CN110802545A - Wheel drum detacher for screw centrifuge - Google Patents
Wheel drum detacher for screw centrifuge Download PDFInfo
- Publication number
- CN110802545A CN110802545A CN201810886997.3A CN201810886997A CN110802545A CN 110802545 A CN110802545 A CN 110802545A CN 201810886997 A CN201810886997 A CN 201810886997A CN 110802545 A CN110802545 A CN 110802545A
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- China
- Prior art keywords
- wire drawing
- outer wire
- oil cylinder
- hole
- chuck
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- Pending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention provides a wheel drum detacher for a screw centrifuge, which is characterized by comprising an outer wire drawing rod, an inner ejector rod, a chuck, an outer wire drawing rod screwing hole, an oil cylinder fixing gripper, a gripper rotating pin and an oil cylinder, wherein the outer wire drawing rod is of a hollow cylindrical structure, one end of the outer wire drawing rod is provided with an external thread, the outer wire drawing rod can be screwed into the thread of an inner hole of the wheel drum and is fixed with the wheel drum, the inner ejector rod is fixed in the outer wire drawing rod, and the inner ejector rod is high-strength round steel with the diameter smaller than that of the inner hole of the outer wire drawing rod. The invention is small and light, has simple structure and easy storage, does not generate secondary cost in use, not only improves the maintenance efficiency and reduces the failure time, but also can reduce the damage of the bearing and the cost of spare parts.
Description
Technical Field
The invention relates to a wheel drum detacher of a spiral centrifuge, in particular to a wheel drum detacher of a purely mechanical spiral centrifuge.
Background
Factory equipment has several screw centrifuge, the wheel drum passes through the parallel key and installs on the main shaft, need more tight fit, need often dismantle the wheel drum in the production and overhaul, it is difficult to dismantle because there is whole guard shield outward this centrifuge wheel drum, the clearance is too little between wheel drum and the guard shield, do not have the atress space when the wheel drum outwards is dismantled, the main shaft is equipped with bearing and oil blanket in addition, so can not strike hard, just so cause the wheel drum to dismantle very difficult, the current market does not have suitable extracting tool, so prying and striking that have to be very careful when dismantling the wheel drum, not only efficiency is slow but also can not avoid causing the influence to the life of centrifuge bearing, so this problem puzzles equipment maintenance personnel all the time, urgent need solve.
Disclosure of Invention
According to the technical problem, the invention provides a wheel drum detacher for a screw centrifuge, which is characterized by comprising an outer wire drawing rod, an inner ejector rod, a chuck, an outer wire drawing rod screwing hole, an oil cylinder fixing gripper, a gripper rotating pin and an oil cylinder, wherein the outer wire drawing rod is of a hollow cylindrical structure, one end of the outer wire drawing rod is provided with an external thread and can be screwed into the thread of an inner hole of a wheel drum and is fixed with the wheel drum, the inner ejector rod is fixed in the outer wire drawing rod, the inner ejector rod is high-strength round steel with the diameter smaller than that of the inner hole of the outer wire drawing rod, one end of the inner ejector rod is a chamfer, a round pit is arranged at the center of the end face of the other end of the inner ejector rod, the chuck is fixed at the outer side of the outer wire drawing rod, four holes are drilled on the circumference of the chuck to facilitate the screwing of the outer wire drawing rod and the wheel drum, the chuck is installed on the outer wire drawing rod by welding, the outer wire drawing rod is arranged on the chuck and is burdened, an oil cylinder fixing hand grip is installed in the outer wire drawing rod burdened hole, the chuck and the oil cylinder are connected through the oil cylinder fixing hand grip and the outer wire drawing rod burdened hole, one end of the oil cylinder fixing hand grip is in a circular ring shape and is fixed on the oil cylinder, and the other end of the oil cylinder fixing hand grip is provided with three swingable hooks which are hooked on the chuck.
The oil cylinder comprises a cylinder body and a cylinder rod, a lever is arranged at the top end of the cylinder body, the extending end of the cylinder rod is conical, a threaded mounting hole is formed in the cylinder body, and the oil cylinder fixing gripper is fixed on the cylinder body through the threaded mounting hole.
The extending end of the cylinder rod is conical, and the conical top tip is pushed into the circular pit on the end face of the inner mandril.
The chuck is a circular steel plate with enough strength.
The fixing hole is formed in one side of the oil cylinder fixing hand grip, the fixing hole is also formed in the upper side of the oil cylinder, and the hand grip rotating pin penetrates through the oil cylinder fixing hand grip and the fixing hole in the oil cylinder to fix the oil cylinder fixing hand grip and the oil cylinder together.
The invention has the beneficial effects that: the invention relates to a spiral centrifuge wheel drum disassembling tool, which solves the problem that a spiral centrifuge wheel drum is difficult to disassemble. The invention is small and light, has simple structure and easy storage, does not generate secondary cost in use, not only improves the maintenance efficiency and reduces the failure time, but also can reduce the damage of the bearing and the cost of spare parts.
The utility model provides an outer silk pull rod is hollow cylinder, and excircle one end has the external screw thread, can screw to wheel drum hole screw inside, and is fixed together with the wheel drum, becomes the atress extension in the wheel drum dismantlement, ensures going on smoothly of dismantling. When the inner top rod wheel drum is disassembled, the inner top rod wheel drum is pressed against the shaft, and reverse force is applied to the disassembly of the wheel drum. The chuck is a circular steel plate with enough strength, the chuck is installed on the outer wire drawing rod through welding, the diameter of the inner circle of the chuck is slightly larger than the outer circle of the outer wire drawing rod, and welding concentricity is guaranteed.
The extending end of the cylinder rod is conical, the center is jacked into the circular pit on the end face of the inner center rod, the center positioning is facilitated, the cylinder barrel of the oil cylinder is connected with the fixed gripper of the oil cylinder, the cylinder rod of the oil cylinder extends outwards under the action of uninterrupted oil pressure, the end of the main shaft is jacked by the inner center rod to apply inward jacking force to the main shaft, and the cylinder barrel applies reverse pulling force to the wheel drum through the chuck and the outer screw drawing rod, so that the wheel drum is detached from the main shaft.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of the explosive structure of the present invention.
As shown in the figure, an outer wire drawing rod-1, an inner ejector rod-2, a chuck-3, an outer wire drawing rod screwing hole-4, an oil cylinder fixing hand grip-5, a hand grip rotating pin-6 and an oil cylinder-7.
Detailed Description
The invention will be further explained with reference to the figures:
example 1
The invention provides a wheel drum detacher for a screw centrifuge, which comprises an outer wire drawing rod 1, an inner ejector rod 2, a chuck 3, an outer wire drawing rod spin hole 4, an oil cylinder fixing gripper 5, a gripper rotating pin 6 and an oil cylinder 7, wherein the outer wire drawing rod 1 is of a hollow cylindrical structure, one end of the outer wire drawing rod 1 is provided with external threads and can be screwed into the threads of an inner hole of the wheel drum and is fixed with the wheel drum together, the inner ejector rod 2 is fixed in the outer wire drawing rod 1, the inner ejector rod 2 is a high-strength round steel with the diameter smaller than that of the inner hole of the outer wire drawing rod 1, one end of the inner ejector rod 2 is a chamfer, a round pit is arranged in the center of the end face of the other end of the inner ejector rod 2, the chuck 3 is fixed on the outer side of the outer wire drawing rod 1, four holes are drilled on the circumference of the chuck 3 to facilitate the screwing of the outer wire drawing rod and the wheel drum, the chuck 3 is installed on the outer wire drawing rod 1 by welding, the inner circle diameter of the chuck 3 is slightly larger than that of the outer, the outer wire drawing rod tightening hole 4 is internally provided with an oil cylinder fixing hand grip 5, the chuck 3 and the oil cylinder 7 are connected through the oil cylinder fixing hand grip 5 and the outer wire drawing rod tightening hole 4, one end of the oil cylinder fixing hand grip 5 is in a circular ring shape and is fixed on the oil cylinder 7, and the other end of the oil cylinder fixing hand grip is provided with three swingable hooks which are hooked on the chuck 3. The oil cylinder 7 is composed of a cylinder body, a cylinder rod and a support frame, a lever is arranged at the top end of the cylinder body, the cylinder body is provided with the support frame, a fixing hole is formed in the support frame, and the oil cylinder fixing gripper 5 is fixed on the support frame through the fixing hole. The chuck 3 is a circular steel plate having sufficient strength. And one side of the oil cylinder fixing hand grip 5 is provided with a fixing hole, the upper side of the oil cylinder 7 is also provided with a fixing hole, and the hand grip rotating pin 6 penetrates through the oil cylinder fixing hand grip 5 and the fixing hole on the oil cylinder 7 to fix the oil cylinder fixing hand grip 5 and the oil cylinder 7 together.
Example 2
When the centrifugal machine is used, the cylinder barrel 7 of the oil cylinder is connected with the wheel drum of the centrifugal machine through the oil cylinder fixing hand grip 5, the chuck 3 and the outer wire drawing rod 1, the cylinder rod 7 of the oil cylinder acts on the main shaft of the centrifugal machine through the inner ejector rod 2, and the reaction force of the cylinder rod can be transmitted to the wheel drum through the cylinder barrel, the oil cylinder fixing hand grip 5, the chuck 3 and the outer wire drawing rod 1 because the main shaft of the centrifugal machine cannot move, so that the wheel drum is drawn out.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (4)
1. The utility model provides a wheel drum detacher for helico-centrifuger, its characterized in that includes outer wire drawing pole, interior ejector pin, chuck, the hole is spin tight to outer wire drawing pole, the fixed tongs of hydro-cylinder, tongs rotatory round pin, hydro-cylinder, outer wire drawing pole is the hollow cylinder structure, outer wire drawing pole one end has the external screw thread, can screw wheel drum hole screw the inside, and the wheel drum is fixed to be in the same place, outer wire drawing pole internal fixation has interior ejector pin, interior ejector pin is the diameter and is less than the round steel that outer wire drawing pole inner circle hole was excelled in, interior ejector pin one end is the chamfer, the inner ejector pin other end terminal surface centre of a circle is equipped with the round hole, the outer wire drawing pole outside is fixed with the chuck, four holes of chuck circumference drilling are convenient for outer wire drawing pole and wheel drum to screw, the chuck passes through welded mounting on outer wire drawing pole, and the diameter is a bit bigger than outer wire drawing chuck in the chuck, outer wire drawing pole spin tight hole has been seted up on the, the outer wire drawing rod is provided with an oil cylinder fixing hand grip in the tightening hole, the chuck is connected with the oil cylinder through the oil cylinder fixing hand grip and the outer wire drawing rod tightening hole, one end of the oil cylinder fixing hand grip is in a circular ring shape and is fixed on the oil cylinder, and the other end of the oil cylinder fixing hand grip is provided with three swingable hooks which are hooked on the chuck.
2. The wheel drum detacher for the screw centrifuge as recited in claim 1, wherein the cylinder is composed of a cylinder body and a cylinder rod, the top end of the cylinder body is provided with a lever, the extending end of the cylinder rod is conical, the cylinder body is provided with a threaded mounting hole, and the cylinder fixing hand is fixed on the cylinder body through the threaded mounting hole.
3. A wheel drum remover for a screw centrifuge as defined in claim 1, wherein said chuck is a sufficiently strong circular steel plate.
4. The wheel drum detacher for the screw centrifuge as recited in claim 1, wherein a fixing hole is formed at one side of the oil cylinder fixing hand grip, a fixing hole is also formed at the upper side of the oil cylinder, and a hand rotating pin penetrates through the oil cylinder fixing hand grip and the fixing hole of the oil cylinder to fix the oil cylinder fixing hand grip and the oil cylinder together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886997.3A CN110802545A (en) | 2018-08-06 | 2018-08-06 | Wheel drum detacher for screw centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886997.3A CN110802545A (en) | 2018-08-06 | 2018-08-06 | Wheel drum detacher for screw centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110802545A true CN110802545A (en) | 2020-02-18 |
Family
ID=69487315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810886997.3A Pending CN110802545A (en) | 2018-08-06 | 2018-08-06 | Wheel drum detacher for screw centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110802545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360749A (en) * | 2020-02-27 | 2020-07-03 | 中船澄西船舶修造有限公司 | Fan blade dismounting tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201271863Y (en) * | 2008-09-28 | 2009-07-15 | 北京南口轨道交通机械有限责任公司 | Detaching device for oil seal and axle housing of screw rod air compressor unit head |
| US8146221B2 (en) * | 2008-10-22 | 2012-04-03 | Jung-Liang Hung | Hydraulic tool |
| CN205085912U (en) * | 2015-08-31 | 2016-03-16 | 重庆红旗杰勋车轮有限公司 | Quick dismounting device of wheel hub bearing |
| CN206578764U (en) * | 2017-03-03 | 2017-10-24 | 株洲联诚集团有限责任公司 | A kind of impeller drawing frock |
-
2018
- 2018-08-06 CN CN201810886997.3A patent/CN110802545A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201271863Y (en) * | 2008-09-28 | 2009-07-15 | 北京南口轨道交通机械有限责任公司 | Detaching device for oil seal and axle housing of screw rod air compressor unit head |
| US8146221B2 (en) * | 2008-10-22 | 2012-04-03 | Jung-Liang Hung | Hydraulic tool |
| CN205085912U (en) * | 2015-08-31 | 2016-03-16 | 重庆红旗杰勋车轮有限公司 | Quick dismounting device of wheel hub bearing |
| CN206578764U (en) * | 2017-03-03 | 2017-10-24 | 株洲联诚集团有限责任公司 | A kind of impeller drawing frock |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360749A (en) * | 2020-02-27 | 2020-07-03 | 中船澄西船舶修造有限公司 | Fan blade dismounting tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200218 |