CN218403298U

CN218403298U - Hook weight stop gear

Info

Publication number: CN218403298U
Application number: CN202222834551.0U
Authority: CN
Inventors: 庄瑞航
Original assignee: Hangzhou Ketuo Electric Co ltd
Current assignee: Hangzhou Ketuo Electric Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-01-31
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a lifting hook weight stop gear relates to weight stop gear technical field, including first weight piece and second weight piece, still include: the weight adjusting mechanism comprises limiting rods fixedly mounted on the first heavy hammer block and the second heavy hammer block, a plurality of balancing weights are sleeved on the limiting rods, sliding rods are vertically and slidably mounted on the limiting rods, bumps are fixedly connected to the sliding rods, side plates are fixedly mounted on the bumps, and grooves and accommodating grooves which are communicated with each other are formed in the limiting rods; the connecting mechanism comprises a connecting rope fixedly arranged at the bottom end of the sliding rod; the elastic part is arranged on the bottom end of the sliding rod and the inner bottom wall of the limiting rod and further comprises a connecting ring, and a plurality of heavy hammer ropes are mounted on the connecting ring, the first heavy hammer block and the second heavy hammer block. The utility model discloses an adjust the balancing weight to the convenience is adjusted first counter weight piece and second counter weight piece weight, with the different occasion of this adaptation.

Description

Hook weight stop gear

Technical Field

The utility model relates to a weight stop gear technical field, concretely relates to lifting hook weight stop gear.

Background

The lifting appliance works in the working height range, when the lifting appliance works at the highest working position, a certain distance exists between the lifting appliance and a supporting structure above the lifting appliance, and a driver is difficult to master the specific size of the distance during working, so that a heavy hammer limit switch is often installed and is matched with a heavy hammer to limit the distance of the top end of a lifting hook, and a common lifting limit position limiter comprises a heavy hammer type limiter and a screw type limiter;

the utility model discloses a utility model patent with publication number CN209758873U, name "a crown block weight stop device", including install the limit switch in the overhead traveling crane upper end, hang the weight and connect the hook group below the overhead traveling crane through the weight lead wire in the limit switch below and through wire rope, still include the wire rope retaining device that prevents wire rope and weight lead wire winding to and install the weight layer board that sets up under the weight on the hook group through the bracing piece, the utility model discloses can prevent weight lead wire and wire rope winding, the weight hank to the hook group, guarantee the overhead traveling crane safe and reliable of operation;

when the weight limiting switch is used, because the weight loads borne by the weight limiting switch are different due to different specific models, the weights of the weight limiting switch and the existing weight parts are often integrated, so that the weights are difficult to allocate, the weights of the weight types are more, the weight limiting switch needs to be prepared in advance when being carried and transported, and the weight limiting switch needs to be replaced again if the prepared weight types are not correct.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lifting hook weight stop gear to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a lifting hook weight stop gear, includes first heavy hammer block and second heavy hammer block, still includes: the weight adjusting mechanism comprises limiting rods fixedly arranged on the first weight block and the second weight block, a plurality of balancing weights are sleeved on the limiting rods, sliding rods are vertically and slidably arranged on the limiting rods, convex blocks are fixedly connected to the sliding rods, side plates are fixedly arranged on the convex blocks, and grooves and accommodating grooves which are communicated with each other are formed in the limiting rods; the connecting mechanism comprises a connecting rope fixedly arranged at the bottom end of the sliding rod; the elastic component, the elastic component sets up the interior diapire at slide bar bottom and gag lever post.

Preferably, the heavy hammer device further comprises a connecting ring, a plurality of heavy hammer ropes are mounted on the connecting ring, the first heavy hammer block and the second heavy hammer block, the heavy hammer ropes are grouped in pairs, and a damper is fixedly mounted between the two heavy hammer ropes in the same group.

Preferably, the bottom end of the connecting rope is fixedly provided with a bottom plate.

Preferably, the elastic part is a spring, and two ends of the spring are respectively and fixedly connected with the sliding rod and the limiting rod.

Preferably, notches are formed in the bottom ends of the first weight block and the second weight block.

Preferably, the cross sections of the first weight block and the second weight block are both in an L shape, and fastening bolts are installed at the overlapped parts of the first weight block and the second weight block.

In the technical scheme, the utility model provides a lifting hook weight stop gear possesses following beneficial effect: the weight of first counter weight piece and second counter weight piece is conveniently adjusted through the balancing weight that sets up different quantity, and cooperation gag lever post, lug and curb plate can carry on spacingly to the balancing weight, conveniently uses the slide bar through coupling mechanism, through the regulation to the balancing weight to the convenience is adjusted first counter weight piece and second counter weight piece weight, with the different occasion of this adaptation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic bottom-side structural view of a first weight block according to an embodiment of the present invention;

fig. 3 is a schematic partial structural view of a first weight block provided in an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a limiting rod according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection state structure of the first weight block and the second weight block according to an embodiment of the present invention.

Description of the reference numerals:

1. a hook body; 2. a hook cord; 3. a connecting ring; 4. a weight rope; 5. a damper; 6. a connecting bolt; 71. a first weight block; 72. a second counterweight block; 73. a notch; 81. a limiting rod; 811. a groove; 812. a receiving groove; 82. a slide bar; 83. a bump; 84. a side plate; 85. connecting ropes; 86. a base plate; 87. a spring; 89. a balancing weight; 9. fastening a bolt; 10. a switch arm; 11. and a heavy hammer limit switch.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-5, a hook weight limiting mechanism according to the present invention includes a first weight block 71 and a second weight block 72, and further includes: the weight adjusting mechanism comprises a limiting rod 81 fixedly mounted on the first weight block 71 and the second weight block 72, a plurality of balancing weights 89 are sleeved on the limiting rod 81, a sliding rod 82 is vertically and slidably mounted on the limiting rod 81, a convex block 83 is fixedly connected onto the sliding rod 82, a side plate 84 is fixedly mounted on the convex block 83, and a groove 811 and an accommodating groove 812 which are communicated with each other are formed in the limiting rod 81; the connecting mechanism comprises a connecting rope 85 fixedly arranged at the bottom end of the sliding rod 82; the elastic pieces are arranged at the bottom end of the sliding rod 82 and the inner bottom wall of the limiting rod 81; when the weight of the first weight block 71 and the weight of the second weight block 72 need to be adjusted, the connecting rope 85 is pulled down, the sliding rod 82 drives the lug 83 and the side plate 84 to move downwards to the groove 811 and the accommodating groove 812, the limiting rod 81, the lug 83 and the side plate 84 are matched to form a cylinder, a gap is formed between the top end of the limiting rod 81 and the inner top wall of the first weight block 71 or the inner top wall of the second weight block 72, the counterweight 89 can be inserted into the first weight block 71 and the second weight block 72 and passes through the gap, a limiting hole is formed in the counterweight 89, the size of the limiting hole is matched with the outer diameter size of the limiting rod 81 until the counterweight 89 is completely inserted into the first weight block 71 and the second weight block 72, the limiting hole is aligned with the limiting rod 81, then the counterweight 89 is loosened, the counterweight 89 moves downwards along the limiting rod 81 and is limited by the limiting rod 81, after a proper number of connecting ropes 89 are installed, the connecting rope 85 is loosened, the sliding rod 82 pushes the limiting rod 84 upwards to block the side plate 84, and the side plate 84 is pushed to be blocked by the limiting rod 84.

Specifically, the device also comprises a connecting ring 3, wherein a plurality of heavy hammer ropes 4 are respectively arranged on the connecting ring 3, the first heavy hammer block 71 and the second heavy hammer block 72, every two heavy hammer ropes 4 form a group, and a damper 5 is fixedly arranged between two heavy hammer ropes 4 in the same group; two weight ropes 4 are arranged on a first weight block 71, a weight rope 4 is arranged on a second weight block 72, a plurality of weight ropes 4 are circumferentially distributed on the circumference of a connecting ring 3, at the moment, a hook rope 2 penetrates through the connecting ring 3 and the first weight block 71 and the second weight block 72, when the hook body 1 is lifted, the hook body 1 drives the first weight block 71 and the second weight block 72 to move upwards, each weight rope 4 is arranged on the periphery of the hook rope 2 in a divergent mode so as to avoid being wound together with the hook rope 2, after the hook body 1 moves downwards through a damper 5, the first weight block 71 and the second weight block 72 move downwards, a weight limit switch 11 is further arranged, a switch arm 10 is arranged on the weight limit switch 11, the connecting ring 3 is fixedly arranged on the switch arm 10, the hook rope 2 penetrates through the switch arm 10, when the first weight block 71 and the second weight block 72 are driven to move upwards, the downwards pulled down force on the switch arm 10 is changed, at the moment, the weight limit switch 11 senses the weight, a sensor arranged in the weight limit switch 11, and then the weight rope is connected with the weight rope 4 through the second weight block 71 and the second weight block 72, and the hook rope is connected with the second weight block 6 in advance through the weight limit switch.

Specifically, a bottom plate 86 is fixedly installed at the bottom end of the connecting rope 85; access to the connecting cords 85 is facilitated by the bottom plate 86.

Specifically, the elastic member is a spring 87, and two ends of the spring 87 are respectively fixedly connected with the sliding rod 82 and the limiting rod 81; when the sliding rod 82 moves towards the inside of the limiting rod 81, the spring 87 will be compressed until the connecting rope 85 is not pulled any more, and at this time, the spring 87 will restore the elastic force to push the sliding rod 82 to reset.

Specifically, notches 73 are formed at the bottom ends of the first counterweight block 71 and the second counterweight block 72; when the slide rod 82 is pushed by the elastic member to move up, the bottom plate 86 is pulled to the inside of the first weight block 71 or the second weight block 72, and the bottom plate 86 is conveniently taken out through the notch 73.

Specifically, the cross sections of the first weight block 71 and the second weight block 72 are both in an L shape, and the overlapping part of the first weight block 71 and the second weight block 72 is provided with a fastening bolt 9; the first weight block 71 and the second weight block 72 can be combined through an L-shaped structure, after the overlapped parts of the first weight block 71 and the second weight block 72 are fastened and installed through the fastening bolts 9, the first weight block 71 and the second weight block 72 are combined into a circular ring shape, so that the hook rope 2 can conveniently penetrate through the circular ring, and the first weight block 71 and the second weight block 72 are firm and firm in an L-shaped assembling mode and convenient to disassemble, move, transport and install.

It should be noted that the electric devices referred to in this application may be powered by a storage battery or an external power source.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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

Claims

1. A hook weight limiting mechanism is characterized by comprising a first weight block (71) and a second weight block (72), and further comprising:

the weight adjusting mechanism comprises a limiting rod (81) fixedly mounted on a first weight block (71) and a second weight block (72), a plurality of balancing weights (89) are sleeved on the limiting rod (81), a sliding rod (82) is vertically and slidably mounted on the limiting rod (81), a convex block (83) is fixedly connected on the sliding rod (82), a side plate (84) is fixedly mounted on the convex block (83), and a groove (811) and an accommodating groove (812) which are communicated with each other are formed in the limiting rod (81);

the connecting mechanism comprises a connecting rope (85) fixedly arranged at the bottom end of the sliding rod (82);

and the elastic piece is arranged at the bottom end of the sliding rod (82) and the inner bottom wall of the limiting rod (81).

2. A hook weight limiting mechanism as claimed in claim 1, further comprising a connecting ring (3), wherein a plurality of weight ropes (4) are mounted on the connecting ring (3), the first weight block (71) and the second weight block (72), two of the weight ropes (4) are in a group, and a damper (5) is fixedly mounted between two weight ropes (4) in the same group.

3. A weight hook stop according to claim 2, wherein the bottom end of the connecting rope (85) is fixedly attached to the bottom plate (86).

4. A hook weight limiting mechanism as claimed in claim 3, wherein the resilient member is a spring (87), and both ends of the spring (87) are respectively fixed to the sliding rod (82) and the limiting rod (81).

5. A hook weight limiting mechanism as claimed in claim 4, wherein the bottom ends of the first weight block (71) and the second weight block (72) are provided with notches (73).

6. A hook weight limiting mechanism as claimed in claim 5, wherein the first weight block (71) and the second weight block (72) are L-shaped in cross section, and the overlapping part of the first weight block (71) and the second weight block (72) is provided with a fastening bolt (9).