Walking system and excavator

Abstract

The walking system comprises a walking module and a stable supporting device, the walking module is switched through a track walking part or a road walking part to execute whole vehicle walking operation, and a track gauge adjusting part is used for adjusting the track gauge of the track walking part. The connecting part of the stable supporting device is connected with the body of the walking module, the supporting part of the stable supporting device is arranged towards a preset target supporting face, and the stable supporting device is used for providing ground supporting for the body of the walking module through the supporting part. According to the walking system and the excavator, the body of the walking module can be supported through the stable supporting device, the stability of the excavator in the construction process when the track gauge is reduced is ensured, the lifting capacity of the excavator is enhanced, and therefore the working efficiency of the excavator is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator equipment technical field especially relates to a walking system and excavator. BACKGROUND

[0002] At present, the excavator with highway and railway dual-purpose crawler type usually contains the steel wheel walking system walking on the track and the crawler walking system walking on the highway. When switching the steel wheel walking system used for track walking, in order to adapt to the standard track gauge of the track, the track gauge of the steel wheel walking system usually needs to be reduced.

[0003] In actual application, after the track gauge of the excavator is reduced, the stability of the excavator in the construction process will be reduced, thereby causing the lifting capacity of the excavator to be reduced, and causing the working efficiency of the excavator to be low. Therefore, how to ensure the stability of the excavator in the construction process when the track gauge of the excavator is reduced to enhance the lifting capacity of the excavator has become a problem to be solved. SUMMARY

[0004] The utility model embodiment discloses a walking system and excavator, can ensure the stability of excavator in the construction process when the track gauge of excavator is reduced, thereby enhanced the lifting capacity of excavator, thereby make the working efficiency of excavator get promotion.

[0005] In order to achieve the above object, in the first aspect, the utility model discloses a walking system, the walking system includes:

[0006] Walking module, the walking module has track gauge adjustment unit, track walking part and highway walking part, the walking module switches and adopts the track walking part or the highway walking part to carry out whole vehicle walking operation, the track gauge adjustment unit is arranged on the track walking part, and the track gauge adjustment unit is used for adjusting the track gauge of the track walking part;

[0007] Stable support device, the connecting part of the stable support device is connected with the body of the walking module, the support part of the stable support device is arranged towards the preset target support surface, and the stable support device is used for providing ground support for the body of the walking module through the support part.

[0008] As an optional implementation, in the embodiment of the first aspect of the utility model, the stable support device includes:

[0009] Support piece, the support piece is the connecting part of the stable support device, and one end of the support piece is connected with the body of the walking module;

[0010] A support leg lifting oil cylinder, one end of the support leg lifting oil cylinder is connected with the other end of the support base, and the support leg lifting oil cylinder is arranged towards the target support surface.

[0011] A support foot, the support foot is a support part of the stable support device, a connecting side of the support foot is connected with the other end of the support leg lifting oil cylinder, and a support surface of the support foot is arranged towards the target support surface.

[0012] As an optional implementation, in the embodiment of the first aspect of the utility model, the support base comprises:

[0013] A first support base, a fixed end of the first support base is connected with the body of the walking module;

[0014] A second support base, a support end of the second support base is connected with the support leg lifting oil cylinder, and a rotary connecting end of the second support base is connected with the rotary connecting end of the first support base;

[0015] A telescopic oil cylinder, the telescopic oil cylinder is connected with the first support base and the second support base respectively, and the telescopic oil cylinder is used for controlling the second support base to rotate around the connecting node of the first support base and the second support base, so as to adjust the included angle between the first support base and the second support base.

[0016] As an optional implementation, in the embodiment of the first aspect of the utility model, the walking module comprises:

[0017] A base, the base is the body of the walking module;

[0018] A track walking device, the track walking device is a highway walking part of the walking module, and the track walking device is arranged on the base at two opposite track frame arrangement ends;

[0019] A steel wheel walking device, the steel wheel walking device is a rail walking part of the walking module, and the steel wheel walking device is arranged on the base at two opposite steel wheel frame arrangement ends.

[0020] As an optional implementation, in the embodiment of the first aspect of the utility model, the steel wheel walking device comprises:

[0021] A driving steel wheel assembly, the driving steel wheel assembly is arranged at one steel wheel frame arrangement end of the base;

[0022] A driven steel wheel assembly, the driven steel wheel assembly is arranged at the other steel wheel frame arrangement end of the base.

[0023] As an optional implementation, in the embodiment of the first aspect of the utility model, the drive steel wheel assembly comprises:

[0024] The first steel wheel support is connected with one of the steel wheel frame arrangement ends of the base;

[0025] A pair of drive wheels are arranged at the other end of the first steel wheel support;

[0026] The first gauge adjusting oil cylinder is the gauge adjusting part of the walking module, is arranged between the two drive wheels, and is used for adjusting the gauge between the two drive wheels.

[0027] As an optional implementation, in the embodiment of the first aspect of the utility model, the drive steel wheel assembly further comprises:

[0028] The first lifting oil cylinder is connected with the hinge point of the base at one end, is connected with the hinge point of the first steel wheel support at the other end, and is used for adjusting the included angle between the first steel wheel support and the base to adjust the horizontal height of the base.

[0029] As an optional implementation, in the embodiment of the first aspect of the utility model, the driven steel wheel assembly comprises:

[0030] The second steel wheel support is connected with the other steel wheel frame arrangement end of the base at one end;

[0031] A pair of driven wheels are arranged at the other end of the second steel wheel support;

[0032] The second gauge adjusting oil cylinder is the gauge adjusting part of the walking module, is arranged between the two driven wheels, and is used for adjusting the gauge between the two driven wheels.

[0033] As an optional implementation, in the embodiment of the first aspect of the utility model, the drive steel wheel assembly further comprises:

[0034] The second lifting oil cylinder is connected with the hinge point of the base at one end, is connected with the hinge point of the second steel wheel support at the other end, and is used for adjusting the included angle between the second steel wheel support and the base to adjust the horizontal height of the base.

[0035] Secondly, the utility model discloses a kind of excavators, characterized in that, the excavator comprises:

[0036] The walking system according to the first aspect of the utility model;

[0037] The excavator main body, the walking system is installed in the excavator main body.

[0038] Compared with the prior art, the utility model has the advantages that:

[0039] The walking system provided by the utility model provides ground support for the body of the walking module through the stable support device, ensures the stability of the excavator construction process when the track gauge is reduced, thereby enhancing the lifting capacity of the excavator and improving the working efficiency of the excavator.

[0040] The excavator provided by the utility model adopts the walking system, provides ground support for the body of the walking module through the stable support device, ensures the stability of the excavator construction process when the track gauge is reduced, thereby enhancing the lifting capacity of the excavator and improving the working efficiency of the excavator. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 It is a structure schematic view of the walking system in the utility model;

[0042] Figure 2 It is a structure schematic view of one specific embodiment of the walking system in the utility model under the first visual angle;

[0043] Figure 3 It is a structure schematic view of one specific embodiment of the walking system in the utility model under the second visual angle.

[0044] Among them, the meaning of the sign is as follows:

[0045] Walking module 100, base 110, crawler walking device 120, steel wheel walking device 130, drive steel wheel assembly 131, first steel wheel support 1311, drive wheel 1312, first track gauge adjustment oil cylinder 1313, first lifting oil cylinder 1314, driven steel wheel assembly 132, second steel wheel support 1321, driven wheel 1322, second track gauge adjustment oil cylinder 1323, second lifting oil cylinder 1324, stable support device 200, support piece 210, first support 211, second support 212, telescopic oil cylinder 213, leg lifting oil cylinder 220, foot piece 230. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0047] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to necessarily have a specific orientation, or to be constructed and operated in a specific orientation.

[0048] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0049] In addition, the terms "mounting", "setting", "provided with", "connection", "connected" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] In addition, the terms "first", "second" and the like are mainly used to distinguish different devices, elements or components (the specific types and structures can be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise stated, the meaning of "multiple" is two or more.

[0051] The technical solutions of the present application will be further described below with reference to the embodiments and drawings.

[0052] At present, the excavator with highway and railway dual-purpose caterpillar type usually includes a steel wheel walking system walking on the track and a caterpillar walking system walking on the highway. When switching to use the steel wheel walking system for track walking, in order to adapt to the standard track pitch of the track, it is usually necessary to reduce the track pitch of the steel wheel walking system.

[0053] In actual application, the track gauge of the excavator is reduced, the stability of the excavator in the construction process is reduced, the lifting capacity of the excavator is reduced, and the working efficiency of the excavator is low. Therefore, how to ensure the stability of the excavator in the construction process when the track gauge of the excavator is reduced, so as to enhance the lifting capacity of the excavator, has become a problem to be solved.

[0054] To this end, the utility model discloses a walking system and excavator, can when excavator's track gauge is reduced, ensure the stability of excavator in the construction process, in this way, the lifting capacity of excavator is strengthened, thereby the working efficiency of excavator is improved.

[0055] As Figure 1 The utility model discloses a walking system, the walking system includes: walking module 100 and stable support device 200. Walking module 100 has track gauge adjustment part, track walking part and highway walking part, and walking module 100 switches and adopts track walking part or highway walking part to carry out whole vehicle walking operation, and track gauge adjustment part is arranged on track walking part, and track gauge adjustment part is used to adjust the track gauge of track walking part. The connecting part of the stable support device 200 is connected to the body of the walking module 100, and the supporting part of the stable support device 200 is arranged towards the preset target supporting surface. The stable support device 200 is used to provide ground support for the body of the walking module 100 through the supporting part.

[0056] In the embodiment, referring to Figure 1 , the walking module 100 walks on the rail track through the track walking part thereof and walks on the general highway or flat ground through the highway walking part thereof. The track walking part or the highway walking part can be switched according to actual needs to carry out walking operation. The track walking part of the walking module 100 is provided with the track gauge adjustment part, which can adjust the track gauge of the track walking part to adapt to the standard track gauge of the track to be executed. The walking module 100 can be applied to engineering machinery such as excavators.

[0057] The stable support device 200 is arranged at two side edges of the body of the walking module 100. The stable support device 200 has a connecting part and a supporting part, and is connected to the body of the walking module 100 through the connecting part. The supporting part of the stable support device 200 is arranged towards the preset target supporting surface, which can be towards the ground or any supporting surface capable of providing stable support. The supporting part can provide ground support for the body of the walking module 100, so that the stability of the whole machine in the construction process of the engineering machinery can be ensured even if the track gauge of the track walking part is reduced, the lifting capacity of the engineering machinery is enhanced, and the working efficiency of the construction is improved.

[0058] It can be understood that the number of the stable support devices 200 can be adjusted adaptively according to the actual required support stability, for example Figure 2 In the embodiment, the stable support devices 200 can be arranged as four, wherein two stable support devices 200 are arranged on each of the two side edges of the body of the walking module 100 respectively, and the stable support devices 200 on each side edge are arranged symmetrically with the stable support devices 200 on the other side edge, so as to further ensure the support stability provided by the stable support devices 200 for the body of the walking module 100.

[0059] It can be seen that the walking system of the utility model can provide ground support for the body of the walking module 100 through the arrangement of the stable support devices 200, so as to ensure the stability of the whole machine during the construction process when the track spacing is reduced, thereby enhancing the lifting capacity of the excavator and improving the working efficiency of the excavator.

[0060] As shown in Figure 2 and Figure 3 , in an optional embodiment, the stable support device 200 comprises a support piece 210, a leg lifting oil cylinder 220 and a foot piece 230. The support piece 210 is a connecting part of the stable support device 200, one end of the support piece 210 is connected with the body of the walking module 100; one end of the leg lifting oil cylinder 220 is connected with the other end of the support piece 210, and the leg lifting oil cylinder 220 is arranged towards a target support surface; the foot piece 230 is a support part of the stable support device 200, the connecting side of the foot piece 230 is connected with the other end of the leg lifting oil cylinder 220, and the support surface of the foot piece 230 is arranged towards the target support surface; wherein the leg lifting oil cylinder 220 is used to control the distance between the support piece 210 and the foot piece 230 through its own telescopic operation.

[0061] In this optional embodiment, referring to Figure 2 , one stable support device 200 is composed of a support piece 210, a leg lifting oil cylinder 220 and a foot piece 230, the support piece 210 is a connecting part of the stable support device 200, and the foot piece 230 is a support part of the stable support device 200. The body of the walking module 100 is connected with one end of the support piece 210, and the other end of the support piece 210 is connected with the leg lifting oil cylinder 220, the leg lifting oil cylinder 220 is a telescopic rod-shaped object, and the leg lifting oil cylinder 220 is arranged towards a target support surface such as the ground.

[0062] The foot piece 230 is arranged at the end of the leg lifting oil cylinder 220 towards the target supporting surface, and the supporting surface of the foot piece 230 is arranged towards the target supporting surface. By controlling the extension and retraction of the leg lifting oil cylinder 220, the stable supporting device 200 can adjust the distance between the support piece 210 and the foot piece 230, i.e. the distance between the support piece 210 and the target supporting surface, so that each stable supporting device 200 can maximize the supporting capacity for the walking module 100 according to the actual terrain, thereby further improving the overall stability of the engineering machinery.

[0063] It can be understood that the extension and retraction degree of the leg lifting oil cylinder 220 of different stable supporting devices 200 can be determined by the actual terrain, i.e. the extension and retraction degree of the leg lifting oil cylinder 220 of each stable supporting device 200 can be adjusted according to the actual required overall stability.

[0064] It can be seen that the optional embodiment can also adjust the distance between the support piece 210 and the foot piece 230 through the extension and retraction function of the leg lifting oil cylinder 220 of the stable supporting device 200, thereby further improving the supporting capacity for the walking module 100, and further improving the overall stability of the engineering machinery.

[0065] As shown in Figure 2 and Figure 3 , in an optional embodiment, the support piece 210 includes a first support 211, a second support 212 and an extension oil cylinder 213. The fixed end of the first support 211 is connected with the body of the walking module 100; the supporting end of the second support 212 is connected with the leg lifting oil cylinder 220, and the rotary connection end of the second support 212 is connected with the rotary connection end of the first support 211; the extension oil cylinder 213 is connected with the first support 211 and the second support 212 respectively, and is used for controlling the second support 212 to rotate around the connection node of the first support 211 and the second support 212, so as to adjust the included angle between the first support 211 and the second support 212.

[0066] In this optional embodiment, referring to Figure 3 , the support piece 210 includes a first support 211, a second support 212 and an extension oil cylinder 213. The first support 211 has a fixed end and a rotary connection end, the second support 212 has a supporting end and a rotary connection end, the fixed end of the first support 211 is connected with the body of the walking module 100, the rotary connection end of the first support 211 is connected with the rotary connection end of the second support 212, and the supporting end of the second support 212 is connected with the leg lifting oil cylinder 220.

[0067] The telescopic oil cylinder 213 is a telescopic rod-shaped object, which is arranged on the same side of the first support 211 and the second support 212 and connected to the first support 211 and the second support 212 through the oil cylinder connecting parts arranged on the first support 211 and the second support 212 respectively. Through the telescopic action of the telescopic oil cylinder 213, the second support 212 can rotate around the connection node between the first support 211 and the second support 212 as the rotation center to adjust the included angle between the first support 211 and the second support 212, that is, to adjust the angular deflection of the support leg lifting oil cylinder 220 and the support foot 230. The function of the telescopic oil cylinder 213 in adjusting the angular deflection of the support leg lifting oil cylinder 220 and the support foot 230 is that it can reduce the width size of the chassis of the whole vehicle when the support leg lifting oil cylinder 220 and the support foot 230 are retracted, and it can realize the adjustment of the contact point between the support foot 230 and the target support surface within a certain range, so as to cope with the complex ground working environment.

[0068] It can be seen that the optional embodiment can also adjust the included angle between the first support 211 and the second support 212 through the telescopic oil cylinder 213 to realize the angular deflection adjustment of the support leg lifting oil cylinder 220 and the support foot 230, so as to reduce the width size of the chassis of the whole vehicle when the support leg lifting oil cylinder 220 and the support foot 230 are retracted, and to realize the adjustment of the contact point between the support foot 230 and the target support surface within a certain range, so as to cope with the complex ground working environment.

[0069] As shown in Figure 2 In an optional embodiment, the walking module 100 includes a base 110, a track walking device 120, and a steel wheel walking device 130. The base 110 is the body of the walking module 100; the track walking device 120 is the road walking part of the walking module 100, which is arranged on the opposite track configuration ends of the base 110; and the steel wheel walking device 130 is the track walking part of the walking module 100, which is arranged on the opposite steel wheel frame configuration ends of the base 110.

