CN204079306U - A kind of arm-folding crane - Google Patents
A kind of arm-folding crane Download PDFInfo
- Publication number
- CN204079306U CN204079306U CN201420356690.XU CN201420356690U CN204079306U CN 204079306 U CN204079306 U CN 204079306U CN 201420356690 U CN201420356690 U CN 201420356690U CN 204079306 U CN204079306 U CN 204079306U
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- arm
- main
- folding
- leading sheave
- crane
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- 239000000725 suspension Substances 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 description 15
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of arm-folding crane, belong to crane field.Arm-folding crane comprises pilum, turret, main crane arm, folding arm, folding arm amplitude oil cylinder, secondary hoist rope, secondary hoister winch and secondary suspension hook, turret is located on pilum, main crane arm bottom-hinged is bottom turret, folding arm is hinged on main crane arm top, oil cylinder part in folding arm amplitude oil cylinder is located on main crane arm, piston rod portion in folding arm amplitude oil cylinder is located on folding arm, the one ends wound of secondary hoist rope is on secondary hoister winch, the other end of secondary hoist rope is connected with secondary suspension hook, arm-folding crane also comprises the first leading sheave, second leading sheave, main variable-amplitude steel wire rope and main span winch, first leading sheave is fixed on turret top, second leading sheave is fixed on face upwards, main crane arm top, main span winch is located in turret, one end of main variable-amplitude steel wire rope walks around the second leading sheave successively and the first leading sheave is wrapped on main span winch.
Description
Technical field
The utility model relates to crane field, particularly a kind of arm-folding crane.
Background technology
Arm-folding crane is the one in hoisting crane, and comprise basic arm and folding arm, folding arm is flexibly connected with basic arm.Wherein, basic arm and folding arm carry out luffing respectively by hydraulic ram.Carry out luffing by hydraulic ram and possess the fast and work efficiency advantages of higher of derricking speed.But, when by hydraulic ram luffing, by the restriction of the installation site of hydraulic ram, the size specification of hydraulic ram is certain, the heavy burden that hydraulic ram can carry can only be within limits, therefore, the lift heavy of arm-folding crane is smaller, makes arm-folding crane can not be applicable to the spatial scene large to lift heavy requirement.
Utility model content
In order to solve the problem of prior art, the utility model embodiment provides a kind of arm-folding crane.Described technical scheme is as follows:
The utility model embodiment provides a kind of arm-folding crane, and described arm-folding crane comprises pilum, turret, main crane arm, folding arm, folding arm amplitude oil cylinder, secondary hoist rope, secondary hoister winch and secondary suspension hook;
Described turret is located on described pilum, described main crane arm bottom-hinged is bottom described turret, described folding arm is hinged on described main crane arm top, oil cylinder part in described folding arm amplitude oil cylinder is located on described main crane arm, piston rod portion in described folding arm amplitude oil cylinder is located on described folding arm, the one ends wound of described secondary hoist rope is being located on the described secondary hoister winch on described main crane arm or on described turret, the other end of described secondary hoist rope is walked around the leading sheave group be located on described folding arm and is connected with described secondary suspension hook, described secondary suspension hook hanging is below described folding arm,
Described arm-folding crane also comprises the first leading sheave, the second leading sheave, main variable-amplitude steel wire rope and main span winch,
Described first leading sheave is fixed on described turret top, described second leading sheave is fixed on face upwards, described main crane arm top, described main span winch is located in described turret, one end of described main variable-amplitude steel wire rope is walked around described second leading sheave and described first leading sheave successively and is wrapped on described main span winch, and the other end of described main variable-amplitude steel wire rope is fixed on the top of described turret or the top of described main crane arm.
In the first embodiment, described arm-folding crane also comprises the 3rd leading sheave, the 4th leading sheave, main hoist rope, main hoister winch and main suspension hook,
Described 3rd leading sheave is fixed on described turret top, described 4th leading sheave is fixed on downward face, described main crane arm top, described main hoister winch is located in described turret, the one ends wound of described main hoist rope is on described main hoister winch, the other end of described main hoist rope walks around described 3rd leading sheave successively, described second leading sheave is connected with described main suspension hook with described 4th leading sheave, and described main suspension hook hanging is below described main crane arm.
