JP3163141U - Belt conveyor fence mounting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a belt conveyor fence mounting structure that can support a fence firmly and stably instead of an unstable fence suspension structure by a hook part, and that handling of parts is very easy for an operator or a storage worker. The purpose is to do. A fence mounting structure for mounting a fence on a belt conveyor. A belt conveyor rail mounting structure 16 having a main body portion 17 attached to the machine frame 9b of the belt conveyor, a first face plate 28 attached to and detached from the main body portion 17, and a regulating member 31 for pressing the first face plate 28 against the fence 11. It is. The main body portion 17 includes an attachment portion 18 fixed to the machine frame 9b by bolts 26, second face plates 19a and 19b that are integral with the attachment portion 18, and a protrusion portion that protrudes from the second face plate and passes through the mesh space 14 of the fence 11. 21. The first face plate 28 presses the fence 11 against the second face plates 19a and 19b, and sandwiches the fence 11 between the first face plate and the second face plate. It becomes very easy to install a fence on a belt conveyor installed over a long distance. [Selection] Figure 4

Description

  The present invention relates to a belt conveyor fence mounting structure for installing a fence around a belt conveyor supported by a machine frame such as a frame, a column, and a reinforcing member.

  2. Description of the Related Art A conveying device provided with a belt conveyor (hereinafter, this conveying device may be referred to as a belt conveyor conveying device) is widely used in the industry as a conveying means for conveying an arbitrary object. This transport device includes many movable parts, for example, a belt conveyor itself, a driving system such as a roller that rotates the belt conveyor, an electric motor, and a power transmission system such as a gear. Conventionally, it is known that a fence is provided around the transport device in order to prevent an operator from contacting these movable parts (see, for example, Patent Document 1). Patent Document 1 discloses a configuration in which a hook portion is provided on a part of a machine frame that supports a belt conveyor, and a fence made of a wire mesh is hooked on the hook portion.

  Patent Document 2 discloses a configuration in which a hook portion is provided on a part of a machine frame that supports the belt conveyor, and a fence made of a metal mesh is hooked on the hook portion and suspended. In Patent Document 3, a hook portion is provided on a part of a machine frame that supports the belt conveyor, and a fence made of a metal mesh is hung on the hook portion to be hung, and a fence is formed by a locking ring and a cotter. The structure of fixing to a frame is disclosed.

Utility Model Registration No. 3151281 (Claim 1, page 5, FIGS. 1, 2 and 3) JP 2008-156069 A (Claim 1, pages 4, 5 and FIGS. 1, 3 and 4) JP 2009-173389 A (Claim 1, page 5, FIGS. 1, 2 and 3) Utility Model Registration No. 3159665 (Pages 5-7, FIG. 4)

  However, in the devices disclosed in Patent Document 1, Patent Document 2 and Patent Document 3, since the hook portion is provided in the machine frame of the belt conveyor and the fence is suspended from the hook portion, the fence swings. If it is unstable or cannot be provided with a hook, it will not be possible to attach a fence. There was a problem that it was easily damaged by a load.

  In view of the above problems, the present inventor has proposed a fence mounting structure that supports a safety fence by using a pair of face plates instead of a hanging structure using a hook portion (for example, Patent Document 4). By adopting this structure, a safety fence can be installed in a place where a hook portion cannot be provided, and further, the safety fence can be stably supported without swinging. It was.

  However, in the fence mounting structure proposed in Patent Document 4, the main body portion of the fence mounting structure and the wedge member that is a member for pressing the fence are used as separate members. For this reason, there is a problem that handling of the parts at the time of attaching and detaching the fence by the operator is very troublesome, and further, it is difficult to store the parts of the fence mounting structure.

  The present invention is made to solve the above-mentioned problems in the conventional apparatus, and can be installed in a place having a complicated external shape such that a hook portion cannot be provided. To provide a belt conveyor fence mounting structure that can be installed in a stable and stable state only by work, is a durable structure that is not easily damaged, and that is very easy for workers and custodians to handle parts. Objective.

The belt conveyor fence mounting structure according to the present invention is
(A) A belt conveyor fence mounting structure for installing a fence provided with a mounting hole around a belt conveyor supported by a machine frame,
(B) having a main body portion attached to the plate portion of the machine frame, a first pinching member attached to and detached from the main body portion, and a regulating member for restricting movement of the first pinching member;
(C) The main body is
(A) a mounting portion fixed to a plate material portion of the machine frame by a fixing means;
(B) a second pinching member provided with a contact surface that is integral with the mounting portion and that can contact the fence in a planar manner;
(C) a protruding portion protruding from the contact surface of the second sandwiching member,
(D) The protrusion can pass through the mounting hole of the fence,
(E) The regulating member is
(A) having a long shape having a long side facing each other and a short side facing each other;
(B) It is connected to the protrusion so that it can rotate but cannot be removed;
(C) The long side is rotatable between a first position where the second pinching member protrudes forward and a second position where the long side faces the second pinching member,
(F) The first pinching member is
(A) having a contact surface that can contact the fence in a planar manner;
(B) having an opening through which the short side of the regulating member and the protruding portion can pass;
(C) can move in a direction approaching or moving away from the second pinching member of the main body portion along the protruding portion;
(G) The restricting member is linearly movable with respect to the protruding portion when the restricting member is in the second position, and the restricting member moves the first sandwiching member to the second sandwiching member during the linear movement. It is characterized by being pressed in the direction toward.

