CN210487267U

CN210487267U - Push-pull type protection device for high-speed running-in test of main bearing

Info

Publication number: CN210487267U
Application number: CN201921499673.0U
Authority: CN
Inventors: 范东林; 李涌泉; 李玉雪; 吕先听
Original assignee: State-Owned Luoyang Dancheng Radio Factory
Current assignee: State-Owned Luoyang Dancheng Radio Factory
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-05-08
Anticipated expiration: 2029-09-10

Abstract

A push-pull type protection device for a high-speed running-in test of a main bearing comprises a horizontal guide rail assembly, a left PC side plate, a right PC side plate, clamping strips, a front PC plate and oblique supports, wherein the two parallel guide rail strips are connected to the left side and the right side of the top of a running-in table box body, the left PC side plate and the right PC side plate in a right-angle ladder shape are respectively clamped in the clamping strips connected with the upper end and the lower end of the left side and the right side of the running-in table box body and are fixed up and down, the oblique supports with the same inclination as the left PC side plate and the right PC side plate in the right-angle ladder shape are respectively fixed on the left side and the right side of the front upper end of the running-in table box body, sockets are respectively arranged at the lower ends of the left side and the right side of the running-in table box body, quick bolts can be inserted into the sockets, the original running-in device is connected onto a working platform in the running-in table box body, and the main bearing.

Description

Push-pull type protection device for high-speed running-in test of main bearing

Technical Field

The utility model belongs to the technical field of high-speed running-in platform test device, especially, a plug-type protection device for base bearing high-speed running-in is experimental.

Background

In the aircraft product repair, a high-speed running-in test needs to be carried out on the main bearing, and the rotating speed of the main bearing during the high-speed running-in test is about 8000 r/min.

At present, the running-in test bed is of a semi-closed structure, the top height of the running-in test bed reaches 1700mm, the left and right sides of the running-in test bed are narrow in space, the front end of the running-in test bed is opened so as to observe the working state of the main bearing during high-speed running, and the risk of safety accidents caused by the fact that the main bearing flies out due to installation errors exists.

Disclosure of Invention

In order to solve the problem, the utility model designs a plug-type protection device for the high-speed running-in test of base bearing, this plug-type protection device can swiftly operate and do not influence observation operating condition again to can ensure operating personnel's personal safety, simple structure is practical.

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

the utility model provides a plug-type protection device for base bearing high speed running-in test, this plug-type protection device contain horizontal guide subassembly, left PC curb plate, right PC curb plate, card strip, preceding PC board and bearing diagonal, characterized by:

the horizontal guide rail component comprises a rear stop block, a guide rail bar, a matched slide block, a front stop block, a hinge, a handle and a seat board;

two parallel guide rails are connected to the left side and the right side of the top of the running-in table box body, a left PC side plate and a right PC side plate in a right-angle ladder shape are respectively clamped in clamping strips connected with the upper end and the lower end of the left side and the right side of the running-in table box body and are fixed up and down, inclined supports with the same inclination as the left PC side plate and the right PC side plate in the right-angle ladder shape are respectively fixed on the left side and the right side of the front upper end of the running-in table box body, a plurality of sockets are respectively arranged at the lower ends of the left side and the right side of the running-in table box body, a quick plug can be;

the front end and the rear end of two parallel guide rails connected to the left side and the right side of the top of a running-in table box body are respectively connected with a rear stop block and a front stop block which can move and adjust back and forth along each guide rail, a groove of each guide rail is connected with a movable matched slide block, two groups of matched slide blocks are respectively connected with the left end and the right end of a seat plate, the front end of the seat plate is respectively connected with a plurality of hinges and then connected with a front PC plate through the hinges, the length of the front PC plate is greater than that of the inclined plane of a left PC side plate or a right PC side plate, the length of the inclined plane of the left PC side plate is equal to that of the inclined plane of the right PC side plate, the lower end of the front PC plate, namely the free end;

the lower end, namely the left side and the right side of the free end, of the front PC board are respectively connected with a closing pin, one end of each steel wire rope is connected to each closing pin, the other end of each steel wire rope is connected with a fast plug pin, and when the front PC board is in a main bearing running-in state, namely a closing state, the front PC board is inserted into a socket through the fast plug pins to realize personal safety protection of operators.

Due to the adoption of the technical scheme, the utility model discloses produce following beneficial effect:

1. from the field usage effect, the utility model discloses a plug-type protection device has the characteristics of safe, convenient, swift operation, has guaranteed operating personnel's work security well because plug-type protection device's reliability, has satisfied the requirement that the base bearing changed the dress base bearing fast when the safe handling requirement of base bearing when running-in state and non-running-in state.

2. The utility model discloses an its simple structure of plug-type protection device, convenient to use can clearly and definitely observe the working condition of base bearing when running-in state through transparent left PC curb plate, right PC curb plate and preceding PC board, requires to have certain promotion effect to the running-in that improves the base bearing.

Drawings

Fig. 1 is a schematic diagram of the structure of the utility model in the running-in state;

FIG. 2 is a schematic block diagram of the structure of a horizontal rail assembly;

fig. 3 is a schematic diagram of the structure of the utility model in a non-running state;

FIG. 4 is a schematic diagram of the construction of a quick release latch;

in the above figures: 1-running-in table box body; 2-a horizontal guide rail assembly; 3-left PC side panel; 4-a socket; 5-original running-in device; 6-right PC side panel; 7-clamping strips; 8-front PC board; 9-inclined support; 10-a rear stop block; 11-a guide rail bar; 12-a slide block; 13-a front stop block; 14-a hinge; 15-a handle; 16-a seat plate; 17-quick bolt.

