阅读说明：本技术 一种防脱落的起重机挂钩 (Anti-drop's hoist couple ) 是由 蔺晓琳 郝文献 李治军 刘桉 于 2021-07-23 设计创作，主要内容包括：本发明涉及起重机技术领域,且公开了一种防脱落的起重机挂钩,包括防脱挂钩本体,所述防脱挂钩本体的上方从上到下依次设有上连接体和下连接体,所述上连接体和所述下连接体的相对侧均开设有凹槽；通过风速风向传感器可以实时监测外界的风速和风向,当监测到外界的风速较大的时候,此时风速风向传感器会将风速和风向信号同时发送给PLC控制器,PLC控制器经过分析处理后,会启动伺服电机带动移动盒在上连接体和下连接体之间移动,并使喷嘴处于与风向相同的方向上,然后停止伺服电机,并启动气泵,使喷嘴喷出与风速相等的气流,避免外界风较大的时候,导致挂钩出现晃动,从而造成安全事故的情况。(The invention relates to the technical field of cranes and discloses an anti-falling crane hook which comprises an anti-falling hook body, wherein an upper connecting body and a lower connecting body are sequentially arranged above the anti-falling hook body from top to bottom, and grooves are formed in the opposite sides of the upper connecting body and the lower connecting body; can external wind speed and wind direction of real-time supervision through wind speed and direction sensor, when monitoring external wind speed great, wind speed and direction sensor can send wind speed and wind direction signal for the PLC controller simultaneously this moment, the PLC controller is after analysis processes, can start servo motor and drive the removal box and remove between upper connector and lower connector, and make the nozzle be in with the wind direction the same direction on, then stop servo motor, and start the air pump, make the nozzle blowout and the air current that the wind speed equals, when avoiding external wind great, lead to the couple to appear rocking, thereby cause the condition of incident.)

1. The utility model provides an anti-drop's crane hook, includes anti-drop couple body (15), its characterized in that: the anti-falling hook is characterized in that an upper connecting body (4) and a lower connecting body (1) are sequentially arranged from top to bottom above the anti-falling hook body (15), grooves (29) are formed in opposite sides of the upper connecting body (4) and the lower connecting body (1), a connecting rod (22) is arranged in the middle of the upper connecting body (4) and the lower connecting body (1), two ends of the connecting rod (22) are fixedly connected with the inner upper surface center and the inner lower surface center of the grooves (29), annular grooves (24) are formed in the outer sides of the grooves (29) and in the opposite sides of the upper connecting body (4) and the lower connecting body (1), a moving box (17) is arranged between the upper connecting body (4) and the lower connecting body (1), a nozzle (2) is fixed in the middle of the left side of the moving box (17), and idler wheels (31) are rotationally connected in the inner symmetrical mode of the moving box (17), two the end of carrying on the back of the body of gyro wheel (31) extends to respectively the top and the below of removing box (17), and two the end of carrying on the back of the body of gyro wheel (31) is located two respectively the inside of annular (24), and respectively with two the inside opposite side of annular (24) is laminated mutually, two the right side of gyro wheel (31) all is fixed with driven gear (32), two it has driving gear (33) to mesh between driven gear (32), the right side middle part of removing box (17) is fixed with servo motor (18), the output shaft of servo motor (18) with driving gear (33) fixed connection, the lateral wall of connecting rod (22) rotates and is connected with and rotates cover (25), the lateral wall that rotates cover (25) is fixed with air pump (26), the output of air pump (26) is fixed with pipe (28), pipe (28) keep away from the one end of air pump (26) with the input tube fixed connection of air cock (2), the guide pipe (28) is positioned in front of the driving gear (33), a connecting rod (27) is fixed on the right side of the servo motor (18), one end of the connecting rod (27) far away from the servo motor (18) is fixedly connected with the outer side wall of the rotating sleeve (25), a shell (5) is fixed at the top of the upper connecting body (4), a fixed pulley (21) is rotatably connected inside the shell (5), and the outer side wall of the shell (5) is symmetrically penetrated and fixed with a threading pipe (6), a support plate (12) is fixed on the right side of the upper connecting body (4), a wind speed and direction sensor (11) is fixed on the upper surface of the support plate (12), an inclination angle sensor (19) and a PLC (programmable logic controller) are sequentially fixed on the upper surface of the inner part of the groove (29) above the support plate from left to right, the inclination angle sensor (19) and the wind speed and direction sensor (11) are electrically connected with the PLC (23).

2. An anti-drop crane hook according to claim 1, characterized in that: go up connector (4) with be equipped with protection piece (3) between lower connector (1), the both ends of protection piece (3) respectively with the front and back fixed surface of removal box (17) is connected, just the top and the bottom of protection piece (3) are located two respectively the inside of annular (24).

3. An anti-drop crane hook according to claim 1, characterized in that: the middle of the lower surface of the lower connecting body (1) is fixed with a U-shaped connecting piece (30), and the top end of the anti-falling hook body (15) is located inside the U-shaped connecting piece (30) and is rotatably connected with the U-shaped connecting piece (30).

4. A drop-proof crane hook as claimed in claim 3, wherein: the lower surface of lower connector (1) is located the outside of U type connecting piece (30) evenly is fixed with a plurality of receivers (13), the inside rotation of receiver (13) is connected with axis (41), the lateral wall of axis (41) is located the inside of receiver (13) is fixed with reel (39), the lateral wall rolling of reel (39) has wiring rope (38), the one end of wiring rope (38) with the lateral wall fixed connection of reel (39), the other end runs through the lateral wall of receiver (13), and integrated into one piece has end (16), the lateral wall of axis (41) is located the both sides of reel (39) all are fixed with clockwork spring (40), two clockwork spring (40) are kept away from the one end of axis (41) with the inside wall fixed connection of receiver (13).

5. An anti-drop crane hook according to claim 4, characterized in that: one side of receiver (13) is fixed with mounting box (14), the one end of axis (41) extends to the inside of mounting box (14), just the lateral wall of axis (41) is located the inside of mounting box (14) is fixed with ratchet (37), inside one side of mounting box (14) is connected with pawl (34) through the torsional spring rotation, pawl (34) with ratchet (37) block is connected, one side of pawl (34) is fixed with dwang (36), dwang (36) are kept away from the one end of pawl (34) is located the outside of mounting box (14), and is fixed with knob (35).

6. An anti-drop crane hook according to claim 1, characterized in that: the top and the bottom of the outer side wall of the connecting rod (22) are both fixed with a group of reinforcing ribs (21), one ends of the two groups of reinforcing ribs (21) far away from the connecting rod (22) are respectively and fixedly connected with the inner upper surfaces and the inner lower surfaces of the two grooves (29), and the number of the reinforcing ribs (21) in each group is at least four.

7. An anti-drop crane hook according to claim 1, characterized in that: the inside of casing (5) is fixed with holds box (20), the bottom of fixed pulley (21) is located hold the inside of box (20), the top that holds box (20) is located the both sides of fixed pulley (21) are all seted up with through wires hole (43), two through wires hole (43) and two through wires pipe (6) one-to-one.

8. An anti-drop crane hook according to claim 7, characterized in that: a sealing ring (42) is fixed at the joint of the containing box (20) and the fixed pulley (21), an even smearing ring (44) is fixed at the bottom of the inner surface of the threading hole (43), and a scraping ring (10) is fixed at the top of the threading pipe (6).

9. An anti-drop crane hook according to claim 8, characterized in that: the front surface of casing (5) is fixed with in proper order from the top down and adds pipe (8) and visual window (9), add the rear end of pipe (8) with hold the inside of box (20) and be linked together, just add the fixed and check valve (7) of lateral wall of pipe (8).

Technical Field

The invention relates to the technical field of cranes, in particular to an anti-falling crane hook.

Background

The hoist is the many actions hoisting machinery who promotes perpendicularly and horizontal transport heavy object in the certain limit, because the hoist can be very big use manpower sparingly, and can be with the quick one from another transport of heavier object, thereby by extensive application in each big field, the hoist is when carrying heavier object, need the couple to carry out the auxiliary operation simultaneously, traditional hoist couple is when using, when the external wind is great, the couple condition of rocking takes place easily this moment, thereby it takes place to rock to drive the object easily, lead to object and other object to collide easily, and lead to the condition that the connecting rope between couple and the object takes place to drop easily, make the object take place to fall from the high altitude dangerous condition.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an anti-falling crane hook, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an anti-drop crane hook comprises an anti-drop hook body, wherein an upper connecting body and a lower connecting body are sequentially arranged above the anti-drop hook body from top to bottom, grooves are formed in opposite sides of the upper connecting body and the lower connecting body, a connecting rod is arranged in the middle between the upper connecting body and the lower connecting body, two ends of the connecting rod are fixedly connected with the centers of the upper surface and the lower surface of the inner part of the two grooves respectively, annular grooves are formed in the outer sides of the grooves in the opposite sides of the upper connecting body and the lower connecting body, a moving box is arranged between the upper connecting body and the lower connecting body, a nozzle is fixed in the middle of the left side of the moving box, rollers are symmetrically and rotatably connected in the inner part of the moving box, and the opposite ends of the two rollers extend to the upper part and the lower part of the moving box respectively, the back-to-back ends of the two rollers are respectively positioned inside the two annular grooves and are respectively attached to the opposite sides inside the two annular grooves, the right sides of the two rollers are respectively fixed with a driven gear, a driving gear is meshed between the two driven gears, a servo motor is fixed in the middle of the right side of the movable box, an output shaft of the servo motor is fixedly connected with the driving gear, the outer side wall of the connecting rod is rotatably connected with a rotating sleeve, the outer side wall of the rotating sleeve is fixedly provided with an air pump, the output end of the air pump is fixed with a conduit, one end of the conduit far away from the air pump is fixedly connected with an input pipe of the air faucet, the conduit is positioned in front of the driving gear, the right side of the servo motor is fixedly provided with a connecting rod, one end of the connecting rod far away from the servo motor is fixedly connected with the outer side wall of the rotating sleeve, the top of going up the connector is fixed with the casing, the inside of casing rotates and is connected with the fixed pulley, just the lateral wall symmetry of casing is run through and is fixed with the threading pipe, go up the right side of connector fixed with the extension board, the last fixed surface of extension board has wind speed wind direction sensor, the top the inside upper surface of recess from left to right is fixed with inclination sensor and PLC controller in proper order, inclination sensor with wind speed wind direction sensor all with PLC controller electric connection.

Preferably, the upper connecting body and the lower connecting body are provided with a protective sheet therebetween, two ends of the protective sheet are respectively fixedly connected with the front surface and the rear surface of the movable box, and the top and the bottom of the protective sheet are respectively located in the two annular grooves.

Preferably, a U-shaped connecting piece is fixed in the middle of the lower surface of the lower connecting body, and the top end of the anti-falling hook body is located inside the U-shaped connecting piece and is rotatably connected with the U-shaped connecting piece.

Preferably, the lower surface of lower connector is located the outside of U type connecting piece evenly is fixed with a plurality of receivers, the inside rotation of receiver is connected with the axis, centraxonial lateral wall is located the inside of receiver is fixed with the reel, the lateral wall rolling of reel has the rope of tying, the one end of rope of tying with the lateral wall fixed connection of reel, the other end run through the lateral wall of receiver, and integrated into one piece has the end, centraxonial lateral wall is located the both sides of reel all are fixed with clockwork spring, two clockwork spring keep away from centraxonial one end with the inside wall fixed connection of receiver.

Preferably, one side of receiver is fixed with the mounting box, centraxonial one end extends to the inside of mounting box, just centraxonial lateral wall is located the inside of mounting box is fixed with the ratchet, inside one side of mounting box is connected with the pawl through the torsional spring rotation, the pawl with the ratchet block is connected, one side of pawl is fixed with the dwang, the dwang is kept away from the one end of pawl is located the outside of mounting box, and is fixed with the turn button.

Preferably, a group of reinforcing ribs is fixed to the top and the bottom of the outer side wall of the connecting rod, one ends of the two groups of reinforcing ribs, which are far away from the connecting rod, are fixedly connected with the inner upper surfaces and the inner lower surfaces of the two grooves respectively, and the number of the reinforcing ribs in each group is at least four.

Preferably, the inside of casing is fixed with and holds the box, the bottom of fixed pulley is located hold the inside of box, the top that holds the box is located both sides of fixed pulley are all seted up with the through wires hole, two the through wires hole with two the threading pipe one-to-one.

Preferably, a sealing ring is fixed at the joint of the containing box and the fixed pulley, a uniform smearing ring is fixed at the bottom of the inner surface of the threading hole, and a scraping ring is fixed at the top of the threading pipe.

Preferably, an adding pipe and a visual window are sequentially fixed on the front surface of the shell from top to bottom, the rear end of the adding pipe is communicated with the inside of the containing box, and a one-way valve is fixed on the outer side wall of the adding pipe.

(III) advantageous effects

The invention provides an anti-falling crane hook which has the following beneficial effects:

(1) when the wind speed and wind direction sensor is used, the external wind speed and wind direction can be monitored in real time, when the external wind speed is monitored to be high, the wind speed and wind direction signals can be simultaneously sent to the PLC by the wind speed and wind direction sensor, the PLC can start the servo motor to drive the moving box to move between the upper connecting body and the lower connecting body after analysis and processing, the nozzle is positioned in the same direction as the wind direction, then the servo motor is stopped, the air pump is started, the nozzle sprays airflow equal to the wind speed, and the situation that the hook shakes to cause safety accidents when the external wind is high is avoided.

(2) According to the invention, the inclination condition of the hook can be monitored in real time through the inclination sensor, when an object is hoisted, after the hook is transmitted to and fro to shake, the inclination sensor can send a signal to the PLC, at the moment, the PLC starts the servo motor to drive the moving box to move to the direction in which the hook shakes, and then the PLC starts the air pump to spray air flow out of the nozzle, so that the shaking of the hook is reduced until the air flow disappears, and the potential safety hazard caused by the shaking of the hook is avoided.

(3) When the anti-falling hook body is damaged and cannot hook the connecting rope of a connecting object or the connecting rope cannot be provided from the outside, an operator can pull out the connecting ropes in the multiple storage boxes and tie the connecting ropes to a lifted object, and the lifting hook is lifted upwards, so that the lifting operation of the object can be realized, and the whole hook can be used continuously under different conditions.

(4) When the hanger is used, when the hanger rope of the hanger is lifted to drive the hanger to move, the hanger rope passes through the containing box in the shell, lubricating grease is contained in the containing box, the lubricating grease can be adhered to the hanger rope, the lubricating grease adhered to the hanger rope can be uniformly coated by the coating ring when the hanger rope passes through the threading hole, old grease on the hanger rope can be scraped by the scraping ring on the threading pipe when the hanger rope moves, and the whole hanger is not required to be manually coated with the grease when being used, so that the hanger is more convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the mobile box of the present invention;

FIG. 4 is a schematic view of the internal structure of the receiving case and the mounting case of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a lower connector; 2. a nozzle; 3. a protective sheet; 4. an upper connector; 5. a housing; 6. a threading tube; 7. a one-way valve; 8. an addition pipe; 9. a visual window; 10. scraping rings; 11. a wind speed and direction sensor; 12. a support plate; 13. a storage box; 14. mounting a box; 15. an anti-drop hook body; 16. a tip; 17. moving the cartridge; 18. a servo motor; 19. a tilt sensor; 20. a containing box; 21. reinforcing ribs; 22. a connecting rod; 23. a PLC controller; 24. a ring groove; 25. rotating the sleeve; 26. an air pump; 27. a connecting rod; 28. a conduit; 29. a groove; 30. a U-shaped connecting piece; 31. a roller; 32. a driven gear; 33. a driving gear; 34. a pawl; 35. turning a button; 36. rotating the rod; 37. a ratchet wheel; 38. connecting ropes; 39. a winding wheel; 40. a clockwork spring; 41. a middle shaft; 42. a seal ring; 43. threading holes; 44. and (6) evenly smearing the mixture.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: an anti-drop crane hook comprises an anti-drop hook body 15, an upper connecting body 4 and a lower connecting body 1 are sequentially arranged above the anti-drop hook body 15 from top to bottom, opposite sides of the upper connecting body 4 and the lower connecting body 1 are respectively provided with a groove 29, a connecting rod 22 is arranged in the middle between the upper connecting body 4 and the lower connecting body 1, two ends of the connecting rod 22 are respectively fixedly connected with the centers of the upper surface and the lower surface inside the two grooves 29, annular grooves 24 are respectively arranged on the outer sides of the grooves 29 at the opposite sides of the upper connecting body 4 and the lower connecting body 1, a movable box 17 is arranged between the upper connecting body 4 and the lower connecting body 1, a nozzle 2 is fixed in the middle of the left side of the movable box 17, rollers 31 are symmetrically and rotatably connected inside the movable box 17, the opposite ends of the two rollers 31 respectively extend to the top and the bottom of the movable box 17, and the opposite ends of the two rollers 31 are respectively arranged inside the two annular grooves 24, and respectively attached to the opposite sides of the insides of the two ring grooves 24, the right sides of the two rollers 31 are respectively fixed with a driven gear 32, a driving gear 33 is engaged between the two driven gears 32, the middle of the right side of the movable box 17 is fixed with a servo motor 18, the output shaft of the servo motor 18 is fixedly connected with the driving gear 33, the outer side wall of the connecting rod 22 is rotatably connected with a rotating sleeve 25, the outer side wall of the rotating sleeve 25 is fixed with an air pump 26, the output end of the air pump 26 is fixed with a conduit 28, one end of the conduit 28 far away from the air pump 26 is fixedly connected with the input pipe of the air tap 2, the conduit 28 is positioned in front of the driving gear 33, the right side of the servo motor 18 is fixed with a connecting rod 27, one end of the connecting rod 27 far away from the servo motor 18 is fixedly connected with the outer side wall of the rotating sleeve 25, the top of the upper connecting body 4 is fixed with a casing 5, the inside of the casing 5 is rotatably connected with a fixed pulley 21, and the outer side wall of the casing 5 is symmetrically penetrated and fixed with a threading pipe 6, a support plate 12 is fixed on the right side of the upper connecting body 4, a wind speed and wind direction sensor 11 is fixed on the upper surface of the support plate 12, an inclination angle sensor 19 and a PLC (programmable logic controller) 23 are sequentially fixed on the inner upper surface of an upper groove 29 from left to right, the inclination angle sensor 19 and the wind speed and wind direction sensor 11 are electrically connected with the PLC 23, when the wind speed and wind direction sensor 11 monitors the external wind speed and wind direction in real time when an object is hoisted by an anti-drop hook body 15 in the using process, but when the external wind speed is monitored to be high, wind speed and wind direction signals are simultaneously released to the PLC 23, at the moment, the PLC 23 starts a servo motor 18 to drive a moving box 17 to move between the upper connecting body 4 and the lower connecting body 1, and enables a nozzle 2 to be in the same direction as the wind direction, then stops the servo motor 18 and starts an air pump 26, make nozzle 2 blowout and the equal air current of wind speed, when avoiding external wind great, lead to the couple the condition that rocks to appear, simultaneously when using, inclination sensor 19 can real time supervision couple's slope situation, when the handling object, behind the condition that the couple appears making a round trip to rock, inclination sensor 19 can give PLC controller 23 with signal transmission, PLC controller 23 starts servo motor 18 this moment and drives and remove box 17 and remove to the couple direction of rocking, then start air pump 26 and spout the air current from nozzle 2, thereby make rocking of couple reduce until disappearing.

Further, be equipped with protection plate 3 between upper connector 4 and the lower connector 1, the both ends of protection plate 3 respectively with remove the front and back fixed surface of box 17 and be connected, and the top and the bottom of protection plate 3 are located the inside of two annular 24 respectively, and protection plate 3 does not influence the removal that removes box 17 to can shelter from the protection to the result structure between the upper and lower connector.

Further, department is fixed with U type connecting piece 30 in the middle of the lower surface of lower connector 1, and the top of anticreep couple body 15 is located the inside of U type connecting piece 30, and rotates with U type connecting piece 30 and be connected, makes anticreep couple body 15 rotate to the demand that the adaptation was used.

Furthermore, a plurality of storage boxes 13 are uniformly fixed on the lower surface of the lower connector 1 outside the U-shaped connector 30, a central shaft 41 is rotatably connected inside the storage boxes 13, a winding wheel 39 is fixed on the outer side wall of the central shaft 41 inside the storage boxes 13, a binding rope 38 is wound on the outer side wall of the winding wheel 39, one end of the binding rope 38 is fixedly connected with the outer side wall of the winding wheel 39, the other end of the binding rope passes through the outer side wall of the storage boxes 13, and is integrally formed with an end 16, spring springs 40 are fixed on the outer side wall of the central shaft 41 on both sides of the winding wheel 39, one ends of the two spring springs 40 far away from the central shaft 41 are fixedly connected with the inner side wall of the storage boxes 13, in the using process, when the anti-drop hook body 15 is damaged and cannot hook the connecting rope of the connecting object or the connecting rope cannot be provided from the outside, an operator can pull out the binding ropes 38 in the plurality of storage boxes 13, and the rope is tied on the hoisted object, the hoisting operation of the object can be realized by lifting the lifting hook upwards, after the object is hoisted in place, the binding rope 38 is separated from the object, and the binding rope 38 can be automatically retracted into the containing box 13 under the action of the clockwork spring 40.

Furthermore, a mounting box 14 is fixed on one side of the storage box 13, one end of a middle shaft 41 extends into the mounting box 14, a ratchet wheel 37 is fixed on the outer side wall of the middle shaft 41 and is positioned inside the mounting box 14, a pawl 34 is rotatably connected on one side inside the mounting box 14 through a torsion spring, the pawl 34 is connected with the ratchet wheel 37 in a clamping manner, a rotating rod 36 is fixed on one side of the pawl 34, one end of the rotating rod 36, which is far away from the pawl 34, is positioned outside the mounting box 14 and is fixed with a rotating button 35, when the binding rope 38 is pulled out from the storage box 13, the ratchet wheel 37 and the pawl 34 rotate mutually to enable the binding rope 38 to be pulled out, when the binding rope 38 is pulled out, the middle shaft 41 has a tendency of rotating under the action of a spring 40, and at the moment, the ratchet wheel 37 and the pawl 34 are mutually clamped mutually, so that the binding rope 38 is prevented from being retracted into the storage box 13 under the action of the spring 40 in the using process, and can avoid when handling the object, the couple need rise a distance back upwards, the condition that just can get up the object handling this moment to when need not using the wiring 38, rotate knob 35, make ratchet 37 and pawl 34 break away from each other, at this moment under clockwork spring 40's effect, wiring 38 can be taken in and receive in the box 13.

Furthermore, a set of reinforcing ribs 21 are fixed to the top and the bottom of the outer side wall of the connecting rod 22, one ends, far away from the connecting rod 22, of the two sets of reinforcing ribs 21 are fixedly connected with the upper surface and the lower surface of the inner portion of the two grooves 29 respectively, and the number of the reinforcing ribs 21 in each set is at least four, so that the upper connecting body and the lower connecting body are connected more firmly.

Further, the inside of casing 5 is fixed with holds box 20, the bottom of fixed pulley 21 is located the inside that holds box 20, the top that holds box 20 is located the both sides of fixed pulley 21 and all sets up and through wires hole 43, two through wires holes 43 and two through wires 6 one-to-one, the lifting rope of carrying the couple can pass and hold box 20, and hold and to have contained lubricating grease in the box 20, when the lifting rope motion, lubricating grease can the adhesion on the lifting rope, thereby can paint lubricating grease to the lifting rope, avoid the in-process of using, need the manual work to paint the inconvenience that lubricating grease caused.

Further, hold the junction of box 20 and fixed pulley 21 and be fixed with sealing washer 42, the internal surface bottom of threading hole 43 is fixed with the circle 44 of wiping evenly, and the top of threading pipe 6 is fixed with scrapes off circle 10, and sealing washer 42 can avoid holding the lubricating grease in the box 20 and receive the pollution and be taken out by fixed pulley 21, and the circle 44 of wiping evenly can be smeared the lubricating grease of adhesion on the lifting rope evenly, scrapes off circle 10 and can scrape off old lubricating grease on the lifting rope.

Further, the front surface of casing 5 is fixed with from the top down in proper order and adds pipe 8 and visual window 9, adds the rear end of pipe 8 and is linked together with the inside that holds box 20, and the lateral wall of adding pipe 8 is fixed with check valve 7, and visual window 9 makes things convenient for operating personnel to observe the volume of holding lubricating grease in the box 20 to can add lubricating grease toward holding box 20 through adding pipe 8, check valve 7 allows lubricating grease to add to holding box 20 through adding pipe 8 in, and does not allow lubricating grease to spill over from adding pipe 8.

In conclusion, the working process of the invention is as follows: in the using process, when the object is hung and lifted through the anti-drop hook body 15, at the moment, the wind speed and wind direction sensor 11 can monitor the external wind speed and wind direction in real time, but when the external wind speed is monitored to be high, wind speed and wind direction signals can be simultaneously released to the PLC controller 23, at the moment, the PLC controller 23 can start the servo motor 18 to drive the moving box 17 to move between the upper connecting body 4 and the lower connecting body 1, the nozzle 2 is enabled to be in the same direction as the wind direction, then the servo motor 18 is stopped, the air pump 26 is started, the nozzle 2 can spray air flow equal to the wind speed, the situation that the hook shakes when the external wind is high is avoided, meanwhile, when the hook is used, the inclination sensor 19 can monitor the inclination situation of the hook in real time, when the object is lifted, after the hook shakes back and forth, the inclination sensor 19 can send signals to the PLC controller 23, at this time, the PLC 23 starts the servo motor 18 to drive the movable box 17 to move to the direction that the hook shakes, and then starts the air pump 26 to spray air flow out of the nozzle 2, so that the shaking of the hook is reduced until the shaking disappears.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.