CN104016242A - Folding-lifting type movable small-scale portal crane - Google Patents

Folding-lifting type movable small-scale portal crane Download PDF

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Publication number
CN104016242A
CN104016242A CN201410287061.0A CN201410287061A CN104016242A CN 104016242 A CN104016242 A CN 104016242A CN 201410287061 A CN201410287061 A CN 201410287061A CN 104016242 A CN104016242 A CN 104016242A
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CN
China
Prior art keywords
lifting
rotary supporting
movable small
crane
landing leg
Prior art date
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CN201410287061.0A
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Chinese (zh)
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CN104016242B (en
Inventor
邢建升
孟雷
艾长军
刘金宏
甘谛
徐书茂
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中国原子能科学研究院
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Priority to CN201410287061.0A priority Critical patent/CN104016242B/en
Publication of CN104016242A publication Critical patent/CN104016242A/en
Application granted granted Critical
Publication of CN104016242B publication Critical patent/CN104016242B/en

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Abstract

The invention provides a folding-lifting type movable small-scale portal crane. The portal crane is characterized by comprising a lifting part, a shaft fixing part and rotary support parts, wherein the lifting part can be fixed on a fixed position on the shaft fixing part in a detachable connection manner, and the fixed position can be adjusted in the vertical direction; the shaft fixing part is fixedly connected with the rotary support parts, and the rotary support parts can rotate in the horizontal plane by taking the shaft fixing part as the axis; the lifting part comprises chain blocks, a cross beam and multiple groups of side support parts; the shaft fixing part comprises multiple groups of lifting support legs, and each group comprises multiple support legs; the rotary support parts comprise bodies and wheels. The folding-lifting type movable small-scale portal crane has the beneficial effect of being capable of being unfolded in the working process, so that the stability of the crane is guaranteed; the portal crane is folded and packed up in the daily storage process, so that the occupied area and volume of the crane are reduced; multiple working states of the portal crane can be adapted to different space sizes and channel sizes; as the crane is provided with the wheels, the crane can conveniently move in the small-range movement process.

Description

A kind of movable small transfer crane of foldable lifting
Technical field
The present invention relates to a kind of hoisting crane, particularly a kind of movable small transfer crane of foldable lifting.
Background technology
In the narrow factory building of space anxiety, facility compact, passage, during overhaul of the equipments, often need to carry out on-the-spot lifting, many scenes do not possess lifting condition, cannot use the large magnitude large volume stationary crane of tradition.In nuclear power factory building for example, in order to save factory building space, equipment and various pipeline space layout are very compact, and stream of people's logistics corridor is narrow, and the storage area of leaving special tool for examination and repair equipment for is little, and it is very little that some maintenance station is left the space of weight-lifting equipment for.Traditional method is, in different places, multi-section weight-lifting equipment is set, and the frequency of utilization of equipment is very low, and floor area, initial stage laid down cost, factory building cost of possession, Maintenance and Repair cost are all larger like this.Wasted manpower, financial resources, also caused the waste of resource, a plurality of hoisting cranes simultaneously, have also increased the risk of accident.
In view of above-mentioned defect, creator of the present invention has obtained this creation finally through long research and practice.
Summary of the invention
The object of the present invention is to provide a kind of movable small transfer crane of foldable lifting, in order to overcome above-mentioned technological deficiency.
The movable small transfer crane that the invention provides a kind of foldable lifting, is characterized in that, it comprises a lifting unit, axle bonding part and a rotary supporting part;
Described lifting unit can be fixed on described axle bonding part, adjustable on the vertical direction of fixed position, and fixed form is for removably connecting, and described lifting unit comprises a weight-lifting equipment; Described axle bonding part is fixedly connected with described rotary supporting part, and described rotary supporting part can be take described axle bonding part and in horizontal surface, be rotated as axle.
Preferably, described axle bonding part is with described rotary supporting part connection mode for being fixedly connected with, and described rotary supporting part revolves and has two control positioies, and described two control positioies are 180 ° mutually;
Or described axle bonding part with described rotary supporting part connection mode for being flexibly connected, described rotary supporting part can be fixed unspecified angle planar.
Preferably, described lifting unit also comprises a crossbeam and some groups of side support portions;
Described axle bonding part comprises some groups of lifting landing legs, and every group comprises several lifting landing legs;
Described rotary supporting part comprises a body and a wheel, and described wheel is fixed on described body;
The group number of described side support portion is identical with described lifting landing leg group number, and described rotary supporting part quantity is identical with described lifting landing leg sum.
Preferably, described side support portion comprises a horizontal strut, a lateral brace and some connecting portions, and described lateral brace upper end is fixedly connected with described crossbeam, and lower end is connected with described horizontal strut, and described connecting portion is flexibly connected with described lifting support and is corresponding one by one.
Preferably, described side support portion also comprises the digonal link on the described horizontal support post of some connections and described lateral brace top.
Preferably, described rotary supporting part also comprises an auxiliary braking portion.
Preferably, described rotary supporting part also comprises a supplemental support portion.
Preferably, described lifting landing leg is vertical cylinder.
Preferably, described connecting portion be internal diameter than the large tubular structure of described lifting landing leg external diameter, described connecting portion is placed on outside described lifting landing leg; Described weight-lifting equipment is chain block and/or electric block and/or air hoist.
Preferably, on described connecting portion, be provided with pin hole, be provided with the many groups pin hole being mated on described lifting landing leg, described connecting portion can be connected by pin with described lifting landing leg.
Beneficial effect of the present invention is compared with the prior art: a kind of folding hoisting crane is provided, has launched to guarantee the stability of hoisting crane during work, folding floor area and the volume that reduces hoisting crane of packing up during daily storage; Multiple mode of operation adapts to different space sizes and channel sized; Hoisting crane is provided with wheel, when moving among a small circle more for convenience.
Accompanying drawing explanation
Fig. 1 is the working state structure schematic diagram of the embodiment of the present invention two;
Fig. 2 is the supporting leg retracted state structural representation of the embodiment of the present invention two;
Fig. 3 is the complete folded state schematic diagram of the embodiment of the present invention two.
The specific embodiment
Below in conjunction with accompanying drawing, to the present invention is above-mentioned, be described in more detail with other technical characterictic and advantage.
Embodiment mono-
Hoisting crane of the present invention, comprises a lifting unit, axle bonding part and a rotary supporting part.
Described lifting unit can be fixed on described axle bonding part, adjustable on the vertical direction of fixed position, fixed form is for removably connecting, thereby realizes the adjustment of described lifting unit in the vertical direction, and described lifting unit comprises that a weight-lifting equipment lifts article to be hoisted; Described axle bonding part is connected with described rotary supporting part, and described rotary supporting part can be take described axle bonding part and in horizontal surface, be rotated as axle.
During described lifting unit work, along described axle bonding part, raise and fix, completing the lifting work that is applicable to height, when inoperative, along described axle bonding part, being reduced to bottom, thereby saving space; During described rotary supporting part work, in horizontal surface, to outwarding winding outward, for whole hoisting crane provides good support, off working state is inwardly packed up in horizontal surface, has saved floor area.
Embodiment bis-
Refer to shown in Fig. 1, it is the embodiment bis-working state structure schematic diagrams of the movable small transfer crane of a kind of foldable lifting of the present invention, in the present embodiment, comprise an axle bonding part 2, one lifting unit 1 and a rotary supporting part 3, described axle bonding part 2 comprises two groups of lifting landing legs 21, and every group comprises two described lifting landing legs 21, and described lifting landing leg 21 vertically arranges; Lower end is connected with described rotary supporting part 3, and described rotary supporting part 3 can rotate around described lifting landing leg 21 in horizontal surface, realizes opening and the withdrawal of described rotary supporting part 3; Described lifting unit 1 is flexibly connected with described axle bonding part 2 and can be along 2 rise and fall of described axle bonding part.
