CN218822006U - RV speed reducer base bearing stepping detection device - Google Patents
RV speed reducer base bearing stepping detection device Download PDFInfo
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- CN218822006U CN218822006U CN202223037856.5U CN202223037856U CN218822006U CN 218822006 U CN218822006 U CN 218822006U CN 202223037856 U CN202223037856 U CN 202223037856U CN 218822006 U CN218822006 U CN 218822006U
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- 238000012360 testing method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
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Abstract
The utility model discloses a RV speed reducer base bearing stepping detection device belongs to RV speed reducer and does not have inner circle bearing check out test set field. The bearing height detection tool comprises a bearing height detection tool; the bearing pedestal is fixed on the bearing height detection tool, and is sleeved with the angular contact bearing to be detected without the inner ring; the upper cover plate is placed on the large end face of the outer ring of the angular contact bearing without the inner ring; the supporting rod is vertically fixed on the bearing height detection tool; the longitudinal sliding assembly is arranged on the supporting rod and is in sliding connection with the supporting rod, and a fixing assembly is arranged on the longitudinal sliding assembly and is used for fixing the longitudinal sliding assembly on the supporting rod; and the torsion dial indicator is fixed on the longitudinal sliding assembly and is in contact with the upper cover plate. Through the utility model discloses, can not have the stepping adjustment negative play of inner circle base bearing to the RV speed reducer to reduce and detect the degree of difficulty, promote work efficiency.
Description
Technical Field
The utility model relates to a RV speed reducer base bearing stepping detection device, RV speed reducer do not have inner circle bearing check out test set field.
Background
Along with the development of intellectualization, the demand of domestic industrial robots is continuously strong, the RV reducer is taken as a key part of the industrial robot, the localization is also urgently needed, and the situation that all the RV reducers depend on import is broken, so that the design and production of various RV reducers are started, and the main bearing (referring to the angular contact bearing without the inner ring) mainly born by the RV reducer is realized. The assembly precision of the main bearing seriously influences the service life, the rigidity, the transmission progress and other key performances of the product. The back-to-back configuration of the two sets of main bearings, and the play setting of the main bearings, will be very critical.
The original inspection method is to detect the items such as the groove curvature (Re), the groove bottom diameter (De) and the groove position (Ae) of the main bearing, and simultaneously detect the groove curvature (Re), the groove bottom diameter (De) and the groove position (Ae) of the bearing inner ring on the bearing base, and the design tolerance of the groove curvature (Re), the groove bottom diameter (De) and the groove position (Ae) of the bearing base needs to be very strict so as to ensure that the processed bearing base (with the bearing inner roll) can find the proper main bearing to be assembled. Because the requirement on the machining error of the product is very high, the tolerance of the bearing base and the main bearing is strictly compressed, and the machining beat of the bearing base, the machining beat of the main bearing and the finished product also present strict challenges.
In the past, three items of groove bottom diameter (De), groove curvature (Re) and groove position of two sets of bearings used by one set of RV reducer need to be accurately detected, complex data processing calculation needs to be carried out when three dimensional data of the bearings are processed, the processing process is complex and tedious, and the working time is increased; in addition, accumulated deviation in the variable detection process can lead to the fact that the bearing is not suitable for selection, the RV reducer of the assembly is not suitable, the bearing is repeatedly found in the stock, products are repeatedly disassembled and assembled, waste of a large number of working hours is caused, and parts can be damaged unexpectedly due to the fact that the products are disassembled and assembled in the process. It is therefore often encountered that products cannot be assembled with the appropriate play without the need for replacement of the bearings, or that the production of the bearing base products in stock is not possible.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the utility model provides a RV speed reducer base bearing stepping detection device can be to the RV speed reducer no inner circle base bearing's stepping adjustment negative clearance to reduce and detect the degree of difficulty, promote work efficiency.
