CN217819343U - Coupling structure for bearing large-load bearing strengthening life test - Google Patents
Coupling structure for bearing large-load bearing strengthening life test Download PDFInfo
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- CN217819343U CN217819343U CN202221397739.7U CN202221397739U CN217819343U CN 217819343 U CN217819343 U CN 217819343U CN 202221397739 U CN202221397739 U CN 202221397739U CN 217819343 U CN217819343 U CN 217819343U
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Abstract
The utility model relates to a bear big load bearing and strengthen life test's coupling structure, include: the bearing strengthening life tester is provided with an output shaft, a bearing seat, an output shaft bearing arranged in the bearing seat, a square hole arranged at one end of a test shaft, a connecting shaft with a square head matched with the square hole arranged at one end, coupling sleeves with two ends in one-to-one correspondence with one end of the output shaft and the other end of the connecting shaft through key connection, two locking screw holes arranged at the outer side wall of the coupling sleeves and respectively communicated with inner holes of the coupling sleeves, and two locking screws; the square head is inserted into the square hole, one locking screw presses the side wall at one end of the output shaft and is in threaded connection with one locking screw hole, and the other locking screw presses the side wall at the other end of the connecting shaft and is in threaded connection with the other locking screw hole. According to the coupling structure for bearing the heavy-load bearing and strengthening the service life test, the square head of the connecting shaft cannot withdraw from the square hole of the test shaft, the test data is accurate, the test time cannot be delayed, and the test cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the experimental technique of bearing and specifically relates to a bear big load bearing and strengthen life-span experimental coupling structure.
Background
A bearing strengthening life tester is used for bearing, and the tested bearing needs to bear a large load; the ABLT bearing strengthens the life test machine, the power of the main motor 9KW, is used for testing 6218 bearing, the radial, axial of the bearing must bear the force of 3000KG respectively; the normal test period is generally 2-3 months; during testing, one end of the connecting shaft provided with the square head for connection is inserted into a square hole formed in one end of a testing shaft of the bearing device, and the other end of the connecting shaft is connected with an output shaft of the bearing reinforced life testing machine through a coupler; the square head of connecting axle is often found in the test process and is easily withdrawed from the square hole of test axle, cause test axle and not rotated along with the output shaft by the test bearing, lead to the inaccurate test data need to be retested, both delay time and increase expense, consequently, design the square head of a connecting axle and can not withdraw from the square hole of test axle, the test data is accurate, test time can not delay, reduce the bearing of test expense and bear the weight of the big load bearing and strengthen the coupling structure of life test, become the problem that awaits the opportune moment and solve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's not enough, providing a square head of connecting axle can not withdraw from in the square hole of test axle, and experimental data is accurate, and test time can not hinder, reduces the bearing big load bearing of experimental expense and strengthens life test's shaft coupling structure.
The utility model has the following specific technical scheme:
a bearing coupling structure for bearing a large-load bearing strengthening life test comprises: the bearing strengthening life tester is provided with an output shaft, a bearing seat and an output shaft bearing arranged in the bearing seat, a square hole is arranged at one end of the test shaft, a connecting shaft with a square head matched with the square hole is arranged at one end of the test shaft, coupling sleeves are in one-to-one correspondence with one end of the output shaft and the other end of the connecting shaft through key connection at two ends, two locking screw holes and two locking screws, wherein the two locking screw holes are arranged on the outer side wall of the coupling sleeves and are respectively communicated with inner holes of the coupling sleeves; the square head is inserted into the square hole, one locking screw presses the side wall at one end of the output shaft and is in threaded connection with one locking screw hole, and the other locking screw presses the side wall at the other end of the connecting shaft and is in threaded connection with the other locking screw hole.
Preferably, the coupling structure for bearing heavy load bearing service life test further comprises: the backstop screw is arranged on the outer side wall of the coupling sleeve, and comprises a backstop through hole communicated with the inner hole and a backstop screw hole opposite to the backstop through hole; the retaining screw penetrates through the retaining through hole and is in threaded connection with the retaining screw hole, and the retaining screw blocks the other end of the connecting shaft.
Preferably, the coupling sleeve and the end face of one end of the output shaft connected through the key are provided with a plurality of disassembling screw holes, and a plurality of disassembling screws in one-to-one corresponding to the disassembling screw holes are screwed.
Preferably, the bearing support device comprises: the outer barrel is sleeved outside the test shaft, the plurality of bearings to be tested are arranged between the test shaft and the outer barrel, the through cover is sleeved outside the test shaft and detachably connected with one end of the outer barrel, and the blank cover is detachably connected with the other end of the outer barrel.
Compared with the prior art, the beneficial effects of the utility model are that: the coupling structure for bearing the large-load bearing and strengthening the service life test is characterized in that the square head is inserted into the square hole, one locking screw presses the side wall at one end of the output shaft and is in threaded connection with one locking screw hole, the other locking screw presses the side wall at the other end of the connecting shaft and is in threaded connection with the other locking screw hole, the retaining screw penetrates through the retaining through hole and is in threaded connection with the retaining screw hole, the retaining screw blocks the other end of the connecting shaft, the square head of the connecting shaft cannot withdraw from the square hole of the test shaft, test data are accurate, test time cannot be delayed, and test cost is reduced. The one end terminal surface that the shaft coupling sleeve passes through the key-type connection with the output shaft is equipped with a plurality of dismantlement screws, a plurality ofly and the dismantlement screw of dismantling screw one-to-one spiro union demolish the stopping screw, and rotatory dismantlement screw makes the shaft coupling sleeve axial not hard up on the bearing frame terminal surface through dismantling screw one end top, does benefit to and dismantles the shaft coupling sleeve.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the coupling sleeve.
In the figure: the test device comprises an output shaft 1, a bearing seat 2, an output shaft supporting bearing 3, a bearing strengthening life tester 4, a test shaft 5, a square hole 6, a square head 7, a connecting shaft 8, a coupling sleeve 9, a locking screw hole 10, a locking screw 11, a stopping screw 12, a stopping through hole 13, a stopping screw hole 14, a disassembling screw hole 15, a disassembling screw 16, an outer cylinder 17, a tested bearing 18, a through cover 19 and a blank cover 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figure 1: a bearing coupling structure for bearing a large-load bearing strengthening life test comprises: the bearing strengthening service life testing machine is provided with an output shaft 1, a bearing seat 2, an output shaft supporting bearing 3 arranged in the bearing seat 2, a bearing device provided with a testing shaft 5, a square hole 6 arranged at one end of the testing shaft 5, a connecting shaft 8 with a square head 7 in clearance fit with the square hole 6 at one end, coupling sleeves 9 with two ends corresponding to one end of the output shaft 1 and the other end of the connecting shaft 8 through key connection, two locking screw holes 10 arranged on the outer side of the coupling sleeves 9 and respectively communicated with inner holes of the coupling sleeves 9, and two locking screws 11; the square head 7 is inserted into the square hole 6, one locking screw 11 presses the side wall at one end of the output shaft 1 and is in threaded connection with one locking screw hole 10, and the other locking screw 11 presses the side wall at the other end of the connecting shaft 8 and is in threaded connection with the other locking screw hole 10.
The coupling structure for bearing the heavy-load bearing and strengthening the life test further comprises: the backstop screw 12 is arranged on the outer side wall of the coupling sleeve 9, and is provided with a backstop through hole 13 communicated with the inner hole and a backstop screw hole 14 opposite to the backstop through hole 13; the retaining screw 12 penetrates through the retaining through hole 13 and is in threaded connection with the retaining screw hole 14, and the retaining screw 12 blocks the other end of the connecting shaft 8.
The coupling sleeve 9 and the output shaft 1 are provided with two disassembling screw holes 15 through the end face connected by a key, and two disassembling screws 16 which are in one-to-one corresponding threaded connection with the disassembling screw holes 15.
The bearing carrying device comprises: the testing device comprises an outer cylinder 17 sleeved outside the testing shaft 5, four bearings 18 to be tested arranged between the testing shaft 5 and the outer cylinder 17, a through cover 19 sleeved outside the testing shaft 5 and screwed with one end of the outer cylinder 17, and a blank cover 20 screwed with the other end of the outer cylinder 17.
In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative efforts, and therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.
Claims (4)
1. A bearing coupling structure for bearing a large-load bearing strengthening life test comprises: the bearing of output shaft bearing with output shaft, bearing frame, adorning in the bearing frame strengthens life-span testing machine, characterized by, the bearing heavy load bearing strengthen the coupling structure of life-span test still include: the bearing device is provided with a test shaft, a square hole is formed in one end of the test shaft, a connecting shaft with a square head matched with the square hole is arranged at one end of the test shaft, coupling sleeves are in one-to-one correspondence with one ends of the output shaft and the other ends of the connecting shaft through key connections at two ends, two locking screw holes are formed in the outer side wall of the coupling sleeves and are respectively communicated with inner holes of the coupling sleeves, and two locking screws are arranged; the square head is inserted into the square hole, one locking screw presses the side wall at one end of the output shaft and is in threaded connection with one locking screw hole, and the other locking screw presses the side wall at the other end of the connecting shaft and is in threaded connection with the other locking screw hole.
2. The coupling structure for the bearing with large load for the service life test as claimed in claim 1, further comprising: the backstop screw is arranged on the outer side wall of the coupling sleeve, and comprises a backstop through hole communicated with the inner hole and a backstop screw hole opposite to the backstop through hole; the retaining screw penetrates through the retaining through hole and is in threaded connection with the retaining screw hole, and the retaining screw blocks the other end of the connecting shaft.
3. The coupling structure for the enhanced life test of the bearing with the large load as claimed in claim 1 or 2, wherein the coupling sleeve is provided with a plurality of disassembling screw holes on the end surface connected with the output shaft through a key, and a plurality of disassembling screws in one-to-one corresponding to the disassembling screw holes are screwed with the disassembling screw holes.
4. A coupling structure for a bearing with a large load for testing the life span of a bearing with a large load as claimed in claim 1 or 2, wherein said bearing loading device comprises: the outer barrel is sleeved outside the test shaft, the plurality of bearings to be tested are arranged between the test shaft and the outer barrel, the through cover is sleeved outside the test shaft and detachably connected with one end of the outer barrel, and the blank cover is detachably connected with the other end of the outer barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397739.7U CN217819343U (en) | 2022-06-02 | 2022-06-02 | Coupling structure for bearing large-load bearing strengthening life test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397739.7U CN217819343U (en) | 2022-06-02 | 2022-06-02 | Coupling structure for bearing large-load bearing strengthening life test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217819343U true CN217819343U (en) | 2022-11-15 |
Family
ID=83990759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221397739.7U Active CN217819343U (en) | 2022-06-02 | 2022-06-02 | Coupling structure for bearing large-load bearing strengthening life test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217819343U (en) |
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2022
- 2022-06-02 CN CN202221397739.7U patent/CN217819343U/en active Active
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