CN204371944U - Head sheave of hoister copper sheathing and head sheave of hoister - Google Patents

Abstract

The utility model discloses a hoist sky wheel copper sleeve, which comprises a cylindrical copper sleeve body; a lubricating oil groove is arranged on the inner ring surface of the copper sleeve body; There are a plurality of cavities, and a solid lubricant is embedded in each of the cavities. The utility model also discloses a hoist sky wheel. The hoist sky wheel copper sleeve and the hoist sky wheel provided by the utility model run smoothly without abnormal noise, can store oil, reduce the workload of lubrication and maintenance, and prolong the service life.

Description

Hoist sky wheel copper sleeve and hoist sky wheel

technical field

The utility model relates to the technical field of a hoisting machine sky wheel and a sleeve thereof, in particular to a hoisting machine sky wheel copper sleeve and the hoisting machine sky wheel.

Background technique

The material of the existing hoist top wheel sleeve is mainly tin bronze, and the existing hoist top wheel sleeve mainly adopts a split structure, which is composed of at least two or more parts, and there is a certain gap between each part. The existing split copper sleeve has the following problems during use:

1. Abnormal noise is prone to occur, because the split copper sleeves collide with each other, and in severe cases, deformation will aggravate wear and cause failure.

2. Due to the large gap between the parts, it is not conducive to the storage of grease, and the cycle of filling grease is short, which increases the maintenance workload and affects the service life.

Utility model content

The purpose of the utility model is to overcome the defects in the prior art, and provide a hoist top wheel copper sleeve and hoist top wheel that run smoothly without abnormal noise, can store oil, reduce the workload of lubrication and maintenance, and prolong the service life.

The technical scheme of the utility model provides a hoist sky wheel copper sleeve, which includes a cylindrical copper sleeve body; the inner ring surface of the copper sleeve body is provided with a lubricating oil groove, and the inner ring surface of the copper sleeve body is also A plurality of cavities are provided, and a solid lubricant is embedded in each of the cavities.

Further, the solid lubricant is graphite lubricant.

Further, the copper sleeve body has an integrated structure.

Further, the hole is a through hole passing through the outer ring surface of the copper sleeve body and the inner ring surface, and the end of the solid lubricant close to the inner ring surface is flush with the inner ring surface Setting, the end of the solid lubricant close to the outer ring surface is arranged flush with the outer ring surface.

Further, the ratio of the sum of the areas of the openings of the plurality of holes on the inner ring to the area of the inner ring is between 1% and 20%.

Further, a plurality of lubricating oil grooves are evenly distributed along the axial direction on the inner ring surface, at least one circle of the lubricating oil grooves is arranged along the circumferential direction of the inner ring surface, and the plurality of axially arranged lubricating oil grooves The lubricating oil grooves are respectively communicated with the lubricating oil grooves arranged in the circumferential direction; a plurality of holes are evenly distributed between every two adjacent axially arranged lubricating oil grooves.

The technical scheme of the utility model also provides a hoist sky wheel with the above-mentioned hoist sky wheel copper sleeve, including a sky wheel shaft and a sky wheel hub installed on the sky wheel shaft, between the sky wheel shaft and the A hoist sky wheel copper sleeve is also inlaid between the hubs of the sky wheel; the hoist sky wheel copper sleeve includes a cylindrical copper sleeve body; the inner ring surface of the copper sleeve body is provided with a lubricating oil groove, the A plurality of cavities are also arranged on the inner ring surface of the copper sleeve body, and a solid lubricant is embedded in each of the cavities.

Adopt above-mentioned technical scheme, have following beneficial effect:

By opening a plurality of holes on the inner ring surface of the copper sleeve body, a solid lubricant is placed in the holes to absorb or release lubricating oil, that is, to temporarily store oil. When there is too much lubricating oil in the copper sleeve body, the solid The lubricant absorbs the lubricating oil for storage. When the lubricating oil in the copper sleeve body is too small, under the action of the rotating force, the solid lubricant releases the absorbed lubricating oil, which further plays a lubricating role. At the same time, the solid lubricant itself also It can play a lubricating role, reducing the workload of lubricating and maintaining the sky wheel, and prolonging the service life.

