Anti-collision excavator bucket rod

Abstract

The utility model discloses an anti-collision excavator bucket rod, which relates to the technical field of excavator bucket rods, and comprises a main body unit, a damping unit arranged at the side part of the main body unit, and an oil pressure unit and a protection unit which are arranged above the main body unit, and the protection unit is positioned on the outer side of the oil pressure unit; the damping unit comprises a front-end damping plate, a middle-end damping plate and a rear-end damping plate which are installed on the side wall of the main body unit, and the middle-end damping plate is located between the front-end damping plate and the rear-end damping plate. According to the anti-collision excavator bucket rod, through the arrangement of the damping unit and the protection unit, safety protection of the hydraulic oil cylinder can be achieved, and therefore the bucket rod is prevented from being damaged, and normal work of the device is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator bucket stick technical field, especially in kind of anti -impact excavator bucket stick. BACKGROUND

[0002] Bucket stick refers to a kind of working device of excavator, also called small arm, main function is used to control the excavation, loading and other actions of excavator, the arm connected with excavator is smaller, so it is commonly called small arm, and the term is called bucket stick, excavator bucket stick is generally symmetrical left and right, equal width, straight integral type closed box type welded component, the working environment of excavator is very bad, especially the excavator working in mine, the phenomenon of ore impacting the bottom of bucket stick often occurs in the process of loading and unloading ore.

[0003] The invention discloses an excavator bucket stick, the bucket stick is mainly a box type structure welded by a top plate, a bottom plate and two side plates, the distance between the outer sides of the two side plates is smaller than the width of the bottom plate, and the bottom surface of the front part of the bottom plate is welded with a plurality of rib plates, the rib plates are arranged at intervals in the length direction of the bucket stick, the length direction of the rib plates is perpendicular to the length direction of the bucket stick, and the two ends of the rib plates project to the outer sides of the projections of the two side plates on the bottom plate. In the invention, when the ore impacts the rib plates, the impact force is transmitted to the two side plates of the bucket stick through the two side edges of the bottom plate of the bucket stick in the length direction of the rib plates, thereby reducing the impact force on the bottom plate of the bucket stick, so that the bucket stick is effectively protected.

[0004] Although the impact force on the bottom plate of the bucket stick is reduced by transmitting the impact force to the two side plates of the bucket stick through the two side edges of the bottom plate of the bucket stick, thereby effectively protecting the bucket stick, the hydraulic cylinder of the excavator lacks a protection mechanism when the excavator is working, so that the work of the device will be affected when the hydraulic cylinder is bent or damaged at the shaft end of the telescopic rod of the hydraulic cylinder due to impact, and therefore, the utility model provides a kind of anti -impact excavator bucket stick. UTILITY MODEL CONTENTS

[0005] The utility model mainly aims at providing a kind of anti -impact excavator bucket stick, by setting up shock attenuation unit and protection unit, to solve the problem that the hydraulic cylinder of excavator lacks protection mechanism when the excavator is working, so that the work of the device will be affected when the hydraulic cylinder is bent or damaged at the shaft end of the telescopic rod of the hydraulic cylinder due to impact.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of anti -impact excavator bucket stick, including main unit, still including shock attenuation unit being arranged in the side portion of main unit, and oil pressure unit and protection unit being arranged above the main unit, and the protection unit is located at the outer side of oil pressure unit;

[0008] The shock-absorbing unit comprises a front shock-absorbing plate, a middle shock-absorbing plate and a rear shock-absorbing plate installed on the side wall of the main unit, and the middle shock-absorbing plate is located between the front shock-absorbing plate and the rear shock-absorbing plate.

[0009] The protection unit comprises a mounting groove opened on the top of the main unit, a protection shell mounted above the main unit, and a connecting piece arranged in the mounting groove.

[0010] Preferably, the main unit comprises a boom body, a mounting head mounted on one end of the boom body, and a mounting seat mounted on the other end of the boom body.

[0011] Preferably, the main unit further comprises a plurality of rib plates mounted on the bottom of the boom body, and the plurality of rib plates are arranged at equal intervals.

[0012] Preferably, the shock-absorbing unit further comprises a plurality of reinforcing rib plates mounted in the boom body.

