CN217596407U - Top pressing device for dismounting output shaft of rotary reduction gearbox - Google Patents
Top pressing device for dismounting output shaft of rotary reduction gearbox Download PDFInfo
- Publication number
- CN217596407U CN217596407U CN202221699368.8U CN202221699368U CN217596407U CN 217596407 U CN217596407 U CN 217596407U CN 202221699368 U CN202221699368 U CN 202221699368U CN 217596407 U CN217596407 U CN 217596407U
- Authority
- CN
- China
- Prior art keywords
- top plate
- output shaft
- ejection
- reduction gearbox
- roof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model provides a dismantle roof pressure device of rotatory reducing gear box output shaft, belongs to rotatory reducing gear box maintenance of equipment technical field for dismantle rotatory reducing gear box output shaft. The technical scheme is as follows: the base is cuboid steel sheet frame structure, preceding roof is square steel plate respectively with the back roof, the lower extreme of preceding roof and back roof is the both ends of vertical welding at the base respectively, the upper end both sides of preceding roof and back roof have the dead lever to be connected respectively, there is ejecting hole on the face of preceding roof, the diameter of ejecting hole is greater than the diameter of rotatory reducing gear box output shaft, the ejecting retaining ring of fixedly connected with on the inboard face of preceding roof, the hole of ejecting retaining ring is located the ejecting hole periphery of preceding roof, there is the mounting hole on hydraulic jack's the rear end bottom plate to be connected through the bolt with the back roof. The utility model has the advantages of being simple in structure and convenient in operation, can be ejecting with rotatory reducing gear box output shaft through hydraulic jack, can improve the security of disassembling rotatory reducing gear box, improved maintenance work efficiency, practiced thrift cost of maintenance.
Description
Technical Field
The utility model relates to a dismantle roof pressure device of rotatory reducing gear box output shaft belongs to rotatory reducing gear box maintenance of equipment technical field.
Background
The rotary reduction gearbox is a rotating power transmission mechanism of the gantry crane, and needs to be disassembled for maintenance after mechanical failure occurs to the rotary reduction gearbox. In the disassembling process, the output shaft of the rotary reduction gearbox needs to be taken out, and because the rotary reduction gearbox is large in size, the conventional disassembling method is to cut off front and rear bearings of the output shaft of the rotary reduction gearbox by using gas cutting, pull out the output shaft of the reduction gearbox, clean the bearing position and replace damaged parts. In the process, the bearing position of the box body is easy to damage in the cutting process due to the narrow space of the bearing position, the maintenance work is difficult, the maintenance work time is prolonged, the operation efficiency is low, and the labor intensity is high, so that the development of a device capable of quickly disassembling the output shaft of the rotary reduction gearbox is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a dismantle roof pressure device of rotatory reducing gear box output shaft is provided, and rotatory reducing gear box output shaft can be disassembled fast to this kind of roof pressure device, can not cause the damage to box bearing and bearing position, can improve the security of disassembling rotatory reducing gear box, improves maintenance work efficiency, practices thrift cost of maintenance.
The technical scheme for solving the technical problems is as follows:
the utility model provides a dismantle roof pressure device of rotatory reducing gear box output shaft, the on-line screen storage device comprises a base, preceding roof, the back roof, the dead lever, ejecting retaining ring and hydraulic jack, the base is cuboid steel sheet frame structure, the base level is placed subaerial, preceding roof and back roof are square steel sheet respectively, the lower extreme of preceding roof and back roof is the both ends at the base of welding perpendicularly respectively, the upper end both sides of preceding roof and back roof have the dead lever to be connected respectively, there is ejecting hole on the face of preceding roof, the diameter of ejecting hole is greater than the diameter of rotatory reducing gear box output shaft, fixedly connected with ejecting retaining ring on the inboard face of preceding roof, ejecting retaining ring is the ring, the hole of ejecting retaining ring is greater than the diameter of rotatory reducing gear box output shaft, the hole of ejecting retaining ring is located the ejecting hole periphery of preceding roof, there are a plurality of fixed orificess on the face of back roof, there is the mounting hole on the rear end bottom plate of hydraulic jack and the fixed orifices of back roof to be connected through the bolt.
According to the jacking device for disassembling the output shaft of the rotary reduction gearbox, the two sides of the upper ends of the front top plate and the rear top plate are respectively provided with the fixing rod connecting holes, and the two ends of the two fixing rods respectively penetrate through the fixing rod connecting holes of the front top plate and the rear top plate and are fixedly connected through the fixing rod nuts.
According to the top pressing device for disassembling the output shaft of the rotary reduction gearbox, the ejecting check ring is a stepped circular check ring, the first stepped aperture of the ejecting check ring is in clearance fit with the outer diameter of the output shaft of the rotary reduction gearbox, the second stepped outer diameter of the ejecting check ring is in clearance fit with the outer diameter of the rotary reduction gearbox, a plurality of fixing holes are uniformly distributed on the circumference of the annular plane of the ejecting check ring, a plurality of mounting holes are formed in the outer circumference of the ejecting hole of the front top plate and correspond to the circumferential fixing holes of the ejecting check ring, and the ejecting check ring and the front top plate are fixedly connected through the fixing holes and the mounting holes by the check ring bolts and the check ring nuts.
Above-mentioned dismantle roof pressure device of rotatory reducing gear box output shaft, the upper surface of base has two fixing bases, and two fixing bases are arranged along the length direction of base, and the upper surface at the fixing base is placed to the rotatory reducing gear box.
The utility model has the advantages that:
the rotary reduction box is arranged between the front top plate and the rear top plate, the front top plate is provided with an ejection hole opposite to the output shaft of the rotary reduction box, the inner side of the rear top plate is provided with a hydraulic jack for ejecting the rear end of the output shaft of the rotary reduction box, and the output shaft of the rotary reduction box is ejected out of the ejection hole of the front top plate.
The utility model has the advantages of being simple in structure and convenient in operation, can be ejecting with rotatory reducing gear box output shaft through hydraulic jack, can not cause the damage to the box bearing and the bearing position of pairing rotation reducing gear box, can improve the security of disassembling rotatory reducing gear box, improved maintenance work efficiency, practiced thrift cost of maintenance.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic view of the usage state of the present invention.
The figures are labeled as follows: the hydraulic lifting device comprises a base 1, a front top plate 2, a rear top plate 3, a fixing rod 4, an ejection check ring 5, a hydraulic jack 6, a fixing rod nut 7, a fixing seat 8, a reinforcing rib plate 9, a check ring bolt 10, a check ring nut 11, a rotary reduction gearbox 12 and a rotary reduction gearbox output shaft 13.
Detailed Description
The utility model discloses constitute by base 1, preceding roof 2, back roof 3, dead lever 4, ejecting retaining ring 5, hydraulic jack 6, dead lever nut 7, fixing base 8, deep floor 9, retaining ring bolt 10, retaining ring nut 11.
The figure shows that the base 1 is a cuboid steel plate frame structure, and the base 1 is horizontally placed on the ground.
The drawing shows that the front top plate 2 and the rear top plate 3 are respectively square steel plates, the lower ends of the front top plate 2 and the rear top plate 3 are respectively and vertically welded at two ends of the base 1, fixing rod connecting holes are respectively formed in two sides of the upper ends of the front top plate 2 and the rear top plate 3, and two ends of the two fixing rods 4 respectively penetrate through the fixing rod connecting holes of the front top plate 2 and the rear top plate 3 and are fixedly connected through fixing rod nuts 7. The outer sides of the front top plate 2 and the rear top plate 3 are respectively provided with a reinforcing rib plate 9 which is welded with the base 1, and the reinforcing rib plates 9 enable the front top plate 2 and the rear top plate 3 to be connected with the base 1 more firmly and can not incline and deform due to top pressure.
The figure shows that the plate surface of the front top plate 2 is provided with an ejection hole, and the diameter of the ejection hole is larger than that of the output shaft 13 of the rotary reduction gearbox. The inner side plate surface of the front top plate 2 is fixedly connected with an ejection check ring 5, the ejection check ring 5 is a circular ring, the inner hole of the ejection check ring 5 is larger than the diameter of the output shaft 13 of the rotary reduction gearbox, and the inner hole of the ejection check ring 5 is positioned on the periphery of the ejection hole of the front top plate 2. A plurality of fixing holes are uniformly distributed on the circumference of an annular plane of the ejection check ring 5, a plurality of mounting holes are formed in the outer circumference of the ejection hole of the front top plate 2 and correspond to the circumferential fixing holes of the ejection check ring 5, and the ejection check ring 5 and the front top plate 2 are fixedly connected through the fixing holes and the mounting holes by check ring bolts 10 and check ring nuts 11.
