CN220926979U - Anti-falling device for small box clamp of multifunctional crown block - Google Patents

Abstract

The utility model relates to the technical field of aluminum electrolysis, and discloses a multifunctional trolley small box clamp anti-falling device which comprises a head screwing part clamp plate, wherein connecting seats are fixedly connected to the positions, close to the front end and the rear end, of the two inner side walls of the head screwing part clamp plate, and the outer sides of the four connecting seats are connected with clamping devices through connecting bolts. According to the utility model, the first anti-drop arc plates are additionally hung on two sides of the clamping plate part of the screwing head part, when the screwing head mechanism descends to the anode, the first arc plates made of stainless steel are guided by the half arcs welded on the first arc plates, so that the stainless steel plates are automatically opened towards two sides, when the small box clamp is loosened and ascended, the small box clamp is reset to the lower side of the pin of the small box clamp through the extension springs additionally arranged in the middle of the second arc plates made of stainless steel on two sides, and the small box clamp is lifted.

Description

Anti-falling device for small box clamp of multifunctional crown block

Technical Field

The utility model relates to the technical field of aluminum electrolysis, in particular to a falling prevention device for a multifunctional crown block small box clamp.

Background

The multifunctional unit plays an important role in the whole mechanization and intellectualization of the industry in the electrolytic aluminum industry, and the anode mechanism is a main tool of the multifunctional unit for aluminum electrolysis, and has the main functions of lifting and installing a new anode carbon block at a designated position on the electrolytic tank from the old anode carbon block to be transported to the designated position on the electrolytic tank and screwing or unscrewing a small box clamp for fixing an anode guide rod on the electrolytic tank.

After long-term use, the existing wrench mechanism may cause the overall falling risk (about 5 meters from the ground in normal operation) of the small box clamp (with larger weight and 30 kg) due to wear and deformation of the screwing head, so that the existing wrench mechanism has continuously generated various hidden dangers in recent industry and has caused the injury of the astronaut, and the technical force of team organization aiming at unsafe conditions of the existing wrench mechanism attacks the hidden dangers, therefore, the technical staff in the field provides a multifunctional anti-falling device for the small box clamp of the crown block, so as to solve the problems in the background art.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a multifunctional anti-falling device for a small box clamp of an overhead crane, which is characterized in that anti-falling first arc plates are hung on two sides of a clamping plate part of a screwing head part, when the screwing head mechanism descends to an anode, the stainless steel plates are automatically opened towards two sides under the guiding action of a half arc plate welded on the stainless steel first arc plates, and when the small box clamp is loosened and lifted, the small box clamp is reset to the lower side of a small box clamp shaft pin through a tension spring additionally arranged in the middle of a stainless steel second arc plate on two sides, so that the small box clamp is lifted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-falling device of the multifunctional crown block small box clamp comprises a head screwing part clamping plate, wherein connecting seats are fixedly connected to the positions, close to the front end and the rear end, of the two inner side walls of the head screwing part clamping plate, and the outer sides of the four connecting seats are connected with clamping devices through connecting bolts;

Through above-mentioned technical scheme, lift the mechanism of twisting the head through chucking device, when preventing that capsule fixture from dropping, can not influence normal use.

Further, the clamping device comprises four first arc plates, two fixing screws, two connecting rods, two connecting pipes, two second arc plates and four electrode lugs, the four electrode lugs are respectively connected onto the front end surfaces of the two connecting seats at the front position and the rear end surfaces of the two connecting seats at the rear position in a rotating mode, the four first arc plates are respectively fixedly connected onto the lower end surfaces of the four electrode lugs, the two second arc plates are respectively arranged between the two first arc plates at the lower position near one side and the two first arc plates at the lower position near the other side, the two connecting pipes are respectively arranged at the upper end surfaces of the two second arc plates at the upper position near one side, the rear ends of the two connecting rods are respectively connected onto the front positions inside the two connecting pipes in a threaded mode, and the two fixing screws are respectively arranged at the centers of the front end surfaces of the two connecting rods;

Through the technical scheme, when the screwing mechanism descends to the anode, the first arc-shaped plate made of stainless steel is guided through the half arc welded on the first arc-shaped plate, so that the first arc-shaped plate made of stainless steel is automatically opened towards two sides.

Further, a spring is arranged between the two fixing screws, two ends of the spring are fixedly connected with hooks, and the two hooks are respectively hung on the outer sides of the two fixing screws;

Through above-mentioned technical scheme, conveniently pull two set screws through the pulling force of spring, with two second arc to central point pulling.

Further, bases are fixedly connected to the positions, close to the front end and the rear end, of one side wall of the first arc-shaped plate, of the upper parts, and limit rods are arranged at the centers of the rear end faces of the two bases, close to the front end, and the centers of the front end faces of the two bases, close to the rear end;

Through above-mentioned technical scheme, carry out spacingly through the gag lever post.

Further, the limiting rod comprises a rod body and a buffer layer, and the buffer layer is fixedly connected to the outer side of the rod body through a screw;

Through the technical scheme, the noise generated during contact can be reduced while buffering is performed.

Further, the four electrode lugs, the four first arc plates and the two second arc plates are all made of stainless steel;

through the technical scheme, the hardness and the strength of the stainless steel are high enough, and the service life is prolonged.

The utility model has the following beneficial effects:

1. According to the anti-falling device for the multifunctional crown block small box clamp, the anti-falling first arc plates are hung on two sides of the head twisting part clamping plate part, when the head twisting mechanism descends to the anode, the stainless steel plate is automatically opened towards two sides by guiding the half arc welded on the first arc plates made of stainless steel, and when the small box clamp is loosened and ascended, the small box clamp is reset to the lower side of the small box clamp shaft pin by the extension springs additionally arranged in the middle of the stainless steel second arc plates on two sides, so that the small box clamp is lifted.

2. According to the utility model, the first arc-shaped plates and the second arc-shaped plates on two sides are limited by the four limiting rods, and meanwhile, the impact force generated between the rod body and the screwing part clamping plate is relieved by the buffer layer, so that the noise can be relieved while damage caused by overlarge force is prevented.

3. According to the utility model, the device adopts pure mechanical automation operation, no electric, hydraulic and air pressure operation, has the advantages of simple structure, convenient maintenance, convenient use and easy popularization, and can be replaced by taking down the spring through the two hooks when the spring is used for a long time to relax due to the fact that the hooks are arranged at the two ends of the spring.

Drawings

FIG. 1 is a perspective view of a fall protection device for a multifunctional crown block small box clamp according to the present utility model;

FIG. 2 is a front view of the anti-falling device of the multifunctional crown block small box clamp according to the utility model;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

FIG. 4 is an enlarged schematic view at B in FIG. 1;

fig. 5 is an enlarged schematic view at C in fig. 2.

Legend description:

1. Screwing the head piece clamping plate; 2. a connecting seat; 3. a clamping device; 301. a first arcuate plate; 302. a fixing screw; 303. a spring; 304. a connecting rod; 305. a connecting pipe; 306. a second arcuate plate; 307. a tab; 308. a base; 309. a limit rod; 3091. a shaft; 3092. a buffer layer; 310. a hook.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a multi-functional crown block small box fixture anti-falling device, is including twisting head spare cardboard 1, twists the equal fixedly connected with connecting seat 2 of both ends department around two inside walls of head spare cardboard 1 are close to, and four connecting seat 2 outsides are connected with chucking device 3 through connecting bolt, lifts twisting head mechanism through chucking device 3, when preventing that small box fixture from dropping, can not influence normal use.

The clamping device 3 comprises four first arc plates 301, two fixing screws 302, two connecting rods 304, two connecting pipes 305, two second arc plates 306 and four electrode lugs 307, the four electrode lugs 307 are respectively connected to the front end face of the two connecting seats 2 at the front position and the rear end face of the two connecting seats 2 at the rear position in a rotating mode, the four first arc plates 301 are respectively fixedly connected to the lower end faces of the four electrode lugs 307, the two second arc plates 306 are respectively arranged between the two first arc plates 301 at the lower position near one side and the two first arc plates 301 at the lower position near the other side, the two connecting pipes 305 are respectively arranged at the upper end faces near one side of the two second arc plates 306, the rear ends of the two connecting rods 304 are respectively connected to the front positions inside the two connecting pipes 305 in a threaded mode, the two fixing screws 302 are respectively arranged at the center of the front end faces of the two connecting rods 304, and when the screwing mechanism descends to the anode, the first arc plates 301 are made of stainless steel materials and are automatically opened at the two sides of the first arc plates 301.

A spring 303 is arranged between the two fixing screws 302, two ends of the spring 303 are fixedly connected with hooks 310, the two hooks 310 are respectively hung outside the two fixing screws 302, and the two fixing screws 302 are conveniently pulled by the pulling force of the spring 303, so that the two second arc-shaped plates 306 are pulled to the center position.

The two first arc 301 both ends department is leaned on and is all fixedly connected with base 308 around the both ends department, the center department of the terminal surface all is equipped with gag lever post 309 near the center department of the terminal surface behind two base 308 of preceding department and two base 308 of back department, it is spacing through gag lever post 309, gag lever post 309 includes shaft 3091 and buffer layer 3092, buffer layer 3092 passes through screw fixed connection in the shaft 3091 outside, can cushion the while, noise that produces when reducing the contact, four lugs 307, four first arc 301 and two second arc 306's material are stainless steel, stainless steel's hardness and intensity are high enough, increase life.

Working principle: through adding the anticreep first arc 301 of hanging in the head part cardboard 1 part both sides of twisting, when twisting head mechanism descends to positive pole department, lead through the welded half arc on the first arc 301 of stainless steel material, make the corrosion resistant plate open towards both sides automatically, when the capsule fixture loosens and rises, the extension spring 303 that installs additional in the middle of the second arc 306 of both sides again resets its capsule fixture pivot downside, lift the effect to the capsule fixture, carry out spacingly through four gag lever post 309 to the first arc 301 and the second arc 306 of both sides, simultaneously alleviate the impact force that produces between shaft 3091 and the head part cardboard 1 of twisting through buffer 3092, noise can also be alleviateed when preventing that the dynamics is too big to lead to damaging, the device adopts pure mechanical automation operation, no electricity, hydraulic pressure and air pressure operation, and simple structure, it is convenient to maintain, it is convenient to use, it is equipped with couple 310 to use through spring 303 both ends, also can change spring 303 through two couple 310 when using spring 303 to relax for a long time, the cost is saved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a multi-functional crown block capsule fixture anti-falling device, includes to twist head spare cardboard (1), its characterized in that: the screwing head part clamping plates (1) are fixedly connected with connecting seats (2) at the front end and the rear end of the two inner side walls close to the upper part, and clamping devices (3) are connected to the outer sides of the four connecting seats (2) through connecting bolts.

2. The multi-functional crown block small box clamp fall protection device of claim 1, wherein: the clamping device (3) comprises four first arc plates (301), two fixing screws (302), two connecting rods (304), two connecting pipes (305), two second arc plates (306) and four lugs (307), wherein the four lugs (307) are respectively connected onto the front end surfaces of the two connecting seats (2) at the front and the rear end surfaces of the two connecting seats (2) at the rear in a rotating mode, the four first arc plates (301) are respectively fixedly connected onto the lower end surfaces of the four lugs (307), the two second arc plates (306) are respectively arranged between the two first arc plates (301) at one side and between the two first arc plates (301) at the other side, the two connecting pipes (305) are respectively arranged at the upper end surfaces of the two second arc plates (306) at one side, the rear ends of the two connecting rods (304) are respectively connected onto the front inner parts of the two connecting pipes (305) in a threaded mode, and the two fixing screws (302) are respectively arranged at the front centers of the two connecting rods (302).

3. The multi-functional crown block capsule fixture fall protection device of claim 2, wherein: a spring (303) is arranged between the two fixing screws (302), two ends of the spring (303) are fixedly connected with hooks (310), and the two hooks (310) are respectively hung on the outer sides of the two fixing screws (302).

4. The multi-functional crown block capsule fixture fall protection device of claim 2, wherein: the two first arc plates (301) are fixedly connected with bases (308) at the positions, close to the upper positions, of the front end face center of each base (308) and the front end face center of each base (308) close to the rear end face center of each base are provided with limiting rods (309).

5. The multi-functional crown block small box clamp fall protection device of claim 4, wherein: the limiting rod (309) comprises a rod body (3091) and a buffer layer (3092), and the buffer layer (3092) is fixedly connected to the outer side of the rod body (3091) through screws.

6. The multi-functional crown block capsule fixture fall protection device of claim 2, wherein: the four electrode lugs (307), the four first arc-shaped plates (301) and the two second arc-shaped plates (306) are all made of stainless steel.