KR101692056B1 - A shock absorbing unit and shock absorbing guide apparatus for conveyor belt - Google Patents

Abstract

The present invention is characterized in that the present invention relates to a tubular frame having a rectangular barrel, a bar shaped member disposed across the barrel, a shaft portion having its respective side facing the corner of the barrel, And a cushion member inserted in a space between each of the corner portions of the passage and each side surface of the shaft portion, the cushioning member being inserted into the tunnel-shaped frame or the shaft portion by being compressed and inserted at a constant rate relative to the original volume, The shock absorber is adapted to receive the shock absorber and to be deformed but to repel the shock due to its own elastic force. An arm axially coupled to the shaft at one end thereof and transmitting an external force to the shaft; And a guide shoe for directly or indirectly coupling the outer surface to the other side end of the arm to transmit an external force applied to the inner surface to the arm, Quot; buffering unit " A guide roller in contact with the conveyor belt and adapted to rotate in place in response to movement of the conveyor belt; And a coupling shaft for axially coupling the guide shoe and the guide roller so that the inner surface of the 'C' -shaped section of the guide shoe and the outer circumference of the guide roller are aligned in a straight line. Device "

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shock absorbing unit for a conveyor belt,

The present invention relates to a cushioning structure having excellent durability and stability through a simple and efficient structure for absorbing an impact generated by an external force through a shaft portion and a cushioning member disposed in a tunnel-shaped frame having a rectangular barrel, And a buffer guide for the conveyor belt including the buffer unit.

Conveyor belts are essential equipment for long-distance transport of minerals, powders, and mass transport in factories. The conveyor belt has a risk of deviating from the conveying direction irregularly to the left or right due to the bias of the conveying minerals, powder, etc. or vibrations generated during the operation of the conveyor roller. If the conveyor belt deviates from the trajectory in the course of its operation, it may lead to damage to the conveyor belt and the conveyor roller, as well as the loss of the transport operation.

Conventionally, various conveyor belt skew prevention devices have been introduced to prevent such damage and loss. Regarding some conventional devices for preventing the conveyor belt from skewing, the registered patent No. 0931149 and registered patent No. 0931148 disclose a conveyor belt skew adjusting device that automatically adjusts skew through contact with the back side of the conveyor belt when the conveyor belt is running. No. 0926527 discloses a conveyor belt condition monitoring and skew prevention device including a skew correction unit that applies a skew to a conveyor roller to correct a skew direction of the conveyor belt when the skew occurs.

However, such conventional devices for preventing the conveyor belt from slippage have a complicated structure and a limited range of recovery of meandering, which limits the suppression of the meandering of the conveyor belt. Accordingly, there is a need to develop a device that overcomes the limitation of the meandering suppression force of devices for preventing skewing of a conveyor belt and provides a stable skew suppressing force to the conveyor belt.

Registration No. 0931149 "Automatic conveyor belt adjustment device", Dec. 10, 2009 Registered Patent No. 0931148 entitled "Conveyor belt self-adjusting device ", December 10, 2009. Registered Patent No. 0926527 "Apparatus and Method for Monitoring Condition of Conveyor Belt and Anti-skewing ", Nov. 12, 2009.

The present invention provides a cushioning structure having excellent durability and stability through a simple and efficient structure in which shocks generated by an external force are absorbed through a shaft portion and a cushioning member disposed in a tunnel-shaped frame having a rectangular tubing A shock absorber comprising a shock absorber for enabling a shock absorber to be mounted on various mechanical devices or equipment, and a shock absorber guiding device for a conveyor belt including the shock absorber.

In order to solve the above-described problems, the present invention is characterized by " a buffer unit; Guide rollers; Coupling axis; And a support shaft; The buffer unit 100; A tubular frame having a rectangular barrel, a bar shaped bar member disposed across the barrel, a shaft portion having its side faces facing the corner portions of the barrel portion, And a cushion member inserted in a space between the corner portion and each side surface of the shaft portion, the cushion member being inserted into the space between the corner portion and each side surface of the shaft portion, Wherein the elastic member is configured to be deformed by the elastic force of the elastic member and to be repulsive to the elastic member. An arm axially coupled to the shaft at one end thereof and transmitting an external force to the shaft; And a guide shoe for directly or indirectly coupling the outer surface to the other side end of the arm to transmit an external force applied to the inner surface to the arm, Wherein the guide shoe is coupled to both ends of the coupling shaft so that the guide shoe is coupled to the coupling shaft, and the guide shoe is coupled to both ends of the coupling shaft, Wherein the guide roller is configured to be coupled to the upper center of the coupling shaft and to be rotated in the shaft in contact with the conveyor belt in contact with the conveyor belt, The outer circumference of the guide roller and the inner surface of the " To provide a buffer conveyor guide device for belt ", characterized in that arranged to align.

L 미만인 정사각형 형태로 이루어진 횡단면을 가지는 축부를 포함하는 것을 특징으로 할 수 있다.At this time, the shock absorber has a tunnel-shaped frame having a tubular shape with a length of 2L on one side and a tunnel-shaped frame having a tubular frame with a length of at least one length to prevent contact between the buffer members

Lt; RTI ID = 0.0 > L < / RTI >

The shock absorber is made of rubber and is compressed at a rate selected from the range of 20 to 30% of the original volume. The shock absorber is provided with a uniform buffering force in a space between each corner of the passage and each side of the shaft, And a member.

Further, the shock absorber may be characterized in that the shock absorber has a rust-preventive tunnel-type frame, a shaft portion and a buffer member.

The present invention further relates to " the buffering unit " A guide roller in contact with the conveyor belt and adapted to rotate in place in response to movement of the conveyor belt; And a coupling shaft for axially coupling the guide shoe and the guide roller so that the inner surface of the 'C' -shaped section of the guide shoe and the outer circumference of the guide roller are aligned on a straight line. Device "together.

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The buffering unit according to the present invention and the buffer guide device for a conveyor belt including the buffering unit according to the present invention have the following effects.

1. A simple structure makes it possible to realize a buffer structure with high efficiency, stability and durability.

2. It can prevent the conveyor belt from slipping semi-permanently through a single installation, and it eliminates the need for separate replacement of consumables, thus reducing management costs.

3. Conventional conveyor belt skew prevention devices overcome the limitation of the meandering force and provide stable conveyor belt anti-skewing force, which prevents the conveyor belt from being damaged by meandering, thereby prolonging the life of the conveyor belt .

1 is an embodiment of a shock absorber according to the present invention.
[Fig. 2] is an exploded perspective view of the shock absorber and the arm of the shock absorber unit of [Fig. 1].
[Fig. 3] is a schematic view showing a state in which a buffer is performing buffering action in the buffering unit of [Fig. 1].
[Fig. 4] is a schematic diagram showing a state in which the buffering unit of Fig. 1 prevents the conveyor belt from skewing.
FIGS. 5 to 7 are a perspective view, a plan view, and a front sectional view, respectively, of an embodiment of the cushioning guide device for a conveyor belt according to the present invention.

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The present invention is applicable to " buffering unit (100); A guide roller 200; A coupling shaft 300; And a support shaft (400); The buffer unit 100; A tubular frame 111 having a rectangular tubular bore, a shaft 112 having a rectangular bar-shaped member disposed across the tubular bore such that each side faces the corner of the tubular bore, And a cushioning member (113) which is inserted into a space between each corner of the passage and each side surface of the shaft portion (112) and which is compressed and inserted at a rate larger than the original volume, When the external force is applied to the frame (111) or the shaft portion (112), the shock absorbing member (113) is deformed due to the external force applied thereto and resists the deformation through its elastic force. An arm (120) axially coupled to the shaft portion (112) at one end thereof and transmitting an external force to the shaft portion (112); And a guide shoe (130) having a 'C' shaped cross section and directly or indirectly coupled to the other end of the arm (120) to transmit an external force applied to the inner surface to the arm (120) The tunnel type frame 111 of the shock absorber 110 is erected and coupled to both ends of the upper surface of the support shaft 400 and both ends of the joint shaft 300 are connected And the guide shoe 130 is coupled to both ends of the coupling shaft 300 so that the guide shoe 130 is coupled to the arm shaft 120 via the coupling shaft 300, 120, and the guide roller 200 is coupled to the upper center of the coupling shaft 300 to be in contact with the conveyor belt and configured to rotate in place in accordance with the movement of the conveyor belt , The guide shoe (1) on the upper surface of the engagement shaft (300) And the outer periphery of the guide roller (200) are arranged so as to be aligned in a straight line on the inner periphery of the 'C' shaped section of the guide roller (30).

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a shock absorber according to the present invention and a shock absorber guide device for a conveyor belt including the shock absorber according to the present invention will be described in detail with reference to the accompanying drawings.

Figs. 1 and 2 show an embodiment of a shock absorber according to the present invention and an exploded perspective view of a shock absorber and an arm in the shock absorber unit in Fig. 1, respectively.

As shown in FIGS. 1 and 2, the shock absorber 100 according to the present invention includes a shock absorber 110, an arm 120, and a guide shoe 130.

The shock absorber 110 includes a tunnel-shaped frame 111 having a rectangular barrel, a rectangular bar-shaped member disposed across the barrel, and each side is disposed to face each corner of the barrel And a cushioning member 113 inserted into a space between each of the corner portions of the shaft portion 112 and the respective side surfaces of the shaft portion 112, And when the external force is applied to the tunnel-shaped frame 111 or the shaft portion 112, the buffer member 113 receives the external force and is deformed and resists the deformation through its elastic force.

L 미만인 정사각형 형태로 이루어지는 것이 균등한 전방향 완충을 위해 바람직하다. 상기 통공부가 한변의 길이가 2L인 정사각형 형태일 때 상기 축부(112)의 횡단면이 정사각형으로 이루어지면서 한변의 길이가 상기 완충부재(30) 상호간의 접촉을 방지할 수 있는 최소 길이 보다 작은 경우 효율적인 완충이 수행되기 어려우며,

L보다 클 경우 상기 통공부에 상기 축부(112)가 배치될 수 없게 되기 때문이다.When the tubular frame 111 has a square shape with a length of one side of 2L, the length of one side of the shaft portion 112 is longer than the length of the buffer member 113) is at least a minimum length that can prevent mutual contact

L is preferable for uniform omni-directional buffering. When the cross section of the shaft portion 112 is square and the length of one side is smaller than the minimum length that can prevent the mutual contact between the cushioning members 30, It is difficult to buffer,

L, the shaft portion 112 can not be disposed in the passage.

The buffer member 113 is made of rubber and is compressed in a ratio selected from the range of 20 to 30% of the original volume, and is uniformly distributed in a space between each corner of the passage and each side surface of the shaft portion 112 It is preferable to insert it while providing a buffering force. As described above, the cushioning member 113 inserted into the corners of the through-hole absorbs or repulsively resists the constant elasticity regardless of the pressure applied in any direction due to repetitive repulsive elastic movement of the compression expansion so as to buffer all the external forces externally applied . The most preferred embodiment of the cushioning member 113 is that the compression ratio of the cushioning member 113 inserted into each corner of the passage is maintained at a compression ratio of 25% 113) so that the sum of the compression ratios becomes 100%.

It is preferable that the tunnel frame 111, the shaft portion 112 and the buffer member 113 are all rust-proofed in order to improve corrosion resistance and durability in consideration of the case of being used in a severe environment in temperature, humidity, etc. Do.

FIG. 3 is a schematic diagram showing a state in which the buffer 110 performs a buffering action. More specifically, FIG. 3 is a schematic diagram showing a buffering action when a clockwise external force is transmitted to the shaft portion 112. When the shaft portion 112 is moved in a clockwise direction by an external force, It can be seen that the buffering action occurs due to the elastic force generated when the buffer member 113 inserted into each corner portion of the study is deformed.

One end of the arm 120 is vertically coupled to the shaft portion 112 and transmits an external force to the shaft portion 112. The other end of the arm 120 is coupled to the outer surface of the guide shoe 130. 1, the other end of the arm 120 is coupled to the outer lower surface of the guide shoe 130. This is an example only, and an external force applied to the guide shoe 130 can be transmitted to the shaft portion 130 112, the other end of the arm 120 may be coupled to an outer upper surface or an outer side surface of the guide shoe 130, for example. Also, the other end of the arm 120 may not necessarily be directly coupled to the guide shoe 130, and may receive an external force received by the guide shoe 130 in an indirectly coupled state.

The guide shoe 130 is a member having a "C" -shaped cross section, and its outer surface is directly or indirectly coupled to the other side end of the arm 120 to transmit an external force applied to the inner surface to the arm 120 do. The conveyor belt comes into contact with the inner surface of the guide shoe 130 while the buffer unit 100 is installed to prevent the conveyor belt from skewing. Therefore, as the material of the guide shoe 130, UHMW-PE (ultra-high density polyethylene) having the highest abrasion resistance, chemical resistance, impact resistance and self-lubricating property among plastic materials is preferably applied to protect the edge of the conveyor belt Do. Further, it is more preferable to apply ultrahigh molecular weight polyethylene having self-extinguishing property and electric conductivity for preventing fire caused by friction or biting of bituminous coal. Reference can be made to the registered patent No. 0727553.

Fig. 4 is a schematic view showing a state in which the buffer unit of Fig. 1 prevents the conveyor belt from skewing.

In FIG. 4, the guide shoe 130 is installed on a side surface of the conveyor belt and is pushed by the conveyor belt when the conveyor belt deviates laterally from the conveying direction. The force received by the guide shoe 130 from the conveyor belt is transmitted to the shock absorber 110 through the arm 120. The elastic restoring force of the cushioning member 113 which is generated as a result is transmitted to the guide shoe 130 via the shaft portion 112 and the arm 120 and finally the guide shoe 130 is transferred to the conveyor belt by the anti- Lt; / RTI > Through this process, the conveyor belt can maintain the original transport direction.

FIGS. 5 to 7 show a perspective view, a plan view and a front sectional view, respectively, of an embodiment of the cushioning guide device for a conveyor belt according to the present invention.

The cushioning guide device for a conveyor belt according to the present invention includes the cushioning unit 100, a guide roller 200 which is in contact with the conveyor belt and is rotated in place in accordance with the movement of the conveyor belt, (300) for axially coupling the guide shoe (130) and the guide roller (200) so that the inner surface of the C '-shaped section and the outer circumference of the guide roller (200) are aligned on a straight line. do.

The cushioning unit 100 is as described above, and the cushioning unit 100 provides a conveying belt restraining force through the driving as shown in FIG.

The guide roller 200 contacts the edge portion of the advancing conveyor belt and rotates to guide the advancing of the conveyor belt and prevent the conveyor belt from skewing. The guide roller 200 is coupled to the buffer unit 100 through the coupling shaft 300 and provides a buffering force and a restoring force when the conveyor belt is jogged through the same action as the buffer unit 100. The guide roller 200 is made of a material such as UHMW-1, which has the best abrasion resistance, chemical resistance, impact resistance and self-lubricating property among the plastic materials for protecting the edge of the conveyor belt, PE (ultra high density polyethylene) is preferably applied. Further, it is more preferable to apply ultrahigh molecular weight polyethylene having self-extinguishing property and electrical conductivity for preventing fire caused by friction or biting of bituminous coal, as described above, refer to EP 0727553 as described above.

The coupling shaft 300 integrally joins the guide shoe 130 and the guide roller 200 to allow the buffer unit 100 and the guide roller 200 to divide the meandering force of the conveyor belt, So that the buffer unit 100 and the guide roller 200 can simultaneously perform anti-skewing of the conveyor belt.

The guide shoe 130 is coupled to both ends of the coupling shaft 300 and the guide roller 200 is coupled to the middle of the coupling shaft 300 in the embodiment shown in FIGS. .

The buffering unit according to the present invention and the buffer guide device for a conveyor belt including the buffering unit have been described in detail with specific embodiments. However, it should be understood that the present invention is not limited to the above-described embodiment, and various modifications and variations are possible without departing from the gist of the present invention. It is therefore intended that the appended claims cover such modifications and variations as fall within the true scope of the invention.

100: buffer unit 110: buffer
111: Tunnel type frame 112: Shaft
113: buffer member 120: arm (arm)
130: guide shoe 200: guide roller
300: coupling shaft 400: support shaft

Claims (7)

A buffer unit (100); A guide roller 200; A coupling shaft 300; And a support shaft (400); , ≪ / RTI >
The buffer unit 100; silver,
A tubular frame 111 having a quadrangular cylindrical shape and a rectangular bar shaped member disposed across the cylindrical shape and having a shaft portion 112 disposed on each side of the tubular shaped frame so as to face each corner portion of the cylindrical member, And a cushioning member (113) which is inserted into a space between each corner portion of the cylinder block and each side face of the shaft portion (112) and is inserted into the cylinder body When the external force is applied to the shaft portion (111) or the shaft portion (112), the buffer member (113) is received and deformed and repulsive to the deformation through its elastic force. An arm (120) axially coupled to the shaft portion (112) at one end thereof and transmitting an external force to the shaft portion (112); And a guide shoe (130) having a 'C' shaped cross section and directly or indirectly coupled to the other end of the arm (120) to transmit an external force applied to the inner surface to the arm (120) Respectively,
The buffering unit 100 is coupled to both ends of the upper surface of the support shaft 400. The tunneling frame 111 of the buffering unit 110 is coupled with the tunneling frame 111,
Both ends of the coupling shaft 300 are engaged with the other ends of the arm 120 and the guide shoe 130 is coupled to both ends of the coupling shaft 300, And indirectly to the other end of the arm (120) via the arm (300)
The guide roller 200 is coupled to the center of the upper surface of the coupling shaft 300 to be in contact with the conveyor belt and is configured to rotate in place in accordance with the movement of the conveyor belt,
Wherein the guide shoe (130) is arranged on the upper surface of the coupling shaft (300) so that the inner surface of the 'C' shaped section of the guide shoe (130) and the outer circumference of the guide roller (200) are aligned in a straight line. Guide device.
The method of claim 1,
The buffer 110 has a tubular frame 111 having a tubular shape with a length of 2L on one side and a tubular frame 111 having a tubular frame 111 having a tubular frame 111 having a length of at least one length to prevent contact between the buffer members 113

L, < / RTI > and a shaft portion (112) having a cross-section in the form of a square having a length less than L.
The method of claim 1,
The buffer 110 is made of rubber and is compressed in a ratio selected from the range of 20 to 30% of its original volume so that a uniform buffering force is applied to the space between each corner of the passage and each side of the shaft 112 And a cushioning member (113) inserted and provided therein.
The method of claim 1,
Wherein the shock absorber (110) has a rust-preventive tunnel frame (111), a shaft portion (112), and a buffer member (113).
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