CN208322633U - A kind of connecting pin press-fitting tool - Google Patents
A kind of connecting pin press-fitting tool Download PDFInfo
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- CN208322633U CN208322633U CN201820870219.0U CN201820870219U CN208322633U CN 208322633 U CN208322633 U CN 208322633U CN 201820870219 U CN201820870219 U CN 201820870219U CN 208322633 U CN208322633 U CN 208322633U
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- connecting pin
- hole
- bearing
- bottom plate
- box body
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Abstract
The utility model provides a kind of connecting pin press-fitting tool, including bottom plate, bearing box, positioning round table, ball bearing, thrust bearing, guide sleeve, jack and multiple contour pads；Bearing box includes lower box body and the upper cartridge body that is rotatably arranged on lower box body, and lower box body is equipped with stepped hole, and ball bearing and thrust bearing are separately positioned in stepped hole；The bottom of upper cartridge body is equipped with the axial rotating block for protruding into and matching in stepped hole and with ball bearing and thrust bearing；Positioning round table is arranged on the top surface of upper cartridge body, positioning round table, rotating block and stepped hole coaxial arrangement；Guide sleeve is fixed at the outside on bottom plate and being set in lower box body；Jack is fixedly connected with workbench, and the piston rod of jack is connected after running through bottom plate from the bottom up with lower box body；Multiple contour pads are provided at circumferentially spaced on bottom plate centered on positioning round table.The utility model can realize that primary wheel lifting can complete the press fitting of multiple connecting pins, reduce the frequency of use of overhead traveling crane, improve working efficiency.
Description
Technical field
The utility model relates to press-fitting tool technical fields, particularly, are related to a kind of connecting pin press-fitting tool.
Background technique
The wheel and connecting pin of existing locomotive are all interference fits, and wheel is needed with overhead traveling crane in assembly connection pin by vehicle
Wheel is hung on to be pressed on hydraulic press, because there is the multiple connecting pin bores for being in wheel different location respectively on wheel, is being pressed
It installs after needing to continue to be lifted wheel with overhead traveling crane after a connecting pin and turning an angle, then is pressed another connecting pin, it should
Operation, which exists, frequently uses overhead traveling crane, can not once lift the press fitting that can be continuously finished multiple connecting pins, cause working efficiency low
Under problem.The utility model has devised a kind of connecting pin press-fitting tool according to problems.
Utility model content
The utility model aim is to provide a kind of connecting pin press-fitting tool, is connected with solving wheel in the prior art in assembly
It is frequently lifted using overhead traveling crane when outbound, can not once lift the technical issues of being continuously finished the press fitting of multiple connecting pins.
To achieve the above object, the utility model provides a kind of connecting pin press-fitting tool, including bottom plate, bearing box, fixed
Circle of position platform, ball bearing, thrust bearing, guide sleeve, jack and multiple contour pads；The bearing box includes that lower box body and rotation are set
The upper cartridge body on lower box body is set, the lower box body is equipped with the stepped hole being gradually reduced from top to bottom, the ball bearing and thrust
Bearing is arranged in the stepped hole；The bottom of the upper cartridge body be equipped with it is axial protrude into the stepped hole and with the ball axis
Hold the rotating block matched with thrust bearing；The positioning round table is arranged on the top surface of the upper cartridge body, the positioning round table,
Rotating block and stepped hole coaxial arrangement；The guide sleeve is fixed on the bottom plate and is set in the outer of the lower box body
Side, to be oriented to moving up and down for bearing box；The piston rod of the jack run through from the bottom up after the bottom plate with institute
Lower box body is stated to be connected；Multiple contour pads are provided at circumferentially spaced on the bottom plate centered on the positioning round table.
Further, the connecting pin press-fitting tool further includes being limited for limiting the bearing box by the annular of top lifting height
The top of the guide sleeve, the internal diameter of the annular stop plate and the guide sleeve is arranged in position plate, the annular stop plate
Internal diameter is identical, and the radially inner side bottom of the annular stop plate is equipped with annular stop step；The outer diameter of the upper cartridge body is less than
The outer diameter of the lower box body, and the radial outside bottom of the upper cartridge body is equipped with annular compatible with the annular stop step
Limited block, the thickness of the ring limit block are less than the height of the annular stop step.
Further, the ring limit block with a thickness of the 1/2~2/3 of the annular stop step height.
Further, the stepped hole includes the first rank hole, second-order hole and third rank hole, and the ball bearing is arranged in institute
It states in the first rank hole, the thrust bearing is arranged in third rank hole.
Further, the top in first rank hole is equipped with the first guiding surface that top is inclined outwardly, the second-order
The second guiding surface that top is inclined outwardly is equipped between hole and third rank hole.
Further, the bottom plate is equipped with installation through-hole；The bottom of the lower box body is equipped with runs through the installation up and down
The mounting blocks of through-hole setting, the mounting blocks are equipped with the mounting groove for being connected with the jack.
Further, the jack is hydraulic jack, provides power, the work of the jack by air-driven hydraulic pump
Pressure is 1.7~8.6bar.
Further, the quantity of the multiple contour pad is 3, and 3 contour pads are centered on the positioning round table
Circumferentially it is disposed in an evenly spaced relation on the bottom plate.
Further, the bottom plate is equipped with the multiple hanging rings being easy to lift；It is also provided with and is easily installed on the bottom plate
Multiple U-shaped mounting grooves.
Compared with the prior art, the utility model has the following beneficial effects:
(1), the connecting pin press-fitting tool of the utility model, including bottom plate, bearing box, positioning round table, ball bearing, thrust axis
It holds, guide sleeve, jack and multiple contour pads；Bearing box includes relatively turnable lower box body and upper cartridge body, is set on lower box body
There is stepped hole, ball bearing and thrust bearing are separately positioned in stepped hole；The bottom of upper cartridge body is equipped with axial protrude into stepped hole
Rotating block；Positioning round table is co-axially located on the top surface of upper cartridge body.After being pressed a connecting pin, by jack by axis
It holds box and jacks certain altitude upwards, wheel is made to be detached from the support of contour pad, wheel is rotated by manpower, another by wheel connects
Outbound hole is gone to immediately below the pressure head of press machine, after bearing box and wheel are resetted by jack again, carry out next connecting pin
Press fitting, it can be achieved that wheel is once hung on workbench after, fast and easy complete wheel on multiple connecting pin bores connecting pin pressure
Dress reduces the frequency of use of overhead traveling crane, improves working efficiency.
(2), the connecting pin press-fitting tool of the utility model includes annular stop plate, which is arranged in guide sleeve
Top, for guide sleeve to be oriented to moving up and down for bearing box, limit plate is defined the top lifting height of bearing box,
The two cooperation can effectively prevent bearing box to occur deviation during jacking, jack high bad phenomenon, reasonable in design.
(3), the connecting pin press-fitting tool of the utility model, stepped hole include the first rank hole being coaxially disposed up and down, second
Rank hole and third rank hole, ball bearing are arranged in the first rank hole, and thrust bearing is arranged in third rank hole；Thrust bearing and rotation
The lower end two sides of block cooperate, the upper end two sides of ball bearing and rotating block；The structure moves collocation group using ball bearing and thrust bearing
It closes, so that bearing box can be born axial load by thrust bearing and bear radial load by ball bearing, so that wheel
It being capable of smooth rotation.
(4), the connecting pin press-fitting tool of the utility model, first guiding surface of top in the first rank hole, second-order hole with
The second guiding surface is equipped between third rank hole；The structure setting facilitates the installation of thrust bearing and ball bearing, and structure setting is closed
Reason.
(5), the connecting pin press-fitting tool of the utility model, bottom plate are equipped with the multiple hanging rings being easy to lift；On bottom plate also
Offer the multiple U-shaped mounting grooves being easily installed；It is carried convenient for the installation fixation and handling of entire connecting pin press-fitting tool.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the overlooking structure diagram of the utility model connecting pin press-fitting tool；
Fig. 2 is the A-A schematic cross-sectional view of the utility model connecting pin press-fitting tool；
Fig. 3 is enlarged diagram in Fig. 2；
Fig. 4 is the utility model connecting pin press-fitting tool and press machine fit structure schematic diagram；
Wherein, 1, bottom plate, 1.1, installation through-hole, 2, bearing box, 2.1, lower box body, 2.1a, stepped hole, 2.1b, mounting blocks,
2.1c, mounting groove, 2.2, upper cartridge body, 2.2a, rotating block, 2.2b, ring limit block, 3, positioning round table, 4, ball bearing, 5, thrust
Bearing, 6, guide sleeve, 7, jack, 8, contour pad, 9, annular stop plate, 9.1, annular stop step, 10, air-driven hydraulic pump,
11, press machine, 11.1, pressure head, 12, wheel, 13, connecting pin.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Benefit requires to limit and the multitude of different ways of covering is implemented.
Referring to Fig. 1 to Fig. 4, the utility model provides a kind of connecting pin press-fitting tool, connecting pin press-fitting tool setting
On the workbench of press machine 11；Connecting pin press-fitting tool includes bottom plate 1, bearing box 2, positioning round table 3, ball bearing 4, thrust axis
5, guide sleeve 6, jack 7, multiple contour pads 8, annular stop plate 9 and air-driven hydraulic pump 10 are held, specific structure is as follows:
Bearing box is cylindrical structure comprising lower box body 2.1 and upper cartridge body 2.2, lower box body, which is not fixed, to be arranged in bottom plate
On, the center of lower box body is equipped with the stepped hole 2.1a being gradually reduced from top to bottom, stepped hole include coaxial arrangement the first rank hole,
Second-order hole and third rank hole；The bottom of upper cartridge body is equipped with rotating block 2.2a, rotating block axially protrude into stepped hole and with ball axis
It holds and is matched with thrust bearing, so that upper cartridge body is rotatably provided in the top of lower box body.Specifically, thrust bearing setting is the
In three rank holes, bearing DNA releaxed circular DNA and the bench floor in third rank hole are close together, and the bottom end two sides of the tight ring of bearing and rotating block lean against
Together；Ball bearing is arranged in the first rank hole, and the side wall in bearing outer ring and the first rank hole is interference fitted, and bearing inner race, which is set in, to be turned
The outside of motion block, and its bottom is not in contact with the bench floor in the first rank hole.Upper cartridge body and ball bearing and thrust in the structure
The dynamic cooperation of bearing, bearing box can be born axial load by thrust bearing and bear radial load by ball bearing, so that
It being capable of smooth rotation when manpower rotates wheel.
Positioning round table is fixed on the top surface of upper cartridge body, is used for positioning wheel 12, positioning round table and rotating block and rank
Terraced hole coaxial arrangement, can be such that wheel rotates together as bearing box moves up certain distance followed by upper bearing (metal) box, be convenient for vehicle
Connecting hole on wheel goes to the underface of pressure head, and then is convenient for the press fitting of connecting pin 13.
In the present embodiment, the top in the first rank hole is equipped with the first guiding surface for being inclined outwardly of top, second-order hole with
The second guiding surface that top is inclined outwardly is equipped between third rank hole；The structure is conveniently pushed away by two guiding surfaces of setting
The installation of power bearing and ball bearing, structure setting are reasonable.
In the present embodiment, guide sleeve 6 is fixed at the outside on bottom plate and being set in lower box body, lower box body and guiding
Set is slidably matched, so that guide sleeve can be oriented to moving up and down for bearing box.Annular stop plate is arranged in the top of guide sleeve
9, for limited bearing box by top lifting height；The internal diameter of annular stop plate and the internal diameter of guide sleeve are identical, and annular stop plate
Radially inner side bottom be equipped with annular stop step 9.1；The outer diameter of upper cartridge body is less than the outer diameter of lower box body, and the radial direction of upper cartridge body
Exterior bottom is equipped with ring limit block 2.2b compatible with annular stop step, and the thickness of ring limit block is less than annular stop
The height of step.Preferably, ring limit block with a thickness of the 1/2~2/3 of annular stop step height.
In the present embodiment, the quantity of contour pad 8 is 3,3 contour pads circumferential uniform intervals centered on positioning round table
It is arranged on bottom plate；3 contour pads of the structure setting, so that wheel connecting pin stablizes support in press fitting, convenient for wheel.
In the present embodiment, bottom plate is equipped with installation through-hole 1.1, and the workbench of press machine is equipped with mutually fits with installation through-hole
The workbench through-hole matched.The bottom of lower box body is equipped with up and down through the mounting blocks 2.1b of installation through-hole setting, and mounting blocks are equipped with
Mounting groove 2.1c for being connected with jack.Jack 7 is arranged in the bottom of workbench and consolidates with the lower surface of workbench
Fixed connection, the piston rod of jack are connected after running through workbench through-hole and installation through-hole from the bottom up with the mounting groove of lower box body,
For bearing box to be jacked up；Specifically, jack is hydraulic jack, and provides power by air-driven hydraulic pump 10 for it, very heavy
The operating pressure on top is 1.7~8.6bar, thus air-driven hydraulic pump is enable to start under extremely low pressure, mitigates labour.
In the present embodiment, bottom plate is equipped with the multiple hanging rings 1.2 being easy to lift；It is also provided on bottom plate and to be easily installed
Multiple U-shaped mounting grooves 1.3 are carried convenient for the installation fixation and handling of entire connecting pin press-fitting tool.
When carrying out the press fitting of wheel pin using the connecting pin tooling of the utility model: tooling being installed to press machine first
On workbench, the wheel 12 of connecting pin to be pressed is hung on outbound press-fitting tool using overhead traveling crane, wheel is by being arranged in axis
It holds the positioning round table at the top of box to be positioned, and supports wheel by three contour pads；Air driven pump is connect with gas source again, then
When foot steps on air-driven hydraulic pump, air-driven hydraulic pump provides power, and hydraulic oil enters jack, and jack is started to work.Jack
Piston rod bearing box is jacked into certain altitude upwards, wheel with bearing box with moving up, so that wheel is detached from contour pad
Support, then wheel is rotated by manpower, (pressure head is equipped with so that the connecting pin bores in wheel goes to the pressure head 11.1 of press machine
Briquetting) immediately below；Foot, which steps on air-driven hydraulic pump, makes jack pressure release, and bearing box moves down, and wheel falls back to contour pad again.It is logical
Over-voltage press ram is pressed, and the connecting pin 13 being put in wheel connecting pin bores can be pressed on wheel.More than repeating
Process can be pressed next connecting pin, until all press fitting finishes whole connecting pins (same wheel).
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of connecting pin press-fitting tool, which is characterized in that including bottom plate (1), bearing box (2), positioning round table (3), ball bearing
(4), thrust bearing (5), guide sleeve (6), jack (7) and multiple contour pads (8)；The bearing box includes lower box body (2.1)
With the upper cartridge body (2.2) being rotatably arranged on lower box body, the lower box body is equipped with the stepped hole being gradually reduced from top to bottom
(2.1a), the ball bearing and thrust bearing are arranged in the stepped hole；The bottom of the upper cartridge body is equipped with axial protrude into
The rotating block (2.2a) matched in the stepped hole and with the ball bearing and thrust bearing；The positioning round table is arranged in institute
It states on the top surface of upper cartridge body, the positioning round table, rotating block and stepped hole coaxial arrangement；The guide sleeve is fixed at described
On bottom plate and it is set in the outside of the lower box body, to be oriented to moving up and down for bearing box；The piston of the jack
Bar is connected after running through the bottom plate from the bottom up with the lower box body；Multiple contour pads are all centered on the positioning round table
To being arranged at intervals on the bottom plate.
2. connecting pin press-fitting tool according to claim 1, which is characterized in that the connecting pin press-fitting tool further includes using
In limiting the bearing box by the annular stop plate (9) of top lifting height, the top of the guide sleeve is arranged in the annular stop plate
Portion, the internal diameter of the annular stop plate is identical as the internal diameter of the guide sleeve, and the radially inner side bottom of the annular stop plate
Equipped with annular stop step (9.1)；The outer diameter of the upper cartridge body is less than the outer diameter of the lower box body, and the radial direction of the upper cartridge body
Exterior bottom is equipped with ring limit block (2.2b) compatible with the annular stop step, and the thickness of the ring limit block is small
In the height of the annular stop step.
3. connecting pin press-fitting tool according to claim 2, which is characterized in that the ring limit block with a thickness of described
The 1/2~2/3 of annular stop step height.
4. connecting pin press-fitting tool according to claim 1, which is characterized in that the stepped hole includes the first rank hole, the
Second order hole and third rank hole, the ball bearing are arranged in first rank hole, and the thrust bearing is arranged in the third rank
In hole.
5. connecting pin press-fitting tool according to claim 4, which is characterized in that the top in first rank hole is equipped with top
The first guiding surface being inclined outwardly is equipped with top is inclined outwardly second and leads between the second-order hole and third rank hole
To inclined-plane.
6. connecting pin press-fitting tool according to claim 1, which is characterized in that the bottom plate is equipped with installation through-hole
(1.1)；The bottom of the lower box body is equipped with up and down on the mounting blocks (2.1b) of installation through-hole setting, the mounting blocks
Equipped with the mounting groove (2.1c) for being connected with the jack.
7. connecting pin press-fitting tool according to claim 1, which is characterized in that the jack is hydraulic jack, by
Air-driven hydraulic pump (10) provides power, and the operating pressure of the jack is 1.7~8.6bar.
8. connecting pin press-fitting tool according to claim 1, which is characterized in that the quantity of the multiple contour pad (8) is 3
A, 3 contour pads are circumferentially disposed in an evenly spaced relation on the bottom plate centered on the positioning round table.
9. connecting pin press-fitting tool according to claim 1, which is characterized in that the bottom plate is more equipped with being easy to lift
A hanging ring (1.2)；The multiple U-shaped mounting grooves (1.3) being easily installed are also provided on the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820870219.0U CN208322633U (en) | 2018-06-06 | 2018-06-06 | A kind of connecting pin press-fitting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820870219.0U CN208322633U (en) | 2018-06-06 | 2018-06-06 | A kind of connecting pin press-fitting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208322633U true CN208322633U (en) | 2019-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820870219.0U Active CN208322633U (en) | 2018-06-06 | 2018-06-06 | A kind of connecting pin press-fitting tool |
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| CN (1) | CN208322633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103003A (en) * | 2019-05-23 | 2019-08-09 | 天津泰威齿轮有限公司 | A kind of sub- tooling of efficient pressing |
-
2018
- 2018-06-06 CN CN201820870219.0U patent/CN208322633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103003A (en) * | 2019-05-23 | 2019-08-09 | 天津泰威齿轮有限公司 | A kind of sub- tooling of efficient pressing |
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