CN110255400B - Double-hanger upper frame connecting device and crane - Google Patents
Double-hanger upper frame connecting device and crane Download PDFInfo
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- CN110255400B CN110255400B CN201910565877.8A CN201910565877A CN110255400B CN 110255400 B CN110255400 B CN 110255400B CN 201910565877 A CN201910565877 A CN 201910565877A CN 110255400 B CN110255400 B CN 110255400B
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- upper frame
- arm
- hanger
- manipulator
- driving
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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
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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
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
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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
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
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- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The embodiment of the invention provides a double-hanger upper frame connecting device and a crane, and relates to the technical field of hoisting equipment. The double-hanger upper frame connecting device comprises a first hanger upper frame, a second hanger upper frame and a manipulator connecting mechanism, wherein two ends of the manipulator connecting mechanism are respectively connected with the first hanger upper frame and the second hanger upper frame. The manipulator connecting mechanism comprises a first arm support and a second arm support which are hinged with each other, and the first arm support and/or the second arm support can move in a telescopic mode and is used for enabling the first lifting appliance upper frame and the second lifting appliance upper frame to have at least two different relative movements. The manipulator connecting mechanism is large in extension length, foldable and large in adjustment range, can be used for loading and unloading the adjacent containers on the same layer on the conventional double 40-foot lifting appliance, also can be used for loading and unloading the containers on different layers, is high in flexibility and greatly improves the efficiency of the crane.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a double-hanger upper frame connecting device and a crane.
Background
At present, the loading and unloading of double 40-foot containers mostly adopt a container spreader upper frame connecting device to operate, particularly, the sea and land side spreader upper frame realizes various working conditions of loading and unloading of the double 40-foot containers through the connection and combination actions of 8 oil cylinders or 10 oil cylinders, and when various actions are realized, the synchronism of the same action is guaranteed to be implemented by real-time detection and control of the movement of the oil cylinders by an electric control system, so that the structure is prevented from being damaged and faults are prevented from being caused.
Because the connecting device for the upper frame of the lifting appliance in the existing structural form can only load and unload containers at the same layer and adjacent positions, the flexibility is poor, and the use working condition is limited.
Disclosure of Invention
The invention aims to provide a double-hanger upper frame connecting device which can be adjusted in a larger range in the horizontal direction and the vertical direction, load and unload containers with different stations, improve the flexibility and enhance the range of use conditions.
The invention also aims to provide a crane, which can enhance the reliability of loading and unloading and enhance the application range of loading and unloading working conditions.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a double-hanger upper frame connecting device which comprises a first hanger upper frame, a second hanger upper frame and a manipulator connecting mechanism, wherein two ends of the manipulator connecting mechanism are respectively connected with the first hanger upper frame and the second hanger upper frame;
the manipulator connecting mechanism comprises a first arm support and a second arm support which are hinged with each other, and the first arm support and/or the second arm support can move in a telescopic mode and is used for enabling the first lifting appliance upper frame and the second lifting appliance upper frame to have at least two different relative movements.
Optionally, the manipulator connecting mechanism further includes a first connecting assembly and a first driving member;
the first arm support is connected with the first lifting appliance upper frame through a first connecting assembly, and the first driving piece is telescopically connected with the first lifting appliance upper frame and the first arm support and used for driving the first arm support and the first lifting appliance upper frame to move relatively.
Optionally, the first connecting assembly comprises a rotating part and a driving oil cylinder, the rotating part is provided with a rotating arm, the rotating part is rotatably arranged on the first lifting appliance upper frame, one end of the first arm frame, which is far away from the second arm frame, is connected with the rotating part, one end of the driving oil cylinder is hinged to the first lifting appliance upper frame, and the other end of the driving oil cylinder is hinged to the rotating arm and is used for driving the rotating part to drive the first arm frame to rotate.
Optionally, the manipulator connecting mechanism further includes a second driving member, and the second driving member is telescopically connected to the first arm support and the second arm support and is configured to drive the first arm support and the second arm support to move relatively.
Optionally, the manipulator connecting mechanism further includes a second connecting assembly and a third driving element, and the third driving element is telescopically connected to the second arm support and the second connecting assembly, and is used for driving the second connecting assembly to close or open, so that the second connecting assembly is locked or unlocked with the second hanger upper support.
Optionally, a fixed ball head is arranged on the second lifting appliance upper frame, the second connecting assembly comprises a clamp capable of being matched with the fixed ball head, one end, far away from the first arm support, of the second arm support is connected with the clamp, and the third driving piece is hinged to the second arm support and the clamp and used for driving the clamp to be opened or closed so as to enable the clamp to be connected with or disconnected from the fixed ball head.
Optionally, the clamp includes a first clamp arm, a second clamp arm and a transmission wheel, the first clamp arm and the second clamp arm are connected through the transmission wheel in a transmission manner, one end of a third driving piece is hinged to the second arm support, the other end of the third driving piece is hinged to the first clamp arm, and the first clamp arm and the second clamp arm can form a closed cavity used for being matched with the fixed ball head.
Optionally, the number of the manipulator connecting mechanisms is two, the first arm support is provided with a rotary connecting part, and the second arm support is provided with a ball head connecting part;
the first hanger upper frame is provided with a first fixed ball head and a first connecting part, and the second hanger upper frame is provided with a second fixed ball head and a second connecting part, wherein the first fixed ball head corresponds to the second connecting part, and the second fixed ball head corresponds to the first connecting part;
the rotating connecting portion of one manipulator connecting mechanism is connected with the first connecting portion, the ball head connecting portion is connected with the second fixed ball head, the rotating connecting portion of the other manipulator connecting mechanism is connected with the second connecting portion, and the ball head connecting portion is connected with the first fixed ball head.
Optionally, the double-hanger racking connection device further comprises a hydraulic system and an electrical system, the hydraulic system is connected with the manipulator connection mechanism and used for driving the manipulator connection mechanism to move, and the electrical system is electrically connected with the hydraulic system and used for controlling the opening or closing of the hydraulic system so as to enable the first hanger racking and the second hanger racking to move relatively.
The embodiment of the invention also provides a crane which comprises a double-hanger upper frame connecting device.
The double-hanger upper frame connecting device and the crane provided by the embodiment of the invention have the beneficial effects that:
the first hanger upper frame and the second hanger upper frame are connected through the manipulator connecting mechanism with the first arm support and the second arm support, so that the manipulator connecting mechanism is foldable, the maximum size of the extension length and the maximum size of the height difference between the upper part and the lower part are enhanced, the first arm support and/or the second arm support can move in a telescopic mode, the container loading and unloading of the separation box and the container loading and unloading of different layers are achieved, and the loading and unloading flexibility is greatly improved.
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 view of a first perspective of a double spreader racking connection apparatus;
FIG. 2 is a schematic view of a double spreader upper frame connection device from a second perspective;
FIG. 3 is a third perspective view of the double spreader upper frame attachment;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B;
FIG. 6 is a schematic view of a first condition for loading and unloading containers using a dual spreader racking connection;
FIG. 7 is a schematic view of a second condition for loading and unloading a container using a dual spreader racking connection;
FIG. 8 is a schematic view of a third condition for loading and unloading containers using a dual spreader racking connection;
fig. 9 is a schematic view of a fourth condition for loading and unloading containers using a dual spreader racking connection.
Icon: 100-double hanger upper frame connecting device; 10-a first spreader is put on the shelf; 11-second spreader upper frame; 12-fixing the ball head; 20-a manipulator connection mechanism; 21-a first arm support; 22-a second boom; 23-a first connection assembly; 232-a rotating member; 235-a driving oil cylinder; 24-a second connection assembly; 242-a first clip arm; 245-a second clip arm; 247-a transmission wheel; 25-a first drive member; 26-a second drive member; 27-a third drive member; 28-hydraulic system; 29-an electrical system; 30-container.
