JP5451200B2 - Carrier stand for belt conveyor - Google Patents

Description

  The present invention relates to a carrier stand for a belt conveyor, and relates to a disassembly and assembly type carrier stand.

  Roller support carrier stand for supporting the belt of the belt conveyor, each horizontal bar material of dotted arrangement with both ends attached to both upper surfaces of the conveyor frame, and standing side stands provided at both ends of the bar material, It consists of an instand provided opposite to the central part of the bar material, and a U-shaped bearing notch provided downward from the upper end surface of the side stand and the instand has a rotation support shaft of the side roller and the center roller. Bearings are made while engaging notched grooves provided at both ends by cutting them in parallel with each other with respect to the axis thereof (see, for example, Patent Document 1 and Patent Document 2).

  In addition, there is one in which the carrier stand can be tilted so that the roller can be replaced (for example, see Patent Document 3).

No. 7-32487 Japanese Patent No. 2672075 JP-A-11-189319

  By the way, as for each instand and side stand which stand up from the bar material of patent documents 1 and 2, the lower end of the instand and the side stand is fixed to the upper surface of the bar material by welding.

  According to such a configuration, non-uniformity and distortion of the weld bead may cause defective products, and spatter adhesion removal work is required, and in addition, a piece of iron or a bar inserted into the belt during operation contacts the stand. If the stand bends due to an influence such as the above, it is not possible to replace only the affected stand, so the entire carrier stand needs to be replaced.

For this reason, the problem which raises cost significantly occurred.
Of course, there is a disadvantage that the partially corroded portion cannot be replaced.

  In particular, since the stands before shipment are fixed to the bar material by welding, the stand is bulky and requires a large space for storage.

  Further, the three rollers supported by the in-stand and the side stand are arranged in series on a plane.

  As a result, there is a problem that a gap is formed between the opposed end surfaces of the side roller and the center roller, and a problem that the belt bites into the gap occurs.

  Furthermore, according to the tilting method of the carrier stand of Patent Document 3, one side edge of the horizontal bar constituting the carrier stand and the frame mounting plate are attached via a hinge structure.

  Then, the raising / lowering (tilting) of the carrier stand is limited only to the arrangement side of the hinge structure, that is, the illustrated low side of the conveyor, and only to the arrangement side of the stopper.

  For this reason, there has been a problem that the replacement work position of the worker accompanying the replacement of the roller is subject to the restriction that the stopper must stand by on the stopper side.

  This problem is because the carrier stand cannot be tilted in the opposite direction of the stopper when waiting on the opposite side of the stopper arrangement.

  In the present invention, the carrier stand is disassembled and assembled, and the arrangement of the side rollers and the center rollers that are supported in a zigzag pattern on the plane, or the carrier stand is tilted in the direction opposite to the belt running direction and the running direction. The above-mentioned problem is solved by adopting a method of making

  That is, the invention of claim 1 is an inversion of a metal plate disposed in an upright manner between a pair of parallel seating members in which both ends are attached to both upper surfaces of the conveyor frame via fastening metal fittings, and both ends of the seating member. It comprises a U-shaped bending side stand and a pair of instands of an inverted V-shaped bending process of a metal plate arranged in an upright manner in the central portion of the seating material. The engagement of the holes and holes on one side and the projections on the other side prevent the disengagement by the engagement relationship by fitting into the opposite surface to the side where the parallel seating member is arranged at the lower end of the stand and maintain the standing posture. A notch groove provided on the outer ends of the rotation support shafts of the side roller and the center roller in a direction parallel to the axis from the upper end of the side stand and the upper end of the in stand downward. Fall A belt carrier stand for conveyor provided with a notch of the write engagement.

  According to a second aspect of the present invention, in the conveyor carrier stand according to the first aspect, the support shaft inserted from one side of the seat member to the other side passes through the lower end of the side stand and rotates the side stand outward. A configuration in which tightening means is provided on the support shaft is adopted.

