CN221051403U - Protection device for lifting structure of crane - Google Patents
Protection device for lifting structure of crane Download PDFInfo
- Publication number
- CN221051403U CN221051403U CN202322533560.0U CN202322533560U CN221051403U CN 221051403 U CN221051403 U CN 221051403U CN 202322533560 U CN202322533560 U CN 202322533560U CN 221051403 U CN221051403 U CN 221051403U
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- China
- Prior art keywords
- fixedly connected
- crane
- protection
- lifting structure
- protection device
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- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000010485 coping Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model is suitable for the technical field of cranes, and provides a protection device for a lifting structure of a crane. This protection device of hoist rises structure, through setting up protection rope, the ring gear, hydraulic stem and latch piece, the device is when using, the one end fixed connection of protection rope is on the couple, follow the motion of couple and lengthen or shorten, and when the cable of couple one end appears breaking, a plurality of hydraulic stems of the inside of device can the rapid reaction outwards lengthen, thereby a plurality of latch piece of its outer end card goes into a plurality of inter-slot of ring gear respectively inside, thereby come to carry out spacing fixed to the ring gear, thereby synchronous fixed wind-up roll with ring gear fixed connection, the length of protection rope just can not change this moment, thereby carry out new fixed stay to the couple, prevent that it from dropping, the protection effect has been played, thereby the practicality of the device has been improved.
Description
Technical Field
The utility model belongs to the technical field of cranes, and particularly relates to a protection device for a lifting structure of a crane.
Background
A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. The crane is characterized in that the crane is operated intermittently, namely, corresponding mechanisms of taking, transporting, unloading and the like in one working cycle are operated alternately, and the crane is developed and used more and more widely in the market.
The lifting structure of the crane mainly controls movement through the steel cable, after the service time is long, the strength of the steel cable is weakened, if the steel cable is not replaced in time, the steel cable is likely to be broken, and the current lifting structure of the crane does not always have a structure for coping with the breakage of the steel cable.
Disclosure of utility model
The utility model provides a protection device of a crane lifting structure, and aims to solve the problem that the existing crane lifting structure does not have a structure for coping with steel cable fracture.
The utility model discloses a protection device of a lifting structure of a crane, which comprises a crane body, wherein a plurality of cables are arranged at the bottom end of the crane body, and hooks are arranged at the bottom ends of the cables;
the utility model discloses a hoist, including hoist body, connecting plate, a plurality of connecting rods of vertical fixedly connected with in bottom of connecting plate, a plurality of the bottom fixedly connected with mount pad of connecting rod, the inside of mount pad transversely rotates and is connected with the wind-up roll, wind-up roll body surface fixedly connected with protection rope, protection rope winds to be located the surface of wind-up roll, the other end fixedly connected with of protection rope in the couple top, one side fixedly connected with ring gear of wind-up roll, the bottom fixedly connected with curved device seat of connecting plate, the bottom fixedly connected with of device seat a plurality of hydraulic stems, a plurality of the equal fixedly connected with in piston rod bottom of hydraulic stem with the latch piece of ring gear looks adaptation.
Preferably, the bottom of the crane body is located at one side of the connecting plate and is vertically and fixedly connected with a device frame, and the bottom inside the device frame is transversely connected with a rotating shaft in a rotating manner.
Preferably, a first belt pulley is fixedly connected to one side surface of the wind-up roll, a second belt pulley is fixedly connected to the outer surface of the rotating shaft, and the first belt pulley is connected with the second belt pulley through belt transmission.
Preferably, the bottom end of one side of the device frame is transversely and fixedly connected with a servo motor, and an output shaft of the servo motor rotatably penetrates through the device frame and is fixedly connected with one end of the rotating shaft.
Preferably, both sides of the bottom end of the crane body are provided with infrared emitters.
Preferably, the protection rope is a steel cable.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: according to the protection device of the lifting structure of the crane, the protection rope, the toothed ring, the hydraulic rods and the latch blocks are arranged, one end of the protection rope is fixedly connected to the hook when the protection device is used, the protection rope stretches or shortens along with the movement of the hook, when a cable at one end of the hook breaks, the hydraulic rods in the protection device rapidly react to stretch outwards, so that the latch blocks at the outer end of the protection device are respectively clamped into the slots of the toothed ring, the toothed ring is limited and fixed, the winding roller fixedly connected with the toothed ring is synchronously fixed, the length of the protection rope is not changed at the moment, the hook is fixedly supported, the hook is prevented from falling, the protection effect is achieved, and the practicability of the protection device is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the present utility model inside a crane;
FIG. 3 is a schematic view of a wind-up roll according to the present utility model.
In the figure: 1-crane body, 2-cable, 3-couple, 4-infrared emitter, 5-connecting plate, 6-connecting rod, 7-mount pad, 8-wind-up roll, 9-ring gear, 10-first belt pulley, 11-device seat, 12-hydraulic stem, 13-latch piece, 14-device frame, 15-second belt pulley, 16-protection rope, 17-servo motor.
Description of the embodiments
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the protection device of the crane lifting structure comprises a crane body 1, wherein a plurality of cables 2 are arranged at the bottom end of the crane body 1, and hooks 3 are arranged at the bottom ends of the cables 2;
The lower fixed surface of hoist body 1 is connected with connecting plate 5, the vertical fixedly connected with of bottom of connecting plate 5 is a plurality of connecting rods 6, the bottom fixedly connected with mount pad 7 of a plurality of connecting rods 6, the inside transverse rotation of mount pad 7 is connected with wind-up roll 8, wind-up roll 8 roll body fixed surface is connected with protection rope 16, protection rope 16 winds the surface of locating wind-up roll 8, the other end fixedly connected with of protection rope 16 is on the couple 3 top, one side fixed surface of wind-up roll 8 is connected with ring gear 9, the bottom fixedly connected with curved device seat 11 of connecting plate 5, the bottom fixedly connected with of device seat 11 a plurality of hydraulic stems 12, the equal fixedly connected with of piston rod bottom of a plurality of hydraulic stems 12 and latch piece 13 of ring gear 9 looks adaptation.
The protection cord 16 is a steel cable.
In this embodiment, when the device is in use, one end of the protection rope 16 is fixedly connected to the hook 3, and stretches or shortens along with the movement of the hook 3, and when the cable 2 at one end of the hook 3 breaks, the hydraulic rods 12 in the device rapidly react and stretch outwards, so that the tooth blocks 13 at the outer end of the device are respectively clamped into the slots of the tooth ring 9, so that the tooth ring 9 is limited and fixed, the winding roller 8 fixedly connected with the tooth ring 9 is synchronously fixed, the length of the protection rope 16 is not changed, the hook 3 is supported in a new fixed manner, the hook is prevented from falling, the protection effect is achieved, and the practicability of the device is improved.
Further, the bottom of the crane body 1 and one side of the connecting plate 5 are vertically and fixedly connected with a device frame 14, and the bottom inside the device frame 14 is transversely connected with a rotating shaft in a rotating manner.
One side surface of the wind-up roll 8 is fixedly connected with a first belt pulley 10, the outer surface of the rotating shaft is fixedly connected with a second belt pulley 15, and the first belt pulley 10 and the second belt pulley 15 are connected through belt transmission.
The bottom of one side of the device frame 14 is transversely and fixedly connected with a servo motor 17, and an output shaft of the servo motor 17 rotatably penetrates through the device frame 14 and is fixedly connected with one end of the rotating shaft.
In this embodiment, the extension and shortening of the protection rope 16 is controlled by the forward or reverse rotation of the winding roller 8, the rotation of the winding roller 8 is controlled by the rotation of the rotating shaft, the second pulley 15 on the surface of the rotating shaft drives the first pulley 10 to rotate when the rotating shaft rotates, so as to drive the winding roller 8 to rotate, and the rotating shaft is controlled to rotate by the servo motor 17.
Further, both sides of the bottom end of the crane body 1 are provided with infrared emitters 4.
In this embodiment, when the cable 2 breaks, the hook 3 must move in one direction, and when it moves to the position of the infrared emitter 4, it will be detected, the infrared emitter 4 will send a signal to the receiver of the crane, and the signal is transferred to the inside of the controller through the converter, so as to rapidly control the operation of the plurality of hydraulic rods 12.
The working principle and the using flow of the utility model are as follows: after the device is installed, when the device is used, one end of the protection rope 16 is fixedly connected onto the hook 3 and stretches or shortens along with the movement of the hook 3, and when the cable 2 at one end of the hook 3 breaks, a plurality of hydraulic rods 12 in the device rapidly react and stretch outwards, so that a plurality of latch blocks 13 at the outer end of the device are respectively clamped into a plurality of slots of the toothed ring 9, the toothed ring 9 is limited and fixed, the winding roller 8 fixedly connected with the toothed ring 9 is synchronously fixed, the length of the protection rope 16 is not changed, the hook 3 is newly fixedly supported and prevented from falling, the protection effect is achieved, and the practicability of the device is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a protection device of hoist rises structure which characterized in that: the crane comprises a crane body (1), wherein a plurality of cables (2) are arranged at the bottom end of the crane body (1), and hooks (3) are arranged at the bottom ends of the cables (2);
The lower surface of the crane body (1) is fixedly connected with a connecting plate (5), the bottom end of the connecting plate (5) is vertically and fixedly connected with a plurality of connecting rods (6), the bottom ends of the connecting rods (6) are fixedly connected with a mounting seat (7), the inside of the mounting seat (7) is transversely and rotationally connected with a winding roller (8), the surface of the roller body of the winding roller (8) is fixedly connected with a protection rope (16), the protection rope (16) is wound on the surface of the winding roller (8), the other end fixedly connected with of protection rope (16) in couple (3) top, one side fixed surface of wind-up roll (8) is connected with ring gear (9), the bottom fixedly connected with curved device seat (11) of connecting plate (5), the bottom fixedly connected with of device seat (11) a plurality of hydraulic stems (12), a plurality of the piston rod bottom of hydraulic stem (12) all fixedly connected with tooth piece (13) of ring gear (9) looks adaptation.
2. The protection device for a lifting structure of a crane according to claim 1, wherein: the bottom of hoist body (1) just is located one side vertical fixedly connected with device frame (14) of connecting plate (5), the inside bottom of device frame (14) transversely rotates and is connected with the pivot.
3. The protection device for a lifting structure of a crane according to claim 2, wherein: one side surface fixedly connected with first belt pulley (10) of wind-up roll (8), the surface fixedly connected with second belt pulley (15) of pivot, first belt pulley (10) with be connected through belt transmission between second belt pulley (15).
4. The protection device for a lifting structure of a crane according to claim 2, wherein: the bottom of one side of the device frame (14) is transversely and fixedly connected with a servo motor (17), and an output shaft of the servo motor (17) rotatably penetrates through the device frame (14) and is fixedly connected with one end of the rotating shaft.
5. The protection device for a lifting structure of a crane according to claim 1, wherein: both sides of the bottom end of the crane body (1) are provided with infrared emitters (4).
6. The protection device for a lifting structure of a crane according to claim 1, wherein: the protective rope (16) is a steel cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322533560.0U CN221051403U (en) | 2023-09-19 | 2023-09-19 | Protection device for lifting structure of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322533560.0U CN221051403U (en) | 2023-09-19 | 2023-09-19 | Protection device for lifting structure of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221051403U true CN221051403U (en) | 2024-05-31 |
Family
ID=91222252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322533560.0U Active CN221051403U (en) | 2023-09-19 | 2023-09-19 | Protection device for lifting structure of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221051403U (en) |
-
2023
- 2023-09-19 CN CN202322533560.0U patent/CN221051403U/en active Active
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| GR01 | Patent grant |