CN217980142U - Clearance measurement adjusting device applied to motor train unit gearbox bearing - Google Patents
Clearance measurement adjusting device applied to motor train unit gearbox bearing Download PDFInfo
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- CN217980142U CN217980142U CN202222058194.3U CN202222058194U CN217980142U CN 217980142 U CN217980142 U CN 217980142U CN 202222058194 U CN202222058194 U CN 202222058194U CN 217980142 U CN217980142 U CN 217980142U
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Abstract
The utility model provides a be applied to clearance measurement adjusting device of EMUs gearbox bearing belongs to the bearing clearance and measures adjustment technical field. The clearance measurement adjusting device applied to the motor train unit gearbox bearing comprises a supporting structure, a measuring mechanism and a bearing structure. The supporting structure comprises a supporting seat and a clamping piece, and the clamping piece is arranged on the supporting seat; the measuring mechanism comprises a fixed rod, a moving block and a measuring component, the fixed rod is fixed on the supporting seat, the moving block is located on the supporting seat, the measuring component comprises a first sliding part, a first lifting part and a dial indicator, and the first lifting part is fixed at the bottom of the first sliding part. The utility model discloses can accurately know the pressure of applying to the bearing, cooperate the percentage table can the accurate measurement to go out bearing play value simultaneously, the too big bearing damage phenomenon that leads to of pressure when avoiding bearing play to measure the adjustment simultaneously.
Description
Technical Field
The utility model relates to an adjustment technical field is measured to bearing play particularly, relates to an adjusting device is measured to play of being applied to EMUs gear box bearing.
Background
The measurement and adjustment process of the clearance of the gearbox bearing of the motor train unit is an effective means for improving the rotation precision and the bearing capacity of the bearing and reducing the vibration and the noise of a transmission system, the maintenance requirement of the motor train unit on the gearbox bearing is higher and higher, the adjustment and the pre-tightening of the clearance of the rolling bearing are an important link of the assembly work of the rolling bearing no matter whether the bearing is maintained in a state or decomposed, the process concept of the clearance measurement and adjustment is accurately mastered, and the process method is correctly applied in the assembly work and ensures the quality of the assembly work of the bearing.
Chinese patent No. CN215521633U provides a double-row tapered roller bearing clearance adjustment structure. The double-row tapered roller bearing clearance adjusting structure comprises an outer ring; a bearing assembly, a surface of the bearing assembly being disposed on an inner wall of the outer race; an inner ring assembly, a surface of the inner ring assembly being disposed on an inner wall of the bearing assembly; six adjusting part, six adjusting part's surface set up in the inner wall of inner circle subassembly, adjusting part is including adjusting the shell, adjust the inner wall fixed connection of shell in the inner wall of inner circle subassembly, one side of adjusting the shell inner wall is rotated and is connected with adjusting screw, the fixed rail of bottom fixedly connected with of adjusting the shell inner wall. The utility model provides a double-row tapered roller bearing play adjustment structure can change the play of bearing through adjusting screw, and this method easy operation can adjust simultaneously in real time, and is more convenient during the use, has also increased the convenience when device uses simultaneously.
The gearbox play can be adjusted, but because the bearing play value is relatively small, the bearing play needs to be adjusted after measurement, otherwise, the problem that the bearing is damaged or the bearing play value is measured inaccurately due to too large or too small pressure applied on the bearing is easy to occur.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides a be applied to clearance measurement adjusting device of EMUs gearbox bearing aims at improving the clearance measurement adjusting device who is applied to EMUs gearbox bearing, and it is too big or the undersize leads to bearing damage or the unsafe problem of bearing clearance regulation to apply pressure to the bearing.
The utility model discloses a realize like this:
the utility model provides a be applied to clearance measurement adjusting device of EMUs gearbox bearing, including bearing structure, measuring mechanism and bearing structure.
