CN216657800U

CN216657800U - Roller bearing seat dismounting device

Info

Publication number: CN216657800U
Application number: CN202123337267.4U
Authority: CN
Inventors: 韩路达; 周琳琳; 权继锋; 刘杰; 王宏星; 刘海明; 周军
Original assignee: Western Energy Material Technologies Co ltd
Current assignee: Xi'an Western New Zirconium Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-03
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a roller bearing block dismounting device which comprises a roller bracket, wherein at least two station grooves for placing rollers are arranged at the top of the roller bracket at intervals in the front-back direction, longitudinal moving rails are respectively arranged at the left side and the right side of the roller bracket, a dismounting trolley is arranged on the moving rails, and the dismounting trolley can carry out dismounting operation on the rollers placed on the different station grooves by moving back and forth on the moving rails; the dismounting trolley comprises a hydraulic lifting mechanism for bearing the roll chock, a dragging mechanism for enabling the roll chock to be separated from the roll, and a roller arranged at the bottom of the hydraulic lifting mechanism. The utility model can finish the dismantling of the old roll chock on the same device, and install the dismantled chock on the new roll, compared with the prior art, the utility model obviously improves the dismantling efficiency; be provided with waste oil collecting tray in addition, can collect the whole waste oil that drip in the bearing frame, prevent to pollute the ground environment.

Description

Roller bearing seat dismounting device

Technical Field

The utility model belongs to the technical field of metal material cold rolling processing, and particularly relates to a roller bearing seat dismounting device.

Background

Cold rolling refers to a processing method of rolling a metal blank into plates of various specifications by using a roller, the production belongs to pressure processing operation, the load impact force is large, the roller surface of the used roller is extremely easy to wear, the roller surface of the roller needs to be frequently ground and repaired, at the moment, bearing blocks at two ends of the roller need to be disassembled firstly, and the disassembly and the assembly are extremely difficult due to the large integral weight of the roller bearing blocks. At present, two methods are generally adopted for disassembling and assembling a roller bearing seat, one method is that a roller is hoisted to a roller frame by using a crown block, then 4-5 workers cooperate with tools such as the crown block to disassemble and assemble the bearing seat, the disassembling and assembling efficiency is low, and a bearing seat shaft sleeve is easy to slip in the disassembling and assembling process, so that certain potential safety hazards exist; secondly, the existing device is adopted for dismounting, the existing bearing seat dismounting device generally only has one dismounting station, the dismounting trolley used in a matched mode is of a fixed structure, dismounting of a bearing seat end cover and a bearing positioning clamping ring and mounting of the clamping ring used for roller supporting and grinding are difficult to carry out, the existing device generally uses a hydraulic cylinder push-pull bearing seat clamping mechanism for dismounting, the clamping mechanism needs to be designed for different specifications of roller bearing seats, the structure is complex, the overall cost is high, and popularization and use in small and medium-sized enterprises are not facilitated.

In view of the above, the present invention provides a device for disassembling and assembling a roll chock, so as to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a roller bearing seat dismounting device to solve the problems that the existing device has few dismounting stations and low dismounting efficiency, a bearing seat shaft sleeve is easy to slip in the dismounting process, a bearing seat end cover and a bearing positioning snap ring are not easy to dismount, a snap ring used for roller backing grinding is not easy to mount, and the application range is narrow.

The purpose of the utility model is solved by the following technical scheme:

the roller bearing seat dismounting device comprises a roller bracket, at least two station grooves used for transversely placing rollers are arranged at the front-back direction of the top of the roller bracket at intervals, longitudinal moving rails are arranged on the left side and the right side of the roller bracket respectively, dismounting trolleys are symmetrically arranged on the moving rails on the two sides of the roller bracket, and the dismounting trolleys can carry out roller bearing seat dismounting operation on rollers placed on different station grooves through moving back and forth on the moving rails.

Furthermore, the dismounting trolley comprises a hydraulic lifting mechanism for bearing the roll chock, a dragging mechanism for enabling the roll chock to be separated from the roll, and a roller wheel arranged at the bottom of the hydraulic lifting mechanism, wherein the roller wheel is connected with the movable rail in a sliding mode, and the dragging mechanism is arranged at one end, far away from the roll chock, of the hydraulic lifting mechanism.

