CN218344989U - Pre-hoisting stabilizing device for crane hook - Google Patents

Abstract

The utility model relates to a crane hook is hoist stabilising arrangement in advance, relate to lifting device's field, it includes firm frame, connect in the lifting rope at firm frame top, be located the hanging balance frame of firm frame below, still including being located between firm frame and the hanging balance frame and being used for promoting the hanging balance frame hang the subassembly and set up in the hook subassembly of hanging balance frame bottom, the hook subassembly is including setting up in the link of hanging balance frame bottom, set up in the connecting rod of link bottom and set up in the connecting rod bottom and seted up open-ended lifting hook main part, vertical slip has the anti-disengagement frame with lifting hook main part looks adaptation in the lifting hook main part, the anti-disengagement frame blocks the opening of lifting hook main part when sliding to lifting hook main part bottom, vertical being provided with between the bottom of the inboard bottom of lifting hook main part and the bottom of the anti-disengagement frame outside will prevent a plurality of elastic component that break away from the frame and push to lifting hook main part top. This application is through setting up the anticreep frame in lifting hook main part, reduces the phenomenon that the part that hangs on the heavy object breaks away from lifting hook main part.

Description

Pre-hoisting stabilizing device for crane hook

Technical Field

The application relates to the field of hoisting equipment, in particular to a crane hook pre-hoisting stabilizing device.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, and the hoisting equipment has the working characteristic of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle work alternately, so that the crane is more and more widely developed and used in the market. When the crane is provided with the lifting hook, the lifting hook is hooked on the corresponding position of the object when the object needs to be lifted, and then the object is lifted.

Chinese patent No. CN108529430B discloses a crane hook pre-hoisting stabilizing device, which comprises a stabilizing device, a hanging scale, a hook, a lifting rope and a steel wire rope; the stabilizing device comprises two parallel rectangular plates; the partition board fixedly arranged between the two rectangular boards divides the rectangular frame into an upper stable frame and a lower stable frame; two vertical limiting plates which are parallel to each other are fixedly arranged between the two rectangular plates in the upper rectangular frame; a horizontal limiting plate is fixed between the two vertical limiting plates; a lifting device is arranged in the upper stabilizing frame; a pre-lifting device is fixedly arranged in the lower stabilizing frame. According to the invention, the pre-lifting device is arranged below the lifting device of the crane, before the weight is formally lifted, the stepping servo motor rotates to drive the steel wire rope to further hoist the weight to a position which is not far away from the bottom surface in advance so as to detect whether the weight is fastened or not, so that the danger caused by falling off of the weight after formal lifting due to non-fastening of the weight is avoided, and the safety of the crane in the lifting process is improved.

In view of the above-mentioned related technologies, the inventor thinks that when the lifting hook lifts a heavy object, it is necessary to install a corresponding hanging part on the heavy object and make the lifting hook the hanging part on the heavy object, but in the hanging process, the heavy object may shake and lose balance, so that the lifting hook may break away from the hanging part on the heavy object, thereby causing a potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to reduce the phenomenon that the heavy object breaks away from the lifting hook, improve the security performance, this application provides a crane hook is hoisting stabilising arrangement in advance.

The application provides a crane hook hangs stabilising arrangement in advance adopts following technical scheme:

the utility model provides a crane hook is stabilising arrangement that lifts in advance, includes firm frame, connect in the lifting rope at firm frame top, be located firm frame below hang the balance frame, still including being located firm frame with hang between the balance frame and be used for promoting hang the lifting unit of balance frame and set up in the lifting hook subassembly of balance frame bottom, the lifting hook subassembly including set up in the link of balance frame bottom, set up in the link of link bottom and set up in the link bottom just has seted up open-ended lifting hook main part, vertical slip in the lifting hook main part have with the anti-disengagement frame of lifting hook bulk phase adaptation, the anti-disengagement frame slides extremely block during lifting hook main part bottom the opening of lifting hook main part, the inboard bottom of lifting hook main part with vertically be provided with between the bottom in the anti-disengagement frame outside with the anti-disengagement frame is pushed a plurality of elastic component at lifting hook main part top.

