JP6350844B2 - Conveyor roller with jetting function - Google Patents

Description

  The present invention relates to a conveyor roller, and more particularly to a conveyor roller having a jetting function.

  In a carrier roller conveyor apparatus widely used in the industrial field for transferring an object to be transferred, a plurality of conveyor rollers are installed as one unit. FIG. 1 is a longitudinal sectional view showing a conventional conveyor roller 10, and the conventional conveyor roller 10 is provided with a stopper ring 12 b in an annular groove formed at a position spaced from both ends of a shaft 12. In addition, a bearing 13 is provided outside the stopper ring 12b, and an end cap 14 is coupled to the outside of the bearing 13 integrally with the roller body 11. Then, both ends of the roller main body 11 are bent inward to form inward flanges 11a, and end caps 14 are inserted and joined to the inner sides of the inward flanges 11a formed at both ends of the roller main body 11, respectively. The end cap 14 is joined to the inward flange 11a by welding. Reference numeral 15 in FIG. 1 is provided in order to prevent misalignment of the bearing 13 due to a phenomenon in which the center lines of the shaft 12 and the end cap 14 do not coincide with each other or are inclined with respect to each other. 18 shows a housing member, 18 shows a cover for supporting the inner ring of the bearing 13 in the axial direction from the outside, and 19 is located inside the cover 18 in the axial direction so that the cover 18 and the labyrinth seal are attached. The sealing member 19 to be formed is shown. The roller body 11 is a hollow pipe and can be provided integrally with the end cap 14. The roller body 11 and the end cap 14 constitute a roller body, are supported by a bearing 13 with respect to the shaft 12, and are provided so as to be rotatable with respect to the shaft 12.

  Patent Document 1 describes another form of conveyor roller.

  As shown in FIG. 1 and FIG. 2 of Patent Document 1, the conveyor roller includes a hollow roller body 11, a shaft 12 provided by being inserted through the roller body 11, and the shaft 12 and the roller. A bearing 13 provided between the main body 11 and rotatably supporting the roller main body 11 with respect to the shaft 12 and a seal member provided on the outer side in the axial direction of the bearing 13. A seal-integrated bearing can be provided without the separate seal member.

  The conveyor roller is installed together with the conveyor belt in a state where the shaft 12 is supported. When the object to be conveyed is loaded on the belt conveyor and moved by the movement of the conveyor belt, the conveyor roller supports the conveyor belt upward. do. When the object to be conveyed is conveyed by the conveyor belt, the roller body 11 rotates with respect to the shaft 12 while the shaft 12 is supported by the movement of the conveyor belt. If the roller body 11 stops rotating with respect to the shaft 12 due to damage to the bearing 13 during use, friction occurs between the roller body 11 and the belt conveyor, causing the temperature to rise and causing a fire or the like. become.

  In the past, it was difficult to detect overheating, etc., and it was not possible to prevent the occurrence of a fire. In the event of a fire, the fire extinguisher must be used to extinguish the fire. In the case where the installation position of the conveyor roller 10 is difficult to approach, there is a problem that the initial fire suppression cannot be performed and the fire can be expanded to a large-scale fire.

Korean Public Utility Model No. 20-2010-0000112

  The present invention has been proposed in order to solve the problems of the prior art, and injects a propellant in the event of overheating or fire, can notify the occurrence of a fire, and can prevent a fire from occurring. Of course, it aims at providing the roller for conveyors which has the injection function which enabled initial fire extinguishing.

  For the above purpose, the present invention provides a hollow roller body in which a discharge hole communicating with the outside is formed, a shaft provided by being inserted into the roller body, and provided between the roller body and the shaft. A bearing rotatably supporting the roller body with respect to the shaft, a propellant provided in a space formed between the roller body and the shaft, and preventing the propellant from being discharged to the outside through the discharge hole. A conveyor roller is provided that includes a blocking member, and has a spraying function that causes a propellant to leak out through a discharge hole when the blocking function of the blocking member is lost.

  The discharge hole formed in the roller body is formed in the shaft.

  The blocking member has a sac shape provided in a space formed between a roller body and a shaft, and the propellant is accommodated in a sac-shaped blocking member.

  The blocking member has a film shape that blocks a discharge hole, and the propellant is housed in a space formed between a roller body and a shaft and blocked from the outside by the blocking member.

  The shaft is provided with a reflecting member that is positioned outside the discharge hole in the axial direction and extends in the radial direction, and the propellant discharged through the discharge hole collides with the reflecting member and changes the movement direction in the axial direction. It is characterized by that.

  The blocking member is a release valve that blocks the discharge hole, and the propellant is accommodated in a space formed between the roller body and the shaft and blocked from the outside by the blocking member.

  A nozzle member of a tubular body is connected to the discharge hole, and when the blocking function of the blocking member is lost, the propellant is guided through the nozzle member and discharged to the outside.

  On the other hand, the present invention includes a hollow roller main body, a shaft that is inserted into the roller main body to form a hollow portion, a discharge hole that communicates the hollow portion and the outside, and the roller main body and the shaft. A bearing that is provided in between and rotatably supports the roller body with respect to the shaft; a propellant that is accommodated in a hollow portion of the shaft; and a blocking member that prevents the propellant from being discharged to the outside through a discharge hole. When the blocking function of the blocking member is lost, a conveyor roller having a spraying function in which a propellant is leaked to the outside through a discharge hole is provided.

  The blocking member has a sac form located in a hollow portion, and the propellant is housed in a sac-shaped blocking member.

  The blocking member has a form of a film that blocks the discharge hole, and the propellant is accommodated in a hollow portion that is blocked from the outside by the blocking member.

  The blocking member is a release valve that blocks a discharge hole provided in the discharge hole, and the propellant is accommodated in a hollow portion that is blocked from the outside by the blocking member.

  The shaft is provided with a needle member that has a sharp end and extends toward the blocking member.

  When the nozzle member of the tube is connected to the discharge hole and the blocking function of the blocking member is lost, the propellant is guided through the nozzle member and discharged to the outside.

  The shaft is provided with a reflecting member that is located on the outer side in the axial direction from the discharge hole and extends in the radial direction. When the blocking function of the blocking member is lost, the propellant discharged through the discharge hole collides with the reflecting member and shaft It is characterized by changing the direction of movement to the inside of the direction.

  The propellant is formed by mixing one or more of a fire extinguishing agent, a dye, and a fluorescent material.

  The discharge hole is provided with whistle means.

  According to the conveyor roller having the jetting function according to the present invention, there is an effect that the jetting chemical is jetted at the time of overheating or fire. Even when installed in a place where access is not easy, there is an effect that self-extinguishing is possible. In addition, since the fluorescent substance is mixed with the propellant, it can be visually detected at the time of jetting, and an abnormal sound can be sensed audibly by a burst sound or whistle member generated when the blocking member bursts. There is also an effect.

The longitudinal direction sectional view which showed the roller for conveyors by a prior art. The longitudinal cross-sectional view which showed the roller for conveyors which has the injection function by this invention The longitudinal direction sectional view which showed the modification of the roller for conveyors which has the injection function by this invention. The longitudinal direction sectional view which showed the other modification of the roller for conveyors which has the injection function by this invention. The longitudinal cross-sectional view shown in order to demonstrate the other Example of the roller for conveyors which has the injection function by this invention. The partially expanded view of the longitudinal direction cross section which showed the other modification of the roller for conveyors which has the injection function by this invention.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 2 is a longitudinal sectional view showing a conveyor roller having a jetting function according to the present invention, and FIG. 3 is a longitudinal sectional view showing a modification of the conveyor roller having a jetting function according to the present invention. FIG. 4 is a longitudinal sectional view showing another modified example of the conveyor roller having the jetting function according to the present invention, and FIG. 5 is another embodiment of the conveyor roller having the jetting function according to the present invention. FIG. 6 is a longitudinal cross-sectional view shown for explanation, and FIG. 6 is a partially enlarged view of a vertical cross-section showing another modified example of the conveyor roller having an injection function according to the present invention.

  In the following description, the length direction of the shaft 105 is defined as the axial direction, the direction toward the center of the shaft 105 in the axial direction is defined as the axially inner side, and the direction toward both axial ends of the shaft 105 is defined as the axially outer side. The direction from the roller body 101 to the shaft 105 is the radially inner side, and the direction from the shaft 105 to the roller body 101 is the radially outer side.