  According to a third aspect of the present invention, in the carrier stand for conveyor according to the first aspect, the notch of the instand is provided with a notch groove formed by being cut off at both ends in parallel to the axis thereof. A horizontal non-rotating arm is provided that extends horizontally along the side edge of the belt from both ends of the auxiliary shaft, and is provided downward from the upper edge of the protruding direction end of both arms. A configuration is adopted in which a notch groove on both ends of the rotation support shaft of the center roller is dropped into the notch and engaged.

According to a fourth aspect of the present invention, in the carrier stand for conveyor according to the first aspect, the notch of the instand is provided with a notch groove provided at both ends by being cut parallel to the axis thereof. Then, the auxiliary shaft is horizontally mounted, and the end of the arm is rotatably attached to a support member provided non-rotatably at both ends of the auxiliary shaft, and is provided at the tip of both arms from the upper edge downward. engagement darken the ends notched groove of the rotation shaft of the center roller to the notch, prevented from pivoting to the arm inclination direction of the upright posture in which contact state and the center roller and the belt to the support member A configuration provided with a stopper device is employed.

  According to a fifth aspect of the invention, in the conveyor carrier stand according to the first aspect, a structure is provided in which the means for preventing the rotation of the rotation support shaft from being freely inserted and removed is provided above the rotation support shaft of the upper end side roller of the side stand. It is a thing.

  The invention of claim 6 includes a seating material, a side stand that stands up from both ends of the seating material, a pair of instands that stand up from the center of the seating material, and a lower side from the upper ends of the instand and the side stand. The notch provided for the side stand, the notch of the side stand and the instand, and the notch of both instands are provided with notch grooves provided at both ends of the rotary support shaft so as to be cut parallel to the axis. In the carrier stand composed of the side roller and the center roller that are supported together, leg seats are provided on both upper surfaces of the conveyor frame, and both ends of the carrier stand seating material are horizontally supported on the leg seats. The carrier stand is attached to the belt so that it can be raised and lowered in the direction of travel, and the carrier stand is maintained upright in the vicinity of the support shaft. A belt carrier stand conveyor provided with control means capable.

  According to the carrier stand for a belt conveyor of the present invention, the engaging relationship between the side stand and the instand engaging portion arranged in the engaging portion of the pair of parallel seating members attached to the upper surfaces on both sides of the conveyor frame is engaged. In addition, the side roller and the center roller are installed while maintaining a stable standing posture of the side stand and the instand due to the engagement relationship, so that troublesome welding work and welding bead irregularities and distortion are prevented. Inconvenience due to occurrence and removal work of adhering spatter becomes unnecessary, and it is very easy to replace only the stand where the inconvenience occurred. Therefore, unlike the fixing method by welding, removal of all the stands can be eliminated, especially assembly / disassembly method Can be delivered in the state of parts, and it is low in bulk, so it has a wide inventory. Location along with the do not require, it is possible to achieve a significant reduction, such as transportation costs.

  Further, since the side stand can be tilted with respect to the seating member by loosening the fastening means, the replacement operation of the side rollers can be performed very smoothly, and the installation work is facilitated.

  Furthermore, by arranging the auxiliary shaft horizontally on the instand and installing the center roller between both arms of the auxiliary shaft, the arrangement of the side roller and the center roller can be staggered on a plane.

  For this reason, it is possible to eliminate the cause of the belt biting between the roller ends generated because the side roller and the center roller are linearly arranged on the plane. The problem that the durability of the belt is remarkably lowered can be eliminated, and the end of the side roller and the end of the center roller can be overlapped by increasing the distance between the arms.

  Further, since the arm can be tilted by releasing the stop of the horizontal posture of the arm by the stopper device, the replacement operation of the center roller installed between the arms can be performed very easily.

  In addition, since the upper side of the side stand is provided with a means for preventing the side roller's rotating support shaft from lifting, for example, the lifting of the outer end of the side roller's rotating support shaft due to the meandering of the belt is stopped. The stable engagement relationship can be maintained.

