CN209815577U - Automatic lifting device for oil supporting disc - Google Patents
Automatic lifting device for oil supporting disc Download PDFInfo
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- CN209815577U CN209815577U CN201920447137.XU CN201920447137U CN209815577U CN 209815577 U CN209815577 U CN 209815577U CN 201920447137 U CN201920447137 U CN 201920447137U CN 209815577 U CN209815577 U CN 209815577U
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- nut
- lifting device
- automatic lifting
- oil
- supporting disc
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Abstract
An automatic lifting device of an oil supporting disc comprises a plurality of lifting mechanisms, and the lifting mechanisms are structurally characterized in that: the nut passes through the bearing and is connected with the frame, and the nut is connected with drive arrangement, nut and lead screw threaded connection, the frame is used for supporting the support food tray, lead screw and installation crossbeam fixed connection utilize ball's principle, as the dismouting to holding in the palm the food tray, reduction maintainer's that can be very big working strength need not the manual lift of maintainer and holds in the palm the food tray, reduces each item risk that personnel received in the work.
Description
Technical Field
The utility model relates to a hold in palm food tray automatic lifting device, especially relate to a hold in palm food tray automatic lifting device.
Background
At present, an oil supporting disc in a hydroelectric generating set is used as an important component of a bearing oil tank of the set, and the oil supporting disc is required to be disassembled for maintenance in maintenance or must be disassembled for checking a cooler in the oil tank. The traditional maintenance process is to use a common screw rod, a chain block or a mechanical jack to realize the lifting of the oil supporting disc. However, these methods have their limitations. Ordinary lead screw can regard as the guide bar, also can bear support oil dish weight simultaneously, goes up and down through swivel nut and holds in the palm the oil dish, but holds in the palm oil dish weight too greatly and can lead to artifical swivel nut difficulty, and the work degree of difficulty increases, and ordinary screw lead screw all is ordinary screw thread simultaneously, and the pitch is less, goes up and down to hold in the palm the oil dish and consumes a large amount of time. Mechanical jack often goes up and down the height and is limited, can not once only go up and down to required height with holding in the palm the oil pan, often need accomplish the lift action with the help of a large amount of sleepers, also can consume a large amount of time at the in-process of switching jack, has the potential safety hazard that holds in the palm the oil pan slope simultaneously. The chain block lifting oil supporting disc is limited by a working site, a hoisting point capable of hanging a block is needed, a hook is welded at the bottom of the oil supporting disc, the early-stage preparation workload is large, and meanwhile, the speed of manually pulling the chain block is low and the noise is large.
Considering traditional support food tray assembly and disassembly tools's limitations such as mechanical jack, chain block, ordinary lead screw limitation, hold in the palm food tray automatic lifting instrument through design processing, the design uses the accurate ball screw of big helical pitch to replace ordinary lead screw, uses motor drive nut rotatory to replace manpower swivel nut simultaneously, and the cooperation uses synchronous gear motor and frequency conversion control system to guarantee to hold in the palm food tray stability and the synchronism of food tray lift in-process.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an automatic lifting device for an oil supporting disc, which solves the problem of the conventional lead screw, chain block or mechanical jack appearing in the process of disassembling the oil supporting disc in a generator set to realize the lifting of the oil supporting disc, and the methods have the limitation.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an automatic lifting device of an oil supporting disc comprises a plurality of lifting mechanisms, and the lifting mechanisms are structurally characterized in that: the nut is connected with the rack through a bearing, the nut is connected with the driving device, the nut is in threaded connection with the lead screw, the rack is used for supporting the oil supporting disc, and the lead screw penetrates through the oil supporting disc and is fixedly connected with the mounting cross beam.
In the preferred scheme, be equipped with the ball in the nut, the nut constitutes ball screw mechanism with the lead screw, and the outer wall at the both ends of nut is equipped with two bearings, and the one end of nut is connected with from the driving wheel.
In the preferred scheme, in the driving device, a motor is fixedly connected with a driving wheel, and the driving wheel is connected with a driven wheel through a transmission mechanism.
In the preferred scheme, the lead screw top is equipped with threaded connection head, and threaded connection head one end is equipped with the internal thread for connect the lead screw, and the threaded connection head other end is equipped with the external screw thread, is used for connecting the installation crossbeam.
In the preferred scheme, the device is also provided with a lifting mechanism synchronous circuit device, the lifting mechanism synchronous circuit device comprises an inclination angle sensor, the inclination angle sensor is arranged on the horizontal surface of the oil supporting disc, the inclination angle sensor is electrically connected with a control center, and the control center is electrically connected with frequency converters in motors of all driving devices.
In a preferred scheme, the synchronous circuit device controls a single motor for a single frequency converter, the frequency converters are electrically connected with a plc, the tilt sensor is connected with the plc, data obtained by the tilt sensor is transmitted to the synchronous circuit device, and the synchronous circuit device controls the motor.
In the preferred scheme, elevating system still is equipped with brake valve lever, brake valve lever is last to be equipped with control button, display screen and to rotate the hand wheel, it rotates to rotate hand wheel control gear motor.
The utility model provides a hold in palm food tray automatic lifting device, reduction maintainer's that can be very big working strength, need not the manual lift of maintainer and hold in the palm the food tray, each item risk that receives in the reduction personnel work, erect unstability including the jack, chain block fracture, improve work efficiency, need many people to cooperate in the traditional work, the synchronous condition of lift in-process needs constantly to be monitored, the instrument of use is many, the operation is got up complicacy, can not once target in place if the in-process that uses the jack, the centre need rearrange the adjustment repeatedly, and the automatic lifting speed of riser is fast, the lifting time obviously shortens, can also replace the manpower completely, improve work efficiency greatly.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a view showing an installation structure of the lifting device of the present invention;
FIG. 2 is a front view of the lifting device of the present invention;
FIG. 3 is a structural view of the lifting device of the present invention;
FIG. 4 is an internal structure view of the lifting device of the present invention;
FIG. 5 is a structural view of a transmission mechanism of the lifting device of the present invention;
FIG. 6 is a structural view of the lift control handle of the present invention;
FIG. 7 is a structural view of the threaded connector of the present invention;
fig. 8 is a sectional view of the structure of the threaded connector of the present invention;
fig. 9 is a schematic view of the installation of the tilt sensor of the present invention;
fig. 10 is a synchronous circuit diagram of the present invention;
in the figure: a lifting mechanism 1; a frame 101; a drive wheel 102; a motor 103; a transmission mechanism 104; a motor bracket 105; a ball screw 2; a lead screw 201; a nut 202; a driven wheel 203; a control handle 3; a display screen 301; turning the handwheel 302; a control button 303; a control center 4; a protective shell 5; a threaded connector 6; mounting the cross beam 7; an oil pan 8; a tilt sensor 9; plc 10; and a frequency converter 11.
Detailed Description
Example 1
As shown in fig. 1 ~ 10, an automatic lifting device for oil supporting disc comprises a plurality of lifting mechanisms 1, wherein the lifting mechanisms 1 are structured in such a way that a nut 202 is connected with a frame 101 through a bearing, the nut 202 is connected with a driving device, the nut 202 is in threaded connection with a screw 201, the frame 101 is used for supporting the oil supporting disc 8, the screw 201 passes through the oil supporting disc 8 and is fixedly connected with a mounting cross beam 7, preferably, 4 lifting mechanisms 1 are adopted in the scheme, therefore, the structure is used for dismounting the oil supporting disc 8 by utilizing the principle of a ball screw 2, the screw 201 passes through a hole on a flange of the oil supporting disc 8, the screw 201 and the mounting cross beam 7 are on, the lower frame 101 drags the oil supporting disc 8, and the lifting mechanisms 1 are used for lifting, the structure is simple, and the.
Preferably, the ball screw 2 is configured by providing a ball in the nut 202, forming a ball screw 2 mechanism with the nut 202 and the screw 201, providing two bearings on the outer walls of both ends of the nut 202, and connecting one end of the nut 202 to the driven wheel 203, and the driven wheel 203 can drive the screw 201 to move up and down.
In a preferable scheme, in the driving device, the motor 103 is fixedly connected with the driving wheel 102, the driving wheel 102 is connected with the driven wheel 203 through the transmission mechanism 104, the motor 103 drives the driven wheel 203 through the driving wheel 102, the driving wheel 102 is connected with the driven wheel 203 through the transmission mechanism 104, and the transmission mechanism 104 is belt transmission or chain transmission.
