CN111377368A - Super-lifting counterweight tray structure and crane - Google Patents
Super-lifting counterweight tray structure and crane Download PDFInfo
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- CN111377368A CN111377368A CN202010318400.2A CN202010318400A CN111377368A CN 111377368 A CN111377368 A CN 111377368A CN 202010318400 A CN202010318400 A CN 202010318400A CN 111377368 A CN111377368 A CN 111377368A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
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Abstract
A super-lift counterweight tray structure and a crane relate to the technical field of cranes. This super-lift counterweight tray structure includes counterweight tray body and can dismantle the basket of hanging of connection in counterweight tray body both sides relatively respectively, and counterweight tray body's top surface and the top surface of hanging the basket are parallel and level each other and form jointly and place the face, place the face and be used for placing the balancing weight. This super-lift counter weight tray structure and hoist can be applicable to 1000 tons to 1600 tons of crawler crane's super-lift operating mode.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a super-lift counterweight tray structure and a crane.
Background
At present, almost all crawler cranes between 400 tons and 4000 tons have belt super-lift working conditions, and the lifting capacity is greatly improved after the belt super-lift working conditions are adopted. For a crawler crane needing to be provided with a super-lifting counterweight below kiloton level, the conventional method in the industry is to arrange a row of super-lifting counterweight blocks on a super-lifting counterweight tray in sequence, and the number of the counterweight blocks is selected according to the requirement of working conditions; for the crawler crane with ultra-large tonnage (more than 1600 tons) and needing the super-lifting counterweight, special super-lifting counterweight devices, such as a super-lifting counterweight trolley and the like, need to be designed, and the devices have the advantages of large volume, complex structure, high cost and no general design method and can only be used on exclusive vehicle types.
For a crawler crane with a super-lift counterweight and required for 1000-1600 tons, the performance requirement cannot be met due to the fact that a sufficient number of counterweights cannot be placed according to the method of a vehicle type below kiloton level; if a special super-lift counterweight device is designed according to the method of super-tonnage vehicle models, the cost is overhigh.
Disclosure of Invention
The invention aims to provide a super-lift counterweight tray structure and a crane, which can be suitable for super-lift working conditions of a crawler crane of 1000-1600 tons.
The embodiment of the invention is realized by the following steps:
on one aspect of the embodiment of the invention, the super-lift counterweight tray structure comprises a counterweight tray body and hanging baskets detachably connected to two opposite sides of the counterweight tray body respectively, the top surface of the counterweight tray body and the top surface of the hanging baskets are mutually flush and form a placing surface together, and the placing surface is used for placing a counterweight block. This super-lift counter weight tray structure can be applicable to 1000 tons to 1600 tons of crawler crane's super-lift operating mode.
Optionally, in a preferred embodiment of the present invention, the counterweight tray body includes a first tray, a second tray, and a third tray arranged in parallel, and the hanging baskets include four hanging baskets, two of the hanging baskets are respectively connected to two opposite sides of the first tray, and the other two hanging baskets are respectively connected to two opposite sides of the third tray.
Optionally, in a preferred embodiment of the present invention, the hanging basket further includes a connecting assembly, the connecting assembly includes two first connecting plates disposed on the sidewall of the counterweight tray body at intervals, a second connecting plate disposed on the sidewall of the hanging basket, and a pin, the first connecting plate is provided with a first mounting hole, the second connecting plate is provided with a second mounting hole, the second connecting plate is clamped between the two first connecting plates, and the pin passes through the first mounting hole and the second mounting hole, so that the counterweight tray body is connected with the hanging basket.
Optionally, in a preferred embodiment of the present invention, the first mounting hole has an opening, and the opening is located at the top of the first connecting plate.
Optionally, in a preferred embodiment of the present invention, a plurality of anti-collision blocks are disposed on a side wall of the counterweight tray body, and the anti-collision blocks are sandwiched between the counterweight tray body and the cradle.
Optionally, in a preferred embodiment of the present invention, along a connection line between the first tray and the third tray, a length of the first tray, a length of the third tray, and a length of the hanging basket are respectively equal, and the length of the first tray is greater than a length of the weight block.
Optionally, in a preferred embodiment of the present invention, along a direction perpendicular to a connection line between the first tray and the third tray, a width of the first tray is equal to a width of the third tray, the width of the first tray is greater than a width of the weight block, and a sum of the width of the first tray and the widths of the two hanging baskets is greater than a sum of the widths of the two weight blocks.
Optionally, in a preferred embodiment of the present invention, a first guide post is disposed on the counterweight tray body, a second guide post is disposed on the hanging basket, and the first guide post and the second guide post are matched with each other to guide and limit the counterweight block.
Optionally, in a preferred embodiment of the present invention, the hanging basket is made of steel.
In another aspect of the embodiments of the present invention, a crane is provided, which includes the superlift counterweight tray structure. This super-lift counter weight tray structure can be applicable to 1000 tons to 1600 tons of crawler crane's super-lift operating mode.
The embodiment of the invention has the beneficial effects that:
this super-lift counterweight tray structure includes counterweight tray body and hangs the basket, and wherein, the basket of hanging that sets up in pairs can dismantle the relative both sides of connection at counterweight tray body respectively, and counterweight tray body's top surface and the mutual parallel and level of top surface of hanging the basket, can form the face of placing that is used for placing the balancing weight jointly. Through increasing the basket of hanging in the relative both sides of counter weight tray body, can be so that compare in the length or the width of counter weight tray body, the top surface of counter weight tray body and the top surface of hanging the basket form the length or the width of placing the face and obtain increasing to make and compare in counter weight tray body, the face of placing can place more balancing weights, and then make super lift counter weight tray structure can be applicable to 1000 tons to 1600 tons of crawler crane's super operating mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a super-lift weight pallet structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a cradle in a super-lift counterweight tray structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a first connecting plate and an anti-collision block in a super-lift counterweight tray structure according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a first tray and a hanging basket in a super-lift counterweight tray structure provided by an embodiment of the present invention;
FIG. 5 is a schematic structural view of a super-lift counterweight tray structure according to an embodiment of the present invention for placing a single row of counterweights;
fig. 6 is a schematic structural diagram of a super-lift counterweight tray structure provided in the embodiment of the present invention, in which a double row of counterweights are placed.
Icon: 100-super lift weight pallet configuration; 10-a counterweight tray body; 11-a first tray; 12-a second tray; 13-a third tray; 14. 14A, 14B, 14C — a first guide post; 20-hanging a basket; 21. 21A, 21B-a second guide post; 31-a first connection plate; 311-first mounting hole; 32-a second connecting plate; 321-a second mounting hole; 40-a crash block; 200-balancing weight.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1, the embodiment provides a super-lift counterweight tray structure 100, which includes a counterweight tray body 10 and hanging baskets 20 detachably connected to two opposite sides of the counterweight tray body 10, wherein the top surface of the counterweight tray body 10 and the top surface of the hanging baskets 20 are parallel and level to each other and form a placing surface together, and the placing surface is used for placing a counterweight 200. This super-lift counterweight tray structure 100 can be applicable to 1000 tons to 1600 tons of crawler crane's super-lift operating mode.
It should be noted that, firstly, the hanging baskets 20 are added on the two opposite sides of the counterweight tray body 10, so that the length or width of the placing surface formed by the top surface of the counterweight tray body 10 and the top surface of the hanging baskets 20 is increased compared with the length or width of the counterweight tray body 10, and therefore, compared with the counterweight tray body 10, more counterweight blocks 200 can be placed on the placing surface, and the superlift counterweight tray structure 100 can be suitable for the superlift working condition of the crawler crane with 1000 tons to 1600 tons.
Second, through hanging basket 20 detachably connect in the relative both sides of counter weight tray body 10, can make super lift counter weight tray structure 100 can be according to operating condition, install or dismantle basket 20 in a flexible way to make the hoist be convenient for operate, can also avoid the width restriction of 3.5 meters global transportation simultaneously.
Thirdly, considering the stability of the super-lift weight tray structure 100, the baskets 20 need to be installed in pairs (or the number of the baskets 20 needs to be even) on the opposite sides of the weight tray body 10, cannot be installed individually (or the number of the baskets 20 cannot be odd), or are installed on the two sides without relative position relationship, so as to avoid the shift of the center of gravity of the super-lift weight tray structure 100, which may cause the crane to be inclined or even topple.
To sum up, this super-lift counterweight tray structure 100 includes counterweight tray body 10 and hangs basket 20, and wherein, the basket 20 of hanging that sets up in pairs can dismantle the relative both sides of connection at counterweight tray body 10 respectively, and counterweight tray body 10's top surface and the mutual parallel and level of top surface of hanging basket 20 can form the face of placing that is used for placing balancing weight 200 jointly. Through increasing string basket 20 in the relative both sides of counter weight tray body 10, can be so that compare in the length or the width of counter weight tray body 10, the length or the width that the top surface of counter weight tray body 10 and the top surface of hanging basket 20 formed the face of placing is increased to the feasible face of placing can place more balancing weights 200 in comparing counter weight tray body 10, and then makes super lift counter weight tray structure 100 can be applicable to 1000 tons to 1600 tons of crawler crane's super lift operating mode.
Specifically, as shown in fig. 1, in the present embodiment, the counterweight tray body 10 includes a first tray 11, a second tray 12, and a third tray 13 arranged in parallel, and the hanging baskets 20 include four hanging baskets 20, two of the hanging baskets 20 are respectively connected to two opposite sides of the first tray 11, and the other two hanging baskets 20 are respectively connected to two opposite sides of the third tray 13. Wherein, because first tray 11, second tray 12 and third tray 13 set up side by side, therefore, first tray 11 can set up the relative both sides of hanging basket 20, and third tray 13 can set up the relative both sides of hanging basket 20, can be the sole definite in fact, be promptly in the line direction along the first tray 11 of perpendicular to and third tray 13, can make the width that compares in counter weight tray body 10 through increasing hanging basket 20, the width of the plane of placing that counter weight tray body 10 and hanging basket 20 formed is increased, thereby make and compare in counter weight tray body 10, the plane of placing can place more balancing weights 200, and then make super lift counter weight tray structure 100 can be applicable to the super-lift operating mode of 1000 tons to 1600 tons of crawler crane.
In addition, since masts are further provided between the first tray 11 and the second tray 12 and between the second tray 12 and the third tray 13, a placement surface formed by the weight tray body 10 and the hanging baskets 20 can be actually divided into a first placement surface formed by the top surface of the first tray 11 and the top surfaces of the two hanging baskets 20, a second placement surface formed by the top surface of the second tray 12, and a third placement surface formed by the top surface of the third tray 13 and the top surfaces of the two hanging baskets 20.
Of course, in other embodiments, the hanging baskets 20 may also include six hanging baskets, two hanging baskets 20 are respectively connected to two opposite sides of the first tray 11, the other two hanging baskets 20 are respectively connected to two opposite sides of the second tray 12, and the last two hanging baskets 20 are respectively connected to two opposite sides of the third tray 13, that is, in the direction perpendicular to the connecting line between the first tray 11 and the third tray 13, the width of the placement surface formed by the counterweight tray body 10 and the hanging baskets 20 is increased compared with the width of the counterweight tray body 10 by adding the hanging baskets 20, so that more counterweights 200 can be placed on the placement surface compared with the counterweight tray body 10. However, the cradle 20 includes six super-lift weight tray structures 100, and there may be a disadvantage that the cradle 20 connected to opposite sides of the second tray 12 and the masts connected to the other opposite sides of the second tray 12 are easily interfered with, compared to the super-lift weight tray structure 100 in which the cradle 20 includes four.