The supporting structure comprises a supporting seat and a clamping piece, and the clamping piece is arranged on the supporting seat; the measuring mechanism comprises a fixed rod, a moving block and a measuring component, the fixed rod is fixed on the supporting seat, the moving block is located on the supporting seat, the measuring component comprises a first sliding part, a first lifting part and a dial indicator, the first sliding part slides on the fixed rod, the first lifting part is fixed at the bottom of the first sliding part, the dial indicator is fixed at the bottom of the first lifting part, an extrusion component is fixed at the top of the moving block, the extrusion component comprises a second lifting part, an adjusting component is slidably mounted on the fixed rod, the adjusting component comprises a second sliding part and a micro-control electric cylinder, the micro-control electric cylinder is fixed at the bottom of the second sliding part, a pressure sensor is mounted on an output shaft of the micro-control electric cylinder, and a squeezing plate is mounted at the bottom of the pressure sensor; the bearing structure includes a shaft and a bearing body that is interference fit over the shaft.
In an embodiment of the present invention, the supporting seat has a groove inside, and the top of the supporting seat has a screw hole.
The utility model discloses an in one embodiment, the holder includes threaded rod and grip slipper, the threaded rod rotates in the screw hole, the top of grip slipper is fixed with the connecting seat, the bottom mounting of threaded rod has the rolling disc, the rolling disc rotates the inside of connecting seat.
In an embodiment of the present invention, the first sliding member includes a first sliding block, a first threaded hole is formed at the top of the first sliding block, and a first bolt is connected to the first threaded hole through an internal thread.
The utility model discloses an in one embodiment, first lifter includes first fixed column and first crane, first crane slides and pegs graft in the inside of first fixed column, one side threaded connection of first fixed column has first fastening bolt.
In an embodiment of the present invention, the inner thread of the moving block is connected to a screw, the screw rotates on the supporting seat, and a handle is fixed to one end of the screw.
The utility model discloses an in one embodiment, the second lifting member includes second fixed column and second crane, the second crane slides and pegs graft in the inside of second fixed column, one side threaded connection of second fixed column has second fastening bolt.
In an embodiment of the present invention, a second guiding member is disposed on the moving block, the second guiding member includes a second guiding rod, a second guiding hole is formed in one side of the moving block, and the moving block passes through the second guiding hole and slides on the second guiding rod.
In an embodiment of the present invention, the second slider includes a second sliding block, a second threaded hole is formed at the top of the second sliding block, and a second bolt is connected to the inner thread of the second threaded hole.
In an embodiment of the present invention, the first slider and the second slider are both provided with a first guiding element, the first guiding element includes a first guiding rod, one side of the first sliding block and the second sliding block is provided with a first guiding hole, the first sliding block and the second sliding block slide on the first guiding rod through the first guiding hole.
The utility model has the advantages that: the utility model discloses a what above-mentioned design obtained is applied to play measurement adjusting device of EMUs gearbox bearing, during the use, can remove the position of percentage table in a flexible way through first slider in the measuring subassembly, thereby be convenient for measure the bearing play of different positions, the height of percentage table can be adjusted to the first crane of adoption, satisfy the measurement of the bearing play of different diameters, improve the flexibility of bearing play measurement adjusting device, drive pressure sensor and stripper plate downstream through the micro-control electric cylinder in the adjusting subassembly and exert pressure to the bearing, adopt pressure sensor can prepare to know the pressure of applying to the bearing, avoid applying too big or undersize to the bearing, can accurately measure bearing play value through the percentage table cooperation, so that the degree of accuracy of bearing play adjustment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of a play measurement adjusting device applied to a gearbox bearing of a motor train unit according to an embodiment of the present invention;
fig. 2 is a schematic view of a partially enlarged structure of a clearance measurement adjusting device applied to a gearbox bearing of a motor train unit according to an embodiment of the present invention;
fig. 3 is a schematic view of a partially enlarged structure of the clearance measurement adjusting device applied to the gearbox bearing of the motor train unit according to the embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides a be applied to clearance measurement adjusting device holder schematic structure of EMUs gearbox bearing.
