CN215510854U

CN215510854U - Universal bearing dismounting device

Info

Publication number: CN215510854U
Application number: CN202121507647.5U
Authority: CN
Inventors: 张众玲
Original assignee: Henan Jinding Construction Engineering Group Co Ltd
Current assignee: Henan Jinding Construction Engineering Group Co Ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-14
Anticipated expiration: 2031-07-01

Abstract

The utility model relates to a technical field of bearing dismouting specifically is a general bearing dismounting device, including the square base, base up end fixedly connected with mounting, the mounting is including the pole portion that four cylinder poles are constituteed, four cylinder poles of pole portion respectively fixed connection in four apex angle departments of base, pole portion perpendicular to the base up end, install the roof on the base top, the terminal surface is on a parallel with under the roof base up end, roof fixed connection in on the pole portion, the roof center has been seted up and has been pushed out the hole, be provided with the jack on the base. The shaft and the bearing are separated by matching the jack hole and the like with the jack, and the jack is used as a main component for providing force required by separation, so that the shaft and the bearing are more easily detached.

Description

Universal bearing dismounting device

Technical Field

The application relates to the technical field of bearing disassembly and assembly, in particular to a universal bearing disassembling device.

Background

During mechanical repair or maintenance, it is often necessary to disassemble the bearings. However, the bearing may be corroded or deformed during a long period of use, so that the bearing is difficult to remove from the shaft bearing seat. Usually, for bearings which are difficult to disassemble, a worker can disassemble the bearings by using a three-jaw puller.

The three-jaw puller comprises a threaded rod, the threaded rod is in threaded connection with a sleeve, three clamping jaws are arranged on the outer side of the sleeve in an annular array mode, the clamping jaws are hinged to the outer side of the sleeve, and the end portions of the clamping jaws are hook-shaped. When the bearing is pulled out from the shaft, the hook part of the claw is hooked on the edge of the bearing, the threaded rod is rotated, one end of the threaded rod is enabled to be propped against one end of the shaft, the threaded rod is rotated again, and the shaft is pushed out of the bearing through the threaded rod.

The three-jaw puller needs to manually rotate the threaded rod to eject the shaft out of the bearing in the use process, and when the bearing and the shaft are seriously stuck due to corrosion or deformation, the shaft is difficult to eject by rotating the threaded rod.

Disclosure of Invention

To the not enough that prior art exists, the purpose of this application is to provide a can dismantle a general bearing dismounting device of bearing more easily.

The above application purpose of the present application is achieved by the following technical solutions:

the utility model provides a general bearing dismounting device, includes rectangular plate's base, base up end fixedly connected with mounting, the mounting is including the pole portion that four kinds of cylinder poles are constituteed, four cylinder poles of the kind of pole portion respectively fixed connection in four apex angle departments of base, pole portion perpendicular to the base up end, install the roof on the base top, the terminal surface is on a parallel with the base up end under the roof, roof fixed connection in on the pole portion, seted up on the roof four with the corresponding through-hole in pole portion position, pole portion runs through the through-hole, the roof center has been seted up and has been pushed out the hole, be provided with the jack on the base.

Through adopting above-mentioned technical scheme, when needs dismantle axle and bearing, place the bearing in the lower terminal surface of roof to make the axle be located the center of ejecting hole, lift the jack, make the jack keep away from the one end of roof at the axle. The jack is lifted up in the axial direction continuously, the bearing is clamped below the top plate, and the shaft moves upwards continuously under the supporting force of the jack until the shaft is separated from the bearing. Through the cooperation of jack and roof, at the in-process of bearing and axle separation, the jack is the main part that provides the required power of separation, saves the manpower through the jack, makes the dismantlement of axle and bearing easier.

Optionally, the rod portion includes two threaded rods and two polished rods, the two threaded rods are respectively installed on two opposite corners of the base, an upper nut and a lower nut are connected to the threaded rods in a threaded manner, the top plate is installed between the upper nut and the lower nut, and the top plate is slidably connected to the polished rods.

By adopting the technical scheme, when the lengths of the shafts to be disassembled are different, the top plate moves up and down along the fixing piece by adjusting the positions of the upper nut and the lower nut, and the top plate is clamped by the upper nut and the lower nut again after the top plate is moved to a proper position. Through the arrangement of the threaded rod, the upper nut and the lower nut, the distance between the top plate and the base can be changed, and therefore the dismounting device can adapt to more dismounting work.

Optionally, the side surface of the polish rod is attached to the side surface of the through hole in the top plate.

Through adopting above-mentioned technical scheme, make the locating lever keep certain levelness, the side of locating lever is laminated in the side of roof through-hole, makes the axis and the locating lever axis of through-hole parallel to make roof and locating lever axis perpendicular, thereby make roof and base keep certain depth of parallelism, so that when making the jack epaxial, the axis of jack can with the axis collineation of axle, reduce the possibility that ejecting process axis takes place to squint or deflect.

Optionally, the base is provided with a positioning groove, the shape of the positioning groove is the same as that of the jack base, and the positioning groove is opposite to the ejection hole.

Through adopting above-mentioned technical scheme, when placing the jack on the base, place in constant head tank position, advance line location through the constant head tank of just ejecting hole, increase work efficiency.

Optionally, the shape of the positioning groove is the same as that of the jack base.

Through adopting above-mentioned technical scheme, when placing the jack on the base, inlay the jack in the constant head tank, increase the precision and the speed of jack location, further increase work efficiency.

Optionally, the jack further comprises a connecting pipe, the connecting pipe comprises a sleeve, the inner diameter of the sleeve is the same as the diameter of the output end of the jack, and one end of the sleeve is fixedly connected with a conical taper coaxial with the sleeve.

Through adopting above-mentioned technical scheme, when jack ejection axle, with the sleeve pipe cover at the output of jack, the axle head has the apex hole that is used for axle processing usually, with the apex downthehole of awl point top at the axle head, reduces the jack and takes place the possibility that slides with the axle head output of jack when ejecting the axle.

Optionally, two positioning plates are slidably mounted on the top plate, the two positioning plates are symmetrically arranged on two sides of the ejection hole, and the two positioning plates can approach or be far away from the ejection hole through sliding.

Through adopting above-mentioned technical scheme, when the external diameter of the bearing that needs the separation is less than the diameter of ejecting hole, two locating plates that slide are close to ejecting hole, make the distance between two locating plates the same with the diameter of treating the axle that separates, make the up end laminating two locating plates of bearing, locating plate support bearing to in ejecting of axle, through setting up the locating plate, make dismounting device can adapt to the bearing of more sizes, the staff of being convenient for uses.

Optionally, two sliding grooves are formed in the top plate, the positioning plate slides along the sliding grooves, positioning bolts are fixedly connected to the positioning plate and penetrate through the sliding grooves, and nuts are installed on one sections of the positioning bolts penetrating out of the sliding grooves.

Through adopting above-mentioned technical scheme, after the locating plate slided to suitable position, through positioning bolt fastening, reduce the in-process locating plate atress unbalance of ejecting axle and take place the possibility that slides.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the shaft and the bearing are separated by matching the jack hole and the like with the jack, and the jack is used as a main part for providing force required by separation, so that the shaft and the bearing are easier to disassemble;

2. through the arrangement of the connecting pipe, the possibility of slippage between the output end of the jack and the shaft end when the jack jacks out of the shaft is reduced, and the operation of workers is facilitated;

3. through the setting of locating plate, make this device can adapt to the bearing of more sizes, improved the application scope of this device.

Drawings

FIG. 1 is a schematic view of an embodiment of a universal bearing removal apparatus according to the present application;

fig. 2 is a schematic structural diagram of a positioning plate according to an embodiment of a universal bearing dismounting device of the present application.

Reference numerals: 1. a base; 11. positioning a groove;

2. a fixing member; 21. a rod portion; 211. a threaded rod; 212. a polish rod; 22. screwing a nut; 23. a lower nut;

3. a top plate; 31. an ejection aperture; 32. a sliding groove;

4. a jack;

5. a connecting pipe; 51. a sleeve; 52. a conical tip;

6. positioning a plate; 61. and (6) positioning the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1, for the utility model discloses a general bearing dismounting device, base 1 including rectangular plate, base 1 up end fixedly connected with mounting 2, mounting 2 is including the pole portion 21 that four kinds of cylinder poles are constituteed, four kinds of cylinder poles of pole portion 21 are fixed connection respectively in four apex angle departments of base 1, the equal perpendicular to base 1 up end of cylinder pole of pole portion 21, install roof 3 on the base 1 top, roof 3 is the rectangular plate, the terminal surface is on a parallel with base 1 up end under the roof 3, roof 3 fixed connection is on pole portion 21, four through-holes corresponding with pole portion 21 position have been seted up on the roof 3, pole portion 21 runs through the through-hole, roof hole 31 has been seted up at roof 3 center, be provided with jack 4 on the base 1. When the shaft and the bearing need to be detached, the bearing is placed on the lower end face of the top plate 3, the shaft is located in the center of the ejecting hole 31, and the jack 4 is lifted, so that the jack 4 is jacked at one end, far away from the top plate 3, of the shaft. Jack 4 is constantly lifted, the shaft is jacked up, the bearing is clamped below top plate 3, and the shaft constantly moves upwards under the supporting force of jack 4 until the shaft is separated from the bearing. Through the cooperation of jack 4 and roof 3, at bearing and the in-process of axle separation, jack 4 is the main part that provides the required power of separation, uses manpower sparingly through jack 4, makes the dismantlement of axle and bearing easier.

