CN220398889U - Swing performance testing device for rocker arm bearing - Google Patents

Abstract

The utility model belongs to the technical field of testing devices, and particularly relates to a rocker arm bearing swing performance testing device which comprises a bottom plate, wherein a fixing groove is formed in the top of the bottom plate, the inner walls of two sides of the fixing groove are fixedly provided with the same fixing rod, two symmetrically arranged first sliding seats are slidably arranged on the fixing rod, one sides, far away from each other, of the two first sliding seats are fixedly provided with one ends of first springs, the other ends of the first springs are fixedly arranged on the inner walls of the fixing groove, a testing table is arranged at the top of the bottom plate, a connecting seat is fixedly arranged at the bottom of the testing table, the top of the testing table is fixedly provided with a connecting column, a rocker arm is rotatably arranged on the connecting column, and a bearing is arranged on the rocker arm. The second spring can be extruded through the sliding of the second sliding seat, so that the second spring is in a compressed state, and the test bench can be well damped through the elastic force of the first spring and the second spring, so that errors generated during testing are reduced.

Description

Swing performance testing device for rocker arm bearing

Technical Field

The utility model relates to the field of testing devices, and particularly discloses a swinging performance testing device for a rocker arm bearing.

Background

The temperature rise phenomenon can occur in the operation process of the rocker arm bearing, and the performance of the rocker arm bearing can be influenced by the fact that the temperature is too high, so that the temperature, vibration and other aspects of the rocker arm bearing are required to be tested under the specified test conditions, and the performance of the rocker arm bearing is judged by analyzing experimental data such as the temperature of the rocker arm bearing in a swinging state. In performance testing for rocker bearings, a tester, such as a rocker bearing life tester, is required. However, the existing testing machine has a complex structure and high cost.

Application number 202022954559.1 relates to rocking arm bearing check out test set technical field, especially a rocking arm bearing swing performance testing arrangement, including the rocking arm bearing body, the rotation axis is worn to be equipped with by rocking arm bearing body bearing end, and the rotation axis both ends are fixed through supporting mechanism, and the rocking arm bearing body tail end passes through rotary mechanism and connects, and the rotary mechanism lower extreme is equipped with the hydraulic cylinder that is used for lifting rotary mechanism. According to the device for testing the swing performance of the rocker arm bearing, the tail end of the rocker arm bearing body connected with the rotating shaft is rotatably connected to the piston rod end of the hydraulic cylinder, the piston rod is lifted up and down, so that the up and down swing of the rocker arm bearing body is realized, the temperature change of the rocker arm bearing in a swing state is conveniently detected, and the device for testing the swing performance of the rocker arm bearing is simple in structure, convenient to operate and low in manufacturing cost.

Since the device is easy to vibrate when being used for a long time, so that errors can be generated during testing, the device for testing the swing performance of the rocker arm bearing is provided for solving the problems.

Disclosure of Invention

In view of the above-mentioned defect or not enough among the prior art, this application aims at providing a rocking arm bearing swing performance testing arrangement, comprising a base plate, the fixed slot has been seted up at the top of bottom plate, fixed mounting has same dead lever on the both sides inner wall of fixed slot, slidable mounting has the first sliding seat of two symmetry settings on the dead lever, and one side fixed mounting that two first sliding seats kept away from each other has the one end of first spring, and the other end fixed mounting of first spring is on the inner wall of fixed slot, the top of bottom plate is equipped with the testboard, the bottom fixed mounting of testboard has the connecting seat, the top fixed mounting of testboard has the spliced pole, rotate on the spliced pole and install the rocking arm, be equipped with the bearing on the rocking arm, the bottom fixed mounting of testboard has the square board of two symmetry settings, the connecting block has the elevating slot at the top of connecting piece, all seted up the spread groove on the both sides inner wall of elevating slot, fixed mounting has the same upper end on the top inner wall of connecting slot and the bottom inner wall, the fixed mounting has the second fixed mounting of second spring, the second fixed mounting of the top of the second sliding seat has the second spring.

Preferably, the top of the first sliding seat extends to the outer side of the fixed groove and is rotatably provided with one end of the first rotating rod, and the other end of the first rotating rod is rotatably arranged on the connecting seat.

Preferably, a rotating speed sensor is arranged at the top of the connecting column, and a temperature sensor is arranged at one side of the connecting column.

Preferably, the lifting plate is slidably mounted in the lifting groove, one side, close to each other, of the two second sliding seats extends into the lifting groove and is fixedly mounted on the lifting plate, and the top of the lifting plate extends to the outer side of the lifting groove.

Preferably, the lifting plate is fixedly provided with a square, one end of the second rotating rod is rotatably arranged on the square, and the other end of the second rotating rod is rotatably arranged on the square.

Preferably, a sliding hole is formed in one side of the first sliding seat, a sealing ring is arranged on the side wall of the sliding hole, and the first sliding seat is in sliding sealing connection with the fixing rod through the sealing ring.

Advantageous effects

1. This rocking arm bearing swing capability test device can drive the lifter plate through the rotation of second bull stick and go up and down, and the lifter plate goes up and down to drive the second sliding seat and slide, and the second sliding seat slides and can extrudees the second spring for the second spring is in compression state, thereby carries out the shock attenuation to the testboard that elasticity effect through first spring and second spring can be fine, thereby reduces the error that produces when testing.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a side view of the connecting post and rocker arm.

In the figure: 1. a bottom plate; 2. a fixing groove; 3. a fixed rod; 4. a first sliding seat; 5. a first spring; 6. a first rotating lever; 7. a connecting seat; 8. a test bench; 9. a square plate; 10. a connecting column; 11. a rocker arm; 12. a temperature sensor; 13. a rotation speed sensor; 14. a connecting block; 15. a second rotating rod; 16. a lifting groove; 17. a connecting groove; 18. fixing the column; 19. a second spring; 20. a lifting plate; 21. a second sliding seat; 22. and (5) square blocks.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

The drawings in the embodiments of the utility model: the different kinds of cross-sectional lines in the drawings are not marked according to national standards, and the material of the elements is not required, so that the cross-sectional views of the elements in the drawings are distinguished.

Referring to fig. 1-3, a swing performance testing device for a rocker arm bearing comprises a bottom plate 1, a fixing groove 2 is formed in the top of the bottom plate 1, the same fixing rod 3 is fixedly installed on inner walls of two sides of the fixing groove 2, two symmetrically-arranged first sliding seats 4 are slidably installed on the fixing rod 3, one ends of first springs 5 are fixedly installed on two sides of the two first sliding seats 4, which are far away from each other, the other ends of the first springs 5 are fixedly installed on the inner walls of the fixing groove 2, a test table 8 is arranged at the top of the bottom plate 1, a connecting seat 7 is fixedly installed at the bottom of the test table 8, a connecting column 10 is fixedly installed at the top of the test table 8, a rocker arm 11 is rotatably installed on the connecting column 10, a bearing is arranged on the rocker arm 11, two symmetrically-arranged square plates 9 are fixedly installed at the bottom of the test table 8, two symmetrically-arranged connecting blocks 14 are fixedly installed at the top of the bottom plate 1, lifting grooves 16 are formed in the tops of the connecting blocks 14, connecting grooves 17 are respectively formed in the inner walls of two sides of the lifting grooves 16, one end of the connecting groove 17 is fixedly installed on the inner walls of the top of the connecting groove 17, a connecting column 18 is fixedly installed on the inner wall of the bottom of the connecting groove, a connecting column 18 is fixedly installed on the connecting column 21, a connecting column 10 is fixedly installed on the top of the connecting column 21 is fixedly installed on the inner wall, a connecting column 21 is fixedly installed on the top of the second end of the connecting column 21 is fixedly installed on the second end of the connecting column 21, and the connecting column 21 is fixedly installed on the top other top of the connecting column 21.

Wherein, the top of first sliding seat 4 extends to the outside of fixed slot 2 and rotates the one end of installing first dwang 6, and the other end of first dwang 6 rotates and installs on connecting seat 7, thereby can drive first dwang 6 and rotate when testboard 8 goes up and down through the setting of first dwang 6, and first dwang 6 rotates and can drive first sliding seat 4 and slide.

The top of the connecting column 10 is provided with a rotation speed sensor 13, one side of the connecting column 10 is provided with a temperature sensor 12, and the rocker arm 11 can be well tested through the arrangement of the rotation speed sensor 13 and the temperature sensor 12.

Wherein, sliding installation has lifter plate 20 in the lift groove 16, and one side that two second sliding seats 21 are close to each other extends to in the lift groove 16 and fixed mounting on lifter plate 20, and the top of lifter plate 20 extends to the outside of lift groove 16, thereby can make when lifter plate 20 goes up and down can drive second sliding seat 21 and go up and down through the setting of second sliding seat 21 and lifter plate 20.

Wherein, fixed mounting has square 22 on the lifter plate 20, rotates the one end of installing second bull stick 15 on the square 9, and the other end of second bull stick 15 rotates and installs on square 22, thereby can drive second bull stick 15 and rotate when square 9 goes up and down through the setting of second bull stick 15, and second bull stick 15 rotates and can drive lifter plate 20 and go up and down.

Wherein, the slide hole has been seted up to one side of first sliding seat 4, is equipped with the sealing washer on the lateral wall of slide hole, and first sliding seat 4 is through sealing washer and dead lever 3 sliding seal connection, thereby can reduce the frictional force that receives when first sliding seat 4 slides through the setting of sealing washer to first sliding seat 4 slides of being convenient for.

During the use, can carry out fine test to rocking arm 11 through the setting of rotation speed sensor 13 and temperature sensor 12, when testboard 8 takes place to shake, testboard 8 drives first bull stick 6 and rotates, first bull stick 6 rotates and can drive first sliding seat 4 and slide, first sliding seat 4 slides and can extrude first spring 5, make first spring 5 be in compression state, and testboard 8 goes up and down and can drive square board 9 and go up and down, square board 9 goes up and down and can drive second bull stick 15 and rotate, second bull stick 15 rotates and can drive lifter plate 20 and goes up and down, lifter plate 20 goes up and down and can drive second sliding seat 21 and slide, second sliding seat 21 slides and can extrude second spring 19, make second spring 19 be in compression state, thereby elasticity through first spring 5 and second spring 19 effect can be fine carry out the shock attenuation to testboard 8, thereby reduce the error that produces when testing. What is not described in detail in this specification is prior art known to those skilled in the art.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (6)

1. The utility model provides a rocking arm bearing swing performance testing arrangement, includes bottom plate (1), its characterized in that: the utility model discloses a test device, including bottom plate (1), fixed slot (2) have been seted up at the top of bottom plate (1), same dead lever (3) of fixed mounting on the both sides inner wall of fixed slot (2), slidable mounting has two first sliding seat (4) that set up symmetrically on dead lever (3), one side fixed mounting that two first sliding seat (4) kept away from each other has one end of first spring (5), the other end fixed mounting of first spring (5) is on the inner wall of fixed slot (2), the top of bottom plate (1) is equipped with testboard (8), the bottom fixed mounting of testboard (8) has connecting seat (7), the top fixed mounting of testboard (8) has spliced pole (10), rotationally install rocking arm (11) on spliced pole (10), be equipped with the bearing on rocking arm (11), the bottom fixed mounting of testboard (8) has square board (9) that two symmetries set up each other, the top fixed mounting of bottom plate (1) has connecting block (14) that two symmetries set up, the top of testboard (14) is equipped with lifting groove (16), the top of testboard (8) is equipped with connecting seat (18), the fixed mounting of connecting seat (18) has on two inner wall (17) and the same fixed slot (17) on the bottom of connecting seat (17), one end of a second spring (19) is fixedly arranged at the top of the second sliding seat (21), and the other end of the second spring (19) is fixedly arranged on the inner wall of the top of the connecting groove (17).

2. The swing performance testing device for a rocker bearing according to claim 1, wherein: the top of the first sliding seat (4) extends to the outer side of the fixed groove (2) and is rotatably provided with one end of a first rotating rod (6), and the other end of the first rotating rod (6) is rotatably arranged on the connecting seat (7).

3. The swing performance testing device for a rocker bearing according to claim 1, wherein: the top of spliced pole (10) is equipped with rotational speed sensor (13), one side of spliced pole (10) is equipped with temperature sensor (12).

4. The swing performance testing device for a rocker bearing according to claim 1, wherein: and a lifting plate (20) is slidably installed in the lifting groove (16), one side, close to each other, of the two second sliding seats (21) extends into the lifting groove (16) and is fixedly installed on the lifting plate (20), and the top of the lifting plate (20) extends to the outer side of the lifting groove (16).

5. The swing performance testing device for a rocker bearing according to claim 4, wherein: the lifting plate (20) is fixedly provided with a square block (22), one end of the second rotating rod (15) is rotatably arranged on the square plate (9), and the other end of the second rotating rod (15) is rotatably arranged on the square block (22).

6. The swing performance testing device for a rocker bearing according to claim 1, wherein: a sliding hole is formed in one side of the first sliding seat (4), a sealing ring is arranged on the side wall of the sliding hole, and the first sliding seat (4) is in sliding sealing connection with the fixed rod (3) through the sealing ring.