CN105479139A - Pressing device for axlebox-free rolling bearing - Google Patents
Pressing device for axlebox-free rolling bearing Download PDFInfo
- Publication number
- CN105479139A CN105479139A CN201511019814.0A CN201511019814A CN105479139A CN 105479139 A CN105479139 A CN 105479139A CN 201511019814 A CN201511019814 A CN 201511019814A CN 105479139 A CN105479139 A CN 105479139A
- Authority
- CN
- China
- Prior art keywords
- bearing
- positioning guide
- oil cylinder
- guide column
- pressing device
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Abstract
A pressing device for an axlebox-free rolling bearing comprises a pressing sleeve, a press oil cylinder connector, a connecting pin shaft and a bearing positioning guide post. The bearing positioning guide post is connected onto a coupling. The pressing sleeve adopts a hollow pipe fitting, and sleeves the bearing positioning guide post. The press oil cylinder connector is positioned in the pressing sleeve, and is connected with one end of a press piston. The press oil cylinder connector can move in the pressing sleeve along with the end of the press piston. A guide groove is formed in the pressing sleeve. The connecting pin shaft penetrates through the guide groove to connect the press oil cylinder connector with the bearing positioning guide post. A through pin through hole is formed in the middle of the press oil cylinder connector. An insertion pin through hole is formed in the bearing positioning guide post. The connecting pin shaft penetrates through the guide groove, the through pin through hole and the insertion pin through hole to connect the press oil cylinder connector with the bearing positioning guide post. The pressing device is used in cooperation with a movable press, a pulling force of the movable press is reasonably converted into pressure on a bearing through the pressing device, the pressing operation of the bearing is realized, and the pressing device is convenient to operate and high in generality.
Description
Technical field
The invention belongs to rolling stock and field of mechanical technique, especially relevant with a kind of structure without axle box rolling bearing pressing device.
Background technology
Railway transportation is the important component part of China's communications and transportation, and for guaranteeing transportation safety, the process that press-fits of rolling stock rolling bearing has strict requirement.Goods train vehicle takes turns right axletree and bearing adopts interference fit, is assembled by pressure mode.At present, the fixed bearing special equipment of the many employings of bearing press mounting carries out, and special equipment appropriate products is single, and flexibility degree is lower, be difficult to meet Multi-varieties and Small-batch Production needs.
Summary of the invention
The invention provides a kind of without axle box rolling bearing pressing device, not enough to solve above-mentioned prior art, coordinate movable pressing machine to use, by the pressure that the pulling force reasonable conversion of movable pressing machine is to bearing by this device, what realize bearing press-fits work, easy to operate, highly versatile.
In order to realize object of the present invention, intend adopting following technology:
A kind of without axle box rolling bearing pressing device, it is characterized in that, be made up of gland, oil cylinder of press machine joint, connection bearing pin and bearing positioning guide column, wherein, bearing positioning guide column is connected on wheel, gland is hollow pipe fitting, be enclosed within bearing positioning guide column, oil cylinder of press machine joint is positioned at gland, and be connected with rampiston termination, oil cylinder of press machine joint can move in gland with rampiston termination, and gland has gathering sill, connects bearing pin and is connected with bearing positioning guide column by oil cylinder of press machine joint through gathering sill.
Wear pin through hole in the middle part of described oil cylinder of press machine joint, described bearing positioning guide column have latch through hole, connect bearing pin through gathering sill, wear pin through hole and with latch through hole, oil cylinder of press machine joint be connected with bearing positioning guide column.
Described bearing positioning guide column adopts bolts at axle end to be connected on wheel.
Described connection bearing pin is alloy material.
Described bearing positioning guide column is provided with fan groove.
The inside and outside footpath of described gland and length are arranged according to bearing with to the size of wheel.
Described bearing positioning guide column external diameter is arranged according to bearing bore diameter.
Described oil cylinder of press machine joint external diameter is less than bearing positioning guide column internal diameter.
The invention has the beneficial effects as follows:
1, this device coordinates movable pressing machine to use, adopt bearing positioning guide column location, by oil cylinder of press machine joint, to connect bearing pin, bearing positioning guide column and gland be pressure to bearing by the pulling force reasonable conversion of movable pressing machine, bearing inner race is acted on by gland, press-fit work with what realize bearing, it is easy to operate;
2, meet different bearing press mounting needs after the adjustment of cylinder structure gland internal-and external diameter, reliably light, its anufacturability is good, meets the bearing press mounting demand of different product, highly versatile;
3, connecting pin adopts alloy material, has good toughness and rigidity, effectively ensures the transmission of bearing press mounting power;
4, bearing positioning guide column and wheel are to bolts, and guide pillar is designed with fan groove, is the usage space of track wrench, effectively reduce positioning guide column weight simultaneously;
5, by connect bearing pin through gathering sill, wear pin through hole and with latch through hole, oil cylinder of press machine joint be connected with bearing positioning guide column, improve the flexibility degree of device;
6, this apparatus structure is reasonable, simple to operate, easy to use and reliable, adapts to Multi-varieties and Small-batch Production, can effectively reduce wheel shaft manufacturing cost.
Accompanying drawing explanation
Fig. 1 shows structural representation of the present invention.
Fig. 2 shows bearing positioning guide post structure schematic diagram of the present invention.
Fig. 3 shows the A-A sectional view in Fig. 2.
Detailed description of the invention
As shown in Figures 1 to 3, a kind of without axle box rolling bearing pressing device, by gland 1, oil cylinder of press machine joint 2, connection bearing pin 3 and bearing positioning guide column 4 form, wherein, bearing positioning guide column 4 is connected on wheel 6, gland 1 is hollow pipe fitting, be enclosed within bearing positioning guide column 4, oil cylinder of press machine joint 2 is positioned at gland 1, and be connected with rampiston termination 5, oil cylinder of press machine joint 2 can move in gland 1 with rampiston termination 5, gland 1 there is gathering sill 1-1, connect bearing pin 3 through gathering sill 1-1, oil cylinder of press machine joint 2 to be connected with bearing positioning guide column 4.
Concrete, pin through hole 2-1 is worn in the middle part of described oil cylinder of press machine joint 2, described bearing positioning guide column 4 has latch through hole 4-1, connect bearing pin 3 through gathering sill 1-1, wear pin through hole 2-1 and with latch through hole 4-1, oil cylinder of press machine joint 2 be connected with bearing positioning guide column 4.
Concrete, described oil cylinder of press machine joint 2 external diameter is less than bearing positioning guide column 4 internal diameter.
Preferably, described bearing positioning guide column 4 adopts bolts at axle end to be connected on wheel 6.
Preferably, described connection bearing pin 3 is alloy material, has stronger intensity and toughness, effectively ensures the transmission of bearing press mounting power.
Preferably, described bearing positioning guide column 4 is provided with fan groove 4-2, is the usage space of track wrench, effectively reduces positioning guide column weight simultaneously.
During use, bearing positioning guide column 4 is connected to on wheel 6, rolling bearing 8 to be press-fited is loaded by bearing positioning guide column 4, gland 1 is inserted in bearing positioning guide column 4, by oil cylinder of press machine joint 2 Bonding pressure machine piston termination 5, and oil cylinder of press machine joint 2 is placed in gland 1, adjustment oil cylinder of press machine joint 2 is to correct position, penetrate and connect bearing pin 3, through gathering sill 1-1, wear pin through hole 2-1 with latch through hole 4-1, oil cylinder of press machine joint 2 to be connected with bearing positioning guide column 4, start forcing press, by oil cylinder of press machine joint 2, connect bearing pin 3, the transmission of bearing positioning guide column 4 realizable force, make also to obtain pulling force to forcing press direction to wheel 6, relative, bearing 8 will obtain gland 1 to its pressure, act on bearing inner race 8-1 by gland 1 to press-fit, until bearing 8 reaches rear shelves 7, complete and press-fit.By being converted to by the pulling force of forcing press, press-fiting bearing is realized to the pressure of bearing inner race, easy to operate.
Concrete, the inside and outside footpath of described gland 1 and length are arranged according to bearing 8 with to the size of wheel 6, and described bearing positioning guide column 4 external diameter is according to the setting of bearing 8 internal diameter, and what device can be made to meet different bearing press-fits needs, highly versatile.
Structure of the present invention is simple, and anufacturability is good, can be widely used in railway freight-car manufacturing, uses in railway freight-car wheel shaft production process.
