CN215944718U - Crawler belt walking mechanism - Google Patents

Abstract

The utility model provides a crawler belt walking mechanism, which comprises: a crawler belt; the crawler belt is sleeved on the peripheries of the driving wheel and the driven wheel, and an accommodating space is formed between the driving wheel and the driven wheel; the driving assembly is positioned in the accommodating space and is provided with an output end; the transmission assembly is positioned in the accommodating space and comprises a box body and a transmission structure, the transmission structure is hermetically arranged in the box body, and the output end of the driving assembly penetrates through the box body and is in driving connection with the transmission structure; the output shaft is rotatably arranged on the box body in a penetrating mode, the transmission structure is in driving connection with the output shaft, and the output shaft is in driving connection with the driving wheel. Through the technical scheme that this application provided, can solve among the prior art problem that transmission structure is fragile.

Description

Crawler belt walking mechanism

Technical Field

The utility model relates to the technical field of tracks, in particular to a track walking mechanism.

Background

Crawler track units are typically applied to vehicle bodies and generally include a crawler track, a driving wheel, a driven wheel, and a driving device. The driving device generally comprises a driving assembly and a transmission structure, and the driving assembly is in driving connection with the driving wheel through the transmission structure so as to drive the crawler to operate. And in the crawler travel mechanism, there is a space between the driving wheel and the driven wheel, and in order to reduce the space occupied by the driving device in the vehicle body, the driving device is generally disposed in the space. However, the arrangement makes the track running mechanism easily polluted by foreign matters or even damaged by foreign matters in the running process, so that the service life of the transmission structure is short.

SUMMERY OF THE UTILITY MODEL

The utility model provides a crawler traveling mechanism, which aims to solve the problem that a transmission structure in the prior art is easy to damage.

The utility model provides a crawler belt walking mechanism, which comprises: a crawler belt; the crawler belt is sleeved on the peripheries of the driving wheel and the driven wheel, and an accommodating space is formed between the driving wheel and the driven wheel; the driving assembly is positioned in the accommodating space and is provided with an output end; the transmission assembly is positioned in the accommodating space and comprises a box body and a transmission structure, the transmission structure is hermetically arranged in the box body, and the output end of the driving assembly penetrates through the box body and is in driving connection with the transmission structure; the output shaft is rotatably arranged on the box body in a penetrating mode, the transmission structure is in driving connection with the output shaft, and the output shaft is in driving connection with the driving wheel.

Further, be provided with first through-hole on the box, the output shaft wears to establish in first through-hole, and crawler travel mechanism still includes the sealing, and the sealing sets up between output shaft and box, and the sealing is used for sealing first through-hole.

Further, crawler travel mechanism still includes the bearing, and the bearing setting is in first through-hole, and is located the inboard of sealing, and the bearing has the inner circle and the outer lane of relative setting, and the inner circle cover is established in the periphery of output shaft and with output shaft fixed connection, outer lane and the pore wall fixed connection of first through-hole.

Further, be provided with the second through hole on the box, the output is worn to establish in the second through hole, and crawler travel mechanism still includes locking Assembly, and locking Assembly sets up between box and output, and locking Assembly includes: the locking ring is annularly arranged on the periphery of the output end and is positioned on the outer side of the box body, and the locking ring is used for plugging the second through hole; the locking piece penetrates through the locking ring and is detachably connected with the box body.

Furthermore, the transmission structure is a bevel gear set, the bevel gear set is respectively connected with the output end and the output shaft, and the driving assembly is in driving connection with the output shaft through the bevel gear set.

Furthermore, the bevel gear group comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is connected with the output end, and the second bevel gear is fixedly connected with the output shaft.

Further, crawler travel mechanism still includes two curb plates of relative setting, and the curb plate extends along the length direction of track, and two curb plates are located the both sides of track respectively, and the action wheel all rotationally sets up on the curb plate with following the driving wheel.

Further, crawler travel mechanism still includes roof and bottom plate, and roof and bottom plate interval set up in accommodation space, and the both sides of roof are connected with two curb plates respectively, and the both sides of bottom plate are connected with two curb plates respectively, and drive assembly is located between roof and the bottom plate.

Further, crawler belt running gear still includes the fixed plate, and the fixed plate is located the outside of track, and the tip of two curb plates is connected with the fixed plate respectively, and two curb plates all are located the homonymy of fixed plate.

