CN209773874U - Servomotor piston dismounting device - Google Patents
Servomotor piston dismounting device Download PDFInfo
- Publication number
- CN209773874U CN209773874U CN201920285169.4U CN201920285169U CN209773874U CN 209773874 U CN209773874 U CN 209773874U CN 201920285169 U CN201920285169 U CN 201920285169U CN 209773874 U CN209773874 U CN 209773874U
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- Prior art keywords
- guide
- servomotor
- shell
- end cover
- motor
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- 238000000034 method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to a disassembly tool and discloses a disassembly device of a servomotor piston, which comprises a trolley, wherein a support plate is arranged on the trolley; install first hydro-cylinder in the dolly, first hydro-cylinder passes through lifter and backup pad fixed connection, install the detacher in the backup pad, the detacher includes the casing, install guider in the casing and install the telescoping device in the casing, the telescoping device is connected with guider and promotes its removal in the casing, guider includes the fixed disk, the guide bar, driven gear, driving gear and motor, all guide bars run through the fixed disk and with driven gear fixed connection, the output shaft and the driving gear connection of motor drive driven gear and rotate. The device can extend into a threaded hole of the servomotor end cover through the guide rod, the guide rod is connected with the servomotor shell through the telescopic device and the guide device, the end cover and the piston are disassembled, and the end cover slides on the guide rod at the moment, so that people can conveniently and slowly disassemble the end cover together with the piston.
Description
Technical Field
The utility model relates to a dismantle the frock, especially relate to a dismounting device of servomotor piston.
Background
When the internal of the original servomotor has oil leakage defect, the servomotor needs to be disassembled from the foundation pit for defect elimination, lifted to an assembly room, and a factory bridge crane is used for lifting out the servomotor and then carrying out maintenance.
The prior workshop bridge crane for disassembling and assembling the piston has the following defects:
The servomotor needs to be lifted to an assembly room for maintenance after being detached from the foundation pit, so that huge manpower and construction period need to be consumed. According to the past defect eliminating experience, the whole defect eliminating process needs about 15 overhauling and hoisting personnel, and the construction period needs about 8 working days. When internal defects of the servomotor occur, the operation of the whole unit needs to be converted into a maintenance state, so when the internal oil leakage defect of the servomotor occurs and the safe operation of the unit is not endangered, the defect elimination work is generally arranged to be carried out when the unit is maintained at the C level, the C level maintenance cycle of a Xinjiang power plant is 1 year, the construction period is about 6 days, the servomotor piston is disassembled in a traditional mode to eliminate the defects, and the defect elimination work time is short and the task is heavy; in addition, the defect occurrence time is far away from the planned repair time C of the unit, so that the equipment operates with defects for a long time, and the safety and the reliability of the operation of the equipment are reduced.
Because the servomotor in our factory is heavy, the indoor space of the waterwheel is narrow, and certain potential safety hazard also exists in the hoisting process.
When the servomotor piston is disassembled and assembled by using the bridge crane, the concentricity of the piston and the piston cylinder is difficult to ensure, and the piston is easy to roughen the cylinder body.
After the defect eliminating work is finished, the levelness and the height difference between the servomotor and the speed regulating ring are adjusted when the servomotor is reinstalled, so that the condition that the height difference is within the range specified by the regulations is ensured, and the work content in the defect eliminating process is increased.
The poor stability of current dismantlement frock dismantlement, difficult servomotor piston of demolising, application number for example: 201220119373.7, patent name: a device for disassembling and assembling a servomotor piston.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to dismantle the shortcoming of frock poor stability, dismantlement inconvenience among the prior art, provide a dismounting device of servomotor piston.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a dismounting device for a servomotor piston comprises a trolley, wherein a supporting plate is arranged on the trolley; install first hydro-cylinder in the dolly, install the lifter in the first hydro-cylinder, the upper end and the backup pad fixed connection of lifter, install the detacher in the backup pad, the detacher includes the casing, install guider in the casing and install the telescoping device in the casing, the telescoping device is connected with guider and promotes its removal in the casing, guider includes the fixed disk, the guide bar, driven gear, driving gear and motor, the guide bar quantity is three at least, all guide bars run through the fixed disk and with driven gear fixed connection, all driven gear all with the driving gear meshing, the output shaft and the driving gear of motor drive its rotation. The dismounting device can extend into the threaded hole of the servomotor end cover through the guide rod, the guide rod is connected with the servomotor shell through the telescopic device and the guide device, the end cover and the piston are dismounted, and the end cover slides on the guide rod at the moment, so that people can conveniently and slowly dismount the end cover together with the piston.
Preferably, the end of the guide rod is provided with a threaded section, and the right end of the threaded section of the guide rod is provided with a limiting hole for installing the pin shaft. The limiting hole is used for installing the pin shaft, so that the end cover is limited on the guide rod, and the end cover is prevented from falling out of the guide rod.
Preferably, the fixed disc is provided with through holes with the same number as the guide rods, bearings are installed in the through holes, and the right end parts of the guide rods are installed on the fixed disc through the bearings. The fixed disc is convenient to integrate all guide rods together, so that the motor can drive all the guide rods to rotate together conveniently.
Preferably, the housing comprises a left housing and a right housing, the left housing and the right housing are fixedly connected through a bolt, the guide device is installed in a channel in the left housing, and the telescopic device is installed in a channel in the inner end of the right housing. The split type shell facilitates people to install the guide device and the telescopic device.
Preferably, the telescopic device comprises a second oil cylinder and a telescopic rod, one end of the telescopic rod is installed in the second oil cylinder, and the other end of the telescopic rod is fixed on a shell of the motor.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
The dismounting device can extend into the threaded hole of the servomotor end cover through the guide rod, the guide rod is connected with the servomotor shell through the telescopic device and the guide device, the end cover and the piston are dismounted, and the end cover slides on the guide rod at the moment, so that people can conveniently and slowly dismount the end cover together with the piston.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a in fig. 1.
fig. 3 is a schematic structural diagram of the motor and the driving and driven gears in fig. 1.
Fig. 4 is a schematic structural view of the motor and the driving gear in fig. 1.
The names of the parts indicated by the numerical references in the above figures are as follows: 10-trolley, 11-supporting plate, 12-first oil cylinder, 13-lifting rod, 14-detacher, 141-shell, 142-guiding device, 143-telescoping device, 1411-left shell, 1412-right shell, 1421-fixed disk, 1422-guiding rod, 1423-driven gear, 1424-driving gear, 1425-motor, 1431-second oil cylinder, 1432-telescopic rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-4 and examples.
Example 1
A dismounting device for a servomotor piston comprises a trolley 10, wherein a supporting plate 11 is arranged on the trolley 10; the trolley 10 is internally provided with a first oil cylinder 12, a lifting rod 13 is installed in the first oil cylinder 12, the upper end of the lifting rod 13 is fixedly connected with a support plate 11 through bolts, a detacher 14 is installed on the support plate 11, the detacher 14 comprises a shell 141, a guide device 142 installed in the shell 141 and a telescopic device 143 installed in the shell 141, the telescopic device 143 is connected with the guide device 142 and pushes the guide device to move in the shell 141, the guide device 142 comprises a fixed disc 1421, guide bars 1422, driven gears 1423, driving gears 1424 and a motor 1425, the number of the guide bars 1422 is at least three, the number of the guide bars 1422 is six, all the guide bars 1422 penetrate through the fixed disc 1421 and are fixedly connected with the driven gears 1423, all the driven gears 1423 are meshed with the driving gears 1424, and the output shaft of the motor 1425 is driven by the driving gears 1424 to rotate. When the servomotor works, the telescopic device 143 pushes the guide device 142 to move towards the servomotor integrally, the guide bar 1422 in the guide device 142 extends into the threaded hole of the servomotor end cover, the motor 1425 is started to fix the guide bar 1422 on the shell of the servomotor in a threaded manner, at this time, the end cover of the servomotor slides on the guide bar 1422, the end of the guide bar 1422 is provided with a threaded section, and the right end of the threaded section of the guide bar 1422 is provided with a limit hole 14221 for mounting a pin shaft. The end cover of the servomotor is limited on the guide device 142 through the pin shaft, the motor is started to rotate reversely, so that the guide bar 1422 is separated from the shell of the servomotor, and the telescopic device 143 drives the guide device 142 to move outwards, so that the end cover of the servomotor and the piston are taken out.
The fixing plate 1421 is provided with through holes with the same number as the guide bars 1422, bearings are installed in the through holes, and the right end of the guide bar 1422 is installed on the fixing plate 1421 through the bearings, so that the guide bar 1422 can rotate under the driving of the driving gear and the driven gear.
The retracting device 143 includes a second cylinder 1431 and a retracting rod 1432, one end of the retracting rod 1432 is installed in the second cylinder 1431, and the other end is fixed on the housing of the motor 1425.
Example 2
Embodiment 2 has substantially the same features as embodiment 1, except that embodiment 2 includes a left housing 1411 and a right housing 1412, the left housing 1411 and the right housing 1412 are fixedly connected by bolts, the guiding device 142 is installed in a passage inside the left housing 1411, and the telescopic device 143 is installed in a passage inside the right housing 1412.
Example 3
The embodiment 3 has the same characteristics as the embodiment 1, and in the different embodiment 3, the trolley 10 is not provided with the first oil cylinder 12 and the lifting rod 13, and the supporting plate 11 is directly fixed on the trolley 10 through bolts.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (5)
1. A dismounting device of a servomotor piston comprises a trolley (10), wherein a supporting plate (11) is arranged on the trolley (10); the method is characterized in that: a first oil cylinder (12) is installed in the trolley (10), a lifting rod (13) is installed in the first oil cylinder (12), the upper end of the lifting rod (13) is fixedly connected with a supporting plate (11), a detacher (14) is installed on the supporting plate (11), the detacher (14) comprises a shell (141), a guide device (142) installed in the shell (141) and a telescopic device (143) installed in the shell (141), the telescopic device (143) is connected with the guide device (142) and pushes the guide device to move in the shell (141), the guide device (142) comprises a fixed disc (1421), guide bars (1422), driven gears (1423), driving gears (1424) and a motor (1425), the number of the guide bars (1422) is at least three, all the guide bars (1422) penetrate through the fixed disc (1421) and are fixedly connected with the driven gears (1423), all the driven gears (1423) are meshed with the driving gears (1424), the output shaft of the motor (1425) is connected with the driving gear (1424) and drives the motor to rotate.
2. The servomotor dismounting device as recited in claim 1, wherein: the tip of guide bar (1422) is equipped with the screw thread section, and the right-hand member portion of guide bar (1422) screw thread section is equipped with spacing hole (14221) that is used for the installation round pin axle.
3. The servomotor dismounting device as recited in claim 1, wherein: the fixed disc (1421) is provided with through holes with the same number as the guide rods (1422), bearings are installed in the through holes, and the right end part of the guide rods (1422) is installed on the fixed disc (1421) through the bearings.
4. The servomotor dismounting device as recited in claim 1, wherein: the shell (141) comprises a left shell (1411) and a right shell (1412), the left shell (1411) and the right shell (1412) are fixedly connected through bolts, the guide device (142) is installed in a channel in the left shell (1411), and the telescopic device (143) is installed in a channel in the inner end of the right shell (1412).
5. The servomotor dismounting device as recited in claim 1, wherein: the telescoping device (143) comprises a second oil cylinder (1431) and a telescopic rod (1432), one end of the telescopic rod (1432) is installed in the second oil cylinder (1431), and the other end of the telescopic rod is fixed on a shell of the motor (1425).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285169.4U CN209773874U (en) | 2019-03-06 | 2019-03-06 | Servomotor piston dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285169.4U CN209773874U (en) | 2019-03-06 | 2019-03-06 | Servomotor piston dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209773874U true CN209773874U (en) | 2019-12-13 |
Family
ID=68797029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920285169.4U Active CN209773874U (en) | 2019-03-06 | 2019-03-06 | Servomotor piston dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209773874U (en) |
-
2019
- 2019-03-06 CN CN201920285169.4U patent/CN209773874U/en active Active
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