CN209988994U - Self-locking rope winch - Google Patents

Abstract

The utility model discloses a self-locking rope winch, it is including the pivoted drive wheel body under power device's drive, be connected with on the drive wheel body and can swing and follow a plurality of swing briquettings of drive wheel body interval ring cloth, the one end of swing briquetting is provided with compresses tightly the arm, the other end is equipped with the drive division, is equipped with on the drive wheel body and prolongs its radial overhanging and be located the ring convex shoulder that compresses tightly between arm and the drive division, compress tightly the annular that forms between arm and the ring convex shoulder and supply the rope to pass, thereby the drive division action makes the swing briquetting swing make compress tightly the arm and can press the rope to the ring convex shoulder, is equipped with the return mechanism who orders about swing briquetting return on the drive wheel body. The utility model discloses can realize sliding and carrying out remote vertical promotion or horizontal translation along the rope, have the advantage effect that the security performance is high, conveying efficiency is high and simple structure.

Description

Self-locking rope winch

Technical Field

The utility model relates to a self-locking rope capstan.

Background

At present, a plurality of load-carrying devices with lifting functions are provided, such as cranes, hoisting machines, traveling cranes, hoisting pulley blocks and the like, the lifting load-carrying devices need to be used in specific occasions and are sometimes limited by environmental conditions, and the existing lifting load-carrying devices cannot be used. When the heavy object needs to be moved remotely, the hoisting equipment is mostly adopted for transportation, and the labor efficiency is low. For example, heavy objects under a mountain need to be transported to the mountain, tools such as cable cars need to be used, labor cost is high, efficiency is low, and a special tool which is simple and can transport heavy objects vertically or horizontally does not exist at present.

The applicant discloses in previous patents self-sliding load-carrying conveyors of some structures, which comprise a frame, a hook mounting frame is arranged on the frame, a driving duplex sprocket driven by a power device to rotate is arranged on the frame, two crawling duplex sprockets which are positioned between the driving duplex sprocket and a driven duplex sprocket and are meshed with an annular chain outside the annular chain ring are arranged on the inner side of the frame, a steel wire rope with one end penetrating out from between the annular chain and the crawling duplex sprocket close to the driving duplex sprocket and the other end penetrating out from between the annular chain and the crawling duplex sprocket close to the driven duplex sprocket is wound on the crawling duplex sprocket, the self-sliding load-carrying conveyor realizes the sliding along the steel wire rope under the actions of friction force generated by the crawling duplex sprocket and the annular chain extruding the steel wire rope, namely, the steel wire rope generates friction force by the annular chain, thereby make above-mentioned conveyer slide along the rope to lift by crane the heavy object or make the heavy object translation, because above-mentioned structure relies on the chain too, the chain axle wearing and tearing of chain can be caused to the friction of chain and rope, in case above-mentioned chain goes wrong, can cause great incident, this kind of conveyer structure of above-mentioned structure is complicated, life is short and need strict detection before using, therefore user application range is restricted greatly.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a self-locking rope capstan winch to above-mentioned defect, thereby it has changed original structure that realizes sliding along the rope through two chains extrusion rope completely, through setting up this self-locking rope capstan winch, can realize creeping along the rope, and the security performance is high.

In order to solve the technical problem, the utility model provides a self-locking rope capstan winch of following structure, it is including the pivoted drive wheel body under power device's drive, and its structural feature is: be connected with on the drive wheel body and can swing and along a plurality of swing briquetting of drive wheel body interval ring cloth, the one end of swing briquetting is provided with compressing arm, the other end and is equipped with the drive division, is equipped with on the drive wheel body and extends its radial overhanging ring convex shoulder that just is located between compressing arm and the drive division, form the annular that supplies the rope to pass between compressing arm and the ring convex shoulder, thereby the drive division action makes the swing briquetting swing and makes compressing arm can press the rope crowded to ring convex shoulder, is equipped with the return mechanism who orders about swing briquetting return on the drive wheel body.

The driving wheel body is provided with a plurality of long grooves which are distributed along the driving wheel body at intervals and extend along the radial direction of the driving wheel body, the swinging pressing block is arranged in the long grooves and hinged on the driving wheel body, and the return mechanism is a return spring connected between the swinging pressing block and the driving wheel body.

The drive wheel body includes interior rim plate, middle rim plate and foreign steamer dish, be equipped with a plurality of extension arms that ring cloth and interval set up on the middle rim plate, form between two adjacent extension arms the elongated slot, thereby the both ends of extension arm cartridge respectively makes interior rim plate, middle rim plate and foreign steamer dish even as an organic whole on inner rim plate and the outer rim plate.

The inner wheel disc and the outer wheel disc are correspondingly provided with ring-shaped convex parts protruding inwards, the ring-shaped convex parts of the outer wheel disc are provided with annular hinge shafts, the swinging pressing block is connected to the hinge shafts to swing, and the return springs are connected between the swinging pressing block and the ring-shaped convex parts of the inner wheel disc.

The hinge shaft is made of a ring-shaped coil spring.

After the structure is adopted, the rope can penetrate through the annular groove, the swinging pressing block is driven to swing by using a self-pressing function or other part pressing function, the pressing arm penetrates through the rope section in the annular groove to be extruded to lean against the annular convex shoulder, the pressing arm of the swinging pressing block which is annularly arranged continuously holds the rope along with the rotation of the driving wheel body, and the part of the swinging pressing block which is separated from the pressing driving mechanism can return under the action of the return mechanism, so that the purpose of crawling along the rope is realized. The utility model discloses utilize the compressing arm that a plurality of pivoted intervals set up and compress tightly actuating mechanism's cooperation, make the complete machine slide along the rope, adopt bionics principle, control the rope in turn in a plurality of fingers in other words, the rope is controlled with the cooperation of above-mentioned ring convex shoulder to the compressing arm that this kind of structure utilized a plurality of swing briquettings, and its security performance is high, conveying efficiency is high.

To sum up, the utility model discloses can realize sliding and carrying out remote vertical promotion or horizontal translation along the rope, have the advantage effect that the security performance is high, conveying efficiency is high and simple structure.

Drawings

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the inner disc of the embodiment of FIG. 1;

FIG. 4 is a schematic structural view of the outer wheel disc of the embodiment of FIG. 1;

FIG. 5 is a schematic diagram of the structure of the oscillating mass of the embodiment of FIG. 1;

FIG. 6 is a schematic structural view of the intermediate wheel disc of the embodiment of FIG. 1;

FIG. 7 is a perspective view of FIG. 6;

FIG. 8 is a schematic illustration of the embodiment of FIG. 1 mounted on a load conveyor;

FIG. 9 is a schematic view of the cable of FIG. 7 passing through the pinch roller and the drive pulley;

FIG. 10 is a schematic view of the structure in the direction B of FIG. 8;

fig. 11 is a schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1, the present invention provides a self-locking rope winch, which comprises a driving wheel body 3 capable of rotating under the driving of a power device, a plurality of swinging pressing blocks 4 capable of swinging and distributed around the driving wheel body at intervals are connected to the driving wheel body 3, one end of each swinging pressing block 4 is provided with a pressing arm 41, the other end is provided with a driving part 42, a ring shoulder 31 extending radially outwards and located between the pressing arm and the driving part is arranged on the driving wheel body 3, an annular groove for the rope to pass through is formed between the pressing arm 41 and the ring shoulder 31, the driving part is operated to swing the swinging pressing block so that the pressing arm can press the rope against the ring shoulder 31, a return mechanism for returning the swinging pressing block is arranged on the driving wheel body 3, referring to fig. 1, that is, when external force is applied to the driving part, when the driving part is operated, a part of the pressing arm can press a certain part of the rope against the ring, that is, the width of the ring groove is reduced, that is, the pressing arm and the ring shoulder 31 clamp the section of the rope together, and the part of the pressing arm is in a pressing state; the other part of the pressing arm is not driven by the driving part, so that the swinging pressing block can restore to the initial state under the action of the return mechanism, a relatively wide distance is kept between the part of the pressing arm and the ring shoulder 31, namely the width of the ring groove is large, and the part of the pressing arm is in a relaxed state; along with the continuous rotation of the driving wheel body, the pressing arm can realize the switching between the pressing state and the releasing state under the action of an external force applied to the driving part and the action of the return mechanism, so that the self-locking rope winch crawls along the rope, and the purpose of lifting a heavy object or translating the heavy object is realized.

Referring to fig. 3 to 9, in the present embodiment, the driving wheel body 3 is provided with a plurality of long slots 32 arranged at intervals around the driving wheel body and extending along the radial direction of the driving wheel body, the swinging pressing block 4 is arranged in the long slots and hinged on the driving wheel body, and the return mechanism is a return spring 6 connected between the swinging pressing block 4 and the driving wheel body. The driving wheel body 3 comprises an inner wheel disc 3-1, a middle wheel disc 3-2 and an outer wheel disc 3-3, a plurality of extension arms 33 which are arranged in a ring cloth mode and are arranged at intervals are arranged on the middle wheel disc 3-2, in the embodiment, the extension arms 33 and the middle wheel disc 3-2 are integrally machined and formed, the ring convex shoulders 31 are arranged on the middle wheel disc, the long grooves 32 are formed between the two adjacent extension arms, the two end portions of each extension arm are respectively inserted into the inner wheel disc 3-1 and the outer wheel disc 3-3, so that the inner wheel disc 3-1, the middle wheel disc 3-2 and the outer wheel disc 3-3 are connected into a whole, and limiting ring grooves are formed in the extension arms, so that the transmission of power is realized, and the inner wheel disc and the outer wheel disc can. The inner wheel disc 3-1 and the outer wheel disc 3-3 are correspondingly provided with inward protruding ring convex parts 34, the ring convex parts of the outer wheel disc are provided with ring-shaped hinge shafts 35, the swinging pressing block is connected to the hinge shafts to swing, the return springs 6 are connected between the swinging pressing block 4 and the ring convex parts of the inner wheel disc, the hinge shafts are made of ring-shaped spiral springs, the swinging pressing block 4 is provided with a recessed groove, the cross section of the recessed groove is in a large semicircular arc shape, the spiral springs are arranged in the recessed groove, as shown in a reference figure 4 and a figure 9, the two ring convex parts play a role in supporting the hinge shafts and the return springs 6, and as the middle part of the swinging pressing block 4 is abutted against the inner ring surface of the ring convex shoulder 31, when the return springs 6 are compressed (when the pressing driving mechanism drives the swinging pressing block to swing), the hinge shafts with the structure can enable the lower parts of the pressing arm ends of the swinging pressing blocks to play a role in tightening (the spiral springs have certain elastic pressure, both acting as a hinge and tensioning, i.e. towards the recess), so that the width of the ring groove is reduced, effectively ensuring that the pressing arm and the ring shoulder 31 jointly hold the rope. The structure of the whole driving wheel body is convenient for the assembly of the whole driving wheel body and the insertion of the swinging pressing block 4.