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 if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Example 1
Fig. 1 is a schematic diagram of a first view angle of a double-spreader upper frame connecting device 100 provided in this embodiment, as shown in fig. 1.
This two hoist put on the shelf connecting device 100 includes first hoist put on the shelf 10, second hoist put on the shelf 11 and manipulator coupling mechanism 20, and wherein, manipulator coupling mechanism 20 has the diversified motion function of manipulator, and the both ends of manipulator coupling mechanism 20 are put on the shelf 10 and the second hoist is put on the shelf 11 with first hoist respectively and are connected to drive first hoist put on the shelf 10 and second hoist put on the shelf 11 and carry out diversified motion.
Specifically, the manipulator connecting mechanism 20 includes a first arm support 21 and a second arm support 22 hinged to each other, and the first arm support 21 and/or the second arm support 22 can move in a telescopic manner and can drive the first hanger upper frame 10 and the second hanger upper frame 11 to move in at least two different relative motions (for example, separation, folding, splaying, dislocation, height difference, angle difference, and the like).
When the container 30 is hoisted, the existing double 40-foot double-hanger upper frame connecting device 100 can only load and unload the container 30 at the same layer and at the adjacent position, the maximum distance of the horizontal separation of the existing two hanger upper frames is 1300mm, the maximum distance of the height difference is +/-500 mm, and the maximum angle of the splayed angle formed by the two hangers is +/-5 degrees.
The double-hanger upper frame connecting device 100 provided by the embodiment can be adjusted in a wider range in the horizontal direction and the vertical direction through the manipulator connecting mechanism 20 with the first arm support 21 and the second arm support 22, namely the manipulator connecting mechanism 20 is foldable, the maximum distance in the horizontal direction after extension can reach 4800mm, namely the maximum distance for realizing horizontal separation of two hanger upper frames is 4500mm, the maximum distance of height difference is +/-4000 mm, the maximum angle of a splayed angle formed by two hangers is +/-10 degrees, so that a compartment can be realized, containers 30 can be loaded and unloaded on different layers, the flexibility is improved, and the use working condition range of the hanger upper frame connecting device is enlarged.
The specific structure and the corresponding relationship between the respective components of the double hanger upper frame connecting device 100 will be described in detail below.
Fig. 2 is a schematic diagram of a second perspective view of the double spreader upper frame connecting device 100, and fig. 3 is a schematic diagram of a third perspective view of the double spreader upper frame connecting device 100, as shown in fig. 2 and 3.
The manipulator connection mechanism 20 includes a first arm support 21 and a second arm support 22, and the first arm support 21 and the second arm support 22 are hinged to enable the first arm support 21 and the second arm support 22 to rotate relative to each other.
Optionally, the manipulator connecting mechanism 20 further includes a first connecting assembly 23 and a first driving element 25, the manipulator connecting mechanism 20 is connected to the first upper hanger frame 10 through the first connecting assembly 23, and the first driving element 25 is connected to the manipulator connecting mechanism 20 and the first upper hanger frame 10 and is configured to drive the manipulator connecting mechanism 20 to rotate up and down relative to the first upper hanger frame 10.
Fig. 4 is a partial enlarged view of a portion a in fig. 2, as shown in fig. 4.
Specifically, one end of the first arm support 21, which is far away from the second arm support 22, is connected to the first upper hanger frame 10 through a first connection assembly 23, and the first connection assembly 23 includes a rotating member 232 and a driving cylinder 235.
The rotating member 232 includes a rotating shaft and a rotating arm which are fixedly connected, the rotating shaft is rotatably disposed in the first upper hanger frame 10, and the top of the rotating shaft is connected to one end of the first arm frame 21, which is far away from the second arm frame 22, so that the first arm frame 21 can rotate relative to the first upper hanger frame 10 under the action of the rotating shaft.
