CN212200550U

CN212200550U - Running gear and excavator

Info

Publication number: CN212200550U
Application number: CN202020818930.9U
Authority: CN
Inventors: 钟佩文; 李志锋; 于德刚
Original assignee: Sany Heavy Machinery Ltd
Current assignee: Sany Heavy Machinery Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-22
Anticipated expiration: 2030-05-15

Abstract

The utility model provides a running gear and excavator belongs to excavator technical field. The walking device comprises: the traction device comprises a walking device body, a traction frame and a buffer piece, wherein one end of the traction frame is connected with the walking device body, the other end of the traction frame is rotatably connected with the buffer piece, and the buffer piece is used for connecting a traction apparatus to be dragged. The excavator comprises the walking device. In the traction operation process of the excavator, the damage degree of the traction apparatus to the walking device can be effectively reduced.

Description

Running gear and excavator

Technical Field

The utility model relates to an excavator technical field particularly, relates to a running gear and excavator.

Background

The hydraulic excavator is an engineering machine capable of quickly and efficiently constructing. The walking device of the hydraulic excavator is driven by a hydraulic motor, and two crawler belts in the walking device can realize in-situ turning and can walk and turn in narrow places. The hydraulic excavator has the advantages of large traction force, good climbing performance, strong maneuvering capability and the like, and is a preferred machine of a traction power source.

Among the prior art, be provided with the traction hole on hydraulic shovel's running gear usually for traction apparatus, and hydraulic shovel is mostly flexible connection with traction apparatus's connected mode, for example, passes the traction hole through wire rope and realizes traction apparatus's traction operation, under the condition of some special road conditions or emergency brake, can make traction apparatus hit running gear very easily, thereby makes running gear damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a running gear and excavator pulls the operation in-process at the excavator, can effectively slow down the damage degree that traction apparatus caused to running gear.

The embodiment of the utility model is realized like this:

the utility model discloses an aspect provides a running gear, include: the traction device comprises a walking device body, a traction frame and a buffer piece, wherein one end of the traction frame is connected with the walking device body, the other end of the traction frame is rotatably connected with the buffer piece, and the buffer piece is used for connecting a traction apparatus to be dragged.

Optionally, the buffer member comprises a first buffer member and a second buffer member which are fixedly connected, the first buffer member is rotatably connected with the traction frame through a positioning pin, the length direction of the positioning pin is perpendicular to the movement direction of the walking device, and the second buffer member is used for connecting a traction apparatus to be pulled.

Optionally, one end of the traction frame, which is far away from the walking device body, is provided with a U-shaped groove, and the first buffer member is inserted into the U-shaped groove.

Optionally, the running gear further comprises an auxiliary member, and the running gear body and the traction frame are connected through the auxiliary member.

Optionally, the auxiliary member is a connecting rod, one end of the connecting rod is rotatably connected with the walking device body, and the other end of the connecting rod is connected with the traction frame.

Optionally, the end of the traction frame far away from the walking device body is provided with a connecting block, a plurality of adjusting through holes are sequentially arranged on the connecting block, and the connecting rod can be selectively inserted into one adjusting through hole.

The utility model discloses another aspect of the embodiment provides an excavator, include: the tractor comprises a tractor body and a plurality of running gear of any one of the above, wherein the tractor body comprises a frame and a chassis which are connected with each other, the chassis is connected with the running gear and can rotate relative to the running gear, and a buffer frame in the running gear is connected with an appliance to be dragged.

The utility model discloses beneficial effect includes:

an embodiment of the utility model provides a pair of running gear and excavator, wherein, running gear includes running gear body, traction frame and buffer. One end of the traction frame is connected with the walking device body, the other end of the traction frame is rotatably connected with the buffer piece, and the buffer piece is used for connecting a traction apparatus to be dragged. In the traction operation process of the excavator, the traction frame is connected with the walking device, the walking device body can be prevented from being in direct contact with the traction apparatus when colliding, the buffer piece can buffer the impact force on the walking device body when the traction apparatus collides, and therefore, in the traction operation process of the excavator, the damage degree of the traction apparatus to the walking device can be effectively reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a walking device provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a buffer member in a walking device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a traction frame in a walking device according to an embodiment of the present invention.

Icon: 10-a walking device; 11-a running gear body; 20-a traction frame; 21-connecting blocks; 30-a buffer; 31-a first buffer; 32-a second buffer; 40-auxiliary parts.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical" and "horizontal" position relationship are based on the position or position relationship shown in the drawings, or the position or position relationship that the utility model is usually placed when using, and are only for convenience of description, therefore, the present invention is not to be construed as being limited by the description. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined.

In the description of the present invention, it is also to be understood that the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, be provided with the traction hole on hydraulic shovel's running gear 10 usually for traction apparatus, and hydraulic shovel is mostly flexible connection with traction apparatus's connected mode, for example, passes the traction operation of traction apparatus through wire rope realization to traction apparatus, under the circumstances of some special road conditions or emergency brake, can make traction apparatus hit running gear 10 very easily, thereby make running gear 10 damaged. The present application has been made to solve the above problems, and the following are embodiments of the present application.

Fig. 1 is a schematic structural view of the traveling device 10 provided by the present invention, please refer to fig. 1, an embodiment of the present invention provides a traveling device 10, including: running gear body 11, traction frame 20 and buffer 30, the one end and the running gear body 11 of traction frame 20 are connected, and the other end rotates with buffer 30 and is connected, and buffer 30 is used for connecting treating the traction apparatus.

It should be noted that, in the first embodiment, a hydraulic excavator is taken as an example for description, wherein the hydraulic excavator is a multifunctional machine, and is widely applied to mechanical construction of hydraulic engineering, transportation, electric power engineering, mine excavation and the like, and plays an important role in reducing heavy physical labor, ensuring engineering quality, accelerating construction speed and improving labor productivity.

Secondly, the traveling device 10 of the hydraulic excavator is driven by a hydraulic motor, and two tracks in the traveling device 10 can realize pivot turning and can travel and turn in narrow places.

Thirdly, there are various connection methods between the traction frame 20 and the traveling device body 11. For example, if the traction frame 20 is fixedly connected to the traveling apparatus body 11, the traction frame 20 may be fixedly connected to the traveling apparatus body 11 by a bolt or a screw, or the traction frame 20 may be fixed to the traveling apparatus body 11 by welding. If the traction frame 20 is rotatably connected with the traveling device body 11, the traction frame 20 and the traveling device body 11 can be rotatably connected through a rotating shaft.

Fourthly, when running gear 10 is at the operation in-process, running gear body 11 with treat the traction apparatus and be connected, when the circumstances such as road surface slope or sudden brake appear, be connected with running gear 10 through traction frame 20, direct contact when can avoiding running gear body 11 and traction apparatus to take place the striking, the buffer 30 can cushion the impact force to running gear body 11 when traction apparatus takes place the striking, consequently, at the excavator traction operation in-process, this application can effectively slow down the damage degree that traction apparatus caused running gear 10.

The embodiment of the utility model provides a pair of running gear 10, wherein, this running gear 10 includes running gear body 11, traction frame 20 and buffer 30. One end of the traction frame 20 is connected with the walking device body 11, the other end is rotatably connected with the buffer member 30, and the buffer member 30 is used for connecting an appliance to be dragged. In the traction operation process of the excavator, the traction frame 20 is connected with the walking device 10, the walking device body 11 can be prevented from being in direct contact with traction equipment when colliding, and the buffer piece 30 can buffer impact force on the walking device body 11 when the traction equipment collides, so that the damage degree of the traction equipment to the walking device 10 can be effectively reduced in the traction operation process of the excavator.

Fig. 2 is a schematic structural diagram of the buffer member 30 in the traveling device 10 provided by the embodiment of the present invention, further, the buffer member 30 includes a first buffer member 31 and a second buffer member 32 which are fixedly connected, the first buffer member 31 is rotatably connected with the traction frame 20 through a positioning pin, the length direction of the positioning pin is perpendicular to the moving direction of the traveling device 10, and the second buffer member 32 is used for connecting a traction apparatus.

Illustratively, the buffer 30 includes a first buffer 31 and a second buffer 32 fixedly connected to each other, the first buffer 31 has a first connecting through hole, the second buffer 32 includes two parallel engaging lugs, the two engaging lugs have second connecting through holes, and the opening direction of the first connecting through hole is perpendicular to the opening direction of the second connecting through hole. The first buffer member 31 is rotatably connected with the traction frame 20 through the first connecting through hole, and is connected with the appliance to be dragged through the second connecting through hole.

Fig. 3 is a schematic structural view of the traction frame 20 in the running gear 10 provided by the embodiment of the present invention, further, one end of the traction frame 20, which is far away from the running gear body 11, is provided with a U-shaped groove, and the first buffer member 31 is inserted into the U-shaped groove.

It should be noted that, one end of the traction frame 20 away from the walking device body 11 is a U-shaped groove, wherein the U-shaped groove may be integrated with the walking device body 11, or a U-shaped groove connection seat is fixedly connected to the traction frame 20. For example, the U-shaped groove is integrated with the running gear body 11, that is, the U-shaped groove is integrally cast with the running gear body 11, and then a U-shaped groove structure is milled at one end of the traction frame 20 away from the running gear body 11, or the U-shaped groove structure is directly cast, as long as the integrated structure of the U-shaped groove and the running gear body 11 can be realized.

If the end of the traction frame 20 far away from the walking device body 11 is a U-shaped groove, the traction frame 20 is fixedly connected with the U-shaped groove connection seat. Exemplarily, the U-shaped slot connecting seat includes two first connecting plates disposed in parallel to each other, an inner wall of one end of the two first connecting plates is fixedly connected to the traction frame 20 by welding, the other end of the two first connecting plates is provided with a third connecting hole, the first buffer 31 is inserted between the two first connecting plates, and the rotating shaft sequentially passes through the first connecting hole on the first buffer 31 and the third connecting hole on the two first connecting plates, so as to rotatably connect the first buffer 31 and the two first connecting plates.

Further, referring to fig. 1, the running gear 10 further includes an auxiliary member 40, and the running gear body 11 and the traction frame 20 are connected through the auxiliary member 40.

The auxiliary member 40 has one end connected to the traveling device body 11 and the other end connected to the traction frame 20. And, the junction of auxiliary 40 and running gear body 11 is first junction, and the junction of auxiliary 40 and traction frame 20 is the second junction, and first junction is located the one side that running gear body 11 deviates from ground, and the second junction is located the one side that traction frame 20 deviates from ground to keep away from the one end of running gear body 11. The auxiliary member 40 prevents the end of the traction frame 20 away from the running gear body 11 from rotating toward the ground, so as to ensure the passability of the running gear 10.

Alternatively, this embodiment shows an embodiment of the auxiliary member 40, wherein the auxiliary member 40 is a connecting rod, one end of which is rotatably connected to the walking device body 11, and the other end of which is connected to the traction frame 20.

It should be noted that one end of the connecting rod is connected to the first connection point, and the other end of the connecting rod is connected to the second connection point. The connecting rod can be directly connected with the walking device body 11 and the traction frame 20, and can also be connected with the walking device body 11 and the traction frame 20 through the connecting seat.

Illustratively, a first connecting seat and a second connecting seat are fixedly connected to two ends of the connecting rod, respectively, the first connecting seat is rotatably connected to the traveling device body 11 through a pin shaft, and the second connecting seat is connected to the traction frame 20 through a pin shaft display.

Further, referring to fig. 3, a connecting block 21 is disposed at an end of the traction frame 20 away from the walking device body 11, a plurality of adjusting through holes are sequentially disposed on the connecting block 21, and the connecting rod is selectively inserted into one of the adjusting through holes.

It should be noted that the connecting block 21 is disposed at one end of the traction frame 20 away from the ground and the walking device body 11. Exemplarily, the traction frame 20 includes a rectangular portion, a triangular portion and a connecting end, wherein the rectangular portion is rotatably connected to the traveling device body 11 through two connecting seats on one side, the other side is fixedly connected to the bottom side of the triangular portion, the vertex of the triangle is connected to the connecting end, the connecting block 21 is disposed on the connecting end, and a plurality of adjusting through holes are sequentially and linearly disposed on the connecting block 21, for example, two adjusting through holes are disposed on the connecting block 21, the two adjusting through holes are respectively a first adjusting through hole and a second adjusting through hole, the connecting rod is connected to the first adjusting through hole, the traction frame 20 is kept in a horizontal state, when the connecting rod is connected to the second adjusting through hole, the traction frame 20 deviates from the ground and inclines upwards, so that the traveling device 10 has better trafficability. The difficult setting of adjusting the through-hole is too much, if adjusting the through-hole setting too much, influences the connection rigidity of connecting block 21 on the one hand, and on the other hand, it is more to adjust the through-hole, means can adjust the angle of inclination of traction frame 20 for ground more, if the angle of inclination is too big, can influence running gear 10 and the stability of being connected of chassis and running gear 10 with the chassis.

The utility model discloses another aspect of the embodiment provides an excavator, include: the vehicle body comprises a vehicle frame and a chassis which are connected with each other, the chassis is connected with the running gear 10 and can rotate relative to the running gear 10, and a buffer frame in the running gear 10 is connected with an appliance to be dragged.

It should be noted that, the traveling device 10 includes a traveling device body 11 and two tracks, two sets of tracks are installed on the traveling device body 11, and the traction frame 20 is located between the two tracks, the middle part of the traveling device body 11 is provided with a chassis connection position, and the chassis is rotatably connected with the traveling device body 11 through the chassis connection position, so as to realize the multi-directional excavating operation of the excavator. One end of the traction frame 20, which is far away from the walking device body 11, is connected with the buffer member 30, so that when the excavator is in a traction operation state, in some special environments, such as emergency braking, the traction device can be prevented from colliding with the walking device body 11, and the buffer member 30 can also disperse part of collision stress, so that the damage degree of the traction device to the walking device 10 can be effectively reduced.

In another aspect of the present embodiment, a traction frame 20 of a traveling device 10 of an excavator is connected to a traveling device body 11 at one end and to a buffer member 30 at the other end, and the traction frame 20 and the buffer member 30 can effectively disperse impact force of a traction apparatus on the traveling device 10 during a traction operation of the excavator.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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

1. A walking device, comprising: the traction device comprises a walking device body, a traction frame and a buffer piece, wherein one end of the traction frame is connected with the walking device body, the other end of the traction frame is connected with the buffer piece in a rotating mode, and the buffer piece is used for connecting a traction appliance to be dragged.

2. The walking device as claimed in claim 1, wherein the buffer member comprises a first buffer member and a second buffer member which are fixedly connected, the first buffer member is rotatably connected with the traction frame through a positioning pin, the length direction of the positioning pin is perpendicular to the movement direction of the walking device, and the second buffer member is used for connecting the device to be towed.

3. The walking device as claimed in claim 2, wherein the traction frame is provided with a U-shaped groove at an end thereof away from the walking device body, and the first buffer member is inserted into the U-shaped groove.

4. The walking device of claim 1, further comprising an auxiliary member, wherein the walking device body and the traction frame are connected by the auxiliary member.

5. The walking device of claim 4, wherein the auxiliary member is a connecting rod, one end of the connecting rod is rotatably connected with the walking device body, and the other end of the connecting rod is connected with the traction frame.

6. The walking device as claimed in claim 5, wherein a connecting block is arranged at one end of the traction frame away from the walking device body, a plurality of adjusting through holes are sequentially arranged on the connecting block, and the connecting rod can be selectively inserted into one of the adjusting through holes.

7. An excavator is characterized by comprising an excavator body and a walking device as claimed in any one of claims 1 to 6, wherein the excavator body comprises a frame and a chassis which are connected with each other, the chassis is connected with the walking device and can rotate relative to the walking device, and a buffer frame in the walking device is connected with an appliance to be dragged.