Damage-proof structure of vertical gearbox

Abstract

The utility model discloses a vertical gearbox anti-damage structure which comprises a box body and a gear shaft, the gear shaft is longitudinally arranged in the box body, a gear is arranged outside the gear shaft in a sleeved mode, the top of the gear shaft is installed on the box body in a rotating mode through a bearing, and the vertical gearbox anti-damage structure further comprises a baffle ring and a distance ring. The gear shaft is installed on the box body, the bearing is installed on the gear shaft, the distance ring is arranged outside the gear shaft in a sleeving mode and located between the gear and the bearing, the baffle ring is installed on the box body and located under the bearing, and the baffle ring is arranged outside the distance ring in a sleeving mode and used for preventing a damaged part of the bearing from falling off. When the bearing is damaged, a damaged part of the bearing falls to the surface of the baffle ring under the blocking action of the baffle ring, so that the damaged part of the bearing is effectively prevented from falling to a gear meshing position below, a gear pair is prevented from being damaged, the maintenance time is greatly shortened, the maintenance efficiency is improved, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to an anti-damage structure of a vertical gear box. Background Art

[0002] During the use of the traditional vertical combined gearbox structure, if the bearing is damaged by abnormal external force, the retaining frame and its fragments in the bearing will fall directly into the gearbox, which can easily damage the gear pair below, resulting in a lot of time to repair the gear pair below, which increases the maintenance time and cost. Summary of the invention

[0003] In view of the above problems existing in the existing vertical combined gearbox, the present invention aims to provide a vertical gearbox anti-damage structure which can reduce maintenance time, improve maintenance efficiency and reduce maintenance cost.

[0004] The specific technical solutions are as follows:

[0005] A vertical gear box anti-damage structure includes a box body and a gear shaft, the gear shaft is longitudinally arranged in the box body, the outer sleeve of the gear shaft is provided with a gear, the top of the gear shaft is rotatably mounted on the box body through a bearing, and also includes: a retaining ring and a distance ring, the distance ring is sleeved on the outside of the gear shaft and located between the gear and the bearing, the retaining ring is installed on the box body and is located directly below the bearing, and the retaining ring is sleeved on the outside of the distance ring to prevent damaged parts of the bearing from falling.

[0006] As a further improvement and optimization of this solution, the top of the box body is provided with a bearing seat, and the top of the gear shaft is mounted on the bearing seat through the bearing.

[0007] As a further improvement and optimization of this solution, the bottom of the bearing seat is provided with a boss, the middle ring of the boss is provided with an annular groove, and the retaining ring is arranged in the annular groove.

[0008] As a further improvement and optimization of this solution, the top of the bearing seat is provided with a mounting groove, the bottom of the mounting groove is provided with a mounting hole connected to the housing, the top of the gear shaft extends into the mounting groove through the mounting hole, and the shaft sleeve is installed in the mounting groove and sleeved on the outside of the gear shaft.

[0009] As a further improvement and optimization of the present solution, one end of the distance ring passes through the mounting hole and contacts with the bottom limit of the bearing, and the other end contacts with the top limit of the gear.

[0010] As a further improvement and optimization of this solution, a bearing sleeve is further provided between the mounting groove and the bearing.

[0011] As a further improvement and optimization of the present solution, a blind cover is detachably mounted at the notch of the mounting groove, and the bottom of the blind cover is limitedly matched with the top of the bearing sleeve.

[0012] As a further improvement and optimization of the present solution, a shaft end pressure plate is detachably mounted on the top end of the gear shaft, and the bottom of the shaft end pressure plate is limitedly matched with the top of the bearing.

[0013] As a further improvement and optimization of this solution, the blind cover and the bearing seat, as well as the shaft end pressure plate and the gear shaft are fixed by bolts.

[0014] Compared with the prior art, the above technical solution has the following positive effects:

[0015] When the bearing is damaged, the broken parts of the bearing fall to the surface of the retaining ring under the blocking effect of the retaining ring, which effectively prevents the broken parts of the bearing from falling to the meshing part of the gear below and damaging the gear pair, greatly reducing the maintenance time, improving the maintenance efficiency and reducing the maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a vertical gearbox anti-damage structure of the utility model;

[0017] In the attached drawings: 1. housing; 2. gear shaft; 3. gear; 4. bearing; 5. bearing sleeve; 6. distance ring; 7. retaining ring; 8. shaft end pressure plate; 9. blind cover; 11. bearing seat; 111. boss; 112. mounting groove. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Figure 1 This is a schematic diagram of the structure of a vertical gearbox anti-damage structure of the utility model, such as Figure 1 As shown, a vertical gear box anti-damage structure of a preferred embodiment is shown, including a box body 1 and a gear shaft 2, the gear shaft 2 is longitudinally arranged in the box body 1, the outer part of the gear shaft 2 is sleeved with a gear 3, and the top of the gear shaft 2 is rotatably mounted on the box body 1 through a bearing 4, and also includes: a retaining ring 7 and a distance ring 6, the distance ring 6 is sleeved on the outside of the gear shaft 2 and located between the gear 3 and the bearing 4, the retaining ring 7 is installed on the box body 1 and is located directly below the bearing 4, and the retaining ring 7 is sleeved on the outside of the distance ring 6 to prevent the damaged parts of the bearing 4 from falling.

[0022] In this embodiment, when the bearing 4 is damaged, the damaged parts of the bearing 4 fall to the surface of the retaining ring 7 under the blocking effect of the retaining ring 7, which effectively prevents the damaged parts of the bearing 4 from falling to the meshing part of the gear 3 below and causing damage to the gear pair, thereby greatly reducing maintenance time, improving maintenance efficiency and reducing maintenance costs.

[0023] Furthermore, as a preferred embodiment, the top of the housing 1 has a bearing seat 11 , and the top of the gear shaft 2 is mounted on the bearing seat 11 through the bearing 4 .

[0024] Furthermore, as a preferred embodiment, the bottom of the bearing seat 11 has a boss 111, the middle ring of the boss 111 is provided with an annular groove, and the retaining ring 7 is arranged in the annular groove.

[0025] Furthermore, as a preferred embodiment, the top of the bearing seat 11 has a mounting groove 112, the bottom of the mounting groove 112 is provided with a mounting hole connected to the housing 1, the top of the gear shaft 2 extends into the mounting groove 112 through the mounting hole, and the sleeve is installed in the mounting groove 112 and is sleeved on the outside of the gear shaft 2.

[0026] Furthermore, as a preferred embodiment, one end of the distance ring 6 passes through the mounting hole and contacts the bottom limit of the bearing 4 , and the other end contacts the top limit of the gear 3 .

[0027] Furthermore, as a preferred embodiment, a bearing sleeve 5 is provided between the mounting groove 112 and the bearing 4 .

[0028] Furthermore, as a preferred embodiment, a cover 9 is detachably mounted at the slot of the mounting slot 112 , and the bottom of the cover 9 is limitedly matched with the top of the bearing sleeve 5 .

[0029] Furthermore, as a preferred embodiment, a shaft end pressure plate 8 is detachably mounted on the top end of the gear shaft 2 , and the bottom of the shaft end pressure plate 8 is limitedly matched with the top of the bearing 4 .

[0030] Furthermore, as a preferred embodiment, the cover 9 and the bearing seat 11, and the shaft end pressure plate 8 and the gear shaft 2 are fixed by bolts.

[0031] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A vertical gearbox anti-damage structure, comprising a box body and a gear shaft, wherein the gear shaft is longitudinally arranged in the box body, a gear is sleeved on the outside of the gear shaft, and the top of the gear shaft is rotatably mounted on the box body through a bearing, characterized in that: Also includes: A retaining ring and a distance ring, wherein the distance ring is sleeved on the outside of the gear shaft and is located between the gear and the bearing, the retaining ring is installed on the housing and is located directly below the bearing, and the retaining ring is sleeved on the outside of the distance ring to prevent damaged parts of the bearing from falling.

2. The vertical gearbox anti-damage structure according to claim 1, characterized in that: The top of the box body is provided with a bearing seat, and the top of the gear shaft is mounted on the bearing seat through the bearing.

3. The vertical gearbox anti-damage structure according to claim 2 is characterized in that: The bottom of the bearing seat is provided with a boss, the middle ring of the boss is provided with a ring groove, and the retaining ring is arranged in the ring groove.

4. The vertical gearbox anti-damage structure according to claim 2, characterized in that: The top of the bearing seat is provided with a mounting groove, the bottom of the mounting groove is provided with a mounting hole connected to the box body, the top of the gear shaft extends into the mounting groove through the mounting hole, and the shaft sleeve is installed in the mounting groove and sleeved on the outside of the gear shaft.

5. The vertical gearbox anti-damage structure according to claim 4 is characterized in that: One end of the distance ring passes through the mounting hole and contacts with the bottom limit of the bearing, and the other end contacts with the top limit of the gear.

6. The vertical gearbox anti-damage structure according to claim 5, characterized in that: A bearing sleeve is also provided between the mounting groove and the bearing.

7. The vertical gearbox anti-damage structure according to claim 6, characterized in that: A blind cover is detachably mounted at the notch of the mounting slot, and the bottom of the blind cover is limitedly matched with the top of the bearing sleeve.

8. The vertical gearbox anti-damage structure according to claim 7, characterized in that: A shaft end pressure plate is detachably mounted on the top end of the gear shaft, and the bottom of the shaft end pressure plate is limitedly matched with the top of the bearing.

9. The vertical gearbox anti-damage structure according to claim 8, characterized in that: The blind cover and the bearing seat, as well as the shaft end pressure plate and the gear shaft are fixed by bolts.

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