Protective device for crawler device, crawler device, and working machine

Abstract

The utility model belongs to the technical field of track devices, and particularly discloses a protective device for a track device, the track device and an operation machine.The protective device for the track device comprises a protective seat, the protective seat comprises a protective mounting frame and a protective action plate, and the protective mounting frame comprises a connecting plate and a bearing plate; the connecting plate is used for being detachably spliced and connected with the end, facing the driving wheel, of a crawler frame of the crawler device, and the bearing plate is arranged on the side, away from the crawler frame, of the connecting plate. The protection plate is arranged at the lower end of the bearing plate and spaced from the track shoe located on the lower side of the track device, the protection plate is used for limiting the protruding height of the track shoe protruding between a thrust wheel and a driving wheel of the track device, the protruding height of the track shoe is small, and the track shoe can recover to the horizontal state after passing through an obstacle. And collision between the track shoe and the thrust wheel is avoided, so that the effect of protecting the thrust wheel is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tracked device technical field, concretely relates to a kind of protective device for tracked device, tracked device and working machine. BACKGROUND

[0002] The excavator in working machine is composed of working device, upper car platform, tracked frame and travelling device, wherein travelling device main part is composed of guide wheel, supporting wheel, chain wheel, driving wheel and track, and during working, whole vehicle power is transmitted by driving wheel and track, so that the travelling of whole machine is realized. Since the working environment of excavator is relatively bad, excavator is prone to encounter obstacles during travelling, for example, stone, when track is rolled to obstacle, since it can cause track plate to bulge upward, especially at the position between driving wheel and supporting wheel closest to it, the distance between the two is larger, the degree of track plate bulging upward is also larger, even the problem of track plate colliding with supporting wheel occurs, causing damage and oil leakage of supporting wheel and unable to use. SUMMARY

[0003] In view of the above defects or deficiencies, the utility model provides a kind of protective device for tracked device, tracked device and working machine, to solve the technical problem that track plate bulges upward and is prone to collide with supporting wheel.

[0004] To achieve the above object, the utility model provides a kind of protective device for tracked device in the first aspect, wherein the protective device for tracked device includes protective seat, protective seat includes protective mounting frame and protective action plate, protective mounting frame includes connecting plate and supporting plate, connecting plate is used to be detachably spliced with the end of the track frame of tracked device towards driving wheel, and supporting plate is arranged on the side of connecting plate away from track frame;Protective action plate is arranged at the lower end of supporting plate and is spaced apart from the track plate on the lower side of tracked device, and protective action plate is used to limit the bulging height of the track plate between supporting wheel and driving wheel of tracked device.

[0005] In the embodiment of the utility model, the protective action plate includes base plate body and boss part, the base plate body is arranged at the lower end of the supporting plate, and the lower end of the base plate body protrudes downward to form the boss part, so that the lower end of the boss part becomes the lowest position of the protective seat, and the boss part is located between the supporting wheel and the driving wheel.

[0006] In the embodiment of the utility model, the boss part is formed with a circular arc chamfer surface on the side away from the supporting wheel, and the circular arc chamfer surface is arranged in a concave circular arc chamfer.

[0007] In the embodiment of the utility model, the one end of the base plate body away from the supporting wheel is formed with a spade-shaped part, the upper end surface of the spade-shaped part is provided as a cleaning inclined surface or a cleaning arc surface, the cleaning inclined surface is arranged downwardly inclined in the direction from the supporting wheel to the driving wheel, and the cleaning arc surface is arranged curved to the side away from the driving wheel in the direction from the supporting wheel to the driving wheel.

[0008] In the embodiment of the utility model, the lower end surface of the spade-shaped part comprises a bottom plate extension surface and a bottom plate front end surface arranged in sequence, the bottom plate extension surface is arranged downwardly inclined in the direction from the supporting wheel to the driving wheel, and the bottom plate front end surface is arranged horizontally in the direction from the supporting wheel to the driving wheel.

[0009] In the embodiment of the utility model, the spade-shaped part is located above the meshing area of the driving wheel and the lower side track shoe.

[0010] In the embodiment of the utility model, the protection effect plate is horizontally extended from the supporting plate at both ends arranged in the width direction of the track device.

[0011] In the embodiment of the utility model, the supporting plate is formed with a avoiding arc surface on the side towards the driving wheel, and the avoiding arc surface is curvedly extended to the side away from the driving wheel in the direction from bottom to top.

