CN220850358U

CN220850358U - Floating oil seal press-fitting thrust wheel

Info

Publication number: CN220850358U
Application number: CN202322592925.7U
Authority: CN
Inventors: 成飏; 张华荣; 林克难
Original assignee: Changsha Hualong Heavy Duty Machine Mfg Co ltd
Current assignee: Changsha Hualong Heavy Duty Machine Mfg Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-26
Anticipated expiration: 2033-09-25

Abstract

The utility model relates to the technical field of thrust wheels, in particular to a floating oil seal press-mounting thrust wheel which comprises a wheel body, a wheel shaft arranged in the wheel body and end covers respectively connected with two ends of the wheel shaft, wherein a floating oil seal is arranged between the wheel body and the two end covers, a tightening mechanism is arranged on the end covers and comprises a circular cavity arranged in the end covers, a circular plate and a contact supporting rod are arranged in the circular cavity in a sliding manner, a compression spring is arranged in the circular cavity, two ends of the compression spring are respectively fixedly connected with the circular plate and the contact supporting rod, a special-shaped hole is formed in the end cover, and a fastener is connected to the special-shaped Kong Naluo. When the floating oil seal is loosened after long-time use between the end cover and the wheel body, the floating oil seal between the end cover and the wheel body is loosened, so that the sealing effect is poor, the elastic force can be continuously output to act on the floating oil seal through the plurality of propping mechanisms, the floating oil seal is propped against, the floating oil seal is prevented from loosening, and the sealing performance of the floating oil seal can be continuously maintained.

Description

Floating oil seal press-fitting thrust wheel

Technical Field

The utility model relates to a floating oil seal press-fitting thrust wheel, in particular to a floating oil seal press-fitting thrust wheel, and belongs to the technical field of thrust wheels.

Background

The thrust wheel is a device for improving the stability of mechanical equipment and reducing vibration, the thrust wheel is usually composed of one or more heavy objects, centrifugal force is generated by rotation of the thrust wheel so as to balance and adjust the equipment, when the thrust wheel is used in a low-speed heavy-load and severe working condition environment, the thrust wheel is generally sealed by a floating oil seal, the floating oil seal is a popular name of floating seal, belongs to a mechanical seal in dynamic seal, has super-strong sealing performance in severe working environments such as multiple coal dust, silt, water vapor and the like, is a compact mechanical seal, is mainly used in low-speed heavy-load occasions, has the advantages of automatic compensation, reliable work, simple structure and the like after abrasion resistance and end face abrasion, and is widely applied to coal mine machinery;

When the thrust wheel runs for a long time under heavy load environment, when the use appears becoming flexible for a long time between end cover and the wheel body, can lead to the floating oil blanket between end cover and the wheel body not hard up, can lead to the floating oil blanket slope for sealed effect is not good, and then leads to the floating oil blanket oil leak problem to appear, leads to lubrication effect relatively poor between bearing housing and wheel body and the shaft, increases the coefficient of friction between bearing housing and wheel body and the shaft, increases its wearing and tearing, and then influences the life of thrust wheel.

Therefore, there is a need for an improved floating oil seal press-fit thrust wheel to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a floating oil seal press-mounting thrust wheel, which can lead to loosening of a floating oil seal between an end cover and a wheel body when the floating oil seal is loosened after long-time use, so that the sealing effect is poor, and a plurality of tightening mechanisms can continuously output elastic force to act on the floating oil seal to resist and press the floating oil seal, so that the loosening of the floating oil seal is avoided, and the sealing performance of the floating oil seal can be continuously maintained.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

The floating oil seal press-mounting thrust wheel comprises a wheel body, a wheel shaft arranged in the wheel body and end covers connected with two ends of the wheel shaft respectively, wherein a floating oil seal is arranged between the wheel body and the two end covers, and a plurality of propping mechanisms for propping up the floating oil seal are arranged on the end covers;

The tight mechanism in top is including seting up the inside circular chamber of end cover, circular intracavity sliding is provided with circular plate and supports the feeler lever, the one end of supporting the feeler lever with the floating oil blanket is inconsistent, circular intracavity is provided with compression spring, compression spring's both ends respectively with circular plate with conflict pole fixed connection, be provided with special-shaped hole on the end cover, special-shaped hole with circular chamber is linked together, dysmorphism Kong Naluo has connect the fastener.

Preferably, the wheel body is internally provided with an oil storage cavity, the wheel body is internally provided with an oil injection channel, and the oil injection channel is communicated with the oil storage cavity.

Preferably, a through hole is formed in the wheel body, bearing sleeves are mounted at two ends of the through hole, and the wheel shaft is located in the bearing sleeves.

Preferably, the two end covers are provided with mounting grooves, the two ends of the bearing sleeve are provided with pin holes, and round pins penetrating through the pin holes are arranged in the mounting grooves.

Preferably, the profiled hole comprises a circular hole and a threaded hole.

Preferably, the fastener comprises a bolt and a round rod fixedly connected with the tail end of the bolt.

Preferably, a plurality of the tightening mechanisms are uniformly disposed about the central axis of the end cap.

The utility model has at least the following beneficial effects:

1. when the use appears not hard up for a long time between end cover and the wheel body, can lead to the floating oil seal between end cover and the wheel body not hard up for when sealed effect is not good, through screwing up the fastener, the round bar that constitutes the fastener can contradict the circular plate and constantly extrude the circular plate, circular plate atress compression spring, compression spring rebound elasticity is used to supporting on the feeler lever, support through the feeler lever to floating oil seal and press, the cooperation of screw hole and bolt is used, can make the fastener fastening more firm, the tight mechanism of top can last output elasticity and act on floating oil seal, support to pressing floating oil seal, avoid floating oil seal not hard up, and then can keep the sealing performance of floating oil seal constantly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic view of a three-dimensional cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of an isometric structure of the present utility model;

FIG. 4 is a schematic view of a three-dimensional cross-sectional structure of a wheel body according to the present utility model;

FIG. 5 is a schematic perspective cross-sectional view of an end cap of the present utility model;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5B according to the present utility model;

FIG. 7 is a schematic view of the structure of the fastener of the present utility model.

In the figure, 1, a wheel body; 11. a wheel axle; 12. an end cap; 13. a floating oil seal; 14. a jacking mechanism; 141. a circular cavity; 142. a circular plate; 143. a touch-up rod; 144. a compression spring; 145. a special-shaped hole; 146. a fastener; 2. an oil storage chamber; 21. an oiling channel; 3. a through hole; 31. a bearing sleeve; 4. a mounting groove; 41. a pin hole; 42. a round pin; 5. a circular hole; 51. a threaded hole; 6. a bolt; 61. a round rod.

Detailed Description

The following detailed description of embodiments of the present application will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present application can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

As shown in fig. 1-7, the floating oil seal press-mounting thrust wheel provided by the embodiment comprises a wheel body 1, a wheel shaft 11 arranged in the wheel body 1 and end covers 12 respectively connected with two ends of the wheel shaft 11, wherein a floating oil seal 13 is arranged between the wheel body 1 and the two end covers 12, the leakage of gear oil in the wheel body 1 can be avoided by arranging the floating oil seal 13, a certain sealing effect is achieved, a plurality of propping mechanisms 14 for propping up the floating oil seal 13 are arranged on the end covers 12, the plurality of propping mechanisms 14 are uniformly arranged around the central axis of the end covers 12, and when the floating oil seal 13 is loosened, the propping mechanisms 14 can enable the floating oil seal 13 to be uniformly stressed when being fixed;

The jacking mechanism 14 comprises a circular cavity 141 formed in the end cover 12, a circular plate 142 and a butting rod 143 are slidably arranged in the circular cavity 141, one end of the butting rod 143 butts against the floating oil seal 13, a compression spring 144 is arranged in the circular cavity 141, two ends of the compression spring 144 are fixedly connected with the circular plate 142 and the butting rod 143 respectively, a special-shaped hole 145 is formed in the end cover 12, the special-shaped hole 145 comprises a circular hole 5 and a threaded hole 51, the special-shaped hole 145 is communicated with the circular cavity 141, a fastener 146 is screwed in the special-shaped hole 145, the fastener 146 comprises a bolt 6 and a circular rod 61 fixedly connected with the tail end of the bolt 6, the circular rod 61 forming the fastener 146 butts against the circular plate 142 continuously to compress the circular plate 142, the circular plate 142 is stressed to compress the compression spring 144, the rebound elasticity of the compression spring 144 acts on the butting rod 143, the floating oil seal 13 is pressed against the threaded hole 51 by the butting rod, the threaded hole 51 and the bolt 6 is matched with the threaded hole, the fastener 146 is fastened more firmly, when the end cover 12 and the wheel body 1 are loosened in long-time use, the end cover 12 and the end cover 1 are loosened, the fastener 146 and the 1 are screwed in the end cover 12 and the wheel body 1, the floating oil seal 13 is prevented from being continuously pressed against the floating oil seal 13, and the floating oil seal 13 continuously by the elasticity, and the sealing mechanism is kept under the compression effect, and the sealing effect is kept, and the floating oil seal 13 is not to be kept to be loosened, and the elasticity, and the floating oil seal 13 is continuously, and the elasticity is kept by the elasticity, and the sealing effect is continuously;

