CN216328049U

CN216328049U - Dismounting device for rotor bearing with shaft

Info

Publication number: CN216328049U
Application number: CN202123066301.9U
Authority: CN
Inventors: 石益铖
Original assignee: Hangzhou Tsurumi Nanfang Pump Industry Co ltd
Current assignee: Hangzhou Tsurumi Nanfang Pump Industry Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-04-19
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a dismounting device for a rotor bearing with a shaft, which comprises a chuck, wherein at least three clamping jaws are uniformly distributed on the chuck; the ejector rod is adjustably arranged at the center of the chuck; the clamping jaw comprises an extension part extending outwards along the axial direction of the ejector rod and a clamping protrusion arranged at the free end of the extension part; and the jaw is also provided with an adjusting component for adjusting the distance from the rotor bearing to the extending part. A method of adjusting the assembly by the chuck; the bearing dismounting tool is convenient to dismount, simple in structure, convenient to use and applicable to bearing dismounting of various sizes.

Description

Dismounting device for rotor bearing with shaft

Technical Field

The utility model relates to the field of rotor bearings, in particular to a dismounting device for a rotor bearing with a shaft.

Background

In the actual use process, a bearing dismounting link is an important link, and the original appearance of the bearing is kept during dismounting; the safety and the disassembly efficiency of the disassembly workers are ensured. In the prior art, the bearing is easy to damage in the bearing dismounting process, the using device is complex in structure, inconvenient to operate and influences the dismounting efficiency, and in the prior art, the size is single, so that the bearing dismounting device cannot be suitable for dismounting bearings of different sizes.

For example, chinese patent document discloses "a bearing detaching device", and its publication number is CN 211163769U. In the patent, the bearing dismounting device comprises a bottom plate and a top plate, wherein a dismounting sleeve is connected to the upper surface of the bottom plate, a positioning sleeve is connected to the lower surface of the top plate, the top end of the dismounting sleeve is inserted into the positioning sleeve, a plurality of threaded sleeves are further connected to the upper surface of the bottom plate, supporting screws are respectively screwed on the plurality of threaded sleeves, and the top ends of the supporting screws are screwed on the top plate, so that the supporting screws can be matched with and adjust the distance between the top plate and the bottom plate along the vertical direction; a dismounting plate is placed at the top end of the dismounting sleeve, an annular bulge is arranged on the upper surface of the dismounting plate, and a shaft can penetrate through the through hole in the vertical direction after the bearing inner ring is placed in the annular bulge; the middle part of roof is twisted and is equipped with the roof pressure bar, and the handle is installed on the top of roof pressure bar, and a plurality of handles can cooperate and drive the roof pressure bar rotation and move along vertical direction, and the bottom pressure through the roof pressure bar is established and is made the roof pressure bar can drive the axle and move down along vertical direction on the top of axle to the annular protruding cooperation of dismantlement board makes the bearing move to the upside of axle and from the epaxial dismantlement. In this patent, the size is certain, can not be applicable to the bearing dismantlement of multiple size, simultaneously, dismantles the back of accomplishing, and the part drops, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, the present invention provides a method of adjusting an assembly by a chuck; the bearing dismounting tool is convenient to dismount, simple in structure, convenient to use and applicable to bearing dismounting of various sizes.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a dismounting device for a rotor bearing with a shaft comprises a chuck, wherein at least three clamping jaws are uniformly distributed on the chuck; the ejector rod is adjustably arranged at the center of the chuck; the clamping jaw comprises an extension part extending outwards along the axial direction of the ejector rod and a clamping protrusion arranged at the free end of the extension part; and the jaw is also provided with an adjusting component for adjusting the distance from the rotor bearing to the extending part. The distance from the rotor bearing to be disassembled to the extending part is adjusted through the adjusting assembly, namely, the highest point of the clamping protrusions is arranged on the inner ring of the rotor bearing, the disassembling stress is reasonable, the disassembling quality is guaranteed, the adaptability can be guaranteed due to the matching of the chuck and the adjusting assembly, and the adjusting assembly can be suitable for disassembling the rotor bearing in multiple sizes.

Further, the adjustment assembly includes an adjustment block that is slidably received on the extension. Simple structure, during the use, need carry out the altitude mixture control with above-mentioned regulation cushion according to the size of waiting to dismantle rotor bearing, can guarantee reasonable dismantlement position.

Furthermore, the dismounting device also comprises a lifting bearing table for placing the shaft. The disassembly safety is ensured, the safety of the disassembled rear shaft is ensured, and the labor intensity is reduced.

Furthermore, a groove arranged along the axis of the ejector rod is arranged on the tabletop of the lifting bearing table. The stability of assurance axle guarantees the dismantlement quality.

Furthermore, the ejector rod is in threaded connection with the chuck. Reliable connection and long service life.

Furthermore, the action end of the ejector rod is arranged in a pointed end manner. Complete disassembly of the rotor bearing can be ensured.

Compared with the prior art, the utility model has the advantages that: the bearing dismounting tool is convenient to dismount, simple in structure, convenient to use and capable of being suitable for dismounting bearings of various sizes.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

FIG. 3 is a partial schematic view of an embodiment.

Figure 4 is a side view of the elevating load table of the present invention.

In the figure:

1. a chuck; 2. a claw; 3. a top rod; 4. an extension portion; 5. clamping the bulges; 6. a rotor bearing; 7. adjusting the cushion block; 8. a lifting bearing table; 9. a groove; 10. a shaft.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 and fig. 2, the dismounting device for a rotor bearing with a shaft according to the present invention includes a chuck 1, in this embodiment, three jaws 2 are uniformly disposed on the chuck 1, in other embodiments, four or five jaws may be disposed, and details are not repeated herein; a top rod 3 is arranged at the central position of the clamping jaw 2, the top rod 3 is connected with the chuck 1 through screw thread connection, and the top rod 3 can reciprocate; the jaw 2 comprises an extension 4 and a catch projection 5, and it can be seen that in this embodiment, the rotor bearing 6 is sized to fit exactly into the catch projection 5, and no adjustment assembly is required to adjust the position. When using, through the position control of above-mentioned jack catch 2, will treat that the dismantlement part is placed and treat the position, the protruding 5 of above-mentioned joint just catches above-mentioned rotor bearing 6 joint, adjusts above-mentioned ejector pin 3 counter shaft 10 and acts on, carries out rotor bearing 6's dismantlement, simple structure, convenient to use.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a dismounting device for a rotor bearing with a shaft according to the present invention is shown. In this embodiment, the adjusting assembly includes an adjusting pad 7 slidably connected to the extending portion 4, and is simple in structure, when in use, the height of the adjusting pad 7 needs to be adjusted according to the size of the rotor bearing 6 to be disassembled, so that a reasonable disassembling position can be ensured, as shown in the figure, the clamping protrusion 5 is located at the reasonable clamping position through the padding height of the adjusting pad 7, so that disassembling quality is ensured, in other embodiments, the adjusting pad 7 can be disassembled and replaced, and is suitable for disassembling rotor bearings 6 of more sizes, and further description is omitted; in this embodiment, the dismounting device further comprises a lifting bearing table 8 for placing the shaft 10, so as to ensure the safety of dismounting, ensure the safety of the shaft 10 after the dismounting is completed, and reduce the labor intensity, and the tabletop of the lifting bearing table 8 is provided with a groove 9 arranged along the axis of the ejector rod 3, so that when in use, the groove 9 can ensure the stability of the shaft 10 and the dismounting quality; meanwhile, in the embodiment, the action end of the ejector rod 3 is arranged in a pointed manner, so that the rotor bearing 6 can be completely disassembled; in other embodiments, the present invention may also be configured in other forms, and is not limited thereto, and will not be described herein again.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. A dismounting device for a rotor bearing with a shaft is characterized in that: comprises that

The chuck is uniformly provided with at least three clamping jaws;

the ejector rod is adjustably arranged at the center of the chuck;

the clamping jaw comprises an extension part extending outwards along the axial direction of the ejector rod and a clamping protrusion arranged at the free end of the extension part; and the jaw is also provided with an adjusting component for adjusting the distance from the rotor bearing to the extending part.

2. The dismounting device for the shaft-bearing rotor as recited in claim 1, wherein: the adjustment assembly includes an adjustment block that is slidingly received on the extension.

3. The dismounting device for the shaft-bearing rotor according to claim 1 or 2, wherein: the dismounting device also comprises a lifting bearing table for placing the shaft.

4. The dismounting device for the shaft-bearing rotor as recited in claim 3, wherein: the tabletop of the lifting bearing table is provided with a groove which is arranged along the axis of the ejector rod.

5. The dismounting device for the shaft-bearing rotor according to claim 1 or 2, wherein: the ejector rod is in threaded connection with the chuck.

6. The dismounting device for the shaft-bearing rotor as recited in claim 3, wherein: the ejector rod is in threaded connection with the chuck.

7. The dismounting device for the shaft-bearing rotor according to claim 1 or 2, wherein: the action end of the ejector rod is arranged in a pointed end manner.

8. The dismounting device for the shaft-bearing rotor as recited in claim 3, wherein: the action end of the ejector rod is arranged in a pointed end manner.

9. The dismounting device for the shaft-bearing rotor as recited in claim 5, wherein: the action end of the ejector rod is arranged in a pointed end manner.