CN211813163U

CN211813163U - Pulley device for preventing cable from disengaging from groove

Info

Publication number: CN211813163U
Application number: CN201922303876.4U
Authority: CN
Inventors: 梁俊
Original assignee: Jiangsu Yasheng Rope Manufacturing Co ltd
Current assignee: Jiangsu Yasheng Rope Manufacturing Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-30
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a pulley gear technical field just discloses an anticreep hawser groove pulley gear, including two pulley yoke, two be provided with the pulley body between the pulley yoke, the both sides of pulley body all rotate and are connected with first fixed axle, the one end and the pulley yoke fixed connection of pulley body are kept away from to first fixed axle, the top fixedly connected with dead lever of first fixed axle, the top of dead lever is provided with the limiting plate. This prevent hawser from taking off groove pulley gear, it is spacing to the hawser through spacing wheel, gag lever post and stopper, avoids it to break away from the pulley groove when taking place to incline, then fixes the limiting plate through the fixed rod, avoids it to be caused the slope by the hawser pulling, avoids producing great friction between hawser and the limiting plate through spacing wheel simultaneously, influences its life to reach convenient to use, can effectively avoid the hawser to drop and install more convenient purpose.

Description

Pulley device for preventing cable from disengaging from groove

Technical Field

The utility model relates to a pulley gear technical field specifically is an anti-cable takes off groove pulley gear.

Background

The winch is a light and small hoisting device for hoisting or pulling heavy objects by winding a steel wire rope or a chain on a winding drum, can vertically hoist or horizontally or obliquely drag the heavy objects, is mainly a manual winch, an electric winch and a hydraulic winch, can be used independently at present, can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, is widely applied due to simple operation, large rope winding amount and convenient displacement, and is mainly applied to material hoisting or horizontal dragging of buildings, hydraulic engineering, forestry, mines, wharfs and the like.

The pulley gear that uses on the winch among the prior art structure is comparatively simple, and when the winch pulling or when hoisting a heavy object, in case the heavy object appears the slope or the heavy object pulling dynamics is too big after, hawser on the winch will break away from the pulley gear, and this just probably causes the hawser direct and the friction of winch support, causes the hawser fracture, influences the working process and produces certain potential safety hazard simultaneously, so now provides a prevent that hawser from taking off the groove pulley gear and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a prevent hawser from separating groove pulley gear, possess convenient to use, can effectively avoid the hawser to drop and install advantages such as more convenient, the pulley gear structure of using on having solved among the prior art winch is comparatively simple, when the winch pulling or when hoisting a heavy object, in case the heavy object appears the slope or the heavy object pulling dynamics is too big back, hawser on the winch will break away from pulley gear, this just probably causes the direct and winch support friction of hawser, cause the hawser fracture, influence the work progress and produce the problem of certain potential safety hazard simultaneously.

(II) technical scheme

For realizing above-mentioned convenient to use, can effectively avoid the hawser to drop and install more convenient purpose, the utility model provides a following technical scheme: a pulley device for preventing a cable rope from disengaging from a groove comprises two pulley frames, a pulley body is arranged between the two pulley frames, the two sides of the pulley body are rotatably connected with first fixing shafts, one ends, away from the pulley body, of the first fixing shafts are fixedly connected with the pulley frames, fixing rods are fixedly connected to the tops of the first fixing shafts, limiting plates are arranged at the tops of the fixing rods, bolts are in threaded connection with the two sides of the tops of the limiting plates, first threaded grooves are formed in the tops of the fixing rods, the bottom ends of the bolts are in threaded connection with the inside of the first threaded grooves, pulley grooves are formed in the middle of the surfaces of the pulley body, limiting grooves are formed in the surfaces of the pulley body and located on the two sides of each pulley groove, limiting rods are fixedly installed at the bottoms of the limiting plates, the bottom ends of the limiting rods are in sliding connection with the inside of the limiting grooves, limiting blocks are, two be provided with spacing round between the stopper, the both ends of spacing round are all rotated and are connected with the second fixed axle, the one end and the stopper fixed connection of spacing round are kept away from to the second fixed axle.

Preferably, the two sides of the pulley body are fixedly provided with first bearings, one end of the first fixing shaft close to the pulley body is fixedly connected with the inner ring of the first bearings, the two ends of the limiting wheel are fixedly provided with second bearings, and one end of the second fixing shaft close to the limiting wheel is fixedly connected with the inner ring of the second bearings.

Preferably, the bottom of the limiting plate is fixedly connected with an L-shaped supporting block at the outer side of the limiting rod, and one end of the L-shaped supporting block, which is far away from the limiting rod, is in contact with the fixing rod.

Preferably, the top of one side of the fixed rod close to the pulley yoke is fixedly connected with a connecting block, and one end of the connecting block, far away from the fixed rod, is fixedly connected with the pulley yoke.

Preferably, second thread grooves are formed in two sides of the top of the limiting plate, and the bolt is connected to the inside of the second thread grooves in a threaded mode.

Preferably, the locating pieces are fixedly mounted on two sides of the bottom of the limiting plate, the locating grooves corresponding to the locating pieces are formed in the tops of the fixing rods, and the locating pieces are inserted into the locating grooves in an inserting mode.

(III) advantageous effects

Compared with the prior art, the utility model provides an anti-cable takes off groove pulley gear possesses following beneficial effect:

1. this prevent hawser from taking off groove pulley gear, it is spacing to the hawser through spacing wheel, gag lever post and stopper, avoids it to break away from the pulley groove when taking place to incline, then fixes the limiting plate through the fixed rod, avoids it to be caused the slope by the hawser pulling, avoids producing great friction between hawser and the limiting plate through spacing wheel simultaneously, influences its life to reach convenient to use, can effectively avoid the hawser to drop and install more convenient purpose.

2. This prevent hawser groove pulley gear that takes off, it is more convenient to make the rotation of pulley body and spacing wheel respectively through first bearing and second bearing, thereby reduce the friction between its and the hawser, carry on spacingly to the limiting plate through L type supporting shoe, avoid when the hawser takes place to incline it by hawser pulling production displacement, then fix the dead lever through the connecting block, avoid it to take place the skew in the use, it makes to be connected more firm between bolt and the limiting plate through the second thread groove, then fix a position the limiting plate through locating piece and constant head tank, make its installation more convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the portion B in fig. 2 according to the present invention.

In the figure: 1. a pulley yoke; 2. a pulley body; 3. a first fixed shaft; 4. a limiting groove; 5. a pulley groove; 6. fixing the rod; 7. connecting blocks; 8. a limiting plate; 9. a limiting wheel; 10. a limiting block; 11. a limiting rod; 12. an L-shaped support block; 13. a bolt; 14. a first bearing; 15. positioning a groove; 16. positioning blocks; 17. a first thread groove; 18. a second thread groove; 19. a second fixed shaft; 20. a second bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a pulley device for preventing a cable from slipping out of a groove comprises two pulley frames 1, a pulley body 2 is arranged between the two pulley frames 1, two sides of the pulley body 2 are rotatably connected with first fixing shafts 3, one ends of the first fixing shafts 3 far away from the pulley body 2 are fixedly connected with the pulley frames 1, top portions of the first fixing shafts 3 are fixedly connected with fixing rods 6, top portions of the fixing rods 6 are provided with limiting plates 8, two sides of the top portions of the limiting plates 8 are in threaded connection with bolts 13, top portions of the fixing rods 6 are provided with first threaded grooves 17, bottom ends of the bolts 13 are in threaded connection with the first threaded grooves 17, a pulley groove 5 is formed in the middle of the surface of the pulley body 2, limiting grooves 4 are formed in the surface of the pulley body 2 and located on two sides of the pulley groove 5, a limiting rod 11 is fixedly installed at the bottom of the limiting plates 8, and, the two sides of the bottom of the limiting plate 8 are fixedly provided with limiting blocks 10 between the two limiting rods 11, a limiting wheel 9 is arranged between the two limiting blocks 10, the two ends of the limiting wheel 9 are rotatably connected with second fixing shafts 19, one ends of the second fixing shafts 19 far away from the limiting wheels 9 are fixedly connected with the limiting blocks 10, when the cable rope is used, the cable rope is arranged in the pulley groove 5 on the pulley body 2, then the limiting plates 8 are fixed at the tops of the fixing rods 6 through bolts 13, so that the bottom ends of the limiting rods 11 are contacted with the inner walls of the limiting grooves 4, the cable rope is limited through the limiting wheels 9, the limiting rods 11 and the limiting blocks 10 at the moment, the cable rope is prevented from being separated from the pulley groove 5 when the cable rope inclines, then the limiting plates 8 are fixed through the fixing rods 6, the cable rope is prevented from being pulled to incline by the cable rope, the service life of the cable is influenced, so that the purposes of convenient use, effective prevention of cable falling and more convenient installation are achieved.

Specifically, the equal fixed mounting in both sides of pulley body 2 has first bearing 14, first fixed axle 3 is close to the one end of pulley body 2 and the inner circle fixed connection of first bearing 14, the equal fixed mounting in both ends of spacing round 9 has second bearing 20, second fixed axle 19 is close to the one end of spacing round 9 and the inner circle fixed connection of second bearing 20, it is more convenient to make pulley body 2 and spacing round 9's rotation respectively through first bearing 14 and second bearing 20, thereby reduce the friction between its and the hawser.

Specifically, the bottom of limiting plate 8 is located the outside fixedly connected with L type supporting shoe 12 of gag lever post 11, and L type supporting shoe 12 keeps away from the one end and the contact of dead lever 6 of gag lever post 11, carries on spacingly to limiting plate 8 through L type supporting shoe 12, avoids it to be produced the displacement by hawser pulling when the hawser takes place to incline.