  In addition, the seating material can be tilted together with the assembled side stand and instand of each assembled roller by releasing the prevention of falling by the undulation prevention means, so that the side roller and center roller can be installed and replaced extremely. Become smooth.

  In particular, by using the carrier stand of the present invention in a belt conveyor device, the roller replacement operation can be speeded up, and the belt can be protected and the life can be extended.

FIG. 1 is an exploded perspective view of a portion of a side stand showing the first embodiment. FIG. 2 is an exploded perspective view of a portion of the instand. FIG. 3 is a front view showing the assembled state. FIG. 4 is a longitudinally enlarged side view of the above. FIG. 5 is a front view of the second embodiment. FIG. 6 is a longitudinal side view showing the main part of the above. FIG. 7 is a front view of the side stand tilted. FIG. 8 is an exploded front view showing the third embodiment. FIG. 9 is a plan view in which the center roller is set. FIG. 10 is a plan view showing another example of the center roller. FIG. 11 is a front view of the above. FIG. 12 is a front view in which side rollers and a center roller are arranged in series. FIG. 13 is a plan view showing the fourth embodiment. FIG. 14 is a partially cutaway enlarged plan view showing the main part of the above. FIG. 15 is a longitudinal side view of the same. FIG. 16 is a longitudinal side view showing a tilted state. FIG. 17 is a side view showing the fifth embodiment. FIG. 18 is a longitudinal side view of the same. FIG. 19 is a cross-sectional plan view of the same. FIG. 20 is a front view showing the sixth embodiment. FIG. 21 is a partially cutaway enlarged front view showing the main part of the above. FIG. 22 is a longitudinal side view of the same. FIG. 23 is a longitudinal sectional side view showing the tilted state.

  Next, embodiments of the present invention will be described with reference to the accompanying drawings.

  In the first embodiment of the present invention, as shown in FIGS. 1 to 4, both ends of a pair of seating members 3, 3 arranged in parallel are attached to the upper surfaces of both sides of the conveyor frame 1 via fastening brackets 2.

  The parallel seat members 3 and 3 are provided in a scattered manner at the arrangement positions of the pair of left and right side rollers 4 and the center roller 5 (arranged at a predetermined interval in the front and rear directions). In the illustrated case, the angle material is cut into pieces, the horizontal walls of the angle are placed on the upper surfaces of both sides of the conveyor frame 1, and the through holes 6 are formed in the through holes 6 of the conveyor frame 1 and the horizontal walls of the seating material 3. 7, after inserting the bolt of the fastening bracket 2, the nut of the fastening bracket 2 is screwed into the bolt of the fastening bracket 2.

  At this time, the through-hole 7 is formed as a long hole that is long in the left-right direction so that it can be moved slightly during mounting.

8 is a pair of left and right side stands formed by bending an inverted U-shaped metal plate.
9 is a pair of left and right instands formed by bending an inverted V-shaped metal plate.

  Further, the vertical surface of the seating material 3 and the belts of the side stand 8 and the instand 9 are located at the positions where the side stands 8 at both ends of the seating materials 3 and 3 are arranged and at the positions where the instands 9 of the seating materials 3 and 3 are arranged. The engagement portion 10 of the hole or hole on one side and the engagement portion of the protrusion on the other side are prevented from being separated by the engagement relationship by fitting into the lower end surfaces (opposite surfaces) on both sides in the longitudinal direction of A and maintaining the standing posture. 11 is provided.

  The engaging portion 10 is a long hole in the vertical direction, and the U-shaped notches 12 are punched and dropped at the lower portions of both sides of the side stand 8 and the instand 9 in the engaging portion 10 of the long hole. An engaging portion 11 having a plate-thick protrusion is formed below the notch 12.

  Of course, the hole or hole engaging portion 10 is not limited to the punched hole shown in the figure, and may be a press-formed hole.

