CN213117183U

CN213117183U - Transition flange for crawler traveling system and assembling structure thereof

Info

Publication number: CN213117183U
Application number: CN202020904212.3U
Authority: CN
Inventors: 林春明; 史延平; 戴煜
Original assignee: Jiaxing Taite Rubber Co ltd
Current assignee: Jiamusi Jiti Agricultural Machinery Manufacturing Co.,Ltd.
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-05-04
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a flange for crawler travel system and assembly structure thereof, include: the first flange plate is annular and is provided with a first central shaft; the outer diameter of the second flange plate is smaller than the inner diameter of the first flange plate; the connecting plates are arranged between the first flange plate and the second flange plate and extend along the first central shaft, and the connecting plates are arranged at intervals along the circumferential direction; through holes penetrating in the radial direction are formed among the connecting plates. The outer diameter of the second flange plate is smaller than the inner diameter of the first flange plate, so that when the first flange plate is connected with the driving connecting disc, a large enough operating space can be provided for the pneumatic wrench, and the first flange plate and the driving connecting disc can be quickly installed in place; the gap formed between the connecting plates is convenient to observe along the radial direction when the second flange plate and the driven connecting plate are installed. The whole part of the second flange plate is just the residual material of the first flange plate when the inner hole is cut off, so that the material can be saved, and the cost can be reduced.

Description

Transition flange for crawler traveling system and assembling structure thereof

Technical Field

The utility model relates to a transition flange for crawler travel system to and contain this transition flange's assembly structure.

Background

The transition flange is used for connecting a key part of a vehicle output shaft and a driven shaft of the crawler traveling chassis and is used for ensuring that the output shaft and the driven shaft of the crawler traveling chassis have the same operation rotating speed. At present, the structure of the transition flange is as shown in fig. 1, and includes a first flange 10 which is annular, a second flange 20 which is annular, and a side wall 30 between the first flange 10 and the second flange 20, the side wall 30 is disposed along the circumference, and a plurality of connecting plates 40 are disposed on the side wall. The first flange plate 10 and the second flange plate 20 have the same outer diameter, and a guide ring 201 is arranged on the outer surface of the second flange plate 20. The first flange plate 10 is used for being connected with a connecting plate through bolts, and the second flange plate 20 is connected with a driven connecting plate of the crawler belt walking chassis through bolts. Because the first ring flange 10 with the external diameter of second ring flange 20 is the same, make first ring flange 10 with during bolted connection for the connection pad, operating space is narrow and small, can't use the air wrench of big moment, can only pass through manual tightening. However, manual installation cannot guarantee the magnitude of the torque, resulting in looseness. Secondly, the side wall 30 totally encloses the area between the first flange plate 10 and the second flange plate 20 along the circumferential direction, so that the installation situation cannot be observed in the radial direction, and further, whether the transition flange is aligned with the hole site of the crawler belt walking chassis cannot be judged, and the judgment of the blind operation can only be realized by the feeling of an operator. In addition, the length of the guide ring 201 on the second flange plate 20 along the axial direction can only be set very short due to the assembly relationship, so that the guide function cannot be achieved, the positioning difficulty of the second flange plate 20 and the driven connecting disc is increased, and the installation is very difficult. Finally, since the first flange plate 10 and the second flange plate 20 are made of two raw plate materials, the overall structure is heavy in weight, and materials are wasted, so that the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides a transition flange for crawler traveling system can solve above-mentioned technical problem. This transition flange includes:

the first flange plate is annular and is provided with a first central shaft;

the second flange plate is annular and is coaxial with the first flange plate; the connecting plates are arranged between the first flange plate and the second flange plate and extend along a first central shaft, and the connecting plates are arranged at intervals along the circumferential direction;

through holes penetrating in the radial direction are formed among the connecting plates.

Further, the outer diameter of the second flange plate is smaller than that of the first flange plate.

Further, the outer diameter of the second flange plate is smaller than or equal to the inner diameter of the first flange plate.

Further, the outer diameter of the second flange plate is smaller than the inner diameter of the first flange plate by 1-3 cm.

Further, the second flange plate is provided with an inner hole extending along the axial direction, and the side wall of the inner hole can be abutted against the outer wall of the protruding portion of the driven connecting disc.

Further, a nut is arranged on the surface, facing the first flange, of the second flange, and a nut hole is formed in the second flange corresponding to the nut.

Further, one end of the nut is provided with a step portion, the step portion comprises a side wall and a bottom wall, the side wall extends into the nut hole and is abutted to the inner wall of the nut hole, and the bottom wall is abutted to the end face of the nut hole.

Furthermore, the connecting plate is evenly arranged at intervals, the first flange plate, the second flange plate and the connecting plate are integrally welded and formed, and the connecting plate is provided with reinforcing ribs perpendicular to the connecting plate along the axis direction.

Further, the utility model discloses still include an assembly structure, include transition flange as above, crawler travel chassis and connection pad, crawler travel chassis includes driven shaft and driven connection pad, the surface of driven connection pad is provided with bellying and a plurality of mounting hole, the bellying is followed the axial direction of driven connection pad and is deviated from the driven shaft and extend and form, the bellying stretches into in the hole of second ring flange, the mounting hole sets up in the surface that the driven connection pad faced the second ring flange, the mounting hole with the nut hole one-to-one, driven connection pad and second ring flange pass through bolt fixed connection, the bolt passes the mounting hole in proper order, nut hole and nut;

the surface of the first flange plate is provided with a plurality of flange holes, the connecting plate is provided with connecting holes in one-to-one correspondence to the flange holes, and the flange holes are connected with the connecting holes through bolts so as to connect the connecting plate with the first flange plate.

Further, a driving disc is arranged between the second flange plate and the driven connecting disc, and the driving disc is fixedly connected with the driven connecting disc through bolts.

The utility model has the advantages as follows:

1. the outer diameter of the second flange plate is smaller than that of the first flange plate, so that when the first flange plate is connected with the driving connecting disc, a large enough operation space can be provided for a pneumatic wrench, and the first flange plate and the driving connecting disc can be fastened in place;

2. the gap between the connecting plates is convenient for observing along the radial direction when the driven connecting disc is installed and connected with the transition flange, and the nut hole of the second flange plate is aligned with the nut installing hole of the driven connecting disc;

3. the second flange plate is formed by processing the cut part of the first flange plate, so that the overall structure is lighter in weight, materials are greatly saved, and the manufacturing cost is reduced;

4. the bulge arranged on the driven connecting disc can play a role in guiding, so that the second flange plate is positioned fast with the driven connecting disc and is not easy to slip.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the prior art of the present invention;

fig. 2 is a schematic view of a transition flange in an embodiment of the present invention;

fig. 3 is an exploded view of an assembly structure in an embodiment of the present invention;

fig. 4 is a sectional view of an assembly structure in an embodiment of the present invention;

fig. 5 is a partially enlarged view of fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, 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.

To achieve the above object, the present invention provides a transition flange 100 for a crawler chassis, as shown in fig. 2, comprising:

a first flange 11 in an annular shape, the first flange 11 having a first central axis;

the second flange 21 is annular, and the outer diameter of the second flange 21 is smaller than that of the first flange 11;

a plurality of connecting plates 31 extending along a first central axis and arranged between the first flange plate 11 and the second flange plate 21, wherein the plurality of connecting plates 31 are arranged at intervals along the circumferential direction;

a plurality of the connection plates 31 have through holes 311 formed therethrough in the radial direction.

In the present embodiment, the first flange 11 and the second flange 21 have different outer diameters, and the outer diameter of the second flange 21 is smaller than the outer diameter of the first flange 11. Therefore, when the first flange plate 11 is connected with the driving connecting disc, a large enough operation space can be provided for the pneumatic wrench, so that the first flange plate 11 and the driving connecting disc can be fastened in place, and the technical problem that in the prior art, the pneumatic wrench does not have enough space operation due to the fact that the outer diameters of the first flange plate 11 and the second flange plate 21 are the same, and manual fastening is not in place is solved.

