CN102594001B - Eliminating device for additional internal stress of pin tooth transmission of car-bottom furnace - Google Patents
Eliminating device for additional internal stress of pin tooth transmission of car-bottom furnace Download PDFInfo
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- CN102594001B CN102594001B CN 201210017162 CN201210017162A CN102594001B CN 102594001 B CN102594001 B CN 102594001B CN 201210017162 CN201210017162 CN 201210017162 CN 201210017162 A CN201210017162 A CN 201210017162A CN 102594001 B CN102594001 B CN 102594001B
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- bearing
- bearing pedestal
- support
- eliminating device
- motor
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Abstract
The invention relates to an eliminating device for the additional internal stress of pin tooth transmission of a car-bottom furnace. the eliminating device is characterized in that a supporting point of a third bearing is arranged on a shaft end bearing pedestal of an output shaft arranged at one side of a cogwheel; the bearing pedestal is arranged on a motor base; two side blocking supports for spacing are respectively arranged at the left side and the right side of the bearing pedestal; each support base is fixed on the motor base through a support bolt; the outer side of each support is welded and blocked by using a square steel; four threaded holes are arranged on a connecting steel plate of the motor base corresponding right under the bearing pedestal; nuts are welded on the connecting steel plate; screw bolts are in exact and direct contact with the lower surface of the bearing pedestal through the threaded holes; and the upward jacking force of the screw bolts is zero in the initial state; and the screw bolts can support the bottom surface of the bearing pedestal and can movably adjust the height difference of the bearing pedestal from top to bottom. Under the condition that a speed reduction motor and the cogwheel are static or work and rotate, an output shaft only bears the force generated by an effective load and does not generate the additional force, the impact of the motor on a bearing and the slight oscillation are reduced, and the damage on the bearing is reduced.
Description
Technical field
Apparatus of the present invention relate to car type furnace stove pin tooth driving device, are specifically related to the additional internal stress cancellation element of multipoint driving axle.
Background technology
In the plant equipment field, the power transmission shaft of 3 points (or multiple spot) supporting easily causes additional internal stress, namely because manufacture deviation and alignment error, make the very large additional internal stress of the inner generation of power transmission shaft (without under the External Force Acting), the strength and stiffness of power transmission shaft have been seriously undermined, even making the power transmission shaft fracture, the function that has a strong impact on plant equipment is used and the life-span.
Current heating furnace chassis transmission mechanism, if adopt speed reducer output shaft to connect shaft coupling, the centre adds axle and connects a pair of gear mesh cogwheel again and carry out secondary transmission.This not only requires also large to output power of motor, efficient and shaft coupling output torque, also need simultaneously to increase by two bearing pedestals and pair of engaged gears etc. and carry out transmission, to cause that speed reducer drive efficient is low, the tunnel floor space is large, and also improve equipment cost and expend the cost of labor on basis, tunnel.
In addition, the direct-connected cogwheel method of current trolley heating furnace motor output shaft exists two bearings of motor internal, output shaft other end spindle bearing, it can cause the speed reducer output shaft precision to reduce, cause that circle beats, and destroy bearing ball, reduced reductor and bearing useful life.
Summary of the invention
The technical problem to be solved in the present invention is to provide the transmission of a kind of car type furnace pin tooth to add the internal stress cancellation element according to defects, can eliminate the additional internal stress that the power transmission shaft of three-point support causes, reduce reductor to the shock and vibration of bearing pedestal and bearing, reduce the injury to bearing and reductor.
The present invention solves the problems of the technologies described above the technical scheme that adopts to be:
The transmission of car type furnace pin tooth adds the internal stress cancellation element, beyond inner the first and second intrinsic bearing fulcrums of reducing motor own, the 3rd bearing fulcrum is set and consists of three-point support, the 3rd bearing fulcrum is near the cogwheel of outside 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 pedestal is arranged on the motor base; The bearing pedestal left and right sides arranges respectively one and is used for spacing side block support, and each bracket base is fixed on the motor base by support bracket bolt, and the outside of each support all stops with the square steel welding; Junction steel plate place corresponding under motor base and the bearing pedestal arranges four screwed holes and welded nut, screw bolt just directly contact with the lower surface of bearing pedestal by this screwed hole and under initial condition upwards top power be zero; Described screw bolt can the supporting bearing base bottom surface and can up and down regulating shaft bearing difference of height.
The slotted hole that described bracket base and bearing pedestal 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 carbon steel material.
Described bearing pedestal is that hollow is cube-shaped.
Described square steel is strip.
Described reducing motor is the standard reducing motor.
This device cogwheel and chassis bearing pin after running-in period after a while a more fastening support bracket bolt so that better production run.
Technique scheme makes cogwheel one side output shaft end bearing pedestal adopt the bolt regulating type bracket, and namely bearing pedestal 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.At cogwheel and reducing motor all under the static not working condition, the reducing motor output shaft is in static free state, three fulcrums all do not stress or be stressed is zero, just two side block 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 regulating shaft bearing just directly contact with the lower surface of square bearing pedestal, and 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, namely 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 so that reducing motor is delivered on the support the impact of the bearing of bearing pedestal and the power that slightly swings, the support of carbon steel material can impact-absorbing and vibration, has reduced the injury to bearing.
Description of drawings:
Fig. 1: according to the additional internal stress cancellation element structural representation of car type furnace pin tooth of the invention process transmission;
Fig. 2: the right view that is Fig. 1;
Wherein, motor base 1, support 2, screw bolt 3, nut 4, square steel 5, bearing pedestal 6, cogwheel 7.
Embodiment:
Implementation method below in conjunction with description of drawings apparatus of the present invention.
As illustrated in fig. 1 and 2, the present embodiment discloses the additional internal stress cancellation element of a kind of car type furnace pin tooth transmission, beyond inner the first and second intrinsic bearing fulcrums of standard reducing motor own, the 3rd bearing fulcrum is set, consist of the three-point support motor output shaft, the 3rd bearing fulcrum is near the cogwheel 7 of outside 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 pedestal 6 is cube-shaped and is arranged on the motor base 1; Bearing pedestal 6 left and right sides arrange respectively one and are used for spacing side block support 2, and each bracket base is fixed on the motor base 1 by support bracket bolt, and the outside of each support 2 all stops with 5 welding of strip square steel; Under motor base 1 and the bearing pedestal 6 corresponding junction steel plate place four screwed 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 pedestal 6 by this screwed hole and the top power that makes progress under initial condition is zero; Described screw bolt 3 can supporting bearing base 6 bottom surface and can up and down regulating shaft bearing 6 difference of height.
The slotted hole that described support 2 bases and bearing pedestal 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 carbon steel material.
The installation adjustment of the additional internal stress cancellation element of car type furnace pin tooth of the present invention transmission need to be fixed first two side stands 2, after moving, the slotted hole position of motor base 1 tightens a little support bracket bolt with support 2 again, knock with copper rod again and make support 2 be adjacent to bearing pedestal 6 fully, weld again the rectangular square steel 5 in both sides.Use screw bolt 3 applying bearing pedestals 6 bottoms, bearing pedestal 6 bottoms formation top power is zero contact until four screw bolts 3 are all fitted firmly to turn screw bolt 3 with spanner, tightens screw bolt 3 bottoms with other nut 4 from the motor base below more again.
Above disclosed only is preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalence of therefore doing according to the present patent application claim changes, and still belongs to protection scope of the present invention.
Claims (5)
1. the transmission of car type furnace pin tooth adds the internal stress cancellation element, beyond inner the first and second intrinsic bearing fulcrums of reducing motor own, the 3rd bearing fulcrum is set and consists of three-point support, the 3rd bearing fulcrum is near the cogwheel of outside 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 pedestal is arranged on the motor base; The bearing pedestal left and right sides arranges respectively one and is used for spacing side block support, and each bracket base is fixed on the motor base by support bracket bolt, and the outside of each support all stops with the square steel welding; Junction steel plate place corresponding under motor base and the bearing pedestal arranges four screwed holes and welded nut, screw bolt just directly contact with the lower surface of bearing pedestal by this screwed hole and under initial condition upwards top power be zero; Described screw bolt can the supporting bearing base bottom surface and can up and down regulating shaft bearing difference of height.
2. stress eliminating device according to claim 1 is characterized in that: described bracket base and bearing pedestal bottom are provided for all that support bracket bolt is connected and can make 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 carbon steel material.
4. stress eliminating device according to claim 3, it is characterized in that: described bearing pedestal is that hollow is cube-shaped.
5. stress eliminating device according to claim 4, it is characterized in that: described square steel is strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210017162 CN102594001B (en) | 2012-01-18 | 2012-01-18 | Eliminating device for additional internal stress of pin tooth transmission of car-bottom furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210017162 CN102594001B (en) | 2012-01-18 | 2012-01-18 | Eliminating device for additional internal stress of pin tooth transmission of car-bottom furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102594001A CN102594001A (en) | 2012-07-18 |
| CN102594001B true CN102594001B (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210017162 Expired - Fee Related CN102594001B (en) | 2012-01-18 | 2012-01-18 | Eliminating device for additional internal stress of pin tooth transmission of car-bottom furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102594001B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3802952A1 (en) * | 1987-02-14 | 1988-08-25 | Zahnradfabrik Friedrichshafen | Rack-and-pinion steering gear, in particular for motor vehicles |
| CN2574826Y (en) * | 2002-09-16 | 2003-09-24 | 欧慧武 | Electro permanent magnet clamping device |
| CN202493661U (en) * | 2012-01-18 | 2012-10-17 | 中冶南方(武汉)威仕工业炉有限公司 | Shaft-drive additional internal stress elimination device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3634031B2 (en) * | 1995-11-13 | 2005-03-30 | シャープ株式会社 | Disc recording / playback device |
| JP2001051552A (en) * | 1999-08-11 | 2001-02-23 | Fuji Xerox Co Ltd | Driving device |
-
2012
- 2012-01-18 CN CN 201210017162 patent/CN102594001B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3802952A1 (en) * | 1987-02-14 | 1988-08-25 | Zahnradfabrik Friedrichshafen | Rack-and-pinion steering gear, in particular for motor vehicles |
| CN2574826Y (en) * | 2002-09-16 | 2003-09-24 | 欧慧武 | Electro permanent magnet clamping device |
| CN202493661U (en) * | 2012-01-18 | 2012-10-17 | 中冶南方(武汉)威仕工业炉有限公司 | Shaft-drive additional internal stress elimination device |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2001-51552A 2001.02.23 |
| JP特开平9-140090A 1997.05.27 |
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| CN102594001A (en) | 2012-07-18 |
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Granted publication date: 20130918 Termination date: 20160118 |
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