CN115490177A

CN115490177A - Steel wire rope traction rope dragging wheel and processing method thereof

Info

Publication number: CN115490177A
Application number: CN202211267870.6A
Authority: CN
Inventors: 李传欣
Original assignee: Zhonghui Xinrong Beijing Environmental Protection Technology Co ltd
Current assignee: Zhonghui Xinrong Beijing Environmental Protection Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2022-12-20

Abstract

The invention discloses a steel wire rope traction rope wheel and a processing method thereof, wherein the steel wire rope traction rope wheel comprises the following steps: the wheel comprises a wheel body, wherein the middle part of the wheel body is provided with a shaft hole, and the periphery of the wheel body is annularly provided with a wheel lining mounting surface; the outer surface of the wheel body is coated with an antirust paint layer; the wheel lining is connected to the wheel lining mounting surface, a groove is annularly arranged on the outer side wall of the wheel lining, and a steel wire rope is connected in the groove; the pressing plates are provided with a plurality of groups, the pressing plates are respectively bolted on the edge of the wheel body, and the pressing plates are attached to the side surface of the wheel lining; the central shaft is connected with a bearing, the bearing is connected in the shaft hole, an oil injection hole is formed in one end part of the central shaft, an oil outlet hole penetrating through the inner side wall of the oil injection hole is formed in the outer side wall of the middle part of the central shaft, and the oil is injected into the bearing through the oil outlet hole; the oil filling nozzle is connected in the oil filling hole, and the oil filling nozzle is simple in structure, long in service life and good in corrosion prevention effect.

Description

Steel wire rope traction rope dragging wheel and processing method thereof

Technical Field

The invention relates to a rope wheel, in particular to a steel wire rope traction rope wheel and a processing method thereof.

Background

Dragging the rope sheave and playing no fungible effect in the traction transportation, the rope sheave has different work actions in the place of difference, the rope sheave that uses in the great place of traction force requires highly, it has longer life to require, intensity, fatigue resistance can both satisfy the requirement, for example, the wire rope that colliery underworkings transportation article used, it all has the rope sheave that drags to bear underneath, realize the purpose of traction transportation, because operational environment's reason, there is certain requirement to its security, but most fragile of current rope sheave, the surface corrodes easily, the operation effect is poor, the commonality is low, and life is short.

Although the coated rope pulley disclosed in chinese patent CN201910359988.3 discloses that the coating layer is applied to the pulley body to prolong the service life of the rope pulley, the fatigue resistance of the rope pulley needs to be enhanced, and the safety warning effect is poor.

Therefore, how to provide a steel rope traction sheave and a processing method thereof is a problem which needs to be solved urgently by the technical personnel in the field.

Disclosure of Invention

In view of the above, the invention provides a steel wire rope traction rope sheave which is not easy to damage, improves the corrosion resistance of the rope sheave, and prolongs the service life of the rope sheave.

In order to achieve the purpose, the invention adopts the following technical scheme: a wire rope traction sheave, comprising:

the wheel comprises a wheel body, wherein the middle part of the wheel body is provided with a shaft hole, and the periphery of the wheel body is annularly provided with a wheel lining mounting surface; the outer surface of the wheel body is coated with an antirust paint layer;

the wheel lining is connected to the wheel lining mounting surface, a groove is annularly arranged on the outer side wall of the wheel lining, and a steel wire rope is connected in the groove;

the pressing plates are provided with a plurality of groups, the pressing plates are respectively bolted on the edge of the wheel body, and the pressing plates are attached to the side surfaces of the wheel liners;

the central shaft is connected with a bearing, the bearing is connected in the shaft hole, an oil injection hole is formed in the end part of one end of the central shaft, an oil outlet hole penetrating through the inner side wall of the oil injection hole is formed in the outer side wall of the middle part of the central shaft, and oil is injected into the bearing through the oil outlet hole;

and the oil injection nozzle is connected in the oil injection hole.

The invention has the beneficial effects that: the periphery of the wheel body is annularly provided with a wheel lining mounting surface, the wheel lining mounting surface is connected with a wheel lining, a plurality of groups of pressing plates are used for pressing the position of the wheel lining, the wheel lining is used for connecting a steel wire rope, and the wheel lining can be replaced after being worn for many times due to working conditions. The center pin rotates through supporting bearing to be connected in the axle hole, has seted up oil filler point and oil outlet on the center pin, pours into the butter into in the oil filler point into the bearing, in the bearing is entered into through the oil outlet, lubricated bearing that can be abundant, is convenient for maintain the maintenance for the rotation of dragging the rope sheave is more stable, further reducing wear, the life of rope sheave is dragged in the extension, spraying antirust paint layer on the surface of wheel body, the anticorrosion ability of reinforcing wheel body, the life of rope sheave is dragged in the extension.

Preferably, the wheel body is molded by precoated sand casting made of 40Mn2 materials, a steel shot sand layer is arranged on the surface of the wheel body, and the anti-rust paint layer is sprayed on the steel shot sand layer.

Preferably, be equipped with the rim on the wheel body, the bolt hole has been seted up on the lateral wall of rim, the multiunit the clamp plate uses bolt fixed connection in the both sides of rim, be equipped with first arc limit and second arc limit on the clamp plate, first arc limit is with the interior round terminal surface parallel and level of rim, the second arc limit is located the outside of wheel lining.

Preferably, the end face of the bearing is connected with a labyrinth oil seal.

Preferably, the oil filling hole is a blind oil filling hole, the edge of an orifice of the blind oil filling hole is provided with an internal thread, and the oil filling nozzle is in threaded connection with the inside of the blind oil filling hole.

Preferably, two ends of the central shaft are provided with flat heads.

The invention also discloses a processing method of the steel wire rope traction rope sheave, which comprises the following processing steps:

the method comprises the following steps: firstly, casting a wheel body, carrying out heat treatment processing on the cast wheel body, and spraying an antirust paint layer on the surface of the wheel body meeting the strength requirement;

step two: assembling a wheel lining on the wheel body in the step one, and pressing by using a plurality of groups of pressing plates;

step three: mounting a bearing and a central shaft on the basis of the step two, arranging an oil injection hole and an oil outlet hole on the central shaft, and injecting butter into the bearing through the oil injection hole and the oil outlet hole to lubricate the bearing;

step four: tapping is carried out at the end part of the oil filling hole, and the oil filling nozzle is in threaded connection with the oil filling hole.

Preferably, in the first step, the wheel body is made of 40Mn2 material by precoated sand casting, and then normalizing treatment is performed to improve the strength of the wheel body, so that subsequent processing treatment is facilitated; and spraying a steel shot sand layer on the wheel body after the normalizing treatment, and spraying antirust paint on the basis of the steel shot sand layer.

Preferably, in the second step, a plurality of groups of pressing plates are uniformly distributed on the edges of the two sides of the wheel body at intervals in the circumferential direction, and the first arc edge of each pressing plate is subjected to laser blanking, so that the first arc edge of each pressing plate is flush with the inner circle end surface of the wheel rim, and the rotating balance of the wheel body is improved.

The beneficial effects of the invention are: adopt tectorial membrane sand casting process, use the use intensity that the wheel body has been guaranteed to 40Mn2 material, thermal treatment back sand blasting treatment, the shot sand layer can improve the quality on surface, the spraying on follow-up rust-resistant paint layer of also being convenient for, make rust-resistant paint have better adhesive force, the oil filler point and the pore outlet that set up have become the butter passageway, be convenient for pour into the butter into the bearing in, lubricated bearing, reduce bearing wear, be convenient for maintain, multiunit clamp plate structure is when guaranteeing that the installation of wheel lining is stable, satisfy wheel body pivoted dynamic balance.

Drawings

Fig. 1 is a schematic view showing the overall structure of a rope sheave for a rope traction of the present invention;

fig. 2 is a schematic view of the overall structure of a rope sheave for steel rope traction according to the present invention;

fig. 3 is a partial cross-sectional view of a rope traction sheave of the present invention.

The wheel comprises a wheel body 1, a wheel rim 11, a wheel lining 2, a pressure plate 3, a first arc edge 31, a second arc edge 32, a central shaft 4, a flat head 41, an oil injection nozzle 5, an oil injection hole 6, an oil outlet hole 7, a bearing 8, a groove 9 and a bolt 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3 of the drawings, a wire rope traction sheave according to an embodiment of the present invention includes:

the wheel comprises a wheel body 1, wherein the middle part of the wheel body 1 is provided with a shaft hole, and the periphery of the wheel body 1 is annularly provided with a wheel lining mounting surface; the outer surface of the wheel body 1 is coated with an antirust paint layer;

the wheel lining 2 is connected to a wheel lining mounting surface, a groove 9 is annularly arranged on the outer side wall of the wheel lining 2, and a steel wire rope is connected in the groove 9;

the pressing plates 3 are three groups, the three groups of pressing plates 3 are respectively connected to the edges of the two sides of the wheel body 1 through bolts 10, the bolts are galvanized bolts, the plurality of groups of pressing plates are distributed at intervals in the circumferential direction to be convenient for stabilizing the rotation of the wheel body, and each group of pressing plates 3 are attached to the side surface of the wheel lining 2 to limit the position of the wheel lining; the specific wheel liner is white, the pressing plate is yellow, and the wheel body is sprayed with black paint.

The central shaft 4 is connected with a bearing 8, the bearing 8 is connected in the shaft hole, an oil injection hole 6 is formed in the end part of one end of the central shaft 4, an oil outlet 7 penetrating through the inner side wall of the oil injection hole 6 is formed in the outer side wall of the middle part of the central shaft 4, the oil outlet is communicated with the oil injection hole to form a butter passage, and the oil outlet injects oil into the bearing 8;

and the oil filling nozzle 5 is connected in the oil filling hole 6, is filled with oil through the oil filling nozzle and is sealed under a normal state.

In other embodiments, the wheel body 1 is made of 40Mn2 and is cast by using precoated sand, a steel shot sand layer is arranged on the surface of the wheel body, the diameter of each steel shot is 1mm, the steel shot sand layer can improve the surface quality and enables paint to have better adhesive force, and the anti-rust paint layer is sprayed on the steel shot sand layer.

In other embodiments, a wheel rim 11 is arranged on the wheel body 1, bolt holes are formed in the side wall of the wheel rim 11, a plurality of groups of pressing plates 3 are fixedly connected to two sides of the wheel rim through bolts 10, a first arc edge 31 and a second arc edge 32 are arranged on the pressing plates 3, the first arc edge 31 is flush with the inner circle end face of the wheel rim 11, and the second arc edge 32 is located on the outer side of the wheel lining, so that a good compression limiting effect is achieved.

Specifically, the end face of the bearing is connected with a labyrinth oil seal. Use dedicated labyrinth oil blanket can be better isolated outside dust, reduce because of the external environment influences the life of rope sheave.

More specifically, the oil filler point is the oil filler blind hole, and the drill way edge of oil filler blind hole has seted up the internal thread screw thread, and the threaded connection of oil filler point 5 is in the oil filler blind hole.

More specifically, both ends of the central shaft 4 are provided with flat heads 41 to facilitate mounting of the sheave on the bracket. The whole central shaft is strong in universality and convenient to replace and install.

the method comprises the following steps: casting a wheel body, carrying out heat treatment processing on the cast wheel body, and spraying an antirust paint layer on the surface of the wheel body meeting the strength requirement;

Specifically, in the first step, the wheel body is made of 40Mn2 materials through precoated sand casting, and then normalizing treatment is carried out to improve the strength of the wheel body and facilitate subsequent processing treatment; and spraying a steel shot sand layer on the wheel body after normalizing treatment, and spraying antirust paint on the basis of the steel shot sand layer.

In the second step, a plurality of groups of pressing plates are uniformly distributed on the edges of the two sides of the wheel body at intervals in the circumferential direction, the first arc edges of the pressing plates are subjected to laser blanking, and the first arc edges of the pressing plates are flush with the inner circle end face of the wheel rim, so that the rotating balance of the wheel body is improved.

In some embodiments, the central shaft is hardened and tempered by 45 steel, so that the overall strength of the central shaft is improved.

For the device and the using method disclosed by the embodiment, the description is simple because the device and the using method correspond to the method disclosed by the embodiment, and the relevant points can be referred to the description of the method part.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wire rope traction sheave, comprising:

the wheel comprises a wheel body, a wheel lining and a wheel body, wherein the middle part of the wheel body is provided with a shaft hole, and the periphery of the wheel body is annularly provided with a wheel lining mounting surface; the outer surface of the wheel body is coated with an antirust paint layer;

the central shaft is connected with a bearing, the bearing is connected in the shaft hole, an oil injection hole is formed in one end part of the central shaft, an oil outlet hole penetrating through the inner side wall of the oil injection hole is formed in the outer side wall of the middle part of the central shaft, and the oil is injected into the bearing through the oil outlet hole;

and the oil injection nozzle is connected in the oil injection hole.

2. The rope sheave of claim 1, wherein the sheave body is a 40Mn2 coated sand cast mold, the surface of the sheave body has a layer of steel shot sand, and the layer of rust-inhibiting paint is applied over the layer of steel shot sand.

3. The steel wire rope traction sheave according to claim 2, wherein a wheel body is provided with a rim, the side wall of the rim is provided with bolt holes, a plurality of groups of pressure plates are connected to two sides of the rim through bolts, the pressure plates are provided with a first arc edge and a second arc edge, the first arc edge is flush with the inner circle end face of the rim, and the second arc edge is positioned outside the wheel lining.

4. A rope traction sheave according to claim 3, characterized in that labyrinth seals are connected to the end faces of the bearings.

5. The rope sheave of claim 4, wherein the oil filler hole is a blind oil filler hole, the edge of the orifice of the blind oil filler hole is threaded with an internal thread, and the oil nipple is threaded into the blind oil filler hole.

6. A rope sheave as defined in claim 5 wherein the central shaft is provided with flats at each end.

7. A method of processing a rope traction sheave according to any one of claims 1-6, comprising the processing steps of:

8. The method for processing the steel wire rope traction sheave according to claim 7, wherein in the first step, the wheel body is formed by precoated sand casting using 40Mn2 material, and then normalizing treatment is performed to improve the strength of the wheel body and facilitate subsequent processing treatment; and spraying a steel shot sand layer on the wheel body after the normalizing treatment, and spraying antirust paint on the basis of the steel shot sand layer.

9. The machining method of the steel wire rope traction rope sheave according to claim 7, wherein in the second step, a plurality of groups of pressing plates are uniformly distributed on the edges of the two sides of the sheave body at intervals in the circumferential direction, and a first arc edge of each pressing plate is subjected to laser blanking, so that the first arc edge of each pressing plate is flush with the inner circle end face of the rim, and the rotating balance of the sheave body is improved.