CN221066209U - Bearing test stand rotating shaft frame mounting structure - Google Patents
Bearing test stand rotating shaft frame mounting structure Download PDFInfo
- Publication number
- CN221066209U CN221066209U CN202322571197.1U CN202322571197U CN221066209U CN 221066209 U CN221066209 U CN 221066209U CN 202322571197 U CN202322571197 U CN 202322571197U CN 221066209 U CN221066209 U CN 221066209U
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- bearing
- bearing seat
- fixedly connected
- rotating shaft
- bolster
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 244000309464 bull Species 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 4
- 238000002474 experimental method Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model belongs to the technical field of test benches, in particular to a bearing test bench rotating shaft rack mounting structure, which comprises a bearing seat mounting bottom plate, wherein two fixing plates are fixedly connected to the bottom of the bearing seat mounting bottom plate, two bidirectional ball screws are rotatably connected to the fixing plates through bearings, two lower bearing seats are connected to the bidirectional ball screws in a threaded manner, and a rotating block is fixedly connected to one end of each bidirectional ball screw; through setting up two-way ball screw, for the problem of solving the unable pivot of installing different length of pivot frame, need rotatory piece, revolve the piece and drive two-way ball screw and rotate, two-way ball screw drives down the bearing seat and to opposite direction motion, wherein the bearing housing is equipped with the ball nut seat with two-way ball screw junction, guarantees the radial motion of bearing housing through the ball nut seat, and the bearing housing moves to suitable position, stops rotatory piece, solves the problem of the unable pivot of installing different length of pivot frame.
Description
Technical Field
The utility model belongs to the technical field of test benches, and particularly relates to a bearing test bench rotating shaft rack mounting structure.
Background
In the bearing field, a mechanical test is usually required to be carried out by installing a bearing on a rotating shaft frame, the bearing is connected with an upper bearing seat through a lower bearing seat, the upper bearing seat and the lower bearing seat are horizontally positioned through the outer diameter of the bearing, a rotating shaft is installed between the two bearings, and the rotating shaft is installed on the rotating shaft frame.
The current bearing test bench pivot frame has bearing frame mounting plate, the step, the structure such as pivot is constituteed, there are two step at the top of bearing frame mounting plate through bolt threaded connection, there is the step at the top of two step through bolt threaded connection, rotate between step and the step and be connected with the bearing, install the pivot in the bearing, at the during operation, fix the step on bearing frame mounting plate through bolt threaded connection, then pass through the bolt fastening at the top of step with the step, thereby can insert the bearing between step and the step, continue fastening the bolt on the step can.
At present, a bearing experiment table rotating shaft frame in the prior art can be connected to a bearing seat mounting bottom plate through bolts in a threaded manner, but the distance between two lower bearing seats is fixed, so that the length of an installed rotating shaft is fixed, and in the experiment, the rotating shaft has different lengths, and the rotating shaft frame has certain limitation and cannot be provided with rotating shafts with different lengths.
Therefore, a bearing test stand rotating shaft frame mounting structure is provided for the problems.
Disclosure of utility model
In order to make up the defects of the prior art and solve the problem that rotating shafts with different lengths cannot be installed, the rotating shaft frame installation structure of the bearing test stand is provided.
The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a bearing test stand rotating shaft frame mounting structure, which comprises a bearing seat mounting bottom plate, wherein two fixing plates are fixedly connected to the bottom of the bearing seat mounting bottom plate, two bidirectional ball screws are rotatably connected to the fixing plates through bearings, two lower bearing seats are connected to the bidirectional ball screws in a threaded manner, a rotating block is fixedly connected to one end of each bidirectional ball screw, two guide rails are connected to the bottoms of the two lower bearing seats in a sliding manner, and the guide rails are fixedly connected to the top of the bearing seat mounting bottom plate.
Preferably, the top of bolster has two mounting panels, two the top of mounting panel all rotates through the pivot and is connected with the bull stick, all the rigid coupling has the bolster on the bull stick, all rotate between bolster and the bolster and be connected with the bearing body, all be equipped with the pivot body in the bearing body, the top of bolster all the rigid coupling has the handle.
Preferably, the top of bearing frame all sliding connection has the fixed block, the top of fixed block all rigid coupling has the spliced pole, the outside of spliced pole all overlaps and is equipped with the spring, the bottom of spring all rigid coupling is at the top of fixed block, the movable groove has all been seted up to the bolster, the top of spring all rigid coupling is at the top inner wall in movable groove, the top of spliced pole all is connected with the dwang through the round pin axle rotation.
Preferably, slots are formed in the top ends of the lower bearing seats, the inserting columns are inserted into the slots, and the fixing blocks slide in the slots.
Preferably, the upper bearing seat is fixedly connected with an oil filling port in a communicating manner, and plugs are arranged at the tops of the oil filling ports.
Preferably, two guiding openings are formed in the bottom of the lower bearing seat, and the guide rails slide in the guiding openings.
The utility model has the beneficial effects that:
the utility model provides a bearing test stand rotating shaft frame mounting structure, which is characterized in that a bidirectional ball screw is arranged, a bearing test stand rotating shaft frame in the prior art can be connected to a bearing seat mounting bottom plate through a bolt in a threaded manner, but the distance between two lower bearing seats is fixed, so that the length of a mounted rotating shaft is fixed, in the experiment, the rotating shafts have different lengths, in order to solve the problem that the rotating shaft frame cannot mount rotating shafts with different lengths, a rotating block is required to rotate, the rotating block drives the bidirectional ball screw to rotate, the bidirectional ball screw drives the lower bearing seat to move in opposite directions, a ball nut seat is arranged at the joint of the lower bearing seat and the bidirectional ball screw, the radial movement of the lower bearing seat is ensured through the ball nut seat, the lower bearing seat moves to a proper position, and the rotating block is stopped, so that the problem that the rotating shaft frame cannot mount rotating shafts with different lengths is solved.
The utility model provides a bearing test stand rotating shaft frame mounting structure, which is characterized in that a spring and a fixed block are arranged, a rotating shaft body can be placed above a lower bearing seat after adjustment is completed, an upper bearing seat is rotated downwards, so that the bearing body is attached to the upper bearing seat and the lower bearing seat, a rotating rod can be rotated downwards to solve the problem of fixing the upper bearing seat at the top of the lower bearing seat, the rotating rod rotates to be contacted with the top of the upper bearing seat, the gravity center becomes low, so that a pin shaft joint drives a plug post to move downwards, the plug post drives a fixed block to move downwards, the spring is compressed, the fixed block is inserted into the bottom of a slot, the problem of quickly fixing the upper bearing seat at the top of the lower bearing seat is realized, when the upper bearing seat needs to be disassembled, the rotating rod is rotated upwards, the bottom of the rotating rod is contacted with the top of the upper bearing seat, the gravity center becomes high, the fixed block is driven to move upwards under the action of the spring, and the fixed block drives the plug post to move upwards, and the fixed block leaves a slot, and the bearing seat can be disassembled.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of a cross section of the present utility model;
FIG. 3 is a perspective view of the upper and lower bearing housings of the present utility model;
FIG. 4 is a perspective view of the interior of a socket according to the present utility model;
FIG. 5 is a perspective view of a spring of the present utility model;
legend description:
1. A bearing seat mounting bottom plate; 2. a fixing plate; 3. a two-way ball screw; 4. rotating the block; 5. a guide rail; 6. a lower bearing seat; 7. a mounting plate; 8. a rotating rod; 9. an upper bearing seat; 10. a bearing body; 11. a rotating shaft body; 12. a handle; 13. an oil filling port; 14. a plug; 15. a rotating lever; 16. inserting a column; 17. a spring; 18. a slot; 19. a fixed block; 20. a guide opening.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Specific examples are given below.
Referring to fig. 1-5, the utility model provides a bearing test stand rotating shaft frame installation structure, which comprises a bearing seat installation bottom plate 1, wherein two fixing plates 2 are fixedly connected to the bottom of the bearing seat installation bottom plate 1, two bidirectional ball screws 3 are rotatably connected to the fixing plates 2 through bearings, two lower bearing seats 6 are connected to the bidirectional ball screws 3 in a threaded manner, a rotating block 4 is fixedly connected to one end of each bidirectional ball screw 3, two guide rails 5 are slidably connected to the bottoms of the two lower bearing seats 6, and the guide rails 5 are fixedly connected to the top of the bearing seat installation bottom plate 1.
During operation, at present prior art medium bearing experiment table pivot frame accessible bolt threaded connection is on bearing frame mounting plate 1, but the distance between two bolster 6 is fixed, so the pivot length of installation is fixed, during the experiment, the pivot has different length, in order to solve the unable problem of installing the pivot of different length of pivot frame, need rotatory piece 4, rotatory piece 4 drives two-way ball screw 3 and rotates, two-way ball screw 3 drives bolster 6 to opposite direction motion, wherein bolster 6 and two-way ball screw 3 junction are equipped with the ball nut seat, guarantee bolster 6 radial motion through the ball nut seat, bolster 6 moves to suitable position, stop rotatory piece 4, solve the unable problem of installing the pivot of different length of pivot frame.
Further, as shown in fig. 3, two mounting plates 7 are fixedly connected to the top of the lower bearing seat 6, two rotating rods 8 are rotatably connected to the top of the mounting plates 7 through rotating shafts, upper bearing seats 9 are fixedly connected to the rotating rods 8, bearing bodies 10 are rotatably connected between the upper bearing seats 9 and the lower bearing seat 6, rotating shaft bodies 11 are arranged in the bearing bodies 10, and handles 12 are fixedly connected to the top of the upper bearing seats 9.
During operation, after the adjustment is completed, the rotating shaft body 11 can be placed above the lower bearing seat 6, the upper bearing seat 9 is rotated downwards, and the bearing body 10 is attached to the upper bearing seat 9 and the lower bearing seat 6, so that the fixing can be performed.
Further, as shown in fig. 5, the top end of the lower bearing seat 6 is slidably connected with a fixed block 19, the top of the fixed block 19 is fixedly connected with an inserting column 16, the outer side of the inserting column 16 is sleeved with a spring 17, the bottom of the spring 17 is fixedly connected with the top of the fixed block 19, the upper bearing seat 9 is provided with a movable groove, the top of the spring 17 is fixedly connected with the inner wall of the top of the movable groove, and the top of the inserting column 16 is rotatably connected with a rotating rod 15 through a pin shaft.
In order to solve the problem that the upper bearing seat 9 is fixed at the top of the lower bearing seat 6, the rotating rod 15 can be rotated downwards, the rotating rod 15 is rotated to be in contact with the top of the upper bearing seat 9, the gravity center is low, the pin shaft joint drives the inserting column 16 to move downwards, the inserting column 16 drives the fixing block 19 to move downwards, the spring 17 is compressed, the fixing block 19 is inserted into the bottom of the slot 18, the problem that the upper bearing seat 9 is rapidly fixed at the top of the lower bearing seat 6 is solved, when the upper bearing seat 9 is required to be disassembled, the rotating rod 15 is rotated upwards, the bottom of the rotating rod 15 is rotated to be in contact with the top of the upper bearing seat 9, the gravity center is high, the fixing block 19 is driven to move upwards under the action of the spring 17, the fixing block 19 drives the inserting column 16 to move upwards, and the fixing block 19 is separated from the slot 18, so that the upper bearing seat 9 can be disassembled.
Further, as shown in fig. 4, the top end of the lower bearing seat 6 is provided with a slot 18, the insert posts 16 are inserted into the slot 18, and the fixing blocks 19 slide in the slot 18.
During operation, the fixing block 19 is inserted into the slot 18, so that the fixing block 19 can be fixed in the slot 18, the upper bearing seat 9 is fixed, the fixing block 19 leaves the slot 18, and the fixing of the fixing block 19 in the slot 18 can be canceled, so that the upper bearing seat 9 is detached.
Further, as shown in fig. 2, the upper bearing seat 9 is fixedly connected with an oil filling port 13, and plugs 14 are installed at the top of the oil filling port 13.
During operation, in the experiment of the bearing body 10, in order to facilitate the rotation of the bearing body 10, lubricating oil can be injected through the oil injection port 13, so that the rotation of the bearing body 10 is smoother.
Further, as shown in fig. 3, two guiding openings 20 are respectively formed at the bottom of the lower bearing seat 6, and the guiding rails 5 slide in the guiding openings 20.
During operation, the lower bearing seat 6 slides in the guide opening 20 in the moving process, and the lower bearing seat 6 is limited in the horizontal direction by the guide rail 5.
Working principle: in the prior art, a bearing experiment table rotating shaft frame can be connected to a bearing seat mounting bottom plate 1 through bolts in a threaded manner, but the distance between two lower bearing seats 6 is fixed, so that the length of a mounted rotating shaft is fixed, in an experiment, the rotating shaft has different lengths, in order to solve the problem that the rotating shaft frame cannot mount rotating shafts with different lengths, a rotating block 4 is required to rotate, the rotating block 4 drives a bidirectional ball screw 3 to rotate, the bidirectional ball screw 3 drives the lower bearing seats 6 to move in opposite directions, ball nut seats are arranged at the joints of the lower bearing seats 6 and the bidirectional ball screw 3, radial movement of the lower bearing seats 6 is ensured through the ball nut seats, the lower bearing seats 6 move to proper positions, the rotating block 4 stops rotating, and the problem that the rotating shaft frame cannot mount rotating shafts with different lengths is solved; after the adjustment is finished, the rotating shaft body 11 can be placed above the lower bearing seat 6, the upper bearing seat 9 is rotated downwards, the bearing body 10 is attached to the upper bearing seat 9 and the lower bearing seat 6, in order to solve the problem that the upper bearing seat 9 is fixed at the top of the lower bearing seat 6, the rotating rod 15 can be rotated downwards, the rotating rod 15 is rotated to be in contact with the top of the upper bearing seat 9, the gravity center is lowered, the inserting column 16 is driven to move downwards through the pin shaft connection part, the inserting column 16 drives the fixing block 19 to move downwards, the spring 17 is compressed, the fixing block 19 is inserted into the bottom of the slot 18, the problem that the upper bearing seat 9 is quickly fixed at the top of the lower bearing seat 6 is achieved, when the disassembly is needed, the rotating rod 15 is rotated upwards, the bottom of the rotating rod 15 is contacted with the top of the upper bearing seat 9, the gravity center is raised, the fixing block 19 is driven to move upwards under the action of the spring 17, the fixing block 19 is driven to move the inserting column 16 upwards, and the fixing block 19 is driven to move upwards, and the fixing block 19 is separated from the slot 18, and the disassembly can be achieved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a bearing test bench pivot frame mounting structure, includes bearing frame mounting plate (1), its characterized in that: the bearing pedestal comprises a bearing pedestal mounting bottom plate (1), two fixing plates (2) are fixedly connected to the bottom of the bearing pedestal mounting bottom plate (1), two bidirectional ball screws (3) are rotatably connected to the fixing plates (2) through bearings, two lower bearing pedestals (6) are connected to the bidirectional ball screws (3) in a threaded mode, rotating blocks (4) are fixedly connected to one ends of the bidirectional ball screws (3), two guide rails (5) are slidably connected to the bottoms of the lower bearing pedestals (6), and the guide rails (5) are fixedly connected to the tops of the bearing pedestal mounting bottom plate (1).
2. The bearing test stand rotating shaft frame mounting structure according to claim 1, wherein: the top of bolster bearing housing (6) all rigid coupling has two mounting panel (7), two the top of mounting panel (7) all rotates through the pivot and is connected with bull stick (8), all the rigid coupling has bolster bearing housing (9) on bull stick (8), all rotate between bolster bearing housing (9) and bolster bearing housing (6) and be connected with bearing body (10), all be equipped with pivot body (11) in bearing body (10), the top of bolster bearing housing (9) all rigid coupling has handle (12).
3. The bearing test stand rotating shaft frame mounting structure according to claim 2, wherein: the top of bolster bearing housing (6) all sliding connection has fixed block (19), the top of fixed block (19) all is fixedly connected with inserted column (16), the outside of inserted column (16) all overlaps and is equipped with spring (17), the bottom of spring (17) all is fixedly connected at the top of fixed block (19), the movable groove has all been seted up to bolster bearing housing (9), the top of spring (17) all is fixedly connected at the top inner wall in movable groove, the top of inserted column (16) all is connected with dwang (15) through the round pin axle rotation.
4. A bearing test stand spindle mount structure according to claim 3, wherein: the top of the lower bearing seat (6) is provided with slots (18), the inserting posts (16) are inserted into the slots (18), and the fixing blocks (19) slide in the slots (18).
5. The bearing test stand rotating shaft frame mounting structure according to claim 4, wherein: the upper bearing seat (9) is fixedly connected with an oil filling port (13), and plugs (14) are arranged at the tops of the oil filling ports (13).
6. The bearing test stand rotating shaft frame mounting structure according to claim 5, wherein: two guide openings (20) are formed in the bottom of the lower bearing seat (6), and the guide rails (5) slide in the guide openings (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571197.1U CN221066209U (en) | 2023-09-21 | 2023-09-21 | Bearing test stand rotating shaft frame mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571197.1U CN221066209U (en) | 2023-09-21 | 2023-09-21 | Bearing test stand rotating shaft frame mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221066209U true CN221066209U (en) | 2024-06-04 |
Family
ID=91273308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322571197.1U Active CN221066209U (en) | 2023-09-21 | 2023-09-21 | Bearing test stand rotating shaft frame mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221066209U (en) |
-
2023
- 2023-09-21 CN CN202322571197.1U patent/CN221066209U/en active Active
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