In the preferred scheme, lead screw 201 top is equipped with threaded connection head 6, and 6 one ends of threaded connection head are equipped with the internal thread for connect lead screw 201, and 6 other ends of threaded connection head are equipped with the external screw thread, are used for connecting installation crossbeam 7, and from this structure, when the screw thread on lead screw 201 top matches with the screw hole on the installation crossbeam, just adopt threaded connection head 6, the external screw thread of selecting a threaded connection head 6 matches with the screw hole on the installation crossbeam 7, and the internal thread of 6 one ends of threaded connection head is installed at the tip of lead screw 201, can adapt to the screw hole on each installation crossbeam 7.
In a preferred scheme, a lifting mechanism synchronous circuit device is further provided, the lifting mechanism synchronous circuit device comprises an inclination angle sensor 9, the inclination angle sensor 9 is installed on the horizontal surface of an oil supporting disc 8, the inclination angle sensor 9 is electrically connected with a control center 4, the control center 4 is electrically connected with a frequency converter 11 in a motor 103 of each driving device, the inclination angle sensor 9 is installed on the horizontal surface of the oil supporting disc 8, the inclination angle sensor 9 is connected with the control center 4, the inclination direction of the inclination angle sensor 9 is matched with the corresponding motor direction, it is noted that the inclination angle sensor 9 is adjusted before use, the inclination angle sensor 9 is installed on the oil supporting disc 8, the installation direction of the inclination angle sensor 9 is most important, the inclination angle sensor 9 can sense the X, Y axial direction, so the periphery of the inclination angle sensor 9 corresponds to the motor 103, in the case that the oil supporting disc 8 inclines, the tilt sensor 9 senses that the side is tilted, the motor 103 should be started to adjust the side corresponding to the tilt, if the tilt sensor 9 corresponding to the mark is not detected, the tilt sensor 9 senses that the direction of the tilt sensor 9 cannot be in butt joint with the corresponding motor 103 under the condition that the oil supporting disc 8 is tilted, the motor 03 cannot be controlled correctly, and an accident may be caused.
In a preferred embodiment, the synchronous circuit device controls a single motor 103 for a single frequency converter 11, the plurality of frequency converters 11 are connected to a plc power supply 10, the tilt sensor 9 is connected to a plc10, the tilt sensor 9 is connected to the synchronous circuit device, and the synchronous circuit device controls the motor 103, so that the single frequency converter 11 controls the single motor 103, the tilt sensor 9 feeds data back to the plc10, the plc10 processes the data, and the circuit control terminals of the frequency converters 11 are respectively connected to the plc10 to control the transmission of the motor 10, as shown in fig. 10.
In a preferable scheme, the lifting mechanism 1 is further provided with a control handle 3, the control handle 3 is provided with a control button 303, a display screen 301 and a rotating hand wheel 302, the rotating hand wheel 302 controls the motor 103 to rotate, the running state of the motor 103 can be observed through the display screen 301, whether the static level 9 is on the same straight line or not is observed, if the running state is not on the same straight line, the control button 603 is the same, the end part of the screw shaft 903 is controlled to be on the same plane, and meanwhile, the rotating hand wheel 602 controls the speed reduction motor 803 to rotate, so that the screw shaft 903 is controlled to rise or fall, as shown in fig. 6.
Example 2
As further described with reference to embodiment 1, as shown in fig. 1 ~ 10, a screw 201 is inserted through a hole on the outer circle of the bracketing oil pan 8, the end of the screw 201 is mounted on the threaded connector 6, the threaded connector 6 is mounted in a threaded hole of the mounting beam 7, and a plurality of screws 201 are simultaneously mounted, or the threaded connector 6 is first mounted in a threaded hole of the mounting beam 7, and then the end of the screw 201 is mounted on the threaded connector 6.
After the installation is finished, the lifting mechanism 1 is moved to the bottom plane of the oil supporting disc 8 through the control handle 3, and the tilt angle sensor 9 is installed on the horizontal surface of the oil supporting disc 8 to adjust the two opposite lifting mechanisms 1 to be on the same plane.
After the adjustment is finished, the tilt angle sensor 9 corresponds to the marks on the four lifting mechanisms 1 according to the same corresponding marks, four side surfaces of the tilt angle sensor 9 correspond to the four lifting mechanisms 1, and the tilt angle sensor 9 is generally and directly welded on the plane of the lower surface of the oil supporting disc.
After the tilt sensor 9 is installed, the control handle 3 is adjusted, the display screen 301 on the control handle 3 displays data of the tilt sensor 9, whether the disassembled oil supporting disc 8 is kept horizontal or not can be visually seen, the ball screw 2 is lifted by shaking and rotating the hand wheel 302, if the disassembled part is inclined, the tilt sensor 9 detects the inclined position, the automatic control speed reducing motor 103 at the inclined position corresponding to the tilt sensor 9 is lifted, and the disassembled part is always kept at the horizontal position.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (7)
1. The utility model provides an oil supporting disc automatic lifting device which characterized in that: including a plurality of elevating system (1), elevating system (1)'s structure is: the nut (202) is connected with the rack (101) through a bearing, the nut (202) is connected with the driving device, and the nut (202) is in threaded connection with the lead screw (201);
the rack (101) is used for supporting the oil supporting disc (8), and the lead screw (201) penetrates through the oil supporting disc (8) and is fixedly connected with the mounting cross beam (7).
2. The oil pan automatic lifting device according to claim 1, wherein: the ball screw mechanism is characterized in that balls are arranged in the nut (202), the nut (202) and the screw (201) form a ball screw (2) mechanism, two bearings are arranged on the outer walls of two ends of the nut (202), and one end of the nut (202) is connected with the driven wheel (203).
3. The oil pan automatic lifting device according to claim 2, wherein: in the driving device, a motor (103) is fixedly connected with a driving wheel (102), and the driving wheel (102) is connected with a driven wheel (203) through a transmission mechanism (104).
4. The oil pan automatic lifting device according to claim 1, wherein: the lead screw (201) top is equipped with threaded connection head (6), and threaded connection head (6) one end is equipped with the internal thread for connect lead screw (201), and the threaded connection head (6) other end is equipped with the external screw thread, is used for connecting installation crossbeam (7).
5. The oil pan automatic lifting device according to claim 1, wherein: the lifting mechanism synchronous circuit device is further arranged and comprises an inclination angle sensor (9), the inclination angle sensor (9) is installed on the horizontal surface of the oil supporting disc (8), the inclination angle sensor (9) is electrically connected with the control center (4), and the control center (4) is electrically connected with frequency converters (11) in motors (103) of all driving devices.
6. The oil pan automatic lifting device according to claim 5, wherein: the synchronous circuit device controls a single motor (103) for a single frequency converter (11), the frequency converters (11) are electrically connected with a plc (10), the tilt angle sensor (9) is connected with the plc (10), data obtained by the tilt angle sensor (9) are transmitted to the synchronous circuit device, and the synchronous circuit device controls the motor (103).
7. The oil pan automatic lifting device according to claim 1, wherein: elevating system (1) still is equipped with brake valve lever (3), be equipped with control button (303), display screen (301) and rotation hand wheel (302) on brake valve lever (3), rotation hand wheel (302) control gear motor (103) rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920447137.XU CN209815577U (en) | 2019-04-03 | 2019-04-03 | Automatic lifting device for oil supporting disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920447137.XU CN209815577U (en) | 2019-04-03 | 2019-04-03 | Automatic lifting device for oil supporting disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209815577U true CN209815577U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920447137.XU Active CN209815577U (en) | 2019-04-03 | 2019-04-03 | Automatic lifting device for oil supporting disc |
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| CN (1) | CN209815577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040657A (en) * | 2019-04-03 | 2019-07-23 | 湖北清江水电开发有限责任公司 | Hold in the palm food tray apparatus for automatically lifting and its application method |
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2019
- 2019-04-03 CN CN201920447137.XU patent/CN209815577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040657A (en) * | 2019-04-03 | 2019-07-23 | 湖北清江水电开发有限责任公司 | Hold in the palm food tray apparatus for automatically lifting and its application method |
| CN110040657B (en) * | 2019-04-03 | 2024-05-28 | 湖北清江水电开发有限责任公司 | Automatic lifting device for oil tray and use method thereof |
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