CN202725634U - Transmission device of 45-degree top-cross continuous rolling unit - Google Patents

Transmission device of 45-degree top-cross continuous rolling unit Download PDF

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Publication number
CN202725634U
CN202725634U CN2012204413688U CN201220441368U CN202725634U CN 202725634 U CN202725634 U CN 202725634U CN 2012204413688 U CN2012204413688 U CN 2012204413688U CN 201220441368 U CN201220441368 U CN 201220441368U CN 202725634 U CN202725634 U CN 202725634U
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CN
China
Prior art keywords
bevel gear
topcross
tandem rolling
rolling units
power shaft
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CN2012204413688U
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Chinese (zh)
Inventor
邓华容
陈南宁
刘炜
陈立坤
范思石
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BEIJING JINGCHENG RUIXIN CHANGCAI ENGINEERING TECHNOLOGY Co Ltd
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BEIJING JINGCHENG RUIXIN CHANGCAI ENGINEERING TECHNOLOGY Co Ltd
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Abstract

The utility model provides a transmission device of a 45-degree top-cross continuous rolling unit. The transmission device comprises a reversing variable-speed distribution device with two output shafts and a driving motor capable of being arranged on one side of the rolling center line of the 45-degree top-cross continuous rolling unit, the rotating center lines of the two output shafts are perpendicular to the rotating center line of an input shaft of the reversing variable-speed distribution device, the rotating center line of the input shaft of the reversing variable-speed distribution device are perpendicular to the rolling center line of the 45-degree top-cross continuous rolling unit, the two output shafts of the reversing variable-speed distribution device are connected with input shafts of driven bevel gear boxes of a pair of adjacent frames in the 45-degree top-cross continuous rolling unit respectively, the rotating center line of an output shaft of the driving motor is perpendicular to the rolling center line of the 45-degree top-cross continuous rolling unit, and the output shaft of the driving motor is connected with the input shaft of the reversing variable-speed distribution device. The driving motor in the transmission device of the 45-degree top-cross continuous rolling unit is arranged on one side of the rolling center line, and the transmission device is good in working environment and convenient to maintain.

Description

The transmission device of 45 ° of tandem rolling units of topcross
Technical field
The utility model relates to the transmission device of 45 ° of tandem rolling units of a kind of topcross, is applicable to mm finishing mill unit and the pre-finishing mill group of bar, wire rod, belongs to the rolling machinery field.
Background technology
Metal wire rod needs it is carried out roll after casting out blank watering, and usually needs many group milling trains carry out tandem rolling, and the cross section of wire rod also constantly reduces.In recent years, the High Speed Wire Rod Continuous Rolling Mill group extensively adopts 45 ° of tandem rolling units of topcross as mm finishing mill unit and pre-finishing mill group.As depicted in figs. 1 and 2, existing 45 ° of tandem rolling units of high-speed rod topcross as mm finishing mill unit generally include base and 10 frames that are fixed on the base, and the roll of 10 frames becomes 45 ° of topcross alternately to arrange with the rolling centerline of level.As shown in Figure 1; the transmission device that this tandem rolling unit adopts normally comprises a drive motors 100 and a double output shaft gearbox 200; wherein; the output shaft of drive motors 100 connects with the power shaft of double output shaft gearbox 200; two output shafts of double output shaft gearbox 200 have different rotating speeds; one of them output shaft transmission odd number frame group-1# frame; the 3# frame; the 5# frame; 7# frame and 9# frame; another output shaft transmission even numbers frame group-2# frame; the 4# frame; the 6# frame; 8# frame and 10# frame, thus the mm finishing mill unit of a compactness become.But through production practices, this 45 ° of tandem rolling units of topcross by 10 frame compact Layout have following shortcoming:
One, drive motors and two shaft gearbox are arranged in the below of the water cooling box of rolling line outlet side, and environment is abominable, is not easy to inspection and maintenance;
They are two years old, the power of drive motors is large, size is large, and need place the below of water cooling box, the power shaft of two shaft gearboxes and output shaft can not design on a horizontal plane, therefore the center line of power shaft (speedup gear wheel) will be lower than the certain distance of output shaft, has increased size and the weight of the casing of the size of travelling gear of two shaft gearboxes and two shaft gearboxes;
The tandem rolling unit mid frame spacing of its three, 10 central driving is little, can't solve the excessive problem that causes interior tissue to worsen of rolled piece temperature rise, and since 10 frames by same drive motors central driving, can't regulate respectively the rotating speed of every group of roll.Along with the development of production technology and electronic control technology, need two frames or four close-coupled combination tandem rolling units that frame is one group of independent transmission.
The utility model content
Be installed in the below of water cooling box of rolling line outlet side for the transmission device that solves above-mentioned wire and rod continuous rolling unit of the prior art and the problems such as inconvenience maintenance that cause, the utility model provides the transmission device of 45 ° of tandem rolling units of a kind of topcross, drive motors can be arranged at a side of rolling centerline, good work environment, easy to maintenance.
Technical scheme provided by the utility model is as follows:
The transmission device of 45 ° of tandem rolling units of a kind of topcross, 45 ° of tandem rolling units of topcross comprise at least two frames, and the roll of adjacent frame is mutually 90 ° of layouts, and every frame includes the driven wheel of differential case that drives its roll motion; It is characterized in that the transmission device of 45 ° of tandem rolling units of described topcross is used to the frame of 45 ° of tandem rolling units of topcross that power is provided, and comprising:
Commutation speed change distributor with two output shafts, the rotation centerline of two output shafts of described commutation speed change distributor all with vertical setting of rotation centerline of the power shaft of described commutation speed change distributor, and the rolling centerline of 45 ° of tandem rolling units of the rotation centerline of the power shaft of described commutation speed change distributor and topcross is vertical, and two output shafts of described commutation speed change distributor connect with the power shaft of driven wheel of differential case of a pair of adjacent frame in 45 ° of tandem rolling units of topcross respectively; And,
Can be arranged at the drive motors of a side of the rolling centerline of 45 ° of tandem rolling units of topcross, the rotation centerline of the output shaft of described drive motors is perpendicular to the rolling centerline setting of 45 ° of tandem rolling units of topcross, and the output shaft of described drive motors connects with the power shaft of described commutation speed change distributor;
The power shaft of the described commutation speed change of the output shaft transmission distributor of described drive motors; The frame of 45 ° of tandem rolling units of output shaft transmission topcross of described commutation speed change distributor.
Further, described commutation speed change distributor comprises the bevel gear distributor box with two output shafts;
The power shaft of described bevel gear distributor box is perpendicular to the rolling centerline of 45 ° of milling train groups of topcross, and the power shaft of described bevel gear distributor box connects with the output shaft of described drive motors;
All the power shaft with described bevel gear distributor box is vertical for two output shafts of described bevel gear distributor box, and two output shafts of described bevel gear distributor box connect with the power shaft of driven wheel of differential case of a pair of adjacent frame in 45 ° of tandem rolling units of topcross respectively.
Further, described commutation speed change distributor comprises:
Be used for the gearbox of speed governing, all the rolling centerline with 45 ° of milling train groups of topcross is vertical with output shaft for the power shaft of described gearbox, and the power shaft of described gearbox connects with the output shaft of described drive motors;
And,
Have the bevel gear distributor box that is used for changing the direction of motion of two output shafts, the power shaft of described bevel gear distributor box is vertical with the rolling centerline of 45 ° of milling train groups of topcross, and the power shaft of described bevel gear distributor box connects with the output shaft of described gearbox; All the power shaft with described bevel gear distributor box is vertical for two output shafts of described bevel gear distributor box, and two output shafts of described bevel gear distributor box connect with the power shaft of driven wheel of differential case of a pair of adjacent frame in 45 ° of tandem rolling units of topcross respectively.
Further, described bevel gear distributor box comprises:
The master bevel gear casing; And,
The the first master bevel gear pair that is used for changing the direction of motion by the vertical bevel gear of a pair of axis consists of is arranged in the described master bevel gear casing;
, be arranged in the described master bevel gear casing the second master bevel gear pair that is used for changing the direction of motion that the vertical bevel gear of axis consists of by another;
Wherein,
The power shaft of described the first master bevel gear pair is the power shaft of described bevel gear distributor box;
The power shaft of described the second master bevel gear pair connects with the power shaft of described the first master bevel gear pair is coaxial;
The output shaft of the output shaft of described the first master bevel gear pair and described the second master bevel gear pair connects with the power shaft of driven wheel of differential case of a pair of adjacent frame in 45 ° of tandem rolling units of topcross respectively.
Further, the gear ratio of described the first master bevel gear pair is identical with the gear ratio of described the second master bevel gear pair;
Perhaps,
The gear ratio of described the first master bevel gear and the ratio of the gear ratio of described the second master bevel gear pair equal respectively the percentage elongation of a pair of adjacent frame that connects with the output shaft of the output shaft of described the first master bevel gear and described the second master bevel gear.
Further, described gearbox comprises:
The gearbox casing;
Be used for the cylindrical gear pair of speed governing, be arranged in the described gearbox casing;
Wherein,
The power shaft of described cylindrical gear pair connects with the output shaft of described drive motors;
The output shaft of described cylindrical gear pair connects with the power shaft of described master bevel gear distributor box.
Further, the transmission device of 45 ° of tandem rolling units of described topcross is arranged at entrance side and/or the outlet side of 45 ° of tandem rolling units of topcross.
The beneficial effects of the utility model are as follows:
Drive motors in the transmission device of 45 ° of tandem rolling units of topcross of the present utility model can be arranged at a side of rolling centerline, and by a pair of adjacent frame in 45 ° of tandem rolling units of two output shafts difference transmission topcross of commutation speed change distributor, good work environment, convenient for maintaining.
Description of drawings
Fig. 1 is the structural representation of 45 ° of tandem rolling units of topcross of the prior art;
Fig. 2 is the positional structure schematic diagram of adjacent frame in 45 ° of tandem rolling units of topcross of the prior art;
Fig. 3 is the structural representation of the first embodiment of the transmission device of 45 ° of tandem rolling units of the utility model topcross;
Fig. 4 is the structural representation of the second embodiment of the transmission device of 45 ° of tandem rolling units of the utility model topcross;
Fig. 5 is the structural representation of the 4th kind of embodiment of the transmission device of 45 ° of tandem rolling units of the utility model topcross;
Fig. 6 is the structural representation of the third embodiment of the transmission device of 45 ° of tandem rolling units of the utility model topcross.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As depicted in figs. 1 and 2; 45 ° of tandem rolling units of topcross of the prior art comprise 10 frame-1#, 2#, 3#, 4#, 5#, 6#, 7#, 8#, 9# and the 10# frame that adopts 45 ° of layouts of topcross; the roll of 10 frames becomes 45 ° of topcross alternately to arrange with the rolling centerline a of level; form two row's frames; one row is odd number frame group-1# frame, 3# frame, 5# frame, 7# frame and 9# frame, and another row is even numbers frame group-2# frame, 4# frame, 6# frame, 8# frame and 10# frame.As shown in Figure 1, the transmission device that 45 ° of tandem rolling units of topcross of the prior art adopt normally comprises a drive motors 100 and a double output shaft gearbox 200, wherein, the rolling centerline of 45 ° of tandem rolling units of the rotation centerline of the output shaft of drive motors 100 and topcross overlaps or is parallel, the power shaft of double output shaft gearbox 200 and the rotation centerline of output shaft are parallel to each other, the output shaft of drive motors 100 connects with the power shaft of double output shaft gearbox 200, two output shafts of double output shaft gearbox 200 have different rotating speeds, one of them output shaft transmission odd number frame group, another output shaft transmission even numbers frame group, thus the mm finishing mill unit of a compactness become.But 45 ° of tandem rolling units of this topcross are because drive motors 100 and double output shaft gearbox 200 are arranged in the below of the water cooling box of rolling line outlet side, and environment is abominable, is not easy to inspection and maintenance.
In order to address the above problem, the utility model provides the transmission device of 45 ° of tandem rolling units of a kind of topcross, transmission device to 45 ° of tandem rolling units of topcross improves, its drive motors 100 is arranged on the side of rolling centerline a, and needn't be installed in the water cooling box below of the outlet side of this tandem rolling unit, good work environment, and be convenient to maintenance.
Before the transmission device to 45 ° of tandem rolling units of topcross of the present utility model describes, at first layout and its structural principle of each frame in 45 ° of tandem rolling units of topcross of the prior art are carried out lower explanation.
As depicted in figs. 1 and 2,45 ° of tandem rolling units of topcross comprise a base 300, set gradually at least two frames 400 on the base 300, every frame 400 all has the driven wheel of differential case 401 of bevel gear pair and the roller case 403 that is used for installing roll 402 that is fixedly connected with driven wheel of differential case 401, adopt the orthogonal bevel gear of a pair of axis to consist of and the bevel gear pair of driven wheel of differential case 401 is general, and so that the rotation centerline of the power shaft of driven wheel of differential case 401 and output shaft is mutually vertical, wherein, the rotation centerline of the power shaft of driven wheel of differential case 401 is parallel with rolling centerline a, the rotation centerline of the output shaft of driven cone pulley tooth case 401 is vertical with rolling centerline a, and roll 402 is installed on the output shaft of driven wheel of differential case 401.Each frame 400 is connected successively in one row's odd number frame group, and each frame 400 is connected successively in another row's even numbers frame group.An output shaft of double output shaft gearbox 200 connects with the power shaft of odd number frame group near the driven wheel of differential case 401 of the frame of entrance side, thereby power is reached the power shaft of the driven wheel of differential case 401 of other odd number frames that its roll 402 and series connection with it connect, thereby realize roll 402 transmissions of odd number frame group; Another output shaft of double output shaft gearbox 200 connects with the power shaft of even numbers frame group near the driven wheel of differential case 401 of the frame of entrance side, thereby power is reached the power shaft of the driven wheel of differential case 401 of other even numbers frames that its roll 402 and series connection with it connect, thereby realize roll 402 transmissions of even numbers frame group.Double output shaft gearbox 200 is used for speed governing, and the output speed of odd number frame group and even numbers frame group is that the speed ratio by the cylindrical gear pair in the double output shaft gearbox 200 disposes.