Still alternatively, the hanging baskets 20 may also include two hanging baskets 20, where the two hanging baskets 20 are respectively connected to a side of the first tray 11 away from the third tray 13 and a side of the third tray 13 away from the first tray 11, that is, in a connecting line direction along the first tray 11 and the third tray 13, by increasing the hanging baskets 20, a length of a placing surface formed by the counterweight tray body 10 and the hanging baskets 20 is increased compared with a length of the counterweight tray body 10, so that more counterweight blocks 200 can be placed on the placing surface compared with the counterweight tray body 10. However, the cradle 20 includes two super-lift weight tray structures 100, and compared to the cradle 20 including four super-lift weight tray structures 100, there is a disadvantage that the length of the placement surface is too long, which may cause inconvenience in operation of the crane.
Regarding the detachable connection mode of the hanging basket 20 and the counterweight tray body 10, please refer to fig. 2 and fig. 3 in combination, in this embodiment, the superlift counterweight tray structure 100 further includes a connection assembly, the connection assembly includes two first connection plates 31 disposed on the side walls of the counterweight tray body 10 at intervals, a second connection plate 32 disposed on the side walls of the hanging basket 20, and a pin, the first connection plate 31 is provided with a first mounting hole 311, the second connection plate 32 is provided with a second mounting hole 321, the second connection plate 32 is clamped between the two first connection plates 31, and the pin passes through the first mounting hole 311 and the second mounting hole 321, so that the counterweight tray body 10 is connected with the hanging basket 20. The number of the connecting assemblies may include a plurality, such as two, three, etc., and those skilled in the art should be able to select and design properly according to the length and mass of the hanging basket 20 to ensure the stability of the connection between the hanging basket 20 and the weight tray body 10. In order to have sufficient load-bearing strength, in the embodiment, the hanging basket 20 is made of steel, and can be made of section steel or steel plate.
Considering the weight of the cradle 20 itself, the cradle 20 tends to move downward under the action of gravity, in order to make the cradle 20 hang on the counterweight tray body 10, the second connecting plate 32 and the first connecting plate 31 are more easily clamped, and the pin shaft more easily passes through the first mounting hole 311 and the second mounting hole 321, as shown in fig. 3, in this embodiment, the first mounting hole 311 has an opening, and the opening is located at the top of the first connecting plate 31.
In addition, in order to avoid collision of the cradle 20 with the weight tray body 10 under the action of gravity, as shown in fig. 3, in the present embodiment, a plurality of crash blocks 40 are further provided on the side wall of the weight tray body 10, and the crash blocks 40 are interposed between the weight tray body 10 and the cradle 20. In order to avoid the interference between the second mounting plate on the cradle 20 and the counterweight tray body 10 when the cradle 20 is hung on the counterweight tray body 10, in this embodiment, an avoiding hole is further formed on the top surface of the counterweight tray body 10.
Referring to fig. 4 and 5, in this embodiment, along the connecting line direction of the first tray 11 and the third tray 13, the length of the first tray 11, the length of the third tray 13, and the length of the hanging basket 20 are respectively equal, so that the first placement surface formed by the top surface of the first tray 11 and the top surface of the hanging basket 20, and the third placement surface formed by the top surface of the third tray 13 and the top surface of the hanging basket 20 have the advantages of regular shape and strong integrity, and because the length of the first tray 11 is greater than the length of the counterweight 200, the counterweight 200 can be arranged in a single row, and further, the crane with the hanging basket 20 added and the crane with the counterweight 200 placed have the advantage of stable center of gravity.
Referring to fig. 6 again, in this embodiment, along a direction perpendicular to a connection line between the first tray 11 and the third tray 13, a width of the first tray 11 is equal to a width of the third tray 13, the width of the first tray 11 is greater than a width of the counterweight 200, so that a first distribution plane formed by the top surface of the first tray 11 and the top surface of the hanging basket 20 and a third distribution plane formed by the top surface of the third tray 13 and the top surface of the hanging basket 20 have advantages of regular shape and strong integrity, and since a sum of the width of the first tray 11 and the widths of the two hanging baskets 20 is greater than a sum of the widths of the two counterweights 200, the counterweight 200 can be arranged, and thus, a crane with the hanging basket 20 added and a crane with the counterweight 200 placed have advantages of stable center of gravity.