As shown in fig. 1, an oil storage cavity 2 is formed in the wheel body 1, an oil injection channel 21 is formed in the wheel body 1, the oil injection channel 21 is communicated with the oil storage cavity 2, high-quality industrial gear oil is filled into the oil storage cavity 2 through the oil injection channel 21 by arranging the oil storage cavity 2 and the oil injection channel 21, the gear oil is reserved through the oil storage cavity 2, so that the thrust wheel is free of oiling and maintenance during use, manpower and material resources for periodically filling the gear oil into the thrust wheel are avoided, maintenance cost is saved, a through hole 3 is formed in the wheel body 1, bearing sleeves 31 are arranged at two ends of the through hole 3, the wheel shaft 11 is positioned in the bearing sleeves 31, the bearing sleeves 31 are used for supporting and fixing the wheel body 1, friction and abrasion of the wheel shaft 11 are reduced, the friction resistance between the bearing sleeves 31 and the wheel body 1 can be reduced, the wheel shaft 11 can rotate more smoothly, the rotation force is transferred onto the wheel body 1, meanwhile, the bearing sleeves 31 can also stabilize the position of the wheel body 1, shaking or offset is avoided in the operation process, and the wheel body has good durability and stability in long-time use;

further, as shown in fig. 1, the two end caps 12 are provided with mounting grooves 4, the two ends of the bearing sleeve 31 are provided with pin holes 41, the mounting grooves 4 are internally provided with round pins 42 penetrating the pin holes 41, and the round pins 42 are placed in the mounting grooves 4 formed in the end caps 12 by the cooperation of the round pins 42 and the pin holes 41 through the arrangement of the mounting grooves 4, the pin holes 41 and the round pins 42, so that the wheel axle 11 and the end caps 12 can be connected;

As shown in fig. 1 to 7, the principle of the floating oil seal press-fitting thrust wheel provided in this embodiment is as follows: through tightening fastener 146, the round bar 61 that constitutes fastener 146 can contradict the round plate 142 and constantly extrude the round plate 142, the round plate 142 atress compression spring 144, compression spring 144 rebound elasticity is acted on to supporting feeler lever 143, support through supporting feeler lever 143 to floating oil blanket 13 and press, the cooperation of screw hole 51 and bolt 6 is used, can make fastener 146 fastening more firm, when using for a long time between end cover 12 and wheel body 1 and appear not hard up, can lead to floating oil blanket 13 between end cover 12 and the wheel body 1 not hard up, make sealed effect poor, the tight mechanism 14 of top can last output elasticity to act on floating oil blanket 13, support and press floating oil blanket 13, avoid floating oil blanket 13 not hard up, and then can last keep floating oil blanket 13's sealing performance, through setting up oil storage chamber 2 and oiling passageway 21, the high-quality industrial gear oil of once only filling to oil storage chamber 2 inside before the thrust wheel equipment, carry out the reserve through oil storage chamber 2, can make the thrust wheel exempt from maintenance in the use, traditional thrust wheel needs the maintenance cost of filling to the inside gear oil to the regular maintenance of thrust wheel, the material resources are saved.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a floating oil seal pressure equipment thrust wheel, includes wheel body (1), locates wheel shaft (11) and end cover (12) that are connected with wheel shaft (11) both ends respectively inside wheel body (1), its characterized in that, wheel body (1) and two be provided with floating oil seal (13) between end cover (12), be provided with a plurality of tight mechanisms (14) that are used for pushing up floating oil seal (13) on end cover (12);

The utility model discloses a screw-on mechanism, including seting up inside circular chamber (141) of end cover (12), circular chamber (141) are slided and are provided with circular plate (142) and conflict pole (143), the one end of conflict pole (143) with floating oil blanket (13) are inconsistent, be provided with compression spring (144) in circular chamber (141), compression spring (144) both ends respectively with circular plate (142) with conflict pole (143) fixed connection, be provided with dysmorphism hole (145) on end cover (12), dysmorphism hole (145) with circular chamber (141) are linked together, spiro union has fastener (146) in dysmorphism hole (145), dysmorphism hole (145) include circular hole (5) and screw hole (51).

2. The floating oil seal press-fit thrust wheel of claim 1, wherein: an oil storage cavity (2) is formed in the wheel body (1), an oil injection channel (21) is formed in the wheel body (1), and the oil injection channel (21) is communicated with the oil storage cavity (2).

3. The floating oil seal press-fit thrust wheel of claim 1, wherein: the wheel body (1) is internally provided with a through hole (3), two ends of the through hole (3) are provided with bearing sleeves (31), and the wheel shaft (11) is positioned in the bearing sleeves (31).

4. A floating oil seal press-fit thrust wheel as claimed in claim 3, wherein: mounting grooves (4) are formed in the two end covers (12), pin holes (41) are formed in the two ends of the bearing sleeve (31), and round pins (42) penetrating through the pin holes (41) are arranged in the mounting grooves (4).

5. The floating oil seal press-fit thrust wheel of claim 1, wherein: the fastener (146) comprises a bolt (6) and a round rod (61) fixedly connected with the tail end of the bolt (6).

6. The floating oil seal press-fit thrust wheel of claim 1, wherein: the plurality of tightening mechanisms (14) are uniformly arranged around the central axis of the end cover (12).