  As shown in FIGS. 2 to 4, a conveyor roller 100 having a jetting function according to a preferred embodiment of the present invention includes a roller body, a shaft 105 inserted through the roller body in an axial direction, It comprises a bearing 107 that rotatably supports the roller body with respect to the shaft 105. The bearing 107 is provided between the roller body and the shaft 105 in the radial direction, and a plurality of the bearings 107 are provided apart from each other in the length direction of the shaft 105. The bearing 107 can be a rolling bearing having rolling elements, or a sliding bearing.

  The roller body includes a hollow roller body 101 and cap members 103 provided at both ends in the axial direction of the roller body 101. The roller body 101 is a hollow body having a circular cross section that is open on both sides, and supports the conveyor belt from below during installation. The roller body 101 can be made of metal or plastic. The cap member 103 is provided by being inserted into both ends of the roller main body 101, and the outer diameter surface is provided in contact with the roller main body 101. The cap member 103 can be provided by being inserted into the roller body 101 by an interference fit, and can be provided in the roller body 101 by welding and connecting the outer diameter side of the cap member 103. The roller body 101 and the cap member 103 can be integrally formed.

  A gap is formed in the radial direction between the inner diameter of the cap member 103 and the outer diameter of the shaft 105, and a bearing 107 is provided between the cap member 103 and the shaft 105. The outer ring of the bearing 107 is inserted into the inner diameter surface of the cap member 103 and comes into contact with the inner diameter surface, the shaft 105 is inserted into the inner ring, and the inner ring comes into contact with the outer diameter surface of the shaft 105. The shaft 105 is inserted into the inner ring of the bearing 107 in an interference fit relationship. The structure in which the bearing 107 is fixed in the axial direction can be mounted with a structure as described in Korean Patent Publication No. 10-2011-0127877, and detailed description thereof will be omitted. By providing the bearing 107 between the roller body and the shaft 105 as described above, the roller body is provided so as to be rotatable with respect to the shaft 105.

  2 to 4, reference numeral 109 denotes a seal member 109 that is provided outside the bearing 107 in the axial direction and prevents entry of foreign matter. The seal member 109 is provided by being inserted into the cap member 103. The shaft 105 is inserted into the seal member 109. The seal member 109 may include a first seal member 109a and a second seal member 109b that together form a labyrinth seal. Any one of the first seal member 109a and the second seal member 109b forming the maze by forming the seal member 109 is inserted into the inner diameter of the cap member 103, and the shaft 105 is inserted into the remaining one. Prepare. Both end portions of the shaft 105 protrude outward from the seal member 109 in the axial direction.

  As shown in FIGS. 2 to 4, the shaft 105 according to the present invention forms a hollow portion inside, and forms a discharge hole 105 a that communicates the hollow portion with the outside. One end portion of the discharge hole 105a communicates with the hollow portion, and the other end portion communicates with the outside. A propellant is accommodated in the hollow portion.

  The shaft 105 is formed with a hollow portion on the inside, and a discharge hole 105a for communicating the hollow portion with the outside. The discharge hole 105a can be formed on both sides in the axial direction with a hollow portion in between, or can be formed on one side in the axial direction of the hollow portion. The cross-sectional area of the discharge hole 105a can be formed smaller than the cross-sectional area of the hollow portion, and can be discharged at a high speed when the propellant stored in the hollow portion is discharged.

  The discharge hole 105a can extend from the hollow portion to the outer end in the axial direction to the end of the shaft 105 and communicate with the outside. The discharge hole 105a can be formed in a form that extends radially outward from the hollow portion and then extends in the radial direction to communicate with the outside. And after extending in a radial direction, it can form in the form extended so that it may incline in the axial direction again. When extending to the end of the shaft 105 outward in the axial direction, the propellant is ejected and ejected in the axially outward direction, and ejected and ejected in the direction toward the end of the discharge hole 105a.

