CN220134522U

CN220134522U - Large-torque transmission chain of petroleum drilling machine

Info

Publication number: CN220134522U
Application number: CN202320464616.9U
Authority: CN
Inventors: 张学平
Original assignee: Suzhou Changsheng Chain Transmission Co ltd
Current assignee: Suzhou Changsheng Chain Transmission Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-12-05
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a large-torque transmission chain of an oil rig, which belongs to the technical field of transmission chains and comprises the following components: the inner chain plate, the first connecting hole has been link up in inner chain plate both ends center department, fixedly be provided with the sleeve through first connecting hole between the inner chain plate, sleeve outside rotates the cover and is equipped with the roller, the oil seam has been seted up along vertically to the roller inner wall, the inner chain plate inner wall is located the fixed lantern ring that is provided with in position outside the roller, fixedly be provided with on the lantern ring inner wall and prevent the ash layer. Therefore, the groove or the concave seam formed in the structure can be used for effectively storing lubricating oil, the attaching time of the lubricating oil on the surface of the structure is prolonged, the lubricating oil filling frequency is reduced, the structure has a better lubricating effect, and in addition, the tensile strength of the whole structure can be effectively improved through the fixed welded reinforcing strip structure, so that the structure can transmit larger torque.

Description

Large-torque transmission chain of petroleum drilling machine

Technical Field

The utility model relates to a transmission chain, in particular to a high-torque transmission chain of an oil rig, and belongs to the technical field of transmission chains.

Background

In machine tool drives, common driving members are pulleys, gears, worm gears, racks and pinions, screw nuts, and the like. The bar power source is connected with the actuating mechanism through the transmission parts, or the connection between the two actuating mechanisms is called transmission connection. A series of sequentially arranged driving members forming a driving link is called a driving chain. The structure of the drive chain in the narrow sense is composed of an inner link and an outer link. The chain consists of five small parts, namely an inner chain plate, an outer chain plate, a pin shaft, a sleeve and a roller, and the advantages and disadvantages of the chain depend on the pin shaft and the sleeve.

The utility model discloses a transmission chain, which is characterized in that the structure of the transmission chain comprises a plurality of links connected end to end, each link comprises lugs for inserting pins, lugs for placing the lugs are arranged on the links, a baffle is arranged on one side of the link, which is opposite to a chain wheel, the baffle can be abutted with the baffle on the adjacent link, and a slot for inserting the lugs is arranged on the lug.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a large torque transmission chain of an oil rig, which can realize effective storage of lubricating oil by utilizing grooves or concave joints formed in a structure, prolong the attaching time of the lubricating oil on the surface of the structure, reduce the frequency of filling the lubricating oil and enable the structure to have better lubricating effect.

In order to solve the problems, the following technical scheme is provided:

the large-torque transmission chain for the petroleum drilling machine comprises an inner chain plate, wherein first connecting holes are formed in the centers of two ends of the inner chain plate in a penetrating manner, a sleeve is fixedly arranged between the inner chain plates through the first connecting holes, a roller is sleeved outside the sleeve in a rotating manner, an oil seam is formed in the inner wall of the roller in the longitudinal direction, a lantern ring is fixedly arranged at the position, outside the roller, of the inner chain plate, an ash prevention layer is fixedly arranged on the inner wall of the lantern ring, an outer chain plate is clamped outside the inner chain plate, second connecting holes are formed in the centers of two ends of the outer chain plate in a penetrating manner, pin shafts are fixedly arranged between the outer chain plates through the second connecting holes, and the pin shafts penetrate through hole grooves in the sleeve;

the inner chain plate is characterized in that the upper side and the lower side of the inner wall of the inner chain plate are fixedly connected with inner reinforcing strips, the upper side and the lower side of the outer wall of the outer chain plate are fixedly connected with outer reinforcing strips, and annular grooves are formed in the two ends of the outer wall of the inner chain plate.

Further, the outer diameter of the barrel of the sleeve is the same as the hole diameter of the first connecting hole.

Further, the diameter of the section of the pin shaft is consistent with the diameter of the hole of the second connecting hole.

Furthermore, the extension size of the lantern ring fixedly arranged on the inner wall of the inner chain plate is not more than three millimeters.

Furthermore, the ash prevention layer is a flocculent lamellar structure with uniform gaps, wherein the flocculent lamellar structure is formed by weaving high polymer fiber yarns with excellent wear resistance.

Further, the thickness of the inner link plate is slightly thicker than the thickness of the outer link plate, and the concave dimension of the most concave point of the annular groove is smaller than the difference between the thicknesses of the inner link plate and the outer link plate.

Furthermore, the inner reinforcing strip and the outer reinforcing strip are special-shaped metal strips with high tensile property and are connected with the main body structure in a high-strength welding fixing mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the oil gap structure arranged on the inner wall of the roller, part of lubricating oil can be stored through the oil gap when lubricating oil is filled, when the roller rotates outside the sleeve, the lubricating oil in the oil gap can be uniformly smeared on the contact surface of the oil gap and the sleeve, the ash prevention layer arranged on the inner wall of the lantern ring can further reduce the friction between the inner link plate and the end part of the roller while improving the dust isolation effect by adsorbing the lubricating oil, and in addition, the annular grooves arranged at the two ends of the outer wall of the inner link plate can also play a role in storing the lubricating oil, so that the friction between the inner link plate and the outer link plate can be effectively reduced;

2. according to the utility model, through the reinforcing strip structure fixedly welded on the inner wall of the inner chain plate and the outer wall of the outer chain plate, the reinforcing strip structure is made of high-strength metal material and is fixedly connected with the inner chain plate and the outer chain plate into a whole in a high-strength welding mode, so that the tensile strength of the whole structure can be effectively improved, and the transmission chain can transmit larger torque;

specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a preferred embodiment of a high torque transmission chain for an oil rig according to the present utility model;

FIG. 2 is a schematic view of the internal chain structure of a preferred embodiment of a high torque transmission chain of an oil rig according to the present utility model;

FIG. 3 is a schematic diagram of a preferred embodiment of a high torque transmission chain for an oil rig according to the present utility model;

FIG. 4 is a schematic view of an ash prevention structure of a preferred embodiment of a high torque transmission chain of an oil rig according to the present utility model;

fig. 5 is a schematic view showing an outer chain structure of a preferred embodiment of a large torque transmission chain of an oil rig according to the present utility model.

In the figure: 1. an inner link plate; 2. a first connection hole; 3. a sleeve; 4. a roller; 5. an oil seam; 6. a collar; 7. an ash prevention layer; 8. an outer link plate; 9. a second connection hole; 10. a pin shaft; 11. an inner reinforcing strip; 12. an outer reinforcing strip; 13. an annular groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 2-4, the large torque transmission chain of the petroleum drilling machine provided by the embodiment comprises an inner chain plate 1, a first connecting hole 2 is formed in the center of two ends of the inner chain plate 1 in a penetrating manner, a sleeve 3 is fixedly arranged between the inner chain plates 1 through the first connecting hole 2, the outer diameter of a cylinder body of the sleeve 3 is identical to the diameter of a hole of the first connecting hole 2, the sleeve 3 is fixedly connected with the first connecting hole, a roller 4 is sleeved outside the sleeve 3 in a rotating manner, the roller 4 is in smooth contact with gear teeth through rolling on the sleeve 3, an oil seam 5 is formed in the inner wall of the roller 4 in the longitudinal direction, the oil seam 5 can play a good role of storing lubricating oil, the attaching effect of the lubricating oil is improved, a lantern ring 6 is fixedly arranged at the position of the inner wall of the inner chain plate 1 outside the roller 4, the extending size of the lantern ring 6 fixedly arranged on the inner wall of the inner chain plate 1 is not more than three millimeters, an ash preventing layer 7 is fixedly arranged on the inner wall of the lantern ring 6, and the ash preventing layer 7 is a uniform floccule structure formed by high polymer fiber with excellent wear-resisting performance, and has a good dust blocking effect while preventing the roller 4 from rotating.

As shown in fig. 5, in the large torque transmission chain of the oil rig provided by the embodiment, the outer chain plate 8 is clamped outside the inner chain plate 1, the second connecting holes 9 are formed in the centers of the two ends of the outer chain plate 8 in a penetrating manner, the pin shafts 10 are fixedly arranged between the outer chain plates 8 through the second connecting holes 9, the section diameter size of the pin shafts 10 is consistent with the hole diameter of the second connecting holes 9, the two can be firmly connected through the structural form, the pin shafts 10 penetrate through the hole grooves in the sleeve 3, and the pin shafts 10 can freely rotate in the sleeve 3.

As shown in fig. 2 and 5, the large torque transmission chain for the petroleum drilling machine provided by the embodiment is characterized in that the upper side and the lower side of the inner wall of the inner chain plate 1 are fixedly connected with the inner reinforcing strips 11, the upper side and the lower side of the outer wall of the outer chain plate 8 are fixedly connected with the outer reinforcing strips 12, the inner reinforcing strips 11 and the outer reinforcing strips 12 are special-shaped metal strips with high tensile property and are connected with the main structure in a high-strength welding fixing mode, the tensile strength of the whole structure can be effectively improved, and accordingly the transmission chain can transmit large torque.

As shown in FIG. 1, in the large torque transmission chain of the petroleum drilling machine provided by the embodiment, annular grooves 13 are formed in two ends of the outer wall of the inner chain plate 1, the annular grooves 13 can play a good role in storing lubricating oil, the adhesion effect of the lubricating oil is improved, meanwhile, the thickness of the inner chain plate 1 is slightly thicker than that of the outer chain plate 8, and meanwhile, the concave size of the most concave point of the annular grooves 13 is smaller than the difference value between the thicknesses of the inner chain plate 1 and the outer chain plate 8.

The application principle and the application flow of the utility model are as follows: the outer chain plate 8 is inserted into the sleeve 3 fixedly connected with the inner chain plate 1 through the pin shaft 10 fixedly connected with the outer chain plate to realize firm lap joint with the inner chain plate 1 so as to form a long chain structure, and meanwhile, the pin shaft 10 can freely rotate in the sleeve 3, so that the whole chain body can freely bend to adapt to the connection conditions of various angles; the gear teeth of the gear structure are clamped on the rollers 4, and the rollers 4 roll on the sleeve 3 to realize smooth contact with gear teeth; the ash prevention layer 7 is a flocculent lamellar structure with uniform gaps, which is formed by weaving polymer fiber yarns with excellent wear resistance, has a good blocking effect on dust and foreign matters, and does not prevent the roller 4 from rotating; the oil gap 5 and the annular groove 13 can play a good role in storing lubricating oil, and the adhesion effect of the lubricating oil is improved; in addition, the inner reinforcing strip 11 and the outer reinforcing strip 12 which are fixedly welded with the chain structure can effectively improve the tensile strength of the whole structure, so that the transmission chain can transmit larger torque.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims

1. The utility model provides a big moment of torsion drive chain of oil-well rig, its characterized in that includes inner link joint (1), inner link joint (1) both ends center department link up and has seted up first connecting hole (2), fixedly provided with sleeve (3) through first connecting hole (2) between inner link joint (1), sleeve (3) outside rotates the cover and is equipped with roller (4), oil seam (5) have been seted up along vertically to roller (4) inner wall, inner link joint (1) inner wall is located the fixed lantern ring (6) that are provided with in position outside roller (4), fixedly on lantern ring (6) inner wall be provided with ash prevention layer (7), outer link joint (8) have been pressed from both sides to inner link joint (1) outside, second connecting hole (9) have been link joint in outer link joint (8) both ends center department link up, fixedly provided with round pin axle (10) through second connecting hole (9) between outer link joint (8), and round pin axle (10) pass the hole groove in sleeve (3);

the inner chain plate (1) is characterized in that the upper side and the lower side of the inner wall of the inner chain plate are fixedly connected with inner reinforcing strips (11), the upper side and the lower side of the outer wall of the outer chain plate (8) are fixedly connected with outer reinforcing strips (12), and annular grooves (13) are formed in the two ends of the outer wall of the inner chain plate (1).

2. A heavy-duty transmission chain for petroleum drilling machines according to claim 1, characterised in that the external diameter of the cylinder of the sleeve (3) is of a size corresponding to the diameter of the hole of the first connecting hole (2).

3. A heavy-duty transmission chain for petroleum drilling machines according to claim 1, characterised in that the cross-sectional diameter of the pin (10) is of a size corresponding to the hole diameter of the second connecting hole (9).

4. The large torque transmission chain of the petroleum drilling machine according to claim 1, wherein the extending dimension of the collar (6) fixedly arranged on the inner wall of the inner chain plate (1) is not more than three millimeters.

5. The large torque transmission chain of the petroleum drilling machine according to claim 1, wherein the ash preventing layer (7) is a flocculent lamellar structure which is formed by weaving polymer fiber filaments with excellent wear resistance and has uniform gaps.

6. A heavy-duty transmission chain for an oil rig according to claim 1, characterized in that the thickness of the inner link plate (1) is slightly thicker than the thickness of the outer link plate (8) and the recess dimension of the most concave point of the annular groove (13) is smaller than the difference between the thicknesses of the inner link plate (1) and the outer link plate (8).

7. The large torque transmission chain of the petroleum drilling machine according to claim 1, wherein the inner reinforcing bar (11) and the outer reinforcing bar (12) are special-shaped metal bars with high tensile property and are connected with the main body structure in a high-strength welding fixing mode.