CN111874806A - Building pay-off hoisting device with auto-lock can reduce and vibrate - Google Patents
Building pay-off hoisting device with auto-lock can reduce and vibrate Download PDFInfo
- Publication number
- CN111874806A CN111874806A CN202010780101.0A CN202010780101A CN111874806A CN 111874806 A CN111874806 A CN 111874806A CN 202010780101 A CN202010780101 A CN 202010780101A CN 111874806 A CN111874806 A CN 111874806A
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- Prior art keywords
- fixedly connected
- groove
- cavity
- rope winding
- winding wheel
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Classifications
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to a building feeding and lifting device with self-locking and vibration reduction functions, which comprises two left and right side fixing rods fixedly connected to the ground, an upper fixing shell is fixedly connected between the two side fixing rods, the device comprises a damping and anti-falling device, the damping and anti-falling device comprises a lifting slide block, a through groove is connected between the upper end surface and the lower end surface of the lifting slide block, and the through groove is in sliding connection with the side fixing rods, when a motor rotates forwards, the device can prevent a heavy object from falling off due to breakage of a load stay cord, so that harm is caused to a human body, meanwhile, the rope winding wheel shaft can only rotate forwards by starting an air pump, so that the failure of the damping and anti-falling device and the falling of the heavy object caused by the failure and the failure of the motor when the motor is shut down are avoided, and the risk of falling of the heavy object is reduced.
Description
Technical Field
The invention relates to the technical field of building feeding, in particular to a building feeding lifting device with self-locking and vibration reduction functions.
Background
The building site is often used the lifting machine when transporting the material, makes the material of place transport to exceed, transports on the way, generally does not have safeguard measure, if when focus when heavy object initial position and the different vertical lines of atress direction, can cause the heavy object to rock, the condition that the material that probably causes to transport drops, when the motor burns out the shut down in the change production fracture or transportation is carelessly paid attention to at the load stay cord simultaneously, and the heavy object falls and can cause the threat in the safety to following personnel.
Disclosure of Invention
Aiming at the defects of the technology, the invention provides a building feeding and lifting device with self-locking and vibration reduction functions, which can overcome the defects.
The invention relates to a building feeding and lifting device with self-locking and vibration reduction functions, which comprises two left and right side fixing rods fixedly connected to the ground, an upper fixing shell fixedly connected between the two side fixing rods, a damping and anti-falling device, a lifting slide block, a through groove connected between the upper end surface and the lower end surface of the lifting slide block, a counterweight block positioned between the two side fixing rods, a counterweight block fixedly connected between the counterweight block and the side fixing rods, first rope winding wheel grooves arranged on the left end surface and the right end surface of the counterweight block, a first rotating shaft rotatably connected between the front end wall and the rear end wall of each first rope winding wheel groove, and a first rope winding wheel fixedly connected on the first rotating shaft, a torsion spring is fixedly connected between the first rotating shaft and the front end wall of the first rope winding wheel groove, a safety pull rope is fixedly connected between the first rope winding wheel and the side fixing rod on the same side, the lower side of the balancing weight is hinged with a hook, a motor fault protection device is arranged in the upper fixed shell, the motor fault protection device comprises a second rope winding wheel groove positioned on the lower end surface of the upper fixed shell, a power cavity is arranged on the upper side of the second rope winding wheel groove, the upper end wall of the power cavity is fixedly connected with a motor, two transmission cavities which are symmetrical left and right about the second rope winding wheel groove are arranged on the lower side of the power cavity, one side of the transmission cavity, which is far away from the second rope winding wheel groove, is provided with a conversion cavity, a limiting cavity is arranged between the conversion cavity and the power cavity, and a centrifugal cavity with the same horizontal height as the conversion cavity is arranged in the side fixing rod.
