulic ram is to change the angle of described main support rod (601) and described principal arm (20).
3. hoisting crane according to claim 1 is characterized in that, described lateral support unit (60) comprising:
Main support rod (601), first end of described main support rod (601) is articulated in the head of described principal arm (20);
Hound (602), first end of described hound (602) is articulated in the head of described principal arm (20), and the second end setting of the contiguous described main support rod of second end of described hound (602) (601) is set at interval with first end of described main support rod (601);
Wherein, described hound (602) is the inner and outer pipes assembly, described inner and outer pipes assembly comprises interior pipe (6021) and outer tube (6022), pipe is provided with a plurality of pin holes (6023) in described, described outer tube correspondence is provided with a plurality of described pin holes (6023), and the binding site by changing a plurality of described pin holes (6023) is to change the angle of described main support rod (601) and described principal arm (20).
4. hoisting crane according to claim 1 is characterized in that, described lateral support unit (60) comprising:
Main support rod (601), first end of described main support rod (601) is articulated in the head of described principal arm (20);
Hound (602), first end of described hound (602) is articulated in the head of described principal arm (20), and arranges at interval with first end of described main support rod (601);
Wherein, described main support rod (601) is provided with a plurality of installation sites, and second end of described hound (602) is connected in described main support rod (601) to change the angle of described main support rod (601) and described principal arm (20) by different described a plurality of installation sites.
5. according to each described hoisting crane in the claim 1 to 4, it is characterized in that, described lateral support unit (60) also comprises revolving part (603), described revolving part (603) is arranged at second end of described main support rod (601), and described revolving part (603) is rotaryed connection with described main support rod (601).
6. hoisting crane according to claim 5, it is characterized in that, described revolving part (603) comprises pulley bracket (701) and is located at the interior pulley (702) of described pulley bracket (701), described pulley bracket (701) is fixed in second end of described main support rod (601) by bearing pin (80), described pulley bracket (701) rotates around described bearing pin (80), wherein, the nested described pulley of described oblique draw piece (50) (702).
7. hoisting crane according to claim 6 is characterized in that, described side direction stiffening device (40) is two, is symmetricly set in the both sides of the head of described principal arm (20).
8. hoisting crane according to claim 7 is characterized in that, described side direction stiffening device (40) further is located on the described main frame (10).
9. lateral support unit that is used for hoisting crane, described hoisting crane comprises main frame (10), principal arm (20) and tower arm (30), it is characterized in that, described lateral support unit is used for being arranged at the head of described principal arm (20), and the angle by regulating described lateral support unit and described principal arm (20) is to reduce the side force that described tower arm (30) bears.
10. lateral support according to claim 9 unit is characterized in that described lateral support unit comprises;
Main support rod (601 '), first end of described main support rod (601 ') is articulated in the head of described principal arm (20);
Hound (602 '), first end of described hound (602 ') is articulated in the head of described principal arm (20), and arrange at interval with first end of described main support rod (601 '), second end of described hound (602 ') is connected with described main support rod (601 ');
Revolving part (603 '), described revolving part (603 ') are arranged at second end of described main support rod (601 '), and described revolving part (603 ') is rotaryed connection with described main support rod (601 ').
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087245 CN203173718U (en) | 2013-02-26 | 2013-02-26 | Crane and lateral supporting units thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087245 CN203173718U (en) | 2013-02-26 | 2013-02-26 | Crane and lateral supporting units thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203173718U true CN203173718U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320087245 Expired - Fee Related CN203173718U (en) | 2013-02-26 | 2013-02-26 | Crane and lateral supporting units thereof |
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| Country | Link |
|---|---|
| CN (1) | CN203173718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821137A (en) * | 2018-07-06 | 2018-11-16 | 陈荣乾 | A kind of wind power generating set lifting head mast device of stable support |
-
2013
- 2013-02-26 CN CN 201320087245 patent/CN203173718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821137A (en) * | 2018-07-06 | 2018-11-16 | 陈荣乾 | A kind of wind power generating set lifting head mast device of stable support |
| CN108821137B (en) * | 2018-07-06 | 2020-02-11 | 国核电力规划设计研究院重庆有限公司 | Wind generating set hoist and mount tower crane device of stable support |
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| 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: 20130904 Termination date: 20160226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |