CN216638653U

CN216638653U - Self-locking unhooking prevention device and lifting hook

Info

Publication number: CN216638653U
Application number: CN202220022944.9U
Authority: CN
Inventors: 彭建云; 汤浩; 李成
Original assignee: Jiangsu Soviet Peak Industry Co ltd
Current assignee: Jiangsu Soviet Peak Industry Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-05-31
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to a self-locking unhooking prevention device and a lifting hook, comprising a hoop, an unhooking prevention baffle and a counterweight ring, wherein the hoop comprises at least one opening, one end of the unhooking prevention baffle is provided with a first positioning cushion block rotationally connected with the opening, the other end of the unhooking prevention baffle is provided with an arc groove, the counterweight ring is positioned below the hoop, one end of the counterweight ring is connected with the unhooking prevention baffle, the other end of the counterweight ring is provided with a counterweight rod, the lifting hook comprises a hook body and the self-locking unhooking prevention device, the hoop is sleeved at the neck part of the hook body, the counterweight ring is sleeved at the outer part of the hook body, a spring is arranged between a support of the hook body and the unhooking prevention baffle, the automatic rotation of the unhooking prevention baffle and the matching and self-locking of the hook body are realized through the gravity action or the double action of the gravity action of the counterweight ring and the tension of the spring, the gravity center action is stable, the impact deformation of the unhooking prevention baffle and the hook body is reduced through the matching of the counterweight ring and the outer wall of the hook body, the stability and the service life are improved, the safety is high, the simple operation, low cost, convenient manufacture and the effectual lifting hook lifting rope unhook phenomenon of having avoided.

Description

Self-locking unhooking prevention device and lifting hook

Technical Field

The utility model belongs to the technical field of safety accessories of hoisting equipment, and particularly relates to a self-locking unhooking prevention device and a lifting hook.

Background

The lifting hook is a common lifting appliance in lifting equipment, is often hung on a steel wire rope of a lifting mechanism by means of a pulley block and other parts, and is often hung on a rope or separated from a hook head due to rope bouncing during lifting and hanging and object stopping on the ground in the actual use process, so that safety accidents are caused, and therefore the lifting hook needs to be additionally provided with an anti-unhooking device. The mousing-hook device among the prior art adopts pneumatics, the structure that hydraulic drive device drove the mousing-hook fastener and removed, there is the device structure complicacy, consume energy, make and the defect that use cost is high, the practicality is relatively poor, and the mousing-hook device who adopts the counter weight structure includes the anticreep fastener articulated with the lifting hook, the setting is at the balancing weight of mousing-hook fastener both sides, make the mousing-hook fastener rotate and the locking of lifting hook cooperation around the articulated position with the lifting hook under balancing weight gravity, because balancing weight dead weight of both sides and mounted position difference lead to the mousing-hook fastener focus shakiness, influence mousing-hook fastener mobility stability and life-span, the while mousing-hook is reduced gravity action and is great with the nearly closed inertia impact force of lifting hook when closing, easily arouse mousing-hook fastener deformation damage influence mousing-hook performance and life-span.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model provides the self-locking unhooking prevention device and the lifting hook, which realize the automatic rotation of the anti-tripping baffle and the matching self-locking of the hook body under the gravity action of the counterweight ring and the counterweight rod or the dual action of the counterweight ring and the tension of the spring, improve the stability and prolong the service life, and have the advantages of high safety, convenient operation, low cost, convenient manufacture and effective avoidance of the unhooking phenomenon of a lifting rope of the lifting hook.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

the utility model provides a auto-lock mousing-hook device, includes staple bolt, anticreep baffle and counter weight ring, the staple bolt includes at least one opening, anticreep baffle one end is equipped with rotates first locating cushion, the anticreep baffle other end of being connected with an opening part and is equipped with the circular arc groove, the counter weight ring is located the staple bolt below, and counter weight ring one end anticreep baffle links to each other, the counter weight ring other end is equipped with the weight stack.

Above-mentioned auto-lock mousing-hook device, preferably, be equipped with first through-hole on the first locating cushion, be equipped with the first bolt that the tip passed first through-hole on the staple bolt, be equipped with first nut on the first bolt.

Above-mentioned auto-lock mousing-hook device, preferably, the staple bolt is C shape structure or the staple bolt is including two hoop spare of symmetry, and two hoop spare one end are rotated with first location cushion and are connected, are equipped with second location cushion between two hoop spare other ends, be equipped with the second through-hole on the second location cushion, be equipped with the second bolt that the tip passed the second through-hole on the hoop spare, be equipped with the second nut on the second bolt.

Above-mentioned auto-lock mousing-hook device, preferably, the counter weight ring includes segmental arc and side section, the segmental arc links to each other with the counter weight pole, side section opposite direction is located two sides of segmental arc, side section one end links to each other with the anticreep baffle lateral wall, the side section other end links to each other with the segmental arc, the side section is arc structure or multistage folding rod structure.

Above-mentioned auto-lock mousing-hook device, preferably, the counter weight pole includes the branch that links to each other with the counter weight ring, overlaps the counter weight cover that establishes in the branch outside and link to each other with branch.

The utility model provides a lifting hook, includes the coupler body and as above auto-lock mousing-hook device, the coupler body neck is located to the staple bolt cover, the inboard spacing cooperation in circular arc groove and coupler body end, the counter weight ring cover is located the coupler body outside, and the counter weight ring inner wall that is close to the weight lever cooperates with the coupler body outer wall.

Above-mentioned lifting hook, preferably, be equipped with at least one support that is located the staple bolt top on the coupler body, be equipped with the extension board on the anticreep baffle outer wall, be equipped with the spring between extension board and the support, all be equipped with the third through-hole of being connected with the spring cooperation on extension board and the support.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the staple bolt is C shape structure or two hoop spare including the symmetry, with coupler body demountable assembly, through rotate the first location cushion assembly anticreep baffle of being connected with an opening part, form the leverage to the anticreep baffle under the action of gravity of counter weight ring sum counter weight pole, the rotation of anticreep baffle realizes auto-lock under the natural state with the coupler body cooperation, prevent the lifting rope unhook, the focus effect is stable, the circular arc groove keeps with the coupler body end inboard spacing cooperation with the coupler body centering, simultaneously through the cooperation of counter weight ring sum coupler body outer wall, reduce the impact deformation of anticreep baffle and coupler body, stability and life have been improved.

(2) Through the spring between extension board and the support, make the anticreep baffle under spring tension, counter weight ring and counter weight pole gravity dual function, guarantee with coupler body auto-lock mousing-hook reliable, open the cooperation of anticreep baffle and coupler body through promoting the anticreep baffle, take out the lifting rope.

In conclusion, the lifting hook has the advantages of high safety, convenience in operation, low cost, convenience in manufacturing, capability of effectively avoiding the unhooking phenomenon of the lifting rope of the lifting hook and good market application prospect.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

FIG. 2 is a top view structural view of embodiment 1 of the present invention;

FIG. 3 is a side view structural view of embodiment 1 of the present invention;

FIG. 4 is a structural view of a second positioning mat according to embodiment 1 of the present invention;

FIG. 5 is a structural view of embodiment 2 of the present invention;

FIG. 6 is a front view structural view of embodiment 3 of the present invention;

FIG. 7 is a top view structural view of embodiment 3 of the present invention;

FIG. 8 is a side view structural view of embodiment 3 of the present invention;

FIG. 9 is a structural view of embodiment 4 of the present invention;

FIG. 10 is a structural view of embodiment 5 of the present invention;

fig. 11 is a side view structural view of the self-locking unhooking prevention device according to embodiment 5 of the present invention.

In the figure: staple bolt 1, anticreep baffle 2 and counter weight ring 3, opening 4, first location cushion 5, circular arc groove 6, counterweight rod 7, first through-hole 8, first bolt 9, first nut 10, hoop 11, second location cushion 12, second through-hole 13, second bolt 14, second nut 15, branch 71, counter weight cover 72, support 16, extension board 17, spring 18, third through-hole 19, coupler body 20, segmental arc 31 and side section 32.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1:

as shown in fig. 1-4, a preferred embodiment of the self-locking anti-unhooking device of the present invention includes an anchor ear 1, an anti-drop baffle 2 and a counterweight ring 3, where the anchor ear 1 includes at least one opening 4, one end of the anti-drop baffle 2 is provided with a first positioning cushion block 5 rotatably connected to one opening 4, the other end of the anti-drop baffle 2 is provided with an arc groove 6, the counterweight ring 3 is located below the anchor ear 1, one end of the counterweight ring 3 is connected to the anti-drop baffle 2, and the other end of the counterweight ring 3 is provided with a counterweight rod 7.

