CN219946081U - Online replacement tool for guide wheel bearing - Google Patents

Abstract

The utility model discloses an online replacement tool for a guide wheel bearing, which comprises a supporting seat and at least two supporting wheels, wherein each supporting wheel is rotatably arranged on the supporting seat, the axis of each supporting wheel is parallel to the axis of a guide wheel, and a supporting area for limiting the radial displacement of the guide wheel is formed between each supporting wheels. The guide wheel bearing online replacement tool can replace damaged bearings online, is more convenient to operate, and cannot influence production efficiency.

Description

Online replacement tool for guide wheel bearing

Technical Field

The utility model relates to the technical field of bearing installation auxiliary equipment, in particular to an online replacement tool for a guide wheel bearing.

Background

Currently, guide wheels are commonly used in many plants, for example, in steel mills, for lifting devices for feeding the raw materials to above the furnace.

As shown in fig. 1 and 2, a conventional guide wheel 100 is generally fixed by a bearing 200 and a bearing housing 300. During use, the bearings 200 on the guide wheel 100 are easily damaged due to long-term heavy loads, so that frequent replacement of the bearings 200 is required. However, before replacing the damaged bearing 200, the equipment needs to be stopped for replacement, which seriously affects the production efficiency and makes the operation complicated.

Therefore, how to improve the existing bearing replacement mode to overcome the above-mentioned shortcomings is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide an online replacement tool for a guide wheel bearing, which is convenient to operate, can be replaced online and avoids influencing production efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an online frock of changing of guide pulley bearing, includes supporting seat and at least two supporting wheels, each the supporting wheel all rotationally set up in the supporting seat, each the axis of supporting wheel is on a parallel with the axis of guide pulley, each be formed with between the supporting wheel be used for limiting the guide pulley produces radial displacement's support region.

Preferably, the number of the supporting wheels is two.

Preferably, the horizontal distance between the two supporting wheels is an adjustable structure.

Preferably, the height between the supporting wheel and the supporting seat is an adjustable structure.

Preferably, the horizontal distance between the two supporting wheels is an adjustable structure, and the height between the supporting wheels and the supporting seat is an adjustable structure.

Preferably, the guide wheel bearing online replacement tool further comprises a guide rail, a sliding frame, a lifting mechanism and a driving mechanism; the guide rail is connected with the supporting seat through the lifting mechanism, so that the guide rail is driven to move up and down through the lifting mechanism; the number of the sliding frames is two, the two sliding frames can be connected to the guide rail in a left-right sliding manner, and the two supporting wheels are respectively and rotatably arranged on the two sliding frames; the driving mechanism is arranged on the guide rail and is used for driving the sliding frame to slide left and right.

Preferably, the driving mechanism comprises a first screw rod and a first driving piece, the first screw rod is rotatably arranged on the guide rail, the axis of the first screw rod is arranged along the left-right direction, two sections of first threads are arranged on the first screw rod, and the spiral directions of the two sections of first threads are opposite; the two sliding frames are respectively provided with a first connecting hole, the two first connecting holes are respectively connected with the two sections of the first threads in a threaded mode, and the first driving piece is used for driving the first screw rod to rotate, so that the two sliding frames are forced to slide oppositely or slide back to back at the same time.

Preferably, the first driving piece comprises a worm wheel, a worm and a first handle, and the worm wheel is coaxially arranged on the first screw rod; the worm is rotatably arranged on the guide rail and meshed with the worm wheel; the first handle is arranged at the end part of the worm and is used for manually rotating the worm, so that the worm wheel drives the first screw rod to rotate.

