CN220583764U - Tensioning wheel bearing test assembly - Google Patents
Tensioning wheel bearing test assembly Download PDFInfo
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- CN220583764U CN220583764U CN202322259639.9U CN202322259639U CN220583764U CN 220583764 U CN220583764 U CN 220583764U CN 202322259639 U CN202322259639 U CN 202322259639U CN 220583764 U CN220583764 U CN 220583764U
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Abstract
The utility model provides a tension pulley bearing testing assembly, and belongs to the technical field of machinery. It has solved the longer problem of current device. The tensioning wheel bearing testing assembly comprises a frame and a clamp for positioning a bearing, wherein the frame comprises a support plate which is vertically arranged, a through hole which is horizontally penetrated along the thickness direction of the support plate is formed in the support plate, a main shaft is horizontally rotated in the through hole, and two ends of the main shaft extend out of the through hole and are fixedly connected with a belt pulley; the upper parts of the two belt pulleys are respectively provided with a clamp, the axis of a bearing on the clamp extends along the thickness direction of the supporting plate, the belt pulley corresponding to the position and the bearing are arranged up and down in parallel, and the belt pulley and the bearing are connected through a belt; a positioning plate is vertically arranged between the two clamps and the supporting plate, and the clamps are fixed on the corresponding positioning plates; the locating plate upside is equipped with the driving piece that is used for driving the locating plate to go up and down, and the locating plate downside is all connected with the backup pad through tension sensor. The tensioning wheel bearing testing assembly is short in length.
Description
Technical Field
The utility model belongs to the technical field of machinery, and relates to a testing assembly, in particular to a tensioning wheel bearing testing assembly.
Background
The automobile tension wheel bearing is applied to the periphery of an engine and is generally in a high-temperature environment, but in winter, the temperature of a part of areas is lower, the low-temperature environment is started, the bearing is in an environment of tens of degrees below zero, and in order to ensure that the developed bearing is suitable for large temperature difference change, corresponding testing equipment is developed by people, such as a tension wheel bearing temperature-changing endurance test device (application number: 201820873410.0) disclosed by China patent library, and the tension wheel bearing temperature-changing endurance test device comprises a test box, wherein the test box adopts the high-temperature box and the low-temperature box; the test box internally mounted has action wheel and bearing group, and the action wheel passes through the belt with the bearing group to be connected, the bearing group includes five test bearings, and test bearing passes through test bearing frame to be installed inside the test box, test bearing uses the connecting rod to be symmetry axis symmetric distribution, is S type, and the belt wrap angle is 180 ℃, the bearing group includes two accompany test bearings, accompany test bearing through accompany test bearing frame to install in the test box inside, and pass through the belt with test bearing connects, accompany test bearing sets up test bearing' S outside.
The device is provided with the test components on two sides of the driving wheel, and can be used for testing two types of bearings with different sizes. But the two test components are horizontally arranged in a straight line along the radial direction of the driving wheel, the whole length is too long, and more transverse area of the factory is occupied.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a tension wheel bearing testing assembly which solves the problems of reducing the length.
The aim of the utility model can be achieved by the following technical scheme: the tension pulley bearing testing assembly comprises a frame and a clamp for positioning a bearing, and is characterized in that the frame comprises a vertically arranged supporting plate, a through hole horizontally penetrating through the supporting plate in the thickness direction is formed in the supporting plate, a main shaft is horizontally arranged in the through hole in a rotating mode, and two ends of the main shaft extend out of the through hole and are fixedly connected with belt pulleys; the clamps are arranged above the two belt pulleys, the axes of the bearings on the clamps extend along the thickness direction of the supporting plate, the belt pulleys corresponding to the positions and the bearings are arranged up and down in parallel, and the two belt pulleys and the bearings are connected through a belt; a positioning plate is vertically arranged between the two clamps and the supporting plate, and the clamps are fixed on the corresponding positioning plates; the locating plate upside is equipped with the driving piece that is used for driving the locating plate to go up and down, and driving piece and locating plate quantity are the same and the position one-to-one, and the downside of every locating plate all is connected with the backup pad through tension sensor.
The test fixture consisting of the clamp, the locating plate, the tension sensor, the belt, the driving piece and the belt pulley is provided with two groups and is distributed on two sides of the thickness of the supporting plate, so that the length of the test assembly can be effectively reduced, the occupation of the transverse area of a factory is reduced, and more equipment can be accommodated in the same factory area.
In the above-mentioned tensioner bearing testing assembly, the above-mentioned supporting plate is further provided with a bar-shaped groove penetrating through the supporting plate in the thickness direction, the length of the bar-shaped groove extends in the vertical direction, and the bar-shaped groove is located between the two positioning plates. The supporting plate is provided with the strip-shaped groove between the two positioning plates, so that the weight and the material investment of the supporting plate can be reduced, and an observation window can be formed, so that an operator can also approximately check the whole running condition of the test assembly when standing at one side.
In the tensioning wheel bearing test assembly, the locating plate is connected with the supporting plate in a vertical sliding mode, so that accurate guiding is conducted on movement of the locating plate, and the tensioning degree of the belt is adjusted more accurately.
In the tensioning wheel bearing testing assembly, the driving piece is of a cylinder or an oil cylinder, a connecting rod is vertically arranged between the driving piece and the corresponding positioning plate, and two ends of the connecting rod are respectively connected with a piston rod of the corresponding driving piece and the corresponding positioning plate, so that the tensioning wheel bearing testing assembly has the advantages of being simple in structure, low in cost and the like. Naturally, the driving member may also be an electric push rod.
In the tension pulley bearing testing assembly, the upper end of the connecting rod is fixedly connected with the piston rod of the driving piece; the top of the positioning plate is horizontally fixed with a positioning block, a notch matched with the connecting rod vertically penetrates through the positioning block, and the lower end of the connecting rod is clamped into the notch; the outer wall of the lower end of the connecting rod is provided with an annular shaft shoulder and an annular convex part, the annular shaft shoulder and the annular convex part are respectively pressed at the top and the bottom of the positioning block, namely, the pull rod is connected with the positioning plate in a clamping notch mode, so that the assembly and the disassembly are convenient.
In the tension pulley bearing testing assembly, the notch consists of an upper notch and a lower notch which are coaxially arranged and are U-shaped, and the size of the lower notch is larger than that of the upper notch; the connecting rod outer wall and the annular convex part outer wall are both circumferential surfaces, and the annular convex part is clamped in the lower notch and is pressed on the bottom wall of the lower notch. By adopting the design, the connecting rod is clamped into the notch to guide, so that the assembly is convenient, the contact area between the connecting rod and the positioning block can be increased, and the positioning strength and stability of the connecting rod are improved.
In the tensioning wheel bearing durability test fixture assembly, the fixture is fixedly connected with the positioning plate through the horizontally arranged screws, threaded holes which penetrate through the positioning plate front and back and are matched with the screws are densely distributed on the positioning plate, so that the fixture is adaptive to fixtures of different sizes and shapes, and the practicability is better.
In the tensioning wheel bearing durability test fixture assembly, two guide rails are vertically fixed on two sides of the thickness of the supporting plate, the two guide rails on the same side are distributed on two sides of the strip-shaped groove, guide blocks are mounted on the guide rails, and the guide blocks are fixedly connected with corresponding positioning plates, so that the tensioning wheel bearing durability test fixture assembly has the advantages of being simple in structure, stable in operation and the like.
In the tensioning wheel bearing durability test tool assembly, the connecting hole is formed in the upper end of the connecting rod in the axial direction, and the piston rod of the driving piece is in threaded connection with the connecting hole.
Compared with the prior art, the tensioning wheel bearing durability test fixture assembly has the following advantages:
1. the test fixture consisting of the clamp, the locating plate, the tension sensor, the belt, the driving piece and the belt pulley is provided with two groups and is distributed on two sides of the thickness of the supporting plate, so that the length of the test assembly can be effectively reduced, the occupation of the transverse area of a factory is reduced, and more equipment can be accommodated in the same factory area.