In the figure: 100-a support structure; 110-a support base; 111-grooves; 112-screw holes; 120-a clamp; 121-threaded rod; 122-a connecting seat; 123-rotating disk; 124-a clamping seat; 200-a measuring mechanism; 210-a fixing bar; 220-a moving block; 230-a measurement component; 231-a first slide; 2311-a first slider; 2312-a first threaded hole; 2313-first bolt; 232-a first lifter; 2321-first fixed column; 2322-first crane; 2323-first fastening bolt; 233-dial indicator; 234 — a first guide; 2341 — first guide hole; 2342 — first guide bar; 240-a pressing assembly; 241-screw rod; 242-a handle; 243-a second lifting member; 2431-second fixed column; 2432-second crane; 2433-a second fastening bolt; 244 — a second guide; 2441-second pilot hole; 2442-a second guide bar; 250-an adjustment assembly; 251-a second slide; 2511-a second slider; 2512-a second threaded hole; 2513-a second bolt; 252-micro-control electric cylinder; 253-a pressure sensor; 254-a squeeze plate; 300-bearing structure; 310-a shaft; 311-bearing body.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a clearance measurement adjusting device applied to a gearbox bearing of a motor train unit comprises a supporting structure 100, a measuring mechanism 200 and a bearing structure 300.
Referring to fig. 1, 3 and 4, the supporting structure 100 includes a supporting base 110 and a clamping member 120, wherein the clamping member 120 is mounted on the supporting base 110.
Referring to fig. 1-3, the measuring mechanism 200 includes a fixing rod 210, a moving block 220 and a measuring assembly 230, the fixing rod 210 is fixed on the supporting base 110, the moving block 220 is located on the supporting base 110, the measuring assembly 230 includes a first sliding member 231, a first lifting member 232 and a dial indicator 233, the dial indicator 233 can measure a bearing play value, the first sliding member 231 slides on the fixing rod 210, the first lifting member 232 is fixed at the bottom of the first sliding member 231, the first sliding member 231 is convenient to adjust the left and right positions of the dial indicator 233, the dial indicator 233 is fixed at the bottom of the first lifting member 232, the first lifting member 232 is convenient to adjust the height position of the dial indicator 233, a squeezing assembly 240 is fixed at the top of the moving block 220, the squeezing assembly 240 includes a second lifting member 243, an adjusting assembly 250 is slidably mounted on the fixing rod 210, the adjusting assembly 250 includes a second sliding member 251 and a micro-controlled electric cylinder 252, the micro-controlled electric cylinder 252 is fixed at the bottom of the second sliding member 251, the micro-controlled electric cylinder 252 drives a pressure sensor 253 and the pressing plate 253 and the output shaft 254 to contact the bearing 253 to prevent the bearing 253 from contacting the bearing 253, and the bearing 253 from contacting the pressing plate 253.
The first sliding piece 231 comprises a first sliding block 2311, a first threaded hole 2312 is formed in the top of the first sliding block 2311, a first bolt 2313 is connected to the internal threads of the first threaded hole 2312 in a threaded mode, the first bolt 2313 is loosened, the first sliding block 2311 is convenient to move, the left position and the right position of the dial indicator 233 are adjusted, the first lifting piece 232 comprises a first fixing column 2321 and a first lifting frame 2322, the first lifting frame 2322 is inserted into the first fixing column 2321 in a sliding mode, a first fastening bolt 2323 is connected to one side of the first fixing column 2321 in a threaded mode, the first fastening bolt 2323 is loosened, the position of the first lifting frame 2322 is convenient to adjust, and the height position of the dial indicator 233 is adjusted.
The screw 241 is connected to the inner thread of the moving block 220, the screw 241 rotates on the supporting seat 110, a handle 242 is fixed to one end of the screw 241, the screw 241 is convenient to rotate through the handle 242, the left and right positions of the moving block 220 and the extrusion assembly 240 are convenient to adjust through rotation of the screw 241, the second lifting member 243 comprises a second fixed column 2431 and a second lifting frame 2432, the second lifting frame 2432 is connected to the inside of the second fixed column 2431 in a sliding mode, a second fastening bolt 2433 is connected to one side of the second fixed column 2431 in a threaded mode, the second fastening bolt 2433 is loosened, the height of the second lifting frame 2432 is convenient to adjust, a second guide 244 is arranged on the moving block 220, the second guide 244 comprises a second guide rod 2442, a second guide hole 2441 is formed in one side of the moving block 220, the moving block 220 slides on the second guide rod 2442 through the second guide hole 2441, and the second guide rod 2442 can guide the moving block 220 and the extrusion assembly 240.
The second slider 251 comprises a second sliding block 2511, a second threaded hole 2512 is formed in the top of the second sliding block 2511, a second bolt 2513 is connected to the inner thread of the second threaded hole 2512, the second bolt 2513 is loosened, the second sliding block 2511 is convenient to move left and right, and therefore the position of the extrusion plate 254 is adjusted, the first slider 231 and the second slider 251 are both provided with a first guide piece 234, the first guide piece 234 comprises a first guide rod 2342, one side of each of the first sliding block 2311 and the second sliding block 2511 is provided with a first guide hole 2341, the first sliding block 2311 and the second sliding block 2511 both slide on the first guide rod 2342 through the first guide hole 2341, the first guide rod 2342 can play a guiding role in guiding the first sliding block 2311 and the second sliding block 2511, and rotation and offset of the first sliding block 2311 and the second sliding block 2511 during use are avoided.
Referring to fig. 1, the bearing structure 300 includes a shaft 310 and a bearing body 311, the bearing body 311 is disposed on the shaft 310 in an interference manner, and two ends of the shaft 310 are disposed in the grooves 111.
Specifically, this be applied to play measurement adjusting device of EMUs gearbox bearing's theory of operation: when the device is used, two ends of the bearing structure 300 are placed in the grooves 111, the threaded rod 121 is rotated to drive the clamping base 124 to move downwards to clamp and fix the shaft rod 310, the handle 242 is rotated to drive the threaded rod 241 to rotate in the moving block 220, the second lifting frame 2432 is moved to one side of the bearing body 311, the second lifting frame 2432 is lifted to the horizontal position of one side of the outer ring of the bearing body 311, the first sliding piece 231 is moved, the height of the dial indicator 233 is adjusted at the same time, the ejector pin of the dial indicator 233 is in contact with the position of the other side of the outer ring of the bearing body 311, the handle 242 is rotated to enable the second lifting frame 2432 to horizontally apply pressure to one side of the outer ring of the bearing body 311, the axial clearance value of the bearing body 311 is measured, the micro-control electric cylinder 252 is started to drive the pressure sensor 253 and the extrusion plate to move downwards to apply pressure to the bearing when the longitudinal clearance value of the side is measured, then the dial indicator 233 is matched with a measured value of 0, the extrusion plate 254 is separated from the top of the bearing, then the bottom of the bearing body 2432 is tightly pressed to check the clearance value of the dial indicator 233, the bearing to accurately adjust the clearance value of the bearing 233, so as to avoid the clearance value of the bearing 233, and to accurately apply pressure to obtain the accuracy of the clearance of the bearing.
It should be noted that the specific model specifications of the dial indicator 233, the micro-control electric cylinder 252 and the pressure sensor 253 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.
The power supply of the dial gauge 233, the micro-control cylinder 252 and the pressure sensor 253, and the principle thereof, will be clear to a person skilled in the art and will not be described in detail herein.
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 clearance measurement adjusting device applied to a gearbox bearing of a motor train unit is characterized by comprising
A support structure (100), the support structure (100) comprising a support base (110) and a clamp (120), the clamp (120) being mounted on the support base (110);
the measuring mechanism (200) comprises a fixed rod (210), a moving block (220) and a measuring assembly (230), the fixed rod (210) is fixed on the supporting seat (110), the moving block (220) is located on the supporting seat (110), the measuring assembly (230) comprises a first sliding part (231), a first lifting part (232) and a dial indicator (233), the first sliding part (231) slides on the fixed rod (210), the first lifting part (232) is fixed at the bottom of the first sliding part (231), the dial indicator (233) is fixed at the bottom of the first lifting part (232), a squeezing assembly (240) is fixed at the top of the moving block (220), the squeezing assembly (240) comprises a second lifting part (243), an adjusting assembly (250) is slidably mounted on the fixed rod (210), the adjusting assembly (250) comprises a second sliding part (251) and a micro-control electric cylinder (252), the micro-control electric cylinder (252) is fixed at the bottom of the second sliding part (251), an output shaft (253) of the micro-control electric cylinder (252) is provided with a pressure sensor (253), and an output shaft (253) of the pressure sensor (253) is mounted on the micro-control electric cylinder (252);
a bearing structure (300), the bearing structure (300) comprising a shaft (310) and a bearing body (311), the bearing body (311) being interference on the shaft (310).
2. The device for measuring and adjusting the play applied to the gearbox bearing of the motor train unit as claimed in claim 1, wherein the supporting seat (110) is provided with a groove (111) inside, and the top of the supporting seat (110) is provided with a screw hole (112).
3. The play measurement and adjustment device applied to the gearbox bearing of the motor train unit is characterized in that the clamping piece (120) comprises a threaded rod (121) and a clamping seat (124), the threaded rod (121) rotates in the threaded hole (112), a connecting seat (122) is fixed to the top of the clamping seat (124), a rotating disc (123) is fixed to the bottom end of the threaded rod (121), and the rotating disc (123) rotates inside the connecting seat (122).
4. The play measurement adjustment device applied to the gearbox bearing of the motor train unit according to claim 1, wherein the first sliding piece (231) comprises a first sliding block (2311), a first threaded hole (2312) is formed in the top of the first sliding block (2311), and a first bolt (2313) is connected to the inner thread of the first threaded hole (2312).
5. The backlash measurement adjusting device applied to the gearbox bearing of the motor train unit according to claim 1, wherein the first lifting member (232) comprises a first fixed column (2321) and a first lifting frame (2322), the first lifting frame (2322) is slidably inserted into the first fixed column (2321), and a first fastening bolt (2323) is in threaded connection with one side of the first fixed column (2321).
6. The clearance measurement and adjustment device applied to the gearbox bearing of the motor train unit according to claim 1, characterized in that a screw (241) is connected to the inner thread of the moving block (220), the screw (241) rotates on the support base (110), and a handle (242) is fixed to one end of the screw (241).
7. The play measurement and adjustment device applied to the gearbox bearing of the motor train unit is characterized in that the second lifting piece (243) comprises a second fixed column (2431) and a second lifting frame (2432), the second lifting frame (2432) is slidably inserted into the second fixed column (2431), and a second fastening bolt (2433) is in threaded connection with one side of the second fixed column (2431).
8. The device for measuring and adjusting the backlash applied to the gearbox bearing of the motor train unit according to claim 1, wherein a second guide (244) is disposed on the moving block (220), the second guide (244) comprises a second guide rod (2442), a second guide hole (2441) is formed in one side of the moving block (220), and the moving block (220) slides on the second guide rod (2442) through the second guide hole (2441).
9. The backlash measurement adjusting device applied to the gearbox bearing of the motor train unit according to claim 1, wherein the second sliding member (251) comprises a second sliding block (2511), a second threaded hole (2512) is formed in the top of the second sliding block (2511), and a second bolt (2513) is screwed into the second threaded hole (2512).
10. The play measurement and adjustment device applied to the gearbox bearing of the motor train unit according to claim 4, wherein the first slide (231) and the second slide (251) are provided with first guide members (234), the first guide members (234) comprise first guide rods (2342), one side of each of the first sliding block (2311) and the second sliding block (2511) is provided with first guide holes (2341), and the first sliding block (2311) and the second sliding block (2511) slide on the first guide rods (2342) through the first guide holes (2341).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222058194.3U CN217980142U (en) | 2022-08-05 | 2022-08-05 | Clearance measurement adjusting device applied to motor train unit gearbox bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222058194.3U CN217980142U (en) | 2022-08-05 | 2022-08-05 | Clearance measurement adjusting device applied to motor train unit gearbox bearing |
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| CN217980142U true CN217980142U (en) | 2022-12-06 |
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| CN202222058194.3U Active CN217980142U (en) | 2022-08-05 | 2022-08-05 | Clearance measurement adjusting device applied to motor train unit gearbox bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117824466A (en) * | 2024-03-01 | 2024-04-05 | 北京宗合铁路轴承有限公司 | Railway bearing clearance detection device and detection method |
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2022
- 2022-08-05 CN CN202222058194.3U patent/CN217980142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117824466A (en) * | 2024-03-01 | 2024-04-05 | 北京宗合铁路轴承有限公司 | Railway bearing clearance detection device and detection method |
| CN117824466B (en) * | 2024-03-01 | 2024-04-26 | 北京宗合铁路轴承有限公司 | Railway bearing clearance detection device and detection method |
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