CN208270207U - For detecting the test tool of bearing outer ring intensity - Google Patents

Abstract

The utility model relates to a kind of test tools for detecting bearing outer ring intensity, including the pedestal for placing bearing outer ring；And locating shaft, the lower part of locating shaft are the insertion section with the axis hole inserting of bearing outer ring, insertion section forms the locating piece for extending downwardly and being arranged as annular, and the inner sidewall of locating piece encloses downwards the conical cavity of gradually undergauge jointly for cambered surface；Axially extending plant chamber is constituted between the adjacent side wall of locating piece, and is planted chamber and be radially connected to conical cavity；It plants intracavitary cooperation and is plugged with the movable block that can be moved radially；The lower end of locating shaft is additionally provided with the end cap of the lower end of energy support movable block；There are also tapered rod cooperations to be inserted in conical cavity, when tapered rod is downwardly into, movable block is pushed to be moved radially outwards and offset with the inner wall of axis hole；And the lower end of tapered rod passes through end cap and is partially exposed to the lower surface of end cap.It this kind of test tool convenient disassembly and is not easy to shake.

Description

For detecting the test tool of bearing outer ring intensity

Technical field

The utility model relates to the test tool of bearing more particularly to a kind of test works for detecting bearing outer ring intensity Dress.

Background technique

Bearing is widely used among various mechanical equipments, and the outer ring of bearing generally requires long-term under conditions of top load Operation, and bearing also suffers from various impacts in use.Therefore the intensity of bearing outer ring uses stablizing for bearing It is of great significance, needs to test the intensity of bearing outer ring.Such as Authorization Notice No. is the China of CN202502019U Utility model patent " a kind of tapered roller bearing internal ring rib strength tester " just discloses a kind of strength tester, including bottom Seat, weighing sensor, force application apparatus and corresponding convex upper mold and annular bed die, the weighing sensor are arranged the bottom of at Above, the convex upper mold convex wall forces in needs tapered roller bearing internal ring to be tested to seat, and transmits force application apparatus application Pressure makes that tapered roller bearing internal ring rib to be tested is needed to be close to annular bed die die wall, and the weighing sensor reads top ring The pressure change that the transmitting of shape bed die comes, and pressure data is passed into computer analysis.

As it can be seen that positioning in above-mentioned test machine using annular bed die, impact force is transmitted by convex upper mold, but should Kind of convex upper mold is placed directly in axis hole, needs with shaft hole inner wall to there is certain interval can just be put into, and it is any its He positions, and skew is easy to happen when by greater impact, shakes the discontinuity equalization so that measured bearing, to influence to test As a result.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of convenient disassembly and not for the status of the prior art That easily shakes is used to detect the test tool of bearing outer ring intensity.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of be used to detect bearing outer ring intensity Test tool, including the pedestal for placing bearing outer ring；And locating shaft, the locating shaft top are to be placed in outside bearing Enclose the stress section of upper surface, the lower part of the locating shaft is the insertion section with the axis hole inserting of bearing outer ring, the insertion section at Type has the locating piece for extending downwardly and being arranged as annular, and the inner sidewall of the locating piece encloses downwards gradually jointly for cambered surface The conical cavity of undergauge, the conical cavity extend and run through the upper and lower end face of the locating shaft to upper and lower ends；The locating piece phase Axially extending plant chamber is constituted between adjacent side wall, and the plant chamber is radially connected to the conical cavity；The plant chamber Interior cooperation is plugged with the movable block that can be moved radially；The lower end of the locating shaft is additionally provided with the lower end that can support the movable block End cap, the end cap be equipped be connected to the conical cavity longitudinal direction through-hole；There are also tapered rod cooperations to be inserted in the cone Shape is intracavitary, when the tapered rod is downwardly into, the movable block is pushed to be moved radially outwards and the inner wall phase with the axis hole It supports.

Further, the upper end for planting chamber is provided with the shifting chute radially extended, and the outboard end of the shifting chute is set It is equipped with the first block, the upper end cooperation of the movable block is inserted in the shifting chute, and first block can resist the work The outboard end of motion block；The first notch matched with first stop block structure is provided on the outside of the upper end of the movable block. First block prevents movable block from radially skidding off plant chamber with the setting of corresponding first notch, and the setting of shifting chute is preferably oriented to The movement of movable block.

Further, the outer peripheral edge of the end cap has upwardly extended the second block, and second block can resist the activity The outboard end of block；The second notch matched with second stop block structure is provided on the outside of the movable block lower end.Second The setting of block and the second notch further prevents movable block along axially sliding insertion slot.

Preferably, there are three the locating piece uniform intervals settings, the corresponding plant chamber and movable block are also three. This kind of locating piece set-up mode structure is simple, and makes the cooperation of movable block and axis hole close and force balance.

Preferably, be provided with placed cavity up and down in the pedestal, the placed cavity have from top to bottom it is multiple not With the step surface of diameter.This kind of placement cavity configuration can place the bearing outer ring of various outer diameter.

Further, the lower end surface of the locating shaft is equipped with location hole, and the end cap is equipped with corresponding fixation hole, fixed Part passes through the fixation hole and is fixed on the positioning hole.The fixed form structure of this kind of end cap is simple and assembles, is easily manufactured.

Compared with the prior art, the advantages of the utility model are: this kind of test tool, after tapered rod is inserted into conical cavity, Movable block will move and resist shaft hole inner wall, so that locating shaft is not easy shaking and skew during the test, need to dismantle When this kind of locating shaft, it is only necessary to push up tapered rod, enable movable block freely radially towards medial movement can unclamp with The cooperation of axis hole, easily dismantles locating shaft.

Detailed description of the invention

Fig. 1 is the status diagram of the assemble sequence of the test tool of the utility model embodiment；

Fig. 2 is the status diagram when test tool assembly of the utility model embodiment finishes；

Fig. 3 is that the locating shaft of the utility model embodiment assembles structural schematic diagram when finishing with movable block, tapered rod；

Fig. 4 is the decomposition texture schematic diagram of Fig. 3；

Fig. 5 is the structural schematic diagram of the locating shaft of the utility model embodiment；

Fig. 6 is the schematic top plan view of Fig. 5；

Fig. 7 is the Longitudinal cross section schematic of the locating shaft of the utility model embodiment.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.

As shown in Figures 1 to 7, this kind is used to detect the test tool of bearing outer ring intensity, including for placing outside bearing Enclose the pedestal 1 of A；And locating shaft 2,2 top of locating shaft are the stress section 21 for being placed in the upper surface bearing outer ring A, locating shaft 2 Lower part is the insertion section 22 with the axis hole inserting of bearing outer ring A.Insertion section 22, which forms, extends downwardly and is arranged as determining for annular The inner sidewall of position block 22a, locating piece 22a enclose downwards the conical cavity 3 of gradually undergauge jointly for cambered surface, and conical cavity 3 is upward Lower both ends extend and run through the upper and lower end face of locating shaft 2.Axially extending plant chamber is constituted between locating piece 22a adjacent side wall 22b, and plant chamber 22b and be radially connected to conical cavity 3；It plants cooperation in chamber 22b and is plugged with the movable block 5 that can be moved radially, The lower end of locating shaft 2 is additionally provided with the end cap 4 of the lower end of energy support movable block 5, and end cap 4 is equipped with the longitudinal direction being connected to conical cavity 3 Through-hole 4b.There are also the cooperations of tapered rod 31 to be inserted in conical cavity 3, when tapered rod 31 is downwardly into, pushes movable block 5 radially It is displaced outwardly and offsets with the inner wall of axis hole；The lower end of the tapered rod 31 of the present embodiment passes through the through-hole 4b of end cap 4 and part is revealed For the lower surface of end cap 4, convenient for pushing up.There are three the locating piece 22a uniform intervals settings of the present embodiment, corresponding to insert Setting chamber 22b and movable block 5 also is three；The radial cross-sectional shape of movable block 5 is sector of the central angle towards 3 side of conical cavity； The radial section of locating piece 22a is the fan annular of central angle inwardly.

The upper end for planting chamber 22b is provided with the shifting chute 22d radially extended, and the outboard end of shifting chute 22d is provided with the The upper end cooperation of one block 22e, movable block 5 are inserted in shifting chute 22d, and the first block 22e can resist the outside of movable block 5 End；The the first notch 5a matched with the first block 22e structure is provided on the outside of the upper end of movable block 5.

The outer peripheral edge of end cap 4, which has upwardly extended the second block 4a, the second block 4a, can resist the outboard end of movable block 5；It is living The the second notch 5b matched with the second block 4a structure is provided on the outside of 5 lower end of motion block.

Placed cavity 11 up and down is provided in pedestal 1, placed cavity 11 is from top to bottom with the platform of multiple and different diameters Terrace 11a can cooperate the bearing outer ring for placing various outer diameter.There are two step surfaces for the present embodiment setting.

The lower end surface of the locating shaft 2 is equipped with location hole 23, and the end cap 4 is equipped with corresponding fixation hole 4c, fixed Part passes through the fixation hole 4c and is fixed in the location hole 23, and the fixing piece of the present embodiment is screw, and location hole 23 is equipped with pair The internal screw thread answered.

When using this kind of test tool, first as shown in Figure 1, not being seated tapered rod 31, locating shaft 2 and bearing outer ring A are carried out The inserting of axis hole is forcibly inserted into tapered rod 31 then under, and movable block 5 is moved radially outwards, until the axis with bearing outer ring A Hole inner wall is fitted close as shown in Fig. 2, can make a strength test.When needing to dismantle this kind of test tool, mantle is pushed up Shape bar 31, movable block 5 can also be moved freely radially towards inside, that is, conveniently dismount this kind of test tool.When needing to test When the bearing outer ring A of various outer diameter, the step surface 11a that can choose different-diameter places bearing outer ring A.

Claims (6)

1. a kind of test tool for detecting bearing outer ring intensity, including the pedestal (1) for placing bearing outer ring (A)；With And locating shaft (2), locating shaft (2) top are the stress section (21) for being placed in the upper surface bearing outer ring (A), the locating shaft (2) lower part is the insertion section (22) with the axis hole inserting of bearing outer ring (A), it is characterised in that；Insertion section (22) molding There is the locating piece (22a) for extending downwardly and being arranged as annular, the inner sidewall of the locating piece (22a) encloses jointly for cambered surface The conical cavity (3) of downward gradually undergauge, the conical cavity (3) is to upper and lower ends extension and above and below the locating shaft (2) End face；Axially extending plant chamber (22b), and the plant chamber (22b) are constituted between the adjacent side wall of the locating piece (22a) It is radial to be connected to the conical cavity (3)；Cooperation is plugged with the movable block (5) that can be moved radially in plant chamber (22b)；Institute The lower end for stating locating shaft (2) is additionally provided with the end cap (4) that can support the lower end of the movable block (5), the end cap (4) be equipped with Longitudinal through-hole (4b) of conical cavity (3) connection；There are also tapered rod (31) cooperations to be inserted in the conical cavity (3), institute When stating tapered rod (31) and being downwardly into, the movable block (5) is pushed to be moved radially outwards and offset with the inner wall of the axis hole.

2. the test tool according to claim 1 for being used to detect bearing outer ring intensity, it is characterised in that: the plant chamber The upper end of (22b) is provided with the shifting chute (22d) radially extended, and the outboard end of the shifting chute (22d) is provided with first gear The upper end cooperation of block (22e), the movable block (5) is inserted in the shifting chute (22d), and first block (22e) can support State the outboard end of movable block (5) in residence；It is provided on the outside of the upper end of the movable block (5) and is tied with first block (22e) The first notch (5a) that structure matches.

3. the test tool according to claim 1 for being used to detect bearing outer ring intensity, it is characterised in that: the end cap (4) outer peripheral edge has upwardly extended the second block (4a), and second block (4a) can resist the outside of the movable block (5) End；The second notch (5b) matched with the second block (4a) structure is provided on the outside of movable block (5) lower end.

4. according to claim 1 to the test tool for being used to detect bearing outer ring intensity described in 3 any claims, feature Be: there are three locating piece (22a) the uniform intervals settings, and the corresponding plant chamber (22b) and movable block (5) are also three It is a.

5. according to claim 1 to the test tool for being used to detect bearing outer ring intensity described in 3 any claims, feature Be: being provided with placed cavity (11) up and down in the pedestal (1), the placed cavity (11) have from top to bottom it is multiple not With the step surface (11a) of diameter.

6. according to claim 1 to the test tool for being used to detect bearing outer ring intensity described in 3 any claims, feature Be: the lower end surface of the locating shaft (2) is equipped with location hole (23), and the end cap (4) is equipped with corresponding fixation hole (4c), Fixing piece passes through the fixation hole (4c) and is fixed in the location hole (23).