CN217974558U

CN217974558U - Anti-tipping device and engineering machinery

Info

Publication number: CN217974558U
Application number: CN202222293909.3U
Authority: CN
Inventors: 左欧阳; 程思伟; 陈威
Original assignee: Sany Heavy Machinery Ltd
Current assignee: Sany Heavy Machinery Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-06
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to an engineering machine tool technical field, concretely relates to anti-tilt device and engineering machine tool. The anti-tipping device comprises: the first driving part is suitable for being arranged on the frame; the rotating part is connected with the driving end of the first driving part; one end of the swinging part is hinged with the rotating piece; one end of the second driving part is hinged with the rotating part, and the other end of the second driving part is hinged with one end of the swinging part, which is far away from the first driving part; the fixed supporting part is connected with the other end of the swinging part and is suitable for being supported on the ground; the utility model discloses well first drive division drive revolution can 360 rotations, when needs side direction support, through the rotation of revolution and the drive of second drive division, the position that changes the swing portion is in order to adjust the support position of fixed support portion, adjusts suitable back fixed support portion and the support that the ground cooperation gave the excavator side direction, has promoted the anti ability of tumbling of excavator side direction, has effectively solved the problem that the anti ability of tumbling of excavator side direction is not enough easily turned on one's side among the prior art.

Description

Anti-tipping device and engineering machinery

Technical Field

The utility model relates to an engineering machine tool technical field, concretely relates to anti-tilt device and engineering machine tool.

Background

The crawler excavator moves and turns through the annular chain belt which runs on the crawler excavator, the number of the load wheels of the crawler is large, the weight born by each wheel is small, the pressure distribution on the ground is uniform, the traffic performance of engineering machinery such as the excavator is good, and in a complex construction environment, the edge warping phenomenon still easily occurs when the excavator performs excavation operation.

At present, some small excavators increase the forward anti-tipping capacity by installing a dozer blade, but the anti-tipping capacity of the excavator per se is still insufficient during side excavation, so that the excavator has the problems of insufficient side anti-tipping capacity and easy side turning during construction in soft and inclined places.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the excavator lateral direction anti-overturning ability among the prior art is not enough to turn on one's side easily to an anti-overturning device and engineering machine tool are provided.

In order to solve the above problem, the utility model provides an anti-tipping device, include: the first driving part is suitable for being arranged on the frame; the rotating part is connected with the driving end of the first driving part; one end of the swinging part is hinged with the rotating part; one end of the second driving part is hinged with the rotating part, and the other end of the second driving part is hinged with one end of the swinging part, which is far away from the first driving part; and the fixed supporting part is connected with the other end of the swinging part and is suitable for being supported on the ground.

Optionally, the swing portion includes two swing levers arranged in parallel, and the second driving portion is arranged between the two swing levers.

Optionally, the anti-tipping device further includes a first hinged seat, the first hinged seat is disposed on the turning part, and the two swing rods are hinged on the first hinged seat.

Optionally, the anti-tipping device further comprises a second hinged seat, the second hinged seat is arranged on the rotation portion, and the second driving portion is hinged on the second hinged seat.

Optionally, the anti-tipping device further comprises a connecting plate, the connecting plate is arranged on the rotating portion, and the first hinged seat and the second hinged seat are both arranged on the connecting plate.

Optionally, the fixed support portion includes a fixed support, a support connecting rod and a plurality of support legs, one end of the support connecting rod is hinged to the fixed support, the other end of the support connecting rod is hinged to the swing portion, and the plurality of support legs are disposed on the fixed support.

Optionally, the support connecting rod, the swinging part and the second driving part are hinged through the same hinge shaft.

Optionally, the anti-tipping device further comprises a mounting seat, the rotating part is arranged on the mounting seat, and the mounting seat is suitable for being arranged on the frame.

Optionally, the fixed support part is hinged to the other end of the swinging part.

The utility model also provides an engineering machine tool, include: at least two anti-tipping devices and the frame, wherein the at least two anti-tipping devices are respectively arranged at two sides of the frame

The utility model has the advantages of it is following:

1. first drive division drive rotation portion can 360 rotations, and second drive division drive swing portion when needs side direction support, through the rotation of rotation portion and the drive of second drive division, the position that changes the swing portion is in order to adjust the support position of fixed stay portion, adjusts suitable back fixed stay portion and ground cooperation and gives the support of excavator side direction, has promoted the anti ability of tumbling of excavator side direction, has effectively solved the problem that the anti ability of tumbling of excavator side direction is not enough easily to turn on one's side among the prior art.

2. The second driving part is hinged with the two swinging rods, the second driving part, the two swinging rods and the connecting plate form a stable triangular structure, so that the support is firmer, the angles of the two swinging rods change along with the change of the length of the second driving part, and the change of the swinging angles of the two swinging rods is realized through a simple and reliable mechanism.

3. The support connecting rod, the swinging part and the second driving part are hinged through the same third hinge shaft, and the three are coaxially connected, so that the size of the three hinge shaft is unified while the number of additional hinge parts is reduced, the structural strength of the three hinge shaft is improved, and the manufacturing process is simpler.

Drawings

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

Fig. 1 shows a three-dimensional schematic view of an anti-tip over device according to an embodiment of the invention;

fig. 2 shows a schematic view of the installation position of the anti-tipping device of fig. 1.

Description of reference numerals:

10. a mounting seat; 21. a first driving section; 22. a rotation section; 31. a swing lever; 40. a second driving section; 51. fixing a support; 52. a support connecting rod; 521. an upper connecting plate; 522. a blocking plate; 523. a lower connecting plate; 53. a support leg; 60. a frame; 71. a first hinge mount; 72. a second hinged seat; 73. a connecting plate; 74. and (7) reinforcing the plate.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 2, the anti-tipping device of the present embodiment includes: the device comprises a first driving part 21, a rotary part 22, a swinging part, a second driving part 40 and a fixed supporting part, wherein the first driving part 21 is suitable for being arranged on a frame 60; a rotation portion 22 connected to the drive end of the first drive portion 21; a swinging part, one end of which is hinged with the revolving part 22; a second driving part 40, one end of which is hinged with the revolving part 22 and the other end of which is hinged with one end of the swinging part far away from the first driving part 21; and the fixed supporting part is connected with the other end of the swinging part and is suitable for being supported on the ground.

By applying the anti-rollover device of the embodiment, the first driving part 21 drives the revolving part 22 to rotate for 360 degrees, the second driving part 40 drives the swinging part, when the lateral support is needed, the position of the swinging part is changed to adjust the support position of the fixed support part through the rotation of the revolving part 22 and the driving of the second driving part 40, the proper rear fixed support part is adjusted to be matched with the ground to support the excavator laterally, the lateral anti-rollover capability of the excavator is improved, and the problem that the excavator is prone to rollover due to insufficient lateral anti-rollover capability in the prior art is effectively solved.

In this embodiment, the swing portion includes two swing rods 31 arranged in parallel, the second driving portion 40 is arranged between the two swing rods 31, the two swing rods 31 arranged in parallel effectively improve the bearing strength of the two swing rods 31 with a simple structure, and the two swing rods 31 are hinged to the fixed support portion simultaneously, so that the connection is more reliable. It can be understood that the swinging portion may also be a swinging rod with a long through hole in the middle, and the specific structure of the swinging portion can be firmly connected with the second driving portion 40 without interfering with the movement of the two portions.

In this embodiment, the anti-tipping device further includes a first hinge seat 71, the first hinge seat 71 is disposed on the revolving portion 22, the two swing rods 31 are hinged on the first hinge seat 71, and the swing rods 31 are connected to the revolving portion 22 through the first hinge seat 71, so that the connection mode is simple and convenient, and the structure is simple. Specifically, the first hinge base 71 includes two first hinge plates disposed at intervals, and the two first hinge plates and the two swing levers are connected together by a first hinge shaft.

In this embodiment, the anti-tipping device further includes a second hinge seat 72, the second hinge seat 72 is disposed on the revolving portion 22, the second driving portion 40 is hinged on the second hinge seat 72, and the other end of the second driving portion 40 is hinged on the swinging portion, so that the second hinge seat 72 is used as a fulcrum to drive the swinging portion to swing up and down, thereby making the swinging more reliable. Specifically, the second hinge seat 72 includes two second hinge plates disposed at intervals, the two second hinge plates being located between the two first hinge plates, and the two second hinge plates and the second driving part being connected together by a second hinge shaft.

Specifically, the second hinge plate is arranged obliquely above the first hinge plate, two reinforcing plates 74 are further connected to the second hinge shaft and the first hinge shaft, one reinforcing plate 74 is arranged between each second hinge plate and the swinging portion, and the two reinforcing plates 74 connect the second hinge shaft and the first hinge shaft together to play a role in reinforcing so that the structure is firmer. It is understood that the reinforcing plate 74 may not be provided.

