CN202220603U

CN202220603U - Power split type dead axle transmission gear train for traction box of coal m ining machine

Info

Publication number: CN202220603U
Application number: CN2011202067864U
Authority: CN
Inventors: 章立强; 贠瑞光; 史春祥; 孙燎原; 胡璟; 黄秋来; 杨丽伟; 王振乾; 刘峰; 胡滔
Original assignee: Tiandi Shanghai Mining Equipment Technology Co Ltd; Tiandi Science and Technology Co Ltd Shanghai Branch
Current assignee: Tiandi Shanghai Mining Equipment Technology Co Ltd; Tiandi Science and Technology Co Ltd Shanghai Branch
Priority date: 2011-06-17
Filing date: 2011-06-17
Publication date: 2012-05-16
Anticipated expiration: 2021-06-17

Abstract

A power split type dead axle transmission gear train for a traction box of a coal mining machine mainly solves the technical problem of insufficient coal crossing space below the traction box of the high-power coal mining machine on a thin coal bed and adopts the technical scheme that the output end of a front planetary gear train is in driving connection with the power split type dead axle transmission gear train; and the output end of the power split type dead axle transmission gear train is in driving connection with an output shaft. The power split type dead axle transmission gear train is suitable for the traction box of the high-power coal mining machine on the thin coal bed or a thinner coal bed.

Description

Shearer haulage case power dividing type dead axle transmission train

Technical field:

The utility model relates to the drive unit of a kind of coal-winning machine, particularly a kind of coal-winning machine.

Background technology:

The shearer haulage case is one of important composition of coal-winning machine; Its position is above transporter; Like Fig. 4, shown in 5; The casing 11 ' of traction case 1 ' traverse in transporter 5 scrape plate top surface 51 and ledge end face 53, at the bottom of the preceding case of traction case 1 ' 12 ' with raising middle flask at the bottom of the middle plate top surface 52 of 13 ' respective transfer machine 5 form underneath clearances, this highly is one of key element of the whole coal of influence transportation system; The final stage transmission adopts Gear Planet Transmission train 2 ' like Fig. 4 usually in the traction case of existing coal-winning machine, and this Gear Planet Transmission train 2 ' has the output shaft 4 ' that can be connected with the coal-winning machine road wheel, along with the development of coal-mining technique; The power of traction motor of shearer haulage case constantly increases, and the also continuous thereupon change of the size of final stage Gear Planet Transmission train 2 ' broadens greatly in the traction case, and the increase of final stage Gear Planet Transmission train; 12 ', 13 ' will be at the bottom of preceding, the raising middle flask of traction case 1 ' to extending below; At the bottom of as shown in Figure 4, preceding, the raising middle flask 12 ', 13 ' and transporter 5 scrape the reduced height between plate top surface 51 and the middle plate top surface 52, the coal space of crossing of promptly drawing case 1 ' below reduces; Its result must be that coal is not smooth; Influence whole coal transportation system the most at last, when serious, the crowded card of coal, spoil etc.; Possibly cause major accidents such as disconnected piston shoes of coal-winning machine and the disconnected scraper plate of transporter, be the technical barrier that needs to be resolved hurrily in the coal-mining technique development.

The utility model content:

The utility model technical problem to be solved is: a kind of shearer haulage case power dividing type dead axle transmission train is provided; It can solve girdle or coal insufficient space problem is crossed in thinner seam high-power coal cutter traction case below, improves overall loading performance of coal-winning machine and reliability.

The technical scheme that the utility model solves the problems of the technologies described above employing is:

Shearer haulage case power dividing type dead axle transmission train has preposition planet circular system and output shaft in traction case, the traction case; Be characterized in: the output driving at preposition planet circular system is connected with a power dividing type dead axle transmission train, and the output of this power dividing type dead axle transmission train drives and is connected with output shaft.

The utility model adopts said structure; With existing structure relatively, its radial dimension will obviously reduce, promptly draw at the bottom of the preceding case of case and at the bottom of the raising middle flask to the conveyer the distance between the plate top surface will obviously increase; Can guarantee thin or the smooth and easy coal of crossing of thinner seam high-power coal cutter; Improve coal-winning machine and totally load, transport performance, and can get rid of major accidents such as disconnected piston shoes of coal-winning machine or the disconnected scraper plate of transporter, improve the reliability of equipment.

Description of drawings:

Fig. 1 is the utility model shearer haulage case power dividing type dead axle transmission train sketch map.

Fig. 2 is a B-B cross-sectional schematic among Fig. 1.

Fig. 3 is that C-C launches sketch map among Fig. 2.

Fig. 4 is the existing structure cross-sectional schematic.

Fig. 5 is an A-A cross-sectional schematic among Fig. 4.

The specific embodiment:

With reference to Fig. 1; Shearer haulage case 1; Be provided with preposition planet circular system 2 and power dividing type dead axle transmission train 3 in its housing 11; The output of this power dividing type dead axle transmission train 3 drives and is connected with output shaft 4, and traction case 1 is positioned at the top of transporter 5, and traction case 1 casing 11 traverses scrapes plate top surface 51 and ledge end face 53 in transporter 5.

Traction case 1; Before the bottom surface respective transfer machine 5 of its casing 11 is respectively at the bottom of the case 12 with raising middle flask at the bottom of 13, at the bottom of preceding, the raising middle flask of the

utility model

12,13, owing to adopt the train of new construction; The middle plate top surface 52 of transporter 5 improves a lot relatively; Be at the bottom of preceding, the raising middle flask of double dot dash line among Fig. 1 (at the bottom of preceding, the raising middle flask of existing structure 12 ', 13 ') and the

utility model

12,13 relatively, at the bottom of the case of traction case 1 and the distance between the transporter 5 strengthen, the operating coal space of crossing is strengthened.

Preposition planet circular system 2, its structure is similar with existing structure, and its output speed is higher, and relative size is also less.

Power dividing type dead axle transmission train 3 includes driving gear 31, nipper wheels 32, backgear group 33, driven gear 34, torque axis 35 and corresponding connection, supporting construction spare etc., and its agent structure is similar with prior art;

Driving gear 31, driving gear 31 is connected with the output of preposition planet circular system 2, and driving gear 31 is meshing with each other with nipper wheels 32 each gear train, and is deceleration transmission;

Nipper wheels 32; Each gear by one group of same structure is formed; The quantity of its gear is at least 2, and evenly distributes and be engaged in driving gear 31 and its pitch diameter pitch diameter greater than driving gear 31, and Fig. 1,2,3 shows that the gear quantity of nipper wheels 32 is 4; The general power shunting that forms driving gear 31 is by 4 gear transmission; The shunting of each gear load reduces, and no major diameter revolving meber structure is the key element that the power train size can obviously reduce, and also is the main cause that the utility model adds serious offense coal space;

Backgear group 33 is made up of each gear of one group of same structure equally, and corresponding to one by one each torque shaft 35 connection nipper wheels 32 each gear; It is nipper wheels 32 each gear are connected with backgear group 33 respectively through each torque axis 35 each gear; Therefore the gear quantity of the gear quantity of backgear group 33 and nipper wheels 32 is identical, and evenly distribution is engaged with driven gear 34, like Fig. 2, shown in 3; Equally all be 4 gears; The pitch diameter of backgear group 33 each gear is less than the pitch diameter of driven gear 34, slows down in the second level that forms power dividing type dead axle transmission train, is the key element that the utility model adds serious offense coal space equally;

Driven gear 34 like Fig. 2, shown in 3, is and backgear group 33 each gears engaged; Each gear that is backgear group 33 is engaged with driven gear 34 respectively; Promptly 4 backgears are evenly distributed on the circumferential of driven gear 34, form the structure of compiling transmission power, and driven gear 34 is connected with output shaft 4.

The utility model adopts power dividing type dead axle transmission train with final stage transmission in the shearer haulage case; Arrangement through gear train; With deceleration train short transverse size Control in more among a small circle; Guarantee that there are enough coal spaces of crossing traction case 1 casing 11 belows, for the design of high-power low seam mining machinery trailer system provides best technical scheme.Preposition planet circular system 2 drives driving gear 31 with power through output shaft in the running; Driving gear 31 is given nipper wheels 32 through dead axle transmission with transmission of power; This moment nipper wheels 32 by a plurality of (Fig. 2,3 shows 4) front gear with power dividing; Nipper wheels 32 each gear respectively through each torque axis 35 (Fig. 2,3 shows 4 torque axis) with transmission of power to backgear group 33 each gear; Backgear group 33 each gear are given driven gear 34 through dead axle transmission with transmission of power, promptly by a plurality of backgears the power interflow are passed to driven gear 34, and the power after finally will being collaborated by driven gear 34 spreads out of through output shaft 4.

Claims

1. shearer haulage case power dividing type dead axle transmission train; Include preposition planet circular system and output shaft in traction case, the traction case; It is characterized in that: the output driving at preposition planet circular system (2) is connected with a power dividing type dead axle transmission train (3), and the output of this power dividing type dead axle transmission train (3) drives and is connected with output shaft (4).

2. shearer haulage case power dividing type dead axle transmission train according to claim 1; It is characterized in that power dividing type dead axle transmission train (3) includes driving gear (31), nipper wheels (32), backgear group (33), driven gear (34) and torque axis (35); Driving gear (31) is connected with the output of preposition planet circular system (2); Driving gear (31) is engaged with each gear of nipper wheels (32) respectively; Each gear of nipper wheels (32) is connected with each gear of backgear group (33) respectively through each torque axis (35), and each gear of backgear group (33) is engaged with driven gear (34) respectively, and driven gear (34) is connected with output shaft (4).

3. shearer haulage case power dividing type dead axle transmission train according to claim 1; The gear quantity that it is characterized in that nipper wheels (32) is at least 2; And evenly distribution is engaged in driving gear (31); The gear quantity of backgear group (33) is identical with the gear quantity of nipper wheels (32), and evenly distribution is engaged with driven gear (34).