CN207087775U - A kind of handling instrument of bearing of the crank pin - Google Patents
A kind of handling instrument of bearing of the crank pin Download PDFInfo
- Publication number
- CN207087775U CN207087775U CN201720890573.5U CN201720890573U CN207087775U CN 207087775 U CN207087775 U CN 207087775U CN 201720890573 U CN201720890573 U CN 201720890573U CN 207087775 U CN207087775 U CN 207087775U
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- Prior art keywords
- bearing
- pressure ram
- fixed seat
- axle sleeve
- needle bearing
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of handling instrument of bearing of the crank pin, include the pressure ram for extruding needle bearing and the bottom plate for fixed crank, the first fixed seat for fixed crank, the second fixed seat and the mounting seat for setting up pressure ram are provided with the bottom plate；The passage passed through for needle bearing is provided with second fixed seat；The pressure ram is arranged on above passage；The pressure ram moves downward and promotes needle bearing to be slid in passage.Operator is separately fixed at the first axle sleeve of crank and the second axle sleeve in the first fixed seat and the second fixed seat, crank is fixed on bottom plate, operator pulls the top that pressure ram makes pressure ram be located at needle bearing, then pushing down on pressure ram makes pressure ram promote needle bearing to be slid in passage, needle bearing is separated with the second axle sleeve；It instead of in the prior art by the operating type of the dismounting bearing to expand with heat and contract with cold, operator is easier to the dismounting of needle bearing in the second axle sleeve.
Description
Technical field
Handling instrument is the utility model is related to, more specifically to a kind of handling instrument of bearing of the crank pin.
Background technology
Toggle is the reciprocating motion that the rotary motion of bent axle is changed into piston.
As shown in figure 1, crank 1 includes the first axle sleeve 11, the second axle sleeve 13 and the first axle sleeve 11 of connection and the second axle
The connecting rod 12 of set 13, the second axle sleeve 13 are connected with piston rotation, and the first axle sleeve 11 is fixedly connected on bent axle, after crank rotation
The reciprocating motion of piston is realized in the presence of crank 1.
In above-mentioned technical proposal, needle bearing 2 is provided with the second axle sleeve 13, the second axle sleeve is realized by needle bearing 2
13 are connected with piston rotation, and are interference fit between the axle sleeve 13 of needle bearing 2 and second, usually in installation and removal needle roller
, it is necessary to make the aperture of the second axle sleeve 13 become big the heating of second axle sleeve 13 during bearing 2, then needle bearing 2 is arranged on the second axle
In set 13, but in demolishing process, it is difficult to which realization is only heated to the second axle sleeve 13, and operator is difficult in the second axle sleeve 13
Needle bearing 2 is removed, and prior art has improvements.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is the dismounting work for providing a kind of crankshaft bearing
Tool, by setting the pressure ram along bearing axial slip on bottom plate, it is easy to operator and realizes needle bearing in the second axle sleeve
Installation and dismounting.
To achieve the above object, the utility model provides following technical scheme：A kind of handling instrument of bearing of the crank pin, bag
The bottom plate for fixed crank is included, first fixed seat corresponding with the first axle sleeve, the second axle sleeve is provided with the bottom plate
With the second fixed seat；The bottom plate is additionally provided with the pressure ram for extruding needle bearing and sets up the mounting seat of pressure ram；
The passage passed through for needle bearing is provided with second fixed seat；The pressure ram is arranged on above passage, described to squeeze
Depression bar moves downward and promotes needle bearing to be slid in passage.
By using above-mentioned technical proposal, the first axle sleeve of crank is separately fixed at first with the second axle sleeve and consolidated by operator
Reservation is with the second fixed seat, crank being fixed on bottom plate, operator pulls pressure ram pressure ram is located at needle bearing
Top, then pushing down on pressure ram makes pressure ram promote needle bearing to be slid in passage, makes needle bearing and the second axle sleeve
Separation；It instead of in the prior art by the operating type of the dismounting bearing to expand with heat and contract with cold, operator is easier to the second axle
The dismounting of needle bearing in set.
The utility model is further arranged to：The lower end of the pressure ram is provided with the extruding for abutting needle bearing
Part.
By using above-mentioned technical proposal, pressure ram promotes needle bearing by promoting extrusion, in actual use,
Because the diameter of needle bearing can have differences, different-diameter rolling can be achieved in the extrusion that operator need to only prepare different-diameter
The dismounting of needle bearing.
The utility model is further arranged to：The pressure ram be hydraulic cylinder piston rod, the extrusion and piston rod
End connection.
By using above-mentioned technical proposal, needle bearing is promoted to be slid in passage by the telescopic action of hydraulic cylinder, liquid
Cylinder pressure has the advantages of in light weight, small volume, motional inertia are small, reaction speed is fast, can be certainly after operator fixes crank
The dynamic dismounting for completing the second axle sleeve inner bearing.
The utility model is further arranged to：The pressure ram wears mounting seat, and coordinates with mounting seat screw thread.
By using above-mentioned technical proposal, pressure ram coordinates with mounting blocks screw thread, realized by way of screw-driven crowded
Depression bar is pressed down against and promotes needle bearing to be slid in passage, and the mode that pressure ram coordinates with installation screw thread reduces dismounting work
Complexity when tool design, use, it is easy to operator's use and later maintenance.
The utility model is further arranged to：The lower end of the pressure ram is provided with the connecting portion of dome-type, the extruding
Part offers the dome-type pit coordinated with connecting portion.
By using above-mentioned technical proposal, because the pressure ram by screw-driven can be sent out during extrusion is promoted
Raw to rotate, after dome-type sets connecting portion to coordinate with dome-type pit, connecting portion can rotate in the pit of dome-type, sphere
Between fitting make the downward thrust of pressure ram being applied in pit evenly, avoid the occurrence of local pressure it is excessive caused by shape
Become, ensure that the service life of extracting tool.
The utility model is further arranged to：One end horizontal connection of the pressure ram away from connecting portion has rotating bar.
By using above-mentioned technical proposal, because bearing interference is connected in the second axle sleeve, pressure ram is when promoting bearing
Need to provide larger power, operator makes pressure ram rotate by rotating bar, when increasing rotation pressure ram by rotating bar
Moment of torsion, operator is more preferably had an effect.
The utility model is further arranged to：Setting offers some for fixing determining for the first fixed seat on the bottom plate
Position hole, the distance between some positioning holes and the second fixed seat difference.
By using above-mentioned technical proposal, because the length of crank connecting rod has a difference, i.e. the first sleeve and second set
Spacing between cylinder is different, by having opened up positioning hole in advance on bottom plate and the first fixed seat being set in positioning hole, selection
First fixing hole of appropriate length is fixed on bottom plate with fixed crank, extracting tool is removed the crank of different model.
The utility model is further arranged to：First fixed seat, which includes, to be extended downwardly and is engaged by clamping with positioning hole
Access Division and upwardly extend and with the first axle sleeve socket socket part.
By using above-mentioned technical proposal, the first fixed seat lower end is fixed in positioning hole by Access Division, the first axle sleeve
It is fixed on by socket part in the first fixed seat, the first fixed seat is coordinated from different positioning holes, in actual use,
Operator can prepare the different socket part of diameter in advance, by change with different-diameter socket part the first fixed seat with
The first different sleeve of fit diameter, improve the scope of application of removal tool.
The utility model is further arranged to：Second fixed seat includes what is be arranged on passage circumference and upwardly extend
Annular boss, the inwall of the annular boss abut with the outer wall of second sleeve.
By using above-mentioned technical proposal, it is solid second that the annular boss abutted with second sleeve can limit second sleeve
Displacement in reservation, so as to ensure when pressure ram is promoting needle bearing, reduce position of the second sleeve in the second fixed seat
Shifting amount, reduce due to extruding the damage to needle bearing.
In summary, the utility model has the advantages that：
One, by setting on bottom plate some adapt to connect pole length apart from different positioning holes from the second fixed seat
Crank, add the use range of extracting tool；
Secondly, pressure ram slid on the second fixed seat axis direction, when dismantling bearing, enable bearing along second set
Axis direction translation is covered, avoids bearing edge from being extruded with the second axle sleeve；
Thirdly, pressure ram lower end set extrusion, pressure ram is by promoting extrusion to be uniformly applied to pressure
On bearing, bearing is avoided to be damaged in extrusion process.
Brief description of the drawings
Fig. 1 is the structural representation of crank；
Fig. 2 is the overall structure diagram of bearing of the crank pin extracting tool in embodiment 1；
Fig. 3 is the design of part schematic diagram of bearing of the crank pin extracting tool in embodiment 1；
Fig. 4 is the attachment structure schematic diagram of pressure ram and crushing block in embodiment 1；
Fig. 5 is the overall structure diagram of bearing of the crank pin extracting tool in embodiment 2.
In figure：1st, crank；11st, the first axle sleeve；12nd, connecting rod；13rd, the second axle sleeve；2nd, needle bearing；3rd, bottom plate；31st, it is fixed
Position hole；4th, the first fixed seat；41st, socket part；42nd, Access Division；5th, the second fixed seat；51st, annular boss；6th, passage；7th, install
Seat；71st, column；72nd, mounting blocks；8th, pressure ram；81st, connecting portion；9th, extrusion；91st, pit；10th, rotating bar；14th, hydraulic cylinder；
141st, cylinder body；142nd, piston rod；15th, cushion block.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：
As shown in Fig. 2 a kind of extracting tool of bearing of the crank pin, include the bottom plate 3 of rectangular setting, in the plate of bottom plate 3
The first fixed seat 4 and the second fixed seat 5 of rounded cavernous structure are provided with face, the first fixed seat 4 is in the second fixed seat 5
Hollow setting, the first axle sleeve 11 and the second axle sleeve 13 are socketed in the first fixed seat 4 and the second fixed seat 5 respectively, with reference to Fig. 3 institutes
Show, offer on bottom plate 3 and set from the second fixed seat 5 apart from different positioning holes 31, the first fixed seat 4 in cylindrical tube shape, the
One fixed seat 4 includes the Access Division 42 extended downwardly and the socket part upwardly extended 41, and Access Division 42 is fixed on fixed
In the hole 31 of position, the first axle sleeve 11 is fixed by socket on socket part 41；Second fixed seat, 5 cylindrical setting, the second fixed seat 5 are set
The annular boss 51 for the second axle sleeve of clamping 13 is equipped with, the second axle sleeve 13 is connected in cylinder and is connected to annular boss 51
On, annular boss 51 is provided centrally with the passage 6 passed through for needle bearing 2.
Mounting seat 7 is additionally provided with bottom plate 3, mounting seat 7 includes the column 71 extended straight up, the top of column 71
The mounting blocks 72 of strip are fixed with, mounting blocks 72 are located at the top of the second axle sleeve 13, and extracting tool also includes for promoting
The pressure ram 8 of the displacement of needle bearing 2, pressure ram 8 wear mounting blocks 72 vertically, and pressure ram 8 is threaded in one with mounting blocks 72
Rising, the length direction of pressure ram 8 is consistent with the axis of the second fixed seat 5, and the upper end level of pressure ram 8 is equipped with rotating bar 10,
Operator realizes the rotation of pressure ram 8 by rotating bar 10.
The bottom of pressure ram 8 is provided with extrusion 9, with reference to shown in Fig. 4,9 cylindrical setting of extrusion, extrusion 9
One end be provided with the pit 91 of dome-type, the lower end of pressure ram 8 is provided with the connecting portion 81 of dome-type, connecting portion 81 and pit
91 abut cooperation, and side of the extrusion 9 away from pit 91 is abutted with needle bearing 2, and pressure ram 8, which pushes down on extrusion 9, to be made to squeeze
Casting die 9 extrudes with needle bearing 2, so that needle bearing 2 departs from the second axle sleeve 13.
In order to which needle bearing 2 is arranged in the second axle sleeve 13, the pad for limiting the installation site of needle bearing 2 is provided with
Block 15, cushion block 15 are placed in the second fixed seat 4.
Specific implementation process：
First axle sleeve 11 of crank 1 and the second axle sleeve 13 are separately fixed at the first fixed seat 4 and second and fixed by operator
On seat 5, then extrusion 9 is placed in the second axle sleeve 13 and abutted with needle bearing 2；
Operator makes pressure ram 8 be moved downward in the presence of screw thread by rotating rotating bar 10, and operator turns in rotation
The relative position of extrusion 9 and pressure ram 8 is adjusted while lever 10, enters the hemispherical connecting portion 81 of the end of pressure ram 8
In the pit 91 for entering hemisphere setting；
After confirming that pressure ram 8 connects with extrusion 9, it is rotated further rotating bar 10 and rolling is promoted by the squeezing action of screw thread
Needle bearing 2 slides in passage 6, completes the dismounting of needle bearing 2 in the second axle sleeve 13.
For operator in the second axle sleeve 13 during installation needle bearing 2, cushion block 15 is placed in the second fixed seat 5 by operator, is squeezed
Depression bar 8 is extruded needle bearing 2 to second bearing set 13 by extrusion 9, completes the installation of needle bearing 2.
Embodiment 2：
The distinctive points of embodiment 2 and embodiment 1 are：Pressure ram 8 in embodiment 1 is the piston rod 142 of hydraulic cylinder 14.
As shown in figure 5, the restocking of mounting seat 7 is provided with hydraulic cylinder 14, side of the mounting blocks 72 away from bottom plate 3 is fixedly connected with liquid
The cylinder body 141 of cylinder pressure 14, stretch in cylinder body 141 and be provided with piston rod 142, the piston rod 142 of hydraulic cylinder 14 is arranged on the second axle
On the axis of set 13, for piston rod 142 along the axially vertically movable of the second axle sleeve 13, extrusion 9 is arranged on piston rod 142 away from cylinder
One end of body 141.
Specific implementation process：
First axle sleeve 11 of crank 1 and the second axle sleeve 13 are separately fixed at the first fixed seat 4 and second and fixed by operator
On seat 5, then make hydraulic cylinder 14 promote extrusion 9 to move downward, promote needle bearing 2 to exist by the impetus of hydraulic cylinder 14
Slid in passage 6, complete the dismounting or installation of needle bearing 2 in the second axle sleeve 13.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (9)
1. a kind of handling instrument of bearing of the crank pin, it is characterised in that include the bottom plate (3) for fixed crank (1), the bottom
First fixed seat (4) corresponding with the first axle sleeve (11), the second axle sleeve (13) and the second fixed seat (5) are provided with plate (3)；
The bottom plate (3) is additionally provided with the pressure ram (8) for extruding needle bearing (2) and sets up the mounting seat of pressure ram (8)
(7)；The passage (6) passed through for needle bearing (2) is provided with second fixed seat (5)；The pressure ram (8) is arranged on
Above passage (6), the pressure ram (8) moves downward and promotes needle bearing (2) to be slid in passage (6).
2. the handling instrument of a kind of bearing of the crank pin according to claim 1, it is characterised in that under the pressure ram (8)
End is provided with the extrusion (9) for abutting needle bearing (2).
3. the handling instrument of a kind of bearing of the crank pin according to claim 2, it is characterised in that the pressure ram (8) is liquid
The piston rod (142) of cylinder pressure (14), the extrusion (9) are connected with the end of piston rod (142).
4. the handling instrument of a kind of bearing of the crank pin according to claim 2, it is characterised in that the pressure ram (8) wears
Mounting seat (7), and coordinate with mounting seat (7) screw thread.
5. the handling instrument of a kind of bearing of the crank pin according to claim 4, it is characterised in that under the pressure ram (8)
End is provided with the connecting portion (81) of dome-type, and the extrusion (9) offers the dome-type pit coordinated with connecting portion (81)
(91)。
6. the handling instrument of a kind of bearing of the crank pin according to claim 5, it is characterised in that the pressure ram (8) is remote
One end horizontal connection of connecting portion (81) has rotating bar (10).
7. the handling instrument of a kind of bearing of the crank pin according to claim 1, it is characterised in that set on the bottom plate (3)
Offer some positioning holes (31) for being used to fix the first fixed seat (4), some positioning holes (31) and the second fixed seat (5)
The distance between difference.
A kind of 8. handling instrument of bearing of the crank pin according to claim 7, it is characterised in that first fixed seat (4)
Include extend downwardly and with positioning hole (31) be engaged by clamping Access Division (42) and upwardly extend and with the first axle sleeve (11)
The socket part (41) of socket.
A kind of 9. handling instrument of bearing of the crank pin according to claim 1, it is characterised in that second fixed seat (5)
Include the annular boss (51) for being arranged on passage (6) circumference and upwardly extending, the inwall and second of the annular boss (51)
The outer wall of axle sleeve (13) abuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890573.5U CN207087775U (en) | 2017-07-21 | 2017-07-21 | A kind of handling instrument of bearing of the crank pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890573.5U CN207087775U (en) | 2017-07-21 | 2017-07-21 | A kind of handling instrument of bearing of the crank pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207087775U true CN207087775U (en) | 2018-03-13 |
Family
ID=61545928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720890573.5U Active CN207087775U (en) | 2017-07-21 | 2017-07-21 | A kind of handling instrument of bearing of the crank pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207087775U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705285A (en) * | 2018-07-13 | 2018-10-26 | 中铝瑞闽股份有限公司 | A kind of machine row Coupling provision for disengagement and its working method |
| CN112692778A (en) * | 2020-11-30 | 2021-04-23 | 沪东重机有限公司 | Disassembling tool for top buffer piston of hydraulic piston |
| CN112743320A (en) * | 2018-11-19 | 2021-05-04 | 黄阳 | Automatic feeding pressing system and method |
-
2017
- 2017-07-21 CN CN201720890573.5U patent/CN207087775U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705285A (en) * | 2018-07-13 | 2018-10-26 | 中铝瑞闽股份有限公司 | A kind of machine row Coupling provision for disengagement and its working method |
| CN108705285B (en) * | 2018-07-13 | 2023-10-13 | 中铝瑞闽股份有限公司 | Disassembling device for machine socket connector and working method thereof |
| CN112743320A (en) * | 2018-11-19 | 2021-05-04 | 黄阳 | Automatic feeding pressing system and method |
| CN112692778A (en) * | 2020-11-30 | 2021-04-23 | 沪东重机有限公司 | Disassembling tool for top buffer piston of hydraulic piston |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201100 No. 100, Lane 2868, Sanlu Road, Pujiang Town, Minhang District, Shanghai Patentee after: Shanghai Yusheng Compression Machinery Co.,Ltd. Address before: 201100 No. 100, Lane 2868, Sanlu Road, Pujiang Town, Minhang District, Shanghai Patentee before: SHANGHAI YUSHENG COMPRESSION MACHINERY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |