CN216549366U

CN216549366U - Supporting structure for increasing rigidity of hydraulic hoist

Info

Publication number: CN216549366U
Application number: CN202122598122.3U
Authority: CN
Inventors: 王练; 李小亮; 李美钗
Original assignee: Shanghai Pohu Drive System Co ltd
Current assignee: Shanghai Pohu Drive System Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-05-17
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a supporting structure for increasing the rigidity of a hydraulic hoist, which comprises: the bearing comprises a first bearing, a second bearing, a connecting sleeve, a retaining ring for a shaft, a retaining ring for a first hole and a retaining ring for a second hole, wherein the inner ring of the first bearing is a first inner ring which is arranged at one end of the connecting sleeve, the outer ring of the first bearing is a first outer ring which is arranged on a connecting disc; the inner ring of the second bearing is a second inner ring, the second inner ring is arranged at the other end of the connecting sleeve, the outer ring of the second bearing is a second outer ring, the second outer ring is arranged on the end cover, and the connecting disc is connected with the end cover through bolts to form a connecting part; the connecting sleeve is a long shaft, and the first bearing and the second bearing support the connecting sleeve. The hydraulic hoist is additionally provided with the supporting structure on the existing hydraulic hoist structure, the influence of radial force is eliminated in operation, torque is stably transmitted, the transmission stability can be effectively improved, the noise is reduced, the use reliability is improved, and the service life is prolonged.

Description

Supporting structure for increasing rigidity of hydraulic hoist

Technical Field

The utility model relates to the technical field of hydraulic hoists, in particular to a supporting structure for increasing the rigidity of a hydraulic hoist.

Background

The hydraulic electric hoist is a hoisting device, is installed on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, wharfs and the like.

The hydraulic hoist as hoisting equipment has the advantages of good explosion-proof performance, strong bearing capacity, small volume and rapid and reliable braking. Is widely applied to the coal mine industry. The existing transmission shaft of the hydraulic hoist structure has long cantilever, unstable running speed and high noise, and can influence the long-term reliable work of a rotating part, thereby shortening the service life of the hydraulic hoist.

Disclosure of Invention

The present invention aims to provide a supporting structure for increasing the rigidity of a hydraulic hoist, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a support structure for increasing the stiffness of a hydraulic block, comprising: the bearing comprises a first bearing, a second bearing, a connecting sleeve, a retaining ring for a shaft, a retaining ring for a first hole and a retaining ring for a second hole, wherein the inner ring of the first bearing is a first inner ring which is arranged at one end of the connecting sleeve, the outer ring of the first bearing is a first outer ring which is arranged on a connecting disc; the inner ring of the second bearing is a second inner ring, the second inner ring is arranged at the other end of the connecting sleeve, the outer ring of the second bearing is a second outer ring, the second outer ring is arranged on the end cover, and the connecting disc is connected with the end cover through bolts to form a connecting part; the connecting sleeve is a long shaft, and the first bearing and the second bearing support the connecting sleeve.

As a further scheme of the utility model: the first bearing and the second bearing are both rolling bearings.

As a further scheme of the utility model: the inner hole of the connecting disc is used for supporting a first bearing and fixing a first outer ring; and the inner hole of the end cover is used for supporting the second bearing and fixing the second outer ring.

As a further scheme of the utility model: the shaft retainer ring is arranged on the connecting sleeve and used for fixing the axial position of the first inner ring; the first hole retainer ring is arranged in the inner hole of the connecting disc and used for fixing the axial position of the first outer ring; the second hole is mounted in the end cover inner hole through a retainer ring and used for fixing the axial position of the second bearing.

As a further scheme of the utility model: one end of the connecting sleeve is a flat key end A, the other end of the connecting sleeve is a spline end B, the flat key end A is connected with an output shaft of a cycloid motor of the hydraulic hoist, and the spline end B is connected with an input shaft of a speed reducer of the hydraulic hoist.

Compared with the prior art, the utility model has the beneficial effects that: the hydraulic hoist is additionally provided with the supporting structure on the existing hydraulic hoist structure, the influence of radial force is eliminated in operation, torque is stably transmitted, the transmission stability can be effectively improved, the noise is reduced, the use reliability is improved, and the service life is prolonged.

Drawings

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

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the connecting sleeve of the present invention.