Preferably, the lifting mechanism comprises a second driving piece and two groups of lifting components, and the two groups of lifting components are arranged in a bilateral symmetry manner; each group of lifting components comprises two first connecting rods, two second connecting rods and a fixed rod, one ends of the two first connecting rods are respectively hinged to the front side and the rear side of the guide rail, and the other ends of the two first connecting rods are respectively hinged to the front end and the rear end of the fixed rod; one ends of the two second connecting rods are respectively hinged to the front side and the rear side of the supporting seat, and the other ends of the two second connecting rods are respectively hinged to the front end and the rear end of the fixed rod; a second connecting hole is formed between the two ends of the fixed rod in a left-right penetrating manner; the second driving piece comprises a second screw rod and a second handle, two sections of second threads are arranged on the second screw rod, and the spiral directions of the two sections of second threads are opposite; the two second connecting holes are respectively connected with the two sections of second threads in a threaded mode, the second handle is arranged at the end portion of the second screw rod and is used for rotating the second screw rod, and therefore the two fixing rods are forced to slide oppositely or slide back to back simultaneously.

Preferably, the supporting wheel is provided with a limiting part, and the limiting part is used for limiting the guide wheel to generate axial displacement.

Compared with the prior art, the utility model has the beneficial effects that: when the fixture is adopted to assist in replacing damaged bearings, the supporting seat is only required to be placed below the guide wheels, and each supporting wheel is supported on the guide wheels along the radial direction of the guide wheels, so that the supporting area formed between each supporting wheel is supported on the guide wheels, and the radial displacement of the guide wheels is further limited; at this time, since each supporting wheel can rotate, the rotation of the guide wheel is not affected, so that the normal operation of the guide wheel is maintained, and the bearing seat is directly detached to replace the damaged bearing under the condition that the equipment normally operates. According to the tool, the damaged bearing can be replaced on line, the operation is more convenient, and the production efficiency cannot be affected.

Drawings

Fig. 1 is a schematic view of a prior art guide wheel assembly.

Fig. 2 is an enlarged view of the bearing and bearing housing of fig. 1.

Fig. 3 is a perspective view of an online replacement tool for a guide wheel bearing.

FIG. 4 is an exploded view of the online replacement tooling for the guide wheel bearing of FIG. 3 provided by the present utility model.

FIG. 5 is an enlarged left side view of the idler and carriage of FIG. 4 according to the present disclosure.

Fig. 6 is an enlarged view of the first lead screw (part) and worm gear of fig. 4 provided by the present utility model.

Fig. 7 is an enlarged view of the worm and first handle of fig. 4 provided by the present utility model.

Fig. 8 is an enlarged view of the guide rail, the lifting mechanism and the supporting seat in fig. 4 according to the present utility model.

Fig. 9 is an enlarged view of a portion of the fig. 8 section I provided by the present utility model.

Fig. 10 is an enlarged view of the second driving member of fig. 4 provided by the present utility model.

Fig. 11 is an enlarged view of part II in fig. 10 provided by the present utility model.

FIG. 12 is a view of an on-line replacement tool for a guide wheel bearing of FIG. 3 according to the present utility model.

Fig. 13 is a left side view of the structures of fig. 12 provided by the present utility model.

Fig. 14 is a cross-sectional view taken along line A-A of fig. 13 provided in accordance with the present utility model.

Fig. 15 is an enlarged view of a portion of fig. 14 at III, provided by the present utility model.

In the figure: 1. a support base; 11. a mounting hole; 2. a support wheel; 21. a limit part; 3. a guide rail; 4. a carriage; 41. a first connection hole; 5. a driving mechanism; 51. a first screw rod; 511. a first thread; 52. a first driving member; 521. a worm wheel; 522. a worm; 523. a first handle; 6. a lifting mechanism; 61. a second driving member; 611. a second screw rod; 6111. a second thread; 612. a second handle; 62. a lifting assembly; 621. a first link; 622. a second link; 623. a fixed rod; 6231. a second connection hole; 100. a guide wheel; 200. a bearing; 300. and a bearing seat.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 3 and 12 to 14, an embodiment of the present utility model provides an online replacement tool for a guide wheel bearing, which includes a support base 1 and at least two support wheels 2, wherein each support wheel 2 is rotatably disposed on the support base 1, an axis of each support wheel 2 is parallel to an axis of a guide wheel 100, and a support area for limiting radial displacement of the guide wheel 100 is formed between each support wheel 2.

The working principle of the tool is as follows: as shown in fig. 12 and 14, during replacement, the supporting seat 1 is firstly placed under the guide wheel 100, and each supporting wheel 2 is supported on the guide wheel 100 along the radial direction of the guide wheel 100, so that the supporting area formed between each supporting wheel 2 is supported on the guide wheel 100, and the radial displacement of the guide wheel 100 is further limited; at this time, since each supporting wheel 2 can be rotated, the rotation of the guide wheel 100 is not affected, so that the normal operation of the guide wheel 100 is maintained, and the bearing 200 is directly removed to replace the damaged bearing 200 in the case of normal operation of the apparatus. From the above, the damaged bearing 200 can be replaced on line by the tool, so that the operation is more convenient, and the production efficiency is not affected.

Referring to fig. 5, 12 and 13, in some embodiments of the present utility model, a limiting portion 21 is provided on the supporting wheel 2, and the limiting portion 21 is used to limit the axial displacement of the guide wheel 100. The limiting part 21 can axially limit the guide wheel 100 under the condition of not influencing the rotation of the guide wheel 100, so that the stability of the operation of the guide wheel 100 is improved.

It should be understood that the limiting portion 21 can be axially positioned with the annular groove on the outer ring surface of the guide wheel 100, and the limiting portion 21 is preferably in a trapezoid structure so as to adapt to annular grooves with different sizes. Naturally, the limiting portions 21 may be provided on both sides of the supporting wheel 2, so as to be clamped on both sides of the guide wheel 100, and may also perform an axial limiting function on the guide wheel 100.

Referring to fig. 3 and 4, in some embodiments of the present utility model, the number of the support wheels 2 is preferably two in order to make the overall structure simpler and the operation more convenient.

Referring to fig. 14, in some embodiments of the present utility model, the horizontal spacing between the two supporting wheels 2 is an adjustable structure, so as to adjust the contact position between the two supporting wheels 2 and the guide wheel 100, so as to improve the supporting effect on the guide wheel 100; of course, the guide wheels 100 with different sizes can be adapted, so that the universality is improved.

Referring to fig. 14, in some embodiments of the present utility model, the positions of the supporting seat 1 fixed under the guide wheel 100 are different due to different places of actual use, and the height between the supporting wheel 2 and the supporting seat 1 is designed to be an adjustable structure, so that the present utility model can adapt to the use requirements in more occasions, and has strong universality.

Of course, as shown in fig. 14, the horizontal distance between the two supporting wheels 2 is an adjustable structure, and when the height between the supporting wheels 2 and the supporting seat 1 is designed into an adjustable structure, the guide wheels 100 with different sizes and the use requirements in more occasions can be adapted at the same time, so that the universality is stronger.

It should be understood that there are numerous specific structures for achieving the adjustment of the horizontal spacing between the two support wheels 2 and for achieving the adjustment of the height between the support wheels 2 and the support, only one specific structure is provided for reference in the present utility model: as shown in fig. 3 and 4, the guide wheel bearing online replacement tool also comprises a guide rail 3, a sliding frame 4, a lifting mechanism 6 and a driving mechanism 5; the guide rail 3 is connected with the supporting seat 1 through the lifting mechanism 6, so that the guide rail 3 is driven to move up and down through the lifting mechanism 6; the number of the sliding frames 4 is two, the two sliding frames 4 can be connected to the guide rail 3 in a left-right sliding manner, and the two supporting wheels 2 are respectively and rotatably arranged on the two sliding frames 4; the driving mechanism 5 is provided on the guide rail 3, and the driving mechanism 5 is used for driving the carriage 4 to slide left and right.

Referring to fig. 4 and 5, in some embodiments of the present utility model, the driving mechanism 5 includes a first screw rod 51 and a first driving member 52, the first screw rod 51 is rotatably mounted on the guide rail 3, an axis of the first screw rod 51 is arranged along a left-right direction, two sections of first threads 511 are provided on the first screw rod 51, and spiral directions of the two sections of first threads 511 are opposite; the two sliding frames 4 are respectively provided with a first connecting hole 41, the two first connecting holes 41 are respectively connected with two sections of first threads 511 in a threaded manner, and the first driving piece 52 is used for driving the first screw rod 51 to rotate, so that the two sliding frames 4 are forced to slide in opposite directions or slide in opposite directions. The rotation installation mode of the first screw rod 51 is the prior art, and will not be described in detail herein.

Referring to fig. 4, 6 and 7, in some embodiments of the present utility model, the first driving member 52 includes a worm wheel 521, a worm 522 and a first handle 523, and the worm wheel 521 is coaxially disposed on the first screw 51; a worm 522 is rotatably installed to the guide rail 3, and the worm 522 is engaged with the worm wheel 521; the first handle 523 is disposed at an end of the worm 522, and the first handle 523 is used for manually rotating the worm 522, so as to drive the first screw 51 to rotate through the worm wheel 521.

Referring to fig. 4 and 8-11, in some embodiments of the present utility model, the lifting mechanism 6 includes a second driving member 61 and two sets of lifting assemblies 62, where the two sets of lifting assemblies 62 are symmetrically arranged; each group of lifting components 62 comprises two first connecting rods 621, two second connecting rods 622 and a fixed rod 623, wherein one ends of the two first connecting rods 621 are respectively hinged to the front side and the rear side of the guide rail 3, and the other ends of the two first connecting rods 621 are respectively hinged to the front end and the rear end of the fixed rod 623; one end of each second connecting rod 622 is hinged to the front side and the rear side of the supporting seat 1, and the other end of each second connecting rod 622 is hinged to the front end and the rear end of the fixing rod 623; a second connecting hole 6231 is provided between the two ends of the fixing rod 623; the second driving piece 61 comprises a second screw rod 611 and a second handle 612, two sections of second threads 6111 are arranged on the second screw rod 611, and the spiral directions of the two sections of second threads 6111 are opposite; the two second connecting holes 6231 are respectively screwed to the two second threads 6111, the second handle 612 is disposed at the end of the second screw rod 611, and the second handle 612 is used to rotate the second screw rod 611, so as to force the two fixing rods 623 to slide in opposite directions or slide in opposite directions.

As shown in fig. 12 to 15, the specific operation steps are as follows:

(1) The supporting seat 1 is placed below the guide wheel 100, and if the condition is satisfied, the supporting seat 1 can be reinforced and fixed in an auxiliary manner through the mounting hole 11 on the supporting seat 1, so that the supporting stability of the supporting seat 1 is improved.

(2) The first handle 523 is adjusted in a rotating mode, the first handle 523 drives the worm 522 to rotate, the worm 522 drives the worm wheel 521 to rotate, and the worm wheel 521 drives the first screw rod 51 to rotate, so that the two sliding frames 4 are driven to slide oppositely or slide back to back at the same time, and the horizontal distance between the two supporting wheels 2 is adjusted.

(3) The second handle 612 is adjusted in a rotating mode, the second handle 612 drives the second screw rod 611 to rotate, and the second screw rod 611 drives the two fixing frames to move oppositely or move backwards simultaneously; when the two fixing frames move towards each other at the same time, the lower ends of the first connecting rod 621 and the upper ends of the second connecting rod 622 are close to each other towards the middle, so that the guide rail 3 (i.e. the two supporting wheels 2) moves downwards at the same time; similarly, when the two fixing frames move back at the same time, the lower ends of the first connecting rod 621 and the upper ends of the second connecting rod 622 move outwards, so that the guide rail 3 (i.e. the two supporting wheels 2) moves upwards at the same time, and the height between the supporting wheels 2 and the supporting seat 1 is adjusted.

