CN203428811U - Crane arm head system and crane - Google Patents
Crane arm head system and crane Download PDFInfo
- Publication number
- CN203428811U CN203428811U CN201320437669.8U CN201320437669U CN203428811U CN 203428811 U CN203428811 U CN 203428811U CN 201320437669 U CN201320437669 U CN 201320437669U CN 203428811 U CN203428811 U CN 203428811U
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- arm head
- crane
- arm
- head system
- suspender
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Abstract
The utility model discloses a crane arm head system. The crane arm head system comprises an arm head, a lifting appliance connecting structure and an expansion device, wherein one end of the expansion device is connected with the arm head, and the other end of the expansion device is connected with the lifting appliance connecting structure. The crane arm head system can be suitable for both traditional workplaces and places requiring negative-angle operation, so as to meet operation working conditions of places such as a railway transfer station and a barge berth. On the basis of not additionally arranging auxiliary devices such as a special lifting appliance, the crane arm head system expands operation working conditions and application range of a finished crane. The utility model also discloses a crane with the crane arm head system.
Description
Technical field
The utility model relates to weight-lifting equipment technical field, more particularly, relates to a kind of crane arm arm head system and hoisting crane.
Background technology
Front-handling mobile crane is to have the telescopic boom posture container handling crane on tire chassis voluntarily, by connect suspender on its arm head, realizes the object of lifting goods.This suspender is generally for lifting the suspender of freight container, also can change different suspenders according to the difference of goods, reaches the object of the different goods of lifting.
Front-handling mobile crane is as the special-purpose machinery of container handling, pile and horizontal transport, compare with fork truck, there is the advantages such as maneuverability, good stability, stockyard degree of utilization height, be widely used in weight lifting and the transhipment in the places such as harbour, harbour, warehouse.Also can derive on its basis that combination is hung, steel tube suspending, round log hangs the product such as hangs with tiltable bulk cargo, Applicable scope is wider.
As shown in Figure 1, the head of the crane arm 101 minor details arms of front-handling mobile crane is for connecting the arm head 102 of suspender 104, and arm head 102 is hinged by the suspender interface 103 of suspender connection structure and suspender 104 conventionally.Arm head 102 is the box-structure of welded type, unadjustable with the connecting portion of suspender 104.
Current front-handling mobile crane all adopts traditional fixed type jib tip structure, because the minimum angle of crane arm luffing is generally 0 ° of left and right, so must could sling freight container lower than plane on freight container 105 in suspender bottom, as shown in Figure 2, this type of arm head is applicable in comparatively routine works of smooth location such as harbour, stockyards, cannot realize across operating modes such as casing working, negative angle operations.
In operation places such as railway transhipment station (as shown in Figure 4), lighter bertves (as shown in Figure 3), the job position of front-handling mobile crane all will exceed the handling place (as railway carriage 107, barge 106) of goods.In this case, because the position of freight container 105 is lower, traditional front-handling mobile crane freight container of just cannot slinging.The arm head lengthening if directly adopt (be about to position that arm head will be connected with professional suspender to downward-extension) adapts to this kind of operating mode, and front-handling mobile crane is when the operation of traditional operation place so, and inconvenience will become.
Therefore, how can either meet traditional operation place, also applicable to the place that needs negative angle operation, become those skilled in the art's technical matters urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of crane arm arm head system, can either meet traditional operation place, also applicable to the place that needs negative angle operation;
Another object of the present utility model is to provide a kind of hoisting crane with above-mentioned crane arm arm head system.
For achieving the above object, the utility model provides following technical scheme:
An arm head system, comprises arm head and suspender connection structure, also comprises retractor device, and one end of described retractor device is connected with described arm head, and the other end is connected with described suspender connection structure.
Preferably, in above-mentioned crane arm arm head system, described retractor device is piston cylinder, and the cylinder body of described piston cylinder and described arm head are connected with in described suspender connection structure one, and the piston rod of described piston cylinder and described arm head are connected with another in described suspender connection structure.
Preferably, in above-mentioned crane arm arm head system, described piston cylinder is two.
Preferably, in above-mentioned crane arm arm head system, the piston rod of described piston cylinder is hinged by piston rod jointed shaft and described suspender connection structure, and the cylinder body of described piston cylinder is hinged by cylinder body jointed shaft and described arm head.
