CN221377059U - Wheel hub test bench - Google Patents

Abstract

The utility model discloses a wheel hub test bed, which comprises a test bed, wherein two support columns are fixedly connected onto the test bed, a top plate is fixedly connected onto the two support columns, a motor is fixedly connected onto the bottom of the top plate, a driving gear is fixedly connected onto the tail end of an output shaft of the motor, a rotating shaft is rotatably connected onto the bottom of the top plate, a driven gear is fixedly connected onto the outer wall of the rotating shaft, the driving gear is meshed with the driven gear, a rotating disc is fixedly connected onto the bottom of the rotating shaft, a sliding column in sliding connection with the rotating disc is penetrated onto the rotating disc, an anti-drop block is fixedly connected onto the top of the sliding column, and a plurality of adjusting mechanisms are arranged on the test bed. The utility model can reduce the testing error by continuously rotating the wheel hub, and can test the contact condition of the wheel hub and the convex block in the steering process, thereby having good testing effect.

Description

Wheel hub test bench

Technical Field

The utility model relates to the technical field of test tables, in particular to a wheel hub test table.

Background

The prior art discloses an agricultural machinery wheel test bench of application number CN202211186093.2, and it includes platform and test truck, and the platform setting has the slide rail of slider support, sets up vertical guide post on the slider support, sets up the guiding hole that the diameter is greater than the guide post on the test truck, and the test truck can slide from top to bottom and set up on the slider support. The platform is provided with a soil groove filled with soil, two test runways are transversely arranged in the soil groove, and a plurality of terrain adjusting devices for changing the road conditions of the soil surface are arranged in each test runway. The invention can conveniently adjust the ground bulge state through the terrain adjusting device so as to simulate the uneven road condition of the field to test the wheel slip rate of the agricultural machinery under the road condition and observe the jumping condition of the plough when the test vehicle bumps.

The defects of the patent are that the length of the test runway is fixed, when the agricultural machine wheel rotates on the test runway, the test error of the wheel hub is large, when the wheel hub is tested, the test can be only carried out on a straight line, when the wheel hub rotates, the test can be carried out on the straight line, and when the wheel hub rotates, the test is carried out on the steering process of the wheel hub, the steering is not only carried out, but also the steering is carried out; in order to solve the problems, the application provides a wheel hub test stand.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a wheel hub test stand which can reduce test errors by continuously rotating a wheel hub and can test the contact condition of the wheel hub and a lug in the steering process of the wheel hub, and has good test effect.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a wheel hub test bench, includes the test bench, two fixedly connected with support columns on the test bench, two the common fixedly connected with roof of support column, the bottom fixedly connected with motor of roof, the terminal fixedly connected with driving gear of output shaft of motor, the bottom rotation of roof is connected with the rotation axis, the outer wall fixedly connected with driven gear of rotation axis, driving gear meshes with driven gear mutually, the bottom fixedly connected with rotary disk of rotation axis, run through on the rotary disk be equipped with rather than sliding connection's sliding column, sliding column's top fixedly connected with anticreep piece, sliding column's outer wall cover is equipped with the spring, the both ends of spring respectively with rotary disk and anticreep piece fixed connection, anticreep piece fixedly connected with two slide bars, two the slide bar all runs through rotary disk and its sliding connection, fixedly connected with wheel hub body on the sliding column, be equipped with test groove on the test bench, be equipped with a plurality of adjustment mechanism on the test bench.

Preferably, the adjustment mechanism comprises a lug penetrating through the test bed and in sliding connection with the test bed, a threaded sleeve is fixedly connected to the bottom of the lug, a threaded rod in threaded connection with the threaded sleeve is penetrated through the threaded sleeve, the threaded rod is rotationally connected with the test bed, a worm wheel is fixedly connected to the outer wall of the threaded rod, a worm is meshed with the worm wheel, the worm penetrates through the test bed and in sliding connection with the worm wheel, and a handle is fixedly connected to one end of the worm, far away from the test bed.

Preferably, the driven gear has a diameter greater than that of the driving gear.

Preferably, the sliding column is mounted with the wheel hub body by a plurality of bolts.

Preferably, the cross section of the bump is rectangular.

Preferably, the threaded sleeve is provided with a groove, and the outer wall of the threaded rod and the inner wall of the groove are respectively provided with matched external threads and internal threads.

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

1. The staff holds the handle and drives worm, worm wheel, threaded rod and rotate, drives screw sleeve and lug through the threaded rod rotation and reciprocates, can simulate different protruding situations through carrying out the altitude mixture control to the lug, satisfies the experimental condition of agricultural machinery wheel hub under different ground conditions.

2. The output shaft of the motor drives the driving gear, the driven gear, the rotating shaft, the rotating disk, the sliding column and the agricultural machinery wheel hub to rotate, the agricultural machinery wheel hub can rotate (realize steering in the rotating process), the testing length is prolonged, the testing error is reduced, the contact condition between the agricultural machinery wheel hub and the lug in the steering process can be tested, and the testing effect is good.

In summary, the error of the test can be reduced by continuously rotating the wheel hub, and the contact condition between the wheel hub and the protruding block in the steering process can be tested, so that the test effect is good.

Drawings

FIG. 1 is a cross-sectional view of a wheel hub test stand according to the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

Fig. 3 is a top view of a part of a structure of a wheel hub test stand according to the present utility model.

In the figure: the test bed comprises a test bed body 1, a support column 2, a top plate 3, a motor 4, a driving gear 5, a rotating shaft 6, a driven gear 7, a rotating disk 8, a sliding column 9, an anti-drop block 10, a spring 11, a sliding rod 12, a wheel hub body 13, a test groove 14, a lug 15, a threaded sleeve 16, a threaded rod 17, a worm wheel 18 and a worm 19.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a wheel hub test stand, including test stand 1, fixedly connected with two support columns 2 on the test stand 1, two support columns 2 are fixedly connected with roof 3 jointly, the bottom fixedly connected with motor 4 of roof 3, the terminal fixedly connected with driving gear 5 of output shaft of motor 4, the bottom rotation of roof 3 is connected with rotation axis 6, the outer wall fixedly connected with driven gear 7 of rotation axis 6, driving gear 5 meshes with driven gear 7 mutually, driven gear 7's diameter is greater than driving gear 5's diameter, rotation axis 6's bottom fixedly connected with rotary disk 8 drives rotary disk 8 through motor 4 and rotates, make wheel hub body 13 rotate and turn to.

The rotary disk 8 is penetrated and is equipped with the slip post 9 rather than sliding connection, the top fixedly connected with anticreep piece 10 of slip post 9, the outer wall cover of slip post 9 is equipped with spring 11, the both ends of spring 11 respectively with rotary disk 8 and anticreep piece 10 fixed connection, two slide bars 12 of anticreep piece 10 fixedly connected with, two slide bars 12 all run through rotary disk 8 and rather than sliding connection, fixedly connected with wheel hub body 13 on the slip post 9, install through a plurality of bolts between slip post 9 and the wheel hub body 13, be equipped with test groove 14 on the test bench 1, rotate through the wheel hub body 13 of setting up, the stroke of test is long.

Be equipped with a plurality of adjustment mechanism on the test bench 1, adjustment mechanism is including running through test bench 1 and rather than sliding connection's lug 15, the cross-section of lug 15 personally submits the rectangle setting, can make lug 15 only reciprocate, the bottom fixedly connected with screw sleeve 16 of lug 15, run through on the screw sleeve 16 and be equipped with rather than threaded connection's threaded rod 17, be equipped with the recess on the screw sleeve 16, the outer wall of threaded rod 17 and the inner wall of recess are equipped with matched with external screw thread and internal screw thread respectively, threaded rod 17 and test bench 1 rotate and are connected, the outer wall fixedly connected with worm wheel 18 of threaded rod 17, the worm wheel 18 meshing has worm 19, worm 19 runs through test bench 1 and rather than sliding connection, the one end fixedly connected with handle of test bench 1 is kept away from to worm 19, through carrying out the altitude mixture control to lug 15, simulate not the lug 15 of co-altitude, the test effect is good to wheel hub body 13.