  Further, as is well known, notched grooves 14 are provided at the upper ends of the side stand 8 and the instand 9 at both ends of the rotation support shafts 13 of the side roller 4 and the center roller 5 so as to be cut parallel to each other. In the case of the side stand 8, the notch 15 is provided on the inner surface from the upper surface, and in the case of the instand 9, both the inner surface and the outer surface are provided from the upper surface.

When configured as described above, a pair of seating members 3 and 3 arranged in parallel on the inner upper surface of the conveyor frame 1.
Are attached to each other via the fastening bracket 2.

  At that time, both ends of one seating material 3 are fixed by tightening the fastening bracket 2, and the fastening brackets 2 at both ends of the other seating material 3 are loosened so that the sliding movement of the seating material 3 is possible. deep.

  Next, after engaging the engaging portions 11 on one side of the side stand 8 and the instand 9 with the engaging portions 10 of the seating material 3 on the fastening and fixing side by the fastening hardware 2, the fixed side While the loose fastening side seating material 3 of the fastening bracket 2 is slid in the direction of the seating material 3, each of the remaining one side engagements of the side stand 8 and the instand 9 is engaged with each engaging portion 10 of the slidable seating material 3. The part 11 is fitted and engaged.

  Next, both ends of the seat member 3 are fixed by tightening the tightening metal fitting 2 that is loosened while maintaining the above-mentioned engagement relationship.

  Then, the side stand 8 and the instand 9 can be erected with respect to the seating materials 3 and 3.

  After that, the notch 15 of the rotation support shaft 13 of the side roller 4 and the center roller 5 is dropped and engaged with the notch 15 of the opposite side stand 8 and the instand 9 and the notch 15 of the opposite instand 9. Then, the side roller 4 and the center roller 5 are supported.

  Then, the side stand 8 and the instand 9 can be attached to the seat member 3 by an assembly method without being fixed by welding.

According to the second embodiment of the present invention, as shown in FIGS. 1, 5 and 6, both ends of the parallel seating materials 3 and 3 are fastened to the upper surfaces on both sides of the conveyor frame 1 similar to the first embodiment. In a situation where the side stand 8 and the instand 9 are erected with the side stand 8 and the instand 9 being engaged with the side stand 8 and the instand 9 on the engaging portions 10 of the parallel seating members 3 and 3 fixed through the metal fittings 2. The support shaft 23 is inserted into the through hole 21 of the other seat member 3 through the through hole 22 of the lower end of the side stand 8 from the through hole 21 of the one seat member 3, and the side stand 8 with the support shaft 23 as a fulcrum. Can be swung up and down.

Then, a fastening means 24 is provided on the support shaft 23 for the purpose of retaining it.
The above-described support shaft 23 is provided with a head 25 at one end to prevent it from coming off, and the tightening means 24 is composed of the other end screw portion of the support shaft 23 and a nut to be screwed into this screw portion. You may make it achieve the objective by structure.

  The through hole 22 at the lower end of the side stand 8 is provided in a plate-like body 26 that is fitted between the lower ends of the side stand 8 and fixed by welding.

  With the above configuration, when replacement is necessary due to a defect in the side roller 4 (due to inconvenience of rotation or corrosion), the tightening means 24 is loosened to release the pulling of the both seating materials 3 and 3. On the other hand, the engaging portion 11 of the side stand 8 can be released from the engaging portion 10 of the both seat members 3 and 3 to release the engaging relationship between the engaging portions 10 and 11, as shown in FIG. In addition, the side stand 8 can be tilted outwardly from the support shaft 23 as a fulcrum (from the chain line position in FIG. 7 to the solid line position).

At this time, before the side stand 8 is tilted, the outer end of the side roller 4 is pulled up from the chain line state in FIG. 7 to the position of the solid line state, and the notch groove 14 is allowed to escape from the notch 15.
Then, the replacement work of the side roller 4 and the center roller 5 becomes extremely easy.

  When the side stand 8 is tilted, the upper end of the vertical wall of the seating member 3 and the upper end of the notch 12 collide as shown in FIG. do.

  In the third embodiment of the present invention, as shown in FIGS. 8 to 11, notch grooves 31 are provided at both ends of the auxiliary shaft 32 by being cut parallel to the axis, and both end portions of the auxiliary shaft 32 are provided. A pair of arms 33 projecting parallel to the side edge of the belt A in a non-rotating state is provided, and a notch groove 14 of the rotation support shaft 13 of the center roller 5 is formed at the tip of both arms 33 from the upper edge downward. A notch 34 that fits into the engaged state is provided.

  If comprised as mentioned above, the notch groove 31 of the both ends of the auxiliary shaft 32 will be dropped and engaged with the notch 15 of the instands 9 and 9 of the carrier stand for belt conveyors of 1st Embodiment, and the auxiliary shaft 32 will be engaged. Is installed.

  Next, the notch 34 of the rotation support shaft 13 of the center roller 5 ′ is dropped and engaged with the notch 34 of both arms 33 to support the center roller 5 ′.

  Then, the arrangement on the plane of the side roller 4 and the center roller 5 'becomes staggered as shown in FIG.

  For this reason, the gap between the opposite ends of the side roller and the center roller generated when the side roller and the center roller are arranged in series on the plane as in the conventional case is shown in FIG. As shown in FIG. 4, the problem that occurs when the belt bites into a bulge can be eliminated.

  As shown in FIGS. 10 and 11, the center roller 5 ′ having a long axial length can be constructed by increasing the facing distance between the middle and the tip of the arms 33 and 33 as shown in FIGS.

  In the illustrated case (see FIG. 10), the means provided in the non-rotating state of the arms 33 with respect to the auxiliary shaft 32 is fixed by welding.

  In addition, what is necessary is just to remove the center roller 5 when the center roller 5 of 1st Embodiment exists in the instands 9 and 9. FIG.

  In the fourth embodiment of the present invention, as shown in FIGS. 13 to 15, a pair of arms 42 arranged in parallel at both ends of an auxiliary shaft 41 having notched grooves 31 similar to those of the third embodiment at both ends. The end of is pivotably attached.

  As the pivotable attachment to the arm 42, the auxiliary shaft 41 is passed through the through hole 43 at the end of the arm 42.

  In addition to the two arms 42 arranged in parallel, the ends are connected in a plane U shape, or the ends of the two parallel arms 42 are connected in a plane H shape (both shown) (Omitted).

  In addition, the third embodiment engages with the drop-in engagement of the notch groove 14 provided in the same manner as the first embodiment at the protruding end of the rotation support shaft 13 of the center roller 5 downward from the upper edge of the tip of both arms 42. A similar notch 44 is provided.

As shown in the figure, the center roller 5 ′ having a long shaft length can be installed by increasing the facing distance from the middle to the tip of both arms 42 at the end side.
Of course, it is not limited.

Furthermore, a support member 45 that does not rotate with respect to the auxiliary shaft 41 is provided at the end of the auxiliary shaft 41 by welding or the like, and the support member 45 has an upright posture in which the center roller 5 and the belt A are in contact with each other. the arm 42 is provided a stopper device B for preventing from being rotated in the collapse direction.

  As the stopper device B, for example, in the case shown in the figure, a cylindrical body 46 supported by a support member 45, a pin 47 fitted in the cylindrical body 46, and a spring 48 for applying a projecting output to the pin 47, When the pin 47 is attached to the end of the pin 47 and the arm 42 is rotated in the standing direction so as to contact the belt A and the center roller 5 ′, the pin 47 penetrates. However, the present invention is not limited and the object can be achieved by other configurations.

  When configured as described above, the tilting of the arm 42 in the tilting direction is prevented by the stopper device B, and the belt A is supported by the center roller 5 '.

  When it is necessary to replace the center roller 5 'for some reason, the arm 42 is prevented from being tilted by the stopper device B, and the arm 42 is tilted as shown in FIG.

  Then, the center roller 5 'is largely separated from the lower surface of the belt A, and the replacement operation of the center roller 5' can be performed smoothly.

