CN217102820U - Fixed auxiliary boom mast, boom assembly and operation machine - Google Patents

Fixed auxiliary boom mast, boom assembly and operation machine Download PDF

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Publication number
CN217102820U
CN217102820U CN202220579494.3U CN202220579494U CN217102820U CN 217102820 U CN217102820 U CN 217102820U CN 202220579494 U CN202220579494 U CN 202220579494U CN 217102820 U CN217102820 U CN 217102820U
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mast
fixed
jib
arm
fly jib
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李恒
张永才
李�浩
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Sany America Inc
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Sany America Inc
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Abstract

The utility model relates to an operation machinery field provides a fixed fly jib mast, jib subassembly and operation machinery, and wherein, fixed fly jib mast includes: one end of the first mast is used for being rotatably connected to the bottom of the fixed auxiliary arm; one end of the second mast is used for being rotatably connected to the first mast, and the other end of the second mast is used for being rotatably connected to the fixed auxiliary arm front pull plate and the fixed auxiliary arm rear pull plate; and the adjusting device is connected between the first mast and the second mast and is used for adjusting the distance between the two opposite sides of the first mast and the second mast. The utility model provides a fixed fly jib mast, jib subassembly and operation machinery, adjust the distance between the first mast and the second mast back to back of the body both sides through adjusting device, realize that fixed fly jib mast length is variable, further realize the inclination of fixed fly jib relative main arm, adapt to the different operating modes of operation machinery; the switching of working angles can be completed in the air, and the efficiency can be greatly improved.

Description

Fixed auxiliary boom mast, boom assembly and operation machine
Technical Field
The utility model relates to an operating machine technical field especially relates to a fixed fly jib mast, cantilever crane subassembly and operating machine.
Background
The fixed auxiliary boom is an operation part of the operation machine, one end of the fixed auxiliary boom is connected with the main boom, the other end of the fixed auxiliary boom is connected with the operation part, and the angle of the fixed auxiliary boom relative to the main boom is adjusted to adapt to different working conditions of the operation machine.
Referring to fig. 1 and 2, a schematic diagram of a connection structure between a fixed auxiliary arm 11 and a main arm 15 in the prior art is shown. Generally, a fixed sub-boom forward-pulling plate 12 is rotatably connected to the top of the fixed sub-boom 11, a fixed sub-boom mast 13 and a fixed sub-boom backward-pulling plate 14 are rotatably connected to the other end of the fixed sub-boom forward-pulling plate 12, the other end of the fixed sub-boom mast 13 is connected to the bottom of the fixed sub-boom 11, and the other end of the fixed sub-boom backward-pulling plate 14 is connected to the side of the main boom 15.
In the prior art, when the angle of the fixed auxiliary arm 11 needs to be adjusted according to different working conditions, different angles of the fixed auxiliary arm 11 are realized by adjusting the length of the fixed auxiliary arm back pull plate 14. This kind of regulative mode can relate to the arm of lying prone and play the arm and even draw the board, promptly, places main arm 15 and fixed fly jib 11 level on the horizontal plane, pulls down behind the fixed fly jib and draws board 14 and adjust the length of fixed fly jib back draw board 14 to realize the different angles of fixed fly jib 11 relative main arm 15, this adjustment process is consuming time longer, and efficiency is on the low side.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fixed fly jib mast, jib subassembly and operation machinery for when solving among the prior art hoist and become the amplitude modulation to the fixed fly jib of different operating modes, problem of inefficiency.
The utility model provides a fixed fly jib mast, include:
the first mast, one end of it is used for rotating in the bottom connected to fixed fly jib;
one end of the second mast is used for being rotatably connected to the first mast, and the other end of the second mast is used for being rotatably connected to the fixed fly jib front pulling plate and the fixed fly jib rear pulling plate;
and the adjusting device is connected between the first mast and the second mast and is used for adjusting the distance between two opposite ends of the first mast and the second mast.
According to the utility model provides a fixed fly jib mast, adjusting device sets up to telescoping device.
