CN218619835U

CN218619835U - Gantry crane wire rope anticreep double hook device

Info

Publication number: CN218619835U
Application number: CN202221847881.7U
Authority: CN
Inventors: 王庆奇; 薛娟花; 王兴昌; 王庆朝
Original assignee: Henan Tongli Lifting Machinery Co ltd
Current assignee: Henan Tongli Lifting Machinery Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-03-14
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a gantry crane wire rope anticreep double hook device relates to hoist technical field, specifically is a gantry crane wire rope anticreep double hook device, including lifting hook support, pulley housing, wire rope stop gear, pulley stop gear and double hook lifting hook, wire rope stop gear comprises mount, limit slide, butt piece and butt spring, pulley stop gear comprises first spacing clamp cover, first sleeve, the spacing clamp of second cover and second sleeve. This gantry crane wire rope anticreep double hook device, wire rope stop gear's setting through butt piece and butt spring butt in stop slide's the outside, prevents that stop slide from carrying out great displacement, has reached comparatively good mousing-hook's purpose, through pulley stop gear's setting, first spacing clamp cover, first sleeve, the spacing clamp cover of second and second sleeve prevent that the position between pulley sleeve and pulley and the fixed axle from taking place to remove, has reached the purpose that further improves mousing-hook.

Description

Gantry crane wire rope anticreep double hook device

Technical Field

The utility model relates to a hoist technical field specifically is a gantry crane wire rope anticreep double hook device.

Background

A lifting hook is a component of a crane. Are commonly used for lifting heavy objects. The unsafe state of the crane is firstly the risk brought by the irregular design, such as failure of overload protection, insufficient strength of a balance wheel shaft, no unhooking prevention device, unreasonable selection of a sling rigging and the like; secondly, manufacturing defects, mounting defects and the like, such as improper material selection and poor processing quality, make equipment with hidden troubles put into use. And a great number of problems exist in the using process, such as untimely replacement of scrapped parts, lack of necessary safety protection, bad maintenance and operation with diseases, so that the movement is out of control, the parts or the structure are damaged, and the safety performance inspection is carried out irregularly. In a word, defects in any link of design, manufacture, installation, use, inspection and the like can bring about serious consequences of falling of a hanging object of the lifting hook. The intrinsic safety (design, manufacture, installation) of the crane is a basic condition for ensuring the safety of the hoisting operation.

The reasons for the phenomenon that the existing hook of the gantry crane is unhooked during hoisting are mostly as follows: 1. because the lifting hook is not lifted by crane perpendicularly, make wire rope receive the power of slope, lead to wire rope to run out from the pulley, secondly, the pulley is fixed insecure in inside, leads to the pulley to take place to remove when lifting by crane, makes wire rope take place the unhook phenomenon, in order to prevent that above-mentioned phenomenon from taking place, needs an unhooking prevention device that can effectively prevent to above-mentioned situation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a gantry crane wire rope anticreep double hook device has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a gantry crane wire rope anticreep double hook device, includes lifting hook support, pulley housing, wire rope stop gear, pulley stop gear and double hook lifting hook, lifting hook support's inside fixedly connected with fixed axle, the pulley housing rotates to be connected on the fixed axle, the inside of pulley housing is provided with the pulley, the pulley passes through the bearing with the fixed axle and rotates and be connected, the inside of pulley is provided with wire rope, wire rope stop gear sets up the top at lifting hook support, wire rope stop gear comprises mount, spacing slider, butt joint piece and butt spring, pulley stop gear comprises first spacing clamp cover, first sleeve, the spacing clamp cover of second and second sleeve, lifting hook support's bottom is rotated and is connected with the rotation adapter sleeve, double hook lifting hook sets up in the bottom of rotating the adapter sleeve.

Optionally, the pulley sleeve is provided with a plurality of in the lifting hook support, the fixed axle is provided with two, and about lifting hook support symmetric distribution, the surface of pulley sleeve is provided with the opening.