In order to avoid the counterweight 200 being displaced or deflected after being placed on the placing surface in the working process of the crane, as shown in fig. 1 to 6, in this embodiment, the counterweight tray body 10 is further provided with a first guide post 14, the hanging basket 20 is further provided with a second guide post 21, and the first guide post 14 and the second guide post 21 are mutually matched to guide and limit the counterweight 200.
The guiding and limiting functions of the first guiding column 14 and the second guiding column 21 will be explained below in connection with two arrangements of the counterweight 200, namely, a single-row arrangement and a double-row arrangement, and the following description is only used as an example for explanation and should not be used to limit the placement of the counterweight 200. For convenience of description, the first guide post 14 includes a first guide post 14A, a first guide post 14B, and a first guide post 14C, and the second guide post 21 includes a second guide post 21A and a second guide post 21B. It should be noted that the specific positions of the first guiding column 14 and the second guiding column 21 should be designed according to the position of the guiding hole of the counterweight 200, for example, the first guiding column 14A and the first guiding column 14C are disposed on both sides of the counterweight 200 with the first guiding column 14B as the symmetry center, and the distance L between the first guiding column 14A and the first guiding column 14C is equal to the sum of the width of the counterweight 200 and the spacing width, wherein the spacing width is generally 200mm by default.
For example, when the number of the clump weights 200 to be placed is relatively small, a single row arrangement (1+1+1) form as shown in fig. 5 may be adopted, that is, a row of clump weights 200 are placed on each of the first tray 11, the second tray 12 and the third tray 13, the axis of the middle clump weight 200 and the axes of the clump weights 200 on the left and right sides may be perpendicular to each other, at this time, the clump weights 200 on the left and right sides may be guided and positioned by using the first guide post 14B, and the first guide post 14A and the first guide post 14C play a role in stopping and limiting, so that the displacement or deflection of the clump weights 200 is avoided, and thus the balancing weight is ensured to be stable. Under such conditions, the cradle 20 can be selectively removed to avoid the width limitation of 3.5 meters for global transportation, thereby reducing transportation costs.
For example, when the number of the clump weights 200 to be placed is relatively large, a form of double-row arrangement (2+1+2) as shown in fig. 6 may be adopted, that is, two rows of clump weights 200 are placed on each of the first tray 11 and the third tray 13, one row of clump weights 200 are placed on the second tray 12, an axis of the middle clump weight 200 and axes of the clump weights 200 on the left and right sides may be perpendicular to each other, at this time, the second guide column 21A and the first guide column 14A may be matched with each other to perform a guiding and positioning function on the clump weight 200 above, and the first guide column 14C and the second guide column 21B may be matched with each other to perform a guiding and positioning function on the clump weight 200 below, so as to sufficiently avoid displacement or deflection of the clump weight 200.
It should be noted that the above directional descriptors such as middle, left, right, upper, lower, etc. are only used as a simplified description for the directions shown in fig. 5 and 6, and do not play a limiting role.
The application also provides a crane. The crane provided by the embodiment comprises the superlift counterweight tray structure 100. Since the structure and advantageous effects of the super lift weight tray structure 100 have been described in detail in the foregoing embodiments, no further description is provided herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a super counter weight tray structure, its characterized in that includes counter weight tray body and can dismantle respectively to be connected the basket of hanging of the relative both sides of counter weight tray body, the top surface of counter weight tray body with the top surface of hanging the basket is parallel and level each other and forms jointly and places the face, it is used for placing the balancing weight to place the face.
2. The super-lift counterweight tray structure as claimed in claim 1, wherein said counterweight tray body comprises a first tray, a second tray and a third tray arranged in parallel, said hanging baskets comprise four, two of said hanging baskets are respectively connected to two opposite sides of said first tray, and the other two of said hanging baskets are respectively connected to two opposite sides of said third tray.