[0013] Preferably, the oil pressure unit comprises a fixed seat mounted on the top of the boom body, a hydraulic oil cylinder movably mounted in the fixed seat, and a connecting head mounted on the telescopic end of the hydraulic oil cylinder.

[0014] Preferably, the connecting piece comprises a moving through hole opened on the side wall of the mounting groove, a moving rod movably penetrating and arranged in the moving through hole, a clamping seat mounted on one end of the moving rod located in the mounting groove, a stretching seat mounted on the other end of the moving rod, and a connecting spring sleeved on the side surface of the stretching seat and fixedly connected at one end with the clamping seat and at the other end with the side wall of the mounting groove.

[0015] Preferably, the connecting piece has a plurality of connecting pieces, and the plurality of connecting pieces are symmetrically arranged about the hydraulic oil cylinder.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses a shock absorbing unit and protection unit are set up, when the bucket rod is working, two second front end shock absorbing plates are used for protecting the front end of bucket rod body two sides, two middle end shock absorbing plates are used for protecting the middle end of bucket rod body two sides, two rear end shock absorbing plates are used for protecting the rear end of bucket rod body two sides, two front end shock absorbing plates, two middle end shock absorbing plates and two rear end shock absorbing plates are made of rubber, have excellent shock absorbing anticollision ability, and can be perpendicular with the direction of bucket rod body through the rib plate, and the impact force is transmitted to bucket rod two sides through the rib plate, effectively reduce the impact force in the middle part of bucket rod bottom plate, effectively absorb the impact energy of ore, reduce the damage to bucket rod, when loading and unloading ore, pull the stretch seat outward, make the moving rod drive stretch seat to move, and compress the connecting spring, then put the protection shell into the installation groove, then remove the force applied on stretch seat, can realize the clamping fixation of protection shell under the elasticity of connecting spring, when loading and unloading ore, the protection shell can realize the safety protection of hydraulic oil cylinder, thereby avoiding the damage of bucket rod, guaranteeing the normal work of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the front view structure schematic diagram of the utility model;

[0020] Figure 3 It is the utility model Figure 2 It is the section structure schematic diagram of A-A place in the utility model;

[0021] Figure 4 It is the utility model Figure 3 It is the structure amplification schematic diagram of I in the utility model;

[0022] Figure 5 It is the utility model Figure 3 It is the section structure schematic diagram of B-B place in the utility model.

[0023] In the drawing:

[0024] 1, main unit;101, bucket rod body;102, mounting head;103, mounting seat;104, rib plate;

[0025] 2, shock absorbing unit;201, front end shock absorbing plate;202, middle end shock absorbing plate;203, rear end shock absorbing plate;204, reinforcing rib plate;

[0026] 3, oil pressure unit;301, fixed seat;302, hydraulic oil cylinder;303, connecting head;

[0027] 4, protection unit;401, protection shell;402, connecting piece;4021, moving rod;4022, clamping seat;4023, connecting spring;4024, stretch seat. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0029] Embodiment 1

[0030] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , an anti-collision excavator stick includes a main unit 1, further includes a damping unit 2 arranged on the side of the main unit 1, and an oil pressure unit 3 and a protection unit 4 arranged above the main unit 1, and the protection unit 4 is located on the outer side of the oil pressure unit 3.

[0031] As shown in Figure 2 , the damping unit 2 includes a front end damping plate 201, a middle end damping plate 202 and a rear end damping plate 203 installed on the side wall of the main unit 1, and the middle end damping plate 202 is located between the front end damping plate 201 and the rear end damping plate 203, and the front end damping plate 201, the middle end damping plate 202 and the rear end damping plate 203 are all made of rubber, which can enhance the anti-collision ability.

[0032] As shown in Figure 3 , the protection unit 4 includes a mounting groove opened in the top of the main unit 1, a protection shell 401 mounted above the main unit 1, and a connecting piece 402 arranged inside the mounting groove, and the connecting piece 402 is arranged to firmly mount the protection shell 401 on the stick body 101.

[0033] As shown in Figure 1 , the main unit 1 includes a stick body 101, a mounting head 102 mounted on one end of the stick body 101, and a mounting seat 103 mounted on the other end of the stick body 101, and the mounting seat 103 is arranged to make the connection between the stick body 101 and the excavator arm more stable.

[0034] As shown in Figure 2 , the main unit 1 further includes a plurality of rib plates 104 mounted on the bottom of the stick body 101, and the plurality of rib plates 104 are arranged at equal intervals, and the rib plates 104 are arranged to transmit the impact force received to both sides of the stick.

[0035] As shown in Figure 5 , the damping unit 2 further includes a plurality of reinforcing rib plates 204 mounted inside the stick body 101, and the reinforcing rib plates 204 are arranged to strengthen the strength of the stick body 101.

[0036] As shown in Figure 5As shown in the figure, the oil pressure unit 3 includes a fixed seat 301 installed on the top of the arm body 101, a hydraulic cylinder 302 movably installed in the fixed seat 301, and a connecting head 303 installed on the telescopic end of the hydraulic cylinder 302. When the telescopic end of the hydraulic cylinder 302 is telescoped, the connecting head 303 can be driven to move synchronously.

[0037] As shown in the figure, Figure 3 The connecting piece 402 is symmetrical about the hydraulic cylinder 302, which makes the installation of the protective shell 401 more stable.

[0038] When the arm is working, the two second front end shock absorbing plates 201 are used to protect the front ends of the two sides of the arm body 101, the two middle end shock absorbing plates 202 are used to protect the middle ends of the two sides of the arm body 101, and the two rear end shock absorbing plates 203 are used to protect the rear ends of the two sides of the arm body 101. The two front end shock absorbing plates 201, the two middle end shock absorbing plates 202, and the two rear end shock absorbing plates 203 are made of rubber, have excellent shock absorbing and anti-collision capabilities, and are perpendicular to the direction of the rib plate 104 and the arm body 101. The impact force is transmitted to the two sides of the arm through the rib plate 104, effectively reducing the impact force on the middle part of the arm bottom plate, effectively absorbing the impact energy of the ore, and reducing the damage to the arm.

[0039] Embodiment 2

[0040] As shown in the figure, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A kind of anti-collision excavator arm, including main unit 1, further including shock absorbing unit 2 being arranged at the side of main unit 1, and oil pressure unit 3 and protection unit 4 being arranged above main unit 1, and protection unit 4 is located at the outer side of oil pressure unit 3;

[0041] As shown in the figure, Figure 2 The shock absorbing unit 2 includes front end shock absorbing plates 201, middle end shock absorbing plates 202 and rear end shock absorbing plates 203 installed on the side wall of the main unit 1, and the middle end shock absorbing plates 202 are located between the front end shock absorbing plates 201 and the rear end shock absorbing plates 203. The front end shock absorbing plates 201, the middle end shock absorbing plates 202 and the rear end shock absorbing plates 203 are all made of rubber, which can enhance the anti-collision capability.

[0042] As shown in the figure, Figure 3 The protection unit 4 includes a mounting groove opened in the top of the main unit 1, a protective shell 401 installed above the main unit 1, and a connecting piece 402 arranged in the mounting groove. The connecting piece 402 can firmly install the protective shell 401 on the arm body 101.

[0043] As shown in the figure, Figure 1As shown in the drawings, the main unit 1 includes a boom body 101, a mounting head 102 mounted on one end of the boom body 101, and a mounting seat 103 mounted on the other end of the boom body 101. The mounting seat 103 is arranged to make the connection between the boom body 101 and the excavator arm more stable.

[0044] As shown in the drawings, Figure 2 The main unit 1 further includes a plurality of rib plates 104 mounted on the bottom of the boom body 101, and the plurality of rib plates 104 are arranged at equal intervals. The rib plates 104 are arranged to transmit the impact force received to both sides of the boom.

[0045] As shown in the drawings, Figure 5 The damping unit 2 further includes a plurality of reinforcing rib plates 204 mounted inside the boom body 101. The reinforcing rib plates 204 increase the strength of the boom body 101.

[0046] As shown in the drawings, Figure 5 The oil pressure unit 3 includes a fixed seat 301 mounted on the top of the boom body 101, a hydraulic cylinder 302 movably mounted in the fixed seat 301, and a connecting head 303 mounted on the telescopic end of the hydraulic cylinder 302. When the telescopic end of the hydraulic cylinder 302 telescopes, it can drive the connecting head 303 to move synchronously.

[0047] As shown in the drawings, Figure 4 The connecting piece 402 includes a moving through hole formed in the side wall of the mounting groove, a moving rod 4021 movably penetrating and arranged inside the moving through hole, a clamping seat 4022 mounted on one end of the moving rod 4021 inside the mounting groove, a stretching seat 4024 mounted on the other end of the moving rod 4021, and a connecting spring 4023 sleeved around the stretching seat 4024 and fixedly connected at one end to the clamping seat 4022 and at the other end to the side wall of the mounting groove. The connecting spring 4023 is arranged to quickly rebound the clamping seat 4022.

[0048] As shown in the drawings, Figure 3 The connecting piece 402 has a plurality of connecting pieces 402, and the plurality of connecting pieces 402 are symmetrically arranged about the hydraulic cylinder 302, so that the mounting of the protective shell 401 is more stable.

[0049] When loading and unloading ore, the stretching seat 4024 is pulled outward, so that the moving rod 4021 drives the stretching seat 4024 to move and compresses the connecting spring 4023. Then the protective shell 401 is placed in the mounting groove, and then the force applied to the stretching seat 4024 is removed. Under the elastic force of the connecting spring 4023, the clamping and fixing of the protective shell 401 can be achieved. When loading and unloading ore, the protective shell 401 can achieve safety protection for the hydraulic cylinder 302, thereby avoiding damage to the boom and ensuring normal operation of the device.

[0050] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An anti-impact excavator arm, comprising a main body unit (1), characterized in that, The shock absorption unit (2) is arranged on the side of the main unit (1), and the oil pressure unit (3) and the protection unit (4) are arranged above the main unit (1), and the protection unit (4) is located outside the oil pressure unit (3); The shock absorption unit (2) comprises a front shock absorption plate (201), a middle shock absorption plate (202) and a rear shock absorption plate (203) arranged on the side wall of the main unit (1), and the middle shock absorption plate (202) is located between the front shock absorption plate (201) and the rear shock absorption plate (203); The protection unit (4) comprises a mounting groove arranged on the top of the main unit (1), a protection shell (401) arranged above the main unit (1), and a connecting piece (402) arranged in the mounting groove.

2. A crashworthy excavator arm as claimed in claim 1, characterised in that: The main unit (1) comprises a boom body (101), a mounting head (102) arranged at one end of the boom body (101), and a mounting seat (103) arranged at the other end of the boom body (101).

3. A crashworthy excavator arm as claimed in claim 2, characterised in that: The main unit (1) further comprises a plurality of rib plates (104) arranged on the bottom of the boom body (101), and the plurality of rib plates (104) are arranged at equal intervals.

4. A crashworthy excavator arm according to claim 3, characterised in that: The shock absorption unit (2) further comprises a plurality of reinforcing rib plates (204) arranged in the boom body (101).

5. A crashworthy excavator arm as claimed in claim 2, characterised in that: The oil pressure unit (3) comprises a fixing seat (301) arranged on the top of the boom body (101), a hydraulic oil cylinder (302) movably arranged in the fixing seat (301), and a connecting head (303) arranged at the telescopic end of the hydraulic oil cylinder (302).

6. A crashworthy excavator arm as claimed in claim 2, characterised in that: The connecting piece (402) comprises a moving through hole arranged on the side wall of the mounting groove, a moving rod (4021) movably arranged in the moving through hole, a clamping seat (4022) arranged at one end of the moving rod (4021) inside the mounting groove, a stretching seat (4024) arranged at the other end of the moving rod (4021), and a connecting spring (4023) sleeved on the side surface of the stretching seat (4024) and fixedly connected at one end with the clamping seat (4022) and at the other end with the side wall of the mounting groove.

7. A crashworthy excavator arm as claimed in claim 5, characterised in that: The connecting piece (402) comprises a plurality of connecting pieces, and the plurality of connecting pieces (402) are symmetrically arranged with respect to the hydraulic oil cylinder (302).

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