The utility model discloses the technical problem that solve takes following technical scheme to realize:
a RV reducer main bearing stepping detection device comprises:
a bearing height detection tool;
the bearing pedestal is fixed on the bearing height detection tool, and is sleeved with the angular contact bearing to be detected without the inner ring;
the upper cover plate is placed on the large end face of the outer ring of the angular contact bearing without the inner ring;
the supporting rod is vertically fixed on the bearing height detection tool;
the longitudinal sliding assembly is arranged on the supporting rod and is in sliding connection with the supporting rod, and a fixing assembly is arranged on the longitudinal sliding assembly and is used for fixing the longitudinal sliding assembly on the supporting rod;
and the torsion dial indicator is fixed on the longitudinal sliding assembly and is in contact with the upper cover plate.
The device constructs a method for simulating the contact between the bearing base and the outer ring of the angular contact bearing without the inner ring, detects the corresponding angular contact bearing without the inner ring, identifies the space position of the tangent point of the bearing steel ball and the raceway, carries out grading on the angular contact bearing without the inner ring, and selects a proper main bearing to assemble the angular contact bearing without the inner ring after grading according to the assembly requirement of the bearing base. Therefore, the corresponding groove bottom diameter (De), groove curvature (Re) and groove position do not need to be detected, so that the detection difficulty is reduced, and the working efficiency is improved.
As a preferred example, the longitudinal sliding assembly includes a sliding sleeve sleeved on the support rod and sliding relative to the support rod, the fixing assembly is rotatably connected to the sliding sleeve, and one end of the fixing assembly extends into the sliding sleeve and can abut against the support rod.
Through sliding sleeve, can utilize the whole height that is located on the bracing piece of torsion amesdial, it can adjust the not inner circle angular contact bearing that awaits measuring of co-altitude not, the different engineering size of adaptation.
As a preferred example, a threaded hole is formed in the sliding sleeve, the fixing component is a knob, a screw rod is arranged at one end of the fixing component, the screw rod can be screwed into the threaded hole to abut against the supporting rod, and the torsion dial indicator is fixed on the sliding sleeve.
The position of the torsion dial indicator is fixed by screwing the knob to the supporting rod, so that the torsion dial indicator is prevented from being displaced and inaccurate in reading.
As a preferred example, a connecting rod is transversely arranged on the sliding sleeve, and the torsion dial indicator is fixed on the connecting rod. The connecting rod that transversely sets up can guarantee to fix the torque amesdial, places the torque amesdial and rocks.
As a preferred example, the torsion dial indicator is placed at the central axis of the support rod.
As a preferred example, the upper cover plate is provided with a viewing port. The observation port is convenient for observing the state of the angular contact bearing without the inner ring to be measured and is used for adjusting the position of the angular contact bearing without the inner ring to be measured.
As a preferable example, the top of the upper cover plate is provided with a bulge, and the torsion dial indicator is in contact with the bulge.
The utility model has the advantages that:
(1) Through the utility model discloses, found one kind at the simulation bearing base and the contact back of no inner circle angular contact bearing outer lane, detected the no inner circle angular contact bearing that corresponds, discernment bearing steel ball and raceway's tangent point's spatial position carries out the stepping to no inner circle angular contact bearing, and no inner circle angular contact bearing after the stepping will assemble according to bearing base's assembly demand, selects suitable base bearing to assemble. Therefore, the corresponding groove bottom diameter (De), groove curvature (Re) and groove position do not need to be detected, so that the detection difficulty is reduced, and the working efficiency is improved.
(2) Through the utility model discloses, set up sliding sleeve, can utilize the whole height that is located the bracing piece of torsion amesdial, it can adjust the not inner circle angular contact bearing that awaits measuring of co-altitude not, the different engineering size of adaptation.
(3) Through the utility model discloses, set up the viewing aperture and be convenient for observe the state that awaits measuring no inner circle angular contact bearing to and be used for adjusting the position that awaits measuring no inner circle angular contact bearing.
(4) Through the utility model discloses, the connecting rod that transversely sets up can be guaranteed to fix the torsion amesdial, places the torsion amesdial and rocks.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. bearing height detects frock, 2, bearing base, 3, no inner circle angular contact bearing that awaits measuring, 4, upper cover plate, 41, viewing aperture, 42, arch, 5, bracing piece, 6, vertical slip subassembly, 61, sliding sleeve, 62, fixed subassembly, 63, connecting rod, 7, torsion amesdial.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention will be further described with reference to the following embodiments.
In the description of the present invention, it should be understood that the terms "lateral", "longitudinal", "end", "edge", "side wall", "upper", "lower", "directly above", "surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "end", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for the convenience of describing the technical solution of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in figure 1, the main bearing grading detection device of the RV reducer comprises a bearing height detection tool 1, a bearing base 2, an upper cover plate 4, a support rod 5, a longitudinal sliding assembly 6 and a torsion dial indicator 7; wherein,
the bearing height detection tool 1 serves as a supporting seat and plays a supporting role;
the bearing base 2 is clamped on the bearing height detection tool 1 through a clamping groove on the bearing height detection tool 1, and the bearing base 2 is sleeved with a to-be-detected inner ring-free angular contact bearing 3;
the upper cover plate 4 is placed on the large end face of the outer ring of the angular contact bearing without the inner ring;
the support rod 5 is vertically fixed on the bearing height detection tool 1 through a bolt;
the longitudinal sliding component 6 is arranged on the support rod 5 and is connected with the support rod 5 in a sliding way, and a fixing component 62 is arranged on the longitudinal sliding component and is used for fixing the longitudinal sliding component 6 on the support rod 5;
the torsion dial indicator 7 is fixed on the longitudinal sliding assembly 6 and is in contact with the upper cover plate 4. The torsion dial indicator 7 is arranged on the central axis of the support rod 5.
Specifically, the method comprises the following steps:
the longitudinal sliding assembly 6 comprises a sliding sleeve 61 which is sleeved on the support rod 5 and slides relative to the support rod 5, a fixing assembly 62 is rotatably connected with the sliding sleeve 61, and one end of the fixing assembly extends into the sliding sleeve 61 and can abut against the support rod 5. Through sliding sleeve 61, can utilize the whole height that is located bracing piece 5 of torsion amesdial 7, it can adjust the not inner circle angular contact bearing 3 that awaits measuring of co-altitude, the different engineering size of adaptation.
Wherein, be provided with the screw hole on the sliding sleeve 61, fixed subassembly 62 is the knob, and its one end is provided with the screw rod, and the screw rod can screw in the screw hole and support the pole 5 each other and lean on, and torsion amesdial 7 is fixed in on the sliding sleeve 61. The position of the torsion dial indicator 7 is fixed by screwing the knob to the support rod 5, so that the phenomenon that the torsion dial indicator 7 displaces to cause inaccurate reading is avoided. The sliding sleeve 61 is transversely welded with a connecting rod 63, and the torsion dial indicator 7 is fixed on the connecting rod 63. Transversely set up connecting rod 63 can guarantee to fix torque dial indicator 7, places torque dial indicator 7 and rocks.
Wherein, the upper cover plate 4 is provided with an observation port 41. The observation port 41 facilitates observation of the state of the angular contact bearing without inner ring 3 to be measured and adjustment of the position of the angular contact bearing without inner ring 3 to be measured. The top of the upper cover plate 4 is provided with a bulge 42, and the torsion dial indicator 7 is contacted with the bulge 42.
Example 2
As shown in fig. 2, the difference from embodiment 1 is that in embodiment 1, a clamping groove is arranged at the top of the bearing base 2, and the clamping groove clamps a to-be-tested angular contact bearing without an inner ring therein; and the bottom and the top of the bearing base 2 of this embodiment are provided with the draw-in groove respectively, and the draw-in groove of this part joint no inner circle angular contact bearing that awaits measuring respectively for detect two sets of no inner circle angular contact bearings, promoted holistic detection efficiency.
The utility model discloses before detecting the no inner circle angular contact bearing that awaits measuring, need calibrate torsion amesdial 7, concrete calibration process as follows:
the bearing base is placed at a fixed position of the bearing height detection tool, then the standard counter gauge 0-position bearing is placed above the bearing base, the upper cover plate is placed on the outer ring large end face of the standard counter gauge 0-position bearing, the torsion dial indicator is assembled to a proper position, namely, a thimble of the torsion dial indicator is placed at a protruding position of the upper cover plate and is in contact with the upper cover plate, then the gauge needle of the torsion dial indicator is adjusted to a zero position, the torsion dial indicator rotates for multiple times and is used for counting, and the stability and reliability of the number of the torsion dial indicator are guaranteed.
The detection process of the angular contact bearing 3 without the inner ring to be detected is as follows:
1. taking down the '0-bit' bearing of the standard counter meter, placing the to-be-tested angular contact bearing 3 without the inner ring at a corresponding position, reading the indication number of the main bearing and grading according to the grade of 5 micrometers;
2. continuously replacing the angular contact bearing 3 without the inner ring to be detected and covering the cover plate 4 to detect and grade the bearing. The classified bearings are well classified, and the generation is to pair the main bearing according to the requirement.
The device constructs a method for detecting the corresponding angular contact bearing without the inner ring after simulating the contact between the bearing base 2 and the outer ring of the angular contact bearing without the inner ring, identifies the space position of the tangent point of the bearing steel ball and the raceway, carries out grading on the angular contact bearing without the inner ring, and selects a proper main bearing to assemble the angular contact bearing without the inner ring after grading according to the assembly requirement of the bearing base 2. Therefore, the corresponding groove bottom diameter (De), groove curvature (Re) and groove position do not need to be detected, so that the detection difficulty is reduced, and the working efficiency is improved.
The foregoing illustrates and describes the general principles, features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a RV speed reducer main bearing stepping detection device which characterized in that includes:
a bearing height detection tool;
the bearing pedestal is fixed on the bearing height detection tool, and is sleeved with the angular contact bearing to be detected without the inner ring;
the upper cover plate is placed on the large end face of the outer ring of the angular contact bearing without the inner ring;
the supporting rod is vertically fixed on the bearing height detection tool;
the longitudinal sliding assembly is arranged on the supporting rod and is in sliding connection with the supporting rod, and a fixing assembly is arranged on the longitudinal sliding assembly and is used for fixing the longitudinal sliding assembly on the supporting rod;
and the torsion dial indicator is fixed on the longitudinal sliding assembly and is in contact with the upper cover plate.
2. The device as claimed in claim 1, wherein the longitudinal sliding assembly comprises a sliding sleeve sleeved on the support rod and sliding relatively to the support rod, the fixing assembly is rotatably connected to the sliding sleeve, and one end of the fixing assembly extends into the sliding sleeve and can abut against the support rod.
3. The device for detecting the grading of the main bearing of the RV reducer as claimed in claim 2, wherein the sliding sleeve is provided with a threaded hole, the fixing component is a knob, one end of the fixing component is provided with a screw rod, the screw rod can be screwed into the threaded hole to abut against the supporting rod, and the torsion dial indicator is fixed on the sliding sleeve.
4. The device for detecting the grading of the main bearing of the RV reducer as claimed in claim 3, wherein a connecting rod is transversely arranged on the sliding sleeve, and the torsion dial indicator is fixed on the connecting rod.
5. The device for detecting the grading of the main bearing of the RV reducer as claimed in claim 1, wherein the torsion dial indicator is placed at the central axis of the support rod.
6. The device of claim 1, wherein the upper cover plate is provided with a viewing port.
7. The device for detecting the grading of the main bearing of the RV reducer as claimed in claim 1, wherein a protrusion is arranged at the top of the upper cover plate, and the torsion dial indicator is in contact with the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223037856.5U CN218822006U (en) | 2022-11-15 | 2022-11-15 | RV speed reducer base bearing stepping detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223037856.5U CN218822006U (en) | 2022-11-15 | 2022-11-15 | RV speed reducer base bearing stepping detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218822006U true CN218822006U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223037856.5U Active CN218822006U (en) | 2022-11-15 | 2022-11-15 | RV speed reducer base bearing stepping detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218822006U (en) |
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2022
- 2022-11-15 CN CN202223037856.5U patent/CN218822006U/en active Active
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