CN220131755U - Amplitude limiting device for crane boom - Google Patents
Amplitude limiting device for crane boom Download PDFInfo
- Publication number
- CN220131755U CN220131755U CN202321019454.4U CN202321019454U CN220131755U CN 220131755 U CN220131755 U CN 220131755U CN 202321019454 U CN202321019454 U CN 202321019454U CN 220131755 U CN220131755 U CN 220131755U
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- base
- boom
- lifting
- limiting device
- rope
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- 230000000694 effects Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 18
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of crane, and discloses a crane boom amplitude limiting device which comprises a base and a boom, wherein a supporting table is fixedly arranged at the center of the top of the base, a U-shaped frame is fixedly arranged at the top of the base, a round roller is rotatably arranged between two vertical edges of the U-shaped frame, a connecting rope is connected onto the round roller in a winding manner, the tail end of the boom is rotatably arranged at the top of the supporting table, the bottom of the boom is provided with a sliding groove, a sliding block slides in the sliding groove, an adjusting mechanism for adjusting the boom is arranged between the sliding block and the top of the base, a lifting rope is arranged at the top end of the boom, and a limiting mechanism for limiting the lifting rope is arranged on the boom. According to the utility model, through the arrangement of the connecting rope, the sleeve and the loop bar, the connecting plate, the lifting rope and the hook can be limited during lifting, so that the stability during lifting is ensured, and in addition, the lifting arm can be pulled through the connecting rope, so that the stability during use of the lifting arm is ensured, and the use effect of the equipment is further improved.
Description
Technical Field
The utility model relates to the technical field of crane, in particular to a crane boom amplitude limiting device.
Background
The crane is a foreign word, also called as a ship crane and a ship crane, is a large deck machine on a ship, is equipment for loading and unloading cargoes on the ship, and is a loading and unloading equipment commonly used on the ship.
The existing marine suspension arm amplitude-changing control device generally does not have the function of limiting control on the hook during lifting, so that when an object is lifted, the lifted object is easy to shake, the situation of collision with other objects is caused, the use safety of the crane is reduced, and therefore, the crane suspension arm amplitude-changing limiting device needs to be redesigned to solve the problem that the hook cannot be limited during lifting of the object.
Disclosure of Invention
The utility model aims to solve the defect that a hook cannot be limited when an object is lifted in the prior art, and provides a crane boom amplitude limiting device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an amplitude limiting device for a crane boom, comprising:
the base is characterized in that a supporting table is fixedly arranged at the center of the top of the base, a U-shaped frame is fixedly arranged at the top of the base, a round roller is rotatably arranged between two vertical edges of the U-shaped frame, and a connecting rope is wound on the round roller;
the suspension arm, the suspension arm end rotates to install in the brace table top, and the spout has been seted up to the suspension arm bottom, the inside slip of spout has the slider, and is equipped with the adjustment mechanism who is used for adjusting the suspension arm between slider and the base top, the suspension arm top is provided with the lifting rope, and is equipped with the stop gear who is used for spacing lifting rope on the suspension arm.
As a further technical scheme of the utility model, one end of the top of the suspension arm is fixedly provided with a suspension ring, one end of a connecting rope is fixedly arranged on the suspension ring, one side of the U-shaped frame is provided with a first motor, and an output shaft of the first motor is arranged at the center of one end of the round roller.
As a further technical scheme of the utility model, a screw rod is rotatably arranged in the sliding groove, the surface of the screw rod is connected in the sliding block through threads, a second motor is arranged at one end in the sliding groove, and an output shaft of the second motor is arranged at a single center of the screw rod.
As a further aspect of the present utility model, the adjusting mechanism includes: the hydraulic telescopic rod, equal fixed mounting in hydraulic telescopic rod both ends has the fixed block, and fixed mounting has the pivot on two fixed blocks.
As a further technical scheme of the utility model, two ends of each rotating shaft are rotatably provided with the same U-shaped block, and the two U-shaped blocks are respectively and fixedly arranged at the top of the base and the bottom of the sliding block.
As a further technical solution of the present utility model, the limiting mechanism includes: the connecting plate, the lifting rope end fixed mounting is in connecting plate top one end, and connecting plate bottom center department fixed mounting has the couple.
As a further technical scheme of the utility model, the bottom of the suspension arm is fixedly provided with a sleeve perpendicular to the suspension arm, a sleeve rod slides in the sleeve, and the tail end of the sleeve rod is fixedly arranged at the other end of the top of the connecting plate.
The beneficial effects of the utility model are as follows:
this crane davit becomes width of cloth stop device, through the setting of connecting rope, sleeve and loop bar, not only can carry out spacingly to linking plate, lifting rope and couple when lifting by crane, guaranteed the stability when lifting by crane, accessible connecting rope pulls the davit in addition, has guaranteed the stability when the davit uses, and then has improved the result of use of this equipment.
Drawings
FIG. 1 is a schematic diagram of a crane boom luffing limiting device according to the present utility model;
fig. 2 is a schematic view of a bottom view structure of a crane boom amplitude limiting device according to the present utility model;
FIG. 3 is a schematic view of the base and support table of the amplitude limiting device of the crane boom;
fig. 4 is a schematic cross-sectional view of a crane boom luffing limiting device according to the present utility model.
In the figure: 1. a base; 2. a support table; 3. a U-shaped frame; 4. a suspension arm; 5. a hanging ring; 6. a connecting rope; 7. a first motor; 8. a hydraulic telescopic rod; 9. a hanging rope; 10. a splice plate; 11. a hook; 12. a sleeve; 13. a loop bar; 14. a chute; 15. a slide block; 16. a screw rod; 17. a second motor; 18. a U-shaped block; 19. a round roller; 20. a rotating shaft; 21. and a fixed block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-4, a crane boom luffing limiting device comprising: base 1 and davit 4, base 1 top center department fixed mounting has brace table 2, and base 1 top still fixed mounting has U type frame 3, round roller 19 is installed in the rotation between two perpendicular limits of U type frame 3, and the round roller 19 goes up the round connection and has connect rope 6, the terminal rotation of davit 4 is installed in brace table 2 top, and spout 14 has been seted up to davit 4 bottom, the inside slider 15 that slides of spout 14, and be equipped with the adjustment mechanism who is used for adjusting davit 4 between slider 15 and the base 1 top, davit 4 top is provided with lifting rope 9, and be equipped with the stop gear who is used for spacing lifting rope 9 on the davit 4, davit 4 top one end fixed mounting has rings 5, and connect rope 6 one end fixed mounting is on rings 5, first motor 7 is installed to U type frame 3 one side, and the output shaft of first motor 7 is installed in round roller 19 one end center department, spout 14 inside rotation is installed lead screw 16, and the lead screw 16 surface is inside slider 15 through threaded connection, spout 14 inside one end is installed second motor 17, and the output shaft of second motor 17 installs in lead screw 16 single center department, through setting up through this equipment, can not make the hydraulic pressure to carry out the telescopic boom 4 to the telescopic link 4 when can also making the telescopic link 4, can be guaranteed through the telescopic link 4, when the telescopic link 4 is used for the telescopic link 4, in addition, when using the telescopic link 4 has been guaranteed.
Referring to fig. 1 and 3, in a preferred embodiment, the adjustment mechanism comprises: the hydraulic telescopic rod 8, the equal fixed mounting in hydraulic telescopic rod 8 both ends have fixed block 21, and fixed mounting has pivot 20 on two fixed blocks 21, and the same U type piece 18 is installed in the rotation of every pivot 20 both ends, and two U type pieces 18 are fixed mounting respectively in base 1 top and slider 15 bottom, through adjustment mechanism's setting for remove davit 4 through hydraulic telescopic rod 8, conveniently lift by crane the object.