In the present embodiment, described lifting landing leg 21 quantity are two groups, and totally four, in practical application, the group number of described lifting landing leg 21 and every group of quantity can be adjusted according to practical application, but total amount minimum be three, otherwise be difficult to keep balance.
Described lifting unit 1 comprises some chain blocks, a crossbeam 11 and some sides support portion 12, and the quantity of described side support portion 12 is identical with the group number of described lifting landing leg 21.Described side support portion 12 comprises a lateral brace 121 and a horizontal strut 122, and described lateral brace 121 tops are fixedly connected with described crossbeam 11, and below is fixedly connected with described horizontal strut 122, plays the effect of fixing described crossbeam 11 and described horizontal strut 122.On described horizontal strut 122, be provided with and the connecting portion one to one of lifting landing leg 21 described in a group, be flexibly connected with lifting landing leg 21 described in a group respectively, flexible connection described herein is the connection of the lifting of can sliding along described lifting landing leg 21 axial directions, in the present embodiment, described lifting landing leg 21 is cylinder, described connecting portion is the short tube structure that internal diameter is slightly larger than described lifting landing leg 21 external diameters, described short tube structure is enclosed within on described lifting landing leg 21, can vertically slide along described lifting landing leg 21, realize the lifting of lifting unit 1 described in elevator.
Preferably, in order to strengthen the stability of described side support portion 12, described side support portion 12 also comprises the digonal link 123 at some connections described lateral brace 121 tops and horizontal strut 122 two ends.
Described chain block is arranged on described crossbeam 11.
Described connecting portion also comprises with on described lifting landing leg 21 the detachable fixed connection structure matching, in the present embodiment, described fixed connection structure is the pin hole on described connecting portion and described lifting landing leg 21, supporting leg connects pin simultaneously through the described pin hole on described connecting portion and described lifting landing leg 21, and the two is temporarily firmly fixed together.Described pin hole on described lifting landing leg 21 is provided with many groups in the vertical direction, thereby realize, makes lifting unit 1 fixing on differing heights.
Described rotary supporting part 3 comprises a body 31 and a wheel 32.Described body 31 is connected with described lifting landing leg 21, and can take described lifting landing leg 21 as axle carries out 360 ° of rotations in described horizontal surface, according to position of rotation difference, can adapt to different working spaces; Described wheel 32 is connected with described body 31, can make hoisting crane of the present invention slide on the ground and realize the function of being convenient to movement, can support the weight of whole hoisting crane simultaneously.
Preferably, on described body 31, also comprise a supplemental support portion 33, because described wheel 32 is mainly realized locomotive function, it must possess hollow lateral support-axle construction, the weight of wanting to support whole hoisting crane and goods is more difficult comparatively speaking sometimes, thus on described body 31, be also provided with a supplemental support portion 33, in hoisting crane steady job, play the effect that auxiliary wheel 32 supports, make whole hoisting crane more steady.
Preferably, on described body 31, also comprise an auxiliary braking portion 34, described auxiliary braking portion 34 is positioned on described body 31, there are braking and movable two states, when active state, hoisting crane can be movable on the ground, when braking mode, hoisting crane is fixed on the ground, cannot move.
Shown in Figure 1, in hoisting crane when work,, outside described rotary supporting part 3 rotation directions, Area of bearing increases, and crane stability strengthens, when space is with channel space permission at the scene, and preferred this supporting leg deployment schemes.
Shown in Figure 2, Fig. 2 is the movable small transfer crane embodiment bis-supporting leg retracted state structural representations of a kind of foldable lifting of the present invention, during hoisting crane work, also can carry out work with the form in described rotary supporting part 3 rotation directions, this kind of form floor area is less.This kind of form be applicable to site space less-cannot offer hoisting crane enough for launching the space of described rotary supporting part 3, or hoisting crane need to be by the situation of narrow passage.
Shown in Figure 3, Fig. 3 is the complete folded state schematic diagram of movable small transfer crane embodiment bis-of a kind of foldable lifting of the present invention, during the daily storage of hoisting crane, in described rotary supporting part 3 rotation directions, described lifting unit 1 drops to minimum and is fixedly connected with described lifting landing leg 21, the contour size of the unit(s) of whole hoisting crane like this is minimum, takies storage area minimum.
Embodiment tri-
Embodiment tri-is similar to embodiment bis-, and difference is, the weight-lifting equipment of embodiment bis-is electric block, more enough more accurate lifting height is provided and saves manpower.
In embodiment tri-, described side support portion has three groups, correspondingly, described lifting landing leg exists three groups, and described choosing dress support portion quantity is six, so arranges, crossbeam is partitioned into two relatively independent spaces, two groups of hoisting device can be set, and are electric block in the present embodiment, have improved the use alerting ability of equipment.
Electric block can also replace to the weight-lifting equipments such as air hoist.
Embodiment tetra-
Embodiment tetra-is similar to embodiment bis-, difference is, described axle bonding part and described rotary supporting part are fixedly connected to form one, when being changed to off working state by mode of operation, the pin of described connecting portion is pulled down, again that described axle bonding part and the inside Rotate 180 of described rotary supporting part ° ability is again fastening by pin, so different from embodiment bis-, in horizontal surface, only there is two control positioies that are mutually 180 °, i.e. expanded position and retrieving position in the rotary supporting part of embodiment tetra-.Embodiment tetra-, owing to having adopted integrated design, can provide more high-intensity bearing force.
The foregoing is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and in the spirit and scope that limit, can carry out many changes to it in the claims in the present invention, revise, and even equivalence, but all will fall within the scope of protection of the present invention.

Claims (10)

1. a movable small transfer crane for foldable lifting, is characterized in that, it comprises a lifting unit, axle bonding part and a rotary supporting part;
Described lifting unit can be fixed on described axle bonding part, adjustable on the vertical direction of fixed position, and fixed form is for removably connecting, and described lifting unit comprises a weight-lifting equipment; Described axle bonding part is connected with described rotary supporting part, and described rotary supporting part can be take described axle bonding part and in horizontal surface, be rotated as axle.
2. the movable small transfer crane of foldable lifting as claimed in claim 1, it is characterized in that, described axle bonding part is with described rotary supporting part connection mode for being fixedly connected with, and described rotary supporting part revolves and has two control positioies, and described two control positioies are 180 ° mutually;
Or described axle bonding part with described rotary supporting part connection mode for being flexibly connected, described rotary supporting part can be fixed on the unspecified angle in horizontal surface.
3. the movable small transfer crane of foldable lifting as claimed in claim 2, is characterized in that, described lifting unit also comprises a crossbeam and some groups of side support portions;
Described axle bonding part comprises some groups of lifting landing legs, and every group comprises several lifting landing legs;
Described rotary supporting part comprises a body and a wheel, and described wheel is fixed on described body;
The group number of described side support portion is identical with described lifting landing leg group number, and described rotary supporting part quantity is identical with described lifting landing leg sum.
4. the movable small transfer crane of foldable lifting as claimed in claim 3, it is characterized in that, described side support portion comprises a horizontal strut, a lateral brace and some connecting portions, described lateral brace upper end is fixedly connected with described crossbeam, lower end is connected with described horizontal strut, and described connecting portion is flexibly connected with described lifting support and is corresponding one by one.
5. the movable small transfer crane of foldable lifting as claimed in claim 4, is characterized in that, described side support portion also comprises the digonal link on the described horizontal support post of some connections and described lateral brace top.
6. the movable small transfer crane of foldable lifting as claimed in claim 4, is characterized in that, described rotary supporting part also comprises an auxiliary braking portion.
7. the movable small transfer crane of foldable lifting as claimed in claim 7, is characterized in that, described rotary supporting part also comprises a supplemental support portion.
8. the movable small transfer crane of foldable lifting as claimed in claim 4, is characterized in that, described lifting landing leg is vertical cylinder.
9. the movable small transfer crane of foldable lifting as claimed in claim 8, is characterized in that, described connecting portion be internal diameter than the large tubular structure of described lifting landing leg external diameter, described connecting portion is placed on outside described lifting landing leg; Described weight-lifting equipment is chain block and/or electric block and/or air hoist.
10. the movable small transfer crane of foldable lifting as claimed in claim 9, it is characterized in that, on described connecting portion, be provided with pin hole, be provided with the many groups pin hole being mated on described lifting landing leg, described connecting portion can be connected by pin with described lifting landing leg.
CN201410287061.0A 2014-06-24 2014-06-24 A kind of movable small gantry crane of foldable lifting CN104016242B (en)

