CN204148890U - For the positioning compression device of gearbox back casing - Google Patents
For the positioning compression device of gearbox back casing Download PDFInfo
- Publication number
- CN204148890U CN204148890U CN201420573751.8U CN201420573751U CN204148890U CN 204148890 U CN204148890 U CN 204148890U CN 201420573751 U CN201420573751 U CN 201420573751U CN 204148890 U CN204148890 U CN 204148890U
- Authority
- CN
- China
- Prior art keywords
- back casing
- positioning
- gearbox back
- hold
- backstay
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of clamp for machining of gear box casing, refer more particularly to a kind of positioning compression device for gearbox back casing, comprise positioning pedestal, detent mechanism and hold-down mechanism, detent mechanism and hold-down mechanism are all located on positioning pedestal, it is characterized in that, positioning pedestal is also provided with the clamping device for compressing housing upper, the fastening screw that described detent mechanism comprises float positioning device and matches with gearbox back casing installing hole, hold-down mechanism comprises oil gag and compresses supporting seat, the virtual route of the working face of described hold-down mechanism and detent mechanism and the crooked route of gearbox back casing end face edge to be processed match, mainly solving in prior art by implementing the utility model, adding man-hour, because positioning compression is insufficient carrying out reaming to automobile gearbox back casing, housing upper is not clamped, cause housing upper horizontal vibration, make the axis hole that processes uneven, cause eccentric problem.
Description
Technical field
The utility model relates to a kind of clamp for machining of gear box casing, refers more particularly to a kind of positioning compression device for gearbox back casing.
Background technology
Speed changer to fix or stepping changes the gear drive of output shaft and power shaft gearratio, also known as gearbox.Speed changer is made up of transmission mechanism and gear, can be made into independent gear or attaches together in same housing with transmission mechanism, being generally made up of procapsid and rear box.Usually, in order to strengthen the intensity of gearbox, gear box casing is provided with uniform reinforcement.In addition, the face that described adjacent two housings is connected is called hinge face, and the outward flange in this hinge face is irregular shape, and on hinge face, be provided with several installing hole for being fixedly connected with, and the middle part of housing is also provided with the axis hole bearing travelling gear.
Along with the performance requirement of people to automobile is more and more higher, also more and more higher to the requirement on machining accuracy of auto-parts.In the processing of gear box casing, because the counterface of gearbox procapsid and back casing is very accurate, need higher machining accuracy.Add man-hour carrying out reaming to gearbox back casing, need to position compression to it, again processing process is carried out to it, at present, in fixture to the positioning compression of gearbox back casing, hydraulic cylinder is only adopted to compress it, the shortcoming of adopting in this way is: add man-hour in housing reaming, only carry out compressing location to the hinge face of lower housing portion, and its top cannot be fixed, thus adding man-hour in reaming, it is uneven that its top can produce the axis hole that horizontal vibration makes to process, and causes eccentric problem.Thus affect the transmission performance of automobile.
Utility model content
The purpose of this utility model solves in prior art, adds man-hour, because positioning compression is insufficient carrying out reaming to automobile gearbox back casing, housing upper is not clamped, cause housing upper horizontal vibration, make the axis hole that processes uneven, cause eccentric problem.
In order to solve the problems of the technologies described above, the utility model provides a kind of positioning compression device for gearbox back casing, comprise positioning pedestal, detent mechanism and hold-down mechanism, detent mechanism and hold-down mechanism are all located on positioning pedestal, positioning pedestal is also provided with the clamping device for compressing housing upper, the fastening screw that described detent mechanism comprises float positioning device and matches with gearbox back casing installing hole, hold-down mechanism comprises oil gag and compresses supporting seat, the virtual route of the working face of described hold-down mechanism and detent mechanism and the crooked route of gearbox back casing end face edge to be processed match,
Described clamping device comprises installing rack, transmission mechanism and clamp, transmission mechanism is arranged on installing rack, described transmission mechanism comprises power transmission shaft and hand lever, the middle part of hand lever is hinged on installing rack, bottom and the power transmission shaft of hand lever are hinged, the free end of power transmission shaft is connected with clamp, and clamp is provided with the boss for clamping reinforcement, installing rack is also provided with for the slide rail of power transmission shaft horizontal slip and the lock piece for locking hand lever.
Adopt technique scheme, in actual applications, be put in by gearbox back casing on this fixture, two fastening screws on fixture navigate in the installing hole of housing opposite ends respectively, then position its both sides.First float support seat supports back casing, and backstay is floated through the installing hole on hinge face in first of the first float support seat inside, has carried out effective location further to the horizontal direction of housing.Start oil gag, hydraulic cylinder piston rod promotes pressure strip and moves upward, the free end of pressure strip is rotated down around the pin joint of pressure strip and fixed head, thus the compression in vertical direction is carried out to back casing, so just achieve the compression of the level to lower housing portion hinge face, vertical direction.
Pull the hand lever of two clamping devices, hand lever drives power transmission shaft to housing direction horizontal movement, clamp on power transmission shaft also moves thereupon, boss stretches among the space between housing two reinforcement and carries out left and right clamping, because the crooked radian of clamp and the space radian of housing outer surface match, thus housing is wrapped among clamp firmly, complete the accurate location clamping to housing upper.So, compression is positioned to lower housing portion and top simultaneously, add man-hour in reaming, effectively reduce the Oscillation Amplitude of housing, ensured housing machining accuracy.
Further, described oil gag comprises oil hydraulic cylinder, fixed head and pressure strip, the power transmission shaft of oil hydraulic cylinder and one end of pressure strip hinged, fixed head one end is fixed on oil hydraulic cylinder, the other end and pressure strip hinged, the free end of pressure strip is provided with a compact heap, and this compact heap is positioned at and compresses on supporting seat.
Further, described float positioning device comprises the first float support seat, flexible member, first floating backstay and the fixed handle of hollow, first float support seat is fixedly mounted on positioning pedestal, flexible member is provided with in first float support seat, the first floating backstay is flexibly connected on flexible member, this corresponding two side of the first floating backstay is provided with draw-in groove, the corresponding two side of first float support seat is provided with groove, and fixed handle navigates to first by groove and floats in the draw-in groove of backstay.When positioning gearbox back casing, the first float support seat supports on the one hand, and the first floating backstay positions it through the installing hole on hinge face on the other hand.Its elastic element can play the object of quick position to the first floating backstay.And by screwing fixed handle, adjust the position of the first floating backstay.
Further, described first one of them draw-in groove floating backstay is the triangular groove of point upward.When fixed handle being screwed to certain position in triangular groove, because triangular groove is up-small and down-big structure, make first float backstay can not slide downward, thus better secure first and to float backstay.
Further, transmission mechanism is two, and is symmetrically set on positioning pedestal.Thus back casing both sides are compressed, reduce hull vibration amplitude.
Further, the mating shapes between the shape of described boss two reinforcements adjacent with housing, thus in clamping work, the boss on clamp can fully be affixed tactile with two reinforcements, further reduces the Oscillation Amplitude of housing.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model for the positioning compression device of gearbox back casing;
Fig. 2 is the front view of the utility model for the positioning compression device of gearbox back casing;
Fig. 3 is for the utility model is for the clamping device structural representation of the positioning compression device of gearbox back casing.
Detailed description of the invention
Reference numeral during accompanying drawing illustrates is: positioning pedestal 1; Float positioning device 2; Clamping device 3; Oil gag 4; Fixed handle 5; First floating backstay 6; First float support seat 7; Fastening screw 8; Installing rack 21; Hand lever 22; Power transmission shaft 23; Clamp 24; Boss 25; Slide rail 26.
As shown in Figure 1, the technical program provides a kind of positioning compression device for gearbox back casing, comprise positioning pedestal 1, detent mechanism and hold-down mechanism, positioning pedestal 1 is also provided with two for compressing the clamping device 3 of housing upper, and two clamp systems symmetrical be arranged on housing both sides.Detent mechanism and hold-down mechanism are three, and bolt is connected on positioning pedestal 1, described detent mechanism comprises float positioning device 2 and is fixedly connected on positioning pedestal 1 with two fastening screws 8, two fastening screw 8 symmetry that gearbox back casing installing hole matches.Hold-down mechanism comprises oil gag 4 and compresses supporting seat, and the crooked route of the work virtual route between described hold-down mechanism and each parts of detent mechanism and gearbox back casing end face edge to be processed matches.
Described clamping device 3 comprises installing rack 21, transmission mechanism and clamp 24, transmission mechanism is arranged on installing rack 21, installing rack 21 cross section is " L " shape cell body, its bottom land is provided with the slide rail 26 slided for power transmission shaft 23, and cell wall is provided with hook for locking hand lever 22 and steady pin.Described transmission mechanism comprises power transmission shaft 23 and hand lever 22, and the middle part of hand lever 22 has the strip hole slided for steady pin.Hand lever is hinged on the cell wall of installing rack 21 by steady pin, bottom and the power transmission shaft 23 of hand lever 22 are hinged, the free end of power transmission shaft 23 is connected with clamp 24, and clamp 24 matches with the radian of housing phase-contact surface and the space radian of housing outer surface.Clamp 24 is provided with the boss 25 for clamping reinforcement, and the mating shapes between the shape of boss 25 two reinforcements adjacent with housing.
Described oil gag 4 comprises oil hydraulic cylinder, fixed head and pressure strip, the power transmission shaft 23 of oil hydraulic cylinder is hinged with one end of pressure strip, fixed head one end is fixed on oil hydraulic cylinder, the other end and pressure strip hinged, the free end of pressure strip is provided with a compact heap, and this compact heap is positioned at the top compressing supporting seat;
Described float positioning device 2 comprises the first float support seat 7, flexible member, first floating backstay 6 and the fixed handle 5 of hollow, first float support seat 7 is fixedly mounted on positioning pedestal 1, flexible member is provided with in first float support seat 7, the first floating backstay 6 is flexibly connected on flexible member, this first floating corresponding two side of backstay 6 has draw-in groove, the first corresponding two side of float support seat 7 is provided with groove, and fixed handle 5 navigates to first by groove and floats in the draw-in groove of backstay 6.
In actual applications, the virtual route that surrounds of the upper surface of the first float support seat 7 of two fastening screws 8 of detent mechanism and the upper surface of three float positioning devices 2 and three hold-down mechanisms and gearbox back casing hinge face to be processed crooked route are consistent.Be put in by gearbox back casing on this fixture, two fastening screws 8 on fixture navigate in the installing hole of housing opposite ends respectively, then position its both sides.Float positioning device 2 includes the first float support seat 7 and the first floating backstay 6, first float support seat 7 pairs back casing supports, backstay 6 is floated through the installing hole on hinge face in first of first float support seat 7 inside, has carried out effective location further to its horizontal direction.Start oil gag 4, hydraulic cylinder piston rod promotes pressure strip and moves upward, the free end of pressure strip is rotated down around the pin joint of pressure strip and fixed head, thus the compression in vertical direction is carried out to back casing, so just achieve the compression of the level to lower housing portion hinge face, vertical direction.
Pull the hand lever 22 of two clamping devices 3, hand lever 22 drives power transmission shaft 23 to housing direction horizontal movement, clamp 24 on power transmission shaft 23 also moves thereupon, and boss 25 stretches among the space between housing two reinforcement and carries out left and right clamping, then lock piece is pinned hand lever 22.Because the crooked radian of clamp 24 and the space radian of housing outer surface match, thus housing is wrapped among clamp 24 firmly, completes the accurate location clamping to housing upper.So, compression is positioned to lower housing portion and top simultaneously, add man-hour in reaming, effectively reduce the Oscillation Amplitude of housing, ensured housing machining accuracy.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (6)
1. for the positioning compression device of gearbox back casing, comprise positioning pedestal, detent mechanism and hold-down mechanism, detent mechanism and hold-down mechanism are all located on positioning pedestal, it is characterized in that, positioning pedestal is also provided with the clamping device for compressing housing upper, the fastening screw that described detent mechanism comprises float positioning device and matches with gearbox back casing installing hole, hold-down mechanism comprises oil gag and compresses supporting seat, the virtual route of the working face of described hold-down mechanism and detent mechanism and the crooked route of gearbox back casing end face edge to be processed match,
Described clamping device comprises installing rack, transmission mechanism and clamp, transmission mechanism is arranged on installing rack, described transmission mechanism comprises power transmission shaft and hand lever, the middle part of hand lever is hinged on installing rack, bottom and the power transmission shaft of hand lever are hinged, the free end of power transmission shaft is connected with clamp, and clamp is provided with the boss for clamping reinforcement, installing rack is also provided with for the slide rail of power transmission shaft horizontal slip and the lock piece for locking hand lever.
2. the positioning compression device for gearbox back casing according to claim 1, it is characterized in that, described oil gag comprises oil hydraulic cylinder, fixed head and pressure strip, the power transmission shaft of oil hydraulic cylinder and one end of pressure strip hinged, fixed head one end is fixed on oil hydraulic cylinder, the other end and pressure strip hinged, the free end of pressure strip is provided with a compact heap, and this compact heap is positioned at and compresses on supporting seat.
3. the positioning compression device for gearbox back casing according to claim 1, it is characterized in that, described float positioning device comprises the first float support seat of hollow, flexible member, first floating backstay and fixed handle, the one the first float support seats are fixedly mounted on positioning pedestal, flexible member is provided with in first float support seat, the first floating backstay is flexibly connected on flexible member, this corresponding two side of the first floating backstay is provided with draw-in groove, the corresponding two side of first float support seat is provided with groove, fixed handle navigates to first by groove and floats in the draw-in groove of backstay.
4. the positioning compression device for gearbox back casing according to claim 3, is characterized in that, described first one of them draw-in groove floating backstay is the triangular groove of point upward.
5. the positioning compression device for gearbox back casing according to claim 1, is characterized in that, described transmission mechanism is two, and is symmetrically set on positioning pedestal.
6. the positioning compression device for gearbox back casing according to claim 1, is characterized in that, the mating shapes between the shape of described boss two reinforcements adjacent with housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420573751.8U CN204148890U (en) | 2014-09-29 | 2014-09-29 | For the positioning compression device of gearbox back casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420573751.8U CN204148890U (en) | 2014-09-29 | 2014-09-29 | For the positioning compression device of gearbox back casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204148890U true CN204148890U (en) | 2015-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420573751.8U Expired - Fee Related CN204148890U (en) | 2014-09-29 | 2014-09-29 | For the positioning compression device of gearbox back casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204148890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269378A (en) * | 2015-06-29 | 2016-01-27 | 宁波吉利罗佑发动机零部件有限公司 | Locating method for machining of gearbox housing |
| CN107283185A (en) * | 2017-06-27 | 2017-10-24 | 鹰普（中国）有限公司 | A kind of gearbox part self-centering fixture |
| CN113894576A (en) * | 2021-10-15 | 2022-01-07 | 湖北华阳汽车变速系统股份有限公司 | Gearbox shell, clamp and machining method |
-
2014
- 2014-09-29 CN CN201420573751.8U patent/CN204148890U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269378A (en) * | 2015-06-29 | 2016-01-27 | 宁波吉利罗佑发动机零部件有限公司 | Locating method for machining of gearbox housing |
| CN105269378B (en) * | 2015-06-29 | 2017-08-22 | 宁波上中下自动变速器有限公司 | A kind of localization method of case of transmission processing |
| CN107283185A (en) * | 2017-06-27 | 2017-10-24 | 鹰普（中国）有限公司 | A kind of gearbox part self-centering fixture |
| CN113894576A (en) * | 2021-10-15 | 2022-01-07 | 湖北华阳汽车变速系统股份有限公司 | Gearbox shell, clamp and machining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20150929 |
|
| EXPY | Termination of patent right or utility model |