CN212532034U - Take absorbing balance arm device and have device's monkey - Google Patents
Take absorbing balance arm device and have device's monkey Download PDFInfo
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- CN212532034U CN212532034U CN202020877209.7U CN202020877209U CN212532034U CN 212532034 U CN212532034 U CN 212532034U CN 202020877209 U CN202020877209 U CN 202020877209U CN 212532034 U CN212532034 U CN 212532034U
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Abstract
The utility model provides a balance arm device with shock absorption and a crane trolley with the same, wherein the balance arm device comprises a balance arm frame, two balance beams are symmetrically arranged on the left side and the right side below the balance arm frame, the upper ends of the two balance beams are connected with the lower part of the balance arm frame through the same hinge shaft I, the ends, close to the bottoms of the two balance beams, are connected through a disc spring group, and the two ends of the disc spring group are respectively connected with the balance beams through hinge shafts II; and one ends of the two balance beams far away from the bottoms are connected with a steel wire rope connecting end through a pin shaft, and the pin shaft is higher than the hinge shaft II and lower than the hinge shaft I. The crane trolley is provided with the balance arm device, and is connected with the hook component through the balance arm device. The utility model discloses the realization reduces wire rope's under the earthquake operating mode atress, improves wire rope's factor of safety, reduces the atress of monkey and whole hoist product simultaneously, satisfies the antidetonation requirement, has reduced product cost.
Description
Technical Field
The utility model relates to a jack-up technical field is a take absorbing balance arm device and have device's monkey particularly.
Background
In the prior art, a fixed steel wire rope beam in a balance arm device of a crane trolley hoisting mechanism adopts an integral steel structure form, in the trolley hoisting mechanism of a crane with a seismic requirement, due to the fact that seismic force is large, force transmitted to a steel wire rope in the hoisting mechanism through the structure is also large, in order to meet the seismic requirement, the diameter of the steel wire rope needs to be increased, the diameter of the steel wire rope is used as basic data for design and model selection of parts such as a winding drum and a pulley of the hoisting mechanism, and the model selection of the whole system is inevitably large due to the increase of the diameter of the steel wire rope, so that the cost of the whole equipment is increased.
The balance arm device with the shock absorption function and the crane trolley need to be developed, so that the requirement of normal working conditions is met, the stress of a steel wire rope under the earthquake working conditions can be reduced, the equipment cost is reduced, and the equipment safety is improved.
SUMMERY OF THE UTILITY MODEL
According to the technical problem, the balance arm device with the shock absorption function and the crane trolley with the same are provided.
The utility model discloses a technical means as follows:
a balance arm device with shock absorption comprises a balance arm frame which is horizontally arranged, wherein two balance beams are symmetrically arranged on the left side and the right side below the balance arm frame, the upper ends of the two balance beams are connected with the lower part of the balance arm frame through a same hinge shaft I, the ends, close to the bottom of the two balance beams, are connected through a disc spring group, and the two ends of the disc spring group are respectively connected with the balance beams through hinge shafts II; and one ends of the two balance beams far away from the bottoms are connected with a steel wire rope connecting end through a pin shaft, and the pin shaft is higher than the hinge shaft II and lower than the hinge shaft I. The disc spring group has certain pre-pressure, and can be compressed only when the earthquake force applied to the earthquake situation exceeds the set pre-pressure, so that the damping effect is achieved, the force applied to the steel wire rope is reduced, and the safety of the equipment is improved.
The balance arm support is of a box-shaped structure welded by steel plates, the left end and the right end of the upper portion of the balance arm support are respectively machined into connecting shafts, and reinforcing plates are welded on the inner sides of the front side plate and the rear side plate of the lower portion of the balance arm support at the positions of the hinge shafts I.
The balance beam comprises two triangular steel plates which are arranged in front and back and are triangular and a plurality of rectangular pipes which fixedly connect the two triangular steel plates, and chamfers are machined at the end parts of the triangular steel plates.
The dish spring group includes the pull rod, just the cover has a plurality of dish reeds on the pull rod, and two dish reeds that are located both ends about have the tip casing, the pull rod has the spacing arch of shaft shoulder at its right-hand member processing, the left end of pull rod is provided with the baffle, and the bolt will baffle, setting are at the left end the tip casing with the pull rod is fixed as an organic whole, the tip casing is kept away from the one end of dish reed is fixed with the joint, connect with hinge II is connected.
The utility model also discloses a trolley, which comprises a trolley body, wherein the bottom of the trolley body is provided with a trolley body running mechanism, the middle part of the trolley body is provided with a balance arm device mounting seat, the balance arm device is arranged in the balance arm device mounting seat, and the connecting shaft is rotationally connected with the balance arm device mounting seat; a winding drum arranged horizontally and a hoisting mechanism driving the winding drum to rotate are arranged at the top of the trolley body; a lifting hook component is arranged in the middle of the bottom of the trolley body;
one end of a steel wire rope I is fixed on the left side of the winding drum, and the other end of the steel wire rope I is fixedly connected with the steel wire rope connecting end arranged on the right side after sequentially passing through a left movable pulley I fixed on the left side of the hook component, a direction-changing fixed pulley I fixed on the vehicle body and a right movable pulley I fixed on the right side of the hook component;
one end of a steel wire rope II is fixed on the right side of the winding drum, and the other end of the steel wire rope II sequentially passes through a right movable pulley II fixed on the right side of the hook component, a turning fixed pulley II fixed on the car body, and a left movable pulley II fixed on the left side of the hook component and then is fixedly connected with the steel wire rope connecting end arranged on the left side.
Compared with the prior art, the utility model has the advantages of it is following:
1. the stress of the steel wire rope under the earthquake working condition is reduced, the safety factor of the steel wire rope is improved, the stress of the crane trolley and the whole crane product is reduced, the earthquake-resistant requirement is met, and the product cost is reduced.
2. The stress of the steel wire rope is reduced, and the safety coefficient is increased;
3. the equipment model selection is optimized, and the product cost is reduced;
4. the safety and reliability of the equipment are improved.
Based on the reason, the utility model discloses can extensively promote in fields such as jack-up.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced 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 inventive labor.
Fig. 1 is a schematic structural view of a balance arm device with shock absorption according to embodiments 1 and 2 of the present invention.
Fig. 2 is a front view of a balance arm support in embodiments 1 and 2 of the present invention.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is a schematic structural view of a balance beam in embodiment 1 and embodiment 2 of the present invention.
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Fig. 6 is a schematic structural diagram of a disc spring set in embodiments 1 and 2 of the present invention.
Fig. 7 is a sectional view taken along line C-C in fig. 6.
Fig. 8 is a front view of a trolley according to embodiment 2.
Fig. 9 is a plan view of a hoist trolley according to embodiment 2.
FIG. 10 is a drawing showing the winding of a wire rope I and a wire rope II in example 2.
In the figure: 1. a balance arm support; 2. a balance beam; 3. a hinge shaft I; 4. a disc spring set; 5. a hinge shaft II; 6. A pin shaft; 7. a steel wire rope connecting end; 8. a connecting shaft; 9. a reinforcing plate; 10. a triangular steel plate; 11. a rectangular tube; 12. a pull rod; 13. a disc reed; 14. an end housing; 15. a baffle plate; 16. a bolt; 17. a joint; 18. a vehicle body; 19. a vehicle body running mechanism; 20. a balance arm device mount; 21. a balance arm device; 22. a reel; 23. a hoisting mechanism; 24. a hook assembly; 25. a steel wire rope I; 26. a left movable pulley I; 27. a direction-changing fixed pulley I; 28. a right movable pulley I; 29. a steel wire rope II; 30. a right movable pulley II; 31. a direction-changing fixed pulley II; 32. and a left movable pulley II.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
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 accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1 to 7, a balance arm device with shock absorption, the balance arm device 21 includes a balance arm frame 1 horizontally disposed, two balance beams 2 are symmetrically disposed on the left and right sides below the balance arm frame 1, the upper ends of the two balance beams 2 are connected to the lower portion of the balance arm frame 1 through a same hinge shaft i 3, the ends of the two balance beams 2 close to the bottom are connected through a disc spring group 4, and the two ends of the disc spring group 4 are respectively connected to the balance beam 2 through hinge shafts ii 5; one end far away from the bottoms of the two balance beams 2 is connected with a steel wire rope connecting end 7 through a pin shaft 6, and the pin shaft 6 is higher than the hinge shaft II 5 and lower than the hinge shaft I3.
The balance arm support 1 is of a box-shaped structure welded by steel plates, the left end and the right end of the upper portion of the balance arm support are respectively machined into connecting shafts 8, and reinforcing plates 9 are welded on the inner sides of the front side plate and the rear side plate of the lower portion of the balance arm support 1 at the positions of the hinge shafts I3.
The balance beam 2 comprises two triangular steel plates 10 which are arranged front and back and are triangular and a plurality of rectangular pipes 11 which fixedly connect the two triangular steel plates 10, and chamfers are machined at the end parts of the triangular steel plates 10.
Example 2
As shown in fig. 1 to 10, a trolley comprises a trolley body 18, a trolley body running mechanism 19 is arranged at the bottom of the trolley body 18, a balance arm device mounting seat 20 is arranged in the middle of the trolley body 18, a balance arm device 21 according to embodiment 1 is mounted in the balance arm device mounting seat 20, and a connecting shaft 8 is rotatably connected with the balance arm device mounting seat 20; a horizontally arranged winding drum 22 and a hoisting mechanism 23 for driving the winding drum 22 to rotate are arranged at the top of the vehicle body 18; a lifting hook assembly 24 is arranged in the middle of the bottom of the vehicle body 18;
one end of a steel wire rope I25 is fixed on the left side of the winding drum 22, and the other end of the steel wire rope I25 is fixedly connected with the steel wire rope connecting end 7 arranged on the right side after sequentially passing through a left movable pulley I26 fixed on the left side of the hook component 24, a direction-changing fixed pulley I27 fixed on the car body 18 and a right movable pulley I28 fixed on the right side of the hook component 24;
one end of a steel wire rope II 29 is fixed on the right side of the winding drum 22, and the other end of the steel wire rope II 29 is fixedly connected with the steel wire rope connecting end 7 arranged on the left side after sequentially passing through a right movable pulley II 30 fixed on the right side of the hook component 24, a direction-changing fixed pulley II 31 fixed on the car body 18 and a left movable pulley II 32 fixed on the left side of the hook component 24.
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 the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The balance arm device with the shock absorber is characterized by comprising a balance arm frame which is horizontally arranged, wherein two balance beams are symmetrically arranged on the left side and the right side below the balance arm frame, the upper ends of the two balance beams are connected with the lower part of the balance arm frame through a same hinge shaft I, the ends, close to the bottom of the two balance beams, are connected through a disc spring group, and the two ends of the disc spring group are respectively connected with the balance beams through hinge shafts II; and one ends of the two balance beams far away from the bottoms are connected with a steel wire rope connecting end through a pin shaft, and the pin shaft is higher than the hinge shaft II and lower than the hinge shaft I.
2. The balance arm device with the shock absorber as claimed in claim 1, wherein the balance arm frame is welded into a box-shaped structure by steel plates, the left end and the right end of the upper portion of the balance arm frame are respectively processed into connecting shafts, and reinforcing plates are welded to the inner sides of the front side plate and the rear side plate of the lower portion of the balance arm frame at the position of the hinge shaft I.
3. The balance arm device with the shock absorber according to claim 2, wherein the balance beam comprises two triangular steel plates which are arranged in front and back and are triangular, and a plurality of rectangular pipes which fixedly connect the two triangular steel plates, and chamfers are machined at the ends of the triangular steel plates.
4. The balance arm device with the shock absorber according to claim 3, wherein the disc spring set comprises a pull rod, a plurality of disc spring pieces are sleeved on the pull rod, two disc spring pieces positioned at the left end and the right end are provided with end shells, a shaft shoulder limiting protrusion is processed at the right end of the pull rod, a baffle is arranged at the left end of the pull rod, the baffle, the end shells arranged at the left end and the pull rod are fixed into a whole by bolts, a joint is fixed at one end of each end shell far away from the disc spring pieces, and the joint is connected with the hinge shaft II.
5. A crane trolley is characterized by comprising a trolley body, wherein a trolley body running mechanism is arranged at the bottom of the trolley body, a balance arm device mounting seat is arranged in the middle of the trolley body, a balance arm device according to claim 4 is mounted in the balance arm device mounting seat, and a connecting shaft is rotatably connected with the balance arm device mounting seat; a winding drum arranged horizontally and a hoisting mechanism driving the winding drum to rotate are arranged at the top of the trolley body; a lifting hook component is arranged in the middle of the bottom of the trolley body;
one end of a steel wire rope I is fixed on the left side of the winding drum, and the other end of the steel wire rope I is fixedly connected with the steel wire rope connecting end arranged on the right side after sequentially passing through a left movable pulley I fixed on the left side of the hook component, a direction-changing fixed pulley I fixed on the vehicle body and a right movable pulley I fixed on the right side of the hook component;
one end of a steel wire rope II is fixed on the right side of the winding drum, and the other end of the steel wire rope II sequentially passes through a right movable pulley II fixed on the right side of the hook component, a turning fixed pulley II fixed on the car body, and a left movable pulley II fixed on the left side of the hook component and then is fixedly connected with the steel wire rope connecting end arranged on the left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020877209.7U CN212532034U (en) | 2020-05-22 | 2020-05-22 | Take absorbing balance arm device and have device's monkey |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020877209.7U CN212532034U (en) | 2020-05-22 | 2020-05-22 | Take absorbing balance arm device and have device's monkey |
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| Publication Number | Publication Date |
|---|---|
| CN212532034U true CN212532034U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020877209.7U Active CN212532034U (en) | 2020-05-22 | 2020-05-22 | Take absorbing balance arm device and have device's monkey |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498690A (en) * | 2020-05-22 | 2020-08-07 | 大连华锐重工集团股份有限公司 | Take absorbing balance arm device and have device's monkey |
-
2020
- 2020-05-22 CN CN202020877209.7U patent/CN212532034U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498690A (en) * | 2020-05-22 | 2020-08-07 | 大连华锐重工集团股份有限公司 | Take absorbing balance arm device and have device's monkey |
| CN111498690B (en) * | 2020-05-22 | 2023-10-10 | 大连华锐重工集团股份有限公司 | Balance arm device with damping function and crane trolley with same |
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