  The machine frame is a structural element for supporting various equipment elements constituting the belt conveyor, and is an element that does not move. Generally, it is a frame, a column, a beam, a reinforcing member, and other structural elements. A belt conveyor is a belt that moves around to convey any object from one place to another. The fence is a member that can prevent at least a part of the human body from passing, and can be a metal net member, a resin net member, a metal or resin plate member, or the like.

  Said 1st clamping member and 2nd clamping member are members which can be hold | maintained on both sides of a fence, and a shape and a structure are arbitrary. For example, planar members (so-called planar members, face plates, etc.) can be used.

  The fixing means can employ any mechanical structure. For example, a detachable structure using bolts is desirable, but a fixed structure that cannot be easily removed, such as welding, may be used in some cases.

  The rail mounting structure for a belt conveyor according to the present invention preferably includes a connecting wire member that connects the first pinching member and the rail. The connecting wire member is, for example, a thin metal or resin wire. According to this embodiment, it is possible to prevent the first pinching member from being lost.

  In the belt conveyor fence mounting structure according to the present invention, the belt conveyor covers a carrier side portion which is a traveling portion for conveying an object, a return side portion which is a traveling portion for returning to an object receiving position, and the carrier side portion. A cover, wherein the machine frame may be a plurality of frames disposed around a return side portion of the belt conveyor, and the fence may be provided around the return side portion of the belt conveyor. it can.

  The rail conveyor rail mounting structure according to the present invention may include a carrier side portion that is a traveling portion for conveying an object and a return side portion that is a traveling portion that returns to a position for receiving the object. The machine frame may be a plurality of frames arranged around the carrier side portion and the return side portion of the belt conveyor, and the fence may be provided around the carrier side portion and the return side portion of the belt conveyor. .

  According to the belt conveyor fence mounting structure according to the present invention, it is not a suspension structure using a hook part, but a structure that supports a fence using a pair of sandwiching members (for example, face plates). Fences can be installed even in places with complicated external shapes that cannot be provided.

  Further, in the structure using the hook portion, the fence itself is only suspended, so that the fence itself can freely swing around the hook portion, and therefore the fence cannot be stably and firmly installed. For example, when the wind is strong, the fence swings and an excessive load is applied to the suspended part, and the hook part and the fence are easily damaged. On the other hand, in this invention, since a fence is pinched and supported by a pair of pinching members, a fence can be supported stably and firmly, and damage to the fence itself or the support part of a fence hardly arises.

  In addition, in the hanging structure using the hook portion, another structure using a locking ring and a locking member inserted into the locking ring is necessary to ensure the stability of the fence. For this reason, two operations, a hanging operation and a locking operation, are required, and the operation is very troublesome. In addition, two structures had to be prepared and the cost was high. On the other hand, in this invention, since a fence can be reliably supported only by a pair of pinching members, the work of installing a fence can be performed easily and the cost can be kept low.

  In the devices disclosed in Patent Document 1 to Patent Document 3, a support structure having a locking ring and a locking member (for example, a cotter) inserted into the locking ring is used. Each was an independent individual member. Therefore, the operator has to hold both of them separately to perform the work of attaching the safety fence, and the workability is poor. Moreover, in the apparatus disclosed in Patent Document 4, the main body portion of the fence mounting structure and the wedge member that is a member for pressing the fence are used as separate members. For this reason, there is a problem that handling of the parts at the time of attaching and detaching the fence by the operator is very troublesome, and further, it is difficult to store the parts of the fence mounting structure.

  On the other hand, in the present invention, the restricting member is connected to the protruding portion which is a component of the main body, and the restricting member is integrated with the main body. For this reason, since the worker and the storage worker do not have to separately hold the regulating member and the main body during the work, the parts can be easily handled and the workability is remarkably improved.

  The length of the belt conveyor to which the fence should be installed can be very long. For example, in an ore transport system in a mine, a belt conveyor may be several tens of meters to several hundreds of meters. In such a case, it is particularly advantageous to use the fence mounting structure of the present invention in order to make work easier and to keep costs low.