Preferably, a rope winding wheel shaft which extends through the second rope winding wheel groove and the transmission cavity from left to right is rotatably connected between the two conversion cavities, a power shaft is dynamically connected to the lower side of the motor, a first gear is fixedly connected to the power shaft, a second rotating shaft which extends from top to bottom is rotatably arranged between the power cavity and the transmission cavity, a second gear which is in meshing transmission with the first gear is fixedly connected to the second rotating shaft, a first bevel gear which is located in the transmission cavity is fixedly connected to the tail end of the bottom of the second rotating shaft, a second bevel gear which is in meshing connection with the first bevel gear is fixedly connected to the rope winding wheel shaft, a second rope winding wheel which is located in the second rope winding wheel groove is fixedly connected to the rope winding wheel shaft, and a load pulling rope is fixedly connected between the second rope winding wheel and the balancing weight.
Preferably, a third rotating shaft extending left and right is rotatably connected between the conversion cavity and the centrifugal cavity, a one-way bearing is arranged between the third rotating shaft and the rope winding wheel shaft, a third gear positioned in the conversion cavity is fixedly connected to the rope winding wheel shaft, a fourth rotating shaft extending left and right is rotatably connected between the conversion cavity and the limiting cavity, a fourth gear positioned in the conversion cavity is connected to the fourth rotating shaft through a spline, a T-shaped chute is arranged on one side end surface of the fourth gear far away from the transmission cavity, an air pump is fixedly connected to one side end wall of the conversion cavity far away from the transmission cavity, a telescopic shaft of the air pump is fixedly connected with a sliding block slidably connected with the T-shaped chute, six ratchets positioned in the limiting cavity are fixedly connected to the fourth rotating shaft, and six chutes are distributed in an annular array in the limiting cavity, sliding connection has and extends to in the spout stopper in the spacing intracavity, the stopper with fixedly connected with spacing spring between the spout.
Preferably, a rotating disc located in the centrifugal cavity is fixedly connected to the third rotating shaft, six centrifugal grooves are distributed in the rotating disc in a circular array mode, centrifugal blocks are connected in the centrifugal grooves in a sliding mode, centrifugal springs are fixedly connected between the centrifugal blocks and the centrifugal grooves, a jacking groove is formed in the lower end wall of the centrifugal cavity, a jacking plate is connected in the jacking groove in a sliding mode, springs are fixedly connected between the jacking plate and the lower end wall of the jacking groove, and one end of a pull rope is fixedly connected to the lower end face of the jacking plate.
Preferably, the side dead lever is kept away from be equipped with on a side end face of last fixed casing and rotate the groove, the upper and lower end wall that rotates the groove is equipped with the slide groove, slide inslot sliding connection has the slide, the slide with fixedly connected with slide spring between the slide groove, the other end fixed connection of stay cord is at the upside the upper end wall of slide, two fixedly connected with lifter between the slide, it is connected with a plurality of pivots to rotate between the front and back end wall in groove, fixedly connected with limiting plate in the pivot, the upper and lower terminal surface intercommunication of limiting plate is equipped with logical groove, the lifter runs through logical groove and with the limiting plate articulates together, it keeps away from to link up the groove a side end wall of load stay cord is the design of flank of tooth.
The beneficial effects are that: this device can avoid the load stay cord fracture to cause the heavy object to drop when the motor carries out the corotation, causes harm to the human body, and simultaneously through starting the air pump, the corotation can only be realized to the rope winding wheel axle, has avoided causing the shock attenuation anti-falling device to become invalid when the motor breaks down and shuts down, and the heavy object that causes falls, and the device can reduce the risk that drops of heavy object through the effectual rocking of having avoided the heavy object of buffer spring when the heavy object is promoted simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a building feeding and lifting device with self-locking and oscillation reducing functions according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of the structure at C in FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 2 at D-D;
fig. 6 is a schematic view of the structure at E-E in fig. 2.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a self-locking vibration-reducing building feeding and lifting device, which comprises two left and right side fixing rods 25 fixedly connected to the ground, an upper fixing shell 10 fixedly connected between the two side fixing rods 25, a damping and anti-falling device 901, wherein the damping and anti-falling device 901 comprises a lifting slide block 24, a through groove 70 is connected between the upper end surface and the lower end surface of the lifting slide block 24, the through groove 70 is connected with the side fixing rods 25 in a sliding manner, the damping and anti-falling device 901 further comprises a balancing weight 42 positioned between the two side fixing rods 25, a balancing weight 42 is fixedly connected between the balancing weight 42 and the side fixing rods 25, first rope winding wheel grooves 38 are arranged on the left end surface and the right end surface of the balancing weight 42, a first rotating shaft 39 is rotatably connected between the front end wall and the rear end wall of the first rope, a first rope winding wheel 40 is fixedly connected to the first rotating shaft 39, a torsion spring 43 is fixedly connected between the first rotating shaft 39 and the front end wall of the first rope winding wheel groove 38, a safety pull rope 27 is fixedly connected between the first rope winding wheel 40 and the side fixing rod 25 at the same side, a hook 41 is hinged to the lower side of the counterweight block 42, a motor fault protection device 902 is arranged in the upper fixing shell 10, the motor fault protection device 902 comprises a second rope winding wheel groove 20 positioned on the lower end surface of the upper fixing shell 10, a power cavity 17 is arranged on the upper side of the second rope winding wheel groove 20, a motor 14 is fixedly connected to the upper end wall of the power cavity 17, two transmission cavities 22 which are bilaterally symmetrical relative to the second rope winding wheel groove 20 are arranged on the lower side of the power cavity 17, and a conversion cavity 46 is arranged on one side of the transmission cavity 22 far away from the second rope winding wheel groove 20, a limiting cavity 65 is arranged between the conversion cavity 46 and the power cavity 17, and a centrifugal cavity 53 with the same level as the conversion cavity 46 is arranged in the side fixing rod 25.
Advantageously, a rope wheel shaft 19 extending through the second rope wheel groove 20 and the transmission cavity 22 from left to right is rotatably connected between the two switching cavities 46, the lower side of the motor 14 is connected with a power shaft 15 in a power mode, a first gear 13 is fixedly connected on the power shaft 15, a second rotating shaft 16 extending up and down is rotatably arranged between the power cavity 17 and the transmission cavity 22, a second gear 12 in meshing transmission with the first gear 13 is fixedly connected to the second rotating shaft 16, the bottom end of the second rotating shaft 16 is fixedly connected with a first bevel gear 18 positioned in the transmission cavity 22, a second bevel gear 11 meshed with the first bevel gear 18 is fixedly connected to the rope winding wheel shaft 19, a second rope winding wheel 21 positioned in the second rope winding wheel groove 20 is fixedly connected to the rope winding wheel shaft 19, a load-carrying pull rope 23 is fixedly connected between the second rope winding wheel 21 and the counterweight 42.
Advantageously, a third rotating shaft 47 extending left and right is rotatably connected between the converting cavity 46 and the centrifugal cavity 53, a one-way bearing 45 is arranged between the third rotating shaft 47 and the rope reel shaft 19, a third gear 44 positioned in the converting cavity 46 is fixedly connected to the rope reel shaft 19, a fourth rotating shaft 63 extending left and right is rotatably connected between the converting cavity 46 and the limiting cavity 65, a fourth gear 59 positioned in the converting cavity 46 is splined to the fourth rotating shaft 63, a T-shaped chute 58 is arranged on one side end surface of the fourth gear 59 away from the transmission cavity 22, an air pump 57 is fixedly connected to one side end wall of the converting cavity 46 away from the transmission cavity 22, a slider 60 slidably connected with the T-shaped chute 58 is fixedly connected to a telescopic shaft of the air pump 57, six ratchet teeth 64 positioned in the limiting cavity 65 are fixedly connected to the fourth rotating shaft 63, six sliding grooves 66 are distributed in the annular array in the limiting cavity 65, a limiting block 62 extending into the limiting cavity 65 is connected in the sliding grooves 66 in a sliding mode, and a limiting spring 61 is fixedly connected between the limiting block 62 and the sliding grooves 66.