Further, the driving assembly comprises a driving motor and a speed reducer, the driving motor is in driving connection with the speed reducer, and one end, far away from the driving motor, of the speed reducer is arranged in the box in a penetrating mode and is in driving connection with the transmission structure.

By applying the technical scheme of the utility model, the driving assembly drives the driving wheel to rotate through the transmission structure and the output shaft, and the crawler traveling mechanism starts to travel under the action of the driving wheel and the driven wheel. In this scheme, with the sealed setting of drive structure in the box, can avoid external foreign matter impurity to cause the pollution or damage to drive structure, guarantee drive structure's life to above-mentioned setting can promote drive structure's transmission stationarity, reduces holistic running noise.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 illustrates a partial schematic view of a track-type undercarriage provided in accordance with the present invention;

FIG. 2 is a schematic structural diagram of a box provided by the present invention;

FIG. 3 shows a cross-sectional view of a top view of the case provided by the present invention;

FIG. 4 shows a cross-sectional view of a front view of the case provided by the present invention;

FIG. 5 is a schematic structural view of a crawler track assembly provided by the present invention;

fig. 6 shows an exploded view of the engagement of the reducer and the locking ring provided by the present invention.

Wherein the figures include the following reference numerals:

10. a crawler belt;

21. a driving wheel; 22. a driven wheel;

30. a drive assembly; 31. a drive motor; 32. a speed reducer; 321. a housing; 322. a rotating shaft;

40. a box body; 401. a first through hole; 4011. a sealing part; 4012. a bearing; 402. a second through hole;

50. a transmission structure; 51. a first bevel gear; 52. a second bevel gear;

60. an output shaft;

70. a locking assembly; 71. locking a ring; 72. a locking member;

81. a side plate; 82. a top plate; 83. a base plate; 84. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, an embodiment of the present invention provides a crawler travel mechanism including a crawler belt 10, a driving wheel 21, a driven wheel 22, a driving assembly 30, a transmission assembly, and an output shaft 60. Wherein, the driving wheel 21 and the driven wheel 22 are arranged at intervals, the track 10 is sleeved on the periphery of the driving wheel 21 and the driven wheel 22, and an accommodating space is arranged between the driving wheel 21 and the driven wheel 22. The driving assembly 30 is located in the accommodating space, and the driving assembly 30 has an output end. The transmission assembly is located in the accommodating space and comprises a box body 40 and a transmission structure 50, the transmission structure 50 is hermetically arranged in the box body 40, and the output end of the driving assembly 30 penetrates through the box body 40 and is in driving connection with the transmission structure 50. The output shaft 60 is rotatably disposed through the case 40, the transmission structure 50 is drivingly connected to the output shaft 60, and the output shaft 60 is drivingly connected to the driving wheel 21. Specifically, the driving assembly 30 is drivingly connected to the driving wheel 21 through the transmission structure 50 and the output shaft 60, and the crawler 10 operates under the driving action of the driving wheel 21 and the driven wheel 22.

By applying the technical scheme of the utility model, the driving assembly 30 drives the driving wheel 21 to rotate through the transmission structure 50 and the output shaft 60, and the crawler travelling mechanism starts to travel under the action of the driving wheel 21 and the driven wheel 22. In this scheme, seal the setting with transmission structure 50 in box 40, can avoid external foreign matter impurity to cause the pollution or damage to transmission structure 50, guarantee transmission structure 50's life. The driving assembly 30 and the transmission structure 50 are arranged in the accommodating space, so that the space of the vehicle body is not occupied; and the arrangement can improve the transmission stability of the transmission structure 50 and reduce the overall operation noise.

Further, be provided with first through hole 401 on the box 40, output shaft 60 wears to establish in first through hole 401, and crawler travel mechanism still includes sealing 4011, and sealing 4011 sets up between output shaft 60 and box 40, and sealing 4011 can seal first through hole 401, avoids outside impurity to get into in the box 40 through first through hole 401. Moreover, in order to ensure the smooth operation of the transmission structure 50 and the service life of the transmission structure 50, it is usually necessary to apply a lubricant to the transmission structure 50. Sealing portion 4011's setting can avoid lubricating oil to spill over box 40, guarantees lubricating oil to the persistence of the 50 lubrication actions of transmission structure, and can avoid lubricating oil to spill over box 40 and pollute the phenomenon of box 40 outer wall, guarantees box 40's clean and tidy nature.