Referring to fig. 8 and 9, fig. 8 illustrates the structure of the above embodiment applied to a load conveyor, and the up-down position in fig. 8 is taken as the up-down direction of the load conveyor, but the load conveyor can be used transversely or in other directions, and comprises a frame 1 and two hangers 10 connected to the lower part of the frame 1, a power shaft 2 driven by a power device to rotate is connected to the frame 1, and a self-locking rope winch of the above structure is connected to the power shaft 2 by power. Apply to the drive division through external force and can adopt and compress tightly actuating mechanism, compress tightly actuating mechanism including connecting pinch roller 7 in frame 1, still be equipped with the inner ring platform 35 that is located ring convex shoulder 31 one side on the drive wheel body 3, the drive position is located between inner ring platform 35 and the ring convex shoulder and forms the slot between inner ring platform and the ring convex shoulder, and the cover is equipped with between the ring slot of pinch roller 7 and the drive wheel body 3 and wears in the slot and can extrude the tensioning subassembly of drive division 42 on the partial swing briquetting 4. In this embodiment, adopt from the compacting function, promptly rope and rope that the tensioning subassembly was in for passing the slot are walked around in penetrating the annular between hold-down arm 41 and the ring convex shoulder 31 again behind the pinch roller, the back shaft 8 that the slope set up is equipped with in the frame 1, pinch roller 7 rotates to be connected on the back shaft, and the slot slope on the pinch roller sets up, and the rope penetrates from the top of driving wheel body penetrate behind the slot penetrate the ring groove of pinch roller and walk around behind the pinch roller again in the ring groove, do not adopt the back shaft 8 of above-mentioned slope certainly, also can realize the diversion of rope alone setting up the slot of slope on the pinch roller. That is, the external pressing function may also be adopted, that is, the tensioning assembly may be a belt or chain transmission component connected between the pressing wheel and the driving wheel, and the purpose of the tensioning assembly is to press the driving part 42 with a certain pressure through a belt section or chain section wrapped in the groove between the inner ring platform and the ring shoulder, so as to drive the swinging pressing block to swing, and a specific structural diagram thereof is not shown, and will not be described in detail here. The broken line in fig. 1 is a schematic diagram of a rope, and as can be seen from the arrow line in fig. 2 and the above description, the whole rope (in this embodiment, a steel wire rope) is threaded from the top of the whole machine into the groove between the inner ring table and the ring shoulder, then threaded into the bottom of the pinch roller 7 after being wound out, threaded into the annular groove between the pinch arm 41 and the ring shoulder 31 after being wound out around the top of the pinch roller, and then threaded out from the bottom of the annular groove, and the upper portion of the frame 1 is provided with a guide wheel 12 for guiding the rope to extend into the annular groove so as to form an envelope angle of a set angle between the rope and the driving wheel body, and after being wound many times by the gravity of the weight, the rope will have a tendency of straightening under the action of the gravity, so that the rope will have a certain pressure on the driving portion of a part of the swinging press block, thereby ensuring the swinging of the swinging press block, the effect that the pressing arm and the ring shoulder 31 clamp the rope together is ensured, and the climbing capacity of the machine is improved.

Referring to fig. 8 and 10, the frame 1 is provided with at least one anti-dropping wheel 9 provided with a ring driving wheel, in this embodiment, the lower portion of the frame is provided with one anti-dropping wheel 9, of course, a plurality of anti-dropping wheels can be provided according to actual conditions, the anti-dropping wheel 9 is provided with a plurality of anti-dropping arms 10 arranged at intervals on a ring and can limit the rope in the ring groove along with the rotation of the driving wheel body, the frame 1 is provided with an anti-dropping shaft 11 arranged in parallel with the power shaft, the anti-dropping shaft 11 is connected with a sliding seat capable of sliding along the axial direction of the anti-dropping shaft in a sliding manner, the sliding seat can be of a sleeve structure shown in the figure, or can be of other structures, splines or other structures can be adopted between the sliding seat and the anti-dropping shaft 11 to realize mutual sliding, the anti-dropping wheels are rotatably connected on the sliding seat, the, and the sliding of the sliding seat can use a driving rod connected to the frame 1, and can also use a driving structure with other structural forms, which aims to drive the sliding seat to slide a certain distance along the anti-drop shaft 11 and then lock, and other structures are not described in detail here. When needing to wear the dress rope, drive the anticreep pinch roller along anticreep axle 11 with above-mentioned sliding seat and slide, make above-mentioned anticreep arm break away from above-mentioned annular, wear to adorn the rope after, slide the return with the sliding seat again, make the anticreep arm get into in the annular to prevent that the rope from deviating from above-mentioned annular, improve safe handling performance.

As shown in fig. 11, fig. 11 only illustrates the structural principle of the present invention, a plurality of swinging pressing blocks 4 are annularly arranged along the driving wheel body 3, one end of the swinging pressing block 4 is provided with a pressing arm 41 protruding outwards, the other end is provided with a driving part 42 protruding outwards, i.e. the swinging pressing block 4 forms a U-shaped structure, the driving wheel body 3 is provided with a ring shoulder 31 extending outwards in the radial direction and located between the pressing arm and the driving part, i.e. the ring shoulder 31 is located at the middle position of two arms of the U-shaped, the rope passes through a ring groove between the pressing arm 41 and the ring shoulder 31, in the illustration in the figure, the rope vertically passes through, of course, in order to increase the envelope angle between the rope and the ring groove, the corresponding structure of the guide wheel can be connected on the frame, the swinging pressing block 4 is similar to a seesaw structure, the swinging pressing block 4 is connected on the driving wheel body through a hinge shaft, the concrete structure of the connection can, the spherical protrusion and the spherical groove can be matched with each other to form a hinge structure (shown in the figure), when a rope passes through the annular groove between the pressing arm and the annular shoulder, the pressing driving mechanism X arranged on the rack can enable the driving part of the swinging pressing block positioned at the annular groove to swing downwards, meanwhile, the pressing arm 41 of the swinging pressing block can swing upwards, so that the gap between the pressing arm 41 and the annular shoulder 31 is reduced, the pressing arm and the annular shoulder 31 of the swinging pressing block can clamp the rope, the returning mechanisms arranged on the rack or the driving wheel body of the swinging pressing blocks 4 at other positions drive the swinging pressing blocks to keep the original state, the driving wheel body 3 rotates along with the power driving of the motor reducer, the upper swinging pressing block 4 is far away from the position of the rope in the annular groove and returns to the original state under the driving of the returning mechanisms, the pressing arm 41 and the annular shoulder 31 of the swinging pressing block rotating to the position of the rope in the annular groove can clamp the rope, thereby realizing the climbing action of the device along the rope, and further conveying heavy objects along the rope. The above structural schematic diagram and the above structure are only the structural principle of the present invention.

Of course, the utility model discloses not only can be applied to above-mentioned load conveyer, also can be applied to the conveyor of other structures on, above do the utility model discloses a concrete structural style, the utility model discloses do not receive the restriction of above-mentioned embodiment, in this technical field personnel, based on the utility model discloses the equivalent change and the part replacement of last concrete structure are all in the utility model discloses a within the scope.

Claims (5)

1. A self-locking rope winch comprises a driving wheel body (3) capable of rotating under the driving of a power device, and is characterized in that: be connected with on the drive wheel body (3) can swing and along a plurality of swing briquetting (4) of drive wheel body interval ring cloth, the one end of swing briquetting (4) is provided with compressing arm (41), the other end is equipped with drive division (42), is equipped with on the drive wheel body (3) and extends its radial overhanging and be located ring convex shoulder (31) between compressing arm and the drive division, form the annular that supplies the rope to pass between compressing arm (41) and ring convex shoulder (31), thereby the drive division action makes the swing briquetting swing make the compressing arm can press the rope crowded return to ring convex shoulder (31), is equipped with on the drive wheel body (3) and orders about the return mechanism of swing briquetting return.

2. The self-locking rope winch of claim 1, wherein: the driving wheel body (3) is provided with a plurality of long grooves (32) which are distributed along the driving wheel body at intervals and extend along the radial direction of the driving wheel body, the swinging pressing block (4) is arranged in the long grooves and hinged on the driving wheel body, and the return mechanism is a return spring (6) connected between the swinging pressing block (4) and the driving wheel body.

3. The self-locking rope winch of claim 2, wherein: the driving wheel body (3) comprises an inner wheel disc (3-1), a middle wheel disc (3-2) and an outer wheel disc (3-3), a plurality of extension arms (33) which are annularly distributed and arranged at intervals are arranged on the middle wheel disc (3-2), the long grooves (32) are formed between two adjacent extension arms, and two end portions of each extension arm are respectively inserted on the inner wheel disc (3-1) and the outer wheel disc (3-3) so as to enable the inner wheel disc (3-1), the middle wheel disc (3-2) and the outer wheel disc (3-3) to be connected into a whole.

4. A self-locking rope winch as claimed in claim 3, wherein: the inner wheel disc (3-1) and the outer wheel disc (3-3) are correspondingly provided with ring convex parts (34) protruding inwards, the ring convex parts of the outer wheel disc are provided with annular hinge shafts, the swinging pressing block is connected to the hinge shafts to swing, and the return spring (6) is connected between the swinging pressing block (4) and the ring convex parts of the inner wheel disc.

5. The self-locking rope winch of claim 4, wherein: the hinge shaft is made of a ring-shaped coil spring.

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