CN119284695A - A safe anti-fall construction hoist - Google Patents
A safe anti-fall construction hoist Download PDFInfo
- Publication number
- CN119284695A CN119284695A CN202411819281.3A CN202411819281A CN119284695A CN 119284695 A CN119284695 A CN 119284695A CN 202411819281 A CN202411819281 A CN 202411819281A CN 119284695 A CN119284695 A CN 119284695A
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- Prior art keywords
- plate
- rod
- brake
- gear
- sliding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
本发明涉及升降机技术领域，具体涉及一种安全型防坠落式施工升降机，包括升降机底板，升降机底板的左右两顶端上分别固定安装有升降架体，两个升降架体的顶端之间固定安装有稳定梁板，稳定梁板的顶端固定安装有电机底座，电机底座上固定安装有双轴电机，两个升降架体的靠近端上分别固定安装有竖向板，两个竖向板上分别开设有定位槽，两个竖向板之间安装有上下滑动的升降斗，升降斗的左右两端分别固定安装有位于对应的定位槽内部的滑块，两个滑块上分别固定安装有固定块，双轴电机的两端分别安装有卷轮，两个卷轮与下方对应的固定块之间分别安装有拉绳，升降斗的左右两端分别设置有制动组件。通过两次有效的摩擦制动，提高了升降机的安全性。
The present invention relates to the technical field of elevators, and specifically to a safe anti-fall construction elevator, comprising an elevator bottom plate, a lifting frame body is fixedly installed on the left and right top ends of the elevator bottom plate, a stabilizing beam plate is fixedly installed between the top ends of the two lifting frames, a motor base is fixedly installed on the top end of the stabilizing beam plate, a double-axis motor is fixedly installed on the motor base, vertical plates are fixedly installed on the near ends of the two lifting frames, positioning grooves are respectively provided on the two vertical plates, a lifting bucket that slides up and down is installed between the two vertical plates, sliders located inside the corresponding positioning grooves are fixedly installed on the left and right ends of the lifting bucket, fixed blocks are fixedly installed on the two sliders, reels are installed on the two ends of the double-axis motor, pull ropes are installed between the two reels and the corresponding fixed blocks below, and brake assemblies are respectively provided on the left and right ends of the lifting bucket. The safety of the elevator is improved by two effective friction brakes.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a safe anti-falling construction elevator.
Background
In recent years, with the gradual acceleration of industrialized footsteps, a lifter is widely applied to various industries such as factories, construction sites, coal mines and the like, and the lifter is a lifting mechanical device which can lift goods or staff at the bottom to a high position for operation, so that the working efficiency is greatly improved, and therefore, in building construction, the staff often uses the lifter to lift or carry the goods.
Although the lift has made things convenient for staff's operation of ascending a height, in the in-service use, current lift usually uses motor drive cable to coil around haulage rope to realize the lift of lift, after long-time use, the haulage rope can appear because the great phenomenon of breaking of taking place of load, thereby lead to the lift to take place to fall, and then has caused the threat to staff's life safety, although be equipped with damping device on some lifts, but these devices use inconvenient, the shock attenuation effect is not good.
Accordingly, the present invention provides a safe fall protection construction lifter to solve the above problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a safe anti-falling construction elevator, which effectively solves the problem that when a traction rope on the existing elevator breaks, the elevator falls, thereby threatening the life safety of personnel.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a safe type anti-falling formula construction elevator, includes the lift bottom plate, fixed mounting has the lift support body respectively on the left and right sides top of lift bottom plate, two fixed mounting has stable beam board between the top of lift support body, the top fixed mounting of stable beam board has motor base, fixed mounting has biax motor on the motor base, two on the close to of lift support body respectively fixed mounting have vertical board, two have seted up the constant head tank on the vertical board respectively, two install the lift bucket of upper and lower gliding between the vertical board, the both ends are located the inside slider of constant head tank that corresponds respectively about the lift bucket, two respectively fixed mounting has the fixed block on the slider, the reel is installed respectively at the both ends of biax motor, installs the stay cord respectively between the fixed block that two reels correspond with the below, both ends are provided with brake assembly respectively about the lift bucket.
Preferably, the brake assembly comprises brake boxes, wherein the left side and the right side of the bottom end of the lifting bucket are respectively and fixedly provided with the brake boxes, the interiors of the two brake boxes are respectively provided with a brake push plate, the bottom end of the lifting bucket is respectively and fixedly provided with two fixed vertical plates, a brake spring is fixedly arranged between each fixed vertical plate and the brake push plate on the same side, the two brake push plates are respectively and fixedly provided with a guide rod, the outer ends of the two brake push plates are respectively and fixedly provided with a movable friction block, the front end and the rear end of the inner side of each vertical plate are respectively provided with a friction groove, the interiors of the two friction grooves are respectively provided with a fixed friction block, and the two sliding blocks are respectively provided with a detection assembly.
Preferably, a buffer plate is arranged at the top end of the bottom plate of the elevator, four hidden grooves are formed in the buffer plate, swinging blocks are rotatably arranged in the hidden grooves, sliding rods are slidably arranged at the top ends of the swinging blocks, pressure blocks are fixedly arranged at the top ends of the sliding rods, and buffer springs are sleeved on the sliding rods.
The detection assembly comprises a first detection rod and a second detection rod, wherein the front side of the top end of each sliding block is slidably provided with the first detection rod, the rear side of the top end of each sliding block is slidably provided with the second detection rod, a pulling spring is respectively arranged between each fixed block and the first detection rod and the second detection rod, the outer ends of the two fixed blocks are respectively and rotatably provided with a first gear, the first detection rod and the second detection rod are respectively and fixedly provided with a first rack meshed with the first gear, the bottom ends of the two sliding blocks are respectively and fixedly provided with an extension plate, each extension plate is rotatably provided with a second gear, a driving belt pulley group is arranged between the first gear and the second gear on the same side, the bottom end of each extension plate is fixedly provided with a synchronous plate, each synchronous plate is respectively and slidably provided with a second toothed plate meshed with the second gear, each second toothed plate is respectively and fixedly provided with a first toothed plate meshed with the first gear, the first toothed plate is respectively and fixedly arranged on the second toothed plate, the second toothed plate is respectively and fixedly provided with a linkage plate which is in contact with the bottom end of each sliding rod.
Preferably, a coaxial rod is arranged between the two swinging blocks positioned on the same side, a linkage belt wheel set is connected between the two coaxial rods, and a trigger assembly is arranged at the rear end of the buffer plate.
Preferably, a limit frame is fixedly arranged at the bottom end of each linkage plate, a positioning block is fixedly arranged at the bottom end of each limit frame, a built-in plate is fixedly arranged at the bottom end of each synchronous plate, a built-in shell is fixedly arranged at the inner end of each built-in plate, push rods are respectively and slidably arranged at the front end and the rear end of each built-in shell, a driving connecting rod is arranged between each push rod and the positioning block at the same side, a contraction spring is respectively arranged on each positioning block, and friction holes are respectively arranged at the front end and the rear end of each positioning groove.
Preferably, the trigger assembly comprises a sliding rack, the sliding rack is slidably arranged at the bottom end of the buffer plate, a descending rod is slidably arranged at the rear end of the buffer plate up and down, a compression spring is arranged on the descending rod, a bending plate is fixedly arranged at the rear end of the lifting bucket, a rotating shaft is arranged between the two bending plates, rolling wheels are respectively arranged at two ends of the rotating shaft, a self-rotating wheel is fixedly arranged on the rotating shaft, a concave cavity is formed in the self-rotating wheel, and a reset spring and a compression rod are arranged in the concave cavity.
Preferably, the front ends of the two lifting frame bodies are respectively and fixedly provided with an auxiliary plate, and each auxiliary plate is fixedly provided with an auxiliary rod.
Preferably, clamping plates are respectively and fixedly arranged at the left and right top ends of the stabilizing beam plate, and inclined rods are arranged between each lifting frame body and the lifting bottom plate.
Compared with the prior art, the invention has the beneficial effects that:
1. When the stay cord breaks, pulling spring is close to each other with first measuring rod and second measuring rod, and first rack, first gear, drive belt pulley train, the second gear synchronous motion of this moment, can break away from the contact plate in the twinkling of an eye of removal slide bar and contact, and braking spring is with pushing the braking push pedal and laminating with vertical board, makes the fixed friction piece of removal friction piece extrusion, forms and removes frictional force, realizes the slow steady decline of lift bucket, avoids the emergence of accident, has improved the security of lift.
2. After the movable slide bar is separated from the contact plate, the linkage plate moves outwards with the limit frame, so that friction force is formed by extrusion between the extrusion ball and the friction ball, the falling speed of the lifting bucket can be further slowed down, the safety is improved due to linkage fit between the components, and the safety of the lifter is improved through two-time effective friction braking.
3. When the two friction braking malfunctions, the depression bar is thrown away fast from the cavity inside to the top of pressing the decline pole is moving downwards, and the trigger gear is being engaged to the slip rack and is rotating, and four swing blocks rotate into vertical state, and the bottom surface of going up and down the fill is pressed on the top of four pressure blocks, and the slide bar slides to the inside of swing block, because buffer spring's compression plays fine cushioning effect, and the shock attenuation is better, and it is more convenient to use, has also reduced the impact of going up and down the fill, has prolonged the life of equipment, has ensured the later stage normal operating of lift.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic view of a vertical plate structure of the present invention;
FIG. 4 is a schematic view of a sliding rack position installation of the present invention;
FIG. 5 is a schematic view of a lift bucket structure according to the present invention;
FIG. 6 is a schematic diagram of a positioning slot according to the present invention;
FIG. 7 is a schematic view of a buffer plate structure of the present invention;
FIG. 8 is a schematic illustration of a brake cartridge position installation of the present invention;
FIG. 9 is a schematic view of a brake push plate according to the present invention;
FIG. 10 is a schematic diagram of the motor base and dual shaft motor condition of the present invention;
FIG. 11 is a schematic perspective view of a spinning wheel according to the present invention;
FIG. 12 is an enlarged schematic view of the invention at A in FIG. 5;
FIG. 13 is an enlarged schematic view of the invention at B in FIG. 6;
fig. 14 is an enlarged schematic view of fig. 7 at C in accordance with the present invention.
The figure is marked with 1, a lifter bottom plate; 2, lifting frame body, 3, stabilizing beam plate, 4, motor base, 5, double-shaft motor, 6, vertical plate, 7, positioning slot, 8, lifting bucket, 9, sliding block, 10, fixing block, 11, rolling wheel, 12, stay rope, 13, brake box, 14, brake push plate, 15, fixing vertical plate, 16, brake spring, 17, guide rod, 19, moving friction block, 20, friction slot, 21, fixing friction block, 22, buffer plate, 23, hidden slot, 24, swinging block, 25, sliding rod, 26, pressure block, 27, buffer spring, 28, first detecting rod, 29, second detecting rod, 30, pulling spring, 31, first gear, 32, first gear, 33, extending plate, 34, second gear, 35, driving belt wheel set, 36, synchronous plate, 37, second gear plate, 38, moving slide rod, 39, 40, contact plate, 41, same shaft rod, 42, linkage belt wheel set, 43, limit frame, 44, 45, inner gear, 46, connecting rod, 48, sliding rod, 60, rotary shaft, 60, auxiliary gear, 58, concave cavity, rotary shaft, 60, rotary shaft, auxiliary gear, 33, 35, rotary shaft, 60.
Detailed Description
The following describes embodiments of the present invention in detail with reference to fig. 1 to 14, and it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
The utility model provides a safe anti-falling construction elevator, as shown in figures 1,3, 5, 10 and 12, comprises an elevator base plate 1, elevator frame bodies 2 are respectively fixedly installed on the top ends of the left side and the right side of the elevator base plate 1, the elevator frame bodies 2 are vertically arranged upwards, a stabilizing beam plate 3 is fixedly installed between the top ends of the two elevator frame bodies 2, the stabilizing beam plate 3 can provide support stability for the two elevator frame bodies 2, a motor base 4 is fixedly installed on the top end of the stabilizing beam plate 3, a double-shaft motor 5 is fixedly installed on the motor base 4, the double-shaft motor 5 is connected with an external controller, the controller is connected with an external power supply, vertical plates 6 are respectively fixedly installed on the mutually approaching ends of the two elevator frame bodies 2, vertical positioning grooves 7 are respectively formed on the two vertical plates 6, a lifting bucket 8 which slides up and down is arranged between the two vertical plates 6, sliding blocks 9 are respectively and fixedly arranged at the left end and the right end of the lifting bucket 8, the sliding blocks 9 are respectively and vertically arranged in corresponding positioning grooves 7 in a sliding manner, fixed blocks 10 are respectively and fixedly arranged at the top ends of the two sliding blocks 9, winding wheels 11 are respectively and coaxially fixedly arranged on rotating shafts at the two ends of the double-shaft motor 5, pull ropes 12 are respectively and fixedly arranged on the two winding wheels 11, the lower ends of the two pull ropes 12 are respectively and fixedly arranged on the corresponding fixed blocks 10, the pull ropes 12 are positioned in lifting frame bodies 2 at the same side, the pull ropes 12 are steel wire ropes or other suitable components, braking components are respectively arranged at the left end and the right end of the lifting bucket 8, through holes are formed in the two ends of the stable beam plate 3, and the pull ropes 12 are arranged in the through holes;
When the lifting device is used, a constructor fixes the lifting device bottom plate 1 on one side of a building wall, the rear ends of the two lifting frame bodies 2 are arranged close to the wall, the constructor places building materials in the lifting hopper 8, a power supply is started, the controller starts the double-shaft motor 5 to rotate with the two winding wheels 11, the two pull ropes 12 lift with the fixing blocks 10 when being wound on the winding wheels 11, the pull ropes 12 slide up and down along the corresponding positioning grooves 7 with the sliding blocks 9 until the lifting hopper 8 is lifted to a certain height, the double-shaft motor 5 stops rotating, the constructor can lift the building materials, and the two pull ropes 12 are in a tightening state due to the gravity of the lifting hopper 8;
when the stay cord 12 breaks, the brake component can brake the lifting bucket 8 immediately, so that the lifting bucket 8 is prevented from descending rapidly, the lifting bucket 8 is enabled to move downwards slowly, the damage of the lifting bucket 8 can be reduced, the damage to people is avoided, and the safety of the lifter is also improved.
