CN202493661U - Shaft-drive additional internal stress elimination device - Google Patents
Shaft-drive additional internal stress elimination device Download PDFInfo
- Publication number
- CN202493661U CN202493661U CN2012200253618U CN201220025361U CN202493661U CN 202493661 U CN202493661 U CN 202493661U CN 2012200253618 U CN2012200253618 U CN 2012200253618U CN 201220025361 U CN201220025361 U CN 201220025361U CN 202493661 U CN202493661 U CN 202493661U
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- bearing
- support
- bearing block
- bracket
- cogwheel
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Abstract
The utility model relates to a shaft-drive additional internal stress elimination device. A third bearing fulcrum is arranged on a bearing block at the end of an output shaft which is arranged on one side of cogwheel; the bearing block is arranged on a motor base; a lateral stop bracket for spacing is respectively arranged on left and right sides of the bearing block, each bracket base is fixed on the motor base through bracket bolts, and the outside of each bracket is blocked by virtue of square steel soldering; four threaded holes are formed on a corresponding connection steel plate under the motor base and the bearing block, and nuts are soldered in the threaded holes, and screw bolts can be just directly contacted with the lower surface of the bearing block through the threaded holes, and upward jacking pressure of the screw bolts is zero in an initial state; and the screw bolts can be used for supporting the bottom of the bearing block and can move up and down to regulate the height of the bearing block. Under a condition that a speed-reducing motor and the cogwheel are static or rotate, the output shaft only endures force generated by effective load and does not generate additional force, so that the impact and slight swinging of the motor to the bearing can be reduced, and damage to the bearing can be reduced.
Description
Technical field
The utility model device relates to shaft drive, is specifically related to the additional internal stress cancellation element of multiple spot transmission shaft.
Background technique
In the machinery field; The transmission shaft of 3 points (or multiple spot) supporting causes additional internal stress easily; Promptly, the strength and stiffness of transmission shaft have been seriously undermined because manufacture deviation and alignment error make the very big additional internal stress of the inner generation of transmission shaft (under no external force effect); Even transmission shaft is ruptured, the function that has a strong impact on machinery is used and the life-span.
Current oven chassis driving mechanism, if adopt speed reducer output shaft to connect coupling, the centre adds axle and connects a pair of gear mesh cogwheel again and carry out the secondary transmission.This not only requires also big to motor output power, efficient and coupling output torque; Also need increase by two bearing supports and pair of engaged gears simultaneously waits and carries out transmission; To cause that the speed reducer transmission efficiency is low, the tunnel floor space is big, also improve equipment cost and the cost of labor that expends the basis, tunnel.
In addition, the direct-connected cogwheel method of current chassis oven motor output shaft exists two bearings of motor internal, another termination bearing support of output shaft; It can cause the speed reducer output shaft precision to reduce; Cause that circle beats, and destroy bearing ball, reduced speed reducer and bearing working life.
The model utility content
The technical problem that the utility model will solve is to provide the transmission of a kind of car type furnace pin tooth to add the internal stress cancellation element according to above-mentioned defective; Can eliminate the additional internal stress that the transmission shaft of three-point support causes; Reduce the shock and vibration of speed reducer, reduce injury bearing and speed reducer to bearing support and bearing.
The utility model is to solve the problems of the technologies described above the technological scheme that is adopted to be:
Shaft drive adds the internal stress cancellation element; Constitute three-point support at inner the 3rd bearing fulcrum that is provided with beyond the first and second intrinsic bearing fulcrums of reducing motor itself; The 3rd bearing fulcrum is near the outside cogwheel of motor, and cogwheel is arranged between the second and the 3rd fulcrum; It is characterized in that: the 3rd bearing fulcrum is arranged on the axle end bearing seat of cogwheel one side output shaft, and this bearing support is arranged on the motor base; The bearing support left and right sides is provided with one respectively and is used for spacing side retaining support, and each bracket base is fixed on the motor base through support bracket bolt, and the outside of each support all stops with the square steel welding; Corresponding connection steel plate place is provided with four tapped holes and welded nut under motor base and the bearing support, screw bolt just directly contact with the lower surface of bearing support through this tapped hole and under original state upwards top power be zero; Said screw bolt can the supporting bearing base bottom surface and can up and down adjusting axle bearing difference of height.
The slotted hole that described bracket base and bearing support bottom is provided for all that support bracket bolt is connected and support bracket bolt is slided, support bracket bolt slidable adjustment when making things convenient for the support installation.
Described support is a carbon steel material.
Described bearing support is that hollow is cube-shaped.
Described square steel is a long strip.
Said stress eliminating device is applied to the transmission of car type furnace pin tooth.
Said reducing motor is the standard reducing motor.
This device cogwheel and chassis bearing pin can a fastening again support bracket bolt after running-in period after a while so that better production run.
Technique scheme makes cogwheel one side output shaft step bearing seat adopt bolt regulating type support, and promptly bearing support left and right horizontal direction is spacing with the support that bolt is housed, and above-below direction is regulated height with screw bolt on the reducing motor bearing.Under cogwheel and all static not working condition of reducing motor; The reducing motor output shaft is in static free state; Three fulcrums all do not stress or be stressed is zero; Just two sides retaining supports are fixed on the electric machine stand and with the square steel welding with bolt state this moment and stop, and four screw bolts under the adjusting axle bearing just directly contact with the lower surface of square body bearing support, the top power that these four bolts are made progress is zero; Three bearing fulcrums on the reducing motor output shaft can not produce additional force like this, promptly reducing motor, cogwheel is static or work rotation stressing conditions under, the output shaft of three-point support can not produce additional force, only bears the power that effective load produces.So just make reducing motor that the impact of the bearing of bearing support and the power of slightly swing are delivered on the support, the support of carbon steel material can absorb shock and vibration, has reduced the injury to bearing.
Description of drawings:
Fig. 1: the shaft drive of implementing according to the utility model adds internal stress cancellation element structural representation;
Fig. 2: the right elevation that is Fig. 1;
Wherein, motor base 1, support 2, screw bolt 3, nut 4, square steel 5, bearing support 6, cogwheel 7.
Embodiment:
Implementation methods below in conjunction with description of drawings the utility model device.
As illustrated in fig. 1 and 2; Present embodiment discloses the additional internal stress cancellation element of a kind of car type furnace pin tooth shaft drive; Constitute the three-point support motor output shaft at inner the 3rd bearing fulcrum that is provided with beyond the first and second intrinsic bearing fulcrums of standard reducing motor itself; The 3rd bearing fulcrum is near the outside cogwheel 7 of motor, and cogwheel 7 is arranged between the second and the 3rd fulcrum; It is characterized in that: the 3rd bearing fulcrum is arranged on the axle end bearing seat 6 of cogwheel 7 one side output shafts, and this bearing support 6 is cube-shaped and is arranged on the motor base 1; Bearing support 6 left and right sides are provided with one respectively and are used for spacing side retaining support 2, and each bracket base is fixed on the motor base 1 through support bracket bolt, and the outside of each support 2 all stops with 5 welding of long strip square steel; Under motor base 1 and the bearing support 6 corresponding connection steel plate place four tapped holes are set and on connecting plate welded nut 4 avoid stripped thread to increase screw top length, screw bolt 3 just directly contact with the lower surface of bearing support 6 through this tapped hole and the top power that under original state, makes progress is zero; Said screw bolt 3 can supporting bearing base 6 bottom surface and can up and down adjusting axle bearing 6 difference of height.
The slotted hole that described support 2 bases and bearing support 6 bottoms are provided for all that support bracket bolt is connected and support bracket bolt is slided, support bracket bolt slidable adjustment when making things convenient for support 2 to install.
Described support 2 is a carbon steel material.
The installation adjustment of the additional internal stress cancellation element of the shaft drive of the utility model needs earlier fixing two side supports 2;, the slotted hole position of motor base 1 tightens support bracket bolt with support 2 a little after moving again; Knock with copper rod again and make support 2 be adjacent to bearing support 6 fully, weld the rectangular square steel 5 in both sides again.Use screw bolt 3 applying bearing supports 6 bottoms again, use spanner to turn screw bolt 3 and fits all firmly until four screw bolts 3 that to form top power be zero contact in bearing support 6 bottoms, below motor base, tighten screw bolt 3 bottoms with other nut 4 again.
The above disclosed preferred embodiment that is merely the utility model can not limit the interest field of the utility model certainly with this, so according to the equivalence variation that the utility model claim is done, still belong to the protection domain of the utility model.
Claims (5)
1. shaft drive adds the internal stress cancellation element; Constitute three-point support at inner the 3rd bearing fulcrum that is provided with beyond the first and second intrinsic bearing fulcrums of reducing motor itself; The 3rd bearing fulcrum is near the outside cogwheel of motor, and cogwheel is arranged between the second and the 3rd fulcrum; It is characterized in that: the 3rd bearing fulcrum is arranged on the axle end bearing seat of cogwheel one side output shaft, and this bearing support is arranged on the motor base; The bearing support left and right sides is provided with one respectively and is used for spacing side retaining support, and each bracket base is fixed on the motor base through support bracket bolt, and the outside of each support all stops with the square steel welding; Corresponding connection steel plate place is provided with four tapped holes and welded nut under motor base and the bearing support, screw bolt just directly contact with the lower surface of bearing support through this tapped hole and under original state upwards top power be zero; Said screw bolt can the supporting bearing base bottom surface and can up and down adjusting axle bearing difference of height.
2. stress eliminating device according to claim 1 is characterized in that: described bracket base and bearing support bottom is provided for all that support bracket bolt is connected and can makes the slotted hole of support bracket bolt slip.
3. stress eliminating device according to claim 1 and 2 is characterized in that described support is a carbon steel material.
4. stress eliminating device according to claim 3 is characterized in that: described bearing support is that hollow is cube-shaped.
5. stress eliminating device according to claim 4 is characterized in that: described square steel is a long strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200253618U CN202493661U (en) | 2012-01-18 | 2012-01-18 | Shaft-drive additional internal stress elimination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200253618U CN202493661U (en) | 2012-01-18 | 2012-01-18 | Shaft-drive additional internal stress elimination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202493661U true CN202493661U (en) | 2012-10-17 |
Family
ID=46999893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200253618U Expired - Lifetime CN202493661U (en) | 2012-01-18 | 2012-01-18 | Shaft-drive additional internal stress elimination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202493661U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594001A (en) * | 2012-01-18 | 2012-07-18 | 中冶南方(武汉)威仕工业炉有限公司 | Eliminating device for additional internal stress of pin tooth transmission of car-bottom furnace |
| CN102900831A (en) * | 2012-10-19 | 2013-01-30 | 无锡京华重工装备制造有限公司 | Positioning support structure for motor shaft |
| CN103122440A (en) * | 2013-03-05 | 2013-05-29 | 赣州伟嘉合金有限责任公司 | Stress relieving machine for sintered hard alloys |
| CN111570702A (en) * | 2020-06-10 | 2020-08-25 | 嵊州市力博锻压机械有限公司 | Novel hot die forging press |
-
2012
- 2012-01-18 CN CN2012200253618U patent/CN202493661U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594001A (en) * | 2012-01-18 | 2012-07-18 | 中冶南方(武汉)威仕工业炉有限公司 | Eliminating device for additional internal stress of pin tooth transmission of car-bottom furnace |
| CN102594001B (en) * | 2012-01-18 | 2013-09-18 | 中冶南方(武汉)威仕工业炉有限公司 | Eliminating device for additional internal stress of pin tooth transmission of car-bottom furnace |
| CN102900831A (en) * | 2012-10-19 | 2013-01-30 | 无锡京华重工装备制造有限公司 | Positioning support structure for motor shaft |
| CN103122440A (en) * | 2013-03-05 | 2013-05-29 | 赣州伟嘉合金有限责任公司 | Stress relieving machine for sintered hard alloys |
| CN111570702A (en) * | 2020-06-10 | 2020-08-25 | 嵊州市力博锻压机械有限公司 | Novel hot die forging press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20130918 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20130918 |
|
| RGAV | Abandon patent right to avoid regrant |