  In the fifth embodiment of the present invention, as shown in FIGS. 17 to 19, the upper and lower rotation support shafts 13 of the side stands 8 of the first, second, third and fourth embodiments can be freely inserted and removed. Means C for preventing the shaft 13 from rising is provided.

  In the illustrated case, the lifting prevention means C includes a bolt 61 inserted from the upper end of the side stand 8 and from one end to the other end of the upper support shaft 13 on the inner side of the inverted bending portion of the side stand 8 and screwed from the tip of the bolt 61. It consists of a nut 62.

  If a tube 63 made of, for example, a soft synthetic resin is fitted to the outside of the bolt 61 as shown in the figure, the inconvenience due to the contact between the metal rotating support shaft 13 and the bolt 61 can be eliminated.

  With the configuration described above, escape of the rotary support shaft 13 from the notch 15 is prevented by the lifting prevention means C.

  In the sixth embodiment of the present invention, as shown in FIGS. 20 to 22, the seat member 3, the side stands 8 and 8 that stand from both ends of the seat member 3, and the center portion of the seat member 3 stand. A pair of instands 9, a notch 15 provided downward from the upper end of the side stand 8, and downward from both ends from the upper end of the instand 9, and both ends of the rotation support shaft 13 of the side roller 4 and the center roller 5 And a notch groove 14 cut in parallel to the axis thereof. The notch groove 14 is dropped into the notch 15 and engaged to support the side roller 4 and the center roller 5 for belt conveyors. A carrier stand E is formed.

  The side stand 8 and the instand 9 are erected with respect to the seat material 3, although the assembly / disassembly method of the first embodiment is adopted, but is not limited.

  The configuration and assembly of the assembly method are the same as in the first embodiment, and detailed description thereof is omitted.

  In addition, after assembling, the separation of the parallel seat members 3 and 3 is prevented, and in order to maintain the engagement relationship between the engaging portions 10 and 11, at least two seats are provided from one seat member 3 to the other seat member 3. Bolts 71 are passed through the both ends of the material 3 and nuts 72 are screwed into the bolts 71.

  Further, leg seats 73 are provided at positions where the carrier stand E is arranged on the upper surfaces of both sides of the conveyor frame 1.

  The leg seat 73 is fixed using an L-shaped plate, after the horizontal plate of the leg seat 73 is stacked on the conveyor frame 1, and then fastened with a fastener 74 composed of bolts and nuts.

  Both ends of the seat member 3 are rotatably attached to the leg seat 73 via a horizontal support shaft 75 so that the carrier stand E can be raised and lowered in the longitudinal direction of the belt A.

  The support shaft 75 is interposed between the vertical plates of the leg seat 73 and both ends of the seat members 3 and 3, and is passed through a plate-like body 76 having side edges fixed to the seat material 3 by welding or the like. A nut is screwed into 75 bolts.

  Further, in the vicinity of the support shaft 75, there is provided control means F capable of maintaining the carrier stand E in a standing posture and releasing the standing posture maintenance.

  In the illustrated case, the control means F includes a spacer 82 having a U-shaped cut-out portion 81 for the bolts of the mounting fasteners 74, 74 of the seat member 3 before and after the support shaft 75. Although the fastener 74 is pressed between the lower surface and the horizontal plate of the leg seat 73 to tighten the fastener 74, the present invention is not limited thereto, and other configurations that achieve the object may be adopted.

  If comprised as mentioned above, the belt A, the side roller 4 and the center roller 5 can be contacted by maintaining the standing posture of the carrier stand E by the control means F (with the intervening spacer 82 interposed), and the control means When the release by F (by removing the spacer 82) is performed, the carrier stand E can be tilted in the longitudinal direction of the belt A (as shown in FIG. 23).

  For this reason, the replacement work of the side roller 4 and the center roller 5 becomes extremely easy, and the carrier stand E can be tilted in the traveling direction of the belt A or the opposite side of the traveling direction, so that the roller replacement work is easy. become.