  As shown in FIG. 6, a reflection member 128 having a configuration extending in the radial direction can be further provided. The reflection member 128 is formed in a circular plate shape, and is inclined so as to approach the inner side in the axial direction toward the end. It can also be formed by being curved in a convex shape toward the outside in the axial direction. The reflection member 128 can be fixedly installed on the roller body or can be fixedly installed on the shaft 105. When fixing to the roller body, rotate together with the roller body. The reflection member 128 is provided at a position spaced from the outer end of the discharge hole 105a and facing the outer end of the discharge hole 105a. Reference numeral 128a in FIG. 6 shows a rod-like connecting member for fixing the plate-like reflecting member 128. One end of the connecting member 128 a is connected to the roller body and the shaft 105 and the other end is connected to the reflecting member 128 so that the reflecting member 128 is fixedly installed on the roller body and the shaft 105.

  As shown in FIG. 6, the discharge hole 105a is formed so as to extend from the hollow portion to the end of the shaft 105 in the axially outer side and communicate with the outside, and the reflecting member 128 is formed at the outer end of the discharge hole 105a. If it is installed in a position that is axially separated from the portion and faces the discharge hole 105a, the sprayed medicine discharged and discharged through the discharge hole 105a collides with the reflecting member 128, and then changes the movement direction to the inner side in the axial direction. And sprayed onto the shaft 105. When the shape of the reflecting member 128 is inclined so as to approach the inner side in the axial direction as it goes to the end, the propellant changes its motion direction inward in the axial direction and radially inward after colliding with the reflecting member 128.

  The shaft 105 is provided with a blocking member 111 that blocks the propellant contained in the hollow portion from leaking outside through the discharge hole 105a. As shown in FIGS. 2 and 3, the blocking member 111 has a sealed sac form located in the hollow portion of the shaft 105, and the propellant is accommodated in the sac-shaped blocking member 111. The blocking member 111 has a sac shape in which a closed space is formed, and the propellant is accommodated in the closed space of the blocking member 111.

  As shown in FIG. 4, the blocking member 111 may be in the form of a film that blocks the discharge hole 105a. The blocking member 111 can be provided so as to adhere to a step formed between the hollow portion of the shaft 105 and the discharge hole 105a to block the discharge hole 105a. The blocking member 111 is provided in a state where an end portion is bonded to a stepped portion. The blocking member 111 may be provided so as to adhere to the axial end of the shaft 105 and block the discharge hole 105a. The propellant is accommodated in a hollow portion that is a space portion that is blocked from the outside by blocking the discharge hole 105a by the blocking member 111.

  The blocking member 111 is made of a synthetic resin film such as vinyl. The blocking member 111 may be cut in advance so that it can be easily ruptured.

  The shaft 105 may include a needle member 124 having a sharp end and extending toward the blocking member 111. The needle member 124 is provided so as to extend inward in the axial direction toward the blocking member 111. In the installed state, the end of the needle member 124 is installed so as to be separated from the blocking member 111. The needle member 124 can be fixedly installed in the hollow portion.

  Meanwhile, the blocking member 111 may be a release valve that is installed in the discharge hole 105a and blocks the discharge hole. When the blocking member 111 is formed by the release valve, when the pressure in the hollow portion increases, the release valve opens and the propellant is discharged to the outside through the discharge hole 105a.

  As shown in FIGS. 2 to 4, the shaft 105 is a hollow body pipe and includes a first closing portion 130 and a second closing portion 120 at both ends, so that the first closing portion 130 and the second closing portion are provided. A hollow portion can be formed between the portion 120 and the portion 120. The propellant can be accommodated and provided in a space formed by the blocking member 111, the first closing portion 130, the second closing portion 120, and the shaft 105 of the hollow body pipe.

  It is also possible to form the shaft 105 so that one side is closed and only the other side is open, and only the part opened to the one side is closed by the first closing part 130 or the second closing part 120. .

  As shown in FIGS. 2 and 3, the blocking member 111 is formed in the form of a sealed sac made of a synthetic resin such as vinyl. The propellant is accommodated in the blocking member 111 and the propellant is accommodated. The cut-off member 111 is inserted into the hollow pipe forming the shaft 105 so as to be positioned between the first closing portion 130 and the second closing portion 130. The blocking member 111 is formed in a size having an interval from the first closing part 130 and the second closing part 130 in the axial direction. When the blocking member 111 is installed, one side in the axial direction may be installed in contact with the first closing part 130 and the other side may be separated from the second closing part 130, and one side from the first closing part 130. The other side may be installed so as to be in contact with the second closing part 130, and both sides may be installed so as to be separated from the first closing part 130 and the second closing part 130.