Furthermore, the hydraulic lifting mechanism comprises an upper support frame and a lower support frame, a plurality of groups of hinged arm supports arranged in an X shape are arranged between the upper support frame and the lower support frame, two ends of the uppermost hinged arm support are hinged with the bottom surface of the upper support frame, and two ends of the lowermost hinged arm support are hinged with the surface of the lower support frame;

the hydraulic lifting mechanism further comprises a hydraulic cylinder and a control handle for controlling the hydraulic cylinder, a cylinder barrel of the hydraulic cylinder is hinged with the lower support frame, and a piston rod of the hydraulic cylinder is hinged with the hinged arm support.

Furthermore, the number of the moving tracks on each side is two, the moving tracks are arranged in parallel, and the number of the rollers is four, and the rollers are arranged at four corners of the lower supporting frame;

every diameter in the middle of the gyro wheel is less than both sides diameter, the gyro wheel card is on moving the track, and every moves orbital outside and is provided with the baffle, prevents that the gyro wheel from breaking away from moving the track.

Furthermore, the dragging mechanism comprises a screw lifting unit fixedly arranged on the lower support frame, a pulling unit and an upright post which are arranged at the top of the screw lifting unit, and a sliding unit arranged on the upper support frame;

the sliding unit comprises two sliding rails which are arranged on the surface of the upper supporting frame in parallel, a sliding block is mounted on each sliding rail, and a bearing seat supporting plate is arranged at the top of each sliding block.

Furthermore, waist holes are formed in four corners of the bearing seat supporting plate, and each waist hole is provided with a bolt assembly for preventing the roller bearing seat from falling off.

Further, the screw rod lifting unit comprises a plurality of sleeves fixedly installed on the lower supporting frame, each sleeve is internally provided with a loop bar, the top of each loop bar is provided with a fixing platform, and a connecting plate between each fixing platform and each sleeve is connected with the corresponding sleeve through a screw rod in a threaded mode.

Furthermore, a T-shaped groove is formed in the fixed platform, manual winches of the stand column and the pulling unit are installed on the T-shaped groove, lifting lugs are installed on the stand column, a steel wire rope is wound on the manual winches, a pulley block is arranged on the steel wire rope, the tail end of the steel wire rope is provided with a lifting hook matched with the lifting lugs of the stand column, and a ratchet handle for controlling the steel wire rope to stretch and retract is further arranged on the manual winches.

Furthermore, a plurality of through holes are formed in the moving track at intervals, and the through holes are used for limiting the positions of the dismounting trolley in different station grooves by inserting positioning pins.

Furthermore, waste oil collecting trays are arranged on two sides of the roller bracket, and the movable rails are installed in the waste oil collecting trays.

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

1. the utility model relates to a roller bearing seat dismounting device, which comprises two dismounting stations, wherein two movable dismounting trolleys are arranged on two sides of the dismounting stations, the dismounting trolleys are connected with the dismounting stations through positioning pins and used for limiting the positions of the dismounting trolleys, and the dismounting trolleys are provided with lifting platforms and dragging mechanisms composed of winches, pulley blocks, steel wire ropes, hooks, bearing seat supporting plates and the like, so that the dismounting can be carried out on roller bearing seats with different specifications, the dismounting of old roller bearing seats can be completed on the same device, and the dismounted bearing seats are arranged on new rollers, thereby improving the dismounting efficiency; compared with the prior art, the dismounting structure of the device can be adjusted according to different specifications of roller bearing blocks and the trolley can be placed at different stations according to requirements, so that the problem that a bearing block shaft sleeve is easy to slip in the dismounting process in the prior art and the problems that a bearing block end cover and a bearing positioning snap ring are not easy to dismount and mount and a snap ring used for roller supporting and grinding is not easy to mount are solved; meanwhile, the device is simple in structure, reasonable in design, convenient to operate, low in manufacturing cost, strong in practicability and convenient to popularize and use.

2. According to the roller bearing block dismounting device, the waste oil collecting discs are arranged on the two sides of the roller bracket, and the movable rails are arranged in the waste oil collecting discs, so that when the roller bearing block is dismounted, all waste oil dripped in the bearing block can be collected, and further the pollution to the ground environment is prevented.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of a mounting and dismounting device for a roll chock according to the present invention;

FIG. 2 is a front view of a mounting and dismounting device for a roll chock according to the present invention;

FIG. 3 is a schematic view of the structure of the cart for assembly and disassembly according to the present invention.

Wherein: 1 is a roller bracket; 2 is a moving track; 3 is a dismounting trolley; 4 is a bolt component; 5 is a positioning pin; 6 is a waste oil collecting tray; 11 is a station groove; 21 is a baffle plate; 31 is a hydraulic lifting mechanism; 32 is a dragging mechanism; 33 is a roller; 311 is an upper supporting frame; 312 is a lower support frame; 313 is a hinged arm support; 314 is a hydraulic cylinder; 315 is a control handle; 321 is a lifting unit; 322 is a pulling unit; 323 is a slide unit; 324 is a column; 3211 is a sleeve; 3212 is a sleeve rod; 3213 is a fixed platform; 3214 is a connecting plate; 3215 is a screw; 3221 is a manual winch; 3222 is a pulley block; 3223 is a hook; 3224 is a ratchet handle; 3231 is a slide rail; 3232 is a slide block; 3233 is a bearing support plate; a is a roller; a1 is a roll chock.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the utility model, as detailed in the appended claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and examples.

Referring to fig. 1 to 3, the utility model provides a device for disassembling and assembling a roll chock, which comprises a vertically arranged roll bracket 1, wherein a plurality of station grooves 11 for transversely placing a roll a are arranged at intervals in the front-back direction of the top of the roll bracket 1, for example, two station grooves 11 are arranged in the embodiment, the station grooves 11 are matched with other structures to fix the roll a, longitudinal moving rails 2 are respectively arranged on the left side and the right side of the roll bracket 1, disassembling and assembling trolleys 3 are symmetrically arranged on the moving rails 2 on the two sides of the roll bracket 1, and the disassembling and assembling trolleys 3 can perform disassembling and assembling operation on the roll chock a1 on the roll a placed on the different station grooves 11 by moving back and forth on the moving rails 2.

Specifically, the disassembly and assembly trolley 3 in the embodiment of the utility model comprises a hydraulic lifting mechanism 31 for bearing the roll chock A1, a dragging mechanism 32 for separating the roll chock A1 from the roll A, and a roller 33 arranged at the bottom of the hydraulic lifting mechanism 31, wherein the roller 33 is in sliding connection with the moving track 2, and the dragging mechanism 32 is arranged at one end, away from the roll chock A1, of the hydraulic lifting mechanism 31. Preferably, this embodiment moves track 2 and is two, and mutual parallel arrangement, and gyro wheel 33 is four, and installs the four corners of lower carriage 315 in hydraulic pressure elevating system 31, and the diameter in the middle of every gyro wheel 33 is less than both sides diameter, and gyro wheel 33 card is on moving track 2, and every outside of moving track 2 is provided with baffle 21, prevents that gyro wheel 33 from breaking away from moving track 2, through above setting, can guarantee the even running of dismouting dolly 3 on moving track 2.

The hydraulic lifting mechanism 31 comprises an upper support frame 311 and a lower support frame 312, wherein a plurality of groups of hinged arm supports 313 arranged in an X shape are arranged between the upper support frame 311 and the lower support frame 312, two ends of the uppermost hinged arm support 313 are hinged with the bottom surface of the upper support frame 311, and two ends of the lowermost hinged arm support 313 are hinged with the surface of the lower support frame 312; the hydraulic lifting mechanism 31 further comprises a hydraulic cylinder 314 and a control handle 315 for controlling the hydraulic cylinder 314, wherein a cylinder barrel of the hydraulic cylinder 314 is hinged with the lower support frame 312, and a piston rod of the hydraulic cylinder 314 is hinged with the hinged arm support 313. Through the arrangement of the hydraulic lifting mechanism 31, the hinged arm supports 313 arranged in an X shape can be deformed through the control handle 315 according to the specification and size of the roll chock A1, so that the upper support frame 311 and the lower support frame 312 are separated, and the roll chock A1 can be lifted.

In addition, the dragging mechanism 32 according to the embodiment of the present invention includes a screw rod lifting unit 321 fixedly disposed on the lower support frame 312, a pulling unit 322 disposed on the top of the screw rod lifting unit 321, and a sliding unit 323 disposed on the upper support frame 311; the sliding unit 323 comprises two sliding rails 3231 transversely arranged on the surface of the upper support frame 311 in parallel, a sliding block 3232 is mounted on the sliding rail 3231, a bearing block support plate 3233 is arranged at the top of the sliding block 3232, and the bearing block support plate 3233 is used for dragging and carrying the roller bearing block a 1.

Preferably, long waist holes are all seted up at the four corners of this embodiment bearing frame layer board 3233, install the bolt assembly 4 (screw and nut) that is used for preventing roll chock A1 and drops on every long waist hole, and the position of locating through bolt assembly 4 at long waist hole is different, can be with the roll chock A1 bumping post of different specifications, prevents that it from dropping when moving on slider 3232.

Specifically, this embodiment screw rod elevating unit 321 includes many sleeves 3211 of fixed mounting at the bottom suspension strut 312, all is provided with the loop bar 3212 in every sleeve 3211, and the top of many loop bars 3212 is provided with fixed platform 3213, and connecting plate 3214 between fixed platform 3213 and the sleeve 3211 passes through the screw 3215 spiro union, through positive and negative rotatory screw 3215, can adjust fixed platform 3213's height.

A T-shaped groove is formed in the surface of the fixed platform 3213 in this embodiment, a manual winch 3221 of the pulling unit 322 is installed on the T-shaped groove, a steel wire rope is wound on the manual winch 3221, a pulley block 3222 is arranged on the steel wire rope, a lifting hook 3223 matched with the lifting lug of the upright 324 is arranged at the tail end of the steel wire rope, and a ratchet handle 3224 for controlling the steel wire rope to stretch and retract is further arranged on the manual winch 3221. Through the arrangement, the manual winch 3221 can be fixed at different positions of the T-shaped groove as required to adapt to the roller bearing seats A1 with different specifications, the steel wire rope and the lifting hook 3223 are guaranteed to be in a parallel state when the roller bearing seats A1 are dragged, and the roller bearing seats A1 are prevented from deflecting when the roller bearing seats A1 are dragged.

Preferably, in order to improve the dismounting efficiency of the device, a plurality of through holes are arranged on the moving track 2 at intervals, and the through holes are used for limiting the positions of the dismounting trolley 3 in the grooves 11 of different stations by inserting the positioning pins 5, so that the dismounting trolley 3 can be quickly positioned to the dismounting station, and the quick dismounting of the bearing seat is facilitated.

Preferably, the waste oil collecting trays 6 are arranged on two sides of the roller bracket 1, the moving rails 2 are arranged in the waste oil collecting trays 6, and the waste oil dropping from the roller bearing seat A1 can be completely collected by arranging the waste oil collecting trays 6, so that the pollution to the ground environment is prevented.

The working process of the utility model is as follows (the working process is explained by combining with the attached figure 1, the working process is that the working position is defined as No. 2 station with the roller A, and the working process is that the working position is defined as No. 1 station without the roller A):

placing a new roller A on the station No. 1, placing a roller A to be ground on the station No. 2, then moving the dismounting trolleys 3 on the two sides of the roller bracket 1 to the two sides of the roller A to be ground, inserting the positioning pins 5 into the through holes on the movable rail 2, and locking the position of the dismounting trolleys 3; then the control handle 315 is driven to lift the hydraulic lifting mechanism 31 until the surface of the chock plate 3233 contacts the bottom of the roll chock a1, at this time, the connection between the roll chock a1 and the roll a is released through the bolt assembly 4 at the periphery of the roll chock a 1; meanwhile, the manual winch 3221 is adjusted to be basically level with the roller bearing seat A1 through the screw rod lifting unit 321, the pulley block 3222 is hung on a lifting lug of the roller bearing seat A1, the lifting hook 3223 is hung on a lifting lug of the upright post 324, and the ratchet wheel handle 3224 is pulled to enable the roller bearing seat A1 to be separated from the roller A, so that the roller bearing seat A1 is disassembled. Similarly, the roll chock a1 on the other side can be removed simultaneously.

When the roll chock A1 at the two ends of the roll A to be ground are all dismantled, the positioning pin 5 is pulled out, the dismounting trolley 3 with the roll chock A1 at the two sides is moved to the two sides of the No. 1 station, then the positioning pin 5 is inserted to lock the position of the dismounting trolley 3, and the roll chock A1 is installed on a new roll A in sequence for use, and the roll A to be ground is ground, so that seamless rail jointing is realized, the utilization rate of the roll A is improved, and efficient cold rolling production is achieved.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.

It will be understood that the utility model is not limited to what has been described above and that various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. The roller bearing seat dismounting device is characterized by comprising a roller bracket (1), wherein at least two station grooves (11) for transversely placing rollers (A) are formed in the front-back direction of the top of the roller bracket (1) at intervals, longitudinal moving rails (2) are respectively arranged on the left side and the right side of the roller bracket (1), dismounting trolleys (3) are symmetrically installed on the moving rails (2) on the two sides of the roller bracket (1), and the dismounting trolleys (3) can carry out dismounting operation on the roller bearing seats (A1) on the rollers (A) placed on different station grooves (11) through front-back movement on the moving rails (2).

