A kind of hoist roller
The utility model relates to crane technical field more particularly to a kind of hoist rollers.
It is often to be carried out by being realized by reel device drives wirerope to weight in lifting equipment used at present
Operation is promoted and puts down, therefore wherein equipment operational reliability and stability play vital work to reel equipment to improving
With in traditional wherein equipment, wirerope is wrapped on reel by gravity, and wirerope would tend to occur in this way and rolling up
The situation of the surface wrap unevenness of cylinder needs a kind of limit in addition, occurring the phenomenon that reel reversion during lifting in order to prevent
Position device come guarantee lifting appliance operation stability.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of crane volume proposed
To achieve the goals above, the utility model adopts the technical scheme that
A kind of hoist roller, including fixing seat and spool body, are rotatablely connected between the spool body and fixing seat,
The side of the fixing seat is equipped with link slot, and the two sides of link slot offer sliding slot, are equipped with guiding axis, sliding slot between two sliding slots
Inside have equipped with driven wheel, the inside of the fixing seat is equipped with connecting cavity, and connecting cavity is located at the side of link slot, connecting cavity
Inside be equipped with driving wheel, the both ends of the spool body are fixedly connected to shaft, and spool body is close to connecting cavity side
Shaft extend to the outside of fixing seat through connecting cavity, one end that shaft is located at outside fixing seat is fixedly connected with runner, turn
The outside of axis is fixedly connected with cam, and cam is located at the inside of connecting cavity, and the side of the fixing seat is set there are two screw rod, and two
The outer cover of a screw rod is equipped with the first limit plate, and is threadedly coupled between the first limit plate and screw rod, first limit plate
One end is fixedly connected with mobile column, and one end of mobile column extends to the inside of connecting cavity, and mobile column is located inside connecting cavity
One end offers spring eye, and the inside of spring eye is equipped with limited block, and one end of limited block is located at the outside of spring eye, the limit
Position block is matched with cam.
Preferably, it is triangular structure of right angle that the limited block, which is located at one end outside spring eye, and the inside of spring eye is set
There is spring, and one end of spring is fixedly connected with the side of spring eye, the other end of spring is fixedly connected with one end of limited block.
Preferably, two screw rods are rotatablely connected between fixing seat, and the second limit is equipped between two screw rods
Plate, the second limit plate are located at side of first limit plate far from fixing seat, and one end of two screw rods is fixedly connected to
One belt pulley, the sides of two screw rods are equipped with first servo motor, set that there are two the second skins on the output shaft of first servo motor
Belt wheel, and belt is equipped between the first belt pulley and the second belt pulley.
Preferably, the guiding axis is made of two cross bars, and distance is equipped between two cross bars, and between two cross bars
Distance be greater than wirerope diameter.
Preferably, the both ends of the guiding axis are equipped with sprocket wheel, and chain, sprocket wheel and chain are equipped between driving wheel and driven wheel
To cooperation between item.
The beneficial effects of the utility model are:
1, the position of wirerope is controlled by the horizontal reciprocating movement of guiding axis, to guarantee that wirerope is uniformly wound
On the surface of spool body；
2, by the cooperation between limited block and cam, achieved the purpose that limit cam reversion, to avoid reel sheet
Body is because of reversion bring harm.
The utility model is structurally reasonable, ingenious in design, and wirerope can not only be made uniformly to be wrapped in the table of spool body
Face also avoids spool body reversion bring harm.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of hoist roller structural schematic diagram；
Fig. 2 be the utility model proposes a kind of hoist roller cam side view.
In figure: 1 fixing seat, 2 spool bodies, 3 guiding axis, 4 connecting plates, 5 runners, 6 cams, 7 limited blocks, 8 mobile columns, 9
Limit plate, 10 screw rods, 11 driving wheels, 12 driven wheels.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Referring to Fig.1-2, a kind of hoist roller, including fixing seat 1 and spool body 2, spool body 2 and fixing seat 1 it
Between be rotatablely connected, the side of fixing seat 1 is equipped with link slot, and the two sides of link slot offer sliding slot, are equipped with and lead between two sliding slots
To axis 3, the inside of sliding slot has equipped with driven wheel 12, and the inside of fixing seat 1 is equipped with connecting cavity, and connecting cavity is located at the one of link slot
Side, the inside of connecting cavity are equipped with driving wheel 11, and the both ends of spool body 2 are fixedly connected to shaft, and spool body 2 is close to even
The shaft for connecing chamber side extends to the outside of fixing seat 1 through connecting cavity, and one end that shaft is located at outside fixing seat 1 is fixedly connected
There is runner 5, the outside of shaft is fixedly connected with cam 6, and cam 6 is located at the inside of connecting cavity, and the side of fixing seat 1 is equipped with
The outer cover of two screw rods 10, two screw rods 10 is equipped with the first limit plate 9, and screw thread connects between the first limit plate 9 and screw rod 10
It connects, one end of the first limit plate 9 is fixedly connected with mobile column 8, and one end of mobile column 8 extends to the inside of connecting cavity, and mobile
One end that column 8 is located inside connecting cavity offers spring eye, and the inside of spring eye is equipped with limited block 7, and one end of limited block 7
Positioned at the outside of spring eye, limited block 7 is matched with cam 6.
In the present embodiment, it is triangular structure of right angle that limited block 7, which is located at one end outside spring eye, and the inside of spring eye is set
There is spring, and one end of spring is fixedly connected with the side of spring eye, the fixed company of the other end of spring and one end of limited block 7
It connects, two screw rods 10 are rotatablely connected between fixing seat 1, and the second limit plate is equipped between two screw rods 10, the second limit
Plate is located at the first side of the limit plate 9 far from fixing seat 1, and one end of two screw rods 10 is fixedly connected to the first belt pulley, and two
The side of a screw rod 10 is equipped with first servo motor, is set on the output shaft of first servo motor there are two the second belt pulley, and the
Belt is equipped between one belt pulley and the second belt pulley, guiding axis 3 is made of two cross bars, and be equipped between two cross bars away from
From, and the distance between two cross bars are greater than the diameter of wirerope, and the both ends of guiding axis 3 are equipped with sprocket wheel, driving wheel 11 with from
Chain is equipped between driving wheel 12, to cooperation between sprocket wheel and chain.
In the present embodiment, when lifting appliance works, external motor drives runner 5 to rotate, and runner 5 drives shaft rotation, turns
Axis drives spool body 2 to rotate, and at the same time, external motor drives driving wheel 11 to rotate, and driving wheel 11 drives chain rotation, from
And guiding axis 3 is moved in sliding slot, between two cross bars of steel wire penetrating, with the movement and spool body 2 of guiding axis 3
Rotation, wirerope is uniformly wrapped in the surface of spool body 2, while spool body 2 rotates, the right angle of limited block 7
The rotation direction of the bevel direction face cam 6 of triangle, cam 6 can rotate under the action of the spring, but cam 6 inverts
It will be locked, thus achieve the purpose that limiting spool body 1 inverts, when needing to put down a hanging object, starting servo electricity
Machine, servo is standby to drive two screw rods 10 to rotate, and screw rod 10 drives limit plate 9 mobile, and limit plate 9 drives mobile column 8 mobile, moves
Dynamic column 8 drives limited block 7 mobile, so that spool body 2, which can invert, at this time to lift by crane by separating between limited block 9 and cam 6
Object is put down.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model