CN212954034U - Telescopic folding arm type rotary crane - Google Patents
Telescopic folding arm type rotary crane Download PDFInfo
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- CN212954034U CN212954034U CN202021592258.2U CN202021592258U CN212954034U CN 212954034 U CN212954034 U CN 212954034U CN 202021592258 U CN202021592258 U CN 202021592258U CN 212954034 U CN212954034 U CN 212954034U
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Abstract
The utility model discloses a scalable roll over arm-type slewing crane, which comprises a base, rotate the body of the tower of connection on the base through rotation mechanism, first arm body, the second arm body, third arm body and flexible arm, the one end of first arm body is articulated mutually with the body of the tower upper end, one side of body of the tower has two mounting panels, it is connected with first pneumatic cylinder to rotate between two mounting panels, the piston rod of first pneumatic cylinder is articulated mutually with the middle part of first arm body, the other end of first arm body is articulated mutually with the one end of second arm body, the other end of second arm body is articulated mutually with the one end of third arm body, still rotate on the first arm body and be connected with the second pneumatic cylinder, the piston rod of second pneumatic cylinder is connected with the middle part of third arm body, flexible arm is connected on the third arm body, be fixed with the third pneumatic cylinder on the third arm body, the piston rod of third pneumatic cylinder is connected with flexible arm, the utility model discloses simple structure, The dead weight is little, occupation space is few, and the home range is wider and more nimble, is applicable to small-size boats and ships very much.
Description
Technical Field
The utility model relates to a scalable folding arm formula slewing crane.
Background
The folding-arm type rotary crane is a common hoisting device on a ship, but the folding-arm type rotary crane in the prior art is generally designed for a large ship, has a great weight, occupies more space after being folded, and still has more places to be improved for a small ship.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of above-mentioned prior art, provide a scalable arm-folding type slewing crane.
The technical scheme of the utility model is that: a telescopic folding arm type rotary crane comprises a base, a rotary mechanism, a tower body, a first arm body, a second arm body, a third arm body and a telescopic arm, wherein a hook component is fixed at the end part of the telescopic arm, one end of the first arm body is hinged with the upper end of the tower body, two mounting plates are arranged on one side of the tower body, a first hydraulic cylinder is rotatably connected between the two mounting plates, a piston rod of the first hydraulic cylinder is hinged with the middle part of the first arm body, the other end of the first arm body is hinged with one end of the second arm body, the other end of the second arm body is hinged with one end of the third arm body, a second hydraulic cylinder is further rotatably connected on the first arm body, a piston rod of the second hydraulic cylinder is connected with the middle part of the third arm body, the third arm body is a hollow arm body with one open end, and the telescopic arm is inserted and connected on the third arm body, the tip of flexible arm still is fixed with connecting portion, the lifting hook subassembly is fixed on connecting portion, the open end top of the third arm body is fixed with the third pneumatic cylinder, the piston rod of third pneumatic cylinder is connected with connecting portion, the body of the tower bottom has a chassis, the chassis rotates through a carousel and connects on the base, the bottom middle part of carousel has a gear shaft, the gear shaft inserts and connects in the base, one side of base still is fixed with a gear motor, gear motor's output shaft inserts to be connected in the base and is connected with the gear shaft through the gear train.
Furthermore, the second hydraulic cylinder is arranged close to the joint of the first arm body and the second arm body.
Furthermore, the third hydraulic cylinder is fixed above the third arm body through a reinforced fixing sleeve.
Furthermore, the tower body is a stand column, two reinforcing rods are rotatably connected between the second arm body and the tower body, the reinforcing rods and the first arm body are arranged in parallel and are located under the first arm body, and a piston rod of the first hydraulic cylinder penetrates between the two reinforcing rods.
Furthermore, the bottom of the rotary table is provided with an annular slide way, and a ball is arranged in the slide way.
Furthermore, the two mounting plates are triangular mounting plates, and the bottoms of the mounting plates are connected with the chassis.
The utility model has the advantages that: the utility model discloses simple structure, dead weight are little, occupation space is few, and the home range is wider and more nimble, is applicable to very much small-size boats and ships.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1, a telescopic folding arm type slewing crane comprises a base 1, a slewing mechanism, a tower body 2, a first arm body 3, a second arm body 4, a third arm body 5 and a telescopic arm 6, wherein a hook assembly 7 is fixed at the end of the telescopic arm 6;
one end of the first arm body 3 is hinged with the upper end of the tower body 2, one side of the tower body 2 is provided with two mounting plates 8, a first hydraulic cylinder 9 is rotatably connected between the two mounting plates 8, a piston rod of the first hydraulic cylinder 9 is hinged with the middle part of the first arm body 3, the other end of the first arm body 3 is hinged with one end of the second arm body 4, the other end of the second arm body 4 is hinged with one end of the third arm body 5, the first arm body 3 is further rotatably connected with a second hydraulic cylinder 10, a piston rod of the second hydraulic cylinder 10 is connected with the middle part of the third arm body 5, the third arm body 5 is a hollow arm body with one open end, the telescopic arm 6 is inserted and connected onto the third arm body 5, a connecting part 14 is further fixed at the end part of the telescopic arm 6, the hook component 7 is fixed on the connecting part 14, a third hydraulic cylinder 15 is fixed above the open end of the third arm body 5, a piston rod of the third hydraulic cylinder 15 is connected with the connecting part 14;
through the structural design, the first arm body 3, the second arm body 4 and the third arm body 5 are all bendable mechanisms, the telescopic arm 6 can be telescopic on the third arm body 5, the working range of the whole crane is effectively improved, and meanwhile, the occupied area of the crane can be greatly reduced after each arm body is folded;
the second hydraulic cylinder 10 is arranged close to the joint of the first arm body 3 and the second arm body 4 so as to improve the stability of the third arm body 5 in a lifting state, the tower body 2 is a stand column, two reinforcing rods 11 are rotatably connected between the second arm body 4 and the tower body 2, the two reinforcing rods 11 and the first arm body 3 are arranged in parallel and are positioned under the first arm body 3, and a piston rod of the first hydraulic cylinder 9 penetrates between the two reinforcing rods 11 so as to improve the connection reliability of the tower body 2, the first arm body 3 and the second arm body 4; the third hydraulic cylinder 15 is fixed above the third arm body 5 through a reinforced fixing sleeve;
the bottom of the tower body 2 is provided with a chassis 16, the two mounting plates 8 are triangular mounting plates 8, the bottoms of the mounting plates 8 are connected with the chassis 16, and the two mounting plates 8 also play a role of reinforcing plates so as to improve the stability of the tower body 2; the base plate 16 is connected to the base 1 through a rotary plate 17 in a rotating mode, an annular slide way is arranged at the bottom of the rotary plate 17, balls are arranged in the slide way, a gear shaft 18 is arranged in the middle of the bottom of the rotary plate 17, the gear shaft 18 is inserted into and connected to the base 1, a speed reducing motor 19 is further fixed to one side of the base 1, an output shaft of the speed reducing motor 19 is inserted into and connected to the base 1 and connected with the gear shaft 18 through a gear set 20, and through the structure, the driving motor can drive the rotary plate 17, the base plate 16 and the tower body 2 to rotate.
The utility model discloses a theory of operation and beneficial effect are: the utility model discloses a base 1 buries underground on the deck of boats and ships, and rotation mechanism can drive the body of the tower 2 and rotate, and the piston rod of first pneumatic cylinder 9, second pneumatic cylinder 10 can drive first arm body 3, third arm body 5 and lift or fall, and third pneumatic cylinder 15 can drive flexible arm 6 and stretch out and draw back, from this, compares traditional folding arm crane, the utility model discloses a lifting height and length have effectively been increased, simultaneously the utility model discloses can carry out 360 rotations, the home range is more nimble; after finishing work, the utility model discloses a first arm body 3 can bend and draw in one side of body of the tower 2, and third arm body 5 bends and draws in one side of first arm body 3, bends and still can rotate certain angle as required after drawing in to avoid the passageway that supplies the staff to pass.
It is worth mentioning, the utility model discloses because its structural design, first arm body 3, second arm body 4 and third arm body 5 compare traditional jib loading boom volume, the weight of folding jib crane and all obtained effectual lightening, still have the dead weight little, advantage that low in manufacturing cost, be applicable to very much small watercraft.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a scalable knuckle boom formula slewing crane which characterized in that: the tower comprises a base, a swing mechanism, a tower body, a first arm body, a second arm body, a third arm body and a telescopic arm, wherein a hook component is fixed at the end part of the telescopic arm, one end of the first arm body is hinged with the upper end of the tower body, two mounting plates are arranged on one side of the tower body, a first hydraulic cylinder is rotatably connected between the two mounting plates, a piston rod of the first hydraulic cylinder is hinged with the middle part of the first arm body, the other end of the first arm body is hinged with one end of the second arm body, the other end of the second arm body is hinged with one end of the third arm body, a second hydraulic cylinder is further rotatably connected on the first arm body, a piston rod of the second hydraulic cylinder is connected with the middle part of the third arm body, the third arm body is a hollow arm body with one open end, the telescopic arm is inserted and connected on the third arm body, and a connecting part is further fixed at the end part of the telescopic arm, the lifting hook component is fixed on the connecting portion, a third hydraulic cylinder is fixed above the open end of the third arm body, a piston rod of the third hydraulic cylinder is connected with the connecting portion, a chassis is arranged at the bottom of the tower body and is connected to the base through a rotating disc, a gear shaft is arranged in the middle of the bottom of the rotating disc and is inserted into and connected to the base, a speed reduction motor is further fixed on one side of the base, and an output shaft of the speed reduction motor is inserted into and connected to the base and is connected to the gear shaft through the gear set.
2. The telescopic folding arm slewing crane according to claim 1, characterized in that: the second hydraulic cylinder is arranged close to the joint of the first arm body and the second arm body.
3. The telescopic folding arm slewing crane according to claim 1, characterized in that: the third hydraulic cylinder is fixed above the third arm body through a reinforcing fixing sleeve.
4. The telescopic folding arm slewing crane according to claim 1, characterized in that: the tower body is a stand column, two reinforcing rods are rotatably connected between the second arm body and the tower body, the reinforcing rods and the first arm body are arranged in parallel and located under the first arm body, and a piston rod of the first hydraulic cylinder penetrates between the two reinforcing rods.
5. The telescopic folding arm slewing crane according to claim 1, characterized in that: the bottom of the rotary table is provided with an annular slide way, and balls are arranged in the slide way.
6. The telescopic folding arm slewing crane according to claim 1, characterized in that: the two mounting plates are triangular mounting plates, and the bottoms of the mounting plates are connected with the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592258.2U CN212954034U (en) | 2020-08-04 | 2020-08-04 | Telescopic folding arm type rotary crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592258.2U CN212954034U (en) | 2020-08-04 | 2020-08-04 | Telescopic folding arm type rotary crane |
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| Publication Number | Publication Date |
|---|---|
| CN212954034U true CN212954034U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021592258.2U Active CN212954034U (en) | 2020-08-04 | 2020-08-04 | Telescopic folding arm type rotary crane |
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| CN (1) | CN212954034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114803898A (en) * | 2022-05-06 | 2022-07-29 | 中国海洋大学 | Marine folding arm crane capable of compensating multi-degree-of-freedom movement of ship body |
-
2020
- 2020-08-04 CN CN202021592258.2U patent/CN212954034U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114803898A (en) * | 2022-05-06 | 2022-07-29 | 中国海洋大学 | Marine folding arm crane capable of compensating multi-degree-of-freedom movement of ship body |
| CN114803898B (en) * | 2022-05-06 | 2022-12-16 | 中国海洋大学 | Marine folding arm crane capable of compensating multi-degree-of-freedom motion of ship body |
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