CN219136209U - Counterweight device for crane and crane - Google Patents
Counterweight device for crane and crane Download PDFInfo
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- CN219136209U CN219136209U CN202223607841.8U CN202223607841U CN219136209U CN 219136209 U CN219136209 U CN 219136209U CN 202223607841 U CN202223607841 U CN 202223607841U CN 219136209 U CN219136209 U CN 219136209U
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- counterweight
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- weight
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- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The utility model provides a counterweight device for a crane, which comprises a turntable, a counterweight truss, a first counterweight mechanism, a second counterweight mechanism and a third counterweight mechanism, wherein one end of the counterweight truss is connected with the turntable, the other end of the counterweight truss is connected with the first counterweight mechanism, the second counterweight mechanism is arranged between the first counterweight mechanism and the third counterweight mechanism, the second counterweight mechanism is detachably connected with the first counterweight mechanism, and the third counterweight mechanism is detachably connected with the second counterweight mechanism. The utility model aims to provide a counterweight device for a crane, which can quickly switch different counterweight weights, save time and improve working efficiency. The utility model also relates to a crane.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a counterweight device for a crane and the crane.
Background
FIG. 1 is a schematic structural view of a conventional additional counterweight device, as shown in FIG. 1, wherein the conventional additional counterweight device comprises a counterweight truss, a lifting cylinder, a fixed base and a counterweight block, the counterweight truss is fixed on a turntable through a pin shaft, the lifting cylinder is connected between the fixed base and the counterweight truss, and the counterweight block is suspended on the fixed base; because the arm lifting state and the additional weights required under different working conditions are different, when different weights need to be switched, the fixed base needs to be placed on the ground, and then the balancing weights are hoisted one by one on the fixed base until the weights required under different working conditions are met, the working efficiency of the mode is low, and the time is wasted; based on the current situation, a counterweight device is designed, so that different counterweight weights can be rapidly switched, and the working efficiency is improved.
Disclosure of Invention
Accordingly, the present utility model is directed to a counterweight device for a crane, which can rapidly switch different counterweight weights, save time, and improve working efficiency.
The utility model provides a counterweight device for a crane, which comprises a turntable, a counterweight truss, a first counterweight mechanism, a second counterweight mechanism and a third counterweight mechanism, wherein one end of the counterweight truss is connected with the turntable, the other end of the counterweight truss is connected with the first counterweight mechanism, the second counterweight mechanism is arranged between the first counterweight mechanism and the third counterweight mechanism, the second counterweight mechanism is detachably connected with the first counterweight mechanism, and the third counterweight mechanism is detachably connected with the second counterweight mechanism.
In an embodiment, the first counterweight mechanism includes a first frame and a plurality of first counterweights, each of the first counterweights is disposed in the first frame, and the first frame is connected to the second counterweight mechanism through a first connecting member.
In an embodiment, the second counterweight mechanism includes at least two second frames and a plurality of first connecting plates, each of which is respectively disposed in each of the second frames, one end of each of the first connecting plates is connected with the first frame through a first connecting member, and the other end of each of the first connecting plates is connected with the second frame through a second connecting member.
In an embodiment, the second counterweight mechanism further comprises a second connecting plate, one end of the second connecting plate is connected with the second frame body through a third connecting piece, the third counterweight mechanism comprises a third frame body and a plurality of third counterweight blocks, each third counterweight block is arranged in the third frame body, and the other end of the second connecting plate is connected with the third frame body through a fourth connecting piece.
In an embodiment, the counterweight device for the crane further comprises a ground clearance detection switch, and the ground clearance detection switch is fixedly connected to the third frame body.
In an embodiment, the second frame body is arranged along the length direction of the third frame body, the third weight mechanism is provided with an avoidance space, and the second frame body is arranged in the avoidance space.
In an embodiment, the counterweight truss comprises a connecting seat and an oil cylinder, one end of the connecting seat is fixedly connected to the turntable, the other end of the connecting seat is fixedly connected to one end of the oil cylinder, and the other end of the oil cylinder is fixedly connected to the first frame.
In an embodiment, the counterweight truss further includes a plurality of sequentially connected connection assemblies, a head end of the plurality of connection assemblies is detachably connected with the connection base, and a tail end of the plurality of connection assemblies is detachably connected with the turntable.
In an embodiment, the turntable comprises a turntable seat and a variable amplitude pulley block, one end of the variable amplitude pulley block is connected with the turntable seat, and tail ends of the plurality of connecting assemblies are detachably connected with the other end of the variable amplitude pulley block.
The utility model also comprises a crane comprising the counterweight device for the crane.
The counterweight device comprises a first counterweight mechanism, a second counterweight mechanism and a third counterweight mechanism, wherein the first counterweight mechanism is detachably connected with the second counterweight mechanism, the second counterweight mechanism is detachably connected with the third counterweight mechanism, when only the weight of the first counterweight mechanism is needed, the second counterweight mechanism is detached from the first counterweight mechanism, when only the weight of the first counterweight mechanism and the weight of the second counterweight mechanism are needed, only the third counterweight mechanism is detached from the second counterweight mechanism, the installation principle is the same as the detachment principle, so that the rapid switching of the counterweight weight can be realized through the detachment under different working conditions, the time is saved, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a conventional additional weight device.
Fig. 2 is a schematic structural view of the counterweight of the utility model.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is a partially disassembled structural view of the weight device of the present utility model.
Fig. 5 is a partially disassembled structure of the connecting base and the swivel base of the present utility model.
Fig. 6 is a partially disassembled structure of the connection assembly and the turntable of the present utility model.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.
The terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," and the like are used as references to orientations or positional relationships based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships in which the inventive product is conventionally disposed in use, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore are not to be construed as limiting the utility model.
The terms "first," "second," "third," and the like, are merely used for distinguishing between similar elements and not necessarily for indicating or implying a relative importance or order.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements does not include only those elements but may include other elements not expressly listed.
As shown in fig. 2 and 4, the counterweight device for a crane includes a turntable 11, a counterweight truss 12, a first counterweight mechanism 13, a second counterweight mechanism 14, and a third counterweight mechanism 15, one end of the counterweight truss 12 is connected to the turntable 11, the other end of the counterweight truss 12 is connected to the first counterweight mechanism 13, the second counterweight mechanism 14 is provided between the first counterweight mechanism 13 and the third counterweight mechanism 15, the second counterweight mechanism 14 is detachably connected to the first counterweight mechanism 13, and the third counterweight mechanism 15 is detachably connected to the second counterweight mechanism 14. In the present embodiment, the weight of the first weight balance mechanism 13 can be adjusted before use according to the requirement, and the weights of the second weight balance mechanism 14 and the third weight balance mechanism 15 can also be adjusted before use according to the requirement, so that the weight balance device can be rapidly switched between 80t and 180 t.
The weight device comprises a first weight mechanism 13, a second weight mechanism 14 and a third weight mechanism 15, wherein the first weight mechanism 13 is detachably connected with the second weight mechanism 14, the second weight mechanism 14 is detachably connected with the third weight mechanism 15, when only the weight of the first weight mechanism 13 is needed, the second weight mechanism 14 is detached from the first weight mechanism 13, when only the weight of the first weight mechanism 13 and the weight of the second weight mechanism 14 are needed, only the third weight mechanism 15 is detached from the second weight mechanism 14, the installation principle is the same as the detachment principle, so that the weight of the weight can be quickly switched through detachment under different working conditions, the time is saved, and the working efficiency is improved.
Referring to fig. 2 to 4, the first weight mechanism 13 includes a first frame 131 and a plurality of first weights 132, each first weight 132 is disposed on the first frame 131, the weight of the first weight 132 is, for example, 10t or 20t, the first weight 132 is, for example, steel or iron, or the first weight 132 is of a filled structure, for example, concrete or sand, so that the cost can be reduced, the first frame 131 and the second weight mechanism 14 are connected by a first connecting piece 161, for example, a pin shaft, the pin shaft passes through the first frame 131 and the second weight mechanism 14, the pin shaft is provided with a fixing hole, and the spring pin passes through the fixing hole to fix the pin shaft.
With continued reference to fig. 3 and 4, the second weight mechanism 14 includes two second frames 141 and a plurality of first connecting plates 143, where the two second frames 141 are disposed at intervals, the number of the first connecting plates 143 is 8, for example, one end of each first connecting plate 143 is connected to the first frame 131 through a first connecting member 161, the other end of each first connecting plate 143 is connected to the second frame 141 through a second connecting member 162, the second connecting member 162 is, for example, a pin shaft, the pin shaft passes through the first connecting plate 143 and the second frame 141, the pin shaft is provided with a fixing hole, and the spring pin passes through the fixing hole to fix the pin shaft.
In other embodiments, the second weight mechanism 14 includes three second frames 141, and the three second frames 141 are disposed at intervals, which can be selected and designed according to practical requirements.
With continued reference to fig. 2 to 4, the second frame 141 includes a first fixing plate 1411 and a second fixing plate 1412 disposed opposite to each other, the first fixing plate 1411 and the second fixing plate 1412 are disposed along a length direction of the first frame 131, and the first fixing plate 1411 and the second fixing plate 1412 are connected to the respective first connection plates 143. The first connection plate 143 is made of super steel having high strength.
