CN214169225U

CN214169225U - Frame for small crawler excavator

Info

Publication number: CN214169225U
Application number: CN202022573059.3U
Authority: CN
Inventors: 陶学飞
Original assignee: Jiangsu Fulangte Construction Machinery Co ltd
Current assignee: Jiangsu Fulangte Construction Machinery Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-09-10
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a frame for small-size crawler excavator relates to crawler excavator technical field, for solving frame for current crawler excavator and generally adopting the form of thread tightening to carry out frame butt joint about when the installation, lead to its screw part to drop because of vibrations result in easily to improve the problem of occurence of failure hidden danger. The crawler excavator comprises a crawler excavator body and is characterized in that a cab is arranged above the crawler excavator body, an upper frame is fixedly mounted at the lower end of the cab, an excavating arm is fixedly mounted at one end of the crawler excavator body, an excavating arm hydraulic mechanism is arranged on the outer wall of the excavating arm and fixedly connected with the excavating arm, three excavating arm hydraulic mechanisms are arranged at the lower end of the excavating arm, an excavating bucket is arranged at one end of the excavating arm, a lower frame is arranged at the lower end of the upper frame, crawler mechanisms are arranged on two sides of the lower end of the lower frame, and a guide wheel is fixedly mounted at one end of each crawler mechanism.

Description

Frame for small crawler excavator

Technical Field

The utility model relates to a crawler-type excavator technical field specifically is a frame for small-size crawler-type excavator.

Background

An excavator, also known as a digging machine, is an earthwork machine which uses a bucket to dig materials higher or lower than a bearing surface and loads the materials into a transport vehicle or unloads the materials to a stockyard, wherein the materials dug by the excavator mainly comprise soil, coal, silt, soil after pre-loosening and rock. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction.

However, when the frame for the existing crawler excavator is installed, the upper frame and the lower frame are in butt joint in a thread fixing mode, so that screw parts of the frame are easy to fall off due to vibration, and the problem of accident potential is solved; therefore, the existing requirements are not met, and the frame for the small crawler excavator is provided for the needs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frame for small-size crawler excavator to frame for the current crawler excavator that proposes in solving above-mentioned background art generally adopts the form of thread tightening to carry out frame butt joint about when the installation, leads to its screw part to drop because of vibrations result in easily, thereby improves the problem of occurence of failure hidden danger.

In order to achieve the above object, the utility model provides a following technical scheme: a frame for a small crawler excavator comprises a crawler excavator body, a cab is arranged above the crawler excavator body, an upper frame is fixedly arranged at the lower end of the cab, an excavating arm is fixedly arranged at one end of the crawler excavator body, an excavating arm hydraulic mechanism is arranged on the outer wall of the excavating arm, the excavating arm hydraulic mechanism is fixedly connected with the excavating arm, three excavating arm hydraulic mechanisms are arranged, an excavating bucket is arranged at one end of the excavating arm, a lower frame is arranged at the lower end of the upper frame, crawler mechanisms are arranged on two sides of the lower end of the lower frame, a guide wheel is fixedly arranged at one end of each crawler mechanism, a final transmission mechanism is fixedly arranged at the other end of each crawler mechanism, a connecting guard plate is arranged inside each crawler mechanism, a chain supporting wheel is arranged at the upper end of the connecting guard plate, and a plurality of chain supporting wheels are arranged, the lower extreme of connecting the backplate is provided with the thrust wheel, and the thrust wheel is provided with a plurality of, final drive mechanism's one end fixed mounting has straining device, the one end of connecting the backplate is provided with the guide wheel fixed orifices, be provided with the reinforcement between connection backplate and the lower carriage, the upper surface of frame is provided with the mounting groove down, mounting groove and lower carriage fixed connection, the inside of mounting groove is provided with the ring flange, ring flange and mounting groove fixed connection, be provided with flange joint through-hole on the outer wall of ring flange, and flange joint through-hole is provided with a plurality of, the inside of ring flange is provided with magnetism and inhales the piece, the inside of magnetism is inhaled the piece and is provided with automobile body hydraulic drive mechanism, the outer wall of frame is provided with the high manganese steel layer down, the outer wall on high manganese steel layer is provided with the plated metal rete.

Preferably, the inside of the flange plate is fixedly connected with the magnetic suction block.

Preferably, the outer wall of the high-manganese steel layer is fixedly connected with the electroplated metal film layer.

Preferably, the inside of the mounting groove is fixedly connected with the flange.

Preferably, the upper surface of the connecting guard plate is fixedly connected with the lower frame.

Preferably, the connecting guard plate and the lower frame are fixedly connected with the reinforcing member at the middle position.

Preferably, the lower end of the protection plate is fixedly connected with the thrust wheel.

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

1. the utility model discloses an inside and magnetism of ring flange inhale piece fixed connection, general crawler excavator all adopts frame and lower frame to carry out flange threaded connection, though it can reach fixed effect, nevertheless come to lead to the screw to drop because of the vibrations of excavator under the long-term the use, thereby increase holistic potential safety hazard, to this we add in the inside of ring flange and established magnetism and inhale the piece, magnetism inhales the piece and corresponds the magnetism of frame and inhales the piece, utilize two magnetism to inhale the piece and can make whole to inhale the power with magnetism and fix, the benefit of doing so is even the screw leads to droing because of vibrations, magnetism inhales the piece and still can consolidate its junction, and magnetism inhales the piece and does not receive vibrations to influence, thereby can reach and reduce unnecessary potential safety hazard.

2. Through the outer wall and the electroplated metal film layer fixed connection on high manganese steel layer, general frame all adopts ordinary steel, its intensity is general, and the corrosion resistance is poor, lead to the frame to rust easily, and then improve the problem of whole potential safety hazard, to this we rely on high manganese steel layer to strengthen holistic intensity, and rely on electroplating upper story electroplated metal film layer on its surface, the electroplated metal film layer can make high manganese steel layer possess good corrosion resistance, thereby can avoid the frame to rust at the excessive speed and lead to unnecessary potential safety hazard.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of a lower frame of the present invention;

FIG. 3 is a schematic view of a local structure of a high manganese steel layer of the present invention;

in the figure: 1. a crawler excavator body; 2. a cab; 3. an upper frame; 4. a lower frame; 5. a crawler mechanism; 6. an excavating arm; 7. an excavating arm hydraulic mechanism; 8. excavating a bucket; 9. a guide wheel; 10. connecting the guard plate; 11. a final drive mechanism; 12. a thrust wheel; 13. a chain supporting wheel; 14. a tensioning mechanism; 15. mounting grooves; 16. a flange plate; 17. the flange is connected with the through hole; 18. a hydraulic transmission mechanism of the vehicle body; 19. a magnetic block; 20. a guide wheel fixing port; 21. a reinforcement; 22. a high manganese steel layer; 23. and electroplating the metal film layer.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a frame for a small crawler excavator comprises a crawler excavator body 1, a cab 2 is arranged above the crawler excavator body 1, an upper frame 3 is fixedly arranged at the lower end of the cab 2, an excavating arm 6 is fixedly arranged at one end of the crawler excavator body 1, an excavating arm hydraulic mechanism 7 is arranged on the outer wall of the excavating arm 6, the excavating arm hydraulic mechanism 7 is fixedly connected with the excavating arm 6, three excavating arm hydraulic mechanisms 7 are arranged, an excavating bucket 8 is arranged at one end of the excavating arm 6, a lower frame 4 is arranged at the lower end of the upper frame 3, crawler mechanisms 5 are arranged on two sides of the lower end of the lower frame 4, a guide wheel 9 is fixedly arranged at one end of each crawler mechanism 5, a final transmission mechanism 11 is fixedly arranged at the other end of each crawler mechanism 5, a connecting guard plate 10 is arranged inside each crawler mechanism 5, and a chain supporting wheel 13 is arranged at the upper end of the connecting guard plate 10, and a plurality of supporting chain wheels 13 are arranged, the lower end of the connecting guard plate 10 is provided with a supporting wheel 12, and a plurality of supporting wheels 12 are arranged, one end of the final transmission mechanism 11 is fixedly provided with a tensioning mechanism 14, one end of the connecting guard plate 10 is provided with a guide wheel fixing opening 20, a reinforcing member 21 is arranged between the connecting guard plate 10 and the lower frame 4, the upper surface of the lower frame 4 is provided with a mounting groove 15, the mounting groove 15 is fixedly connected with the lower frame 4, a flange 16 is arranged inside the mounting groove 15, the flange 16 is fixedly connected with the mounting groove 15, the outer wall of the flange 16 is provided with a flange connecting through hole 17, and the flange connection through hole 17 is provided with a plurality of, and the inside of ring flange 16 is provided with magnetism and inhales piece 19, and the inside of magnetism and inhales piece 19 is provided with automobile body hydraulic drive mechanism 18, and the outer wall of lower carriage 4 is provided with high manganese steel layer 22, and the outer wall of high manganese steel layer 22 is provided with electroplated metal film layer 23.

Further, 19 fixed connection are inhaled to the inside and magnetism of ring flange 16, general crawler excavator all adopts frame 3 and frame 4 down to carry out flange threaded connection, though it can reach fixed effect, but use for a long time and come down because of the vibrations of excavator can lead to the screw to drop, thereby increase holistic potential safety hazard, to this we add in the inside of ring flange 16 and established magnetism and inhale piece 19, magnetism inhales piece 19 and corresponds frame 3's magnetism and inhales piece 19, utilize two magnetism to inhale piece 19 and can make whole magnetism to inhale the power and fix with magnetism, the benefit of doing so is even the screw leads to droing because of vibrations, magnetism inhales piece 19 and still can consolidate its junction, and magnetism inhales piece 19 and does not receive vibrations to influence, thereby can reach and reduce unnecessary potential safety hazard.

Further, the outer wall and the electroplated metal rete 23 fixed connection of high manganese steel layer 22, general frame all adopts ordinary steel, its intensity is general, and corrosion resistance is poor, lead to the frame to rust easily, and then improve the problem of whole potential safety hazard, to this we rely on high manganese steel layer 22 to strengthen holistic intensity, and rely on electroplating upper story electroplated metal rete 23 on its surface, electroplated metal rete 23 can make high manganese steel layer 22 possess good corrosion resistance, thereby can avoid the frame to rust excessively fast and lead to unnecessary potential safety hazard.

Further, the inside of the mounting groove 15 is fixedly connected with a flange 16, and the flange 16 is used for butting with the upper frame 3 at the upper part.

Further, the upper surface of the connecting guard plate 10 is fixedly connected with the lower frame 4, and the connecting guard plate 10 is used for connecting the two crawler mechanisms 5, so that a foundation can be laid for subsequent movement.

Further, the middle position of the connecting guard plate 10 and the lower frame 4 is fixedly connected with the reinforcing member 21, and the reinforcing member 21 is used for reinforcing the fixing position of the connecting guard plate 10 and the lower frame 4, so that the connecting guard plate is firmer and more stable.

Further, the lower extreme of connecting backplate 10 and thrust wheel 12 fixed connection, thrust wheel 12 be a plurality of, utilize a plurality of thrust wheel 12 can be with the even distribution of weight to can guarantee whole support process's stability.

The working principle is as follows: when the crawler-type excavator is used, the inside of the flange plate 16 is fixedly connected with the magnetic attraction block 19, the upper frame 3 and the lower frame 4 are in flange threaded connection in a general crawler-type excavator, although the fixing effect can be achieved, screws can fall off due to vibration of the excavator after long-term use, and therefore the overall potential safety hazard is increased, the magnetic attraction block 19 is additionally arranged inside the flange plate 16, the magnetic attraction block 19 corresponds to the magnetic attraction block 19 of the upper frame 3, the two magnetic attraction blocks 19 can enable the whole to be fixed through magnetic attraction, so that the magnetic attraction block 19 can still reinforce the connection part even if the screws fall off due to vibration, the magnetic attraction block 19 is not influenced by vibration, and therefore unnecessary potential safety hazards can be reduced, the outer wall of the high-manganese steel layer 22 is fixedly connected with the electroplated metal film layer 23, the general frame is made of common steel, the strength of the high manganese steel frame is general, the corrosion resistance is poor, the frame is easy to rust, and the whole potential safety hazard is further improved, the whole strength is enhanced by the high manganese steel layer 22, the surface of the high manganese steel frame is electroplated with the electroplated metal film layer 23, the electroplated metal film layer 23 can enable the high manganese steel layer 22 to have good corrosion resistance, so that unnecessary potential safety hazard caused by too fast rusting of the frame can be avoided, the inside of the installation groove 15 is fixedly connected with the flange 16, the flange 16 is used for butting with the upper frame 3 at the upper part, the upper surface of the connecting guard plate 10 is fixedly connected with the lower frame 4, the connecting guard plate 10 is used for connecting the two crawler mechanisms 5, so that a foundation can be laid for subsequent movement, the middle position of the connecting guard plate 10 and the lower frame 4 is fixedly connected with the reinforcing piece 21, the reinforcing piece 21 is used for reinforcing the fixing position of the connecting guard plate 10 and the lower frame 4, make its more firm stable, connect the lower extreme and the thrust wheel 12 fixed connection of backplate 10, thrust wheel 12 is a plurality of, utilizes a plurality of thrust wheel 12 can be with the even distribution of weight to can guarantee whole support process's stability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a frame for small-size crawler excavator, includes crawler excavator body (1), its characterized in that: a cab (2) is arranged above the crawler excavator body (1), an upper frame (3) is fixedly mounted at the lower end of the cab (2), an excavating arm (6) is fixedly mounted at one end of the crawler excavator body (1), an excavating arm hydraulic mechanism (7) is arranged on the outer wall of the excavating arm (6), the excavating arm hydraulic mechanism (7) is fixedly connected with the excavating arm (6), three excavating arm hydraulic mechanisms (7) are arranged, an excavating bucket (8) is arranged at one end of the excavating arm (6), a lower frame (4) is arranged at the lower end of the upper frame (3), crawler mechanisms (5) are arranged on two sides of the lower end of the lower frame (4), a guide wheel (9) is fixedly mounted at one end of each crawler mechanism (5), and a final transmission mechanism (11) is fixedly mounted at the other end of each crawler mechanism (5), the crawler belt mechanism is characterized in that a connecting guard plate (10) is arranged inside the crawler belt mechanism (5), a plurality of supporting wheels (13) are arranged at the upper end of the connecting guard plate (10), a plurality of supporting wheels (13) are arranged on the supporting wheels (13), a plurality of supporting wheels (12) are arranged at the lower end of the connecting guard plate (10), a tensioning mechanism (14) is fixedly arranged at one end of the final transmission mechanism (11), a guide wheel fixing port (20) is arranged at one end of the connecting guard plate (10), a reinforcing member (21) is arranged between the connecting guard plate (10) and the lower frame (4), an installation groove (15) is arranged on the upper surface of the lower frame (4), the installation groove (15) is fixedly connected with the lower frame (4), a flange plate (16) is arranged inside the installation groove (15), the flange plate (16) is fixedly connected with the installation groove (15), a flange connecting through hole (17) is arranged on the outer wall of the flange plate (16), and flange joint through-hole (17) are provided with a plurality of, the inside of ring flange (16) is provided with magnetism and inhales piece (19), the inside of magnetism and inhales piece (19) is provided with automobile body hydraulic drive mechanism (18), the outer wall of frame (4) is provided with high manganese steel layer (22) down, the outer wall of high manganese steel layer (22) is provided with electroplated metal rete (23).

2. The frame for the small-sized crawler excavator according to claim 1, wherein: the inside of the flange plate (16) is fixedly connected with the magnetic suction block (19).

3. The frame for the small-sized crawler excavator according to claim 1, wherein: the outer wall of the high-manganese steel layer (22) is fixedly connected with the electroplated metal film layer (23).

4. The frame for the small-sized crawler excavator according to claim 1, wherein: the interior of the mounting groove (15) is fixedly connected with the flange plate (16).

5. The frame for the small-sized crawler excavator according to claim 1, wherein: the upper surface of the connecting guard plate (10) is fixedly connected with the lower frame (4).

6. The frame for the small-sized crawler excavator according to claim 1, wherein: the middle positions of the connecting guard plate (10) and the lower frame (4) are fixedly connected with the reinforcing piece (21).

7. The frame for the small-sized crawler excavator according to claim 1, wherein: the lower end of the connecting guard plate (10) is fixedly connected with the thrust wheel (12).