CN213575448U

CN213575448U - Thrust pad oil inlet mechanism and speed reducer

Info

Publication number: CN213575448U
Application number: CN202022338098.5U
Authority: CN
Inventors: 张尊建; 李钊; 刘云刚
Original assignee: Nanjing High Speed and Accurate Gear Group Co Ltd
Current assignee: Nanjing High Speed and Accurate Gear Group Co Ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-29
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to a speed reducer technical field discloses a thrust tile oil feed mechanism and speed reducer. Wherein thrust tile oil feed mechanism includes box, thrust tile, oil inlet rod and seal assembly. An oil inlet hole is formed in the box body; the thrust pad is arranged in the box body, and an oil conveying channel is arranged on the thrust pad; the oil inlet rod penetrates through the oil inlet hole and is detachably mounted on the thrust pad, an oil inlet channel is arranged on the oil inlet rod and is communicated with the oil delivery channel, and the oil inlet rod is used for supplying oil to the thrust pad; the sealing assembly is arranged on the outer side of the oil inlet hole and used for sealing the oil inlet hole. The speed reducer comprises the thrust pad oil inlet mechanism. The utility model discloses a thrust tile oil feed mechanism and speed reducer is convenient for the change of oil feed pole, improves the maintenance efficiency of thrust tile oil feed mechanism, reduces cost of maintenance; the sealing assembly prevents oil in the box body from overflowing through the oil inlet hole, and sealing of the oil inlet hole of the box body is achieved.

Description

Thrust pad oil inlet mechanism and speed reducer

Technical Field

The utility model relates to a speed reducer technical field especially relates to a thrust tile oil feed mechanism and speed reducer.

Background

The vertical mill thrust tile of industry low-speed heavy load speed reducer needs high-pressure oil feed, and the structure of its oil feed generally is: a box body of the speed reducer is provided with a connecting hole, one end of the connecting hole, which is close to the inner side of the box body, is connected to an oil delivery channel of the thrust pad through a high-pressure hose, and one end of the connecting hole, which is close to the outer side of the box body, is connected to a high-pressure oil station through a steel pipe or a high-pressure hose. However, the structure has the defects that after the speed reducer is assembled, when the high-pressure alarm device in the box body prompts faults, operators cannot detect the condition of high-pressure connection in the box body, and further cannot know whether high-pressure alarm is caused by damage of a high-pressure hose in the box body; moreover, if the high-pressure hose inside the box body is damaged, the high-pressure hose can be replaced only by disassembling the box body of the speed reducer, so that the process is complicated, and the maintenance cost is high.

Accordingly, there is a need for a thrust pad oil feeding mechanism and a speed reducer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on it, an object of the utility model is to provide a thrust tile oil feed mechanism and speed reducer, the change of the pole of advancing of being convenient for improves maintenance efficiency, reduces cost of maintenance, prevents simultaneously that the lubricating oil in the box from spilling over from the inlet port.

In order to achieve the purpose, the utility model adopts the following technical proposal:

on the one hand, provide a thrust tile oil feed mechanism, include:

the oil inlet device comprises a box body, wherein an oil inlet hole is formed in the box body;

the thrust pad is arranged in the box body, and an oil conveying channel is arranged on the thrust pad;

the oil inlet rod penetrates through the oil inlet hole and is detachably mounted on the thrust pad, an oil inlet channel is arranged on the oil inlet rod and is communicated with the oil conveying channel, and the oil inlet rod is used for supplying oil to the thrust pad;

and the sealing assembly is arranged on the outer side of the oil inlet hole and used for sealing the oil inlet hole.

As an optimal technical scheme of thrust tile oil feed mechanism, still include the connecting piece, the first end demountable installation of connecting piece in on the thrust tile, the connection can be dismantled to the second end of connecting piece the pole of intaking.

As a preferred technical scheme of the thrust pad oil inlet mechanism, the connecting piece is a connecting screw plug, a first threaded hole is formed in the thrust pad, an external thread is formed at the first end of the connecting screw plug, and the connecting screw plug is in threaded connection with the first threaded hole;

a second threaded hole is formed in the second end of the connecting screw plug, and the oil inlet rod is in threaded connection with the second threaded hole;

the thread turning direction of the external thread is consistent with that of the second threaded hole.

As a preferred technical scheme of the thrust pad oil inlet mechanism, the sealing assembly comprises an upper sealing plate, a corrugated pipe and a lower sealing plate which are sequentially connected, and the upper sealing plate is fixed on the box body;

the oil inlet rod sequentially penetrates through the lower sealing plate, the corrugated pipe, the upper sealing plate and the oil inlet hole, and the lower sealing plate is connected with the oil inlet rod in a sealing mode.

As an optimal technical scheme of the thrust pad oil inlet mechanism, the upper sealing plate and the lower sealing plate are respectively connected with the corrugated pipe in a welding mode.

As an optimal technical scheme of the thrust pad oil inlet mechanism, one end of the oil inlet rod, which is far away from the thrust pad, is arranged on an inner hole of the lower sealing plate in an interference manner.

As an optimal technical scheme of the thrust pad oil inlet mechanism, a sealing ring is arranged between the upper sealing plate and the box body.

As a preferred technical scheme of thrust tile oil feed mechanism, still include fixed subassembly, it includes fixed clamp plate and locking bolt, fixed clamp plate crimping in the upper seal plate is kept away from box one side, locking bolt be used for with fixed clamp plate lock in on the box, so that the upper seal plate is fixed in the box outside.

As an optimal technical scheme of the thrust pad oil inlet mechanism, the fixed pressing plate is far away from one side of the upper sealing plate and is provided with a shielding rib, and the shielding rib is arranged on the periphery of the corrugated pipe in a surrounding mode.

On the other hand, provide a speed reducer, include above arbitrary scheme thrust tile oil feed mechanism.

The utility model has the advantages that:

the utility model discloses in the thrust tile oil feed mechanism that provides, the inlet port of box is worn to locate by the oil feed pole, oil feed pole demountable installation is on the thrust tile in the box, on the one hand, the equipment of the thrust tile oil feed mechanism of being convenient for, on the other hand, when the high pressure alarm device suggestion trouble in the box, operating personnel can dismantle the oil feed pole, whether the inspection is the oil feed pole trouble, when the oil feed pole trouble, under the condition of not dismantling the box, the change that the oil feed pole can be direct, simplify the maintenance step, the efficiency of maintenance is improved, and the maintenance cost is reduced. The oil inlet channel of the oil inlet rod is communicated with the oil delivery channel of the thrust pad, and the high-pressure oil station can supply oil for the thrust pad through the oil inlet rod, so that high-pressure oil inlet of the thrust pad is realized. The sealing assembly is arranged on the outer side of the oil inlet hole, and the sealing assembly prevents oil in the box body from overflowing through the oil inlet hole, so that the sealing of the oil inlet hole of the box body is realized.

The utility model provides a speed reducer through adopting thrust tile oil feed mechanism more than, has simplified the equipment and the maintenance process of speed reducer, improves work efficiency, has reduced manufacturing cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a sectional view of the thrust shoe oil feeding mechanism provided by the specific embodiment of the present invention.

The figures are labeled as follows:

1. a box body; 11. an oil inlet hole; 2. a thrust pad; 21. an oil delivery passage;

3. an oil inlet rod; 31. an oil inlet channel; 4. connecting a screw plug; 41. a mesopore;

5. a seal assembly; 51. an upper sealing plate; 52. a bellows; 53. a lower sealing plate; 54. a seal ring;

6. a fixing assembly; 61. fixing the pressing plate; 611. a through hole; 612. supporting ribs; 613. shielding ribs; 62. and locking the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In order to solve the above problem, as shown in fig. 1, the present embodiment provides a thrust pad oil feeding mechanism, and the device includes a box 1, a thrust pad 2, an oil feeding rod 3, a sealing assembly 5, and a fixing assembly 6.

Specifically, the thrust pad 2 is installed in the casing 1, and the thrust pad 2 is provided with an oil delivery passage 21. Be provided with inlet port 11 on the box 1, inlet port 11 of box 1 is worn to locate by oil feed pole 3, then on oil feed pole 3 demountable installation is on the thrust tile 2 in box 1, on the one hand, the equipment of the thrust tile oil feed mechanism of being convenient for, on the other hand, when the high pressure alarm device suggestion trouble in box 1, operating personnel can dismantle oil feed pole 3, whether the inspection is oil feed pole 3 trouble, when oil feed pole 3 trouble, under the condition of not dismantling the box, the change that the oil feed pole can be direct, simplify the maintenance step, the maintenance efficiency is improved, and the maintenance cost is reduced. The oil inlet channel 31 is arranged on the oil inlet rod 3, the oil inlet channel 31 is communicated with the oil transportation channel 21, when one end, far away from the thrust bearing bush 2, of the oil inlet rod 3 is connected to a high-pressure oil station, oil of the high-pressure oil station can supply oil for the thrust bearing bush 2 through the oil inlet rod 3, and high-pressure oil inlet of the thrust bearing bush 2 is achieved. The fixed component 6 is used for installing the sealing component 5 on the outer side of the oil inlet hole 11, the sealing component 5 prevents oil in the box body 1 from overflowing, and the sealing of the oil inlet hole 11 of the box body 1 is realized.

When advancing oil rod 3 a lot of dismouting in thrust tile 2, cause the wearing and tearing of 3 installation positions of the last oil rod of thrust tile 2 easily, because the maintenance and the replacement cost of thrust tile 2 are higher, so this embodiment still includes the connecting piece, the first end demountable installation of connecting piece has into oil rod 3 on thrust tile 2, the second end demountable installation of connecting piece. The oil inlet rod 3 is installed on the thrust tile 2 through the connecting piece, the oil inlet rod 3 is disassembled and assembled, only abrasion is generated on the installation position of the connecting piece, the thrust tile 2 is not influenced by the abrasion, the service life of the thrust tile 2 is prolonged, and the production cost is reduced.

Preferably, in this embodiment, the connecting member is a connecting plug screw 4, the thrust shoe 2 is provided with a first threaded hole, a first end of the connecting plug screw 4 is provided with an external thread, and the external thread of the connecting plug screw 4 is in threaded connection with the first threaded hole. A second threaded hole is formed in the second end of the connecting screw plug 4, and the oil inlet rod 3 is in threaded connection with the second threaded hole; the thread turning direction of the external thread is consistent with that of the second threaded hole, and the inner diameter of the external thread is larger than that of the second threaded hole. The connecting screw plug 4 is provided with a central hole 41, and after the oil inlet rod 3 is installed, the oil inlet channel 31 is communicated with the oil delivery channel 21 of the thrust tile 2 through the central hole 41. During the equipment, install on thrust tile 2 connecting plug screw 4 earlier, when the installation is advanced oil pole 3, because the screw thread of external screw thread and second screw hole revolves to unanimous, so install into 3 in-process of oil pole and can make connecting plug screw 4 secondary screw up on thrust tile 2, increase the steadiness of equipment fixing. When the oil inlet rod 3 is disassembled, the inner diameter of the external thread is larger than the inner diameter of the second threaded hole, and the torque borne by the external thread is larger than that borne by the second threaded hole, so that the connecting screw plug 4 cannot be loosened and separated from the thrust bearing 2 when the oil inlet rod 3 is disassembled. And, the mode of threaded connection is all adopted at connecting plug screw 4 both ends, the equipment and the change of the pole of intaking 3 and connecting plug screw 4 of being convenient for. Moreover, dismouting oil feed pole 3 only produces wearing and tearing to the second screw hole of connecting plug screw 4, only need maintain and change connecting plug screw 4 and oil feed pole 3, and thrust tile 2 does not receive this influence, has increased thrust tile 2's life, has reduced manufacturing cost.

Further preferably, the sealing assembly 5 in this embodiment includes an upper sealing plate 51, a bellows 52 and a lower sealing plate 53 connected in sequence; the fixing assembly 6 fixes the upper sealing plate 51 outside the oil inlet hole 11; the oil inlet rod 3 is sequentially provided with a lower sealing plate 53, a corrugated pipe 52, an upper sealing plate 51 and an oil inlet hole 11 in a penetrating manner, the lower sealing plate 53 is detachably mounted on the thrust tile 2, the lower sealing plate 53 is hermetically connected with the oil inlet rod 3, the sealing of the cavity of the box body 1 is realized, and the lubricating oil in the box body 1 is prevented from being discharged through the oil inlet hole 11. Due to the arrangement of the corrugated pipe 52, the flexible characteristic of the corrugated pipe 52 provides a moving space for the swinging of the thrust bearing bush 2 and the oil inlet rod 3, and the requirement of the work use performance of the speed reducer is met.

Preferably, in this embodiment, the bellows 52, the upper seal plate 51, and the lower seal plate 53 are made of metal, and the upper seal plate 51 and the lower seal plate 53 are welded to the bellows 52, respectively, thereby achieving the sealing assembly between the upper seal plate 51 and the bellows 52 and between the lower seal plate 53 and the bellows 52. In other embodiments, the upper sealing plate 51 may be screwed to the bellows 52, and the lower sealing plate 53 may be screwed to the bellows 52, so that the sealing assembly between the upper sealing plate 51 and the bellows 52 and between the lower sealing plate 53 and the bellows 52 is also realized.

Preferably, an O-ring 54 is installed between the upper sealing plate 51 and the box body 1, so as to further seal the upper sealing plate 51 and the box body 1. Preferably, in this embodiment, the oil inlet rod 3 is far away from the thrust tile 2 one end interference mounting on the hole of lower sealing plate 53, has realized the sealed equipment of oil inlet rod 3 with lower sealing plate 53, prevents that the oil in the box 1 from spilling over. In other embodiments, the lower sealing plate 53 may also be screwed to the oil inlet rod 3, and cooperate with the sealing ring to realize sealing assembly.

Further, in the present embodiment, the fixing assembly 6 includes a fixing pressure plate 61 and a locking bolt 62, the fixing pressure plate 61 is pressed on the side of the upper sealing plate 51 away from the box body 1, and the locking bolt 62 is used for locking the fixing pressure plate 61 on the box body 1, so that the upper sealing plate 51 is fixed outside the box body 1. The center of the fixed pressing plate 61 is provided with a through hole 611, the through hole 611 is used for avoiding the corrugated pipe 52, the edge of the fixed pressing plate 61 is provided with a support rib 612, and the fixed pressing plate 61 is provided with a fixing hole. During assembly, the fixed pressing plate 61 is firstly sleeved on the corrugated tube 52, and the supporting ribs 612 are abutted on the box body 1. The box body 1 is provided with a threaded hole matched with the position of the fixing hole, and the locking bolt 62 can penetrate through the fixing hole and is in threaded connection with the threaded hole of the box body 1, so that the fixing pressing plate 61 is pressed on one side, away from the box body 1, of the upper sealing plate 51, and the upper sealing plate 51 is fixed on the outer side of the box body 1. Preferably, the supporting rib 612 of the fixing pressure plate 61 of the present embodiment is annular, the outer wall of the box body 1 is provided with a mounting groove matched with the outer diameter of the supporting rib 612, the supporting rib 612 abuts against the bottom of the mounting groove, the side wall of the mounting groove can limit the fixing pressure plate 61, and the stability of the fixing assembly 6 for locking the upper sealing plate 51 is increased.

Since the metal corrugated tube 52 is easily damaged by external impact, preferably, the side of the fixed pressing plate 61 away from the upper sealing plate 51 is provided with a shielding rib 613, the shielding rib 613 is arranged around the corrugated tube 52, and the shielding rib 613 is used for protecting the corrugated tube 52. The shielding rib 613 completely covers the corrugated tube 52, so that on one hand, the corrugated tube 52 is prevented from being impacted by the outside, on the other hand, dust on the outer side of the corrugated tube 52 is prevented from being accumulated, and the service life of the sealing assembly 5 is prolonged.

This embodiment still provides a speed reducer, and through the thrust tile oil feed mechanism that adopts more than, the equipment and the maintenance process of having simplified the speed reducer improve work efficiency, have reduced manufacturing cost.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a thrust tile oil feed mechanism which characterized in that includes:

the oil-filling device comprises a box body (1), wherein an oil inlet hole (11) is formed in the box body (1);

the thrust pad (2) is arranged in the box body (1), and an oil conveying channel (21) is arranged on the thrust pad (2);

the oil inlet rod (3) penetrates through the oil inlet hole (11) and is detachably mounted on the thrust tile (2), an oil inlet channel (31) is arranged on the oil inlet rod (3), the oil inlet channel (31) is communicated with the oil conveying channel (21), and the oil inlet rod (3) is used for supplying oil to the thrust tile (2);

and the sealing assembly (5) is arranged outside the oil inlet hole (11) and is used for sealing the oil inlet hole (11).

2. The thrust pad oil feeding mechanism according to claim 1, further comprising a connecting piece, wherein a first end of the connecting piece is detachably mounted on the thrust pad (2), and a second end of the connecting piece is detachably connected with the oil feeding rod (3).

3. The thrust pad oil inlet mechanism according to claim 2, characterized in that the connecting piece is a connecting screw plug (4), a first threaded hole is formed in the thrust pad (2), an external thread is formed at a first end of the connecting screw plug (4), and the connecting screw plug (4) is in threaded connection with the first threaded hole;

a second threaded hole is formed in the second end of the connecting screw plug (4), and the oil inlet rod (3) is in threaded connection with the second threaded hole;

4. The thrust pad oil inlet mechanism according to any one of claims 1 to 3, characterized in that the sealing assembly (5) comprises an upper sealing plate (51), a corrugated pipe (52) and a lower sealing plate (53) which are connected in sequence, wherein the upper sealing plate (51) is fixed on the box body (1);

the oil inlet rod (3) penetrates through the lower sealing plate (53), the corrugated pipe (52), the upper sealing plate (51) and the oil inlet hole (11) in sequence, and the lower sealing plate (53) is connected with the oil inlet rod (3) in a sealing mode.

5. The thrust pad oil feeding mechanism according to claim 4, wherein the upper sealing plate (51) and the lower sealing plate (53) are welded to the bellows (52), respectively.

6. The thrust pad oil inlet mechanism according to claim 4, wherein one end of the oil inlet rod (3) far away from the thrust pad (2) is arranged on an inner hole of the lower sealing plate (53) in an interference mode.

7. The thrust pad oil feeding mechanism according to claim 4, wherein a sealing ring (54) is installed between the upper sealing plate (51) and the box body (1).

8. The thrust pad oil feeding mechanism according to claim 4, further comprising a fixing assembly (6) which comprises a fixing pressure plate (61) and a locking bolt (62), wherein the fixing pressure plate (61) is in pressure joint with one side, away from the box body (1), of the upper sealing plate (51), and the locking bolt (62) is used for locking the fixing pressure plate (61) on the box body (1) so that the upper sealing plate (51) is fixed to the outer side of the box body (1).

9. The thrust pad oil inlet mechanism according to claim 8, wherein a shielding rib (613) is arranged on one side of the fixed pressing plate (61) away from the upper sealing plate (51), and the shielding rib (613) is arranged around the periphery of the corrugated pipe (52).

10. A reducer comprising a thrust pad oil feed mechanism as claimed in any one of claims 1 to 9.