[0012] In the embodiment of the utility model, the supporting plate is provided with a hoisting hole horizontally penetrating.

[0013] In the embodiment of the utility model, the connecting plate is horizontally extended from the supporting plate at both ends arranged in the width direction of the track device, and both ends of the connecting plate are provided with connecting holes for detachably and integrally connecting with the track frame.

[0014] In order to achieve the above-mentioned target, the utility model provides a track device in the second aspect, wherein the track device comprises the above-mentioned track device protection device.

[0015] In order to achieve the above-mentioned target, the utility model provides a working machine in the third aspect, wherein the working machine comprises the above-mentioned track device.

[0016] Through the above technical scheme, the track device protection device provided by the embodiment of the utility model has the following beneficial effects:

[0017] When the track device uses the protection device, the track device can be effectively protected by arranging the protection seat on the track frame. The protection seat comprises a protection mounting frame and a protection effect plate. The connecting plate of the protection mounting frame is detachably connected with one end of the track frame facing the driving wheel. The supporting plate is arranged on the side of the connecting plate away from the track frame. The protection effect plate is arranged at the lower end of the supporting plate and is arranged in a spaced manner with the track plate on the lower side of the track device. When the track device passes through the obstacle and the track plate between the supporting wheel and the driving wheel is raised upward, the protection effect plate can limit the raising height of the track plate. The raising height of the track plate is small, and the track plate can recover to the horizontal state after passing through the obstacle, avoiding the collision between the track plate and the supporting wheel, so as to achieve the effect of protecting the supporting wheel.

[0018] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the following detailed description to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0020] Figure 1 is a structural schematic view of the track device according to an embodiment of the present application;

[0021] Figure 2 is a structural schematic view of the protection device for the track device according to an embodiment of the present application;

[0022] Figure 3 is another structural schematic view of the protection device for the track device according to an embodiment of the present application.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] 1 protection seat 11 protection mounting frame

[0025] 111 connecting plate 112 supporting plate

[0026] 113 connecting hole 114 lifting hole

[0027] 115 avoidance arc surface 12 protection effect plate

[0028] 121 base plate body 122 boss portion

[0029] 123 circular arc chamfer surface 124 shovel-shaped portion

[0030] 125 cleaning arc surface 126 bottom plate extension surface

[0031] 127 bottom plate front end surface 2 fastener

[0032] 3 track frame 4 track

[0033] 5 carrier wheel 6 drive wheel DETAILED DESCRIPTION

[0034] The specific embodiments of the utility model are described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0035] The track device protection device, track device and working machine of the utility model are described below with reference to the drawings.

[0036] As shown in Figure 1 and Figure 2 The utility model provides a kind of track device protection device, wherein, track device protection device includes:

[0037] Protective mounting frame 11, including connecting plate 111 and support plate 112, connecting plate 111 is used to be detachably spliced with the end of track frame 3 of track device towards drive wheel 6 is connected, support plate 112 is located at the side of connecting plate 111 away from track frame 3;

[0038] Protective action plate 12 is located at the lower end of support plate 112 and is spaced apart from the track plate on the lower side of track device, and the protective action plate 12 is used to limit the track plate between the carrier wheel 5 and the drive wheel 6 of track device.

[0039] Track device is composed of track 4, carrier wheel 5, drive wheel 6 and track frame 3 structure, by setting protective seat 1 on track frame 3, carrier wheel 5 can be effectively protected. Protective seat 1 includes protective mounting frame 11 and protective action plate 12, the connecting plate 111 of protective mounting frame 11 is detachably spliced with the end of track frame 3 towards drive wheel 6 is connected, support plate 112 is located at the side of connecting plate 111 away from track frame 3, protective action plate 12 is located at the lower end of support plate 112 and is spaced apart from the track plate on the lower side of track device, when track device passes through obstacle and makes the track plate between carrier wheel 5 and drive wheel 6 upward, protective action plate 12 can limit the track plate height, the track plate height is small, after passing through obstacle, track plate can restore to horizontal state, avoid the impact of track plate and carrier wheel 5, in this way, protective seat 1 successfully plays the role of protecting carrier wheel 5, prolongs the service life of track device, and ensures the safety of equipment operation.

[0040] Preferably, protective seat 1 is an integral casting structure, and the overall structural strength is greater, and the service life is longer. Of course, protective seat 1 can also be set as a welded part or a forged part.

[0041] As Figure 2 shown in the embodiment of the utility model, the protection function board 12 includes the base plate body 121 and the boss part 122, the base plate body 121 is arranged at the lower end of the support plate 112, and the lower end of the base plate body 121 is protruded downward to form the boss part 122, so that the lower end of the boss part 122 becomes the lowest position of the protection seat 1, and the boss part 122 is located between the carrier wheel 5 and the driving wheel 6. Then by setting the boss part 122, the bulging height of the track shoe can be limited at the position close to the carrier wheel 5, compared with the scheme that the lower end face of the base plate body 121 is set as a plane, the setting of the boss part 122 can not only satisfy the protection of the carrier wheel 5, but also reduce the weight of the protection seat 1.

[0042] Specifically, referring to Figure 1 and Figure 2 , the boss part 122 is located at the side of the base plate body 121 closest to the carrier wheel 5. It should be noted that the driving wheel 6 of the track device generally has the functions of forward rotation and reverse rotation, referring to Figure 1 , the counterclockwise rotation of the driving wheel 6 is forward rotation, when the driving wheel 6 rotates forward, the track shoe moves from the carrier wheel 5 to the driving wheel 6, and even if the track shoe bulges between the carrier wheel 5 and the driving wheel 6, the carrier wheel 5 will not be damaged; the clockwise rotation of the driving wheel 6 is reverse rotation, when the driving wheel 6 rotates reversely, the track shoe moves from the driving wheel 6 to the carrier wheel 5, if the impact on the track 4 is relatively severe, the bulging height of the track shoe is relatively high, the track shoe first contacts the lower end face of the base plate body 121, and as the track shoe continues to move towards the carrier wheel 5, the track shoe is further depressed at the boss part 122, the boss part 122 is located at the side of the base plate body 121 closest to the carrier wheel 5, the gap between the boss part 122 and the carrier wheel 5 is small, which can avoid the secondary bulging of the track shoe, and further more effectively protect the carrier wheel 5.

[0043] As Figure 3 shown in the embodiment of the utility model, the boss part 122 is formed with a circular arc chamfer surface 123 on the side away from the carrier wheel 5, and the circular arc chamfer surface 123 is arranged in a concave circular arc chamfer. As described above, the bulging height of the track shoe is relatively high, the track shoe first contacts the lower end face of the base plate body 121, and as the track shoe continues to move towards the carrier wheel 5, the track shoe is further depressed at the boss part 122, then by setting the circular arc chamfer surface 123, the bulging track shoe can be gradually depressed, the impact between the track shoe and the boss part 122 can be reduced, and the wear of the two can be reduced. In addition, the setting of the circular arc chamfer surface 123 can also avoid stress concentration.

[0044] As Figure 2 and Figure 3As shown in this embodiment of the present invention, a shovel-shaped portion 124 is formed at one end of the substrate 121 away from the support roller 5. The upper surface of the shovel-shaped portion 124 is provided as a cleaning slope or a cleaning arc surface 125. The cleaning slope is inclined downward in the direction from the support roller 5 toward the drive wheel 6, and the cleaning arc surface 125 is bent toward the side away from the drive wheel 6 in the direction from the support roller 5 toward the drive wheel 6. During the rotation of the drive wheel 6, the shovel-shaped part 124 can clean the mud, stones and other debris attached to the circumference of the drive wheel 6. The cleaning slope or the cleaning arc surface 125 allows the debris to slide off in time under the action of gravity, preventing it from accumulating on the protective seat 1. The shovel-shaped part 124 keeps the drive wheel 6 in a relatively clean state during operation, effectively preventing large mud and gravel from accumulating around the drive wheel 6 and getting stuck in the meshing gap between the drive wheel 6 and the track 4. This reduces the wear of gravel and mud on the meshing surface of the drive wheel 6, and prevents the track 4 from being excessively squeezed and breaking due to the accumulation of debris in the meshing gap between the drive wheel 6 and the track 4, as well as the skipping of the drive wheel 6 teeth. This greatly improves the working environment of the track 4 and the drive wheel 6. Therefore, after this track device protective device is applied to the track device of the working machinery, it can effectively improve the reliability and service life of the entire working machinery.

[0045] Preferably, the upper end face of the shovel-shaped portion 124 is a cleaned arc surface 125, so as to bring the entire shovel-shaped portion 124 close to the drive component (e.g., a hydraulic motor) of the column structure on the drive wheel 6.

[0046] Specifically, the transition between the substrate 121 and the upper end face of the shovel-shaped portion 124 is provided with a rounded corner, and the arc surface formed by the rounded corner protrudes upward.

[0047] like Figure 3 As shown in this embodiment of the invention, the lower end face of the shovel-shaped portion 124 includes a bottom plate extension surface 126 and a bottom plate front end surface 127 arranged sequentially. The bottom plate extension surface 126 is inclined downward in the direction from the support wheel 5 toward the drive wheel 6, and the bottom plate front end surface 127 is horizontal in the direction from the support wheel 5 toward the drive wheel 6. By providing the bottom plate extension surface 126, the overall weight of the protective base 1 can be reduced while still meeting the functional requirements of the shovel-shaped portion 124. See [reference needed]. Figure 2 A recess is formed between the boss portion 122 and the shovel-shaped portion 124 to reduce weight, while the front end face 127 of the base plate extends horizontally and forms a tip at the end of the shovel-shaped portion 124 in conjunction with the cleaning slope or cleaning arc surface 125 to facilitate the removal of soil and other crops from the drive wheel 6.

[0048] like Figure 1As shown in the utility model embodiment, the shovel-shaped part 124 is located above the meshing area of the driving wheel 6 and the lower track shoe. When the driving wheel 6 reverses to drive the track shoe to move below the shovel-shaped part 124, the track shoe and the driving wheel 6 are in the meshing state, the track shoe will not be raised, and the impact between the track shoe and the shovel-shaped part 124 can be avoided, the deformation of the shovel-shaped part 124 is prevented, and thus the cleaning effect of the shovel-shaped part 124 on the dirt attached to the driving wheel 6 is ensured.

[0049] As Figure 2 shown in the utility model embodiment, the protection effect plate 12 is horizontally extended from the supporting plate 112 at both ends arranged along the width direction of the track device. Then the protection effect plate 12 is formed with a larger limiting surface, thereby increasing the contact area of the protection effect plate 12 and the track shoe, avoiding excessive local pressure when the track shoe contacts the protection effect plate 12, and preventing the track shoe from being damaged.

[0050] As Figure 3 shown in the utility model embodiment, the side of the supporting plate 112 facing the driving wheel 6 is formed with an avoiding arc surface 115, and the avoiding arc surface 115 extends in a direction from bottom to top and curves away from the side of the driving wheel 6. Then by arranging the avoiding arc surface 115, the supporting plate 112 can be arranged closer to the driving component on the driving wheel 6, thereby increasing the contact surface of the supporting plate 112 and the base plate body 121 and improving the overall structural strength of the protection seat.

[0051] Specifically, the transition of the supporting plate 112 and the base plate body 121 is arranged with a rounded corner to avoid stress concentration. Further, a reinforcing rib or the like structure can be arranged between the base plate body 121 and the connecting plate 111 to further improve the overall structural strength of the protection seat.

[0052] As Figure 2 shown in the utility model embodiment, the supporting plate 112 is provided with a hoisting hole 114 extending transversely, and the protection seat 1 can be hoisted to the mounting position of the track frame 3 by a hoisting device during the installation process, thereby facilitating the installation.

[0053] As Figure 2 shown in the utility model embodiment, the connecting plate 111 is horizontally extended from the supporting plate 112 at both ends arranged along the width direction of the track device, and both ends of the connecting plate 111 are provided with connecting holes 113 for detachable splicing connection with the track frame 3, and the connecting holes 113 are used for the fastener 2 to realize the detachable connection with the track frame 3. Then the connecting plate 111 and the track frame 3 have a larger contact area, and the stability of the installation of the protection seat 1 on the track frame 3 can be improved.

[0054] As Figure 1As shown, in order to achieve the above object, the utility model provides a second aspect of a track device, wherein the track device comprises the above protective device for track device. Because the track device adopts all the technical schemes of the above embodiment, at least has the above beneficial effect, here no longer carry on the elaboration.

[0055] In order to achieve the above object, the utility model provides a third aspect of a working machine, wherein the working machine comprises the above track device, and its beneficial effect is as follows:

[0056] The utility model discloses a protective seat 1 is increased, when the working machine is reversed and walks and meets the violent impact of larger stone block, protective seat 1 can limit the fluctuation height of track 4 in vertical direction, indirectly protects the impact of track 4 to support wheel 5 and is prevented;

[0057] The utility model discloses a protective seat 1 is increased, and the soil of drive wheel 6 and drive motor circumference is convenient for dispersing, avoids the gravel and soil into drive wheel 6 and is engaged with surface, and the excessive wear of its engagement surface causes the fracture failure of track 4;

[0058] The utility model discloses a protective seat 1 is increased, and the larger stone block can be prevented and is engaged with between drive wheel 6 and the nearest support wheel 5, causes the damage of related parts and walking difficulty.

[0059] In the description of the utility model, it is understood that the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, for example two, three, etc., unless otherwise specifically limited.

[0060] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrated;It can be mechanical connection, or electrical connection or communication with each other;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0061] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0062] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A protective device for tracked vehicles, characterized in that, The track device protection device comprises a protection seat (1) comprising: a protection mounting frame (11) comprising a connecting plate (111) for detachable split connection with an end of a track frame (3) of a track device arranged towards a driving wheel (6), and a supporting plate (112) arranged on a side of the connecting plate (111) away from the track frame (3); a protection action plate (12) arranged at a lower end of the supporting plate (112) and spaced apart from a track plate on the lower side of the track device, the protection action plate (12) being used for limiting the raised height of the track plate between the track device's carrier wheel (5) and the driving wheel (6).

2. The guard for track-laying apparatus according to claim 1, characterized by The protection action plate (12) comprises a base plate body (121) arranged at the lower end of the supporting plate (112), and a boss portion (122) formed by the lower end of the base plate body (121) protruding downward, so that the lower end of the boss portion (122) is the lowest position of the protection seat (1), and the boss portion (122) is located between the carrier wheel (5) and the driving wheel (6).

3. The guard for track-laying apparatus according to claim 2, characterized in that The boss portion (122) is formed with a circular arc chamfer surface (123) on a side away from the carrier wheel (5), and the circular arc chamfer surface (123) is arranged as a concave circular arc chamfer.

4. The guard for track-laying apparatus according to claim 2, characterized by An end of the base plate body (121) away from the carrier wheel (5) is formed with a spade-shaped portion (124), an upper end surface of the spade-shaped portion (124) is arranged as a cleaning slope or a cleaning arc surface (125), the cleaning slope is arranged downwardly inclined in a direction from the carrier wheel (5) towards the driving wheel (6), and the cleaning arc surface (125) is arranged curved away from the driving wheel (6) in a direction from the carrier wheel (5) towards the driving wheel (6).

5. The track guard of claim 4, wherein A lower end surface of the spade-shaped portion (124) comprises a bottom plate extension surface (126) and a bottom plate front end surface (127) arranged in sequence, the bottom plate extension surface (126) is arranged downwardly inclined in a direction from the carrier wheel (5) towards the driving wheel (6), and the bottom plate front end surface (127) is arranged horizontally in a direction from the carrier wheel (5) towards the driving wheel (6).

6. The guard for track-laying apparatus according to claim 4, characterized by The spade-shaped portion (124) is located above the meshing area of the driving wheel (6) and the track plate on the lower side.

7. The guard for track-laying apparatus according to any one of claims 1 to 6, characterized in that The protection action plate (12) is arranged transversely protruding from the supporting plate (112) at both ends arranged in the width direction of the track device.

8. The guard for track-laying apparatus according to any one of claims 1 to 6, characterized in that The supporting plate (112) is formed with an avoidance arc surface (115) on a side towards the driving wheel (6), the avoidance arc surface (115) is curved and extended away from the driving wheel (6) in a direction from bottom to top; and / or, the supporting plate (112) is provided with a hoisting hole (114) transversely penetrating therethrough; And / or, the connecting plate (111) is provided laterally beyond the support plate (112) at both ends in the width direction of the track device, and both ends of the connecting plate (111) are provided with connecting holes (113) for detachable and split connection with the track frame (3).

9. A track arrangement characterised by The track device comprises the protection device for track device according to any one of claims 1 to 8.

10. A work machine characterized by, The working machine comprises the track device according to claim 9.

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