3. The super-lift counterweight tray structure according to claim 1, further comprising a connecting assembly, wherein the connecting assembly comprises two first connecting plates arranged on the side wall of the counterweight tray body at intervals, a second connecting plate arranged on the side wall of the hanging basket, and a pin, the first connecting plate is provided with a first mounting hole, the second connecting plate is provided with a second mounting hole, the second connecting plate is clamped between the two first connecting plates, and the pin passes through the first mounting hole and the second mounting hole, so that the counterweight tray body is connected with the hanging basket.
4. The superlift weight tray structure of claim 3, wherein the first mounting hole has an opening that is located at the top of the first connecting plate.
5. The super-lift counterweight tray structure according to claim 1, wherein a plurality of anti-collision blocks are arranged on the side wall of the counterweight tray body, and the anti-collision blocks are clamped between the counterweight tray body and the hanging basket.
6. The superlift counterweight tray structure of claim 2, wherein along a direction of a line connecting the first tray and the third tray, a length of the first tray, a length of the third tray, and a length of the hanging basket are respectively equal, and the length of the first tray is greater than a length of the counterweight.
7. The super-lift counterweight tray structure of claim 6, wherein the width of said first tray is equal to the width of said third tray along a direction perpendicular to the line connecting said first tray and said third tray, said width of said first tray is greater than the width of said counterweight block, and the sum of the width of said first tray and the width of said two hanging baskets is greater than the sum of the widths of said two counterweight blocks.
8. The super-lift counterweight tray structure according to claim 1, wherein a first guide post is arranged on the counterweight tray body, a second guide post is arranged on the hanging basket, and the first guide post and the second guide post are matched with each other for guiding and limiting the counterweight.
9. The superlift counterweight tray structure of claim 1, wherein the cradle is made of steel.
10. A crane comprising a superlift counterweight tray structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318400.2A CN111377368A (en) | 2020-04-21 | 2020-04-21 | Super-lifting counterweight tray structure and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318400.2A CN111377368A (en) | 2020-04-21 | 2020-04-21 | Super-lifting counterweight tray structure and crane |
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| Publication Number | Publication Date |
|---|---|
| CN111377368A true CN111377368A (en) | 2020-07-07 |
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| CN202010318400.2A Pending CN111377368A (en) | 2020-04-21 | 2020-04-21 | Super-lifting counterweight tray structure and crane |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844730A (en) * | 2009-03-27 | 2010-09-29 | 徐工集团工程机械股份有限公司建设机械分公司 | Construction crane and superlift counterweight tray thereof |
| CN101913537A (en) * | 2010-08-09 | 2010-12-15 | 辽宁抚挖重工机械股份有限公司 | Combined turntable of crawler crane |
| JP2012076918A (en) * | 2010-10-06 | 2012-04-19 | Hitachi Sumitomo Heavy Industries Construction Crane Co Ltd | Working machine |
| CN103626055A (en) * | 2013-12-04 | 2014-03-12 | 中联重科股份有限公司 | Counterweight and crane comprising same |
| CN204847916U (en) * | 2015-08-03 | 2015-12-09 | 河南省三马起重机械有限公司 | Balanced device that heavily articulates of hoist |
-
2020
- 2020-04-21 CN CN202010318400.2A patent/CN111377368A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844730A (en) * | 2009-03-27 | 2010-09-29 | 徐工集团工程机械股份有限公司建设机械分公司 | Construction crane and superlift counterweight tray thereof |
| CN101913537A (en) * | 2010-08-09 | 2010-12-15 | 辽宁抚挖重工机械股份有限公司 | Combined turntable of crawler crane |
| JP2012076918A (en) * | 2010-10-06 | 2012-04-19 | Hitachi Sumitomo Heavy Industries Construction Crane Co Ltd | Working machine |
| CN103626055A (en) * | 2013-12-04 | 2014-03-12 | 中联重科股份有限公司 | Counterweight and crane comprising same |
| CN204847916U (en) * | 2015-08-03 | 2015-12-09 | 河南省三马起重机械有限公司 | Balanced device that heavily articulates of hoist |
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Application publication date: 20200707 |
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| RJ01 | Rejection of invention patent application after publication |