JP2005255325A - Seal belt device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seal belt device capable of correcting a seal belt riding on a seal belt guide due to meandering of the seal belt to its original position and preventing the seal belt from riding on and dropping. <P>SOLUTION: In this seal belt device, a transfer car 24 is constituted in such a way that the seal belt 20 is partially lifted by a plurality of guide rollers 28, 28 provided inside a transfer car main body 26. Arms 32, 32 as pressing means are provided so as to slide freely in the vertical direction through connection members 33, 33 in the direction of advance of the transfer car main body 26. Rotatable rollers 34, 34 are provided in tip parts of the arms 32, 32 while they are in contact with an upper face of the seal belt 20. A weight as an adjusting means is loaded on upper faces of the arms 32, 32. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a seal belt device, and more particularly to a seal belt device disposed on a conveyor belt for conveying powder.

Conventionally, the work of unloading powder loaded on a ship or the like is generally performed using an unloader. The unloader is provided with a conveyor belt for conveying powder to a silo installed on the ground. As disclosed in Patent Documents 1 and 2, the conveyor belt is provided with a seal belt device, and mainly includes a conveyor casing, a seal belt, a seal belt guide, and a transfer car. A conveyor belt is disposed in a conveyor casing having an opening at the top, and a seal belt is placed on the opening while both sides are supported by a seal belt guide. A transferer that runs along the conveyor belt as the unloader moves is installed on the upper surface of the seal belt. The transferer partially lifts the seal belt to release a part of the opening, whereby the powder from the unloader is transferred to the conveyor belt. Thereby, even if the unloader is moved with respect to the conveyor belt, dust and rain can be effectively prevented with respect to the powder on the conveyor belt.
JP-A-8-225128

  However, the conveyor belt is often a long distance and is often used for a long time without being renewed from the viewpoint of cost. For this reason, a difference in height or bending occurs in the conveyor belt due to ground subsidence or change with time, and meandering occurs in the seal belt due to the influence. Due to the meandering of the seal belt, the end of the seal belt rides on the seal belt guide, and there is a problem that the dustproof and rainproof effects on the conveyor belt are halved.

  In addition, if the transfer is moved with the seal belt on the belt, the end of the seal belt passes over the seal belt guide, and the seal belt falls off, which hinders the conveyance of powder by the conveyor belt. It was.

  The present invention has been made in view of such circumstances, and a seal belt device capable of correcting the seal belt riding on the seal belt guide to the original position by meandering of the seal belt and preventing the seal belt from climbing and falling off. The purpose is to provide.

  In order to achieve the above-mentioned object, the invention according to claim 1 is mounted on a conveyor casing having an opening in the upper part and surrounding a conveyor belt for conveying a conveyed product, and an upper surface of the opening of the conveyor casing. A seal belt disposed along the conveyor belt, a pair of seal belt guides provided on both sides of the opening across the seal belt, and the seal belt partially lifted up, A transfer belt moving on the conveyor casing along the conveyor belt, wherein the transfer car presses the seal belt against the conveyor casing at a front position in the running direction; And adjusting means for adjusting the pressing force of the pressing means.

  According to the present invention, when the transfer car runs and the seal belt is partially lifted, the pressing means arranged in the running direction presses the seal belt against the conveyor casing side. There is no lifting of the seal belt part other than that. As a result, even when the seal belt is meandering, it is possible to prevent the seal belt from riding on the seal belt guide and to prevent the seal belt from falling off when the seal belt rides up.

  Further, even when the seal belt rides on the seal belt guide, the seal belt lifted by the pressing means is pushed to the conveyor casing side at the front position, so that the carried seal belt can be corrected to the original position.

  At this time, if the pressing force applied to the seal belt by the pressing means is too large, there is a possibility that the transferer will be obstructed. Therefore, by providing the adjusting means, it is possible to adjust the pressing force of the pressing means so that the ride of the seal belt can be corrected and a load is applied to the seal belt that does not impede the travel of the transfer car.

  According to a second aspect of the present invention, the pressing means according to the first aspect of the invention supports the roller rotatably at the tip of the arm and slides the base end of the arm up and down on the transferer. The adjusting means is any one of a weight member, a hydraulic cylinder mechanism, an electric cylinder mechanism, and a spring that applies a pressing force to the seal belt via the roller. To do.

  According to the second aspect, since the roller is supported by an arm that is slidable in the vertical direction, any one of a weight member, a hydraulic cylinder mechanism, and a spring provided as an adjustment member that applies a pressing force to the roller. As a result, a downward force is generated to swing the arm downward. On the other hand, when the transfer car runs and partially lifts the seal belt, an upward force is generated to swing the arm upward via the roller. Therefore, by adjusting the pressing force by the weight member, hydraulic cylinder mechanism, electric cylinder mechanism, and spring, it is possible to correct the seal belt that has been ridden, and the downward direction described above so as not to hinder the travel of the transfer car. You can balance power and upward force.

  As described above, according to the seal belt device according to the present invention, even if the seal belt meanders due to the distortion of the conveyor belt, the transferred seal belt can be corrected to the original position by running the transfer car. In addition, it is possible to prevent the seal belt from getting on and off.

  Hereinafter, preferred embodiments of a seal belt device according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a perspective view showing a configuration of a seal belt device 10 according to an embodiment of the present invention.

  An unloader 14 is installed on the quay 12 and unloads the powder loaded on a ship (not shown) that has berthed on the quay 12. The unloader 14 includes a vertical conveyor 14b that unloads the powder loaded on the ship and puts it into an attached tank 14a, and a horizontal conveyor 14c that moves the powder in the tank 14a up to the quay 12. It is installed so as to be able to travel in the direction of the black arrow along the traveling rails 12a, 12a provided in the vehicle.

  In the vicinity of the unloader 14, a conveyor belt 16 is disposed in a direction orthogonal to the unloader 14 and is connected to a silo (not shown) for storing powder. A seal belt device 10 is disposed on the conveyor belt 16.

  The seal belt device 10 includes a conveyor casing 18, a seal belt 20, a seal belt guide 22, and a transfer carrier 24.

  The conveyor casing 18 is installed in a state of surrounding the conveyor belt 16 to prevent dust and rain against the side surface of the conveyor belt 16, and includes an opening member 18a having an opening on the upper surface.

  A sheet-like seal belt 20 is disposed on the upper portion of the opening member 18a. The seal belt 20 is stably supported on the conveyor belt 16 in a horizontal state by the opening member 18a and the seal belt guides 22 installed on both side surfaces of the conveyor casing 18.

  A transferer 24 is installed on the seal belt 20 where the unloader 14 and the conveyor belt 16 are in contact. The transferer 24 partially lifts the seal belt 20 to form a space. Further, the transferer 24 has a structure that moves along the conveyor belt guide 22 in conjunction with the movement of the unloader 14.

  FIG. 2 is a side view and a top view showing the configuration of the transfer carrier 24.

  As shown in the figure, in the transferer 24, there are four guide rollers 28, 28,... For smoothly lifting the seal belt 20 in the box-shaped transferer body 26. (Not shown) is rotatably installed. Therefore, by lifting the seal belt 20 upward from the opening member 18a by the guide rollers 28, 28... And placing one end of the horizontal conveyor 14c of the unloader 14 in the open space, the powder conveyed from the horizontal conveyor 14c can be reduced. It can be transferred to the conveyor belt 16.

  At the front and rear of the transfer body 26, arms 32, 32... And rollers 34, 34. The arms 32, 32... Are connected to the transfer body 26 so as to be slidable in the vertical direction by connecting members 33, 33... Comprising bearings 33a, 33a, and shafts 33b, 33b. At the front ends of the arms 32, 32..., Rotatable rollers 34 are installed in contact with the upper surface of the seal belt 20. Further, weights 30, 30 as adjustment means are placed on the upper surfaces of the arms 32, 32.

  Next, the operation of the seal belt device 10 according to the embodiment of the present invention configured as described above will be described.

  As shown in FIG. 3A, the seat belt 20 is supported by the opening member 18a and the seal belt guides 22 and 22, thereby covering the upper surface of the conveyor belt 16 in a stable state.

  However, when the long-distance conveyor belt 16 installed on the quay 12 or the like is used for a long period of time, a difference in height or bending occurs due to ground subsidence or change with time. Therefore, the seal belt device 10 provided along with the conveyor belt 16 also meanders according to the height difference and the bending. Therefore, when the transferer 24 is caused to travel along with the movement of the unloader 14, a portion where the seal belt 20 rides on the seal belt guide 22 is formed as shown in FIG. Further, if the ride on the seal belt 20 is left as it is, the seal belt 20 may drop onto the conveyor belt 16 as shown in FIG.

  The running or dropping off of the seal belt 20 not only functions to prevent dust and rain against the powder on the conveyor belt 16 but also damages the transfer carrier 24 and the seal belt 20, and also transports the powder. Will be hindered.

  Therefore, in the seal belt device 10 of the present invention, the transferer 24 is provided with arms 32, 32... Equipped with rotatable rollers 34, 34 in the front-rear direction. Therefore, when the transfer car 24 travels and the seal belt 20 is partially lifted, the roller 34 disposed on the traveling direction side presses the seal belt 20 against the conveyor casing 28 side. The seal belt 20 other than the portion where it is not lifted. Thereby, even when the seal belt 20 is meandering, the seal belt 20 can be prevented from riding on the seal belt guide 22 due to the travel of the transfer carrier 24.

  Even when the seal belt 20 rides on the seal belt guide 22, the roller 34 disposed at the rear position of the transfer carrier 24 presses the lifted seal belt 20 against the conveyor casing 18 side. The position of the belt 20 can be corrected on the upper surface of the original opening member 18a.

  Accordingly, it is possible to prevent the seal belt 20 from climbing and to correct the seal belt 20 that has been climbed, so that the seal belt 20 can be prevented from dropping onto the conveyor belt 16.

  At this time, since the arms 32, 32... Are slidably installed in the vertical direction by the connecting members 33, 33, when the transferer 24 runs and partially lifts the seal belt 20, the rollers 34, An upward force is generated to swing the arms 32, 32,. Therefore, by installing the weights 30, 30 on the upper surfaces of the arms 32, 32 ..., a downward pressing force is applied to the rollers 34, 34 via the arms 32, 32 ... to swing the arms downward. A downward force that tries to move is generated. Thereby, the rollers 34 and 34 can press the seal belt 20.

  However, if the load due to the weights 30 is too large, there arises a problem that the transferer 24 travels. Therefore, by adjusting the weights of the weights 30, 30 installed on the arms 32, 32... So that the mounted seal belt can be corrected and prevented and the transfer car 24 is not hindered. The downward force applied to the arms 32, 32, and the upward force are balanced. Thereby, the rollers 34 and 34 can press the seal belt 20 to the conveyor casing 18 side with an appropriate load.

  Further, the seal belt device 10 of the present invention can correct the mounted seal belt 20 and prevent the seal belt 20 from climbing and falling off without using any particularly complicated devices and members. Can be suppressed. In addition, the arms 32, 32..., The rollers 34, 34, and the weights 30 can be attached to the transfer body 26 in a short time, so that the powder unloading operation is not hindered. The seal belt device 10 can be employed.

  In the seal belt device 10 described above, the number, shape, material, and the like of each member and device are not particularly limited. In the seal belt device 10, the arms 32, 32..., Rollers 34, 34 and weights 30, 30... Are provided before and after the transfer car 20, but are not particularly limited. If the traveling direction of the transfer car 24 is one side, it may be installed only on one side.

  Further, although the weights 30, 30... Are installed as the adjusting means, they are not particularly limited. As the adjusting means, any one of a weight member, a hydraulic cylinder mechanism, an electric cylinder mechanism, and a spring may be employed as long as the pressing force can be applied to the seal belt 20 via the rollers 34 and 34. For example, as shown in FIG. 3A, if the springs 36, 36... Are provided on the upper surfaces of the arms 32, 32.

  Furthermore, the arms 32, 32... And the rollers 34, 34 are installed on the transfer body 26 as pressing means, but are not particularly limited. A damper (not shown) may be installed on the guide rollers 28, 28 provided below, and the seal belt 20 may be lifted downward. Also, the rollers 34, 34 are not limited to the shape shown in FIG. 2, and a combination of a plurality of wheels 38, 38... Is used as the rollers 34, 34 as shown in FIG. Also good.

The perspective view which showed the structure of the seal belt apparatus which is embodiment of this invention The side view which showed the structure of the transferer in the seal belt apparatus which is embodiment of this invention Sectional drawing which showed each condition of the seal belt in the seal belt apparatus which is embodiment of this invention The side view which showed the modification of the transferer in the seal belt apparatus of embodiment of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Seal belt apparatus, 12 ... Quay, 12a ... Travel rail, 14 ... Unloader, 14a ... Tank, 14b ... Vertical conveyor, 14c ... Horizontal conveyor, 16 ... Conveyor belt, 18 ... Conveyor casing, 18a ... Opening member, 20 ... Seal belt, 22 ... seal belt guide, 24 ... transfer car, 26 ... transfer car body, 28 ... guide roller, 30 ... weight, 32 ... arm, 32a ... bearing, 32b ... shaft, 34 ... roller, 36 ... spring, 38 …Wheel

Claims (2)

A conveyor casing having an opening at the top and surrounding a conveyor belt for conveying a conveyed product, a seal belt placed on an upper surface of the opening of the conveyor casing and disposed along the conveyor belt, and the seal A pair of seal belt guides provided on both side surfaces of the opening across the belt, a transferer that moves along the conveyor belt on the conveyor casing in a state where the seal belt is partially lifted, and A seal belt device comprising:
The transfer car is
A pressing means for pressing the seal belt against the conveyor casing at a front position in the running direction;
And an adjusting means for adjusting the pressing force of the pressing means. The pressing means is configured to rotatably support a roller at the distal end portion of the arm, and to support the base end portion of the arm slidably in the vertical direction on the transfer car.
2. The seal according to claim 1, wherein the adjustment member is one of a weight member, a hydraulic cylinder mechanism, an electric cylinder mechanism, and a spring that applies a pressing force to the seal belt via the roller. Belt device.

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