  The first closing part 130 for closing one end of the hollow pipe is inserted into one end of the hollow body pipe forming the shaft 105, the first closing member 131 having a screw fastening groove formed in a concave surface on the outer side in the axial direction, and the first closing member 130. It is inserted into the hollow pipe so as to be positioned on the outer side in the axial direction of the member 131, and extends inward in the axial direction through the second closing member 133 through which the screw hole is formed and the screw hole of the second closing member 133. The first fastening screw 135 is screwed into the screw fastening groove of the first closing member 131. The head of the first fastening screw 135 presses the second closing member 133 inward in the axial direction.

  The first closing member 131 is fitted into a hollow body pipe, and the second closing member 133 is fixed to the first closing member 131 by screw fastening of a first fastening screw 135. The second closing member 133 has a first flange portion 133a that is expanded in the radial direction. The outer diameter of the first flange portion 133a is larger than the outer diameter of the hollow body pipe and is located outside the bearing 107. The seal member 109 is pressed and supported in the axial direction.

  A second closing part 120 for closing the other end of the hollow pipe is inserted into the other end of the hollow pipe forming the shaft 105, and a third closing member 121 having a screw fastening groove formed in a concave surface on the outer side in the axial direction; Inserted into the hollow pipe so as to be positioned on the outer side in the axial direction of the third closing member 121, the fourth closing member 123 having a screw hole formed therethrough, and passing through the screw hole in the fourth closing member 123 in the axial direction The second fastening screw 125 extends inward and is screwed into the screw fastening groove of the third closing member 121. The head of the second fastening screw 125 presses the fourth closing member 123 inward in the axial direction.

  The third closing member 121 is fitted into a hollow body pipe, and the fourth closing member 123 is fixed to the third closing member 121 by fastening a second fastening screw 125. The fourth closing member 123 has a second flange portion 123a that is radially expanded. The outer diameter of the second flange portion 123a is larger than the outer diameter of the hollow body pipe and is located outside the bearing 107. The sealing member 109 to be pressed is supported in the axial direction. The third closing member 121 is formed with a through hole extending inward in the axial direction from the screw fastening groove, and the second fastening screw 125 is a hollow screw having a through hole formed in the axial direction. The needle member 123 can be provided inward in the axial direction at the inner end of the third closing member 121.

The hollow portion of the shaft 105 is formed between the first closing portion 130 and the second closing portion 120, and the discharge hole that communicates the hollow portion with the outside is the through hole formed in the third closing member 121 and the second hole. It is formed by a through hole formed in the fastening screw 125. The blocking member 111 may be in the form of a plate-like film, and may be provided with a structure in which the discharge hole is closed by adhering to the axially inner end of the third closing member 121 with an adhesive. It is also possible to make both sides of the shaft 105 have the same structure as the second closing part 120 and to form discharge holes on both sides of the hollow part.

  A reflective member 128 is provided on the side where the discharge hole is formed. The reflection member 128 is spaced apart from the outer end of the discharge hole in the axial direction and is positioned to face the discharge hole. The reflecting member 128 can be fixedly installed at the end of the shaft 105 by a plurality of bar-shaped connecting members 128a. One end of the connecting member 128 a is fixedly connected to the shaft 105, extends in the axial direction, and the other end is fixedly connected to the reflecting member 128.

  As shown in FIG. 5, a substantially cylindrical space is formed between the inside of the roller body and the shaft 105. The propellant can be provided in a space formed between the roller body and the shaft 105. One or more sac-shaped blocking members 111 having a closed space in a space (S) formed between the roller body and the shaft 105 can be provided, and the propellant is formed on the blocking member 111. Provided in the space. Bearings 107 and seal members 109 are provided on both axial sides of the blocking member 111. The sac-shaped blocking member 111 is provided so as to cover the shaft 105. The blocking member 111 can be provided with a structure in which a substantially cylindrical closed space is formed and the shaft 105 is inserted into the blocking member 111. The shaft 105 is inserted inside the blocking member 111 in the radial direction, and the blocking member 111 and the shaft 105 are in contact with each other on the inside to fix the blocking member 111 to the shaft 105.

  A gap is formed between the radially outer surface of the blocking member 111 and the radially inner surface of the roller main body 101, and when the conveyor roller 100 is operated, the gap is between the blocking member 111 and the roller main body 101. Avoid friction.

