Tail self-leveling device of movable belt conveyor

Abstract

The utility model relates to the technical field of movable belt conveyors, and particularly discloses a tail self-leveling device of a movable belt conveyor, which comprises a movable frame, a belt conveyor, a telescopic structure, a traveling mechanism and a leveling mechanism, the leveling mechanism comprises a rotary supporting bearing, a supporting seat, a supporting plate, a triangular block, a pin shaft, a connecting shaft, a first hinge seat and a second hinge seat. Compared with the prior art, the first hinge seat is fixedly connected to the rear end of the movable frame, the second hinge seat is fixedly connected to the lower end face of the machine frame at the rear end of the belt conveyor, and when the ground is uneven, due to the fact that the top end of the triangular block is of a pin shaft single-hinge structure, and deflection of the connecting shaft is achieved; and the frames on the left side and the right side and the rack at the rear end of the belt conveyor are always in a relative horizontal state, so that the purpose of self-leveling of the tail part is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile belt conveyors, in particular to a tail self-leveling device of a mobile belt conveyor. Background Art

[0002] For example, Chinese patent application number CN201910161082.0 discloses a self-propelled belt conveyor comprising a frame having a near-ground end and a far-ground end. Unlike the prior art, four universal casters are disposed below the frame. The four universal casters are capable of turning individually or simultaneously within a range of at least 90 degrees within a horizontal plane, and all or two of the four universal casters are equipped with self-driving devices. Compared with the prior art, the present invention can achieve movement in four directions: forward, backward, left, and right, and can also rotate 360 ​​degrees in place, making it easier to transport.

[0003] However, when the existing mobile belt conveyors are on uneven ground, the height of the wheels on both sides is inconsistent, causing the entire machine body to be unbalanced, and the equipment is very likely to be in a tilted state and easily tip over. Summary of the Invention

[0004] The purpose of the utility model is to solve the deficiencies in the prior art and to provide a tail self-leveling device for a movable belt conveyor.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented according to the following technical solutions:

[0006] A tail self-leveling device for a movable belt conveyor comprises a movable frame and a belt conveyor arranged on the movable frame, a retractable structure is hinged between the bottom of the frame at the front end of the belt conveyor and the top of the front end of the movable frame, and the bottoms of the front end and the rear end of the movable frame are both provided with walking mechanisms; a leveling mechanism is provided on the walking mechanism at the rear end of the movable frame, and the leveling mechanism comprises a slewing support bearing fixedly mounted on the walking mechanism at the rear end of the movable frame, a support seat is rotatably mounted on the slewing support bearing, and two vertically fixed to the middle of the upper end surface of the support seat The support plates are spaced apart, and a triangular block is provided between the two support plates. There is a gap between the bottom of the triangular block and the upper end surface of the support seat. The corner of the top of the triangular block is rotatably installed between the two support plates through a pin shaft. A connecting shaft is fixed through both ends of the triangular block. Both ends of the connecting shaft are located outside the two ends of the two support plates. Both ends of the connecting shaft are rotatably installed with a first hinge seat, and the first hinge seat is fixedly connected to the rear end of the movable frame; a second hinge seat is also rotatably installed on the connecting shaft between the first hinge seat and the support plate, and the second hinge seat is fixedly connected to the lower end surface of the frame at the rear end of the belt conveyor.

[0007] Further, a reinforcing rib plate is fixed on the upper end face of the support seat outside the support plate, and one end of the reinforcing rib plate is fixedly connected with the outer wall of the support plate.

[0008] Further, the walking mechanism at the rear end of the movable frame is a caterpillar walking trolley.

[0009] Further, a through hole is formed in the lower part of the triangular block and extends through both ends of the triangular block, the connecting shaft is connected in the through hole, and the connecting shaft is fixed in the through hole by the locking screw.

[0010] Compared with the prior art, the first hinged seat is fixedly connected at the rear end of the movable frame, the second hinged seat is fixedly connected at the lower end face of the rear end frame of the belt conveyor, when the ground is uneven, the top end of the triangular block adopts a pin shaft single-hinged structure, the left and right frames and the rear end frame of the belt conveyor are always in a relative horizontal state through the deflection of the connecting shaft, and the tail self-leveling purpose is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 The figure is a structural schematic view of the utility model.

[0012] Fig. 2 The figure is a structural schematic view of the leveling mechanism.

[0013] Fig. 3 The figure is a side view of the leveling mechanism. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. The specific examples described herein are only used for explaining the utility model, and are not used for limiting the utility model.

[0015] As Figs. 1-3The embodiment shown in the figure exemplarily shows a tail self-leveling device of a movable belt conveyor, including a movable frame 1 and a belt conveyor 2 arranged on the movable frame 1, a retractable structure 3 is hinged between the frame bottom at the front end of the belt conveyor 2 and the top of the front end of the movable frame 1, generally, the retractable mechanism 3 is a hydraulic cylinder, and its specific installation refers to the conventional method, which is not repeated in this embodiment; the bottom of the front end and the rear end of the movable frame 1 are both provided with a walking mechanism; in order to facilitate movement, the walking mechanism at the rear end of the movable frame 1 is a crawler walking trolley 4; the crawler walking trolley 4 at the rear end of the movable frame 1 is provided with a leveling mechanism 5, the leveling mechanism 5 includes a slewing support bearing 51 fixedly mounted on the crawler walking trolley 4, and a support seat 52 is rotatably mounted on the slewing support bearing 51, and two spaced support plates 53 are vertically fixed in the middle of the upper end surface of the support seat 52, and a triangular block 54 is provided between the two support plates 53, and the bottom of the triangular block 54 is spaced from the upper end surface of the support seat 52, as shown in FIG. Fig. 2 As shown, the lower part of the triangular block 54 is provided with a through hole passing through both ends of the triangular block 54, and the connecting shaft 56 is connected to the through hole. The bottom of the triangular block 54 is fixed to the through hole by a locking screw 510, so that the left and right lengths of the connecting shaft 56 can also be adjusted as needed; the corner of the top of the triangular block 54 is rotatably installed between the two support plates 53 through a pin shaft 55, and a connecting shaft 56 is fixed through both ends of the triangular block 54. The two ends of the connecting shaft 56 are located outside the two ends of the two support plates 5, and the two ends of the connecting shaft 56 are respectively rotatably installed with a first hinge seat 58, and the first hinge seat 58 is fixedly connected to the rear end of the movable frame 1; a second hinge seat 59 is also rotatably installed on the connecting shaft 56 between the first hinge seat 58 and the support plate 53, and the second hinge seat 59 is fixedly connected to the lower end surface of the frame at the rear end of the belt conveyor 2.

[0016] In actual use, in order to increase the supporting strength of the support plate 53 , a reinforcing rib 57 is fixed to the upper end surface of the support seat 52 outside the support plate 53 , and one end of the reinforcing rib 57 is fixedly connected to the outer wall of the support plate 53 .

[0017] The working principle of this embodiment is as follows: when in use, the first articulated seat 58 is first fixedly connected to the rear end of the movable frame 1, and the second articulated seat 59 is fixedly connected to the lower end surface of the frame at the rear end of the belt conveyor 2. When the ground is uneven, due to the single articulated structure of the pin shaft 55 adopted at the top of the triangular block 54, the deflection of the connecting shaft 56 makes the movable frames 1 on the left and right sides and the frames at the rear end of the belt conveyor 2 always in a relatively horizontal state, thereby achieving the purpose of self-leveling of the tail.

[0018] The technical solution of the present invention is not limited to the above-mentioned specific embodiments. Any technical deformation made according to the technical solution of the present invention falls within the protection scope of the present invention.

Claims

1. A self-leveling device for the tail of a movable belt conveyor, comprising a movable frame and a belt conveyor mounted on the movable frame, wherein a retractable structure is hingedly connected between the bottom of the frame at the front end of the belt conveyor and the top of the front end of the movable frame, and a walking mechanism is provided at the bottom of the front end and the bottom of the rear end of the movable frame; characterized in that: The walking mechanism at the rear end of the movable frame is provided with a leveling mechanism, and the leveling mechanism includes a slewing support bearing fixedly mounted on the walking mechanism at the rear end of the movable frame, and a support seat is rotatably mounted on the slewing support bearing, and two spaced support plates are vertically fixed in the middle of the upper end face of the support seat, a triangular block is provided between the two support plates, and the bottom of the triangular block is spaced from the upper end face of the support seat, and the corner of the top of the triangular block is rotatably mounted between the two support plates through a pin shaft, and a connecting shaft is fixed at both ends of the triangular block, and the two ends of the connecting shaft are located outside the two ends of the two support plates, and the two ends of the connecting shaft are respectively rotatably mounted with a first hinge seat, and the first hinge seat is fixedly connected to the rear end of the movable frame; a second hinge seat is also rotatably mounted on the connecting shaft between the first hinge seat and the support plate, and the second hinge seat is fixedly connected to the lower end face of the frame at the rear end of the belt conveyor.

2. The tail self-leveling device of the movable belt conveyor according to claim 1, characterized in that: A reinforcing rib is fixed on the upper end surface of the support seat outside the support plate, and one end of the reinforcing rib is fixedly connected to the outer wall of the support plate.

3. The tail self-leveling device of the movable belt conveyor according to claim 1, characterized in that: The walking mechanism at the rear end of the movable frame is a crawler-type walking trolley.

4. The tail self-leveling device of the movable belt conveyor according to claim 1, characterized in that: The lower part of the triangular block is provided with a through hole which passes through both ends of the triangular block, the connecting shaft is connected in the through hole, and the bottom of the triangular block fixes the connecting shaft in the through hole by a locking screw.

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