Excavator front rail support with high bending resistance

Abstract

The utility model discloses an excavator front rail support with high bending resistance. The excavator front rail support comprises a connecting frame and a guide wheel, guide wheels are arranged on the two sides of the connecting frame, a connecting structure is arranged at the rear end of the connecting frame, a fixing block is arranged at the front end of the connecting structure, and a front blocking rail support is installed at the front end of the fixing block. A protection structure is arranged at the front end of the front blocking rail support. The C-shaped elastic plate, the fixed sliding rod and the sliding block are used in cooperation, when the front blocking rail support at the front end of the excavator is impacted, the C-shaped elastic plate is used, the impact force generated by impact can be preliminarily buffered through bending, and when the C-shaped elastic plate is bent, the sliding block can be pushed to slide on the outer side of the fixed sliding rod, so that the front blocking rail support at the front end of the excavator is prevented from being damaged. And the spring is pushed to contract, so that secondary buffering is carried out on the impact force, the impact force borne by the front blocking rail support is buffered, the situation that the front blocking rail support is bent when being impacted is prevented, and therefore the bending resisting work is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator technical field, especially relates to a front rail support of excavator of strong anti -bending performance. BACKGROUND

[0002] The front rail support of excavator is a part of track excavator, and the track excavator is modified on the basis of the ordinary excavator, and specific equipment is added to adapt to the demand of driving and operating on the track. The front rail support is an important part of the track excavator, and the main function is to protect the front end of the excavator, and make the excavator more stable when moving on the guide rail. However, the traditional front rail support of excavator still has some problems when in use.

[0003] When in use, the traditional front rail support of excavator needs to protect the front end of the excavator, so when the impact is encountered, the front rail support is the first to bear the brunt, which leads to the front rail support being easily bent under the impact of the object, affecting the subsequent protection effect, so a front rail support of excavator with strong anti-bending performance is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a front rail support of excavator with strong anti-bending performance to solve the defect that the existing front rail support is easily bent when impacted.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a front rail support of excavator with strong anti-bending performance, including connecting frame and guide wheel, the both sides of the connecting frame are provided with guide wheels, the rear end of the connecting frame is provided with a connecting structure, the front end of the connecting structure is provided with a fixed block, the front end of the fixed block is provided with a front rail support, the front end of the front rail support is provided with a protection structure, the protection structure includes mounting groove, C-shaped elastic plate, fixed sliding rod, supporting block, sliding block and spring, the mounting groove is arranged in the inside of the front end of the front rail support, the inside of the mounting groove is provided with a fixed sliding rod, the outside of the fixed sliding rod is provided with a sliding block, one side of the sliding block is fixedly provided with a spring, the front end of the sliding block is provided with a C-shaped elastic plate, and the connecting place of the fixed block and the front rail support is provided with a supporting block.

[0006] Preferably, the supporting block is sleeved on the outside of the fixed sliding rod, and the supporting block and the fixed sliding rod are connected through sliding.

[0007] Preferably, one side of the spring is defined with one side in the inside of the front rail support, and the spring and the sliding block are connected through telescopic structure.

[0008] Preferably, the sliding block is provided with two groups, and the two groups of sliding blocks are symmetrically distributed outside the fixed slide rod.

[0009] Preferably, the two ends of the support block are fixed with one side of the fixed block and the rear end of the front blocking track support respectively, and the fixed block and the front blocking track support are integrally welded.

[0010] Preferably, the connecting structure comprises an excavator connecting block, a fixing frame, a nut and a fixing rod, the fixing frame is arranged at the rear end of the connecting frame, the excavator connecting block is arranged in the fixing frame, the fixing rod penetrates through the excavator connecting block and the fixing frame, and the nut is arranged outside the fixing rod.

[0011] Preferably, the outer side of the fixing rod is provided with external threads, the inner side of the nut is provided with internal threads, and the fixing rod and the nut are threadedly connected.

[0012] The excavator front blocking track support has the advantages that:

[0013] When the excavator front blocking track support is impacted, the C-shaped elastic plate is used to preliminarily buffer the impact force generated by the impact, and when the C-shaped elastic plate is bent, the sliding block is pushed to slide outside the fixed slide rod and the spring is pushed to contract, so that the impact force is secondarily buffered, the impact force on the front blocking track support is buffered, and the bending of the front blocking track support is prevented, so that the bending resistance work is completed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a top view structural schematic diagram of the utility model;

[0015] Figure 2 It is a bottom view structural schematic diagram of the utility model;

[0016] Figure 3 It is a rear view structural schematic diagram of the utility model;

[0017] Figure 4 It is a front view structural schematic diagram of the utility model;

[0018] Figure 5 It is a Figure 4 It is a local enlarged structural schematic diagram of A in the utility model.

[0019] In the figure: 1, connecting frame; 2, connecting structure; 201, excavator connecting block; 202, fixed frame; 203, nut; 204, fixed rod; 3, guide wheel; 4, front stop rail support; 5, protection structure; 501, mounting groove; 502, C-shaped elastic plate; 503, fixed sliding rod; 504, supporting block; 505, sliding block; 506, spring; 6, fixed block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] The utility model embodiment provides a kind of front stop rail support of excavator with strong bending resistance, as shown in Figures 1-5 It includes connecting frame 1 and guide wheel 3;Connecting frame 1 is provided with guide wheel 3 on both sides, the rear end of connecting frame 1 is provided with connecting structure 2, the front end of connecting structure 2 is provided with fixed block 6, and front stop rail support 4 is installed in the front end of fixed block 6;The front end of front stop rail support 4 is provided with protection structure 5.

[0022] The utility model further preferable embodiment in, as shown in Figures 1-5 Connecting structure 2 includes excavator connecting block 201, fixed frame 202, nut 203 and fixed rod 204, fixed frame 202 is arranged at the rear end of connecting frame 1, excavator connecting block 201 is arranged in the inside of fixed frame 202, fixed rod 204 is penetrated in the inside of excavator connecting block 201 and fixed frame 202, nut 203 is arranged on the outside of fixed rod 204, the outside of fixed rod 204 is provided with external thread, the inside of nut 203 is provided with internal thread, and screw connection is formed between fixed rod 204 and nut 203.

[0023] Specifically, in the embodiment: when using connecting frame 1, fixed frame 202 is sleeved on the outside of one end of excavator connecting block 201, after sleeving is completed, one end of fixed rod 204 is penetrated in the inside of fixed frame 202 and excavator connecting block 201, after inserting fixed rod 204, nut 203 is again sleeved on the outside of one end of fixed rod 204, so that connecting frame 1 is installed in one end of excavator connecting block 201, so that it is more convenient when installing. The utility model further preferable embodiment in, as shown in Figures 1-5As shown: the protection structure 5 includes installation groove 501, C-shaped spring plate 502, fixed slide rod 503, support block 504, sliding block 505 and spring 506;The installation groove 501 is opened in the inside of the front end of the front fender rail bracket 4, the inside of the installation groove 501 is provided with the fixed slide rod 503, the outer side of the fixed slide rod 503 is provided with the sliding block 505, one side of the sliding block 505 is fixed with the spring 506, the front end of the sliding block 505 is provided with the C-shaped spring plate 502, the connecting place of the fixed block 6 and the front fender rail bracket 4 is provided with the support block 504, the support block 504 is sleeved on the outer side of the fixed slide rod 503, and the support block 504 and the fixed slide rod 503 are connected in sliding mode, one side of the spring 506 is defined with one side in the inside of the front fender rail bracket 4, and the spring 506 and the sliding block 505 are connected in telescopic structure, the sliding block 505 is provided with two groups, the two groups of sliding blocks 505 are symmetrically distributed on the outer side of the fixed slide rod 503, the two ends of the support block 504 are fixed with one side of the fixed block 6 and the rear end of the front fender rail bracket 4 respectively, and the fixed block 6 and the front fender rail bracket 4 are connected in welded integration.

[0024] Specifically, in the embodiment, after the installation of the connecting frame 1 is completed, the use of the guide wheel 3 can guide the excavator when moving on the track, so that the excavator moves more stably on the track, when the front end of the excavator is impacted, the C-shaped spring plate 502 is first impacted, when the C-shaped spring plate 502 is impacted, the C-shaped spring plate 502 is bent, the C-shaped spring plate 502 can preliminarily buffer the impact force when being bent, and the C-shaped spring plate 502 can drive the sliding block 505 to slide on the outer side of the fixed slide rod 503 when preliminarily buffering, the sliding block 505 can push the spring 506 to contract when sliding, so as to secondarily buffer, so as to buffer the impact force received by the front fender rail bracket 4, so that the front fender rail bracket 4 is not easy to bend when being impacted, and finally the bending resistance work is completed.

[0025] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model 。

Claims

1. A front rail guard track support with strong bending resistance for excavator, comprising a connecting frame (1) and a guide wheel (3); Characterized in that: The connecting frame (1) is provided with guide wheels (3) on both sides, the rear end of the connecting frame (1) is provided with a connecting structure (2), the front end of the connecting structure (2) is provided with a fixed block (6), and the front end of the fixed block (6) is installed with a front rail guard track support (4); The front end of the front rail guard track support (4) is provided with a protection structure (5), and the protection structure (5) comprises an installation slot (501), a C-shaped elastic plate (502), a fixed sliding rod (503), a supporting block (504), a sliding block (505) and a spring (506); The installation slot (501) is formed in the inside of the front end of the front rail guard track support (4), the fixed sliding rod (503) is installed in the inside of the installation slot (501), the outside of the fixed sliding rod (503) is provided with the sliding block (505), one side of the sliding block (505) is fixed with the spring (506), the front end of the sliding block (505) is installed with the C-shaped elastic plate (502), and the connecting portion of the fixed block (6) and the front rail guard track support (4) is provided with the supporting block (504).

2. The front rail support of claim 1, wherein: The supporting block (504) is sleeved on the outside of the fixed sliding rod (503), and the supporting block (504) and the fixed sliding rod (503) are in sliding connection.

3. The front rail support of claim 1, wherein: One side of the spring (506) is defined with one side in the inside of the front rail guard track support (4), and the spring (506) and the sliding block (505) are in telescopic structure.

4. The front rail support of claim 1, wherein: The sliding block (505) is provided with two groups, and the two groups of sliding blocks (505) are symmetrically distributed on the outside of the fixed sliding rod (503).

5. The front rail support of claim 4, wherein: The two ends of the supporting block (504) are fixed with one side of the fixed block (6) and the rear end of the front rail guard track support (4), respectively, and the fixed block (6) and the front rail guard track support (4) are in welded integration.

6. The front rail support of claim 1, wherein: The connecting structure (2) comprises an excavator connecting block (201), a fixed frame (202), a nut (203) and a fixed rod (204), the fixed frame (202) is arranged at the rear end of the connecting frame (1), the inside of the fixed frame (202) is provided with the excavator connecting block (201), the fixed rod (204) penetrates through the inside of the excavator connecting block (201) and the fixed frame (202), and the outside of the fixed rod (204) is provided with the nut (203).

7. The front rail support of claim 6, wherein: The outside of the fixed rod (204) is provided with external threads, the inside of the nut (203) is provided with internal threads, and the fixed rod (204) and the nut (203) are in threaded connection.

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