CN113267284B - Bearing constant load starting torque detection device - Google Patents
Bearing constant load starting torque detection device Download PDFInfo
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- CN113267284B CN113267284B CN202110540749.5A CN202110540749A CN113267284B CN 113267284 B CN113267284 B CN 113267284B CN 202110540749 A CN202110540749 A CN 202110540749A CN 113267284 B CN113267284 B CN 113267284B
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- bearing
- block
- load
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- action bars
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
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- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention provides a bearing constant-load starting torque detection device which comprises a measuring instrument, a load block and a base, wherein the load block and the base are vertically arranged, the load block is disc-shaped and can be vertically arranged in a sliding mode, the base and the load block are respectively provided with a matching block and a loading head, the matching block can be abutted against and limited by an outer ring of a bearing to be detected, and the loading head can be in positioning fit with an inner ring of the bearing to be detected. Aiming at the defects of the prior art, the invention provides a bearing constant-load starting torque detection device which is convenient for the replacement of a bearing to be detected, can avoid the deformation of an outer ring and ensures the accuracy of a measurement result.
Description
Technical Field
The invention relates to a bearing constant-load starting torque detection device.
Background
The bearing is an important accessory for rotating support in a mechanical body, in the actual use process, the inner ring and the outer ring of the bearing are respectively connected with an equipment main body and a rotating body, a pretightening force is applied to the bearing through the equipment main body and the rotating body, the pretightening force can directly influence the starting torque of the bearing, and further the energy consumption of the whole equipment is reduced, therefore, before the bearing leaves a factory, the bearing generally needs to be measured under various loads, the constant-load starting torque of the bearing in the prior art is detected, the inner ring of the bearing is generally connected with the rotating shaft, then a heavy object is hoisted on the outer ring of the bearing, the pretightening force of the equipment main body and the rotating body to the bearing is simulated, then the rotating shaft rotates intermittently, and a corresponding measuring instrument is arranged, the torque value of the bearing under a certain load can be known, on one hand, in the detection mode in the prior art, when hoisting heavy objects, the outer ring of the bearing may also have certain deformation, which affects the actual measurement result, and on the other hand, when replacing the bearing to be measured, it is troublesome.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bearing constant-load starting torque detection device which is convenient for the replacement of a bearing to be detected, can avoid the deformation of an outer ring and ensures the accuracy of a measurement result.
In order to achieve the purpose, the invention provides a bearing constant-load starting torque detection device which comprises a measuring instrument, a load block and a base, wherein the load block and the base are arranged up and down, the load block is in a disc shape and can slide up and down, the base and the load block are respectively provided with a matching block and a loading head, the matching block can be abutted against and limited by an outer ring of a bearing to be detected, and the loading head can be positioned and matched with an inner ring of the bearing to be detected.
The technical scheme has the advantages that: through setting to be discoid and gliding load block from top to bottom, and can with the spacing cooperation piece of bearing inner race butt that awaits measuring, by the location fit between the loading head of load block and the inner circle of the bearing that awaits measuring, make the gravity of analog device main part pretightning force by can bearing by the bearing inner circle, and discoid load block can guarantee the stable operation of the bearing that awaits measuring in the measurement process, avoid adopting under the hoist and mount heavy object mode, the problem of outer lane deformation, and the load block that slides the lift from top to bottom can be convenient for change the bearing that awaits measuring.
The invention may further be arranged to: the loading head comprises a column part, a step part and a locking block, the column part can be arranged in an inner hole of the bearing to be tested in a penetrating mode, the step part is connected to one end of the column part, the locking block is sleeved on the column part and matched with the column part in a threaded mode, and the step part and the locking block can form axial clamping on the inner ring of the bearing to be tested.
Through further setting up, after the column part of loading head penetrated the hole of the bearing that awaits measuring, connect in the step portion of column part one end department and the one end butt cooperation of the bearing that awaits measuring, later with the locking piece suit on the column part, through the spiro union cooperation between locking piece and column part, rotate the locking piece to can cooperate the step portion to form the position department of inner circle formation axial centre gripping after to await measuring to form the location to the bearing inner circle, compare with bearing hole and pivot interference fit's mode, easy dismounting is many.
The invention may further be arranged to: the cooperation piece detachable set up on the base, and the cooperation piece is cyclic annular.
Through further setting, with cooperation piece detachable setting on the base, be convenient for adjust the device to the bearing that awaits measuring of different specifications.
The invention may further be arranged to: the loading block on be provided with the spread groove, the spread groove can cup joint on loading head, and spline meshing between spread groove inner wall and the loading head.
Through further arrangement, spline meshing is formed between the connecting groove in the load block and the loading head, the load block and the loading head can be in anti-rotation fit, meanwhile, no limit in the vertical direction exists between the load block and the loading head, and after the load block slides up and down, the load block can be separated from/installed on the loading head, so that the load block and the loading head can be conveniently disassembled and assembled.
The invention may further be arranged to: including last casing and telescopic shaft, the one end of telescopic shaft slides and wears to establish in last casing, rotates between the other end of telescopic shaft and the load piece to be connected, and telescopic shaft radial extension is provided with the first action bars of wearing out the casing.
Through further setting up, the first action bars that radially worn out the upper housing by the telescopic shaft control telescopic shaft one end and slide from top to bottom in the upper housing, drive the load piece with telescopic shaft other end normal running fit slide from top to bottom, simple structure, the operation of being convenient for.
The invention may further be arranged to: one end of the telescopic shaft radially extends to form a protruding part, and a plurality of damping parts are arranged between the downward end of the protruding part and the inner wall of the upper shell.
Through further setting, at a plurality of damping pieces between telescopic shaft bellying and last shells inner wall, can provide the buffering at the in-process that the telescopic shaft glided, avoid load block, the bearing that awaits measuring etc. to collide with the damage.
The invention may further be arranged to: the upper shell is provided with a sliding groove for the first operating rod to penetrate through in a sliding mode, the sliding groove comprises a main section and a bending section located above the main section, and a locking groove is formed at the tail end of the bending section.
Through further arrangement, the main body and the bending section are arranged above the main body, when measurement is needed, the first operating rod slides to the main section, and the telescopic shaft moves downwards under the action of gravity; when accomplishing measurement, adjustment and change, slide locking groove department through the bending segment with first action bars, first action bars receives gravity to compress tightly in locking groove department, forms spacing, simple structure, convenient operation to the telescopic shaft.
The invention may further be arranged to: the base on be provided with telescopic bracket, telescopic bracket butt in the lower extreme department of cooperation piece, and telescopic bracket is last to be provided with the second action bars that wears out the base, the second action bars can make telescopic bracket stretch out and draw back from top to bottom.
Through further setting up, set up the telescopic bracket and be used for to making telescopic bracket telescopic second action bars from top to bottom in the lower extreme department of cooperation piece, can be through telescopic bracket's up-and-down motion, the height of adjustment cooperation piece, on the one hand, can be according to the big or small specification adjustment height of the bearing that awaits measuring, the load piece of being convenient for cooperates with it, and on the other hand can be with cooperation piece lifting to the position that convenient to use person got, put, the complex adjustment of being convenient for is changed.
The invention may further be arranged to: the telescopic bracket comprises a bracket body and two transmission rods, wherein the two transmission rods are arranged in a crossed manner and are hinged to each other at an intersection point, one end of each transmission rod close to the second operating rod is matched with the bracket body in a hinged manner, the other end of each transmission rod is matched with the bracket body in a sliding manner, the second operating rod is arranged on the base in a sliding manner, and the second operating rod penetrates into one end of the base and the hinged portion of each transmission rod to be in universal connection.
Through further arrangement, one end of each transmission rod, close to the second operating rod, is hinged to the frame body, the other end of each transmission rod is in sliding fit with the frame body, and when the second operating rod moves towards the telescopic frame, the telescopic frame descends; the second operating rod moves in the reverse direction, the telescopic support rises, and the second operating rod is controlled to move towards the direction close to or far away from the telescopic support, so that the telescopic support is enabled to stretch up and down.
The invention may further be arranged to: the second action bars including the body of rod and stopper, the body of rod is worn to establish on the stopper and with it spiro union cooperation, the base including the mounting hole that supplies the second action bars to wear to establish, the one end department of mounting hole is provided with annular flange, annular flange extend towards the mounting hole axle center direction and set up, and annular flange can be spacing with the stopper butt, mounting hole other end department slides and inserts and be equipped with the dog, the dog can slide to spacing with the stopper butt.
Through further arrangement, in one state, the second operating rod penetrates through the mounting hole, two ends of the limiting block are respectively abutted and limited with the annular flange and the flange, at the moment, the rod body can move relative to the limiting block by rotating the second operating rod, and small-amplitude lifting of the telescopic bracket is formed, so that small-amplitude adjustment is facilitated according to the specification of the bearing to be measured; when the telescopic support is in another state, the stop block slides to leave the motion path of the limiting block, the second operating rod can be directly pulled out integrally, and the matching block is lifted by the telescopic support along with the second operating rod, so that the matching block can be conveniently disassembled and replaced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion a of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion b of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of portion c of FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a chute according to an embodiment of the present invention;
FIG. 6 is a schematic view of the two driving rods in the embodiment of the present invention;
FIG. 7 is a schematic diagram of the load block and loading head in accordance with an embodiment of the present invention;
wherein: a load block 1; a loading head 11; a pillar portion 111; a step portion 112; a lock block 113; a connecting groove 12; a base 2; a mating block 21; a telescopic bracket 22; a frame body 221; a drive link 222; a second operating lever 23; a rod body 231; a limiting block 232; mounting holes 24; an annular rib 241; a stopper 242; a bearing 3 to be tested; an upper case 4; a chute 41; a main section 411; a bending section 412; a lock groove 413; a telescopic shaft 5; a first operation lever 51; the boss 52; a damping member 6; a sealing tube 61; a piston 62; and a filling liquid 63.
Detailed Description
The embodiment of the bearing constant-load starting torque detection device of the invention is shown in figures 1-7: including measuring instrument, the load piece 1 and the base 2 of arranging the setting from top to bottom, measuring instrument is conventional setting, not shown in the drawing, the load piece be discoid, and load piece 1 can slide the setting from top to bottom, base 2 and load piece 1 on be provided with cooperation piece 21 and loading head 11 respectively, cooperation piece 21 can be spacing with the outer lane butt of the bearing 3 that awaits measuring, loading head 11 can with the inner circle location fit of the bearing 3 that awaits measuring. The loading head 11 comprises a column part 111, a step part 112 and a locking block 113, the column part 111 can be arranged in an inner hole of the bearing 3 to be tested in a penetrating mode, the step part 112 is connected to one end of the column part 111, the locking block 113 is sleeved on the column part 111 and is in threaded connection with the column part 111, and the step part 112 and the locking block 113 can form axial clamping on an inner ring of the bearing 3 to be tested. The matching block 21 is detachably arranged on the base 2, and the matching block 21 is annular. The loading block 1 is provided with a connecting groove 12, the connecting groove 12 can be sleeved on the loading head 11, and the inner wall of the connecting groove 12 is in spline engagement with the loading head 11. Including last casing 4 and telescopic shaft 5, the one end of telescopic shaft 5 slides and wears to establish in last casing 4, rotates between the other end of telescopic shaft 5 and the load piece 1 to be connected, and telescopic shaft 5 radially extends to be provided with the first action bars 51 of wearing out the casing. In the present embodiment, a bearing is provided between the telescopic shaft 5 and the load block 1 for constituting a rotational connection therebetween. A protruding part 52 radially extends from one end of the telescopic shaft 5, and a plurality of damping parts 6 are arranged between the downward end of the protruding part 52 and the inner wall of the upper shell 4. In this embodiment, the damping member 6 includes a sealing tube 61, a piston 62 and a filling liquid 63, the piston 62 is in clearance fit with the inner wall of the sealing tube 61, and the piston tube 62 and the sealing tube 61 are respectively connected with the boss 52 and the inner wall of the upper housing 4. The upper housing 4 is provided with a sliding slot 41 for the first operating rod 51 to slide through, the sliding slot 41 includes a main section 411 and a bending section 412 located above the main section 411, and a locking slot 413 is formed at the end of the bending section. The base 2 on be provided with telescopic bracket 22, telescopic bracket 22 butt in the lower extreme department of cooperation piece 21, and telescopic bracket 22 is last to be provided with the second action bars 23 of wearing out base 2, second action bars 23 can make telescopic bracket 22 stretch out and draw back from top to bottom. The telescopic bracket 22 comprises a bracket body 221 and two transmission rods 222, the two transmission rods 222 are arranged in a crossed manner and hinged at an intersection point, one end of each of the two transmission rods 222 close to the second operating rod 23 is hinged to the bracket body 221, the other ends of the two transmission rods 222 are in sliding fit with the bracket body 221, the second operating rod 23 is arranged on the base 2 in a sliding penetrating manner, and the second operating rod 23 penetrates through one end of the base 2 and is connected with the hinged position of the two transmission rods 222 in a universal manner. Second action bars 23 including the body of rod 231 and stopper 232, the body of rod 231 wears to establish on stopper 232 and with it spiro union cooperation, base 2 including the mounting hole 24 that supplies second action bars 23 to wear to establish, the one end department of mounting hole 24 is provided with annular flange 241, annular flange 241 extend towards 24 axle center directions of mounting hole and set up, and annular flange 241 can be spacing with stopper 232 butt, the other end department of mounting hole 24 slides and inserts and be equipped with dog 242, dog 242 can slide to spacing with stopper 232 butt.
The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a bearing is load starting moment detection device surely, including measuring instrument, its characterized in that: the loading head can be in positioning fit with an inner ring of a bearing to be tested, the loading head comprises a column part, a step part and a locking block, the column part can be arranged in an inner hole of the bearing to be tested in a penetrating manner, the step part is connected to one end of the column part, the locking block is sleeved on the column part and is in threaded fit with the column part, the step part and the locking block can form axial clamping on the inner ring of the bearing to be tested, the matching block is detachably arranged on the base, the matching block is annular, a connecting groove is arranged on the loading block, the connecting groove can be sleeved on the loading head, and the inner wall of the connecting groove is in spline engagement with the loading head, including last casing and telescopic shaft, the one end department radial extension of telescopic shaft has the bellying, bellying one end down and last shells inner wall between be provided with a plurality of damping pieces.
2. The bearing constant-load starting torque detecting device as claimed in claim 1, wherein: one end of the telescopic shaft penetrates through the upper shell in a sliding mode, the other end of the telescopic shaft is connected with the load block in a rotating mode, and the telescopic shaft extends in the radial direction to be provided with a first operating rod penetrating out of the upper shell.
3. The bearing constant-load starting torque detecting device according to claim 1 or 2, characterized in that: the upper shell is provided with a sliding groove for the first operating rod to penetrate through in a sliding mode, the sliding groove comprises a main section and a bending section located above the main section, and a locking groove is formed at the tail end of the bending section.
4. The bearing constant-load starting torque detecting device according to claim 1 or 2, characterized in that: the base on be provided with telescopic bracket, telescopic bracket butt in the lower extreme department of cooperation piece, and telescopic bracket is last to be provided with the second action bars that wears out the base, the second action bars can make telescopic bracket stretch out and draw back from top to bottom.
5. The bearing constant-load starting torque detection device as claimed in claim 4, wherein: the telescopic bracket including support body and two transfer lines, two transfer lines cross arrangement and in nodical department articulated mutually, two transfer lines are close to the one end department of second action bars and the articulated cooperation of support body, sliding fit between the other end of two transfer lines and support body, the second action bars slide and wear to establish on the base, and the second action bars penetrates the one end of base and the articulated department universal connection of two transfer lines.
6. The bearing constant-load startup torque detection device according to claim 5, characterized in that: the second action bars including the body of rod and stopper, the body of rod is worn to establish on the stopper and with it spiro union cooperation, the base including the mounting hole that supplies the second action bars to wear to establish, the one end department of mounting hole is provided with annular flange, annular flange extend towards the mounting hole axle center direction and set up, and annular flange can be spacing with the stopper butt, mounting hole other end department slides and inserts and be equipped with the dog, the dog can slide to spacing with the stopper butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540749.5A CN113267284B (en) | 2021-05-18 | 2021-05-18 | Bearing constant load starting torque detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540749.5A CN113267284B (en) | 2021-05-18 | 2021-05-18 | Bearing constant load starting torque detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113267284A CN113267284A (en) | 2021-08-17 |
| CN113267284B true CN113267284B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110540749.5A Active CN113267284B (en) | 2021-05-18 | 2021-05-18 | Bearing constant load starting torque detection device |
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| CN (1) | CN113267284B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205404023U (en) * | 2016-02-25 | 2016-07-27 | 上海大学 | Self -lubricating joint bearing no -load start -up force moment measuring apparatu |
| CN206627240U (en) * | 2017-04-12 | 2017-11-10 | 人本集团有限公司 | A kind of bearing staring torque measurement apparatus |
| CN109668663B (en) * | 2018-12-14 | 2021-02-05 | 河南科技大学 | Device and method for testing friction torque of miniature bearing |
| CN109975021A (en) * | 2019-03-01 | 2019-07-05 | 钱潮轴承有限公司 | A kind of tapered roller bearing starting moment of friction detection device and method |
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2021
- 2021-05-18 CN CN202110540749.5A patent/CN113267284B/en active Active
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| Publication number | Publication date |
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| CN113267284A (en) | 2021-08-17 |
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