In the self-locking unhooking prevention device, preferably, the first positioning cushion block 5 is provided with a first through hole 8, the anchor ear 1 is provided with a first bolt 9, an end of the first bolt passes through the first through hole 8, the first bolt 9 is provided with a first nut 10, the anchor ear 1 comprises two symmetrical hoop members 11, the hoop members 11 are in an omega-shaped structure, and two openings 4 of the anchor ear 1 are formed between two ends of the two hoop members 11;

one end of each hoop member 11 is rotatably connected with the first positioning cushion block 5, a second positioning cushion block 12 is arranged between the other ends of the two hoop members 11, a second through hole 13 is formed in the second positioning cushion block 12, a second bolt 14 with the end penetrating through the second through hole 13 is arranged on each hoop member 11, and a second nut 15 is arranged on each second bolt 14;

the first positioning cushion block 5 is welded with the anti-drop baffle 2, the first positioning cushion block 5 is arranged between one side of the two hoop parts 11, sequentially penetrates through one hoop part 11, the first through hole 8 and the other hoop part 11 through the end part of a first bolt 9 and is connected and prevented from being loose through the thread matching of a first nut 10, the rotary connection of the first positioning cushion block 5 at the opening 4 of the hoop 1 is realized, and the assembly of the anti-drop baffle 2 is realized; the second positioning cushion block 12 is arranged between the other sides of the two hoop members 11, the end part of the second bolt 14 sequentially penetrates through one hoop member 11, the second through hole 13 and the other hoop member 11 and is connected and prevented from loosening through the thread matching of the second nut 15, the connection of the second positioning cushion block 12 at the other opening 4 of the hoop 1 is realized, and the integral connection of the hoop 1 is realized.

In the self-locking anti-unhooking device, preferably, the counterweight ring 3 includes an arc section 31 and a side section 32, the arc section 31 is connected to the counterweight rod 7, the side section 32 is oppositely located on two sides of the arc section 31, one end of the side section 32 is connected to the side wall of the anti-drop baffle 2, the other end of the side section 32 is connected to the arc section 31, and the side section 32 is in an arc structure, so that the inner wall of the arc section 31 of the counterweight ring 3 close to the counterweight rod 7 is matched with the outer wall of the hook body 20.

Above-mentioned auto-lock mousing-hook device, preferably, weight lever 7 includes branch 71 that links to each other with the welding of counter weight ring 3, overlaps and establishes the counter weight cover 72 that the branch 71 is outside and link to each other with branch 71, sets up branch 71 and counter weight ring 3, counter weight ring 3 and anti-disengaging baffle 2's welded connection angle, counter weight cover 72 and can dismantle with branch 71 through screw-thread fit and be connected according to the counter weight demand to change counter weight.

Example 2:

as shown in fig. 2, in a preferred embodiment of the present invention, the hook includes a hook body 20 and the self-locking anti-unhooking device as described in embodiment 1, the anchor ear 1 is sleeved on the neck portion of the hook body 20, the circular arc groove 6 is in limit fit with the inner side of the end of the hook body 20, the counterweight ring 3 is sleeved on the outer portion of the hook body 20, and the inner wall of the counterweight ring 3 near the counterweight rod 7 is in fit with the outer wall of the hook body 20.

During the assembly, through setting up two hoop 11 correspondences in coupler body 20 neck both sides and with second bolt 14 assembly staple bolt 1 one side, locate coupler body 20 outside, with the first locating cushion 5 of anticreep baffle 2 with first bolt 9 rotation connection in staple bolt 1 opposite side realization whole assembly with counterweight ring 3 cover.

