CN104259815B - A kind of change speed gear box bearing dismounting tool - Google Patents
A kind of change speed gear box bearing dismounting tool Download PDFInfo
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- CN104259815B CN104259815B CN201410459024.3A CN201410459024A CN104259815B CN 104259815 B CN104259815 B CN 104259815B CN 201410459024 A CN201410459024 A CN 201410459024A CN 104259815 B CN104259815 B CN 104259815B
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- 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
- B23P19/025—For detaching only
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a kind of change speed gear box bearing dismounting tool, it includes a support plate, screw rod, support and base assembly, the central authorities wherein propping up support plate offer axially extending bore, screw rod this axially extending bore of traverse, and screw rod is positioned in the bar segment above a support plate and is rotary with nut, it is positioned in the bar segment below a support plate and is provided with base assembly；This base assembly includes the body laterally offering at least two pin-and-hole, with the dilatory pin being installed in described pin-and-hole, return spring is installed between described dilatory pin and described body, described return spring in the raw time, described dilatory pin inserts in the clearance groove between bearing block and bearing；Described support tray bottom is provided with at least three support, and is supported in bearing by described support, and each described support circumference is distributed in a described support plate.So, by above-mentioned change speed gear box bearing dismounting tool achieve change speed gear box bearing quick, safe, steadily dismantle, improve work efficiency, it is to avoid the damage of bearing and bearing block, improve resource utilization.
Description
Technical field
The present invention relates to vehicles processing auxiliary mould technical field, particularly relate to a kind of change speed gear box bearing dismounting tool.
Background technology
Pith as car transmissions, change speed gear box needs use a large amount of bearing, some bearing needs to be arranged on gear box casing, if and when disassembling change speed gear box, bearing is stayed on housing, it is unfavorable for the research and analysis to change speed gear box, therefore, when change speed gear box is disassembled, bearing thereon is removed by many requirements.And the fit system of bearing and gear box casing mostly is interference fit, bearing is relatively tight with coordinating of gear box casing, and the withdrawal space is less causes bearing to disassemble difficulty, at present the dismountings using simple special tooling to realize change speed gear box bearing more.
Above-mentioned bearing special tooling is the end pull bar with crozier, when dismounting, pull bar is stretched into the bearing block needing dismounting, owing to being provided with dismounting groove bottom bearing block, crozier is utilized to hook dismounting groove, and manually slowly lift pull bar small distance, then take out frock, frock is stretched into the opposite side of bearing block, crozier hooks the dismounting groove of bearing block opposite side, the opposite side of lift bearing block, so repeatedly, takes out bearing block.But, above-mentioned frock limitation is big, cannot dismantle for smaller bearing, and in double-clutch automatic gearbox, in order to realize good transmission performance, generally adopting taper roll bearing, the outer ring of this structure and inner ring are separated, bearing outer ring is fastened directly on bearing block by the mode of interference fit, uses traditional demounting tool to be relatively difficult to realize；Meanwhile, above-mentioned frock bearing unloading process is slow, and work efficiency is low, and careless manipulation is easy to damage bearing outer ring and bearing block, makes gear box casing and bearing lose the value of recycling, causes the waste of the resources of production.
Therefore it provides a kind of change speed gear box bearing dismounting tool so that it is it is capable of quick, the dismounting of change speed gear box bearing, improves work efficiency, it is to avoid the damage of bearing and bearing block, improve resource utilization, just become the problem that those skilled in the art need solution badly.
Summary of the invention
It is an object of the invention to provide a kind of change speed gear box bearing dismounting tool so that it is be capable of quick, the dismounting of change speed gear box bearing, improve work efficiency, it is to avoid the damage of bearing and bearing block, improve resource utilization.
To achieve these goals, the present invention provides a kind of change speed gear box bearing dismounting tool, screw rod including the support plate and the described axially extending bore of traverse that offer axially extending bore, described screw rod is positioned in the bar segment above a described support plate and is rotary with nut, and it is positioned in the bar segment below a described support plate and is provided with base assembly；Described base assembly includes the body laterally offering at least two pin-and-hole, with the dilatory pin being installed in described pin-and-hole, return spring is installed between described dilatory pin and described body, described return spring in the raw time, described dilatory pin inserts in the clearance groove of bearing block and bearing；Described support tray bottom is provided with at least three support, and is supported in bearing by described support, and each described support circumference is distributed in a described support plate；
Offering radial slot on described support plate, described support is removably mountable to described radial slot by slide block bolt, and described bracket slide is installed on described radial slot.
Preferably, described base assembly also includes pulling axis；Described body offers pulling axis hole, and described pulling axis hole is axially extending along described dilatory pin, and the fixing end of described pulling axis is installed on described dilatory pin, and its free end is through described pulling axis hole, and is placed on described body.
Preferably, described base assembly also includes snap ring, and described snap ring is set in described dilatory pin, and is installed on the inner of described pin-and-hole.
Preferably, described radial slot has multiple, and each described radial slot circumferential radiation shape is distributed in a described support plate, and the quantity of described radial slot is more than the quantity of described support.
Preferably, described radial slot is that the head of described slide block bolt is installed in the end difference of described step trough axially in stepped step trough.
Preferably, described support includes the first bar segment and the second bar segment, and described first bar segment and described second bar segment are removably connected.
Preferably, the axial length of described first bar segment is more than the axial length of described second bar segment.
Preferably, described support includes the first bar segment and the second bar segment, and described first bar segment is set in described second bar segment, and is axially telescopically installed on described second bar segment.
Preferably, described nut is hex-head nut.
Change speed gear box bearing dismounting tool provided by the invention, including a support plate, screw rod, support and base assembly, the central authorities wherein propping up support plate offer axially extending bore, screw rod this axially extending bore of traverse, and screw rod is positioned in the bar segment above a support plate and is rotary with nut, it is positioned in the bar segment below a support plate and is provided with base assembly；This base assembly includes the body laterally offering at least two pin-and-hole, with the dilatory pin being installed in described pin-and-hole, return spring is installed between described dilatory pin and described body, described return spring in the raw time, described dilatory pin inserts in the clearance groove between bearing block and bearing；Described support tray bottom is provided with at least three support, and is supported in bearing by described support, and each described support circumference is distributed in a described support plate.
In work process, selecting the position that can support according to the section structure of bearing block, frock is supported in bearing by supporting at least three support of tray bottom；Mount is complete, slowly base assembly is sent in bearing outer ring by rotary screw, in this process, dilatory pin forces spring-compressed along with the thrust of bearing inner race or bearing outer ring, thus dilatory pin being advanced in the pin-and-hole of body, when base assembly is in place, dilatory pin can eject under the effect of the restoring force of spring, and insert in the clearance groove preset between bearing block and bearing, then tightening nut, when rotating to precalculated position due to nut, its lower surface and the upper surface propping up support plate fit, when then continuing tightening nut, screw rod moves upward relative to nut, thus driving base assembly and bearing to move upward, and then utilize tightening force to be pulled out from bearing block by bearing.So, by above-mentioned change speed gear box bearing dismounting tool achieve change speed gear box bearing quick, safe, steadily dismantle, improve work efficiency, it is to avoid the damage of bearing and bearing block, improve resource utilization.
In a preferred embodiment, change speed gear box bearing dismounting tool provided by the present invention, its base assembly also includes pulling axis；Specifically, body offers pulling axis hole, and described pulling axis hole is axially extending along described dilatory pin, and the fixing end of described pulling axis is installed on described dilatory pin, and its free end is through described pulling axis hole, and is placed on described body.When the bearing of dismounting is without bearing outer ring, in the process of pedestal for placed assembly, then need manually to pull pulling axis, make dilatory pin in the pin-and-hole of indentation body under the drive of pulling axis, after base assembly is in place, unclamp pulling axis, in the clearance groove making dilatory pin eject under the action of the spring and to insert between bearing block and bearing, then tightening nut, utilize tightening force bearing, bearing outer ring to be pulled out from bearing base；So, when bearing does not have bearing outer ring, it is to avoid dilatory pin and bearing roller interfere and clamping stagnation, thus improve the performance of harness.
