CN112209250A - Hoisting device with automatic protection function - Google Patents
Hoisting device with automatic protection function Download PDFInfo
- Publication number
- CN112209250A CN112209250A CN202011171503.7A CN202011171503A CN112209250A CN 112209250 A CN112209250 A CN 112209250A CN 202011171503 A CN202011171503 A CN 202011171503A CN 112209250 A CN112209250 A CN 112209250A
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- cavity
- rope
- lifting
- pulley
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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
- B66C15/00—Safety gear
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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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
- B66C13/16—Applications of indicating, registering, or weighing devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a hoisting device with an automatic protection function, which comprises a hoisting machine body, wherein a rope cavity with a downward opening is arranged in the hoisting machine body, a driving shaft is rotatably arranged between the front wall and the rear wall of the rope cavity, a winding drum is fixedly arranged on the outer circumferential surface of the driving shaft, a rope protection shell is arranged on the lower side of the hoisting machine body, a connecting block is fixedly arranged on the lower side of the outer circumferential surface of the rope protection shell, a lifting hook is fixedly arranged on the lower end surface of the connecting block, a lifting pulley cavity is arranged in the rope protection shell, a pulley rotating shaft is rotatably arranged between the front wall and the rear wall of the lifting pulley cavity, and a lifting pulley is fixedly arranged on the outer circumferential surface of the pulley rotating shaft. The accident caused by excessive deviation of the hoisting article is avoided.
Description
Technical Field
The invention relates to the related field of cranes, in particular to a hoisting device with an automatic protection function.
Background
In industrial production, often can need to carry the heavy object to the eminence, and generally carry the heavy object and all can use hoisting equipment, hoisting equipment rises or rises through lifting hook or other load handling device and adds the removal heavy object, hoisting machinery's course of operation generally includes steps such as rise, operation, decline and return to the normal position, the degree of skew can't be detected to general hoisting equipment when hoisting article, some article can take place to squint by a wide margin because of shape, weight and the reason of lifting fixed point, and lead to article to take place to drop, upset or topple over the condition etc. and cause the damage of article, even the accident takes place. The invention provides a hoisting device with an automatic protection function, which can solve the problems.
Disclosure of Invention
In order to solve the problems, the embodiment designs a hoisting device with an automatic protection function, the hoisting device with the automatic protection function comprises a hoisting machine body, a rope cavity with a downward opening is arranged in the hoisting machine body, a driving shaft is rotatably arranged between the front wall and the rear wall of the rope cavity, a winding drum is fixedly arranged on the outer circumferential surface of the driving shaft, a rope protection shell is arranged on the lower side of the hoisting machine body, a connecting block is fixedly arranged on the lower side of the outer circumferential surface of the rope protection shell, a lifting hook is fixedly arranged on the lower end surface of the connecting block, a lifting pulley cavity is arranged in the rope protection shell, a pulley rotating shaft is rotatably arranged between the front wall and the rear wall of the lifting pulley cavity, a lifting pulley is fixedly arranged on the outer circumferential surface of the pulley rotating shaft, rope ports with openings facing away from the direction of the pulley rotating shaft are respectively communicated with the upper left side and the upper right side of, the lifter plate cavity upside intercommunication is equipped with the gyro ball chamber, the gyro ball intracavity can be rolling be equipped with the spin, the tip extends to under the spin lifter plate intracavity and the fixed rope fixed block that is equipped with, terminal surface under the hoist body just is in lifter plate chamber below is fixed and is equipped with the skew detection post, skew detection post in-connection the lifter plate chamber is equipped with the skew detection chamber that the opening is decurrent, the outer disc of reel is around being equipped with hoisting rope, hoisting rope one end is fixed in the outer disc of reel, the hoisting rope other end passes the right side the rope mouth and winds in the outer disc of lifting pulley, passes the left side again the rope mouth with the skew detection chamber, extend to at last lifter plate intracavity fixed connection in terminal surface under the rope fixed block, skew detection chamber is fixed respectively all around the left and right sides wall and is equipped with the pivot fixed plate, a rotating shaft cavity with an opening facing the direction close to the hoisting rope is arranged in the rotating shaft fixing plate, a rotating shaft is rotatably arranged between two side walls of the rotating shaft cavity, an offset detection plate is fixedly arranged on the outer circle surface of the rotating shaft, a lifting plate is arranged in the cavity of the lifting plate and can slide up and down, a through hole which is communicated up and down is arranged in the lifting plate, the lifting rope passes through the through hole, the upper end surfaces of all the deviation detecting plates are respectively hinged with the lower end surface of the lifting plate, the crane is characterized in that fixed columns are fixedly arranged on the front side and the rear side of the upper end face of the crane body in a bilateral symmetry mode, driven shafts are rotatably arranged on the front sides of the fixed columns close to one end face of the winding drum, driven wheels are fixedly arranged on the outer circular faces of the driven shafts on the left side and the right side respectively, a driving shaft is rotatably arranged on the rear sides of the fixed columns close to one end face of the winding drum, and driving wheels are fixedly arranged on the.
Preferably, the lower end face of the crane body and the left and right sides of the rope cavity are respectively and fixedly provided with a fixed connecting rod, the lower end faces of the fixed connecting rods on the left and right sides jointly fix a rope guide rod, a rope guide groove which is through up and down is arranged in the rope guide rod, and the hoisting rope passes through the rope guide groove.
Preferably, the hoist is internal and be in rope chamber rear side is equipped with the transmission chamber, the driving shaft rear end extends to the fixed worm wheel that is equipped with of transmission intracavity and excircle face, just be in between the wall of transmission chamber left and right the worm wheel upside rotates and is equipped with the worm axle, the outer disc of worm axle is fixed be equipped with worm wheel meshing's worm, the hoist organism is inherent transmission chamber left side just is in lifter plate chamber upside is equipped with the locking chamber, locking chamber left side intercommunication is equipped with switches the chamber, it is equipped with the power shaft to switch chamber left side wall internal rotation.
Preferably, a power motor is fixedly arranged in the left wall of the switching cavity, and the left end of the power shaft is in power connection with the right end face of the power motor.
Preferably, the left end of the worm shaft penetrates through the locking cavity and extends into the switching cavity, a fixed plate is fixedly arranged on the outer circular surface of the worm shaft and in the locking cavity, a switching sleeve is splined on the outer circular surface of the worm shaft and on the left side of the fixed plate, the inner circular surface of the switching sleeve and the outer circular surface of the power shaft can be splined, the outer circular surface of the switching sleeve and the circular wall in the locking cavity can be splined, a reset spring is fixedly connected between the right end surface of the switching sleeve and the left end surface of the fixed plate, a pushing plate cavity is communicated and arranged on the lower side of the switching cavity, a pushing plate is arranged in the pushing plate cavity and can slide left and right, the upper side of the right end surface of the pushing plate and the left end surface of the switching sleeve are abutted, a slider cavity is communicated and arranged between the lower wall of the pushing plate cavity and the upper wall of the lifting plate cavity, the upper end face of the sliding block is fixedly connected with the lower end face of the pushing plate, and a connecting rod is hinged between the lower end face of the sliding block and the right rear side of the upper end face of the lifting plate.
Preferably, the left and right sides of rear side be equipped with translation band pulley chamber in the fixed column respectively, the hoist is internal and communicate the left and right sides respectively translation band pulley chamber is equipped with the translation driving pulley, the left and right sides the driving shaft is kept away from one end each other and is extended to the left and right sides respectively translation band pulley intracavity and outer disc are the fixed translation driven pulley that is equipped with respectively, the left and right sides it is equipped with the driving shaft to rotate between the wall about the translation driving pulley, the driving shaft is just in the outer disc of both ends is fixed translation driving pulley respectively in the translation driving pulley, the left and right sides translation driven pulley with around being equipped with driving belt respectively between the translation driving pulley.
Preferably, a translation motor is fixedly arranged in the right wall of the translation driving pulley on the right side, and the right end face of the driving shaft is dynamically connected to the left end face of the translation motor.
The invention has the beneficial effects that: the invention can horizontally move the position and lift the article, saves the manpower for carrying the article, is convenient to use, can detect the deviation degree of the lifted article through the rope, can cut off the lifting power when the deviation degree is overlarge, stops lifting and avoids the accident caused by the excessive deviation of the lifted article.
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.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
Fig. 3 is a schematic diagram of the structure B-B in fig. 2.
Fig. 4 is an enlarged schematic view of C in fig. 1.
Fig. 5 is a schematic diagram of the structure of D-D in fig. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: 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 hoisting device with an automatic protection function, which comprises a hoisting machine body 11, wherein a rope cavity 12 with a downward opening is arranged in the hoisting machine body 11, a driving shaft 13 is rotatably arranged between the front wall and the rear wall of the rope cavity 12, a winding drum 14 is fixedly arranged on the outer circumferential surface of the driving shaft 13, a rope protection shell 19 is arranged on the lower side of the hoisting machine body 11, a connecting block 24 is fixedly arranged on the lower circumferential surface of the rope protection shell 19, a lifting hook 26 is fixedly arranged on the lower end surface of the connecting block 24, a lifting pulley cavity 20 is arranged in the rope protection shell 19, a pulley rotating shaft 22 is rotatably arranged between the front wall and the rear wall of the lifting pulley cavity 20, a lifting pulley 23 is fixedly arranged on the outer circumferential surface of the pulley rotating shaft 22, rope ports 21 with openings facing away from the pulley rotating shaft 22 are respectively communicated with the upper left side and the upper right side of the outer circumferential wall of the lifting pulley cavity 20, lifting plate chamber 57 upside intercommunication is equipped with gyro ball chamber 56, the rolling 67 that is equipped with of rolling in the gyro ball chamber 56, the tip extends to under the gyro ball 67 in the lifting plate chamber 57 and the fixed rope fixed block 58 that is equipped with, terminal surface under the hoist body 11 just is in fixed skew detection post 62 that is equipped with in lifting plate chamber 57 below, skew detection post 62 in-connection the lifting plate chamber 57 is equipped with the skew detection chamber 63 that the opening is decurrent, 14 outer circular surfaces of reel are around being equipped with hoisting rope 15, hoisting rope 15 one end is fixed in 14 outer circular surfaces of reel, hoisting rope 15 other end passes the right side rope mouth 21 and around in the 23 outer circular surface of lifting pulley, pass the left side again rope mouth 21 with skew detection chamber 63, extend to at last in lifting plate chamber 57 fixed connection in the terminal surface under the rope fixed block 58, skew detection chamber 63 is fixed respectively to be equipped with pivot fixed plate 68 around the left and right sides, a rotating shaft cavity 64 with an opening facing the direction close to the hoisting rope 15 is arranged in the rotating shaft fixing plate 68, a rotating shaft 65 is rotatably arranged between two side walls of the rotating shaft cavity 64, an offset detection plate 66 is fixedly arranged on the outer circumferential surface of the rotating shaft 65, a lifting plate 59 is arranged in the lifting plate cavity 57 and can slide up and down, a through hole 60 which penetrates up and down is arranged in the lifting plate 59, the hoisting rope 15 passes through the through hole 60, the upper end surfaces of all the offset detection plates 66 are respectively hinged with the lower end surfaces of the lifting plate 59, fixing columns 16 are fixedly arranged on the front and rear sides of the upper end surface of the crane body 11 and are bilaterally symmetrical, a driven shaft 18 is rotatably arranged in one end surface of the front side fixing column 16 close to the winding drum 14, driven wheels 17 are respectively fixedly arranged on the outer circumferential surfaces of the left and right sides, driving wheels 35 are respectively fixedly arranged on the outer circular surfaces of the driving shafts 34 on the left side and the right side.
Advantageously, a fixed connecting rod 61 is fixedly arranged on the lower end surface of the crane body 11 and on the left and right sides of the rope chamber 12, the lower end surfaces of the fixed connecting rods 61 on the left and right sides are jointly fixed with a rope guide rod 32, a rope guide groove 33 which penetrates up and down is arranged in the rope guide rod 32, and the crane rope 15 passes through the rope guide groove 33.
Advantageously, a transmission cavity 27 is formed in the hoisting machine body 11 and at the rear side of the rope cavity 12, the rear end of the driving shaft 13 extends into the transmission cavity 27, a worm wheel 29 is fixedly arranged on the outer circumferential surface of the driving shaft, a worm shaft 30 is rotatably arranged between the left and right walls of the transmission cavity 27 and on the upper side of the worm wheel 29, a worm 31 meshed with the worm wheel 29 is fixedly arranged on the outer circumferential surface of the worm shaft 30, a locking cavity 53 is formed in the hoisting machine body 11 at the left side of the transmission cavity 27 and on the upper side of the lifting plate cavity 57, a switching cavity 50 is communicated with the left side of the locking cavity 53, and a power shaft 51 is rotatably arranged in the left wall of the switching cavity 50.
Advantageously, a power motor 41 is fixedly arranged in the left wall of the switching cavity 50, and the left end of the power shaft 51 is dynamically connected to the right end face of the power motor 41.
Advantageously, the left end of the worm shaft 30 passes through the locking chamber 53 and extends into the switching chamber 50, a fixing plate 54 is fixedly arranged on the outer circumferential surface of the worm shaft 30 and in the locking chamber 53, a switching sleeve 52 is splined on the outer circumferential surface of the worm shaft 30 and on the left side of the fixing plate 54, the inner circumferential surface of the switching sleeve 52 and the outer circumferential surface of the power shaft 51 can be splined, the outer circumferential surface of the switching sleeve 52 and the inner circumferential surface of the locking chamber 53 can be splined, a return spring 55 is fixedly connected between the right end surface of the switching sleeve 52 and the left end surface of the fixing plate 54, a pushing plate chamber 48 is arranged on the lower side of the switching chamber 50 in a communicating manner, a pushing plate 49 is arranged in the pushing plate chamber 48 and can slide left and right, the upper side of the right end surface of the pushing plate 49 abuts against the left end surface of the switching sleeve 52, a slider chamber 46 is arranged between the lower wall of the pushing plate chamber, the slider cavity 46 is provided with a slider 47 capable of sliding left and right, the upper end surface of the slider 47 is fixedly connected with the lower end surface of the pushing plate 49, and the lower end surface of the slider 47 is hinged with a connecting rod 45 on the right rear side of the upper end surface of the lifting plate 59.
Beneficially, the fixed columns 16 on the left and right sides of the rear side are respectively provided with a translation pulley cavity 36 therein, the crane body 11 and the translation pulley cavity 36 respectively communicating the left and right sides are provided with a translation driving pulley 38, the ends of the driving shaft 34 on the left and right sides, which are far away from each other, respectively extend into the translation pulley cavities 36 on the left and right sides, and the outer circular surfaces of the driving shaft are respectively fixedly provided with a translation driven pulley 37, a driving shaft 39 is rotatably provided between the left and right walls of the translation driving pulley 38 on the left and right sides, the outer circular surfaces of the left and right ends of the driving shaft 39 are respectively fixedly provided with a translation driving pulley 38 in the translation driving pulley 38, and a transmission belt 42 is respectively wound between the translation driven pulley 37 and the translation driving pulley 38 on.
Advantageously, a translation motor 40 is fixedly arranged in the right wall of the translation driving pulley 38 on the right side, and the right end face of the driving shaft 39 is dynamically connected with the left end face of the translation motor 40.
The use steps herein are described in detail below with reference to fig. 1-5: in the initial state, the hoisting rope 15 is wound on the outer circular surface of the winding drum 14 to the maximum extent, the rope protecting case 19 is located at the upper limit position, the switching sleeve 52 is located at the left limit position, the pushing plate 49 is located at the left limit position, the slider 47 is located at the left limit position, the lifting plate 59 is located at the upper limit position, and the deviation detecting plate 66 is in the vertical state.
In operation, when the horizontal position of the device needs to be changed, the translation motor 40 is started, the driving shaft 39 is driven to rotate through power connection, the left and right translation driving pulleys 38 are driven to rotate, the left and right translation driven pulleys 37 are driven to rotate through the left and right transmission belts 42, the left and right translation driven pulleys 37 are driven to rotate, the left and right driving wheels 35 are driven to rotate, the device is driven to move horizontally, the driven wheels 17 are driven to rotate, the driven shaft 18 is driven to rotate, the translation motor 40 is stopped after the right and left translation driven pulleys are moved to the correct position, when the object needs to be lifted, the power motor 41 is started, the power shaft 51 is driven to rotate through power connection, the switching sleeve 52 is driven to rotate, the worm shaft 30 is driven to rotate, the worm 31 is driven to rotate, the worm wheel 29 is driven to rotate through worm and the driving shaft 13 is driven to rotate, the winding, further, the rope protecting case 19 moves downwards due to gravity, the hoisting rope 15 passes through the rope guiding groove 33 and is driven by the rope guiding groove 33 to move downwards, further, the lifting pulley 23 is driven to rotate and the pulley rotating shaft 22 is driven to rotate, the rope protecting case 19 moves downwards to drive the connecting block 24 to move downwards and drive the lifting hook 26 to move downwards, the power motor 41 is stopped after the lifting hook 26 moves downwards to a lower limit position, after a hoisting article is hooked on the lifting hook 26, the power motor 41 is started reversely, the lifting hook 26 is driven to move upwards through the corresponding transmission, at this time, if the article hooked by the lifting hook 26 deviates, the part of the hoisting rope 15 located at the left side of the lifting pulley 23 inclines, further, the rope fixing block 58 is driven to rotate and drive the rope 67 to rotate, and the hoisting rope 15 extending into the deviation detecting ball 63 abuts against the deviation detecting plate 66 at one of the front, and then drive the corresponding spindle 65 to rotate, and then drive the lifting plate 59 to move downwards through the hinged joint, and then drive the slide block 47 to move rightwards through the connecting rod 45 and drive the pushing plate 49 to move rightwards, and then drive the switching sleeve 52 to move rightwards and compress the return spring 55, when the hoisting rope 15 inclines to a certain extent, the switching sleeve 52 is driven rightwards to be separated from the power shaft 51, and simultaneously the spline connection is formed between the outer circumferential surface of the right end of the switching sleeve 52 and the inner wall of the locking cavity 53, at this moment, the power shaft 51 can not drive the worm shaft 30 to rotate through the switching sleeve 52, and because the spline connection is formed between the switching sleeve 52 and the inner wall of the locking cavity 53, the worm shaft 30 is locked and can not rotate, thereby.
The invention has the beneficial effects that: the invention can horizontally move the position and lift the article, saves the manpower for carrying the article, is convenient to use, can detect the deviation degree of the lifted article through the rope, can cut off the lifting power when the deviation degree is overlarge, stops lifting and avoids the accident caused by the excessive deviation of the lifted article.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a hoisting apparatus with automatic protect function, includes the hoist body, its characterized in that: a rope cavity with a downward opening is arranged in the crane body, a driving shaft is rotatably arranged between the front wall and the rear wall of the rope cavity, a winding drum is fixedly arranged on the outer circumferential surface of the driving shaft, a rope protection shell is arranged on the lower side of the crane body, a connection block is fixedly arranged on the lower side of the outer circumferential surface of the rope protection shell, a lifting hook is fixedly arranged on the lower end surface of the connection block, a lifting pulley cavity is arranged in the rope protection shell, a pulley rotating shaft is rotatably arranged between the front wall and the rear wall of the lifting pulley cavity, a lifting pulley is fixedly arranged on the outer circumferential surface of the pulley rotating shaft, the upper left side and the upper right side of the outer circumferential wall of the lifting pulley cavity are respectively communicated with rope openings with the directions far away from the pulley rotating shaft, a lifting plate cavity with a downward opening is arranged in the crane body, the end part extends to in the lifter plate cavity and is fixedly provided with a rope fixing block under the rolling ball, the lower end face of the crane body is fixedly provided with an offset detection column below the lifter plate cavity, the offset detection column is communicated with the lifter plate cavity, the lifter plate cavity is provided with an offset detection cavity with a downward opening, a lifting rope is wound on the outer surface of the winding drum, one end of the lifting rope is fixed on the outer surface of the winding drum, the other end of the lifting rope passes through the right side of the rope port and is wound on the outer surface of the lifting pulley, then passes through the left side of the rope port and the offset detection cavity and finally extends to the lower end face of the lifter plate cavity, the front side wall, the rear side wall, the left side wall and the right side wall of the offset detection cavity are respectively and fixedly provided with a rotating shaft fixing plate, a rotating shaft is arranged in the rotating shaft, the lifting plate is arranged in the lifting plate, through holes which are communicated up and down are formed in the lifting plate, lifting ropes penetrate through the through holes, all the upper end faces of the deviation detection plates are hinged with the lower end faces of the lifting plate respectively, fixing columns are fixedly arranged on the front side and the rear side of the upper end face of the crane body in a bilateral symmetry mode, the fixing columns are close to one end face of the winding drum and internally and rotatably provided with driven wheels, driven wheels are fixedly arranged on the outer circular faces of the driven wheels respectively, the rear sides of the fixing columns are close to one end face of the winding drum and rotatably provided with driving shafts, and driving wheels are fixedly arranged on the outer circular faces of the driving shafts respectively.
2. A lifting apparatus with automatic protection function as claimed in claim 1, characterized in that: the hoisting device is characterized in that fixed connecting rods are fixedly arranged on the left side and the right side of the rope cavity of the lower end face of the crane body respectively, rope guide rods are jointly fixed on the left side and the right side of the lower end face of the fixed connecting rods, rope guide grooves which are communicated up and down are formed in the rope guide rods, and hoisting ropes pass through the rope guide grooves.
3. A lifting apparatus with automatic protection function as claimed in claim 1, characterized in that: the hoist is internal and be in rope chamber rear side is equipped with the transmission chamber, the driving shaft rear end extends to the fixed worm wheel that is equipped with of transmission intracavity and excircle face, just be in between the wall of transmission chamber the worm wheel upside rotates and is equipped with the worm axle, the outer disc of worm axle is fixed be equipped with worm wheel meshing's worm, the hoist organism is inherent transmission chamber left side just is in lifter plate chamber upside is equipped with the locking chamber, locking chamber left side intercommunication is equipped with switches the chamber, it is equipped with the power shaft to switch chamber left side wall internal rotation.
4. A lifting apparatus with automatic protection function as claimed in claim 3, characterized in that: and a power motor is fixedly arranged in the left wall of the switching cavity, and the left end of the power shaft is in power connection with the right end face of the power motor.
5. A lifting apparatus with automatic protection function as claimed in claim 1, characterized in that: the left end of the worm shaft penetrates through the locking cavity and extends into the switching cavity, a fixed plate is fixedly arranged on the outer surface of the worm shaft and in the locking cavity, a switching sleeve is in splined connection with the outer surface of the worm shaft and on the left side of the fixed plate, the inner surface of the switching sleeve and the outer surface of the power shaft can be in splined connection, the outer surface of the switching sleeve and the circular wall in the locking cavity can be in splined connection, a reset spring is fixedly connected between the right end surface of the switching sleeve and the left end surface of the fixed plate, a pushing plate cavity is communicated and arranged on the lower side of the switching cavity, a pushing plate is arranged in the pushing plate cavity and can slide left and right, the upper side of the right end surface of the pushing plate is abutted against the left end surface of the switching sleeve, a slider cavity is communicated and arranged between the lower wall of the pushing plate cavity and the upper wall of the lifting, the upper end face of the sliding block is fixedly connected with the lower end face of the pushing plate, and a connecting rod is hinged between the lower end face of the sliding block and the right rear side of the upper end face of the lifting plate.
6. A lifting apparatus with automatic protection function as claimed in claim 1, characterized in that: the left and right sides of rear side be equipped with translation band pulley chamber in the fixed column respectively, the hoist is internal and communicate the left and right sides respectively translation band pulley chamber is equipped with the translation driving pulley, the left and right sides the driving shaft is kept away from one end each other and is extended to the left and right sides respectively translation band pulley intracavity and outer disc are the fixed translation driven pulley that is equipped with respectively, the left and right sides translation driving pulley rotates between the wall and is equipped with the driving shaft, the driving shaft is controlled the outer disc in both ends and is in translation driving pulley is interior the fixed translation driving pulley that is equipped with respectively, the left and right sides translation driven pulley with around being equipped with driving belt between the translation driving pulley respectively.
7. The lifting apparatus with automatic protection function as claimed in claim 6, wherein: and a translation motor is fixedly arranged in the right wall of the translation driving pulley on the right side, and the right end face of the driving shaft is dynamically connected to the left end face of the translation motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171503.7A CN112209250A (en) | 2020-10-28 | 2020-10-28 | Hoisting device with automatic protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171503.7A CN112209250A (en) | 2020-10-28 | 2020-10-28 | Hoisting device with automatic protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112209250A true CN112209250A (en) | 2021-01-12 |
Family
ID=74057278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011171503.7A Withdrawn CN112209250A (en) | 2020-10-28 | 2020-10-28 | Hoisting device with automatic protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112209250A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071990A (en) * | 2021-03-22 | 2021-07-06 | 常州大学 | Crane with power-off anti-reverse device |
-
2020
- 2020-10-28 CN CN202011171503.7A patent/CN112209250A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071990A (en) * | 2021-03-22 | 2021-07-06 | 常州大学 | Crane with power-off anti-reverse device |
| CN113071990B (en) * | 2021-03-22 | 2023-11-28 | 常州大学 | Crane with power-off anti-reversion device |
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Application publication date: 20210112 |
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