Beneficially, a rotating disc 54 located in the centrifugal cavity 53 is fixedly connected to the third rotating shaft 47, six centrifugal grooves 56 are distributed in a circular array on the rotating disc 54, centrifugal blocks 52 are slidably connected in the centrifugal grooves 56, centrifugal springs 55 are fixedly connected between the centrifugal blocks 52 and the centrifugal grooves 56, a pressing groove 51 is arranged on the lower end wall of the centrifugal cavity 53, a pressing plate 48 is slidably connected in the pressing groove 51, a spring 49 is fixedly connected between the pressing plate 48 and the lower end wall of the pressing groove 51, and one end of a pull rope 50 is fixedly connected to the lower end surface of the pressing plate 48.
Beneficially, the side fixing rod 25 is far away from be equipped with on one side end face of last fixed casing 10 and rotate groove 26, the upper and lower end wall that rotates groove 26 is equipped with slide groove 35, sliding connection has slide 34 in slide groove 35, slide 34 with fixedly connected with slide spring 36 between the slide groove 35, the other end fixed connection of stay cord 50 is at the upside the upper end wall of slide 34, two fixedly connected with lifter 29 between the slide 34, it is connected with a plurality of pivots 30 to rotate between the front and back end wall of rotation groove 26, fixedly connected with limiting plate 33 on the pivot 30, the upper and lower terminal surface intercommunication of limiting plate 33 is equipped with logical groove 32, lifter 29 runs through logical groove 32 and with limiting plate 33 articulates together, it keeps away from to link up groove 70 one side end wall of load stay cord 23 is the design of flank of tooth.
In an initial state, the counterweight block 42 is at a lower limit position, the buffer spring 28 is at a normal tension state, the torsion spring 43 is at a normal state, the safety pull rope 27 is at a tension state, the sliding plate 34 is at an upper limit position, one side of the limiting plate 33, which is far away from the rotating shaft 30, is at an upper limit position, the fourth gear 59 is at a limit position, which is far away from the third gear 44, the sliding plate spring 36 at the upper side is at a compression state, the sliding plate spring 36 at the lower side is at a tension state, and the spring 49 is at; when the operation is started, a heavy object is placed on the hook 41 at the lower side of the counterweight 42, the motor 14 is started to rotate forwards, the air pump 57 is started at the moment, the side, close to the third gear 44, of the lower part of the sliding block 60 and the fourth gear 59 moves and is connected with the third gear 44, the power shaft 15 starts to rotate, by driving the second gears 12 on both sides to rotate completely, and the rotation directions of the two second gears 12 are different, the second bevel gears 11 are driven to rotate in the same direction by the second rotating shaft 16 and the first bevel gear 18, simultaneously drives the rope winding wheel shaft 19 and the second rope winding wheel 21 to rotate, so that the power of the motor 14 can be fully exerted, meanwhile, the second rope winding wheel 21 tightly winds the load pull rope 23 to drive the balancing weight 42 and the weight on the lower side to ascend together, at the moment, under the action of the buffer springs 28 on the two sides, the balancing weight 42 can be prevented from shaking to the maximum extent, and the weight is prevented from falling to cause damage to the following people; at this time, the rope-rolling wheel shaft 19 drives the third rotating shafts 47 on both sides to rotate by positive rotation, the centrifugal block 52 moves to one side far away from the centrifugal groove 56 by driving the rotating disc 54 and the centrifugal block 52 to rotate, the top pressure plate 48 moves downwards to loosen the rope 50, the lifting rod 29 moves downwards to drive one end of the limit plate 33 far away from the rotating shaft 30 to rotate downwards under the action of the sliding plate spring 36, so that the limit plate 33 is meshed with the tooth surface on the lifting slider 24, when the load-carrying rope 23 is broken, the lifting slider 24 cannot move downwards at this time due to the meshing of the limit plate 33 and the tooth surface on the lifting slider 24, the counterweight 42 moves downwards by a distance under the action of the weight, so that the safety rope ropes 27 on both sides are pulled, the first rope wheel 40 rotates to accumulate the force of the torsion spring 43, and after the safety rope ropes 27 are completely loosened, the counterweight 42 moves downwards by a