CN203021164U - Crane boom hoisting device, crane boom and crane - Google Patents
Crane boom hoisting device, crane boom and crane Download PDFInfo
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- CN203021164U CN203021164U CN 201220706570 CN201220706570U CN203021164U CN 203021164 U CN203021164 U CN 203021164U CN 201220706570 CN201220706570 CN 201220706570 CN 201220706570 U CN201220706570 U CN 201220706570U CN 203021164 U CN203021164 U CN 203021164U
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- crane arm
- lifting rope
- hole
- mouthpiece
- mounting hole
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Abstract
The utility model provides a crane boom hoisting device, a crane boom and a crane. The crane boom hoisting device comprises a lifting rope and at least two lifting rope joint pieces, wherein the lifting rope joint pieces can be connected with the crane boom; and the lifting rope can be connected with the lifting rope joint pieces. According to the technical scheme, the crane boom hoisting device can be used for hoisting a section of the crane boom and multiple sections of the crane boom and also can be used for hoisting the whole crane boom, the lifting rope is connected with the crane boom through the lifting rope joint pieces, the phenomenon that the lifting rope deviates from the optimal hoisting position due to the influence of the frictional resistance in the process of detaching the crane boom is avoided, and the phenomenon that the large-arm vertical symmetrical plane is deflected and is difficult to adjust in the large-arm mounting process is avoided.
Description
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of crane arm hanging apparatus, crane arm and hoisting crane.
Background technology
Therefore hoister in large tonnage rises because complete vehicle weight is too heavy, causes every bridge load to exceed the limit for tonnage of national regulation, in the hoisting crane transportation, need to split out part arm section and transport separately, so need auxiliary device to promote dismounting efficient during dismounting.
Generally adopt at present lifting rope, lift by crane near position (center of gravity) by manually roughly finding accurately, then examination is hung, and according to actual conditions adjustment lifting position, reaches the purpose of dismounting arm.
There is following shortcoming in prior art:
1, the lifting position is difficult for finding accurately, and efficient is low;
2, in dismounting arm process due to friction drag impact, lifting rope easily slides and the lifting position of off-target;
When 3, large arm being installed, if deflection appears in the large vertical plane of symmetry of arm, be difficult to adjust.
The utility model content
For solving the problems of the technologies described above or one of at least, a purpose of the present utility model is, a kind of crane arm hanging apparatus is provided, can accurately find the lifting position accurately, efficient is high, can avoid crane arm the situation of deflection to occur when crane arm is installed.
In view of this, the utility model provides a kind of crane arm hanging apparatus, comprises lifting rope and at least two lifting rope mouthpiece, and described lifting rope mouthpiece can be connected with described crane arm, and described lifting rope can be connected with described lifting rope mouthpiece.
Lifting rope is connected with crane arm by the lifting rope mouthpiece, has avoided making because of the friction drag impact in dismounting crane arm process the lifting position of lifting rope off-target, has also avoided installing in large arm process greatly the vertical plane of symmetry of arm simultaneously and deflection occurred and be difficult to adjustment.
In technique scheme, preferably, described lifting rope mouthpiece is removably mounted on described crane arm, and perhaps, described lifting rope mouthpiece is fixedly mounted on described crane arm.
Adopt the lifting rope mouthpiece to be removably mounted on this connection mode on crane arm, when needs dismounting or installation crane arm, the lifting rope mouthpiece is arranged on crane arm, after to be removed or installation, with its dismounting, make its normal operation that does not affect crane arm, guaranteed simultaneously lifting rope mouthpiece service life;
Adopt the lifting rope mouthpiece to be fixedly mounted on this connection mode on crane arm, the lifting rope mouthpiece is captiveed joint with crane arm, need not to install or dismounting lifting rope mouthpiece, has saved the time of installing or dismantling the lifting rope mouthpiece.
In technique scheme, preferably, be provided with at least two mounting holes on described crane arm, described mounting hole is symmetricly set in the both sides of described crane arm center of gravity along described boom length direction, and on the vertical plane of symmetry that is centered close to described crane arm of described mounting hole, described lifting rope mouthpiece is removably mounted on described crane arm by described mounting hole.
Mounting hole is set on crane arm, the lifting mouthpiece is connected with crane arm by mounting hole, the structure design of mounting hole, make when the lifting crane arm, do not need to adjust the lifting rope position, can be directly used in the lifting crane arm after installing lifting rope, improve and installed or the efficient of dismounting crane arm, and the situation of crane arm deflection occurs when having avoided crane arm is installed.
In technique scheme, preferably, described mounting hole comprises the first hole and the second hole, described the first hole and T-shaped connection of described the second hole, described the first hole is parallel with the Width of described crane arm, described the second hole is parallel with the length direction of described crane arm, and described the first hole and described the second hole are waist shaped hole.
Mounting hole is designed to the first hole and second hole of T-shaped connection, seems not only attractive in appearance but also do not affect the normal use of crane arm.The first hole and the second hole are designed to waist shaped hole, are convenient to the installation of lifting rope mouthpiece, and it is little on the impact of crane arm to offer waist shaped hole on crane arm, guaranteed the normal use of crane arm.
In technique scheme, preferably, the described mounting hole of described crane arm arm head one end is the first mounting hole, is the second mounting hole with respect to described crane arm center of gravity and the symmetrically arranged described mounting hole of described the first mounting hole, described the first mounting hole and described the second mounting hole oppositely arrange, and namely the second hole of the second hole of described the first mounting hole and described the second mounting hole is oppositely arranged.
Lifting crane arm required the first mounting hole and the second mounting hole oppositely arranged, when lifting by crane, can guarantee that the lifting rope mouthpiece captives joint with crane arm, guaranteed the reliability of crane arm hanging apparatus.
In technique scheme, preferably, described lifting rope mouthpiece comprises the first bar and the second bar, and an end of described the second bar is fixedly connected on the mid point of described the first bar, makes described the first bar become T shape to be connected with described the second bar; The other end of described the second bar is provided be used to the through hole that connects described lifting rope.
The lifting rope mouthpiece is designed to the first bar and second bar of T-shaped connection, and is simple in structure, and easily processing is convenient to install.
In technique scheme, preferably, described the first bar and described the second bar are cylindrical, and described the first bar and described the second bar are one-body molded.
The first bar and the second bar are designed to cylindrical, be convenient to install, and the smooth wearing and tearing to crane arm of cylindrical surface are little, guaranteed the normal use of crane arm; The first bar and the second bar are one-body molded, and mechanical property is good, are convenient to processing and manufacturing and replacing, can be mass, and reduce costs.
In technique scheme, preferably, the length of described the first bar is greater than the aperture in described the second hole; Described the first bar can insert in described the first hole, slide into described the second hole by described the first hole inboard, and it is inboard to be stuck in described the second hole, realizes being connected of described lifting rope mouthpiece and described crane arm.
The length of the first bar is greater than the aperture in the second hole, and during lifting, under the oblique pull effect of lifting rope, the lifting rope mouthpiece can be slided to the centre, and ends at the inboard in the second hole, realizes self-locking, has guaranteed that the lifting rope mouthpiece can not break away from mounting hole.
Second purpose of the present utility model is, a kind of crane arm is provided, be provided with at least two mounting holes on crane arm, described mounting hole is symmetricly set in the both sides of described crane arm center of gravity along described boom length direction, and on the vertical plane of symmetry that is centered close to described crane arm of described mounting hole, described mounting hole is for the lifting rope mouthpiece that the described crane arm hanging apparatus of above-mentioned any one technical scheme is installed; Perhaps, crane arm is provided with at least two lifting rope mouthpiece in the described crane arm hanging apparatus of above-mentioned any one technical scheme, described lifting rope mouthpiece is symmetricly set in the both sides of described crane arm center of gravity along described boom length direction, and on the vertical plane of symmetry that is centered close to described crane arm of described lifting rope mouthpiece.
The 3rd purpose of the present utility model is, a kind of hoisting crane is provided, and is provided with the described crane arm of technique scheme.