Referring to fig. 4 and 3, in a preferred embodiment, the spacing mechanism comprises: the connecting plate 10, the terminal fixed mounting of lifting rope 9 in connecting plate 10 top one end, and connecting plate 10 bottom center department fixed mounting has couple 11, and davit 4 bottom perpendicular to davit 4 fixed mounting has sleeve 12, and the inside slip of sleeve 12 has loop bar 13, and loop bar 13 terminal fixed mounting is in connecting plate 10 top other end for through stop gear's setting for spacing couple 11, guaranteed can not rock when lifting by crane the object, guaranteed the stability when lifting by crane the object.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: when the supporting point of the suspension arm 1 needs to be changed, the screw rod 16 is driven to rotate only through the second motor 17, the screw rod 16 rotates to drive the sliding block 15 to move, the sliding block 15 moves to drive one of the U-shaped blocks 18 to move, therefore, the position of the supporting point of the suspension arm 4 can be adjusted by the hydraulic telescopic rod 8, in addition, the round roller 19 is driven to rotate through the first motor 7, the round roller 19 can tighten or unwind the connecting rope 6, thereby facilitating the movement of the suspension arm 4 or the traction of the suspension arm 4, finally, when an object is lifted by using the crane, the sleeve 12 and the loop bar 13 can carry out limit control on the connecting plate 10, further limit control can be carried out on the lifting rope 9 and the hook 11, and the situations that the lifted object also follows the shaking and the lifting effect is reduced due to shaking of the lifting rope 9 and the hanging ring 11 during use are avoided.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. Amplitude limiting device of crane boom, characterized by comprising:
the base (1), the center of the top of the base (1) is fixedly provided with a supporting table (2), the top of the base (1) is also fixedly provided with a U-shaped frame (3), a round roller (19) is rotatably arranged between two vertical edges of the U-shaped frame (3), and a connecting rope (6) is wound on the round roller (19);
the lifting arm (4), the end rotation of lifting arm (4) is installed in supporting bench (2) top, and spout (14) have been seted up to lifting arm (4) bottom, spout (14) inside slip has slider (15), and is equipped with the adjustment mechanism who is used for adjusting lifting arm (4) between slider (15) and base (1) top, lifting arm (4) top is provided with lifting rope (9), and is equipped with the stop gear who is used for spacing lifting rope (9) on lifting arm (4), lifting arm (4) top one end fixed mounting has rings (5), and connecting rope (6) one end fixed mounting is on rings (5), first motor (7) are installed to U type frame (3) one side, and the output shaft of first motor (7) is installed in round roller (19) one end center department.
2. The crane boom amplitude limiting device according to claim 1, wherein a screw rod (16) is rotatably installed inside the sliding groove (14), the surface of the screw rod (16) is connected inside the sliding block (15) through threads, a second motor (17) is installed at one end inside the sliding groove (14), and an output shaft of the second motor (17) is installed at a single center of the screw rod (16).
3. The crane boom amplitude limiting device of claim 2, wherein the adjustment mechanism comprises: the hydraulic telescopic rod (8), fixed blocks (21) are fixedly installed at two ends of the hydraulic telescopic rod (8), and rotating shafts (20) are fixedly installed on the two fixed blocks (21).
4. A crane boom amplitude limiting device according to claim 3, characterized in that the same U-shaped block (18) is rotatably mounted at both ends of each rotating shaft (20), and the two U-shaped blocks (18) are fixedly mounted at the top of the base (1) and at the bottom of the slide block (15) respectively.
5. The crane boom amplitude limiting device of claim 4, wherein the limiting mechanism comprises: the connecting plate (10), the terminal fixed mounting in connecting plate (10) top one end of lifting rope (9), and connecting plate (10) bottom center department fixed mounting has couple (11).
6. The crane boom amplitude limiting device according to claim 5, wherein the bottom of the boom (4) is fixedly provided with a sleeve (12) perpendicular to the boom (4), a sleeve rod (13) is arranged in the sleeve (12) in a sliding mode, and the tail end of the sleeve rod (13) is fixedly arranged at the other end of the top of the connecting plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019454.4U CN220131755U (en) | 2023-05-03 | 2023-05-03 | Amplitude limiting device for crane boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019454.4U CN220131755U (en) | 2023-05-03 | 2023-05-03 | Amplitude limiting device for crane boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220131755U true CN220131755U (en) | 2023-12-05 |
Family
ID=88955876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321019454.4U Active CN220131755U (en) | 2023-05-03 | 2023-05-03 | Amplitude limiting device for crane boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220131755U (en) |
-
2023
- 2023-05-03 CN CN202321019454.4U patent/CN220131755U/en active Active
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