JP3279978B2 - Intermediate column of wire pull conveyor device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a head and a tail that can be freely moved and fixed, and a conveyor body stretched between the head and the tail, and the conveyor body is a flexible member. And a string-like body is attached to both ends of the wire pulley via a plurality of hanging fittings, and the head portion and the tail portion of the wire pull conveyor device are provided with a drum for reversing a conveyor body and a tension correcting device. The present invention relates to an intermediate support portion that supports a conveyor body movably and fixedly arranged between a tail portion and a tail portion.

[0002]

2. Description of the Related Art Conventionally, the transport of loose materials such as crushed stones, gravel, earth and sand, and cement by a belt conveyor requires the installation of a highly rigid frame over the entire line of the transport line, and is therefore an expensive device. Therefore, it can be applied only when sufficient depreciation can be expected such as large-scale and long-term construction. Further, the conveyor belt supported by the conventional carrier roller has a limit in the amount of loading.

Accordingly, the present applicant has disclosed in Japanese Patent Application Laid-Open No. 9-4013.
No. 3, Japanese Patent Application Laid-Open No. 9-40134 and the like disclose a technique of a wire pull conveyor device which has a large loading amount, is inexpensive, and can be loaded at an arbitrary place.

FIG. 8 shows a conveyor body 1 according to this technique.
And an intermediate support 30A. Conveyor body 1
Is formed of a flexible member such as a wire mesh, cloth, synthetic rubber, and the like, and one end of a hanging metal fitting 3 is fixed to each end edge at every interval D, and the other end of these hanging metal fittings 3 It holds the wire rope 4 which is a string-like body.

Although this technique is effective, the conveyor body 1
Since the support of the wire rope 4 at the intermediate support portion 30A is sandwiched between the receiving roller 34 of the guide device 33 and the tire roller 35 from above and below, there is a possibility that the wire rope 4 may be disconnected for some reason. Since the metal fitting 3 passes between the rollers, an excessive force may be applied to the hanging metal 3 depending on the setting conditions, and the durability of the hanging metal 3 may be reduced.

[0006]

SUMMARY OF THE INVENTION Accordingly, the present invention provides an intermediate support, which is disposed between a head and a tail of a wire pull conveyor device so as to be movable and fixed, in a manner that allows the conveyor to be unscrewed and suspended. It is an object of the present invention to prevent excessive force from being applied and to more reliably guide a conveyor by preventing meandering or bending a traveling direction.

[0007]

According to the present invention, a moving / moving device is provided.
It is composed of a fixed head portion and a tail portion, and a conveyor body stretched between the head portion and the tail portion. The conveyor body is formed of a flexible member and has a plurality of hanging metal fittings at both end edges thereof. A wire pulling conveyor device provided with a drum for reversing the conveyor body and a tension correcting device at the head portion and the tail portion, which are movable and fixed between the head portion and the tail portion. A plurality of carrier rollers for supporting the outward path of the conveyor body are mounted on the upper part of the frame assembled in the intermediate support portion for supporting the installed conveyor body. A plurality of sets of the carrier rollers are arranged side by side along the conveyor traveling direction, and the return path portion of the conveyor body is supported below the carrier rollers. It is provided a turn roller. Further, a plurality of carrier rollers arranged side by side along the conveyor traveling direction are arranged so that the mounting height is gradually changed.

It is preferable that the height of these carrier rollers is gradually changed so that the center carrier roller is at the highest position and the suspension curve of the conveyor belt between the columns gradually changes from the suspension curve to the next suspension curve.

[0009] A plurality of carrier rollers, the center of which is concave in the direction perpendicular to the conveyor, are arranged by gradually changing the inclination angles of both end rollers along the conveyor running direction.

The inclination angle may be changed so as to gradually decrease from the carrier rollers at both ends in the traveling direction to the carrier roller at the highest position in the center.

If the carrier rollers at both ends are inclined in the front-rear direction in a plane in accordance with the change in the inclination angle of the conveyor right-angled surface, the conveyor running direction and the roller rotation direction may coincide. .

According to the present invention, a plurality of carrier rollers are arranged on the intermediate support portion while changing the vertical position in the belt running direction, and gradually change from the suspension belt suspension curve between the support columns to the next suspension curve. Transition. Then, in the direction perpendicular to the conveyor belt, the inclination angle of the end roller gradually changes,
The conveyor belt changes its shape from a relatively deep concave shape at the suspension portion between the columns to a shallow concave shape toward the highest carrier roller at which the curvature of the conveyor belt is reversed. As a result, there is no trouble such as uncoping or meandering, and no excessive load or deformation occurs.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2, a wire pull conveyor includes a head portion 10, a tail portion 20, a conveyor body 1 stretched between the head portion 10 and the tail portion 20 and circulating therebetween, and a distance between them. An appropriate number of intermediate support portions 30 are provided, and an intermediate loading portion (not shown) for loading is further included as necessary. The structure of the conveyor body 1 is the same as that of FIG.

FIGS. 3 and 4 show the intermediate support 30. FIG. In FIG. 3, a frame-shaped frame 32 is erected, and three carrier rollers 36a to 36c (hereinafter, generically referred to as 3) for supporting the conveyor belt 2 are provided above the frame 32.
6) are concave at the center and rollers 36a, 3a at both ends.
6c is disposed to be inclined upward and outward at an inclination angle of α. Then, below these carrier rollers 36,
A return roller 38 for supporting the return path portion 2b of the conveyor belt 2 is rotatably provided. Reference numeral 39 denotes a ladder for inspection.

As shown in the side view of FIG. 4, a plurality of sets of carrier rollers 36, in the example shown, five sets of carrier rollers 36A to 36E are arranged side by side in the running direction of the conveyor. And these carrier rollers 36
With the center carrier roller 36C at the highest position, the mounting height h is gradually changed so that the suspension curve between the columns of the conveyor belt 2 gradually transitions from the suspension curve to the next suspension curve, and is inclined by the angle θ in the load direction. Installed.

Further, the end rollers 36a, 3a shown in FIG.
6c is changed in accordance with the belt running direction, and is gradually reduced from the carrier rollers 36A and 36E at both ends toward the roller 36C at the highest position.
In other words, the conveyor belt 2 gradually changes from a deep concave shape due to the conveyed material in the inter-column suspension portion to a shallow concave shape as it ascends. It gradually returns to a concave shape.

In addition, the movement of the conveyor 2 is such that the ends gradually widen in plan view as shown by the dashed arrows in FIG.
The angles a and 36c are also gradually changed by attaching an angle β to the front-back direction.

FIG. 6 shows the head section 10.
The frame-shaped frame 12 is provided with three drums.
Is a driving drum driven by a motor (not shown), and a load cell 13 is interposed between the drum 14 and the frame 12 for measuring the tension. Also, the second drum 17
Is a hydraulic cylinder 18 whose support shaft is a tension correcting device.
Is provided so as to be movable between the distances S, and the load cell 1
The conveyor belt 2 is adjusted to an appropriate tension by the measurement value of 3. The conveyor belt 2 has a plurality of carrier rollers 15 whose forward path portion 2a is concave from a right angle.
And gradually inverted by the first drum 14,
The second drum 17 and the third drum 19 are wound and connected to the return path portion 2b.

FIG. 7 shows the tail section 20.
A tail drum 23 for reversing the conveyor belt 2 is supported on the standing frame 22 so as to be movable and adjustable over a distance T in the belt running direction, and a carrier roller 15 is provided similarly to the head unit 10. I have. Note that reference numeral 24
Is a pressing roller for supporting the return path 2b of the conveyor belt 2.

The intermediate support 30 and the head 1 described above.
0 and the frames 32, 12, 22 of the tail 20
Both can be moved and fixed without having to be fixed to the foundation, etc., and can be moved or diverted as the construction progresses.

An appropriate tension is applied to the conveyor belt 2 by a hydraulic tension correcting device for the head portion 10 and a mechanical tension correcting device for the tail portion 20, and a plurality of carriers are provided to the intermediate support portion 30. The roller 36 is disposed so as to change the position h in the vertical direction in the belt traveling direction, so that a transition from the belt suspension curve between the columns to the next suspension curve can be made gently.
In addition, the carrier roller 36 is provided with an angle θ so as to support the conveyor belt 2 in a direction orthogonal to the curved line of the conveyor belt 2, and furthermore, in a direction perpendicular to the belt, the belt 2 has a relatively deep concave shape due to the conveyed material at the inter-column suspension portion. The inclination angle α of the end rollers 36a and 36c is changed so as to gradually become shallow concave toward the roller 36C at the highest position where the curvature is reversed. The end of the belt 2 gradually expands toward the highest position in a plane due to the change of the inclination angle α, and accordingly the end rollers 36a and 36c are provided with the inclination angle β in the front-rear direction. , Belt 2 running direction and roller 3
The running direction of 6 is matched and the vehicle runs smoothly.

By properly arranging the carrier rollers 36, the conveyor belt 2 is reliably guided in a state where the conveyed articles are loaded, so that troubles such as uncovering or meandering do not occur, and an unreasonable load is applied. , Deformation can be avoided.

[0023]

The present invention is configured as described above,
The following effects are obtained. (1) The conveyor belt can pass anywhere on the carrier roller, and there is no danger of getting out. (2) Since the conveyor body only passes over the carrier roller, the damage of the hanging bracket is reduced in each step, and the durability is improved. (3) The end rollers through which the wire rope passes are arranged at an angle, so that even if the belt tries to meander due to a single load or the like, a force to return to the original position is not generated, and the meander does not meander. (4) Further, by adjusting the installation angle of the carrier roller, the running direction of the belt conveyor can be bent at the intermediate support portion.

[Brief description of the drawings]

FIG. 1 is a plan view showing a configuration of a wire pull conveyor device using the present invention.

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a front view showing an embodiment of an intermediate support portion of the present invention.

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a plan view showing running of a belt on an intermediate support portion.

FIG. 6 is a side view showing a head unit.

FIG. 7 is a side view showing a tail portion.

FIG. 8 is a perspective view showing a conventional conveyor main body and an intermediate support portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Conveyor main body 2 ... Conveyor belt 3 ... Suspension fitting 4 ... Wire rope 10 ... Head part 14 ... Driving drum 18 ... Hydraulic cylinder 20 ... Tail part 23 ..Tail drum 30 ・ ・ ・ Intermediate support part 32 ・ ・ ・ Frame 36 (36A to 36D) ・ ・ ・ Carrier roller 38 ・ ・ ・ Return roller

Continuation of the front page (72) Inventor Masafumi Haba 2-1959-1 Ogawacho, Kodaira-shi, Tokyo Inside T Casey Co., Ltd. (56) References JP-A-9-40133 (JP, A) Japanese Patent Publication No. 35-35 6411 (JP, B1) (58) Field surveyed (Int. Cl. ⁷ , DB name) B65G 21/00-21/22 B65G 17/02-17/04 B65G 41/00

Claims (3)

(57) [Claims] The present invention comprises a movable and fixable head portion and a tail portion, and a conveyor body stretched between the head portion and the tail portion. The conveyor body is made of a flexible member and has both end edges. Between the head and the tail of the wire pull conveyor device, in which a string and a tension correcting device are provided on the head and the tail with a drum for reversing the conveyor body. In the intermediate support section that supports the conveyor body that is freely movable and fixed to the frame, a plurality of carrier rollers that support the outward path of the conveyor body are placed at the top of the frame assembled frame with both ends concave at the center in the direction perpendicular to the conveyor. The rollers are arranged in an outwardly inclined upward direction, and a plurality of sets of the plurality of carrier rollers are arranged side by side along the conveyor traveling direction, and the conveyor body is disposed below the carrier rollers. An intermediate support portion of a wire pull conveyor device, wherein a return roller for supporting a return path portion is provided. 2. The intermediate column portion of the wire pull conveyor device according to claim 1, wherein a plurality of sets of carrier rollers arranged side by side along the direction of travel of the conveyor are provided with mounting heights gradually changed. 3. The conveyor according to claim 1, wherein a plurality of carrier rollers arranged in a concave shape at the center in a direction perpendicular to the conveyor are arranged by gradually changing the inclination angles of both end rollers along the conveyor running direction. An intermediate support part of the wire pull conveyor device according to any one of the above.