With continued reference to fig. 3, the second weight mechanism 14 further includes 8 second connecting plates 144, where one end of each second connecting plate 144 is connected to the first fixing plate 1411 and the second fixing plate 1412 of the second frame 141 through a third connecting member 163, for example, a pin shaft, the third weight mechanism 15 includes a third frame 151 and a plurality of third weights 152, each third weight 152 is disposed in the third frame 151, and the other end of each second connecting plate 144 is connected to the third frame 151 through a fourth connecting member 164, for example, a pin shaft, and the fourth connecting member 164 is a pin shaft; the weight of the third balancing weight 152 is, for example, 10t or 20t, the third balancing weight 152 is, for example, steel or iron, or the third balancing weight 152 is of a filling structure, and the filling material is, for example, concrete or sand, so that the cost can be reduced.
With continued reference to fig. 4, two second frames 141 are disposed along the length direction of the third frame 151, and the third weight mechanism 15 is provided with two avoiding spaces 101, and each second frame 141 is disposed in each avoiding space 101.
Referring to fig. 2, the counterweight device for a crane further includes a ground-off detection switch 17, where the ground-off detection switch 17 is fixedly connected to the third frame 151, and the ground-off detection switch 17 is used for detecting whether the third frame 151 leaves the ground.
Referring to fig. 2 and 4, the counterweight truss 12 includes a connecting seat 121 and an oil cylinder 122, one end of the connecting seat 121 is fixedly connected to the turntable 11, the other end of the connecting seat 121 is fixedly connected to one end of the oil cylinder 122, and the other end of the oil cylinder 122 is fixedly connected to the first frame 131. In this embodiment, the oil cylinder 122 includes a first oil cylinder and a second oil cylinder, where the first oil cylinder and the second oil cylinder are both lifting oil cylinders, one end of the first oil cylinder is fixedly connected with the first frame 131 through a bolt, the other end of the first oil cylinder is matched with the pin shaft through a pull plate, so that the first oil cylinder is fixedly connected with the connecting portion of the counterweight truss 12, one end of the second oil cylinder is fixedly connected with the first frame 131 through a bolt, the other end of the second oil cylinder is matched with the pull plate and the connecting portion of the counterweight truss 12, so that the second oil cylinder is fixedly connected with the connecting portion of the counterweight truss 12, the pull force sensor can be used for detecting whether the pull force between the first oil cylinder and the second oil cylinder is balanced, and the pull plate is fixedly connected with a limiting block, and the limiting block is used for limiting the pull force sensor, so as to avoid the rotation or falling of the pull force sensor.
Referring to fig. 6, the counterweight truss 12 further includes a plurality of sequentially connected connection assemblies 123, wherein the head ends of the connection assemblies 123 are detachably connected with the connection base 121 through pins, and the tail ends of the connection assemblies 123 are detachably connected with the turntable 11 through pins; the connecting components 123 are, for example, three or four, taking three connecting components 123 as an example, the connecting components 123 comprise two groups of steel plates 1231 arranged at intervals, and stability of the structure is improved, wherein each group of steel plates 1231 comprise two steel plates arranged at intervals in the connecting components 123 at two ends, each group of steel plates 1231 comprise three steel plates arranged at intervals in the connecting components 123 at two ends, the steel plates 1231 of the connecting components 123 at the middle are clamped in the steel plates 1231 of the connecting components 123 at two ends, and then are fixed through matching of pin shafts and spring pins, so that connection of a plurality of connecting components 123 is realized, wherein the number of the steel plates can be increased or reduced according to actual requirements, and the connecting components are not limited.
Referring to fig. 2 and 4, the turntable 11 includes a turntable base 111 and a variable amplitude pulley block 112, one end of the variable amplitude pulley block 112 is connected to the turntable base 111, and tail ends of the plurality of connection assemblies 123 are detachably connected to the other end of the variable amplitude pulley block 112; the ropes of the luffing pulley block 112 are connected to the boom.
Referring to fig. 5, the turntable base 111 is connected with the connecting base 121 of the counterweight truss 12 through a pin shaft and a pin pulling cylinder 18, where a side of the connecting base 121 close to the ground is defined as a lower side, a side far away from the bottom surface is defined as an upper side, a side of the turntable base 111 connected with the connecting base 121 is defined as a connecting surface 111a, the connecting surface 111a is provided with a plurality of fixing portions 111b, the fixing portions 111b located at two ends of the connecting surface 111a in the length direction are circular holes, the fixing portions 111b on the upper side are connected with the connecting base 121 through the pin pulling cylinder 18, the fixing portions 111b on the lower side are semicircular holes, and the fixing portions 111b on the lower side are connected with the connecting base 121 through the pin shaft; the fixing part 111b positioned in the middle of the connecting surface 111a is a semicircular hole, the upper fixing part 111b is connected with the connecting seat 121 through a pin shaft, the lower fixing part 111b is a circular hole, and the lower fixing part is connected with the connecting seat 121 through a pin pulling cylinder 18, so that manufacturing errors are eliminated, the counterweight truss 12 is not installed, and the counterweight truss is convenient for a customer to assemble and disassemble.