[0070] In this optional embodiment, referring to Figure 2, the walking module 100 is composed of a base 110, a caterpillar walking device 120 and a steel wheel walking device 130, the base 110 is the body of the walking module 100, the caterpillar walking device 120 is the highway walking part of the walking module 100, and the steel wheel walking device 130 is the track walking part of the walking module 100. The left and right sides of the base 110 are caterpillar arrangement ends, the caterpillar walking device 120 is installed on the left and right sides of the base 110, and the caterpillar walking device 120 can realize the walking of the engineering machinery on the highway or the flat ground through the caterpillar belt and the rotating wheel driving the caterpillar belt. The front and rear ends of the base 110 are steel wheel frame arrangement ends, the steel wheel walking device 130 is installed on the front and rear ends of the base 110, and the steel wheel walking device 130 can realize the walking of the engineering machinery on the rail track through the steel wheel.

[0071] As shown in Figure 2 , in an optional embodiment, the steel wheel walking device 130 includes a driving steel wheel assembly 131 and a driven steel wheel assembly 132. The driving steel wheel assembly 131 is arranged at one steel wheel frame arrangement end of the base 110, and the driven steel wheel assembly 132 is arranged at the other steel wheel frame arrangement end of the base 110.

[0072] In this optional embodiment, the steel wheel walking device 130 is divided into the driving steel wheel assembly 131 and the driven steel wheel assembly 132, the driving steel wheel assembly 131 is arranged at the front end of the base 110, and the driven steel wheel assembly 132 is arranged at the rear end of the base 110. The driving steel wheel assembly 131 can provide active power for the walking of the engineering machinery on the rail track, and the driven steel wheel assembly 132 can perform driven walking under the power of the driving steel wheel assembly 131.

[0073] As shown in Figure 2 , in an optional embodiment, the driving steel wheel assembly 131 includes a first steel wheel support 1311, a pair of driving wheels 1312 and a first gauge adjusting oil cylinder 1313. One end of the first steel wheel support 1311 is connected with one steel wheel frame arrangement end of the base 110, the pair of driving wheels 1312 is arranged at the other end of the first steel wheel support 1311, and the first gauge adjusting oil cylinder 1313 is a gauge adjusting part of the walking module 100, the first gauge adjusting oil cylinder 1313 is arranged between the two driving wheels 1312, and the first gauge adjusting oil cylinder 1313 is used for adjusting the gauge between the two driving wheels 1312.

[0074] In this optional embodiment, refer to Figure 2The driving steel wheel assembly 131 is composed of a first steel wheel support 1311, a pair of driving wheels 1312 and a first track gauge adjusting oil cylinder 1313. The configuration end of the steel wheel support of the front end of the base 110 is connected with one end of the first steel wheel support 1311, and the pair of driving wheels 1312 is arranged at the other end of the first steel wheel support 1311. The driving wheels 1312 can provide active power for the walking of the engineering machinery on the rail track. The first track gauge adjusting oil cylinder 1313 is arranged between the two driving wheels 1312, which is the track gauge adjusting part of the walking module 100. The first track gauge adjusting oil cylinder 1313 can adjust the track gauge between the two driving wheels 1312 to adapt to the standard track gauge of the track to be executed.

[0075] It can be seen that the optional embodiment can also provide active power for the walking of the engineering machinery on the rail track by arranging a pair of driving wheels 1312, and adjust the track gauge by arranging the first track gauge adjusting oil cylinder 1313 to adapt to the standard track gauge of the track.

[0076] As shown in FIG. 1, Figure 2 In an optional embodiment, the driving steel wheel assembly 131 further comprises a first lifting oil cylinder 1314. One end of the first lifting oil cylinder 1314 is connected with the hinge point of the base 110, and the other end of the first lifting oil cylinder 1314 is connected with the hinge point of the first steel wheel support 1311. The first lifting oil cylinder 1314 is used to adjust the included angle between the first steel wheel support 1311 and the base 110, so as to adjust the horizontal height of the base 110.

[0077] In the optional embodiment, referring to Figure 2 The front end of the base 110 is provided with a hinge point, and the middle part of the first steel wheel support 1311 is also provided with a hinge point. The hinge point of the base 110 is connected with one end of the first lifting oil cylinder 1314, and the hinge point of the first steel wheel support 1311 is connected with the other end of the first lifting oil cylinder 1314. The first lifting oil cylinder 1314 is a telescopic rod-shaped object. By controlling the extension and contraction of the first lifting oil cylinder 1314, the included angle between the first steel wheel support 1311 and the base 110 can be adjusted. Since the driving wheels 1312 arranged at one end of the first steel wheel support 1311 are in contact with the track, the height between the base 110 and the track is adjusted, so as to realize the control of the lifting of the whole machine.

