CN212044509U - A vibration exciter bearing installation tool - Google Patents

Abstract

The utility model provides a vibration exciter bearing installation tool, which comprises a box bearing seat, a bearing, a first vibration exciter shaft, a gear and a sleeve; the bearings and the sleeve are respectively provided with a plurality of them, and the bearing is installed On the box bearing seat, the bearing is sleeved on the outer wall of the sleeve, the sleeve is sleeved on the outer wall of the first exciter shaft, and the gear is sleeved on the outer wall of the first exciter shaft The lower end of the sleeve is provided with a second thread, the diameter of the second thread is smaller than the diameter of the sleeve, the second thread is threadedly connected with a moving ring, and the sleeve is sleeved on the first thread The sleeve and the first exciter shaft are fixed by rotating the moving ring on the exciter shaft, and the bearing is heat-fitted on the sleeve. The bearing of the utility model is installed on the sleeve, and the bearing is further fixed by the fixing ring, so as to prevent the movement between the bearing and the shaft of the exciter and cause the damage of the bearing.

Description

A vibration exciter bearing installation tool

technical field

The utility model belongs to the technical field of vibration exciters, in particular to a vibration exciter bearing installation tool.

Background technique

The existing assembly conditions are due to the gravity of the bearing itself. When the upper bearing is installed, after the inner ring of the upper bearing is limited by the gasket, the outer ring of the bearing will be affected by gravity. The weight will press down the lower bearing clearance, and when the entire box is cooled, the shaft needs to be reciprocated and pulled to make the shaft and the inner ring move relative to each other to eliminate the stress during bearing assembly. However, due to the large interference of the outer ring of the bearing, heating and Due to factors such as cooling, the reciprocating movement of the bearing inner ring and the shaft will be difficult, especially when the surface finish of the shaft is poor. Seriously affect the life of the bearing.

Utility model content

In view of this, the present utility model aims to provide a vibration exciter bearing installation tool, so as to solve the problems that the bearing cannot be normally installed in place and the inner ring and outer ring of the bearing are not uniformly stressed.

In order to achieve the above object, the technical scheme of the present utility model is achieved in this way:

A vibration exciter bearing installation tool, comprising a box bearing seat, a bearing, a first vibration exciter shaft, a gear, and a sleeve;

There are a plurality of the bearings and the sleeve respectively, the bearing is installed on the bearing seat of the box body, the bearing is sleeved on the outer wall of the sleeve, and the sleeve is sleeved on the outer wall of the first exciter shaft , the gear is sleeved on the outer wall of the first exciter shaft, and is located between the two bearings;

The lower end of the sleeve is provided with a second thread, the diameter of the second thread is smaller than the diameter of the sleeve, a moving ring is threadedly connected to the second thread, and the sleeve is sleeved on the first exciter shaft by rotating the moving ring , the sleeve is fixed with the first exciter shaft, and the bearing is heat-fitted on the sleeve.

Further, the housing bearing seat is provided with two semi-circular bearing mounting grooves, each bearing mounting groove is provided with a semi-circular gear mounting groove, the two gear mounting grooves communicate with each other, and the gears are mounted on the In the two gear installation grooves, the two gears engage with each other, the diameter of the gear installation groove is larger than the diameter of the bearing installation groove, the gear installation groove is located in the middle of the bearing installation groove, and two bearings are installed in each bearing installation groove, The upper bearing is installed in one end of the bearing installation groove, and the lower bearing is installed at the other end. The gear is located between the upper bearing and the lower bearing. The first exciter shaft is installed in one bearing installation groove, and the other is installed in the bearing installation groove. There is a second exciter shaft, two gears are respectively sleeved on the first exciter shaft and the second exciter shaft, and the first exciter shaft and the second exciter shaft are respectively sleeved with two Sleeve, two sleeves are located at both ends of the gear, the sleeve is fixed on the first exciter shaft and the second exciter shaft by rotating the moving ring, the bearing is sleeved on the sleeve, the inner ring at one end of the bearing is Fitted to the front of the moving ring.

Further, a gasket and a fixing ring are installed on the sleeve, a first thread is provided at one end of the sleeve away from the second thread, the gasket passes through the sleeve, and the fixing ring and the sleeve are connected. Threaded connection, one end of the gasket is closely attached to the other end of the bearing, the fixed ring is pressed against the gasket, the sleeve is also provided with a locking opening, and the rotating locking opening of the moving ring becomes smaller.

Further, an upper end cover and a lower end cover are installed on the outer wall of the bearing seat of the box body. The first exciter shaft and the second exciter shaft pass through each of the lower end cover and the upper end cover, respectively.

Compared with the prior art, the vibration exciter bearing installation tool of the present invention has the following advantages:

(1) The bearing of the utility model is installed on the sleeve, and the bearing is further fixed by the fixing ring, so as to prevent the movement between the bearing and the shaft of the exciter and cause the damage of the bearing.

(2) The inner and outer rings of the bearing described in the present utility model advance and retreat simultaneously, and the rollers are not stressed under any circumstances, and the bearing is protected during assembly.

Description of drawings

The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a structural diagram of a vibration exciter bearing installation tooling according to an embodiment of the present utility model;

FIG. 2 is a structural diagram of the sleeve according to the embodiment of the utility model.

Description of reference numbers:

1-lower end cover; 2-box bearing seat; 3-lower bearing; 4-gear; 5-sleeve; 6-upper end cover; 7-first exciter shaft; 8-fixing ring; 9-washer; 10-moving ring; 11-second exciter shaft; 12-upper bearing; 51-first thread; 52-locking port; 53-second thread.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility. The novel and simplified description does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figures 1 to 2, a vibration exciter bearing installation tool includes a box bearing seat 2, a bearing, a first exciter shaft 7, a gear 4, and a sleeve 5;

There are a plurality of the bearings and the sleeves 5 respectively, the bearings are installed on the box bearing seat 2, the bearings are sleeved on the outer wall of the sleeve 5, and the sleeves 5 are sleeved on the first vibration excitation On the outer wall of the exciter shaft 7, the gear 4 is sleeved on the outer wall of the first exciter shaft 7, and is located between the two bearings;

The lower end of the sleeve 5 is provided with a second thread 53, the diameter of the second thread 53 is smaller than the diameter of the sleeve 5, the second thread 53 is threadedly connected with the moving ring 10, and the sleeve 5 is sleeved on the first excitation The sleeve 5 and the first exciter shaft 7 are fixed by rotating the moving ring 10 on the exciter shaft 7 , and the bearing is shrink-fitted on the sleeve 5 .

The box bearing seat 2 is provided with two semi-circular bearing mounting grooves, each bearing mounting groove is provided with a semi-circular gear mounting groove, the two gear mounting grooves communicate with each other, and the gear 4 is mounted on the two gear mounting grooves. In each gear installation groove, the two gears 4 mesh with each other. The diameter of the gear installation groove is larger than the diameter of the bearing installation groove. The gear installation groove is located in the middle of the bearing installation groove, and each bearing installation groove is installed with two bearings. The upper bearing 12 is installed in one end of the bearing installation groove, and the lower bearing 3 is installed at the other end. The gear 4 is located between the upper bearing 12 and the lower bearing 3. The first exciter shaft 7 is installed in one bearing installation groove, and the other is installed in the bearing installation groove. A second exciter shaft 11 is installed in a bearing installation groove, and the two gears 4 are respectively sleeved on the first exciter shaft 7 and the second exciter shaft 11. The exciter shaft 11 is respectively sleeved with two sleeves 5, and the two sleeves 5 are located at both ends of the gear 4. The sleeve 5 is fixed on the first exciter shaft 7 and the second exciter by rotating the moving ring 10. On the shaft 11 , the bearing is sleeved on the sleeve 5 , and the inner ring at one end of the bearing is attached to the front surface of the moving ring 10 .

A gasket 9 and a fixing ring 8 are also installed on the sleeve 5. A first thread 51 is provided at one end of the sleeve 5 away from the second thread 53. The ring 8 is threadedly connected with the sleeve 5, one end of the gasket 9 is closely attached to the other end of the bearing, the fixing ring 8 is pressed against the gasket 9, and the sleeve 5 is also provided with a locking port 52, The rotation locking opening 52 of the moving ring 10 becomes smaller.

An upper end cover 6 and a lower end cover 1 are installed on the outer wall of the box bearing seat 2. The lower end cover 1 and the upper end cover 6 are respectively provided with two, and each of the lower end cover 1 and the upper end cover 6 are respectively located in two bearing installation grooves. The two ends of the first exciter shaft 7 and the second exciter shaft 11 penetrate through each of the lower end cover 1 and the upper end cover 6 respectively.

The specific installation method is as follows:

First, heat the box. When the temperature required for assembly is reached, install the sleeve 5 and the lower bearing 3. The bearing is sleeved on the outside of the sleeve 5. After fixing, the bearing installation is completed, and continue to install the lower end cover 1 (the box is placed upright at this time); the box is put down, and the gear 4 is put into the box from the end cover above the box; the lower bearing 3, the lower end cover 1. The gear 4 enters the heating furnace with the box for heating, and the shaft is placed in an industrial freezer for freezing. When the two parts reach the assembly condition, take them out, install the shaft in place, and then install the upper bearing 12. The installation process is as above, then let it cool down and heat it all up After all the subsequent parts are cooled, replace the installation end cover and continue to install the exciter.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (4)

1. The utility model provides a vibration exciter bearing installation frock which characterized in that: comprises a box body bearing seat (2), a bearing, a first vibration exciter shaft (7), a gear (4) and a sleeve (5);

the bearing and the sleeve (5) are respectively provided with a plurality of bearings, the bearings are installed on the box body bearing seat (2), the bearings are sleeved on the outer wall of the sleeve (5), the sleeve (5) is sleeved on the outer wall of the first vibration exciter shaft (7), and the gear (4) is sleeved on the outer wall of the first vibration exciter shaft (7) and located between the two bearings;

the vibration exciter is characterized in that a second thread (53) is arranged at the lower end of the sleeve (5), the diameter of the second thread (53) is smaller than that of the sleeve (5), a moving ring (10) is connected to the second thread (53) in a threaded mode, the sleeve (5) is connected to the first vibration exciter shaft (7) in a sleeved mode, and the sleeve (5) and the first vibration exciter shaft (7) are fixed through the rotating moving ring (10).

2. The vibration exciter bearing mounting tool according to claim 1, wherein: two semicircular ring type bearing mounting grooves are arranged in the bearing seat (2) of the box body, a semicircular ring type gear mounting groove is arranged in each bearing mounting groove, the two gear mounting grooves are communicated, the gears (4) are mounted in the two gear mounting grooves and are meshed with each other, the diameter of each gear mounting groove is larger than that of each bearing mounting groove, the gear mounting grooves are positioned in the middle of the bearing mounting grooves, two bearings are mounted in each bearing mounting groove, an upper bearing (12) is mounted at one end in each bearing mounting groove, a lower bearing (3) is mounted at the other end of each bearing mounting groove, the gears (4) are positioned between the upper bearing (12) and the lower bearing (3), the first vibration exciter shaft (7) is mounted in one bearing mounting groove, the second vibration exciter shaft (11) is mounted in the other bearing mounting groove, the two gears (4) are respectively sleeved on the first vibration exciter shaft (7, two sleeves (5) are respectively sleeved on the first vibration exciter shaft (7) and the second vibration exciter shaft (11), the two sleeves (5) are positioned at two ends of the gear (4), the sleeves (5) are fixed on the first vibration exciter shaft (7) and the second vibration exciter shaft (11) through the rotary moving ring (10), the bearing is sleeved on the sleeves (5), and the inner ring at one end of the bearing is attached to the front face of the moving ring (10).

3. The vibration exciter bearing mounting tool according to claim 1, wherein: still install gasket (9), solid fixed ring (8) on sleeve (5), second screw thread (53) one end is kept away from in sleeve (5) is equipped with first screw thread (51), gasket (9) run through sleeve (5) on last, gu fixed ring (8) carry out threaded connection with sleeve (5), gasket (9) one end is closely laminated in the other end of bearing, gu fixed ring (8) push up tight gasket (9), still be equipped with locking mouth (52) on sleeve (5), removal ring (10) rotatory locking mouth (52) diminish.

4. The vibration exciter bearing mounting tool according to claim 3, wherein: install upper end cover (6), lower end cover (1) on box bearing frame (2) outer wall, lower end cover (1), upper end cover (6) are equipped with two respectively, and every lower end cover (1), upper end cover (6) are located the both ends of two bearing mounting grooves respectively, first vibration exciter axle (7), second vibration exciter axle (11) run through every lower end cover (1), upper end cover (6) respectively.

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