The driving oil cylinder 235 is a power source, one end of the driving oil cylinder 235 is hinged to the first upper hanger frame 10, and the other end of the driving oil cylinder 235 is hinged to the rotating arm, so that the rotating member 232 is driven to drive the first arm support 21 to rotate relative to the first upper hanger frame 10 through extension or contraction of the driving oil cylinder 235.
Optionally, the first connection assembly 23 further includes a base, the rotation member 232 is rotatably disposed through the base, the bottom end of the rotation member 232 is rotatably connected to the first upper hanger frame 10, the top end of the rotation member 232 is hinged to the first arm support 21, one end of the driving cylinder 235 is hinged to the base, the other end of the driving cylinder 235 is hinged to the rotating arm of the rotation member 232, and the base is fixed to the first upper hanger frame 10. In addition, one end of the first driving member 25 is hinged to the base, and the other end is hinged to the first arm support 21.
The rotating piece 232 is driven to rotate around the axis of the rotating piece 232 through the telescopic motion of the driving oil cylinder 235, the rotating piece 232 drives the manipulator connecting mechanism 20 to horizontally rotate relative to the first lifting appliance upper frame 10 to adjust the relative angle in the horizontal direction, and the first arm support 21 is driven to vertically rotate relative to the first lifting appliance upper frame 10 through the telescopic motion of the first driving piece 25 to adjust the vertical relative angle.
As shown in fig. 2, the manipulator connecting mechanism 20 further includes a second driving member 26, and the second driving member 26 is telescopically connected to the first arm support 21 and the second arm support 22, and is used for driving the first arm support 21 and the second arm support 22 to move relatively.
Specifically, a first connecting portion and a second connecting portion are disposed at the middle position of the first boom 21, a first hinge portion and a second hinge portion are respectively disposed at two end portions of the first boom 21, and a third hinge portion and a third connecting portion are disposed at an end portion of the second boom 22.
The first hinge portion of the first arm frame 21 is hinged to the first upper hanger frame 10, and in this embodiment, the first hinge portion is hinged to the rotating member 232.
The second hinge part of the first arm support 21 is hinged to the third hinge part of the second arm support 22, one end of the first driving member 25 is hinged to the first hanger upper frame 10, the other end of the first driving member is hinged to the first connecting part, one end of the second driving member 26 is hinged to the second connecting part, and the other end of the second driving member is hinged to the third connecting part of the second arm support 22.
Fig. 5 is a partial enlarged view of a portion B in fig. 3, please refer to fig. 5.
The robot connecting mechanism 20 further includes a second connecting assembly 24 and a third driving member 27. The third driving member 27 is telescopically connected to the second arm support 22 and the second connecting assembly 24, and is used for driving the second connecting assembly 24 to close or open, so that the second connecting assembly 24 is locked or unlocked with the second spreader upper frame 11.
Specifically, the second connecting assembly 24 includes a clamp, the clamp includes a first clamping arm 242, a second clamping arm 245 and a driving wheel 247, and the first clamping arm 242 and the second clamping arm 245 are in driving connection through the driving wheel 247. One end of the second arm support 22, which is far away from the first arm support 21, is connected with the clamp, one end of the third driving member 27 is hinged with the second arm support 22, the other end of the third driving member 27 is hinged with the clamp, and the clamp is driven to open or close through the telescopic motion of the third driving member 27.
Optionally, the transmission wheel 247 is a gear, the first clamping arm 242 includes a first transmission portion, the second clamping arm 245 includes a second transmission portion, both the first transmission portion and the second transmission portion are provided with gear teeth, the transmission wheel 247 is located between the first transmission portion and the second transmission portion and both engaged for transmission, when the third driving member 27 is extended, the first clamping arm 242 and the second clamping arm 245 move towards each other to be closed and form a closed cavity, and when the third driving member 27 is shortened, the first clamping arm 242 and the second clamping arm 245 move towards each other to be opened.
The second hanger upper frame 11 is provided with a fixing ball 12, the clamp can be matched with the fixing ball 12, and the third driving part 27 is telescopically moved to open or close the clamp, so that the first clamping arm 242 and the second clamping arm 245 can form a closed cavity matched with the fixing ball 12 to connect or disconnect the clamp with the fixing ball 12.
