CN204111218U - Actuating device, crane arm and hoisting crane - Google Patents

Actuating device, crane arm and hoisting crane Download PDF

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Publication number
CN204111218U
CN204111218U CN201420466060.8U CN201420466060U CN204111218U CN 204111218 U CN204111218 U CN 204111218U CN 201420466060 U CN201420466060 U CN 201420466060U CN 204111218 U CN204111218 U CN 204111218U
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CN
China
Prior art keywords
auxiliary
poppet
attaching parts
crane
actuating device
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Expired - Fee Related
Application number
CN201420466060.8U
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Chinese (zh)
Inventor
李小燕
李凯
刘凯
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Xuzhou Heavy Machinery Co Ltd
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Xuzhou Heavy Machinery Co Ltd
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Priority to CN201420466060.8U priority Critical patent/CN204111218U/en
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Abstract

The utility model discloses a kind of actuating device, crane arm and hoisting crane, relate to engineering machinery field, in order to simplify the recovery of auxiliary and to launch operation.This actuating device comprises: piston cylinder, attaching parts and locking piece.After poppet on the cylinder body of piston cylinder and piston rod one of them and main arm of crane is fixed, wherein another is connected with the middle part of attaching parts for cylinder body and the piston rod of piston cylinder, one end of attaching parts and main arm of crane or after poppet hinged, the other end of attaching parts is provided with locking piece.Auxiliary moves on after poppet by attaching parts and locking piece by piston cylinder, also the auxiliary be positioned on after poppet can be pushed away after poppet, and whole operation is driven by piston cylinder, time saving and energy saving.

Description

Actuating device, crane arm and hoisting crane
Technical field
The utility model relates to engineering machinery field, is specifically related to a kind of actuating device, crane arm and hoisting crane.
Background technology
See Fig. 1 ~ Fig. 4, hoisting crane comprises principal arm 33 and auxiliary 34, and principal arm 33 is generally formed by two pieces of steel plate docking bending to grooved shape, and it by the contractility of the inner oil cylinder of principal arm 33, can stretch integral as fishing rod.Auxiliary 34 be on the basis of principal arm 33 for increasing the framing member that sling height and span operating mode use under newly-designed, special operation condition, mostly be single-unit or two-section folding type structure, have truss-like and box two kinds of forms.
Auxiliary 34 supplementing and extending as principal arm 33, improves work range and the lifting altitude of hoisting crane effectively.The easy accessibility of auxiliary 34 is the problem of Continual Improvement in auxiliary 34 Design and manufacture always.
Due to the accumulated error welded in process of production, auxiliary 34 needs constantly to adjust position when assembling, auxiliary 34 is articulated on principal arm 33 and is in optimum position.Auxiliary 34 is arranged on principal arm 33 side, transports with complete machine.From crane arm side opening during operation.See Fig. 1, auxiliary 34 is arranged on principal arm 33 side, fixes with front frame 30, medium-height trestle 31, after poppet 32 3 supports.
As above-mentioned, auxiliary 34 is operation parts of crane.Before auxiliary 34 operation, first auxiliary 34 will be launched, namely need to rotate around the connection bearing pin of principal arm 33 with link span, auxiliary 34 is regained along being parallel to direction, ground.After auxiliary 34 and medium-height trestle 31 are fixing, unclamp the fixed pin shaft that link span is connected with principal arm 33, now, auxiliary 34 is fixed with front frame 30, and relies on medium-height trestle 31 to support total weight; Then auxiliary 3 rotates around front frame 30 place fixed pin shaft again; Auxiliary 34 is pushed to after poppet 32 and is fixed by final manpower.
When reclaiming at fixing auxiliary 34, launch, all need through this process of Manual-pushing auxiliary 34, this is for goliath, can at substantial manpower, and inconvenient operation, affects job scheduling.
Introduce below in conjunction with Fig. 2, Fig. 3 and Fig. 4 that above-mentioned auxiliary 34 launches, removal process in detail.
When auxiliary 34 reclaims, first rotated around the axis (O) perpendicular to direction, ground by the auxiliary 34 being in deployed condition, auxiliary 34 is regained along being parallel to direction, ground, and during recovery, the rotation direction of auxiliary 34 is see in Fig. 2 shown in curved arrow.After auxiliary 34 and medium-height trestle 31 are fixing, unclamp front hinge (O) place bearing pin, now, auxiliary 34 is fixed with front frame 30, and relies on medium-height trestle 31 to support total weight; And then connect hinge axis (O1) rotation around front frame 30; Auxiliary 34 is pushed to after poppet 32 by final manpower, and fixing, see Fig. 3, Fig. 4.Herein, be the clear position of signal auxiliary 34 on after poppet 32, Fig. 4 and Fig. 2 is different with the view direction of Fig. 3.
The process that auxiliary 34 launches is essentially the inverse process of above-mentioned removal process, repeats no more herein.
Contriver finds, at least there is following problems in prior art:
Auxiliary 34, in removal process, needs two to three people to exert oneself together, by auxiliary 34 centered by front frame 30 hinge, shifts onto on after poppet 32 and fixes.Whole process is all realized by manpower, and labour intensity is large, uses inconvenience.
Utility model content
One of them object of the present utility model proposes a kind of actuating device, crane arm and hoisting crane, in order to simplify the recovery of auxiliary and to launch operation.
For achieving the above object, the utility model provides following technical scheme:
The utility model provides a kind of actuating device, comprising: piston cylinder, attaching parts and locking piece;
After poppet on the cylinder body of described piston cylinder and piston rod one of them and main arm of crane is fixed, wherein another is connected with the middle part of described attaching parts for cylinder body and the piston rod of described piston cylinder, one end of described attaching parts and described main arm of crane or described after poppet hinged, the other end of described attaching parts is provided with described locking piece;
Wherein, when described piston rod is in relative to described piston cylinder the state of stretching out, the described locking piece being arranged on the other end of described attaching parts can turn to the lock hole place of auxiliary around the hinged place of described attaching parts one end;
When described piston rod is in retracted state relative to described piston cylinder, the locking piece be locked in described lock hole can drive described auxiliary to turn on described after poppet.
Actuating device as above, preferably, described attaching parts is rod member.
Actuating device as above, preferably, described locking piece is bearing pin.
Actuating device as above, preferably, described piston cylinder is hydraulic ram.
Actuating device as above, preferably, described lock hole is slotted hole.
Actuating device as above, preferably, described locking piece is welded on the other end of described attaching parts.
The utility model also provides a kind of crane arm, comprises principal arm, auxiliary and after poppet, and wherein, described after poppet is arranged on described principal arm, described after poppet is provided with the piston cylinder of the actuating device that the arbitrary technical scheme of the utility model provides.
Crane arm as above, preferably, described after poppet is provided with roller, and described roller is for supporting described auxiliary.
Crane arm as above, preferably, the quantity of described roller is at least two, and described in each, the axis of roller is parallel to each other.
The utility model reoffers a kind of hoisting crane, comprises the crane arm that the arbitrary technical scheme of the utility model provides.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
The actuating device using technique scheme to provide, can push to after poppet by auxiliary very effortlessly by piston cylinder, attaching parts and locking piece, also very effortlessly the auxiliary on after poppet can be pushed away after poppet; And, above-mentioned actuating device, do not need manually to pull auxiliary to rotate, actuating device is simple, have safely, save time, the feature such as efficient, easy to operate, significantly reduce the labour intensity of crane operator, improve work efficiency, meet that operator increases day by day easy and simple to handle, save time, laborsaving and personal safety needs.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram that in prior art, auxiliary mounts position on principal arm;
Fig. 2 is the process schematic one that in prior art, auxiliary reclaims;
Fig. 3 is the process schematic two that in prior art, auxiliary reclaims;
Fig. 4 is the process schematic three that in prior art, auxiliary reclaims;
The process schematic one of the actuating device recovery auxiliary that Fig. 5 provides for use the utility model embodiment;
The process schematic two of the actuating device recovery auxiliary that Fig. 6 provides for use the utility model embodiment;
Reference numeral:
1, piston cylinder; 2, attaching parts; 3, locking piece;
4, auxiliary; 5, after poppet; 6, roller;
11, cylinder body; 12, piston rod; 41, lock hole;
30, front frame; 31, medium-height trestle; 32, after poppet;
33, principal arm; 34, auxiliary.
Detailed description of the invention
Below in conjunction with the elaboration that Fig. 5 ~ Fig. 6 carries out specifically to the technical scheme that the utility model provides, the arbitrary technological means provided by the utility model carries out technical scheme that two or more technological means any of replacing or being provided by the utility model or technical characteristic carry out mutually combining and obtain all should within protection domain of the present utility model.
The recovery of auxiliary is probably divided into following process: first rotated around the axis perpendicular to direction, ground by the auxiliary being in deployed condition, and auxiliary is regained along being parallel to direction, ground; After auxiliary and medium-height trestle are fixed, unclamp front hinge place bearing pin, now, auxiliary and front frame are fixed, and rely on medium-height trestle to support total weight; Again auxiliary is connected hinge axis around front frame to rotate; Then auxiliary is pushed to after poppet; Finally auxiliary and after poppet are fixed.The expansion of auxiliary is essentially the inverse process of above-mentioned removal process.
The utility model embodiment provides a kind of actuating device, and this actuating device is used for following two operations:
When auxiliary reclaims, realize the penultimate stride in the above-mentioned removal process of auxiliary: auxiliary is pushed to after poppet.
When auxiliary launches, realize following operation: auxiliary is pushed away after poppet.
See Fig. 5, actuating device comprises piston cylinder 1, attaching parts 2 and locking piece 3.After poppet 5 on both the cylinder body 11 of piston cylinder 1 and piston rod 12 one of them and main arm of crane is fixed, and wherein another is connected (specifically can adopt hinged, pinned connection etc.) with the middle part of attaching parts 2 for the cylinder body 11 of piston cylinder 1 and both piston rods 12.One end of attaching parts 2 and main arm of crane or after poppet 5 hinged (in the present embodiment for one end of attaching parts 2 and after poppet 5 hinged), the other end of attaching parts 2 is provided with locking piece 3.Wherein, when piston rod 12 is in relative to piston cylinder 1 state of stretching out, the hinged place being arranged on locking piece 3 one end of the other end of attaching parts 2 turns to lock hole 41 place of auxiliary 4.If attaching parts 2 is hinged with the principal arm of hoisting crane, hinged place is the hinged place of attaching parts 2 and principal arm; If attaching parts 2 is hinged with after poppet 5, hinged place is the hinged place of attaching parts 2 and after poppet 5.In practical application, after locking piece 3 turns to lock hole 41 place, manual type is adopted to be inserted in lock hole 41 by locking piece 3.When piston rod 12 is in retracted state relative to piston cylinder 1, the locking piece 3 be locked in lock hole 41 can drive auxiliary 4 to turn on after poppet 5.
In the present embodiment, so that cylinder body 11 is fixed on after poppet 5.Be understandable that, if piston rod 12 is fixed on after poppet 5, also can realizes the recovery of auxiliary 4 and launch operation.
Attaching parts 2 can adopt various structures form, and frame clsss structure, steel pipe etc., preferably adopt rod-like structure in the present embodiment, and rod-like structure is comparatively simple, lightweight, is convenient to arrange.The material of attaching parts 2 can select steel or high, the durable material of irony equal strength.After poppet 5 on one end of attaching parts 2 and main arm of crane is hinged, and concrete articulated position is relevant with the length of attaching parts 2, can select according to actual needs and arrange in practical application.
Locking piece 3 has multiple implementation, and the effect of locking piece 3 drives auxiliary 4 to move on after poppet 5, to realize the follow-up reclaimer operation to auxiliary 4 along with the retraction of piston cylinder 1 together; Or the auxiliary 4 be positioned on after poppet 5 is pushed away after poppet 5, to realize the follow-up expansion to auxiliary 4 operation.Locking piece 3 can be fixed with auxiliary 4, and the mode such as adopting the mode of hook to realize fixing, using bearing pin realizes fixing.In the present embodiment, locking piece 3 is preferably bearing pin, adopts and be welded and fixed between bearing pin and attaching parts 2.What adopt bearing pin to realize auxiliary 4 is fixing, and one is fixing reliable, and two is that fixing location comparison is accurate, and follow-up auxiliary 4 can be made accurately to move on after poppet 5.
Piston cylinder 1 mentioned above specifically can be selected as hydraulic ram.
The process using actuating device to reclaim auxiliary 4 is introduced in detail below in conjunction with Fig. 5 and Fig. 6.
In order to can be convenient, fast and labour-saving makes auxiliary 4 reclaim, increase by a hydraulic ram after poppet 5 is other, by hydraulic coupling, auxiliary 4 is withdrawn on after poppet 5, then fixes auxiliary 4 by bearing pin.
Specifically, stretching out and retracting action of hydraulic circuit hydraulic control oil cylinder can be set.Utilize the application force of piston rod 12 pairs of auxiliary supports of hydraulic ram, make the outside rotary expansion auxiliary 4 of the rotating shaft of auxiliary 4 around principal arm side, inwardly rotate and reclaim auxiliary 4, aforesaid operations does not all need manually to pull auxiliary 4 to rotate, save time when rotating auxiliary 4, laborsaving, and safety of operation.
Below by introducing auxiliary 4 removal process, specifically introduce actuating device.
1, after auxiliary 4 and front frame are fixed, control hydraulic ram switch on after poppet 5, piston rod 12 is stretched out, attaching parts 2 (being specially connecting rod) will stretch out with piston rod 12, manual type is now adopted to insert in the lock hole 41 (being specially slotted hole) of auxiliary 4 lower plate by the locking piece 3 (being specially bearing pin) be connected with connecting rod, and fixing, see Fig. 5.Lock hole 41 is set to slotted hole and can reduces working accuracy, locking piece 3 can be locked in lock hole 41 easily.
2, hydraulic control oil cylinder switch again, piston rod 12 is retracted, and now, connecting rod will be regained along with piston rod 12, and auxiliary 4 is pulled on after poppet 5, when auxiliary 4 is completely retracted on after poppet 5, turn off hydraulic ram switch, now, auxiliary 4 has reclaimed, and sees Fig. 6.
3, after auxiliary 4 reclaims, the locking piece 3 on connecting rod is separated with auxiliary 4, makes hydraulic ram get back to original position, and with set pin, auxiliary 4 and after poppet 5 are fixed.
The process that auxiliary 4 launches is the inverse process of said process, repeats no more herein.
The actuating device that technique scheme provides, can simplify the recovery of auxiliary 4 and launch operation, eliminates in prior art and needs to adopt manual type auxiliary 4 to be pushed to or pushed away the operation of after poppet 5.And, actuating device realizes the recovery of auxiliary 4 by liquid, electric system, simple, have safely, save time, the feature such as efficient, easy to operate, significantly reduce the labour intensity of crane operator, improve work efficiency, meet that operator increases day by day easy and simple to handle, save time, laborsaving and personal safety needs.
The utility model embodiment reoffers a kind of crane arm, comprises principal arm, auxiliary 4 and after poppet 5, and wherein, after poppet 5 is arranged on principal arm, after poppet 5 is provided with the piston cylinder 1 of the actuating device that the arbitrary technical scheme of the utility model provides.
Further, after poppet 5 is provided with roller 6, roller 6 is for supporting auxiliary 4.The tangential direction of roller 6 rotation of any is topmost consistent with the sense of motion of auxiliary 4 on after poppet 5.The resistance that roller 6 can reduce to be subject to when auxiliary 4 moves on after poppet 5 is set.
See Fig. 6, the quantity of roller 6 is at least two, and the axis of each roller 6 is parallel to each other.In the process of auxiliary 4 movement on after poppet 5, the support of multiple roller 6 can be subject to, stressed more even.
The utility model embodiment also provides a kind of hoisting crane, and it comprises the crane arm that the arbitrary technical scheme of the utility model provides.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only for ease of describing the utility model and simplified characterization, instead of instruction or infer the device of indication or element must have specific orientation, for specific azimuth configuration and operation, thus the restriction to the utility model protection content can not be interpreted as.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.