In sum, the technical scheme that the utility model provides, can be used for the lifting of a joint crane arm, the lifting of more piece crane arm, also can be used for the lifting of whole crane arm, lifting rope is connected with crane arm by the lifting rope mouthpiece, avoided in dismounting crane arm process making because of the friction drag impact lifting position of lifting rope off-target, also avoided installing in large arm process the large vertical plane of symmetry of arm simultaneously and deflection occurred and be difficult to adjust; The structure design of mounting hole makes in lifting during crane arm, does not need to adjust the lifting rope position, can be directly used in the lifting crane arm after installing lifting rope, has improved and has installed or the efficient of dismounting crane arm.
Description of drawings
Fig. 1 is the use view according to crane arm hanging apparatus one embodiment described in the utility model;
Fig. 2 is the structural representation of lifting rope mouthpiece in crane arm hanging apparatus shown in Figure 1;
Fig. 3 is that schematic diagram is looked on the left side of Fig. 2;
Fig. 4 is the structural representation of crane arm shown in Fig. 1;
Fig. 5 is the enlarged diagram of A section in Fig. 4;
Fig. 6 is the structural representation that in crane arm hanging apparatus shown in Figure 1, the lifting rope mouthpiece is arranged on crane arm;
Fig. 7 is the enlarged diagram of B section in Fig. 6.
Wherein, in Fig. 1 to Fig. 7, the corresponding relation between Reference numeral and component names is:
1 lifting rope, 2 lifting rope mouthpiece, 21 first bars, 22 second bars, 221 through holes, 3 crane arms,
31 mounting holes, 311 first holes, 312 second holes.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.Need to prove, in the situation that do not conflict, the application's embodiment and the feature in embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
As Fig. 1 and shown in Figure 6, the utility model provides a kind of crane arm hanging apparatus, comprises lifting rope 1 and at least two lifting rope mouthpiece 2, and lifting rope mouthpiece 2 can be connected with crane arm 3, and lifting rope 1 can be connected with lifting rope mouthpiece 2.
Lifting rope is connected with crane arm by the lifting rope mouthpiece, has avoided making because of the friction drag impact in dismounting crane arm process the lifting position of lifting rope off-target, has also avoided installing in large arm process greatly the vertical plane of symmetry of arm simultaneously and deflection occurred and be difficult to adjustment.
As Fig. 2, Fig. 4 and shown in Figure 6, further, preferably, the first embodiment that the utility model provides is that lifting rope mouthpiece 2 is removably mounted on crane arm 3.
Adopt the lifting rope mouthpiece to be removably mounted on this connection mode on crane arm, when needs dismounting or installation crane arm, the lifting rope mouthpiece is arranged on crane arm, after to be removed or installation, with its dismounting, make its normal operation that does not affect crane arm, guaranteed simultaneously lifting rope mouthpiece service life.
As Fig. 4 and shown in Figure 6, in the above-described embodiments, preferably, be provided with at least two mounting holes 31 on crane arm 3, mounting hole 31 is symmetricly set in the both sides of crane arm 3 centers of gravity along crane arm 3 length directions, and on the vertical plane of symmetry that is centered close to crane arm 3 of mounting hole 31, lifting rope mouthpiece 2 is removably mounted on crane arm 3 by mounting hole 31.
Mounting hole is set on crane arm, the lifting mouthpiece is connected with crane arm by mounting hole, the structure design of mounting hole, make when the lifting crane arm, do not need to adjust the lifting rope position, can be directly used in the lifting crane arm after installing lifting rope, improve and installed or the efficient of dismounting crane arm, and the situation of crane arm deflection occurs when having avoided crane arm is installed.
As shown in Figure 4 and Figure 5, in the above-described embodiments, preferably, mounting hole 31 comprises the first hole 311 and the second hole 312, the first hole 311 is with second hole 312 is T-shaped is communicated with, the first hole 311 is parallel with the Width of crane arm 3, and the second hole 312 is parallel with the length direction of crane arm 3, and the first hole 311 and the second hole 312 are waist shaped hole.
Mounting hole is designed to the first hole and second hole of T-shaped connection, seems not only attractive in appearance but also do not affect the normal use of crane arm.
Certainly, mounting hole can be also other structures, as long as satisfy the operating needs of crane arm hanging apparatus and do not affect the crane arm normal operation.