small distance for buffering and then does not, the load pull rope 23 is prevented from being broken or the heavy object is prevented from falling off after the motor 14, and the possibility of breakage of the safety pull rope 27 is avoided under the action of the torsion spring 43; when the motor 14 is stopped due to a fault in the process of lifting the weight on the lower side of the counterweight 42, the shock-absorbing anti-falling device 901 loses the function of the counterweight, at this time, the third gear 44 is connected with the fourth gear 59, the fourth rotating shaft 63 rotates and simultaneously drives the ratchet 64 to rotate forwards, at this time, the fourth rotating shaft 63 can only rotate forwards under the action of the limiting block 62, the possibility of reverse rotation of the rope winding wheel shaft 19 is avoided, and the weight is prevented from falling; when the motor 14 is started to rotate reversely, the air pump 57 is not started, the third rotating shaft 47 does not rotate, and at this time, the shock absorption and falling prevention device 901 and the motor fault protection device 902 both lose the function of protecting the falling of the counterweight 42, and the counterweight 42 can descend.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a building pay-off hoisting device with auto-lock can reduce and vibrate, includes that fixed connection controls the side dead lever that sets up, its characterized in that at subaerial two: an upper fixed shell is fixedly connected between the two side fixed rods, the device comprises a damping anti-falling device, the damping anti-falling device comprises a lifting slide block, a through groove is connected between the upper end surface and the lower end surface of the lifting slide block, the through groove is connected with the side fixed rods in a sliding manner, the damping anti-falling device also comprises a balancing weight positioned between the two side fixed rods, the balancing weight is fixedly connected between the balancing weight and the side fixed rods, the left end surface and the right end surface of the balancing weight are both provided with a first rope winding wheel groove, a first rotating shaft is rotatably connected between the front end wall and the rear end wall of the first rope winding wheel groove, a first rope winding wheel is fixedly connected on the first rotating shaft, a torsion spring is fixedly connected between the first rotating shaft and the front end wall of the first rope winding wheel groove, and a safety pull rope is fixedly, the downside of balancing weight articulates there is the couple, it is equipped with motor fault protection device to go up fixed casing, motor fault protection device is including being located go up the second serving wheel groove of terminal surface under the fixed casing, the upside in second serving wheel groove is equipped with the power chamber, the upper end wall fixedly connected with motor in power chamber, the downside in power chamber is equipped with two about the transmission chamber of second serving wheel groove bilateral symmetry, the transmission chamber is kept away from one side in second serving wheel groove all is equipped with the conversion chamber, the conversion chamber with be equipped with spacing chamber between the power chamber, be equipped with in the side dead lever with the same level's in conversion chamber centrifugation chamber.
2. The building feeding and lifting device with the self-locking function and the function of reducing oscillation according to claim 1, is characterized in that: the rope winding device is characterized in that a rope winding wheel shaft which extends through the second rope winding wheel groove and the transmission cavity in a left-right extending mode is rotatably connected between the two conversion cavities, a power shaft is dynamically connected to the lower side of the motor, a first gear is fixedly connected to the power shaft, a second rotating shaft which extends up and down is rotated between the power cavity and the transmission cavity, a second gear which is meshed with the first gear is fixedly connected to the second rotating shaft, a first bevel gear which is located in the transmission cavity is fixedly connected to the tail end of the bottom of the second rotating shaft, a second bevel gear which is meshed with the first bevel gear is fixedly connected to the rope winding wheel shaft, a second rope winding wheel which is located in the second rope winding wheel groove is fixedly connected to the rope winding wheel shaft, and a load-carrying pull rope is fixedly connected between the second rope winding wheel and the counter weight.
3. The building feeding and lifting device with the self-locking function and the function of reducing oscillation according to claim 1, is characterized in that: a third rotating shaft extending leftwards and rightwards is rotatably connected between the conversion cavity and the centrifugal cavity, a one-way bearing is arranged between the third rotating shaft and the rope winding wheel shaft, a third gear positioned in the conversion cavity is fixedly connected to the rope winding wheel shaft, a fourth rotating shaft extending leftwards and rightwards is rotatably connected between the conversion cavity and the limiting cavity, a fourth gear positioned in the conversion cavity is connected to the fourth rotating shaft through a spline, a T-shaped sliding groove is formed in one side end face, away from the transmission cavity, of the fourth gear, an air pump is fixedly connected to one side end wall, away from the transmission cavity, of the conversion cavity, a telescopic shaft of the air pump is fixedly connected with a sliding block in sliding connection with the T-shaped sliding groove, six ratchets positioned in the limiting cavity are fixedly connected to the fourth rotating shaft, and six sliding grooves are distributed in an annular array in the limiting, sliding connection has and extends to in the spout stopper in the spacing intracavity, the stopper with fixedly connected with spacing spring between the spout.
4. The building feeding and lifting device with the self-locking function and the function of reducing oscillation according to claim 3, is characterized in that: the centrifugal spring pressing device is characterized in that a rotary table located in the centrifugal cavity is fixedly connected to the third rotating shaft, six centrifugal grooves are distributed in the rotary table in a circular array mode, centrifugal blocks are connected in the centrifugal grooves in a sliding mode, centrifugal springs are fixedly connected between the centrifugal blocks and the centrifugal grooves, a pressing groove is formed in the lower end wall of the centrifugal cavity, a pressing plate is connected in the pressing groove in a sliding mode, springs are fixedly connected between the pressing plate and the lower end wall of the pressing groove, and one end of a pull rope is fixedly connected to the lower end face of the pressing plate.
5. The building feeding and lifting device with the self-locking function and the function of reducing oscillation according to claim 1, is characterized in that: the side dead lever is kept away from be equipped with on a side end face of last fixed casing and rotate the groove, the upper and lower end wall that rotates the groove is equipped with the slide groove, sliding connection has the slide in the slide groove, the slide with fixedly connected with slide spring between the slide groove, the other end fixed connection of stay cord is at the upside the upper end wall of slide, two fixedly connected with lifter between the slide, it is connected with a plurality of pivots to rotate between the front and back end wall in groove, fixedly connected with limiting plate in the pivot, the upper and lower terminal surface intercommunication of limiting plate is equipped with logical groove, the lifter run through logical groove and with the limiting plate articulates together, it keeps away from to link up the groove one side end wall of load stay cord is the flank of tooth design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010780101.0A CN111874806A (en) | 2020-08-05 | 2020-08-05 | Building pay-off hoisting device with auto-lock can reduce and vibrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010780101.0A CN111874806A (en) | 2020-08-05 | 2020-08-05 | Building pay-off hoisting device with auto-lock can reduce and vibrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111874806A true CN111874806A (en) | 2020-11-03 |
Family
ID=73210740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010780101.0A Withdrawn CN111874806A (en) | 2020-08-05 | 2020-08-05 | Building pay-off hoisting device with auto-lock can reduce and vibrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111874806A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623982A (en) * | 2021-01-14 | 2021-04-09 | 成都市成华区钞向露商贸有限公司 | Prevent wind and have protect function's building hoisting device |
| CN116062605A (en) * | 2023-03-29 | 2023-05-05 | 菏泽昌盛源科技股份有限公司 | Quick movement overhead hoist of liquid tank |
-
2020
- 2020-08-05 CN CN202010780101.0A patent/CN111874806A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623982A (en) * | 2021-01-14 | 2021-04-09 | 成都市成华区钞向露商贸有限公司 | Prevent wind and have protect function's building hoisting device |
| CN116062605A (en) * | 2023-03-29 | 2023-05-05 | 菏泽昌盛源科技股份有限公司 | Quick movement overhead hoist of liquid tank |
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Application publication date: 20201103 |
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