2. The roll chock dismounting device according to claim 1, wherein the dismounting trolley (3) comprises a hydraulic lifting mechanism (31) for bearing the roll chock (A1) and a dragging mechanism (32) for separating the roll chock (A1) from the roll (A), and a roller (33) arranged at the bottom of the hydraulic lifting mechanism (31), the roller (33) is in sliding connection with the moving track (2), and the dragging mechanism (32) is arranged at one end of the hydraulic lifting mechanism (31) far away from the roll chock (A1).

3. The device for dismounting and mounting the roll chock according to claim 2, wherein the hydraulic lifting mechanism (31) comprises an upper support frame (311) and a lower support frame (312), a plurality of groups of hinged arm supports (313) arranged in an X shape are arranged between the upper support frame (311) and the lower support frame (312), two ends of the uppermost hinged arm support (313) are hinged with the bottom surface of the upper support frame (311), and two ends of the lowermost hinged arm support (313) are hinged with the surface of the lower support frame (312);

the hydraulic lifting mechanism (31) further comprises a hydraulic cylinder (314) and a control handle (315) for controlling the hydraulic cylinder (314), a cylinder barrel of the hydraulic cylinder (314) is hinged with the lower support frame (312), and a piston rod of the hydraulic cylinder (314) is hinged with the hinged arm support (313).

4. The roll chock dismounting device according to claim 3, wherein said moving rails (2) are two at each side and arranged in parallel with each other, and said rollers (33) are four and mounted at four corners of the lower supporting frame (312);

the diameter in the middle of each roller (33) is smaller than the diameters of the two sides, the rollers (33) are clamped on the moving tracks (2), and the baffle plates (21) are arranged on the outer sides of the moving tracks (2) to prevent the rollers (33) from being separated from the moving tracks (2).

5. The device for dismounting and mounting a chock according to claim 3, wherein said dragging mechanism (32) comprises a screw rod lifting unit (321) fixedly arranged on the lower supporting frame (312), a pulling unit (322) and a column (324) arranged on the top of the screw rod lifting unit (321), and a sliding unit (323) arranged on the upper supporting frame (311);

the sliding unit (323) comprises two sliding rails (3231) which are arranged on the surface of the upper supporting frame (311) in parallel, a sliding block (3232) is mounted on each sliding rail (3231), and a bearing seat supporting plate (3233) is arranged at the top of each sliding block (3232).

6. The device for dismounting and mounting the roll chock according to claim 5, characterized in that waist holes are formed in four corners of the chock supporting plate (3233), and each waist hole is provided with a bolt assembly (4) for preventing the roll chock (A1) from falling off.

7. The device for disassembling and assembling the roll chock according to claim 5, wherein the screw lifting unit (321) comprises a plurality of sleeves (3211) fixedly installed on the lower support frame (312), each sleeve (3211) is internally provided with a loop bar (3212), the top of each loop bar (3212) is provided with a fixed platform (3213), and a connecting plate (3214) between the fixed platform (3213) and the sleeve (3211) is in threaded connection through a screw (3215).

8. The device for disassembling and assembling the roll chock according to claim 7, wherein a T-shaped groove is formed in the fixed platform (3213), the upright column (324) and the manual winch (3221) of the pulling unit (322) are both installed on the T-shaped groove, a lifting lug is installed on the upright column (324), a steel wire rope is wound on the manual winch (3221), a pulley block (3222) is arranged on the steel wire rope, a lifting hook (3223) matched with the lifting lug of the upright column (324) is arranged at the tail end of the steel wire rope, and a ratchet handle (3224) for controlling the steel wire rope to stretch and retract is further arranged on the manual winch (3221).

9. The device for dismounting and mounting a chock according to claim 1, characterised in that the moving track (2) is provided with a plurality of through holes at intervals, and the through holes are used for limiting the positions of the dismounting and mounting trolley (3) in the different station grooves (11) by inserting positioning pins (5).

10. The device for assembling and disassembling the roll chock according to any one of claims 1 to 9, characterized in that waste oil collecting trays (6) are arranged on both sides of the roll bracket (1), and the moving rails (2) are installed in the waste oil collecting trays (6).