CN212479224U

CN212479224U - Driving wheel structure in protective coal mining machine traction block walking box

Info

Publication number: CN212479224U
Application number: CN202020655508.6U
Authority: CN
Inventors: 胡炜
Original assignee: Ward Transmission Technology Tianjin Co ltd
Current assignee: Ward Transmission Technology Tianjin Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-02-05
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a structure for protecting a driving wheel in a traveling box of a traction block of a coal mining machine, which comprises a driving wheel shaft, a driving wheel arranged on the outer wall of the driving wheel shaft, a wear-resistant sleeve arranged between the driving wheel shaft and the driving wheel, and a spline sleeve arranged at one end of the driving wheel shaft; the spline housing comprises a lower housing body, an upper housing body connected with the lower housing body to form a sleeve, and a fixed housing fixed on the outer wall of the spline housing, wherein the upper housing body and the lower housing body are both of a semi-cylindrical shape, the upper housing body is mounted on the lower housing body, the fixed housing is sleeved on the outer walls of the upper housing body and the lower housing body, and the upper housing body and the lower housing body are fixed through the fixed housing. Increase wear-resisting cover between drive wheel and the drive shaft, improved the life of drive wheel greatly to and the life of whole walking case, the spline housing adopt the components of a whole that can function independently form to install in drive shaft one end, it is comparatively convenient to install.

Description

Driving wheel structure in protective coal mining machine traction block walking box

Technical Field

The utility model belongs to the technical field of the coal-winning machine, especially, relate to a protection coal-winning machine traction block walking incasement driving wheel structure.

Background

The walking box is an executing component for the coal mining machine to walk in a dragging way, and the dragging and walking of the coal mining machine are finally realized by the meshing of the planet wheels in the walking box component and the pin row of the scraper conveyor. Under the condition of meeting large impact load, the torque transmitted by the driving shaft in the walking box is large, the shearing pin can be broken, the driving shaft rotates along with the motor all the time, the shaft and the inner hole of the driving wheel rotate for a long time to be abraded, so that the inner hole of the driving wheel is abraded and scrapped, the whole coal mining machine cannot normally operate, coal mining is influenced, and huge economic loss is brought to customers.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a protection coal-winning machine traction block walking incasement driving wheel structure to coal-winning machine traction block walking incasement driving wheel is under the great condition of impact load, because very big moment of torsion leads to the shear pin fracture of driving wheel axle front end, thereby the rotatory and rather than complex driving wheel hole friction driving wheel hole wearing and tearing of driving wheel axle, and the problem that can't normal use is scrapped to the driving wheel.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a structure for protecting a driving wheel in a traveling box of a traction block of a coal mining machine comprises a driving wheel shaft, the driving wheel arranged on the outer wall of the driving wheel shaft, a wear-resistant sleeve arranged between the driving wheel shaft and the driving wheel, and a spline sleeve arranged at one end of the driving wheel shaft;

the spline housing comprises a lower housing body, an upper housing body connected with the lower housing body to form a sleeve, and a fixed housing fixed on the outer wall of the spline housing, wherein the upper housing body and the lower housing body are both of a semi-cylindrical shape, the upper housing body is mounted on the lower housing body, the fixed housing is sleeved on the outer walls of the upper housing body and the lower housing body, and the upper housing body and the lower housing body are fixed through the fixed housing.

Further, be equipped with bolt hole, spacing groove on the lower part cover body, the upper portion cover body respectively, the bolt hole communicates with each other with the spacing groove, be equipped with the stopper corresponding with the spacing groove on the fixed cover inner wall, fixed cover cup joints on the spline housing outer wall, and the slider passes through the bolt hole and gets into the spacing groove, and the downthehole bolt of installing of bolt fixes fixed cover on the cover outer wall between the flower through the bolt, fixes the upper portion cover body and the lower part cover body through the stopper.

Further, be equipped with the slide on the terminal surface of the top of the cover body of lower part, be equipped with the slider corresponding with the slide on the terminal surface of the cover body bottom of upper portion, the slider cross-section is protruding type, the slide cross-section is corresponding with the slider cross-section, the cover body of lower part passes through the slider with the cover body of upper portion and is connected with the slide.

Further, be equipped with a plurality of first bolt holes on the cover body top end face of the lower part of spline housing, first bolt hole is located the slide inboard, be equipped with the bolt groove on the cover body of upper portion, the bolt inslot is equipped with the second bolt hole corresponding with first bolt hole, the cover body of upper portion passes through the bolt fastening on the cover body of lower part.

Further, the spacing groove is located bolt hole one end, bolt hole one end communicates with each other with the adjacent end department of spacing groove, be equipped with on the fixed cover inner wall with two stoppers that the spacing groove is corresponding, two the stopper passes through the bolt hole and gets into the spacing groove, stopper length is less than spacing groove diameter, through rotatory fixed cover, makes the stopper get into the spacing groove of keeping away from bolt hole one end, the bolt is installed and is extended to the spacing groove in the downthehole one end of bolt, laminates with the stopper lateral wall.

Furthermore, a boss and an installation part are arranged at the position of the adjacent end of the driving wheel shaft, the driving wheel is installed at the installation part at one end of the driving wheel shaft, a rack is arranged at the position, far away from the adjacent end of the boss, of the installation part, the spline housing is meshed with the rack, one end of the driving wheel abuts against the boss of the driving wheel shaft, the other end of the driving wheel abuts against the spline housing, a first shearing pin hole is formed in one end of the spline housing, a second shearing pin hole corresponding to the first shearing pin hole is formed in the side wall of the driving wheel, and the spline housing is fixed at one.

Furthermore, the inner walls of the two adjacent ends of the driving wheel shaft are provided with first annular grooves, the number of the wear-resistant sleeves is two, and the two wear-resistant sleeves are respectively arranged in the first annular grooves of the adjacent ends of the driving wheel shaft.

Furthermore, an annular groove is formed in one end, away from the boss of the driving wheel shaft, of the spline housing, a baffle is installed in the annular groove, one end of the installation portion is parallel to one end of the spline housing, and the baffle is fixed on the driving wheel shaft through bolts.

Compared with the prior art, a protection coal-winning machine traction block walking incasement driving wheel structure have following advantage:

(1) increase wear-resisting cover between drive wheel and the drive wheel shaft, improved the life of drive wheel greatly to and the life of whole walking case, wear-resisting cover is with low costs, simple to operate, and drive wheel processing cycle is long, and is with high costs, changes complicacy, the drive wheel damages moreover and leads to the unable normal operating of whole coal-winning machine, influences the coal mining volume.

(2) Spline housing adopt the components of a whole that can function independently form, the drive wheel epaxial is placed to the lower part cover body, only need install the upper portion cover body and install with the drive wheel axle installation department, fix the upper portion cover body and the lower part cover body through fixed cover again, avoided the spline housing to take place the problem that the rack that inclines and drive wheel axle installation department blocked when the installation.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a structural diagram of a driving wheel structure in a traveling box for protecting a coal mining machine traction block according to an embodiment of the present invention;

FIG. 2 is a structural diagram of a spline housing according to an embodiment of the present invention;

FIG. 3 is a structural view of an upper sleeve body of the spline sleeve according to an embodiment of the present invention;

FIG. 4 is a structural view of a lower sleeve body of a spline sleeve according to an embodiment of the present invention;

FIG. 5 is a diagram of a plug according to an embodiment of the present invention;

fig. 6 is a structural view of the fixing sleeve according to the embodiment of the present invention.

Description of reference numerals:

1. a drive axle; 2. a drive wheel; 3. a shear pin; 4. a spline housing; 5. a baffle plate; 6. a wear-resistant sleeve; 11. a boss; 41. a lower sleeve body; 42. an upper cover body; 43. fixing a sleeve; 44. a bolt; 45. an annular groove; 411. a slideway; 412. a first bolt hole; 421. a bolt slot; 422. shearing a pin hole; 423. a pin hole; 424. a slider; 425. a second bolt hole; 426. a limiting groove; 431. a limiting block; 441. and a stop block.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 6, a structure for protecting a driving wheel in a traveling box of a traction block of a coal mining machine comprises a driving wheel shaft 1, a driving wheel 2 arranged on the outer wall of the driving wheel shaft 1, a wear-resistant sleeve 6 arranged between the driving wheel shaft 1 and the driving wheel 2, and a spline sleeve 4 arranged at one end of the driving wheel shaft 1;

the spline housing 4 comprises a lower housing body 41, an upper housing body 42 connected with the lower housing body 41 to form a sleeve, and a fixing sleeve 43 fixed on the outer wall of the spline housing 4, wherein the upper housing body 42 and the lower housing body 41 are both of a semi-cylindrical shape, the upper housing body 42 is mounted on the lower housing body 41, the fixing sleeve 43 is sleeved on the outer walls of the upper housing body 42 and the lower housing body 41, and the upper housing body 42 and the lower housing body 41 are fixed through the fixing sleeve 43.

As shown in fig. 2 to 4 and 6, the lower sleeve body 41 and the upper sleeve body 42 are respectively provided with a bolt hole 423 and a limiting groove 426, the bolt hole 423 is communicated with the limiting groove 426, the inner wall of the fixed sleeve 43 is provided with a limiting block 431 corresponding to the limiting groove 426, the fixed sleeve 43 is sleeved on the outer wall of the spline sleeve 4, the slider 424 enters the limiting groove 426 through the bolt hole 423, a bolt 44 is installed in the bolt hole 423, the fixed sleeve 43 is fixed on the outer wall of the flower room sleeve through the bolt 44, and the upper sleeve body 42 and the lower sleeve body 41 are fixed through the limiting block 431.

As shown in fig. 5, a stop 441 is provided adjacent the end of the latch 44.

As shown in fig. 2 to 4, a slide way 411 is disposed on the top end surface of the lower sheath body 41, a slide block 424 corresponding to the slide way 411 is disposed on the bottom end surface of the upper sheath body 42, the section of the slide block 424 is convex, the section of the slide way 411 corresponds to the section of the slide block 424, and the lower sheath body 41 and the upper sheath body 42 are connected to the slide way 411 through the slide block 424.

As shown in fig. 2 to 4, a plurality of first bolt holes 412 are provided on the top end surface of the lower sleeve body 41 of the spline sleeve 4, the first bolt holes 412 are located inside the slide ways 411, the upper sleeve body 42 is provided with bolt grooves 421, second bolt holes 425 corresponding to the first bolt holes 412 are provided in the bolt grooves 421, and the upper sleeve body 42 is fixed on the lower sleeve body 41 by bolts.

As shown in fig. 2 to 4, the limiting groove 426 is located at one end of the bolt hole 423, one end of the bolt hole 423 is communicated with the end portion of the limiting groove 426, two limiting blocks 431 corresponding to the limiting groove 426 are arranged on the inner wall of the fixing sleeve 43, the two limiting blocks 431 enter the limiting groove 426 through the bolt hole 423, the length of the limiting blocks 431 is smaller than the diameter of the limiting groove 426, the limiting blocks 431 enter the limiting groove 426 far away from one end of the bolt hole 423 by rotating the fixing sleeve 43, and the bolt 44 is installed in the bolt hole 423 with one end extending into the limiting groove 426 and attached to the side wall of the limiting blocks 431.

As shown in fig. 1, a boss 11 and a mounting portion are arranged at a position near an end of a driving wheel shaft 1, a driving wheel 2 is mounted at the mounting portion at one end of the driving wheel shaft 1, a rack is arranged at a position far away from the boss 11 and near the end, a spline housing 4 is meshed with the rack, one end of the driving wheel 2 is supported against the boss 11 of the driving wheel shaft 1, the other end of the driving wheel is supported against the spline housing 4, a first shearing pin hole 422 is arranged at one end of the spline housing 4, a second shearing pin hole corresponding to the first shearing pin hole 422 is arranged on a side wall of the driving wheel 2, and the spline housing 4 is fixed at one end, far away from the.

As shown in fig. 1, the inner walls of the driving wheel shaft 1 near the two ends are provided with first annular grooves, the number of the wear-resistant sleeves 6 is two, and the two wear-resistant sleeves 6 are respectively installed in the first annular grooves of the driving wheel shaft 1 near the ends.

As shown in fig. 1, an annular groove 45 is formed in one end, away from the boss 11 of the driving wheel shaft 1, of the spline housing 4, a baffle plate 5 is installed in the annular groove 45, one end of the installation portion is parallel to one end of the spline housing 4, and the baffle plate 5 is fixed on the driving wheel shaft 1 through bolts.

The specific implementation mode is as follows:

the driving wheel 2 is sleeved on an installation part of the driving wheel shaft 1, a rack is arranged at the end part, close to the driving wheel shaft 1, of the driving wheel shaft 1, a spline sleeve 4 is sleeved on the rack, the spline sleeve 4 is meshed with the rack, the spline sleeve 4 is fixed on the driving wheel 2, a baffle plate 5 is fixed on the driving wheel shaft 1, an annular groove 45 is formed in the spline sleeve 4, and the baffle plate 5 is installed in the annular groove 45;

the installation mode of the spline housing 4 is as follows: firstly, a lower sleeve body 41 is sleeved at a rack end of a driving wheel shaft 1, a slideway 411 is arranged on the lower sleeve body 41, a convex-shaped sliding block 424 is arranged on an upper sleeve body 42, the sliding block 424 is arranged in the slideway 411 and is pushed to one end, the installation of the upper sleeve body 42 and the lower sleeve body 41 is completed, next, the upper sleeve body 42 and the lower sleeve body 41 are fixed, firstly, bolts are installed through a second bolt hole 425 and a first bolt hole 412 in a bolt groove 421, two groups of bolt grooves 421 are symmetrically arranged on two sides of the upper sleeve body 42 close to the bottom, two bolt grooves 421 are arranged in each group, the upper sleeve body 42 and the lower sleeve body 41 are preliminarily fixed through bolts, secondly, a fixing sleeve 43 is sleeved on a spline sleeve 4 along a bolt hole 423, one end of the bolt hole 423 is positioned between the two bolt grooves 421, at the moment, the fixing sleeve 43 is sleeved between the two bolt grooves 421, the limiting block 431 slides to one end of the limiting groove 426 by rotating the fixing sleeve 43, the other end of the limiting block is communicated with the bolt hole 423, the fixing sleeve 43 is fixed on the outer wall of the spline sleeve 4 by inserting the bolt 44 into the bolt hole 423, and the second step of fixing is completed; the spline housing 4 is fixed on the driving wheel 2 by the shear pin 3, completing the installation of the driving wheel 2.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a protection coal-winning machine traction block walking incasement driving wheel structure which characterized in that: the wear-resistant gear comprises a driving wheel shaft (1), a driving wheel (2) arranged on the outer wall of the driving wheel shaft (1), a wear-resistant sleeve (6) arranged between the driving wheel shaft (1) and the driving wheel (2), and a spline sleeve (4) arranged at one end of the driving wheel shaft (1);

spline housing (4) include the lower part cover body (41), be connected into telescopic upper portion cover body (42), fix fixed cover (43) at spline housing (4) outer wall with the lower part cover body (41), the upper portion cover body (42), the lower part cover body (41) are the half cylinder type, the upper portion cover body (42) is installed on the lower part cover body (41), fixed cover (43) cup joint with the upper portion cover body (42) with the outer wall of the lower part cover body (41) on, it is fixed with the upper portion cover body (42) and the lower part cover body (41) through fixed cover (43).

2. The structure for protecting the driving wheel in the traveling box of the tractor block of the coal mining machine according to claim 1, characterized in that: be equipped with bolt hole (423), spacing groove (426) on the body (42) are overlapped to the lower part, the upper portion, bolt hole (423) communicate with each other with spacing groove (426), be equipped with on fixed cover (43) inner wall with spacing groove (426) corresponding stopper (431), fixed cover (43) cup joint on spline housing (4) section of thick bamboo outer wall, slider (424) get into spacing groove (426) through bolt hole (423), install bolt (44) in bolt hole (423), fix fixed cover (43) on the flower cover outer wall through bolt (44), it is fixed with the lower part cover body (41) to overlap the body (42) with the upper portion through stopper (431).

3. The structure for protecting the driving wheel in the traveling box of the tractor block of the coal mining machine according to claim 1, characterized in that: be equipped with slide (411) on the lower part cover body (41) top terminal surface, be equipped with on the upper portion cover body (42) bottom terminal surface with slide (411) corresponding slider (424), slider (424) cross-section is protruding type, slide (411) cross-section is corresponding with slider (424) cross-section, the lower part cover body (41) is connected with slide (411) through slider (424) with the upper portion cover body (42).

4. The structure for protecting the driving wheel in the traveling box of the tractor block of the coal mining machine as claimed in claim 3, wherein: the utility model discloses a bolt, including the spline cover, be equipped with on the lower part cover body (41) top terminal surface of spline cover (4) a plurality of first bolt holes (412), first bolt hole (412) are located slide (411) inboardly, be equipped with bolt groove (421) on the cover body (42) in upper portion, be equipped with in bolt groove (421) with first bolt hole (412) corresponding second bolt hole (425), the cover body (42) in upper portion passes through the bolt fastening on the cover body (41) in lower part.

5. The structure for protecting the driving wheel in the traveling box of the tractor block of the coal mining machine as claimed in claim 2, wherein: spacing groove (426) are located bolt hole (423) one end, bolt hole (423) one end communicates with each other with spacing groove (426) near tip department, be equipped with on fixed cover (43) inner wall with two stopper (431) that spacing groove (426) are corresponding, two stopper (431) get into spacing groove (426) through bolt hole (423), stopper (431) length is less than spacing groove (426) diameter, through rotatory fixed cover (43), makes stopper (431) get into spacing groove (426) of keeping away from bolt hole (423) one end, bolt (44) are installed in bolt hole (423) one end extend to spacing groove (426), laminate with stopper (431) lateral wall.

6. The structure for protecting the driving wheel in the traveling box of the tractor block of the coal mining machine according to claim 1, characterized in that: the utility model discloses a drive wheel, including drive wheel axle (1), drive wheel axle (2), drive wheel axle (1), mounting portion, spline housing (4), drive wheel axle (1) near tip department is equipped with boss (11) and installation department, the installation department is kept away from boss (11) near tip and is equipped with the rack, spline housing (2) and rack mesh, drive wheel (2) one end is pushed up on boss (11) of drive wheel axle (1), and the other end pushes up on spline housing (4), spline housing (4) one end is equipped with first shearing pinhole (422), be equipped with the second shearing pinhole corresponding with first shearing pinhole (422) on drive wheel (2) lateral wall, spline housing (4) are fixed the one end of keeping away from boss (11) in drive wheel (2) through shearing round pin (3).

7. The structure for protecting the driving wheel in the traveling box of the tractor block of the coal mining machine according to claim 1, characterized in that: the inner walls of the two adjacent ends of the driving wheel shaft (1) are provided with first annular grooves, the number of the wear-resistant sleeves (6) is two, and the two wear-resistant sleeves (6) are respectively arranged in the first annular grooves of the adjacent ends of the driving wheel shaft (1).

8. The structure for protecting the driving wheel in the traveling box of the tractor block of the coal mining machine as claimed in claim 6, wherein: the spline housing (4) is far away from one end of a boss (11) of the driving wheel shaft (1) and is provided with an annular groove (45), a baffle plate (5) is installed in the annular groove (45), one end of the installation part is parallel to one end of the spline housing (4), and the baffle plate (5) is fixed on the driving wheel shaft (1) through a bolt.