CN215326640U - Reel device for bridge crane - Google Patents

Abstract

A winding drum device for a bridge crane comprises a base, wherein supporting bearing seats are assembled at the upper end of the base, a winding drum is arranged between the two supporting bearing seats, the two supporting shafts are assembled in the supporting bearing seats, a supporting plate is fixed at the top end of each supporting bearing seat, a lower supporting block is fixed at the lower end of each supporting plate, a threaded through hole is formed in each upper supporting block, a threaded through hole is formed in each lower supporting block, and an adjusting screw rod is connected between each upper supporting block and each lower supporting block in a threaded manner; an upper baffle and a lower baffle are fixed on the adjusting screw between the upper supporting block and the lower supporting block, a rope pressing roller supporting block is arranged between the upper baffle and the lower baffle, the adjusting screw is rotatably connected with the rope pressing roller supporting block, a line pressing roller arranged horizontally is arranged above the winding drum, supporting rods arranged horizontally are fixed at the two ends of the winding drum, and the two supporting rods are rotatably connected on the corresponding rope pressing roller supporting blocks through rotating bearings. The utility model has simple structure and convenient use.

Description

Reel device for bridge crane

Technical Field

The utility model belongs to the technical field of crane drums, and particularly relates to a drum device for a bridge crane.

Background

The bridge crane is a hoisting device which is transversely erected above workshops, warehouses and material yards for hoisting materials, and because the two ends of the bridge crane are located on high cement columns or metal supports and are shaped like a bridge, the bridge frame of the bridge crane longitudinally runs along rails laid on the elevated frames on the two sides, the space below the bridge frame can be fully utilized for hoisting the materials and is not hindered by ground equipment. The reel set of the bridge crane is arranged on a trolley frame of the bridge crane, one end of the reel is supported by a bearing seat, the other end of the reel is connected with an output shaft of a speed reducer, torque transmission between the reel and the speed reducer is realized by a connecting disc and a coupler, the connecting disc is fixedly arranged at one end of the reel through bolts, the connecting disc and the coupler are connected together through a fastener, during assembly, the coupler is required to be connected with the output shaft of the speed reducer firstly, then the coupler is connected with the connecting disc through the fastener, finally the connecting disc is connected with the reel through the fastener, the steel wire rope is disorderly arranged on the reel, when the steel wire rope is disorderly arranged, the steel wire rope can be obliquely pulled to a lifting hook, the steel wire rope is stressed, so that the service life of the steel wire rope is shortened, and even the reel of the bridge crane is damaged, the existing bridge crane winding drum mostly adopts a rope guide in order to prevent a steel wire rope from running disorderly, but the rope guide is easy to damage due to the inclined pulling of the steel wire rope, the service life is short, the maintenance cost is high when the rope guide is frequently replaced, and the working time of workers is delayed. Therefore, the steel wire rope of the existing bridge crane winding drum device is easy to separate from the steel wire rope groove on the winding drum.

SUMMERY OF THE UTILITY MODEL

The utility model provides a winding drum device for a bridge crane, which aims to solve the technical problem that a steel wire rope of the existing winding drum device for the bridge crane is easy to separate from a steel wire rope groove. The top end of the supporting bearing seat is fixed with a vertically arranged supporting plate, the supporting plates play a supporting role, the inner sides of the upper ends of the two supporting plates are fixed with an upper supporting block, the inner sides of the lower ends of the two supporting plates are fixed with a lower supporting block arranged corresponding to the upper supporting block, the upper supporting block is provided with a vertically arranged threaded through hole, the lower supporting block is provided with a threaded through hole arranged corresponding to the upper supporting block, the upper supporting block and the lower supporting block play a supporting role, a vertically arranged adjusting screw rod is connected between the upper supporting block and the lower supporting block through a thread, the upper end of the adjusting screw rod extends out of the upper supporting block, the upper end of the adjusting screw rod is fixed with an adjusting cap, the adjusting cap is convenient to rotate the adjusting screw rod, the lower end of the adjusting screw rod extends out of the lower supporting block, a limiting block is fixed at the bottom end of the lower supporting block, the limiting block plays a role in limiting position, and when the adjusting screw rod is prevented from moving upwards, and is separated from the lower supporting block. The upper baffle and the lower baffle that the interval set up are fixed with on the adjusting screw between upper supporting block and the lower bolster, be equipped with the cord roller supporting shoe between upper baffle and the lower baffle, upper baffle and lower baffle play the effect of spacing support, set up the through-hole of vertical setting on the cord roller supporting shoe, the through-hole slightly is greater than the diameter of adjusting screw, and the diameter of through-hole is less than the diameter of upper baffle and lower baffle, adjusting screw and cord roller supporting shoe rotatable coupling, the top of reel is equipped with the cord roller that the level set up, the both ends of reel all are fixed with the bracing piece that the level set up, two bracing pieces all lie in on its corresponding cord roller supporting shoe through rolling bearing rotatable coupling, can adjust the distance between cord roller and the reel through rotating adjusting screw.

Preferably, the inboard of two backup pads all is seted up the direction recess of vertical setting, and the one end that the line ball roller was kept away from to the line ball roller supporting shoe is fixed with the guide post that the level set up, and the guide post assembly is in the guide way, and the guide post plays the guide effect.

Preferably, the length of the line pressing roller is slightly less than that of the winding drum, and the limit effect on the steel wire rope on the winding drum can be met.

The scheme has the following advantages:

the two ends of the wire pressing roller can be rotatably fixed on the wire pressing roller supporting block, and when the wire pressing roller extrudes the steel wire rope on the winding drum, the wire pressing roller rolls under the action of friction force of the steel wire rope, so that the damage to the steel wire rope is reduced; the line pressing roller supporting seat can freely move in a vertical direction along with the adjusting screw rod in an adjusting mode, the distance between the line pressing roller and the upper roller edge of the winding drum can be adjusted, and the installation of the line pressing roller is facilitated; the length of the wire pressing roller is slightly smaller than that of the winding drum, so that the wire rope on the winding drum can be limited; the guide groove and the guide rod are matched for use, so that the wire pressing roller supporting block is guided, and the wire pressing roller supporting block is guaranteed to move in the vertical direction all the time.

Drawings

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

fig. 2 is an enlarged view of a portion a of fig. 1.

Reference numerals: 1. a base; 2. a reel; 3. a wire rope; 4. a support plate; 5. adjusting the screw rod; 6. a wire pressing roller; 11. a support bearing seat; 21. a support shaft; 41. an upper support block; 42. a lower support block; 43. a guide groove; 51. an upper baffle plate; 52. a lower baffle plate; 53. an adjusting cap; 54. a limiting block; 61. a wire pressing roller supporting block; 611. a through hole; 62. a support bar; 63. a rotating bearing; 64. and a guide post.

Detailed Description

As shown in fig. 1-2, a reel device for bridge crane, fix base 1 on the monkey including two symmetries, base 1 plays the fixed effect of support, the upper end of two bases 1 all is equipped with back bearing frame 11, be equipped with reel 2 that the level set up between two back bearing frame 11, the both ends of reel 2 all are fixed with the back shaft 21 that the level set up, back shaft 21 plays the supporting role, back shaft 21 sets up with reel 2 coaxial line, two back shaft 21 all assemble rather than correspond the back bearing frame 11 that sets up in, but reel 2 free rotation, be equipped with the wire rope groove on reel 2. The top end of the supporting bearing seat 11 is fixed with a vertically arranged supporting plate 4, the supporting plate 4 plays a supporting role, the inner sides of the upper ends of the two supporting plates 4 are fixed with an upper supporting block 41, the inner sides of the lower ends of the two supporting plates 4 are fixed with a lower supporting block 42 arranged corresponding to the upper supporting block 41, the upper supporting block 41 is provided with a vertically arranged threaded through hole, the lower supporting block 42 is provided with a threaded through hole arranged corresponding to the upper supporting block 41, the upper supporting block 41 and the lower supporting block 42 play a supporting role, a vertically arranged adjusting screw rod 5 is in threaded connection between the upper supporting block 41 and the lower supporting block 42, the upper end of the adjusting screw rod 5 extends out of the upper supporting block 41, an adjusting cap 53 is fixed at the upper end of the adjusting screw rod 5, the adjusting cap 53 is convenient for rotating the adjusting screw rod 5, the lower end of the adjusting screw rod 5 extends out of the lower supporting block 42, and the bottom end of the lower supporting block 42 is fixed with a limiting block 54, the stopper 54 serves as a position limiter, and prevents the adjusting screw 5 from being separated from the lower support block 42 when moving upward. An upper baffle 51 and a lower baffle 52 which are arranged at intervals are fixed on the adjusting screw 5 between the upper supporting block 41 and the lower supporting block 42, a rope pressing roller supporting block 61 is arranged between the upper baffle 51 and the lower baffle 52, the upper baffle 51 and the lower baffle 52 play a role of limiting and supporting, a through hole 611 which is vertically arranged is formed in the rope pressing roller supporting block 61, the through hole 611 is slightly larger than the diameter of the adjusting screw 5, the diameter of the through hole 611 is smaller than the diameters of the upper baffle 51 and the lower baffle 52, the adjusting screw 5 is rotatably connected with the rope pressing roller supporting block 61, a horizontally arranged rope pressing roller 6 is arranged above the winding drum 2, supporting rods 62 which are horizontally arranged are fixed at two ends of the winding drum 2, the two supporting rods 62 are rotatably connected on the corresponding rope pressing roller supporting blocks 61 through rotating bearings 63, and the distance between the rope pressing roller 6 and the winding drum 2 can be adjusted by rotating the adjusting screw 5.

Preferably, the inner sides of the two support plates 4 are provided with vertically arranged guide grooves 43, one end of the rope pressing roller support block 61, which is far away from the line pressing roller 6, is fixed with horizontally arranged guide posts 64, the guide posts 64 are assembled in the guide grooves 63, and the guide posts 64 play a guiding role.

Preferably, the length of the wire pressing roller 6 is slightly less than that of the winding drum 2, so that the wire rope on the winding drum 2 can be limited.

The use process comprises the following steps:

when the wire pressing roller is used, the base 1 is fixed on a frame of a bridge crane trolley, the winding drum 2 can be rotatably assembled in a supporting bearing seat 11 on the base 1 through a supporting shaft 21, the wire rope 3 is wound in a wire rope groove on the winding drum 1, meanwhile, two adjusting caps 53 are clockwise rotated, the adjusting screw 5 vertically moves downwards, and the adjusting screw 5 pushes the wire pressing roller 6 to vertically move downwards, namely the wire pressing roller 6 moves towards the winding drum 2 until the wire pressing roller 6 is contacted with the wire rope 3 on the winding drum 2 and is tightly pressed; meanwhile, the two adjusting caps 53 are rotated anticlockwise, the adjusting screw 5 moves vertically upwards, and the adjusting screw 5 drives the line pressing roller 6 to move vertically upwards, so that the distance between the line pressing roller 6 and the winding drum 2 is increased.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (5)

1. The utility model provides a reel device for bridge crane, includes that two symmetries fix the base on the monkey, and the upper end of two bases all is equipped with back bearing frame, is equipped with the reel that the level set up between two back bearing frames, and the both ends of reel all are fixed with the back shaft that the level set up, and back shaft and reel coaxial line set up, and two back shafts all assemble in the back bearing frame rather than corresponding the setting, its characterized in that: the top end of each supporting bearing seat is fixedly provided with a vertically arranged supporting plate, the inner sides of the upper ends of the two supporting plates are fixedly provided with an upper supporting block, the inner sides of the lower ends of the two supporting plates are fixedly provided with a lower supporting block arranged corresponding to the upper supporting block, the upper supporting block is provided with a vertically arranged threaded through hole, the lower supporting block is provided with a threaded through hole arranged corresponding to the upper supporting block, and a vertically arranged adjusting screw rod is in threaded connection between the upper supporting block and the lower supporting block; the upper baffle and the lower baffle that the interval set up are fixed with on the adjusting screw between upper supporting block and the bottom suspension fagging, be equipped with the line ball roller supporting shoe between upper baffle and the lower baffle, set up the through-hole of vertical setting on the line ball roller supporting shoe, adjusting screw and line ball roller supporting shoe rotatable coupling, the top of reel is equipped with the line ball roller that the level set up, the both ends of reel all are fixed with the bracing piece that the level set up, two bracing pieces all lie in on its line ball supporting shoe that corresponds through rolling bearing rotatable coupling.

2. The reel device for a bridge crane according to claim 1, wherein: the inboard of two backup pads all is seted up the direction recess of vertical setting, and the one end that the line ball roller was kept away from to the line ball roller supporting shoe is fixed with the guide post that the level set up, and the guide post assembly is in the guide way.

3. The reel device for a bridge crane according to claim 2, wherein: an upper supporting block extends out of the upper end of the adjusting screw rod, and an adjusting cap is fixed at the upper end of the adjusting screw rod.

4. The reel device for a bridge crane according to claim 3, wherein: the lower end of the adjusting screw rod extends out of the lower supporting block, and the bottom end of the lower supporting block is fixed with a limiting block.

5. The reel device for a bridge crane according to claim 4, wherein: the length of the wire pressing roller is slightly smaller than that of the winding drum.

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