CN201198000Y - Cooling bed transmission gear - Google Patents
Cooling bed transmission gear Download PDFInfo
- Publication number
- CN201198000Y CN201198000Y CNU2007201852983U CN200720185298U CN201198000Y CN 201198000 Y CN201198000 Y CN 201198000Y CN U2007201852983 U CNU2007201852983 U CN U2007201852983U CN 200720185298 U CN200720185298 U CN 200720185298U CN 201198000 Y CN201198000 Y CN 201198000Y
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- shaft
- eccentric wheel
- low speed
- drive shaft
- speed drive
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Abstract
The utility model provides a cold bed driving device which is characterized in that two motors are respectively mounted at end parts of two bevel gear drive boxes and positioned on the same straight line of the two bevel gear drive boxes through a synchronous coupling and a motor synchronization shaft; the output shaft extension of each bevel gear drive box is perpendicular to the axis direction of each motor; two output shaft extensions of the two bevel gear drive boxes are respectively connected with the input shaft of a worm reduction gear through the synchronous coupling and an intermediate synchronization shaft; the output shaft extension of the worm reduction gear is connected with a low-speed driving shaft through a rigid coupling; the low-speed driving shaft is provided with an eccentric wheel, and an eccentric wheel carrier is positioned on the eccentric wheel; the low speed driving shaft can be connected in series to form 1 to 3 driving units; and the worm reduction gear can be connected in parallel to form a plurality of driving units. The utility model has simple structure and high driving efficiency, causes cold beds to run in groups or synchronously, meets the cooling and transportation requirements of cold beds of different specifications and is particularly applicable to the driving of cold beds of large-length rolled pieces.
Description
Technical field
The utility model belongs to mechanical driving device, specifically is that the long scale Heavy-rail Production of heavy steel rolling mill is with driving the transmission device that cold bed moves beam.
Background technology
The cold bed equipment that uses in the present long scale Heavy-rail Production, transmission all are to adopt hydraulic-driven or mechanical type transmission.Fluid pressure type is the hydraulic cylinder source that is used as power, and the mechanical equipment of motor transmission all is used for short chi shaped steel cold bed.Synchronism was bad between each was organized in the fluid pressure type device fabrication process, and hydraulic pressure is if adopt ratio system, and investment is big, and maintenance workload is big, the maintenance cost height, and accident point is more in the production, influences the production efficiency of enterprise, causes bigger financial burden to enterprise.And the mechanical type cold bed all is to adopt the series system transmission now, if be used for the cold bed transmission of long scale rolled piece, its net synchronization capability and transmission efficiency are difficult to guarantee.More than the cold bed transmission device of two kinds of patterns all form by two parts: a cover lowering or hoisting gear, a cover Traverse Displacement Unit, every covering device all has the power source of oneself.Therefore, its transmission mechanism is comparatively complicated.
The utility model content
The utility model provides a kind of cold bed transmission device, adopt the distributed arrangement transmission mechanism, and eccentric is set, overcome the deficiencies in the prior art, to solve the transmission problem of existing long scale heavy rail with cold bed, reduce the transmission system complexity, reduce maintenance workload and maintenance cost in the production process.
The purpose of this utility model is to realize like this, it comprises motor, reductor etc., and its characteristics are established 2 motors, synchronous coupling, bevel gear transmission case, synchronizing shaft, worm-gear speed reducer, low speed drive shaft, eccentric wheel and eccentric wheel carrier for the cold bed transmission device; Two motors are arranged in the end of two bevel gear transmission cases and arrange point-blank by synchronous coupling and bevel gear transmission case, link together with the motor synchronizing shaft between the bevel gear transmission case, the output shaft extension of every bevel gear transmission case is vertical with the motor shaft direction, two output shaft extension synchronous couplings of bevel gear transmission case, middle synchronizing shaft is connected with the worm-gear speed reducer power shaft respectively, the output shaft extension of worm-gear speed reducer is connected with low speed drive shaft by positive coupling, low speed drive shaft is equipped with eccentric wheel, and the eccentric wheel rack device is placed on the eccentric wheel.Adopt the method for load and synchronization control on electric, make two synchronizing motors, guaranteed the main transmission net synchronization capability like this.
The concrete structure of utility model has, and the output shaft extension of a worm-gear speed reducer and 1 section low speed drive shaft connect to form a gear unit, also can adopt positive coupling that the gear unit of 2～3 sections low speed drive shaft is composed in series the multistage gear unit;
The concrete structure of utility model has, a worm-gear speed reducer is established an input shaft extension, two output shaft extension and transmission shaft extensions, the output shaft extension of both sides is connected with low speed drive shaft by positive coupling 16, and its input shaft extension is connected with middle synchronizing shaft 7 by synchronous coupling 2; The transmission shaft extension connects to form many gear units in parallel with another worm-gear speed reducer;
Concrete structure of the present utility model has, and 2 eccentric wheels are installed on every section low speed drive shaft, in the middle of two eccentric wheels counterweight is installed, and weight arm is through on the low speed drive shaft, adopts with low speed drive shaft to cooperate the band key to be connected.
Concrete structure of the present utility model has, the eccentric wheel rack device has support wheel and directive wheel, support wheel contacts with eccentric periphery, and directive wheel contacts with eccentric end face or the gap of 0.1～0.5mm is arranged, directive wheel is positioned at the both sides of eccentric wheel carrier, 2 of every sides, support wheel are positioned at rounded the arranging in below of eccentric wheel carrier, and each wheel carrier is 2 or 4.
Concrete structure of the present utility model has, and the eccentric wheel rack device is to have support wheel and directive wheel stressed, is placed on the eccentric wheel, and 4 eccentric wheel rack devices of adjacent parallel low speed drive shaft are linked together by structure-steel framing, forms one group of moving beam.
Concrete structure of the present utility model has, and eccentric eccentric distance e is 100～200mm.
The output shaft of worm-gear speed reducer is connected with low speed drive shaft by positive coupling, rotates with the output shaft extension of reductor.The effect of support wheel is the gravity that bears moving beam and rolled piece, and beam is moved with eccentric wheel; Directive wheel play the guiding role, anti-stop beam sideslip.Low speed drive shaft is rotated and is made eccentric wheel drive eccentric wheel rack device and beam is moved in a circle, like this, low speed drive shaft is rotated a week, eccentric wheel rotates 360 °, moving beam just lifts and transfers forward a step pitch with rolled piece from deciding beam, and then be placed on Ding Liangshang, finish the cooling of rolled piece and transport task.
Transmission device of the present utility model can overcome existing in prior technology some shortcomings part.The employing of eccentric wheel structure makes lifting and traversingly once finishes, and having evaded existing cold bed transmission has two cover transmission device problems.The change of driving type, transmission device utilize bevel gear by cross direction design power shaft shaft, and both distribution mode was arranged transmission, had shortened the distance of power source to outlet terminal, the additional drag that can avoid the moving chain of long pass to bring.Worm-gear speed reducer has also adopted two shafts to arrange simultaneously, makes each transmission terminal all drive independently moving beam group.Significantly reduce accident rate like this, improved transmission efficiency.The setting of counterweight, motor starts under the situation of negative moment, and it is about 30% that the power of driving motor is reduced, and saved the energy.This transmission device both can make cold bed grouping operation, can make cold bed synchronous operation again, can satisfy the requirement of technology all size kind, was specially adapted to the transmission of long chi (greater than 60 meters) rolled piece cold bed.
The utility model adopts the mechanical type pattern, low speed drive shaft can be connected into 1～3 section gear unit by positive coupling, worm-gear speed reducer can and be unified into many group gear units by synchronous coupling, both can make cold bed grouping operation, can make cold bed synchronous operation again, its transmission structures is simple, weight of equipment is lighter, transmission efficiency is higher, and one-time investment is less, and maintenance cost is low, maintenance workload is few, parts interchangeability is good, satisfies the requirement of technology all size kind with the transmission of cold bed equipment, is particularly useful for the transmission of long chi rolled piece cold bed.
Description of drawings
Fig. 1 is the utility model cold bed transmission floor plan;
Fig. 2 is the utility model eccentric wheel rack device figure;
Fig. 3 is the utility model eccentric wheel rack device cutaway view;
Fig. 4 is counter weight device figure of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
As shown in Figure 1, 2, the utility model it comprise two motors 1, synchronous coupling 2, bevel gear transmission case 3, motor synchronous axle 5, worm-gear speed reducer 10, the support of bearing 6, synchronizing shaft 7, low speed drive shaft 11, positive coupling 16, bearing block 4, counter weight device 9, eccentric wheel 8, eccentric wheel rack device 12; Two motors 1 are arranged in the end of two bevel gear transmission cases 3, be connected with bevel gear transmission case 3 and arrange point-blank by synchronous coupling 2,3 of bevel gear transmission cases link together with motor synchronizing shaft 5, motor synchronous axle 5 is by the support of bearing 6 support fixation, and synchronous coupling 2 is the ball-type shaft coupling.
Worm-gear speed reducer 10 is arranged in the both sides of bevel gear transmission case 3, a worm-gear speed reducer is established an input shaft extension, two output shaft extension and transmission shaft extensions, the output shaft extension of both sides is connected with low speed drive shaft by positive coupling 16, and its input shaft extension is connected with middle synchronizing shaft 7 by synchronous coupling 2; Middle synchronizing shaft 7 is also by the support of bearing 6 support fixation; The transmission shaft extension connects to form gear unit in parallel with another worm-gear speed reducer; The transmission shaft extension is connected with middle synchronizing shaft 7 by synchronous coupling 2 with the input shaft extension of another reductor, forms an axon, and worm and gear has adopted anchor ring twice-enveloping worm screw.
The output shaft extension of a worm-gear speed reducer and one section low speed drive shaft connect to form a gear unit, also can adopt positive coupling 16 that the gear unit of 2～3 sections low speed drive shaft is composed in series the multistage gear unit; Every section low speed drive shaft two ends have bearing block 4 rack-mount, and section is connected with the positive coupling 16 in intersegmental employing align reaming hole, forms an axon.
As shown in Figure 1, 2, 3, at the position setting-up eccentricity wheel 8 near bearing block 4, it is eccentric that a center and wheel center are not point-blank constituted on every section low speed drive shaft, and its eccentric distance e is 100～200mm, and eccentric wheel rack device 12 is installed on the eccentric wheel 8.Be equipped with in the eccentric wheel rack device 12 by support wheel 15 and directive wheel 13, support wheel 15 is positioned at the below of eccentric wheel carrier, rounded arranging, support wheel contacts with eccentric periphery, each eccentric wheel rack device 12 has 2 or 4 support wheels 15, its periphery closely contacts with the periphery of eccentric wheel 8, makes it to rotate with low speed drive shaft 11.Directive wheel 13 is positioned at the both sides of eccentric wheel rack device 12,2 of every sides; Its periphery contacts with eccentric end face or the gap of 0.1～0.5mm is arranged, rotation place of support wheel and directive wheel all is equipped with bearing, and the effect of support wheel is the gravity that bears moving beam and rolled piece, and beam is moved with eccentric wheel, directive wheel play the guiding role, anti-stop beam sideslip.
Shown in Fig. 1,4, a counter weight device 9 is set between two eccentric wheels, weight arm 14 in the counter weight device 9 adopts the garden post to cooperate the band key to be connected with low speed drive shaft 11, and weight arm 14 and balancing weight 17 usefulness seams add the connected mode of bolt, key, increase the reliability that connects.Weight arm 14 is installed in the two ends of balancing weight, and the circle that is shaped as of balancing weight lacks shape, and two ends are prolonged and radially removed wedge angle.
As shown in Figure 1, 2,4 eccentric wheel rack devices of adjacent parallel low speed drive shaft are linked together by structure-steel framing, form one group of moving beam.12 servo-actuateds of eccentric wheel 8 rotating band movable eccentric wheel rack devices, thus beam is moved in a circle.When the center line of eccentric wheel 8 forwards center line with low speed drive shaft 11 from bottom to top at a horizontal plane to, move the upper surface of beam and decide the upper surface of beam at same horizontal plane this moment, along with moving beam is rotated further, the upper surface of moving beam will be higher than the upper surface of deciding beam, so moving beam lifts also from decide beam that the servo-actuated beam moves together with rolled piece; When the center line of eccentric wheel 8 forwarded center line with low speed drive shaft 11 from the top down at a horizontal plane to, this moment, upper surface moving, that decide beam was in same horizontal plane again, and along with moving beam is rotated further, rolled piece just is placed in Ding Liangshang.At this moment moving beam has been transferred rolled piece forward a step pitch (eccentric distance e * 2).Moving 360 ° of eccentric wheel revolution, moving beam is just transferred rolled piece forward a step pitch, finishes once transporting of rolled piece.
Obviously, owing to adopted distribution mode to arrange transmission, shortened the distance of power source to outlet terminal, moving like this beam has been divided into each zonule table top, and the table top layout of cold bed is more prone to, and certainly, top transmission is arranged can be increased and minimizing by group.
Claims (7)
1. cold bed transmission device, it comprises motor, reductor, power transmission shaft, it is characterized in that the cold bed transmission device is established 2 motors (1), synchronous coupling (2), bevel gear transmission case (3), synchronizing shaft (5), worm-gear speed reducer (10), low speed drive shaft (11), eccentric wheel (8) and eccentric wheel carrier (12); Two motors (1) are arranged in the end of two bevel gear transmission cases (3) and arrange point-blank by synchronous coupling (2) and bevel gear transmission case (3), link together with motor synchronizing shaft (5) between bevel gear transmission case (3), the output shaft extension of every bevel gear transmission case (3) is vertical with the motor shaft direction, two output shaft extensions synchronous couplings (2) of bevel gear transmission case (3), middle synchronizing shaft (7) is connected with worm-gear speed reducer (10) power shaft respectively, the output shaft extension of worm-gear speed reducer (10) is connected with low speed drive shaft (11) by positive coupling (16), low speed drive shaft (11) is equipped with eccentric wheel (8), and eccentric wheel carrier (12) device is placed on the eccentric wheel (8).
2. a kind of cold bed transmission device according to claim 1, it is characterized in that, the output shaft extension of a worm-gear speed reducer (10) and one section low speed drive shaft (11) connect to form a gear unit, or adopt positive coupling (16) that the gear unit of 2～3 sections low speed drive shaft (11) is composed in series the multistage gear unit.
3. a kind of cold bed transmission device according to claim 1, it is characterized in that, a worm-gear speed reducer (10) is established an input shaft extension, two output shaft extension and transmission shaft extensions, the output shaft extension of both sides is connected with low speed drive shaft (11) by positive coupling (16), and its input shaft extension is connected with middle synchronizing shaft (7) by synchronous coupling (2); The transmission shaft extension connects to form gear unit in parallel with another worm-gear speed reducer.
4. a kind of cold bed transmission device according to claim 1, it is characterized in that, 2 eccentric wheels (8) are installed on every section low speed drive shaft (11), counterweight (9) is installed in the middle of two eccentric wheels (8), weight arm is through on the low speed drive shaft (11), and weight arm and counterweight are split type.
5. according to claim 1 or 4 described a kind of cold bed transmission devices, it is characterized in that, the eccentric wheel rack device has support wheel (18) and directive wheel (13), and directive wheel (13) is positioned at the both sides of eccentric wheel carrier (12), and support wheel (18) is positioned at rounded the arranging in below of eccentric wheel carrier (12).
6. a kind of according to claim 1 or 5 cold bed transmission device is characterized in that, 4 eccentric wheel carriers (12) device of adjacent parallel low speed drive shaft is linked together by structure-steel framing, forms one group of moving beam.
7. according to claim 1 or 4 described a kind of cold bed transmission devices, it is characterized in that the eccentric distance e of eccentric wheel (8) is 100～200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201852983U CN201198000Y (en) | 2007-12-28 | 2007-12-28 | Cooling bed transmission gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201852983U CN201198000Y (en) | 2007-12-28 | 2007-12-28 | Cooling bed transmission gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201198000Y true CN201198000Y (en) | 2009-02-25 |
Family
ID=40449156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201852983U Expired - Fee Related CN201198000Y (en) | 2007-12-28 | 2007-12-28 | Cooling bed transmission gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201198000Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865202A (en) * | 2010-05-21 | 2010-10-20 | 天津赛瑞机器设备有限公司 | Cooling bed driving shaft and manufacturing method thereof |
| CN102699048A (en) * | 2012-05-31 | 2012-10-03 | 江阴大地装备股份有限公司 | Cooling bed rack stepping device |
| CN110576055A (en) * | 2019-10-25 | 2019-12-17 | 四川德胜集团钒钛有限公司 | steel rolling cold bed control system |
-
2007
- 2007-12-28 CN CNU2007201852983U patent/CN201198000Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865202A (en) * | 2010-05-21 | 2010-10-20 | 天津赛瑞机器设备有限公司 | Cooling bed driving shaft and manufacturing method thereof |
| CN101865202B (en) * | 2010-05-21 | 2012-05-02 | 天津赛瑞机器设备有限公司 | Cooling bed driving shaft and manufacturing method thereof |
| CN102699048A (en) * | 2012-05-31 | 2012-10-03 | 江阴大地装备股份有限公司 | Cooling bed rack stepping device |
| CN110576055A (en) * | 2019-10-25 | 2019-12-17 | 四川德胜集团钒钛有限公司 | steel rolling cold bed control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20100128 |