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CN104016242B CN104016242B (en) 2016-08-17

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105858486A (en) * 2015-04-16 2016-08-17 江苏省电力公司南通供电公司 Indoor on-site vertical lifting appliance for modularized large transformer bell jar
CN106477462A (en) * 2015-08-27 2017-03-08 株式会社日立大厦系统 The step hoisting apparatus of weight and step hoisting method
CN108423566A (en) * 2018-04-29 2018-08-21 中国冶集团有限公司 The repeatable mobile transport combination unit utilized
CN108502740A (en) * 2018-04-18 2018-09-07 丁瑞 One kind can expansion type gallows frame
CN111252664A (en) * 2020-02-28 2020-06-09 防城港中一重工有限公司 Basement heating power and water supply pipeline installation device and method
WO2020114838A1 (en) * 2018-12-03 2020-06-11 Robel Bahnbaumaschinen Gmbh Maintenance system and method for maintaining a track

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227464A (en) * 1978-09-22 1980-10-14 Wallace Bernard E Gantries
FR2597460A1 (en) * 1986-04-18 1987-10-23 Voltair Mobile machinery for transporting and handling objects, more particularly for a cemetery
CN102659029A (en) * 2012-04-25 2012-09-12 汪明霞 Combined type movable hanger
CN102745597A (en) * 2012-07-16 2012-10-24 昆山市飞荣达电子材料有限公司 Portable portal frame
CN203255887U (en) * 2013-05-21 2013-10-30 长安大学 Movable simple gantry lifting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227464A (en) * 1978-09-22 1980-10-14 Wallace Bernard E Gantries
FR2597460A1 (en) * 1986-04-18 1987-10-23 Voltair Mobile machinery for transporting and handling objects, more particularly for a cemetery
CN102659029A (en) * 2012-04-25 2012-09-12 汪明霞 Combined type movable hanger
CN102745597A (en) * 2012-07-16 2012-10-24 昆山市飞荣达电子材料有限公司 Portable portal frame
CN203255887U (en) * 2013-05-21 2013-10-30 长安大学 Movable simple gantry lifting device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105858486A (en) * 2015-04-16 2016-08-17 江苏省电力公司南通供电公司 Indoor on-site vertical lifting appliance for modularized large transformer bell jar
CN106477462A (en) * 2015-08-27 2017-03-08 株式会社日立大厦系统 The step hoisting apparatus of weight and step hoisting method
CN106477462B (en) * 2015-08-27 2018-02-23 株式会社日立大厦系统 The step hoisting apparatus and step hoisting method of weight
CN108502740A (en) * 2018-04-18 2018-09-07 丁瑞 One kind can expansion type gallows frame
CN108423566A (en) * 2018-04-29 2018-08-21 中国冶集团有限公司 The repeatable mobile transport combination unit utilized
WO2020114838A1 (en) * 2018-12-03 2020-06-11 Robel Bahnbaumaschinen Gmbh Maintenance system and method for maintaining a track
CN111252664A (en) * 2020-02-28 2020-06-09 防城港中一重工有限公司 Basement heating power and water supply pipeline installation device and method

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