CN213532442U

CN213532442U - Dismounting device for mounting bearing outer sleeve in inner hole

Info

Publication number: CN213532442U
Application number: CN202020741467.2U
Authority: CN
Inventors: 高进跃; 尹翠凤; 高静
Original assignee: Tianjin Maolian Science & Technology Co ltd
Current assignee: Tianjin Maolian Science & Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-06-25
Anticipated expiration: 2030-05-08

Abstract

The utility model provides a dismounting device for hole installation bearing overcoat, its characterized in that includes interior screw thread top, outband screw thread telescopic link, toper fixed cover, toper tight apical axis that rises is last to be installed and to be equipped with toper fixed cover, draw and seted up the mounting hole on the supporting beam, install lock nut and plain washer between toper fixed cover and the toper tight apical axis that rises, install full knot drawing screw in the mounting hole of toper fixed cover, toper tight apical axis that rises, drawing supporting beam, drawing nut and plain washer are installed at the top of full knot drawing screw, plain washer is installed at the downside of drawing nut, drawing nut and washer will be detained drawing screw and drawing supporting beam together with full knot together fixed, install the interior screw thread top on the outband screw thread telescopic link; the problem of the overcoat is inlayed and is demolishd the difficulty on the conveying roller inner wall after the hole dress bearing damages, especially chemical plant workshop can not fire the position bearing overcoat demolishs the problem.

Description

Dismounting device for mounting bearing outer sleeve in inner hole

Technical Field

The utility model relates to a bearing housing dismantles technical field, especially relates to a dismounting device for hole installation bearing housing.

Background

The industrial equipment can not be separated from a large number of bearings, the bearings need to be maintained and replaced frequently as a quick-wear part, particularly, the existing bearings have poor working conditions of bearing use parts, dust, high temperature, medium corrosion and the like, the bearings of a packaging machine roller way are installed in conveying rollers, the service cycle is short under the corrosion of high temperature, dust and corrosive gas, and the bearings need to be replaced frequently, but the bearings are sleeved outside and embedded on the inner walls of the conveying rollers after being damaged, and are difficult to disassemble because of no stress points, so that the cutting treatment cannot be performed by gas cutting, but the gas cutting operation is difficult because of space and position reasons, flames are difficult to control, the inner walls of the conveying rollers are often cut, the inner walls of the conveying rollers need to be polished by a lot of manpower, a lot of difficulties are increased for installing new bearings, in addition, an oxygen acetylene cylinder needs to be prepared for replacing the bearings each time, and the, the fire in a workshop is dangerous, the workshop is examined and approved layer by layer before the fire occurs, and strict control is needed during the fire occurs, so that a large amount of manpower and precious production time are wasted, the risk of fire hazard is also potential, and therefore the dismounting device for mounting the bearing outer sleeve in the inner hole is provided.

Disclosure of Invention

According to the technical problem, the utility model provides a dismounting device for hole installation bearing overcoat, its characterized in that includes take-in thread top, take-out thread telescopic link, toper fixed cover, toper tight apical axis that rises, detains drawing screw rod entirely, lock nut, draw supporting beam, draw ejector pin, draw pole adjusting nut, flat gasket, drawing nut, the drawing ejector pin is installed respectively at the both ends of support frame, two the upper end of drawing ejector pin is seted up the mounting hole respectively, installs drawing supporting beam in this mounting hole, install draw pole adjusting nut and flat gasket on drawing ejector pin respectively, flat gasket and the top and the bottom contact of drawing supporting beam, draw pole adjusting nut and flat gasket contact;

install the toper on the base and rise the tight apical axis, install the toper fixed cover on the toper rises the tight apical axis, install the mounting hole on toper fixed cover and the toper rise the tight apical axis respectively, draw and seted up the mounting hole on the supporting beam, this mounting hole is seted up on same straight line, install lock nut and flat gasket between toper fixed cover and the toper rise the tight apical axis, flat gasket installs the downside at lock nut, install full knot in the mounting hole of toper fixed cover, toper rise the tight apical axis, the drawing supporting beam and draw the screw rod, draw nut and flat gasket are installed at the top of full knot drawing screw rod, flat gasket installs the downside at drawing nut, draw nut and gasket and will be detained the drawing screw rod entirely and draw the supporting beam and fix together, the total three diameter of equipartition is 10.5mm through-hole on toper fixed cover center circumference, installs out of band screw thread telescopic link in this through-hole, the telescopic rod with the external thread is provided with a top head with the internal thread;

the conical expansion joint is characterized in that one end of the top with the internal thread is of a conical structure, the other end of the top with the internal thread is provided with an internal thread, the length of the internal thread is 15mm, the total depth of an inner hole is 25mm, the total length of the top is 35mm, the length of the telescopic rod with the external thread is 50mm, one end of the telescopic rod with the external thread is provided with an external thread, the length of the external thread is 25mm, the end head of the telescopic rod with the external thread is of a conical pointed structure, the end part of the other end of the telescopic rod with the external thread is of a spherical structure, the excircle diameter of the conical fixed sleeve is 55mm, the length of the conical fixed sleeve is 35mm, the diameter of the inner hole of the conical fixed sleeve is 30 mm-40 mm of a conical hole, the end surface of one side with the diameter of 30mm is provided with a through hole with the diameter of 18mm, the conical expansion joint is of, the diameter of the other end of the conical tensioning top shaft is 40mm, a threaded hole is formed in one side end face with the diameter of 30mm, the depth of the threaded hole is 15mm, the full-buckle drawing bolt is a double-head stainless steel screw rod, the lock nut is a universal stainless steel nut, a flat gasket at the bottom of the lock nut is a phi 18 phi 30 phi 5mm stainless steel gasket, the drawing supporting beam is a 400 phi 50 phi 30mm steel plate, a through hole with the diameter of 18mm is formed in the center of the wide face of the beam, the full-buckle drawing screw rod is installed in the through hole, two ends of the full-buckle drawing screw rod are respectively provided with a U-shaped groove with the width of 22mm on the width face, the drawing ejector rod is a special-shaped stainless steel bolt, one end of the drawing ejector rod is provided with threads, the length of the threads is 100mm, the length of the drawing ejector rod is 240mm, and the drawing rod adjusting nut is a stainless steel nut, the size of the flat gasket at the bottom of the drawing rod adjusting nut is phi 22 phi 30, the thickness of the flat gasket at the bottom of the drawing rod adjusting nut is a stainless steel gasket of 3mm, the drawing nut is a stainless steel nut, and the flat gasket at the bottom of the drawing nut is phi 18 phi 30 phi 5 mm.

The utility model has the advantages that: the utility model adds the internally threaded top head, the externally threaded telescopic rod, the conical fixed sleeve, the conical tensioning top shaft and the full-buckle drawing screw rod, solves the problem that the outer sleeve is embedded on the inner wall of the conveying roller and is difficult to remove after the hole-mounted bearing is damaged, in particular to the problem that the bearing outer sleeve cannot be fired in a chemical plant workshop is removed, the utility model converts the jacking force into the drawing force to the bearing outer sleeve through the belt groove chuck, the drawing rod and the transverse groove anti-falling fixture block according to the reaction force principle, thereby detaching the bearing outer sleeve from the main shaft, avoiding damaging the bearing outer sleeve and avoiding the damage to other equipment caused by improper removal, avoiding the fire risk in a dangerous area, simultaneously reducing the bearing replacement time, also reducing the labor intensity of workers, and connecting the top 1 into a whole through the threaded externally threaded telescopic rod through the top head part with the internally threaded top head and the inner wall of the bearing inner sleeve, the conical tensioning jacking shaft is integrally arranged in three through holes uniformly distributed on the circumference of the center of the conical fixing sleeve, and under the action of the full-buckle drawing screw rod, the conical tensioning jacking shaft can be continuously attached to the inner conical wall of the conical fixing sleeve, so that the external thread telescopic rod is outwards ejected, the jacking head with the internal thread is tightly jacked on the inner wall of the bearing inner sleeve to prevent slipping, the drawing nut is continuously screwed inwards, and meanwhile, the bearing outer sleeve is continuously pulled outwards to achieve the purpose of dismounting;

the utility model discloses a trough of belt chuck has increased two slots on the straight line of center for pass the full-thread screw rod and can realize horizontal width regulation also realize the adjustment and the fixed of pull-out rod length simultaneously, internal thread U type piece passes through full-thread screw rod and adjusting nut fastening on trough of belt chuck, the lower part links together with adjustable pull rod with the swivelling joint round pin, realize the transmission of pulling force, adjustable pull rod lower extreme and cross slot anticreep chucking piece welding together, can realize the radial rotation when cross slot anticreep chucking piece presss from both sides tightly through the swivelling joint round pin, can make cross slot anticreep chucking piece better press from both sides tight bearing overcoat, this swivelling joint round pin has realized internal thread U type piece and adjustable pull rod and can realize adjustable pull rod in the U type inslot radial rotation of internal thread U type piece; the external thread ejector rod of the utility model is screwed into the circular nut with the fixed disk and is propped against the end part of the main shaft, and the jacking force is converted into the drawing force to act on the bearing outer sleeve through the chuck with the groove and the drawing rod;

the butterfly fastening nut of the utility model is fixed on the fastening bolt and used for clamping the two transverse groove anti-drop clamping blocks on the outer wall of the bearing outer sleeve, so as to prevent the transverse groove anti-drop clamping blocks from loosening during drawing and realize the normal removal of the bearing outer sleeve;

the utility model discloses simple structure, pure manual control, it is easy and simple to handle, energy-concerving and environment-protective, the security is high, has solved the actual existing problem, avoids damaging the improper damage that leads to the fact other equipment of demolising of bearing overcoat, and the danger area has avoided the conflagration risk, has reduced the bearing change time simultaneously, has also reduced staff's intensity of labour.

Drawings

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

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic view of the utility model.

As shown in the figure, the drawing device comprises an internal thread top 1, an external thread telescopic rod 2, a conical fixed sleeve 3, a conical tensioning top shaft 4, a full-buckle drawing screw rod 5, a locking nut 6, a flat gasket 7, a drawing supporting beam 8, a drawing top rod 9, a drawing rod adjusting nut 10 and a drawing nut 11.

Detailed Description

Example 1

The utility model provides a dismounting device for hole installation bearing overcoat, its characterized in that includes taking internal thread top 1, take external thread telescopic link 2, toper fixed cover 3, toper tight apical axis 4 that rises, detain drawing screw 5 entirely, lock nut 6, flat gasket 7, draw supporting beam 8, draw ejector pin 9, draw pole adjusting nut 10, draw nut 11, drawing ejector pin 9 is installed respectively at the both ends of support frame, the upper end of two drawing ejector pins 9 has seted up the mounting hole respectively, install drawing supporting beam 8 in this mounting hole, draw and install respectively on the ejector pin 9 and draw pole adjusting nut 10 and flat gasket 7, flat gasket 7 contacts with the top and the bottom of drawing supporting beam 8, draw pole adjusting nut 10 and flat gasket 7 contact;

a conical tensioning top shaft 4 is arranged on the base, a conical fixing sleeve 3 is arranged on the conical tensioning top shaft 4, mounting holes are respectively arranged on the conical fixing sleeve 3 and the conical tensioning top shaft 4, mounting holes are arranged on a drawing supporting beam 8 and are arranged on the same straight line, a locking nut 6 and a flat gasket 7 are arranged between the conical fixing sleeve 3 and the conical tensioning top shaft 4, the flat gasket 7 is arranged on the lower side of the locking nut 6, full-buckle drawing screws 5 are arranged in the mounting holes of the conical fixing sleeve 3, the conical tensioning top shaft 4 and the drawing supporting beam 8, a drawing nut 11 and a flat gasket 7 are arranged on the top of the full-buckle drawing screw 5, the flat gasket 7 is arranged on the lower side of the drawing nut 11, the drawing nut 11 and the gasket fix the full-buckle drawing screw 5 and the drawing supporting beam 8 together, three through holes with the diameter of 10.5mm are uniformly distributed on the center circumference of the conical fixing sleeve 3, the through hole is internally provided with an external thread telescopic rod 2, and the external thread telescopic rod 2 is provided with an internal thread top 1;

one end of the top head 1 with the internal thread is of a conical structure, the other end of the top head 1 with the internal thread is provided with an internal thread, the length of the internal thread is 15mm, the total depth of an inner hole is 25mm, the total length of the top head is 35mm, the length of the telescopic rod 2 with the external thread is 50mm, one end of the telescopic rod 2 with the external thread is provided with an external thread, the length of the external thread is 25mm, the end head of the telescopic rod 2 with the external thread is of a conical pointed structure, the end part of the other end of the telescopic rod 2 with the external thread is of a spherical structure, the excircle diameter of the conical fixed sleeve 3 is 55mm, the length of the conical fixed sleeve 3 is 35mm, the diameter of the inner hole of the conical fixed sleeve 3 is a conical hole with the diameter of 30 mm-40 mm, the end surface of one side with the diameter of 30mm is provided with a through hole with the diameter of 18mm, the diameter of the other end of the conical tensioning top shaft 4 is 40mm, a threaded hole is formed in the end face of one side with the diameter of 30mm, the depth of the threaded hole is 15mm, the full-buckled drawing bolt is a double-headed stainless steel screw, the locking nut 6 is a universal stainless steel nut, the flat gasket 7 at the bottom of the locking nut 6 is a phi 18 phi 30 phi 5mm stainless steel gasket, the drawing supporting beam 8 is a 400 phi 50 phi 30mm steel plate, the center of the wide surface of the beam is provided with a through hole with the diameter of 18mm, the full-buckled drawing screw 5 is installed in the through hole, two ends of the full-buckled drawing screw 5 are respectively provided with a U-shaped groove with the width of 22mm on the width surface, the drawing ejector rod 9 is a special-shaped stainless steel bolt, one end of the drawing ejector rod 9 is provided with threads with the length of 100mm, the drawing ejector rod 9 is 240mm, the drawing rod adjusting nut 10 is a stainless steel nut, the size of the flat gasket 7 at the bottom of the drawing rod adjusting nut 10 is phi 22 phi, the thickness of the flat gasket 7 at the bottom of the drawing rod adjusting nut 10 is a stainless steel gasket with the thickness of 3mm, the drawing nut 11 is a stainless steel nut, and the flat gasket 7 phi 18 phi 30 phi 5mm at the bottom of the drawing nut 11 is a stainless steel gasket.

Example 2

The utility model discloses an application principle: when in use, the utility model is placed in a bearing outer sleeve which needs to be disassembled and damaged, the top part with the internal thread top 1 of the utility model is contacted with the inner wall of the bearing inner sleeve, the internal thread top 1 is connected into a whole through the threaded external thread telescopic rod 2 and is integrally installed in three through holes evenly distributed on the central circumference of the conical fixed sleeve 3, the conical tensioning top shaft 4 can be continuously attached to the inner conical wall of the conical fixed sleeve 3 under the action of the full-buckle drawing screw rod 5, thereby the external thread telescopic rod 2 is outwards pushed out, the internal thread top 1 is tightly pressed on the inner wall of the bearing inner sleeve to prevent slippage, the drawing nut 11 is continuously screwed inwards, the bearing outer sleeve is continuously pulled out simultaneously to achieve the purpose of disassembly, the application expands tightly in the conical fixed sleeve 3 through the conical tensioning top shaft 4, and is connected into a whole with the bearing outer sleeve through extruding the external thread telescopic rod 2, draw supporting beam 8, draw ejector pin 9, draw pole adjusting nut 10, flat gasket 7, draw the drawing mechanism's that nut 11 constitutes draw the effect down, dismantle bearing overcoat conveying roller hole in, avoid damaging the improper damage of demolising other equipment that causes of bearing overcoat, the fire risk has been avoided in the danger area, has reduced the bearing change time simultaneously, has also reduced staff's intensity of labour.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A dismounting device for mounting a bearing outer sleeve in an inner hole is characterized by comprising an inner-thread top head, an outer-thread telescopic rod, a conical fixed sleeve, a conical tensioning top shaft, a full-buckle drawing screw, a locking nut, a drawing supporting beam, drawing ejector rods, a drawing rod adjusting nut, a flat gasket and a drawing nut, wherein the drawing ejector rods are respectively mounted at two ends of a support frame, mounting holes are respectively formed in the upper ends of the two drawing ejector rods, the drawing supporting beam is mounted in the mounting holes, the drawing rod adjusting nut and the flat gasket are respectively mounted on the drawing ejector rods, the flat gasket is in contact with the top and the bottom of the drawing supporting beam, and the drawing rod adjusting nut is in contact with the flat gasket;

install the toper on the base and rise the tight apical axis, install the toper fixed cover on the toper rises the tight apical axis, install the mounting hole on toper fixed cover and the toper rise the tight apical axis respectively, draw and seted up the mounting hole on the supporting beam, this mounting hole is seted up on same straight line, install lock nut and flat gasket between toper fixed cover and the toper rise the tight apical axis, flat gasket installs the downside at lock nut, install full knot in the mounting hole of toper fixed cover, toper rise the tight apical axis, the drawing supporting beam and draw the screw rod, draw nut and flat gasket are installed at the top of full knot drawing screw rod, flat gasket installs the downside at drawing nut, draw nut and gasket and will be detained the drawing screw rod entirely and draw the supporting beam and fix together, the total three diameter of equipartition is 10.5mm through-hole on toper fixed cover center circumference, installs out of band screw thread telescopic link in this through-hole, and the telescopic rod with the external thread is provided with an internal thread top.

2. The dismounting device for the bearing outer sleeve installed in the inner hole is characterized in that one end of the internally threaded top head is of a conical structure, the other end of the internally threaded top head is provided with an internal thread, the length of the internal thread is 15mm, the total depth of the inner hole is 25mm, the total length of the top head is 35mm, and the length of the extension rod with the external thread is 50 mm.

3. The dismounting device for the bearing outer sleeve installed in the inner hole as claimed in claim 1, wherein one end of the telescopic rod with the external thread is provided with an external thread with a length of 25mm, the end head of the telescopic rod with the external thread is of a conical pointed structure, the other end of the telescopic rod with the external thread is of a spherical structure, the diameter of the outer circle of the conical fixing sleeve is 55mm, the length of the conical fixing sleeve is 35mm, the diameter of the inner hole of the conical fixing sleeve is 30 mm-40 mm, and the end surface of the side with the diameter of 30mm is provided with a through hole with a diameter of 18 mm.

4. The dismounting device for the bearing outer sleeve with the inner hole mounted as claimed in claim 1, wherein the tapered tensioning jack is of a conical structure, the length of the tapered tensioning jack is 35mm, the diameter of one end of the tapered tensioning jack is 30mm, the diameter of the other end of the tapered tensioning jack is 40mm, a threaded hole is formed in one end face of the tapered tensioning jack, the diameter of the threaded hole is 30mm, and the depth of the threaded hole is 15 mm.

5. The dismounting device for the bearing outer sleeve installed in the inner hole is characterized in that the full-buckled drawing bolt is a double-headed stainless steel screw, the locking nut is a universal stainless steel nut, the flat gasket at the bottom of the locking nut is a phi 18 phi 30 phi 5mm stainless steel gasket, the drawing support beam is a steel plate with the specification of 400 phi 50 phi 30mm, the center of the wide surface of the beam is provided with a through hole with the diameter of 18mm, the full-buckled drawing screw is installed in the through hole, two ends of the full-buckled drawing screw are respectively provided with a U-shaped groove with the width of 22mm on the wide surface, the drawing ejector rod is a special-shaped stainless steel bolt, one end of the drawing ejector rod is provided with a thread with the length of 100mm, the length of the drawing ejector rod is 240mm, the drawing rod adjusting nut is a phi stainless steel nut, the flat gasket at the bottom of the drawing rod adjusting nut is in the size of phi 22 phi 30, the thickness of the flat gasket at the bottom of the drawing rod adjusting nut is a stainless steel gasket of 3mm, the drawing nut is a stainless steel nut, and the flat gasket phi 18 phi 30 phi 5mm at the bottom of the drawing nut is a stainless steel gasket.