As shown in fig. 6, 9 and 13, the brake assembly includes a brake box 13, the left and right sides of the bottom end of the lifting bucket 8 are respectively and fixedly provided with the brake box 13, the mutually far ends of the two brake boxes 13 are in an opening structure, the inside of the two brake boxes 13 is respectively and horizontally slidably provided with a brake push plate 14, the brake push plate 14 can slide left and right along the inside of the brake box 13, the bottom end of the lifting bucket 8 is fixedly provided with two fixed risers 15, one end of the fixed riser 15 far from the brake box 13 on the same side is provided with a brake spring 16, the other end of the brake spring 16 is fixedly provided with the brake push plate 14 on the same side, the two ends of the fixed riser 15 are respectively and fixedly provided with a guide rod 17, the guide rods 17 are respectively and fixedly provided with a movable friction block 19, the front and rear ends of the inner side surfaces of the two vertical plates 6 are respectively provided with a friction groove 20, the two inner sides of the two friction plates 20 are respectively and uniformly provided with a plurality of friction blocks 21, and the two friction detection assemblies are respectively and fixedly provided with a plurality of friction blocks 21;
when the lifting bucket 8 is lifted, one of the pull ropes 12 is detected to be broken by the detection assembly in the lifting process, the corresponding brake spring 16 can instantly push the brake push plate 14 to be attached to the vertical plate 6, the movable friction block 19 presses the fixed friction block 21, friction force between the movable friction block 19 and the fixed friction block 21 can be increased, then the double-shaft motor 5 can lift the lifting bucket 8, the movable friction block 19 can slide against the fixed friction block 21 until the lifting bucket 8 slowly descends, and the lifting bucket 8 can slowly descend through the cooperation among the pull ropes 12, the movable friction block 19 and the fixed friction block 21, so that the safety of the lifting bucket 8 is improved;
When the detection assembly detects that the two pull ropes 12 are broken, the corresponding brake push plates 14 are instantaneously pushed to be attached to the vertical plates 6 by the brake springs 16 on the left side and the right side, the fixed friction blocks 21 are extruded by the movable friction blocks 19, the movable friction blocks 19 at the moment slide downwards along the fixed friction blocks 21 until the lifting bucket 8 slowly descends, and due to the fact that certain friction force exists between the movable friction blocks 19 and the fixed friction blocks 21, the lifting bucket 8 slowly descends, the phenomenon that the lifting bucket 8 suddenly and rapidly descends is avoided, the safety of the lifter is improved, and the service life of the lifter is prolonged.
As shown in fig. 7 and 14, a buffer plate 22 is fixedly installed on the top end of the elevator base plate 1, the buffer plate 22 is arranged right below the elevator bucket 8, four hidden grooves 23 are formed in the buffer plate 22, the hidden grooves 23 are of an L-shaped mechanism, the four hidden grooves 23 are symmetrically arranged, a swinging block 24 is rotatably installed in one end of each hidden groove 23, a sliding rod 25 is slidably installed on the top end of each swinging block 24, a pressure block 26 is fixedly installed on the top end of each sliding rod 25, a buffer spring 27 is sleeved on each sliding rod 25, one end of each buffer spring 27 is fixedly installed on the pressure block 26, the other end of each buffer spring 27 is fixedly installed on the corresponding swinging block 24, and the swinging block 24, the sliding rod 25, the pressure block 26 and the buffer spring 27 are completely hidden in the corresponding hidden groove 23 in a normal state;
When two arresting gear appear malfunctioning or damage, lift fill 8 descend to near buffer board 22 fast, four swing pieces 24 at this moment can rotate into vertical state, the bottom surface of lift fill 8 can be pressed and four pressure piece 26 contacts, because lift fill 8 has certain impact force, slide bar 25 slides to swing piece 24's inside, buffer spring 27 compression unloads the power, can play fine cushioning effect to lift fill 8, the impact force and the damage of lift fill 8 have been reduced, the life of lift has also been improved, the huge impact has been avoided appearing, life has been prolonged, the normal operating of lift later stage has been ensured.