A Belt B Stopper device C Lifting prevention means E Carrier stand F Control means 1 Frame 2 Fastening bracket 3 Seating material 4 Side roller 5, 5 'Center roller 6 Through hole 7 Through hole 8 Side stand 9 Instand 10 Engaging portion 11 Engagement Joint part 12 Notch 13 Rotating support shaft 14 Notch groove 15 Notch 21 Through hole 22 Through hole 23 Support shaft 24 Tightening means 25 Head 26 Plate-like body 31 Notch groove 32 Auxiliary shaft 33 Arm 34 Notch 41 Auxiliary Shaft 42 Arm 43 Through-hole 44 Notch 45 Support member 46 Cylindrical body 47 Pin 48 Spring 49 Operation member 50 Hole 61 Bolt 62 Nut 63 Tube 71 Bolt 72 Nut 73 Leg seat 74 Fastening tool 75 Support shaft 76 Plate-shaped body 81 Notch 82 Spacer

Claims (6)

  A set of parallel two seats that attach both ends to the upper surface of both sides of the conveyor frame via fastening brackets, and a side stand that is an inverted U-shaped bending of a metal plate that is placed upright between both ends of the seat material, It is composed of a pair of instands of an inverted V-shaped bending process of a metal plate arranged in an upright manner in the central portion of the seating material, and the parallel seating arrangement is made between the standing surface of the seating material and the lower ends of the side stand and the instand. The side stand is provided with a hole or hole engagement portion on one side and a protrusion engagement portion on the other side to prevent detachment and maintain a standing posture on the opposite surface to the side. A notch for the drop-engagement of the notch groove provided in the outer end of the rotation support shaft of the side roller and the center roller is provided parallel to the axis line downward from the upper end of the stand and the upper end of the instand. Carrier stand for belt conveyors, characterized in that.   2. The support shaft inserted from one side of the seating material to the other side passes through the lower end of the side stand so that the side stand is rotatable, and a fastening means is provided on the support shaft. Carrier stand for conveyors.   The notch of the instand is provided with a notch groove cut at both ends in parallel to the axis of the notch, and the auxiliary shaft is horizontally mounted by engaging with the notch groove from both ends of the auxiliary shaft. A horizontal non-rotating arm that protrudes in the direction along the upper and lower ends of both arms is inserted into the notch provided downward from the upper edge of the protruding direction of both arms. The carrier stand for conveyors according to claim 1, wherein The notch of the instand is provided with a notch groove that is cut off at both ends in parallel to the axis, and the auxiliary shaft is horizontally mounted and non-rotatably provided at both ends of the auxiliary shaft. The end of the arm is pivotally attached to the support member, and the notch provided on both ends of the center roller is inserted into the notch provided downward from the upper edge toward the lower end of the both arms, and the notch grooves on the center roller are dropped into engagement. belt conveyor according to claim 1, characterized in that a stopper device for preventing the pivoting to the arm inclination direction of the upright posture in which contact state and the center roller and the belt to the support member Carrier stand.
  2. The carrier stand for a belt conveyor according to claim 1, wherein a lifting prevention means for the rotary support shaft is detachably provided above the rotation support shaft of the upper end side roller of the side stand.   A seat, a side stand that stands up from both ends of the seat, a pair of instands that stand up from the center of the seat, and a notch provided downward from the upper ends of the instand and the side stand And the side stand and the in-stand notch, and the side roller that is supported by dropping and engaging notch grooves provided in the notches of the both in-stands at both ends of the rotation support shaft by cutting them in parallel to the axis. And a carrier roller comprising a center roller, leg seats are provided on the upper surfaces of both sides of the conveyor frame, and both ends of the carrier stand seat material are connected to the leg seats through horizontal support shafts in the direction of travel of the carrier stand belt. The control means can be mounted up and down freely and can maintain the carrier stand upright and release the maintenance of the upright posture in the vicinity of the support shaft. Carrier stand for belt conveyors, characterized in that it is provided.

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