CN210361148U

CN210361148U - Extracting tool of roller bearing outer lane

Info

Publication number: CN210361148U
Application number: CN201920891366.0U
Authority: CN
Inventors: 乔天云; 文佳迪; 杨军文; 王宏伟; 王云祥; 宗洪锋
Original assignee: Hongta Tobacco Group Co Ltd
Current assignee: Hongta Tobacco Group Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-21
Anticipated expiration: 2029-06-14

Abstract

The utility model provides a extracting tool of roller bearing outer lane belongs to tobacco machinery equipment maintenance technical field, the extracting tool of roller bearing outer lane include T type connecting block, single arm-drag, interval adjusting device and positioning bolt. This extracting tool of roller bearing outer lane, two single arm-drag apertures have certain control range, can dismantle the workshop with roller diameter range 40 mm-80 mm's bearing outer lane, the arc mesa of controlling the single arm-drag is the face contact with the bearing outer lane, the atress is even and the contact location is stable, can dismantle the inside bearing outer lane of roller out under the condition that does not harm the roller inner wall, the process that uses instrument to dismantle the bearing outer lane does not have the safety risk, the time spent of enabling to dismantle roller bearing outer lane reduces about 80%, roller bearing's maintenance efficiency has been improved by a wide margin, workman intensity of labour has been reduced, it is in cost reduction and efficiency improvement, positive meaning in the aspect of the lean production.

Description

Extracting tool of roller bearing outer lane

Technical Field

The utility model belongs to the technical field of tobacco machinery equipment maintenance, specifically speaking relates to a extracting tool of roller bearing outer lane.

Background

In a tobacco industry tobacco processing workshop, the rollers are used as important components of workshop conveying equipment, are large in number and mainly bear the functions of bearing, transmission, conveying and the like. Workshop conveying equipment is mostly in the environment that the raise dust is more or moist, and the operation of the long-time area load of roller in addition, the roller bearing is easy corrosion and wearing and tearing, and the workshop is repaired team and is needed in time to dismantle the change to the bearing that damages. According to the response of workshop equipment repair personnel, when the roller bearing is disassembled, the outer ring of the bearing is easy to rust and adhere and is left in the roller, a special tool for taking the roller out is not used, and the existing method for knocking the outer ring of the bearing by an iron stick is only suitable for the roller with a hollow structure and wastes time and labor; for the roller with a non-hollow structure, the roller can only be sent to an external assistant for processing or abandoned for repair, so that the working efficiency of a repairman for maintaining the roller bearing is greatly reduced, and meanwhile, the maintenance cost is increased.

Disclosure of Invention

In order to solve the problem that proposes among the background art, the utility model provides a extracting tool of roller bearing inner race is exclusively used in, dismantles out the bearing inner race that the corrosion adheres to roller inner wall fast high-efficiently, to the efficiency and the effective operation rate of equipment of emergent maintenance in the assurance workshop production, reduce workman intensity of labour very necessary, it is at reducing cost and improving effect, has positive meaning in the aspect of the lean production.

The utility model provides a technical scheme that its technical problem adopted as follows:

the utility model provides a extracting tool of roller bearing outer lane, includes T type connecting block, single arm-drag, interval adjusting device and positioning bolt, T type connecting block on install the single arm-drag that two symmetries set up, the single arm-drag can slide on T type connecting block, through locking screw locking between one of them single arm-drag and the T type connecting block, install the interval adjusting device who is used for adjusting two single arm-drag intervals between two single arm-drag and the positioning bolt who is used for two fixed single arm-drag intervals.

Furthermore, the T-shaped connecting block consists of a pull arm mounting bar and a central upright post, the two pull arms are mounted on the pull arm mounting bar and are positioned on two sides of the central upright post, and threads are arranged on the central upright post.

Further, the single-arm-drag structure comprises an installation part, a positioning part, a disassembly part and a fixing part, wherein the installation part is used for being connected with the single-arm-drag mounting bar, the positioning part is used for installing an interval adjusting device and a positioning bolt, the disassembly part is used for being matched with the outer ring of the bearing, the fixing part is used for being matched with the bottom of the outer ring of the bearing, the installation part is provided with an installation hole, the single-arm-drag structure is inserted in the single-arm-drag mounting bar in a sliding mode through the installation hole, the interval adjusting device is connected with the positioning parts of the two single-arm-drag, the.

Preferably, the distance adjusting device consists of an adjusting bolt and two positioning nuts, the adjusting bolt traverses the two pull arms, the positioning nuts are arranged on the adjusting bolt, and one positioning nut is arranged at the outer side positions of the two pull arms respectively.

Furthermore, the detaching part is of a semi-cylindrical structure.

Furthermore, the fixed part is of a semicircular platform structure, and the curvature radius of the upper end face of the fixed part is larger than the curved surface radius of the detachable part.

The utility model has the advantages that:

this extracting tool of roller bearing outer lane, two single arm-drag apertures have certain control range, can dismantle the workshop with roller diameter range 40 mm-80 mm's bearing outer lane, the arc mesa of controlling the single arm-drag is the face contact with the bearing outer lane, the atress is even and the contact location is stable, can dismantle the inside bearing outer lane of roller out under the condition that does not harm the roller inner wall, the process that uses instrument to dismantle the bearing outer lane does not have the safety risk, the time spent of enabling to dismantle roller bearing outer lane reduces about 80%, roller bearing's maintenance efficiency has been improved by a wide margin, workman intensity of labour has been reduced, it is in cost reduction and efficiency improvement, positive meaning in the aspect of the lean production.

Drawings

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

FIG. 2 is a schematic view of the T-shaped connecting block of the present invention;

FIG. 3 is a schematic view of the structure of the arm of the present invention;

fig. 4 is a schematic view of the utility model.

In the figure, 1-a central upright post, 2-a pull arm mounting strip, 3-a pull arm, 4-an adjusting bolt, 5-a positioning bolt, 6-a positioning nut, 7-a locking screw, 8-an installation part, 9-a positioning part, 10-a disassembly part and 11-a fixing part.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

As shown in figures 1-4, a dismounting tool for an outer ring of a roller bearing comprises T-shaped connecting blocks, pull arms 3, a spacing adjusting device and a positioning bolt 5, when in use, the whole dismounting tool is connected with a sliding hammer type puller through the T-shaped connecting blocks, two symmetrically arranged pull arms 3 are arranged on the T-shaped connecting blocks, the pull arms 3 can slide on the T-shaped connecting blocks, one of the pull arms 3 and the T-shaped connecting blocks is locked through a locking screw 7, the spacing adjusting device for adjusting the spacing between the two pull arms 3 and the positioning bolt 5 for fixing the spacing between the two pull arms 3 are arranged between the two pull arms 3, the two pull arms 3 are used for fixing the dismounting tool and the outer ring of the bearing to be dismounted, so that the dismounting tool and the outer ring of the bearing cannot slip when the puller is pulled, the spacing between the two pull arms 3 can be adjusted, and the spacing adjusting device and the positioning bolt 5 are matched with each other, the distance between the two pull arms 3 can be fixed at a certain specific size, so that the pull arms are matched with the inner diameter of the bearing outer ring to be disassembled, and the disassembly tool and the bearing outer ring can be stably fixed. This extracting tool of roller bearing outer lane, 3 apertures of two single arms have certain control range, can dismantle the workshop with roller diameter range 40 mm-80 mm's bearing outer lane, the arc mesa of controlling single arm-drag 3 is the face contact with the bearing outer lane, the atress is even and the contact location is stable, can dismantle the inside bearing outer lane of roller out under the condition that does not harm the roller inner wall, the process that uses instrument to dismantle the bearing outer lane does not have the safety risk, the time spent of enabling to dismantle roller bearing outer lane reduces about 80%, roller bearing's maintenance efficiency has been improved greatly, workman intensity of labour has been reduced, it is reducing the cost and improving effect, positive meaning in the aspect of the lean production.

T type connecting block for "T" style of calligraphy structure that 3 mounting bars 2 of single arm-drag and center column 1 are constituteed, two single arm-drag 3 are installed on 3 mounting bars 2 of single arm-drag, terminal surface processing has the chamfer under 3 mounting bars 2 of single arm-drag, avoids the staff by the fish tail when using, is provided with the screw thread on the center column 1 for connect smooth hammer formula puller.