Optionally, the bottom of the fixing frame is fixedly connected with the top of the lifting hook support, through grooves are formed in the surface of the fixing frame, the number of the through grooves is consistent with that of the pulleys, and sliding grooves are formed in the inner walls of the through grooves.

Optionally, the two sides of the limiting slide block are fixedly connected with slide rails, the slide rails slide in the sliding grooves, the inner side walls of the through grooves are fixedly connected with the abutting springs, the ends of the abutting springs are fixedly connected with the abutting blocks, and the abutting blocks are abutted to the two sides of the limiting slide block.

Optionally, a through hole is formed in the surface of the limiting sliding block, the steel wire rope penetrates through the through hole, the diameter of the through hole is small in the middle, and the diameters of the two ends are large.

Optionally, the first limiting clamping sleeve is provided with two sides of a pulley sleeve, the first limiting clamping sleeve is in interference fit with the fixed shaft, two pulley sleeves are arranged on each fixed shaft and are symmetrically distributed, the first sleeve is arranged between the two pulley sleeves, the first sleeve is sleeved on the outer surface of the fixed shaft, and two ends of the first sleeve are abutted to the end of the first limiting clamping sleeve.

Optionally, two pulleys are arranged inside each pulley sleeve, the pulleys are symmetrically distributed about the center of the pulley sleeve, two ends of each pulley are abutted to a second limiting clamping sleeve, the second limiting clamping sleeve is in interference fit with the fixed shaft, the second sleeve is sleeved outside the fixed shaft, and two ends of the second sleeve are connected with the end of the second limiting clamping sleeve.

Optionally, an elastic buckle is arranged inside the double-hook lifting hook, a groove is formed in the bottom of the rotating connecting sleeve, the double-hook lifting hook is inserted into the groove, jacks are formed in the outer surface of the double-hook lifting hook and the inner wall of the groove, and a pin shaft is inserted into the jacks.

(III) advantageous effects

The utility model provides a gantry crane wire rope anticreep double hook device possesses following beneficial effect:

1. this gantry crane wire rope anticreep double hook device, through wire rope stop gear's setting, the outside at wire rope is cup jointed to the spacing slider when using, then through butt piece and butt spring butt in the outside of spacing slider, prevent that spacing slider from carrying out great displacement, reached the improvement to wire rope spacing, prevent that the wire rope skew leads to breaking away from the pulley and causing the unhook when lifting by crane, reached comparatively good mousing-hook's purpose.

2. This gantry crane wire rope anticreep double hook device, through pulley stop gear's setting, adopt first spacing clamp cover, first sleeve, second spacing clamp cover prevents with the second sleeve that the position between pulley sleeve and pulley and the fixed axle from taking place to remove, prevent that the pulley from sliding on the fixed axle, lead to wire rope and pulley to take place to break away from, the purpose that has further improved mousing-hook has been reached, adopt wire rope stop gear and pulley stop gear's setting, duplicate protection has been realized, the better effect of mousing-hook ability has been played.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the part A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of a top view structure of the wire rope limiting mechanism of the present invention;

fig. 5 is a schematic top view of the pulley sleeve and the pulley of the present invention;

fig. 6 is a schematic diagram of a three-dimensional structure of the pulley limiting mechanism of the present invention.

In the figure: 1. a hook support; 2. a pulley sleeve; 3. a pulley; 4. a fixed shaft; 5. a fixed mount; 6. a chute; 7. a limiting slide block; 8. a through hole; 9. a wire rope; 10. a butting block; 11. an abutment spring; 12. a first limiting jacket; 13. a first sleeve; 14. a second limiting jacket; 15. a second sleeve; 16. rotating the connecting sleeve; 17. a double hook lifting hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1:

referring to fig. 1 to 4, the present invention provides a technical solution: a steel wire rope anti-drop double-hook device of a gantry crane comprises a hook support 1, a pulley sleeve 2, a steel wire rope limiting mechanism, a pulley limiting mechanism and a double-hook 17, wherein a fixed shaft 4 is fixedly connected inside the hook support 1, the pulley sleeve 2 is rotatably connected on the fixed shaft, a pulley 3 is arranged inside the pulley sleeve 2, the pulley 3 is rotatably connected with the fixed shaft 4 through a bearing, a plurality of pulley sleeves 2 are arranged inside the hook support 1, two fixed shafts 4 are arranged and symmetrically distributed relative to the hook support 1, an opening is arranged on the surface of the pulley sleeve 2, a steel wire rope 9 is arranged inside the pulley 3, the steel wire rope limiting mechanism is arranged at the top of the hook support 1 and consists of a fixed frame 5, a limiting slide block 7, a butting block 10 and a butting spring 11, the bottom of the fixed frame 5 is fixedly connected with the top of the hook support 1, and a through groove is formed in the surface of the fixed frame 5, the number of the through grooves is consistent with that of the pulleys 3, the inner wall of each through groove is provided with a sliding groove 6, two sides of a limiting slide block 7 are fixedly connected with sliding rails, the sliding rails slide in the sliding grooves 6, the inner side wall of each through groove is fixedly connected with a butting spring 11, the end of the butting spring 11 is fixedly connected with a butting block 10, the butting block 10 is butted with two sides of the limiting slide block 7, the surface of the limiting slide block 7 is provided with a through hole 8, a steel wire rope 9 penetrates through the through hole 8, the diameter of the through hole 8 is small in the middle, the diameters of two ends are large, the bottom of the hook support 1 is rotatably connected with a rotating connecting sleeve 16, a double-hook lifting hook 17 is arranged at the bottom of the rotating connecting sleeve 16, an elastic buckle is arranged in the double-hook lifting hook 17, the bottom of the rotating connecting sleeve 16 is provided with a groove, the double-hook lifting hook 17 is inserted in the groove, and jacks are formed in the outer surface of the double-hook lifting hook 17 and the inner wall of the groove, the pin shaft is inserted in the jack.

During the use, when hoisting up, because wire rope 9 sets up in limit slide 7's inside, prevent that wire rope 9 from carrying out lateral displacement, carry out the butt through butt piece 10 and butt spring 11 to limit slide 7 when wire rope 9 carries out longitudinal displacement, it is great to prevent that wire rope 9 from moving amplitude, it is spacing to wire rope 9 to have reached the improvement, prevent that wire rope 9 skew from leading to breaking away from pulley 3 and causing the unhook when hoisting up, reached the purpose of comparatively good mousing.

Example 2:

referring to fig. 5 to 6, the present invention provides a technical solution: the pulley limiting mechanism is composed of a first limiting jacket 12, a first sleeve 13, a second limiting jacket 14 and a second sleeve 15, the first limiting jacket 12 is provided with two sides of a pulley sleeve 2, the first limiting jacket 12 and a fixed shaft 4 are in interference fit, the pulley sleeves 2 are arranged on each fixed shaft 4 and are symmetrically distributed, the first sleeve 13 is arranged between the two pulley sleeves 2, the first sleeve 13 is sleeved on the outer surface of the fixed shaft 4, two ends of the first sleeve 13 are abutted to the end of the first limiting jacket 12, two pulleys 3 inside each pulley sleeve 2 are arranged, the pulleys 3 are symmetrically distributed about the center of the pulley sleeve 2, two ends of each pulley 3 are abutted to the second limiting jacket 14, the second limiting jacket 14 is in interference fit with the fixed shaft 4, the second sleeve 15 is sleeved outside the fixed shaft 4, and two ends of the second sleeve 15 are abutted to the end of the second limiting jacket 14.

During the use, when installation pulley housing 2 and pulley 3, through the clamping of first spacing clamp cover 12 in the outside of pulley housing 2, two sets of first spacing clamp covers 12 of first sleeve 13 butt, prevent that pulley housing 2 from taking place to slide, rethread second spacing clamp cover 14 and second sleeve 15's setting, make pulley 3 can only rotate and can not carry out the sideslip, reached the purpose that further improves mousing-hook, adopt wire rope stop gear and pulley stop gear's setting, duplicate protection has been realized, the better effect of mousing-hook ability has been played.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a gantry crane wire rope anticreep double hook device, includes lifting hook support (1), pulley housing (2), wire rope stop gear, pulley stop gear and double hook lifting hook (17), its characterized in that: the inside fixedly connected with fixed axle (4) of lifting hook support (1), pulley cover (2) rotate to be connected on the fixed axle, the inside of pulley cover (2) is provided with pulley (3), pulley (3) rotate through the bearing with fixed axle (4) and are connected, the inside of pulley (3) is provided with wire rope (9), wire rope stop gear sets up the top at lifting hook support (1), wire rope stop gear comprises mount (5), limit slide (7), butt piece (10) and butt spring (11), pulley stop gear comprises first limit clamp cover (12), first sleeve (13), second limit clamp cover (14) and second sleeve (15), the bottom of lifting hook support (1) is rotated and is connected with rotation adapter sleeve (16), double hook lifting hook (17) sets up in the bottom that rotates adapter sleeve (16).

2. The gantry crane steel wire rope anti-drop double-hook device as claimed in claim 1, wherein: pulley housing (2) are provided with a plurality ofly in the inside of lifting hook support (1), and fixed axle (4) are provided with two, and about lifting hook support (1) symmetric distribution, the surface of pulley housing (2) is provided with the opening.

3. The gantry crane steel wire rope anti-drop double-hook device as claimed in claim 1, wherein: the bottom of mount (5) and the top fixed connection of lifting hook support (1), logical groove has been seted up on the surface of mount (5), the quantity that leads to the groove is unanimous with the quantity of pulley (3), spout (6) have been seted up on the inner wall that leads to the groove.

4. The gantry crane steel wire rope anti-drop double-hook device as claimed in claim 3, wherein: the both sides fixedly connected with slide rail of stop block (7), the slide rail slides in the inside of spout (6), the inside wall and butt spring (11) fixed connection that lead to the groove, the end and the butt piece (10) fixed connection of butt spring (11), the both sides butt of butt piece (10) and stop block (7).

5. The gantry crane steel wire rope anti-drop double-hook device as claimed in claim 4, wherein: through-hole (8) have been seted up on the surface of spacing slider (7), wire rope (9) run through-hole (8), the aperture of through-hole (8) is middle diameter little, and both ends diameter is big.

6. The gantry crane steel wire rope anti-drop double-hook device as claimed in claim 1, wherein: the pulley sleeve structure is characterized in that two sides of the pulley sleeve (2) are arranged on the first limiting clamping sleeve (12), the first limiting clamping sleeve (12) is in interference fit with the fixed shaft (4), two pulley sleeves (2) are arranged on each fixed shaft (4) and are symmetrically distributed, the first sleeve (13) is arranged between the two pulley sleeves (2), the first sleeve (13) is sleeved on the outer surface of the fixed shaft (4), and two ends of the first sleeve (13) are abutted to the end of the first limiting clamping sleeve (12).

7. The gantry crane steel wire rope anti-drop double-hook device as claimed in claim 6, wherein: the pulley sleeve is characterized in that two pulleys (3) are arranged inside each pulley sleeve (2), the pulleys (3) are symmetrically distributed about the center of each pulley sleeve (2), two ends of each pulley (3) are abutted to second limiting clamping sleeves (14), the second limiting clamping sleeves (14) are in interference fit with the fixed shaft (4), the second sleeve (15) is sleeved outside the fixed shaft (4), and two ends of each second sleeve (15) are connected with the ends of the second limiting clamping sleeves (14).

8. The gantry crane steel wire rope anti-drop double-hook device as claimed in claim 1, wherein: the inside of double hook lifting hook (17) is provided with elastic buckle, the bottom of rotating adapter sleeve (16) is seted up flutedly, the inside of double hook lifting hook (17) grafting recess, the jack has all been seted up to the surface of double hook lifting hook (17) and the inner wall of recess, the inside grafting of jack has the round pin axle.