CN216695578U - Large-scale bearing testing arrangement - Google Patents
Large-scale bearing testing arrangement Download PDFInfo
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- CN216695578U CN216695578U CN202220237296.9U CN202220237296U CN216695578U CN 216695578 U CN216695578 U CN 216695578U CN 202220237296 U CN202220237296 U CN 202220237296U CN 216695578 U CN216695578 U CN 216695578U
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- iron platform
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a large-scale bearing testing device, which comprises a cast iron platform, a supporting table, a rotary unit, a tension sensing part and a positioning assembly, wherein the cast iron platform is arranged on the supporting table; the positioning assembly comprises a positioning block and a driving unit; the utility model provides a stable test main body and high flatness for the bearing to be tested through the cast iron platform and the support table, and can provide convenience for hoisting the bearing; the positioning block is arranged in a sliding mode, when the bearing testing device is used for testing bearings of different specifications, the positioning block is driven by the driving unit to abut against a static ring of the bearing to be tested along the radial direction of the bearing to be tested, so that the bearing is positioned, the operation is convenient and fast, manual frequent adjustment is not needed, the starting moment of the bearing to be tested is measured through the matching of the rotary unit and the tension sensing piece after the positioning is finished, and the bearing testing device is convenient and fast.
Description
Technical Field
The utility model relates to the field of bearing testing, in particular to a large-scale bearing testing device.
Background
The turntable bearing is a large bearing with a special structure capable of simultaneously bearing comprehensive loads such as large axial load, radial load, overturning moment and the like, integrates multiple functions of supporting, rotating, transmitting, fixing, sealing, corrosion prevention and the like, and is widely applied to equipment such as hoisting machinery, engineering machinery, transportation machinery, wind driven generators and the like.
The bearing performance testing mechanism can accurately measure the starting torque of the turntable bearing in no-load, the traditional manual mode of driving a bearing ring by using a thrust rod is replaced, and the existing bearing performance testing mechanism has the following problems: 1. the bearings are inconvenient to position and unstable in structure, and the positioning of the bearings with different specifications can be completed by manual adjustment for many times; 2. the existing testing mechanism has a complex structure and is not suitable for fast-paced field production.
In summary, a large-scale bearing testing device is urgently needed to solve the problem of testing bearings with different specifications in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a large-scale bearing testing device to solve the problem of bearing detection of different specifications in the prior art, and the specific technical scheme is as follows:
a large-scale bearing testing device comprises a cast iron platform, a supporting table, a rotary unit, a tension sensing part and a positioning assembly; the supporting platform is arranged on the cast iron platform and used for supporting the bearing to be measured; the rotary unit is arranged on the cast iron platform, the output end of the rotary unit is connected with the rotating ring of the bearing to be tested through the tension sensing part, and the rotary unit drives the rotating ring to rotate; the positioning assembly comprises a positioning block and a driving unit; the positioning block is arranged on the support table in a sliding mode and used for limiting a static ferrule of the bearing to be tested; the driving unit is connected with the positioning block and used for driving the positioning block to abut against the static ferrule.
Above technical scheme is preferred, the cast iron platform includes a plurality of cast iron platform singlets, can dismantle between a plurality of cast iron platform singlets and connect.
The preferable technical proposal comprises a plurality of groups of supporting tables; and the multiple groups of supporting tables are arranged on the cast iron platform around the axial direction of the bearing to be measured.
Preferably, in the technical scheme, the support table is detachably arranged on the cast iron platform; the positioning components and the supporting platforms are arranged in a one-to-one correspondence mode.
Preferably, the rotary unit comprises a center positioning seat, a cantilever, a first driving part and a speed reducer; the central positioning seat is arranged on the cast iron platform and is coaxial with the bearing to be measured; the first driving piece and the speed reducer are both arranged in the center positioning seat; the output end of the first driving piece is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the cantilever; the cantilever is connected with the rotating ferrule through the tension sensing part.
Preferably, the output end of the first driving piece is connected with the cantilever through a spline.
Preferably, in the above technical solution, the rotation unit further includes a bearing seat and a self-aligning bearing; the self-aligning bearing is installed in the bearing seat, and the self-aligning bearing is sleeved with the output end of the speed reducer and matched with the output end of the speed reducer.
Preferably, in the above technical solution, the driving unit includes a second driving member and a transmission member; the output end of the second driving piece is connected with the transmission piece, the transmission piece is connected with the positioning block, and the second driving piece and the transmission piece are matched to drive the positioning block to slide in the radial direction of the bearing to be tested.
Above technical scheme is preferred, the second driving piece is the extensible member, perhaps the second driving piece is the motor, driving medium and locating piece screw-thread fit.
Preferably, the support table is provided with a guide chute; the length direction of the guide sliding groove is consistent with the radial direction of the bearing to be measured, and the positioning block is arranged in the guide sliding groove in a sliding mode.
The technical scheme of the utility model has the following beneficial effects:
(1) the large-scale bearing testing device comprises a cast iron platform, a supporting table, a rotary unit, a tension sensing part and a positioning assembly; the positioning assembly comprises a positioning block and a driving unit; the utility model provides a stable test main body and high flatness for the bearing to be tested through the cast iron platform and the support table, and can provide convenience for hoisting the bearing; the positioning block is arranged in a sliding mode, when the bearing testing device is used for testing bearings of different specifications, the positioning block is driven by the driving unit to abut against a static ring of the bearing to be tested along the radial direction of the bearing to be tested, so that the bearing is positioned, the operation is convenient and fast, manual frequent adjustment is not needed, the starting moment of the bearing to be tested is measured through the matching of the rotary unit and the tension sensing piece after the positioning is finished, and the bearing testing device is convenient and fast.
(2) The cantilever is connected with the output end of the speed reducer through the spline, so that the cantilever can be quickly disassembled on the premise of ensuring the structural strength, and the replacement of the cantilevers with different lengths according to bearings with different specifications is facilitated.
(3) The positioning block can be rapidly driven to slide by matching the second driving piece and the transmission piece, so that the positioning is finished without manual adjustment.
(4) The self-aligning bearing is arranged to bear radial load, and can bear certain axial load, so that the self-aligning performance is good, and the coaxiality error can be compensated.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic structural diagram of a large-scale bearing testing device according to the present embodiment;
FIG. 2 is a schematic view of a first drive member and a speed reducer of the swing unit;
wherein, 1, a cast iron platform; 2.a support table; a, channel steel; 3. a rotation unit; 3.1, a central positioning seat; 3.2, a cantilever; 3.3, a first driving piece; 3.4, a speed reducer; 4. a tension sensing member; 5. a positioning assembly; 5.1, positioning blocks; 5.2, a driving unit; 5.21, a second driving piece; 5.22, a transmission piece; 6. a bearing to be tested; 6.1, a static ferrule; 6.2, rotating the ferrule.
Detailed Description
Embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
a large-scale bearing testing device comprises a cast iron platform 1, a supporting platform 2, a rotary unit 3, a tension sensing part 4 and a positioning assembly 5, as shown in figures 1 and 2, the device comprises the following components:
the cast iron platform 1 of this embodiment is used for bearing of each part, and cast iron platform 1 is preferably split type design, and cast iron platform 1 includes a plurality of cast iron platform singlets promptly, forms wholly through dismantling the connection between a plurality of cast iron platform singlets for cast iron platform 1 of this embodiment can be assembled according to actual conditions. The reference bolt connection can be detachably connected here.
Supporting bench 2 sets up on cast iron platform 1, and supporting bench 2 is used for bearing the bearing 6 that awaits measuring and can provide high plane degree, and multiunit cast iron platform 1 sets up around the axial of rotation unit 3 (the axial of the bearing 6 that awaits measuring promptly), and preferred supporting bench 2 can dismantle the setting on cast iron platform 1, is convenient for dismantle and assemble according to operating condition. The present embodiment illustrates six sets of support stands 2 arranged circumferentially at equal intervals.
The rotary unit 3 is arranged on the cast iron platform 1, and the rotary unit 3 and the bearing 6 to be tested are coaxially arranged; gyration unit 3 includes center positioning seat 3.1, cantilever 3.2, first driving piece 3.3 (like motor or hydraulic motor), reduction gear 3.4, bearing frame and self-aligning bearing, specifically as follows:
the central positioning seat 3.1 is arranged on the cast iron platform 1, and the central positioning seat 3.1 and the bearing 6 to be measured are coaxially arranged; the first driving piece and the speed reducer are both fixedly arranged in the center positioning seat 3.1, the output end of the first driving piece is connected with the input end of the speed reducer, and the first driving piece is used for providing initial power for the rotation of the bearing 6 to be tested; the bearing seat is arranged on the central positioning seat 3.1 through a bolt, the self-aligning bearing is arranged in the bearing seat, and the self-aligning bearing and the output end of the speed reducer are sleeved; the output end of the speed reducer is connected with one end of the cantilever 3.2 (preferably in spline connection), the other end of the cantilever 3.2 is connected with the tension sensing part 4 (like the existing tension sensor), the tension sensing part 4 is connected with the rotating ferrule 6.2 (namely the inner ring) of the bearing 6 to be tested, the cantilever 3.2 is driven to rotate through the first driving part, and therefore the rotating ferrule 6.2 is pulled to rotate through the tension sensing part 4. The connection of the tension sensor element 4 to the cantilever 3.2 and the rotating collar 6.2 is preferably: the tip of cantilever 3.2 is equipped with first bolt, rotates and to install the second bolt on lasso 6.2, and first bolt and second bolt, first bolt and second bolt are connected respectively to the both ends of pulling force sensing part 4, not shown.
The positioning assembly 5 comprises a positioning block 5.1 and a driving unit 5.2;
the positioning block 5.1 is slidably arranged at the upper end of the support table 2 and can slide in the radial direction of the bearing 6 to be measured, and the driving unit 5.2 is used for driving the positioning block 5.1 to abut against a static ferrule 6.1 (namely an outer ring) of the bearing 6 to be measured, so that the stability and the limitation of the bearing 6 to be measured are realized.
The mode that the positioning block 5.1 is arranged on the supporting platform 2 in a sliding way is as follows: the upper end of the supporting table 2 is provided with a guide chute (the preferable guide chute is formed by channel steel 2.a at the upper end of the supporting table 2), the bearing 6 to be tested is arranged on the channel steel 2.a, the length direction of the guide chute is consistent with the radial direction of the bearing 6 to be tested, and the positioning block 5.1 is arranged in the guide chute in a sliding manner.
The driving unit 5.2 includes a second driving element 5.21 and a transmission element 5.22, and the positioning block 5.1 is driven to slide in the guide sliding groove by the cooperation of the second driving element 5.21 and the transmission element 5.22, and in this embodiment, the second driving element 5.21 and the transmission element 5.22 are preferably in the following two manners:
the first method is as follows: the second driving part 5.21 is a telescopic part (refer to the existing telescopic oil cylinder), the second driving part 5.21 is fixed on the cast iron platform 1 or the support table 2, the output end of the second driving part 5.21 is connected with one end of the transmission part 5.22 (such as a transmission rod), the other end of the transmission part 5.22 is connected with the positioning block 5.1, and the second driving part 5.21 is used for stretching, so that the positioning block 5.1 is driven to slide in the guide sliding groove.
The second method is as follows: second driving piece 5.21 is the motor, and second driving piece 5.21 is fixed on cast iron platform 1 or brace table 2, and the output and the driving medium 5.22 (like drive screw) of second driving piece 5.21 are connected, and driving medium 5.22 runs through setting of locating piece 5.1, and driving medium 5.22 and locating piece 5.1 screw-thread fit, rotate through second driving piece 5.21 drive driving medium 5.22 to drive locating piece 5.1 and slide in the direction spout.
Preferably, the positioning assemblies 5 and the support tables 2 of the present embodiment are arranged in one-to-one correspondence.
Preferably, in this embodiment, a locking mechanism (such as an existing chuck-type brake structure) may be disposed on the cast iron platform 1 or the supporting platform 2 to lock and unlock the transmission member 5.22, so as to ensure a stable structure.
The working principle of the large-scale bearing testing device of the embodiment is as follows:
1. the bearing 6 to be tested is horizontally placed on the support table 2 (specifically, on the channel steel 2.a at the upper end of the support table 2), and the positioning block 5.1 is abutted against the static ferrule 6.1 of the bearing 6 to be tested under the driving of the driving unit 5.2, so that the stability of the bearing 6 to be tested is realized;
2. selecting a proper length of the cantilever 3.2 according to the specification of the bearing 6 to be tested, and connecting a tension sensing part 4 between the cantilever 3.2 and a rotating ring 6.2 of the bearing to be tested;
3. the control system (refer to the prior art) controls the action of the first driving piece, the cantilever 3.2 and the rotating ferrule 6.2 are driven to rotate through the first driving piece, the tension sensor collects corresponding numerical values and transmits the numerical values to the control system, the control system obtains starting torque through the relevant numerical values, and the test is finished.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A large-scale bearing testing device is characterized by comprising a cast iron platform (1), a supporting table (2), a rotary unit (3), a tension sensing part (4) and a positioning assembly (5);
the supporting platform (2) is arranged on the cast iron platform (1) and is used for supporting a bearing (6) to be measured;
the rotary unit (3) is arranged on the cast iron platform (1), the output end of the rotary unit (3) is connected with a rotary ferrule (6.2) of the bearing (6) to be tested through a tension sensing piece (4), and the rotary ferrule (6.2) is driven to rotate through the rotary unit (3);
the positioning assembly (5) comprises a positioning block (5.1) and a driving unit (5.2); the positioning block (5.1) is arranged on the supporting table (2) in a sliding mode, and the positioning block (5.1) is used for limiting a static ferrule (6.1) of the bearing (6) to be measured; the driving unit (5.2) is connected with the positioning block (5.1) and used for driving the positioning block (5.1) to abut against the static ferrule (6.1).
2. Large bearing test device according to claim 1, characterized in that the cast iron platform (1) comprises a plurality of cast iron platform singlets, which are detachably connected to each other.
3. Large bearing test device according to claim 1, characterized by comprising a plurality of sets of support tables (2); the multiple groups of supporting tables (2) are arranged on the cast iron platform (1) around the axial direction of the bearing (6) to be measured.
4. A large bearing test device according to claim 3, characterized in that the support table (2) is detachably arranged on the cast iron platform (1); the positioning components (5) are arranged in one-to-one correspondence with the support platforms (2).
5. Large bearing test device according to claim 1, characterized in that the swivel unit (3) comprises a central positioning seat (3.1), a cantilever (3.2), a first drive (3.3) and a speed reducer (3.4);
the central positioning seat (3.1) is arranged on the cast iron platform (1) and is coaxial with the bearing (6) to be measured; the first driving piece and the speed reducer are both arranged in the central positioning seat (3.1); the output end of the first driving piece is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the cantilever (3.2); the cantilever (3.2) is connected with the rotating ferrule (6.2) through a tension sensing part (4).
6. Large bearing test device according to claim 5, characterized in that a splined connection is provided between the output of the first drive member and the cantilever arm (3.2).
7. Large bearing test device according to claim 5, characterized in that the swivel unit (3) further comprises a bearing block and a self-aligning bearing; the self-aligning bearing is installed in the bearing seat, and the self-aligning bearing is sleeved with the output end of the speed reducer and matched with the output end of the speed reducer.
8. Large bearing test device according to any of claims 1-7, characterized in that the drive unit (5.2) comprises a second drive (5.21) and a transmission (5.22); the output end of the second driving part (5.21) is connected with the transmission part (5.22), the transmission part (5.22) is connected with the positioning block (5.1), and the second driving part (5.21) and the transmission part (5.22) are matched with each other to drive the positioning block (5.1) to slide in the radial direction of the bearing (6) to be measured.
9. Large bearing testing device according to claim 8, characterized in that the second driving element (5.21) is a telescopic element or the second driving element (5.21) is an electric motor, and the transmission element (5.22) is in threaded engagement with the positioning block (5.1).
10. The large bearing testing device according to claim 1, characterized in that the support table (2) is provided with a guide chute; the length direction of the guide sliding groove is consistent with the radial direction of the bearing (6) to be measured, and the positioning block (5.1) is arranged in the guide sliding groove in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237296.9U CN216695578U (en) | 2022-01-28 | 2022-01-28 | Large-scale bearing testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237296.9U CN216695578U (en) | 2022-01-28 | 2022-01-28 | Large-scale bearing testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN216695578U true CN216695578U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220237296.9U Active CN216695578U (en) | 2022-01-28 | 2022-01-28 | Large-scale bearing testing arrangement |
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|---|---|
| CN (1) | CN216695578U (en) |
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2022
- 2022-01-28 CN CN202220237296.9U patent/CN216695578U/en active Active
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