CN217972247U

CN217972247U - Lifting hook device

Info

Publication number: CN217972247U
Application number: CN202221946846.0U
Authority: CN
Inventors: 张生磊; 李明星; 任天鹰; 郭晓东; 王福远
Original assignee: Taiyuan Heavy Industry Co Ltd
Current assignee: Taiyuan Heavy Industry Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-06
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a lifting hook device, including the lifting hook, the lifting hook crossbeam, the curb plate, the lifting hook clamp plate, the semicircle cardboard, the self-lubricating bush, the lifting hook shank inserts in the through-hole of lifting hook crossbeam, the vertical barrel of self-lubricating bush inlays the dress between lifting hook shank and lifting hook crossbeam through-hole, the bottom surface of the horizontal flange of self-lubricating bush is laminated in the surface of lifting hook crossbeam, lifting hook shank periphery is installed on the top surface of horizontal flange in to the lifting hook clamp plate cover of loop configuration, two semicircle cardboards block and fix on the lifting hook clamp plate through fastening bolt in the ring groove of lifting hook shank afterbody setting. The hook device adopts a connection mode of the hook pressing plate and the semicircular clamping plate, has a simple connection structure, is convenient to assemble, shortens the processing period, improves the production efficiency and reduces the production cost; the self-lubricating bush that adopts need not regular lubrication and maintenance, and lifting hook clamp plate and self-lubricating bush conical surface cooperation avoid taking place the card among the rotation process and hinder, and the guarantee hoist and mount operation smoothly goes on.

Description

Lifting hook device

Technical Field

The utility model belongs to the technical field of hoisting equipment, more specifically relates to a lifting hook device.

Background

The lifting hook device is the most common lifting appliance in the lifting equipment, as shown in fig. 1, the lifting hook device in the prior art is composed of a lifting hook 15, a lifting hook nut 11, a lifting hook cross beam 14, a thrust bearing 13, a side plate 12 and the like, the lifting hook 15 and the lifting hook nut 11 are supported on the lifting hook cross beam 14 and the thrust bearing 13 through threaded connection, and the lifting hook 15 and the lifting hook nut 11 can freely rotate around the vertical direction through the thrust bearing 13 so as to conveniently lift heavy objects.

In the prior art, the lifting hook 15 and the lifting hook nut 11 in the lifting hook device need to be processed with corresponding threads, and the lifting hook 15 and the lifting hook nut 11 are processed with threads by a single-matching method in actual production, so that the processing difficulty is high, the period is long, the efficiency is low, and the precision is poor. Moreover, the lifting hook slewing bearing structure in the lifting hook device in the prior art adopts the thrust bearing 13, so that the cost is high, the lubrication is difficult, the lifting hook slewing bearing structure is not suitable for severe environment, the blocking condition often exists, and the normal lifting operation is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem that exists among the prior art, the utility model provides a lifting hook device, lifting hook device includes lifting hook, lifting hook crossbeam, curb plate, lifting hook clamp plate, semicircle cardboard, self-lubricating bush, wherein, lifting hook crossbeam middle part is provided with the through-hole, the shank of lifting hook inserts in the through-hole, the curb plate fastening is in the both ends of lifting hook crossbeam, self-lubricating bush comprises horizontal flange and vertical barrel, vertical barrel inlays the dress and is in the shank of lifting hook with between the through-hole of lifting hook crossbeam, the bottom surface laminating of horizontal flange in the surface of lifting hook crossbeam, annular structure lifting hook clamp plate cover is arranged in the shank periphery of lifting hook is installed on the top surface of horizontal flange, two the semicircle cardboard block in the annular groove of lifting hook shank afterbody setting and through fastening bolt fix on the lifting hook clamp plate.

Further, in the lifting hook device, a circular groove is formed in the upper portion of the hook pressure plate, and the two semicircular clamping plates are embedded in the circular groove and fixed to the hook pressure plate through the fastening bolts.

Further, in the above lifting hook device, a countersunk threaded hole penetrating in the radial direction is provided on the circumferential side of the hook pressure plate, a radial stop hole is provided on the circumferential side of the tail portion of the hook shank, a stop screw is mounted in the countersunk threaded hole, and the stop screw is inserted into the stop hole.

Further, in the lifting hook device, the self-lubricating bush is a graphite-embedded self-lubricating bush, and graphite is embedded in the top surface of the transverse flange of the self-lubricating bush and the inner circumferential side surface of the vertical cylinder.

Further, in the above hoisting hook device, the hook presser plate and the top surface of the lateral flange are provided with a tapered fit therebetween, wherein the top surface of the lateral flange is formed with a first slope from the outer peripheral side to the center, and the bottom surface of the hook presser plate is correspondingly formed with a second slope from the outer peripheral side to the center, the first slope being equal to the second slope.