(A) is a figure which shows an example of a belt conveyor conveyance apparatus, (b) is a figure which shows the state which applied one Embodiment of the rail attachment structure of the belt conveyor which concerns on this invention to the belt conveyor conveyance apparatus. It is sectional drawing of the belt conveyor conveying apparatus according to the BB line of FIG.1 (b). It is a figure which expands and shows the principal part of FIG.1 (b). It is a perspective view which expands and shows the fence attachment structure which is the principal part of FIG. 3 in an assembly cancellation | release state. It is a perspective view which shows the main-body part which is the principal part of the fence attachment structure of FIG. It is a top view of the main-body part of FIG. FIG. 6 is a front view of a regulating member that is a main part of the main body of FIG. 5. It is a perspective view which shows the state which assembled the fence attachment structure of FIG. It is a perspective view which shows the state which assembled the fence attachment structure of FIG. 4 with the form different from FIG. It is sectional drawing which shows other embodiment of the fence attachment structure of the belt conveyor which concerns on this invention. (A) is a figure which shows the other example of a belt conveyor conveying apparatus, (b) is a figure which shows the state which applied one Embodiment of the rail attachment structure of the belt conveyor which concerns on this invention to the belt conveyor conveying apparatus. is there. It is a perspective view which shows other embodiment of the fence attachment structure of the belt conveyor which concerns on this invention. It is a figure which shows the enlarged region part of the fence attachment structure of the belt conveyor of FIG.

(First embodiment of a rail conveyor rail mounting structure)
DESCRIPTION OF EMBODIMENTS Hereinafter, a belt conveyor fence mounting structure according to the present invention will be described based on embodiments. Of course, the present invention is not limited to this embodiment. In the following description, the drawings are referred to. In the drawings, the components may be shown in different ratios from the actual ones in order to show the characteristic parts in an easily understandable manner.

  FIG. 1A shows a state in which an example of a belt conveyor transport apparatus provided with a belt conveyor fence mounting structure according to the present invention is viewed from the side in the transport direction A. Moreover, FIG.1 (b) has shown the state which attached one Embodiment of the fence attachment structure of the belt conveyor which concerns on this invention to the belt conveyor conveyance apparatus.

  As shown in FIG. 1 (a), the belt conveyor transport device is a machine frame that supports a belt conveyor 3 supported by a driving roller 1 and a driven roller 2, and a driving roller 1 and other various structural members. 4 and a cover 6 covering the carrier side (that is, the upper running side) 3 a of the belt conveyor 3. This belt conveyor conveyance device is used for conveying ore produced in a mine, for example. In this case, the belt conveyor 3 may be installed over a very long distance such as several tens of meters to several hundreds of meters.

  An object to be conveyed, for example, ore, rides on the carrier side 3a of the belt conveyor 3 and is conveyed in the direction indicated by the arrow A. After the conveyance, the belt conveyor 3 bypasses the drive roller 1 and becomes the lower traveling side 3b, and returns to the original position that is a position for receiving the object to be conveyed. Such a downside 3b of the belt conveyor 3 may be referred to as a return side.

  In FIG. 2, which is a cross-sectional view according to the line BB in FIG. 1B, the carrier side portion 3 a that is the upper traveling body of the belt conveyor 3 includes a central horizontal roller 5 and inclinations provided on both sides thereof. It is received by the rollers 10 and 10 and travels in a direction from the back side of the page of FIG. 2 toward the front side of the page. On the other hand, the return side portion 3b, which is the lower traveling body of the belt conveyor 3, is received by the horizontal roller 15 and travels in the direction from the front side of the page of FIG. A plurality of carrier-side horizontal rollers 5 and inclined rollers 10 and 10 and a return-side horizontal roller 15 are provided at intervals from each other in a direction perpendicular to the paper surface of FIG. 2 (that is, through the paper surface). Each inclined roller 10 is supported by a column 20 fixed on a conveyor frame 8 which is a machine frame. The support column 20 is also one of the machine frames.

  In FIG. 1A, a machine frame 4 includes a base frame 7 placed on a reference surface such as the ground, and a conveyor frame 8 installed above the base frame 7 and supporting the belt conveyor 3. And a vertical frame 9, which is a support provided between the base frame 7 and the conveyor frame 8. A part of the lower side of the driving roller 1, a part of the lower side of the driven roller 2, and a return side (downward side) 3 b of the belt conveyor 3 are housed in a space surrounded by the machine frame 4.

  On the side surface of the machine casing 4, as shown in FIG. 1B, a plurality of rectangular net members 11 serving as a fence are continuously arranged side by side without a substantial gap. In FIG. 1 (b), the mesh member 11 provided on the front side surface of the machine casing 4 is shown, but as shown in FIG. 2, the rear side surface (left side surface in FIG. 2) of the machine casing 4 is also shown. A plurality of similar net members 11 are provided.