As shown in fig. 1, the number of the manipulator connecting mechanisms 20 is two, and the two manipulator connecting mechanisms 20 are connected to the first spreader upper frame 10 and the second spreader upper frame 11 side by side, and when the two manipulator connecting mechanisms 20 are arranged, the two manipulator connecting mechanisms 20 may be arranged in the same direction or in opposite directions.
Specifically, the first arm supports 21 of the two manipulator connecting mechanisms 20 are both provided with a rotary connecting portion, and the second arm supports 22 are both provided with a ball head connecting portion. The first hanger upper frame 10 is provided with a first fixed ball head and a first connecting portion, and the second hanger upper frame 11 is provided with a second fixed ball head and a second connecting portion, wherein the first fixed ball head corresponds to the second connecting portion, and the second fixed ball head corresponds to the first connecting portion.
The rotating connecting part of one manipulator connecting mechanism 20 is connected with the first connecting part, the ball head connecting part is connected with the second fixed ball head, the rotating connecting part of the other manipulator connecting mechanism 20 is connected with the second connecting part, and the ball head connecting part is connected with the first fixed ball head.
Optionally, the double-spreader upper frame connecting device 100 provided by the present embodiment further includes a hydraulic system 28 and an electrical system 29.
In this embodiment, the first driving member 25, the second driving member 26, the third driving member 27 and the driving cylinder are all hydraulic cylinders.
The hydraulic system 28 is connected with the manipulator connecting mechanism 20 and is used for driving the telescopic motion of each hydraulic cylinder so as to drive the specific motion of the manipulator connecting mechanism 20, a displacement sensor is arranged in each hydraulic cylinder, the electrical system 29 is electrically connected with the hydraulic system 28 and is used for controlling the opening or closing of the hydraulic system 28, and the electrical system 29 precisely controls the motion of the hydraulic system 28 through a program in a PLC (programmable logic controller), so that the precise control of the motion of the first arm support 21 and the second arm support 22 in the manipulator connecting mechanism 20 is realized, and the first hanger upper frame 10 and the second hanger upper frame 11 perform relative motion.
In this embodiment, the first upper hanger frame 10 is a sea side upper hanger frame, and the second upper hanger frame 11 is a land side upper hanger frame.
Fig. 6-9 are schematic views of different working conditions for loading and unloading the container 30 by using the double-spreader upper frame connecting device 100, and refer to fig. 6-9.
Specifically, the first driving member 25 is extended, and the second driving member 26 is extended, so that the first arm support 21 and the second arm support 22 are retracted for loading and unloading two adjacent containers 30 on the same floor, as shown in fig. 6.
The first drive 25 is retracted to a certain extent and the second drive 26 is retracted to a certain extent so that the first boom 21 and the second boom 22 are relatively open for loading and unloading two containers 30 in the same-floor compartment position, as shown in fig. 7.
The first drive 25 is retracted to a short extent and the second drive 26 is retracted to an extent such that the first boom 21 and the second boom 22 are relatively open for loading and unloading two adjacent containers 30 of different levels, as shown in fig. 8.
The first drive 25 is retracted to a shorter extent and the second drive 26 is retracted to a shorter extent so that the first boom 21 and the second boom 22 are fully open for loading and unloading two containers 30 in different tier compartment positions, as shown in figure 9.
The working principle of the double-hanger upper frame connecting device 100 provided by the embodiment of the invention is as follows:
the double-hanger upper frame connecting device 100 is connected through the two manipulator connecting mechanisms 20, so that the sea side hanger upper frame and the land side hanger upper frame are effectively connected together, and the stretching and retracting of the manipulator connecting mechanisms 20 are driven through the telescopic motion of the first driving piece 25 and the second driving piece 26, so that the separation or the folding of the two hanger upper frames are realized.
The two manipulator connecting mechanisms 20 are oppositely arranged, when one manipulator connecting mechanism 20 extends, the other manipulator connecting mechanism 20 shortens, and the splayed separation of the first hanger upper frame 10 and the second hanger upper frame 11 is realized.
The first driving part 25 and the second driving part 26 are linked to enable the first hanger upper frame 10 and the second hanger upper frame 11 to realize the height difference function, when the two hanger upper frames do the height difference motion, the first driving part 25 extends, the second driving part 26 retracts, the end of the first connecting component 23 of the manipulator connecting mechanism 20 is low, and the end of the second connecting component 24 is high; conversely, when the first driving member 25 is retracted and the second driving member 26 is extended, the first connecting member 23 of the robot connecting mechanism 20 is higher and the second connecting member 24 is lower.
The manipulator connecting mechanism 20 rotates around the rotating part 232 by driving the oil cylinder to move in a telescopic way, so that the two lifting appliances are put on the shelf to realize a stable horizontal dislocation function.
The double-hanger upper frame connecting device 100 provided by the embodiment of the invention has the beneficial effects that:
the manipulator connecting mechanism 20 is large in extension length and foldable, the maximum size of the extension length can reach 4800mm, so that the maximum separation distance of the upper frame of the sea and land side lifting appliance can reach 4500mm, the maximum difference of the upper height and the lower height can reach +/-4000 mm, the maximum splayed angle can reach +/-10 degrees, the space can be saved in the horizontal direction, interference can not be caused in the moving process, the adjusting range is large, the loading and unloading of containers in different layers and the loading and unloading of containers 30 in the same layer can be realized besides the loading and unloading of the containers 30 in the same layer can be realized by the conventional double 40-foot lifting appliance, the flexibility is strong, and the crane efficiency is greatly improved.
Example 2
Embodiment 2 of the present invention provides a crane, including the double-spreader upper frame connection device 100 provided in embodiment 1.
The crane adopting the double-hanger upper frame connecting device 100 provided by the embodiment 1 has the advantages of providing loading and unloading reliability, increasing the application range of loading and unloading working conditions and having strong practicability.
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 (8)
1. The double-hanger upper frame connecting device is characterized by comprising a first hanger upper frame (10), a second hanger upper frame (11) and a manipulator connecting mechanism (20), wherein two ends of the manipulator connecting mechanism (20) are respectively connected with the first hanger upper frame (10) and the second hanger upper frame (11);
the manipulator connecting mechanism (20) comprises a first arm support (21) and a second arm support (22) which are hinged to each other, and the first arm support (21) and/or the second arm support (22) can move in a telescopic mode and are used for enabling the first hanger upper frame (10) and the second hanger upper frame (11) to have at least two different relative movements;
the manipulator connecting mechanism (20) further comprises a first connecting component (23) and a first driving part (25); the first arm support (21) is connected with the first upper hanger frame (10) through the first connecting assembly (23), and the first driving part (25) is telescopically connected with the first upper hanger frame (10) and the first arm support (21) and is used for driving the first arm support (21) and the first upper hanger frame (10) to move relatively;
the first connecting assembly (23) comprises a rotating part (232) and a driving oil cylinder (235), the rotating part (232) is provided with a rotating arm, the rotating part (232) is rotatably arranged on the first lifting appliance upper frame (10), one end, far away from the second arm frame (22), of the first arm frame (21) is connected with the rotating part (232), one end of the driving oil cylinder (235) is hinged to the first lifting appliance upper frame (10), and the other end of the driving oil cylinder is hinged to the rotating arm and used for driving the rotating part (232) to drive the first arm frame (21) to rotate;
the rotating piece (232) is driven to rotate around the axis of the rotating piece (232) through the telescopic motion of the driving oil cylinder (235), and the manipulator connecting mechanism (20) is driven to horizontally rotate relative to the first lifting appliance upper frame (10) through the rotating piece (232).
2. The double spreader racking connection arrangement of claim 1, wherein said manipulator connection mechanism (20) further comprises a second actuator (26), said second actuator (26) being telescopically connected to said first arm (21) and said second arm (22) for actuating the relative movement of said first arm (21) and said second arm (22).
3. The double spreader upper frame connecting device according to claim 1, wherein the manipulator connecting mechanism (20) further comprises a second connecting assembly (24) and a third driving member (27), the third driving member (27) being telescopically connected to the second arm support (22) and the second connecting assembly (24) for driving the second connecting assembly (24) to close or open so as to lock or unlock the second connecting assembly (24) with the second spreader upper frame (11).
4. The double-spreader upper frame connecting device according to claim 3, wherein the second spreader upper frame (11) is provided with a fixed ball head (12), the second connecting assembly (24) comprises a clamp capable of being matched with the fixed ball head (12), one end of the second arm frame (22) far away from the first arm frame (21) is connected with the clamp, and the third driving member (27) is hinged to the second arm frame (22) and the clamp and used for driving the clamp to open or close so as to enable the clamp to be connected with or disconnected from the fixed ball head (12).
5. The double-spreader racking connection device according to claim 4, wherein said clamp comprises a first clamping arm (242), a second clamping arm (245) and a transmission wheel (247), said first clamping arm (242) and said second clamping arm (245) are in transmission connection via said transmission wheel (247), one end of said third driving member (27) is hinged to said second arm (22) and the other end is hinged to said first clamping arm (242), said first clamping arm (242) and said second clamping arm (245) can form a closed cavity for cooperating with said fixed ball (12).
6. The double-spreader racking connection device according to claim 1, wherein said manipulator connection mechanisms (20) are two in number, and said first arm support (21) is provided with a rotary connection, and said second arm support (22) is provided with a ball head connection;
the first hanger upper frame (10) is provided with a first fixed ball head (12) and a first connecting part, the second hanger upper frame (11) is provided with a second fixed ball head (12) and a second connecting part, wherein the first fixed ball head (12) corresponds to the second connecting part, and the second fixed ball head (12) corresponds to the first connecting part;
the rotating connecting part of one manipulator connecting mechanism (20) is connected with the first connecting part, the ball head connecting part is connected with the second fixed ball head (12), the rotating connecting part of the other manipulator connecting mechanism (20) is connected with the second connecting part, and the ball head connecting part is connected with the first fixed ball head (12).
7. The double spreader upper frame connecting device according to claim 1, further comprising a hydraulic system (28) and an electrical system (29), wherein the hydraulic system (28) is connected with the manipulator connecting mechanism (20) and is used for driving the movement of the manipulator connecting mechanism (20), and the electrical system (29) is electrically connected with the hydraulic system (28) and is used for controlling the opening or closing of the hydraulic system (28) so as to enable the first spreader upper frame (10) and the second spreader upper frame (11) to move relatively.
8. A crane, characterized by comprising a double spreader upper frame connection device (100) according to any one of claims 1-7.
Priority Applications (1)
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| CN201910565877.8A CN110255400B (en) | 2019-06-27 | 2019-06-27 | Double-hanger upper frame connecting device and crane |
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| CN201910565877.8A CN110255400B (en) | 2019-06-27 | 2019-06-27 | Double-hanger upper frame connecting device and crane |
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| CN110255400A CN110255400A (en) | 2019-09-20 |
| CN110255400B true CN110255400B (en) | 2020-11-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NL8802509A (en) * | 1988-10-12 | 1990-05-01 | Stinis Jr Krimpen Holding B V | LIFTING FRAME FOR A CONTAINER. |
| SG124320A1 (en) * | 2005-02-02 | 2006-08-30 | Nsl Engineering Pte Ltd | An improved head frame |
| CN2841606Y (en) * | 2005-10-31 | 2006-11-29 | 上海振华港口机械（集团）股份有限公司 | Crab-arm type dual 40-foot slings grounding device |
| CN204434098U (en) * | 2015-02-12 | 2015-07-01 | 上海港机重工有限公司 | The connecting device that two-electron atom is added |
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