Further, crawler travel mechanism still includes bearing 4012, and bearing 4012 sets up in first through-hole 401, and is located sealing 4011's inboard, and bearing 4012 has the inner circle and the outer lane of relative setting, and the inner circle cover is established in the periphery of output shaft 60 and with output shaft 60 fixed connection, outer lane and the pore wall fixed connection of first through-hole 401. The arrangement of the bearing 4012 can ensure the smoothness of the rotation of the output shaft 60, and further ensure the stability of the rotation of the driving wheel 21. Specifically, first through hole 401 is the shoulder hole coaxial with output shaft 60, and first through hole 401 includes first hole and the second hole that communicates in order, and first hole is close to the middle part setting of output shaft 60, and the aperture in first hole is greater than the aperture in second hole. In this embodiment, the bearing 4012 is disposed in the first hole, the sealing portion 4011 is an annular structure, the sealing portion 4011 is disposed in the second hole and sleeved on the periphery of the output shaft 60, and an annular groove is formed in an end surface of the sealing portion 4011 close to the bearing 4012. Above-mentioned scheme compact structure, and can further guarantee sealing 4011 to the sealed effect of first wear to establish hole 401.

In this embodiment, the case 40 has four side walls connected in sequence, and the case 40 has a top wall and a bottom wall disposed oppositely, the top wall, the bottom wall, and the four side walls being connected to each other and forming the entire case 40. First wear hole 401 is provided with two, and two first wear holes 401 are seted up on two lateral walls of a set of relative setting, and one of them lateral wall that is provided with first wear hole 401 can dismantle with a set of lateral wall in addition and be connected, specifically, accessible mounting, joint structure or grafting structure etc. can dismantle the connection, as long as can realize dismantling can. Two ends of the output shaft 60 are located outside the box 40, two driving wheels 21 are provided, and the two driving wheels 21 are located outside the box 40 and are fixedly arranged at the ends of the output shaft 60. Above-mentioned setting can conveniently install transmission structure 50 to box 40 in to the convenience is maintained transmission structure 50.

As shown in fig. 2 and 4, the box body 40 is provided with a second through hole 402, the output end is arranged in the second through hole 402, the crawler travel mechanism further comprises a locking assembly 70, the locking assembly 70 is arranged between the box body 40 and the output end, the locking assembly 70 comprises a locking ring 71 and a locking member 72, the locking ring 71 is annularly arranged on the periphery of the output end, the locking ring 71 is located on the outer side of the box body 40, and the locking ring 71 is used for blocking the second through hole 402; the locking member 72 passes through the locking ring 71 and is detachably coupled to the case 40. In this embodiment, the locking member 72 is a locking bolt, and four locking members 72 are disposed at intervals along the outer circumference of the second through hole 402. Wherein a gasket may be further provided between the locking ring 71 and the case 40. With the above arrangement, the locking ring 71 blocks the second through hole 402, and the sealing effect of the box 40 on the transmission structure 50 can be further ensured.

Specifically, the transmission structure 50 is a bevel gear set, the bevel gear set is respectively connected with the output end and the output shaft 60, and the driving assembly 30 is in driving connection with the output shaft 60 through the bevel gear set. The bevel gear set may include a plurality of bevel gears engaged with each other, and the specific number of the bevel gears is not limited. The bevel gear set has good transmission stability, can ensure the stability of the rotation process of the output shaft 60, and has simple and compact structure and long service life. In this embodiment, the bevel gear set includes a first bevel gear 51 and a second bevel gear 52 engaged with each other, the first bevel gear 51 is connected to the output end, and the second bevel gear 52 is fixedly connected to the output shaft 60. Specifically, the output end of the driving assembly 30 faces the driving wheel 21, the box body 40 is located on one side of the output end of the driving assembly 30, the extending direction of the output end and the axial direction of the first bevel gear 51 are the same as the length direction of the crawler 10, and the output end is in driving connection with the first bevel gear 51; the output shaft 60 is located at one end of the first bevel gear 51 far away from the output end and is arranged perpendicular to the crawler 10, and the second bevel gear 52 is sleeved on the periphery of the output shaft 60 and is fixedly arranged on the output shaft 60. The arrangement makes the structure of the crawler travel mechanism more compact.

As shown in fig. 5, the crawler belt unit further includes two side plates 81 disposed opposite to each other, the side plates 81 extend along the length direction of the crawler belt 10, the two side plates 81 are respectively disposed at both sides of the crawler belt 10, and the driving wheel 21 and the driven wheel 22 are rotatably disposed on the side plates 81. One driven wheel 22 may be provided, and both ends of the driven wheel 22 are rotatably provided on the two side plates 81, respectively. In this embodiment, two driven wheels 22 are oppositely disposed, the two driven wheels 22 are disposed corresponding to the two side plates 81 one by one, and the two driven wheels 22 are respectively rotatably disposed on the two side plates 81. The arrangement of the two side plates 81 can shield the driving assembly 30, so that the driving assembly 30 is prevented from being polluted or damaged by foreign matters and impurities, and the service life of the driving assembly 30 can be ensured.

Further, the crawler belt walking mechanism further comprises a top plate 82 and a bottom plate 83, the top plate 82 and the bottom plate 83 are arranged in the accommodating space at intervals, two sides of the top plate 82 are respectively connected with the two side plates 81, two sides of the bottom plate 83 are respectively connected with the two side plates 81, and the driving assembly 30 is located between the top plate 82 and the bottom plate 83. Above-mentioned setting can enough guarantee to shelter from drive assembly 30, also can make drive assembly 30 and transmission structure 50 be located two different spaces respectively, reduces the operating temperature in each space, guarantees to drive assembly 30's radiating effect, extension drive assembly 30's life. Specifically, the one end of roof 82 can be dismantled with the roof of box 40 and be connected, and the one end of bottom plate 83 can be dismantled with the diapire of box 40 and be connected, and roof 82 and bottom plate 83 all can be dismantled with curb plate 81 and be connected, specifically, accessible mounting, joint structure or plug structure etc. can dismantle the connection as long as can realize dismantling can. The mounting mode can ensure the connection stability of the two side plates 81, the bottom plate 83 and the top plate 82, and can ensure the convenience of assembling and disassembling the crawler travelling mechanism.

The end of the side plate 81 may be located inside the crawler 10 or may be provided to protrude from the crawler 10. In this embodiment, the crawler belt unit further includes a fixing plate 84, the fixing plate 84 is located outside the crawler belt 10, the end portions of the two side plates 81 are respectively protruded from the crawler belt 10 and connected to the fixing plate 84, and the two side plates 81 are located on the same side of the fixing plate 84. Wherein, two fixing plates 84 may be provided, the two fixing plates 84 are respectively located at two ends of the crawler 10, and two ends of the side plate 81 are both protruded out of the crawler 10 and connected with the fixing plates 84. And, the fixing plate 84 may be configured such that one end is hinged to one of the side plates 81 and the other end is detachably coupled to the other side plate 81.

In this embodiment, the fixing plate 84 is provided with one, the end portions of the two side plates 81 close to the fixing plate 84 are all protruded out of the track 10, and the two side plates 81 are all detachably connected to the fixing plate 84, specifically, the connection can be detachable through a fixing member, a clamping structure or a plugging structure, as long as the detachable connection can be realized, in this embodiment, the two side plates 81 and the fixing plate 84 are all detachably connected through the fixing member.

As shown in fig. 1, the driving assembly 30 includes a driving motor 31 and a speed reducer 32, the driving motor 31 is in driving connection with the speed reducer 32, and one end of the speed reducer 32 far from the driving motor 31 is inserted into the box 40 and is in driving connection with the transmission structure 50. The driving motor 31 and the speed reducer 32 are distributed along the length direction of the crawler 10, and one end of the speed reducer 32 away from the driving motor 31 is an output end. As shown in fig. 4, the output end has a housing 321 and a rotating shaft 322, the rotating shaft 322 is disposed to protrude from the housing 321, the rotating shaft 322 is disposed through the second through hole 402 in the box 40 and is fixedly connected to the first bevel gear 51, and the locking ring 71 is disposed on the outer periphery of the housing 321 and is fixedly connected to the housing 321. The locking ring 71 may be integrally formed with the housing 321, or may be fixedly connected to the housing 321 by welding. Referring to fig. 6, in the present embodiment, the locking ring 71 is separated from the housing 321, the end of the housing 321 is a stepped structure, the stepped structure axially limits the locking ring 71, and the locking ring 71 is detachably connected to the housing 321 through a fixing member. One side of the locking ring 71, which is attached to the box body 40, is provided with an annular convex ring, and the annular convex ring is matched with the outline inside the box body 40 and penetrates through the box body 40. Above-mentioned setting can enough make in the axis of rotation 322 wears to establish box 40, also can guarantee the sealed effect of locking ring 71 to second through hole 402.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A crawler belt unit, comprising:

a crawler belt (10);

the crawler belt type crawler belt comprises a driving wheel (21) and a driven wheel (22), wherein the driving wheel (21) and the driven wheel (22) are arranged at intervals, a crawler belt (10) is sleeved on the peripheries of the driving wheel (21) and the driven wheel (22), and an accommodating space is formed between the driving wheel (21) and the driven wheel (22);

a drive assembly (30) located within the receiving space, the drive assembly (30) having an output end;

the transmission assembly is positioned in the accommodating space and comprises a box body (40) and a transmission structure (50), the transmission structure (50) is arranged in the box body (40) in a sealing mode, and the output end of the driving assembly (30) penetrates through the box body (40) and is in driving connection with the transmission structure (50);

the output shaft (60) is rotatably arranged on the box body (40) in a penetrating mode, the transmission structure (50) is in driving connection with the output shaft (60), and the output shaft (60) is in driving connection with the driving wheel (21).

2. The crawler travel mechanism according to claim 1, wherein a first through hole (401) is provided in the case (40), the output shaft (60) is inserted into the first through hole (401), the crawler travel mechanism further comprises a sealing portion (4011), the sealing portion (4011) is provided between the output shaft (60) and the case (40), and the sealing portion (4011) is configured to seal the first through hole (401).

3. The crawler belt walking mechanism according to claim 2, further comprising a bearing (4012), wherein the bearing (4012) is disposed in the first through hole (401) and located inside the sealing portion (4011), the bearing (4012) has an inner ring and an outer ring which are oppositely disposed, the inner ring is sleeved on the outer periphery of the output shaft (60) and is fixedly connected with the output shaft (60), and the outer ring is fixedly connected with the hole wall of the first through hole (401).

4. Crawler-track according to claim 1, characterized in that said box (40) is provided with a second through hole (402), said output end being provided through said second through hole (402), said crawler-track further comprising a locking assembly (70), said locking assembly (70) being provided between said box (40) and said output end, said locking assembly (70) comprising:

the locking ring (71) is annularly arranged on the periphery of the output end, the locking ring (71) is positioned on the outer side of the box body (40), and the locking ring (71) is used for plugging the second through hole (402);

a locking piece (72), wherein the locking piece (72) penetrates through the locking ring (71) and is detachably connected with the box body (40).

5. Crawler belt according to claim 1, characterized in that the transmission structure (50) is a set of bevel gears, which are connected with the output and the output shaft (60), respectively, the drive assembly (30) being in driving connection with the output shaft (60) via the set of bevel gears.

6. Crawler belt according to claim 5, characterized in that the bevel gear set comprises a first bevel gear (51) and a second bevel gear (52) meshing with each other, the first bevel gear (51) being connected with the output end and the second bevel gear (52) being fixedly connected with the output shaft (60).

7. The crawler belt unit according to claim 1, further comprising two side plates (81) disposed opposite to each other, wherein the side plates (81) extend along a length direction of the crawler belt (10), the two side plates (81) are respectively disposed on both sides of the crawler belt (10), and the driving wheel (21) and the driven wheel (22) are rotatably disposed on the side plates (81).

8. The crawler belt unit according to claim 7, further comprising a top plate (82) and a bottom plate (83), wherein the top plate (82) and the bottom plate (83) are spaced apart from each other in the accommodating space, both sides of the top plate (82) are connected to the two side plates (81), both sides of the bottom plate (83) are connected to the two side plates (81), and the driving assembly (30) is located between the top plate (82) and the bottom plate (83).

9. Crawler belt according to claim 7, further comprising a fixing plate (84), wherein the fixing plate (84) is located outside the crawler belt (10), ends of the two side plates (81) are connected to the fixing plate (84), respectively, and both side plates (81) are located on the same side of the fixing plate (84).

10. Crawler belt unit according to claim 1, wherein the drive assembly (30) comprises a drive motor (31) and a speed reducer (32), the drive motor (31) being drivingly connected to the speed reducer (32), an end of the speed reducer (32) remote from the drive motor (31) being inserted into the housing (40) and being drivingly connected to the transmission structure (50).

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