  As shown in FIG. 3, the net member 11 has a plurality of thin wires 13 stretched inside both the vertical and horizontal sides of a rectangular and ring-shaped (that is, annular or frame-shaped) relatively thick wire 12. It is formed by. One rectangular opening region (that is, mesh space) surrounded by the annular wire 12 and the vertical and horizontal wires 13 adjacent thereto, and the rectangular shape surrounded by the wires 13 adjacent to each other in the vertical and horizontal directions. Each one of the opening regions (that is, the mesh space) constitutes a mounting hole 14 for inserting a protruding portion of the main body described later. A plurality of mounting holes 14 are arranged in rows and columns in the vertical and horizontal directions. The wire 12 and the wire 13 are metal or resin wires.

  The vertical frame 9 is formed in a U-shaped cross section in which upright portions 9b and 9b are formed on both sides of the substrate portion 9a. The net member 11 is supported by a fence attachment structure 16 attached to the upright portion 9 b of the vertical frame 9. As shown in FIG. 4, the fence mounting structure 16 includes a main body portion 17 and a first face plate 28 as a first sandwiching member.

  The main body portion 17 includes a mounting portion 18 to be fixedly attached to one upright portion 9b (see FIG. 3) of the vertical frame 9, and second face plates 19a and 19b as second sandwiching members integral with the mounting portion 18. And a protruding portion 21 protruding outward from between the second face plates 19a, 19b.

  In FIG. 5, the attachment portion 18 is a member having a U-shaped cross section (horizontal U-shape in FIG. 5) and a width W1, and the second face plate 19a, Each of 19b becomes the shape which comprises a substantially right angle and continues. The surfaces of the two second face plates 19a and 19b facing the first face plate 28 (see FIG. 4) form one common plane without a step. Of course, due to manufacturing errors, the surface of the second face plate 19a and the surface of the second face plate 19b may form a level difference that does not impede practical use.

  In FIG. 5, the mounting portion 18 and the second face plates 19 a and 19 b are formed as one integral part by, for example, pressing and bending one metal flat plate. This part is made of, for example, structural steel, is subjected to galvanization or other necessary surface treatment, has a thickness of about 2 to 3 mm, and a weight of 0.5 to 1 kg.

  In FIG. 6, a groove 23 is formed at a substantially central portion of the U-shaped non-open curved end (upper end in FIG. 6) of the mounting portion 18. For example, the groove 23 is formed by punching or the like before the bending process for forming the shape of the mounting portion 18. A long nut 24 is fixedly disposed on one side (left side in FIG. 6) of the groove 23 inside the non-open curved end. The long nut 24 is fixed to the upper and lower mounting portions 18 by welding, for example. Bolts 26 are screwed into the long nuts 24. The tip of the bolt 26 can protrude into the groove 23. For example, the outer diameter of the bolt 26 is 12 mm, and the length of the long nut 24 is 25 mm.

  The bolt 26 is subjected to a loosening prevention process. For example, a sealing material for preventing looseness is applied to the valley portion of the screw, or a loose protrusion is prevented by forming a small protrusion on the top portion of the screw to prevent loosening. . In this way, the bolt 26 is provided with a locking mechanism to prevent loosening of the bolt using two nuts, that is, a single nut structure using one long nut 24 without adopting a double nut structure. Sufficient anti-loosening effect is realized.

  As shown in FIG. 4, by inserting the upright portion 9 b of the vertical frame 9 into the groove 23 and tightening the bolt 26, the mounting portion 18, and thus the main body portion 17, can be firmly fixed to the upright portion 9 b of the vertical frame 9. In addition, it can replace with the single nut structure like this embodiment, a double nut structure can also be employ | adopted, and it is also possible to employ | adopt other arbitrary fixing means. Further, by attaching a triangular wave-shaped non-slip shape, that is, a so-called jagged shape, to the side facing the bolt 26 among the sides of the mounting portion 18 forming the groove 23, it is possible to prevent the rising portion 9b from slipping. it can.

  By the way, in Utility Model Registration No. 3159665, a mounting portion (18) which is one metal block is fixed to the second face plate (19) by welding or the like, and a groove (23) for inserting a machine frame is attached. It is disclosed that the portion (18) is formed by cutting. The reference numerals with parentheses indicate the reference signs in the Utility Model Registration No. 3159665. However, when such an attachment method is adopted, there is a possibility that stress concentration may occur at the corners of the groove (23), the welded part, or the like when the bolt 26 is tightened excessively.

  On the other hand, in the present embodiment, the attachment portion 18 is not a single metal block, but is formed by bending a thin piece of structural steel into a curved shape by pressing, and the second face plates 19a and 19b are also welded. Instead, it is formed by bending one steel material. For this reason, the attachment portion 18 as a whole has favorable spring properties, that is, external force absorption or stress dispersibility, and partial stress concentration occurs in the attachment portion 18 even if the bolt 26 is tightened excessively. Therefore, it is possible to prevent a situation in which the mounting portion 18 is damaged due to application of excessive tightening force by the bolt 26.

  In FIG. 4, the protrusion 21 is formed by a pair of metal or synthetic resin angle members 21a and 21b having a U-shaped cross section (horizontal U-shaped in FIG. 5) and a length L. As shown in FIG. 6, the angle member 21a and the angle member 21b are arranged with an appropriate distance D therebetween. The angle members 21 a and 21 b are fixed to the upper and lower portions of the mounting portion 18 by riveting 22. The width of the protruding portion 21 (that is, the width between the tips of the angle members 21a and 21b) W2 is large enough to pass through the mounting hole 14 that is one mesh space provided in the mesh member 11 that is a fence in FIG. It has become. In FIG. 5, an opening 30 is formed in a portion surrounded by the second face plates 19a and 19b and the angle members 21a and 21b.

  In FIG. 5, a regulating member 31 is provided between a pair of angle members 21 a and 21 b constituting the protruding portion 21. The restricting member 31 is formed of a generally rectangular and elongated plate made of metal or synthetic resin. A guide slot 32 is formed from the substantially central portion toward one end along the longitudinal direction of the regulating member 31. The width W3 of the long hole 32 is constant along its longitudinal direction. A bolt 33 as a shaft member is provided between the pair of angle members 21a and 21b. The shaft member bolt 33 passes through the elongated hole 32 of the restricting member 31 and is fixed to the angle members 21 a and 21 b by a set nut 42. The regulating member 31 is rotatably supported by the shaft member 33 in a state of being suspended from the shaft member bolt 33.

  The restricting member 31 can rotate around the shaft member bolt 33 as indicated by an arrow CC, and at the same time, the shaft member bolt 33 can move within the elongated hole 32 as indicated by an arrow E. It can move linearly within the range.

  In FIG. 7, the regulating member 31 has an elongated shape as a whole, and has long sides 31a and 31b facing each other and short sides 31c and 31d facing each other. The width W4 of the short side 31d on the side close to the long hole 32 is smaller than the width W5 of the opposing short side 31c. A portion having a constant width W4 is provided in the vicinity 34 of the short side 31d. The long sides 31a and 31b provided from the long short side 31c to the short short side 31d are provided with a taper, that is, an inclination such that the width decreases from the long short side 31c to the short short side 31d. The shape of the regulating member 31 is symmetrical with respect to the longitudinal center line X1.

  Returning to FIG. 4, the fence mounting structure 16 has a first face plate 28 as a first sandwiching member. The first face plate 28 is formed in substantially the same shape as the planar shape of the second face plate 19a and the second face plate 19b that are components of the main body portion 17. Further, a rectangular hole portion that is larger than the width and height of the protruding portion 21 that is a component of the main body portion 17 and an elongated shape that is larger than the long short side 31 c of the regulating member 31 are provided at the substantially central portion of the first face plate 28. An opening 36 having a shape combined with the hole portion is provided.

  Four elongated linear protrusions, that is, linear bosses 35, are provided radially around the opening 36 in a portion around the opening 36 in the first face plate 28. As shown in the partial cross-sectional view (a), these linear bosses 35 protrude from the back surface of the first face plate 28 in FIG. 4 (the surface facing the mesh member 11) toward the front surface. The linear boss 35 is formed by, for example, drawing, that is, pressing. The 1st face plate 28 is structural steel, for example, The thickness is 2-3 mm, for example.

  By providing the linear boss 35, the strength can be increased even if the first face plate 28 is a thin plate material. Further, by providing the linear boss 35, the first face plate 28 can be flexed preferably in the front and back direction, and the holding of the net member 11 by the first face plate 28 and the second face plates 19a and 19b is stabilized. be able to.

  Furthermore, the concave portion of the linear boss 35 is configured such that the surface of the first face plate 28 on the side where the concave portion of the linear boss 35 opens to the outside contacts the net member 11, so As a result, the anti-slip effect on the net member 11 can be enhanced as compared with the case where a simple planar member abuts on the net member 11, that is, the surface contact.

  The projecting portion 21 that is a component of the main body portion 17 and the regulating member 31 connected thereto are shaped and sized so as to be able to penetrate the mounting hole 14 of the net member 11. The second face plates 19a and 19b can make surface contact with the thin and long wire 13 of the mesh member 11 or the wire 12 of the ring-shaped outer frame. The first face plate 28 is inserted into the restricting member 31 and the protruding portion 21 at the opening 36 in a state where the protruding portion 21 and the restricting member 31 penetrate the mounting hole 14, and the wire 12 or 13 is formed by the first face plate 28. Is pressed against the first face plates 19a and 19b, the net member 11 can be sandwiched between the first face plate 28 and the second face plates 19a and 19b.