The diameter of the ejection hole 31 is determined according to the diameters of a bearing and a shaft which are commonly used in the work of workers, and the diameter of the ejection hole 31 is smaller than the outer diameter of a dry bearing and larger than the diameter of the shaft.

The rod part 21 comprises two threaded rods 211 and two polished rods 212, the two threaded rods 211 are respectively installed on two opposite corners of the base 1, the fixed rods are connected with upper nuts 22 and lower nuts 23 in a threaded mode, the top plate 3 is installed between the upper nuts 22 and the lower nuts 23, the top plate 3 is placed on the upper nuts 22, and the top plate 3 and the rod part 21 are fixedly connected by screwing the lower nuts 23. When the lengths of the shafts to be detached are different, the top plate 3 is moved up and down along the fixing member 2 by adjusting the positions of the upper nut 22 and the lower nut 23, and the top plate 3 is clamped again by using the upper nut 22 and the lower nut 23 after moving to a proper position. Through the arrangement of the threaded rod 211 and the upper nut 22 and the lower nut 23, the distance of the top plate 3 relative to the base 1 can be changed, so that the dismounting device can adapt to more dismounting work. In order to keep the top plate 3 parallel to the base 1, the side wall of the polish rod 212 is attached to the side wall of the through hole, and the top plate 3 and the polish rod 212 keep certain perpendicularity through the attachment of the side wall, so that certain parallelism between the top plate 3 and the base 1 is kept. When the jack 4 jacks out the shaft, the end face of the bearing is attached to the lower end face of the top plate 3, the lower end face of the top plate 3 is parallel to the base 1, the shaft in the bearing is perpendicular to the base 1, and the axis of the shaft is located in the axial direction of the output end of the jack 4, so that the jack 4 jacks out the shaft conveniently.

The positioning groove 11 is formed in the base 1, the shape of the positioning groove 11 is the same as that of the bottom surface of the jack 4, when the jack 4 is placed on the base 1, the jack 4 is embedded in the positioning groove 11, the positioning groove 11 is opposite to the ejection hole 31, when the jack 4 is embedded in the positioning groove 11, the output end of the jack 4 is coaxial with the ejection hole 31, the positioning groove 11 is favorable for improving the positioning precision and speed when the jack 4 is placed, the work efficiency is improved, the groove depth of the positioning groove 11 is determined according to the bottom of the jack 4 commonly used by an operator, and the use of the jack 4 is not influenced when the jack 4 is embedded in the positioning groove 11.

In order to reduce the possibility that the output end of the jack 4 slides along the shaft end when the jack 4 jacks out of the shaft, the output end of the jack 4 is sleeved with the connecting pipe 5, the connecting pipe 5 comprises a sleeve 51, the sleeve 51 is a round pipe with the inner diameter being the same as the diameter of the output end of the jack 4, one end, away from the jack 4, of the sleeve 51 is welded with a conical taper 52 coaxial with the sleeve 51, when the jack 4 jacks out of the shaft, the sleeve 51 is sleeved at the output end of the jack 4, usually, the shaft end is provided with a taper hole for shaft processing, the taper 52 is jacked in the taper hole of the shaft end, the possibility that the output end and the shaft end of the jack 4 slide along the shaft pushing out of the jack 4 is reduced, and therefore, a worker can operate the jack conveniently.

