Four-row tapered roller bearing clearance measuring tool

Abstract

The utility model relates to the technical field of bearing measuring tools, in particular to a four-row tapered roller bearing clearance measuring tool which comprises a bottom support used for supporting a bearing and a measuring frame arranged on the bearing. The bottom support comprises at least three movably-arranged supporting seats and a plurality of distance fixing rods used for connecting and positioning the supporting seats, the at least three supporting seats form a supporting platform matched with a bearing to be measured in size, and an inner ring or an outer ring of the bearing to be measured is horizontally placed on the supporting platform formed by the supporting seats. The other ferrule is connected with a hoisting mechanism; the measuring frame is connected with a measuring meter, the measuring frame is placed on the upper end face of the inner ring or the outer ring, a meter hand of the measuring meter makes contact with the upper end face of the other ferrule, and the relative displacement of the inner ring and the outer ring under the action of the hoisting mechanism is measured through the measuring meter. The measurement of the axial clearance of the platform-free large bearing is realized through the bottom support and the measuring frame, the use is convenient, the disassembly and the transportation are convenient, and a large amount of space cost and transportation cost are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing measurement frock technical field, concretely relates to a four row tapered roller bearing play measurement frock. BACKGROUND

[0002] Large double four row tapered roller bearing can bear larger shaft, radial combined load, and thus is widely used in rolling mill, metallurgical industry and the like. With the development requirement of main machine, four row tapered roller bearing has developed into various modified structures, and the double four row tapered roller bearing without spacer ring in inner ring and with spacer ring in outer ring is one of main structure forms.

[0003] When assembling the bearing with large axial play, the axial play of the two row roller bearings on both sides is realized by selecting or grinding the thickness of the outer spacer ring, and thus it is necessary to control the grinding amount of the outer spacer ring by detecting the axial play of the bearing. The axial play measurement of the large double four row tapered roller bearing needs a special large detection platform, which has a large platform machining difficulty coefficient and high transportation cost and is time-consuming and laborious in field measurement. UTILITY MODEL CONTENT

[0004] In view of the defects in the prior art, the utility model aims at providing a four row tapered roller bearing play measurement frock, which can overcome the platform-free measurement technology of the large double four row tapered roller bearing and realize rapid and accurate measurement of the axial play.

[0005] To achieve the above object, the utility model adopts the technical scheme of a four row tapered roller bearing play measurement frock, which comprises a bottom support for supporting the bearing and a measuring frame arranged on the bearing. The bottom support comprises at least three movable supporting seats and a plurality of distance rods for connecting and positioning the supporting seats. The at least three supporting seats form a supporting platform matched with the size of the bearing to be measured. The inner ring or outer ring of the bearing to be measured is horizontally placed on the supporting platform formed by the supporting seats. The other ring not supported by the supporting platform is connected with a hoisting mechanism. The measuring frame is connected with a measuring meter. The measuring frame is placed on the upper end surface of the inner ring or outer ring. The needle of the measuring meter is in contact with the upper end surface of the other ring. The relative displacement of the inner ring and the outer ring under the action of the hoisting mechanism is measured by the measuring meter.

[0006] Further, the supporting seat comprises a threaded column and a lower nut connected to the threaded column. The threaded column is threadedly connected to the mounting base surface and locked by the lower nut. The distance rod is sleeved on the two threaded columns through the connecting through holes at both ends. The upper end surfaces of the at least three threaded columns form the supporting platform.

[0007] Further, the supporting seat comprises an upper nut. The upper nut is threadedly connected to the threaded column. The distance rod is clamped between the upper nut and the lower nut.

[0008] Further, the three supporting seats are connected by the three equal-length distance rods to form an equilateral triangle structure.

[0009] Further, the measuring frame comprises a ring-shaped frame body, a crossbeam and a measuring table seat, the ring-shaped frame body is placed on the upper end face of the inner ring or the outer ring, the crossbeam is fixed on the ring-shaped frame body, the measuring table seat is arranged on the crossbeam, and the measuring table seat is connected with a measuring table for detecting the axial play of the bearing.