In this embodiment, the anti-tipping device further includes a connecting plate 73, the connecting plate 73 is disposed on the revolving portion 22, the first hinged seat 71 and the second hinged seat 72 are both disposed on the connecting plate 73, the revolving portion 22 drives the connecting plate 73 to rotate, and the first hinged seat 71 and the second hinged seat 72 further drive the whole component hinged on the connecting plate 73 to rotate along with the rotation of the connecting plate 73, so that the angle adjustment of the anti-tipping device is more flexible. It will be understood that the connecting plate 73 may not be provided and the first hinge seat 71 and the second hinge seat 72 may be provided directly on the turn portion 22.

Specifically, the second driving portion 40 is hinged to the two swing rods 31, the second driving portion 40, the two swing rods 31 and the connecting plate 73 form a stable triangular structure, so that the support is firmer, the angle of the two swing rods 31 changes along with the change of the length of the second driving portion 40, and the change of the swing angle of the two swing rods 31 is realized through a simple and reliable mechanism.

In this embodiment, the fixed support portion includes fixed support 51, support connecting rod 52 and a plurality of stabilizer blades 53, the one end of support connecting rod 52 is articulated with fixed support 51, the other end of support connecting rod 52 is articulated with the pars pendulous, a plurality of stabilizer blades 53 set up on fixed support 51, the articulated of a plurality of parts can deal with different topography and more complicated angle requirements, a plurality of stabilizer blades 53 can insert soft ground, and then support the side direction of excavator, make the excavator can better deal with soft ground environment when the side direction is excavated.

Specifically, the fixed support portion is hinged to the swing portion, and is only affected by gravity in a vertically downward state in a free state, the specific form of the fixed support 51 is not limited, and is preferably a rectangular structure, the number of the support legs 53 can be changed according to the actual working environment requirement, the shape of the support legs 53 can be claw-shaped, hemispherical or the like, and can be well matched with the ground, and preferably a columnar body is arranged at four corners of the fixed support 51.

In this embodiment, the support connecting rod 52, the swinging portion and the second driving portion 40 are hinged through the same third hinge shaft, and the three are coaxially connected, so that the size of the three hinge shafts is unified while the additional hinge parts are reduced, the structural strength of the three hinge shafts is improved, and the manufacturing process is simpler. It will be appreciated that the support link 52 may be separately hinged to the swing portion, which is separately hinged to the second drive portion 40.

In the embodiment, the support link 52 has a stop plate 522, the stop plate 522 is used for limiting the rotation angle of the fixed support 51, and preventing the fixed support 51 from excessively swinging towards the vehicle body and touching other connecting components, the length of the support link 52 can be freely selected, and an extending cylinder can be further arranged on the support link 52, so that the support link 52 can freely stretch and contract to change the length, and the position where the fixed support 51 can support is deeper and farther, so as to increase the application scene of the anti-rollover device.

Specifically, the support link 52 includes an upper connection plate 521, a blocking plate 522 and a lower connection plate 523, the blocking plate 522 is connected between the upper connection plate 521 and the lower connection plate 523, the upper connection plate 521 is fixed on the third hinge shaft, the lower connection plate 523 is hinged to the fixed support portion, the upper connection plate 521 and the lower connection plate 523 are arranged to be conveniently connected with the swing rod and the fixed support portion, and the connection mode is simpler and more convenient.

In this embodiment, the anti-roll-over device further comprises a mounting seat 10, the turning part 22 is arranged on the mounting seat 10, the mounting seat 10 is suitable for being arranged on the vehicle frame 60, and the mounting seat 10 can bear other components of the anti-roll-over device and is convenient for later disassembly and assembly. It is understood that the mount 10 may not be provided and the turning portion 22 may be directly fixed to the frame 60.

Specifically, the specific structural form of the mounting seat 10 is selected according to practical manufacturing convenience, and is not limited herein, and it may be firmly fixed on the frame 60 and may accommodate the first driving portion 21.

In the present embodiment, the first driving portion 21 is a hydraulic rotary motor, which can bear a larger moment and is more reliable and durable. It is to be understood that the first driving unit 21 may be another rotating member such as a rotating electric machine.

In this embodiment, the second driving portion 40 is a telescopic driving cylinder, and the driving lever is telescopic to drive the swing rod 31 to swing up and down, so that an additional structure is not required, and the overall structure is simpler and more reliable. It is to be understood that the second driving unit 40 may be an oil cylinder, an electric cylinder, an air cylinder, or other link mechanisms, and may be configured to change the length.

The following describes the manner of use of the anti-tip over device provided in this embodiment:

when the excavator works in an environment which can be responded by the excavator, the anti-tipping device is in a retracted state, the second driving part 40 is retracted to the shortest position, the swing rod 31 is lifted upwards to the highest position, the support connecting rod 52 drives the fixed support 51 to be far away from the ground, and the support leg 53 faces the side surface at the moment, so that any action of the excavator cannot be influenced; when the excavator needs to be laterally supported in a complex environment, the anti-tipping device is in an unfolded state, the hydraulic rotating motor is rotated according to the environment and the swinging rod 31 is swung, and the position is adjusted until the fixed support 51 and the support leg 53 on the fixed support can stably form support, so that the excavator can start lateral operation.

The utility model also provides an engineering machine tool, it includes: at least two of the above-described anti-roll devices and a frame 60, the at least two anti-roll devices being disposed on either side of the frame 60.

Specifically, the number of the anti-tipping devices can be increased according to the requirement, and preferably two anti-tipping devices are arranged, and the specific installation positions of the anti-tipping devices can be adjusted, and can be symmetrically arranged on two sides of the frame or arranged in a staggered manner.

In the present embodiment, the working machine is an excavator or the like.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the mounting seat 10 is fixedly arranged on the frame 60, the hydraulic rotating motor is arranged on the mounting seat 10, one ends of the two swing rods 31 and the driving cylinder are respectively hinged with a rotating part of the hydraulic rotating motor, the other ends of the two swing rods 31 and the driving cylinder are mutually hinged, one end of the swing part far away from the rotary part 22 is hinged with the fixed supporting part, the hydraulic rotating motor can rotate for 360 degrees, the driving cylinder can drive the two swing rods 31 to swing up and down, the positions of the two swing rods 31 are adjusted and matched with the ground when the driving cylinder faces different environments, firm lateral support is provided for the excavator, and the lateral anti-tipping capability of the excavator is effectively improved.

2. The second driving part 40 is hinged to the two swing rods 31 and hinged to the connecting plate 73 through hinge seats respectively, and the second driving part 40, the two swing rods 31 and the connecting plate 73 form a stable triangular structure, so that the supporting structure is firmer when the excavator is laterally supported.

3. Set up a plurality of stabilizer blades 53 on fixing support 51, the articulated different topography that can deal with of a plurality of parts, a plurality of stabilizer blades 53 can insert soft ground, and then support the side direction of excavator, have effectively promoted the ability of excavator work in soft ground environment.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An anti-tipping device, comprising:

a first drive section (21) adapted to be provided on the frame (60);

a rotation part (22) connected to the drive end of the first drive part (21);

one end of the swinging part is hinged with the rotating part (22);

a second driving part (40), one end of which is hinged with the rotary part (22) and the other end of which is hinged with one end of the swinging part far away from the first driving part (21);

and the fixed supporting part is connected with the other end of the swinging part and is suitable for being supported on the ground.

2. Anti-tipping device according to claim 1, characterized in that the swinging part comprises two swinging levers (31) arranged in parallel, the second drive part (40) being arranged between the two swinging levers (31).

3. Anti-tipping device according to claim 2, characterized in that it further comprises a first articulated seat (71), said first articulated seat (71) being provided on said swivel (22), the two oscillating levers (31) being articulated on said first articulated seat (71).

4. The anti-tipping device according to claim 3, characterized in that it further comprises a second articulated seat (72), the second articulated seat (72) being provided on the swivel part (22), the second drive part (40) being articulated on the second articulated seat (72).

5. The anti-tipping device according to claim 4, characterized in that it further comprises a connecting plate (73), the connecting plate (73) being provided on the swivel (22), the first articulated seat (71) and the second articulated seat (72) being provided on the connecting plate (73).

6. The anti-tipping device according to claim 1, characterized in that the fixed support comprises a fixed support (51), a support link (52) and a plurality of feet (53), one end of the support link (52) is hinged with the fixed support (51), the other end of the support link (52) is hinged with the swinging part, and the plurality of feet (53) are provided on the fixed support (51).

7. The anti-tip-over device according to claim 6, characterized in that the seat link (52), the oscillating portion and the second drive portion (40) are articulated by the same articulation axis.

8. The anti-rollover device according to any one of claims 1 to 7, further comprising a mounting base (10), the swivel portion (22) being disposed on the mounting base (10), the mounting base (10) being adapted to be disposed on the vehicle frame (60).

9. The anti-tip over device of any one of claims 1 to 7, wherein the fixed support portion is hinged to the other end of the swing portion.

10. A work machine, comprising: at least two anti-roll devices and a vehicle frame (60) as claimed in any one of claims 1 to 9, at least two of said anti-roll devices being respectively disposed on both sides of said vehicle frame (60).