The working principle is as follows: under the natural state, form the leverage to anticreep baffle 2 under the action of gravity of counter weight ring 3 and counter weight 7, anticreep baffle 2 rotates around first bolt 9, circular arc groove 6 and coupler body 20 end inboard spacing cooperation, the cooperation of 3 inner walls of counter weight ring and coupler body 20 outer wall near counter weight 7, promote anticreep baffle 2 when hanging the lifting rope in coupler body 20 around first bolt 9 antiport, open the cooperation of anticreep baffle 2 and coupler body 20, to the lifting rope hangs in coupler body 20, anticreep baffle 2 returns to the natural state under the action of gravity and realizes the auto-lock, prevent the lifting rope unhook, open the cooperation of anticreep baffle 2 and coupler body 20 through promoting anticreep baffle 2, anticreep baffle 2 is free rotation and abdicating with the lifting rope in coupler body 20 opening range, so that take out the lifting rope.

Through the automatic auto-lock of action of gravity, the security is high, the simple operation, low cost, the preparation is convenient, the assembly is convenient fast and because anticreep baffle 2 and counterweight rod 7 are located counterweight ring 3 both ends, make the focus effect stable, circular arc groove 6 keeps with the inboard spacing cooperation in coupler body 20 end with the coupler body 20 centering, when the cooperation through counterweight ring 3 and coupler body 20 outer wall makes anticreep baffle 2 reply to natural state simultaneously, reduce the impact of anticreep baffle 2 and coupler body 20, avoid 2 impact deformation of anticreep baffle, thereby improve the stability of auto-lock mousing-hook and life.

Example 3:

as shown in fig. 6-8, another preferred embodiment of the self-locking unhooking prevention device of the present invention is different from embodiment 1 in that the hoop 1 is a C-shaped structure, and the side sections 32 are multi-section folding rod structures.

Example 4:

as shown in fig. 9, in another preferred embodiment of the present invention, the lifting hook includes a hook body 20 and the self-locking unhooking prevention device according to embodiment 3, the anchor ear 1 is sleeved on the neck portion of the hook body 20, the circular arc groove 6 is in limit fit with the inner side of the end of the hook body 20, the counterweight ring 3 is sleeved on the outer portion of the hook body 20, and the inner wall of the counterweight ring 3 near the counterweight rod 7 is in fit with the outer wall of the hook body 20.

During the assembly, establish staple bolt 1 through the cover or the card goes into coupler body 20 neck, locate coupler body 20 outsidely with the counterweight ring 3 cover, rotate first locating cushion block 5 with first bolt 9 of anticreep baffle 2 and connect and realize whole assembly at staple bolt 1 opposite side, because side section 32 is the multistage folding rod structure, adaptation and the great coupler body 20 assembly of diameter, so that with the arc section 31 of counterweight ring 3, the partial inner wall of side section 32 and the cooperation of coupler body 20 outer wall, with embodiment 1 through the automatic auto-lock of action of gravity with the same reason.

Example 5:

as shown in fig. 9, in another preferred embodiment of the present invention, the lifting hook includes a hook body 20 and a self-locking anti-unhooking device, and the self-locking anti-unhooking device is different from embodiment 1 in that the side section 32 is a multi-section folding rod structure, the hoop 1 is sleeved on the neck portion of the hook body 20, the circular arc groove 6 is in limit fit with the inner side of the end of the hook body 20, the counterweight ring 3 is sleeved on the outer portion of the hook body 20, and the inner wall of the counterweight ring 3 near the counterweight rod 7 is in fit with the outer wall of the hook body 20.

In the lifting hook, preferably, the hook body 20 is provided with at least one support 16 located above the hoop 1, the outer wall of the anti-falling baffle 2 is provided with a support plate 17, a spring 18 is arranged between the support plate 17 and the support 16, and the support plate 17 and the support 16 are both provided with third through holes 19 connected with the spring 18 in a matching manner. During assembly, the self-locking anti-unhooking device is assembled on the hook body 20, one end of the spring 18 is hooked on the third through hole 19 of the support plate 17, the other end of the spring 18 is hooked on the third through hole 19 of the support 16, the support 16 is connected with the structure in a welding mode, and the number of the supports 16 and the number of the springs 18 corresponding to the supports 16 are set according to the requirement of the tensile force of the spring 18.

The working principle is as follows: under the natural state, the anti-drop baffle 2 forms a lever effect under the gravity action of the counterweight ring 3 and the counterweight rod 7, under the tension action of the spring 18, the anti-drop baffle 2 rotates around the first bolt 9, the arc groove 6 is in limit fit with the inner side of the end of the hook body 20, the inner wall of the counterweight ring 3 close to the counterweight rod 7 is matched with the outer wall of the hook body 20, when a lifting rope is hung on the hook body 20, the anti-drop baffle 2 is pushed to rotate reversely around the first bolt 9, the matching of the anti-drop baffle 2 and the hook body 20 is opened, the spring 18 is pulled up, the lifting rope is hung in the hook body 20, the anti-drop baffle 2 returns to the natural state under the gravity action and the tension of the spring 18 to realize self-locking and prevent the lifting rope from being unhooked, and therefore the self-locking reliability is guaranteed through the dual actions of the gravity and the tension of the spring 18; the anti-falling baffle 2 is pushed to open the matching of the anti-falling baffle 2 and the hook body 20, and the anti-falling baffle 2 freely rotates in the opening range of the hook body 20 and abdicates with the lifting rope so as to take out the lifting rope.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a auto-lock mousing-hook device, its characterized in that, includes staple bolt (1), anticreep baffle (2) and counter weight ring (3), staple bolt (1) includes at least one opening (4), anticreep baffle (2) one end is equipped with and locates to rotate first locating cushion (5), anticreep baffle (2) other end of being connected with one opening (4) and is equipped with circular arc groove (6), counter weight ring (3) are located staple bolt (1) below, and counter weight ring (3) one end anticreep baffle (2) link to each other, and the counter weight ring (3) other end is equipped with counterweight rod (7).

2. The self-locking unhooking prevention device of claim 1, wherein the first positioning cushion block (5) is provided with a first through hole (8), the anchor ear (1) is provided with a first bolt (9) with an end portion penetrating through the first through hole (8), and the first bolt (9) is provided with a first nut (10).

3. The self-locking unhooking prevention device of claim 2, wherein the hoop (1) is of a C-shaped structure.

4. The self-locking unhooking prevention device is characterized in that the hoop (1) comprises two symmetrical hoop members (11), one ends of the two hoop members (11) are rotatably connected with the first positioning cushion block (5), a second positioning cushion block (12) is arranged between the other ends of the two hoop members (11), a second through hole (13) is formed in the second positioning cushion block (12), a second bolt (14) with the end penetrating through the second through hole (13) is arranged on the hoop member (11), and a second nut (15) is arranged on the second bolt (14).

5. The self-locking unhooking prevention device of claim 1, wherein the counterweight ring (3) comprises an arc-shaped section (31) and side sections (32), the arc-shaped section (31) is connected with the counterweight rod (7), the side sections (32) are oppositely arranged on two sides of the arc-shaped section (31), one end of each side section (32) is connected with the side wall of the anti-tripping baffle (2), the other end of each side section (32) is connected with the arc-shaped section (31), and each side section (32) is of an arc-shaped structure or a multi-section folding rod structure.

6. The self-locking unhooking prevention device of claim 1, wherein the weight rod (7) comprises a support rod (71) connected with the weight ring (3), and a weight sleeve (72) sleeved outside the support rod (71) and connected with the support rod (71).

7. A lifting hook is characterized by comprising a hook body (20) and the self-locking unhooking prevention device according to any one of claims 1 to 6, wherein the hoop (1) is sleeved on the neck of the hook body (20), the circular arc groove (6) is in limit fit with the inner side of the end of the hook body (20), the counterweight ring (3) is sleeved on the outer portion of the hook body (20), and the inner wall of the counterweight ring (3) close to the counterweight rod (7) is matched with the outer wall of the hook body (20).

8. A lifting hook as claimed in claim 7, characterized in that the hook body (20) is provided with at least one support (16) above the anchor ear (1), the outer wall of the anti-drop baffle (2) is provided with a support plate (17), and a spring (18) is arranged between the support plate (17) and the support (16).

9. A lifting hook as claimed in claim 8, characterized in that the plate (17) and the seat (16) are provided with third through-holes (19) for the engagement of the spring (18).