(4) By adjusting the horizontal distance between the two supporting wheels 2 and the height between the two supporting wheels 2 and the supporting seat 1, the two supporting wheels 2 and the guide wheel 100 have proper contact positions, so that the guide wheel 100 is effectively supported on line through the two supporting wheels 2, and the damaged bearing 200 is replaced on line.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides an online frock of changing of guide pulley bearing, its characterized in that includes supporting seat and two at least supporting wheels, each the supporting wheel all rotationally set up in the supporting seat, each the axis of supporting wheel is on a parallel with the axis of guide pulley, and each be formed with between the supporting wheel be used for limiting the guide pulley produces radial displacement's support region.

2. The guide wheel bearing online replacement tool as recited in claim 1, wherein the number of support wheels is two.

3. The guide wheel bearing online replacement tool as claimed in claim 2, wherein a horizontal distance between the two support wheels is an adjustable structure.

4. The guide wheel bearing online replacement tool as claimed in claim 2, wherein the height between the support wheel and the support base is an adjustable structure.

5. The guide wheel bearing online replacement tool according to claim 2, wherein a horizontal distance between two support wheels is an adjustable structure, and a height between the support wheels and the support base is an adjustable structure.

6. The guide wheel bearing online replacement tool as recited in claim 5, further comprising a guide rail, a sliding frame, a lifting mechanism and a driving mechanism; the guide rail is connected with the supporting seat through the lifting mechanism, so that the guide rail is driven to move up and down through the lifting mechanism; the number of the sliding frames is two, the two sliding frames can be connected to the guide rail in a left-right sliding manner, and the two supporting wheels are respectively and rotatably arranged on the two sliding frames; the driving mechanism is arranged on the guide rail and is used for driving the sliding frame to slide left and right.

7. The guide wheel bearing online replacement tool according to claim 6, wherein the driving mechanism comprises a first screw rod and a first driving piece, the first screw rod is rotatably installed on the guide rail, the axis of the first screw rod is arranged along the left-right direction, two sections of first threads are arranged on the first screw rod, and the spiral directions of the two sections of first threads are opposite; the two sliding frames are respectively provided with a first connecting hole, the two first connecting holes are respectively connected with the two sections of the first threads in a threaded mode, and the first driving piece is used for driving the first screw rod to rotate, so that the two sliding frames are forced to slide oppositely or slide back to back at the same time.

8. The guide wheel bearing online replacement tool according to claim 7, wherein the first driving piece comprises a worm wheel, a worm and a first handle, and the worm wheel is coaxially arranged on the first screw rod; the worm is rotatably arranged on the guide rail and meshed with the worm wheel; the first handle is arranged at the end part of the worm and is used for manually rotating the worm, so that the worm wheel drives the first screw rod to rotate.

9. The guide wheel bearing online replacement tool as claimed in claim 6, wherein the lifting mechanism comprises a second driving piece and two groups of lifting components, and the two groups of lifting components are arranged in a bilateral symmetry manner;

each group of lifting components comprises two first connecting rods, two second connecting rods and a fixed rod, one ends of the two first connecting rods are respectively hinged to the front side and the rear side of the guide rail, and the other ends of the two first connecting rods are respectively hinged to the front end and the rear end of the fixed rod; one ends of the two second connecting rods are respectively hinged to the front side and the rear side of the supporting seat, and the other ends of the two second connecting rods are respectively hinged to the front end and the rear end of the fixed rod; a second connecting hole is formed between the two ends of the fixed rod in a left-right penetrating manner;

the second driving piece comprises a second screw rod and a second handle, two sections of second threads are arranged on the second screw rod, and the spiral directions of the two sections of second threads are opposite; the two second connecting holes are respectively connected with the two sections of second threads in a threaded mode, the second handle is arranged at the end portion of the second screw rod and is used for rotating the second screw rod, and therefore the two fixing rods are forced to slide oppositely or slide back to back simultaneously.

10. An online replacement tool for a guide wheel bearing according to any one of claims 1 to 9, wherein a limiting portion is provided on the supporting wheel, and the limiting portion is used for limiting axial displacement of the guide wheel.