CN203845480U - Two-motion-degree link mechanism type bucket-wheel stacker-reclaimer with large working space - Google Patents

Abstract

The utility model discloses a bucket wheel stacker and reclaimer with two movable degrees and a large working space connecting rod mechanism. The second frame pitching mechanism at the rear, the first frame pitching mechanism includes a four-bar linkage and a support rod, the four-bar linkage includes a first pitch rocker, a first pitch link and a first pitch swing bar, and the second The pitch mechanism of the frame is a four-bar linkage mechanism composed of the second pitch rocker, the second pitch link and the second pitch swing rod; the rear bottom of the frame is hinged to the upper end of the second pitch swing rod, and the front bottom of the frame is connected to the support The upper end of the rod is hinged; the rear end of the bucket wheel suspension arm is hinged at the front of the frame, and the front arm body of the bucket wheel suspension arm is obliquely pulled on the top of the frame by a pull rope; the first pitch rocker and the second pitch The rocker is driven by a first rocker motor and a second rocker motor respectively arranged on the vehicle frame. The utility model has the advantages of strong bearing capacity, high positioning precision, large adjustable angle and the like.

Description

Bucket wheel stacker and reclaimer with two movable degrees and large working space with connecting rod mechanism

(1) Technical field:

The utility model relates to a port loading and unloading machine, in particular to a bucket wheel stacker and reclaimer with two movable degrees and a large working space connecting rod mechanism.

(two) background technology:

Bucket wheel stacker and reclaimer is a new type of high-efficiency continuous loading and unloading machine, mainly used in bulk storage yards such as bulk cargo terminals, steel plants, thermal power plants and mines, to complete the storage of iron ore, coal, sand, etc. , Digging and equalizing operations, has the advantages of large radius of gyration, uniform feeding, stable operation, etc., and has been widely used. However, in the existing bucket-wheel stacker-reclaimer products disclosed in CN1616329A, CN102358520B, CN101823631A, CN101678971B, CN101817453A, etc., the steel structure and the cantilever beam are all driven by a single-degree-of-freedom hydraulic cylinder or wire rope traction to realize the adjustment of the pitch angle. There are shortcomings such as limited working space and less flexible output. Moreover, the hydraulically driven bucket wheel stacker-reclaimer also has problems such as high processing and assembly requirements of the hydraulic system, high maintenance costs, low transmission efficiency, and oil leakage, and is not suitable for long-term work in harsh environments such as high and low temperature, and dust.

(3) Contents of utility model:

For this reason, the utility model proposes a bucket wheel stacker and reclaimer with a large working space and a link mechanism with two activities, which mainly solves the problem of limited working space, less flexible output, high processing and assembly requirements and long service life of the traditional bucket wheel stacker and reclaimer. Not long, oil leakage and other technical problems.

The bucket-wheel stacker-reclaimer with two large working spaces and a link mechanism that can solve the above problems includes the bucket wheel cantilever arm set based on the frame and the bucket wheel cantilever arm pitching device set based on the vehicle frame. The bucket wheel cantilever arm pitching device includes a first frame pitching mechanism arranged at the front of the frame and a second frame pitching mechanism arranged at the rear of the frame, and the first frame pitching mechanism includes four links A rod mechanism and a support rod, the four-bar linkage mechanism includes a first pitch rocker, a first pitch link and a first pitch swing rod, the lower ends of the first pitch swing rod and the first pitch rocker are on the vehicle frame The front and rear are hinged, the front end of the first pitch link is hinged with the rod body of the first pitch swing rod, the rear end of the first pitch link is hinged with the upper end of the first pitch rocker, and the lower end of the support rod is connected with the first The hinge point of the pitch link and the first pitch swing link forms a composite hinge, and the pitch mechanism of the second frame is a four-bar linkage mechanism composed of the second pitch rocker, the second pitch link and the second pitch swing link , the second pitch rocker and the lower end of the second pitch rocker are hinged front and rear on the vehicle frame, the front end of the second pitch link is hinged with the upper end of the second pitch rocker, and the rear of the second pitch link The end is hinged with the rod body of the second pitch swing rod; the frame is supported by the pitch mechanism of the first frame and the pitch mechanism of the second frame, and the support mode is that the rear bottom of the frame is hinged with the upper end of the second pitch swing rod. The front bottom of the frame is hinged with the upper end of the support rod; the front end of the bucket wheel cantilever arm is equipped with a bucket wheel, the rear end of the bucket wheel cantilever arm is hinged at the front of the frame, and the front arm of the bucket wheel cantilever arm is tilted by a pull rope. Pulled on the top of the frame, a counterweight mechanism is provided at the rear of the frame; the drives of the first pitch rocker and the second pitch rocker are respectively the first rocker motor and the second rocker mounted on the frame rod motor.

In the above structure, the first rocker motor and the second rocker motor jointly drive the position changes of the first frame pitch mechanism and the second frame pitch mechanism to realize the adjustment of the frame pitch angle and the bucket wheel cantilever arm angle, Finally, the whole machine can store, excavate, equalize and transport iron ore, coal, sand, etc.

A structural form of the counterweight mechanism includes a counterweight suspension arm and a counterweight, the rear end of the counterweight suspension arm is hinged to the frame, and the front arm of the counterweight suspension arm is pulled The stay rope is obliquely pulled on the top of the frame, and the counterweight is arranged at the front end of the suspension arm of the counterweight.

The beneficial effects of the utility model:

1. The bucket wheel stacker and reclaimer of the utility model with two large activities and large working spaces is directly driven by the motor and driven by the connecting rod mechanism to realize the adjustment of the pitch angle of the frame and the angle of the cantilever arm of the bucket wheel, which can effectively overcome the traditional hydraulic pressure. Bucket-wheel stacker-reclaimer has disadvantages such as high processing and assembly requirements, high maintenance costs, short service life, and oil leakage.

2. Compared with the existing bucket wheel stacker and reclaimer, the utility model has the advantages of strong bearing capacity, high positioning accuracy, and large adjustable angle.

(4) Description of drawings:

Fig. 1 is a three-dimensional structural schematic diagram of an embodiment of the present invention.

FIG. 2 is a schematic diagram of initial and reset working states of the embodiment in FIG. 1 .

Fig. 3 is a schematic diagram of the working state of high-level stacking and reclaiming in the embodiment of Fig. 1 .

Fig. 4 is a schematic diagram of the working state of the low-level stacker and reclaimer in the embodiment of Fig. 1 .

Drawing number identification: 1. Rack; 2. Bucket wheel; 3. Bucket wheel outrigger; 4. Support rod; 5. First pitching link; 6. First pitching swing rod; 7. First pitching rocker ; 8, the second pitch rocker; 9, the second pitch link; 10, the second pitch swing rod; 11, the vehicle frame; 12, the first frame pitch mechanism; 13, the second frame pitch mechanism; 14, Pull rope; 15, counterweight cantilever arm; 16, counterweight.

(5) Specific implementation methods:

The technical solutions of the present utility model will be further described below in conjunction with the embodiments shown in the accompanying drawings.

The utility model has a large working space with two activities and a connecting rod mechanism type bucket wheel stacker and reclaimer, which includes a vehicle frame 11, a frame 1, a bucket wheel suspension arm 3, a bucket wheel 2, a counterweight suspension arm 15, and a counterweight. 16 and a bucket wheel cantilever arm pitching device, said cantilever arm pitching device comprising a first frame pitching mechanism 12 located at the front of the vehicle frame 11 and a second frame pitching mechanism 13 located at the rear of the vehicle frame 11, As shown in Figure 1.

The first rack pitch mechanism 12 includes a four-bar linkage mechanism and a support rod 4, the four-bar linkage mechanism includes a first pitch rocker 7, a first pitch link 5 and a first pitch swing link 6, the first A pitch swing link 6 and the lower end of the first pitch rocker 7 are hinged front and rear on the vehicle frame 11, the front end of the first pitch link 5 is hinged with the upper end of the first pitch swing link 6, and the first pitch link 5. The rear end is hinged with the upper end of the first pitch rocker 7, and the lower end of the support rod 4 forms a composite hinge with the hinge point of the first pitch link 5 and the first pitch swing rod 6; the pitch mechanism of the second rack 13 is a four-bar linkage mechanism composed of the second pitch rocker 8, the second pitch link 9 and the second pitch swing link 10, the lower ends of the second pitch rocker 8 and the second pitch swing link 10 are connected to the vehicle frame 11. Hinged front and rear, the front end of the second pitch link 9 is hinged with the upper end of the second pitch rocker 8, and the rear end of the second pitch link 9 is hinged with the middle part of the second pitch swing bar 10, as Figure 2, Figure 3, Figure 4.

The frame 1 is arranged on the vehicle frame 11 through the first frame pitching mechanism 12 and the second frame pitching mechanism 13. The frame 1 is composed of a bottom plate and a vertical beam, and the vertical beam is welded to the front part of the bottom plate. , the front bottom of the base plate is hinged to the upper end of the support rod 4, and the rear bottom of the base plate is hinged to the upper end of the second pitch swing bar 10; the bucket wheel suspension arm 3 is arranged in front of the frame 1, and the bucket wheel suspension arm 3 Bucket wheel 2 is installed at the front end, and the rear end of the bucket wheel suspension arm 3 is hinged at the front end of the bottom plate of the frame 1. The front arm body of the bucket wheel suspension arm 3 is obliquely pulled to the vertical beam of the frame 1 by a pull rope 14 (wire rope) At the top, the rear of the frame 1 is provided with a counterweight cantilever arm 15 and a counterweight 16. The front arm body of arm 15 is obliquely pulled on the top vertical beam of frame 1 by pulling rope 14 (wire rope), and described counterweight 16 is arranged at counterweight cantilever arm 15 front ends, as Fig. 1, Fig. 2, Fig. 3. As shown in Figure 4.

The drive of the first pitch rocker 7 is a first rocker motor arranged on the frame 11 , and the drive of the second pitch rocker 8 is a second rocker motor arranged on the frame 11 .

In the initial and reset working state shown in Fig. 2, the bottom plate of the frame 1 is basically horizontal, and the bucket wheel cantilever arm 3 is extended forward approximately horizontally, which can stack and reclaim materials directly in front.

As shown in Figure 3, for the high-level stacking and reclaiming operation, driven by the first rocker motor, the first pitching rocker 7 rotates forward, the height of the first frame pitching mechanism 12 is reduced, and the front part of the bottom plate of the frame 1 is lowered; At the same time, driven by the second rocker motor, the second pitch rocker 8 rotates forward, and the pitch mechanism 13 of the second frame lowers the height greatly, so that the front end of the frame 1 is tilted up at a large angle, realizing the cantilever arm of the bucket wheel. 3 Lift forward and upward at a large angle.

As shown in Figure 4, for the low-level stacking and reclaiming operation, driven by the first rocker motor, the first pitching rocker 7 is rotated backward, the height of the first frame pitching mechanism 12 is reduced, and the front part of the bottom plate of the frame 1 is lowered; At the same time, driven by the second rocker motor, the second pitch rocker 8 rotates backward, and the second frame pitch mechanism 13 greatly raises the height of the rear end of the frame 1, causing the front end of the frame 1 to produce a large-angle downward pitch, realizing The bucket wheel cantilever arm 3 protrudes forward and downward at a large angle.

The bucket wheel stacker and reclaimer of the utility model returns to the initial and reset working state as shown in Figure 2 after the operation is completed.

Claims (2)

1. the large working space connecting-rod mechanism type of liang mobility bucket-wheel stacker reclaimer, comprise the bucket wheel cantilevered leg (3) arranging based on frame (1) and the bucket wheel cantilevered leg elevation mount arranging based on vehicle frame (11), it is characterized in that: described bucket wheel cantilevered leg elevation mount comprises the second frame luffing mechanism (13) of being located at the first anterior frame luffing mechanism (12) of vehicle frame (11) and being located at vehicle frame (11) rear portion, described the first frame luffing mechanism (12) comprises four-bar linkage and strut bar (4), described four-bar linkage comprises the first pitching rocking bar (7), the first pitch link (5) and the first pitching fork (6), go forward in vehicle frame (11) in the lower end of described the first pitching fork (6) and the first pitching rocking bar (7), rear hinge, the body of rod of described the first pitch link (5) front end and the first pitching fork (6) is hinged, the first pitch link (5) rear end and the first pitching rocking bar (7) upper end are hinged, the hinge point of described strut bar (4) lower end and the first pitch link (5) and the first pitching fork (6) forms compound hinges, described the second frame luffing mechanism (13) is by the second pitching rocking bar (8), the four-bar linkage that the second pitch link (9) and the second pitching fork (10) form, go forward in vehicle frame (11) in the lower end of described the second pitching rocking bar (8) and the second pitching fork (10), rear hinge, described the second pitch link (9) front end and the second pitching rocking bar (8) upper end are hinged, the body of rod of the second pitch link (9) rear end and the second pitching fork (10) is hinged, described frame (1) is supported by the first frame luffing mechanism and the second frame luffing mechanism, supporting way is that after frame (1), bottom is hinged with the second pitching fork (10) upper end, and the front bottom of frame (1) and strut bar (4) upper end are hinged, described bucket wheel cantilevered leg (3) front end is installed bucket wheel (2), bucket wheel cantilevered leg (3) rear end hinge is in frame (1) front portion, the anterior arm body of bucket wheel cantilevered leg (3) is by pulling rope (14) oblique pull in frame (1) top, and described frame (1) rear portion is provided with balance weight mechanism, the driving of described the first pitching rocking bar (7) and the second pitching rocking bar (8) is respectively the first rocking bar electrical motor and the second rocking bar electrical motor of being located on vehicle frame (11).

2. the large working space connecting-rod mechanism type of two mobility according to claim 1 bucket-wheel stacker reclaimer, it is characterized in that: described balance weight mechanism comprises clump weight cantilevered leg (15) and clump weight (16), described clump weight cantilevered leg (15) rear end and frame (1) are hinged, the anterior arm body of clump weight cantilevered leg (15) is by pulling rope (12) oblique pull in frame (1) top, and described clump weight (16) is located at clump weight cantilevered leg (15) front end.