In another preferred embodiment, change speed gear box bearing dismounting tool provided by the present invention, its support includes the first bar segment and the second bar segment, and described first bar segment and described second bar segment are removably connected；So, when dismantling the bearing of different size and installation site, it is possible to by selecting the first bar segment or the second bar segment or the height of both Binding change supports, thus selecting suitable Support Position for harness, and then improve the harness suitability under different operating modes.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of detailed description of the invention of change speed gear box bearing dismounting tool provided by the present invention；
Fig. 2 is the exploded view of a kind of detailed description of the invention of base assembly in frock shown in Fig. 1；
Fig. 3 is the structural representation of a kind of detailed description of the invention of support plate in frock shown in Fig. 1；
Fig. 4 is the structural representation of a kind of detailed description of the invention of frock medium-height trestle shown in Fig. 1.
Description of reference numerals:
1-nut 2-slide block bolt 3-screw rod 4-support 5-body 6-dilatory pin 7-snap ring
8-return spring 9-pulling axis 10-radial slot 11-props up support plate
41-the first bar segment 42-the second bar segment
Detailed description of the invention
The core of the present invention is to provide a kind of change speed gear box bearing dismounting tool so that it is be capable of quick, the dismounting of change speed gear box bearing, improves work efficiency, it is to avoid the damage of bearing and bearing block, improves resource utilization.
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with accompanying drawing, the present invention is further detailed.
Refer to the structural representation that Fig. 1 and Fig. 2, Fig. 1 are a kind of detailed description of the invention of change speed gear box bearing dismounting tool provided by the present invention；Fig. 2 is the exploded view of a kind of detailed description of the invention of base assembly in frock shown in Fig. 1.
In a kind of detailed description of the invention, change speed gear box bearing dismounting tool provided by the invention, including a support plate 11, screw rod 3, support 4 and base assembly, the central authorities wherein propping up support plate 11 offer axially extending bore, screw rod 3 this axially extending bore of traverse, and screw rod 3 is positioned in the bar segment above a support plate 11 and is rotary with nut 1, it is positioned in the bar segment below a support plate 11 and is provided with base assembly；This base assembly includes the body 5 laterally offering at least two pin-and-hole, with the dilatory pin 6 being installed in described pin-and-hole, between described dilatory pin 6 and described body 5, return spring 8 is installed, described return spring 8 in the raw time, described dilatory pin 6 inserts in the clearance groove between bearing block and bearing；Being provided with at least three support 4 bottom described support plate 11, and be supported in bearing by described support 4, each described support 4 circumference is distributed in a described support plate 11.
Above-mentioned axially extending bore is also not limited to be opened in the central authorities of a support plate 11, it is also possible to suitably eccentric setting.Screw rod 3 can be Full threaded rod, it is also possible to for only offering screw thread in the movement travel of nut 1.Additionally, it is well known that ground, bearing is cirque structure, therefore, in order to bearing external shape fits, body 5 cross section of above-mentioned base assembly is also rounded.
The lower end of above-mentioned screw rod 3 and the concrete mounting means of base assembly can be offer screwed hole on body 5, and the connecting portion at screw rod 3 with body 5 offers external screw thread, realized the connection of screw rod 3 and body 5 by the cooperation of internal and external threads.It is apparent that screw rod 3 can also use conventional use of fixing connected mode in this area to be connected with base assembly, for instance clamping etc..
Specifically, above-mentioned support 4 can be three, it is also possible to more than three, as long as the effect supporting whole harness can be played.Support 4 can be steel cylindrical tube, it is also possible to for rectangular tube or triangle tube etc..
In order to suitable with existing conventional screwing tool, above-mentioned nut 1 is preferably hex-head nut.It is apparent that can also be the form such as octagonal head nut or corner head nut.
In work process, selecting the position that can support according to the section structure of bearing block, frock is supported in bearing by least three support 4 bottom a support plate 11；Support 4 is laid complete, slowly base assembly is sent in bearing outer ring by rotary screw 3, in this process, dilatory pin 6 forces spring-compressed along with the thrust of bearing inner race or bearing outer ring, thus dilatory pin 6 being advanced in the pin-and-hole of body 5, when base assembly is in place, dilatory pin 6 can eject under the effect of the restoring force of spring, and insert in the clearance groove preset between bearing block and bearing, then tightening nut 1, when rotating to precalculated position due to nut 1, its lower surface and the upper surface propping up support plate 11 fit, when then continuing tightening nut 1, screw rod 3 moves upward relative to nut 1, thus driving base assembly and bearing to move upward, and then utilize tightening force to be pulled out from bearing block by bearing.So, by above-mentioned change speed gear box bearing dismounting tool achieve change speed gear box bearing quick, safe, steadily dismantle, improve work efficiency, it is to avoid the damage of bearing and bearing block, improve resource utilization.
Further, as in figure 2 it is shown, above-mentioned base assembly also includes pulling axis 9；Specifically, body 5 offers pulling axis hole, and described pulling axis hole is axially extending along described dilatory pin 6, and the fixing end of described pulling axis 9 is installed on described dilatory pin 6, and its free end is through described pulling axis hole, and is placed on described body 5.When the bearing of dismounting is without bearing outer ring, then need manually to pull pulling axis 9 in the process of pedestal for placed assembly, make dilatory pin 6 in the pin-and-hole of indentation body 5 under the drive of pulling axis 9, after base assembly is in place, unclamp pulling axis 9, in the clearance groove making dilatory pin 6 eject under the action of the spring and to insert between bearing block and bearing, then tightening nut 1, utilize tightening force bearing, bearing outer ring to be pulled out from bearing base；So, when bearing does not have bearing outer ring, it is to avoid dilatory pin 6 interferes and clamping stagnation with bearing roller, thus improve the performance of harness.
In order to improve the installation reliability of dilatory pin 6 and spring, described base assembly also includes snap ring 7, and described snap ring 7 is set in described dilatory pin 6, and is installed on the inner of described pin-and-hole.
Further, as it is shown on figure 3, offer radial slot 10 on described support plate 11, described support 4 is removably mountable to described radial slot 10 by slide block bolt 2, and described support 4 radially slides and is installed on described radial slot 10；So, it is not only convenient for the dismounting of support 4 and a support plate 11, and support 4 can radially slide by groove 10, it is simple to support 4 selects suitable fixed position flexibly.
Above-mentioned radial slot 10 can be provided with multiple, each described radial slot 10 circumferential radiation shape is distributed in a described support plate 11, and the quantity of described radial slot 10 is more than the quantity of described support 4, so, the radial slot 10 that support 4 can also pass through to select to install selects suitable fixed position further, expands the use scope of harness further.
Specifically, above-mentioned radial slot 10 is that the head of described slide block bolt 2 is installed in the end difference of described step trough, and the mode coordinated with bolt head by this kind of step trough realizes the connection of slide block bolt 2 axially in stepped step trough, structure is relatively simple, and easy accessibility.It is apparent that slide block bolt 2 is not limited to this kind of mode is installed on radial slot 10, for instance, it is also possible in radial slot 10, offer some screwed holes, and the mode being threaded connection installs slide block bolt 2.
In above-mentioned detailed description of the invention, as shown in Figure 4, support 4 provided by the present invention includes the first bar segment 41 and the second bar segment 42, and described first bar segment 41 is removably connected with described second bar segment 42；So, when dismantling the bearing of different size and installation site, can passing through to select the height of the first bar segment 41 or the second bar segment 42 or both Binding change supports 4, thus selecting suitable Support Position for harness, and then improve the harness suitability under different operating modes.
Specifically, it is possible to make the axial length axial length more than the second bar segment 42 of above-mentioned first bar segment 41, to expand the range of choice.It is apparent that support 4 is also not limited to only include the first bar segment 41 and the second bar segment 42, it can also include more Multi section bar section, specifically can determine according to actually used situation.
The removable connected mode of the first bar segment 41 and the second bar segment 42 can be specially, two bar segment are disposed as cylindrical shape, first bar segment 41 offers external screw thread, the second bar segment 42 is offered the female thread coordinated with this external screw thread, and realizes connecting by the cooperation of internal and external threads.Both can also select other removable connected modes, for instance suit or clamping etc..
Above-mentioned support 4 can also be Telescopic rod structure, and namely the first bar segment 41 is set in the second bar segment 42, and is axially telescopically installed on described second bar segment 42.The scalable connection of the first bar segment 41 and the second bar segment 42 is specifically as follows, and offers hole, location respectively, when two bar segment relative motioies are to appropriate location, determined the length of two bar segment by alignment pin in two bar segment.As such, it is possible to according to using the length needing to change support 4.
Below some one exemplary embodiment of the present invention is only described by the mode of explanation, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, it is possible to by various different modes, described embodiment is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (9)
1. a change speed gear box bearing dismounting tool, it is characterized in that, screw rod (3) including the support plate (11) and the described axially extending bore of traverse that offer axially extending bore, described screw rod (3) is positioned in the bar segment of described support plate (11) top and is rotary with nut (1), and it is positioned in the bar segment of described support plate (11) lower section and is provided with base assembly；Described base assembly includes the body (5) laterally offering at least two pin-and-hole, with the dilatory pin (6) being installed in described pin-and-hole, return spring (8) is installed between described dilatory pin (6) and described body (5), described return spring (8) in the raw time, described dilatory pin (6) is inserted in the clearance groove of bearing block and bearing；Described support plate (11) bottom is provided with at least three support (4), and is supported in bearing by described support (4), and each described support (4) circumference is distributed in a described support plate (11)；
Described support plate (11) offers radial slot (10), described support (4) is removably mountable to described radial slot (10) by slide block bolt (2), and described support (4) is slidably mounted on described radial slot (10).
2. change speed gear box bearing dismounting tool according to claim 1, it is characterised in that described base assembly also includes pulling axis (9)；Described body (5) offers pulling axis hole, described pulling axis hole is axially extending along described dilatory pin (6), the fixing end of described pulling axis (9) is installed on described dilatory pin (6), its free end is through described pulling axis hole, and is placed on described body (5).
3. change speed gear box bearing dismounting tool according to claim 2, it is characterised in that described base assembly also includes snap ring (7), described snap ring (7) is set in described dilatory pin (6), and is installed on the inner of described pin-and-hole.
4. change speed gear box bearing dismounting tool according to claim 1, it is characterized in that, described radial slot (10) has multiple, each described radial slot (10) circumferential radiation shape is distributed in a described support plate (11), and the quantity of described radial slot (10) is more than the quantity of described support (4).
5. change speed gear box bearing dismounting tool according to claim 4, it is characterised in that described radial slot (10) is that the head of described slide block bolt (2) is installed in the end difference of described step trough axially in stepped step trough.
6. the change speed gear box bearing dismounting tool according to any one of claims 1 to 3, it is characterized in that, described support (4) includes the first bar segment (41) and the second bar segment (42), and described first bar segment (41) and described second bar segment (42) are removably connected.
7. change speed gear box bearing dismounting tool according to claim 6, it is characterised in that the axial length of described first bar segment (41) is more than the axial length of described second bar segment (42).
8. the change speed gear box bearing dismounting tool according to any one of claims 1 to 3, it is characterized in that, described support (4) includes the first bar segment (41) and the second bar segment (42), described first bar segment (41) is set in described second bar segment (42), and is axially telescopically installed on described second bar segment (42).
9. the change speed gear box bearing dismounting tool according to any one of claims 1 to 3, it is characterised in that described nut (1) is hex-head nut.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410459024.3A CN104259815B (en) | 2014-09-10 | 2014-09-10 | A kind of change speed gear box bearing dismounting tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410459024.3A CN104259815B (en) | 2014-09-10 | 2014-09-10 | A kind of change speed gear box bearing dismounting tool |
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| CN104259815A CN104259815A (en) | 2015-01-07 |
| CN104259815B true CN104259815B (en) | 2016-07-06 |
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| CN108406670B (en) * | 2018-04-16 | 2020-07-17 | 浙江工贸职业技术学院 | Gearbox bearing dismantles frock |
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| Publication number | Publication date |
|---|---|
| CN104259815A (en) | 2015-01-07 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |