CN114852849A - Device and method for replacing carrier roller of conveying belt - Google Patents
Device and method for replacing carrier roller of conveying belt Download PDFInfo
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- CN114852849A CN114852849A CN202210411003.9A CN202210411003A CN114852849A CN 114852849 A CN114852849 A CN 114852849A CN 202210411003 A CN202210411003 A CN 202210411003A CN 114852849 A CN114852849 A CN 114852849A
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- roller
- gear
- conveying belt
- chain
- carrier roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Mechanical Engineering (AREA)
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- Structural Engineering (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
The invention provides a device and a method for replacing a carrier roller of a conveying belt, wherein the device comprises a bracket, a driving assembly and a hoisting assembly, the driving assembly comprises a moving block, a gear and a chain, one end of the moving block is connected with the bracket in a sliding manner, the other end of the moving block is fixedly connected with the gear, the gear is meshed with the chain, the hoisting assembly comprises a hollow supporting pipe, and one end of the chain, which is far away from the gear, is movably connected with the hollow supporting pipe. The invention firstly pulls up the conveyer belt, and then detaches or replaces the carrier roller arranged below the conveyer belt, thereby realizing the free movement of the device, shortening the time for replacing the carrier roller, saving the labor consumption and having higher safety and stability.
Description
Technical Field
The invention belongs to the technical field of material conveying equipment, relates to replacement of a conveyor belt carrier roller, and particularly relates to a device and a method for replacing a conveyor belt carrier roller.
Background
Belt conveying is a common conveying mode, and the bearing roller is the important component that is used for supporting the conveyer belt and takes the material, and after the conveyer belt operation a period of time of transporting the material, the long-term friction of bearing roller and conveyer belt leads to the bearing roller to damage, if change untimely, can lead to the conveyer belt to be cut, for guaranteeing the normal transportation of conveyer belt, need to collide with the bearing roller impaired, the rotation is inflexible or the jam phenomenon appears and carry out the periodic replacement.
In the actual production process, personnel prop up the conveyer belt by hand when changing the bearing roller and waste time and energy, and the field operation space is narrow and small, and it is loaded down with trivial details to change the process, and has great potential safety hazard, leads to the bearing roller to change the difficulty, consequently provides the very necessary of a device that can safe quick replacement bearing roller.
CN213290102U discloses a carrier roller replacing device for a belt conveyor, which comprises a telescopic base, a slidably adjustable fixing sleeve, a jack, and a foldable belt bracket; the carrier roller replacing device is placed below a belt, the base is placed on cross beams of two adjacent groups of belt brackets of a carrier roller to be replaced, the fixed sleeve is installed on one side, close to the carrier roller to be replaced, of the base, and the extending end of the jack can be inserted into an assembling hole of each belt bracket; the telescopic base adopts the form of an outer pipe sleeve inner pipe, a fastening bolt is arranged on the side wall of the outer pipe, and two ends of the base are inclined planes matched with the cross beam angle of the roller frame.
CN113942953A discloses a portable spiral lifting carrier roller replacing method, and relates to the technical field of mining equipment. The equipment applied to the portable spiral lifting carrier roller replacing method comprises two lifting mechanisms and a supporting mechanism; the lifting mechanism comprises a base body, a hook, a first bevel gear, a second bevel gear, a crank, a screw rod base and a screw rod; the bearing mechanism comprises a bearing plate, and both ends of the bearing plate are provided with screw nuts; and the screw rod is assembled with screw rod nuts at two ends of the bearing plate.
CN213201121U discloses an automatic bearing roller group device is changed to portable, which comprises a frame, the middle part top of frame is provided with first bearing roller, both sides all are provided with the second bearing roller about the first bearing roller, the place ahead of first bearing roller is provided with carries the roller, both ends all articulate there is the connecting plate about carrying the roller, the bottom at both ends all is provided with the fixing base about the frame, install the automatic pump on the fixing base, the flexible end of automatic pump is provided with the supporting rod, the upside of supporting rod is provided with the L template, be connected between L template and the connecting plate.
Because the conveying belt is suspended when the carrier roller is replaced, certain influence is caused to engineering operation, and the carrier roller needs to be replaced quickly and safely in order to shorten the suspension time of the conveying as much as possible and reduce the influence on the normal operation of the conveying.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a device and a method for replacing a carrier roller of a conveying belt.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a device for replacing a carrier roller of a conveying belt, which comprises a bracket, a driving assembly and a lifting assembly, wherein the driving assembly comprises a moving block, a gear and a chain, one end of the moving block is connected with the bracket in a sliding manner, the other end of the moving block is fixedly connected with the gear, the gear is meshed with the chain, the lifting assembly comprises a hollow support tube, and one end, far away from the gear, of the chain is movably connected with the hollow support tube.
According to the device for replacing the carrier roller of the conveying belt, the conveying belt is pulled up through the lifting assembly so as to be convenient to detach and replace the carrier roller, the lifting position can be freely adjusted by the device through the driving assembly, the flexibility of the device is improved, the working space can be adjusted, the device has portability, the time for replacing the carrier roller can be shortened, the device can be operated by one person, manpower is saved, the influence of belt conveying operation is reduced, and the device has high stability and safety.
As a preferable technical scheme of the invention, the support comprises a supporting beam, two ends of the supporting beam are respectively provided with an upright post, and one end of each upright post, which is far away from the supporting beam, is respectively provided with a moving unit.
It should be noted that, in the present invention, the mobile unit is arranged, so that the device can be freely moved and fixed, the flexibility of the device is enhanced, the labor is saved, the working time can be shortened, and the working efficiency is improved.
Preferably, the joints of the upright columns and the supporting beams are respectively provided with a reinforcing rib plate.
As a preferred technical solution of the present invention, the moving unit includes at least one caster assembly, the caster assembly includes a roller, a first rotating shaft, and a brake mechanism, the roller is rotatably sleeved on the first rotating shaft, and the brake mechanism is fixedly connected to the first rotating shaft.
Preferably, a bottom plate is further arranged at one end, away from the supporting cross beam, of the upright column, and the caster wheel assembly is fixedly connected with the bottom plate.
Preferably, the brake mechanism comprises fixing blocks which are respectively connected with the U-shaped structures at the two ends of the first rotating shaft, and one end, far away from the first rotating shaft, of each fixing block is connected with the bottom plate through bolts.
Preferably, the brake mechanism further comprises a limiting block, one end of the limiting block is rotatably connected with the fixing block through a second rotating shaft, and the other end of the limiting block is arranged on the partial outer surface of the roller in a surrounding mode.
Preferably, the limiting block is provided with a protrusion on the surface of one side far away from the roller, the protrusion is pressed downwards, and the limiting block rotates by taking the second rotating shaft as the center to fix the roller.
It should be noted that, in the invention, the movement and fixation of the roller are realized through the brake mechanism, specifically, when the roller is pressed downwards, the limiting block surrounding the periphery of the roller rotates downwards to abut against the roller by taking the second rotating shaft as the center, so that the fixation of the roller is realized; when the protrusion is lifted, the limiting block surrounding the periphery of the roller rotates to the upper part of the roller by taking the second rotating shaft as the center, namely the limiting block is lifted along with the roller, and the roller can continue to move. The rolling wheels can adopt universal wheels to enhance the flexibility of the device, facilitate pushing, realize single-person operation and save labor consumption.
Preferably, the limiting block is of an arc-shaped structure.
Preferably, the number of caster assemblies is at least two.
As a preferable technical scheme of the present invention, a sliding groove is formed in a surface of one side of the supporting beam, which is close to the moving block, a pulley is arranged on a side of the moving block, which is far from the gear, and the pulley moves in the sliding groove and drives the gear to move.
It should be noted that the carrier rollers for supporting the conveyor belt are generally divided into flat carrier rollers and oblique carrier rollers located on both sides of the flat carrier rollers, and the working spaces of the flat carrier rollers and the oblique carrier rollers are different due to the different setting heights of the flat carrier rollers and the oblique carrier rollers; compared with the traditional hoisting device, the moving block can move left and right on the surface of the supporting beam so as to replace different inclined carrier rollers, adjust the working range, improve the safety performance and shorten the hoisting height of the conveying belt.
As a preferred technical solution of the present invention, the hoisting assembly further comprises a fixing rope, and the fixing rope passes through the hollow support tube and is connected with the chain.
Preferably, the chain is provided with the lifting hook near the one end of cavity trusteeship, the both ends of fixed rope are provided with the cable loop respectively, the lifting hook pass the cable loop at fixed rope both ends in proper order and fix.
The hollow support tube in the invention supports the conveying belt from the lower part of the conveying belt, and horizontally lifts the conveying belt under the meshing of the gear and the chain, so that the conveying belt is separated from the bottom carrier roller, and the carrier roller is convenient to replace or disassemble.
In a second aspect, the present invention provides a method for replacing a carrier roller of a conveyor belt, the method using the device for replacing a carrier roller of a conveyor belt of the first aspect to replace a carrier roller of a conveyor belt, the method comprising:
the gear is moved to the position above the carrier roller of the conveying belt along the support, the conveying belt is supported by the aid of the hollow support tube, the gear is meshed with the chain, the hollow support tube is moved to one side far away from the carrier roller, and then the carrier roller is replaced.
According to the method for replacing the carrier roller of the conveying belt, the conveying belt is pulled up, and the carrier roller arranged below the conveying belt is detached or replaced, so that a larger working space is provided for replacing the carrier roller, the belt pause time is shortened, the labor is saved, and the working efficiency is improved.
As a preferred technical solution of the present invention, the method specifically comprises:
pushing the roller to move the bracket to the upper part of the carrier roller of the conveying belt, pressing down the bulge of the brake mechanism, and rotating the limiting block by taking the second rotating shaft as a center to fix the roller;
(II) enabling the fixing rope to penetrate through the hollow support pipe, and hanging the fixing rope on a lifting hook of the chain by using a rope buckle;
(III) pushing a moving block, wherein a pulley of the moving block slides in a sliding groove in the surface of the supporting beam and drives a gear to move right above the conveying belt, the gear is meshed with a chain to drive the hollow support tube to move to one side close to the conveying belt, and the hollow support tube penetrates through the lower part of the conveying belt and supports the conveying belt;
and (IV) the gear is meshed with the chain, and drives the hollow support pipe for supporting the conveying belt to move upwards, and then the carrier roller is replaced.
As a preferable technical solution of the present invention, the idler in the step (iii) includes a flat idler and/or an inclined idler.
As a preferred technical scheme of the invention, in the step (iv), after the hollow support tube moves upwards, the moving block is pushed, and the gear is driven to move left and right along the supporting beam for adjustment.
As a preferred technical solution of the present invention, the method comprises: and after the replacement of the carrier roller is finished, the gear is meshed with the chain, and drives the hollow support tube for hoisting the conveying belt to move downwards to the position above the carrier roller, and the hollow support tube is taken out.
Preferably, the method further comprises: the protrusions of the brake mechanism are lifted and pressed down, the limiting blocks rotate to the upper side of the roller by taking the second rotating shaft as the center, and the roller is pushed to move the support.
Illustratively, the method for replacing the carrier roller of the conveying belt specifically comprises the following steps:
(1) the roller is pushed to move the bracket to the upper part of the carrier roller of the conveying belt, the bulge of the brake mechanism is pressed downwards, and the limiting block rotates to the bottom of the roller by taking the second rotating shaft as the center to be fixed;
(2) the fixing rope penetrates through the hollow support pipe and is hung on a lifting hook of the chain by using a rope buckle;
(3) pushing a moving block, wherein a pulley of the moving block slides in a sliding groove in the surface of the supporting cross beam and drives a gear to move right above the conveying belt, the gear is meshed with a chain to drive the hollow support pipe to move to one side close to the conveying belt, and the hollow support pipe penetrates through the lower part of the conveying belt and supports the conveying belt;
(4) the gear is meshed with the chain to drive the hollow support tube for supporting the conveying belt to move upwards, the moving block is pushed, the gear is driven to move left and right along the supporting cross beam to be adjusted, and then the carrier roller is replaced;
(5) after the replacement of the carrier roller is finished, the gear is meshed with the chain to drive the hollow support tube for hoisting the conveying belt to move downwards to the position above the carrier roller, and the hollow support tube is taken out;
(6) the protrusions of the brake mechanism are lifted and pressed down, the limiting blocks rotate to the upper side of the roller by taking the second rotating shaft as the center, and the roller is pushed to move the support.
Compared with the prior art, the invention has the beneficial effects that:
according to the device and the method for replacing the carrier roller of the conveying belt, provided by the invention, the conveying belt is firstly pulled up through the lifting assembly so as to be convenient for the carrier roller to be disassembled and replaced, the lifting position can be freely adjusted by the device through the driving assembly, the flexibility of the device is improved, the working space is adjusted, the device has portability, and the carrier roller arranged below the conveying belt is disassembled or replaced, so that a larger working space is provided for the replacement of the carrier roller, the belt pause time is shortened, the labor is saved, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a device for replacing a carrier roller of a conveyor belt according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a bracket of the device for replacing the carrier roller of the conveying belt according to one embodiment of the invention;
fig. 3 is a schematic structural diagram of a brake mechanism according to an embodiment of the present invention.
Wherein, 1-supporting the beam; 2-upright post; 3-moving block; 4-a gear; 5-a chain; 6-hollow support tube; 7-carrying rollers; 8-fixing the rope; 9-a conveyor belt; 10-a caster assembly; 11-a hook; 12-a base plate; 13-fixing block; 14-a roller; 15-a limiting block; 16-convex; 17-a first shaft; 18-second axis of rotation.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In a specific embodiment, the invention provides a device for replacing a carrier roller of a conveyor belt, as shown in fig. 1, the device comprises a bracket, a driving assembly and a hoisting assembly, the driving assembly comprises a moving block 3, a gear 4 and a chain 5, one end of the moving block 3 is slidably connected with the bracket, the other end of the moving block is fixedly connected with the gear 4, the gear 4 and the chain 5 are meshed with each other, the hoisting assembly comprises a hollow support pipe 6, and one end of the chain 5, which is far away from the gear 4, is movably connected with the hollow support pipe 6.
According to the invention, the conveying belt 9 is pulled up by the lifting assembly so as to be convenient for dismounting and replacing the carrier roller 7, the lifting position can be freely adjusted by the driving assembly, the flexibility of the device is improved, the working space is adjusted, the device has portability, the time for replacing the carrier roller 7 can be shortened, the device can be operated by one person, the labor is saved, the influence of belt conveying operation is reduced, and the device has high stability and safety.
Further, as shown in fig. 2, the support includes a supporting beam 1, two ends of the supporting beam 1 are respectively provided with an upright column 2, and one end of the upright column 2, which is far away from the supporting beam 1, is respectively provided with a moving unit. According to the invention, the mobile unit is arranged, so that the device can be freely moved and fixed, the flexibility of the device is enhanced, the labor is saved, the working time can be shortened, and the working efficiency is improved.
And reinforcing rib plates are respectively arranged at the joints of the upright posts 2 and the supporting beam 1.
Further, as shown in fig. 3, the mobile unit includes at least one caster assembly 10, the caster assembly 10 includes a roller 14, a first rotating shaft 17 and a brake mechanism, the roller 14 is rotatably sleeved on the first rotating shaft 17, and the brake mechanism is fixedly connected to the first rotating shaft 17.
The end of the upright post 2 far away from the supporting beam 1 is further provided with a bottom plate 12, and the caster wheel assembly 10 is fixedly connected with the bottom plate 12.
The brake mechanism comprises fixing blocks 13 which are respectively connected with two ends of the first rotating shaft 17 and are of U-shaped structures, and one end, far away from the first rotating shaft 17, of each fixing block 13 is connected with the bottom plate 12 through bolts. The brake mechanism further comprises a limiting block 15, one end of the limiting block 15 is rotatably connected with the fixing block 13 through a second rotating shaft 18, and the other end of the limiting block is arranged on the partial outer surface of the roller 14 in a surrounding mode. The limiting block 15 is further provided with a protrusion 16 on a side surface away from the roller 14, the protrusion 16 is pressed downwards, and the limiting block 15 rotates by taking the second rotating shaft 18 as a center to fix the roller 14.
In the invention, the roller 14 is moved and fixed through the brake mechanism, in particular, when the bulge 16 is pressed down, the limiting block 15 surrounding the periphery of the roller 14 rotates downwards around the second rotating shaft 18 as a center to abut against the roller 14, so that the roller 14 is fixed; when the protrusion 16 is lifted, the limiting block 15 surrounding the periphery of the roller 14 rotates to the upper side of the roller 14 by taking the second rotating shaft 18 as a center, that is, the limiting block 15 is lifted up, the roller 14 can continue to move, the roller 14 can adopt a universal wheel, and the adjustment of the moving angle can be realized.
The limiting block 15 is of an arc-shaped structure.
The number of caster assemblies 10 is at least two.
Furthermore, a sliding groove is formed in the surface of one side, close to the moving block 3, of the supporting beam 1, a pulley is arranged on one side, far away from the gear 4, of the moving block 3, and the pulley moves in the sliding groove and drives the gear 4 to move. The carrier roller 7 for supporting the conveying belt 9 is generally divided into a middle flat carrier roller 7 and inclined carrier rollers 7 positioned at two ends of the flat carrier roller 7, and the working spaces of the flat carrier roller 7 and the inclined carrier rollers 7 are different due to the different arrangement heights of the flat carrier roller 7 and the inclined carrier rollers 7; compared with the traditional hoisting device, the moving block 3 can move left and right on the surface of the supporting beam 1, so that different inclined carrier rollers 7 can be replaced, and the hoisting height of the conveying belt 9 can be shortened.
Further, the hoisting assembly further comprises a fixing rope 8, and the fixing rope 8 penetrates through the hollow support pipe 6 and is connected with the chain 5. The one end that chain 5 is close to cavity trusteeship 6 is provided with lifting hook 11, the both ends of fixed rope 8 are provided with the cable loop respectively, lifting hook 11 pass the cable loop at fixed rope 8 both ends in proper order and fix. The hollow support tube 6 of the invention supports the conveyer belt 9 from the lower part of the conveyer belt 9, and horizontally lifts the conveyer belt 9 under the engagement of the gear 4 and the chain 5, so that the conveyer belt 9 is separated from the carrier roller 7 at the bottom, and the carrier roller 7 is convenient to replace or disassemble.
In another embodiment, the present invention provides a method for replacing a carrier roller 7 of a conveyor belt 9, wherein the method uses the device for replacing a carrier roller of a conveyor belt 9 in one embodiment to replace a carrier roller 7 of a conveyor belt 9, and the method specifically comprises:
the bracket is moved to the position above a carrier roller 7 of a conveying belt 9 by pushing a roller 14, a bulge 16 of a brake mechanism is pressed downwards, and a limiting block 15 rotates by taking a second rotating shaft 18 as a center to fix the roller 14;
(II) enabling a fixing rope 8 to penetrate through the hollow supporting pipe 6 and be hung on a lifting hook 11 of the chain 5 through a rope buckle;
(III) pushing a moving block 3, wherein a pulley of the moving block 3 slides in a sliding groove in the surface of the supporting beam 1, and drives a gear 4 to move right above a conveying belt 9, the gear 4 is meshed with a chain 5, and drives a hollow support tube 6 to move to one side close to the conveying belt 9, so that the hollow support tube 6 penetrates through the lower part of the conveying belt 9 and supports the conveying belt 9;
(IV) the gear 4 is meshed with the chain 5 and drives the hollow support tube 6 for supporting the conveying belt 9 to move upwards, and then the carrier roller 7 is replaced.
Further, in the step (iii), the idler rollers 7 comprise flat idler rollers 7 and/or inclined idler rollers 7.
Further, in the step (iv), after the hollow support tube 6 moves upward, the moving block 3 is pushed, and the gear 4 is driven to move left and right along the supporting beam 1 for adjustment.
Further, the method comprises the following steps: after the replacement of the carrier roller 7 is finished, the gear 4 and the chain 5 are meshed with each other, the hollow support pipe 6 for hoisting the conveying belt 9 is driven to move downwards to the position above the carrier roller 7, and the hollow support pipe 6 is taken out.
The method further comprises the following steps: the protrusion 16 of the brake mechanism is pressed and lifted, the limiting block 15 rotates to the upper side of the roller 14 by taking the second rotating shaft 18 as the center, and the roller 14 is pushed to move the bracket.
Example 1
This embodiment provides a change device of conveyer belt bearing roller, includes support, drive assembly and lifts by crane the subassembly. The support comprises a supporting beam 1, two ends of the supporting beam 1 are respectively provided with a stand column 2, one end of the stand column 2, far away from the supporting beam 1, is respectively provided with a bottom plate 12, and the joint of the stand column 2 and the supporting beam 1 is respectively provided with a reinforcing rib plate. The upright column 2 is a square tube with the size of 80mm multiplied by 5mm, the supporting beam 1 is I-shaped steel with the size of 75mm multiplied by 140mm, the upright column 2 and the supporting beam 1 are both welded with connecting steel plates, and the upright column 2 and the supporting beam 1 are connected through bolts by the connecting steel plates.
The driving assembly comprises a moving block 3, a gear 4 and a chain 5, one end of the moving block 3 is connected with a supporting beam 1 in a sliding mode, the other end of the moving block 3 is fixedly connected with the gear 4, the gear 4 is meshed with the chain 5, a sliding groove is formed in the surface, close to the moving block 3, of one side of the supporting beam 1, a pulley is arranged on one side, away from the gear 4, of the moving block 3, the pulley moves in the sliding groove and drives the gear 4 to move.
The lifting component comprises a hollow supporting pipe 6 and a fixed rope 8, the fixed rope 8 penetrates through the hollow supporting pipe 6 and is connected with one end, close to the hollow supporting pipe 6, of the chain 5, one end, close to the hollow supporting pipe 6, of the chain 11 is provided with a lifting hook 11, two ends of the fixed rope 8 are respectively provided with a rope fastener, and the lifting hook 11 of the chain 5 penetrates through the rope fasteners at two ends of the fixed rope 8 in sequence to be fixed. Fixed rope 8 adopts wire rope, and fixed rope 8's diameter is 8mm, and length is 2600mm, and the diameter of hollow trusteeship 6 is 48mm, and length is 1000 mm.
The sides of the upright posts 2 far away from the supporting beam 1 are respectively provided with a moving unit, and the moving unit comprises two caster wheel assemblies 10. The caster assembly 10 comprises a roller 14, a first rotating shaft 17 and a brake mechanism, wherein the roller 14 is rotatably sleeved on the first rotating shaft 17, and the brake mechanism comprises fixing blocks 13 which are respectively connected with two ends of the first rotating shaft 17 and have a U-shaped structure. One end of the fixing block 13 far away from the first rotating shaft 17 is bolted with the bottom plate 12 of the bracket.
The brake mechanism further comprises a limiting block 15 in an arc-shaped structure, one end of the limiting block 15 is rotatably connected with the fixing block 13 through a second rotating shaft 18, the other end of the limiting block 15 is arranged on part of the outer surface of the roller 14 in a surrounding mode, a protrusion 16 is further arranged on the surface, away from the roller 14, of one side of the limiting block 15, the protrusion 16 is pressed downwards, the limiting block 15 rotates to fix the roller 14 by taking the second rotating shaft 18 as the center, when the protrusion 16 is lifted, the limiting block 15 rotates to the position above the roller 14 by taking the second rotating shaft 18 as the center, namely the limiting block 15 is lifted along with the protrusion, and the roller 14 can continue to move.
Application example 1
In this application example, the device for replacing a carrier roller of a conveyor belt provided in embodiment 1 is used to replace the carrier roller 7, and specifically includes the following steps:
(1) the roller 14 is pushed to move the bracket to the upper part of the carrier roller 7 of the conveying belt 9, the bulge 16 of the brake mechanism is pressed downwards, and the limiting block 15 rotates by taking the second rotating shaft 18 as the center to fix the roller 14;
(2) the fixed rope 8 passes through the hollow support pipe 6 and is hung on a hook 11 of the chain 5 by using a rope fastener;
(3) pushing a moving block 3, wherein a pulley of the moving block 3 slides in a sliding groove in the surface of the supporting beam 1, and drives a gear 4 to move above a conveying belt 9, the gear 4 is meshed with a chain 5, and the hollow support pipe 6 is driven to move to one side close to the conveying belt 9, so that the hollow support pipe 6 penetrates through the lower part of the conveying belt 9 and supports the conveying belt 9;
(4) the gear 4 is meshed with the chain 5, and drives the hollow support tube 6 for supporting the conveying belt 9 to move upwards, the moving block 3 is pushed, the gear 4 is driven to move left and right along the supporting cross beam 1 to be adjusted, and then the carrier roller 7 is replaced;
(5) after the replacement of the carrier roller 7 is finished, the gear 4 is meshed with the chain 5, and drives the hollow support tube 6 for hoisting the conveying belt 9 to move downwards to the position above the carrier roller 7, and the hollow support tube 6 is taken out;
(6) the protrusion 16 of the brake mechanism is pressed and lifted, the limiting block 15 rotates to the upper side of the roller 14 by taking the second rotating shaft 18 as the center, and the roller 14 is pushed to move the bracket.
According to the device for replacing the carrier roller of the conveying belt, the conveying belt 9 is firstly pulled up through the lifting assembly so as to be convenient for the carrier roller 7 to be disassembled and replaced, the lifting position can be freely adjusted by the device through the driving assembly, the flexibility of the device is improved, the working space is adjusted, the device has portability, the carrier roller 7 arranged below the conveying belt 9 is disassembled or replaced, a larger working space is provided for the replacement of the carrier roller 7, the conveying pause time is shortened, the labor is saved, and the working efficiency is improved.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (10)
1. The device for replacing the carrier roller of the conveying belt is characterized by comprising a support, a driving assembly and a lifting assembly, wherein the driving assembly comprises a moving block, a gear and a chain, one end of the moving block is connected with the support in a sliding mode, the other end of the moving block is fixedly connected with the gear, the gear is meshed with the chain, the lifting assembly comprises a hollow supporting pipe, and one end, far away from the gear, of the chain is movably connected with the hollow supporting pipe.
2. The device according to claim 1, wherein the support comprises a supporting beam, two ends of the supporting beam are respectively provided with an upright post, and one ends of the upright posts far away from the supporting beam are respectively provided with a moving unit;
preferably, the joints of the upright columns and the supporting beams are respectively provided with a reinforcing rib plate.
3. The device according to claim 2, wherein the mobile unit comprises at least one caster assembly, the caster assembly comprises a roller, a first rotating shaft and a braking mechanism, the roller is rotatably sleeved on the first rotating shaft, and the braking mechanism is fixedly connected with the first rotating shaft;
preferably, a bottom plate is further arranged at one end of the upright column, which is far away from the supporting cross beam, and the caster wheel assembly is fixedly connected with the bottom plate;
preferably, the brake mechanism comprises fixing blocks of a U-shaped structure respectively connected with two ends of the first rotating shaft, and one end of each fixing block, which is far away from the first rotating shaft, is connected with the bottom plate through a bolt;
preferably, the brake mechanism further comprises a limiting block, one end of the limiting block is rotatably connected with the fixed block through a second rotating shaft, and the other end of the limiting block surrounds part of the outer surface of the roller;
preferably, a protrusion is further arranged on the surface of one side, away from the roller, of the limiting block, the protrusion is pressed downwards, and the limiting block rotates around the second rotating shaft to fix the roller;
preferably, the limiting block is of an arc-shaped structure;
preferably, the number of caster assemblies is at least two.
4. The device as claimed in claim 2 or 3, wherein a sliding groove is formed in a surface of one side of the supporting beam close to the moving block, a pulley is arranged on one side of the moving block away from the gear, and the pulley moves in the sliding groove and drives the gear to move.
5. The apparatus of any one of claims 1-4, wherein the hoist assembly further comprises a securing rope, the securing rope passing through the hollow support tube and connecting to the chain;
preferably, the chain is provided with the lifting hook near the one end of cavity trusteeship, the both ends of fixed rope are provided with the cable loop respectively, the lifting hook pass the cable loop at fixed rope both ends in proper order and fix.
6. A method of replacing a conveyor idler roll, the method using the apparatus for replacing a conveyor idler roll according to any one of claims 1 to 5, the method comprising:
the gear is moved to the position above the carrier roller of the conveying belt along the support, the conveying belt is supported by the aid of the hollow support tube, the gear is meshed with the chain, the hollow support tube is moved to one side far away from the carrier roller, and then the carrier roller is replaced.
7. The method according to claim 6, characterized in that the method comprises in particular:
pushing the roller to move the bracket to the upper part of the carrier roller of the conveying belt, pressing down the bulge of the brake mechanism, and rotating the limiting block by taking the second rotating shaft as a center to fix the roller;
(II) enabling the fixing rope to penetrate through the hollow support pipe, and hanging the fixing rope on a lifting hook of the chain by using a rope buckle;
(III) pushing a moving block, wherein a pulley of the moving block slides in a sliding groove in the surface of the supporting beam and drives a gear to move right above the conveying belt, the gear is meshed with a chain to drive the hollow support tube to move to one side close to the conveying belt, and the hollow support tube penetrates through the lower part of the conveying belt and supports the conveying belt;
and (IV) the gear is meshed with the chain, and drives the hollow support pipe for supporting the conveying belt to move upwards, and then the carrier roller is replaced.
8. A method according to claim 7, wherein the idlers of step (III) comprise flat idlers and/or inclined idlers.
9. The method as claimed in claim 7 or 8, wherein in step (iv), after the hollow support tube moves upwards, the moving block is pushed, and the gear is driven to move left and right along the supporting beam for adjustment.
10. A method according to any of claims 7-9, characterized in that the method comprises: after the replacement of the carrier roller is finished, the gear is meshed with the chain, and drives the hollow support pipe for hoisting the conveying belt to move downwards to the position above the carrier roller, and the hollow support pipe is taken out;
preferably, the method further comprises: the bulge of the brake mechanism is lifted, the limiting block rotates to the upper side of the roller by taking the second rotating shaft as the center, and the roller is pushed to move the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411003.9A CN114852849A (en) | 2022-04-19 | 2022-04-19 | Device and method for replacing carrier roller of conveying belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411003.9A CN114852849A (en) | 2022-04-19 | 2022-04-19 | Device and method for replacing carrier roller of conveying belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114852849A true CN114852849A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210411003.9A Pending CN114852849A (en) | 2022-04-19 | 2022-04-19 | Device and method for replacing carrier roller of conveying belt |
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| CN (1) | CN114852849A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229467A (en) * | 2022-08-08 | 2022-10-25 | 焦作科瑞森重装股份有限公司 | Patrol maintenance vehicle for long-distance belt conveyor |
| CN116789005A (en) * | 2023-05-31 | 2023-09-22 | 张家港港务集团有限公司港盛分公司 | Convenient dismounting device, dismounting method and mounting method for lower carrier roller of conveyor belt |
-
2022
- 2022-04-19 CN CN202210411003.9A patent/CN114852849A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229467A (en) * | 2022-08-08 | 2022-10-25 | 焦作科瑞森重装股份有限公司 | Patrol maintenance vehicle for long-distance belt conveyor |
| CN116789005A (en) * | 2023-05-31 | 2023-09-22 | 张家港港务集团有限公司港盛分公司 | Convenient dismounting device, dismounting method and mounting method for lower carrier roller of conveyor belt |
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