CN217396691U

CN217396691U - Excavator track structure

Info

Publication number: CN217396691U
Application number: CN202221397504.8U
Authority: CN
Inventors: 杨元恭; 蒋孝军
Original assignee: Quanzhou Hengtong Machinery Parts Co ltd
Current assignee: Quanzhou Hengtong Machinery Parts Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-09
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses an excavator track structure, including the track body, the inside both sides of track body have all meshed the drive wheel, the inside of track body is provided with the support frame, the cavity has all been seted up to the both sides of support frame, the inside of cavity is provided with the transfer line, and the surface of transfer line and the inner wall fixed connection of drive wheel, the surface cover of transfer line is equipped with the movable block, and movable block and transfer line sliding connection. The utility model discloses a setting of track body, drive wheel, support frame, cavity, transfer line, movable block, installation piece, first hydraulic telescoping rod, second hydraulic telescoping rod, loading board, boss and stiffener has solved the unable working form that changes of current excavator track, probably can appear unable when touchhing the barrier and cross to lead to the problem that work efficiency descends, possessed and to change track working form, promoted the advantage that the excavator track can work at different topography.

Description

Excavator track structure

Technical Field

The utility model relates to an excavator track technical field specifically is an excavator track structure.

Background

The materials excavated by the excavator mainly comprise soil, coal, silt and soil and rock after pre-loosening, and the development of the engineering machinery in recent years is relatively fast, the excavator becomes one of the most important engineering machinery in engineering construction, and the excavator has three most important parameters: operating weight, engine power and bucket capacity.

When a worker drives an excavator to perform excavating work, the existing excavator mostly adopts the transmission belt type crawler to move, but the existing excavator often performs construction work in a construction site, because obstacles such as a soil slope often appear in the construction site, the transmission belt type crawler cannot be overturned at times, and then needs to be assisted by a carrier to overturn, so that the working efficiency of the excavator is reduced, and the delivery time of a construction period is seriously influenced.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide an excavator track structure has possessed and has changed track working form, has promoted the excavator track and can have solved the unable working form that changes of current excavator track at the advantage of different topography work, can appear unable when touchhing the barrier and cross to lead to the problem that work efficiency descends.

In order to achieve the above object, the utility model provides a following technical scheme: a track structure of an excavator comprises a track body, wherein driving wheels are meshed on two sides of the interior of the track body, a support frame is arranged in the track body, cavities are formed in two sides of the support frame, a transmission rod is arranged in each cavity, the surface of each transmission rod is fixedly connected with the inner wall of each driving wheel, a movable block is sleeved on the surface of each transmission rod and is in sliding connection with the corresponding transmission rod, an installation block is fixedly connected to one side, away from the transmission rod, of each movable block, a first hydraulic telescopic rod is transversely and fixedly connected to one side, away from the corresponding movable block, of each cavity, the output end of each first hydraulic telescopic rod is fixedly connected with the corresponding installation block, a second hydraulic telescopic rod is vertically and fixedly connected to the top of the inner wall of each cavity, is located on the front face of the corresponding first hydraulic telescopic rod, and the output end of each second hydraulic telescopic rod extends to the bottom of the corresponding support frame and is fixedly connected with a bearing plate, the bottom fixedly connected with boss of loading board, the inside of boss rotates through first pivot and is connected with the stiffener, and the stiffener meshes with the inner wall of track body.

As the utility model discloses it is preferred, the center department of support frame has seted up the connection chamber, the inner wall fixedly connected with synchronous ware in connection chamber, and synchronous ware and first hydraulic telescoping rod and second hydraulic telescoping rod electric connection, the front and the back of support frame all are provided with the dust guard.

As the utility model discloses it is preferred, one side that first hydraulic telescoping rod is close to the movable block is provided with the baffle, and baffle and cavity fixed connection, one side fixedly connected with spring post that first hydraulic telescoping rod was kept away from to the baffle, and the other end and the movable block fixed connection of spring post.

As the utility model discloses it is preferred, the top of movable block and the spacing of the equal fixedly connected with in bottom, the spacing groove has all been seted up to the top and the bottom of cavity, and spacing groove and spacing sliding connection.

