Forearm support of bucket wheel machine

Abstract

A front arm support of a bucket wheel machine effectively solves the problems that transportation is inconvenient and field installation difficulty is high and comprises a workbench, two vertical plates are arranged on the workbench, a rhombic support is fixed between the two vertical plates, the right end of the rhombic support is hinged to the workbench, a supporting arm is installed at the left end of the rhombic support, and a bucket wheel transmission mechanism is installed at the front end of the supporting arm. A plurality of first pull rods are installed between the front end of the supporting arm and the top end of the vertical plate, a first supporting rod and a second supporting rod are fixed to the left end of the rhombic support, the other end of the first supporting rod is installed at the top end of the vertical plate, and the other end of the second supporting rod is installed in the middle of the vertical plate. The telescopic end of the hydraulic cylinder is fixedly connected with the top end of the rhombic support.

Description

Technical Field

[0001] The utility model belongs to the technical field of bucket wheel machines, in particular to a front arm frame of a bucket wheel machine. Background Art

[0002] Bucket wheel excavator, also known as bucket wheel stacker and reclaimer, is a kind of high-efficiency loading and unloading machinery used for large dry bulk cargo yards that can stack and reclaim materials continuously. It consists of a belt conveyor arm that can pitch and swing horizontally, a bucket wheel at the front end, a frame, and a running mechanism. The belt can run in both directions. When reclaiming materials, the bucket wheel takes the materials and sends them out through the conveyor arm. When stacking materials, the goods transported by the main conveyor are thrown into the yard through the conveyor arm. The existing bucket wheel excavator front arm frame and vertical plate are all integrated structures, which leads to the overall heavy weight, inconvenient transportation, and increased construction difficulty of on-site installation. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a front arm frame of a bucket wheel machine, which effectively solves the problems of inconvenient transportation and high difficulty in on-site installation.

[0004] The technical solution to solve the technical problem is: it includes a workbench, two vertical plates are arranged on the workbench, a diamond-shaped bracket is fixed between the two vertical plates, the right end of the diamond-shaped bracket is hinged to the workbench, a support arm is installed on the left end of the diamond-shaped bracket, a bucket wheel transmission mechanism is installed on the front end of the support arm, a plurality of first pull rods are installed between the front end of the support arm and the top of the vertical plate, a first support rod and a second support rod are fixed to the left end of the diamond-shaped bracket, the other end of the first support rod is installed on the top of the vertical plate, and the other end of the second support rod is installed in the middle of the vertical plate, a hydraulic cylinder is installed on the workbench, and the telescopic end of the hydraulic cylinder is fixedly connected to the top of the diamond-shaped bracket.

[0005] Preferably, a connecting piece is provided between the two adjacent first pull rods, and the connecting rod is fixedly connected to the first pull rod via a pin.

[0006] Preferably, a rear arm beam is hinged at the right end of the vertical plate, a counterweight is installed at the rightmost end of the rear arm beam, a second pull rod is installed between the top end of the vertical plate and the rear arm beam, and the second pull rod is located on the left side of the counterweight.

[0007] Compared with traditional equipment, the utility model has the following advantages: ingenious structure, adopting a diamond bracket structure, the support arm, the first pull rod, the first support rod, the second support rod, the rear arm beam and the second pull rod can be disassembled and assembled on site, occupying a small space and convenient transportation, and can be installed on site through commonly used bolts or pins, with low installation difficulty, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the front view of the utility model;

[0009] Figure 2 yes Figure 1 A partially enlarged schematic diagram;

[0010] Figure 3 yes Figure 2 Schematic diagram of the AA section view;

[0011] Figure 4 yes Figure 2 Schematic diagram of the BB cross-section view.

[0012] Figure numerals: 1. workbench; 2. vertical plate; 3. diamond bracket; 4. support arm; 5. bucket wheel transmission mechanism; 6. first pull rod; 7. first support rod; 8. second support rod; 9. hydraulic cylinder; 10. connecting part; 11. rear arm beam; 12. counterweight block. DETAILED DESCRIPTION

[0013] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0014] Depend on Figures 1 to 4 A front arm frame of a bucket wheel machine is provided, comprising a workbench 1, two vertical plates 2 are arranged on the workbench 1, a diamond bracket 3 is fixed between the two vertical plates 2, the right end of the diamond bracket 3 is hinged to the workbench 1, a support arm 4 is installed on the left end of the diamond bracket 3, a bucket wheel transmission mechanism 5 is installed on the front end of the support arm 4, a plurality of first pull rods 6 are installed between the front end of the support arm 4 and the top of the vertical plate 2, a first support rod 7 and a second support rod 8 are fixed to the left end of the diamond bracket 3, the other end of the first support rod 7 is installed on the top of the vertical plate 2, and the other end of the second support rod 8 is installed in the middle of the vertical plate 2, a hydraulic cylinder 9 is installed on the workbench 1, and the telescopic end of the hydraulic cylinder 9 is fixedly connected to the top of the diamond bracket 3.

[0015] A connecting piece 10 is provided between two adjacent first pull rods 6 , and the connecting piece 10 is fixedly connected to the first pull rod 6 via a pin.

[0016] The right end of the vertical plate 2 is hinged with a rear arm beam 11, the rightmost end of the rear arm beam 11 is installed with a counterweight block 12, and a second pull rod 13 is installed between the top end of the vertical plate 2 and the rear arm beam 11, and the second pull rod 13 is located on the left side of the counterweight block 12.

[0017] When the utility model is in use, the support arm 4 is fastened to the left end of the diamond bracket 3 by bolts, the two adjacent first tie rods 6 are fastened by the connector 10 and the pin, the rear arm beam 11 is hinged to the vertical plate 2, the second tie rod 13 is bolted to the vertical plate 2, the first support rod 7 and the second support rod 8 are respectively bolted to the vertical plate 2, and the front arm frame is easy to disassemble and assemble, which reduces the risk of large-scale transportation, improves transportation efficiency, and is conducive to on-site installation, saving time and effort. When the bucket wheel machine is in use, the right end of the diamond bracket 3 is hinged to the workbench 1, the hydraulic cylinder 9 connects the workbench 1 and the top of the diamond bracket 3, and the hydraulic cylinder 9 is started. The hydraulic cylinder 9 controls the diamond bracket 3 to rotate around the workbench 1, and the diamond bracket 3 drives the vertical plate 2, the support arm 4, the bucket wheel transmission mechanism 5, the rear arm beam 11 and the counterweight 12 to rotate as a whole, thereby realizing the adjustment of the tilt angle of the bucket wheel transmission mechanism 5, effectively balancing the gravity distribution of the entire system, thereby reducing unnecessary stress accumulation, and greatly reducing the risk of structural deformation caused by stress concentration.

[0018] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.

Claims

1. A front arm of a bucket wheel excavator, characterized in that: The invention comprises a workbench (1), wherein two vertical plates (2) are provided on the workbench (1), a diamond bracket (3) is fixed between the two vertical plates (2), the right end of the diamond bracket (3) is hinged to the workbench (1), a support arm (4) is installed at the left end of the diamond bracket (3), a bucket wheel transmission mechanism (5) is installed at the front end of the support arm (4), a plurality of first pull rods (6) are installed between the front end of the support arm (4) and the top end of the vertical plate (2), a first support rod (7) and a second support rod (8) are fixed at the left end of the diamond bracket (3), the other end of the first support rod (7) is installed at the top end of the vertical plate (2), and the other end of the second support rod (8) is installed in the middle of the vertical plate (2), and a hydraulic cylinder (9) is installed on the workbench (1), and the telescopic end of the hydraulic cylinder (9) is fixedly connected to the top end of the diamond bracket (3).

2. The front arm of a bucket wheel machine according to claim 1, characterized in that: A connecting piece (10) is provided between two adjacent first pull rods (6), and the connecting piece (10) is fixedly connected to the first pull rod (6) via a pin.

3. The front arm of a bucket wheel machine according to claim 1, characterized in that: The right end of the vertical plate (2) is hingedly connected to a rear arm beam (11), the rightmost end of the rear arm beam (11) is equipped with a counterweight (12), a second pull rod (13) is installed between the top end of the vertical plate (2) and the rear arm beam (11), and the second pull rod (13) is located on the left side of the counterweight (12).

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