Claims (8)
1. one kind without axle box rolling bearing pressing device, it is characterized in that, by gland (1), oil cylinder of press machine joint (2), connect bearing pin (3) and bearing positioning guide column (4) composition, wherein, bearing positioning guide column (4) is connected on wheel (6), gland (1) is hollow pipe fitting, be enclosed within bearing positioning guide column (4), oil cylinder of press machine joint (2) is positioned at gland (1), and be connected with rampiston termination (5), oil cylinder of press machine joint (2) can move in gland (1) with rampiston termination (5), gland (1) there is gathering sill (1-1), connect bearing pin (3) through gathering sill (1-1), oil cylinder of press machine joint (2) to be connected with bearing positioning guide column (4).
2. according to claim 1 without axle box rolling bearing pressing device, it is characterized in that, pin through hole (2-1) is worn at described oil cylinder of press machine joint (2) middle part, described bearing positioning guide column (4) has latch through hole (4-1), connect bearing pin (3) through gathering sill (1-1), wear pin through hole (2-1) and with latch through hole (4-1), oil cylinder of press machine joint (2) be connected with bearing positioning guide column (4).
3. according to claim 1ly it is characterized in that without axle box rolling bearing pressing device, described bearing positioning guide column (4) adopts bolts at axle end to be connected on wheel (6).
4. according to claim 1ly it is characterized in that without axle box rolling bearing pressing device, described connection bearing pin (3) is alloy material.
5. according to claim 1ly it is characterized in that without axle box rolling bearing pressing device, described bearing positioning guide column (4) is provided with fan groove (4-2).
6. according to claim 1ly it is characterized in that without axle box rolling bearing pressing device, the inside and outside footpath of described gland (1) and length are arranged according to bearing (8) with to the size of wheel (6).
7. according to claim 1ly it is characterized in that without axle box rolling bearing pressing device, described bearing positioning guide column (4) external diameter is arranged according to bearing (8) internal diameter.
8. according to claim 1ly it is characterized in that without axle box rolling bearing pressing device, described oil cylinder of press machine joint (2) external diameter is less than bearing positioning guide column (4) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019814.0A CN105479139A (en) | 2015-12-29 | 2015-12-29 | Pressing device for axlebox-free rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019814.0A CN105479139A (en) | 2015-12-29 | 2015-12-29 | Pressing device for axlebox-free rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105479139A true CN105479139A (en) | 2016-04-13 |
Family
ID=55666595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511019814.0A Pending CN105479139A (en) | 2015-12-29 | 2015-12-29 | Pressing device for axlebox-free rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105479139A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284354A (en) * | 2007-12-25 | 2008-10-15 | 中国第一重型机械集团公司 | Large-sized bearing heat disassembling device |
| CN101811249A (en) * | 2009-07-28 | 2010-08-25 | 哈尔滨轨道交通装备有限责任公司 | Bearing dismounting device |
| CN202985047U (en) * | 2012-12-31 | 2013-06-12 | 南车株洲电机有限公司 | Motor bearing exit device |
| CN204248367U (en) * | 2014-11-27 | 2015-04-08 | 中国铝业股份有限公司 | A kind of strange good pump cross head bearing dismantling device |
| CN205254493U (en) * | 2015-12-29 | 2016-05-25 | 中车眉山车辆有限公司 | No axle box antifriction bearing pressure equipment device |
-
2015
- 2015-12-29 CN CN201511019814.0A patent/CN105479139A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284354A (en) * | 2007-12-25 | 2008-10-15 | 中国第一重型机械集团公司 | Large-sized bearing heat disassembling device |
| CN101811249A (en) * | 2009-07-28 | 2010-08-25 | 哈尔滨轨道交通装备有限责任公司 | Bearing dismounting device |
| CN202985047U (en) * | 2012-12-31 | 2013-06-12 | 南车株洲电机有限公司 | Motor bearing exit device |
| CN204248367U (en) * | 2014-11-27 | 2015-04-08 | 中国铝业股份有限公司 | A kind of strange good pump cross head bearing dismantling device |
| CN205254493U (en) * | 2015-12-29 | 2016-05-25 | 中车眉山车辆有限公司 | No axle box antifriction bearing pressure equipment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |
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| RJ01 | Rejection of invention patent application after publication |