CN113942953B - Portable spiral lifting carrier roller replacing method - Google Patents
Portable spiral lifting carrier roller replacing method Download PDFInfo
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- CN113942953B CN113942953B CN202111207857.7A CN202111207857A CN113942953B CN 113942953 B CN113942953 B CN 113942953B CN 202111207857 A CN202111207857 A CN 202111207857A CN 113942953 B CN113942953 B CN 113942953B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
- B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
Abstract
The invention provides 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. The method for replacing the portable spiral lifting carrier roller is suitable for lifting the upper conveying belt and the lower conveying belt of the belt conveyor and can be operated by a single person; the operation is simple, the safety and the reliability are realized, the time and the labor are saved, the labor intensity of operators is greatly reduced, and the popularization and application value is higher.
Description
The application is a divisional application with the application number of 202011008578.3, the application date of 2020, 09 and 23 and the name of 'a portable spiral lifting carrier roller replacing device'.
Technical Field
The invention relates to the technical field of mining equipment, in particular to a method for replacing a portable spiral lifting carrier roller.
Background
The carrier roller is the important part of belt conveyor, and the variety is many, and is big in quantity, and the carrier roller is used for supporting the conveyer belt and takes the material. The carrier roller accounts for about 35% of the total cost of one belt conveyor, and generates more than 70% of resistance, so that the quality of the carrier roller is particularly important for the belt conveyor, and the operation of the carrier roller needs to be flexible and reliable. The conveying belt accounts for about 25% of the total cost of the belt conveyor, and the flexibly running carrier roller can reduce the sliding friction with the conveying belt and plays a key role in the service life of the conveying belt.
When the carrier roller is inflexible to operate or damaged in the use process of the belt conveyor, the carrier roller needs to be replaced in time so as to keep the normal operation of the conveyor. At present, a special tool or equipment is not available for replacing the carrier roller, a conveying belt with the width of two meters and three meters cannot be lifted manually, a lifting point is required to be arranged on a top plate, and the conveying belt is lifted by using two chain blocks with the weight of 2 tons. Utilize chain block to lift by crane the conveyer belt, need 2 to 3 operating personnel synergism, have strict requirements to operating personnel's proficiency, need the operation of ascending a height, the field operation space is narrow and small, and it is loaded down with trivial details, waste time and energy to change the process, and has great potential safety hazard.
Disclosure of Invention
The invention aims to provide a portable method for replacing a spiral lifting carrier roller, which realizes single-person operation of lifting a conveyor belt and has the advantages of simple operation, time and labor saving, safety and reliability.
In order to achieve the above purpose, the technical solution adopted by the invention is as follows:
a portable spiral lifting carrier roller replacing method applies portable spiral lifting carrier roller replacing equipment, wherein the portable spiral lifting carrier roller replacing equipment 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 inner side wall of the seat body is provided with a hook, the outer side wall of the seat body is assembled with a first bearing, a first rotating shaft is assembled on the first bearing, the inner end of the first rotating shaft is positioned in the seat body, the inner end of the first rotating shaft is assembled with a first bevel gear, the outer end of the first rotating shaft is positioned outside the seat body, and the outer end of the first rotating shaft is assembled with a crank;
a second bearing is arranged at the upper end in the seat body, a second rotating shaft is assembled on the second bearing, a third bearing is arranged at the lower end in the seat body, and a third rotating shaft is assembled on the third bearing;
a fourth rotating shaft is arranged in the seat body, the upper end of the fourth rotating shaft is connected with the lower end of the second rotating shaft through a coupler, and the lower end of the fourth rotating shaft is connected with the upper end of the third rotating shaft through a coupler;
a second bevel gear is assembled on the fourth rotating shaft and meshed with the first bevel gear;
the upper end of the second rotating shaft and the lower end of the third rotating shaft are both assembled and connected with a screw rod seat, the tail end of the screw rod seat is exposed out of the seat body, the tail end of the screw rod seat is provided with a sleeve, a pin shaft is arranged on the sleeve, and a first pin hole which is radially formed is arranged on the sleeve;
one end of the screw rod is provided with a second pin hole which is arranged along the radial direction, one end of the screw rod is inserted into the sleeve, and the pin shaft can penetrate through the first pin hole and the second pin hole, so that the sleeve and the screw rod are assembled into a whole by the pin shaft;
the upper end and the lower end of the seat body are both hinged with a locking plate at one side of the sleeve, the locking plate is provided with a third pin hole, and the pin shaft can penetrate through the first pin hole and the third pin hole so as to enable the pin shaft to assemble the sleeve and the locking plate into a whole;
the locking plate comprises a transverse plate and a vertical plate which are connected into a whole, the connecting part of the transverse plate and the vertical plate is hinged with the seat body, and a third pin hole is formed in the vertical plate; when the vertical plate is in a vertical state, the third pin hole is aligned with the first pin hole, and the transverse plate is attached to the outer surface of the seat body;
the bearing mechanism comprises a bearing plate, and both ends of the bearing plate are provided with screw nuts;
the sleeves of the screw seats below the two lifting mechanisms are assembled with the screws into a whole, the screw nuts at the two ends of the bearing plate are assembled at the other ends of the two screws, and when the screw nuts are positioned at the set positions of the screws, the sleeves of the screw seats above the two lifting mechanisms are assembled with the locking plate into a whole; or the sleeves of the screw seats above the two lifting mechanisms are assembled with the screws into a whole, the screw nuts at the two ends of the bearing plate are assembled at the other ends of the two screws, and when the screw nuts are positioned at the set positions of the screws, the sleeves of the screw seats below the two lifting mechanisms are assembled with the lock plate into a whole;
the portable screw lifting carrier roller replacing method comprises the following steps:
step 1, respectively placing two lifting mechanisms on two sides of a belt conveyor, and respectively hanging hooks of the two lifting mechanisms on belt racks on two sides of the belt conveyor;
when the upper conveying belt is lifted, the sleeves of the screw rod seats above the two lifting mechanisms and one end of the screw rods are assembled into a whole, the bearing plate is placed below the upper conveying belt, screw rod nuts at two ends of the bearing plate are assembled at the other ends of the two screw rods, the crank is manually shaken to enable the screw rod nuts to be located at the set positions of the screw rods, and at the moment, the upper conveying belt is also located at the set height position for lifting;
when the upper conveying belt is hoisted, the sleeves of the screw rod seats below the two hoisting mechanisms and the locking plate are assembled into a whole, so that the screw rod nuts are kept at the set position of the screw rod, and the upper conveying belt is also kept at the set height position for hoisting;
and 4, after the lower conveying belt or the upper conveying belt is kept at the set height position for lifting, carrying out subsequent carrier roller replacement work by an operator.
Preferably, both ends of the supporting plate are respectively provided with a reinforcing plate, and the reinforcing plates are provided with screw nuts.
Preferably, the upper surface of the supporting plate is provided with a belt pad made of soft materials.
Preferably, one side of jam plate is provided with the actuation portion, when the riser is in the horizontality, riser and actuation portion laminating.
Preferably, the attraction part is provided with a magnet, and the vertical plate is made of a magnetic material.
Preferably, a pin shaft is movably connected in the first pin hole, one end of the pin shaft is provided with a handle, and the sleeve and one end of the pin shaft are connected with a spring.
Preferably, the upper end of the inside of the seat body is provided with an upper bearing seat, and a second bearing is assembled on the upper bearing seat; and a lower bearing seat is arranged at the lower end in the seat body, and a third bearing is assembled on the lower bearing seat.
Preferably, the coupling comprises an upper flange plate, a lower flange plate and a plurality of bolts; a lower flange plate is arranged at the upper end of the fourth rotating shaft, an upper flange plate is arranged at the lower end of the second rotating shaft, and the upper flange plate is connected with the lower flange plate through bolts; the lower end of the fourth rotating shaft is provided with an upper flange plate, the upper end of the third rotating shaft is provided with a lower flange plate, and the upper flange plate is connected with the lower flange plate through bolts.
Preferably, the base and the hook are integrally formed.
The beneficial technical effects of the invention are as follows:
the portable spiral lifting carrier roller replacing method applies portable spiral lifting carrier roller replacing equipment, can be suitable for lifting the upper conveying belt and the lower conveying belt of the belt conveyor, and can be operated by a single person; only an operator needs to hang a hook of the equipment on a belt frame, a bearing plate is placed below an upper conveying belt or a lower conveying belt, a sleeve of a screw seat on one side is assembled with one end of a screw into a whole, the other end of the screw is assembled with screw nuts at two ends of the bearing plate, a crank is manually shaken, and when the screw nut (the bearing plate) is located at a set position of the screw, the sleeve of the screw seat on the other side is assembled with a locking plate into a whole to be locked; the portable spiral lifting carrier roller replacing equipment is simple to operate, safe, reliable, time-saving and labor-saving, greatly reduces the labor intensity of operators, and has high popularization and application values.
Drawings
FIG. 1 is a schematic structural diagram of a lower conveying belt lifted by a portable spiral lifting carrier roller replacing device in an embodiment of the invention;
fig. 2 is a schematic structural view of a portable spiral lifting carrier roller replacing device for lifting an upper conveying belt according to the embodiment of the invention;
fig. 3 is a schematic structural diagram of a lifting mechanism in a portable spiral lifting carrier roller replacing device according to an embodiment of the present invention, except for a lead screw;
fig. 4 is a schematic structural diagram of a screw rod in the portable spiral lifting carrier roller replacing device according to the embodiment of the invention;
fig. 5 is a schematic structural diagram of a supporting mechanism in a portable spiral lifting carrier roller replacing device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings in combination with the specific embodiments. Certain embodiments of the invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the present invention, a portable apparatus for replacing a spiral lifting idler is provided, please refer to fig. 1 to 5.
A portable spiral lifting carrier roller replacing device comprises two lifting mechanisms and a supporting mechanism.
The lifting mechanism comprises a base body 11, a hook 12, a first bevel gear 21, a second bevel gear 22, a crank 3, a screw base 41, a screw 42 and the like.
The inner side wall of the seat body 11 is provided with a hook 12, and the seat body 11 can be hung on a belt rack through the hook 12. Wherein, the seat body 11 and the hook 12 are integrally formed, so that the seat body 11 and the hook 12 are firmly and reliably connected.
The outer race of the first bearing 51 is fitted on the outer sidewall of the housing 11, and the inner race of the first bearing 51 is fitted on the first rotating shaft 61. The inner end of the first rotating shaft 61 is located inside the seat body 11, the first bevel gear 21 is assembled at the inner end of the first rotating shaft 61, the outer end of the first rotating shaft 61 is located outside the seat body 11, and the crank 3 is assembled at the outer end of the first rotating shaft 61. After the hook 12 is hung on the belt rack, the crank 3 is positioned outside the seat body 11, so that an operator can conveniently shake the crank 3, and the first bevel gear 21 can be driven to rotate by shaking the crank 3.
An upper bearing seat 71 is arranged at the upper end in the seat body 11, an outer ring of the second bearing 52 is assembled on the upper bearing seat 71, and a second rotating shaft 62 is assembled on an inner ring of the second bearing 52; the lower end of the interior of the seat body 11 is provided with a lower bearing seat 72, the outer ring of the third bearing 53 is assembled on the lower bearing seat 72, and the third rotating shaft 63 is assembled on the inner ring of the third bearing 53.
The seat body 11 is internally provided with a fourth rotating shaft 64, the upper end of the fourth rotating shaft 64 is connected with the lower end of the second rotating shaft 62 through a coupler, and the lower end of the fourth rotating shaft 64 is connected with the upper end of the third rotating shaft 63 through a coupler. Specifically, the coupler comprises an upper flange plate 81, a lower flange plate 82 and a plurality of bolts 83; a lower flange 82 is arranged at the upper end of the fourth rotating shaft 64, an upper flange 81 is arranged at the lower end of the second rotating shaft 62, and the upper flange 81 is connected with the lower flange 82 through a plurality of bolts 83; an upper flange 81 is arranged at the lower end of the fourth rotating shaft 64, a lower flange 82 is arranged at the upper end of the third rotating shaft 63, and the upper flange 81 and the lower flange 82 are connected through a plurality of bolts 83.
The fourth rotating shaft 64 is provided with a second bevel gear 22, and the second bevel gear 22 is meshed with the first bevel gear 21.
The first bevel gear 21 rotates in a horizontal position to drive the second bevel gear 22 to rotate in a vertical position, and the rotation of the second bevel gear 22 drives the fourth rotating shaft 64 to rotate, so as to drive the second rotating shaft 62 and the third rotating shaft 63 to rotate.
When the second bevel gear 22 needs to be repaired or disassembled for replacement, the second bevel gear is disassembled by disassembling the couplings at the two ends of the fourth rotating shaft 64, specifically, the bolts 83 connecting the upper flange 81 and the lower flange 82.
The upper end of the second rotating shaft 62 and the lower end of the third rotating shaft 63 are both connected with the screw rod seat 41 in an assembling manner, the tail end of the screw rod seat 41 is exposed out of the seat body 11, the tail end of the screw rod seat 41 is arranged to be a sleeve 411, a pin shaft 45 is arranged on the sleeve 411, a first pin hole is arranged on the sleeve 411, and the first pin hole is arranged along the radial direction of the sleeve 411. Specifically, a pin 45 is movably connected in the first pin hole, one end of the pin 45 is provided with a handle 43, and a spring 44 is connected between the sleeve 411 and one end of the pin 45. The operator pulls the handle 43 manually to pull the pin 45 out of the first pin hole, releases the handle 43, and reinserts the pin 45 into the first pin hole under the action of the spring 44.
One end of the screw rod 42 is provided with a second pin hole 421, and the second pin hole 421 is opened along the radial direction of the screw rod 42. An operator manually pulls the handle 43 to pull the pin shaft 45 out of the first pin hole, one end of the lead screw 42 is inserted into the sleeve 411, the operator loosens the handle 43, and the pin shaft 45 can pass through the first pin hole and the second pin hole 421, so that the pin shaft 45 assembles the sleeve 411 and one end of the lead screw 42 into a whole.
The upper end of the seat body 11 is hinged with a locking plate 46 at one side of the sleeve 411, the lower end of the seat body 11 is also hinged with a locking plate 46 at one side of the sleeve 411, and the locking plate 46 is provided with a third pin hole. The operator turns the locking plate 46 to align the third pin hole with the first pin hole, and the pin 45 may pass through the first pin hole and the third pin hole, so that the pin 45 assembles the sleeve 411 and the locking plate 46 into a whole.
Specifically, the locking plate 46 includes a horizontal plate and a vertical plate connected together, the connecting portion of the horizontal plate and the vertical plate is hinged to the seat body 11, and the vertical plate is provided with a third pin hole. The locking plate 46 is rotated so that the third pin hole is aligned with the first pin hole when the riser is in the vertical position. The cross plate abuts the outer surface of the base 11 so that the cross plate supports the entire lock plate 46. An attraction part 47 is arranged on one side of the locking plate 46, the locking plate 46 is rotated, and when the vertical plate is in a horizontal state, the vertical plate is attached to the attraction part 47 to fix the locking plate 46. The attraction portion 47 in this embodiment is provided as a magnet, and the vertical plate is made of a magnetic material, so that the attraction portion 47 is magnetically attracted to the vertical plate.
The holding mechanism includes a holding plate 91, a reinforcing plate 92, a screw nut 93, and a belt pad 94. Both ends of bearing board 91 all are equipped with reinforcing plate 92, set up screw nut 93 on the reinforcing plate 92 to make screw nut 93 assemble firmly, improve bearing board 91's life. The upper surface of the supporting plate 91 is provided with a belt pad 94, and the belt pad 94 is made of soft material, such as rubber, so that the belt pad 94 contacts the conveying belt to avoid the conveying belt from being worn during the lifting process.
When the lower conveying belt needs to be lifted, an operator hangs the hook 12 of the equipment on a belt frame, places the bearing plate 91 and the belt pad 94 below the lower conveying belt, assembles the sleeves 411 of the screw seats 41 below the two lifting mechanisms and one end of the screws 42 into a whole, assembles the screw nuts 93 at two ends of the bearing plate 91 at the other ends of the screws 42, manually shakes the crank 3 to enable the screw nuts 93 (the bearing plate 91) to be at the set position of the screws 42, at the moment, the lower conveying belt is also at the set height position for lifting, assembles the sleeves 411 of the screw seats 41 above the two lifting mechanisms and the locking plate 46 into a whole, enables the screw nuts 93 (the bearing plate 91) to be kept at the set position of the screws 42, and enables the lower conveying belt to be kept at the set height position for lifting.
When the upper conveying belt needs to be lifted, an operator hangs the hook 12 of the equipment on a belt frame, places the bearing plate 91 and the belt pad 94 below the upper conveying belt, assembles the sleeves 411 of the screw seats 41 above the two lifting mechanisms and one end of the screws 42 into a whole, assembles the screw nuts 93 at two ends of the bearing plate 91 at the other ends of the screws 42, manually shakes the crank 3 to enable the screw nuts 93 (the bearing plate 91) to be at the set position of the screws 42, at the moment, the upper conveying belt is also at the set height position for lifting, assembles the sleeves 411 of the screw seats 41 below the two lifting mechanisms and the locking plate 46 into a whole, enables the screw nuts 93 (the bearing plate 91) to be kept at the set position of the screws 42, and enables the upper conveying belt to be kept at the set height position for lifting.
After the lower conveying belt or the upper conveying belt is kept at the set height position for lifting, an operator can perform subsequent carrier roller replacement work.
In an embodiment of the present invention, a portable spiral lifting carrier roller replacing method is further provided, where the portable spiral lifting carrier roller replacing apparatus is applied, and the method includes the following steps:
step 1, respectively placing two lifting mechanisms on two sides of a belt conveyor, and respectively hanging hooks 12 of the two lifting mechanisms on belt racks on two sides of the belt conveyor;
when the upper conveying belt is hoisted, the sleeves 411 of the screw rod seats 41 above the two hoisting mechanisms are assembled with one ends of the screw rods 42 into a whole, the bearing plate 91 and the belt pad 94 are placed below the upper conveying belt, the screw rod nuts 93 at two ends of the bearing plate 91 are assembled at the other ends of the two screw rods 42, the crank 3 is manually shaken, the screw rod nuts 93 (the bearing plate 91) are positioned at the set position of the screw rods 42, and the upper conveying belt is also positioned at the set height position of hoisting;
when the upper conveying belt is hoisted, the sleeves 411 of the screw rod seats 41 below the two hoisting mechanisms and the locking plate 46 are assembled into a whole, so that the screw rod nuts 93 (bearing plates 91) are kept at the set positions of the screw rods 42, and the upper conveying belt is also kept at the set height position of hoisting;
and 4, after the lower conveying belt or the upper conveying belt is kept at the set height position for lifting, carrying out subsequent carrier roller replacement work by an operator.
So far, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should clearly recognize that the portable helical elevating idler replacing apparatus of the present invention is suitable for use in a high-speed conveyor. The invention can be suitable for the hoisting of the upper conveying belt and the lower conveying belt of the belt conveyor and can be operated by a single person; only an operator needs to hang the hook 12 of the device on a belt frame, place the bearing plate 91 and the belt pad 94 below the upper conveying belt or the lower conveying belt, assemble the sleeve 411 of the screw seat 41 on one side and one end of the screw 42 into a whole, assemble the screw nuts 93 at two ends of the bearing plate 91 at the other end of the screw 42, manually shake the crank 3, and when the screw nut 93 (the bearing plate 91) is at the set position of the screw 42, assemble the sleeve 411 of the screw seat 41 on the other side and the locking plate 46 into a whole and lock; the portable spiral lifting carrier roller replacing equipment is simple to operate, safe, reliable, time-saving and labor-saving, greatly reduces the labor intensity of operators, and has high popularization and application values.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A portable spiral lifting carrier roller replacing method is characterized in that portable spiral lifting carrier roller replacing equipment is applied, and the portable spiral lifting carrier roller replacing equipment 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 inner side wall of the seat body is provided with a hook, the outer side wall of the seat body is assembled with a first bearing, a first rotating shaft is assembled on the first bearing, the inner end of the first rotating shaft is positioned in the seat body, the inner end of the first rotating shaft is assembled with a first bevel gear, the outer end of the first rotating shaft is positioned outside the seat body, and the outer end of the first rotating shaft is assembled with a crank;
a second bearing is arranged at the upper end in the seat body, a second rotating shaft is assembled on the second bearing, a third bearing is arranged at the lower end in the seat body, and a third rotating shaft is assembled on the third bearing;
a fourth rotating shaft is arranged in the seat body, the upper end of the fourth rotating shaft is connected with the lower end of the second rotating shaft through a coupler, and the lower end of the fourth rotating shaft is connected with the upper end of the third rotating shaft through a coupler;
a second bevel gear is assembled on the fourth rotating shaft and meshed with the first bevel gear;
the upper end of the second rotating shaft and the lower end of the third rotating shaft are both assembled and connected with a screw rod seat, the tail end of the screw rod seat is exposed out of the seat body, the tail end of the screw rod seat is provided with a sleeve, a pin shaft is arranged on the sleeve, and a first pin hole which is radially formed is arranged on the sleeve;
one end of the screw rod is provided with a second pin hole which is arranged along the radial direction, one end of the screw rod is inserted into the sleeve, and the pin shaft can penetrate through the first pin hole and the second pin hole, so that the sleeve and the screw rod are assembled into a whole by the pin shaft;
the upper end and the lower end of the seat body are hinged with a locking plate on one side of the sleeve, the locking plate is provided with a third pin hole, and the pin shaft can penetrate through the first pin hole and the third pin hole so as to assemble the sleeve and the locking plate into a whole;
the locking plate comprises a transverse plate and a vertical plate which are connected into a whole, the connecting part of the transverse plate and the vertical plate is hinged with the seat body, and the vertical plate is provided with a third pin hole; when the vertical plate is in a vertical state, the third pin hole is aligned to the first pin hole, and the transverse plate is attached to the outer surface of the seat body;
the bearing mechanism comprises a bearing plate, and both ends of the bearing plate are provided with screw nuts;
the sleeves of the screw seats below the two lifting mechanisms are assembled with the screws into a whole, the screw nuts at the two ends of the bearing plate are assembled at the other ends of the two screws, and when the screw nuts are positioned at the set positions of the screws, the sleeves of the screw seats above the two lifting mechanisms are assembled with the locking plate into a whole; or the sleeves of the screw seats above the two lifting mechanisms are assembled with the screws into a whole, the screw nuts at two ends of the bearing plate are assembled at the other ends of the two screws, and when the screw nuts are positioned at the set positions of the screws, the sleeves of the screw seats below the two lifting mechanisms are assembled with the lock plate into a whole;
the portable screw lifting carrier roller replacing method comprises the following steps:
step 1, respectively placing two lifting mechanisms on two sides of a belt conveyor, and respectively hanging hooks of the two lifting mechanisms on belt racks on two sides of the belt conveyor;
step 2, when the lower conveying belt is lifted, assembling a sleeve of a screw rod seat below the two lifting mechanisms and one end of a screw rod into a whole, placing a bearing plate below the lower conveying belt, assembling screw rod nuts at two ends of the bearing plate at the other ends of the two screw rods, manually shaking a crank to enable the screw rod nuts to be located at set positions of the screw rods, and then enabling the lower conveying belt to be located at a set height position for lifting;
when the upper conveying belt is lifted, the sleeves of the screw rod seats above the two lifting mechanisms and one end of the screw rods are assembled into a whole, the bearing plate is placed below the upper conveying belt, screw rod nuts at two ends of the bearing plate are assembled at the other ends of the two screw rods, the crank is manually shaken to enable the screw rod nuts to be located at the set positions of the screw rods, and at the moment, the upper conveying belt is also located at the set height position for lifting;
step 3, when the lower conveying belt is lifted, the sleeves of the screw rod seats above the two lifting mechanisms and the locking plate are assembled into a whole, so that the screw rod nuts are kept at the set positions of the screw rods, and the lower conveying belt is also kept at the set height position for lifting;
when the upper conveying belt is hoisted, the sleeves of the screw rod seats below the two hoisting mechanisms and the locking plate are assembled into a whole, so that the screw rod nuts are kept at the set position of the screw rod, and the upper conveying belt is also kept at the set height position for hoisting;
and 4, after the lower conveying belt or the upper conveying belt is kept at the set height position for lifting, carrying out subsequent carrier roller replacement work by an operator.
2. A portable screw elevating idler exchange method as claimed in claim 1 wherein: both ends of the bearing plate are respectively provided with a reinforcing plate, and a screw nut is arranged on the reinforcing plate.
3. A portable screw elevating idler exchange method as claimed in claim 1 wherein: the upper surface of the bearing plate is provided with a belt pad made of soft materials.
4. A portable screw lifting idler replacement method as claimed in claim 1, in which: one side of jam plate is provided with the actuation portion, when the riser is in the horizontality, riser and actuation portion laminating.
5. A portable screw elevating idler exchange method as claimed in claim 4 wherein: the actuation portion sets up to magnet, the riser is made by magnetic material.
6. A portable screw lifting idler replacement method as claimed in claim 1, in which: a pin shaft is movably connected in the first pin hole, one end of the pin shaft is provided with a handle, and a spring is connected with one end of the sleeve and one end of the pin shaft.
7. A portable screw lifting idler replacement method as claimed in claim 1, in which: an upper bearing seat is arranged at the upper end inside the seat body, and a second bearing is assembled on the upper bearing seat; and a lower bearing seat is arranged at the lower end in the seat body, and a third bearing is assembled on the lower bearing seat.
8. A portable screw elevating idler exchange method as claimed in claim 1 wherein: the coupler comprises an upper flange plate, a lower flange plate and a plurality of bolts; the upper end of the fourth rotating shaft is provided with a lower flange plate, the lower end of the second rotating shaft is provided with an upper flange plate, and the upper flange plate is connected with the lower flange plate through bolts; the lower end of the fourth rotating shaft is provided with an upper flange, the upper end of the third rotating shaft is provided with a lower flange, and the upper flange is connected with the lower flange through bolts.
9. A portable screw elevating idler exchange method as claimed in claim 1 wherein: the base body and the hook are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207857.7A CN113942953B (en) | 2020-09-23 | 2020-09-23 | Portable spiral lifting carrier roller replacing method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008578.3A CN112249955B (en) | 2020-09-23 | 2020-09-23 | Portable spiral lifting carrier roller replacing equipment |
| CN202111207857.7A CN113942953B (en) | 2020-09-23 | 2020-09-23 | Portable spiral lifting carrier roller replacing method |
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| CN115229467B (en) * | 2022-08-08 | 2023-05-05 | 焦作科瑞森重装股份有限公司 | Inspection maintenance vehicle for long-distance belt conveyor |
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| JPH0867320A (en) * | 1994-08-31 | 1996-03-12 | Mitsubishi Materials Corp | Jig for replacing roller of belt conveyer |
| CN202656122U (en) * | 2012-04-28 | 2013-01-09 | 承德建龙特殊钢有限公司 | Device for replacing supporting roll |
| CN104843419A (en) * | 2015-01-22 | 2015-08-19 | 安徽新瑞重工股份有限公司 | Carrier roller replacing device |
| CN207390309U (en) * | 2017-10-19 | 2018-05-22 | 中国矿业大学(北京) | A kind of carrier roller of belt conveyer more changing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112249955B (en) | 2022-02-01 |
| CN112249955A (en) | 2021-01-22 |
| CN113942953A (en) | 2022-01-18 |
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