  Alternatively, the conveyor roller 100 operates so that the radially outer surface of the blocking member 111 is in contact with the radially inner surface of the roller body 101 and a gap is formed between the radially inner surface of the blocking member 111 and the shaft 105. In this case, the blocking member 111 can be rotated integrally with the roller body 101. When the blocking member 111 rotates integrally with the roller body 101, the effect of mixing the propellant stored in the blocking member 111 occurs.

  A structure in which a sac-shaped blocking member 111 having a closed space portion is provided in a space (S) formed between the roller body and the shaft 105, and the propellant is provided in the space portion formed in the blocking member 111. The discharge hole can be formed in the roller body 101 so as to face the axial direction, or can be formed in the cap member 103. In FIG. 5, the reference numeral 103 a is an example of the discharge hole, which is an example of being formed in the cap member 103, and an example in which the discharged propellant is formed radially inward so as to face the shaft 105. Is shown.

  A reflection member 128 is provided so as to face the discharge hole. The reflection member 128 is formed of a conical annular plate, and the shaft 105 can be provided by inserting the shaft 105. The reflecting member 128 is preferably inclined so as to approach the roller body as the diameter increases, and has a size facing the discharge hole. When the blocking member 111 is ruptured and the propellant is discharged through the discharge hole, the direction of movement is changed in contact with the reflecting member 128 and becomes axially and radially inward.

  Although not shown in FIG. 5, the needle member as shown in FIGS. 2 to 4 may be configured to be installed on the roller body 101 or the cap member 103 and extend toward the blocking member 111. Although not shown in FIG. 5, the discharge hole may be formed in the shaft 105 so that the space where the blocking member 111 is located communicates with the outside.

  As shown in FIGS. 2 to 4, a nozzle member 127 can be provided so as to be connected to the discharge hole and communicate with the hollow portion. The nozzle member 127 is provided in a discharge hole formed in the shaft 105 and a discharge hole formed in the roller body. The nozzle member 127 is a hollow tube having both ends opened, and one end of the nozzle member 127 can be inserted into the discharge hole. As described above, when the one end portion of the shaft 105 is formed in the second closing portion 120, the end portion of the nozzle member 127 is provided by being inserted into the through hole of the second fastening screw 125. Therefore, the propellant stored in the hollow portion is guided through the nozzle member 127 and leaks outside. The nozzle member 127 can be provided on the shaft 105 by screw connection or welding connection.

  The nozzle member 127 is bent as shown in FIG. 2 to guide the ejected medicine to be discharged. Part of the nozzle member 127 is inserted into the shaft 105, and the remaining part extends outward in the axial direction, and a first extension 127a exposed from the end of the shaft 105 and outward in the radial direction. A second extension 127b is provided that is inclined so as to be inward in the axial direction. The inclination angle (θ) of the second extension 127b with respect to the axial direction can be set to 70 degrees. The end of the second extension 127b is located radially inside the outer diameter of the roller body 101, and the second extension 127b has an extension line of the second extension 127b outside the roller body 101. It is formed so as to be inclined so as to be located outside in the axial direction from the radial end. Therefore, the propellant that leaks through the second extension portion 127b is applied to the upper portion of the roller body 101.

  The nozzle member 127 includes a plurality of second extension portions 127b branched from the first extension portion 127a, and the second extension portion 127b is provided to have an angle in the circumferential direction, so that the propellant can be sprayed at various angles. You can make it ugly. Alternatively, a plurality of discharge holes may be formed, and a plurality of nozzle members 127 may be provided by connecting the nozzle members 127 to the respective discharge holes.

  The needle member 124 is provided so as to extend inward from the axially inner side of the third closing member 121. The end of the needle member 124 is separated from the blocking member 111. Without the needle member 124 as described above, the inner end in the axial direction of the nozzle member 127 is sharply formed, and the nozzle member 127 passes the inner end in the axial direction of the third closing member 121 toward the blocking member 111. It is possible to extend the installation.

  The exhaust hole may be provided with whistle means (not shown) that generates sound by gas flow. When the nozzle member 127 is connected to the discharge hole, the nozzle member 127 can be provided with whistle means.