As the utility model discloses it is preferred, the top of support frame is provided with the balancing piece, the top of balancing piece is rotated through the second pivot and is connected with the stabilizer wheel, and the inner wall meshing of stabilizer wheel and track body.

As the utility model discloses it is preferred, the quantity of boss and stiffener is four groups at least, and four groups of bosses and stiffener are the symmetry setting, the quantity of balancing piece and stabilizer is two sets of at least, and two sets of balancing pieces and stabilizer are the symmetry setting.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model solves the problem that the prior excavator track can not change the working form and can not be overturned when meeting obstacles, thereby causing the reduction of the working efficiency, when a worker drives the excavator to excavate, if the worker meets the obstacles that the transmission belt type track can not be overturned easily, the first hydraulic telescopic rod in the cavity is started to lead the output end of the first hydraulic telescopic rod to be recycled inwards, the movable block is driven to move inwards, the driving wheel and the transmission rod are driven to move inwards, the second hydraulic telescopic rod is started to lead the output end of the second hydraulic telescopic rod to move downwards to press the bearing plate to move downwards, the reinforcing block and the reinforcing wheel to move downwards, on one hand, the tension of the track is kept, on the other hand, the track form of the excavator is changed into an inverted ladder form, the crawler belt has the advantages that the working form of the crawler belt can be changed, and the crawler belt of the excavator can work on different terrains.

2. The utility model discloses a setting of connecting chamber and synchronous ware makes first hydraulic telescoping rod and second hydraulic telescoping rod go on in step, thereby prevents that the tension of track from becoming loose the problem that breaks away from appearing, through the setting of dust guard, prevents that the dust in the operational environment from getting into in this facility.

3. The utility model discloses a setting of baffle and spring post provides the strong point of spring post, has played the cushioning effect when first hydraulic telescoping rod is flexible, has prolonged the life of this facility.

4. The utility model discloses a setting of spacing and spacing groove has played the movement track who has restricted the movable block, prevents that the movable block from taking place the skew.

5. The utility model discloses a setting of balancing piece and stabilizer prevents that collapse from appearing in the top of track body, strengthens simultaneously playing the effect that has supported the track body.

6. The utility model discloses a setting of four at least groups's bosses and stiffener and at least two sets of balancing pieces and stabilizer plays the tension that increases the track body, appears tension when preventing that the track body motion and takes place to cave in inadequately and lead to its cracked problem.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the front section schematic diagram of the utility model used by matching the first hydraulic telescopic rod and the second hydraulic telescopic rod.

In the figure: 1. a track body; 2. a driving wheel; 3. a support frame; 4. a cavity; 5. a transmission rod; 6. a moving block; 7. mounting a block; 8. a first hydraulic telescopic rod; 9. a second hydraulic telescopic rod; 10. carrying a plate; 11. A reinforcing block; 12. a reinforcing wheel; 13. a connecting cavity; 14. a synchronizer; 15. a dust-proof plate; 16. a baffle plate; 17. a spring post; 18. a limiting strip; 19. a limiting groove; 20. a counterbalance; 21. a balance wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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.

As shown in figures 1 to 2, the utility model provides an excavator track structure, which comprises a track body 1, wherein both sides of the inside of the track body 1 are respectively engaged with a driving wheel 2, a support frame 3 is arranged inside the track body 1, both sides of the support frame 3 are respectively provided with a cavity 4, the inside of the cavity 4 is provided with a transmission rod 5, the surface of the transmission rod 5 is fixedly connected with the inner wall of the driving wheel 2, the surface of the transmission rod 5 is sleeved with a movable block 6, the movable block 6 is slidably connected with the transmission rod 5, one side of the movable block 6 far away from the transmission rod 5 is fixedly connected with an installation block 7, one side of the cavity 4 far away from the movable block 6 is transversely and fixedly connected with a first hydraulic telescopic rod 8, the output end of the first hydraulic telescopic rod 8 is fixedly connected with the installation block 7, the top of the inner wall of the cavity 4 is vertically and fixedly connected with a second hydraulic telescopic rod 9, and the second hydraulic telescopic rod 9 is positioned on the front side of the first hydraulic telescopic rod 8, the output of second hydraulic stretching pole 9 extends to the bottom fixedly connected with loading board 10 of support frame 3, the bottom fixedly connected with boss 11 of loading board 10, and the inside of boss 11 is rotated through first pivot and is connected with reinforcing wheel 12, and the inner wall meshing of reinforcing wheel 12 and track body 1.

Referring to fig. 2, a connection cavity 13 is formed in the center of the support frame 3, a synchronizer 14 is fixedly connected to the inner wall of the connection cavity 13, the synchronizer 14 is electrically connected to the first hydraulic telescopic rod 8 and the second hydraulic telescopic rod 9, and dust-proof plates 15 are arranged on the front side and the back side of the support frame 3.

As a technical optimization scheme of the utility model, through the setting of connecting chamber 13 and synchronous ware 14, make first hydraulic telescoping rod 8 and second hydraulic telescoping rod 9 go on in step, thereby prevent that the tension of track from becoming loose the problem that breaks away from appears, through the setting of dust guard 15, prevent that dust in the operational environment from getting into in this facility.

Referring to fig. 1 and 2, a baffle 16 is arranged on one side of the first hydraulic telescopic rod 8 close to the moving block 6, the baffle 16 is fixedly connected with the cavity 4, one side of the baffle 16 far away from the first hydraulic telescopic rod 8 is fixedly connected with a spring column 17, and the other end of the spring column 17 is fixedly connected with the moving block 6.

As the utility model discloses a technical optimization scheme, through baffle 16 and the setting of spring post 17, provides the strong point of spring post 17, has played the cushioning effect when first hydraulic telescoping rod 8 is flexible, has prolonged the life of this facility.

Referring to fig. 1 and 2, the top and the bottom of the moving block 6 are both fixedly connected with a limit strip 18, the top and the bottom of the cavity 4 are both provided with a limit groove 19, and the limit groove 19 is slidably connected with the limit strip 18.

As a technical optimization scheme of the utility model, through the setting of spacing 18 and spacing groove 19, played the movement track who has restricted movable block 6, prevent that movable block 6 from taking place the skew.

Referring to fig. 1 and 2, a balance weight 20 is provided on the top of the support frame 3, a balance wheel 21 is rotatably connected to the top of the balance weight 20 via a second rotating shaft, and the balance wheel 21 is engaged with the inner wall of the track body 1.

As a technical optimization scheme of the utility model, through the setting of balancing piece 20 and stabilizer 21, prevent that the top of track body 1 from appearing collapsing, strengthen simultaneously and played the effect that has supported track body 1.

Referring to fig. 1 and 2, the number of the reinforcing blocks 11 and the reinforcing wheels 12 is at least four, the four groups of reinforcing blocks 11 and the four groups of reinforcing wheels 12 are symmetrically arranged, the number of the balance weights 20 and the balance wheels 21 is at least two, and the two groups of balance weights 20 and the balance wheels 21 are symmetrically arranged.

As a technical optimization scheme of the utility model, through the setting of four at least groups of bosses 11 and stiffener 12 and two at least sets of balancing pieces 20 and stabilizer 21, play the tension that increases track body 1, thereby it takes place sunken problem that leads to its fracture inadequately to appear tension when preventing track body 1 motion.

The utility model discloses a theory of operation and use flow: when a worker drives an excavator to excavate, if an obstacle that a transmission belt type crawler belt is not easy to climb over is encountered, a synchronizer 14 in a connecting cavity 13 is started, so that a first hydraulic telescopic rod 8 and a second hydraulic telescopic rod 9 in a cavity 4 are driven to synchronously start, at the moment, the output end of the first hydraulic telescopic rod 8 is inwards recycled by the first hydraulic telescopic rod 8 to drive a moving block 6 to inwards move, a spring column 17 is compressed to play a role in buffering the expansion of the first hydraulic telescopic rod 8, a limiting strip 18 on the moving block 6 is driven to slide in a limiting groove 19 on the cavity 4 to play a role in limiting the motion track of the moving block 6, a driving wheel 2 and a transmission rod 5 are driven to inwards move, meanwhile, the output end of the second hydraulic telescopic rod 9 is downwards pressed to drive a bearing plate 10 to downwards move, so that at least four groups of reinforcing blocks 11 and reinforcing wheels 12 are driven to downwards move, and the tension of the crawler belt is kept, on the other hand, the track form of the excavator is changed to be in a reverse ladder form, so that the excavator can climb over the obstacle more conveniently, then the track body 1 is prevented from collapsing due to the arrangement of at least two groups of balance blocks 20 and balance wheels 21, meanwhile, the effect of supporting the track body 1 is strengthened, and the synchronizer 14 is started after the excavator climbs over the obstacle, and the operation is performed otherwise.

In summary, the following steps: this excavator track structure uses through the cooperation of track body 1, drive wheel 2, support frame 3, cavity 4, transfer line 5, movable block 6, installation piece 7, first hydraulic telescoping rod 8, second hydraulic telescoping rod 9, loading board 10, boss 11 and stiffener 12, has solved current excavator track and can't change the working form, can't appear turning over when touchhing the barrier to lead to the problem that work efficiency descends.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an excavator track structure, includes track body (1), its characterized in that: the crawler belt comprises a crawler belt body (1), wherein driving wheels (2) are meshed with two sides of the inner part of the crawler belt body (1), a support frame (3) is arranged in the crawler belt body (1), cavities (4) are formed in two sides of the support frame (3), a transmission rod (5) is arranged in each cavity (4), the surface of each transmission rod (5) is fixedly connected with the inner wall of each driving wheel (2), a movable block (6) is sleeved on the surface of each transmission rod (5), the movable blocks (6) are slidably connected with the transmission rods (5), one side, far away from the transmission rods (5), of each movable block (6) is fixedly connected with an installation block (7), one side, far away from the movable blocks (6), of each cavity (4) is transversely and fixedly connected with a first hydraulic telescopic rod (8), the output end of each first hydraulic telescopic rod (8) is fixedly connected with the installation block (7), and the top of the inner wall of each cavity (4) is vertically and fixedly connected with a second hydraulic telescopic rod (9), and second hydraulic telescoping rod (9) are located the front of first hydraulic telescoping rod (8), the output of second hydraulic telescoping rod (9) extends to bottom fixedly connected with loading board (10) of support frame (3), the bottom fixedly connected with boss (11) of loading board (10), the inside of boss (11) is rotated through first pivot and is connected with reinforcing wheel (12), and the inner wall meshing of reinforcing wheel (12) and track body (1).

2. The excavator track structure of claim 1, wherein: the center department of support frame (3) has seted up and has connected chamber (13), the inner wall fixedly connected with synchronous ware (14) of connecting chamber (13), and synchronous ware (14) and first hydraulic telescoping rod (8) and second hydraulic telescoping rod (9) electric connection, the front and the back of support frame (3) all are provided with dust guard (15).

3. The excavator track structure of claim 1, wherein: one side, close to the moving block (6), of the first hydraulic telescopic rod (8) is provided with a baffle (16), the baffle (16) is fixedly connected with the cavity (4), one side, far away from the first hydraulic telescopic rod (8), of the baffle (16) is fixedly connected with a spring column (17), and the other end of the spring column (17) is fixedly connected with the moving block (6).

4. An excavator track structure as claimed in claim 1, wherein: the top and the bottom of the moving block (6) are both fixedly connected with a limiting strip (18), the top and the bottom of the cavity (4) are both provided with a limiting groove (19), and the limiting groove (19) is in sliding connection with the limiting strip (18).

5. The excavator track structure of claim 1, wherein: the top of support frame (3) is provided with balancing piece (20), the top of balancing piece (20) is connected with stabilizer (21) through the rotation of second pivot, and stabilizer (21) and the inner wall meshing of track body (1).

6. The excavator track structure of claim 5, wherein: the number of reinforcing blocks (11) and reinforcing wheels (12) is four groups at least, and four groups of reinforcing blocks (11) and reinforcing wheels (12) are the symmetry setting, the number of balancing piece (20) and balancing wheel (21) is two groups at least, and two groups of balancing piece (20) and balancing wheel (21) are the symmetry setting.