Preferably, in above-mentioned crane arm arm head system, the distance between two described piston rod jointed shafts is greater than two distances between described cylinder body jointed shaft.
Preferably, in above-mentioned crane arm arm head system, the line between two described piston rod jointed shafts is parallel with the line between two described cylinder body jointed shafts.
Preferably, in above-mentioned crane arm arm head system, the distance between two described piston rod jointed shafts equates with the distance between two described cylinder body jointed shafts.
Preferably, in above-mentioned crane arm arm head system, the line between two described piston rod jointed shafts is parallel with the line between two described cylinder body jointed shafts.
Preferably, in above-mentioned crane arm arm head system, described retractor device is steel rope jacking system, and described steel rope jacking system comprises:
Be arranged at rotationally the cable drum in described arm head and suspender connection structure;
One end is wound in the steel rope on described cable drum, and the other end of described steel rope is fixed on another in described arm head and suspender connection structure.
From above-mentioned technical scheme, can find out, the crane arm arm head system that the utility model provides, on the basis of original crane arm arm head system, increased retractor device, and one end of retractor device is connected with arm head, the other end is connected with suspender connection structure, when retractor device elongates or shortens action, can change the distance between arm head and suspender accordingly.
When crane arm change angle is 0 °, suspender bottom is still in the situation higher than freight container upper surface, can extend action by driving retractor device to do, to increase the distance of arm head and suspender, make suspender direction motion earthward, when can capturing freight container, suspender stops the elongation action of retractor device, according to the normal lifting operation of routine.When traditional work place, can be under reach by driving retractor device to do, to reduce the distance of arm head and suspender, therefore can more adapt in traditional operation place operation.The utility model can either meet traditional operation place, also applicable to the place that needs negative angle operation, has met the place working conditions such as railway transhipment station, lighter berth.
The invention also discloses a kind of hoisting crane, comprise crane arm arm head system, described crane arm arm head system is the as above crane arm arm head system described in any one.
The crane arm arm head system providing due to the utility model has above-mentioned technique effect, and the hoisting crane therefore with this crane arm arm head system has above-mentioned technique effect equally, repeats no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of crane arm arm head system in prior art;
Fig. 2 is the structural representation of crane for hoisting position in prior art;
Fig. 3 be in prior art hoisting crane at the structural representation of lighter berth operation;
Fig. 4 be in prior art hoisting crane at the structural representation of railway transhipment station operation;
The local structure schematic diagram of the crane arm arm head system that Fig. 5 provides for the utility model embodiment;
The structural representation of the crane arm arm head system that Fig. 6 provides for the utility model embodiment;
The structural representation of the crane arm arm head system that Fig. 7 provides for another embodiment of the utility model;
Fig. 8 is the structural representation of the utility model crane arm arm head system that an embodiment provides again;
The hoisting crane that Fig. 9 provides for the utility model embodiment is at the structural representation of lighter berth operation;
The hoisting crane that Figure 10 provides for the utility model embodiment is at the structural representation of railway transhipment station operation.
Wherein:
101 is crane arm, and 102 is arm head, and 103 is suspender interface, and 104 is suspender, and 105 is freight container, and 106 is barge, and 107 is railway carriage;
100 is arm head, and 200 is retractor device, and 300 is suspender connection structure, and 400 is suspender, 201 is the vertical oil cylinder group that tilts, and 202 is parallel oil cylinder group, and 203 is steel rope jacking system, 2031 is the first cable drum, and 2032 is steel rope, and 2033 is the second cable drum.
The specific embodiment
Core of the present utility model is to provide a kind of crane arm arm head system, can either meet traditional operation place, also applicable to the place that needs negative angle operation;
Another core of the present utility model is to provide a kind of hoisting crane with above-mentioned crane arm arm head system.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 5 and Fig. 6, the local structure schematic diagram of the crane arm arm head system that Fig. 5 provides for the utility model embodiment; The structural representation of the crane arm arm head system that Fig. 6 provides for the utility model embodiment.
The crane arm arm head system that the utility model embodiment provides, comprise arm head 100 and suspender connection structure 300, suspender 400 is according to the difference of lifted weight, its version is also different, but various suspenders 400 are basic identical with the connection mode of arm head 100, be all to realize being connected of suspender 400 and arm head 100 by suspender connection structure 300.