The first hole and the second hole are designed to waist shaped hole, are convenient to the installation of lifting rope mouthpiece, and it is little on the impact of crane arm to offer waist shaped hole on crane arm, guaranteed the normal use of crane arm.
Certainly, the first hole and the second hole can be also the holes of other shapes, as long as satisfy the operating needs of crane arm hanging apparatus and do not affect the crane arm normal operation.
In the above-described embodiments, preferably, the mounting hole 31 of crane arm 3 arm head one ends is the first mounting hole, is the second mounting hole with respect to crane arm 3 centers of gravity and the symmetrically arranged mounting hole 31 of the first mounting hole, the first mounting hole and the second mounting hole oppositely arrange, and namely the second hole 312 of the second hole 312 of the first mounting hole and the second mounting hole is oppositely arranged.
Lifting crane arm required the first mounting hole and the second mounting hole oppositely arranged, when lifting by crane, can guarantee that the lifting rope mouthpiece captives joint with crane arm, guaranteed the reliability of crane arm hanging apparatus.
In the above-described embodiments, as shown in Figures 2 and 3, preferably, lifting rope mouthpiece 2 comprises that an end of the first bar 21 and the second bar 22, the second bars 22 is fixedly connected on the mid point of the first bar 21, is connected 22 one-tenth T shapes of the first bar 21 and the second bar; The other end of the second bar 22 is provided with for the through hole 221 that connects lifting rope 1.
Further, preferably, the first bar 21 and the second bar 22 are cylindrical, and the first bar 21 and the second bar 22 are one-body molded.
The lifting rope mouthpiece is designed to the first bar and second bar of T-shaped connection, and is simple in structure, and easily processing is convenient to install.
Certainly, the lifting rope mouthpiece can be also other structures, as long as can be used in conjunction with mounting hole, satisfies the operating needs of crane arm hanging apparatus and do not affect the crane arm normal operation getting final product.
The first bar and the second bar are designed to cylindrical, be convenient to install, and the smooth wearing and tearing to crane arm of cylindrical surface are little, guaranteed the normal use of crane arm.
Certainly, the first bar and the second bar can be also other versions, as long as can be used in conjunction with mounting hole, satisfy the operating needs of crane arm hanging apparatus and do not affect the crane arm normal operation getting final product.
The first bar and the second bar are one-body molded, and mechanical property is good, are convenient to processing and manufacturing and replacing, can be mass, and reduce costs.
As shown in Figure 6 and Figure 7, further, preferably, the length of the first bar 21 is greater than the aperture in the second hole 312; The first bar 21 can insert in the first hole 311, slides into 312 inboards, the second hole by the first hole 311, and is stuck in 312 inboards, the second hole, realizes being connected of lifting rope mouthpiece 2 and crane arm 3.
The length of the first bar is greater than the aperture in the second hole, and during lifting, under the oblique pull effect of lifting rope, the lifting rope mouthpiece can be slided to the centre, and ends at the inboard in the second hole, realizes self-locking, has guaranteed that the lifting rope mouthpiece can not break away from mounting hole.
The use procedure of the crane arm hanging apparatus that the utility model provides is as follows:
Lifting rope mouthpiece as shown in Figures 2 and 3, during the dismounting crane arm, as shown in Figure 6, lifting rope mouthpiece 2 is arranged on the corresponding mounting hole 31 places of frid upper surface on crane arm 3, quantity and the position of mounting hole 31 arrange as required, and (along crane arm 3 brachium directions, center of gravity can be the center of gravity of a certain joint arm but must make the mid point of two mounting holes 31 and center-of-gravity position, can be also the center of gravity of single oil cylinder) overlap, and opposite with mounting hole 31 arranged direction of back near the mounting hole 31 at arm head place.As shown in Figure 4, be furnished with three mounting holes 31 on crane arm 3, when using the first two mounting hole 31, can be used for lifting separately a certain joint arm, the most front and during latter two mounting hole 31 when use, can be used for once lifting the more piece crane arm.
