CN216159795U

CN216159795U - Bearing clearance measuring tool

Info

Publication number: CN216159795U
Application number: CN202122283446.8U
Authority: CN
Inventors: 安占岭
Original assignee: Voith Road Tongcheng Railway Transmission Technology Changchun Co ltd
Current assignee: Voith Road Tongcheng Railway Transmission Technology Changchun Co ltd
Priority date: 2021-09-19
Filing date: 2021-09-19
Publication date: 2022-04-01
Anticipated expiration: 2031-09-19

Abstract

The utility model relates to the technical field of bearing detection, and discloses a bearing clearance measuring tool, which comprises a driving gear and a small bearing seat, wherein the small bearing seat penetrates through the driving gear and extends to the outside of the driving gear, the top of the driving gear is connected with an output shaft, the output shaft is connected and clamped with a rotating block, the top of the rotating block is provided with an adjusting rod to be detected, the top of the small bearing seat is movably connected with a detection tool assembly through a connecting assembly, and the top of the small bearing seat is fixedly connected with a fixed rod; the tool is convenient to disassemble and assemble, simple in structure and convenient to popularize and use.

Description

Bearing clearance measuring tool

Technical Field

The utility model relates to the technical field of bearing detection, in particular to a bearing clearance measuring tool.

Background

The gapless bearing is one of the important parts of the automobile steering system, is mainly used for being installed in an automobile steering column, keeps good rotation performance in use, and also needs to consider whether the automobile is rigidly transmitted to the hands of a driver in the braking and bumping processes. The bearing clearance under a certain load must be controlled. Therefore, before the bearing is used, the axial radial clearance under a certain load needs to be detected so as to ensure the good working state of the bearing.

The application number (CN205209466U) of retrieving discloses an output shaft clearance measurement frock, including frame, output shaft and bearing frame, set up fixing base and activity on the frame and press from both sides tight seat, the bearing frame of output shaft is placed on fixing base and activity and presss from both sides tight seat, and the flange of bearing frame is located fixing base and activity and presss from both sides between the tight seat, sets up first, second measurement cylinder respectively at the both ends about the output shaft, sets up clamping cylinder in one side of output shaft, clamping cylinder's cylinder hub connection presss from both sides tight connecting rod, the other end of clamping connecting rod connects the activity and presss from both sides tight seat, and when clamping cylinder outwards pushed out clamping connecting rod, it presss from both sides tight seat tightly to press from both sides tight connecting rod promotion activity. The clamping cylinder connecting rod mechanism fixes the bearing seat, and then the first measuring cylinder and the second measuring cylinder respectively act to obtain the displacement of the output shaft, so that the size of the gap of the output shaft can be obtained. The utility model makes the measurement of the output shaft clearance easy to operate and accurate, and makes contribution to the product quality assurance.

However, the inventor finds that the technical scheme still has at least the following defects:

when above-mentioned structure detects the bearing intermittent type, the structure installation is complicated, need take out the bearing from equipment and detect alone, needs the air supply drive simultaneously, detects for example the cylinder drive, but this equipment is inconvenient to be carried, and the convenience is relatively poor, when the outage, can't detect the bearing intermittent type.

Therefore, a bearing clearance measuring tool is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a bearing clearance measuring tool.

In order to achieve the purpose, the utility model adopts the following technical scheme that the bearing clearance measuring tool comprises a driving gear and a small bearing seat, the utility model discloses a bearing frame, including the driving gear, little bearing frame, the top of driving gear is connected with the output shaft, connect the joint on the output shaft and have rotatory piece, the top of rotatory piece is provided with the regulation pole that waits to detect, there is detection tool assembly at the top of little bearing frame through coupling assembling swing joint, the top fixed connection dead lever of little bearing frame, install the percentage table that corresponds from top to bottom with adjusting the pole on the dead lever, the output downwardly extending of percentage table adjusts the inside of axle in the pole, it includes the support frame to detect tool assembly, the support frame is integrative with the welding of rear side rectangular plate by front side C type frame, it is inside the C type frame of support frame to adjust the pole, and be provided with on the C type frame of support frame and carry out spacing fixed subassembly with adjusting the pole.

Preferably, the fixing assembly comprises reinforcing grooves formed in two sides of a C-shaped frame of the support frame, internal threads are formed in inner wall surfaces of the two reinforcing grooves, and two reinforcing bolts facing to the side wall surface of the outer shaft of the adjusting rod are in threaded connection with the inner wall surfaces of the two reinforcing grooves.

Preferably, the detection tool assembly comprises a movable hole and a fixed hole which are formed in a rear side rectangular plate of the support frame, the movable hole is a long-strip through hole, the fixed hole is a rectangular through hole, and the support frame is fixedly connected with a torque wrench through the fixed hole in the rear side rectangular plate.

Preferably, the connecting assembly comprises a connecting rod fixed at the top of the small bearing seat through a fastener, a limiting screw rod is vertically welded on the outer wall surface of the connecting rod, and a nut is connected to one end of the limiting screw rod, which penetrates through the corresponding movable hole, in a threaded manner.

Preferably, the rotating block is composed of a circular rod welded to the outer wall surface of the circular ring, and trapezoidal reinforcing blocks are arranged on two sides of the joint of the front C-shaped frame and the rear rectangular plate of the support frame.

Preferably, the fixing rod is an L-shaped rod, and the horizontal end and the vertical end of the fixing rod are fixedly connected with each other through a bolt and a nut in a threaded manner.

Advantageous effects

The utility model provides a bearing clearance measuring tool. The method has the following beneficial effects:

(1) according to the bearing clearance measuring tool, the output shaft is pushed and pulled by applying axial force to the output shaft, so that the axial clearance is measured, the connecting rod is connected with the side end cover of the small bearing seat, the rotating block is connected with the output shaft, the input shaft is moved up and down by pushing and pulling the supporting frame up and down through a specific torque wrench, and the adjusting rod is rapidly detected; this frock dismouting is convenient, simple structure, conveniently carries, also can lengthen the bearing clearance fast simultaneously when the outage, facilitates the using widely.

(2) This bearing clearance measures frock through being provided with fixed subassembly, when torque wrench passes through detection frock subassembly luffing motion, two reinforcing bolt of fixed subassembly will adjust the outer wall face of pole and play fixed spacing effect, place the regulation pole and rock at the inside level of C type frame of support frame, lead to the condition emergence of testing result error, improve the accuracy that detects.

(3) This bearing clearance measures frock, through the welding of both ends junction around the support frame have two bosses, consolidate the support frame around the both ends crossing point department and bear intensity, improve the whole hardness of support frame, improve the life of support frame, prevent that cracked condition from appearing in the tie point in the middle of the upper period luffing motion of support frame from taking place, improve the result intensity that detects the frock

(4) According to the bearing clearance measuring tool, the rotating block and the adjusting rod are driven to rotate by swinging the round rod on the rotating block, and the output shaft of the dial indicator and the inner shaft diameter of the adjusting rod are quickly adjusted and detected; the dead lever that sets up simultaneously, the dead lever not only plays the effect of adjusting fixedly to the percentage table, and the dead lever horizontal end can rotate angle regulation with perpendicular simultaneously, makes things convenient for the percentage table to adjust the detection to the below object.

Drawings

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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic side view of a bearing clearance measurement tool of the present invention;

FIG. 2 is a schematic view of the partial assembly of the measuring tool of the present invention.

Illustration of the drawings:

1. a driving gear; 2. a small bearing seat; 3. a dial indicator; 4. a torque wrench; 5. a support frame; 6. a connecting rod; 7. a movable hole; 8. a fixing hole; 9. a limit screw; 10. a reinforcing block; 11. a reinforcing groove; 12. reinforcing the bolt; 13. rotating the block; 14. an output shaft; 15. adjusting a rod; 16. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): a bearing clearance measuring tool comprises a driving gear 1 and a small bearing seat 2, wherein the small bearing seat 2 penetrates through the driving gear 1 and extends to the outside of the driving gear 1, the top of the driving gear 1 is connected with an output shaft 14, the output shaft 14 is connected with a rotary block 13 in a clamping manner, the top of the rotary block 13 is provided with an adjusting rod 15 to be detected, the top of the small bearing seat 2 is movably connected with a detecting tool assembly through a connecting assembly, the top of the small bearing seat 2 is fixedly connected with a fixed rod 16, the fixed rod 16 is provided with a dial indicator 3 vertically corresponding to the adjusting rod 15, the output end of the dial indicator 3 extends downwards to the inside of the inner shaft of the adjusting rod 15, the detecting tool assembly comprises a supporting frame 5, the supporting frame 5 is welded with a rear rectangular plate into a whole through a front side C-shaped frame, the adjusting rod 15 is positioned inside the C-shaped frame of the supporting frame 5, and the C-shaped frame of the supporting frame 5 is provided with a fixing assembly for limiting the adjusting rod 15, the front side C type frame and the rear side rectangular plate junction both sides of support frame 5 all are provided with trapezoidal boss 10, and both ends junction welding has two boss 10 around through support frame 5, consolidates support frame 5 around both ends crossing point department and bears intensity, improves support frame 5 bulk hardness, improves support frame 5's life, prevents that cracked condition from appearing in the tie point in the middle of support frame 5 the last period luffing motion from taking place, improves the result intensity that detects the frock.

Fixed subassembly is including seting up the reinforcement groove 11 in the C type frame both sides of support frame 5, all set up the internal thread on the internal face of two reinforcement grooves 11, two reinforcement bolts 12 of the internal face threaded connection of two reinforcement grooves 11 has the outer axle lateral wall face of regulation pole 15, through being provided with fixed subassembly, when torque wrench 4 is through detecting the frock subassembly luffing motion, two reinforcement bolts 12 of fixed subassembly play fixed spacing effect with the outer axle lateral wall face of adjusting pole 15, place and adjust pole 15 and rock at the inside level of the C type frame of support frame 5, lead to the condition emergence of error to appear in the testing result, improve the accuracy of detection.

Simple work subassembly is including offering the activity hole 7 and the fixed orifices 8 on the rear side rectangular plate of support frame 5, activity hole 7 is rectangular through-hole, fixed orifices 8 are the rectangle through-hole, support frame 5 is through the 8 fixedly connected with torque wrench 4 of fixed orifices on the rear side rectangular plate, coupling assembling includes and fixes the connecting rod 6 at 2 tops of little bearing frame through the fastener, vertical welding has stop screw 9 on the outer wall of connecting rod 6, stop screw 9 passes the one end threaded connection who corresponds activity hole 7 and has the nut.

The rotating block 13 is composed of a circular rod welded with the outer wall surface of the circular ring, the rotating block 13 and the adjusting rod 15 are driven to rotate by swinging the circular rod on the rotating block 13, and the diameters of the output shaft of the dial indicator 3 and the inner shaft of the adjusting rod 15 are detected.

The dead lever 16 is the pole of L shape, and links to each other through bolt and nut thread tightening between the horizontal end of dead lever 16 and the vertical end, and through being provided with dead lever 16, dead lever 16 not only plays the fixed effect of regulation to percentage table 3, and 16 horizontal ends of dead lever can the angle of rotation with perpendicular simultaneously, make things convenient for percentage table 3 to adjust the detection to the object below.

The working principle of the utility model is as follows: the tool realizes the action of pushing and pulling the shaft of the output shaft 14 by applying axial force to the output shaft 14, further measures the axial clearance, connects the connecting rod 6 with the end cover at the side of the small bearing seat 2, connects the rotating block 13 with the output shaft 14, realizes the up-and-down movement of the input shaft by pushing and pulling the supporting frame up and down through the specific torque wrench 4, and quickly detects the adjusting rod 15; the tool is convenient to disassemble and assemble, simple in structure and convenient to popularize and use.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bearing clearance measures frock, includes driving gear (1) and little bearing frame (2), its characterized in that: the small bearing seat (2) penetrates through the driving gear (1) and extends to the outside of the driving gear (1), the top of the driving gear (1) is connected with an output shaft (14), the output shaft (14) is connected and clamped with a rotating block (13), the top of the rotating block (13) is provided with an adjusting rod (15) to be detected, the top of the small bearing seat (2) is movably connected with a detection tool assembly through a connecting assembly, the top of the small bearing seat (2) is fixedly connected with a fixed rod (16), the fixed rod (16) is provided with a dial indicator (3) vertically corresponding to the adjusting rod (15), the output end of the dial indicator (3) extends downwards to the inside of an inner shaft of the adjusting rod (15), the detection tool assembly comprises a supporting frame (5), the supporting frame (5) is integrally welded with a rear side rectangular plate through a front side C-shaped frame, the adjusting rod (15) is positioned inside the C-shaped frame of the supporting frame (5), and a fixing component for limiting the adjusting rod (15) is arranged on the C-shaped frame of the supporting frame (5).

2. The bearing clearance measuring tool according to claim 1, characterized in that: the fixing assembly comprises reinforcing grooves (11) formed in two sides of a C-shaped frame of the support frame (5), internal threads are formed in the inner wall surfaces of the two reinforcing grooves (11), and the inner wall surfaces of the two reinforcing grooves (11) are in threaded connection with two reinforcing bolts (12) facing the outer shaft side wall surface of the adjusting rod (15).

3. The bearing clearance measuring tool according to claim 1, characterized in that: detect frock subassembly including offering activity hole (7) and fixed orifices (8) on the rear side rectangular plate of support frame (5), activity hole (7) are rectangular through-hole, and fixed orifices (8) are the rectangle through-hole, and support frame (5) are through fixed orifices (8) fixedly connected with torque wrench (4) on the rear side rectangular plate.

4. The bearing clearance measuring tool according to claim 1, characterized in that: coupling assembling includes fixes connecting rod (6) at little bearing frame (2) top through the fastener, and vertical welding has stop screw (9) on the outer wall of connecting rod (6), and stop screw (9) pass the one end threaded connection who corresponds activity hole (7) and have the nut.

5. The bearing clearance measuring tool according to claim 1, characterized in that: the rotary block (13) is composed of circular rods welded to the outer wall surfaces of the circular rings, and trapezoidal reinforcing blocks (10) are arranged on two sides of the joint of the front side C-shaped frame and the rear side rectangular plate of the support frame (5).

6. The bearing clearance measuring tool according to claim 1, characterized in that: the fixing rod (16) is an L-shaped rod, and the horizontal end and the vertical end of the fixing rod (16) are fixedly connected with each other through a bolt and a nut in a threaded mode.