CN213209317U - Swing moment detecting instrument - Google Patents
Swing moment detecting instrument Download PDFInfo
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- CN213209317U CN213209317U CN202021649231.2U CN202021649231U CN213209317U CN 213209317 U CN213209317 U CN 213209317U CN 202021649231 U CN202021649231 U CN 202021649231U CN 213209317 U CN213209317 U CN 213209317U
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Abstract
The utility model provides a swinging moment detecting instrument belongs to the check out test set field, including measuring platform, be used for being fixed in the fixed subassembly on the measuring platform by the outer lane of bearing, with the measuring component of the coaxial fixed of inner circle of the bearing under test and act on the measuring component and make the force measurement drive assembly who is overturn relatively by the inner circle and the outer lane of the bearing under test, force measurement drive assembly including actuating mechanism and with be used for detecting the force cell sensor of the effort that the inner circle receives. The bearing swinging moment detection device has the advantages that the bearing swinging moment is detected through the structure, during detection, the bearing is fixed on the measuring platform through the fixing assembly, the measuring assembly is linked with the inner ring of the detected bearing, the driving mechanism is driven to apply pressure to the measuring assembly, the swinging moment can be detected through the force applied to the inner ring by the force measuring sensor, the structure is simple, and the operation is convenient.
Description
Technical Field
The utility model relates to a detecting instrument field especially relates to a swinging force moment's of bearing detecting instrument.
Background
The swinging moment is the influence between the outer ring of the outer spherical surface of the bearing and the outer shell of the bearing due to factors such as grease, roughness and the like, and when the outer ring and the shell have bending moment applied by relative swinging.
In practical application environment, the bearing has certain torsional pendulum position change in the use process, the bearing has certain energy loss in the swinging process, and the size of the swinging moment of the bearing has certain influence on the whole transmission system. Therefore, the oscillating moment of the bearing has a certain reference significance for predicting the actual use and the service life of the bearing, and a device is required to be designed for measuring the oscillating moment.
Based on this, the present application is proposed.
Disclosure of Invention
Not enough to prior art, the utility model provides a swing moment detecting instrument, but its simple structure, convenient operation, short-term test detect out the swing moment of bearing.
In order to achieve the above object, the utility model discloses swing moment detecting instrument includes measuring platform, is used for being fixed in the fixed subassembly on the measuring platform by the outer lane of bearing, with the measuring component of being surveyed the coaxial fixed of inner circle of bearing and act on the measuring component and make the dynamometry drive assembly who is surveyed the inner circle of bearing and the relative upset of outer lane, dynamometry drive assembly including actuating mechanism and with be used for detecting the force cell of the effort that the inner circle receives.
The utility model discloses an above-mentioned structure has realized the detection to bearing oscillating moment, during the detection, only needs earlier to be fixed in measuring platform with the bearing through fixed subassembly on, with the inner circle linkage of measuring unit and measured bearing, makes actuating mechanism drive again and applys pressure to measuring unit, can detect out oscillating moment through force cell sensor detection inner circle effort that receives. The utility model discloses simple structure, the operation of being convenient for.
Furthermore, through the above-mentioned measuring unit, the utility model discloses the bearing in-service use condition has effectively been simulated to the swing moment that makes the measurement gained is more close to in reality, more accurate. And the measuring component is coaxially arranged with the bearing and is linked with the inner ring of the measured bearing, so that the inner ring of the measured bearing moves along with the measuring rod in the detection process, the applied force is ensured to be completely acted on the inner ring of the measured bearing, and the detection accuracy is further ensured.
The utility model discloses further set up as follows: the measuring assembly comprises a measuring rod and a detachable fastener coaxially linked with the inner ring of the measured bearing, and the measuring rod and the inner ring of the measured bearing are coaxially arranged. The structure leads out the inner ring of the measured bearing by arranging the measuring rod linked with the inner ring of the measured bearing, so that the force measuring driving component indirectly acts on the inner ring by acting on the measuring rod, and the action process of driving the inner ring of the measured bearing and the assembly and use are facilitated by the simple structure.
Preferably, in order to facilitate use, the detachable fastener comprises a locking cover plate and a mandrel, the locking cover plate and the mandrel are provided with openings, and the measuring rod is a bolt and penetrates through the locking cover plate and the mandrel and is in threaded connection with the locking cover plate; the measuring rod is matched with the force measuring driving component.
Or, as preferred, in order to use, the detachable fastener includes a locking shaft and a locking cover plate, the locking shaft includes a shaft body adapted to the bore diameter of the inner ring of the inner bearing and a flange protruding from the surface of the shaft body, the shaft body is in threaded connection with the locking cover plate, and the measuring rod is rod-shaped and is fixed on the locking cover plate or the locking shaft.
For simplifying the structure, the utility model discloses further set up as follows: the force measuring sensor is driven by the driving mechanism to move linearly, and a measuring head is arranged at the detection end of the force measuring sensor and is in clearance fit with the measuring rod in the movement direction of the measuring rod. In addition, through the structure, the force measuring sensor can directly detect the applied acting force, which is beneficial to providing detection precision; the swing moment can be calculated by obtaining the acting force and the arm length, and the calculation is convenient.
For convenient observation, the utility model discloses further set up as follows: the force measuring sensor is provided with a display screen which is used for displaying the applied acting force or calculating the obtained swing moment according to the length of the force arm input in advance, and convenience is provided for actual detection operation.
For simplifying the structure, being convenient for operate, the utility model discloses further set up as follows: the driving mechanism comprises a handle, a lead screw, a bevel gear and a transmission sleeve, the handle is connected with the lead screw through the bevel gear in a transmission way to drive the lead screw to rotate, the force measuring sensor is fixed on the transmission sleeve, and the transmission sleeve is arranged on the lead screw and is in transmission connection with the lead screw.
The structure adopts a manual driving mechanism, is convenient to adjust and use, and can be suitable for detecting and using bearings of different sizes and different types. And the structural characteristics of the screw rod are utilized to realize stepless pressure regulation and accurate detection.
For convenient use, the utility model discloses further set up as follows: the fixed component comprises a fixed claw matched with the outer ring and an adjusting component for adjusting the position of the claw, and the fixed components are at least two and are symmetrically distributed.
Preferably, the fixed claw is a strip-shaped claw provided with a pressing surface matched with the outer ring of the bearing to be measured.
For the bearing use of the size of adaptation different thickness or height, the utility model discloses further set up as follows: the adjusting component comprises a threaded rod and two adjusting nuts, the clamping jaw is sleeved on the threaded rod and located between the two adjusting threads, and the threaded rod is fixed or detachably fixed on the measuring platform.
Enough upset space has when taking place relative rotation for the inner circle that makes the bearing to be surveyed and outer lane, the utility model discloses further set up as follows: and the measuring platform is provided with a cushion block which is contacted with the outer ring of the measured bearing to enable the measured bearing to be suspended.
Or, the utility model discloses further set up as follows: the measuring platform is composed of two fixing plates which are arranged side by side at intervals, and the gap between the fixing plates is larger than the outer diameter of the inner ring of the measured bearing and smaller than the outer diameter of the outer ring of the measured bearing. The gap between the fixing plates arranged side by side at intervals can also provide enough space for the bearing to be measured.
The utility model has the advantages as follows: the utility model provides an easy operation, the oscillating moment that can accurate measurement bearing, especially aligning four point contact ball bearing, avoided because the experimental conditions is harsh and the measuring demand that can't satisfy to reach and press close to operating condition, accurate measuring purpose more.
Drawings
Fig. 1 is an overall schematic view of embodiment 1 of the present invention.
Fig. 2 is a partially enlarged schematic view of fig. 1.
Fig. 3 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 4 is a bottom schematic view of embodiment 1 of the present invention.
Fig. 5 is a schematic top view of embodiment 1 of the present invention.
Fig. 6 is a schematic sectional view taken along the direction A in fig. 5.
Reference numerals: 1-a first mounting platform, 2-a bottom pad, 3-a measuring platform, 4-a fixed claw, 5-a measuring component, 6-a force transducer, 7-a second mounting platform, 8-a handle and 9-a measured bearing;
101-through hole, 102-first installation chute, 301-installation hole, 302-bolt, nut connecting piece, 303-second installation chute, 304-threaded rod, 401-adjusting nut, 501-measuring rod, 502-locking cover plate, 503-mandrel, 601-measuring head, 602-display screen, 701-sensor platform, 702-ball bearing, 703-lead screw, 704-bevel gear, 705-driving sleeve.
Detailed Description
The utility model provides a swing moment detecting instrument, its simple structure, the operation of being convenient for can be used to the accurate swing moment who detects bearing, especially aligning four point contact ball bearing.
Embodiment 1 as shown in fig. 1, this embodiment provides a swing moment detecting instrument, which includes a measuring platform 3, a fixing component, a measuring component, and a force measurement driving component, where the fixing component fixes a measured bearing 9 on the measuring platform 3, and the measuring component is coaxially fixed with the measured bearing 9, so that the force measurement driving component applies an acting force, which causes the inner ring of the measured bearing 9 to rotate relative to the outer ring of the measured bearing 9, through indirect action. Of course, in order to achieve the above purpose, the fixing component in this embodiment needs to fix the outer ring of the measured bearing 9, and does not limit the movement of the inner ring of the measured bearing 9.
As shown in fig. 1, the measuring platform 3 is composed of two fixing plates arranged side by side at an interval, fixing holes 301 are formed on the two fixing plates, a first mounting chute 102 is formed on the first mounting platform 1, and the fixing plates are fixed on the first mounting platform 1 through bolts and nut connecting pieces 302. The clearance between the fixed plates is larger than the outer diameter of the inner ring of the measured bearing 9 and smaller than the outer diameter of the outer ring of the measured bearing 9. The gap between the fixing plates arranged side by side at intervals can also provide enough space for the bearing 9 to be measured.
Of course, in this embodiment, in order to reduce friction and maintain the stability of the fixation of the measured bearing 9, at the edge of the adjacent upper surface of the fixation plate, the bottom pad 2 is arranged to serve as the contact point of the measured bearing 9 and the measuring platform 3. The bottom pad 2 can be made of materials with certain buffering effect such as rubber and the like, and has the anti-skid effect.
With continued reference to fig. 1, the fixing assembly includes a fixing claw 4 and an adjusting assembly for adjusting the position of the claw, and at least two fixing assemblies are symmetrically distributed to prevent the outer ring of the driven bearing from rotating during the detection process. The fixed jaw 4 is matched with the outer ring and fixes the outer ring, the fixed jaw is a strip-shaped jaw, and one end of the strip-shaped jaw is provided with a pressing surface matched with the outer ring of the tested bearing 9 and is in contact fit with the outer ring of the tested bearing 9. The adjusting part includes threaded rod 304 and two adjusting nut 401, and the other pot head of bar jack catch just is located between two adjusting thread on locating threaded rod 304, during the use, makes the one end of bar jack catch and the outer lane interval certain distance of being surveyed bearing 9 earlier, and the rethread is screwed up two adjusting nut 401 and is fixed the position of bar jack catch.
As shown in fig. 5 and 6, the force measurement driving assembly is installed in the second installation platform 7, and includes a handle 8, a bevel gear 704, a screw rod 703, a transmission sleeve 705, and a force measurement sensor, one end of the screw rod is rotatably fixed to one side of the second installation platform 7 through a ball bearing, and the other end of the screw rod 703 is in transmission connection with the handle 8 through the bevel gear 704. The transmission sleeve 705 is rotatably sleeved on the lead screw 703, and one end of the transmission sleeve extends to the outer side of the second mounting platform 7 to form a sensor platform 701, and the load cell is fixedly mounted on the sensor platform 701. The handle 8 is rotatably fixed on the outer side wall of the second mounting platform 7 and is coaxially communicated with the bevel gear 704 through a shaft rod. When the handle 8 rotates, the bevel gear 704 is driven to rotate, the bevel gear 704 is matched with helical teeth arranged at the end part of the other end of the screw rod 703 to drive the screw rod 703 to rotate, so that the transmission sleeve 705 reciprocates on the screw rod, and further drives the force measuring sensor on the transmission sleeve to reciprocate in the direction parallel to the axial direction of the screw rod 703.
In order to keep the lead screw 703 stable as a whole, the second mounting platform 7 is preferably provided with a mounting bracket to assist in fixing the lead screw 703. In order to keep the reciprocating motion of the load cell stable, the second mounting platform 7 may be further provided with a corresponding slide way, a slide groove and other structures for assistance.
The utility model discloses a be used for being fixed in measuring platform 3 by the outer lane of bearing 9 and the coaxial fixed action that acts on measuring assembly that makes the inner circle and the relative upset of outer lane by bearing 9 on being surveyed the inner circle of bearing 9 on the measuring platform 9 that is used for further setting up as follows: the above-mentioned
With reference to fig. 2, the measuring assembly 5 includes a measuring rod 501 and a detachable fastener coaxially linked with the inner ring of the measured bearing 9, the detachable fastener includes a locking cover plate 502 and a mandrel 503, openings are provided on the locking cover plate 502 and the mandrel 503, the measuring rod 501 is a bolt and passes through the locking cover plate 502 and the mandrel 503 and is in threaded connection with the locking cover plate 502, and meanwhile, the measuring rod 501 is coaxially arranged with the inner ring of the measured bearing 9. The measuring rod 501 is located on the straight line of the reciprocating motion of the load cell and it cooperates with the load cell. Preferably, the load cell is provided with a probe 601 which is in clearance fit with the measuring rod 501.
The working principle of the embodiment is as follows: the handle 8 rotates to drive the bevel gear 704 to rotate, and the front and rear positions of the load cell 6 are adjusted through the lead screw 703. And adjusting the position of the force transducer 6 to enable the measuring head 601 to be in contact with the center measuring rod 501 of the aligning four-point contact ball bearing, continuously applying certain force measurement through rotating the handle 8 until the outer ring of the bearing and the shell are overturned and separated, recording the measured value of the force transducer, and calculating through a formula to obtain the swing moment at the moment.
Bearing the above, in this embodiment, the pendulum moment = the force arm length of the size X of the acting force, the force arm length is directly measured by the force sensor, and the force arm length can be obtained by measuring the vertical distance from the contact point of the measuring rod 501 and the measuring head 601 to the measured bearing 9.
Example 2 this example differs from example 1 in that: the detachable fastener in this embodiment includes a locking shaft and a locking cover plate 502, the locking shaft includes a shaft body adapted to the inner ring aperture of the inner bearing and a flange protruding from the surface of the shaft body, the shaft body is in threaded connection with the locking cover plate 502, and the measuring rod 501 is rod-shaped and is fixed on the locking cover plate 502 or the locking shaft. Compared with embodiment 1, in the present embodiment, the measuring rod 501 is integrated on the locking shaft or the locking cover plate 502, so that the number of parts is reduced, and operations such as detachment and installation are facilitated. However, the locking shaft and the locking cover plate 502 are necessarily required to be adapted, so that the bearing detection for different sizes is difficult.
In the above embodiment, the load cell 6 may have a display 602 thereon, and the display 602 is used to display the applied force or the final swinging moment, so as to facilitate the actual detection operation.
Claims (11)
1. A swing moment detecting instrument is characterized in that: the device comprises a measuring platform, a fixing assembly used for fixing the outer ring of a measured bearing on the measuring platform, a measuring assembly coaxially fixed with the inner ring of the measured bearing, and a force measurement driving assembly acting on the measuring assembly to enable the inner ring and the outer ring of the measured bearing to relatively overturn, wherein the force measurement driving assembly comprises a driving mechanism and a force measurement sensor used for detecting acting force borne by the inner ring.
2. The rocking moment detecting apparatus of claim 1, wherein: the measuring assembly comprises a measuring rod and a detachable fastener coaxially linked with the inner ring of the measured bearing, and the measuring rod and the inner ring of the measured bearing are coaxially arranged.
3. The rocking moment detecting apparatus according to claim 2, wherein: the detachable fastener comprises a locking cover plate and a mandrel, openings are formed in the locking cover plate and the mandrel, and the measuring rod is a bolt and penetrates through the locking cover plate and the mandrel to be in threaded connection with the locking cover plate; or: the detachable fastener comprises a locking shaft and a locking cover plate, the locking shaft comprises a shaft body which is adaptive to the inner ring hole diameter of the inner side bearing and a flange which protrudes out of the surface of the shaft body, the shaft body is in threaded connection with the locking cover plate, and the measuring rod is rod-shaped and is fixed on the locking cover plate or the locking shaft; the measuring rod is matched with the force measuring driving component.
4. The rocking moment detecting apparatus according to claim 2, wherein: the force measuring sensor is driven by the driving mechanism to move linearly, and a measuring head is arranged at the detection end of the force measuring sensor and is in clearance fit with the measuring rod in the movement direction of the measuring rod.
5. The rocking moment detecting apparatus of claim 4, wherein: the force measuring sensor is provided with a display screen which is used for displaying the applied acting force or calculating the obtained swing moment according to the length of the force arm input in advance, and convenience is provided for actual detection operation.
6. The rocking moment detecting apparatus of claim 4, wherein: the driving mechanism comprises a handle, a lead screw, a bevel gear and a transmission sleeve, the handle is connected with the lead screw through the bevel gear in a transmission way to drive the lead screw to rotate, the force measuring sensor is fixed on the transmission sleeve, and the transmission sleeve is arranged on the lead screw and is in transmission connection with the lead screw.
7. The rocking moment detecting apparatus of claim 1, wherein: the fixed component comprises a fixed claw matched with the outer ring and an adjusting component for adjusting the position of the claw, and the fixed components are at least two and are symmetrically distributed.
8. The rocking moment detecting apparatus of claim 7, wherein: the fixed claw is a strip-shaped claw and is provided with a pressing surface matched with the outer ring of the tested bearing.
9. The rocking moment detecting apparatus of claim 7, wherein: the adjusting component comprises a threaded rod and two adjusting nuts, the clamping jaw is sleeved on the threaded rod and located between the two adjusting threads, and the threaded rod is fixed or detachably fixed on the measuring platform.
10. The rocking moment detecting apparatus of claim 1, wherein: and the measuring platform is provided with a cushion block which is contacted with the outer ring of the measured bearing to enable the measured bearing to be suspended.
11. The rocking moment detecting apparatus of claim 10, wherein: the measuring platform is composed of two fixing plates which are arranged side by side at intervals, and the gap between the fixing plates is larger than the outer diameter of the inner ring of the measured bearing and smaller than the outer diameter of the outer ring of the measured bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649231.2U CN213209317U (en) | 2020-08-10 | 2020-08-10 | Swing moment detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649231.2U CN213209317U (en) | 2020-08-10 | 2020-08-10 | Swing moment detecting instrument |
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| Publication Number | Publication Date |
|---|---|
| CN213209317U true CN213209317U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021649231.2U Active CN213209317U (en) | 2020-08-10 | 2020-08-10 | Swing moment detecting instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884297A (en) * | 2021-09-30 | 2022-01-04 | 江阴市富尔肯液压件制造有限公司 | Testing machine for centripetal torque force of joint bearing |
| CN114061954A (en) * | 2021-11-03 | 2022-02-18 | 人本股份有限公司 | Bearing inner diameter surface detecting probe |
-
2020
- 2020-08-10 CN CN202021649231.2U patent/CN213209317U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884297A (en) * | 2021-09-30 | 2022-01-04 | 江阴市富尔肯液压件制造有限公司 | Testing machine for centripetal torque force of joint bearing |
| CN113884297B (en) * | 2021-09-30 | 2023-09-19 | 江阴市富尔肯液压件制造有限公司 | Centripetal torsion testing machine for joint bearing |
| CN114061954A (en) * | 2021-11-03 | 2022-02-18 | 人本股份有限公司 | Bearing inner diameter surface detecting probe |
| CN114061954B (en) * | 2021-11-03 | 2024-04-19 | 人本股份有限公司 | Bearing inner diameter surface detection probe |
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