Since the main body of the copper sleeve of the sky wheel is set in one piece, the collision phenomenon during the operation of the split copper sleeve is eliminated, and the operation has no abnormal noise and is more stable.

To sum up, the hoist top wheel copper sleeve and the hoist top wheel provided by the utility model run smoothly without abnormal noise, can store oil, reduce the workload of lubrication and maintenance, and prolong the service life.

Description of drawings

Fig. 1 is the cross-sectional view of the hoist sky wheel copper sleeve provided by the utility model along its axis direction;

Figure 2 is a schematic diagram of the hole layout of the hoist's sky wheel copper sleeve;

Fig. 3 is a sectional view of the sky wheel of the hoist provided by the utility model.

Reference sign comparison table:

1-copper bushing of hoist wheel; 11-copper bushing main body; 12-inner ring surface;

13-outer ring surface; 14-cavity; 15-solid lubricant;

16- lubricating oil tank; 2- hoist sky wheel; 21- sky wheel shaft;

22-day wheel hub.

Detailed ways

The specific embodiment of the utility model will be further described below in conjunction with the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

As shown in Figure 1-2, the utility model provides a copper sheath 1 for the top wheel of a hoist, which includes a cylindrical copper sheath body 11 .

A lubricating oil groove 16 is provided on the inner ring surface 12 of the copper sleeve body 11 , and a plurality of holes 14 are arranged on the inner ring surface 12 of the copper sleeve body 11 , and a solid lubricant 15 is embedded in each hole 14 .

The hoist sky wheel copper sleeve 1 provided by the utility model is mainly used on the hoist sky wheel and includes a cylindrical copper sleeve body 11. The copper sleeve body 11 includes an outer surface and an inner surface. Due to the difference between the outer surface and the inner surface The cross-sections are arranged in a ring shape, which are respectively referred to as the outer ring surface 13 and the inner ring surface 12 . A lubricating oil groove 16 is provided on the inner ring surface 12 for the circulation of lubricating oil. When in use, the external lubricating oil is filled into the copper sleeve body 1 for lubrication, and the lubricating oil will flow along the lubricating oil groove 16 to a designated position.

A plurality of holes 14 are also provided on the inner ring surface 12, and a solid lubricant 15 is embedded in each hole 14, and the solid lubricant 15 is used to absorb or release lubricating oil and play a temporary oil storage function. Specifically, when there is too much lubricating oil in the copper sleeve body 11, the solid lubricant 15 absorbs the lubricating oil for storage; The absorbed lubricating oil is released to further lubricate, while the solid lubricant 15 itself can also play a lubricating role, which reduces the workload of the sky wheel lubrication maintenance and prolongs the service life.

During the sliding friction process between the hoist sky wheel copper sleeve 1 and the sky wheel shaft, a part of the solid lubricant 15 particles are rubbed into the friction surface between the elevator sky wheel copper sleeve 1 and the sky wheel shaft to form a layer of relatively stable solid The lubricant diaphragm effectively prevents the adhesive wear of both. This kind of lubricating structure not only has the high load-carrying capacity of metal materials, but also has the lubricating performance of anti-friction materials, and is especially suitable for sliding bearing structures with little or no oil, high temperature and heavy load.

When the sky wheel is in normal operation, a certain amount of lubricant is generally added regularly, and the lubricant is gradually brought into the gap between the copper sleeve 1 of the hoist wheel and the shaft of the sky wheel through the lubricating oil groove 16 provided on the inner ring surface 12 to play a role. Very good lubrication. When the lubricating grease is insufficient, the lubricating function of the above-mentioned solid lubricant 15 is immediately manifested, which reduces the influence of dry friction on the copper sleeve 1 of the sky wheel of the hoist, and prolongs the cycle of adding grease.

The holes 14 can be through holes, blind holes, holes, holes or caverns of any shape. Preferably, the hole 14 is selected as a circular hole, which is convenient for processing and installing the solid lubricant 15 .

Above-mentioned solid lubricant 15 can be lubricants such as lead, graphite.

To sum up, the hoist sky wheel copper sleeve provided by the utility model runs smoothly without abnormal noise, can store oil, reduces the workload of lubrication and maintenance, and prolongs the service life.

Preferably, the solid lubricant 15 is graphite lubricant, which has good hardness and can meet lubrication requirements.

Preferably, the copper sleeve body 11 has an integral structure, also called an integral structure. With such a setting, the structural strength is high, and the collision phenomenon during the operation of the split copper sleeve is eliminated, and the operation has no abnormal noise and is more stable. The above-mentioned one-piece type means that the copper sleeve body 11 is made of a whole plate, rather than being formed by splicing multiple parts like the split type.

Preferably, as shown in Figure 1-2, the hole 14 is a through hole through the outer ring surface 13 and the inner ring surface 12 of the copper sleeve body 11, and the end of the solid lubricant 15 close to the inner ring surface 12 and the inner ring surface The surface 12 is flush with the outer ring surface 13 , and the end of the solid lubricant 15 close to the outer ring surface 13 is flush with the outer ring surface 13 .

That is to say, the hole 14 is set as a through hole, which runs through the inner ring surface 12 and the outer ring surface 13, and the solid lubricant 15 is embedded in the through hole, and its inner end, that is, the end close to the inner ring surface 12 and the The inner ring surface 12 is set flush to ensure that it can be in contact with the sky wheel shaft for lubrication; its outer end, that is, the end close to the outer ring surface 13 is set flush with the outer ring surface 13 to ensure that it can be in contact with the sky wheel hub , for lubrication. Such setting not only has a good lubricating effect, but also improves the sealing performance.

Preferably, the ratio of the sum of the areas of the openings of the plurality of holes 14 on the inner annular surface 12 to the area of the inner annular surface 12 is between 1% and 20%. That is to say, the wear-reducing area of the solid lubricant 15 is 1%-20% of the area of the sliding friction surface of the inner ring surface 12, which can not only ensure the structural strength of the copper sleeve body 11, but also play a good role in oil storage. and lubricating effect.

Preferably, as shown in Figure 1-2, a plurality of lubricating oil grooves 16 are evenly distributed on the inner ring surface 12 along its axial direction, at least one ring of lubricating oil grooves 16 is provided along the circumferential direction of the inner ring surface 12, and a plurality of The lubricating oil grooves 16 arranged in the axial direction communicate with the lubricating oil grooves 16 arranged in the circumferential direction respectively; a plurality of holes 14 are evenly distributed between every two adjacent lubricating oil grooves 16 arranged in the axial direction.

In order to improve the circulation effect of lubricating oil in the copper sleeve body 11, a plurality of lubricating oil grooves 16 are arranged on the inner ring surface 12 along the axial direction of the inner ring surface 12, and at least One lubricating oil groove 16 , and the radially arranged lubricating oil groove 16 communicates with the circumferentially arranged lubricating oil groove 16 for supplying oil to various positions in the inner ring surface 12 of the sleeve body 11 . In order to improve the lubricating and oil storage effect, a plurality of holes 14 are evenly distributed between every two adjacent axially arranged lubricating oil grooves 16, and a solid lubricant is embedded in each hole 14.

To sum up, the hoist sky wheel copper sleeve provided by the utility model can greatly prolong the period of lubricating grease, reduce the maintenance workload, and prolong the service life; the inlaid graphite itself has self-lubricating properties, saving Lubricating grease is consumed; the collision phenomenon during the operation of the split copper sleeve is eliminated, and the rotation of the sky wheel has no abnormal noise and is more stable.

As shown in Figure 3, a hoist sky wheel 2 provided by the utility model includes a sky wheel shaft 21 and a sky wheel hub 22 installed on the sky wheel shaft 21, and a Hoist sky wheel copper sleeve 1.

Wherein, as shown in Fig. 1-2, the hoist top wheel copper sleeve 1 includes a cylindrical copper sleeve body 11. A lubricating oil groove 16 is provided on the inner ring surface 12 of the copper sleeve body 11 , and a plurality of holes 14 are arranged on the inner ring surface 12 of the copper sleeve body 11 , and a solid lubricant 15 is embedded in each hole 14 .

The hoist sky wheel 2 includes a sky wheel shaft 21, a sky wheel hub 22 and a hoist sky wheel copper sleeve 1, wherein the hoist sky wheel copper sleeve 1 is embedded between the sky wheel shaft 21 and the sky wheel hub 22.

The copper sheath 1 of the sky wheel of the hoist includes a cylindrical copper sheath body 11. The copper sheath body 11 includes an outer surface and an inner surface. Since the cross-sections of the outer surface and the inner surface are arranged in a ring shape, they are respectively called the outer ring surface 13 and inner annulus 12 . A lubricating oil groove 16 is provided on the inner ring surface 12 , and the external lubricating oil is filled into the copper sleeve body 1 to play a lubricating role during use, and the lubricating oil will flow along the lubricating oil groove 16 to a designated position.

A plurality of holes 14 are also provided on the inner ring surface 12, and a solid lubricant 15 is embedded in each hole 14, and the solid lubricant 15 is used to absorb or release lubricating oil and play a temporary oil storage function. Specifically, when there is too much lubricating oil in the copper sleeve body 11, the solid lubricant 15 absorbs the lubricating oil for storage; The absorbed lubricating oil is released to further lubricate the sky wheel shaft 21 and the copper sleeve body 11. Meanwhile, the solid lubricant 15 itself can also play a lubricating role, reducing the workload of the sky wheel lubrication maintenance and prolonging the service life.

During the sliding friction process between the hoist sky wheel copper sleeve 1 and the sky wheel shaft 21, a part of the solid lubricant 15 particles are rubbed into the friction surface between the hoist sky wheel copper sleeve 1 and the sky wheel shaft 21, forming a relatively stable layer The solid lubricant diaphragm effectively prevents the adhesion and wear of the two. This kind of lubricating structure not only has the high load-carrying capacity of metal materials, but also has the lubricating performance of anti-friction materials, and is especially suitable for sliding bearing structures with little or no oil, high temperature and heavy load.

When the sky wheel is in normal operation, a certain amount of lubricant is generally added regularly, and the lubricant is gradually brought into the gap between the copper sleeve 1 of the hoist wheel and the shaft 21 of the sky wheel through the lubricating oil groove 16 provided on the inner ring surface 12, and the to good lubrication. When the lubricating grease is insufficient, the lubricating function of the above-mentioned solid lubricant 15 is immediately manifested, which reduces the influence of dry friction on the copper sleeve 1 of the sky wheel of the hoist, and prolongs the cycle of adding grease.

The holes 14 can be through holes, blind holes, holes, holes or caverns of any shape. Preferably, the hole 14 is selected as a circular hole, which is convenient for processing and installing the solid lubricant 15 .

Above-mentioned solid lubricant 15 can be lubricants such as lead, graphite.

The structure, structure, and working principle of the hoist sky wheel copper sleeve 1 in the above hoist sky wheel 2 are the same as those of the hoist sky wheel copper sleeve 1 described above. Please refer to the description of the hoist top wheel copper sleeve 1 in the previous part for the content of the hoist top wheel copper sleeve 1.

In summary, the sky wheel of the hoist provided by the utility model can greatly prolong the cycle of filling lubricating grease, reduce the maintenance workload, and prolong the service life; the inlaid graphite itself has self-lubricating properties, which saves lubricating grease Consumption; the collision phenomenon in the operation of the split copper sleeve is eliminated, and the rotation of the sky wheel has no abnormal sound and becomes more stable.

According to needs, the above technical solutions can be combined to achieve the best technical effect.

The above are only principles and preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, several other modifications can be made on the basis of the principle of the utility model, which should also be regarded as the protection scope of the utility model.

Claims (10)

1. A hoist sky wheel copper sleeve (1), characterized in that, comprises a cylindrical copper sleeve body (11); The inner ring surface (12) of the copper sleeve body (11) is provided with a lubricating oil groove (16), and the inner ring surface (12) of the copper sleeve body (11) is also provided with a plurality of holes (14), A solid lubricant (15) is embedded in each hole (14). 2. A hoist top wheel copper bushing (1) according to claim 1, characterized in that the solid lubricant (15) is a graphite lubricant. 3. A hoist top wheel copper sleeve (1) according to claim 1 or 2, characterized in that the copper sleeve body (11) is an integral structure. 4. A hoist top wheel copper sleeve (1) according to claim 1 or 2, characterized in that the hole (14) is an outer ring surface (13) penetrating through the copper sleeve body (11) With the through hole of the inner ring surface (12), the end of the solid lubricant (15) close to the inner ring surface (12) is flush with the inner ring surface (12), and the solid lubricant (15) The end of the lubricant (15) close to the outer ring surface (13) is arranged flush with the outer ring surface (13). 5. A hoist top wheel copper sleeve (1) according to claim 3, characterized in that the hole (14) is formed by connecting the outer ring surface (13) of the copper sleeve body (11) and the The through hole of the inner ring surface (12), the end of the solid lubricant (15) close to the inner ring surface (12) is arranged flush with the inner ring surface (12), and the solid lubricant The end of (15) close to the outer ring surface (13) is flush with the outer ring surface (13). 6. A hoist top wheel copper bushing (1) according to claim 1 or 2, characterized in that the area of the opening of the plurality of holes (14) on the inner ring surface (12) is The ratio of sum to the area of the inner ring surface (12) is between 1% and 20%. 7. A kind of hoist top wheel copper bushing (1) according to claim 3, is characterized in that, the sum of the area of the opening of a plurality of said holes (14) on said inner ring surface (12) and The area ratio of the inner ring surface (12) is between 1% and 20%. 8. A hoist top wheel copper bushing (1) according to claim 1 or 2, characterized in that a plurality of said lubricating oil grooves are evenly distributed along the axial direction on said inner ring surface (12) (16), at least one ring of the lubricating oil grooves (16) is provided along the circumferential direction of the inner ring surface (12), and a plurality of axially arranged lubricating oil grooves (16) are respectively connected with all the lubricating oil grooves (16) arranged along the circumferential direction. The lubricating oil tank (16) is connected; A plurality of holes (14) are evenly distributed between every two adjacent axially arranged lubricating oil grooves (16). 9. A hoist top wheel copper bushing (1) according to claim 3, characterized in that a plurality of lubricating oil grooves (16) are evenly distributed along the axial direction on the inner ring surface (12) ), at least one ring of the lubricating oil grooves (16) is provided along the circumferential direction of the inner ring surface (12), and a plurality of axially arranged lubricating oil grooves (16) are respectively connected with the lubricating oil grooves (16) arranged along the circumferential direction. The oil tank (16) is connected; A plurality of holes (14) are evenly distributed between every two adjacent axially arranged lubricating oil grooves (16). 10. A hoist sky wheel (2) with the hoist sky wheel copper sleeve (1) described in any one of claims 1-9, comprising a sky wheel shaft (21) and being installed on said sky wheel shaft ( 21) the sky wheel hub (22), characterized in that a hoist sky wheel copper sleeve (1) is inlaid between the sky wheel shaft (21) and the sky wheel hub (22); The hoist sky wheel copper sleeve (1) comprises a cylindrical copper sleeve body (11); A lubricating oil groove (16) is provided on the inner ring surface (12) of the copper sleeve body (11), and a plurality of holes (14) are also provided on the inner ring surface (12) of the copper sleeve body (11) , each hole (14) is embedded with a solid lubricant (15).