On the basis of 45 ° of tandem rolling units of topcross in the prior art, the transmission device of 45 ° of tandem rolling units of topcross of the present utility model below is described, the transmission device of 45 ° of tandem rolling units of this topcross can be used as the transmission device of mm finishing mill unit of bar or wire rod and the transmission device of pre-finishing mill group, that is to say that the 45 ° of tandem rolling units of topcross with transmission device of 45 ° of tandem rolling units of this topcross can be used as mm finishing mill unit or the pre-finishing mill group of bar or wire rod.
Shown in Fig. 2 to 6, the transmission device of 45 ° of tandem rolling units of topcross of the present utility model is used to 45 ° of tandem rolling units of topcross mid frame that power is provided, and it comprises:
Commutation speed change distributor with two output shafts, the rotation centerline of two output shafts of this commutation speed change distributor all rotation centerline with the power shaft of the speed change distributor that commutates are vertical; And,
Can be arranged at the drive motors 100 of a side of the rolling centerline a of 45 ° of tandem rolling units of topcross, the rotation centerline of the output shaft of this drive motors 100 is perpendicular to the rolling centerline a of milling train group;
Wherein, the rolling centerline a of 45 ° of tandem rolling units of rotation centerline and topcross of the power shaft of commutation speed change distributor is vertical, and the output shaft of drive motors 100 connects by shaft coupling with the power shaft of commutation speed change distributor, drives the power shaft motion of commutation speed change distributor;
Two output shafts of commutation speed change distributor connect by shaft coupling near the power shaft of the driven wheel of differential case 401 of a pair of adjacent frame 400 of outlet side or entrance side respectively with in 45 ° of tandem rolling units of topcross, drive the roll motion of frame 400.
The output shaft of the middle drive motors of the transmission device of 45 ° of tandem rolling units of this topcross is mutually vertical with the rotation centerline of the output shaft of commutation speed change distributor, therefore, can be so that drive motors be installed in rolling centerline one side of 45 ° of tandem rolling units of topcross, and need not be confined to be installed in the below of the entrance side equipment of the water cooling box below of outlet side of 45 ° of tandem rolling units of topcross or 45 ° of tandem rolling units of topcross, the transmission process of this transmission device is:
The power shaft of the output shaft transmission commutation speed change distributor of drive motors 100, two output shaft of power shaft transmission of commutation speed change distributor, two output shafts are the power shaft of the driven wheel of differential case 401 of a pair of adjacent frame 400 of the close outlet side in 45 ° of tandem rolling units of transmission topcross or entrance side respectively again, when every group milling train group mid frame 400 quantity are two, then realize roll 402 motions of two frames 400; When 45 ° of tandem rolling units of topcross mid frame, 400 quantity are four, six or six when above, then can drive respectively again the roll motion of other each frames of series connection with it near a pair of adjacent frame 400 of outlet side or entrance side.
The drive motors 100 of the transmission device of 45 ° of tandem rolling units of topcross of the present utility model is arranged on the side of the rolling centerline a of 45 ° of tandem rolling units of topcross, the output shaft rotation centerline of drive motors 100 is perpendicular to rolling centerline a, commutation speed change distributor can carry out speed governing on the one hand, can change on the other hand the direction of motion of the outputting power of drive motors 100, the outputting power of drive motors 100 is passed to the power shaft of the driven wheel of differential case 401 of each frame 400, because drive motors 100 can be arranged at the below of the entrance side equipment of the water cooling box below of milling train group outlet side or 45 ° of tandem rolling units of topcross again, good work environment, easy to maintenance.
As shown in Figure 3, in the utility model, commutation speed change distributor can comprise gearbox 11 and bevel gear distributor box 12, and wherein, gearbox 11 is used for speed governing, and all the rolling centerline a with the milling train group is vertical with output shaft for the power shaft of gearbox 11; And the power shaft of gearbox 11 connects with the output shaft of drive motors 100 as the power shaft of this commutation speed change distributor;
Bevel gear distributor box 12 is used for changing the direction of motion, and it has two output shafts, and the rolling centerline a of 45 ° of tandem rolling units of the power shaft of bevel gear distributor box 12 and topcross is vertical, and the power shaft of bevel gear distributor box 12 connects with the output shaft of gearbox 11; All the power shaft with bevel gear distributor box 12 is vertical for two output shafts of bevel gear distributor box 12; And two output shafts of bevel gear distributor box 12 are as two output shafts of this commutation speed change distributor, connect with the power shaft of driven wheel of differential case 401 of a pair of adjacent frame 400 in 45 ° of tandem rolling units of topcross respectively.
In the utility model, the transmission device that adopts gearbox 11, bevel gear distributor box 12 to form can utilize the roller case 403 of existing frame 400 and driven wheel of differential case 401 existing versions to be combined into easily to have to organize 45 ° of tandem rolling units of topcross that the milling train groups consist of more.
Preferably, the utility model is for four of needs, six, and 6 rolling lines with 45 ° of tandem rolling units of topcross of upper spider, can adopt many group milling train groups to combine, many group milling train groups can be two rolling mill groups, four rolling mill groups, six rolling mill groups, eight rolling mill groups etc. adopt 45 ° of tandem rolling units of topcross of this combining form, the requirement of more satisfied existing production technology and stocking on-line cooling technique.
In addition, in the utility model, bevel gear distributor box 12 can adopt existing double output shaft bevel gear box.Particularly, as shown in Figure 3, bevel gear distributor box 12 in the utility model comprises the master bevel gear casing and is arranged at secondary the 121 and second master bevel gear pair 122 of the first interior master bevel gear of master bevel gear casing, as shown in Figure 3, the first master bevel gear secondary 121 all is to adopt the vertical bevel gear of a pair of axis to consist of with the second master bevel gear pair 122, wherein, the power shaft of the first master bevel gear pair 121 is the power shaft of bevel gear distributor box 12; The power shaft of the second master bevel gear pair 122 connects with the power shaft of the first master bevel gear pair 121 is coaxial; The output shaft of the output shaft of the first master bevel gear pair 121 and the second master bevel gear pair 122 is respectively as two output shafts of bevel gear distributor box 12, connects by shaft coupling 500 near the power shaft of the driven wheel of differential case 401 of a pair of adjacent frame 400 of entrance side or outlet side respectively with in the milling train group.
In addition, in the utility model, gearbox 11 can adopt existing single output shaft gearbox.Particularly, as shown in Figure 3, the gearbox 11 in the utility model comprises the gearbox casing and is arranged at the interior cylindrical gear pair 111 that is used for speed governing of gearbox casing; Wherein, the power shaft of cylindrical gear pair 111 connects with the output shaft of drive motors 100 as the power shaft of this gearbox 11; The output shaft of cylindrical gear pair 111 connects by shaft coupling 500 with the power shaft of bevel gear distributor box 12 as the output shaft of this gearbox 11.
Wherein, the driven wheel of differential case 401 in gearbox 11, bevel gear distributor box 12 and each frame 400 all can dispose speed ratio with the different speed of even numbers frame group according to the odd number frame group in 45 ° of tandem rolling units of topcross.
Specifically, following several speed ratio allocation plan can be arranged:
The speed ratio of (1) first master bevel gear secondary 121 and the second master bevel gear pair 122 is identical or be 1 ︰ 1, and the speed ratio of the bevel gear pair in the driven wheel of differential case 401 of adjacent two frames 400 that are connected respectively with two output shafts of bevel gear distributor box 12 disposes according to the determined percentage elongation of rolling mill practice.
The speed ratio of the bevel gear pair in the driven wheel of differential case 401 of adjacent two frames 400 that (2) connect respectively with two output shafts of bevel gear distributor box 12 speed ratio identical or that be secondary the 121 and second master bevel gear pair 122 of 1 ︰, 1, the first master bevel gear disposes according to the determined percentage elongation of rolling mill practice.
(3) speed ratio of the cylindrical gear pair 111 of gearbox 11 disposes according to the speed ratio of the bevel gear pair in mill speed, motor speed, the first master bevel gear pair 121, the second master bevel gear secondary 122 and the driven wheel of differential case 401.
Need to prove that in the utility model, gearbox 11 is separately set in rolling centerline a one side of 45 ° of tandem rolling units of topcross, and directly be not connected with the frame 400 of 45 ° of tandem rolling units of topcross, like this, gearbox 11 can modular in design, and satisfies various speed ratio requirements; And when adopting many group milling train groups to be combined to form in 45 ° of tandem rolling units of topcross, each milling train group can be established respectively gearbox 11, the speedup of the bevel gear pair of the driven wheel of differential case 401 of frame 400 or speed reducing ratio just can reduce like this, thereby have improved life-span of bevel gear pair of the driven wheel of differential case 401 of frame 400.
Need to prove that also gearbox 11 and bevel gear distributor box 12 also can be made of one.
In addition, also need to prove, when gearbox 11 needs the speed ratio of configuration to be 1:1, also the output shaft of drive motors 100 directly can be connected by shaft coupling 500 with the power shaft of bevel gear distributor box 12, and directly drive bevel gear distributor box 12 by drive motors 100.
In addition, also need to prove, because drive motors 100 can be arranged at rolling centerline one side in the transmission device of 45 ° of tandem rolling units of topcross of the present utility model, therefore, when the milling train of group more than 45 ° of tandem rolling units of topcross are adopted as groups combine, every group of milling train group can arrange one group of transmission device or two groups of transmission devices, and when one group of transmission device only was set, transmission device can be arranged at entrance side or the outlet side of each milling train group; When two groups of transmission devices were set, two groups of transmission devices can be arranged at respectively entrance side and the outlet side of each milling train group.Such as, for the milling train group of four frames 400, can one group of transmission device respectively be set at entrance side and outlet side, the frame 400 of transmission entrance side and outlet side also can only arrange one group of transmission device, and be placed on entrance side or the outlet side of milling train group respectively.Milling train group for six, eight frames 400, can one group of transmission device only be set at entrance side or the outlet side of milling train group, with the frame 400 of transmission entrance side or outlet side, again by with prior art in the series system of each frame in every row's frame, each frame 400 of transmission.
Comprehensively above-mentioned, the transmission device of 45 ° of tandem rolling units of topcross of the present utility model has the following advantages:
Drive motors 100 and gearbox 11 are placed on the rolling centerline a side of 45 ° of tandem rolling units of topcross, and good work environment is easy to maintenance;
Gearbox 11 can be arranged on separately the outside of 45 ° of tandem rolling units of topcross, can require modular in design according to speed ratio;
Form transmission device by gearbox 11, bevel gear distributor box 12, the tandem rolling units that can utilize the version of roller case 403, the driven wheel of differential case 401 of existing frame 400 to be combined into very easily many group combining forms such as two, four, six are combined to form 45 ° of tandem rolling units of topcross, satisfy the requirement of existing production technology and stocking on-line cooling technique;
Each milling train group is provided with respectively gearbox 11 in 45 ° of tandem rolling units of topcross, and speedup or the speed reducing ratio of the bevel gear pair in the driven wheel of differential case 401 of each frame 400 just can reduce like this, thus the life-span of having improved bevel gear pair;
The transmission device of 45 ° of tandem rolling units of this topcross can carry out modularized design, satisfies the various frame combination requirements that friction speed requires in 45 ° of tandem rolling units of topcross.
Below for several embodiment the utility model is described better.
Embodiment 1
As shown in Figure 3, in the present embodiment, the transmission device of 45 ° of tandem rolling units of topcross of the present utility model is used to the 45 ° of tandem rolling units of topcross with 1# frame and two frames of 2# frame that power is provided.
The 1# frame of 45 ° of tandem rolling units of topcross and 2# frame adopt 45 ° of layouts of topcross, are set to 90 degrees mutually.Drive motors 100 is arranged at rolling centerline a one side of 45 ° of tandem rolling units of this topcross, and the output shaft of drive motors 100 is vertical with rolling centerline a, the output shaft of the power shaft of gearbox 11 and drive motors 100 is by 500 coaxial connections of shaft coupling, the output shaft of speed increaser connects by shaft coupling 500 with the power shaft of bevel gear distributor box 12, and two output shafts of bevel gear distributor box 12 connect by shaft coupling 500 with the power shaft of the driven wheel of differential case 401 of 1# frame and 2# frame respectively.Drive motors 100 is by gearbox 11 drive bevel gear distributor boxes 12, and two output shafts of bevel gear distributor box 12 are distinguished the roll 402 of transmission 1# frame and 2# frame.
In the present embodiment, the transmission device of 45 ° of tandem rolling units of topcross can be arranged on the entrance side (shown in Figure 3) of 45 ° of tandem rolling units of this topcross, also can be arranged at the outlet side of 45 ° of tandem rolling units of this topcross.
In the present embodiment, the configuration of the speed ratio of each driving gear pair can be adopted following several:
1) speed ratio of the first master bevel gear secondary 121 and the second master bevel gear pair 122 is identical or be 1 ︰ 1, and the speed ratio of the bevel gear pair in the driven wheel of differential case 401 of adjacent two frames 400 that are connected respectively with two output shafts of bevel gear distributor box 12 disposes according to the determined percentage elongation of rolling mill practice.
The speed ratio of the bevel gear pair in the driven wheel of differential case 401 of adjacent two frames 400 that (2) connect respectively with two output shafts of bevel gear distributor box 12 speed ratio identical or that be secondary the 121 and second master bevel gear pair 122 of 1 ︰, 1, the first master bevel gear disposes according to the determined percentage elongation of rolling mill practice.
(3) speed ratio of the cylindrical gear pair 111 of gearbox 11 disposes according to the speed ratio of the bevel gear pair in mill speed, motor speed, the first master bevel gear pair 121, the second master bevel gear secondary 122 and the driven wheel of differential case 401.
Embodiment 2
As shown in Figure 4, embodiment 2 has cancelled gearbox 11 in the transmission device of the 45 ° of tandem rolling units of topcross in the present embodiment as different from Example 1, and the output shaft of drive motors 100 directly connects by shaft coupling 500 with the power shaft of bevel gear distributor box 12.
Embodiment 3
As shown in Figure 6,45 ° of tandem rolling units of the topcross in the present embodiment comprise have the 1# frame, 2# frame, 3# frame and 4# frame the milling train group of totally four frames and the transmission device of 45 ° of tandem rolling units of two groups of topcross of the present utility model.In order to guarantee that four frames have minimum, identical spacing, in the transmission device of 45 ° of tandem rolling units of two groups of topcross, one group of this transmission device is arranged at the entrance side of 45 ° of tandem rolling units of topcross, transmission 1# frame and 3# frame, another organizes the outlet side that this transmission device is arranged at 45 ° of tandem rolling units of this topcross, transmission 2# frame and 4# frame.
In the present embodiment, the speed ratio allocation plan of each gear pair is identical with embodiment 1.
Embodiment 4
45 ° of tandem rolling units of topcross in the present embodiment comprise have the 1# frame, the milling train group (being the milling train group of four frames shown in Fig. 5) of at least four frames such as 2# frame, 3# frame, 4# frame and the transmission device of 45 ° of tandem rolling units of one group of topcross of the present utility model.In addition, in the present embodiment, the transmission device of 45 ° of tandem rolling units of topcross can be arranged on entrance side (as shown in Figure 5) or the outlet side of 45 ° of tandem rolling units of this topcross.Two output shafts of the bevel gear distributor box 12 of this transmission device are transmission 1# frame and 2# frame respectively, the power shaft of the driven wheel of differential case 401 of 1# frame again with coaxial connection of power shaft of the driven wheel of differential case 401 of the frame such as 3#, with frames 400 such as transmission 3#; The power shaft of the driven wheel of differential case 401 of 2# frame again with coaxial connection of power shaft of the driven wheel of differential case 401 of the frames 400 such as 4#, with transmission 4# frame etc.
In the present embodiment, the speed ratio allocation plan of each gear pair is identical with embodiment 1.
Embodiment 5
45 ° of tandem rolling units of topcross in the present embodiment make up the various milling train groups among embodiment 1, embodiment 2, embodiment 3 and the embodiment 4 according to need of production, and form 45 ° of tandem rolling units of topcross of four, six, eight, ten etc.
The above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (8)

1. the transmission device of 45 ° of tandem rolling units of a topcross, 45 ° of tandem rolling units of topcross comprise at least two frames, and the roll of adjacent frame is mutually 90 ° of layouts, and every frame includes the driven wheel of differential case that drives its roll motion; It is characterized in that the transmission device of 45 ° of tandem rolling units of described topcross is used to the frame of 45 ° of tandem rolling units of topcross that power is provided, and comprising:
Has the commutation speed change distributor for two output shafts that connect respectively with the power shaft of the driven wheel of differential case of a pair of adjacent frame of 45 ° of tandem rolling units of topcross, the rotation centerline of two output shafts of described commutation speed change distributor all with vertical setting of rotation centerline of the power shaft of described commutation speed change distributor, and the rolling centerline of 45 ° of tandem rolling units of the rotation centerline of the power shaft of described commutation speed change distributor and topcross is vertical; And,
Can be arranged at the drive motors of a side of the rolling centerline of 45 ° of tandem rolling units of topcross, the rotation centerline of the output shaft of described drive motors is perpendicular to the rolling centerline setting of 45 ° of tandem rolling units of topcross, and coaxial connection of power shaft of the output shaft of described drive motors and described commutation speed change distributor;
The power shaft of the described commutation speed change of the output shaft transmission distributor of described drive motors;
The frame of 45 ° of tandem rolling units of output shaft transmission topcross of described commutation speed change distributor.
2. the transmission device of 45 ° of tandem rolling units of topcross according to claim 1 is characterized in that, described commutation speed change distributor comprises the bevel gear distributor box with two output shafts;
The power shaft of described bevel gear distributor box is perpendicular to the rolling centerline of 45 ° of tandem rolling units of topcross, and the power shaft of described bevel gear distributor box connects with the output shaft of described drive motors;
All the power shaft with described bevel gear distributor box is vertical for two output shafts of described bevel gear distributor box, and two output shafts of described bevel gear distributor box connect with the power shaft of driven wheel of differential case of a pair of adjacent frame in 45 ° of tandem rolling units of topcross respectively.
3. the transmission device of 45 ° of tandem rolling units of topcross according to claim 1 is characterized in that, described commutation speed change distributor comprises:
Be used for the gearbox of speed governing, all the rolling centerline with 45 ° of tandem rolling units of topcross is vertical with output shaft for the power shaft of described gearbox, and the power shaft of described gearbox connects with the output shaft of described drive motors;
And,
Have the bevel gear distributor box that is used for changing the direction of motion of two output shafts, the power shaft of described bevel gear distributor box is vertical with the rolling centerline of 45 ° of milling train groups of topcross, and the power shaft of described bevel gear distributor box connects with the output shaft of described gearbox; All the power shaft with described bevel gear distributor box is vertical for two output shafts of described bevel gear distributor box, and two output shafts of described bevel gear distributor box connect with the power shaft of driven wheel of differential case of a pair of adjacent frame in 45 ° of tandem rolling units of topcross respectively.
4. according to claim 2 or the transmission device of 45 ° of tandem rolling units of 3 described topcross, it is characterized in that described bevel gear distributor box comprises:
The master bevel gear casing; And,
The the first master bevel gear pair that is used for changing the direction of motion by the vertical bevel gear of a pair of axis consists of is arranged in the described master bevel gear casing;
, be arranged in the described master bevel gear casing the second master bevel gear pair that is used for changing the direction of motion that the vertical bevel gear of axis consists of by another;
Wherein,
The power shaft of described the first master bevel gear pair is the power shaft of described bevel gear distributor box;
The power shaft of described the second master bevel gear pair connects with the power shaft of described the first master bevel gear pair is coaxial;
The output shaft of the output shaft of described the first master bevel gear pair and described the second master bevel gear pair connects with the power shaft of driven wheel of differential case of a pair of adjacent frame in 45 ° of tandem rolling units of topcross respectively.
5. the transmission device of 45 ° of tandem rolling units of topcross according to claim 4 is characterized in that:
The gear ratio of described the first master bevel gear pair is identical with the gear ratio of described the second master bevel gear pair;
Perhaps,
The gear ratio of described the first master bevel gear and the ratio of the gear ratio of described the second master bevel gear pair equal respectively the percentage elongation of a pair of adjacent frame that connects with the output shaft of the output shaft of described the first master bevel gear and described the second master bevel gear.
6. the transmission device of 45 ° of tandem rolling units of topcross according to claim 3 is characterized in that described gearbox comprises:
The gearbox casing;
Be used for the cylindrical gear pair of speed governing, be arranged in the described gearbox casing;
Wherein,
The power shaft of described cylindrical gear pair connects with the output shaft of described drive motors;
The output shaft of described cylindrical gear pair connects with the power shaft of described master bevel gear distributor box.
7. according to claim 1, the transmission device of 45 ° of tandem rolling units of 2,3,5 or 6 described topcross, it is characterized in that: the transmission device of 45 ° of tandem rolling units of described topcross is arranged at entrance side and/or the outlet side of 45 ° of tandem rolling units of topcross.
8. the transmission device of 45 ° of tandem rolling units of topcross according to claim 4, it is characterized in that: the transmission device of 45 ° of tandem rolling units of described topcross is arranged at entrance side and/or the outlet side of 45 ° of tandem rolling units of topcross.
CN2012204413688U 2012-08-31 2012-08-31 Transmission device of 45-degree top-cross continuous rolling unit Withdrawn - After Issue CN202725634U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814336A (en) * 2012-08-31 2012-12-12 北京京诚瑞信长材工程技术有限公司 Transmission device of top cross 45-degree continuous rolling machine unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814336A (en) * 2012-08-31 2012-12-12 北京京诚瑞信长材工程技术有限公司 Transmission device of top cross 45-degree continuous rolling machine unit
CN102814336B (en) * 2012-08-31 2016-01-13 北京京诚瑞信长材工程技术有限公司 The transmission device of topcross 45 ° of Continuous mill train

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