In addition, a through hole 311 is formed between two adjacent connection plates 31, so that a region connecting the first flange 11 and the second flange 21 is partially spaced, and is convenient to view in the radial direction when the transition flange 100 is installed. The technical problem of in the prior art, because first ring flange 10 with second ring flange 20 is connected through the lateral wall 30 along the circumference setting, lateral wall 30 is the cylinder and is totally closed along the circumference first ring flange 10 with the region between the second ring flange 20 for can't observe along radial direction the installation condition of transition flange leads to the unable observation judgement of installation whether the mounted position of transition flange is accurate is solved.

The first flange 11 includes a central hole 111 extending in the axial direction, and the second flange 21 has an outer diameter smaller than or equal to the inner diameter of the first flange 11. In a preferred embodiment of the present invention, the outer diameter of the second flange 21 is 1 to 3cm smaller than the inner diameter of the first flange 11. The second flange 21 is formed by processing the cut part of the first flange 11. That is, the material of the first flange 11 after forming the central hole 111 is directly used to form the second flange 21, so that only one plate is needed to manufacture the transition flange 100. Meanwhile, compared with the transition flange 100 in the prior art, the transition flange 100 in the embodiment has much reduced weight of the whole structure, so that the material can be greatly saved, and the manufacturing cost is reduced.

The second flange 21 has an inner hole 211 extending in the axial direction, and a side wall of the inner hole 211 can abut against an outer wall of the boss 511 of the driven land 51.

The surface of the second flange 21 facing the first flange 11 is provided with a nut 40, and the second flange 21 is provided with a nut hole corresponding to the nut 40.

As shown in fig. 5, the stepped portion 41 includes a side wall 411 and a bottom wall 412, the side wall 411 extends into the nut hole and abuts against an inner wall of the nut hole, and the bottom wall 412 abuts against an end surface of the nut hole. The side wall 411 is embedded into the nut hole, so that the strength of the second flange 21 and the driven connecting disc 51 which are welded later can be ensured, and the risk of falling off of the nut 40 is greatly reduced.

The connecting plates 31 are arranged at even intervals, and the first flange plate 11, the second flange plate 21 and the connecting plates 31 are integrally welded. Preferably, the connecting plate 31 is further provided with a rib 312 perpendicular thereto along the axial direction, and the rib 312 can enhance the strength of the transition flange 100.

The utility model discloses still include an assembly structure, as shown in fig. 3 and 4, include transition flange 100 as above, crawler-belt walking chassis and connection pad.

Crawler-belt walking chassis includes driven shaft 50 and driven connection pad 51, driven connection pad 51's surface is provided with bellying 511 and a plurality of mounting hole 512, bellying 511 follows driven connection pad 51's axial direction deviates from driven shaft 50 extends and forms, bellying 511's external diameter slightly is less than the internal diameter of second ring flange 21. The protruding portion 511 extends into the second flange 21, and the side wall of the inner hole 211 can abut against the outer wall of the protruding portion 511 of the driven connecting disc 51.

In the present embodiment, a "guide ring" is provided on the driven land 51, and the length of the boss 511 in the axial direction is greater than that of the "guide ring" in the related art, thereby avoiding a problem that the "guide ring" is not long enough to guide due to restrictions on the assembly relationship. The protruding portion 511 provided on the driven connecting disc 51 can better play a role in guiding, can quickly position the driven connecting disc 51 and the transition flange 100, and is not easy to slip off.

The mounting holes 512 are formed in the surface of the driven connecting disc 51 facing the second flange 21, the mounting holes 512 correspond to the nut holes one by one, and the driven connecting disc 51 is fixedly connected with the second flange 21 through bolts 70. After the driven connecting disc 51 is guided and inserted into the inner hole 211 of the second flange 21 through the protruding portion 511, the bolt 70 passes through the mounting hole 512, the nut hole, and the nut 40 in sequence to fixedly connect the driven connecting disc 51 and the second flange 21.

Because the through holes 311 penetrating along the radial direction are formed between the connecting plates 31, it can be observed along the radial direction whether the protruding portions 511 are inserted into the inner holes 211 of the second flange plate 21, and whether the mounting holes 512 are aligned with the nut holes and the nuts, so that it is more convenient and faster to judge whether the positioning is accurate, the time for mounting and connecting is reduced, and the working efficiency is improved.

The surface of the first flange plate 11 is provided with a plurality of flange holes 112, the active connecting plate is provided with connecting holes corresponding to the flange holes 112 one by one, and bolts sequentially penetrate through the flange holes 112 and the connecting holes so as to be fixedly connected with the first flange plate 11 and the active connecting plate. Since the second flange 21 has a smaller outer diameter than the first flange 11, an operating space is provided for a pneumatic wrench to install and fasten the first flange 11 in place.

Preferably, a driving disk 60 is further disposed between the second flange 21 and the driven connecting disk 51, and the driving disk 60 and the driven connecting disk 51 are fixedly connected through bolts.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A transition flange for a crawler track system, comprising:

the first flange plate is annular and is provided with a first central shaft;

the second flange plate is annular and is coaxial with the first flange plate;

the connecting plates are arranged between the first flange plate and the second flange plate and extend along a first central shaft, and the connecting plates are arranged at intervals along the circumferential direction;

through holes penetrating in the radial direction are formed among the connecting plates, so that a gap is formed in the area part connecting the first flange plate and the second flange plate.

2. The transition flange for a crawler travel system of claim 1, wherein the second flange has an outer diameter smaller than an outer diameter of the first flange.

3. The transition flange for a crawler belt system according to claim 2, wherein an outer diameter of the second flange is smaller than or equal to an inner diameter of the first flange.

4. The transition flange for a crawler belt walking system according to claim 3, wherein the outer diameter of the second flange plate is 1-3 cm smaller than the inner diameter of the first flange plate.

5. The transition flange for a crawler belt according to claim 4, wherein the second flange plate has an inner hole extending in the axial direction, and a side wall of the inner hole is capable of abutting against an outer wall of the boss portion of the driven connection plate.

6. The transition flange for a crawler belt according to claim 5, wherein a surface of the second flange plate facing the first flange plate is provided with a nut, and the second flange plate is provided with a nut hole at a position corresponding to the nut.

7. The transition flange for a crawler travel system of claim 6, wherein one end of the nut is provided with a step, the step comprising a side wall and a bottom wall, the side wall extending into the nut bore and abutting an inner wall of the nut bore, the bottom wall abutting an end face of the nut bore.

8. The transition flange for a crawler belt walking system according to claim 7, wherein the connecting plates are uniformly spaced, the first flange, the second flange and the connecting plates are integrally welded, and the connecting plates are provided with reinforcing ribs perpendicular thereto in the axial direction.

9. An assembly structure, comprising the transition flange for the crawler traveling system according to any one of claims 1 to 8, a crawler traveling chassis and a connecting plate, wherein the crawler traveling chassis comprises a driven shaft and a driven connecting plate, a boss and a plurality of mounting holes are formed in the surface of the driven connecting plate, the boss extends along the axial direction of the driven connecting plate and away from the driven shaft, the boss extends into an inner hole of the second flange, the mounting holes are formed in the surface of the driven connecting plate facing the second flange, and the driven connecting plate passes through the mounting holes through bolts to be fixedly connected with the second flange;

10. The fitting structure according to claim 9, wherein a driving plate is further disposed between the second flange plate and the driven connecting plate, and the driving plate is fixedly connected with the driven connecting plate through bolts.