CN219213019U

CN219213019U - Hole type bearing extracting tool convenient to adjust

Info

Publication number: CN219213019U
Application number: CN202223006237.XU
Authority: CN
Inventors: 张晓军
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-06-20
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses an inner hole type bearing dismounting tool convenient to adjust, which comprises a pull rod, wherein an impact block is arranged outside the pull rod, a handle is connected above the impact block, a lock nut is arranged below the limiting piece, and a supporting pull frame is arranged below the lock nut; the adjusting groove is formed in the support pull frame, an extension rod is arranged at the lower end of the support rod, and a hemisphere is connected below the extension rod; and the connecting screw rod is arranged at the joint of the supporting rod and the extension rod. This hole formula bearing extracting tool convenient to adjust compares with current device, presss from both sides tight location to both sides about the bearing through bracing piece and extension pole, and the hemisphere can stretch into in the bearing inner and outer lane clearance simultaneously to can select suitable block mode according to the kind of bearing, can be convenient for adjust the relative position of bracing piece through the adjustment tank, thereby can adjust the support interval according to the bearing size.

Description

Hole type bearing extracting tool convenient to adjust

Technical Field

The utility model relates to the technical field of machinery, in particular to an inner hole type bearing dismounting tool convenient to adjust.

Background

In equipment maintenance work, the condition that the bearing needs to be disassembled is frequently encountered. Because the bearing has the interference with the cooperation of bearing hole, it is laborious to dismantle. Disassembly of bearings of small diameter is relatively difficult. Particularly, the bearing installed in the blind hole (i.e. one end of the bearing is not provided with a through hole) needs to be disassembled, the bearing is deep in a workpiece of the blind hole and cannot be disassembled by using the existing standard tool, when repairing personnel disassemble the bearing, the common method is to use gas welding, arc welding or prying by using a pry bar, which is time-consuming and labor-consuming, and the bearing and the workpiece are easy to damage, so that an inner hole type bearing disassembling tool is needed.

The Chinese patent with the publication number of CN213054611U discloses a dismounting tool for a bearing, which comprises an expansion cylinder, wherein a first tensioning nut is arranged at the rear end of the expansion cylinder, a tensioning bolt is arranged on the inner side of the expansion cylinder, a second thread is arranged on the outer surface of the rear end of the tensioning bolt, a second tensioning nut is arranged on the outer surface of the second thread, a second thread is arranged on the outer surface of the expansion cylinder close to the middle end, a gasket is arranged on the outer surface of the expansion cylinder close to the rear end of the supporting claw block, and a pull-out nut is arranged on the outer surface of the expansion cylinder close to the rear end of the gasket. The bearing dismounting tool disclosed by the utility model is simple in structure and convenient to use, can be used for easily dismounting the bearing, and has a good application prospect.

The above-mentioned dismounting tool for bearings is usually only suitable for bearings of one size, but in practice, bearings of various sizes are encountered, so that various tools need to be carried and replaced frequently in the use process, which is time-consuming and laborious.

Disclosure of Invention

The utility model aims to provide an inner hole type bearing dismounting tool convenient to adjust, so as to solve the problems that the dismounting tool of the bearing is usually only suitable for bearings with one size, and in practice, bearings with various sizes can be encountered, so that various tools need to be carried and replaced frequently in the use process, and time and labor are wasted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an female bearing removal tool convenient to adjust, comprising:

the impact block is arranged outside the pull rod, the grip is connected above the impact block, the limit piece is arranged below the impact block, the lock nut is arranged below the limit piece, and the support pull frame is arranged below the lock nut;

the adjusting groove is formed in the supporting pulling frame, a supporting rod is arranged in the adjusting groove, a positioning nut is arranged on the outer side of the supporting rod, an extension rod is arranged at the lower end of the supporting rod, and a hemisphere is connected below the extension rod;

and the connecting screw rod is arranged at the joint of the supporting rod and the extension rod.

Preferably, the supporting rod is in threaded connection with the extension rod through a connecting screw rod, and the hemispherical body is in welded connection with the extension rod.

Preferably, the supporting rods penetrate through the supporting pull frame through the adjusting grooves, and the supporting rods are symmetrically distributed on the central point of the supporting pull frame.

Preferably, the supporting rod penetrates through the positioning nut, and the positioning nut is symmetrically distributed relative to the central line of the supporting pull frame.

Preferably, the supporting pull frame is further provided with:

the limiting pile is arranged above the supporting pulling frame, the expansion plate is arranged at the joint of the limiting pile and the supporting pulling frame, the upper end of the limiting pile is provided with a guide groove, and an adjusting clamping plate is arranged in the guide groove.

Preferably, the limiting pile is in telescopic connection with the expansion plate, and the adjusting clamping plate is in sliding clamping connection with the limiting pile through the guide groove.

Preferably, the pull rod penetrates through the impact block, the supporting pull frame and the locking nut respectively, the impact block is in sliding connection with the pull rod, and the pull rod is in threaded connection with the locking nut.

Compared with the prior art, the utility model provides an inner hole type bearing dismounting tool convenient to adjust, which has the following beneficial effects:

according to the utility model, the distance between the support rod and the extension rod can be adjusted through the rotation of the connecting screw rod, so that the upper side and the lower side of the bearing can be clamped and positioned through the support rod and the extension rod, and meanwhile, the hemispheroids can extend into the gaps between the inner ring and the outer ring of the bearing, so that the proper clamping mode can be selected according to the types of the bearing, the relative position of the support rod can be conveniently adjusted through the adjusting groove, the support distance can be adjusted according to the sizes of the bearing, and the problem that a disassembling tool for the bearing is usually only suitable for bearings with one size, but in practice, multiple sizes of bearings are encountered, so that the bearing needs to be carried and the tools need to be replaced frequently in the use process, and time and labor are wasted is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the joint between the support rod and the extension rod according to the present utility model;

FIG. 3 is a schematic diagram of a connection structure between a supporting frame and a limiting pile according to the present utility model;

fig. 4 is a schematic structural view of a support pull frame after stretching a limit pile and a telescopic plate according to the present utility model.

In the figure: 1. a pull rod; 2. an impact block; 3. a grip; 4. a limiting piece; 5. a lock nut; 6. a support pull frame; 7. an adjustment tank; 8. a support rod; 9. positioning a nut; 10. an extension rod; 11. a hemisphere; 12. a connecting screw; 13. spacing piles; 14. a telescoping plate; 15. adjusting the clamping plate; 16. a guide groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an easy-to-adjust female bearing removal tool, comprising: the device comprises a pull rod 1, wherein an impact block 2 is arranged outside the pull rod 1, a grip 3 is connected above the impact block 2, a limiting piece 4 is arranged below the impact block 2, a locking nut 5 is arranged below the limiting piece 4, and a supporting pull frame 6 is arranged below the locking nut 5; the pull rod 1 penetrates through the impact block 2, the supporting pull frame 6 and the locking nut 5 respectively, the impact block 2 is in sliding connection with the pull rod 1, and the pull rod 1 is in threaded connection with the locking nut 5; the impact block 2 can slide and impact the outer side of the pull rod 1, so that the bearing can be disassembled by the impact force generated in the drawing process; the adjusting groove 7 is formed in the supporting pull frame 6, a supporting rod 8 is arranged in the adjusting groove 7, a positioning nut 9 is arranged on the outer side of the supporting rod 8, the supporting rod 8 penetrates through the supporting pull frame 6 through the adjusting groove 7, and the supporting rod 8 is symmetrically distributed about the center point of the supporting pull frame 6; the relative position of the supporting rod 8 can be conveniently adjusted through the adjusting groove 7, so that the supporting distance can be adjusted according to the size of the bearing; the supporting rod 8 penetrates through the positioning nut 9, and the positioning nut 9 is symmetrically distributed about the central line of the supporting pull frame 6; the positioning nut 9 can relatively position the support rod 8 and the support pull frame 6; an extension rod 10 is arranged at the lower end of the support rod 8, and a hemispherical body 11 is connected below the extension rod 10; a connecting screw 12 installed at the connection of the support rod 8 and the extension rod 10; the supporting rod 8 is in threaded connection with the extension rod 10 through a connecting screw rod 12, and the hemispherical body 11 is in welded connection with the extension rod 10; the supporting rod 8 can rotate through the connecting screw rod 12 to adjust the interval between the supporting rod 10 and the extending rod 10, so that the upper side and the lower side of the bearing can be clamped and positioned through the supporting rod 8 and the extending rod 10, and meanwhile, the hemispheroids 11 can extend into gaps between the inner ring and the outer ring of the bearing, so that a proper clamping mode can be selected according to the type of the bearing.

Referring to fig. 1, 3 and 4, an easy-to-adjust female bearing removal tool, comprising: the limiting pile 13 is arranged above the supporting pull frame 6, a telescopic plate 14 is arranged at the joint of the limiting pile 13 and the supporting pull frame 6, a guide groove 16 is formed in the upper end of the limiting pile 13, and an adjusting clamping plate 15 is arranged in the guide groove 16; the limiting pile 13 is in telescopic connection with the telescopic plate 14, and the adjusting clamping plate 15 is in sliding clamping connection with the limiting pile 13 through the guide groove 16; spacing stake 13 can mutually stretch out and draw back with expansion plate 14, the installation of bracing piece 8 of being convenient for, the relative position of adjusting splint 15 is convenient for be adjusted through guide slot 16 to can fix a position positioning nut 9 through adjusting splint 15, guarantee the stability of bracing piece 8.

Working principle: when the inner hole type bearing dismounting tool convenient to adjust is used, the relative position of the supporting rod 8 is adjusted conveniently through the adjusting groove 7, a proper clamping mode is selected according to the type of the bearing, the hemispheroids 11 extend into gaps between inner and outer rings of the bearing, or the supporting rod 8 is adjusted in a rotating way through the connecting screw 12 to be spaced from the extending rod 10, and then the upper side and the lower side of the bearing are clamped and positioned through the supporting rod 8 and the extending rod 10; then the locking positioning nut 9 is used for relatively positioning the supporting rod 8 and the supporting pull frame 6, the limiting pile 13 and the telescopic plate 14 are contracted mutually, the relative position of the adjusting clamping plate 15 is adjusted through the guide groove 16, and the positioning nut 9 can be positioned through the adjusting clamping plate 15, so that the stability of the supporting rod 8 is ensured; finally, the pull rod 1 is locked through the lock nut 5, so that the pull rod 1 is stably connected with the supporting pull frame 6, the impact block 2 is pulled by the handle 3 to slide and impact on the outer side of the pull rod 1, the limiting piece 4 plays a limiting role, and the bearing can be detached through impact force generated in the drawing process, so that the working principle of the inner hole type bearing detaching tool convenient to adjust is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An interior hole type bearing extracting tool convenient to adjust, characterized by comprising:

the novel impact device comprises a pull rod (1), wherein an impact block (2) is arranged outside the pull rod (1), a grip (3) is connected above the impact block (2), a limiting piece (4) is arranged below the impact block (2), a lock nut (5) is arranged below the limiting piece (4), and a supporting pull frame (6) is arranged below the lock nut (5);

the adjusting groove (7) is formed in the supporting pull frame (6), a supporting rod (8) is arranged in the adjusting groove (7), a positioning nut (9) is arranged on the outer side of the supporting rod (8), an extension rod (10) is arranged at the lower end of the supporting rod (8), and a hemispherical body (11) is connected below the extension rod (10);

and the connecting screw rod (12) is arranged at the joint of the supporting rod (8) and the extension rod (10).

2. The tool for dismounting the inner hole type bearing convenient to adjust according to claim 1, wherein the supporting rod (8) is in threaded connection with the extension rod (10) through the connecting screw rod (12), and the hemispherical body (11) is in welded connection with the extension rod (10).

3. The tool for dismounting the inner hole type bearing convenient to adjust according to claim 1, wherein the supporting rods (8) penetrate through the supporting pull frame (6) through the adjusting grooves (7), and the supporting rods (8) are symmetrically distributed about the center point of the supporting pull frame (6).

4. The tool for dismounting the inner hole type bearing convenient to adjust according to claim 1, wherein the supporting rod (8) penetrates through the positioning nut (9), and the positioning nut (9) is symmetrically distributed with respect to the center line of the supporting pull frame (6).

5. An easy-to-adjust female bearing removal tool according to claim 1, wherein the support cradle (6) is further provided with:

the limiting pile (13) is arranged above the supporting pull frame (6), a telescopic plate (14) is arranged at the joint of the limiting pile (13) and the supporting pull frame (6), a guide groove (16) is formed in the upper end of the limiting pile (13), and an adjusting clamping plate (15) is arranged in the guide groove (16).

6. The inner hole type bearing dismounting tool convenient to adjust according to claim 5, wherein the limiting pile (13) is in telescopic connection with the telescopic plate (14), and the adjusting clamping plate (15) is in sliding clamping connection with the limiting pile (13) through the guide groove (16).

7. The inner hole type bearing dismounting tool convenient to adjust according to claim 1, wherein the pull rod (1) penetrates through the impact block (2), the supporting pull frame (6) and the locking nut (5) respectively, the impact block (2) is in sliding connection with the pull rod (1), and the pull rod (1) is in threaded connection with the locking nut (5).