Through adopting above-mentioned technical scheme, when needs hoist and mount object, the corresponding position of object is caught on to the lifting hook main part to hoist the object, at this in-process, because the object hook is in the anti-separation frame, when the lifting hook main part rises, the anti-separation frame is for lifting hook main part downstream, the elastic component is compressed gradually, make the anti-separation frame slide to lifting hook main part bottom, at this moment, the anti-separation frame can block the opening of lifting hook main part, be difficult for breaking away from during making lifting hook main part lifting hook object, thereby improve the security performance.

Optionally, the lifting hook main part with the shape that prevents breaking away from the frame is the C font, two lateral walls that the lifting hook main part is relative all vertically are provided with prevents breaking away from the piece, two lateral walls that prevent breaking away from the frame relative with prevent the laminating of the face in opposite directions that breaks away from the piece.

Through adopting above-mentioned technical scheme, the setting of anticreep piece can reduce the phenomenon that the anticreep frame breaks away from the lifting hook main part.

Optionally, the lifting hook main part with the vertical lateral wall in opposite directions of anticreep frame is vertical respectively to be provided with spacing groove and stopper, the stopper with spacing groove sliding connection.

Through adopting above-mentioned technical scheme, the setting of stopper and spacing groove can play limiting displacement to the slip of anticreep frame, improves the stability when anticreep frame slides.

Optionally, the vertical mounting groove of offering with connecting rod looks adaptation of link bottom, connecting rod upper end slides and wears to locate in the mounting groove, the both sides wall that the mounting groove is relative is vertical has seted up the spout, the top in the connecting rod outside be provided with spout sliding connection's slider, the bottom of spout lateral wall is provided with blocks the piece, block the piece with vertical spring that is provided with between the slider.

Through adopting above-mentioned technical scheme, the setting of vertical spring can make and have certain buffer distance between link and the connecting rod, and when the lifting hook main part did not catch on the object completely, the object can take place to drop when breaking away from the lifting hook main part, and this buffer distance is convenient for the operator and observes whether the lifting hook main part catches on the object completely to improve the security performance.

Optionally, the hoisting assembly includes a rotating shaft horizontally rotating in the stabilizing frame, a first gear key-connected to the outer side of the rotating shaft, a servo motor horizontally fixed to the outer side of the stabilizing frame and driving the rotating shaft to rotate, a connecting shaft rotatably connected to the stabilizing frame and located at two sides of the rotating shaft, a second gear key-connected to the outer side of the connecting shaft and engaged with the first gear, a traction sheave fixed to the outer side of the connecting shaft, and a traction rope arranged on the traction sheave and connected to the top of the steelyard frame.

Through adopting above-mentioned technical scheme, servo motor drive pivot is rotated, and the pivot drives two second gears through first gear and rotates with opposite direction to drive the connecting axle and rotate, can control the flexible of towline when the connecting axle rotates, thereby hoist in advance the object.

Optionally, the anti-separation block is fixedly connected with the hook body in a detachable mode, the hook body is fixedly connected with a plurality of clamping blocks on the end face connected with the anti-separation block, and the anti-separation block corresponds to the clamping groove matched with the clamping blocks in a clamped mode is formed in the position of the hook body.

Through adopting above-mentioned technical scheme, the detachable of anti-separation piece and lifting hook main part is connected, the installation of the anti-separation frame of being convenient for.

Optionally, a plurality of fastening screws penetrate through the anti-separation block, and the anti-separation block and the lifting hook main body are fixed through the fastening screws.

Through adopting above-mentioned technical scheme, be connected the anti-separation piece with the lifting hook main part through fastening screw, further improve the stability of being connected between anti-separation piece and the lifting hook main part.

Optionally, the elastic part is an extension spring, a spring groove for installing the extension spring is vertically formed in the bottom of the inner side of the lifting hook main body, and the upper end of the extension spring is abutted to the bottom of the anti-separation frame.

Through adopting above-mentioned technical scheme, the setting of spring groove is convenient for extension spring's installation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when an object needs to be hoisted, the hook body hooks the corresponding position of the object and hoists the object, in the process, as the object is hooked in the anti-separation frame, when the hook body ascends, the anti-separation frame moves downwards relative to the hook body, the elastic piece is gradually compressed, so that the anti-separation frame slides to the bottom of the hook body, and at the moment, the anti-separation frame can block the opening of the hook body, so that the object is not easily separated when the hook body hooks the object, and the safety performance is improved;

2. the setting of vertical spring can make and have certain buffer distance between link and the connecting rod, when the lifting hook main part does not catch on the object completely, can take place to drop when the object breaks away from the lifting hook main part, and this buffer distance is convenient for the operator and observes the lifting hook main part and whether catches on the object completely to improve the security performance.

Drawings

FIG. 1 is a schematic illustration of an embodiment of the present application;

FIG. 2 is a schematic view of a lift assembly of an embodiment of the present application;

FIG. 3 is a schematic view of a hook assembly of an embodiment of the present application;

fig. 4 is a cross-sectional view of a hook body of an embodiment of the present application.

Description of reference numerals: 1. a stabilizing frame; 2. a lifting rope; 3. hanging a scale frame; 4. a rotating shaft; 5. a servo motor; 6. a first gear; 7. a connecting shaft; 8. a second gear; 9. a traction sheave; 10. a hoisting rope; 11. a connecting frame; 12. a connecting rod; 13. a hook body; 14. a separation prevention frame; 15. an outer plate; 16. an outer curved plate; 17. an outer hook plate; 18. an inner plate; 19. an inner curved plate; 20. an inner hook plate; 21. an elastic member; 22. a spring slot; 23. a limiting groove; 24. a limiting block; 25. an anti-separation block; 26. a clamping block; 27. a card slot; 28. fastening screws; 29. an anti-drop rod; 30. a barrier strip; 31. mounting grooves; 32. a chute; 33. a slider; 34. a blocking block; 35. a vertical spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a crane hook is hoist stabilising arrangement in advance. Referring to fig. 1, the pre-hoisting stabilizing device for the crane hook comprises a stabilizing frame 1, a lifting rope 2, a hanging scale frame 3, a lifting assembly and a lifting hook assembly, wherein the lifting rope 2 is fixed at the top of the stabilizing frame 1, the hanging scale frame 3 is positioned below the stabilizing frame 1, and the hanging scale frame 3 is connected with the stabilizing frame 1 through the lifting assembly. The lifting hook component is connected to the bottom of the scale hanger 3, the top of the lifting rope 2 is connected with a crane (not shown in the figure), the lifting hook component hooks an object, and the object is pre-lifted through the lifting component.

Referring to fig. 1 and 2, the stabilizing frame 1 is a square frame body with a hollow middle part, the top of the stabilizing frame is provided with an opening, and the suspended scale frame 3 is formed by integrally connecting two vertical plates. The hoisting assembly comprises a rotating shaft 4, a servo motor 5 and a first gear 6, the servo motor 5 is fixed on one side of the stabilizing frame 1, the rotating shaft 4 horizontally rotates in the stabilizing frame 1 and corresponds to the position of the servo motor 5, the output end of the servo motor 5 is fixed with one end of the rotating shaft 4, so that the servo motor 5 can drive the rotating shaft 4 to rotate, and the first gear 6 is in key connection with the outer side of the rotating shaft 4; the hoisting assembly further comprises two connecting shafts 7, a second gear 8, a traction sheave 9 and a traction rope 10, the two connecting shafts 7 horizontally rotate in the stabilizing frame 1, the two connecting shafts 7 are respectively positioned at the left side and the right side of the rotating shaft 4, the length direction of the connecting shafts 7 is parallel to the length direction of the rotating shaft 4, and the height of the connecting shafts 7 is the same as that of the rotating shaft 4; two second gears 8 are arranged, the two second gears 8 are respectively connected to the outer sides of the two connecting shafts 7 in a key mode, and the two second gears 8 are respectively meshed with the first gear 6; the two traction sheaves 9 are also arranged, the two traction sheaves 9 are connected to the outer sides of the two connecting shafts 7 in a key mode, the two traction ropes 10 are also arranged, the two traction ropes 10 are wound on the outer sides of the two traction sheaves 9 in opposite directions respectively, and one end, far away from the traction sheave 9, of each traction rope 10 is connected with the top of the steelyard frame 3.

The servo motor 5 is started, the servo motor 5 drives the rotating shaft 4 to rotate, the rotating shaft 4 simultaneously drives the two connecting shafts 7 to rotate in opposite directions, the dragging ropes 10 are continuously wound on the corresponding dragging wheels 9, and the dragging ropes 10 can lift the steelyard frame 3.

Referring to fig. 1 and 3, the hook assembly includes a connecting frame 11, a connecting rod 12 and a hook body 13, the connecting frame 11 is welded at the bottom of the scale frame 3, the connecting rod 12 is vertically connected at the bottom of the connecting frame 11, and the hook body 13 is welded at the bottom of the connecting rod 12. The inside anti-separation frame 14 that is provided with of lifting hook main part 13, anti-separation frame 14 and lifting hook main part 13 looks adaptation, lifting hook main part 13 all are the C font with anti-separation frame 14's shape, and the size that anti-separation frame 14 is less than lifting hook main part 13's size. Hook body 13 includes a planking 15, two outer bent plate 16 and two outer hook plate 17, and two outer bent plate 16 an organic whole set up in the upper and lower both ends of planking 15, and towards 15 same side bending of planking, outer bent plate 16 is the semilune form, and outer hook plate 17 an organic whole sets up in the one end that planking 15 was kept away from to outer bent plate 16, forms the opening between two outer hook plate 17. The separation preventing frame 14 includes an inner plate 18, two inner curved plates 19 and two inner hook plates 20, the two inner curved plates 19 are integrally connected to the upper and lower ends of the inner plate 18 and are curved toward the same side of the inner plate 18, the inner curved plates 19 are also half-moon shaped, and the inner hook plates 20 are integrally connected to the ends of the inner curved plates 19 away from the inner plate 18.

The separation preventing frame 14 can vertically slide in the hook main body 13, and when the separation preventing frame 14 slides to the bottom of the hook main body 13, the opening of the hook main body 13 can be blocked by the inner hook plate 20 of the separation preventing frame 14, so that the opening of the hook main body 13 is closed. Elastic members 21 are installed between the outer bent plate 16 at the bottom of the outer plate 15 and the inner bent plate 19 at the bottom of the inner plate 18, and the elastic members 21 can push the separation preventing frame 14 to the top of the hook body 13.

The upper end face of the outer bending plate 16 located at the bottom of the outer plate 15 is vertically provided with a plurality of spring grooves 22, the spring grooves 22 are used for installing elastic pieces 21, one end, away from the spring grooves 22, of each elastic piece 21 is connected with the bottom of the anti-separation frame 14, when the bottom of the anti-separation frame 14 is abutted to the bottom of the inner side of the hook main body 13, the anti-separation frame 14 blocks the opening of the hook main body 13, and the elastic pieces 21 are in a compression state. In the present embodiment, the elastic member 21 is a telescopic spring.

When the object needs to be hoisted, the hook body 13 hooks the object and lifts the object, and in the process, the object can be hooked in the anti-separation frame 14 and the anti-separation frame 14 moves downwards relative to the hook body 13, the elastic piece 21 is gradually compressed, so that the anti-separation frame 14 slides to the bottom of the hook body 13, and at the moment, the anti-separation frame 14 blocks the opening of the hook body 13, so that the object is not easy to separate from the hook body 13.

Referring to fig. 4, a limiting groove 23 is vertically formed in one side of the outer plate 15 close to the inner plate 18, a limiting block 24 matched with the limiting groove 23 is vertically fixed on one side of the inner plate 18 close to the outer plate 15, and the limiting block 24 is slidably connected in the limiting groove 23. The arrangement of the limiting block 24 and the limiting groove 23 has a limiting effect on the sliding of the anti-separation frame 14, and the stability of the anti-separation frame 14 during sliding is improved.

Referring to fig. 3, two sets of anti-separation blocks 25 are vertically installed on the outer side of the hook main body 13, two opposite end faces of the inner plate 18 are respectively attached to opposite faces of the two sets of anti-separation blocks 25, two opposite end portions of the outer plate 15 are fixed with a plurality of fixture blocks 26 which are vertically arranged, one end of each anti-separation block 25 is horizontally provided with a plurality of clamping grooves 27 which are vertically arranged, and each fixture block 26 is in clamping fit with the corresponding clamping groove 27. The anti-separation block 25 can prevent the anti-separation frame 14 from separating from the hook body 13, and the fixture block 26 and the fixture groove 27 can realize the detachable connection between the anti-separation block 25 and the hook body 13, so as to facilitate the disassembly and assembly of the anti-separation frame 14.

In order to improve the connection stability between the separation-preventing block 25 and the hook body 13, a fastening screw 28 is threaded through one end of the separation-preventing block 25, which is far away from the hook body 13, and the separation-preventing block 25 is connected with the hook body 13 through the fastening screw 28.

The lower end face of the outer hook plate 17 located on the top of the outer plate 15 is hinged with a retaining rod 29, the retaining rod 29 can swing vertically along the hinged part, and when the retaining rod 29 rotates to the vertical state, the retaining rod 29 can block the opening of the hook main body 13. The upper end face of the outer hook plate 17 located at the bottom of the outer plate 15 is fixed with a blocking strip 30, the blocking strip 30 is located below the anti-falling rod 29, and when the anti-falling rod 29 swings to a vertical state, the blocking strip 30 can block the anti-falling rod 29, so that the anti-falling rod 29 can only rotate to the inside of the hook main body 13. When the hook body 13 hoists an object, the object can push the anti-falling rod 29 towards the inside of the hook body 13, when the hook body 13 hooks the object, the anti-falling rod 29 naturally droops and blocks the opening of the hook body 13, so that the object is not easy to separate from the hook body 13, and the use safety of the object is improved.

Referring to fig. 4, the mounting groove 31 has been vertically seted up to link 11 bottom, and connecting rod 12 upper end sliding connection is in the mounting groove 31, and the equal vertical spout 32 of having seted up of the both sides wall that the mounting groove 31 is relative, two sliders 33 of top fixedly connected with in the connecting rod 12 outside, and slider 33 sliding connection is in spout 32, and the bottom rigidity of spout 32 lateral wall has blockked piece 34, and slider 33 is located directly over blockking piece 34. A vertical spring 35 is vertically arranged between the stop block 34 and the sliding block 33, the bottom end of the vertical spring 35 is connected with the upper end face of the stop block 34, and the top end of the vertical spring 35 is connected with the lower end face of the sliding block 33.

The implementation principle of the crane hook pre-hoisting stabilizing device in the embodiment of the application is as follows: when the object needs to be hoisted, the hook body 13 hooks the object and lifts the object, and in the process, the object can be hooked in the anti-separation frame 14 and the anti-separation frame 14 moves downwards relative to the hook body 13, the elastic piece 21 is gradually compressed, so that the anti-separation frame 14 slides to the bottom of the hook body 13, and at the moment, the anti-separation frame 14 blocks the opening of the hook body 13, so that the object is not easy to separate from the hook body 13.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A pre-hoisting stabilizing device for a crane hook comprises a stabilizing frame (1), a lifting rope (2) connected to the top of the stabilizing frame (1), and a hanging scale frame (3) positioned below the stabilizing frame (1); the method is characterized in that: still including being located firm frame (1) with be used for promoting between hanging scale frame (3) hang the subassembly that rises of scale frame (3) and set up in hang the hook component of scale frame (3) bottom, the hook component including set up in link (11) of hanging scale frame (3) bottom, set up in connecting rod (12) of link (11) bottom and set up in connecting rod (12) bottom and seted up open-ended lifting hook main part (13), vertical slip in lifting hook main part (13) have with anti-disengagement frame (14) of lifting hook main part (13) looks adaptation, anti-disengagement frame (14) slide extremely block when lifting hook main part (13) bottom the opening of lifting hook main part (13), the inboard bottom of lifting hook main part (13) with vertically be provided with between the bottom in the anti-disengagement frame (14) outside will anti-disengagement frame (14) are pushed a plurality of elastic component (21) at lifting hook main part (13) top.

2. A crane hook pre-hoist stabilizer device as claimed in claim 1, wherein: hook main part (13) with the shape of anticreep frame (14) is the C font, hook main part (13) two relative lateral walls are all vertical to be provided with anticreep piece (25), two relative lateral walls of anticreep frame (14) with the laminating of the face in opposite directions of anticreep piece (25).

3. A crane hook pre-hoist stabilizer device as claimed in claim 1, wherein: lifting hook main part (13) with the vertical lateral wall in opposite directions of anticreep frame (14) is vertical respectively to be provided with spacing groove (23) and stopper (24), stopper (24) with spacing groove (23) sliding connection.

4. A crane hook pre-hoist stabilizer device as claimed in claim 1, wherein: link (11) bottom vertical seted up with mounting groove (31) of connecting rod (12) looks adaptation, connecting rod (12) upper end slides and wears to locate in mounting groove (31), both sides wall that mounting groove (31) are relative is vertical has seted up spout (32), the top in the connecting rod (12) outside be provided with spout (32) sliding connection's slider (33), the bottom of spout (32) lateral wall is provided with blocks piece (34), block piece (34) with vertically be provided with vertical spring (35) between slider (33).

5. A crane hook pre-hoist stabilizer device as claimed in claim 1, wherein: the hoisting assembly comprises a rotating shaft (4) horizontally rotating in the stabilizing frame (1), a first gear (6) connected with the rotating shaft (4) in a key mode, a servo motor (5) horizontally fixed on the stabilizing frame (1) and driving the rotating shaft (4) to rotate, a connecting shaft (7) rotatably connected with the stabilizing frame (1) and positioned on two sides of the rotating shaft (4), a second gear (8) connected with the connecting shaft (7) in a key mode and meshed with the first gear (6), a traction wheel (9) fixed on the connecting shaft (7) in a rotating mode, and a traction rope (10) arranged on the traction wheel (9) and connected with the top of the scale hanging frame (3).

6. The crane hook pre-hoisting stabilizing device of claim 2, wherein: prevent breaking away from piece (25) with the detachable fixed connection of lifting hook main part (13), lifting hook main part (13) with a plurality of fixture blocks (26) of terminal surface fixedly connected with that prevent breaking away from the piece (25) and connect, prevent breaking away from piece (25) and correspond the position of lifting hook main part (13) seted up with fixture block (26) joint complex draw-in groove (27).

7. The crane hook pre-hoisting stabilizing device of claim 6, wherein: the anti-separation block (25) is provided with a plurality of fastening screws (28) in a penetrating mode, and the anti-separation block (25) and the hook main body (13) are fixed through the fastening screws (28).

8. The crane hook pre-hoisting stabilizing device of claim 1, wherein: elastic component (21) are expanding spring, the installation has vertically been seted up to the bottom of lifting hook main part (13) inboard expanding spring's spring groove (22), the expanding spring upper end with prevent breaking away from frame (14) bottom butt.

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