CN205114907U - Suspension arm device and have its hoist - Google Patents
Suspension arm device and have its hoist Download PDFInfo
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- CN205114907U CN205114907U CN201520884286.4U CN201520884286U CN205114907U CN 205114907 U CN205114907 U CN 205114907U CN 201520884286 U CN201520884286 U CN 201520884286U CN 205114907 U CN205114907 U CN 205114907U
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- arm
- section
- pulley
- lifting device
- steel rope
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Abstract
The utility model provides a suspension arm device and have its hoist, wherein, suspension arm device includes first section arm, second festival arm and third festival arm, and third festival arm cover is established on second festival arm, and second festival arm cover is established on first section arm, and the end of first section arm has connecting portion, pulley portion, pulley portion include first pulley and second pulley, and first pulley and second pulley set up on second festival arm along the axis direction of second festival arm in order, wire rope, wire rope's one end setting is on third festival arm, and wire rope's the other end sets up on third festival arm after walking around second pulley, connecting portion and first pulley in proper order, and when second festival arm stretched out from the third festival arm in, second festival arm stretched out in the second saves the arm in order to drive first section arm with the wire rope cooperation through pulley portion. Through the utility model provides a technical scheme, the suspension arm device that can solve among the prior art arranges problem not compact, that the lateral deflection is big.
Description
Technical field
The utility model relates to hoisting crane technical field, in particular to a kind of Lifting device and the hoisting crane with it.
Background technology
At present, Lifting device is one of parts of most critical on hoisting crane, is the load carrier realizing hanging loads.Wherein, arm, for adapting to differing heights and operation needs, can realize the flexible of arm by telescopic system.Current five joint arm and following hoisting cranes thereof, telescopic system is substantially all that telescopic oil cylinder adds flexible construction of wire rope form.For three joint arms, one end of semi-girder rope is fixed on the afterbody of front end arms, and the semi-girder pulley that the other end of semi-girder rope walks around second section arm front end is fixed on the afterbody of Section of three arm.Because semi-girder rope is stressed comparatively large, semi-girder pulley is provided with two pulley grooves be arranged side by side, semi-girder rope is coiled on two pulley grooves in turn.When carrying out arm and stretching, promote second section arm travel forward by telescopic oil cylinder, second section arm is proal to be moved by the dynamic front end arms of semi-girder rope band simultaneously, and while second section arm is stretched out in Section of three arm, front end arms is stretched out in second section arm.
The Lifting device of prior art, semi-girder pulley is provided with two pulley grooves, the thickness of pulley is increased, and then the gap between two joint arms is increased, setting like this not only makes the layout of Lifting device not compact, and adds the lateral deflection between adjacent segments arm.
Utility model content
The utility model provides a kind of Lifting device and has its hoisting crane, arranges the problem not compact, lateral deflection is large to solve Lifting device of the prior art.
According to an aspect of the present utility model, provide a kind of Lifting device, Lifting device comprises first segment arm, second section arm and Section of three arm, and Section of three arm is set on second section arm, second section arm is set on first segment arm, and the end of first segment arm has connecting portion; Sheave portion, sheave portion comprises the first pulley and the second pulley, and the first pulley and the second pulley are arranged on second section arm along the axis direction of second section arm in turn; Steel rope, one end of steel rope is arranged on Section of three arm, be arranged on Section of three arm after the other end of steel rope walks around the second pulley, connecting portion and the first pulley successively, when second section arm stretches out in Section of three arm, second section arm is coordinated by sheave portion and steel rope to drive first segment arm to stretch out in second section arm.
Further, Lifting device also comprises installation portion, and the first pulley and the second pulley are arranged on second section arm respectively by installation portion.
Further, installation portion comprises cylinder, and be arranged on second section arm, sheave portion is set on cylinder rotationally; Limiting section, is arranged on one end of cylinder, and limiting section is for limiting the movement of sheave portion.
Further, Lifting device also comprises substrate, is fixedly installed on second section arm, and installation portion is installed with substrate and is connected.
Further, cylinder is provided with connecting bore, on substrate, corresponding connecting bore is provided with through hole, and cylinder is connected by attaching parts with substrate.
Further, the end face of the one end away from limiting section on cylinder is provided with protuberance, and on substrate, corresponding protuberance is provided with limited impression.
Further, the line at the center of the first pulley and the center of the second pulley is parallel to the line of centers of second section arm, and the diameter of the first pulley is greater than the diameter of the second pulley.
Further, the two ends of steel rope are respectively arranged with fixed part, and steel rope is arranged on Section of three arm by fixed part.
Further, connecting portion is the 3rd pulley.
According to another aspect of the present utility model, provide a kind of hoisting crane, comprise Lifting device, Lifting device is the above-mentioned Lifting device provided.
Application the technical solution of the utility model, second section arm arranges two pulleys, and coordinated by two pulleys and steel rope, while second section arm can be made to stretch out from Section of three arm, first segment arm stretches out in second section arm.So move the gap reduced while first segment arm stretches out between first segment arm and second section arm meeting second section arm straps, make Lifting device compact conformation, and the lateral deflection between first segment arm and second section arm can be reduced.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and 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 shows the structural representation of the Lifting device that the utility model provides;
Fig. 2 shows the structural representation that in Fig. 1, the first pulley and the second pulley are installed;
Fig. 3 shows the cutaway view of the right elevation of the first pulley in Fig. 2;
Fig. 4 shows the front view of installation portion in Fig. 2;
Fig. 5 shows the left view of installation portion in Fig. 4;
Fig. 6 shows the structural representation of substrate in Fig. 2;
Fig. 7 shows the right elevation of substrate in Fig. 6;
Fig. 8 shows construction of wire rope schematic diagram in Fig. 1.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
11, first segment arm; 11a, connecting portion; 12, second section arm; 13, Section of three arm; 21, the first pulley; 22, the second pulley; 30, steel rope; 40, installation portion; 41, cylinder; 42, limiting section; 43, connecting bore; 44, protuberance; 50, substrate; 51, through hole; 52, limited impression.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, the utility model embodiment provides a kind of Lifting device, and Lifting device comprises: first segment arm 11, second section arm 12, Section of three arm 13, sheave portion and steel rope 30.Wherein, Section of three arm 13 is set on second section arm 12, and second section arm 12 is set on first segment arm 11, and second section arm 12 can stretch by relative Section of three arm 13, and first segment arm 11 can stretch by second section arm 12 relatively.Sheave portion comprises the first pulley 21 and the second pulley 22, first pulley 21 and the second pulley 22 and is arranged in turn on second section arm 12 along the axis direction of second section arm 12.The end of first segment arm 11 is provided with connecting portion 11a, and steel rope 30 can be socketed on connecting portion 11a, and can move by opposing connections 11a.Particularly, this connecting portion 11a can be set to pipe link, also can be set to shackle structure and make steel rope 30 be located in hanger, also can be set to pulley structure.In the present embodiment, in order to reduce the friction of steel rope 30 on connecting portion 11a, connecting portion 11a is set to the 3rd pulley.One end of steel rope 30 is arranged on Section of three arm 13, particularly, is arranged on the inside of Section of three arm 13, and is positioned at the one end away from second section arm 12.Be fixed on Section of three arm 13 after the other end of steel rope 30 walks around the second pulley 22, connecting portion 11a and the first pulley 21 successively.Namely the two ends of steel rope 30 can be disposed side by side on the inside of Section of three arm 13.Two ends due to steel rope 30 are all fixed on Section of three arm 13, and therefore second section arm 12 when stretching out in Section of three arm 13, can be coordinated stretched out in second section arm 12 by first segment arm 11 by sheave portion and steel rope 30.
Application the technical solution of the utility model, second section arm 12 is arranged two pulleys, is coordinated by two pulleys and steel rope 30, when second section arm 12 can be made to stretch out from Section of three arm 13, drives first segment arm 11 to stretch out in second section arm 12.So meeting the gap reduced while second section arm 12 drives first segment arm 11 to stretch out between first segment arm 11 and second section arm 12, make Lifting device structure compacter, and the lateral deflection between first segment arm 11 and second section arm 12 can be reduced by the gap reduced between first segment arm 11 and second section arm 12.
As shown in Figures 2 to 5, in the present embodiment, this Lifting device also comprises installation portion 40, and the first pulley 21 and the second pulley 22 are arranged on second section arm 12 respectively by installation portion 40.Particularly, this installation portion 40 comprises cylinder 41 and limiting section 42.Wherein, cylinder 41 is arranged on second section arm 12, and the first pulley 21 is set on a cylinder 41 rotationally, and the second pulley 22 is set on another cylinder 41 rotationally.So can reduce the friction between steel rope 30 and pulley further, extend the service life of steel rope 30.Limiting section 42 is arranged on one end of cylinder 41, limits the displacement of sheave portion on cylinder 41 by limiting section 42, prevents sheave portion from coming off from cylinder 41.Particularly, limiting section 42 can be set to the flanged structure arranged along cylinder 41 circumference, coordinates to limit the longitudinal travel of sheave portion at cylinder 41 by flanged structure and second section arm 12.
As shown in Figure 6 and Figure 7, for the ease of the installation of sheave portion on second section arm 12, this Lifting device also comprises substrate 50, and substrate 50 is fixedly installed on second section arm 12, and installation portion 40 is installed with the substrate 50 be arranged on second section arm 12 and is connected.
Particularly, cylinder 41 arranges connecting bore 43, on substrate 50, corresponding connecting bore 43 is provided with through hole 51, and cylinder 41 and substrate 50 are linked together by attaching parts.Wherein, connecting bore 43 and through hole 51 are multiple, and multiple connecting bore is distributed on cylinder 41, and the corresponding connecting bore 43 of multiple through hole 51 is arranged on substrate 50, and cylinder 41 is connected by screw with substrate 50.
In the present embodiment, cylinder 41 is provided with protuberance 44 away from the end face of one end of limiting section 42, on substrate 50, the position of corresponding protuberance 44 is provided with limited impression 52.When being arranged on substrate 50 by cylinder 41, first protuberance 44 being put into limited impression 52, so can be convenient to cylinder 41 and substrate 50 quick position, and can limit cylinder 41 when mounted opposing substrate 50 move.Particularly, this protuberance 44 can be set to a step, and this step is arranged on the axis of cylinder 41.
As depicted in figs. 1 and 2, wherein, in the present embodiment, the line at the center of the first pulley 21 and the center of the second pulley 22 is parallel to the line of centers of second section arm 12, and the diameter of the first pulley 21 is greater than the diameter of the second pulley 22.Steel rope 30 so can be avoided to produce interference when arranging, and this structure is convenient to staff and is installed.
As shown in Figure 8, particularly, be respectively arranged with fixed part at the two ends of steel rope 30, steel rope 30 is arranged on Section of three arm 13 by fixed part.Wherein, fixed part can be set to Metallic rod, and two side pressures of steel rope 30 are embedded in Metallic rod, so can simplify the device structure, and is conveniently fixed on Section of three arm 13 by steel rope 30.
In the another embodiment of the utility model, provide a kind of hoisting crane, this hoisting crane comprises Lifting device.Wherein, the Lifting device that provides for above-described embodiment of this Lifting device.
By the Lifting device that the utility model provides, the spacing between arm is reduced while meeting hoisting arm expansion, be conducive to the preferred arrangement of structure, and the side direction loaded state of arm can be improved, Metallic rod is set at steel rope two ends simultaneously, makes the operation when fixing steel rope save cost of installation while being simplified.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a Lifting device, is characterized in that, described Lifting device comprises:
First segment arm (11), second section arm (12) and Section of three arm (13), described Section of three arm (13) is set on described second section arm (12), described second section arm (12) is set on described first segment arm (11), and the end of described first segment arm (11) has connecting portion (11a);
Sheave portion, described sheave portion comprises the first pulley (21) and the second pulley (22), and described first pulley (21) and described second pulley (22) are arranged on described second section arm (12) along the axis direction of described second section arm (12) in turn;
Steel rope (30), one end of described steel rope (30) is arranged on described Section of three arm (13), the other end of described steel rope (30) walks around described second pulley (22) successively, be arranged on described Section of three arm (13) after described connecting portion (11a) and described first pulley (21), when described second section arm (12) is stretched out in described Section of three arm (13), described second section arm (12) is coordinated by described sheave portion and steel rope (30) to drive described first segment arm (11) to stretch out in described second section arm (12).
2. Lifting device according to claim 1, is characterized in that, described Lifting device also comprises:
Installation portion (40), described first pulley (21) and described second pulley (22) are arranged on described second section arm (12) respectively by described installation portion (40).
3. Lifting device according to claim 2, is characterized in that, described installation portion (40) comprising:
Cylinder (41), be arranged on described second section arm (12), described sheave portion is set on described cylinder (41) rotationally;
Limiting section (42), is arranged on one end of described cylinder (41), and described limiting section (42) is for limiting the movement of described sheave portion.
4. Lifting device according to claim 3, is characterized in that, described Lifting device also comprises:
Substrate (50), is fixedly installed on described second section arm (12), and described installation portion (40) is installed with described substrate (50) and is connected.
5. Lifting device according to claim 4, it is characterized in that, described cylinder (41) is provided with connecting bore (43), the upper corresponding described connecting bore (43) of described substrate (50) is provided with through hole (51), and described cylinder (41) is connected by attaching parts with described substrate (50).
6. the Lifting device according to claim 4 or 5, it is characterized in that, described cylinder (41) is provided with protuberance (44) away from the end face of one end of described limiting section (42), and the upper corresponding described protuberance (44) of described substrate (50) is provided with limited impression (52).
7. Lifting device according to claim 1, it is characterized in that, the line at the center of described first pulley (21) and the center of described second pulley (22) is parallel to the line of centers of described second section arm (12), and the diameter of described first pulley (21) is greater than the diameter of described second pulley (22).
8. Lifting device according to claim 1, is characterized in that, the two ends of described steel rope (30) are respectively arranged with fixed part, and described steel rope (30) is arranged on described Section of three arm (13) by described fixed part.
9. Lifting device according to claim 1, is characterized in that, described connecting portion (11a) is the 3rd pulley.
10. a hoisting crane, comprises Lifting device, it is characterized in that, the Lifting device of described Lifting device according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520884286.4U CN205114907U (en) | 2015-11-06 | 2015-11-06 | Suspension arm device and have its hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520884286.4U CN205114907U (en) | 2015-11-06 | 2015-11-06 | Suspension arm device and have its hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205114907U true CN205114907U (en) | 2016-03-30 |
Family
ID=55570533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520884286.4U Active CN205114907U (en) | 2015-11-06 | 2015-11-06 | Suspension arm device and have its hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205114907U (en) |
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2015
- 2015-11-06 CN CN201520884286.4U patent/CN205114907U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200929 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206 Beijing, Shahe, Changping District Town, Sha Yang Road, Beiqi Futian Motor Company Limited law and Intellectual Property Department Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right |