CN104440758A - Portable pressure device and application of portable pressure device in interference fit part detachment - Google Patents
Portable pressure device and application of portable pressure device in interference fit part detachment Download PDFInfo
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- CN104440758A CN104440758A CN201310441779.6A CN201310441779A CN104440758A CN 104440758 A CN104440758 A CN 104440758A CN 201310441779 A CN201310441779 A CN 201310441779A CN 104440758 A CN104440758 A CN 104440758A
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- pressure device
- portable pressure
- crossbeam
- oil pump
- metal structure
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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
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Abstract
A portable pressure device comprises a metal structure unit and a power unit, and is characterized in that the metal structure unit comprises four stable rods, four pull rods, four beams and one top supporting beam, and the two ends of each beam are provided with a through hole for the corresponding stable rod to penetrate through and a through hole for the corresponding pull rod to penetrate through respectively; the ends of the stable rods and the ends of the pull rods are each provided with threads, penetrate through the through holes in the beams and are fastened and connected to the beams through a set of nuts to form a three-dimensional frame; the top supporting beam is a steel beam with the length larger than the distance between every two adjacent beams, and the three-dimensional frame is transversely erected between the two beams at one end of the three-dimensional frame; the power unit comprises a high-pressure hose, an electric oil pump and a jack, the high-pressure hose is connected between the electric oil pump and the jack, and the jack is arranged on the top supporting beam of the metal structure unit. The portable pressure device has the advantages of being simple in structure, convenient to manufacture, capable of detaching various bearings, couplings and gears, and capable of online detecting hydraulic cylinders.
Description
Technical field
The present invention relates to one, specifically, be a kind of portable pressure device and interference fit part dismounting and detect hydraulic cylinder internal leakage in application.
Background technology
Shaft coupling, gear, bearing etc. generally adopt interference fit with coordinating of axle.In maintenance, dismantle these parts and mainly adopt homemade simple and easy horse and the jack of drawing to coordinate.Because the diameter of these parts is different, the simple and easy horse size of drawing of use is not identical yet.In the overhaul of the equipments of any industrial production enterprise, for meeting the parts dismounting needs of different-diameter, often need to make the simple and easy of all size and draw horse, the steel of at substantial and manufacturing artificial, and simple and easyly draw horse often to occur in use procedure excessive, the drawing crack of distortion and the situation of scrapping, need rebuilding in maintenance to make or reinforce and simple and easyly draw horse, the repair time is extended.
Also there is existing electric hydraulic screw extractor in market, but Problems existing has: the first, electric hydraulic screw extractor acquisition expenses is high, can not be popularized.The second, during with bearing on electric hydraulic screw extractor dismounting axle, the inner ring due to bearing is emerged the height only 3 ~ 5mm of the shaft shoulder, and the pulling claw of electric hydraulic screw extractor can not move bearing inner race to as requested, but is pulled on outer ring, as depicted in figs. 1 and 2.Fig. 1 is the schematic diagram that known electric hydraulic screw extractor tears bearing open, and Fig. 2 is the A-A sectional view in Fig. 1.Therefore, such active force is actual is first act on outer ring, then by the rolling element between Internal and external cycle by force transmission on inner ring, when causing dismounting, damage bearing, have impact on the service life of bearing.
In addition, Fig. 3 is the leakage point schematic diagram after known hydraulic cylinder is repaired.In hydraulic test uses, the incidental problem of hydraulic cylinder occurs internal leakage or external leakage after sealing ring damages.In site examining and repairing, the method usually taked is which sealing ring has damaged just change which sealing ring, and owing to being pressed for time after having changed, the Hydraulic Elements of generally not bothering to see me out special are repaired factory and tested, and come into operation after directly recovering installation.And send special Hydraulic Elements reparation factory to test, expense is expensive, and a lot of industrial production enterprise is unwilling to spend this expense.Like this, because potted component is defective, the situation causing the hydraulic cylinder again come into operation after repairing again to occur to leak can not be avoided.
The dismounting of therefore known interference fit part and hydraulic cylinder repair after leak detection there is above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, is to propose the simple portable pressure device of a kind of stereo frame type structure.
Another object of the present invention, is to propose the simple portable pressure device of a kind of square shape tower structure.
Another object of the present invention, is to propose the application of the simple portable pressure device of a kind of stereo frame type structure in the dismounting of the shaft coupling of interference fit, gear and bearing.
Another object of the present invention, is to propose the application of the simple portable pressure device of a kind of square shape tower structure in the internal leakage detecting hydraulic cylinder.
For achieving the above object, technical solution of the present invention is:
A kind of portable pressure device, comprises metal structure unit and power unit, it is characterized in that:
Described metal structure unit comprises 4 stabiliser bars, 4 pull bars, 4 crossbeams and 1 shore beam, and wherein the two ends of every root crossbeam are provided with one through stabiliser bar and a through hole through pull bar; The end of stabiliser bar and pull bar is equipped with screw thread, and the respective through hole one group of fastening nuts be passed on crossbeam is connected to an one-tenth space framework on crossbeam; Shoring beam is the girder steel that a length is greater than the spacing of two crossbeams, and transverse strands is located at the centre of two crossbeams of space framework one end in space framework;
Described power unit comprises high-pressure hose, electric oil pump and jack, and make high-pressure hose be connected between electric oil pump and jack, described jack is arranged on shoring on beam of metal structure unit.
Portable pressure device of the present invention can also be further achieved by the following technical measures.
Aforesaid portable pressure device, wherein said crossbeam makes with the Q345 steel plate that 12mm is thick.
Aforesaid portable pressure device, wherein said beam of shoring makes with the Q345 steel plate that 12mm is thick, its wide 250mm, thick 200mm.
A kind of portable pressure device, comprises metal structure unit and power unit, it is characterized in that:
Described metal structure unit comprises 2 pull bars, 2 crossbeams and 1 holder, and wherein the two ends of every root crossbeam are provided with a through hole through pull bar; The end of pull bar is equipped with screw thread, and the through hole one group of fastening nuts be passed on crossbeam is connected to an one-tenth square shape framework on crossbeam; Holder one forms mounting with Plate Welding, one end is opened " Π " mouth, and the width of mouth is identical with width dimensions with horizontal depth of beam respectively with height dimension, other end open semicircle mouth, and is fixed by bolts to the centre of a crossbeam;
Described power unit comprises a high-pressure hose and electric oil pump, and one end of high-pressure hose is connected with electric oil pump, and the other end is connected with hydraulic cylinder to be tested.
Portable pressure device of the present invention can also be further achieved by the following technical measures.
Aforesaid portable pressure device, wherein said crossbeam makes with the Q345 steel plate that 12mm is thick.
Aforesaid portable pressure device, one end of wherein said high-pressure hose is connected with electric oil pump, and the other end is connected with the rodless cavity of hydraulic cylinder to be tested, and the hydraulic fluid port of rod chamber is opened.
Aforesaid portable pressure device, wherein said holder comprises left and right two clamp bodies, left and right clamp body is symmetrical two halves formula structural clips, and two clamp bodies are embraced by respective bolt, clamp, fixed hydraulic cylinder outboard piston bar gudgeon link to be tested.
The application of a kind of portable pressure device as claimed in claim 1 in the dismounting of the shaft coupling of interference fit, gear and bearing.
The application of a kind of portable pressure device as claimed in claim 4 in the internal leakage detecting hydraulic cylinder.
Adopt after technique scheme, portable pressure device of the present invention and having the following advantages in the dismounting of interference fit part and the application in the internal leakage detecting hydraulic cylinder:
1, structure is simple, easy to make;
2, the dismounting of shaft coupling, gear and the bearing to interference fit can be realized, draw horse more durable than simple and easy, and a set of device can be suitable for the dismounting (simple and easy draw horse in use easily to damage, and a kind of simple and easy shaft coupling, gear, bearing drawing horse can only dismantle a kind of diameter) of the shaft coupling of different-diameter, gear and bearing;
3, than electric hydraulic screw extractor, low price, easily promotes, and during dismounting bearing, active force is on the inner ring of bearing, and (electric hydraulic screw extractor price, is unfavorable for promoting can not to damage bearing; Electric hydraulic screw extractor can not move bearing inner race to, and bearing is fragile);
4 internal leakage and the external leakages detecting hydraulic cylinder easily.
Accompanying drawing explanation
Fig. 1 is that known electric hydraulic screw extractor tears bearing schematic diagram open;
Fig. 2 is the A-A sectional view in Fig. 1;
Fig. 3 is the leakage point schematic diagram after known hydraulic cylinder is repaired;
Fig. 4 is a kind of stereo frame type pressure apparatus structural front view of the embodiment of the present invention;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the top view of Fig. 4;
Fig. 7 is a kind of square shape frame-type pressure apparatus structural representation of the embodiment of the present invention;
Fig. 8 is the using state schematic diagram of stereo frame type pressure apparatus at the bearing of dismounting interference fit of the embodiment of the present invention;
Fig. 9 is the using state schematic diagram of square shape frame-type pressure apparatus at hydraulic cylinder of the embodiment of the present invention;
Figure 10 is the top view of Fig. 9.
In figure: the pulling claw of 1 electric hydraulic screw extractor, 2 bearings, 3 axles, 4 leak leak source, 5 internal leakage points, and 6 shore beam, 7 jack, 8 pull bars, 9 crossbeams, 10 stabiliser bars, 11 high-pressure hoses, 12 electric oil pumps, 13 split inloading parts, the axle of 14 split inloading parts, 15 hydraulic cylinders, 16 holders, 17 chocks, 18 hydraulic cylinder outboard piston bar gudgeon links.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
The simple portable pressure device of a kind of stereo frame type structure
Now refer to Fig. 4-Fig. 6, Fig. 4 is a kind of pressure apparatus structural front view of the embodiment of the present invention, and Fig. 5 is the left view of Fig. 4, and Fig. 6 is the top view of Fig. 4.As shown in the figure, the metal structure unit of the simple portable pressure device of described stereo frame type structure comprise 4 stabiliser bars, 10,4 pull bars, 8,4 crossbeams 9 and 1 shore beam 6, wherein the two ends of every root crossbeam are provided with one through stabiliser bar and a through hole through pull bar; The long 1000mm of stabiliser bar, wide 46mm and long 1800mm, the end of wide 64mm pull bar is equipped with screw thread, and the respective through hole one group of fastening nuts be passed on crossbeam is connected to an one-tenth space framework on crossbeam; Shoring beam is the girder steel that a length is greater than the spacing of two crossbeams, and transverse strands is located at the centre of two crossbeams of space framework one end in space framework; Described crossbeam 9 makes with the Q345 steel plate that 12mm is thick;
Described power unit comprises high-pressure hose, electric oil pump and jack, high-pressure hose is made to be connected between electric oil pump and jack, what be arranged on metal structure unit between described jack shores on beam 6, described beam 6 of shoring makes with the Q345 steel plate that 12mm is thick, its wide 250mm, thick 200mm.
Embodiment 2
The simple portable pressure device of a kind of square shape tower structure
Now refer to Fig. 7, Fig. 7 is a kind of square shape frame-type pressure apparatus structural representation of the embodiment of the present invention.As shown in the figure, the metal structure unit of described square shape frame-type portable pressure device comprises 2 pull bars, 8,2 crossbeams 9 and 1 holder 16, and wherein the two ends of every root crossbeam are provided with a through hole through pull bar; The end of pull bar is equipped with screw thread, and the through hole one group of fastening nuts be passed on crossbeam is connected to an one-tenth square shape framework on crossbeam; Holder one forms mounting with Plate Welding, one end is opened " Π " mouth, and the width of mouth is identical with width dimensions with horizontal depth of beam respectively with height dimension, other end open semicircle mouth, and is fixed by bolts to the centre of a crossbeam; The long 480mm of holder, described crossbeam (9) makes with the Q345 steel plate that 12mm is thick.Described holder comprises left and right two clamp bodies, left and right clamp body is symmetrical two halves formula structural clips, the radius of its synthesis circular arc is 150mm, and two clamp bodies are embraced by respective bolt, clamp, fixed hydraulic cylinder outboard piston bar gudgeon link to be tested.
Described power unit comprises a high-pressure hose and electric oil pump, and one end of high-pressure hose is connected with electric oil pump, and the other end is connected with hydraulic cylinder to be tested.One end of described high-pressure hose is connected with electric oil pump, and the other end is connected with the rodless cavity of hydraulic cylinder to be tested, and the hydraulic fluid port of rod chamber is opened.
Embodiment 3
The application of stereo frame type pressure apparatus in the bearing removing interference fit
Fig. 8 is the using state schematic diagram of stereo frame type pressure apparatus at the bearing of dismounting interference fit of the embodiment of the present invention.The size of each component of portable pressure device of the present embodiment, with embodiment 1, is adapted at the application in the dismounting of the shaft coupling of interference fit, gear and bearing.The pressure of the pressure apparatus of the embodiment of the present invention can reach 200t, is applicable to the shaft coupling of dismounting different-diameter, gear and bearing.
Embodiment 4
The application of square shape frame-type portable pressure device in the internal leakage detecting hydraulic cylinder
Fig. 9 is the using state schematic diagram of square shape frame-type pressure apparatus at hydraulic cylinder of the embodiment of the present invention, and Figure 10 is the top view of Fig. 9.The size of each component of portable pressure device of the present embodiment, with embodiment 2, is adapted at the application detected in the internal leakage of hydraulic cylinder.During use, regulate the output oil pressure of electric oil pump to the setting of test.Open electric oil pump, slowly open the venting plug of hydraulic cylinder rodless cavity, get rid of the air of rear end.Keep the operating condition of electric oil pump, observe the rod chamber hydraulic fluid port of hydraulic cylinder, as this hydraulic fluid port has lasting fluid to flow out, then illustrate that hydraulic cylinder interior leakage leaks, otherwise, then illustrate that hydraulic cylinder is without internal leakage.
The present invention has substantive distinguishing features and significant technological progress, and portable pressure device of the present invention can carry out leak check to the hydraulic cylinder repaired at the scene.And there is no similar easy device at present and check for the hydraulic cylinder at scene.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (9)
1. a portable pressure device, comprises metal structure unit and power unit, it is characterized in that:
Described metal structure unit comprises 4 stabiliser bars (10), 4 pull bars (8), 4 crossbeams (9) and 1 shore beam (6), and wherein the two ends of every root crossbeam are provided with one through stabiliser bar and a through hole through pull bar; The end of stabiliser bar and pull bar is equipped with screw thread, and the respective through hole one group of fastening nuts be passed on crossbeam is connected to an one-tenth space framework on crossbeam; Shoring beam is the girder steel that a length is greater than the spacing of two crossbeams, and transverse strands is located at the centre of two crossbeams of space framework one end in space framework;
Described power unit comprises high-pressure hose, electric oil pump and jack, makes high-pressure hose be connected between electric oil pump and jack, is arranged on shoring on beam (6) of metal structure unit between described jack.
2. portable pressure device as claimed in claim 1, it is characterized in that, described crossbeam (9) makes with the Q345 steel plate that 12mm is thick.
3. portable pressure device as claimed in claim 1, is characterized in that, described in shore beam (6) be make with the Q345 steel plate that 12mm is thick, its wide 250mm, thick 200mm.
4. a portable pressure device, comprises metal structure unit and power unit, it is characterized in that:
Described metal structure unit comprises 2 pull bars (8), 2 crossbeams (9) and 1 holder (16), and wherein the two ends of every root crossbeam are provided with a through hole through pull bar; The end of pull bar is equipped with screw thread, and the through hole one group of fastening nuts be passed on crossbeam is connected to an one-tenth square shape framework on crossbeam; Holder one forms mounting with Plate Welding, one end is opened " Π " mouth, and the width of mouth is identical with width dimensions with horizontal depth of beam respectively with height dimension, other end open semicircle mouth, and is fixed by bolts to the centre of a crossbeam;
Described power unit comprises a high-pressure hose and electric oil pump, and one end of high-pressure hose is connected with electric oil pump, and the other end is connected with hydraulic cylinder to be tested.
5. portable pressure device as claimed in claim 4, it is characterized in that, described crossbeam (9) makes with the Q345 steel plate that 12mm is thick.
6. portable pressure device as claimed in claim 4, it is characterized in that, one end of described high-pressure hose is connected with electric oil pump, and the other end is connected with the rodless cavity of hydraulic cylinder to be tested, and the hydraulic fluid port of rod chamber is opened.
7. portable pressure device as claimed in claim 4, it is characterized in that, described holder comprises left and right two clamp bodies, left and right clamp body is symmetrical two halves formula structural clips, and two clamp bodies are embraced by respective bolt, clamp, fixed hydraulic cylinder outboard piston bar gudgeon link to be tested.
8. a portable pressure device as claimed in claim 1 application in the dismounting of the shaft coupling of interference fit, gear and bearing.
9. the application of portable pressure device as claimed in claim 4 in the internal leakage detecting hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310441779.6A CN104440758B (en) | 2013-09-25 | 2013-09-25 | Portable pressure device and application thereof in interference fit part disassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310441779.6A CN104440758B (en) | 2013-09-25 | 2013-09-25 | Portable pressure device and application thereof in interference fit part disassembly |
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| Publication Number | Publication Date |
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| CN104440758A true CN104440758A (en) | 2015-03-25 |
| CN104440758B CN104440758B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310441779.6A Active CN104440758B (en) | 2013-09-25 | 2013-09-25 | Portable pressure device and application thereof in interference fit part disassembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335985A (en) * | 2017-08-23 | 2017-11-10 | 成都中浦科技有限公司 | A kind of semi-automatic sun energy module frame demolition machine |
| CN109571361A (en) * | 2019-01-18 | 2019-04-05 | 卞洪丽 | A kind of bridge motor bearings provision for disengagement |
| CN111168623A (en) * | 2020-01-16 | 2020-05-19 | 神华宝日希勒能源有限公司 | Disassembling tool for pushing motor gear |
| CN115008406A (en) * | 2022-08-10 | 2022-09-06 | 徐州保信密封件有限公司 | Sealing ring assembling device with steel skeleton structure of sealing bearing and using method |
| US11466707B2 (en) * | 2018-05-01 | 2022-10-11 | Kyb Corporation | Fluid leakage detection system and fluid pressure system |
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| KR20020044408A (en) * | 2000-12-06 | 2002-06-15 | 이구택 | A Disassembleing Device For Shaft And Bearing |
| CN1763488A (en) * | 2005-10-31 | 2006-04-26 | 上海人造板机器厂有限公司 | Apparatus and method for testing cylinder pressure |
| CN202763754U (en) * | 2012-07-31 | 2013-03-06 | 灵宝金源矿业股份有限公司 | Universal dismounting device |
| CN203077189U (en) * | 2012-12-19 | 2013-07-24 | 马钢(集团)控股有限公司 | Tool for dismounting coupler catcher |
| CN203076875U (en) * | 2013-01-07 | 2013-07-24 | 河北钢铁股份有限公司唐山分公司 | Bearing detacher suitable for kinds of bearings |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020044408A (en) * | 2000-12-06 | 2002-06-15 | 이구택 | A Disassembleing Device For Shaft And Bearing |
| CN1763488A (en) * | 2005-10-31 | 2006-04-26 | 上海人造板机器厂有限公司 | Apparatus and method for testing cylinder pressure |
| CN202763754U (en) * | 2012-07-31 | 2013-03-06 | 灵宝金源矿业股份有限公司 | Universal dismounting device |
| CN203077189U (en) * | 2012-12-19 | 2013-07-24 | 马钢(集团)控股有限公司 | Tool for dismounting coupler catcher |
| CN203076875U (en) * | 2013-01-07 | 2013-07-24 | 河北钢铁股份有限公司唐山分公司 | Bearing detacher suitable for kinds of bearings |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335985A (en) * | 2017-08-23 | 2017-11-10 | 成都中浦科技有限公司 | A kind of semi-automatic sun energy module frame demolition machine |
| US11466707B2 (en) * | 2018-05-01 | 2022-10-11 | Kyb Corporation | Fluid leakage detection system and fluid pressure system |
| CN109571361A (en) * | 2019-01-18 | 2019-04-05 | 卞洪丽 | A kind of bridge motor bearings provision for disengagement |
| CN109571361B (en) * | 2019-01-18 | 2023-12-29 | 杭州美豪工具有限公司 | Bridge type motor bearing dismounting device |
| CN111168623A (en) * | 2020-01-16 | 2020-05-19 | 神华宝日希勒能源有限公司 | Disassembling tool for pushing motor gear |
| CN115008406A (en) * | 2022-08-10 | 2022-09-06 | 徐州保信密封件有限公司 | Sealing ring assembling device with steel skeleton structure of sealing bearing and using method |
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| Publication number | Publication date |
|---|---|
| CN104440758B (en) | 2017-01-04 |
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