CN208345625U - A kind of telescopic type lifting structure and practical crane - Google Patents

Abstract

The utility model discloses a kind of telescopic type lifting structure and practical cranes, are related to material carrying machine field.The telescopic type lifting structure includes pedestal, crane arm, screw mechanism, telescopic arm and adjutage.The first cavity is provided in crane arm, screw mechanism is installed in the first cavity, telescopic arm is connect by screw mechanism with crane arm, telescopic arm can be stretched out or be retracted in the first cavity, the one end of telescopic arm far from crane arm and adjutage are hinged, the second cavity is provided in telescopic arm, adjutage can be rotated relative to telescopic arm, and be retracted in the second cavity.Compared with prior art, telescopic type lifting structure provided by the utility model is provided with the crane arm of the first cavity and is provided with the telescopic arm of the second cavity due to using, so will can be retracted in crane arm equipped with the telescopic arm of adjutage when not in use, realize complete folding shrinking, it occupies little space, it is easy to operate, it is readily transported, it is practical, it is suitable for small space.

Description

A kind of telescopic type lifting structure and practical crane

Technical field

The utility model relates to material carrying machine field, in particular to a kind of telescopic type lifting structure and Practical crane.

Background technique

Crane refers to more movement hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods.Present rises Heavy-duty machine wide variety has movable crane, bridge crane and tower crane etc., and wherein movable crane includes wheel again The traveling driver's cabin that is mainly characterized by of tire crane, wheel-mounted crane is combined into one with lifting control cabinl pulpit.Wheel-mounted crane be by Crawler crane develops, and the crawler belt of walking mechanism and mobile holder part are become the chassis for having tire, that is, overcome shoe The shortcomings that creeper tread road pavement with crane damages, and can be realized the fast removal to material.

Inventor the study found that present wheel-mounted crane structure is complicated, volume is big, occupied when without hoisting operation Space is big, thus requires the car body volume of carrying big, and manufacturing cost is high, is not suitable for transport and the hoisting operation of small space.

In view of this, designing and manufacturing a kind of telescopic type lifting structure to occupy little space and practical crane spy It is not to be particularly important in hoisting machinery production.

Utility model content

The purpose of this utility model is to provide a kind of telescopic type lifting structures, and structure is simple, when not in use can Folding shrinking occupies little space, easy to operate, is readily transported, practical, is suitable for small space.

The another object of the utility model is to provide a kind of practical crane, in telescopic type lifting structure knot Structure is simple, when not in use can folding shrinking, occupy little space, it is easy to operate, be readily transported, it is practical, be suitable for it is narrow Small space.

The utility model is that it is realized by adopting the following technical scheme.

A kind of telescopic type lifting structure, including pedestal, crane arm, screw mechanism, telescopic arm and adjutage, pedestal with rise Weighing arm is hinged, and the first cavity is provided in crane arm, and screw mechanism is installed in the first cavity, telescopic arm by screw mechanism with Crane arm connection, telescopic arm can be stretched out or are retracted in the first cavity, and the one end of telescopic arm far from crane arm and adjutage are cut with scissors It connects, the second cavity is provided in telescopic arm, adjutage can be rotated relative to telescopic arm, and be retracted in the second cavity.

Further, screw mechanism includes driving motor, lead screw ontology and ball jacket, and driving motor is fixedly installed in It in one cavity, and is connect with lead screw ontology, it is external that ball jacket is sheathed on lead screw sheet, and is threadedly coupled with lead screw ontology, ball Sleeve is fixedly connected with telescopic arm.

Further, ball jacket includes sleeve part and ball ontology, is provided in sleeve part and lead screw body fits Screw thread, ball ontology are installed between sleeve part and lead screw ontology, and the lateral wall of sleeve part is fixedly connected with telescopic arm.

Further, the quantity of screw mechanism is two, and two screw mechanisms are relatively arranged on the two sides of telescopic arm.

Further, telescopic arm is in U-shape, and telescopic arm includes the first side wall, bottom wall and second sidewall, the side of bottom wall and the One side wall connection, the other side are connect with second sidewall, and the first side wall, bottom wall and second sidewall combine to form the second cavity, bottom wall It is hinged with adjutage.

Further, bottom wall includes bottom wall ontology and hinged seat, and one end of bottom wall ontology is connect with hinged seat, the other end with Screw mechanism connection, hinged seat are hinged with adjutage.

Further, hinged seat includes the first erecting bed, the second erecting bed and rotation axis, and the first erecting bed and second are installed Platform is oppositely arranged, and is fixedly connected with bottom wall ontology, and one end of rotation axis is fixedly connected with the first erecting bed, the other end and Two erecting beds are fixedly connected, and adjutage is sheathed on outside rotation axis, and are rotatablely connected with rotation axis.

Further, adjutage includes arm body and suspension hook, and one end of arm body and telescopic arm are hinged, and the other end and suspension hook are cut with scissors It connects.

Further, telescopic type lifting structure further includes hydraulic pressure support arm, and hydraulic pressure support arm includes support column, accommodating set Cylinder and hydraulic part, support column by hydraulic part and accommodating sleeve connection, support column be set to accommodating sleeve in, and can stretch out or Person is retracted accommodating sleeve, and one end and crane arm far from accommodating sleeve of support column are hinged, and accommodating sleeve is fixedly connected with pedestal.

A kind of practical crane, including car body, turntable and telescopic type lifting structure, turntable are installed on car body On, and can be rotated relative to car body, telescopic type lifting structure includes pedestal, crane arm, screw mechanism, telescopic arm and extension Arm, pedestal are fixedly installed on turntable, and pedestal is hinged with crane arm, and the first cavity, screw mechanism peace are provided in crane arm Loaded in the first cavity, telescopic arm is connect by screw mechanism with crane arm, and telescopic arm can stretch out or be retracted the first cavity Interior, the one end of telescopic arm far from crane arm and adjutage are hinged, are provided with the second cavity in telescopic arm, and adjutage can be relative to Telescopic arm rotation, and be retracted in the second cavity.

Telescopic type lifting structure provided by the utility model and practical crane have the advantages that

Telescopic type lifting structure provided by the utility model is provided with the first cavity, screw mechanism installation in crane arm In in the first cavity, telescopic arm is connect by screw mechanism with crane arm, and telescopic arm can be stretched out or be retracted in the first cavity, The one end of telescopic arm far from crane arm and adjutage are hinged, are provided with the second cavity in telescopic arm, and adjutage can be relative to stretching The rotation of contracting arm, and be retracted in the second cavity.Compared with prior art, telescopic type lifting structure provided by the utility model due to Using the crane arm for being provided with the first cavity and the telescopic arm of the second cavity is provided with, so can when not in use will dress Have in the telescopic arm retraction crane arm of adjutage, realizes complete folding shrinking, occupy little space, it is easy to operate, it is readily transported, it is real It is strong with property, it is suitable for small space.

Practical crane provided by the utility model, including telescopic type lifting structure, the telescopic type lifting structure Structure is simple, can realize complete folding shrinking when not in use by the telescopic arm retraction crane arm equipped with adjutage, occupy Space is small, easy to operate, is readily transported, practical, is suitable for small space.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of practical crane provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of telescopic type lifting structure provided by the embodiment of the utility model；

Fig. 3 is the structure that crane arm is connect with telescopic arm in telescopic type lifting structure provided by the embodiment of the utility model Schematic diagram；

Fig. 4 is the structural schematic diagram of screw mechanism in Fig. 3；

Fig. 5 is the structural schematic diagram of ball jacket in Fig. 4；

Fig. 6 is telescopic arm and the hinged structure of adjutage in telescopic type lifting structure provided by the embodiment of the utility model Schematic diagram；

Fig. 7 is the structural schematic diagram of hydraulic pressure support arm in telescopic type lifting structure provided by the embodiment of the utility model.

Icon: the practical crane of 10-；100- telescopic type lifting structure；110- pedestal；120- crane arm；121- is sliding Rail；130- screw mechanism；131- driving motor；132- lead screw ontology；133- ball jacket；134- sleeve part；135- ball sheet Body；140- telescopic arm；141- sliding block；142- the first side wall；143- bottom wall；144- second sidewall；145- bottom wall ontology；146- hinge Joint chair；The first erecting bed of 1461-；The second erecting bed of 1462-；1463- rotation axis；150- adjutage；151- arm body；152- is hung Hook；160- hydraulic pressure support arm；161- support column；162- accommodates sleeve；163- hydraulic part；The first cavity of 170-；180- second is empty Chamber；200- car body；300- turntable.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that term "inner", "outside", "upper", "lower", "horizontal" etc. refer to The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings or when utility model product uses is used The orientation or positional relationship often put, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as indicating Or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under The feature in embodiment stated can be combined with each other.

Embodiment

Fig. 1 is please referred to, the utility model embodiment provides a kind of practical crane 10, for removing to material Fortune.100 structure of telescopic type lifting structure in it is simple, when not in use can folding shrinking, occupy little space, operation side Just, it is readily transported, it is practical, it is suitable for small space.The practical crane 10 includes car body 200, turntable 300 and can Contraction type lifting structure 100.Turntable 300 is installed on car body 200, and can be rotated relative to car body 200, and telescopic type rises Weight structure 100 is installed on turntable 300, and turntable 300 is able to drive telescopic type lifting structure 100 relative to car body 200 Rotation, so that the material to different directions carries out hoisting operation.

In the present embodiment, car body 200 is for transporting turntable 300 and telescopic type lifting structure 100, due to telescopic type Lifting structure 100 when not working can folding shrinking, occupy little space, so car body 200 is small in size, can adapt in narrow Space.

Incorporated by reference to referring to Fig. 2 and Fig. 3, telescopic type lifting structure 100 includes pedestal 110, crane arm 120, screw mechanism 130, telescopic arm 140, adjutage 150 and hydraulic pressure support arm 160.Pedestal 110 is fixedly installed on turntable 300, turntable 300 It is able to drive pedestal 110 to rotate, to change the direction of hoisting operation.Pedestal 110 and crane arm 120 are hinged, crane arm 120 one end far from pedestal 110 can be raised above, to carry out hoisting operation to material.The first sky is provided in crane arm 120 Chamber 170, screw mechanism 130 are installed in the first cavity 170, and telescopic arm 140 is connect by screw mechanism 130 with crane arm 120, Telescopic arm 140 can be stretched out or be retracted in the first cavity 170.Telescopic arm 140 one end and adjutage far from crane arm 120 150 is hinged, the second cavity 180 is provided in telescopic arm 140, adjutage 150 can be rotated relative to telescopic arm 140, and be retracted In second cavity 180.One end of hydraulic pressure support arm 160 is fixedly connected with pedestal 110, and the other end and crane arm 120 are hinged, with right Crane arm 120 is supported, and makes hoisting operation safety and stability.

Referring to figure 4., screw mechanism 130 includes driving motor 131, lead screw ontology 132 and ball jacket 133.Driving electricity Machine 131 is fixedly installed in the first cavity 170, and connect with lead screw ontology 132, to drive lead screw ontology 132 to rotate.Ball sleeve Cylinder 133 is sheathed on outside lead screw ontology 132, and is threadedly coupled with lead screw ontology 132.When driving motor 131 starts, ball jacket 133 rotate relative to lead screw ontology 132, and the position of lead screw ontology 132 is constant, axial direction of the ball jacket 133 along lead screw ontology 132 It is subjected to displacement.Ball jacket 133 is fixedly connected with telescopic arm 140, to drive axial direction hair of the telescopic arm 140 along lead screw ontology 132 Raw displacement, so that telescopic arm 140 stretches out or the first cavity 170 of retraction.

Referring to figure 5., ball jacket 133 includes sleeve part 134 and ball ontology 135.It is provided in sleeve part 134 and silk The screw thread that thick stick ontology 132 cooperates, ball ontology 135 is installed between sleeve part 134 and lead screw ontology 132, to reduce sleeve part Frictional force between 134 and lead screw ontology 132.The lateral wall of sleeve part 134 is fixedly connected with telescopic arm 140, flexible to drive Arm 140 is subjected to displacement.

Please continue to refer to Fig. 3, it should be noted that the quantity of screw mechanism 130 is two, two 130 phases of screw mechanism To the two sides for being set to telescopic arm 140.Two screw mechanisms 130 move synchronously, to drive telescopic arm 140 to be moved simultaneously, Stress equalization, so that the motion stabilization of telescopic arm 140 is reliable.

In the present embodiment, sliding rail 121 is provided in crane arm 120, sliding rail 121 extends along the length direction of crane arm 120, Telescopic arm 140 is provided with sliding block 141, and sliding block 141 and sliding rail 121 cooperate, and is transported with reducing telescopic arm 140 relative to crane arm 120 Frictional force when dynamic, and sliding block 141 and sliding rail 121 can be supported telescopic arm 140, reduce the load of lead screw ontology 132 Lotus prevents lead screw ontology 132 from deforming.Specifically, the quantity of sliding rail 121 and sliding block 141 is two, a sliding rail 121 A side of telescopic arm 140 is set to a sliding block 141, another sliding rail 121 and another sliding block 141 are set to flexible Another side of arm 140, so that stress equalization.

It is worth noting that, telescopic arm 140 is in U-shape, telescopic arm 140 includes the first side wall 142, bottom wall 143 and second side Wall 144.The side of bottom wall 143 is connect with the first side wall 142, and the other side is connect with second sidewall 144, the first side wall 142, bottom wall 143 and second sidewall 144 combination formed the second cavity 180.Bottom wall 143 and adjutage 150 are hinged, so that adjutage 150 can It is rotated relative to bottom wall 143.In the present embodiment, two ball jackets 133 are fixedly installed in the bottom of bottom wall 143, and opposite The both ends of bottom wall 143 are set to, a sliding block 141 is set to the middle part of the first side wall 142, another sliding block 141 is set to The middle part of two side walls 144.

Please refer to Fig. 6, in the present embodiment, bottom wall 143 includes bottom wall ontology 145 and hinged seat 146.Bottom wall ontology 145 One end is connect with hinged seat 146, and the other end is connect with the ball jacket 133 of screw mechanism 130.Bottom wall ontology 145 can be in silk It is moved under the drive of thick stick mechanism 130, to stretch out or be retracted the first cavity 170.Hinged seat 146 and adjutage 150 are cut with scissors It connects, to be that adjutage 150 can be rotated into the second cavity 180.

Hinged seat 146 includes the first erecting bed 1461, the second erecting bed 1462 and rotation axis 1463.First erecting bed 1461 It is oppositely arranged with the second erecting bed 1462, and is fixedly connected with bottom wall ontology 145, one end of rotation axis 1463 and the first installation Platform 1461 is fixedly connected, and the other end is fixedly connected with the second erecting bed 1462.Adjutage 150 is sheathed on outside rotation axis 1463, and It is rotatablely connected with rotation axis 1463, to realize rotation of the adjutage 150 relative to hinged seat 146.

It should be noted that adjutage 150 includes arm body 151 and suspension hook 152.One end of arm body 151 and telescopic arm 140 are cut with scissors It connects, the other end and suspension hook 152 are hinged.When carrying out hoisting operation, adjutage 150 naturally droops under gravity, arm body 151 by 152 pull-up of suspension hook, and suspension hook 152 is for hanging material.

Fig. 7 is please referred to, hydraulic pressure support arm 160 includes support column 161, accommodating sleeve 162 and hydraulic part 163.Support column 161 It is connect by hydraulic part 163 with accommodating sleeve 162, support column 161 is set in accommodating sleeve 162, and can be stretched out or be contracted Into accommodating sleeve 162.One end and crane arm 120 far from accommodating sleeve 162 of support column 161 are hinged, accommodate sleeve 162 and pedestal 110 are fixedly connected, and support column 161 can be supported crane arm 120.

When not needing to carry out hoisting operation, adjutage 150 is rotated relative to telescopic arm 140 first, so that adjutage 150 submerge completely in the second cavity 180, drive telescopic arm 140 to be retracted into the first cavity 170 followed by screw mechanism 130, Telescopic arm 140 drives adjutage 150 to enter in the first cavity 170 jointly at this time, until telescopic arm 140 submerges the first cavity completely 170, finally crane arm 120 is rotated relative to pedestal 110, the accommodating sleeve 162 of the retraction of support column 161 at this time, so that crane arm It completes to shrink close to pedestal 110 in 120 one end far from pedestal 110.

When needing to carry out hoisting operation, telescopic arm 140 is driven to stretch out the first cavity 170 first with screw mechanism 130, Then rotation adjutage 150, so that adjutage 150 stretches out the second cavity 180 and turns to vertical direction, arm body 151 exists at this time It is naturally drooped under the action of gravity, triggers material using suspension hook 152, then risen again relative to 110 swivelling jib 120 of pedestal Weighing arm 120 is raised above far from one end of pedestal 110, and in the process, support column 161 stretches out accommodating sleeve 162, and to lifting Arm 120 is supported, and material is raised above under the action of suspension hook 152, realizes hoisting function.

Telescopic type lifting structure 100 provided by the embodiment of the utility model is provided with the first cavity in crane arm 120 170, screw mechanism 130 is installed in the first cavity 170, and telescopic arm 140 is connect by screw mechanism 130 with crane arm 120, is stretched Contracting arm 140 can be stretched out or be retracted in the first cavity 170, the one end of telescopic arm 140 far from crane arm 120 and adjutage 150 Hingedly, the second cavity 180 is provided in telescopic arm 140, adjutage 150 can be rotated relative to telescopic arm 140, and be retracted second In cavity 180.Compared with prior art, telescopic type lifting structure 100 provided by the utility model is provided with due to using The crane arm 120 of first cavity 170 and the telescopic arm 140 for being provided with the second cavity 180, so can be when not in use by dress There is the telescopic arm 140 of adjutage 150 to be retracted in crane arm 120, realizes complete folding shrinking, occupy little space, it is easy to operate, just It is practical in transport, it is suitable for small space, so that practical crane 10 is safe and practical, user experience is good.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of telescopic type lifting structure, which is characterized in that including pedestal, crane arm, screw mechanism, telescopic arm and extension Arm, the pedestal and the crane arm are hinged, and the first cavity is provided in the crane arm, and the screw mechanism is installed on described In first cavity, the telescopic arm is connect by the screw mechanism with the crane arm, the telescopic arm can stretch out or It is retracted in first cavity, the one end of the telescopic arm far from the crane arm and the adjutage are hinged, the telescopic arm It is inside provided with the second cavity, the adjutage can be rotated relative to the telescopic arm, and be retracted in second cavity.

2. telescopic type lifting structure according to claim 1, which is characterized in that the screw mechanism includes driving electricity Machine, lead screw ontology and ball jacket, the driving motor are fixedly installed in first cavity, and are connected with the lead screw ontology It connects, it is external that the ball jacket is sheathed on the lead screw sheet, and is threadedly coupled with the lead screw ontology, the ball jacket and institute Telescopic arm is stated to be fixedly connected.

3. telescopic type lifting structure according to claim 2, which is characterized in that the ball jacket include sleeve part and Ball ontology, the screw thread with the lead screw body fits is provided in the sleeve part, and the ball ontology is installed on the set Between canister portion and the lead screw ontology, the lateral wall of the sleeve part is fixedly connected with the telescopic arm.

4. telescopic type lifting structure according to claim 1, which is characterized in that the quantity of the screw mechanism is two A, two screw mechanisms are relatively arranged on the two sides of the telescopic arm.

5. telescopic type lifting structure according to claim 1, which is characterized in that the telescopic arm is in U-shape, described flexible Arm includes the first side wall, bottom wall and second sidewall, and the side of the bottom wall is connect with the first side wall, the other side and described the The connection of two side walls, the first side wall, the bottom wall and the second sidewall combine to form second cavity, the bottom wall with The adjutage is hinged.

6. telescopic type lifting structure according to claim 5, which is characterized in that the bottom wall includes bottom wall ontology and hinge One end of joint chair, the bottom wall ontology is connect with the hinged seat, and the other end is connect with the screw mechanism, the hinged seat with The adjutage is hinged.

7. telescopic type lifting structure according to claim 6, which is characterized in that the hinged seat includes the first installation Platform, the second erecting bed and rotation axis, first erecting bed and second erecting bed are oppositely arranged, and with the bottom wall sheet Body is fixedly connected, and one end of the rotation axis is fixedly connected with first erecting bed, and the other end and second erecting bed are solid Fixed connection, the adjutage are sheathed on outside the rotation axis, and are rotatablely connected with the rotation axis.

8. telescopic type lifting structure according to claim 1, which is characterized in that the adjutage includes arm body and hangs Hook, one end of the arm body and the telescopic arm are hinged, and the other end and the suspension hook are hinged.

9. telescopic type lifting structure according to claim 1, which is characterized in that the telescopic type lifting structure also wraps Hydraulic pressure support arm is included, the hydraulic pressure support arm includes support column, accommodating sleeve and hydraulic part, and the support column passes through described hydraulic Part and the accommodating sleeve connection, the support column is set in the accommodating sleeve, and can stretch out or be retracted the appearance Sleeve is set, one end and the crane arm far from the accommodating sleeve of the support column are hinged, the accommodating sleeve and the bottom Seat is fixedly connected.

10. a kind of practical crane, which is characterized in that including car body, turntable and telescopic type lifting structure, the rotation Platform is installed on the car body, and can be rotated relative to the car body, and the telescopic type lifting structure includes pedestal, lifting Arm, screw mechanism, telescopic arm and adjutage, the pedestal are fixedly installed on the turntable, the pedestal and the lifting Arm is hinged, and the first cavity is provided in the crane arm, and the screw mechanism is installed in first cavity, the telescopic arm It is connect by the screw mechanism with the crane arm, the telescopic arm can be stretched out or is retracted in first cavity, institute It states the one end of telescopic arm far from the crane arm and the adjutage is hinged, the second cavity is provided in the telescopic arm, it is described Adjutage can be rotated relative to the telescopic arm, and be retracted in second cavity.