[0010] Further, the crossbeam is welded to the upper end face of the ring-shaped frame body, and the crossbeam is connected to the two ends of the diameter of the ring-shaped frame body.

[0011] Further, the measuring table seat is a magnetic table seat, and the measuring table seat is magnetically adsorbed on the crossbeam.

[0012] Further, the crossbeam is provided with one or two measuring table seats, two measuring tables are connected to each measuring table seat, the two measuring tables are distributed on the two sides of the crossbeam, the hands of the measuring tables are in contact with different positions of the bearing ring, and multi-point measurement is performed through one-time lifting.

[0013] Further, the lifting mechanism horizontally lifts the bearing ring from the bottom of the bearing ring until the lifted bearing ring is lifted by the lifting mechanism, another ring is supported by the bottom support, and the measuring table is stationary.

[0014] Further, the bottom support supports the lower end face of the outer ring, the inner ring is suspended and connected with the lifting mechanism, the measuring frame is placed on the upper end face of the inner ring, the hands of the measuring tables are in contact with the upper end face of the outer ring, the lifting mechanism horizontally lifts the inner ring from the bottom of the inner ring until the inner ring is completely lifted by the lifting mechanism, the outer ring is supported by the bottom support, the measuring table is stationary, and the axial play of the bearing is displayed through the change of the measuring table.

[0015] The four-column tapered roller bearing play measuring tool structure of the utility model has the advantages that the bottom support and the measuring frame are used in cooperation, the axial play of the large double four-column tapered roller bearing is measured, the tool is convenient to use, convenient to disassemble and transport, a large amount of space cost and transportation cost are saved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a four-column tapered roller bearing play measuring tool structure schematic view of the utility model;

[0017] Figure 2 It is a bearing lifting schematic view;

[0018] Figure 3 It is a bottom support top view structure schematic view;

[0019] Figure 4 is a schematic view of the distance rod structure;

[0020] Figure 5 is a schematic view of the main structure of the measuring frame;

[0021] Figure 6 is a schematic view of the top structure of the measuring frame;

[0022] In the figure: 1, outer ring, 2, inner ring, 3, threaded support column, 4, upper nut, 5, lower nut, 6, distance rod, 601, connecting through hole, 7, measuring table, 8, annular frame body, 9, cross beam, 10, magnetic base, 11, measuring table frame, 12, measuring table rod, 13, hoisting mechanism. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below in combination with the drawings. In the following description, a large number of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0024] Example 1

[0025] Referring to the drawings Figures 1-6 A four-row tapered roller bearing clearance measuring tool, comprising a bottom support for supporting the bearing and a measuring frame arranged on the bearing; the bottom support comprises three movably arranged supporting seats and three equal-length distance rods 6 for connecting and positioning the supporting seats, the supporting seat 3 comprises a threaded support column 3 and an upper nut 4 and a lower nut 5 connected to the threaded support column 3, the threaded support column 3 is connected to the mounting hole of the mounting surface and locked by the lower nut 5, the distance rod 6 is sleeved on the two threaded support columns 3 through the connecting through holes 601 at both ends, the end of the distance rod 6 is clamped between the upper nut 4 and the lower nut 5, the three threaded support columns 3 are connected by the three distance rods 6 to form an equilateral triangle structure, the upper end surfaces of the three threaded support columns 3 form a supporting platform matching the size of the bearing to be measured, the outer ring 1 of the bearing to be measured is horizontally placed on the supporting platform formed by the supporting seats, and the inner ring 2 of the bearing to be measured is suspended, and the hoisting mechanism is connected to the inner ring 2; the measuring table 7 is connected to the measuring frame, the measuring frame is placed on the upper end surface of the inner ring 2, the needle of the measuring table 7 is in contact with the upper end surface of the outer ring 1, the inner ring 2 is horizontally lifted from the bottom of the inner ring 2 by the hoisting mechanism, until the inner ring is completely lifted by the hoisting mechanism 13, the outer ring is supported by the bottom support, the relative displacement between the inner ring 2 and the outer ring 1 under the action of the hoisting mechanism is measured by the measuring table 7, and the change value of the measuring table 7 is the relative displacement, that is, the axial clearance of the bearing.

[0026] It should be noted that the installation base surface is mostly the ground paved with steel plates, and a plurality of installation holes are provided on the steel plates for connecting and fixing various equipment.

[0027] Further, the measuring frame comprises a ring-shaped frame body 8, a crossbeam 9 and a measuring table seat, the ring-shaped frame body 8 is placed on the upper end surface of the inner ring, the crossbeam 9 is welded on the upper end surface of the ring-shaped frame body 8, the crossbeam 9 is connected to the two ends of the diameter of the ring-shaped frame body 8 and does not affect the lifting of the lifting rope. The measuring table seat is a magnetic table seat and is adsorbed on the crossbeam 9 by magnetic attraction. A measuring table 7 for detecting the axial play of the bearing is connected to the measuring table seat.

[0028] Further, the measuring table seat comprises a magnetic base 10 and a measuring table frame 11 provided on the magnetic base, the magnetic base 10 is adsorbed on the crossbeam 9 by magnetic attraction, a table frame connecting sleeve is sleeved on the measuring table frame 11, a table rod connecting sleeve is sleeved on a measuring table rod 12, the extension length of the measuring table rod 12 can be adjusted and locked by a screw, the table frame connecting sleeve and the table rod connecting sleeve are hinged, and the height position of the measuring table 7 is adjusted. The measuring table 7 is a dial gauge or a micrometer.

[0029] Further, one or two magnetic bases 10 are provided on the crossbeam 9, two measuring table frames 11 are connected to each magnetic base 10, the two measuring table frames 11 are distributed on the two sides of the crossbeam 9, one measuring table 7 is installed on each measuring table frame 11, the hands of each measuring table 7 contact different positions on the upper end surface of the bearing outer ring, and multi-point measurement is performed through one lifting. At most four sets of data are measured by four measuring tables each time, the measuring tables avoid the lifting rope of the lifting mechanism 13 and avoid affecting each other.

[0030] The axial play measurement method is as follows: the bottom support supports the lower end surface of the outer ring, the inner ring is suspended and sinks as a whole, the measuring frame is placed on the upper end surface of the inner ring, the hand of the measuring table hits the upper end surface of the outer ring, and the measuring table is adjusted to zero. The lifting mechanism is hung on the bottom plane of the inner ring by three same hooks, the lifting mechanism is opened and lifted upwards until the inner ring is completely lifted by the lifting mechanism and the outer ring is supported by the bottom support, and the measuring table is stationary. At this time, the indication of the measuring table is the single-point measurement value of the axial play of the single bearing, and the data of the plurality of measuring tables are averaged to obtain the axial play of the bearing.

[0031] Example 2

[0032] The structure of Example 2 is basically the same as that of Example 1, except that the measuring frame is placed on the upper end surface of the outer ring 1, the hand of the measuring table 7 contacts the upper end surface of the inner ring 2, the inner ring 2 is lifted horizontally, and the axial play is measured by the measuring table.

[0033] Example 3

[0034] The structure of the embodiment 3 is substantially same as that of the embodiment 1 or 2, except that the bottom support supports the inner ring 2 of the bearing, and the outer ring 1 is suspended and connected with the hoisting mechanism 13.

[0035] It should be noted that the parts not described in detail in the utility model are prior art.

[0036] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model by indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the utility model.

[0037] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0038] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0040] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. It will be understood that, although the terms "first", "second", etc. can be used herein to describe various elements, these elements should not be limited by these terms since such terms are only used to distinguish one element from another. The terms "comprises", "comprising", "includes", "including" or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "a" or "an", as used herein, mean "one or more". The terms "another" and "one or more" as used herein have the same meaning as "at least one". The term "about" means approximately or nearly as understood by one of ordinary skill in the art. The term "coupled" as used herein means the joining of two members directly or indirectly to one another.

[0041] The above embodiments are only the best modes of the present application. Obviously, the present application is not limited to the above embodiments, and can have many variations. All variations that can be directly derived or thought of by those of ordinary skill in the art from the content disclosed in the present application should be considered to be within the scope of the present application.

Claims

1. A four-row tapered roller bearing lash measuring tool characterized by: The application relates to a bearing support device, which comprises a bottom support for supporting a bearing and a measuring frame arranged on the bearing; the bottom support comprises at least three movable supporting seats and a plurality of distance rods for connecting the supporting seats; the at least three supporting seats form a supporting platform matching the size of a bearing to be measured; the inner ring or the outer ring of the bearing to be measured is horizontally placed on the supporting platform formed by the supporting seats; a hoisting mechanism is connected to the other ring; a measuring meter is connected to the measuring frame; the measuring frame is placed on the upper end surface of the inner ring or the outer ring; the needle of the measuring meter is in contact with the upper end surface of the other ring; and the relative displacement of the inner ring and the outer ring under the action of the hoisting mechanism is measured by the measuring meter.

2. The four-row tapered roller bearing lash measuring tool of claim 1, wherein: The supporting seat comprises threaded pillars and lower nuts connected to the threaded pillars; the threaded pillars are connected to the mounting base and locked by the lower nuts; the distance rods are sleeved on the two threaded pillars through the connecting through holes at the two ends; and the upper end surfaces of the at least three threaded pillars form the supporting platform.

3. A four-row tapered roller bearing lash measuring tool as set forth in claim 2, characterized in that: The supporting seat comprises upper nuts which are threadedly connected to the threaded pillars; and the distance rods are clamped between the upper nuts and the lower nuts.

4. The four-row tapered roller bearing lash measuring tool of claim 1, wherein: The supporting seat comprises three supporting seats and three distance rods; the three distance rods are equal in length; and the three supporting seats are connected by the three distance rods to form an equilateral triangle structure.

5. The four-row tapered roller bearing lash measuring tool of claim 1, wherein: The measuring frame comprises a ring-shaped frame body, a cross beam and a measuring meter seat; the ring-shaped frame body is placed on the upper end surface of the inner ring or the outer ring; the cross beam is fixed to the ring-shaped frame body; and the measuring meter seat is arranged on the cross beam.

6. A four-row tapered roller bearing lash measuring tool as set forth in claim 5, characterized in that: The cross beam is welded to the upper end surface of the ring-shaped frame body; and the cross beam is connected to the two ends of the diameter of the ring-shaped frame body.

7. A four-row tapered roller bearing lash measuring tool as set forth in claim 5, characterized in that: The measuring meter seat is a magnetic meter seat; and the measuring meter seat is magnetically adsorbed to the cross beam.

8. The four-row tapered roller bearing lash measuring tool of claim 5, wherein: One or two measuring meter seats are arranged on the cross beam; two measuring meters are connected to each measuring meter seat; the two measuring meters are distributed on the two sides of the cross beam; the needles of the two measuring meters are in contact with different positions of the bearing ring; and multi-point measurement is realized by one hoisting.

9. The four-row tapered roller bearing lash measuring tool of claim 1, wherein: The hoisting mechanism horizontally hoists the bearing ring from the bottom of the bearing ring; until the hoisted bearing ring is hoisted by the hoisting mechanism and the other ring is supported by the bottom support; and the measuring meter is stationary.

10. The four-row tapered roller bearing lash measuring tool of any one of claims 1-9, wherein: The bottom support supports the lower end surface of the outer ring; the inner ring is suspended and connected to the hoisting mechanism; the measuring frame is placed on the upper end surface of the inner ring; the needle of the measuring meter is in contact with the upper end surface of the outer ring; the hoisting mechanism horizontally hoists the inner ring from the bottom of the inner ring; until the inner ring is completely hoisted by the hoisting mechanism and the outer ring is supported by the bottom support; and the measuring meter is stationary.

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