  The propellant can comprise a fire extinguishing agent and can perform a fire extinguishing function during injection. Moreover, a fluorescent substance and a pigment | dye can be included and a zinc silicate, a cadmium silicate, a calcium halophosphate etc. can be mentioned as an example of a fluorescent substance. The propellant can be made by mixing a fire extinguishing agent and a fluorescent material. By mixing the dye and fluorescent substance of the propellant, an effect that enables visual detection at the time of jetting occurs. As the dye, a natural dye or a synthetic dye can be used. The dye can be included in the form of a solid powder.

As a fire extinguishing agent, an acid-alkaline fire extinguishing agent in which sodium hydroxide (2NaHCO ₃ ) and sulfuric acid (+ H ₂ SO ₄ ) are mixed, a fire extinguishing agent in which potassium carbonate (K ₂ CO ₃ ) and sulfuric acid (+ H ₂ SO ₄ ) are mixed, A fire extinguishing agent in which sodium carbonate (6 NaHCO ₄ ) and hydrous aluminum sulfate (Al ₂ (SO ₄ ) ₃ 18H ₂ O) are mixed, such as halon 1301, halon 1211, halon 2402, and halon 104 can be used. .

  As shown in FIG. 3, the conveyor roller 100 having a jetting function according to the present invention may further include an accumulator member 113 that expands in response to a temperature rise in the hollow portion of the shaft. When the propellant is provided in the space (S) formed between the roller body and the shaft 105 as shown in FIG. 5, the accumulator member is formed between the roller body and the shaft 105, although not shown. Space (S).

  The accumulator member may be provided at a position that operates to pressurize the propellant to the discharge hole while expanding. When the blocking member 111 is formed in the form of a sac and the propellant is accommodated in the blocking member 111, the accumulator member 113 can be provided to be located on the opposite side of the discharge hole. The blocking member 111 is located between the accumulator member 113 and the discharge hole.

  The accumulator member 113 includes a support member 1131 that opens toward the discharge hole and a moving member 1133 that is slidable in the axial direction in the support member 1131. In FIG. 3, a reference numeral 1137 indicates a seal member provided between the inner diameter surface of the support member 1131 and the inner diameter surface of the moving member 1133, and 1135 is a support member 1131 on the opposite side of the moving member 1133. Fig. 2 shows a fastening screw which is screwed. A space formed between the support member 1131 and the moving member 1133 is filled with an inflation gas. An example of the filling gas is nitrogen gas.

  When the conveyor roller 100 having a jetting function according to the present invention is mounted and rotated, the bearing 107 does not rotate due to damage or the like, and frictional heat is generated between the conveyor belt and a fire is generated by the frictional heat. When the temperature of the storage part in which the propellant is stored increases, the volume increases due to the temperature increase, and the blocking member 111 expands. When the accumulator member 113 is provided, the expansion gas filled in the space formed between the support member 1131 and the moving member 1133 also expands, and the moving member 1133 slides toward the end of the support member 1131. And pressurizing the propellant.

  When the blocking member 111 is ruptured by expansion, the propellant is discharged through the discharge hole. When the reflection member 128 is provided, the propellant discharged through the discharge hole collides with the reflection member 128 to change the movement direction, and moves inward in the axial direction. When the nozzle member 127 is provided, it is guided through the nozzle member 127 and discharged to the outside, leaks from the end of the second extension 127b, and is rolled up above the conveyor roller 100 having a jetting function. . When the second extension portion 127b is provided in a plurality of branches or a plurality of nozzle members 127 are provided, the second extension portion 127b is discharged in multiple directions.

  When the blocking member 111 is composed of a release valve, the release valve is opened due to an increase in pressure and discharged to the outside.

  When the propellant is made of fire extinguishing agent, the extinguishing agent is injected and fire extinguishing action is performed at the initial stage of the fire. . When the needle member 124 is provided, the blocking member 111 that expands contacts the needle member 124 and ruptures. On the other hand, when the exhaust hole and the nozzle member 127 are provided with whistle means for generating sound, there is an effect that a fire alarm can be given by the sound.

