CN116216224A - A belt conveyor screw traverse device - Google Patents

Abstract

The invention belongs to the technical field of belt conveyors, and specifically relates to a belt conveyor spiral traversing device. The intermediate frame is composed of several modular intermediate frame modules, and the front and rear ends of each intermediate frame module are provided with spiral traversing mechanisms. The spiral traversing mechanism includes a traversing drum and a drive motor. The outer side of the traversing drum is fixed with a helical blade, and the lower part of the legs of the intermediate frame is provided with a connecting frame. The traversing drum is rotatably installed at the bottom of the connecting frame. Sliding shoes, the bottom of the helical blade is lower than the bottom of the traversing shoe, so that the helical blade is in reliable contact with the ground. When the ground is soft, the helical blade sinks below the ground, and the bottom of the traversing shoe and the traversing roller may touch the ground. Use The lateral thrust of the helical blade rotation is used to achieve lateral lateral movement; the flexibility and applicability of the belt conveyor to deal with soft ground lateral movement are increased; the helical rotation is innovatively applied to the lateral movement of the belt conveyor, Realize its fast and efficient lateral movement.

Description

A belt conveyor screw traverse device

technical field

The invention belongs to the technical field of belt conveyors, and in particular relates to a screw traverse device of a belt conveyor.

Background technique

The belt conveyor is a common material conveying equipment in the production process of the mining industry. When using the belt conveyor, it is often necessary for the conveyor to advance longitudinally and move laterally along with the mining face, especially for open-pit mine displacement conveyors. The special transfer machine moves the conveyor laterally. The bottom of the legs of the belt conveyor is generally fixed with longitudinal steel rails. During the lateral movement of the belt conveyor, the moving rails will be continuously stretched, which will easily cause deformation of the rails. , breakage or relative support displacement, etc., and the existing method of using a transfer machine to move the conveyor laterally, there is still inconvenience in the operation of the lateral transfer of the conveyor, it is difficult to deal with the lateral lateral shift of the conveyor on the soft ground, and the transfer efficiency is low , The problem of slow transfer speed.

Contents of the invention

Aiming at the above situation, the present invention designs a belt conveyor screw traverse device, adding a spiral travel device at the bottom of the legs of the belt conveyor, which can realize efficient and fast traverse of the belt conveyor.

In order to achieve the above object, the present invention adopts the following technical solutions:

A spiral traverse device for a belt conveyor, comprising an intermediate frame of the belt conveyor, outriggers fixed under the intermediate frame, an upper idler set mounted on the intermediate frame, and a lower idler installed on the outriggers group, and the conveying belt that is wound on the upper and lower sets of rollers. The intermediate frame is composed of a number of modular intermediate frame modules connected end to end. Longitudinal advance and lateral shift, as well as telescopic travel and overall traverse of the belt conveyor.

According to the traveling direction of the conveying belt, the front and rear ends of each intermediate frame module are respectively provided with a helical traversing mechanism. Helical blades are fixed on the outer surface of the drum, the left and right ends of the traversing drum are coaxially fixed with rotating shafts, and the outer sides of the legs at the front and rear ends of the intermediate frame module are fixedly connected with connecting frames, and the rotating shafts rotate with the bottom of the connecting frames. Connection, the rotating shaft is connected with the drive motor, and the lateral sliding shoes arranged in the left and right directions are fixed under each leg of each intermediate frame module to reduce the ground resistance of lateral lateral movement and facilitate the lateral lateral movement of the belt conveyor. The bottom of the helical blade is lower than the bottom of the traversing shoe, ensuring reliable contact between the helical blade and the ground. Even when dealing with the soft ground of the mining face, the helical blade can sink into the ground, and the traversing shoe and the traversing shoe The bottom of the moving roller may touch the ground, and the belt conveyor uses the friction between the helical blade and the ground and the lateral thrust to realize its lateral movement.

Further, steel rails are provided on the upper sides of the left and right ends of the traversing shoe, and the rails are detachably connected to the traversing shoe through elastic clips and connecting bolts. Both the rails and the elastic clips are in the prior art. The structure setting will not be repeated here.

Further, the traversing drum is a cylindrical drum, and the helical blades are fixed and wound on the outside of the traversing drum in a helical shape. The two ends of the traversing drum are welded with heads, and the outside of the head is coaxially welded with a rotating shaft. The rotating shaft passes through The bearing with seat is rotationally connected with the bottom of the connecting frame.

Further, a chain transmission structure is used for transmission connection between the drive motor and the rotating shaft, and the chain transmission structure includes a driving gear arranged on the motor shaft of the driving motor and a driven gear arranged on the rotating shaft, and connected to the main, For the transmission chain between the driven gears, the outside of the belt conveyor is equipped with an electric control box, and each drive motor is electrically connected to the electric control box. The electric control box can control the synchronous rotation of each drive motor to realize the belt conveyor. The synchronous lateral movement of the intermediate frame module can realize the overall lateral lateral movement of the belt conveyor, thereby avoiding the deformation, fracture or relative displacement of the rail.

Further, the left and right ends of the traversing shoe are provided with structural braces to enhance the stability of the legs, and flexible chain cables are connected between the head and the tail of each intermediate frame module, and each intermediate frame module plays a role in pulling when it moves forward longitudinally. As a function, when each intermediate frame module moves laterally, the conveyor belt is allowed to have a small amount of centerline lateral deviation error.

Further, the upper idler group is a triple idler structure, the lower idler group is a V-shaped idler group, and the upper and lower idler groups are installed in a hanging manner, combined with the modular overlapping structure of each intermediate frame , so that the conveyor belt has a certain degree of freedom in the longitudinal direction, and a certain degree of flexibility in the lateral direction.

The present invention also includes other components that can be used normally, all of which are conventional means in this field. In addition, devices or components that are not limited in the present invention, such as: intermediate frame, supporting legs, electric control box of belt conveyor And its control circuit setting etc., all adopt the prior art of this field.

The beneficial effects of the present invention are as follows:

The belt conveyor spiral traverse device provided by the present invention adopts a modular splicing structure, and the conveyor belt adopts the hanging setting method of the upper and lower idler roller groups, which increases the longitudinal expansion and lateral expansion of the belt conveyor. The flexibility of lateral movement; add lateral sliding shoes and spiral walking devices at the bottom of the legs of the belt conveyor, and innovatively apply the spiral rotation to the lateral lateral movement of the belt conveyor, which can realize the belt conveyor The fast and efficient lateral movement of the belt conveyor improves the flexibility and applicability of the lateral movement of the belt conveyor when dealing with soft ground.

Description of drawings

Fig. 1 is a structural schematic diagram of the screw traverse device of the belt conveyor in the embodiment.

FIG. 2 is a schematic top view of the structure of FIG. 1 .

FIG. 3 is a schematic side view of the structure of FIG. 1 .

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments. Apparently, the described embodiments are only some, not all, embodiments of the present invention.

It should be noted that the orientations or positional relationships indicated by the terms "up", "down", "front", "rear", "left", and "right" are all based on the drawings and are for convenience of description only.

Example

As shown in Figure 1-3, a belt conveyor screw traversing device, including the middle frame of the belt conveyor, the outrigger 2 fixed under the middle frame, and the upper roller group 3 installed on the middle frame 1. The lower idler roller set 4 installed on the legs, and the conveying belt 5 wound on the upper and lower idler roller sets. The intermediate frame is composed of a number of modular intermediate frame modules 1 end-to-end.

According to the direction of travel of the conveying belt, the front and rear ends of each intermediate frame module are respectively provided with a spiral traverse mechanism, and the spiral traverse mechanism includes a traverse roller 6 arranged along the left and right directions and a drive motor 7 for driving the traverse roller to rotate. Helical blades 8 are fixed on the outer surface of the traversing drum, and the left and right ends of the traversing drum are coaxially fixed with rotating shafts 9, and the outer sides of the lower parts of the legs at the front and rear ends of the intermediate frame module are fixedly connected with connecting frames. The bottom of the frame is rotationally connected, and the rotating shaft is connected to the drive motor. The bottom of each support leg of each intermediate frame module is fixedly connected with lateral sliding shoes 10 arranged in the left and right directions. The bottom of the helical blade is lower than the bottom of the lateral sliding shoe to ensure Reliable contact between the spiral blade and the ground. When the mining face is soft ground, the spiral blade sinks into the ground, and the bottom of the traversing shoe and the traversing drum touch the ground.

Rails 11 are arranged on the upper sides of the left and right ends of the traversing shoe, and the rails are detachably connected to the traversing shoe through elastic fasteners 12 and connecting bolts. Both the rails and the elastic fasteners are railway rails and elastic fasteners pieces.

The traversing drum is a cylindrical drum, and the helical blades are spirally wound and welded on the outside of the traversing drum. Both ends of the traversing drum are welded with heads, and the outside of the head is coaxially welded with a rotating shaft. The rotating shaft passes through the belt. The seat bearing 13 is rotatably connected with the bottom of the connecting frame.

The drive motor and the rotating shaft are connected by a chain transmission structure, and the chain transmission structure includes a driving gear arranged on the motor shaft of the driving motor and a driven gear arranged on the rotating shaft, and a driving gear connected to the driving and driven gears. Between the transmission chain 14, the outside of the belt conveyor is provided with an electric control box (not shown in the figure), and each drive motor is electrically connected with the electric control box, and the electric control box can control each drive motor to rotate synchronously, to realize Synchronous traversing of each intermediate frame module of the belt conveyor.

Structural braces 15 are provided at the left and right ends of the traversing shoe, and flexible chain cables 16 are connected between the ends of the left and right sides of each intermediate frame module. The upper idler group is a triple idler structure, the lower idler group is a V-shaped idler group, and both the upper and lower idler groups are installed in a hanging manner.

The technical solution of the present invention is not limited to the limitations of the above-mentioned specific embodiments. Without departing from the scope and spirit of the illustrated embodiments, many modifications and changes are obvious to those skilled in the art. Within the spirit and principle of the present invention, any technical modification made falls within the protection scope of the present invention.

Claims (7)

1. A belt conveyor screw traversing device, comprising a middle frame of the belt conveyor, legs fixed below the middle frame, an upper idler set mounted on the middle frame, and a lower roller set mounted on the legs The idler set, and the conveying belt wound on the upper and lower idler sets, are characterized in that: the intermediate frame is composed of a number of modular intermediate frame modules connected end to end, and each intermediate frame module The front and rear ends of the front and rear are respectively provided with a helical traversing mechanism. The helical traversing mechanism includes a traversing drum arranged along the left and right directions and a driving motor for driving the traversing drum to rotate. A helical blade is fixed on the outer surface of the traversing drum. The left and right ends of the traversing drum are coaxially fixed with rotating shafts, and the outer sides of the lower parts of the legs at the front and rear ends of the intermediate frame module are fixedly connected with connecting frames. Traverse sliding shoes arranged along the left and right directions are fixedly connected under each leg of the intermediate frame module, and the bottom of the helical blade is lower than the bottom of the lateral sliding shoe. 2. A belt conveyor screw traverse device according to claim 1, characterized in that: the driving motor and the rotating shaft are connected by a chain transmission structure, and the chain transmission structure includes a motor arranged on the driving motor The driving gear on the shaft, the driven gear arranged on the rotating shaft, and the transmission chain connected between the driving gear and the driven gear. 3. A belt conveyor screw traversing device according to claim 1, characterized in that: the traversing drum is a cylindrical drum, the spiral blades are wound and welded on the outer side of the traversing drum, and the two sides of the traversing drum The end is welded with a head, and the outside of the head is coaxially welded with a rotating shaft, and the rotating shaft is rotatably connected with the bottom of the connecting frame through a bearing with seat. 4. A belt conveyor screw traverse device according to claim 1, characterized in that: the outside of the belt conveyor is provided with an electric control box, and each drive motor is electrically connected to the electric control box, and the electric control box is electrically connected to the electric control box. The control box can control the synchronous rotation of each drive motor. 5. A belt conveyor screw traversing device according to claim 1, characterized in that: the left and right ends of the traversing shoe are provided with structural braces to strengthen the stability of the legs, and each intermediate frame module A flexible chain cable is connected between the head and the tail. 6. A belt conveyor screw traversing device according to claim 1, characterized in that: rails are provided on the upper sides of the left and right ends of the traversing shoes, and the rails are connected to each other through elastic fasteners and connecting bolts. Traversing shoes are detachably attached. 7. A belt conveyor screw traverse device according to claim 1, characterized in that: the upper idler group is a triple idler structure, the lower idler group is a V-shaped idler group, the upper and lower The roller group adopts the hanging installation method.

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