Preferably, the first slope and the second slope are both set to 10 to 20 degrees.

The utility model discloses a lifting hook device has following advantage and beneficial effect:

1. the utility model discloses a lifting hook device adopts the connected mode of lifting hook clamp plate with the semicircle cardboard, need not lifting hook and lifting hook nut screw-thread fit's mode, connection structure is simple, the equipment is convenient, easy to process, processing cycle has been shortened, production efficiency is improved, production cost is reduced, and connection structure's machining precision can be guaranteed, simultaneously because of abandoning prior art's lifting hook device threaded connection structure, threaded connection has been avoided singly joining in marriage processing, the shortcoming of using pairs, can satisfy the interchangeability requirement, and processing screw thread cutter and measuring tool expense have been saved.

2. The utility model discloses a lifting hook device adopts self-lubricating bush to replace prior art's thrust bearing, realizes that the lifting hook is 360 rotatory around the vertical direction, and self-lubricating bush inlays the dress inside the lifting hook crossbeam, assembles integratively with the lifting hook crossbeam, need not regular lubrication and maintenance, is applicable to various operating mode environment, can continue to use through changing the bush when the bush appears wearing and tearing, effectively prolongs the life of lifting hook crossbeam, reduces use cost.

3. Hook clamp plate and self-lubricating bush conical surface cooperation can realize hook clamp plate and self-lubricating bush's automatic centering, avoids taking place between hook clamp plate and the self-lubricating bush in the lifting hook rotation process to block, and the smooth and easy of guarantee hoist and mount operation goes on.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 used for further understanding of the embodiments of the present invention and constitute a part of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. In the drawings:

FIG. 1 is a schematic view of a prior art hook assembly;

FIG. 2 is a schematic view of the construction of the lifting hook assembly of the present invention;

FIG. 3 is a top view of the lifting hook assembly of FIG. 2;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

Description of the reference numerals:

11-hook nut, 12-side plate, 13-thrust bearing, 14-hook beam and 15-hook;

the device comprises a lifting hook pressing plate 1, a circular groove 11, a countersunk threaded hole 12, a side plate 2, a lifting hook beam 3, a lifting hook 4, a ring clamping groove 41, a locking hole 42, a semi-circular clamping plate 5, a fastening bolt 51, a self-lubricating bushing 6, a transverse flange 61, a vertical cylinder 62 and a locking screw 7.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to perform clear and complete description of the technical solution of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 2, fig. 3 and fig. 4, the utility model discloses a lifting hook device includes lifting hook 4, lifting hook crossbeam 3, curb plate 2, lifting hook clamp plate 1, semicircle cardboard 5, self-lubricating bush 6, lifting hook crossbeam 3 middle part is provided with the through-hole, the shank of lifting hook 4 inserts in lifting hook crossbeam 3's through-hole, curb plate 2 fastens at lifting hook crossbeam 3's both ends, self-lubricating bush 6 comprises horizontal flange 61 and vertical barrel 62, vertical barrel 62 inlays the dress between lifting hook 4's shank and lifting hook crossbeam 3's through-hole, the bottom surface of horizontal flange 61 is laminated in lifting hook crossbeam 3's surface, the shank periphery that lifting hook 4 was arranged in to annular structure's lifting hook clamp plate 1 cover is installed on horizontal flange 61's top surface, two semicircle cardboards 5 block are fixed on lifting hook clamp plate 1 in the ring groove 41 that lifting hook 4 shank afterbody set up and through fastening bolt 51.

The utility model discloses an among the lifting hook device, two 5 blocks of semicircle cardboard can prevent effectively reliably that lifting hook 4 from droing in the ring groove 41 that 4 shank afterbody of lifting hook set up. Further, as a specific implementation mode, in the lifting hook device of the present invention, the upper portion of the hook pressing plate 1 is provided with a circular groove 11, and two semicircular clamping plates 5 are embedded in the circular groove 11 and fixed to the hook pressing plate 1 through fastening bolts 51. Through setting up circular recess 11, can fix semicircle cardboard 5 more firmly, prevent that semicircle cardboard 5 from droing and misplacing to under circular recess 11 and ring groove 41's combined action, prevent lifting hook 4 more reliably and drop, guarantee the safe and reliable of hoist and mount operation.

As a specific embodiment, in the lifting hook device of the present invention, the circumferential side of the hook pressing plate 1 is provided with a countersunk screw hole 12 that radially penetrates through, the circumferential side of the tail portion of the hook stem of the hook 4 is provided with a radial locking hole 42, a locking screw 7 is installed in the countersunk screw hole 12, and the locking screw 7 is inserted into the locking hole 42. Through the arrangement of the countersunk head threaded hole 12, the stop hole 42 and the stop screw 7, the lifting hook pressure plate 1 and the lifting hook 4 can be prevented from rotating relatively, and abrasion between the two is avoided.

As a specific implementation mode, in the lifting hook device of the present invention, the self-lubricating bush 6 is a graphite-embedded self-lubricating bush, wherein graphite is embedded in the top surface of the transverse flange 61 of the self-lubricating bush 6 and the inner peripheral surface of the vertical cylinder 62. Therefore, the hook handle of the hook 4 can smoothly rotate 360 degrees in the vertical direction, so that a heavy object can be conveniently hoisted.

As a specific embodiment, in the lifting hook device of the present invention, the top surfaces of the lateral flanges 61 of the hook pressure plate 1 and the self-lubricating bush 6 are provided with a tapered surface fit, specifically, the top surfaces of the lateral flanges 61 are formed with a first inclination from the outer peripheral surface to the center, the bottom surface of the hook pressure plate 1 is correspondingly formed with a second inclination from the outer peripheral surface to the center, and the first inclination is equal to the second inclination. Through the conical surface cooperation between lifting hook clamp plate 1 and the horizontal flange 61 top surface, can realize lifting hook clamp plate 1 and self-lubricating bush 6's automatic centering, avoid 4 rotatory in-process lifting hook clamp plates of lifting hook 1 and self-lubricating bush 6 between take place the card and hinder.

Preferably, the first slope and the second slope are both set to a =10 to 20 degrees.

To sum up, compare with prior art, the utility model discloses a lifting hook device has following advantage and beneficial effect:

1. the utility model discloses a lifting hook device adopts the connected mode of lifting hook clamp plate with the semicircle cardboard, need not lifting hook and lifting hook nut screw-thread fit's mode, connection structure is simple, the equipment is convenient, easily processing, the processing cycle has been shortened, the production efficiency is improved, the production cost is reduced, and can guarantee connection structure's machining precision, simultaneously because of abandoned prior art's lifting hook device threaded connection structure, threaded connection has been avoided and has singly joined in marriage processing, the shortcoming of using pairs, can satisfy the interchangeability requirement, and processing screw thread cutter and measuring tool expense have been saved.

It is noted that, unless expressly stated or limited otherwise, the term "coupled" or its synonymous is intended to mean "coupled", as used herein, including, for example, fixedly attached or removably attached; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be a communication between two elements or an interaction relationship between two elements, and those skilled in the art can understand the specific meaning of the terms in the present invention according to the specific situation. Moreover, expressions such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations. Meanwhile, the terms "include", "include" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such process, method, article or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.

It should be further noted that the above embodiments are only used for illustrating the technical solution of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the scope of the present invention.

Claims

1. The utility model provides a lifting hook device, its characterized in that, lifting hook device includes lifting hook, lifting hook crossbeam, curb plate, lifting hook clamp plate, semicircle cardboard, self-lubricating bush, wherein, lifting hook crossbeam middle part is provided with the through-hole, the shank of lifting hook inserts in the through-hole, the curb plate fastening is in the both ends of lifting hook crossbeam, the self-lubricating bush comprises horizontal flange and vertical barrel, vertical barrel inlays the dress and is in the shank of lifting hook with between the through-hole of lifting hook crossbeam, the bottom surface laminating of horizontal flange in the surface of lifting hook crossbeam, annular structure lifting hook clamp plate cover is arranged in the shank periphery of lifting hook is installed on the top surface of horizontal flange, two semicircle cardboard block in the annular groove that lifting hook shank afterbody set up and fix through fastening bolt on the lifting hook clamp plate.

2. A lifting hook assembly as claimed in claim 1, wherein the upper portion of the hook pressure plate is provided with a circular recess in which the two semi-circular catches are received and secured to the hook pressure plate by the securing bolts.

3. The lifting hook device as claimed in claim 1, wherein the circumferential side of the hook pressure plate is provided with a countersunk threaded hole running through it in the radial direction, the circumferential side of the tail portion of the hook shank is provided with a radial stop hole, a stop screw is mounted in the countersunk threaded hole, and the stop screw is inserted into the stop hole.

4. The hook block as set forth in claim 1, wherein the self-lubricating bush is a graphite-impregnated self-lubricating bush, and wherein graphite is embedded in a top surface of the lateral flange and an inner circumferential side surface of the vertical cylinder of the self-lubricating bush.

5. Lifting hook device according to one of claims 1 to 4, characterized in that the hook pressure plate and the top surface of the transverse flange are arranged with a conical fit, wherein the top surface of the transverse flange is formed with a first slope from the peripheral side to the centre and the bottom surface of the hook pressure plate is correspondingly formed with a second slope from the peripheral side to the centre, the first slope being equal to the second slope.

6. Lifting hook device according to claim 5, characterised in that the first and second inclinations are both set at 10-20 degrees.