According to the utility model provides a pair of fixed fly jib mast, the second mast rotate connect in first mast, the one end of telescoping device with first mast rotates to be connected, the other end with the second mast rotates to be connected.
According to the utility model provides a pair of fixed fly jib mast, first mast with all be provided with on the second mast and be used for connecting telescoping device's bulge.
According to the utility model provides a pair of fixed fly jib mast, the telescoping device is the pneumatic cylinder.
According to the utility model provides a fixed fly jib mast, first mast and second mast are nested formula, adjusting device's both ends respectively with first mast and second mast are connected;
or two ends of the adjusting device are respectively connected to the opposite ends of the first mast and the second mast;
or the two ends of the adjusting device are respectively connected to the middle parts of the same sides of the first mast and the second mast, and the adjusting device is used for adjusting the opening degree of the first mast and the second mast.
The utility model also provides an arm frame subassembly, include: a main arm;
the fixed auxiliary arm is rotatably connected to the top of the main arm;
one end of the fixed auxiliary arm front pull plate is connected to the top of the fixed auxiliary arm;
one end of the fixed auxiliary arm back pull plate is connected to the side surface of the main arm;
in the fixed fly jib mast, one end of the fixed fly jib mast is rotatably connected with the bottom of the fixed fly jib, and the other end of the fixed fly jib mast is rotatably connected with the fixed fly jib front pull plate and the fixed fly jib rear pull plate.
According to this use novel a provide cantilever crane subassembly, still include the link, the one end of link with fixed fly jib mast is connected, the other end with fixed fly jib is connected.
According to the utility model provides a pair of cantilever crane subassembly, the link is the truss structure.
The utility model also provides an operating machine, including operating machine body and foretell jib subassembly, jib subassembly sets up on the operating machine body.
The fixed fly jib mast provided by the utility model adjusts the distance between the two ends of the back of the first mast and the second mast through the adjusting device, realizes the length change of the fixed fly jib mast, further realizes the inclination angle of the fixed fly jib relative to the main boom, and adapts to different working conditions of the operation machinery; need not to lie prone the arm and play the arm and even draw the board, can accomplish work angle's switching aloft, can raise the efficiency greatly.
Further, the present invention provides a boom assembly having the fixed fly jib mast as described above, and therefore having various advantages as described above.
Further, the present invention provides a working machine having the arm rest assembly as described above, and therefore having various advantages as described above.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a boom assembly under a working condition of a small-angle fixed auxiliary boom in the prior art;
FIG. 2 is a schematic structural view of a boom assembly under a working condition of a large-angle fixed auxiliary boom in the prior art;
FIG. 3 is a schematic structural view of the boom assembly under the working condition of the small-angle fixed auxiliary boom provided by the present invention;
FIG. 4 is a schematic structural view of the boom assembly under the working condition of the large-angle fixed auxiliary boom provided by the present invention;
fig. 5 is a first schematic structural diagram of a fixed fly jib mast provided by the present invention;
fig. 6 is a second schematic structural view of the fixed fly jib mast provided by the present invention;
fig. 7 is an enlarged schematic view of a portion of the structure of fig. 3 according to the present invention;
reference numerals:
11: fixing the auxiliary arm; 12: fixing the front pull plate of the auxiliary arm; 13: fixing the fly jib mast; 14: fixing the back pull plate of the auxiliary arm; 15: a main arm;
20: fixing the fly jib mast;
21: a first mast; 22: a second mast; 23: an adjustment device; 24: a connecting frame; 25: a projection.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention provides a fixed fly jib mast as described below with reference to fig. 3 to 7.
As shown in fig. 3 to 6, the present invention provides a fixed fly jib mast comprising a first mast 21, a second mast 22 and an adjusting device 23, wherein one end of the first mast 21 is rotatably connected to the bottom of the fixed fly jib 11; one end of the second mast 22 is used for being rotatably connected to the first mast 21, and the other end of the second mast is used for being rotatably connected to the fixed auxiliary arm front pull plate 12 and the fixed auxiliary arm rear pull plate 14; the adjusting device 23 is connected between the first mast 21 and the second mast 22, and is used for adjusting the distance between the two opposite ends of the first mast 21 and the second mast 22.
The utility model provides a fixed fly jib mast 20, when the different angle of fixed fly jib 11 need to be adjusted in order to adapt to the different operating mode of operation machinery, only need through the length of adjustment adjusting device 23 with the distance between the both ends of adjusting first mast 21 and second mast 22 back of the body mutually, adjust the linear distance between first mast 21 end and the second mast 22 end promptly, realize the change of fixed fly jib mast 20 length, further realize the inclination of fixed fly jib 11 relative main arm 15; under the condition that need not fixed fly jib back arm-tie 14 of adjustment, realize the different angle of fixed fly jib 11, need not the arm of lying prone and play the arm and link the arm-tie, can accomplish work angle's switching aloft, can raise the efficiency.
In the embodiment of the present invention, the adjusting device 23 is a telescopic device, such as a telescopic rod or a hydraulic cylinder. The extension and the shortening of the telescopic device drive the first mast 21 and the second mast 22 to rotate, so that the opening and closing degree of the first mast 21 and the opening and closing degree of the second mast 22 become larger or smaller, the linear distance between the tail end of the first mast 21 and the tail end of the second mast 22 is changed, and the length of the fixed fly jib mast 20 is adjustable. It should be noted that the end of the first mast 21 can be understood as the end of the first mast 21 away from the second mast 22; likewise, the end of the second mast 22 can be understood as the end of the second mast 22 remote from the first mast 21.
The embodiment of the utility model provides an in, the telescoping device is the pneumatic cylinder, for example telescopic cylinder or cylinder. In particular, the telescopic device may be a telescopic cylinder. By adopting the telescopic oil cylinder, the telescopic oil cylinder is stable in telescopic action and small in telescopic impact, the fixed auxiliary boom can be prevented from shaking during amplitude variation, and the stability in the amplitude variation process is improved. Obviously, the telescopic device is not limited to a telescopic cylinder, as long as it can provide continuous telescopic power, and may also be a cylinder, an oil-gas mixture cylinder, or the like.
For example, in one embodiment of the present invention, the first mast 21 and the second mast 22 are nested, and both ends of the adjusting device 23 are respectively connected to the first mast 21 and the second mast 22, and can be disposed inside one of the inner sides of the first mast 21 and the second mast 22 or the adjusting device 23 is located outside the outer side of the first mast 21 and the second mast 22; the change of the whole fixed fly jib mast can be further achieved by adjusting the length change of the adjusting device 23.
For another example, in another embodiment of the present invention, two ends of the adjusting device 23 are respectively connected to the opposite ends of the first mast 21 and the second mast 22; namely the first mast 21, the adjusting device 23 and the second mast 22 are connected end to end, and the length of the whole fixed fly jib mast is further changed by adjusting the length change of the adjusting device 23; the inclination angle of the auxiliary fixed arm 11 relative to the main arm 15 is further realized so as to adapt to different working conditions.
For another example, in another embodiment of the present invention, as shown in fig. 3 and fig. 4, two ends of the adjusting device 23 are respectively connected to the middle portions of the same sides of the first mast 21 and the second mast 22, and the adjusting device 23 is used for adjusting the opening and closing degrees of the first mast 21 and the second mast 22. As shown in fig. 3, the opening and closing angle of the first mast 21 and the second mast 22 is adjusted to the maximum, and at this time, the fixed fly jib mast 20 is in the longest state, and the angle of the fixed fly jib 11 with respect to the axis of the main jib 15 is the minimum. As shown in fig. 4, when the angle of the fixed sub-jib 11 relative to the main jib 15 needs to be adjusted to be larger, the opening and closing angles of the first mast 21 and the second mast 22 are adjusted to be slightly smaller, and at this time, the linear distance between the tail end of the first mast 21 and the tail end of the second mast 22 is shortened, so that the working condition of the fixed sub-jib with a relatively larger angle is realized.
Adjusting the telescopic oil cylinder to open and close the first mast 21 and the second mast 22 to realize the length change of the fixed jib mast 20; as shown in fig. 3 and 5, at a small angle, the piston rod of the telescopic cylinder is pushed out, so that the fixed jib mast 20 is in the longest state; as shown in fig. 4 and 6, at a large angle, the piston rod of the telescopic cylinder is retracted, so that the straight distance between the end of the first mast 21 and the end of the second mast 22 is in a slightly short state, and a large angle of the fixed fly jib 11 is further realized.
Furthermore, the utility model discloses an in the embodiment, the one end of telescoping device is rotated with the middle part of first mast 21 and is connected, and the other end is rotated with the middle part of second mast 22 and is connected, can guarantee higher intensity, guarantees the stability of work, can realize better degree of opening and shutting again, realizes the adjustment range of broad.
The utility model discloses an in the embodiment, all be provided with the bulge 25 that is used for connecting the telescoping device on first mast 21 and the second mast 22, as shown in fig. 5 and fig. 6, the telescoping device sets up on bulge 25, and the design like this can avoid the telescoping device to take place the position interference at first mast 21 and second mast 22 effectively when fixed fly jib mast 20 is in the longest condition, for the certain accommodation space of telescoping device reservation department, guarantees its reliable work.
It should be noted that the above-mentioned movable connection may be a hinge connection, and may also be other movable connection, such as a movable rivet connection.
An embodiment of another aspect of the present invention provides a boom assembly, which includes a main boom 15, a fixed auxiliary boom 11, a fixed auxiliary boom forward-pulling plate 12, a fixed auxiliary boom backward-pulling plate 14 and a fixed auxiliary boom mast 20, wherein the fixed auxiliary boom 11 is rotatably connected to the top of the main boom 15; one end of the fixed fly jib front pull plate 12 is movably connected to the top of the fixed fly jib 11, and the other end is simultaneously movably connected with the fixed fly jib rear pull plate 14 and the fixed fly jib mast 20; the other end of the fixed auxiliary arm back pull plate 14 is movably connected to the side surface of the main arm 15; the other end of the fixed fly jib mast 20 is connected to the bottom of the fixed fly jib 11. The fixed fly jib mast 20 is any one of the fixed fly jib masts provided in the above embodiments.
In the boom assembly provided by the above embodiment of the present invention, when different angles of the fixed jib 11 need to be adjusted to adapt to different working conditions of the working machine, only the length of the adjusting device 23 needs to be adjusted to adjust the opening and closing degree between the first mast 21 and the second mast 22, or the length of the adjusting device 23 itself needs to be adjusted, so as to adjust the linear distance between the end of the first mast 21 and the end of the second mast 22, thereby changing the length of the fixed jib mast 20, and further realizing the inclination angle of the fixed jib 11 relative to the main jib 15; under the condition that the fixed fly jib back pull plate 14 need not to adjust, realize the different angles of fixed fly jib, need not the arm of lying prone and play the arm and link the pull plate, can accomplish work angle's switching aloft, can raise the efficiency.
As shown in fig. 7, the boom assembly according to the embodiment of the present invention further includes a connecting frame 24, one end of the connecting frame 24 is connected to the fixed fly jib mast 20, and the other end is connected to the fixed fly jib 11; one side of the connecting frame 24 is fixedly connected with the fixed fly jib 11, and the other side is rotatably connected with the fixed fly jib mast 20; alternatively, one side of the connecting frame 24 may be rotatably connected to the fixed fly jib 11, and the other side may be fixedly connected to the fixed fly jib mast 20. For better adjustment, it is preferable to use a connecting bracket 24 which is fixedly connected on one side to the fixed fly jib 11 and on the other side to the fixed fly jib mast 20.
Specifically, the connecting frame 24 is a truss structure, and has a simple and stable structure; similarly, the connecting frame 24 may have other structures, such as a plate structure. The connecting frame 24 may be made of steel, or other metal materials conventionally used in the art, such as cast iron. The provision of the attachment bracket 24 helps to enhance the strength and stability of the fixed sub-arm 11.
Obviously, the fixed fly jib mast 20 may be directly mounted on the fixed fly jib 11 without a connecting bracket on the fixed fly jib 11.
The embodiment of the utility model provides a further provides a working machine, including working machine body and foretell jib subassembly, the jib subassembly sets up on the working machine body.
The present invention provides a working machine having the arm support assembly described above, and therefore having various advantages as described above.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A fixed jib mast, comprising:
one end of the first mast is used for being rotatably connected to the bottom of the fixed auxiliary arm;
one end of the second mast is connected to the first mast, and the other end of the second mast is used for being rotatably connected to the fixed auxiliary arm front pull plate and the fixed auxiliary arm rear pull plate;
and the adjusting device is connected between the first mast and the second mast and is used for adjusting the distance between two opposite ends of the first mast and the second mast.
2. A fixed jib mast as claimed in claim 1 wherein said adjustment means is provided as a telescopic means.
3. A fixed jib mast as defined in claim 2 wherein said second mast is pivotally connected to said first mast, said extension and retraction means being pivotally connected at one end to said first mast and at the other end to said second mast.
4. A fixed jib mast as claimed in claim 3 wherein said first mast and said second mast are each provided with a projection for connection to said extension and retraction means.
5. A fixed jib mast as defined in claim 2 wherein said extension and retraction means is a hydraulic cylinder.
6. The fixed jib mast of claim 1 wherein said first mast and said second mast are nested and said adjustment means is connected at each end to said first mast and said second mast, respectively;
or two ends of the adjusting device are respectively connected to the opposite ends of the first mast and the second mast;
or the two ends of the adjusting device are respectively connected to the middle parts of the same sides of the first mast and the second mast, and the adjusting device is used for adjusting the opening degree of the first mast and the second mast.
7. An arm rest assembly, comprising:
a main arm;
the fixed auxiliary arm is rotatably connected to the top of the main arm;
one end of the fixed auxiliary arm forward-pulling plate is connected to the top of the fixed auxiliary arm;
one end of the fixed auxiliary arm back pull plate is connected to the side surface of the main arm;
a fixed jib mast according to any one of claims 1 to 6 having one end pivotally connected to the base of the fixed jib and the other end pivotally connected to both the fixed jib forward pull plate and the fixed jib back pull plate.
8. The boom assembly of claim 7, further comprising a connecting frame connected at one end to the fixed fly jib mast and at another end to the fixed fly jib.
9. The boom assembly of claim 8, wherein the connecting frame is a truss structure.
10. A work machine comprising a work machine body and an arm support assembly according to any of claims 7-9, said arm support assembly being arranged on said work machine body.
CN202220579494.3U 2022-03-16 2022-03-16 Fixed auxiliary boom mast, boom assembly and operation machine Active CN217102820U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220579494.3U CN217102820U (en) 2022-03-16 2022-03-16 Fixed auxiliary boom mast, boom assembly and operation machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220579494.3U CN217102820U (en) 2022-03-16 2022-03-16 Fixed auxiliary boom mast, boom assembly and operation machine

Publications (1)

Publication Number Publication Date
CN217102820U true CN217102820U (en) 2022-08-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115744676A (en) * 2022-12-14 2023-03-07 浙江三一装备有限公司 Hoisting equipment and arm hoisting method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115744676A (en) * 2022-12-14 2023-03-07 浙江三一装备有限公司 Hoisting equipment and arm hoisting method
CN115744676B (en) * 2022-12-14 2023-08-22 浙江三一装备有限公司 Lifting equipment and lifting arm method
WO2024124831A1 (en) * 2022-12-14 2024-06-20 浙江三一装备有限公司 Hoisting device and arm lifting method

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