Claims (10)

1. an actuating device, is characterized in that, comprising: piston cylinder, attaching parts and locking piece;
After poppet on the cylinder body of described piston cylinder and piston rod one of them and main arm of crane is fixed, wherein another is connected with the middle part of described attaching parts for cylinder body and the piston rod of described piston cylinder, one end of described attaching parts and described main arm of crane or described after poppet hinged, the other end of described attaching parts is provided with described locking piece;
Wherein, when described piston rod is in relative to described piston cylinder the state of stretching out, the described locking piece being arranged on the other end of described attaching parts can turn to the lock hole place of auxiliary around the hinged place of described attaching parts one end;
When described piston rod is in retracted state relative to described piston cylinder, the locking piece be locked in described lock hole can drive described auxiliary to turn on described after poppet.
2. actuating device according to claim 1, is characterized in that, described attaching parts is rod member.
3. actuating device according to claim 1 and 2, is characterized in that, described locking piece is bearing pin.
4. actuating device according to claim 1 and 2, is characterized in that, described piston cylinder is hydraulic ram.
5. actuating device according to claim 1 and 2, is characterized in that, described lock hole is slotted hole.
6. actuating device according to claim 1 and 2, is characterized in that, described locking piece is welded on the other end of described attaching parts.
7. a crane arm, comprises principal arm, auxiliary and after poppet, it is characterized in that, described after poppet is arranged on described principal arm, described after poppet is provided with the piston cylinder of the arbitrary described actuating device of claim 1-6.
8. crane arm according to claim 7, is characterized in that, described after poppet is provided with roller, and described roller is for supporting described auxiliary.
9. crane arm according to claim 8, is characterized in that, the quantity of described roller is at least two, and described in each, the axis of roller is parallel to each other.
10. a hoisting crane, is characterized in that, comprises the arbitrary described crane arm of claim 7-9.
CN201420466060.8U 2014-08-18 2014-08-18 Actuating device, crane arm and hoisting crane Expired - Fee Related CN204111218U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105460806A (en) * 2015-12-24 2016-04-06 徐州重型机械有限公司 Novel jig and rear supporting frame combined mechanism
CN112357793A (en) * 2020-11-16 2021-02-12 三一汽车起重机械有限公司 Auxiliary boom frame, boom frame structure and crane
WO2021083560A1 (en) * 2019-10-30 2021-05-06 Werner Steininger Apparatus for cutting and/or handling material to be cut
CN113023586A (en) * 2021-03-29 2021-06-25 徐州重型机械有限公司 Auxiliary arm middle support and engineering vehicle
CN113135511A (en) * 2021-04-29 2021-07-20 徐州重型机械有限公司 Main arm, crane and method for retracting auxiliary arm of crane
CN113582051A (en) * 2021-06-18 2021-11-02 中联重科股份有限公司 Method for operating crane jib and crane

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105460806A (en) * 2015-12-24 2016-04-06 徐州重型机械有限公司 Novel jig and rear supporting frame combined mechanism
WO2021083560A1 (en) * 2019-10-30 2021-05-06 Werner Steininger Apparatus for cutting and/or handling material to be cut
CN112357793A (en) * 2020-11-16 2021-02-12 三一汽车起重机械有限公司 Auxiliary boom frame, boom frame structure and crane
CN113023586A (en) * 2021-03-29 2021-06-25 徐州重型机械有限公司 Auxiliary arm middle support and engineering vehicle
CN113023586B (en) * 2021-03-29 2024-06-07 徐州重型机械有限公司 Bracket in auxiliary arm and engineering vehicle
CN113135511A (en) * 2021-04-29 2021-07-20 徐州重型机械有限公司 Main arm, crane and method for retracting auxiliary arm of crane
CN113135511B (en) * 2021-04-29 2024-05-14 徐州重型机械有限公司 Main arm, crane and auxiliary arm retraction method of crane
CN113582051A (en) * 2021-06-18 2021-11-02 中联重科股份有限公司 Method for operating crane jib and crane
CN113582051B (en) * 2021-06-18 2023-03-03 中联重科股份有限公司 Method for operating crane jib and crane

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