As shown in fig. 9, 12 and 13, the detection assembly includes a first detection rod 28 and a second detection rod 29, the length of the first detection rod 28 is smaller than that of the second detection rod 29, the top ends of the first detection rod 28 and the second detection rod 29 are respectively fixedly provided with a sliding plate, the sliding plate is in sliding contact with the outer surface of the pull rope 12 in a normal state, the front side and the rear side of the top end of each sliding block 9 are respectively fixedly provided with a first detection rod 28 in a sliding manner, the rear side of the top end of each sliding block 9 is respectively provided with a second detection rod 29 in a sliding manner, the top end of the second detection rod 29 on the same side is higher than that of the first detection rod 28, the front end and the rear end of each fixed block 10 are respectively fixedly provided with a pulling spring 30, the other end of the front pulling spring 30 is fixedly provided with the second detection rod 29, the front end and the rear end of the pulling spring 30 are respectively fixedly provided with a limiting plate, and the front end and the rear end of each sliding block 9 are respectively fixedly provided with a limiting plate, and the limiting plate and the front end and the rear end of each sliding block 9 are respectively in a state of the limiting plate and the pulling spring is in a state of being in contact with the first detection rod and the pulling spring 29 and the pulling spring 30.
A first gear 31 is rotatably mounted on the outer ends of the two fixed blocks 10, a first rack 32 meshed with the first gear 31 is fixedly mounted on the first detection rod 28, a first rack 32 meshed with the first gear 31 is fixedly mounted on the second detection rod 29, a downward extending plate 33 is fixedly mounted on the bottom ends of the two sliding blocks 9, a second gear 34 is rotatably mounted on the outer end of each extending plate 33, a driving belt pulley set 35 is mounted between the first gear 31 and the second gear 34 on the same side, the driving belt pulley set 35 comprises two driving belt pulleys and a driving belt, driving belt pulleys are coaxially and fixedly mounted on the first gear 31 and the second gear 34 on the same side respectively, a driving belt is connected between the two driving belt pulleys on the same side, a synchronizing plate 36 is fixedly arranged at the bottom end of each extending plate 33, the synchronizing plate 36 is vertically and slidably arranged in the positioning groove 7, a second toothed plate 37 meshed with the second gear 34 is respectively and longitudinally slidably arranged on each synchronizing plate 36, a movable sliding rod 38 extending to the lower part of the brake box 13 is respectively and fixedly arranged on each second toothed plate 37, square holes in the left-right direction are respectively formed at the bottom end of each brake box 13, a linkage plate 39 is fixedly arranged at the bottom end of each brake push plate 14, the linkage plates 39 are arranged in the corresponding square holes, a contact plate 40 is fixedly arranged at the bottom end of each linkage plate 39, the inner ends of the movable sliding rods 38 are propped against the contact plates 40 in a normal state, and the brake springs 16 are in a stretched state;
When the dual-shaft motor is used, a power supply is started, the controller starts the dual-shaft motor 5 to rotate with the two winding wheels 11, the two pull ropes 12 are wound on the corresponding winding wheels 11, the two pull ropes 12 slide up and down along the corresponding positioning grooves 7 through the fixed blocks 10 with the sliding blocks 9, and the sliding plates on the first detection rod 28 and the second detection rod 29 always slide along the outer surfaces of the pull ropes 12;
When one of the pull ropes 12 breaks, the corresponding pull spring 30 is quickly contracted due to no blocking of the pull rope 12, the first detection rod 28 and the second detection rod 29 are close to each other, the two first racks 32 are meshed with the first gear 31 and the driving belt wheel group 35 to rotate with the second gear 34, the second gear 34 is connected with the second toothed plate 37 to slide, at the moment, one end of the movable slide rod 38 is instantaneously separated from the contact plate 40, the braking spring 16 is connected with the vertical plate 6 by pushing the braking push plate 14, the movable friction block 19 can squeeze the fixed friction block 21, and when the double-shaft motor 5 is connected with the lifting bucket 8 to descend, the movable friction block 19 can slide against the fixed friction block 21 in a friction manner until the lifting bucket 8 is slowly descended, so that safety accidents such as overspeed descending of the lifting bucket 8 are prevented, and accidents can be avoided due to the fact that the first detection rod 28 and the second detection rod 29 detect the pull ropes 12 at the moment;
when two stay ropes 12 break, because the corresponding pulling spring 30 is not blocked by the stay ropes 12, the corresponding pulling spring 30 is quickly contracted, the first detecting rod 28 and the second detecting rod 29 are close to each other, the two first racks 32 at the same time are meshed with the first gear 31 and the driving belt wheel group 35 to drive the second gear 34 to rotate, the second gear 34 is driven to slide with the second toothed plate 37, at the moment, one end of the moving slide bar 38 can be instantaneously separated from the contact plate 40, the braking spring 16 is driven to push the braking push plate 14 to be attached to the vertical plate 6, the moving friction block 19 can squeeze the fixed friction block 21, the lifting bucket 8 is slowly and stably lowered through friction force between the moving friction block 19 and the fixed friction block 21, accidents are avoided, the safety of the lifter is improved, the use is more convenient, and the practicability is stronger.
As shown in fig. 4, a coaxial rod 41 is coaxially installed between the left and right swinging blocks 24 located on the same side, the coaxial rod 41 is rotatably installed inside the buffer plate 22, a linkage belt wheel set 42 is connected between the two coaxial rods 41, the linkage belt wheel set 42 comprises two linkage belt wheels and a linkage belt, the two linkage belt wheels are coaxially and fixedly installed on the left ends of the two coaxial rods 41 respectively, the linkage belt is connected between the two linkage belt wheels, and a trigger component is arranged at the rear end of the buffer plate 22.
As shown in fig. 6, 9, 12 and 13, a limiting frame 43 is fixedly installed at the bottom end of each linkage plate 39, a limiting cavity is arranged on the limiting frame 43, a movable sliding rod 38 can slide back and forth in the limiting cavity, a positioning block 44 is fixedly installed at the bottom end of each limiting frame 43, an inner plate 45 is fixedly installed at the bottom end of each synchronizing plate 36, an inner shell 46 is fixedly installed at the inner end of each inner plate 45, inner ports are respectively formed at the mutually adjacent ends of the two inner shells 46, push rods 47 are respectively installed at the front end and the rear end of each inner port in a sliding manner, a driving connecting rod 48 is rotatably installed on each push rod 47, the other end of each driving connecting rod 48 is rotatably installed on the positioning block 44 at the same side, a contraction spring 49 is respectively fixedly installed on each positioning block 44, the other end of each contraction spring 49 is fixedly installed on the inner shell 46, vertical friction holes 50 are respectively formed at the front end and the rear end of each positioning groove 7, a plurality of friction balls are uniformly and fixedly arranged at one end of each push rod 47;
After one end of the movable slide bar 38 is separated from the contact plate 40, the brake spring 16 pushes the brake push plate 14 to be attached to the vertical plate 6, the movable friction block 19 extrudes the fixed friction block 21, the shrinkage spring 49 is fast shrunk, the linkage plate 39 moves outwards with the limit frame 43, the positioning block 44 pushes the push rod 47 to slide into the friction hole 50 through the corresponding two driving connecting rods 48, and the extrusion balls and the friction balls are mutually extruded to form friction force, so that the falling speed of the lifting bucket 8 can be further slowed down, linkage fit among all components is realized, and the safety is improved.
As shown in fig. 2,4,5 and 11, the triggering assembly comprises a sliding rack 51, a gear hole is formed on a buffer plate 22, a triggering gear positioned in the gear hole is coaxially and fixedly installed on one coaxial rod 41, the sliding rack 51 is slidably installed on the bottom end of the buffer plate 22 back and forth, the sliding rack 51 is in meshed connection with the triggering gear, an inclined plane is arranged at the rear end of the sliding rack 51, a descending rod 52 which can only slide up and down is installed at the rear end of the buffer plate 22, the bottom end of the descending rod 52 is in contact with the inclined plane of the sliding rack 51, a mounting plate is fixedly installed at the rear end of the descending rod 52, a compression spring 53 is fixedly installed on the mounting plate, the lower end of the compression spring 53 is fixedly installed on a lifter bottom plate 1, the rear end of the lifting bucket 8 is fixedly provided with two bending plates 54, a rotating shaft 55 is rotatably arranged between the two bending plates 54, two ends of the rotating shaft 55 are respectively and coaxially fixedly provided with a rolling wheel 56, the rolling wheels 56 are always in contact with the rear end surface of the vertical plate 6, the rotating shaft 55 is coaxially and fixedly provided with a self-rotating wheel 57, the self-rotating wheel 57 and the descending rod 52 are correspondingly arranged up and down, the self-rotating wheel 57 is provided with three concave cavities 58, the inside of each concave cavity 58 is fixedly provided with a reset spring 59, the other end of each reset spring 59 is fixedly provided with a pressing rod 60, the pressing rods 60 slide in the concave cavities 58, the inside of each pressing rod 60 is provided with a balancing weight, and when the double-shaft motor 5 is lifted normally with the lifting bucket 8, the pressing rods 60 are always hidden in the concave cavities 58 and the self-rotating wheel 57 cannot be in contact with the descending rod 52;
When the movable friction block 19, the fixed friction block 21, the friction ball and the extrusion ball are out of order, the lifting bucket 8 can quickly descend, the two rolling wheels 56 can quickly rotate along the vertical plate 6, when the rotating speed of the self-rotating wheel 57 reaches a certain value, the balancing weight is quickly thrown out of the concave cavity 58 with the pressing rod 60, the reset spring 59 is stretched, after the lifting bucket 8 descends to a certain position, the thrown pressing rod 60 can press the top end of the descending rod 52 to downwards move, the autorotation wheel 57 at the moment is not rotated, the two rolling wheels 56 slide along the vertical plate 6, the bottom end of the descending rod 52 slides along the inclined plane of the sliding rack 51, the sliding rack 51 simultaneously rotates along with the triggering gear, the triggering gear rotates along the corresponding coaxial rod 41, the linkage belt wheel group 42 synchronously rotates, the four swinging blocks 24 can rotate into a vertical state, the bottom surface of the lifting bucket 8 can be pressed on the four pressure blocks 26, the sliding rod 25 slides towards the inside of the swinging blocks 24, the buffer spring 27 can completely penetrate through the bottom plate 1 of the lifting bucket 8 after a certain degree of compression, the lifting bucket 8 can completely run through the bottom plate 1, the service life of the lifting bucket is prolonged, and the lifting equipment is well prolonged, and the service life of the lifting bucket is prolonged.
As shown in fig. 1, the front ends of the two lifting frame bodies 2 are respectively and fixedly provided with an auxiliary plate 61, each auxiliary plate 61 is fixedly provided with an auxiliary rod 62, the outer end of the lifting bucket 8 is fixedly provided with an ear plate, and the ear plates are slidably arranged on the auxiliary rods 62, so that stability can be provided for the lifting bucket 8.
As shown in fig. 1 and 4, clamping plates 63 are fixedly installed on the left and right top ends of the stabilizing beam plate 3 respectively, two end rotating shafts of the double-shaft motor 5 are rotatably installed on the corresponding clamping plates 63 respectively, and inclined rods 64 are fixedly installed between each lifting frame body 2 and the lifting base plate 1, so that the stability of the lifting is improved.
It should be noted that, in the description of the present invention, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements 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," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly mounted, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.
Claims (9)
1. The utility model provides a safe type anti-falling construction elevator, includes lift bottom plate (1), its characterized in that, respectively fixed mounting has lift support body (2) on the left and right sides top of lift bottom plate (1), two fixed mounting has stable beam board (3) between the top of lift support body (2), the top fixed mounting of stable beam board (3) has motor base (4), fixed mounting has biax motor (5) on motor base (4), two respectively fixed mounting have vertical board (6) on the near end of lift support body (2), two on vertical board (6) offered constant head tank (7) respectively, two install between vertical board (6) upper and lower gliding lift bucket (8), the left and right sides both ends of lift bucket (8) are fixed mounting respectively and are located slider (9) inside corresponding constant head tank (7), two respectively fixed mounting have fixed block (10) on slider (9), reel (11) are installed respectively at the both ends of biax motor (5), two respectively between reel (11) and the corresponding both ends of two below (12) are installed respectively, and are fixed mounting between the left and right side brake subassembly (12) respectively.
2. The safe anti-falling construction elevator according to claim 1, wherein the brake assembly comprises a brake box (13), the left side and the right side of the bottom end of the lifting bucket (8) are respectively and fixedly provided with the brake box (13), the inside of the two brake boxes (13) is respectively provided with a brake push plate (14), the bottom end of the lifting bucket (8) is respectively and fixedly provided with two fixed risers (15), a brake spring (16) is fixedly arranged between each fixed riser (15) and the brake push plate (14) at the same side, the two brake push plates (14) are respectively and fixedly provided with a guide rod (17), the outer ends of the two brake push plates (14) are respectively and fixedly provided with a movable friction block (19), the front end and the rear end of the inner side of the two vertical plates (6) are respectively provided with a friction groove (20), the inside of the two friction grooves (20) are respectively provided with a fixed friction block (21), and the two sliding blocks (9) are respectively provided with a detection assembly.
3. The safe anti-falling construction elevator according to claim 1, wherein a buffer plate (22) is mounted on the top end of the elevator base plate (1), four hidden grooves (23) are formed in the buffer plate (22), swinging blocks (24) are rotatably mounted in the hidden grooves (23), sliding rods (25) are slidably mounted on the top ends of the swinging blocks (24), pressure blocks (26) are fixedly mounted on the top ends of the sliding rods (25), and buffer springs (27) are sleeved on the sliding rods (25).
4. A safety fall protection construction hoist according to claim 2, characterized in that the detection assembly comprises a first detection rod (28) and a second detection rod (29), the front end of each sliding block (9) is slidably provided with the first detection rod (28), the rear end of each sliding block (9) is slidably provided with the second detection rod (29), a pulling spring (30) is respectively arranged between each fixed block (10) and the first detection rod (28) and the second detection, the outer ends of the two fixed blocks (10) are respectively rotatably provided with a first gear (31), the first detection rod (28) and the second detection rod (29) are respectively fixedly provided with a first rack (32) meshed with the first gear (31), the bottom ends of the two sliding blocks (9) are respectively fixedly provided with an extension plate (33), each extension plate (33) is rotatably provided with a second gear (34), a first gear (31) and a second gear (34) positioned on the same side are respectively rotatably provided with a second gear (34), each extension plate (36) is respectively provided with a second gear (36) and a second gear (36) is respectively fixedly provided with a second gear (36) and a same-stage plate (36), each second toothed plate (37) is fixedly provided with a movable sliding rod (38) extending to the lower part of the brake box (13), the bottom end of each brake push plate (14) is fixedly provided with a linkage plate (39), and the bottom end of each linkage plate (39) is fixedly provided with a contact plate (40).
5. A safety fall protection construction hoist according to claim 3, characterized in that a coaxial rod (41) is mounted between two swinging blocks (24) on the same side, a linkage belt wheel set (42) is connected between the two coaxial rods (41), and a trigger assembly is arranged at the rear end of the buffer plate (22).
6. The safety type anti-falling construction lifter according to claim 4, wherein a limiting frame (43) is fixedly installed on the bottom end of each linkage plate (39), a positioning block (44) is fixedly installed on the bottom end of each limiting frame (43), a built-in plate (45) is fixedly installed on the bottom end of each synchronizing plate (36), a built-in shell (46) is fixedly installed on the inner end of each built-in plate (45), push rods (47) are respectively and slidably installed at the front end and the rear end of each built-in shell (46), a driving connecting rod (48) is installed between each push rod (47) and the positioning block (44) on the same side, a contraction spring (49) is respectively installed on each positioning block (44), and friction holes (50) are respectively formed in the front end and the rear end of each positioning groove (7).
7. The safe anti-falling construction lifter according to claim 5, wherein the triggering component comprises a sliding rack (51), the sliding rack (51) is slidably mounted on the bottom end of a buffer plate (22), a descending rod (52) is mounted at the rear end of the buffer plate (22) in an up-down sliding manner, a compression spring (53) is arranged on the descending rod (52), a bending plate (54) is fixedly mounted at the rear end of the lifting bucket (8), a rotating shaft (55) is mounted between the two bending plates (54), rolling wheels (56) are respectively mounted at two ends of the rotating shaft (55), a self-rotating wheel (57) is fixedly mounted on the rotating shaft (55), a concave cavity (58) is formed in the self-rotating wheel (57), and a reset spring (59) and a pressing rod (60) are arranged in the concave cavity (58).
8. A safety fall protection construction hoist according to claim 1, characterized in that the front ends of the two lifting frames (2) are respectively fixedly provided with auxiliary plates (61), and each auxiliary plate (61) is fixedly provided with an auxiliary rod (62).
9. The safe anti-falling construction elevator according to claim 1, wherein clamping plates (63) are fixedly installed on the left and right top ends of the stabilizing beam plate (3), and a diagonal rod (64) is installed between each lifting frame body (2) and the elevator base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411819281.3A CN119284695A (en) | 2024-12-11 | 2024-12-11 | A safe anti-fall construction hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411819281.3A CN119284695A (en) | 2024-12-11 | 2024-12-11 | A safe anti-fall construction hoist |
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| Publication Number | Publication Date |
|---|---|
| CN119284695A true CN119284695A (en) | 2025-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411819281.3A Pending CN119284695A (en) | 2024-12-11 | 2024-12-11 | A safe anti-fall construction hoist |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050087442A (en) * | 2004-02-26 | 2005-08-31 | 채찬복 | System preventing elevators for use in construction site from falling |
| CN102807146A (en) * | 2012-08-07 | 2012-12-05 | 蒋振州 | Energy-saving high-efficiency construction elevator capable of preventing suspension coop from falling |
| US20160214834A1 (en) * | 2015-01-26 | 2016-07-28 | Kevin Cunningham | Elevator safety device |
-
2024
- 2024-12-11 CN CN202411819281.3A patent/CN119284695A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050087442A (en) * | 2004-02-26 | 2005-08-31 | 채찬복 | System preventing elevators for use in construction site from falling |
| CN102807146A (en) * | 2012-08-07 | 2012-12-05 | 蒋振州 | Energy-saving high-efficiency construction elevator capable of preventing suspension coop from falling |
| US20160214834A1 (en) * | 2015-01-26 | 2016-07-28 | Kevin Cunningham | Elevator safety device |
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