In this second embodiment, described leading sheave group comprises the 5th to the 7th leading sheave, described 5th leading sheave and described 6th leading sheave are separately positioned on the two ends of described folding arm, described 5th leading sheave is near the junction of described main crane arm and described folding arm, and described 7th leading sheave is positioned in the middle of described 5th leading sheave and described 6th leading sheave.
In the third embodiment, described secondary hoister winch to be located in the middle part of described main crane arm on face upwards.
In the 4th embodiment, described secondary hoister winch is located on face downward bottom described main crane arm.
In the 5th embodiment, described secondary hoister winch is arranged on the middle part of described turret.
In the 6th embodiment, described main crane arm is box-structure.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Main crane arm carries out luffing operation by main variable-amplitude steel wire rope, and folding arm carries out luffing by folding arm amplitude oil cylinder, when folding arm and main crane arm work simultaneously, realize significantly lifting by secondary suspension hook, because main crane arm is rope luffing, therefore, the lifting of heavy duty is realized by secondary suspension hook.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of arm-folding crane that the utility model embodiment provides;
Fig. 2 is the schematic diagram of the installation site of the secondary hoister winch that the utility model embodiment provides.
In figure: 1-pilum, the main crane arm of 2-turret, 3-, 4-folding arm, 5-folding arm amplitude oil cylinder, 51-oil cylinder part, 52-piston rod portion, the secondary hoist rope of 6-, the secondary hoister winch of 7-, the secondary suspension hook of 8-, 9-leading sheave group, 91-the 5th leading sheave, 92-the 6th leading sheave, 93-the 7th leading sheave, 10-first leading sheave, 11-second leading sheave, the main variable-amplitude steel wire rope of 12-, the main span winch of 13-, 14-the 3rd leading sheave, 15-the 4th leading sheave, the main hoist rope of 16-, the main suspension hook of 17-.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment
The utility model embodiment provides a kind of arm-folding crane, and see Fig. 1 and Fig. 2, this arm-folding crane comprises: pilum 1, turret 2, main crane arm 3, folding arm 4, folding arm amplitude oil cylinder 5, secondary hoist rope 6, secondary hoister winch 7 and secondary suspension hook 8.
Turret 2 is located on pilum 1, and main crane arm 3 bottom-hinged is bottom turret 2, and folding arm 4 is hinged on main crane arm 3 top.Oil cylinder part 51 in folding arm amplitude oil cylinder 5 is located on main crane arm 3, and the piston rod portion 52 in folding arm amplitude oil cylinder 5 is located on folding arm 4.The one ends wound of secondary hoist rope 6 is being located on the secondary hoister winch 7 on main crane arm 3 or on turret 2, and the other end of secondary hoist rope 6 is walked around the leading sheave group 9 be located on folding arm 4 and is connected with secondary suspension hook 8.Secondary suspension hook 8 hanging is below folding arm 4.
This arm-folding crane also comprises: the first leading sheave 10, second leading sheave 11, main variable-amplitude steel wire rope 12 and main span winch 13.
First leading sheave 10 is fixed on turret 2 top, and the second leading sheave 11 is fixed on face upwards, main crane arm 3 top.Main span winch 13 is located in turret 2, one end of main variable-amplitude steel wire rope 12 is walked around the second leading sheave 11 and the first leading sheave 10 successively and is wrapped on main span winch 13, the other end of main variable-amplitude steel wire rope 12 can be fixed on main crane arm 3 top, also can be fixed on turret 2 top.
It should be noted that, the propulsion source needed for this arm-folding crane not shown, such as, be respectively the HM Hydraulic Motor that folding arm amplitude oil cylinder 5, secondary hoister winch 7 and main span winch 13 provide hydraulic oil.The structure of this propulsion source can adopt the structure in correlation technique medium power source.
In the present embodiment, between folding arm 4 and main crane arm 3 can be stud connection.Main crane arm 3 carries out luffing operation by main variable-amplitude steel wire rope 12, and folding arm 4 carries out luffing by folding arm amplitude oil cylinder 5.When folding arm 4 and main crane arm 3 work simultaneously, realize significantly lifting by secondary suspension hook 8.And, because main crane arm 3 is rope luffings, therefore, realize the lifting of heavy duty by secondary suspension hook 8.
Wherein, leading sheave group 9 comprises the 5th to the 7th leading sheave 91,92,93.5th leading sheave 91 and the 6th leading sheave 92 are separately positioned on the two ends of folding arm 4, and the 5th leading sheave 91 is near the junction of main crane arm 3 and folding arm 4, and the 7th leading sheave 93 is positioned in the middle of the 5th leading sheave 91 and the 6th leading sheave 92.
Wherein, this arm-folding crane also comprises: the 3rd leading sheave 14, the 4th leading sheave 15, main hoist rope 16, main hoister winch (scheming not shown) and main suspension hook 17.
3rd leading sheave 14 is fixed on turret 2 top, 4th leading sheave 15 is fixed on downward face, main crane arm 3 top, main hoister winch is located in turret 2, one end of main hoist rope 16 is wound on main hoister winch, and the other end of main hoist rope 16 is walked around the 3rd leading sheave 14, second leading sheave 11 successively and is connected with main suspension hook 17 with the 4th leading sheave 15.The hanging of main suspension hook 17 is below main crane arm 3.
Wherein, main hoister winch can be same winch with main span winch 13.
In the present embodiment, when carrying out lifting by a small margin, folding arm 4 can not participate in work, operates main span winch 13 and main hoister winch, make main crane arm 3 carry out luffing by main variable-amplitude steel wire rope 12, be lifted by main hoist rope 16 and main suspension hook 17, just achieve lifting by a small margin.Further, because main crane arm 3 is rope luffings, therefore, main crane arm 3 can realize the lifting of super-heavy load.As previously mentioned, when significantly lifting, folding arm 4 and main crane arm 3 work simultaneously, and main crane arm 3 carries out luffing operation by main variable-amplitude steel wire rope 12, and folding arm 4 carries out luffing by folding arm amplitude oil cylinder 5, realizes significantly lifting by secondary suspension hook 8.
Wherein, secondary hoister winch 7 can be located in the middle part of main crane arm 3 on face upwards (see Fig. 1), also can be located on face downward bottom main crane arm 3 (see Fig. 2), the middle part (see Fig. 2) of turret 2 can also be arranged on, can also be located on the erecting stage of hoisting crane.
When in the middle part of secondary hoister winch 7 is arranged in main the crane arm 3 or middle part of turret 2, the bottom construction space of hoisting crane can be saved; When secondary hoister winch 7 be arranged in bottom main crane arm 3 or the erecting stage of the bottom of turret 2 or hoisting crane time, repair more convenient.In a word, operating personal can carry out reasonable Arrangement according to total demand.
Wherein, main crane arm 3 can be box-structure.
In the utility model embodiment, main crane arm carries out luffing operation by main variable-amplitude steel wire rope, folding arm carries out luffing by folding arm amplitude oil cylinder, when folding arm and main crane arm work simultaneously, realize significantly lifting by secondary suspension hook, because main crane arm is rope luffing, therefore, the lifting of heavy duty is realized by secondary suspension hook.
The foregoing is 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 amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. an arm-folding crane, described arm-folding crane comprises pilum (1), turret (2), main crane arm (3), folding arm (4), folding arm amplitude oil cylinder (5), secondary hoist rope (6), secondary hoister winch (7) and secondary suspension hook (8);
Described turret (2) is located on described pilum (1), described main crane arm (3) bottom-hinged is in described turret (2) bottom, described folding arm (4) is hinged on described main crane arm (3) top, oil cylinder part (51) in described folding arm amplitude oil cylinder (5) is located on described main crane arm (3), piston rod portion (52) in described folding arm amplitude oil cylinder (5) is located on described folding arm (4), the one ends wound of described secondary hoist rope (6) is being located on the described secondary hoister winch (7) of described main crane arm (3) above or on described turret (2), the other end of described secondary hoist rope (6) is walked around the leading sheave group (9) be located on described folding arm (4) and is connected with described secondary suspension hook (8), the hanging of described secondary suspension hook (8) is in described folding arm (4) below, it is characterized in that,
Described arm-folding crane also comprises the first leading sheave (10), the second leading sheave (11), main variable-amplitude steel wire rope (12) and main span winch (13),
Described first leading sheave (10) is fixed on described turret (2) top, described second leading sheave (11) is fixed on face upwards, described main crane arm (3) top, described main span winch (13) is located in described turret (2), one end of described main variable-amplitude steel wire rope (12) is walked around described second leading sheave (11) and described first leading sheave (10) successively and is wrapped on described main span winch (13), the other end of described main variable-amplitude steel wire rope (12) is fixed on the top of described turret (2) or the top of described main crane arm (3).
2. arm-folding crane according to claim 1, it is characterized in that, described arm-folding crane also comprises the 3rd leading sheave (14), the 4th leading sheave (15), main hoist rope (16), main hoister winch and main suspension hook (17)
Described 3rd leading sheave (14) is fixed on described turret (2) top, described 4th leading sheave (15) is fixed on downward face, described main crane arm (3) top, described main hoister winch is located in described turret (2), the one ends wound of described main hoist rope (16) is on described main hoister winch, the other end of described main hoist rope (16) walks around described 3rd leading sheave (14) successively, described second leading sheave (11) is connected with described main suspension hook (17) with described 4th leading sheave (15), the hanging of described main suspension hook (17) is in described main crane arm (3) below.
3. arm-folding crane according to claim 1, it is characterized in that, described leading sheave group (9) comprises the 5th to the 7th leading sheave (91,92,93), described 5th leading sheave (91) and described 6th leading sheave (92) are separately positioned on the two ends of described folding arm (4), the junction of the close described main crane arm (3) of described 5th leading sheave (91) and described folding arm (4), described 7th leading sheave (93) is positioned in the middle of described 5th leading sheave (91) and described 6th leading sheave (92).
4. the arm-folding crane according to any one of claim 1-3, is characterized in that, described secondary hoister winch (7) is located on face upwards, described main crane arm (3) middle part.
5. the arm-folding crane according to any one of claim 1-3, is characterized in that, described secondary hoister winch (7) is located on downward face, described main crane arm (3) bottom.
6. the arm-folding crane according to any one of claim 1-3, is characterized in that, described secondary hoister winch (7) is arranged on the middle part of described turret (2).
7. the arm-folding crane according to any one of claim 1-3, is characterized in that, described main crane arm (3) is box-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356690.XU CN204079306U (en) | 2014-06-30 | 2014-06-30 | A kind of arm-folding crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356690.XU CN204079306U (en) | 2014-06-30 | 2014-06-30 | A kind of arm-folding crane |
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| Publication Number | Publication Date |
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| CN204079306U true CN204079306U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420356690.XU Expired - Fee Related CN204079306U (en) | 2014-06-30 | 2014-06-30 | A kind of arm-folding crane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366560A (en) * | 2015-11-02 | 2016-03-02 | 武汉船用机械有限责任公司 | Lifting arm assembly of ship crane and ship crane |
| CN108249323A (en) * | 2018-01-19 | 2018-07-06 | 江苏政田重工股份有限公司 | A kind of folding arm loop wheel machine peculiar to vessel |
| CN112279111A (en) * | 2020-11-15 | 2021-01-29 | 信华智能装备(江苏)有限公司 | Bendable combined arm support for hoisting machinery |
-
2014
- 2014-06-30 CN CN201420356690.XU patent/CN204079306U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366560A (en) * | 2015-11-02 | 2016-03-02 | 武汉船用机械有限责任公司 | Lifting arm assembly of ship crane and ship crane |
| CN105366560B (en) * | 2015-11-02 | 2017-08-08 | 武汉船用机械有限责任公司 | The arm component and ship loop wheel machine of a kind of ship loop wheel machine |
| CN108249323A (en) * | 2018-01-19 | 2018-07-06 | 江苏政田重工股份有限公司 | A kind of folding arm loop wheel machine peculiar to vessel |
| CN112279111A (en) * | 2020-11-15 | 2021-01-29 | 信华智能装备(江苏)有限公司 | Bendable combined arm support for hoisting machinery |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |