CN213022302U - Thrust ball bearing steel ball disengagement force detection device - Google Patents
Thrust ball bearing steel ball disengagement force detection device Download PDFInfo
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- CN213022302U CN213022302U CN202021648712.1U CN202021648712U CN213022302U CN 213022302 U CN213022302 U CN 213022302U CN 202021648712 U CN202021648712 U CN 202021648712U CN 213022302 U CN213022302 U CN 213022302U
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Abstract
The utility model provides a thrust ball bearing steel ball deviates from power detection device, including detecting the platform, detect the frock, force cell sensor, lead screw and actuating mechanism, the upper end terminal surface department that detects the frock has seted up an annular groove, and can dismantle fixed mounting on detecting the platform, the groove width of annular groove is greater than the steel ball diameter by the bearing of being surveyed, its internal diameter is less than the external diameter by the inner circle of the bearing of being surveyed, its external diameter is greater than the internal diameter by the outer lane of the bearing of being surveyed, on the rotatable perpendicular to detecting the platform of lead screw, the cooperation cover is equipped with a drive sleeve on the lead screw, force cell sensor is equipped with just to the gauge head that detects the frock setting with drive sleeve fixed connection, actuating mechanism drive lead screw. The utility model provides an easy operation, force detecting instrument is deviate from to the precision measurement steel ball, avoids because the harsh and unable measuring demand that satisfies of experimental conditions to reach and press close to operating condition accurate measuring's purpose more.
Description
Technical Field
The utility model relates to a check out test set field especially relates to a thrust ball bearing steel ball deviates from power detection device.
Background
In an actual application environment, the thrust ball bearing mainly bears axial load, and the bearing capacity is mainly influenced by the diameter of the steel balls and the number of the steel balls. Wherein the separation of the steel ball from the cage will cause the bearing to experience a reduction in load, resulting in bearing unbalance loading failure. Therefore, the magnitude of the releasing force when the steel ball is separated from the retainer has an important influence on the service life of the bearing to a certain extent.
Due to the difference of detection conditions, the steel ball release force detection instrument has two important problems:
a high-precision automatic tension and pressure measuring device. For example, a single degree of freedom numerically-controlled machine tool loading device and a loading test method with Chinese patent application number CN201310286483.1, which consists of a follow-up loading mechanism and a control system, wherein the mechanical part of the follow-up loading mechanism applies load to a machine tool spindle through an interface with the numerically-controlled machine tool spindle; the control system is used for realizing the functions of servo motor control, load calculation, signal processing and the like of the mechanical part of the servo loading mechanism; the method comprises the steps of determining specific test requirements and test schemes, completing the connection work of a machine tool spindle, completing the installation work of a loading module and a machine tool workbench, applying load to the machine tool spindle, measuring the load, calculating and outputting results and the like. The device can accurately measure the steel ball release force, but the operation process is complex and the efficiency is low.
And secondly, a common pressure detection system. The system is simple to operate, but cannot accurately measure the limit value of the steel ball releasing force, and has large human errors in detection.
Based on this, the present application is proposed.
Disclosure of Invention
The not enough to prior art, the utility model provides a thrust ball bearing steel ball of simple structure, the operation of being convenient for deviates from power detection device can the precision measurement steel ball take off and exert oneself, solves the actual problem that lacks the detection precision height on the market at present simple structure, the operation of being convenient for simultaneously.
In order to achieve the purpose, the utility model discloses thrust ball bearing steel ball takes off power detection device includes testing platform, detection frock, force cell sensor, lead screw and actuating mechanism, and the upper end terminal surface department that detects the frock sets up an annular groove, and can dismantle fixed mounting on testing platform, and the groove width of annular groove is greater than the steel ball diameter of the bearing under test, and its inside diameter is less than the external diameter of the inner circle of the bearing under test, and its outside diameter is greater than the inside diameter of the outer lane of the bearing under test, and the lead screw is rotatable perpendicular to testing platform, and the cooperation cover is equipped with a drive sleeve on the lead screw, force cell sensor and drive sleeve fixed connection and synchronous action, force cell sensor detection end is equipped with the gauge head, the gauge head is just setting up to the detection frock, and it follows force cell sensor and moves up and down for detecting; the driving mechanism drives the lead screw to rotate.
The utility model has the advantages that through the design of the detection mode that the lead screw directly drives the force cell to act on the thrust ball bearing to be detected, firstly, the structure is simplified, and the cost is reduced; the screw rod and the force measuring sensor move synchronously so as to be convenient for directly operating the force measuring sensor, thereby facilitating measurement; and thirdly, fine adjustment is realized by utilizing the stepless special effect of screw rod rotation through screw rod adjustment, and the detection accuracy is further improved.
For improving the utility model discloses detection device's maneuverability, furtherly, actuating mechanism is the handle, through the cooperation of transmission structure transmission between handle and the lead screw. And the manual driving mode is more favorable for controlling the process of the force transducer acting on the measured bearing, and the manual driving mode also helps to improve the detection accuracy.
Furthermore, the transmission structure comprises a first bevel gear and a second bevel gear, wherein the first bevel gear is coaxially arranged with a rotating shaft of the handle, the second bevel gear is coaxially arranged with the lead screw, the first bevel gear is meshed with the second bevel gear, and the transmission structure is simple in structure, few in parts and stable in transmission.
In order to enable the measuring sensor to move up and down stably, the force measuring sensor is further arranged on a mounting plate, and the mounting plate is fixed on the transmission sleeve or the mounting plate and the transmission sleeve are integrally formed.
Furthermore, a vertically arranged fixing seat is fixedly installed on the detection platform, the fixing seat comprises a rear vertical plate, a left vertical plate and a right vertical plate, the bottom end of the rear vertical plate is fixedly installed on the detection platform and is arranged at an interval with the detection tool, and the left vertical plate and the right vertical plate are fixedly connected to the rear vertical plate; and a first transverse plate and a second transverse plate are arranged between the left vertical plate and the right vertical plate, and the top end of the lead screw is rotatably and fixedly arranged on the first transverse plate and the bottom end of the lead screw is rotatably and fixedly arranged on the second transverse plate.
Furthermore, slots are formed in the left vertical plate and the right vertical plate, and two sides of the transverse plate I are horizontally inserted into the left vertical plate and the right vertical plate respectively; and the slot positions on the left vertical plate and the right vertical plate are also embedded with reinforcing connecting plates which cover the slots and are attached to the outer side walls of the left vertical plate and the right vertical plate.
Furthermore, the front and the back of the left side and the right side of the rear vertical plate are respectively provided with at least one triangular plate for supporting. Preferably, in order to ensure that the triangular plate can effectively support the rear vertical plate, the highest point of the joint of the triangular plate and the rear vertical plate is not lower than the 1/2 height of the rear vertical plate.
In order to ensure that the measuring head acts on the steel ball of the thrust ball bearing really and the steel ball is stressed evenly and ensure the accuracy of a subsequent detection structure, the measuring head is a concave spherical surface with the bottom surface matched with the diameter of the steel ball of the thrust ball bearing to be measured.
The utility model has the advantages as follows: the utility model provides an easy operation, force detecting instrument is deviate from to the precision measurement steel ball, avoids because the harsh and unable measuring demand that satisfies of experimental conditions to reach and press close to operating condition accurate measuring's purpose more.
Drawings
Fig. 1 is a general schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 3 is a schematic view of a back structure according to an embodiment of the present invention.
Fig. 4 is a front view of an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view taken at a in fig. 4.
Fig. 6 is a perspective view of a probe according to an embodiment of the present invention.
FIG. 7 is a schematic view of the sectional structure of the probe according to the embodiment of the present invention
Reference numerals: 1, a detection platform, 2, a detection tool, 3, a force measuring sensor, 4, a screw rod, 5, a front cover plate, 6, a handle, 7, a fixed seat, 8, a rotating shaft and 9, wherein the detection platform is arranged on the front cover plate;
301-gauge head, 301 a-concave sphere, 301 b-threaded connector, 501-mounting plate, 502-transverse plate I, 503-transverse plate II, 401-second bevel gear, 402-second rolling bearing, 701-rear vertical plate, 702-triangle, 703-mounting groove, 801-first bevel gear, 802-first rolling bearing.
Detailed Description
Embodiment 1 this embodiment provides a thrust ball bearing steel ball is deviate from power detection device, including testing platform 1, fixing base 7, detection frock 2, force cell sensor 3, lead screw 4 and handle 6, detect that frock 2 can dismantle fixed mounting on testing platform 1, fixing base 7 also fixed mounting on testing platform 1 and with detect the setting of certain distance in interval between frock 2. The detection tool 2 is cylindrical, and an annular groove is formed in the end face of the upper end of the detection tool. In order to place the measured bearing 9 on the upper end surface of the bearing, the groove width of the annular groove is larger than the diameter of the steel ball of the measured bearing 9, the inner diameter of the annular groove is smaller than the outer diameter of the inner ring of the measured bearing 9, and the outer diameter of the annular groove is larger than the inner diameter of the outer ring of the measured bearing 9.
In one embodiment, to ensure effective support of set square 702 on rear riser 701, the highest point at which set square 702 joins rear riser 701 is no lower than 1/2 of rear riser 701.
Left riser, right riser equal vertical fixation connect in back riser 701 the left side, near right side border: referring to fig. 3, a left mounting groove 703 and a right mounting groove 703 which are parallel and have the same structure are respectively formed near the left side edge and the right side edge of the rear vertical plate 701, the side edge of the left vertical plate is attached to the left mounting groove 703 from the front side of the rear vertical plate 701, and the left vertical plate is fixed by a plurality of bolts from the back side of the rear vertical plate 701. The right vertical plate is basically consistent with the left vertical plate.
Get back to fig. 2 and show, be equipped with between left riser and the right riser and be used for diaphragm one 502 and horizontal version two, be equipped with the slot on left riser, the right riser, on the both sides of diaphragm one 502 level was inserted to left riser, right riser respectively, the slot department on left riser, the right riser still inlays the reinforcing connecting plate who is equipped with cover slot, with the lateral wall laminating of left riser, right riser. The width of the second transverse plate 503 is equal to the interval between the left vertical plate and the right vertical plate, and the second transverse plate is fixedly arranged on the left vertical plate and the right vertical plate through connecting pieces such as screws.
The top end of the screw rod 4 is rotatably and fixedly mounted on the first transverse plate 502 through a first rolling bearing 802, and the bottom end of the screw rod 4 is rotatably and fixedly mounted on the second transverse plate 503 through a second rolling bearing 402. The handle 6 is fixed on the right vertical plate, a first bevel gear 801 is coaxially sleeved on a rotating shaft 8 of the handle, a second bevel gear 401 is coaxially arranged at the top end of the screw rod 4, the first bevel gear 801 and the second bevel gear 401 are meshed with each other, the first bevel gear 801 is driven to rotate by rotating the handle 6, and then the second bevel gear 401 and the screw rod 4 are indirectly driven to rotate.
A transmission sleeve is sleeved on the screw rod below the first transverse plate 502 in a matching manner, the transmission sleeve is further integrally connected with a mounting plate 501, and the force sensor 3 is mounted on the mounting plate 501, so that the force sensor 3 and the transmission sleeve synchronously act. The measuring head 301 is arranged at the detection end of the load cell 3, the measuring head 301 faces downwards and is right opposite to the upper end face of the detection tool 2 below the measuring head 301, and the measuring head 301 moves up and down relative to the detection tool 2 along with the load cell 3.
In order to ensure that the measuring head 301 acts on the steel ball of the thrust ball bearing reliably and the steel ball is stressed evenly, the measuring head 301 is a concave spherical surface 301a with the bottom surface matched with the diameter of the steel ball of the thrust ball bearing to be measured.
The working process of the embodiment is as follows: the handle 6 is rotated to drive the bevel gear to rotate, and the upper position and the lower position of the force measuring sensor 3 are adjusted through the screw rod 4. By adjusting the position of the force sensor 3, the measuring head 301 is contacted with the steel ball on the thrust ball bearing, and the load reading of the sensor is cleared at the same time, so that the measuring head is in a zero setting state. The handle is rotated continuously, so that the force measuring sensor 3 and the measuring head 301 move downwards continuously until the steel ball is separated from the retainer, and the steel ball falls into the annular groove of the lower detection tool 2 after falling off, so that the steel ball can be prevented from falling off and being lost due to play. At this time, the force sensor 3 can record the magnitude of the limit load when the steel ball is separated from the retainer, namely the steel ball separating force.
To sum up, the utility model provides a thrust ball bearing's of simple structure, being convenient for operation steel ball takes off detection device who exerts power, it passes through handle 6, lead screw 4 and with lead screw 4 synchronization action's force cell sensor 3, borrow handle 6 and lead screw 4's cooperation realization fine setting, fine setting to in accurate assurance steel ball takes off power, and borrow the effect mode of the direct pressure power of exerting to being carried out by the steel ball of being surveyed ball bearing of force cell sensor 3, directly, high-efficient, in time feed back deviating from of steel ball power, its convenient to use, detect accurate, the suitability is better.
Claims (10)
1. The utility model provides a thrust ball bearing steel ball is deviate from power detection device which characterized in that: the detection tool comprises a detection platform, a detection tool, a force measuring sensor, a lead screw and a driving mechanism, wherein an annular groove is formed in the end face of the upper end of the detection tool and is detachably and fixedly installed on the detection platform, the groove width of the annular groove is larger than the diameter of a steel ball of the detected bearing, the inner diameter of the annular groove is smaller than the outer diameter of an inner ring of the detected bearing, and the outer diameter of the annular groove is larger than the inner diameter of an outer ring of the detected bearing.
2. The thrust ball bearing steel ball pull-out force detecting device according to claim 1, characterized in that: the driving mechanism is a handle, and the handle is in transmission fit with the lead screw through a transmission structure.
3. The thrust ball bearing steel ball pull-out force detecting device according to claim 2, characterized in that: the transmission structure comprises a first bevel gear and a second bevel gear, the first bevel gear is coaxial with the rotating shaft of the handle, the second bevel gear is coaxial with the lead screw, and the first bevel gear is meshed with the second bevel gear.
4. A thrust ball bearing steel ball withdrawal force detecting apparatus as claimed in any one of claims 1 to 3, wherein: the force measuring sensor is arranged on a mounting plate, and the mounting plate is fixed on the transmission sleeve or the mounting plate and the transmission sleeve are integrally formed.
5. The thrust ball bearing steel ball pull-out force detecting device according to claim 4, characterized in that: a vertically arranged fixing seat is fixedly arranged on the detection platform, the fixing seat comprises a rear vertical plate, a left vertical plate and a right vertical plate, the bottom end of the rear vertical plate is fixedly arranged on the detection platform and is arranged at an interval with the detection tool, and the left vertical plate and the right vertical plate are fixedly connected to the rear vertical plate; and a first transverse plate and a second transverse plate are arranged between the left vertical plate and the right vertical plate, and the top end of the lead screw is rotatably and fixedly arranged on the first transverse plate and the bottom end of the lead screw is rotatably and fixedly arranged on the second transverse plate.
6. The thrust ball bearing steel ball pull-out force detecting device according to claim 5, characterized in that: slots are formed in the left vertical plate and the right vertical plate, and two sides of the first transverse plate are horizontally inserted into the left vertical plate and the right vertical plate respectively.
7. The thrust ball bearing steel ball pull-out force detecting device according to claim 6, characterized in that: and the slot positions on the left vertical plate and the right vertical plate are also embedded with reinforcing connecting plates which cover the slots and are attached to the outer side walls of the left vertical plate and the right vertical plate.
8. The thrust ball bearing steel ball withdrawal force detecting device according to any one of claims 5 to 7, wherein: and the front and the back of the left side and the right side of the rear vertical plate are respectively provided with at least one triangular plate for supporting.
9. The thrust ball bearing steel ball pull-out force detecting device according to claim 8, characterized in that: the highest point of the connecting part of the triangular plate and the rear vertical plate is not lower than the 1/2 height of the rear vertical plate.
10. The ball-out force detecting apparatus for a thrust ball bearing according to any one of claims 1, 2, 3, 5, 6, 7 and 9, wherein: the measuring head is an inwards concave spherical surface with the bottom surface matched with the diameter of a steel ball of the thrust ball bearing to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021648712.1U CN213022302U (en) | 2020-08-10 | 2020-08-10 | Thrust ball bearing steel ball disengagement force detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021648712.1U CN213022302U (en) | 2020-08-10 | 2020-08-10 | Thrust ball bearing steel ball disengagement force detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022302U true CN213022302U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021648712.1U Active CN213022302U (en) | 2020-08-10 | 2020-08-10 | Thrust ball bearing steel ball disengagement force detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022302U (en) |
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2020
- 2020-08-10 CN CN202021648712.1U patent/CN213022302U/en active Active
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