Except said structure feature, the crane arm arm head system that the utility model embodiment provides also comprises retractor device 200, it will be understood by those skilled in the art that, retractor device 200 refers under different states, distance between its two ends can increase and reduce, thereby reaches the object of extending and shortening.
One end of retractor device 200 is connected with arm head 100, and the other end is connected with suspender bindiny mechanism 300.The expanding-contracting action of retractor device 200 can be controlled automatically by controller, also can manually control by chaufeur, when retractor device 200 extends, arm head 100 can increase with the distance of suspender 400, thereby meet negative angle operation, when retractor device 200 shortens, arm head 100 can reduce with the distance of suspender 400, thereby meets the operation of traditional place.
The crane arm arm head system that the utility model provides, on the basis of original crane arm arm head system, increased retractor device 200, and one end of retractor device 200 is connected with arm head 100, the other end is connected with suspender bindiny mechanism 300, when retractor device 200 elongates or shortens action, can change accordingly the distance between arm head 100 and suspender 400.
When crane arm change angle is 0 °, suspender 400 bottoms are still in the situation higher than freight container upper surface, can extend action by driving retractor device to do, to increase the distance of arm head 100 and suspender 400, make suspender 400 direction motion earthward, when can capturing freight container, suspender 400 stops the elongation action of retractor device 200, according to the normal lifting operation of routine.When traditional work place, can be under reach by driving retractor device 200 to do, to reduce the distance of arm head 100 and suspender 400, therefore can more adapt in traditional operation place operation.The utility model can either meet traditional operation place, also applicable to the place that needs negative angle operation, has met the place working conditions such as railway transhipment station, lighter berth.
Retractor device 200 is piston cylinder, for example, can be oil cylinder or cylinder, and the cylinder body of piston cylinder and arm head 100 are connected with in suspender connection structure 300 one, and the piston rod of piston cylinder and arm head 100 are connected with another in suspender connection structure 300.Because the required bearing capacity of this retractor device 200 is larger, and oil cylinder has larger load-carrying capacity, and therefore the preferential oil cylinder of selecting is as retractor device 200.
It will be appreciated by persons skilled in the art that and also can select cylinder as retractor device 200, reach flexible object.The utility model is not limited to this kind of version of oil cylinder, and just oil cylinder has higher load-carrying capacity, preferentially selects oil cylinder as retractor device 200.
In the utility model one specific embodiment, piston cylinder is two, it should be noted that, piston cylinder also can be one, or more than two.Piston cylinder quantity is (for example one) very little, in the situation that required bearing capacity is certain, can make the cylinder diameter of piston cylinder too large, is unfavorable for arranging.Piston cylinder quantity too many (for example, more than three), in the situation that required bearing capacity is certain, although can make the cylinder diameter of piston cylinder diminish, but because quantity is too much, be unfavorable for the control to piston cylinder, make each piston cylinder occur that operation is asynchronous, cause accurately control azimuth of suspender 400.Based on this, piston cylinder is designed to two, be a kind of preferred mode, the cylinder diameter of piston cylinder is both not too large, can be because piston cylinder is too many, and cause controlling difficult problem yet, piston cylinder also can cause too much and be difficult to the defect of arranging simultaneously.
Due to the piston rod at piston cylinder stretch out or retraction process in, the piston rod speed of stretching out of common two piston cylinders is difficult to accomplish synchronously, when asynchronous for fear of the speed of stretching out at piston rod, the phenomenon that piston cylinder and suspender connection structure 300 and arm head 100 are stuck.In the utility model one specific embodiment, the piston rod of piston cylinder is hinged by piston rod jointed shaft and suspender connection structure 300, and the cylinder body of piston cylinder is hinged by cylinder body jointed shaft and arm head 100.
As shown in Figure 6, for the ease of understanding, hinged by piston rod jointed shaft and suspender connection structure 300 with piston rod, cylinder body is by cylinder body jointed shaft and arm head 100 is hinged carries out description below for example.It will be appreciated by persons skilled in the art that piston rod also can be hinged by piston rod jointed shaft and arm head 100, cylinder body also can be hinged by cylinder body jointed shaft and suspender connection structure 300.
In the utility model one specific embodiment, retractor device 200 is greater than two distances between cylinder body jointed shaft for the distance having between 201, two piston rod jointed shafts of the vertical oil cylinder group of inclination of two piston cylinders.It is the distance between two hinge-points on arm head 100, be greater than the distance between two hinge-points in suspender connection structure 300, make one of them piston cylinder be vertical state, for the ease of distinguishing, be called vertical oil cylinder, another piston cylinder is inclined, for the ease of distinguishing, is called dump ram.The utility model is designed to respectively vertical oil cylinder and dump ram by two oil cylinders, has its specific purposes.Vertically oil cylinder only has the trend that drives suspender 400 to move down, and only can drive suspender 400 to be along the longitudinal movement, and cannot realize transverse shifting.Dump ram can not only drive suspender 400 to realize and vertically move, and also can drive suspender 400 to realize transverse shifting.
Refer to Fig. 9 and Figure 10, the hoisting crane that Fig. 9 provides for the utility model embodiment is at the structural representation of lighter berth operation; The hoisting crane that Figure 10 provides for the utility model embodiment is at the structural representation of railway transhipment station operation.
The utility model can be according to the demand of different operating modes, by controlling the combination of vertical oil cylinder and dump ram, regulate front and back, the upper-lower position of conversion suspender connection structure 300, both met traditional operation place, also applicable to the place that needs negative angle operation, as railway transhipment station, lighter berth etc., expanded working condition and the Applicable scope of front-handling mobile crane.
Further, in the above-described embodiments, the line between two piston rod jointed shafts of the vertical oil cylinder group 201 that tilts is parallel with the line between two cylinder body jointed shafts.
Refer to Fig. 7, the structural representation of the crane arm arm head system that Fig. 7 provides for another embodiment of the utility model.
In another specific embodiment of the utility model, retractor device 200 equates with the distance between two cylinder body jointed shafts for the distance having between 202, two piston rod jointed shafts of parallel oil cylinder group of two parallel piston cylinders.Because the distance of the hinge-point at two piston cylinder two ends equates, so two piston cylinders are parastate, and under the Action of Gravity Field of suspender 400, make two piston cylinders all be vertical state, therefore the movement that this piston cylinder only can drive suspender 400 vertically to go up, does not have horizontal impetus.Although parallel oil cylinder group 202 does not have horizontal impetus, but can increase and reduce equally the distance of arm head and suspender, make this crane arm arm head system can either meet traditional operation place, also applicable to the place that needs negative angle operation, the place working conditions such as railway transhipment station, lighter berth have been met.
Further, in the above-described embodiments, the line between two piston rod jointed shafts of parallel oil cylinder group 202 is parallel with the line between two cylinder body jointed shafts.
Refer to Fig. 8, Fig. 8 is the structural representation of the utility model crane arm arm head system that an embodiment provides again.
In the utility model one specific embodiment, retractor device 200 is steel rope jacking system 203.Wherein, steel rope jacking system 203 comprises the first cable drum 2031 and steel rope 2032.
The first cable drum 2031 is arranged on arm head 100 rotationally, can, by roller bearings on arm head 100, make the first cable drum 2031 free to rotate under the effect of external force particularly.
Steel rope 2032 one end are wound on the first cable drum 2031, and the other end is fixed in suspender connection structure 300.The first cable drum 2031 is driven and is rotated by actuating device.Actuating device can drive the first cable drum 2031 to rotate by speed reduction gearing.The utility model reaches the object that increases or reduce the distance of arm head and suspender by cable drum folding and unfolding steel rope, make this crane arm arm head system can either meet traditional operation place, also applicable to the place that needs negative angle operation, the place working conditions such as railway transhipment station, lighter berth have been met.
It will be appreciated by persons skilled in the art that actuating device can be drive motor, and realize and slow down and increase the object of turning round by speed reduction gearing, finally drive corresponding cable drum to rotate, reach the object that increases or reduce the distance of arm head and suspender.
It should be noted that, steel rope jacking system 203 also can only comprise the second cable drum 2033 and steel rope 2032.Be about to the second cable drum 2033 and be arranged at rotationally in suspender connection structure 300, can, by roller bearings in suspender connection structure 300, make the second cable drum 2033 free to rotate under the effect of external force particularly.
Steel rope 2032 one end are wound on the second cable drum 2033, and the other end is fixed in suspender connection structure 300.The second cable drum 2033 is driven and is rotated by actuating device.Actuating device can drive the second cable drum 2033 to rotate by speed reduction gearing.The utility model reaches the object that increases and reduce the distance of arm head and suspender by cable drum folding and unfolding steel rope, make this crane arm arm head system can either meet traditional operation place, also applicable to the place that needs negative angle operation, the place working conditions such as railway transhipment station, lighter berth have been met.
It will be appreciated by persons skilled in the art that actuating device can be drive motor, and realize and slow down and increase the object of turning round by speed reduction gearing, finally drive corresponding cable drum to rotate, reach the object that increases or reduce the distance of arm head and suspender.
It will be understood by those skilled in the art that, also the first cable drum 2031 can be set on arm head 100, the second cable drum 2033 is set simultaneously in suspender connection structure 300, by the first cable drum 2031 and the second cable drum 2033, receive simultaneously and put steel rope 2032 simultaneously, reaching the object that increases or reduce arm head and suspender distance.
Steel rope jacking system 203 can be two that be arranged in parallel in crane arm arm head system, effectively to reduce the stressed of every steel rope, improves lifting power-handling capability.
The utility model embodiment also discloses a kind of hoisting crane with above-mentioned crane arm arm head system, therefore has all technique effects of above-mentioned crane arm arm head system, does not repeat them here herein.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a crane arm arm head system, comprise arm head (100) and suspender connection structure (300), it is characterized in that, also comprise retractor device (200), one end of described retractor device (200) is connected with described arm head (100), and the other end is connected with described suspender connection structure (300).
2. crane arm arm head system as claimed in claim 1, it is characterized in that, described retractor device (200) is piston cylinder, the cylinder body of described piston cylinder and described arm head (100) are connected with in described suspender connection structure (300) one, and the piston rod of described piston cylinder and described arm head (100) are connected with another in described suspender connection structure (300).
3. crane arm arm head system as claimed in claim 2, is characterized in that, described piston cylinder is two.
4. crane arm arm head system as claimed in claim 3, it is characterized in that, the piston rod of described piston cylinder is hinged by piston rod jointed shaft and described suspender connection structure (300), and the cylinder body of described piston cylinder is hinged by cylinder body jointed shaft and described arm head (100).
5. crane arm arm head system as claimed in claim 4, is characterized in that, the distance between two described piston rod jointed shafts is greater than two distances between described cylinder body jointed shaft.
6. crane arm arm head system as claimed in claim 5, is characterized in that, the line between two described piston rod jointed shafts is parallel with the line between two described cylinder body jointed shafts.
7. crane arm arm head system as claimed in claim 4, is characterized in that, the distance between two described piston rod jointed shafts equates with the distance between two described cylinder body jointed shafts.
8. crane arm arm head system as claimed in claim 7, is characterized in that, the line between two described piston rod jointed shafts is parallel with the line between two described cylinder body jointed shafts.
9. crane arm arm head system as claimed in claim 1, is characterized in that, described retractor device (200) is steel rope jacking system (203), and described steel rope jacking system (203) comprising:
Be arranged at rotationally the cable drum in described arm head (100) and suspender connection structure (300);
One end is wound in the steel rope (2032) on described cable drum, and the other end of described steel rope (2032) is fixed on another in described arm head (100) and suspender connection structure (300).
10. a hoisting crane, comprises crane arm arm head system, it is characterized in that, described crane arm arm head system is the crane arm arm head system as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437669.8U CN203428811U (en) | 2013-07-22 | 2013-07-22 | Crane arm head system and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437669.8U CN203428811U (en) | 2013-07-22 | 2013-07-22 | Crane arm head system and crane |
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| Publication Number | Publication Date |
|---|---|
| CN203428811U true CN203428811U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320437669.8U Withdrawn - After Issue CN203428811U (en) | 2013-07-22 | 2013-07-22 | Crane arm head system and crane |
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| Country | Link |
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| CN (1) | CN203428811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350961A (en) * | 2013-07-22 | 2013-10-16 | 徐州重型机械有限公司 | Crane boom head system and crane |
-
2013
- 2013-07-22 CN CN201320437669.8U patent/CN203428811U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350961A (en) * | 2013-07-22 | 2013-10-16 | 徐州重型机械有限公司 | Crane boom head system and crane |
| CN103350961B (en) * | 2013-07-22 | 2015-08-19 | 徐州重型机械有限公司 | A kind of crane boom head system and hoisting crane |
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Granted publication date: 20140212 Effective date of abandoning: 20150819 |
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| AV01 | Patent right actively abandoned |
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| RGAV | Abandon patent right to avoid regrant |