  The planar shape of the first face plate 28 and the planar shape created by the pair of second face plates 19 a and 19 b may be smaller than the area of one mounting hole 14, but preferably from the opening area of one mounting hole 14. Also make it bigger. In this way, the entire circumference of the ring-shaped wire 12 forming one mounting hole 14 or the internal linear wire 13 can be sandwiched between the first face plate 28 and the second face plates 19a, 19b.

  Since the belt conveyor fence mounting structure 16 according to the present embodiment is configured as described above, when attaching the mesh member 11 as a fence to the belt conveyor by this, first, the main body portion 17 of FIG. The mounting portion 18 is fixed to the upright portion 9b of the vertical frame 9 by bolts 26 and nuts 24. As a result, the entire main body 17 is firmly fixed to a desired location on the machine casing 9.

  Next, in FIG. 5, the regulating member 31 is rotated to the horizontal position, and then the regulating member 31 is linearly moved with respect to the protruding portion 21 toward the second face plates 19a and 19b. Then, the constant width portion 34 (see FIG. 7) in the vicinity of the short short side 31d of the restricting member 31 enters the opening 30 between the second face plate 19a and the second face plate 19b. Thereby, as shown in FIG. 4, the restricting member 31 is fixed in a state of projecting horizontally from the second face plates 19a and 19b, and is fixed in a state of not swinging even if the operator releases his / her hand.

  In this state, the mounting hole 14 (any one of the plurality of mesh spaces) of the mesh member 11 is inserted into the regulating member 31 and the protruding portion 21 of the main body portion 17, and the wire 12 or 13 is inserted into the second face plates 19a and 19b. Make surface contact. At this time, since the regulating member 31 is fixed in a horizontal state even when the hand is released, the work of inserting the mesh member 11 into the regulating member 31 and the protruding portion 21 is performed by the operator holding the mesh member 11 with both hands. Can and is very simple. When the planar shape of the second face plates 19a, 19b is larger than the opening area of one mounting hole 14, the entire circumference of the wire 12 or 13 forming one mounting hole 14 is disposed on the second face plate 19a, 19b can be brought into surface contact.

  Next, the first face plate 28 is inserted into the restricting member 31 and the protruding portion 21 as indicated by the arrow F at the opening 36, and the wire 12 or 13 is pressed against the first face plates 19a and 19b by the first face plate 28. Next, after the regulating member 31 is pulled out in the direction opposite to the arrow F to make the regulating member 31 rotatable, the regulating member 31 is rotated upward as indicated by the arrow G so that the long side 31a is the first side. Rotate and move to a state facing the single face plate 28, specifically, to an upright state (a state indicated by a chain line) in which the long side 31a is substantially parallel to the first face plate 28. When the restricting member 31 moves to the upright state, the elongated hole 32 is in a state of extending in the vertical direction. Therefore, the restricting member 31 falls by its own weight as indicated by an arrow H in FIG. Or it moves downward by the striking force of a hammer or the like.

  As shown in FIG. 7, the long side 31 a of the regulating member 31 is provided with a taper. Therefore, when the regulating member 31 moves downward in FIG. 8, the long side 31 a of the regulating member 31 moves the first face plate 28. Press in the direction of the second face plates 19a, 19b. That is, the long side 31a has a cam shape that pushes the first face plate 28 toward the second face plates 19a and 19b, that is, a guide face shape. And finally, as shown in FIG. 8, it will be in the state which the long side 31a of the control member 31 contacts the 1st faceplate 28, and presses it.

  Thus, as shown in FIG. 1B, the plurality of net members 11 cannot be easily removed around the belt conveyor 3, particularly around the return side 3 b of the belt conveyor 3 installed inside the machine frame 4. Can be provided continuously. Thereby, it is possible to prevent the operator from touching the movable elements of the belt conveyor 3, such as rollers and motors, by the net member 11 which is a fence. That is, the net member 11 functions as a safety fence.

  As is apparent from the above description, in the present embodiment, as shown in FIG. 4, the regulating member 31 is connected to the protruding portion 21, that is, connected. That is, the regulating member 31 and the protruding portion 21 are not separate but are integrated. Further, the first face plate 28 that is the first sandwiching member has a contact surface that can contact the mesh member 11 as a fence in a planar manner, and has an opening 36 through which the regulating member 31 and the protruding portion 21 can pass. And it can move in the direction of approaching or moving away from the second face plate 19a, 19b, which is the second sandwiching member, along the protruding portion 21. The restricting member 31 restricts the first face plate 28 from moving in the direction away from the second face plates 19a and 19b in the state shown in FIG. Specifically, the regulating member 31 presses the first face plate 28 in the direction of the second face plates 19a and 19b by the long side 31a.