Specifically, the dead lever 6 is close to the top fixedly connected with connecting block 7 of 1 one side of pulley yoke, and the one end and the 1 fixed connection of pulley yoke of dead lever 6 are kept away from to connecting block 7, fix dead lever 6 through connecting block 7, avoid it to take place the skew in the use.

Specifically, second thread groove 18 has all been seted up to the both sides at limiting plate 8 top, and bolt 13 threaded connection is in the inside of second thread groove 18, makes to be connected more firmly between bolt 13 and the limiting plate 8 through second thread groove 18.

Specifically, the equal fixed mounting in both sides of limiting plate 8 bottom has locating piece 16, and the constant head tank 15 that corresponds with locating piece 16 is seted up at the top of dead lever 6, and locating piece 16 pegs graft in the inside of constant head tank 15, fixes a position limiting plate 8 through locating piece 16 and constant head tank 15, makes its installation more convenient.

The working principle is as follows: when using, install the hawser at pulley groove 5 on pulley body 2 in, then fix limiting plate 8 at the top of dead lever 6 through bolt 13, make the bottom of gag lever post 11 and the inner wall contact of spacing groove 4, pass through spacing wheel 9 this moment, gag lever post 11 and stopper 10 carry on spacingly to the hawser, avoid it to break away from pulley groove 5 when taking place the slope, then fix limiting plate 8 through dead lever 6, avoid it to be caused the slope by the hawser pulling, avoid producing great friction between hawser and the limiting plate 8 through spacing wheel 9 simultaneously, influence its life, thereby convenient to use has been reached, can effectively avoid the hawser to drop and install more convenient purpose.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an prevent hawser and take off groove pulley gear, includes two pulley yoke (1), its characterized in that: a pulley body (2) is arranged between the two pulley frames (1), the two sides of the pulley body (2) are rotatably connected with first fixed shafts (3), one ends, far away from the pulley body (2), of the first fixed shafts (3) are fixedly connected with the pulley frames (1), the tops of the first fixed shafts (3) are fixedly connected with fixed rods (6), the tops of the fixed rods (6) are provided with limiting plates (8), the two sides of the tops of the limiting plates (8) are in threaded connection with bolts (13), the tops of the fixed rods (6) are provided with first thread grooves (17), the bottom ends of the bolts (13) are in threaded connection with the inner parts of the first thread grooves (17), the middle part of the surface of the pulley body (2) is provided with pulley grooves (5), and the two sides, located on the surface of the pulley body (2) and located in the pulley grooves (5), are provided with limiting grooves (4), the bottom fixed mounting of limiting plate (8) has gag lever post (11), the bottom sliding connection of gag lever post (11) is in the inside of spacing groove (4), the both sides of limiting plate (8) bottom are located fixed mounting between two gag lever posts (11) have stopper (10), two be provided with spacing wheel (9) between stopper (10), the both ends of spacing wheel (9) are all rotated and are connected with second fixed axle (19), the one end and stopper (10) fixed connection of spacing wheel (9) are kept away from to second fixed axle (19).

2. The rope run-out preventing pulley device as claimed in claim 1, wherein: the pulley is characterized in that first bearings (14) are fixedly mounted on two sides of the pulley body (2), one end of each first fixing shaft (3) close to the pulley body (2) is fixedly connected with an inner ring of the corresponding first bearing (14), second bearings (20) are fixedly mounted on two ends of each limiting wheel (9), and one ends of the second fixing shafts (19) close to the limiting wheels (9) are fixedly connected with inner rings of the corresponding second bearings (20).

3. The rope run-out preventing pulley device as claimed in claim 1, wherein: the bottom of the limiting plate (8) is located on the outer side of the limiting rod (11) and is fixedly connected with an L-shaped supporting block (12), and one end, far away from the limiting rod (11), of the L-shaped supporting block (12) is in contact with the fixing rod (6).

4. The rope run-out preventing pulley device as claimed in claim 1, wherein: the top of one side, close to the pulley yoke (1), of the fixing rod (6) is fixedly connected with a connecting block (7), and one end, far away from the fixing rod (6), of the connecting block (7) is fixedly connected with the pulley yoke (1).

5. The rope run-out preventing pulley device as claimed in claim 1, wherein: second thread grooves (18) are formed in the two sides of the top of the limiting plate (8), and the bolt (13) is connected to the inside of the second thread grooves (18) in a threaded mode.

6. The rope run-out preventing pulley device as claimed in claim 1, wherein: locating blocks (16) are fixedly mounted on two sides of the bottom of the limiting plate (8), locating grooves (15) corresponding to the locating blocks (16) are formed in the top of the fixing rod (6), and the locating blocks (16) are inserted into the locating grooves (15).