[0078] It can be seen that the optional embodiment can also adjust the height between the base 110 and the track by the extension and contraction of the first lifting oil cylinder 1314, so as to realize the control of the lifting of the whole machine.

[0079] As shown in FIG. 1, Figure 2As shown, in an optional embodiment, the driven steel wheel assembly 132 includes: a second steel wheel bracket 1321, a pair of driven wheels 1322, and a second track gauge adjustment cylinder 1323. One end of the second steel wheel bracket 1321 is connected to another steel wheel frame configuration end of the base 110; the pair of driven wheels 1322 are disposed at the other end of the second steel wheel bracket 1321; the second track gauge adjustment cylinder 1323 is the track gauge adjustment part of the travel module 100, and the second track gauge adjustment cylinder 1323 is disposed between the two driven wheels 1322, and is used to adjust the track gauge between the two driven wheels 1322.

[0080] In this optional embodiment, refer to Figure 2 The drive wheel assembly 131 consists of a second wheel bracket 1321, a pair of driven wheels 1322, and a second gauge adjustment cylinder 1323. The wheel frame configuration end at the rear end of the base 110 is connected to one end of the second wheel bracket 1321. The pair of driven wheels 1322 are located at the other end of the second wheel bracket 1321, and the driven wheels 1322 can move driven by the power of the drive wheel 1312. The second gauge adjustment cylinder 1323 is provided between the two driven wheels 1322. This second gauge adjustment cylinder 1323 is the gauge adjustment part of the walking module 100. The second gauge adjustment cylinder 1323 can adjust the gauge between the two driven wheels 1322 to adapt to the standard gauge of the track of the construction project to be carried out.

[0081] As can be seen, this optional embodiment can also enable the engineering machinery to move on the railway track by setting a pair of driven wheels 1322 and following the power of the drive wheels 1312, and set a second gauge adjustment cylinder 1323 to adjust the gauge to adapt to the standard gauge of the track.

[0082] like Figure 2 As shown, in an optional embodiment, the drive steel wheel assembly 131 further includes a second lifting cylinder 1324. One end of the second lifting cylinder 1324 is connected to a hinge point of the base 110, and the other end of the second lifting cylinder 1324 is connected to a hinge point of the second steel wheel bracket 1321. The second lifting cylinder 1324 is used to adjust the included angle between the second steel wheel bracket 1321 and the base 110, thereby adjusting the horizontal height of the base 110.

[0083] In this optional embodiment, refer to Figure 2The base 110 is provided with a hinge point at the rear end, and the second steel wheel support 1321 is also provided with a hinge point at the middle part, the hinge point of the base 110 is connected with one end of the second lifting oil cylinder 1324, and the hinge point of the second steel wheel support 1321 is connected with the other end of the second lifting oil cylinder 1324. The second lifting oil cylinder 1324 is a telescopic rod-shaped object, by controlling the telescopic of the second lifting oil cylinder 1324, the included angle between the first steel wheel support and the base 110 can be adjusted, because the driven wheel 1322 provided at one end of the second steel wheel support 1321 is in contact with the track, so the height between the base 110 and the track is adjusted, so as to realize the control of the lifting of the whole machine.

[0084] It can be seen that the optional embodiment can also adjust the height between the base 110 and the track through the telescopic of the second lifting oil cylinder 1324, so as to realize the control of the lifting of the whole machine.

[0085] The utility model discloses still a kind of excavator, it includes excavator main body and the walking system described in the above embodiment of the utility model, and walking system is installed in excavator main body.

[0086] It can be seen that in the embodiment, the excavator can adopt the above walking system, and the stability supporting device 200 is provided to provide ground support for the body of the walking module 100, so as to ensure the stability of the excavator during construction when the track gauge is reduced, thereby enhancing the lifting capacity of the excavator and improving the working efficiency of the excavator.

[0087] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme composed of any combination of the above technical features. It should be noted that for ordinary skilled persons in the technical field, without departing from the principles of the utility model, some improvements and refinements can be made, and these improvements and refinements are also considered within the protection scope of the utility model.

Claims

1. A walking system, characterized by, The walking system comprises: A walking module, which has a gauge adjusting part, a track walking part and a highway walking part, the walking module switches to use the track walking part or the highway walking part to perform whole vehicle walking operation, the gauge adjusting part is arranged on the track walking part, and the gauge adjusting part is used to adjust the gauge of the track walking part; A stable supporting device, a connecting part of the stable supporting device is connected with the body of the walking module, a supporting part of the stable supporting device is arranged towards a preset target supporting surface, and the stable supporting device is used to provide ground support for the body of the walking module through the supporting part.

2. The walking system of claim 1, wherein, The stable supporting device comprises: A support piece, which is the connecting part of the stable supporting device, one end of the support piece is connected with the body of the walking module; A supporting leg lifting oil cylinder, one end of the supporting leg lifting oil cylinder is connected with the other end of the support piece, and the supporting leg lifting oil cylinder is arranged towards the target supporting surface; A supporting leg piece, which is the supporting part of the stable supporting device, the connecting side of the supporting leg piece is connected with the other end of the supporting leg lifting oil cylinder, and the supporting surface of the supporting leg piece is arranged towards the target supporting surface; wherein the supporting leg lifting oil cylinder is used to control the distance between the support piece and the supporting leg piece through self telescopic operation.

3. The walking system of claim 2, wherein, The support piece comprises: A first support, a fixed end of the first support is connected with the body of the walking module; A second support, a supporting end of the second support is connected with the supporting leg lifting oil cylinder, and a rotary connecting end of the second support is connected with a rotary connecting end of the first support; A telescopic oil cylinder, which is connected with the first support and the second support respectively, and is used to control the second support to rotate around the connecting node of the first support and the second support, so as to adjust the included angle between the first support and the second support.

4. The walking system according to any one of claims 1 to 3, characterized in that The walking module comprises: A base, which is the body of the walking module; A track walking device, which is the highway walking part of the walking module, and is arranged on the base at two opposite track configuration ends; A steel wheel walking device, which is the track walking part of the walking module, and is arranged on the base at two opposite steel wheel frame configuration ends.

5. The walking system of claim 4, wherein, The steel wheel walking device comprises: A driving steel wheel assembly, which is arranged at one steel wheel frame configuration end of the base; A driven steel wheel assembly, which is arranged at the other steel wheel frame configuration end of the base.

6. The walking system of claim 5, wherein, The driving steel wheel assembly comprises: A first steel wheel support, one end of the first steel wheel support is connected with one steel wheel frame configuration end of the base; A pair of driving wheels, which are arranged at the other end of the first steel wheel support; A first gauge adjusting oil cylinder, which is the gauge adjusting part of the walking module, and is arranged between the two driving wheels, and is used to adjust the gauge between the two driving wheels.

7. The walking system of claim 6, wherein, The driving steel wheel assembly further comprises: A first lifting oil cylinder, one end of the first lifting oil cylinder is connected with the hinge point of the base, the other end of the first lifting oil cylinder is connected with the hinge point of the first steel wheel support, the first lifting oil cylinder is used for adjusting the included angle between the first steel wheel support and the base, so as to adjust the horizontal height of the base.

8. The walking system of claim 5, wherein, The driven steel wheel assembly comprises: A second steel wheel support, one end of the second steel wheel support is connected with the other steel wheel support end of the base; A pair of driven wheels, arranged at the other end of the second steel wheel support; A second gauge adjusting oil cylinder, the second gauge adjusting oil cylinder is a gauge adjusting part of the walking module, the second gauge adjusting oil cylinder is arranged between the two driven wheels, and the second gauge adjusting oil cylinder is used for adjusting the gauge between the two driven wheels.

9. The walking system of claim 8, wherein, The driven steel wheel assembly further comprises: A second lifting oil cylinder, one end of the second lifting oil cylinder is connected with the hinge point of the base, the other end of the second lifting oil cylinder is connected with the hinge point of the second steel wheel support, the second lifting oil cylinder is used for adjusting the included angle between the second steel wheel support and the base, so as to adjust the horizontal height of the base.

10. An excavator characterized by comprising: The excavator comprises: The walking system according to any one of claims 1 to 9; An excavator body, the walking system is installed on the excavator body.

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