Fig. 1 is the use view according to crane arm hanging apparatus one embodiment described in the utility model.As shown in Figure 1, during lifting crane arm 3, lifting rope mouthpiece 2 is under the oblique pull effect of lifting rope 1, can slide to the centre, and finally stop at 312 inboards, the second hole of mounting hole 31, realize self-locking, when lifting like this, lifting rope mouthpiece 2 can not break away from mounting hole 31, after crane arm 3 installs, should take out lifting rope mouthpiece 2.
Be placed in due to mounting hole on the vertical plane of symmetry of crane arm, and the mid point of two mounting holes overlaps with center of gravity, therefore when lifting, as long as install lifting rope, hang up properly suspension hook, can use auxiliary hoist to lift, and the vertical plane of symmetry of crane arm is vertical with horizontal surface, when like this crane arm being installed, can guaranteeing that the vertical plane of symmetry between every joint arm overlaps, thereby avoid the generation of deflection.
The second embodiment that the utility model provides is that lifting rope mouthpiece 2 is fixedly mounted on (not shown) on crane arm 3.
The shape of lifting rope mouthpiece can be arbitrary structures, the normal use that only need satisfy the crane arm hanging apparatus gets final product, but the lifting rope mouthpiece is symmetricly set in the both sides of crane arm center of gravity along the boom length direction, and on the vertical plane of symmetry that is centered close to crane arm of lifting rope mouthpiece.
Adopt the lifting rope mouthpiece to be fixedly mounted on this connection mode on crane arm, the lifting rope mouthpiece is captiveed joint with crane arm, need not to install or dismounting lifting rope mouthpiece, has saved the time of installing or dismantling the lifting rope mouthpiece.
As Fig. 4 and shown in Figure 6, the 3rd embodiment of the present utility model, a kind of crane arm is provided, be provided with at least two mounting holes 31 on crane arm 3, mounting hole 31 is symmetricly set in the both sides of crane arm 3 centers of gravity along crane arm 3 length directions, and on the vertical plane of symmetry that is centered close to crane arm 3 of mounting hole 31, mounting hole 31 is used for installing as the lifting rope mouthpiece 2 in the crane arm hanging apparatus of claim 1 to 8 any one; Perhaps, crane arm 3 is provided with at least two as the lifting rope mouthpiece 2 in the crane arm hanging apparatus of any one in claim 1 to 8, lifting rope mouthpiece 2 is symmetricly set in the both sides of crane arm 3 centers of gravity along crane arm 3 length directions, and on the vertical plane of symmetry that is centered close to crane arm 3 of lifting rope mouthpiece 2.
As shown in Figure 1, the 4th embodiment of the present utility model provides a kind of hoisting crane, is provided with the crane arm that above-described embodiment provides.
In sum, the technical scheme that the utility model provides, can be used for the lifting of a joint crane arm, the lifting of more piece crane arm, also can be used for the lifting of whole crane arm, lifting rope is connected with crane arm by the lifting rope mouthpiece, avoided in dismounting crane arm process making because of the friction drag impact lifting position of lifting rope off-target, also avoided installing in large arm process the large vertical plane of symmetry of arm simultaneously and deflection occurred and be difficult to adjust; The structure design of mounting hole makes in lifting during crane arm, does not need to adjust the lifting rope position, can be directly used in the lifting crane arm after installing lifting rope, has improved and has installed or the efficient of dismounting crane arm.
In the utility model, term " first ", " second " only are used for the purpose of description, and can not be interpreted as indication or hint relative importance; Unless clear and definite regulation and restriction are separately arranged, broad understanding all should be done in the terms such as term " installation ", " connection ", " fixing ", for example, can be captive joint, can be also to removably connect, or connect integratedly; Can be directly to be connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and 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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a crane arm hanging apparatus, is characterized in that, comprises lifting rope (1) and at least two lifting rope mouthpiece (2), and described lifting rope mouthpiece (2) can be connected with described crane arm (3), and described lifting rope (1) can be connected with described lifting rope mouthpiece (2).
2. crane arm hanging apparatus according to claim 1, is characterized in that, described lifting rope mouthpiece (2) is removably mounted on described crane arm (3), and perhaps, described lifting rope mouthpiece (2) is fixedly mounted on described crane arm (3).