According to the conveyor roller having an injection function according to the present invention, there is an effect that the injection chemical is injected at the time of overheating or fire, and since the injection chemical is made of a fire extinguishing agent and has a fire extinguishing function at the time of injection, overheating is prevented and the initial stage Fire extinguishing is possible, and even when installed in a place where access is not easy, there is an effect that self-extinguishing is possible. In addition, by mixing a fluorescent substance with the propellant, it can be visually detected at the time of jetting, and an effect of audibly informing the abnormality by a bursting sound or whistle member generated when the blocking member bursts. There is also.

Claims (18)

  A hollow roller body having a discharge hole communicating with the outside, a shaft provided by being inserted into the roller body, and a bearing provided between the roller body and the shaft so as to rotatably support the roller body with respect to the shaft. And a blocking agent that prevents the propellant from being discharged to the outside through a discharge hole, and the blocking function of the blocking member is lost. Then, the conveyor roller having a jetting function is characterized in that the jetting chemical is leaked to the outside through the discharge hole.   2. The conveyor roller according to claim 1, wherein the discharge hole formed in the roller body is formed in a shaft.   The said blocking member consists of a sac form provided in the space formed between the said roller main body and a shaft, The said injection | pouring medicine is accommodated in the sac-shaped blocking member, The Claim 1 characterized by the above-mentioned. Conveyor roller with injection function.   The blocking member is in the form of a film blocking the discharge hole, and the propellant is housed in a space formed between the roller body and the shaft and blocked from the outside by the blocking member. Item 2. A conveyor roller having the jetting function according to Item 1.   The shaft is provided with a reflecting member that is positioned outside the discharge hole in the axial direction and extends in the radial direction, and the propellant discharged through the discharge hole collides with the reflecting member and changes the moving direction in the axial direction. The roller for conveyors which has the injection function of Claim 1 characterized by the above-mentioned.   The blocking member is a release valve that blocks a discharge hole, and the propellant is accommodated in a space formed between a roller body and a shaft and blocked from the outside by the blocking member. Item 2. A conveyor roller having the jetting function according to Item 1.   2. The nozzle member of a tubular body is connected to the discharge hole, and when the blocking function of the blocking member is lost, the propellant is guided through the nozzle member and discharged to the outside. The roller for conveyors which has the injection | emission function of description.   A hollow roller body, a shaft formed by being inserted into the roller body, a hollow portion is formed, and a discharge hole that communicates the hollow portion and the outside is formed, and the shaft is provided between the roller body and the shaft. A bearing that rotatably supports the roller body; a propellant stored in a hollow portion of the shaft; and a blocking member that prevents the propellant from being discharged outside through a discharge hole. When lost, the roller for conveyors which has a jetting function characterized by leaking a spraying agent outside through a discharge hole.   The roller for a conveyor having a jetting function according to claim 8, wherein the blocking member has a sac form located in a hollow portion, and the spray medicine is accommodated in a sac-shaped blocking member.   The said blocking member consists of a form of the film | membrane which interrupts | blocks a discharge hole, The said injection chemical | medical agent is accommodated in the hollow part interrupted | blocked by the blocking member and the exterior, It has an injection function of Claim 8 Conveyor roller.   The said blocking member is a release valve installed in the discharge hole to block the discharge hole, and the propellant is accommodated in a hollow portion that is blocked from the outside by the blocking member. Conveyor roller having a jetting function.   The roller for a conveyor having an injection function according to claim 8, wherein the shaft is provided with a needle member formed with a sharp end and extending toward the blocking member.   9. The discharge hole is connected to a nozzle member of a tubular body, and when the blocking function of the blocking member is lost, the propellant is guided through the nozzle member and discharged to the outside. A roller for conveyor having the jetting function described.   The shaft is provided with a reflecting member that is located radially outside the discharge hole and extends in the radial direction. When the blocking function of the blocking member is lost, the propellant discharged through the discharge hole collides with the reflecting member. The conveyor roller having a jetting function according to claim 8, wherein the moving direction is changed inward in the axial direction.   2. The conveyor roller according to claim 1, wherein the spraying agent is a mixture of at least one of a fire extinguishing agent, a dye or a fluorescent substance.   9. The conveyor roller according to claim 8, wherein the spraying agent is a mixture of at least one of a fire extinguishing agent, a dye or a fluorescent substance.   The conveyor roller according to claim 1, wherein the discharge hole includes whistle means.   The conveyor roller according to claim 8, wherein the discharge hole includes whistle means.

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