  The regulating member 31 is connected to the protruding portion 21 in FIG. The regulating member 31 is rotatable about the shaft member 33 between a first position indicated by a solid line and a second position indicated by a chain line. When the restricting member 31 is in the first position (solid line), the first face plate 28 is allowed to be inserted into the protruding portion 21. When the restricting member 31 is in the second position (chain line), the restricting member 31 cooperates with the second face plates 19a and 19b so that the first face plate 28 sandwiching the wire 12 or 13 is the second face plate 19a. , 19b is restricted from moving in a direction away from 19b.

  The restricting member 31 can rotate and move linearly with respect to the protruding portion 21. The regulating member 31 can be rotated about the shaft member 33 between the first position (solid line) and the second position (chain line), and can be moved linearly at the second position (chain line). is there. When the regulating member 31 moves linearly at the second position, the long side 31a is opposed to the first face plate 28 on both upper and lower sides with the protruding portion 21 as a boundary as shown in FIG. Thereby, the 1st face plate 28 can be stably pressed by the whole region of the long side 31a of the control member 31. FIG.

  In the fence mounting structure of this embodiment, instead of pushing or striking the regulating member 31 from the top to the bottom as shown by the arrow H in FIG. 8, the regulating member 31 is shown by the arrow J in FIG. Can be pushed or tapped from bottom to top. Accordingly, even when there is an obstruction and it is impossible to push in the regulating member 31 from one direction, it is very convenient because it can be pushed from the other direction.

(Second embodiment of the belt conveyor fence mounting structure)
FIG. 10 shows another embodiment of the belt conveyor fence mounting structure according to the present invention. The belt conveyor transport apparatus used in this embodiment is different from the belt conveyor transport apparatus of FIG. 2 in that the cover 6 that covers the carrier side portion 3a of the belt conveyor 3 is not provided. The other configuration is the same as that of the belt conveyor transport apparatus of FIG.

  In this embodiment, the carrier side portion 3a of the belt conveyor 3 is exposed to the outside. And the fence attachment structure 16 is being fixed to the proper place of the support | pillar 20 as a machine frame which supports the inclination roller 10, and the net | network member 11a as a fence is supported by the fence attachment structure 16. FIG. The net member 11a covers the side portion of the carrier side portion 3a of the belt conveyor 3 from the outside. A plurality of mesh members 11a are provided side by side along the direction perpendicular to the paper surface of FIG. 10 (the direction penetrating the paper surface), that is, the object conveying direction by the belt conveyor 3.

  As described above, in this embodiment, the side of the carrier side portion 3a of the belt conveyor 3 is covered with the mesh member 11a, and the side of the return side portion 3b of the belt conveyor 3 is covered with the mesh member 11. Yes. With this configuration, the mesh members 11 and 11a can prevent the operator from accidentally touching a movable part (for example, a roller, a motor, a pulley, a gear, a power transmission belt, etc.) attached to the belt conveyor 3.

(Third embodiment of the belt conveyor fence mounting structure)
FIG. 11B shows still another embodiment of the fence mounting structure according to the present invention. Fig.11 (a) has shown the whole belt conveyor conveying apparatus of the state which removed the fence from the apparatus of FIG.11 (b).

  11 (a) is different from the belt conveyor transport apparatus shown in FIG. 1 (a) in that the machine frame 4 in FIG. 11 (a) includes an oblique frame 25 which is a reinforcing structural element. It is that you are. The oblique frame 25 itself is formed in a U-shaped cross section having a substrate portion and an upright portion, like the vertical frame 9.

  In the belt conveyor fence shown in FIG. 1B, all of the fence mounting structure 16 is fixed to the upright portion 9b of the vertical frame 9, and the mesh member 11 as a fence is supported by the fence mounting structure 16. Yes. On the other hand, in this embodiment shown in FIG. 11B, a part of the fence mounting structure 16 is fixed to the upright portion of the oblique frame 25 instead of the vertical frame 9. One mesh member 11 is supported by the fence mounting structure 16 fixed to the vertical frame 9 and the fence mounting structure 16 fixed to the oblique frame 25. Thus, the fence attachment structure 16 can be fixed to an arbitrary machine frame in the belt conveyor transport device.

(Fourth embodiment of belt conveyor fence mounting structure)
12 and 13 show still another embodiment of the fence mounting structure according to the present invention. In the present embodiment, a small hole 38 is provided at an appropriate position of the first face plate 28, for example, at the center of the side edge of the first face plate 28 in FIG. . A curved hook 41 as a hooking member is provided at the tip of the wire 39.

  With this configuration, when the first face plate 28 is removed from the main body portion 17, the first face plate 28 can be suspended from the wire 12 or 13 of the net member 11, thereby preventing the first face plate 28 from being lost. . The hooking member is not limited to the curved hook 41 having the shape shown in the figure, and may have any shape or mechanism as required.

Normally, when the first face plate 28 is manufactured by press processing, a positioning hole is formed at a predetermined position. Such a small hole 38 for connecting the wire 39 can utilize such a positioning hole.
(Other embodiments)
The present invention has been described with reference to the preferred embodiments. However, the present invention is not limited to the embodiments, and various modifications can be made within the scope of the invention described in the claims.

  For example, in the above embodiment, the fence mounting structure according to the present invention is attached to the belt conveyor transport apparatus for ore transport used in the mine, but the fence mounting structure of the present invention is applied to the belt conveyor transport apparatus for ore transport. The present invention is not limited, and can be applied to any other belt conveyor conveyance device.

  In the above embodiment, the net member 11 is used as a fence, but the fence may be any member other than the net member, for example, a plate-like member, a plate-like fence, or the like. In this case, the mounting hole is formed at an appropriate position of the plate-like member, for example, as a long hole.

  In the above embodiment, in FIG. 4, the restriction member 31 is set to be rotatable and linearly movable with respect to the shaft member 33 by providing the restriction member 31 with the elongated hole 32. However, the restricting member 31 may be configured to perform only rotational movement with respect to the shaft member 33. In this case, the first face plate 28 is pressed or the movement of the first face plate 28 is restricted by the restricting member 31 that has been rotated and moved. In this case, it is desirable to provide a stopper mechanism, for example a ratchet mechanism, for preventing the reversing movement of the restricting member 31 that has rotated.

1. 1. driving roller; 2. driven roller; Belt conveyor, 3a. Carrier side (upward side), 3b. Return side (underside), 4. 4. Machine frame, Horizontal roller, 6. Cover, 7. Base frame, 8. 8. Conveyor frame (machine frame) Vertical frame (post), 9a. Substrate part, 9b. Standing part, 10. 10. inclined roller, Net member (fence), 11a. Net member (fence), 12. Frame wire, 13. Thin wire, 14. 15. mounting holes; Horizontal roller, 16. 16. Fence mounting structure Body part, 18. Attachment part, 19a, 19b. 20. Second face plate (second pinching member) Strut (machine frame), 21. Protrusion part, 21a, 21b. Angle material, 22. Riveting, 23. Groove, 24. Long nut, 25. 26. Oblique frame (machine frame) Bolts, 28. First face plate (first pinching member), 30. Opening, 31. Restriction member 31a, 31b. Long side, 31c. Long short side, 31d. Short short side, 32. 32. A long hole for guiding; 35. Bolt for shaft member Constant width portion, 35. Linear boss, 36. Opening, 38. Small holes, 39. 41. Wire (connection wire member) 41. curved hook (hook member); Lock nut

Claims (4)

(A) A belt conveyor fence mounting structure for installing a fence provided with a mounting hole around a belt conveyor supported by a machine frame,
(B) having a main body portion attached to the plate portion of the machine frame, a first pinching member attached to and detached from the main body portion, and a regulating member for restricting movement of the first pinching member;
(C) The main body is
(A) a mounting portion fixed to a plate material portion of the machine frame by a fixing means;
(B) a second pinching member provided with a contact surface that is integral with the mounting portion and that can contact the fence in a planar manner;
(C) a protruding portion protruding from the contact surface of the second sandwiching member,
(D) The protrusion can pass through the mounting hole of the fence,
(E) The regulating member is
(A) having a long shape having a long side facing each other and a short side facing each other;
(B) It is connected to the protrusion so that it can rotate but cannot be removed;
(C) The long side is rotatable between a first position where the second pinching member protrudes forward and a second position where the long side faces the second pinching member,
(F) The first pinching member is
(A) having a contact surface that can contact the fence in a planar manner;
(B) having an opening through which the short side of the regulating member and the protruding portion can pass;
(C) can move in a direction approaching or moving away from the second pinching member of the main body portion along the protruding portion;
(G) The restricting member is linearly movable with respect to the protruding portion when the restricting member is in the second position, and the restricting member moves the first sandwiching member to the second sandwiching member during the linear movement. Belt conveyor fence mounting structure characterized by pressing in the direction toward   The belt mounting structure for a belt conveyor according to claim 1, further comprising a connecting wire member for connecting the first pinching member and the fence. The belt conveyor has a carrier side portion that is a traveling portion that conveys an object, a return side portion that is a traveling portion that returns to a position for receiving an object, and a cover that covers the carrier side portion,
The machine frame is a plurality of frames arranged around a return side portion of the belt conveyor,
3. The belt conveyor fence mounting structure according to claim 1, wherein the fence is provided around a return side portion of the belt conveyor. The belt conveyor has a carrier side portion that is a traveling portion that conveys an object, and a return side portion that is a traveling portion that returns to a position for receiving the object,
The machine frame is a plurality of frames arranged around the carrier side portion and the return side portion of the belt conveyor,
3. The belt conveyor fence mounting structure according to claim 1, wherein the fence is provided around a carrier side portion and a return side portion of the belt conveyor.

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