In the figure, 1, a first bearing; 2. connecting sleeves; 3. a connecting disc; 4. a retainer ring for a shaft; 5. a first hole retainer ring; 6. a second bearing; 7. An end cap; 8. a retainer ring for the second hole; 9. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a support structure for increasing rigidity of a hydraulic hoist includes: the bearing comprises a first bearing 1, a second bearing 6 and a connecting sleeve 2, wherein the inner ring of the first bearing 1 is a first inner ring 1b, the first inner ring 1b is arranged at one end of the connecting sleeve 2, the outer ring of the first bearing 1 is a first outer ring 1a, the first outer ring 1a is arranged on a connecting disc 3, and the inner hole of the connecting disc 3 is used for supporting the first bearing 1 and fixing the outer ring 1a of the first bearing 1; the shaft retainer ring 4 is arranged on the connecting sleeve 2 and used for fixing the axial position of the first inner ring 1 b; the hole retainer ring 5 is installed in the inner hole of the connecting disc 3 to fix the axial position of the first outer ring 1 a.

The inner ring of the second bearing 6 is a second inner ring 6b, the second inner ring 6b is arranged at the other end of the connecting sleeve 2, the outer ring of the second bearing 6 is a second outer ring 6a, the second outer ring 6a is arranged on an end cover 7, the inner hole of the end cover 7 is used for supporting the first bearing 1 and fixing the outer ring 1a of the first bearing 1; a hole retainer ring 8 is arranged in an inner hole of the end cover 7 and used for fixing the axial position of the second bearing 6; the connecting disc 3 is connected with the end cover 7 through a bolt 9 to form a connecting part; the connecting sleeve 2 is a long shaft, and the connecting sleeve 2 is supported by the first bearing 1 and the second bearing 6.

One end of the connecting sleeve 2 is a flat key end A, the other end of the connecting sleeve is a spline end B, the flat key end A is connected with an output shaft of a cycloid motor of the hydraulic hoist, the spline end B is connected with an input shaft of a speed reducer of the hydraulic hoist, the connecting sleeve 2 can be prevented from being bent by radial force in the operation process, the influence of the radial force is eliminated in operation, and torque is stably transmitted.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A support structure for increasing the stiffness of a hydraulic block, comprising: first bearing (1), second bearing (6), adapter sleeve (2), for the shaft retaining ring (4), first hole retaining ring (5) and second hole retaining ring (8), its characterized in that: the inner ring of the first bearing (1) is a first inner ring (1 b), the first inner ring (1 b) is installed at one end of the connecting sleeve (2), the outer ring of the first bearing (1) is a first outer ring (1a), and the first outer ring (1a) is installed on the connecting disc (3); the inner ring of the second bearing (6) is a second inner ring (6 b), the second inner ring (6 b) is installed at the other end of the connecting sleeve (2), the outer ring of the second bearing (6) is a second outer ring (6a), the second outer ring (6a) is installed on the end cover (7), and the connecting disc (3) is connected with the end cover (7) through a bolt (9) to form a connecting part; the connecting sleeve (2) is a long shaft, and the first bearing (1) and the second bearing (6) support the connecting sleeve (2).

2. The support structure for increasing the rigidity of the hydraulic hoist as claimed in claim 1, wherein: the first bearing (1) and the second bearing (6) are both rolling bearings.

3. The support structure for increasing the rigidity of the hydraulic hoist as claimed in claim 2, wherein: the inner hole of the connecting disc (3) is used for supporting the first bearing (1) and fixing the first outer ring (1 a); and the inner hole of the end cover (7) is used for supporting the second bearing (6) and fixing the second outer ring (6 a).

4. A support structure for increasing the rigidity of a hydraulic block as claimed in claim 3, wherein: the shaft retainer ring (4) is arranged on the connecting sleeve (2) and used for fixing the axial position of the first inner ring (1 b); the first hole retainer ring (5) is arranged in an inner hole of the connecting disc (3) and fixes the axial position of the first outer ring (1 a); and the second hole retainer ring (8) is arranged in an inner hole of the end cover (7) and is used for fixing the axial position of the second bearing (6).

5. The support structure for increasing the rigidity of the hydraulic hoist as claimed in claim 1, wherein: one end of the connecting sleeve (2) is a flat key end A, the other end of the connecting sleeve is a spline end B, the flat key end A is connected with a cycloid motor output shaft of the hydraulic hoist, and the spline end B is connected with a speed reducer input shaft of the hydraulic hoist.