Referring to fig. 1-2, in order to make the top plate 3 suitable for bearings with more sizes when serving as a support, the upper end surface of the top plate 3 is provided with two rectangular sliding grooves 32, the sliding grooves 32 penetrate through the lower end surface of the top plate 3, the two sliding grooves 32 are parallel to each other, the two sliding grooves 32 are symmetrically arranged on both sides of the ejecting hole 31, the positioning plate 6 is slidably connected in the sliding grooves 32, the positioning plate 6 is a rectangular plate, both ends of the positioning plate 6 are both in threaded connection with positioning bolts 61, the two positioning bolts 61 are respectively slidably mounted in the two sliding grooves 32, one end of the positioning bolt 61 far away from the positioning plate 6 penetrates through the sliding grooves 32, one end of the positioning bolt 61 penetrating out of the sliding grooves 32 is in threaded connection with a nut, the positioning plate 6 slides along the sliding grooves 32 through the positioning bolts 61, the positioning plate 6 is provided with two positioning plates 6, and the two positioning plates 6 slide along the sliding grooves 32 in the same way, make two locating plates 6 be located the both ends of groove 32 that slides respectively, when the external diameter of the bearing that needs to be dismantled is less than the ejector pin 31 diameter, roof 3 can not the bearing provide better support, when this bearing is installed on jack 4, to ejector pin 31 direction positioning plate 6 that slides, makes the axle card of treating the dismantlement between two locating plates 6 to screw up the nut on the groove 32 that slides, provide the support for the bearing through positioning plate 6, so that the dismantlement of bearing and axle.

The implementation principle of the embodiment is as follows: when the shaft and the bearing need to be detached, the bearing is placed on the lower end face of the top plate 3, the shaft is located in the center of the ejecting hole 31, and the jack 4 is lifted, so that the jack 4 is jacked at one end, far away from the top plate 3, of the shaft. Through constantly raising jack 4, jack up on the axial, the bearing is blocked in roof 3 below, the axle constantly receives jack 4's holding power to move up, until axle and bearing separation, when the external diameter of the bearing that needs to dismantle is less than the ejecting hole 31 diameter, when this bearing is installed on

jack

4, 31 orientation locating plates 6 slide to the ejecting hole, the axle card that makes to treat the dismantlement is between two locating plates 6, and screw up the nut on the groove 32 that slides, support for the bearing through locating plate 6, so that the dismantlement of bearing and axle.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A general bearing dismounting device is characterized in that: comprises a rectangular plate-shaped base (1), a fixing piece (2) is fixedly connected with the upper end surface of the base (1), the fixing piece (2) comprises a rod part (21) consisting of four similar cylindrical rods, the four similar cylindrical rods of the rod part (21) are respectively and fixedly connected with four vertex angles of the base (1), the rod part (21) is vertical to the upper end surface of the base (1), a top plate (3) is arranged above the base (1), the lower end surface of the top plate (3) is parallel to the upper end surface of the base (1), the top plate (3) is fixedly connected to the rod part (21), the top plate (3) is provided with four through holes corresponding to the rod part (21), the rod part (21) penetrates through the through hole, an ejection hole (31) is formed in the center of the top plate (3), and a jack (4) is arranged on the base (1).

2. A universal bearing removal apparatus as claimed in claim 1, wherein: the rod part (21) comprises two threaded rods (211) and two polished rods (212), the two threaded rods (211) are respectively installed on two opposite corners of the base (1), an upper nut (22) and a lower nut (23) are connected to the threaded rods (211) in a threaded mode, the top plate (3) is installed between the upper nut (22) and the lower nut (23), and the top plate (3) can be connected to the polished rods (212) in a sliding mode.

3. A universal bearing removal apparatus as claimed in claim 2, wherein: the side surface of the polish rod (212) is attached to the side surface of the through hole in the top plate (3).

4. A universal bearing removal apparatus as claimed in claim 1, wherein: the base (1) is provided with a positioning groove (11), the positioning groove (11) is the same as the base (1) of the jack (4) in shape, and the positioning groove (11) is opposite to the ejection hole (31).

5. A universal bearing removal device as claimed in claim 4, wherein: the shape of the positioning groove (11) is the same as that of the base (1) of the jack (4).

6. A universal bearing removal apparatus as claimed in claim 1, wherein: still include connecting pipe (5), connecting pipe (5) are including sleeve pipe (51), sleeve pipe (51) internal diameter with jack (4) output end diameter is the same, the one end fixedly connected with of sleeve pipe (51) with the coaxial conical awl point (52) of sleeve pipe (51).

7. A universal bearing removal apparatus as claimed in claim 1, wherein: two positioning plates (6) are installed on the top plate (3) in a sliding manner, the two positioning plates (6) are symmetrically arranged on two sides of the ejection hole (31), and the two positioning plates (6) can be close to or far away from the ejection hole (31) through sliding.

8. A universal bearing removal apparatus as claimed in claim 7, wherein: two sliding grooves (32) are formed in the top plate (3), the positioning plate (6) slides along the sliding grooves (32), the positioning plate (6) is fixedly connected with a positioning bolt (61), the positioning bolt (61) penetrates through the sliding grooves (32), and the positioning bolt (61) penetrates out of one section of the sliding grooves (32) and is provided with a nut.