3. crane arm hanging apparatus according to claim 2, it is characterized in that, be provided with at least two mounting holes (31) on described crane arm (3), described mounting hole (31) is symmetricly set in the both sides of described crane arm (3) center of gravity along described crane arm (3) length direction, and on the vertical plane of symmetry that is centered close to described crane arm (3) of described mounting hole (31), described lifting rope mouthpiece (2) is removably mounted on described crane arm (3) by described mounting hole (31).
4. crane arm hanging apparatus according to claim 3, it is characterized in that, described mounting hole (31) comprises the first hole (311) and the second hole (312), described the first hole (311) and T-shaped connection of described the second hole (312), described the first hole (311) is parallel with the Width of described crane arm (3), described the second hole (312) is parallel with the length direction of described crane arm (3), and described the first hole (311) and described the second hole (312) are waist shaped hole.
5. crane arm hanging apparatus according to claim 4, it is characterized in that, the described mounting hole (31) of described crane arm (3) arm head one end is the first mounting hole, is the second mounting hole with respect to described crane arm (3) center of gravity and the symmetrically arranged described mounting hole of described the first mounting hole (31), described the first mounting hole and described the second mounting hole oppositely arrange, and namely second hole (312) of described the first mounting hole is oppositely arranged with second hole (312) of described the second mounting hole.
6. crane arm hanging apparatus according to claim 5, it is characterized in that, described lifting rope mouthpiece (2) comprises the first bar (21) and the second bar (22), one end of described the second bar (22) is fixedly connected on the mid point of described the first bar (21), makes described the first bar (21) and described the second bar (22) become T shape to be connected; The other end of described the second bar (22) is provided be used to the through hole that connects described lifting rope (1) (221).
7. crane arm hanging apparatus according to claim 6, is characterized in that, described the first bar (21) and described the second bar (22) are cylindrical, and described the first bar (21) is one-body molded with described the second bar (22).
8. crane arm hanging apparatus according to claim 7, is characterized in that, the length of described the first bar (21) is greater than the aperture in described the second hole (312); Described the first bar (21) can insert in described the first hole (311), slide into inboard, described the second hole (312) by described the first hole (311), and be stuck in inboard, described the second hole (312), realize being connected of described lifting rope mouthpiece (2) and described crane arm (3).
9. crane arm, it is characterized in that, be provided with at least two mounting holes (31) on crane arm (3), described mounting hole (31) is symmetricly set in the both sides of described crane arm (3) center of gravity along described crane arm (3) length direction, and on the vertical plane of symmetry that is centered close to described crane arm (3) of described mounting hole (31), described mounting hole (31) is used for installing the lifting rope mouthpiece (2) in crane arm hanging apparatus as described in claim 1 to 8 any one; Perhaps, crane arm (3) is provided with at least two lifting rope mouthpiece (2) in crane arm hanging apparatus as described in any one in claim 1 to 8, described lifting rope mouthpiece (2) is symmetricly set in the both sides of described crane arm (3) center of gravity along described crane arm (3) length direction, and on the vertical plane of symmetry that is centered close to described crane arm (3) of described lifting rope mouthpiece (2).
10. a hoisting crane, is characterized in that, is provided with crane arm as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706570 CN203021164U (en) | 2012-12-19 | 2012-12-19 | Crane boom hoisting device, crane boom and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706570 CN203021164U (en) | 2012-12-19 | 2012-12-19 | Crane boom hoisting device, crane boom and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203021164U true CN203021164U (en) | 2013-06-26 |
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ID=48645160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220706570 Expired - Fee Related CN203021164U (en) | 2012-12-19 | 2012-12-19 | Crane boom hoisting device, crane boom and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203021164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758529A (en) * | 2017-11-27 | 2018-03-06 | 深圳龙海特机器人科技有限公司 | Crane arm and hoisting apparatus |
-
2012
- 2012-12-19 CN CN 201220706570 patent/CN203021164U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758529A (en) * | 2017-11-27 | 2018-03-06 | 深圳龙海特机器人科技有限公司 | Crane arm and hoisting apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20201219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |