CN101608870B - Transmission system for grate cooler, transmission structure and grate cooler - Google Patents
Transmission system for grate cooler, transmission structure and grate cooler Download PDFInfo
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- CN101608870B CN101608870B CN2009100895487A CN200910089548A CN101608870B CN 101608870 B CN101608870 B CN 101608870B CN 2009100895487 A CN2009100895487 A CN 2009100895487A CN 200910089548 A CN200910089548 A CN 200910089548A CN 101608870 B CN101608870 B CN 101608870B
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Abstract
The invention provides a transmission system for a grate cooler, aims at solving the problems that the transmission system for the grate cooler in the prior art has complex structure, trivial installation, more lubricating points, large maintenance difficulty and poor running reliability and comprising an eccentric shaft, an eccentric wheel, a bearing seat and a locking mechanism; the locking mechanism comprises a front inner side surface and a rear inner side surface which are opposite and form a containing space; the eccentric wheel can freely rotate after being arranged in the containing space; the minimum distance between the opposite front inner side surface and the rear inner side surface is slightly larger than the diameter of the eccentric wheel; the locking mechanism also comprises a fixed structure which is separated from the eccentric shaft and the eccentric wheel and is used for being fixedly connected with the moving cart and fixing the opposite position between the front inner side surface and the rear inner side surface. The transmission system has simple structure, convenient installation, low maintenance frequency and high running reliability. The invention also provides a transmission structure applying the transmission system and the grate cooler simultaneously, which have same beneficial and technical effects.
Description
Technical field
The present invention relates to a kind of cooling machine, relate in particular to drive mechanism and the cooling machine of a kind of cooling machine with transmission system and this transmission system of application.
Background technology
As everyone knows, the cooling machine is the supporting main process equipment of cement plant grog firing system, plays a part hot grog is cooled off and carries.Because it is worked under the changeable environment of high temperature, high dust, operating mode, and mechanism's complexity, operation easier is big, and fault rate is higher, therefore, its continuously, steadily, running reliably is the key that directly influences the kiln running rate.
The cooling machine can be divided into three types of vibration-type, swinging and drivings according to the motion mode of grate plate.In the cement industry evolution, along with producing the summary of maximizing and putting into practice, vibration-type cooling machine has been eliminated after the sixties in 20th century owing to shake aspects such as spring design and material; Swinging cooling machine is in the competition with driving cooling machine, owing to be difficult to be equal to mutually with driving cooling machine at aspects such as adaptability, grog chilling temperature and the thermal efficiency to the grog change of granularity, withdraw from cooling machine market gradually, therefore driving cooling machine has become the main flow equipment in the market, and is developed rapidly at aspects such as versions.At present, the transmission system of driving cooling machine generally adopts crank connecting link or quadric chain is set under the castor bed, with the catch bar horizontal reciprocating movement on this realize combing bed or castor bed.Crank connecting link and quadric chain can be directly by motor-driven, though the power conversion mode is simple, but crank connecting link and quadric chain itself is huge, complex structure, installation is loaded down with trivial details, oil site is many, occurring easily the motion dead angle in design, to cause poor and crank connecting link of its operating reliability and quadric chain be to promote the castor bed upwards to travel forward, and its essence also is that the wriggling mode drives material.
Summary of the invention
For solve in the prior art cooling machine with the drive system structure complexity, installation is loaded down with trivial details, oil site is many, maintenance difficulty is big, the problem of operating reliability difference, the invention provides a kind of cooling machine transmission system, this drive system structure is simple, easy for installation, frequency of maintenance is low, operating reliability is high; The present invention also provides a kind of drive mechanism and cooling machine of this transmission system of application simultaneously, and this drive mechanism and cooling facility are equipped with same useful technique effect.
Technical scheme:
A kind of cooling machine transmission system, described cooling machine comprises the comb bed of carrying and transported material, travelling car and dynamical system, the lateral cross section of described travelling car is perpendicular to the mass transport direction, the longitudinal centre line of described travelling car is the center line of described travelling car along the mass transport direction, described comb bed places on the described travelling car, described dynamical system, transmission system is connected successively with travelling car, described dynamical system to described transmission system provide power make this transmission system drive described travelling car and on the comb bed do front-rear reciprocation movement, described transmission system comprises along the eccentric shaft of mass transport direction horizontally set, with the suitable columniform eccentric wheel of eccentric shaft, be used to support the bearing block and the locking mechanism of this eccentric shaft, described dynamical system links to each other with this eccentric shaft, driving this eccentric shaft rotates and drives described eccentric wheel around himself central axis and rotate around the central axis of this eccentric shaft, described locking mechanism comprise relative before, back inner surface, before described, back inner surface constitutes spatial accommodation, described eccentric wheel can freely turn round after placing described spatial accommodation, minimum range between the described relative front and back inner surface is slightly larger than eccentric diameter, described locking mechanism also comprises fixed structure, described fixed structure is avoided described eccentric shaft and described eccentric wheel setting, be used for fixedlying connected with described travelling car and fixing described front and back inner surface between relative position.
Described transmission system also comprises bearing and foreign steamer, described foreign steamer is contained on the described eccentric face of cylinder by described bearing holder (housing, cover), the outer peripheral face of described foreign steamer is the face of cylinder or cydariform face, described eccentric wheel all can freely turn round after together placing described spatial accommodation together with this bearing and foreign steamer, minimum range between the relative forward and backward inner surface of described locking mechanism is slightly larger than the maximum outer circumference diameter of described foreign steamer, and described fixed structure is avoided described eccentric shaft, eccentric wheel, bearing and foreign steamer setting.
Equilibrium is provided with one or more grooves of up/down perforation in the described travelling car, the locking mechanism of described transmission system is one or more corresponding to groove, the front and back inner surface of described locking mechanism is the front and back inner surface of described groove, and described fixed structure is the travelling car body.
Described groove is symmetrical in the longitudinal centre line setting of described travelling car, and the forward and backward inner surface of described groove is parallel to the lateral cross section of described travelling car.
Described fixed structure comprises the fixture with described forward and backward inner surface, and described fixture is fixed on the described travelling car.
Described fixture is a hollow cylinder, its hollow space is surrounded by forward and backward and upper and lower surface, the front and rear surfaces of its hollow space is the forward and backward inner surface of described locking mechanism, and the minimum range between the upper and lower surface of its hollow space is greater than the maximum outer circumference diameter of eccentric diameter or foreign steamer and two times eccentric throw sum; One or more described hollow cylinder equilibriums are arranged in the groove of corresponding one or more up/down perforations of offering in the front end of travelling car and/or rear end and/or the described travelling car and/or between two travelling cars, with form to travelling car along the mass transport direction forward, the motive force and the motive force that move backward.
Described hollow cylinder is symmetrical in the longitudinal centre line setting of described travelling car, and the forward and backward surface of the hollow space of its hollow cylinder all is parallel to the lateral cross section of described travelling car.
Described fixture comprises the forward and backward fixture of the forward and backward inner surface that has described locking mechanism respectively, and fixedly connected forward and backward fixture and avoid described eccentric shaft, eccentric wheel and bearing and connector that foreign steamer is provided with; One or more described locking mechanisms are balancedly fixedlyed connected with the rear end of described travelling car by preceding fixture separately, before perhaps described fixture be travelling car rear end, this moment the travelling car rear end transverse end surface be the preceding inner surface of locking mechanism, with form to travelling car along the mass transport direction forward, the motive force and the motive force that move backward; And/or one or more described locking mechanisms are balancedly fixedlyed connected with the front end of described travelling car by back fixture separately, perhaps described back fixture be travelling car front end, this moment the travelling car front end transverse end surface be the back inner surface of locking mechanism, with form to travelling car along the mass transport direction forward, the motive force and the motive force that move backward; And/or one or more described locking mechanism equilibriums are arranged in the groove of corresponding one or more up/down perforations of offering in the described travelling car, described forward and backward fixture is connected with the front and back medial surface of described groove respectively, with form to travelling car along the mass transport direction forward, the motive force that moves backward; And/or one or more described locking mechanism equilibriums are arranged between two described travelling cars, its preceding fixture is balancedly fixedlyed connected with the rear end of front travelling car, thereafter fixture is balancedly fixedlyed connected with the front end of back travelling car, before perhaps described, back fixture is respectively the rear end of front travelling car and the front end of back travelling car, the transverse end surface of travelling car rear end, front is the preceding inner surface of locking mechanism at this moment, the transverse end surface of back travelling car front end is the back inner surface of locking mechanism, to form to two travelling cars along the mass transport direction forward, the motive force of Yi Donging backward.
Described locking mechanism is symmetrical in the longitudinal centre line setting of described travelling car, the forward and backward inner surface of described forward and backward fixture all is parallel to the lateral cross section of described travelling car, and the transverse end surface of the front-end and back-end of described travelling car all is parallel to the lateral cross section of travelling car.
Described fixture comprises the forward and backward fixture of the forward and backward inner surface that has described locking mechanism respectively, the described forward and backward fixture of one or more described locking mechanisms by will be separately is separately fixed at the lower surface of described travelling car and balancedly is fixed on the travelling car, with form to travelling car along the mass transport direction forward, the motive force that moves backward.
Described locking mechanism is symmetrical in the longitudinal centre line setting of described travelling car, and the forward and backward inner surface of described forward and backward fixture all is parallel to the lateral cross section of described travelling car.
The lower surface of corresponding described travelling car is provided with the groove of pit or perforation between described forward and backward fixture, and described eccentric wheel of part or foreign steamer are positioned at this pit or groove.
Be respectively arranged with flat board on the relative forward and backward inner surface of described locking mechanism, minimum distance is slightly larger than the maximum outer circumference diameter of described eccentric diameter or described foreign steamer between the relative inner surface of described corresponding flat board.
Described corresponding dull and stereotyped relative inner surface all is parallel to the lateral cross section of described travelling car.
A kind of cooling machine drive mechanism comprises travelling car, also comprises the above-mentioned transmission system that is combined as a whole or is fixedly linked with travelling car.
A kind of cooling machine, described cooling machine comprises comb bed, travelling car and the dynamical system of carrying and transported material, described comb bed places on the described travelling car, described dynamical system, transmission system and travelling car are connected successively, described dynamical system for described transmission system provide power make this transmission system drive described travelling car and on the comb bed do before and after horizontal reciprocating movement, the above-mentioned transmission system of described transmission adopted.
Technique effect:
Transmission system provided by the invention comprises along the eccentric shaft of mass transport direction horizontally set, with the suitable eccentric wheel of eccentric shaft, supports the bearing block and the locking mechanism of eccentric shaft, eccentric wheel is cylindrical, no matter in system architecture still on transmission principle, all be different from cooling machine transmission system of the prior art fully.Transmission system provided by the present invention is under the driving of dynamical system, eccentric shaft drives eccentric wheel and rotates around the central axis of eccentric shaft, convert eccentric gyration to horizontal reciprocating movement by locking mechanism and pass to travelling car simultaneously, comb the cooling of bed horizontal reciprocating movement and transmit hot grog thereby travelling car just can drive, dynamical system can directly adopt motor, internal combustion engine, steam engine, hydraulic means etc. to drive eccentric shaft easily.Obviously, this drive system structure compactness, simple, easy for installation, it is few to relate to parts, easy to maintenance, the reliability height.
On eccentric periphery, foreign steamer is installed by bearing, foreign steamer is contacted with locking mechanism, sliding friction between eccentric wheel and the locking mechanism is changed into rolling friction between bearing and eccentric wheel, bearing and foreign steamer, foreign steamer and the locking mechanism, lower frictional force significantly, prolonged the service life of corresponding component.
The present invention also provides a kind of drive mechanism and a kind of cooling machine, owing to adopted above-mentioned transmission system, has therefore obtained same beneficial technical effects.
Description of drawings
The structural representation that Fig. 1 uses the embodiment 1 of transmission system to link to each other with travelling car for a kind of cooling machine of the present invention;
Fig. 2 is the vertical view of Fig. 1;
The structural representation that Fig. 3 uses the embodiment 2 of transmission system to link to each other with travelling car for a kind of cooling machine of the present invention;
The structural representation that Fig. 4 uses the embodiment 3 of transmission system to link to each other with travelling car for a kind of cooling machine of the present invention;
A kind of structural representation that Fig. 5 uses the embodiment 4 of transmission system to link to each other with travelling car for a kind of cooling machine of the present invention;
The another kind of structural representation that Fig. 6 uses the embodiment 4 of transmission system to link to each other with travelling car for a kind of cooling machine of the present invention;
The structural representation that Fig. 7 is combined as a whole with the embodiment 5 and the travelling car of transmission system for a kind of cooling machine of the present invention;
The perspective view that Fig. 8 is combined as a whole with the embodiment 6 and the travelling car of transmission system for a kind of cooling machine of the present invention;
A kind of perspective view that Fig. 9 uses the embodiment 7 of transmission system to link to each other with travelling car for a kind of cooling machine of the present invention;
Figure 10 is the front view of Fig. 9;
The another kind of perspective view that Figure 11 uses the embodiment 7 of transmission system to link to each other with travelling car for a kind of cooling machine of the present invention;
Another perspective view that Figure 12 uses the embodiment 7 of transmission system to link to each other with travelling car for a kind of cooling machine of the present invention;
The front view of a kind of structure that Figure 13 links to each other with travelling car with the embodiment 8 of transmission system for a kind of cooling machine of the present invention;
Figure 14 is the vertical view of Figure 13;
The vertical view of the another kind of structure that Figure 15 links to each other with travelling car with the embodiment 8 of transmission system for a kind of cooling machine of the present invention
The front view of a kind of structure that Figure 16 links to each other with travelling car with the embodiment 9 of transmission system for a kind of cooling machine of the present invention;
Figure 17 is the vertical view of Figure 16;
The vertical view of the another kind of structure that Figure 18 links to each other with travelling car with the embodiment 9 of transmission system for a kind of cooling machine of the present invention.
Reference numeral lists as follows:
The 0-support roller, 1-1,1-2-travelling car, 2-eccentric shaft, the 3-eccentric wheel, 4-bearing, 5-foreign steamer, 6,6-1,6-2,6-3,6-4,6-5,6-6,6-7-hollow cylinder, 7,7-1,7-2-groove, the 8-panel-like member, the 9-bearing, 10-bearing block, 11-leading screw, the 12-flat board, inner surface before the 13-, inner surface behind the 14-, 15-spatial accommodation.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment 1
As depicted in figs. 1 and 2, be the structural representation of first kind of embodiment of cooling machine transmission system of the present invention of linking to each other with travelling car.Transmission system A is arranged on the middle part, rear end of travelling car 1-1 and (supposes that the mass transport direction is in the drawings for to the right, no specified otherwise, together following), under the driving of dynamical system, drive travelling car 1-1 and on support roller 0, make horizontal reciprocating movement, cool off and transmit hot grog as horizontal reciprocating movement thereby drive the comb bed that is arranged on the travelling car.Described transmission system A comprises the eccentric shaft 2 along mass transport direction horizontally set, (eccentric shaft 2 and eccentric wheel 3 also can be structure as a whole a columniform eccentric wheel 3 suitable with eccentric shaft 2, be positioned at two bearing blocks 10 and a locking mechanism that eccentric shaft 2 two ends are used to support eccentric shaft 2 down together).Locking mechanism comprises relative forward and backward inner surface 13,14, and forward and backward inner surface 13,14 constitutes spatial accommodation 15, and eccentric shaft 2 and eccentric wheel 3 are positioned at spatial accommodation 15; Locking mechanism also comprises fixed structure, is used for fixing the relative position of 13,14 of front and back inner surfaces and it is fixedlyed connected with travelling car 1-1, and described fixed structure is a fixture of fixedlying connected with travelling car 1-1 rear end.The described fixture of present embodiment is a hollow cylinder 6, its front end face is fixedlyed connected with the rear end of travelling car 1-1, its hollow space is by preceding, back and last, lower surface surrounds, wherein, the rear surface be described before, back inner surface 13,14, before the present embodiment, back inner surface 13,14 all are parallel to the lateral cross section of travelling car 1-1, and (lateral cross section of described travelling car is perpendicular to the material transporting direction, down together), and thereby the diameter that is slightly larger than eccentric wheel 3 of the distance between two surfaces is realized not limiting the gyration of eccentric wheel 3 sealed the time how much, certainly, before, back inner surface 13,14 also can be cambered surface, as long as guarantee to realize to the geometry of eccentric wheel 3 not limiting sealed the time gyration of eccentric wheel 3.Preferably, before, back inner surface 13, be fixed with the flat board 12 that high-abrasive material is made on 14 respectively, under the situation that flat board 12 is set, the inner surface of requirement dull and stereotyped 12 all is parallel to the lateral cross section of travelling car 1-1, and thereby the diameter that is slightly larger than eccentric wheel 3 of the distance between dull and stereotyped 12 inner surfaces is realized not limiting the gyration of eccentric wheel 3 (for preceding sealed the time how much, back inner surface 13, the 14th, the situation of cambered surface, dull and stereotyped 12 can be with preceding, the surface that back inner surface fixes is corresponding cambered surface, is plane or cambered surface towards the surface of eccentric wheel 3).The purpose that flat board 12 is set is that the forward and backward inner surface of hollow cylinder 6 is a wear surface, hollow cylinder 6 whole employing high-abrasive material manufacturings generally, in case will change whole hollow cylinder 6 after the wearing and tearing, after being provided with dull and stereotyped 12, dull and stereotyped 12 inner surface is a wear surface, only need to adopt the high-abrasive material manufacturing to get final product flat board 12, and, save production cost greatly in case the back of wearing and tearing only needs to change flat board 12.The upper and lower surface of hollow cylinder 6 hollow spaces is corresponding arcwall face, can certainly be plane or other shapes, as long as the minimum range between the upper and lower surface greater than the diameter of eccentric wheel 3 with two times eccentric throw sum (described eccentric throw is the distance of the central axis of eccentric wheel 3 to the central axis of eccentric shaft 2, and is same down), get final product with the gyration that does not limit eccentric wheel 3.
During work, eccentric shaft 2 dynamical system (such as, motor, internal combustion engine, steam engine, hydraulic means etc.) rotate around himself central axis under the driving and drive eccentric wheel 3 simultaneously and rotate around the central axis of eccentric shaft 2, the rotation of eccentric wheel 3 in hollow cylinder 6, because the front and back inner surface 13 of hollow cylinder 6,14 and dull and stereotyped 12 restriction is converted into the front and back horizontal reciprocating movement of hollow cylinder 6, and by the front end face of hollow cylinder 6 this forms of motion is passed to coupled travelling car 1-1, make travelling car 1-1 do with hollow cylinder 6 before and after horizontal reciprocating movement.Drive system structure of the present invention is simple, compact, and the parts that comprise are few, be beneficial to and install and maintenance, converts gyration to horizontal reciprocating movement dexterously, does not therefore move the dead point, and it is continuous, reliable, simple in structure to move.
As shown in Figure 3, second kind of example structure schematic diagram of cooling machine of the present invention for linking to each other with travelling car.Transmission system B is arranged on the front center (the material direction of transfer in the drawings left in the present embodiment) of travelling car 1-1, the difference of transmission system B and transmission system A is: transmission system B also includes bearing 4 and foreign steamer 5, foreign steamer 5 is sleeved on the periphery of eccentric wheel 3 by bearing 4, the outer peripheral face of foreign steamer 5 is the face of cylinder (can certainly be the cydariform face), eccentric wheel 3 together places front and back inner surface 13 together with bearing 4 and foreign steamer 5,14 constitute in the spatial accommodation 15, before, back inner surface 13, be fixed with dull and stereotyped 12 on 14 respectively, dull and stereotyped 12 inner surfaces all are parallel to the lateral cross section of travelling car 1-1, and thereby the diameter that is slightly larger than foreign steamer 5 of the distance between dull and stereotyped 12 inner surfaces is realized the rolling that do not limit the gyration of eccentric wheel 3 sealed the time and drive foreign steamer 5 for how much, the minimum range between two surfaces up and down of the hollow space of fixture-hollow cylinder 6 is greater than the diameter of foreign steamer 5 and two times eccentric throw sum, and the rear end face of hollow cylinder 6 is fixedlyed connected with the front end of travelling car 1-1.Bearing 4 and foreign steamer 5 that transmission system B sets up than transmission system A, making eccentric wheel 3 contact the periphery that has substituted eccentric wheel 3 with dull and stereotyped 12 by bearing 4, foreign steamer 5 directly contacts with dull and stereotyped 12, sliding friction between eccentric wheel 3 and dull and stereotyped 12 is changed into the rolling friction of 12 of eccentric wheel 3 and 4 on bearing, bearing 4 and 5 of foreign steamers, foreign steamer 5 and flat boards, reduced frictional force significantly, avoid the excessive wear of transmission system, prolonged its service life effectively.
During work, eccentric shaft 2 rotates around himself central axis under the driving of dynamical system and drives eccentric wheel 3 simultaneously and rotate and the rolling of foreign steamer 5 around the central axis of eccentric shaft 2, because the restriction of hollow cylinder 6 and dull and stereotyped 12, make foreign steamer 5 alternately promote hollow cylinder 6 front and back horizontal reciprocating movements by the flat board 12 on the front and back inner surface 13,14, and by the rear end face of hollow cylinder 6 this forms of motion is passed to coupled travelling car 1-1, make travelling car 1-1 do thereupon before and after horizontal reciprocating movement.
As shown in Figure 4, be the structural representation (the material direction of transfer in the drawings left in the present embodiment) of the third embodiment of the present invention of linking to each other with travelling car.Transmission system C is arranged between travelling car 1-1 and the travelling car 1-2, under the driving of dynamical system, drive travelling car 1-1 simultaneously and travelling car 1-2 does horizontal reciprocating movement on support roller 0, cool off and transmit hot grog as horizontal reciprocating movement thereby drive the comb bed that is arranged on the travelling car.Transmission system C is with the difference of transmission system B: when the rear end face of hollow cylinder 6 is fixedlyed connected with the front end of travelling car 1-1, the front end face of hollow cylinder 6 is fixedlyed connected with the rear end of travelling car 1-2, and transmission system C spurs another travelling car to realize horizontal reciprocating movement when promoting a certain travelling car.
As shown in Figure 5, be the structural representation of a kind of situation of the 4th kind of embodiment of the present invention that link to each other with travelling car.Transmission system D is arranged between travelling car 1-1 and the travelling car 1-2, under the driving of dynamical system, drive travelling car 1-1 simultaneously and travelling car 1-2 does horizontal reciprocating movement on support roller, cool off and transmit hot grog as horizontal reciprocating movement thereby drive the comb bed that is arranged on the travelling car.The difference of transmission system D and transmission system C is: transmission system D includes four hollow cylinder 6-1,6-2,6-3 and 6-4, is equipped with 4 groups of eccentric wheels 3, bearing 4 and foreign steamer 5 also to place respectively in four hollow cylinders on the eccentric shaft 2; Hollow cylinder 6-1 and hollow cylinder 6-2 symmetry are positioned at the both sides of the longitudinal centre line of travelling car, and the front end face of hollow cylinder 6-1 and hollow cylinder 6-2 is fixedlyed connected with the rear end of travelling car 1-1 respectively, hollow cylinder 6-3 and hollow cylinder 6-4 symmetry are positioned at the both sides of the longitudinal centre line of travelling car, and the rear end face of hollow cylinder 6-3 and hollow cylinder 6-4 is fixedlyed connected with the front end of travelling car 1-2 respectively.
During work, eccentric shaft 2 rotates around himself central axis under the driving of dynamical system and drives 4 groups of eccentric wheels 3 simultaneously and rotate and the rolling of foreign steamer 5 around the central axis of eccentric shaft 2, because hollow cylinder internal structure and dull and stereotyped restriction make 4 foreign steamers 5 alternately promote hollow cylinder 6-1,6-2 and the synchronous front and back of 6-3,6-4 horizontal reciprocating movement.When transmission system travelled forward, hollow cylinder 6-1 and hollow cylinder 6-2 promoted travelling car 1-1 and travel forward, and the travelling car of hollow cylinder 6-3 and hollow cylinder 6-4 pulling simultaneously 1-2 travels forward; When transmission system was moved backward, hollow cylinder 6-3 and hollow cylinder 6-4 promoted travelling car 1-2 and move backward, and the travelling car of hollow cylinder 6-1 and hollow cylinder 6-2 pulling simultaneously 1-1 moves backward.Hollow cylinder 6-1 and hollow cylinder 6-2 are symmetrical arranged, hollow cylinder 6-3 and the symmetrically arranged purpose of hollow cylinder 6-4 are, make the front/rear end of travelling car be subjected to the thrust or the pulling force of symmetry, in order to avoid produce moment of torsion, the operate as normal that hinders the cooling machine.
The structural representation of the another kind of situation of the 4th kind of embodiment that Fig. 6 links to each other with travelling car for the present invention.Transmission system D ' is with the difference of transmission system D: transmission system D ' includes three hollow cylinder 6-5,6-6 and 6-7, is equipped with 3 groups of eccentric wheels 3, bearing 4 and foreign steamer 5 also to place respectively in three hollow cylinders on the eccentric shaft 2; Hollow cylinder 6-5 and hollow cylinder 6-6 symmetry are positioned at the longitudinal centre line both sides of travelling car 1-1 or travelling car 1-2, and the front end face of hollow cylinder 6-5 and hollow cylinder 6-6 is fixedlyed connected with the rear end of travelling car 1-1 respectively, hollow cylinder 6-7 is symmetrically distributed along the longitudinal centre line of travelling car 1-1 or travelling car 1-2, and the rear end face of hollow cylinder 6-7 is fixedlyed connected with the front end of travelling car 1-2.
During work, eccentric shaft 2 rotates around himself central axis under the driving of dynamical system and drives 3 groups of eccentric wheels 3 simultaneously and rotate and the rolling of foreign steamer 5 around the central axis of eccentric shaft 2, because hollow cylinder internal structure and dull and stereotyped restriction make 3 foreign steamers 5 alternately promote hollow cylinder 6-5,6-6 and the synchronous front and back of 6-7 horizontal reciprocating movement.When transmission system travelled forward, hollow cylinder 6-5 and hollow cylinder 6-6 promoted travelling car 1-1 and travel forward, and the travelling car of hollow cylinder 6-7 pulling simultaneously 1-2 travels forward; When transmission system was moved backward, hollow cylinder 6-7 promoted travelling car 1-2 and moves backward, and the travelling car of hollow cylinder 6-5 and hollow cylinder 6-6 pulling simultaneously 1-1 moves backward.
As shown in Figure 7, be the 5th kind of embodiment of transmission system of the present invention and the travelling car structural representation that is combined as a whole.Transmission system E is embedded in the inside of travelling car 1-1, under the driving of dynamical system, transmission system E drives travelling car 1-1 and make horizontal reciprocating movement on support roller, cools off and transmit hot grog as horizontal reciprocating movement thereby drive the comb bed that is arranged on the travelling car 1-1.Described transmission system E comprises eccentric shaft 2 equally, with the suitable columniform eccentric wheel 3 of eccentric shaft, be positioned at the bearing block 10 that is used to support eccentric shaft 2 at eccentric wheel two ends.Offer the groove 7 of up/down perforation in travelling car 1-1 inside, groove 7 is symmetrically distributed along the longitudinal centre line of travelling car, and the front and back inner surface 13,14 of groove 7 all is parallel to the lateral cross section of travelling car 1-1.Described transfer system E also comprises locking mechanism, the front and back inner surface of locking mechanism is the front and back inner surface 13,14 of groove 7, the fixed structure of locking mechanism is travelling car 1-1 body, hollow cylinder in the previous embodiment, what in the present embodiment locking mechanism and travelling car are combined as a whole is provided with the further structure of simplifying transmission system.Eccentric wheel 3 places in the groove 7, and the distance between the front and back inner surface 13,14 of groove 7 is slightly larger than the diameter of eccentric wheel 3.Certainly, the transmission system in the present embodiment can also comprise bearing described in the foregoing description and foreign steamer, to reduce friction.
During work, eccentric shaft 2 rotates around himself central axis under the driving of dynamical system and drives eccentric wheel 3 simultaneously and rotate around the central axis of eccentric shaft 2, promotes travelling car 1-1 horizontal reciprocating movements thereby eccentric wheel 3 alternately promotes the front and back inner surface 13,14 of groove 7.
In the present embodiment, what match with eccentric shaft 2 is an eccentric wheel or one group of eccentric wheel, bearing and foreign steamer, can also or organize identical eccentric wheel, bearing and foreign steamer for a plurality of identical eccentric wheels, as long as move back and forth to guarantee the travelling car front and back along balanced setting of the longitudinal centre line of travelling car or symmetrical distribution more.
As shown in Figure 8, the structural representation that is combined as a whole for the 6th kind of embodiment of transmission system of the present invention and travelling car.Transmission system F is embedded into the inside of travelling car 1-1 equally.The difference of transmission system F and transmission system E is: transmission system F comprises two grooves---groove 7-1 and the groove 7-2 that is symmetrically distributed along travelling car 1-1 longitudinal centre line, and eccentric shaft 2 upper edge travelling car 1-1 longitudinal centre line symmetries are equipped with 2 groups of identical eccentric wheels 3, bearing 4 and foreign steamer 5 and place respectively in groove 7-1 and the groove 7-2.
During work, place the foreign steamer 5 in groove 7-1 and the groove 7-2 to promote the front and back inner surface of place groove synchronously respectively, thereby promote moving travelling car 1-1 horizontal reciprocating movement.
As Fig. 9 and shown in Figure 10, be the structural representation of the 7th kind of embodiment of transmission system of the present invention that link to each other with travelling car.Transmission system G comprises a pair of bearing 9 that is fixed on the travelling car bottom surface, before bearing 9 constitutes, back fixture, the relative inner surface 13 of two bearings 9,14 are the front and back inner surface of locking mechanism and all are parallel to the lateral cross section of travelling car 1-1, the relative inner surface 13 of two bearings, 14 and be positioned at the holding tank that an inverted U is formed in travelling car bottom surface between two bearing apparent surfaces, the eccentric wheel 3 that is complementary with eccentric shaft 2, bearing 4 and foreign steamer 5 are positioned at this inverted U holding tank (outer peripheral face of foreign steamer 5 is cylindrical), the relative inner surface 13 of two bearings 9, thereby the distance between 14 is slightly larger than the diameter of foreign steamer 5 and realizes that geometry does not limit the rolling of foreign steamer 5 in the time of sealed, the central axis of eccentric shaft 2 is to the distance on inverted U holding tank groove top radius and the eccentric throw sum greater than foreign steamer 5, not limit the rolling of foreign steamer 5.
During work, eccentric shaft 2 rotates around himself central axis under the driving of dynamical system and drives eccentric wheel 3 simultaneously and rotate and the rolling of foreign steamer 5 around the central axis of eccentric shaft 2, the rolling of foreign steamer 5 in the inverted U holding tank alternately promotes two bearings, 9 relative inner surfaces, 13,14 horizontal reciprocating movements because of the restriction of the internal structure of inverted U groove is converted into, because two bearings 9 are fixed on the travelling car 1-1, so travelling car 1-1 is done the front and back horizontal reciprocating movement by drive.
As shown in figure 11, transmission system G can also comprise along the symmetrically arranged two pairs of identical bearings 9 of the longitudinal centre line of travelling car 1-1 to form the holding tank of two inverted Us, two groups of identical eccentric wheels 3, bearing 4 and foreign steamer 5 are symmetrically distributed and lay respectively in the holding tank of two inverted Us along the longitudinal centre lines of travelling car 1-1 equally, promote synchronously travelling car do before and after horizontal reciprocating movement.Wherein also can be provided with flat board 12 on the apparent surface of each bearing 9, to reduce production costs.
In addition, as shown in figure 12, on the groove top of inverted U holding tank, offer pit, to form new inverted U holding tank, new inverted U holding tank has increased the height on groove top, make eccentric wheel 3, bearing 4 and foreign steamer 5 on the eccentric shaft can be partially submerged into travelling car 1-1 bottom surface, as long as the central axis of eccentric shaft 2 is to the minimum range on the groove top of described new inverted U holding tank radius and the eccentric throw sum greater than foreign steamer 5.
Further, on the groove of inverted U holding tank top, can also offer a groove that connects, make to drive that eccentric wheels 3 rotate and during foreign steamer 5 rollings when eccentric shaft 2, locking mechanism to its on short transverse without limits.
Shown in Figure 13 and 14, be a kind of structural representation of the 8th kind of embodiment of transmission system of the present invention that link to each other with travelling car.Transmission system H under the driving of dynamical system, drives travelling car 1-1 and 1-2 simultaneously and do horizontal reciprocating movement on support roller 0 between adjacent two travelling car 1-1 and 1-2.The preceding inner surface of the locking mechanism of transmission system H is the transverse end surface 13 of travelling car 1-1 rear end, the back inner surface of locking mechanism is the transverse end surface 14 of travelling car 1-2 front end, and the connector of the fixed structure of locking mechanism is for connecting and fix the leading screw 11 of two travelling cars.Leading screw 11 strides across eccentric shaft 2 and avoids the both sides that eccentric wheel 3, bearing 4 and foreign steamer 5 symmetries are positioned at the longitudinal centre line of travelling car from the above and below.The transverse end surface 14 of the transverse end surface 13 of travelling car 1-1 rear end and travelling car 1-2 front end all perpendicular to the mass transport direction and between distance be slightly larger than the diameter of foreign steamer 5, do not limit the rolling of foreign steamer 5 sealed the time to realize how much.
During work, under the driving of dynamical system, eccentric wheel 2 drives the rolling of foreign steamer 5 when self central axis rotates, when the transverse end surface 13 that foreign steamer 5 promotes travelling car 1-1 rear ends travelled forward, travelling car 1-1 drove travelling car 1-2 by leading screw 11 and travels forward synchronously; When the transverse end surface 14 of foreign steamer 5 promotion travelling car 1-2 front ends moved backward, travelling car 1-2 drove travelling car 1-1 motion backward synchronously by leading screw 11, and promptly transmission system drives travelling car 1-1 and 1-2 horizontal reciprocating movement simultaneously.
In addition, the connection between two travelling cars is not limited to leading screw and connects, and can also adopt shaped steel to connect, perhaps the connected mode that combines of leading screw, shaped steel; No matter be leading screw, shaped steel or other attaching parts, can be from the top and/or the below stride across eccentric shaft 2 and avoid eccentric shaft 3, bearing 4 and foreign steamer 5 or from the top and/or the below directly stride across foreign steamer 5 and be provided with, perhaps from the left side and/or the right side stride across eccentric wheel 3, bearing 4 and foreign steamer 5 and avoid described eccentric shaft 2 and be provided with.
As shown in figure 15, transmission system H can also comprise two groups of identical eccentric wheels 3, bearing 4 and foreign steamer 5, symmetry is positioned at the both sides of travelling car longitudinal centre line, and the left and right sides of every group of eccentric wheel 3, bearing 4 and foreign steamer 5 is provided with leading screw 11 and is used to be connected travelling car 1-1 and travelling car 1-2.
Can also be provided with dull and stereotyped 12 on the transverse end surface 13 of the travelling car 1-1 rear end in the present embodiment and the transverse end surface 14 of travelling car 1-2 front end respectively to increase the service life and to reduce production costs.
Shown in Figure 16 and 17, be the schematic diagram of a kind of structure of the 9th kind of embodiment of transmission system of the present invention that link to each other with travelling car 1-1.Transmission system K is positioned at the middle part, rear end of travelling car 1-1.Connector is passed through in the rear end of travelling car 1-1---leading screw 11 be fixedly connected with back fixture---panel-like member 8, the front surface 14 towards travelling car 1-1 of described panel-like member 8 is the back inner surface of locking mechanism, and the transverse end surface 13 of travelling car 1-1 rear end is the preceding inner surface of locking mechanism.Connector leading screw 11 strides across eccentric shaft 2 and avoids the both sides that eccentric wheel 3, bearing 4 and foreign steamer 5 symmetries are positioned at the travelling car longitudinal centre line from the above and below.Be provided with dull and stereotyped 12 on the transverse end surface 13 of travelling car 1-1 rear end and the front surface 14 of panel-like member 8, described dull and stereotyped 12 relative inner surface all be parallel to travelling car lateral cross section and between distance be slightly larger than the diameter of foreign steamer 5, do not limit the rolling of foreign steamer 5 sealed the time to realize how much.
During work, under the driving of dynamical system, eccentric wheel 2 drives the rolling of foreign steamer 5 when self central axis rotates, when travelling forward, the transverse end surface 13 that foreign steamer 5 promotes travelling car 1-1 rear end travels forward, and when moving backward, the front surface 14 that foreign steamer 5 promotes panel-like member 8 moves backward, panel-like member 8 drives travelling car 1-1 motion backward synchronously by leading screw 11, and promptly transmission system drives travelling car 1-1 horizontal reciprocating movement.
With embodiment 8, being connected between travelling car 1-1 and the panel-like member 8 be not limited to leading screw and connect, can also adopt shaped steel to connect, perhaps the connected mode that combines of leading screw, shaped steel; No matter be leading screw, shaped steel or other attaching parts, can be from the top and/or the below stride across eccentric shaft 2 and avoid eccentric shaft 3, bearing 4 and foreign steamer 5 or from the top and/or the below directly stride across foreign steamer 5 and be provided with, perhaps from the left side and/or the right side stride across eccentric wheel 3, bearing 4 and foreign steamer 5 and avoid described eccentric shaft 2 and be provided with.
With embodiment 8, as shown in figure 18, transmission system K can also comprise two groups of identical eccentric wheels 3, bearing 4 and foreign steamer 5, symmetry is positioned at the both sides of the longitudinal centre line of travelling car 1-1, and the left and right sides of every group of eccentric wheel 3, bearing 4 and foreign steamer 5 is provided with leading screw and is used to be connected travelling car 1-1 and panel-like member 8.
Claims (19)
1. cooling machine transmission system, described cooling machine comprises the comb bed of carrying and transported material, travelling car and dynamical system, the lateral cross section of described travelling car is perpendicular to the mass transport direction, the longitudinal centre line of described travelling car is the center line of described travelling car along the mass transport direction, described comb bed places on the described travelling car, described dynamical system, transmission system is connected successively with travelling car, described dynamical system to described transmission system provide power make this transmission system drive described travelling car and on the comb bed do front-rear reciprocation movement, it is characterized in that, described transmission system comprises along the eccentric shaft of mass transport direction horizontally set, with the suitable columniform eccentric wheel of eccentric shaft, be used to support the bearing block and the locking mechanism of this eccentric shaft, described dynamical system links to each other with this eccentric shaft, driving this eccentric shaft rotates and drives described eccentric wheel around himself central axis and rotate around the central axis of this eccentric shaft, described locking mechanism comprise relative before, back inner surface, before described, back inner surface constitutes spatial accommodation, described eccentric wheel can freely turn round after placing described spatial accommodation, described relative before, minimum range between the back inner surface is slightly larger than eccentric diameter, described locking mechanism also comprises fixed structure, described fixed structure is avoided described eccentric shaft and described eccentric wheel setting, be used for fixedly connected with described travelling car and fixing described relative before, relative position between the back inner surface.
2. a kind of cooling machine transmission system according to claim 1, it is characterized in that described transmission system also comprises bearing and foreign steamer, described foreign steamer is contained on the described eccentric face of cylinder by described bearing holder (housing, cover), the outer peripheral face of described foreign steamer is the face of cylinder or cydariform face, described eccentric wheel all can freely turn round after together placing described spatial accommodation together with this bearing and foreign steamer, before described locking mechanism relative, minimum range between the back inner surface is slightly larger than the maximum outer circumference diameter of described foreign steamer, and described fixed structure is avoided described eccentric shaft, eccentric wheel, bearing and foreign steamer setting.
3. a kind of cooling machine transmission system according to claim 1 and 2, it is characterized in that the interior equilibrium of described travelling car is provided with one or more grooves of up/down perforation, the locking mechanism of described transmission system is one or more corresponding to groove, the front and back inner surface of described locking mechanism is the front and back inner surface of described groove, and described fixed structure is the travelling car body.
4. a kind of cooling machine transmission system according to claim 3 is characterized in that described groove is symmetrical in the longitudinal centre line setting of described travelling car, and the forward and backward inner surface of described groove is parallel to the lateral cross section of described travelling car.
5. a kind of cooling machine transmission system according to claim 1 is characterized in that described fixed structure comprises the fixture with described forward and backward inner surface, and described fixture is fixed on the described travelling car.
6. a kind of cooling machine transmission system according to claim 2 is characterized in that described fixed structure comprises the fixture with described forward and backward inner surface, and described fixture is fixed on the described travelling car.
7. a kind of cooling machine transmission system according to claim 5, it is characterized in that described fixture is a hollow cylinder, its hollow space is surrounded by forward and backward and upper and lower surface, the front and rear surfaces of its hollow space is the forward and backward inner surface of described locking mechanism, and the minimum range between the upper and lower surface of its hollow space is greater than the eccentric throw sum of eccentric diameter and two times; One or more described hollow cylinder equilibriums are arranged on the front end and/or the rear end of travelling car, perhaps be arranged in the groove of corresponding one or more up/down perforations of offering in the described travelling car, perhaps be arranged between two travelling cars, with form to travelling car along the mass transport direction forward, the motive force and the motive force that move backward.
8. a kind of cooling machine transmission system according to claim 6, it is characterized in that described fixture is a hollow cylinder, its hollow space is surrounded by forward and backward and upper and lower surface, the front and rear surfaces of its hollow space is the forward and backward inner surface of described locking mechanism, and the minimum range between the upper and lower surface of its hollow space is greater than the maximum outer circumference diameter of foreign steamer and two times eccentric throw sum; One or more described hollow cylinder equilibriums are arranged on the front end and/or the rear end of travelling car, perhaps be arranged in the groove of corresponding one or more up/down perforations of offering in the described travelling car, perhaps be arranged between two travelling cars, with form to travelling car along the mass transport direction forward, the motive force and the motive force that move backward.
9. according to claim 7 or 8 described a kind of cooling machine transmission systems, it is characterized in that described hollow cylinder is symmetrical in the longitudinal centre line setting of described travelling car, the forward and backward surface of the hollow space of its hollow cylinder all is parallel to the lateral cross section of described travelling car.
10. according to claim 5 or 6 described a kind of cooling machine transmission systems, it is characterized in that described fixture comprises the forward and backward fixture of the forward and backward inner surface that has described locking mechanism respectively, and fixedly connected forward and backward fixture and avoid described eccentric shaft, eccentric wheel and bearing and connector that foreign steamer is provided with; One or more described locking mechanisms are balancedly fixedlyed connected with the rear end of described travelling car by preceding fixture separately, before perhaps described fixture be travelling car rear end, this moment the travelling car rear end transverse end surface be the preceding inner surface of locking mechanism, with form to travelling car along the mass transport direction forward, the motive force and the motive force that move backward; And/or one or more described locking mechanisms are balancedly fixedlyed connected with the front end of described travelling car by back fixture separately, perhaps described back fixture be travelling car front end, this moment the travelling car front end transverse end surface be the back inner surface of locking mechanism, with form to travelling car along the mass transport direction forward, the motive force and the motive force that move backward; And/or one or more described locking mechanism equilibriums are arranged in the groove of corresponding one or more up/down perforations of offering in the described travelling car, described forward and backward fixture is connected with the front and back medial surface of described groove respectively, with form to travelling car along the mass transport direction forward, the motive force that moves backward; And/or one or more described locking mechanism equilibriums are arranged between two described travelling cars, its preceding fixture is balancedly fixedlyed connected with the rear end of front travelling car, thereafter fixture is balancedly fixedlyed connected with the front end of back travelling car, before perhaps described, back fixture is respectively the rear end of front travelling car and the front end of back travelling car, the transverse end surface of travelling car rear end, front is the preceding inner surface of locking mechanism at this moment, the transverse end surface of back travelling car front end is the back inner surface of locking mechanism, to form to two travelling cars along the mass transport direction forward, the motive force of Yi Donging backward.
11. a kind of cooling machine transmission system according to claim 10, it is characterized in that described locking mechanism is symmetrical in the longitudinal centre line setting of described travelling car, the forward and backward inner surface of described forward and backward fixture all is parallel to the lateral cross section of described travelling car, and the transverse end surface of the front-end and back-end of described travelling car all is parallel to the lateral cross section of travelling car.
12. according to claim 5 or 6 described a kind of cooling machine transmission systems, it is characterized in that described fixture comprises the forward and backward fixture of the forward and backward inner surface that has described locking mechanism respectively, the described forward and backward fixture of one or more described locking mechanisms by will be separately is separately fixed at the lower surface of described travelling car and balancedly is fixed on the travelling car, with form to travelling car along the mass transport direction forward, the motive force that moves backward.
13. a kind of cooling machine transmission system according to claim 12, it is characterized in that described locking mechanism is symmetrical in the longitudinal centre line setting of described travelling car, the forward and backward inner surface of described forward and backward fixture all is parallel to the lateral cross section of described travelling car.
14. a kind of cooling machine transmission system according to claim 13, it is characterized in that the lower surface of described travelling car corresponding between described forward and backward fixture is provided with the groove of pit or perforation, described eccentric wheel of part or foreign steamer are positioned at this pit or groove.
15. a kind of cooling machine transmission system according to claim 1, it is characterized in that being respectively arranged with flat board on the relative forward and backward inner surface of described locking mechanism, minimum distance is slightly larger than described eccentric diameter between the described corresponding dull and stereotyped relative inner surface.
16. a kind of cooling machine transmission system according to claim 2, it is characterized in that being respectively arranged with flat board on the relative forward and backward inner surface of described locking mechanism, minimum distance is slightly larger than the maximum outer circumference diameter of described foreign steamer between the described corresponding dull and stereotyped relative inner surface.
17., it is characterized in that described corresponding dull and stereotyped relative inner surface all is parallel to the lateral cross section of described travelling car according to claim 15 or 16 described a kind of cooling machine transmission systems.
18. a cooling machine drive mechanism comprises travelling car, it is characterized in that also comprising the described transmission system that is combined as a whole or is fixedly linked with travelling car of one of claim 1-17.
19. cooling machine, described cooling machine comprises comb bed, travelling car and the dynamical system of carrying and transported material, described comb bed places on the described travelling car, described dynamical system, transmission system and travelling car are connected successively, described dynamical system for described transmission system provide power make this transmission system drive described travelling car and on the comb bed do before and after horizontal reciprocating movement, it is characterized in that described transmission adopted is as transmission system as described in one of claim 1-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100895487A CN101608870B (en) | 2009-07-23 | 2009-07-23 | Transmission system for grate cooler, transmission structure and grate cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100895487A CN101608870B (en) | 2009-07-23 | 2009-07-23 | Transmission system for grate cooler, transmission structure and grate cooler |
Publications (2)
| Publication Number | Publication Date |
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| CN101608870A CN101608870A (en) | 2009-12-23 |
| CN101608870B true CN101608870B (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100895487A Expired - Fee Related CN101608870B (en) | 2009-07-23 | 2009-07-23 | Transmission system for grate cooler, transmission structure and grate cooler |
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| CN (1) | CN101608870B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105180661B (en) * | 2015-08-07 | 2017-08-11 | 南京西普水泥工程集团有限公司 | The mechanical structure of cooling machine column motion can be realized |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB821687A (en) * | 1956-01-20 | 1959-10-14 | Smidth & Co As F L | Improvements relating to the conveying, and simultaneous heating or cooling, of material in bulk |
| CN201049928Y (en) * | 2007-05-28 | 2008-04-23 | 江都市华伦化机环保设备厂 | Grid cooling machine transmission shaft device |
-
2009
- 2009-07-23 CN CN2009100895487A patent/CN101608870B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB821687A (en) * | 1956-01-20 | 1959-10-14 | Smidth & Co As F L | Improvements relating to the conveying, and simultaneous heating or cooling, of material in bulk |
| CN201049928Y (en) * | 2007-05-28 | 2008-04-23 | 江都市华伦化机环保设备厂 | Grid cooling machine transmission shaft device |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平6-247755A 1994.09.06 |
| 闻岩等.一种新型熟料推动方式的蓖式冷却机.《硅酸盐通报》.2009,第28卷(第1期),117-120. * |
| 高玉宗等.各种水泥熟料冷却机的技术改造方案.《2006年水泥技术交流大会暨第八届全国水泥技术交流大会论文集》.2006,132-139. * |
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Assignee: Beijing HQJG Machine Producing Co., Ltd. Assignor: Gao Yuzong Contract record no.: 2012990000313 Denomination of invention: Transmission system for grate cooler, transmission structure and grate cooler Granted publication date: 20101208 License type: Exclusive License Open date: 20091223 Record date: 20120511 |
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Assignee: Beijing HQJG Machine Producing Co., Ltd. Assignor: Gao Yuzong Contract record no.: 2012990000313 Date of cancellation: 20140127 |
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