CN203946815U - Super-lifting device of crane and crane - Google Patents
Super-lifting device of crane and crane Download PDFInfo
- Publication number
- CN203946815U CN203946815U CN201420363032.3U CN201420363032U CN203946815U CN 203946815 U CN203946815 U CN 203946815U CN 201420363032 U CN201420363032 U CN 201420363032U CN 203946815 U CN203946815 U CN 203946815U
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- China
- Prior art keywords
- hoisting crane
- mast
- lifting device
- length
- tensioner mechanism
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- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model discloses a super device and hoist of hoist, this super device includes: a mast (30), the mast (30) being length-adjustably mounted on a crane jib (10); a front tension mechanism (40), wherein the front tension mechanism (40) is connected between the arm head (11) of the main arm (10) and the mast (30) in a length-adjustable manner; a rear tensioning mechanism (20), the rear tensioning mechanism (20) is connected between the arm tail (12) of the main arm (10) and the mast (30) in a length-adjustable manner, and the front tensioning mechanism (40) and the rear tensioning mechanism (20) are independent relatively. Through the technical scheme, the front tensioning mechanism and the rear tensioning mechanism are independently arranged, and the front tensioning mechanism and the rear tensioning mechanism are arranged to be adjustable in length so as to adapt to the change of the length of the mast, and finally the mast is kept in a good stress state in the process of lengthening.
Description
Technical field
The utility model relates to lifting field, particularly, relates to a kind of super lifting device and the hoisting crane that comprises this super lifting device of hoisting crane.
Background technology
In order to realize big elevating capacity significantly, need design to produce superhuge hoisting crane.In order to give full play to the jib performance of goliath, conventionally on original crane foundation, increase super lifting device, can expand like this range of use of hoisting crane, improve the degree of utilization of hoisting crane.
Be the super lifting device of hoisting crane in prior art as shown in Figure 1, described super lifting device comprises mast 30, front tensioner mechanism 40 (mostly being steel rope) and rear tensioner mechanism 20 (length is conventionally immutable).Wherein, described mast 30 is arranged on the principal arm 10 of hoisting crane, the two ends of described rear tensioner mechanism 20 are connected to the arm tail 12 of the principal arm 10 of described mast 30 and hoisting crane, winch (Fig. 1 does not show) is installed on described mast 30, one end of described front tensioner mechanism 40 is connected in winch, and the other end is connected in the arm head 11 (being the part of the top of principal arm 40) of the principal arm 10 of described hoisting crane.
In above-mentioned super lifting device, when the variable-length of described mast 30, generally front tensioner mechanism 40 and rear tensioner mechanism 20 are connected as one, and all adopt steel rope, by described winch, described front tensioner mechanism 40 and rear tensioner mechanism 20 are unified to control.Yet, this frame mode produces a larger side force (with reference to figure 1 to described mast 30, when current tensioner mechanism 40 pulls mast 30, mast 30 has the trend rotating counterclockwise, the counter pull that now, 20 pairs of masts of tensioner mechanism have a prevention mast to rotate counterclockwise, and because front tensioner mechanism 40 is generally different with the angle of mast 30 from angle and the rear tensioner mechanism 20 of mast 30, therefore above-mentioned two pulling force with joint efforts generally can be along the direction of mast 30, therefore can produce a larger side force to described mast 30), make the stressing conditions variation of described mast 30.
Therefore, need to provide a kind of super lifting device, with can make described mast 30 in when work in good strained condition.
Utility model content
The purpose of this utility model is that a kind of super lifting device of the hoisting crane that can improve mast stressing conditions and the hoisting crane that comprises this super lifting device are provided in the adjustable length situation of mast.
To achieve these goals, the utility model provides a kind of super lifting device of hoisting crane, and this super lifting device comprises: mast, and this mast length is arranged on main arm of crane adjustablely; Front tensioner mechanism, this front tensioner mechanism length is connected between the arm head and described mast of described principal arm adjustablely; Rear tensioner mechanism, this rear tensioner mechanism length is connected between the arm tail and described mast of described principal arm adjustablely, and described front tensioner mechanism and rear tensioner mechanism are relatively independent.
Preferably, described rear tensioner mechanism comprises length adjustabel part and measured length portion, the first end of described measured length portion is connected in described mast, and the second end of described measured length portion is connected with the first end of described length adjustabel part, and the second end of described length adjustabel part is arranged on the arm tail of described principal arm.
Preferably, described hoisting crane comprises turntable, described rear tensioner mechanism comprises length adjustabel part and measured length portion, the first end of described measured length portion is connected in described mast, the second end of described measured length portion is connected with the first end of described length adjustabel part, and the second end of described length adjustabel part is arranged on described turntable.
Preferably, described length adjustabel part comprises fixed pulley, movable pulley and steel rope, and described fixed pulley is arranged on the arm tail of described principal arm, and described movable pulley is connected with the second end of described measured length portion; Described hoisting crane comprises turntable, the super lifting device of described hoisting crane also comprises for regulating the control apparatus of described rear tensioner mechanism, described control apparatus comprises the elevator being arranged on described turntable, described steel rope stretches out from described elevator, and passes respectively described movable pulley, fixed pulley and fix with described fixed pulley.
Preferably, described length adjustabel part comprises fixed pulley, movable pulley and steel rope, and described fixed pulley is arranged on described turntable, and described movable pulley is connected with the second end of described measured length portion; The super lifting device of described hoisting crane also comprises for regulating the control apparatus of described rear tensioner mechanism, described control apparatus comprises the elevator being arranged on described turntable, described steel rope stretches out from described elevator, and passes respectively described movable pulley, fixed pulley and fix with described fixed pulley.
Preferably, the super lifting device of described hoisting crane comprises steel rope, fixed pulley and slide block, described fixed pulley is arranged on the arm tail of described principal arm, described steel rope one end and described mast are fixed, the other end walks around described fixed pulley and described slide block is fixed, described hoisting crane also comprises turntable, and described slide block is movably arranged on described turntable, and the steel rope between described fixed pulley and described mast forms described rear tensioner mechanism.
Preferably, described elevator is the secondary elevator being arranged on the turntable of hoisting crane.
Preferably, described measured length portion is arm-tie or rope row.
Preferably, on described mast, winch is installed, one end of described front tensioner mechanism is connected in winch, and the other end is connected in the arm head of the principal arm of described hoisting crane.
The utility model also provides a kind of hoisting crane, and described hoisting crane comprises turntable and the principal arm being connected with described turntable, and described hoisting crane also comprises the super lifting device that is arranged on the described hoisting crane on described principal arm.
Pass through technique scheme, described front tensioner mechanism and rear tensioner mechanism are independently arranged, and it is adjustable and adapt to the variation of mast length that described front tensioner mechanism and rear tensioner mechanism are arranged to length, finally makes described mast in the process of elongated degree, keep good strained condition.
Other feature and advantage of the present utility model partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, but does not form restriction of the present utility model with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the super lifting device (having drawn the principal arm of hoisting crane) of hoisting crane in prior art.
Fig. 2 is a kind of front view of embodiment of the super lifting device of the hoisting crane that provides of the utility model.
Fig. 3 is the partial view of embodiment of the super lifting device of the hoisting crane that provides of the utility model shown in Fig. 2.
Fig. 4 is the front view of another kind of embodiment of the super lifting device of the hoisting crane that provides of the utility model.
Description of reference numerals
10: principal arm; 11: arm head; 12: arm tail;
20: rear tensioner mechanism; 21: length adjustabel part; 211: elevator;
212: fixed pulley; 213: movable pulley; 214: steel rope;
22: measured length portion; 30: mast; 40: front tensioner mechanism;
50: turntable; 60: slide block.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings as " upper and lower, left and right "; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
According to an aspect of the present utility model, as shown in Figures 2 to 4, the utility model provides a kind of super lifting device of hoisting crane, this super lifting device comprises: mast 30, front tensioner mechanism 40 and rear tensioner mechanism 20, wherein, described mast 30 length are arranged on main arm of crane 10 adjustablely, described front tensioner mechanism 40 length are connected between the arm head 11 and described mast 30 of described principal arm 10 adjustablely, described rear tensioner mechanism 20 length are connected between the arm tail 12 and described mast 30 of described principal arm 10 adjustablely, described front tensioner mechanism 40 is relatively independent with rear tensioner mechanism 20.Here it should be noted that, why relatively independent described front tensioner mechanism 40 is with rear tensioner mechanism 20, is in order to make described mast 30 substantially only be subject to the axial force along himself length direction, and then makes described mast 30 have good strained condition.During use, described mast 30 is according to the different adjustment of operating mode self length, its self length separately of simultaneously described front tensioner mechanism 40 and real-time, the continuous adjusting of rear tensioner mechanism 20, thus adapt to the requirement of described mast 30 length variations.
Wherein, on described mast 30, winch is installed, one end of described front tensioner mechanism 40 is connected in winch, and the other end is connected in the arm head 11 of the principal arm 10 of described hoisting crane, thereby realizes the adjustable of described front tensioner mechanism 40 length.
Fig. 2 to Fig. 3 is the schematic diagram of a kind of embodiment of the crane super lifting device that provides of the utility model, wherein, described hoisting crane comprises turntable 50, described rear tensioner mechanism 20 comprises length adjustabel part 21 and measured length portion 22, the first end of described measured length portion 22 is connected in described mast 30, the second end of described measured length portion 22 is connected with the first end of described length adjustabel part 21, the second end of described length adjustabel part 21 is arranged on the arm tail 12 of described principal arm 10, certainly, the second end of described length adjustabel part 21 also can be arranged on described turntable 50.
Wherein, the implementation of described length adjustabel part 21 has a lot, for example, can realize by the form of movable pulley, hook and steel rope.Preferably, described length adjustabel part 21 comprises fixed pulley 212, movable pulley 213 and steel rope 214, described fixed pulley 212 is arranged on the arm tail 12 of described principal arm 10 (certainly, described fixed pulley 212 also can be arranged on described turntable 50), described movable pulley 213 is connected with the second end of described measured length portion 22.The super lifting device of described hoisting crane also comprises for regulating the control apparatus of described rear tensioner mechanism 20, described control apparatus comprises the elevator 211 being arranged on described turntable 50, described steel rope 214 stretches out from described elevator 211, and respectively through described movable pulley 213, fixed pulley 212 fixing with described fixed pulley 212.In fact, present embodiment changes the distance between fixed pulley 212 and movable pulley 213 by the cooperation of described fixed pulley 212, movable pulley 213 and steel rope 214, and then realizes the adjustable of described rear tensioner mechanism 20 length.And, because the adjustable of described rear tensioner mechanism 20 length is to realize by the steel rope 214 between fixed pulley 212 and movable pulley 213, therefore described rear tensioner mechanism 20 has larger length adjustment scope, can better adapt to the requirement of described mast 30 length variations.Wherein, due to generally, hoisting crane under super lifting working condition, hang carry larger, the weight that now hoists is mainly used master winch, therefore for convenient, described elevator 211 can be arranged on the secondary elevator on the turntable 50 of hoisting crane, and certainly, described elevator 211 also can be independent of the secondary elevator on the turntable 50 of hoisting crane.
Fig. 4 is the schematic diagram of the another kind of embodiment of the crane super lifting device that provides of the utility model, wherein, the super lifting device of described hoisting crane comprises steel rope 214, fixed pulley 212 and slide block 60, described fixed pulley 212 is arranged on the arm tail 12 of described principal arm 10 (as mentioned above, described fixed pulley 212 also can be arranged on described turntable 50), described steel rope 214 one end and described mast 30 are fixing, it is fixing with described slide block 60 that the other end is walked around described fixed pulley 212, described slide block 60 is movably arranged on described turntable 50, steel rope between described fixed pulley 212 and described mast 30 forms described rear tensioner mechanism 20.During use, when the length of described mast 30 changes, described slide block 60 pulls described steel rope 214 and on described turntable 50, moves and then change the length of the steel rope between described fixed pulley 212 and described mast 30, realizes the adjustable of described rear tensioner mechanism 20 length.
Wherein, described measured length portion 22 is arm-tie or rope row, and this is because arm-tie or rope row have good tensible rigidity.
According to another aspect of the present utility model, the utility model also provides a kind of hoisting crane, and this hoisting crane comprises turntable 50 and the principal arm 10 being connected with described turntable 50, and described hoisting crane also comprises the super lifting device that is arranged on the described hoisting crane on described principal arm 10.
The hoisting crane super lifting device that the utility model provides, by described front tensioner mechanism 40 and independent setting of rear tensioner mechanism 20, and described front tensioner mechanism 40 is set to variation adjustable and then that adapt to mast 30 length (because if rear tensioner mechanism 40 can not regulate its length with the length of rear tensioner mechanism 40, the situation that may occur rear tensioner mechanism 40 overrelaxations or overtighten, what be unfavorable for having surpassed is stressed), finally make described mast 30 in the process of elongated degree, keep good strained condition.In the utility model, described rear tensioner mechanism 40 adopts steel rope 214 to regulate length, makes described rear tensioner mechanism 40 have larger length variations scope, thereby better makes the length of described rear tensioner mechanism 40 and mast 30 control processs adapt.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.
In addition, between various embodiment of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a super lifting device for hoisting crane, is characterized in that, this super lifting device comprises:
Mast (30), this mast (30) length is arranged on main arm of crane (10) adjustablely;
Front tensioner mechanism (40), this front tensioner mechanism (40) length is connected between the arm head (11) and described mast (30) of described principal arm (10) adjustablely;
Rear tensioner mechanism (20), this rear tensioner mechanism (20) length is connected between the arm tail (12) and described mast (30) of described principal arm (10) adjustablely, and described front tensioner mechanism (40) is relatively independent with rear tensioner mechanism (20).
2. the super lifting device of hoisting crane according to claim 1, it is characterized in that, described rear tensioner mechanism (20) comprises length adjustabel part (21) and measured length portion (22), the first end of described measured length portion (22) is connected in described mast (30), the second end of described measured length portion (22) is connected with the first end of described length adjustabel part (21), and the second end of described length adjustabel part (21) is arranged on the arm tail (12) of described principal arm (10).
3. the super lifting device of hoisting crane according to claim 1, it is characterized in that, described hoisting crane comprises turntable (50), described rear tensioner mechanism (20) comprises length adjustabel part (21) and measured length portion (22), the first end of described measured length portion (22) is connected in described mast (30), the second end of described measured length portion (22) is connected with the first end of described length adjustabel part (21), and the second end of described length adjustabel part (21) is arranged on described turntable (50).
4. the super lifting device of hoisting crane according to claim 2, it is characterized in that, described length adjustabel part (21) comprises fixed pulley (212), movable pulley (213) and steel rope (214), described fixed pulley (212) is arranged on the arm tail (12) of described principal arm (10), and described movable pulley (213) is connected with the second end of described measured length portion (22);
Described hoisting crane comprises turntable (50), the super lifting device of described hoisting crane also comprises for regulating the control apparatus of described rear tensioner mechanism (20), described control apparatus comprises the elevator (211) being arranged on described turntable (50), described steel rope (214) stretches out from described elevator (211), and respectively through described movable pulley (213), fixed pulley (212) fixing with described fixed pulley (212).
5. the super lifting device of hoisting crane according to claim 3, it is characterized in that, described length adjustabel part (21) comprises fixed pulley (212), movable pulley (213) and steel rope (214), it is upper that described fixed pulley (212) is arranged on described turntable (50), and described movable pulley (213) is connected with the second end of described measured length portion (22);
The super lifting device of described hoisting crane also comprises for regulating the control apparatus of described rear tensioner mechanism (20), described control apparatus comprises the elevator (211) being arranged on described turntable (50), described steel rope (214) stretches out from described elevator (211), and respectively through described movable pulley (213), fixed pulley (212) fixing with described fixed pulley (212).
6. the super lifting device of hoisting crane according to claim 1, it is characterized in that, the super lifting device of described hoisting crane comprises steel rope (214), fixed pulley (212) and slide block (60), described fixed pulley (212) is arranged on the arm tail (12) of described principal arm (10), described steel rope (214) one end and described mast (30) are fixing, it is fixing with described slide block (60) that the other end is walked around described fixed pulley (212), described hoisting crane also comprises turntable (50), described slide block (60) is movably arranged on described turntable (50), steel rope between described fixed pulley (212) and described mast (30) forms described rear tensioner mechanism (20).
7. according to the super lifting device of the hoisting crane described in claim 4 or 5, it is characterized in that, described elevator (211) is for being arranged on the secondary elevator on described turntable (50).
8. according to the super lifting device of the hoisting crane described in claim 2 or 3, it is characterized in that, described measured length portion (22) is arm-tie or rope row.
9. the super lifting device of hoisting crane according to claim 1, it is characterized in that, described mast is provided with winch on (30), and one end of described front tensioner mechanism (40) is connected in winch, and the other end is connected in the arm head (11) of the principal arm (10) of described hoisting crane.
10. a hoisting crane, described hoisting crane comprises turntable (50) and the principal arm (10) being connected with described turntable (50), it is characterized in that, described hoisting crane also comprises the super lifting device of the hoisting crane described in any one in the claim 1-9 being arranged on described principal arm (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420363032.3U CN203946815U (en) | 2014-07-02 | 2014-07-02 | Super-lifting device of crane and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420363032.3U CN203946815U (en) | 2014-07-02 | 2014-07-02 | Super-lifting device of crane and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203946815U true CN203946815U (en) | 2014-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420363032.3U Expired - Fee Related CN203946815U (en) | 2014-07-02 | 2014-07-02 | Super-lifting device of crane and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203946815U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439007A (en) * | 2015-12-28 | 2016-03-30 | 中联重科股份有限公司 | Super-lifting device of crane, adjusting method of super-lifting device and crane |
| CN105923563A (en) * | 2016-06-04 | 2016-09-07 | 王杨 | Hoisting device for electric power overhaul device |
| CN107640710A (en) * | 2016-07-21 | 2018-01-30 | 利勃海尔爱茵根有限公司 | Telescoping boom with space bracing wire department of assembly |
| CN109879185A (en) * | 2019-03-11 | 2019-06-14 | 长沙中联恒通机械有限公司 | A kind of hoisting apparatus, fire plant and its mechanical equipment |
| CN111217255A (en) * | 2020-03-02 | 2020-06-02 | 三一汽车起重机械有限公司 | Crane upright post assembly and crane |
| WO2024198350A1 (en) * | 2023-03-30 | 2024-10-03 | 三一汽车起重机械有限公司 | Superlift device and work machine |
-
2014
- 2014-07-02 CN CN201420363032.3U patent/CN203946815U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439007A (en) * | 2015-12-28 | 2016-03-30 | 中联重科股份有限公司 | Super-lifting device of crane, adjusting method of super-lifting device and crane |
| CN105923563A (en) * | 2016-06-04 | 2016-09-07 | 王杨 | Hoisting device for electric power overhaul device |
| CN107640710A (en) * | 2016-07-21 | 2018-01-30 | 利勃海尔爱茵根有限公司 | Telescoping boom with space bracing wire department of assembly |
| CN107640710B (en) * | 2016-07-21 | 2020-06-30 | 利勃海尔爱茵根有限公司 | Telescopic boom with space stay wire assembly part |
| CN109879185A (en) * | 2019-03-11 | 2019-06-14 | 长沙中联恒通机械有限公司 | A kind of hoisting apparatus, fire plant and its mechanical equipment |
| CN111217255A (en) * | 2020-03-02 | 2020-06-02 | 三一汽车起重机械有限公司 | Crane upright post assembly and crane |
| WO2024198350A1 (en) * | 2023-03-30 | 2024-10-03 | 三一汽车起重机械有限公司 | Superlift device and work machine |
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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: 20141119 Termination date: 20160702 |