Detailed Description

The utility model relates to a plug-type protection device for base bearing high speed running-in test, the utility model discloses do not change former running-in device's structure, only carried out local improvement to running-in platform box structure, improved and then configured corresponding plug-type protection device through the local of running-in platform box structure.

Combine fig. 1, the utility model discloses a plug-type protection device contains horizontal guide rail subassembly 2, left PC curb plate 3, right PC curb plate 6, card strip 7, preceding PC board 8 and bearing diagonal 9, wherein the former running-in device 5 of hookup on the work platform in the running-in platform box 1, is provided with socket 4 respectively at the lower extreme of the 1 left and right sides of running-in platform box.

Referring to fig. 2-4, the horizontal rail assembly 2 includes a rear stopper 10, a rail bar 11, a mating slider 12, a front stopper 13, a hinge 14, a handle 15, and a seat plate 16, wherein a plurality of sockets 4 can be respectively inserted with a quick plug 17.

The utility model discloses an its structure hookup mode of plug-type protection device refers to technical scheme does not give unnecessary details.

During operation, the handle 15 is pulled to enable the front PC board 8 to slide downwards along the two parallel guide rail strips 11 at the top end of the running-in table box body 1, the front PC board 8 is pressed on the inclined support 9 along with the rotation of the hinge 14 through the limiting of the two front stop blocks 13, the closed state position of the front PC board 8 pressed on the inclined support 9 is the main bearing running-in state position, and then the quick plug 17 is inserted into the socket 4 to achieve personal safety protection of an operator. Conversely, the front PC board 8 can slide upwards by pulling out the fast plug 17 from the socket 4, and the front PC board 8 can turn over along with the rotation of the hinge 14 through the limit of the two rear stoppers 10, so that the main bearing can be taken out and mounted again conveniently.

Since the length of the slope of the left PC side plate 3 is equal to the length of the slope of the right PC side plate 6, and the lengths of the slopes of the two diagonal braces 9 are equal, it is suggested that the length of the front PC plate 8 is slightly greater than the length of the slope of the left PC side plate 3 + the length of the slope of the diagonal brace 9 or the length of the slope of the right PC side plate 6 + the length of the slope of the diagonal brace 9, which is not contradictory to the length of the front PC plate 8 greater than the length of the slope of the left PC side plate 3 or the right PC side plate 6, so that the front PC plate 8 can completely shield the main bearing installed on the original running-in device 5 at the lowest position of the.

In addition, the quick bolt 17 is designed as an aviation special bolt, and two steel balls symmetrically arranged at the lower end can stretch along the radial hole of the quick bolt by pulling or compressing a mandrel in the quick bolt, so that the quick bolt is limited or separated.

The steel wire rope is used and the front PC board 8 and the running-in table box body 1 are quickly and integrally connected through the quick bolt 17, so that the phenomenon that the main bearing suddenly flies out when rotating at a high speed can be effectively prevented, unnecessary personal injury to operators is avoided, the main bearing is just the beneficial part of the structural improvement of the push-pull type protection device, and the generated positive effect is obvious to the field.

Claims

1. The utility model provides a plug-type protection device for base bearing high speed running-in test, this plug-type protection device contain horizontal guide rail subassembly (2), left PC curb plate (3), right PC curb plate (6), card strip (7), preceding PC board (8) and bearing diagonal (9), characterized by:

the horizontal guide rail component (2) comprises a rear stop block (10), a guide rail strip (11), a matched slide block (12), a front stop block (13), a hinge (14), a handle (15) and a seat plate (16);

two parallel guide rail bars (11) are connected to the left side and the right side of the top of the running-in table box body (1), a left PC side plate (3) and a right PC side plate (6) in a right-angle ladder shape are respectively clamped in clamping bars (7) connected with the upper end and the lower end of the left side and the right side of the running-in table box body (1) to be fixed up and down, inclined supports (9) with the same inclination as the left PC side plate (3) and the right PC side plate (6) in the right-angle ladder shape are respectively fixed on the left side and the right side of the front upper end of the running-in table box body (1), a plurality of sockets (4) are respectively arranged at the lower ends of the left side and the right side of the running-in table box body (1), a fast plug (17) can be inserted into each socket (4), and;

the front end and the rear end of two parallel guide rail bars (11) which are connected at the left side and the right side of the top of a running-in table box body (1) are respectively connected with a rear stop block (10) and a front stop block (13) which can move and adjust back and forth along each guide rail bar (11), a groove of each guide rail bar (11) is connected with a movable matched slide block (12), the two groups of matched slide blocks (12) are respectively connected with the left end and the right end of a seat board (16), the front end of the seat board (16) is respectively connected with a plurality of hinges (14), and is connected with a front PC board (8) through the hinges (14), the length of the front PC board (8) is larger than the length of the inclined plane of the left PC side board (3) or the right PC side board (6), the length of the inclined plane of the left PC side plate (3) is equal to that of the inclined plane of the right PC side plate (6), the lower end, namely the free end, of the front PC board (8) is connected with a handle (15), and the front PC board (8) and the seat board (16) can realize up-down push-pull transposition along the guide rail bar (11) through the handle (15);

the lower end, namely the left side and the right side of the free end, of the front PC board (8) are respectively connected with a closing pin, one end of each steel wire rope is connected to each closing pin, the other end of each steel wire rope is connected with a fast plug pin (17), and when the front PC board (8) is in a main bearing running-in state, namely a closing state, personal safety protection of operators can be achieved by inserting the fast plug pins (17) into the sockets (4).