And (3) a step of rapidly switching the counterweight device: when only the weight of the first weight mechanism 13 is needed, the first connecting piece 161 between the first connecting plate 143 and the first frame 131 is detached, so that the second weight mechanism 14 and the third weight mechanism 15 can be detached; when the weights of the first weight balancing mechanism 13 and the second weight balancing mechanism 14 are needed, the third weight balancing mechanism 15 can be detached by detaching the fourth connecting piece 164 between the second connecting plate 144 and the third frame 151, the third weight balancing mechanism 15 is detached from the second weight balancing mechanism 14, the weight balancing device can be rotated to a designated position through rotation of the turntable 11, and the installation principle is the same as the detachment principle, so that the rapid switching of the weight balancing can be realized through detachment under different working conditions.
The utility model also relates to a crane comprising the counterweight device for the crane.
The present utility model is not limited to the above embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (10)
1. A counterweight device for a crane is characterized by comprising a turntable (11), a counterweight truss (12), a first counterweight mechanism (13), a second counterweight mechanism (14) and a third counterweight mechanism (15), wherein one end of the counterweight truss (12) is connected to the turntable (11), the other end of the counterweight truss (12) is connected to the first counterweight mechanism (13), the second counterweight mechanism (14) is arranged between the first counterweight mechanism (13) and the third counterweight mechanism (15), the second counterweight mechanism (14) is detachably connected to the first counterweight mechanism (13), and the third counterweight mechanism (15) is detachably connected to the second counterweight mechanism (14).
2. The counterweight device for a crane according to claim 1, wherein the first counterweight mechanism (13) includes a first frame body (131) and a plurality of first counterweight blocks (132), each of the first counterweight blocks (132) being provided to the first frame body (131), the first frame body (131) and the second counterweight mechanism (14) being connected by a first connecting member (161).
3. The counterweight device for a crane according to claim 2, wherein the second counterweight mechanism (14) includes at least two second frames (141) and a plurality of first connection plates (143), each of which is provided to each of the second frames (141), one end of each of the first connection plates (143) is connected to the first frame (131) through the first connection member (161), and the other end of each of the first connection plates (143) is connected to the second frame (141) through a second connection member (162).
4. A counterweight device for a crane as claimed in claim 3, wherein the second counterweight mechanism (14) further comprises a plurality of second connecting plates (144), one end of each of the second connecting plates (144) is connected to the second frame (141) through a third connecting member (163), the third counterweight mechanism (15) comprises a third frame (151) and a plurality of third counterweight blocks (152), each of the third counterweight blocks (152) is provided in the third frame (151), and the other end of each of the second connecting plates (144) is connected to the third frame (151) through a fourth connecting member (164).
5. The counterweight device for a crane according to claim 4, characterized in that the counterweight device for a crane further comprises a ground clearance detection switch (17), the ground clearance detection switch (17) being fixedly connected to the third frame (151).
6. The counterweight device for a crane according to claim 4, wherein each of the second frames (141) is provided along a longitudinal direction of the third frame (151), the third counterweight mechanism (15) is provided with an avoidance space (101), and the second frame (141) is provided in the avoidance space (101).
7. The counterweight device for a crane according to claim 2, wherein the counterweight truss (12) includes a connection base (121) and an oil cylinder (122), one end of the connection base (121) is fixedly connected to the turntable (11), the other end of the connection base (121) is fixedly connected to one end of the oil cylinder (122), and the other end of the oil cylinder (122) is fixedly connected to the first frame (131).
8. The counterweight device for a crane according to claim 5, wherein the counterweight truss (12) further includes a plurality of connection members (123) connected in sequence, a head end of the plurality of connection members (123) being detachably connected to the connection base (121), and a tail end of the plurality of connection members (123) being detachably connected to the turntable (11).
9. Counterweight device for a crane according to claim 8, characterized in that the turret (11) comprises a turret block (111) and a luffing block (112), one end of the luffing block (112) being connected to the turret block (111), the tail ends of the plurality of connection assemblies (123) being detachably connected to the other end of the luffing block (112).
10. Crane, characterized in that it comprises a counterweight device for a crane according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223607841.8U CN219136209U (en) | 2022-12-29 | 2022-12-29 | Counterweight device for crane and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223607841.8U CN219136209U (en) | 2022-12-29 | 2022-12-29 | Counterweight device for crane and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219136209U true CN219136209U (en) | 2023-06-06 |
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ID=86596132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223607841.8U Active CN219136209U (en) | 2022-12-29 | 2022-12-29 | Counterweight device for crane and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219136209U (en) |
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2022
- 2022-12-29 CN CN202223607841.8U patent/CN219136209U/en active Active
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