2. The strip-shaped groove is arranged between the two positioning plates of the supporting plate, so that the weight and the material investment of the supporting plate can be reduced, and an observation window can be formed, so that an operator can also approximately check the whole running condition of the test assembly when standing at one side.
Drawings
Fig. 1 is a schematic diagram of a front view of a tensioner bearing test assembly.
FIG. 2 is a schematic cross-sectional structural view of a tensioner bearing test assembly.
Fig. 3 is a schematic view of a connection structure of the connecting rod and the positioning block.
In the figure, 1, a rack; 1a, a supporting plate; 1b, a strip-shaped groove; 2. a clamp; 2a, a supporting shaft; 2b, annular tabletting; 2c, an annular flange; 3. a bearing; 4. a main shaft; 5. a belt pulley; 6. a belt; 7. a positioning plate; 7a, a threaded hole; 8. a driving member; 9. a tension sensor; 10. a connecting rod; 10a, an annular shaft shoulder; 10b, annular projections; 11. a positioning block; 11a, notch; 11a1, upper notch; 11a2, lower notch; 12. and a guide rail.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 and 2, the present tensioner bearing test assembly includes a frame 1 and a fixture 2 for positioning a bearing 3. Wherein, frame 1 includes the backup pad 1a of vertical setting, and backup pad 1a is dull and stereotyped form. The fixture 2 comprises a support shaft 2a and an annular pressing sheet 2b coaxial with the support shaft 2a, wherein an annular flange 2c is formed at one end of the support shaft 2a, a cylinder matched with the bearing 3 is formed at the other end of the support shaft 2a, and a bolt hole is axially formed in the cylinder. During positioning, the bearing 3 is sleeved on the column body, the bolt rod part penetrates through the annular pressing piece 2b and is screwed into the bolt hole, the head of the bolt is pressed on the annular pressing piece 2b, and two ends of the inner ring of the bearing 3 are respectively pressed on the end face of the supporting shaft 2a and the annular pressing piece 2b so as to stably position the bearing 3.
In particular the number of the elements,
the supporting plate 1a is provided with a through hole which horizontally penetrates through the supporting plate 1a in the thickness direction, a main shaft 4 is horizontally arranged in the through hole in a rotating mode, and two ends of the main shaft 4 extend out of the through hole and are fixedly connected with a belt pulley 5. In an actual product, a positioning sleeve is horizontally fixed in the through hole, the positioning sleeve is sleeved outside the main shaft 4, and the main shaft 4 is rotatably supported in the positioning sleeve by using a ball bearing. The upper parts of the two belt pulleys 5 are respectively provided with a clamp 2, the axis of a bearing 3 on the clamp 2 extends along the thickness direction of the supporting plate 1a, and the belt pulleys 5 and the bearing 3 which are corresponding in position are arranged in parallel up and down and are connected through a belt 6. A positioning plate 7 is vertically arranged between the two clamps 2 and the supporting plate 1a, and the clamps 2 are fixed on the corresponding positioning plates 7; the locating plate 7 upside is equipped with the driving piece 8 that is used for driving locating plate 7 to go up and down, and driving piece 8 and locating plate 7 quantity and position one-to-one are the same, and the downside of every locating plate 7 all is connected with backup pad 1a through tension sensor 9.
The test fixture consisting of the clamp 2, the locating plate 7, the tension sensor 9, the belt 6, the driving piece 8 and the belt pulley 5 is provided with two groups and is distributed on the two sides of the thickness of the supporting plate 1a, so that the length of a test assembly can be effectively reduced, the occupation of the transverse area of a factory is reduced, and more equipment can be accommodated in the same factory area.
Further, the positioning plate 7 is slidably connected with the supporting plate 1a up and down, so as to precisely guide the movement of the positioning plate 7, and more precisely adjust the tension of the belt 6.
As shown in fig. 1 and 2, the support plate 1a further has a bar-shaped groove 1b penetrating the support plate 1a in the thickness direction, the length of the bar-shaped groove 1b extends in the vertical direction, and the bar-shaped groove 1b is located between the two positioning plates 7. The supporting plate 1a is provided with the strip-shaped groove 1b between the two positioning plates 7, so that the weight and the material investment of the supporting plate 1a can be reduced, and an observation window can be formed, so that an operator can also approximately check the whole running condition of the test assembly when standing on one side.
In the present embodiment of the present utility model, in the present embodiment,
the type of the driving piece 8 is an air cylinder or an oil cylinder, a connecting rod 10 is vertically arranged between the driving piece 8 and the corresponding positioning plate 7, and two ends of the connecting rod 10 are respectively connected with a piston rod of the corresponding driving piece 8 and the corresponding positioning plate 7, so that the device has the advantages of simple structure, low cost and the like. Naturally, the driving member 8 may also be an electric push rod.
Wherein,
the connecting rod 10 is connected with the driving member 8 as follows: the upper end of the connecting rod 10 is fixedly connected with a piston rod of the driving piece 8, specifically, a connecting hole is axially formed in the upper end of the connecting rod 10, and the piston rod of the driving piece 8 is in threaded connection with the connecting hole.
The connecting rod 10 and the positioning plate 7 are connected as follows: as shown in fig. 1 and 3, a positioning block 11 is horizontally fixed at the top of the positioning plate 7, a notch 11a matched with the connecting rod 10 is vertically penetrated through the positioning block 11, and the lower end of the connecting rod 10 is clamped into the notch 11 a; an annular shaft shoulder 10a and an annular convex part 10b are formed on the outer wall of the lower end of the connecting rod 10, and the annular shaft shoulder 10a and the annular convex part 10b are respectively pressed at the top and the bottom of the positioning block 11, namely, the pull rod is connected with the positioning plate 7 in a clamping notch 11a mode, so that the assembly and the disassembly are convenient. Further, the notch 11a is composed of an upper notch 11a1 and a lower notch 11a2 which are coaxially arranged and are all U-shaped, and the size of the lower notch 11a2 is larger than that of the upper notch 11a 1; the outer wall of the connecting rod 10 and the outer wall of the annular convex part 10b are both circumferential surfaces, and the annular convex part 10b is clamped in the lower notch 11a2 and is pressed on the bottom wall of the lower notch 11a 2. By adopting the design, the connecting rod 10 is clamped into the notch 11a for guiding, so that the assembly is convenient, the contact area between the connecting rod 10 and the positioning block 11 can be increased, and the positioning strength and stability of the connecting rod 10 are improved.
The positioning plate 7 is slidably connected with the support plate 1a as follows: two guide rails 12 are vertically fixed on two sides of the thickness of the supporting plate 1a, the two guide rails 12 on the same side are distributed on two sides of the strip-shaped groove 1b, guide blocks are mounted on the guide rails 12, and the guide blocks are fixedly connected with the corresponding positioning plates 7, so that the device has the advantages of being simple in structure, stable in work and the like. Naturally, the positioning plate 7 can also form a sliding connection with the supporting plate 1a through a sliding groove and sliding block structure.
As shown in fig. 1 and 2, the annular flange 2c is pressed against the corresponding positioning plate 7 and is fixedly connected with the positioning plate 7 by horizontally arranged screws. The locating plate 7 is densely provided with threaded holes 7a which penetrate through the locating plate front and back and are matched with screws so as to adapt to clamps 2 with different sizes and shapes, and the practicability is better.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The tension pulley bearing testing assembly comprises a frame (1) and a clamp (2) for positioning a bearing (3), and is characterized in that the frame (1) comprises a support plate (1 a) which is vertically arranged, a through hole which is horizontally penetrated along the thickness direction of the support plate (1 a) is formed in the support plate (1 a), a main shaft (4) is horizontally arranged in the through hole in a rotating mode, and two ends of the main shaft (4) extend out of the through hole and are fixedly connected with a belt pulley (5); the clamps (2) are arranged above the two belt pulleys (5), the axis of the bearing (3) on the clamps (2) extends along the thickness direction of the supporting plate (1 a), the belt pulleys (5) and the bearing (3) which are corresponding in position are arranged in parallel up and down, and the two belt pulleys are connected through the belt (6); a positioning plate (7) is vertically arranged between the two clamps (2) and the supporting plate (1 a), and the clamps (2) are fixed on the corresponding positioning plates (7); the locating plate (7) upside is equipped with driving piece (8) that are used for driving locating plate (7) to go up and down, and driving piece (8) and locating plate (7) quantity and position one-to-one are the same, and the downside of every locating plate (7) all is connected with backup pad (1 a) through tension sensor (9).
2. The tensioner bearing test assembly according to claim 1, wherein the support plate (1 a) further has a bar-shaped groove (1 b) penetrating the support plate (1 a) in a thickness direction thereof, a length of the bar-shaped groove (1 b) extends in a vertical direction, and the bar-shaped groove (1 b) is located between the two positioning plates (7).
3. Tensioner bearing test assembly according to claim 1, characterized in that the positioning plate (7) is in sliding connection with the support plate (1 a) up and down.
4. A tensioner bearing test assembly according to claim 3, characterized in that the driving member (8) is of the cylinder or oil cylinder type, a connecting rod (10) is vertically arranged between the driving member (8) and the corresponding positioning plate (7), and both ends of the connecting rod (10) are respectively connected with the piston rod of the corresponding driving member (8) and the corresponding positioning plate (7).
5. The tensioner bearing test assembly of claim 4, wherein the upper end of the connecting rod (10) is fixedly connected to the piston rod of the driver (8); a positioning block (11) is horizontally fixed at the top of the positioning plate (7), a notch (11 a) matched with the connecting rod (10) is vertically penetrated through the positioning block (11), and the lower end of the connecting rod (10) is clamped into the notch (11 a); an annular shaft shoulder (10 a) and an annular convex part (10 b) are formed on the outer wall of the lower end of the connecting rod (10), and the annular shaft shoulder (10 a) and the annular convex part (10 b) are respectively pressed at the top and the bottom of the positioning block (11).
6. The tensioner bearing test assembly of claim 5, wherein the notch (11 a) consists of an upper notch (11 a 1) and a lower notch (11 a 2) that are coaxially disposed and each have a U-shape, and the lower notch (11 a 2) is larger in size than the upper notch (11 a 1); the outer wall of the connecting rod (10) and the outer wall of the annular convex part (10 b) are both circumferential surfaces, and the annular convex part (10 b) is clamped in the lower notch (11 a 2) and is pressed on the bottom wall of the lower notch (11 a 2).
7. The tensioner bearing test assembly according to claim 1, wherein the fixture (2) is fixedly connected with the positioning plate (7) through horizontally arranged screws, and threaded holes (7 a) penetrating through the positioning plate (7) front and back and being matched with the screws are densely distributed on the positioning plate (7).
8. A tensioner bearing test assembly according to claim 3, characterized in that the two sides of the thickness of the support plate (1 a) are vertically fixed with two guide rails (12), the two guide rails (12) on the same side are distributed on the two sides of the bar-shaped groove (1 b), guide blocks are mounted on the guide rails (12), and the guide blocks are fixedly connected with the corresponding positioning plates (7).
9. The tensioner bearing test assembly of claim 5, wherein the upper end of the connecting rod (10) is axially provided with a connecting hole, and the piston rod of the driver (8) is screwed into the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322259639.9U CN220583764U (en) | 2023-08-22 | 2023-08-22 | Tensioning wheel bearing test assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322259639.9U CN220583764U (en) | 2023-08-22 | 2023-08-22 | Tensioning wheel bearing test assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220583764U true CN220583764U (en) | 2024-03-12 |
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ID=90113158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322259639.9U Active CN220583764U (en) | 2023-08-22 | 2023-08-22 | Tensioning wheel bearing test assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220583764U (en) |
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2023
- 2023-08-22 CN CN202322259639.9U patent/CN220583764U/en active Active
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