3 top-down of single arm-drag 3 by be used for with the installation department 8 that arm-drag 3 mounting bar 2 is connected in proper order, a location portion 9 for installing interval adjusting device and positioning bolt 5, a dismantlement portion 10 for cooperating the bearing inner race and be used for with bearing inner race bottom complex fixed part 11 and constitute, installation department 8 and location portion 9 are the cuboid, the mounting hole has been seted up to installation department 8, arm-drag 3 slides the cartridge on arm-drag 3 mounting bar 2 through the mounting hole, 8 front fastening on arm-drag 3 mounting bar 2 through locking screw 7 in the installation department of one of them arm-drag 3. Dismantlement portion 10 is the semicylindrical structure, during the dismantlement, and dismantlement portion 10 is used for laminating bearing inner race inner wall, guarantees to closely cooperate between extracting tool and the bearing inner race, and its curved surface radius is 23mm, and length is 50mm, fixed part 11 be half round platform structure, 11 up end curvature radius of fixed part are greater than the 10 curved surface radius of dismantlement portion, and its up end curvature radius is 26mm, and section curvature radius is 23mm down, during the dismantlement, 11 up end of fixed part support the area and dismantle the lower section of bearing inner race, avoid bearing inner race slippage extracting tool. The spacing adjusting device is connected with the positioning parts 9 of the two pull arms 3 and consists of an adjusting bolt 4 and two positioning nuts 6. Adjusting bolt 4 crosses two single arms 3, and as preferred, adjusting bolt 4 is apart from 9 up end 36.5mm in location portion, and set nut 6 installs on adjusting bolt 4, and respectively installs one in two single arms 3 outside position department, through the interval between two set nut 6 of adjustment, can change the interval between two single arms 3, and simultaneously, two set nut 6 play limiting displacement to its inboard single arm 3, avoid the interval increase between two single arms 3. The positioning bolt 5 is installed on the positioning part 9 of one of the pull arms 3 through threaded connection, the tail end of the positioning bolt abuts against the inner side of the positioning part 9 of the other pull arm 3, the inner sides of the two pull arms 3 are limited through the positioning bolt 5, the positioning bolt 5 is matched with an interval adjusting device to enable the interval between the two pull arms 3 to be maintained at a certain specific size, the size is determined according to the inner diameter of a bearing to be disassembled, when the positioning bolt 5 is adjusted, the positioning nut 6 of the left pull arm 3 is loosened, the left pull arm 3 and the right pull arm 3 are separated through rotating the adjusting bolt 4, meanwhile, a tool is moved axially along the roller until the half-round surface of the disassembling part 10 of the pull arm 3 is adjusted to be in full contact; and the positioning nut 6 and the positioning bolt 5 are screwed down, so that the stability of the opening of the two pull arms 3 is ensured.

The utility model discloses a use:

fixing a roller to be disassembled by using a bench vice, putting the arc ends of two pull arms 3 of the tool into the roller and crossing the outer ring of a bearing, loosening a positioning nut 6 of the left pull arm 3, rotating an adjusting bolt 4 to separate the left pull arm and the right pull arm 3, and simultaneously moving the tool along the axial direction of the roller until the half-round surface of a disassembling part 10 of the pull arm 3 is adjusted to be fully contacted with the inner wall of the outer ring of the bearing and not to generate friction with the inner wall of the roller; screwing the positioning nut 6 and the positioning bolt 5 tightly to ensure the stable opening of the two pull arms 3; loosening the locking screw 7, adjusting the central axis of the central upright post 1 of the T-shaped connecting block to coincide with the central axis of the roller, then screwing the locking screw 7, connecting a sliding hammer type puller on the central upright post 1 of the T-shaped connecting block, and sliding the sliding hammer until the outer ring of the bearing is detached; and taking down the outer ring of the bearing, and recovering the tool to the initial state of the two pull arms 3 which are closed.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The tool for disassembling the outer ring of the roller bearing is characterized by comprising T-shaped connecting blocks, pull arms, an interval adjusting device and positioning bolts, wherein the two pull arms which are symmetrically arranged are mounted on the T-shaped connecting blocks, the pull arms can slide on the T-shaped connecting blocks, one of the pull arms and the T-shaped connecting blocks is locked through a locking screw, and the interval adjusting device for adjusting the interval between the two pull arms and the positioning bolts for fixing the interval between the two pull arms are mounted between the two pull arms.

2. The roller bearing outer ring removal tool according to claim 1, wherein: the T-shaped connecting block is composed of a pull arm mounting bar and a central upright post, the two pull arms are mounted on the pull arm mounting bar and located on two sides of the central upright post, and threads are arranged on the central upright post.

3. The roller bearing outer ring removal tool according to claim 2, wherein: the pull arm sequentially comprises an installation part, a positioning part, a disassembly part and a fixing part, wherein the installation part is used for being connected with the pull arm installation strip, the positioning part is used for installing an interval adjusting device and a positioning bolt, the disassembly part is used for being matched with the bearing outer ring, the fixing part is used for being matched with the bottom of the bearing outer ring, the installation part is provided with an installation hole, the pull arm is inserted on the pull arm installation strip in a sliding mode through the installation hole, the interval adjusting device is connected with the positioning parts of the two pull arms, the positioning bolt is installed in the positioning part of one pull arm through threaded connection, and the tail.

4. A roller bearing outer race removal tool according to claim 1 or 3, characterized in that: the distance adjusting device consists of an adjusting bolt and two positioning nuts, the adjusting bolt penetrates through the two pull arms, the positioning nuts are installed on the adjusting bolt, and one positioning nut is installed at the outer side positions of the two pull arms.

5. The roller bearing outer ring removal tool according to claim 3, wherein: the disassembly part is of a semi-cylindrical structure.

6. The roller bearing outer ring removal tool according to claim 5, wherein: the fixing part is of a semicircular platform structure, and the curvature radius of the upper end face of the fixing part is larger than the curved surface radius of the detaching part.