According to the utility model, a worker installs the wheel hub body 13 on the sliding column 9 through the bolts, holds the handle to drive the worm 19, the worm wheel 18 and the threaded rod 17 to rotate, drives the threaded sleeve 16 and the lug 15 to move up and down through the rotation of the threaded rod 17, and can simulate different protrusion conditions through the height adjustment of the lug 15, so that the test conditions of the wheel hub body 13 under different ground conditions are satisfied; the motor 4 is started, the driving gear 5, the driven gear 7, the rotating shaft 6, the rotating disc 8, the sliding column 9 and the wheel hub body 13 are driven to rotate through the output shaft of the motor 4, the wheel hub body 13 can rotate (steering is realized in the rotating process), the wheel hub body 13 is contacted with the convex protruding block 15 (the spring 11 is compressed in the process), and the test on the wheel hub body 13 is completed.

The utility model solves the problems that the testing error of the wheel hub of the agricultural machinery is large and the straight line can be tested only when the wheel hub of the agricultural machinery is tested in the prior art by arranging the convex blocks to be matched with the wheel hub body which continuously rotates.

Claims (6)

1. The wheel hub test bed comprises a test bed (1), and is characterized in that two support columns (2) are fixedly connected to the test bed (1), two support columns (2) are fixedly connected with a top plate (3) together, a motor (4) is fixedly connected to the bottom of the top plate (3), a driving gear (5) is fixedly connected to the tail end of an output shaft of the motor (4), a rotating shaft (6) is rotatably connected to the bottom of the top plate (3), a driven gear (7) is fixedly connected to the outer wall of the rotating shaft (6), the driving gear (5) is meshed with the driven gear (7), a rotating disc (8) is fixedly connected to the bottom of the rotating shaft (6), a sliding column (9) connected with the rotating disc is penetrated through the rotating disc (8), a spring (11) is sleeved on the outer wall of the sliding column (9), two ends of the spring (11) are respectively connected with the rotating disc (8) and the anti-falling block (10), the anti-falling block (10) is fixedly connected with two rotating discs (12) and the two rotating disc bodies (12) are fixedly connected with the rotating disc (13) in a sliding manner, the test bench (1) is provided with a test groove (14), and the test bench (1) is provided with a plurality of adjusting mechanisms.

2. A wheel hub test bench according to claim 1, characterized in that the adjustment mechanism comprises a lug (15) penetrating through the test bench (1) and being in sliding connection with the lug, a threaded sleeve (16) is fixedly connected to the bottom of the lug (15), a threaded rod (17) in threaded connection with the threaded sleeve is penetrated through the threaded sleeve (16), the threaded rod (17) is rotationally connected with the test bench (1), a worm wheel (18) is fixedly connected to the outer wall of the threaded rod (17), a worm (19) is meshed with the worm wheel (18), the worm (19) penetrates through the test bench (1) and is in sliding connection with the worm wheel, and a handle is fixedly connected to one end, far away from the test bench (1), of the worm (19).

3. A wheel hub test bench according to claim 1, characterized in that the diameter of the driven gear (7) is larger than the diameter of the driving gear (5).

4. A wheel hub test bench according to claim 1, characterized in that the sliding column (9) is mounted with a plurality of bolts to the wheel hub body (13).

5. A wheel hub test bench according to claim 2, characterized in that said lugs (15) are rectangular in cross section.

6. A wheel hub test bench according to claim 2, characterized in that the threaded sleeve (16) is provided with a groove, and the outer wall of the threaded rod (17) and the inner wall of the groove are provided with mating external and internal threads, respectively.