The drawing shows that the ejection check ring 5 is a stepped circular check ring, the first stepped aperture of the ejection check ring 5 is in clearance fit with the outer diameter of the output shaft 13 of the rotary reduction gearbox, and the second stepped peripheral diameter of the ejection check ring 5 is in clearance fit with the outer diameter of the rotary reduction gearbox 12 and is used for fixing the output end of the rotary reduction gearbox 12.
The figure shows that the plate surface of the back top plate 3 is provided with a plurality of fixing holes, and the back end bottom plate of the hydraulic jack 6 is provided with a mounting hole which is connected with the fixing holes of the back top plate 3 through bolts.
The figure shows that the upper surface of the base 1 is provided with two fixed seats 8, the two fixed seats 8 are arranged along the length direction of the base, the upper surface of each fixed seat 8 is arc-shaped, the radian of the upper surface of each fixed seat 8 is matched with the outer circumference of a rotary reduction gearbox 12, and the rotary reduction gearbox 12 is arranged on the upper surface of each fixed seat 8.
The utility model discloses a use as follows:
when the rotary reduction gearbox output shaft 13 is disassembled, the rotary reduction gearbox 12 is placed on the upper surface of the fixed seat 8 of the base 1 by using a crown block, the rotary reduction gearbox output shaft 13 is opposite to the center of an inner hole of the ejection check ring 5, and the rear end of the rotary reduction gearbox output shaft 13 is opposite to the front end of an ejector rod of the hydraulic jack 6;
the hydraulic jack 6 is started, an ejector rod of the hydraulic jack 6 pushes a rotary reduction gearbox output shaft 13 forwards to move, the rotary reduction gearbox output shaft 13 drives a rotary reduction gearbox 12 to move forwards together, an ejection check ring 5 is a stepped circular check ring, the first stepped aperture of the ejection check ring 5 is in clearance fit with the outer diameter of the rotary reduction gearbox output shaft 13, the second stepped outer diameter of the ejection check ring 5 is in clearance fit with the outer diameter of the rotary reduction gearbox 12, and the ejection check ring is used for fixing the output end of the rotary reduction gearbox 12 and cannot move forwards;
the ejector rod of the hydraulic jack 6 continuously pushes the rotary reduction gearbox output shaft 13 forwards, the rotary reduction gearbox output shaft 13 moves forwards along the shaft hole of the rotary reduction gearbox 12, and the front end of the rotary reduction gearbox output shaft 13 is ejected out through the stepped inner hole of the ejection retainer ring 5 and the ejection hole of the front top plate 2.
An embodiment of the present invention is as follows
The length of the base 1 is 2600mm, the width is 1000mm, the thickness is 400mm, a square frame structure is assembled by rectangular square pipes of 150X150X8mm, and a steel plate delta 6mm is laid above the frame for welding;
the length of the front top plate 2 and the rear top plate 3 is 1000mm, the width is 800mm, and the thickness is 30mm;
the diameter of the fixed rod 4 is 70mm, and the length is 2500mm;
the outer diameter of the ejection retainer ring 5 is 500mm, the diameter of the inner hole of the first step is 320mm, the diameter of the inner hole of the first step is 400mm, and the thickness of the retainer ring 5 is 60mm;
the type of the hydraulic jack 6: B270-1/200T.
Claims (4)
1. The utility model provides a dismantle roof pressure device of rotatory reducing gear box output shaft which characterized in that: the hydraulic jack comprises a base (1), a front top plate (2), a rear top plate (3), fixing rods (4), ejection check rings (5) and a hydraulic jack (6), wherein the base (1) is of a cuboid steel plate frame structure, the base (1) is horizontally placed on the ground, the front top plate (2) and the rear top plate (3) are respectively square steel plates, the lower ends of the front top plate (2) and the rear top plate (3) are respectively and vertically welded at two ends of the base (1), the two sides of the upper ends of the front top plate (2) and the rear top plate (3) are respectively connected with the fixing rods (4), the surface of the front top plate (2) is provided with the ejection holes, the diameter of the ejection holes is larger than that of a rotary reduction gearbox output shaft (13), the inner holes of the front top plate (2) are fixedly connected with the ejection check rings (5) on the inner side surface of the front top plate, the ejection check rings (5) are circular rings, the inner holes of the ejection check rings (5) are larger than that of the rotary reduction gearbox output shaft (13), the inner holes of the ejection check rings (5) are located at the periphery of the front top plate (2), the surface of the rear top plate (3) is provided with a plurality of fixing holes, and the rear bottom plate (6) which are connected with the rear end of the hydraulic jack is connected with the rear bottom plate (3) through bolts.
2. A top pressing device for dismounting an output shaft of a rotary reduction gearbox according to claim 1, characterized in that: and fixing rod connecting holes are respectively formed in two sides of the upper ends of the front top plate (2) and the rear top plate (3), and two ends of the two fixing rods (4) respectively penetrate through the fixing rod connecting holes of the front top plate (2) and the rear top plate (3) and are fixedly connected through fixing rod nuts (7).
3. A top pressure device for dismounting an output shaft of a rotary reduction gearbox according to claim 1, which is characterized in that: the ejection check ring (5) is a stepped circular check ring, the first stepped aperture of the ejection check ring (5) is in clearance fit with the outer diameter of an output shaft (13) of the rotary reduction gearbox, the second stepped peripheral diameter of the ejection check ring (5) is in clearance fit with the outer diameter of the rotary reduction gearbox (12), a plurality of fixing holes are uniformly distributed on the circumference of the annular plane of the ejection check ring (5), a plurality of mounting holes are formed in the outer circumference of the ejection hole of the front top plate (2) and correspond to the circumferential fixing holes of the ejection check ring (5), and the ejection check ring (5) is fixedly connected with the front top plate (2) through the fixing holes and the mounting holes by check ring bolts (10) and check ring nuts (11).
4. A top pressure device for dismounting an output shaft of a rotary reduction gearbox according to claim 1, which is characterized in that: the upper surface of base (1) has two fixing bases (8), and two fixing bases (8) are arranged along the length direction of base (1), and rotary reduction box (12) is placed at the upper surface of fixing base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221699368.8U CN217596407U (en) | 2022-07-04 | 2022-07-04 | Top pressing device for dismounting output shaft of rotary reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221699368.8U CN217596407U (en) | 2022-07-04 | 2022-07-04 | Top pressing device for dismounting output shaft of rotary reduction gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217596407U true CN217596407U (en) | 2022-10-18 |
Family
ID=83591801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221699368.8U Active CN217596407U (en) | 2022-07-04 | 2022-07-04 | Top pressing device for dismounting output shaft of rotary reduction gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217596407U (en) |
-
2022
- 2022-07-04 CN CN202221699368.8U patent/CN217596407U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202780425U (en) | Mounting and dismounting device of bearing | |
| CN217596407U (en) | Top pressing device for dismounting output shaft of rotary reduction gearbox | |
| CN212651866U (en) | Upper and lower frame dismounting and locking fixing device of single-cylinder cone crusher | |
| CN202684458U (en) | Home-made bearing detachment fixture | |
| CN201685224U (en) | Detaching device of rolling mill vertical roll bearing outer liner | |
| CN212265698U (en) | Guide vane shaft middle shaft sleeve dismantling tool | |
| CN203984183U (en) | A kind of single-bearing machine false bearings bearing | |
| CN210878451U (en) | Disassembly and assembly tool for overhauling large hydraulic dynamometer | |
| CN210476813U (en) | Disassembling tool for coupler and gear shaft | |
| CN218254963U (en) | Special tool for quickly disassembling and assembling coupler bolt | |
| CN208034013U (en) | A kind of welding revolving platform | |
| CN210677640U (en) | Auxiliary tool for heat exchanger core pulling | |
| CN213003636U (en) | Bearing dismounting device | |
| CN110614501A (en) | Disassembly and assembly method and tool for overhauling large hydraulic dynamometer | |
| CN221644547U (en) | Heavy equipment dragging and steering platform | |
| CN218592888U (en) | Universal dismounting tool for inner ring of air cylindrical roller bearing of wind power main gearbox | |
| CN217451498U (en) | Rolling mill backing roll bearing extracting tool | |
| CN220718422U (en) | A integrative device of car mill for mould accessory production | |
| CN214135837U (en) | Thrust bearing dismounting device of main speed reducer of acid rolling mill | |
| CN220094482U (en) | Dismantling tool for eccentric pin bush of rotating wheel | |
| CN214256067U (en) | Motor disassembling tool | |
| CN215965674U (en) | Skeleton preparation frock | |
| CN213471096U (en) | Maintenance platform of gantry crane rotary reduction box | |
| CN213002410U (en) | Quick replacement device for main roller die of ring rolling machine | |
| CN219005113U (en) | Combined type large cylindrical part welding deformation-preventing tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |