CN203159081U - A truss jib crane and a getting-off structure thereof - Google Patents

A truss jib crane and a getting-off structure thereof Download PDF

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Publication number
CN203159081U
CN203159081U CN 201220452846 CN201220452846U CN203159081U CN 203159081 U CN203159081 U CN 203159081U CN 201220452846 CN201220452846 CN 201220452846 CN 201220452846 U CN201220452846 U CN 201220452846U CN 203159081 U CN203159081 U CN 203159081U
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CN
China
Prior art keywords
bracing
strutting arrangement
base
lattice
crane
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Expired - Fee Related
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CN 201220452846
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Chinese (zh)
Inventor
许明飞
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Sany Heavy Industry Co Ltd
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Sany Heavy Industry Co Ltd
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Priority to CN 201220452846 priority Critical patent/CN203159081U/en
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Publication of CN203159081U publication Critical patent/CN203159081U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a getting-off structure of a truss jib crane, which is used for supporting a getting-on structure of the truss jib crane; the getting-off structure comprises a base connected with the getting-on structure and a plurality of outriggers evenly distributed around the base; the outriggers are hinged with the base; and the outriggers can rotate around a hinge point of the outriggers and the base in a level. The weights of the truss jib crane and the load of the truss jib crane are supported by the outriggers in the getting-off structure and are transmitted to the ground; in a short-distance position transferring process, the position transferring is realized conveniently by only disassembling a long arm truss which affects the balance of the crane, moving a carrier vehicle below the base, rotating and drawing the outriggers back to the carrier vehicle without disassembling the whole crane. The utility model further discloses a truss jib crane.

Description

A kind of lattice-boom crane and following bassinet structure thereof
Technical field
The utility model relates to engineering machinery field, particularly a kind of lattice-boom crane and bassinet structure down thereof.
Background technology
It is little that crawler crane has a grounding pressure, advantages such as turn radius is little, lifting performance is good, especially truss arm crawler crane has brachium that rubber tired crane is beyond one's reach, hoisting moment, operation amplitude, is with the advantages such as ability of carrying driveability and adapting to abominable ground to be widely used in the heavy construction, as the installation work of wind power equipment.Can own walking under the situation that road conditions allows during truss arm crawler crane short range turning point, but the road surface bearing force by force or the road surface have under the situation such as the gradient, still need hoisting crane is carried out integral demounting, carry out turning point by other transportation devices again.To hoisting crane integral disassembly, assembly transportation, the work setup time that needs is long, causes work efficiency low; Disassembly process needs many people's cooperations to finish the waste of manpower cost jointly; In addition, frequent dismounting also can cause damage to each related components of hoisting crane.
The utility model content
In view of this, the utility model proposes bassinet structure under a kind of lattice-boom crane, need the problem of integral demounting transportation during with solution lattice-boom crane short range turning point.
On the one hand, the utility model provides bassinet structure under a kind of lattice-boom crane, be used for supporting the crane structure, following bassinet structure comprises the base that is connected with last bassinet structure, a plurality of base supporting legs on every side that are evenly arranged in, supporting leg and base are hinged, supporting leg can supporting leg and the hinge-point of base centered by in horizontal surface, rotate.
Further, described supporting leg comprises crossbeam, first bracing or strutting arrangement, second bracing or strutting arrangement, and described crossbeam one end and described base are hinged, and the other end is equipped with described first bracing or strutting arrangement, and described second bracing or strutting arrangement is installed in the position between the two ends of crossbeam.
Further, described first bracing or strutting arrangement can be flexible along the direction vertical with described crossbeam length direction with second bracing or strutting arrangement.
Further, described first bracing or strutting arrangement and/or second bracing or strutting arrangement are hydraulic pressure shoring or screw thread strut bar.
Further, described first bracing or strutting arrangement and/or second bracing or strutting arrangement are equipped with the support pad away from an end of crossbeam.
Further, an end of described crossbeam is connected with base by attaching parts.
Further, described attaching parts is two, is arranged on the both sides of base symmetrically.
Further, described supporting leg is 4, and when hoisting crane was worked, described 4 supporting legs rotated and launch; When the hoisting crane turning point, described 4 supporting legs rotate to be regained, and the extended line of 4 crossbeams forms "=" shape structure.
In the such scheme, the weight of lattice-boom crane and load thereof supports and is delivered to ground by the supporting leg in the following bassinet structure, need not the complete machine dismounting during short range turning point, only needing to influence long-armed dismounting of hoisting crane balance, transport trolley is moved to the base below, rotate and regain supporting leg to transport trolley, easily turning point.Bassinet structure under the lattice-boom crane that the utility model provides, simple in structure, cost is low, is convenient to hoisting crane short range turning point.
The utility model also provides a kind of lattice-boom crane that is provided with bassinet structure under the above-mentioned lattice-boom crane, has advantage and the beneficial effect of bassinet structure under the above-mentioned lattice-boom crane.
Description of drawings
The accompanying drawing that constitutes a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
The lattice-boom crane that Fig. 1 provides for the utility model embodiment arrangement works state schematic top plan view of getting off;
Bassinet structure transhipment state schematic top plan view under the lattice-boom crane that Fig. 2 provides for the utility model embodiment;
The working state structure scheme drawing of the lattice-boom crane that Fig. 3 provides for the utility model embodiment;
The transhipment status architecture scheme drawing of the lattice-boom crane that Fig. 4 provides for the utility model embodiment;
The lattice-boom crane that Fig. 5 provides for another embodiment of the utility model arrangement works state schematic top plan view of getting off.
Description of reference numerals:
Bassinet structure, 7 support pads, 8 Connection Blocks, 9 transpories trolley on 1 base, 2 supporting legs, 3 crossbeams, 4 first bracing or strutting arrangements, 5 second bracing or strutting arrangements, 6
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment in the utility model can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Basic thought of the present utility model is: the weight of lattice-boom crane and load thereof supports and is delivered to ground by the supporting leg in the following bassinet structure, need not the complete machine dismounting during short range turning point, only needing to influence long-armed dismounting of hoisting crane balance, transport trolley is moved to the base below, rotate and regain supporting leg to transport trolley, easily turning point.
Below in conjunction with Fig. 1 to Fig. 4, preferred embodiment of the present utility model is described in further detail: the utility model provides bassinet structure under a kind of lattice-boom crane, be used for supporting crane structure 6, following bassinet structure comprises the base 1 that is connected with last bassinet structure, a plurality of base 1 supporting legs 2 on every side that are evenly arranged in, supporting leg 2 is hinged with base 1, supporting leg 2 can supporting leg 2 with the hinge-point of base 1 centered by in horizontal surface, rotate.
In such scheme, the weight of lattice-boom crane and load thereof supports by the supporting leg in the following bassinet structure and is delivered to ground, when hoisting crane lifting work, rotates supporting leg and launches, and increases the support span, improves stability of strutting system; When hoisting crane needs turning point, long-armed dismounting of hoisting crane balance will be influenced, other structures can be passed through the transport trolley integral transportation, the height of this transport trolley should adapt with base height overhead, detailed process is as follows: transport trolley 9 is moved to base 1 below, rotate supporting leg 2 and regain, hoisting crane is supported on the transport trolley 9 can transports turning point.Bassinet structure under this hoisting crane, simple in structure, cost is low, is convenient to hoisting crane short range turning point expeditiously.Above-mentioned transport trolley 9 can be modular cart general on the building site, can regulate the length of transport trolley 9 according to tonnage and the size of hoisting crane.
Further, supporting leg 2 devices comprise crossbeam 3, first bracing or strutting arrangement 4, second bracing or strutting arrangement 5, one end and the described base 1 of crossbeam 3 are hinged, and the other end is equipped with described first bracing or strutting arrangement 4, and described second bracing or strutting arrangement 5 is installed in the position between the two ends of crossbeam 3.First bracing or strutting arrangement 4 is used for supporting heavy-duty machine when hoisting crane is worked, with the weight transmitting of hoisting crane and load to ground; During turning point, hoisting crane is supported on the transport trolley 9 by second bracing or strutting arrangement 5, compares by first bracing or strutting arrangement 4 and is supported on mode on the transport trolley, and the size of the transport trolley 9 that the former needs is less.The installation site of second bracing or strutting arrangement 5 can be determined according to the actual requirements.
Further, described first bracing or strutting arrangement 4 can be flexible along the direction vertical with described crossbeam 3 length directions with second bracing or strutting arrangement 5.Like this, just can regulate the operating altitude of hoisting crane by the length of regulating first bracing or strutting arrangement 4, also can when turning point, regulate hoisting crane base 1 height overhead according to the height of transport trolley 9, so that transport trolley 9 moves to hoisting crane base 1 below smoothly; By regulating the length of second bracing or strutting arrangement 5, can regulate the height of hoisting crane on transport trolley 9, in order to avoid hoisting crane center too high easy generation overthrow accident overhead.Herein stretch and contracting is a kind ofly sensu latoly to stretch out and withdraw; first bracing or strutting arrangement 4 and second bracing or strutting arrangement 5 can fold, overturn, grafting etc.; when not needing first bracing or strutting arrangement 4 to work; first bracing or strutting arrangement 4 is folded or be turned to the part that exceeds crossbeam 3 that maybe will peg graft crossbeam 3 inside to be removed; can play the effect of saving the space equally, be subjected to protection of the present utility model equally.
Further, first bracing or strutting arrangement 4 and/or second bracing or strutting arrangement 5 are hydraulic pressure shoring or screw thread strut bar.
Further, described first bracing or strutting arrangement 4 and/or second bracing or strutting arrangement 5 are equipped with support pad 7 away from an end of crossbeam.Support pad 7 is installed, has been increased the area of contact of supporting leg 2 with ground, improved the stability of strutting system of first bracing or strutting arrangement 4 and second bracing or strutting arrangement 5.
Further, an end of described crossbeam 3 is connected with base 1 by attaching parts 8.Attaching parts 8 can be designed to gauge member, and the base 1 that can be used for different model is connected with supporting leg 2, is convenient to produce cost-cutting is installed.Attaching parts 8 is set to two, is arranged on the both sides of base 1 symmetrically, and the length of attaching parts 8 is provided with attaching parts 8 than base 1 the length of a side is long, makes things convenient for the installation of supporting leg 2 like this.As Fig. 1 and shown in Figure 5, the front side that base 1 is set and rear side that two attaching partss 8 can symmetry, the left side that base 1 is set and right side that also can symmetry.Supporting leg 2 is 4, and two supporting legs 2 that are positioned at base 1 the same side are hinged by bearing pin with the two ends of the attaching parts 8 that is positioned at this side respectively, and when hoisting crane was worked, described 4 supporting legs 2 rotated and launch, and increased and supported span, improved stability of strutting system; When the hoisting crane turning point, described 4 supporting legs 2 rotate to be regained, and the extended line of 4 crossbeams 3 forms "=" shape structure.4 supporting legs are set, namely can carry out stable support to the weight of hoisting crane and load can arrange the hoisting crane space again easily, for example 4 supporting legs 2 can be arranged in uniformly on four angles of base 1,4 supporting legs 2 rotate and regain during turning point, the extended line of 4 crossbeams 3 forms "=" shape structure, be convenient to transportation like this, save transport space.
In the such scheme, the weight of lattice-boom crane and load thereof supports and is delivered to ground by the supporting leg in the following bassinet structure, need not the complete machine dismounting during short range turning point, only needing to influence long-armed dismounting of hoisting crane balance, transport trolley is moved to the base below, rotate and regain supporting leg to transport trolley, easily turning point.Bassinet structure under the lattice-boom crane that the utility model provides, simple in structure, cost is low, is convenient to hoisting crane short range turning point.
The utility model also provides a kind of lattice-boom crane that is provided with bassinet structure under the above-mentioned lattice-boom crane, and its specific embodiment and beneficial effect are same as described above, repeat no more herein.
Above-mentioned lattice-boom crane can carry out turning point as follows:
S1, landing crane arm;
S2, with intermediate arm dismounting, be assembled to the basic arm state;
S3, transport trolley 9 is moved to base 1 below;
S4, supporting leg 2 rotate and are retracted in the width of transfer car(buggy), and with 4 withdrawals of first bracing or strutting arrangement, supporting leg 2 rotates and is retracted in the width of transfer car(buggy).
S5, with first bracing or strutting arrangement 4 and/or second bracing or strutting arrangement, 5 elongate support to transport trolley 9, start transport trolley 9 hoisting crane be transported to next operation point.
Among the step S5, when the length of transport trolley 9 is longer, can extends first bracing or strutting arrangement 4 or extend first bracing or strutting arrangement 4 simultaneously and second bracing or strutting arrangement 5 is supported on the transport trolley; If the length of transport trolley 9 more in short-term, then can only extend second bracing or strutting arrangement 5 and be supported on the transport trolley.
Above-mentioned hoisting crane turning point method need not complete machine dismounting, and only needing influence long-armed dismounting of hoisting crane balance, and transport trolley is moved to the base below, rotates the withdrawal supporting leg to transport trolley, turning point easily, and method is simple, the efficient height.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (9)

1. bassinet structure under the lattice-boom crane, be used for supporting crane structure (6), it is characterized in that, comprise the base (1) that is connected with last bassinet structure (6), a plurality of base (1) supporting legs (2) on every side that are evenly arranged in, supporting leg (2) and base (1) are hinged, supporting leg (2) can supporting leg (2) with the hinge-point of base (1) centered by in horizontal surface, rotate.
2. bassinet structure under the lattice-boom crane according to claim 1, it is characterized in that, described supporting leg (2) comprises crossbeam (3), first bracing or strutting arrangement (4), second bracing or strutting arrangement (5), one end of described crossbeam (3) and described base (1) are hinged, and the other end is equipped with described first bracing or strutting arrangement (4); Described second bracing or strutting arrangement (5) is installed in the position between the two ends of crossbeam (3).
3. bassinet structure under the lattice-boom crane according to claim 2 is characterized in that, described first bracing or strutting arrangement (4) can be flexible along the direction vertical with described crossbeam (3) length direction with second bracing or strutting arrangement (5).
4. bassinet structure under the lattice-boom crane according to claim 3 is characterized in that, described first bracing or strutting arrangement (4) and/or second bracing or strutting arrangement (5) are hydraulic pressure shoring or screw thread strut bar.
5. bassinet structure under the lattice-boom crane according to claim 4 is characterized in that, described first bracing or strutting arrangement (4) and/or second bracing or strutting arrangement (5) are equipped with support pad (7) away from an end of crossbeam (3).
6. according to bassinet structure under each described lattice-boom crane of claim 2-5, it is characterized in that an end of described crossbeam (3) is connected with base (1) by attaching parts (8).
7. bassinet structure under the lattice-boom crane according to claim 6 is characterized in that, described attaching parts (8) is two, is arranged on the both sides of base (1) symmetrically.
8. bassinet structure under the lattice-boom crane according to claim 7 is characterized in that, described supporting leg (2) is 4, and when hoisting crane was worked, described 4 supporting legs (2) rotated and launch; When the hoisting crane turning point, described 4 supporting legs (2) rotate to be regained, and the extended line of 4 crossbeams (3) forms "=" shape structure.
9. a lattice-boom crane is characterized in that, comprises bassinet structure under each described lattice-boom crane of claim 1 to 8.
CN 201220452846 2012-09-06 2012-09-06 A truss jib crane and a getting-off structure thereof Expired - Fee Related CN203159081U (en)

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CN 201220452846 CN203159081U (en) 2012-09-06 2012-09-06 A truss jib crane and a getting-off structure thereof

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Application Number Priority Date Filing Date Title
CN 201220452846 CN203159081U (en) 2012-09-06 2012-09-06 A truss jib crane and a getting-off structure thereof

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CN203159081U true CN203159081U (en) 2013-08-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102826447A (en) * 2012-09-06 2012-12-19 三一重工股份有限公司 Truss jib crane as well as getting-off structure and position transferring method thereof
CN109052199A (en) * 2018-09-30 2018-12-21 三汽车制造有限公司 Leg assembly and mechanical equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102826447A (en) * 2012-09-06 2012-12-19 三一重工股份有限公司 Truss jib crane as well as getting-off structure and position transferring method thereof
CN102826447B (en) * 2012-09-06 2015-02-18 三一重工股份有限公司 Truss jib crane as well as getting-off structure and position transferring method thereof
CN109052199A (en) * 2018-09-30 2018-12-21 三汽车制造有限公司 Leg assembly and mechanical equipment
CN109052199B (en) * 2018-09-30 2024-01-19 三一汽车制造有限公司 Leg assembly and mechanical equipment

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130828

Termination date: 20160906