CN216307375U

CN216307375U - Magnetic tile-holding jack

Info

Publication number: CN216307375U
Application number: CN202123151857.8U
Authority: CN
Inventors: 华超; 周凯霞
Original assignee: Sichuan Liangshan Shuiluohe Electric Power Development Co ltd
Current assignee: Sichuan Liangshan Shuiluohe Electric Power Development Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-15
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to the technical field of maintenance equipment of hydroelectric generating sets, and discloses a magnetic tile holding jack which comprises a telescopic rod seat and a telescopic rod, wherein the telescopic rod is in threaded connection with the telescopic rod seat, the length of the telescopic rod can be adjusted when the telescopic rod rotates, a magnetic seat is arranged on the telescopic rod seat, and the telescopic rod seat can be fixed on a tile frame under the action of the magnetic seat. The utility model mainly comprises a telescopic rod seat, a telescopic rod and a magnetic seat, wherein the magnetic seat is connected to the telescopic rod seat, so that the whole jack is magnetic under the magnetic action of the magnetic seat, the jack is arranged between the inner wall of a tile frame and the outer side of a bearing bush, the telescopic rod seat and the inner wall of the tile frame are firmly attracted together under the magnetic action, the jack does not need to be supported by hands by people and cannot fall down, the problems of rework of maintenance work and time increase caused by the fact that the tile holding jack falls into the bottom of a bearing oil basin in the use process are effectively avoided, and the maintenance work efficiency is improved.

Description

Magnetic tile-holding jack

Technical Field

The utility model relates to the technical field of maintenance equipment of hydroelectric generating sets, in particular to a magnetic tile-holding jack.

Background

When hydroelectric set overhauls, it is one indispensable work to measure each guide bearing axle bush clearance, when measuring guide bearing axle bush clearance, need hug closely the axle bush of guide bearing and shaft collar together, what often adopted is that traditional tile-embracing jack embraces axle bush and shaft collar together, traditional tile-embracing jack is as shown in figure 1, mainly comprises telescopic link seat, telescopic link, and the telescopic link passes through threaded connection with the telescopic link seat, adjusts the length of tile-embracing jack through rotatory telescopic link. The schematic diagram of the use is shown in fig. 2, a tile holding jack is arranged between the inner wall of a tile frame and the outer side of a guide bush, the jack is integrally extended by rotating a telescopic rod to enable the bush and a shaft collar to be tightly attached together, and then a clearance between the bush and the spherical surface of a heavy-resistant bolt, namely the clearance between the bush and the spherical surface of the heavy-resistant bolt, can be measured by a feeler gauge.

Because traditional tile holding jack is nonmagnetic, when the installation was used, very easily from between tile rack inner wall and the axle bush outside down fall into bearing oil basin bottom, and if fall into oil basin bottom then must take out it, otherwise the unit operation tile holding jack will be along with turbine oil's rotation and constantly striking the cooler copper pipe in the oil basin, cause the copper pipe to break, cause the oil to mix the water accident, will fall into the tile holding jack of oil basin bottom and take out and then need to dismantle axle bush, tile rack and hang out, increased maintenance work load undoubtedly. Therefore, the traditional tile holding jack needs to be cautious when in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a magnetic tile-holding jack, which is characterized in that a magnetic base is added on a telescopic rod base, so that the whole jack is magnetic under the magnetic action of the magnetic base, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a jack is embraced to magnetism, includes telescopic link seat and telescopic link, telescopic link and telescopic link seat threaded connection, and the telescopic link can adjust length when rotating, be equipped with the magnetic force seat on the telescopic link seat, the telescopic link seat can be fixed on the tile rack under the effect of magnetic force seat.

Preferably, one end of the telescopic rod is provided with a replaceable chuck.

Preferably, the telescopic rod seat comprises:

the base and the threaded hole are formed in the center of the base; and the other end of the telescopic rod is in threaded connection with the inside of the threaded hole.

Preferably, the telescopic rod comprises: a screw and a raised block; the protruding block is fixedly connected to the outer portion of the screw rod.

Preferably, the magnetic base includes:

the magnet box comprises a magnet box and a magnet positioned inside the magnet box; wherein, magnet box fixed connection is in one side of base.

Preferably, the magnetic base further comprises: an end cap; the end cover is fixed on the magnet box through a countersunk screw.

Preferably, the surface of the end cover is provided with a countersunk hole matched with the countersunk screw, and the countersunk screw is hidden inside the countersunk hole.

Preferably, the chuck comprises:

the connecting rod is connected to the outer surface of the arc-shaped clamping plate; the end part of the screw rod is provided with a connecting hole matched with the connecting rod.

Preferably, the longitudinal sections of the connecting rod and the connecting hole are both of a circular structure.

Preferably, a rubber sleeve is fixed inside the connecting hole, and the connecting rod is inserted into the rubber sleeve in an interference manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model mainly comprises a telescopic rod seat, a telescopic rod and a magnetic seat, wherein the magnetic seat is connected to the telescopic rod seat, so that the whole jack has magnetism under the magnetic action of the magnetic seat, the jack is arranged between the inner wall of a tile frame and the outer side of a bearing bush, and the telescopic rod seat and the inner wall of the tile frame are firmly attracted together under the magnetic action, so that the jack does not need to be supported by hands by people and cannot fall down, the problems of rework of maintenance work and increase of time caused by the fact that the tile-holding jack falls into the bottom of a bearing oil basin in the use process are effectively avoided, and the maintenance work efficiency is improved;

2. according to the utility model, the replaceable chuck is arranged at one end part of the telescopic rod, and the matched chuck can be replaced according to the shape of the bearing bush, so that the telescopic rod and the bearing bush are tightly matched.

Drawings

FIG. 1 is a schematic view of a prior art tile holding jack;

FIG. 2 is a schematic view of a state of use of the tile holding jack;

FIG. 3 is a schematic structural view of the magnetic tile holding jack of the present invention;

FIG. 4 is an exploded view of the present invention;

FIG. 5 is a schematic view of the chuck of the present invention;

fig. 6 is a schematic structural view of the magnetic tile holding jack in the use state.

In the figure:

1. a telescopic rod seat; 101. a base; 102. a threaded hole; 2. a telescopic rod; 201. a screw; 202. a raised block; 3. a magnetic base; 301. a magnet box; 302. a magnet; 303. an end cap; 304. countersunk screws; 305. a countersunk hole; 4. a chuck; 401. an arc-shaped splint; 402. a connecting rod; 403. connecting holes; 404. a rubber sleeve.

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.

The embodiment of the utility model provides a magnetic tile holding jack, which comprises a telescopic rod seat 1, a telescopic rod 2 and a magnetic seat 3, as shown in fig. 3 and 4. Wherein,

telescopic link

2 and 1 threaded connection of telescopic link seat, and telescopic link 2 can adjust length when rotating, is equipped with magnetic base 3 on the telescopic link seat 1, and telescopic link seat 1 can be fixed on the tile rack under the effect of magnetic base 3.

When the bearing bush is used, the telescopic rod seat 1 and the telescopic rod 2 are arranged between the inner wall of the bush frame and the outer side of the bearing bush, the telescopic rod seat 1 and the inner wall of the bush frame are firmly attracted together under the magnetic action of the magnetic force seat 3, a user does not need to hold the jack with a hand and cannot fall down, and then the telescopic rod 2 is rotated to enable the bearing bush to be tightly attached to the collar surface, as shown in fig. 6.

The telescopic rod seat 1 in the present application comprises: a base 101 and a threaded hole 102, as shown in fig. 4. The threaded hole 102 is opened at the center of the base 101, and the other end of the telescopic rod 2 is connected to the inside of the threaded hole 102 in a threaded manner. The telescopic rod 2 comprises: a screw 201 and a bump 202; the protruding block 202 is fixedly connected to the outside of the screw 201. The screw 201 is connected on the base 101 through the cooperation of screw hole 102, is convenient for rotate screw 201 and adjusts its length, with the axle bush top tightly laminate with the shaft collar face. The raised block 202 may be a nut that facilitates turning the screw 201 with a wrench.

The magnetic base 3 in the present application comprises: magnet box 301, magnet 302, end cap 303, as shown in fig. 4. The magnet box 301 is connected to one side of the base 101 by spot welding, the magnet 302 is arranged inside the magnet box 301, and the end cover 303 is fixed on the magnet box 301 through a countersunk head screw 304 to limit the magnet 302 in the magnet box 301. Make wholly have magnetism, arrange the jack in between the tile frame inner wall and the axle bush outside, under magnetic effect, telescopic link seat 1 and tile frame inner wall firmly attract together, need not the people and hold the jack with the hand and also can not down fall, effectively avoided holding the tile jack to fall into bearing oil pan bottom in the use and lead to the problem that maintenance work reworked, time increases, improved maintenance work efficiency.

Preferably, in order to facilitate the installation of the end cover 303, a countersunk hole 305 matching with the countersunk screw 304 is formed in the surface of the end cover 303, and the countersunk screw 304 is hidden inside the countersunk hole 305 to hide the countersunk screw 304, so as to prevent the countersunk screw 304 from damaging the tile frame, as shown in fig. 4.

In order to enlarge the application range of magnetism holding jack for the better laminating of telescopic link 2 and axle bush is equipped with removable chuck 4 in the tip of telescopic link 2 in this application, and it includes: an arc-shaped clamping plate 401, a connecting rod 402 and a connecting hole 403, as shown in figure 5. Wherein, connecting hole 403 is opened at the end of screw 201, and the one end of connecting rod 402 is fixed at the surface of arc splint 401, and the other end of connecting rod 402 is pegged graft in connecting hole 403, has made things convenient for the change of arc splint 401. In addition, the longitudinal sections of the connecting rod 402 and the connecting hole 403 are both circular structures, so that the rotation of the screw 201 is facilitated. It is worth mentioning that the shape of the arc-shaped clamping plate 401 is matched with the shape of the bearing bush, which is beneficial to better fit.

Preferably, in order to facilitate temporary fixation of the connecting rod 402 in the connecting hole 403, a rubber sleeve 404 is fixed inside the connecting hole 403, and the connecting rod 402 is inserted into the rubber sleeve 404 by interference fit. The connecting rod 402 can be temporarily fixed in the connecting hole 403 through the rubber sleeve 404, so that the connecting rod 402 is prevented from falling off at will, and meanwhile, the connecting rod 402 can be conveniently inserted into and pulled out of the connecting hole 403, and the arc-shaped clamping plate 401 can be replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a jack is embraced to magnetism, includes telescopic link seat (1) and telescopic link (2), telescopic link (2) and telescopic link seat (1) threaded connection, and telescopic link (2) can adjust length, its characterized in that when rotating: the telescopic rod seat (1) is provided with a magnetic seat (3), and the telescopic rod seat (1) can be fixed on the tile rack under the action of the magnetic seat (3).

2. The magnetic tile holding jack of claim 1, wherein: the telescopic rod seat (1) comprises:

the device comprises a base (101) and a threaded hole (102) arranged in the center of the base (101); the other end of the telescopic rod (2) is connected to the inside of the threaded hole (102) in a threaded manner; one end part of the telescopic rod (2) is provided with a replaceable chuck (4).

3. A magnetic tile holding jack as claimed in claim 2, wherein: the telescopic rod (2) comprises: a screw (201) and a bump (202); the convex block (202) is fixedly connected to the outer part of the screw rod (201).

4. A magnetic tile holding jack as claimed in claim 2, wherein: the magnetic base (3) comprises:

a magnet box (301) and a magnet (302) positioned inside the magnet box (301); the magnet box (301) is fixedly connected to one side of the base (101).

5. The magnetic tile holding jack of claim 4, wherein: the magnetic base (3) further comprises: an end cap (303); the end cover (303) is fixed on the magnet box (301) through a countersunk head screw (304).

6. The magnetic tile holding jack of claim 5, wherein: the surface of the end cover (303) is provided with a countersunk hole (305) matched with the countersunk screw (304), and the countersunk screw (304) is hidden inside the countersunk hole (305).

7. A magnetic tile holding jack as claimed in claim 3, wherein: the chuck (4) comprises:

the clamping device comprises an arc-shaped clamping plate (401) and a connecting rod (402) connected to the outer surface of the arc-shaped clamping plate (401); the end part of the screw rod (201) is provided with a connecting hole (403) matched with the connecting rod (402).

8. The magnetic tile holding jack of claim 7, wherein: the longitudinal sections of the connecting rod (402) and the connecting hole (403) are both circular structures.

9. The magnetic tile holding jack of claim 8, wherein: the rubber sleeve (404) is fixed inside the connecting hole (403), and the connecting rod (402) is inserted into the rubber sleeve (404) in an interference manner.