CN209873136U - Bell jar lifting appliance equipment - Google Patents

Abstract

The utility model provides a bell jar hoist equipment relates to the relevant equipment technical field of electrolytic aluminum, has solved among the prior art anode guide arm and the bell jar body installation and has separated required outside pressing mechanism structure complicacy, and the fault rate is high and manual separation intensity of labour is big, easily takes place dangerous technical problem. The device comprises a bell jar lifting appliance assembly, a ratchet wheel self-locking mechanism and a pressing assembly, wherein the bell jar lifting appliance assembly is arranged at the lower part of the round-link chain; the ratchet wheel self-locking mechanism is arranged at the upper part of the bell jar lifting appliance component, and when the ratchet wheel self-locking mechanism is in a first state, the bell jar lifting appliance component is kept separated from the anode guide rod; when the ratchet self-locking mechanism is in a second state, the bell jar lifting appliance assembly keeps clamping the anode guide rod; the pressing assembly is connected with the circular ring fixing plate, and the ratchet self-locking mechanism can be in contact with the pressing assembly and move relatively to achieve mutual switching of the first state and the second state of the ratchet self-locking mechanism. The utility model is used for make installation and dismantlement more convenient between anode rod and the bell jar hoist equipment.

Description

Bell jar lifting appliance equipment

Technical Field

The utility model belongs to the technical field of the relevant equipment technique of electrolytic aluminum and specifically relates to a bell jar hoist equipment is related to.

Background

At present, with the rapid development of modern economic construction in China, automatic operation and assembly are generally realized by a suspension type conveyor in a carbon assembly workshop. Referring to fig. 1-3, a suspension conveyor track a1 is arranged in a workshop, a conveying trolley group a2 is arranged in the suspension conveyor track a1, a load beam is hung under the conveying trolley group a2, a hanging central shaft is fixedly arranged under the load beam, a bearing sleeve is arranged outside the hanging central shaft, a circular chain fixing plate A3 is fixedly welded to the lower end of the bearing sleeve, a bell-shaped hanger is hung on the circular chain fixing plate A3 through a circular chain a4, and the bell-shaped hanger is connected with an anode guide rod a 5.

There are two types of separation modes of bell jar lifting appliance and anode rod which are commonly used in the electrolytic aluminum industry at present: mechanical separation and manual separation. The mechanical separation type rest is that an external pressing mechanical mechanism A9 presses a shaft head A7 at the top of a bell jar body A6, so that a clamping block A8 at two sides of the bell jar body A6 is separated from an anode guide rod A5 after being opened; the left person and the right person hook the clamping blocks A8 at the two sides of the bell jar body A6 by iron hooks so that the clamping blocks A8 are opened and the anode guide rod A5 is separated manually. The specific mechanical separation process is that after a bell jar hanger locking an anode guide rod A5 is hung to a designated position by an upper conveying device, a bottom jacking device starts jacking an anode guide rod A5, after the anode guide rod A5 and a bell jar body A6 rise to a certain position together, an external pressing mechanical mechanism A9 starts pressing a top shaft head A7 of a bell jar body A6 to open a clamping block A8, at the moment, the bottom mechanical mechanism starts to support the anode guide rod A5 and the bell jar body A6 to descend, the external pressing mechanical mechanism A9 presses a shaft head A7 in the descending process, and the external pressing mechanical mechanism A9 needs to keep a pressing state until the anode guide rod A5 and the bell jar body A6 are completely separated. In the process, the anode guide rod A5 and the bell jar body A6 are required to be incapable of inclining, the external pressing mechanical mechanism A9 must continuously press and descend together with the bell jar body A6 until the anode guide rod A5 and the bell jar body A6 are completely separated, the structure of the external pressing mechanical mechanism A9 is complex, the failure rate is high, and long-term reliable operation is achieved in practical use; the manual separation needs a person at each station to hook the clamping block A8 by using an iron hook, and the anode guide rod A5 is high in height, heavy in weight, easy to topple and not in line with the safety production requirement.

Therefore, how to solve the technical problems of complex structure, high failure rate, high labor intensity of manual separation and easy danger of an external pressing mechanism required by the installation and separation of the anode guide rod and the bell housing in the prior art becomes an important technical problem to be solved by the personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bell jar hoist equipment, it is complicated with the required outside pressing means structure of separation to have solved among the prior art guide arm and the installation of the bell jar body, and the fault rate is high and artifical separation intensity of labour is big, easily takes place dangerous technical problem. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of bell jar hoist equipment, with round-link chain sub-unit connection, round-link chain upper portion is provided with the round-link chain fixed plate, include: the bell jar lifting appliance assembly is used for clamping or loosening the anode guide rod and is arranged at the lower part of the circular ring chain; the ratchet wheel self-locking mechanism is arranged at the upper part of the bell jar lifting appliance assembly, and when the ratchet wheel self-locking mechanism is in a first state, the bell jar lifting appliance assembly is kept separated from the anode guide rod; when the ratchet self-locking mechanism is in a second state, the bell jar lifting appliance assembly keeps clamping the anode guide rod; the pressing assembly is fixedly connected with the round-link chain fixing plate, and the ratchet self-locking mechanism can be in contact with the pressing assembly and can move relatively to achieve mutual switching of the first state and the second state of the ratchet self-locking mechanism.

Preferably, the bell jar hanger assembly comprises a bell jar body sleeved on the upper portion of the anode guide rod, a support frame arranged on the upper portion of the bell jar body, a shaft head penetrating through the support frame along the vertical direction, a connecting rod assembly connected with the lower portion of the shaft head, and a clamping block hinged to the connecting rod assembly at one position and hinged to the side wall of the bell jar body at the other position, an elastic member used for supporting the shaft head to bounce upwards is arranged between the support frame and the shaft head, and an opening for the clamping block to enter is formed in the side surface of the bell jar body.

Preferably, the ratchet wheel self-locking mechanism comprises an upper toothed column, a lower toothed column arranged on the upper portion of the shaft head and a shell arranged on the upper portion of the support frame, the upper toothed column is of a hollow structure into which the upper portion of the lower toothed column can extend, a plurality of first protrusions are arranged on the side surface of the upper toothed column along the circumferential direction of the upper toothed column, and a first toothed structure is arranged on the lower portion of the upper toothed column; a second bulge is arranged on the side surface of the lower end of the lower tooth column, and a second toothed structure is arranged on the upper part of the second bulge; a plurality of guide grooves for the first bulges and the second bulges to enter are formed in the inner wall of the shell, and a third dentate structure is arranged at the lower part of the inner wall of the shell between the guide grooves; when the upper tooth column is installed in the shell, the tooth tip of the third tooth structure is positioned between the tooth tip and the tooth socket of the first tooth structure.

Preferably, a length of the guide groove in the housing axial direction is larger than a depth of the tooth groove of the third tooth structure in the housing axial direction.

Preferably, the thickness of the second protrusion is greater than the distance between the lower tooth post outer side wall and the housing inner side wall, and the thickness of the second protrusion is less than the distance between the lower tooth post outer side wall and the guide groove bottom.

Preferably, the third tooth structure between two adjacent guide grooves has one and only one tooth groove.

Preferably, the pressing assembly comprises a counterweight pressing block arranged above the ratchet self-locking mechanism.

Preferably, the pressing assembly further comprises a supporting rod for shortening the distance between the counterweight pressing block and the ratchet self-locking mechanism, one end of the supporting rod is connected with the counterweight pressing block, and the other end of the supporting rod is connected with the round-link chain fixing plate.

Preferably, the connecting rod assembly comprises a first rod and a second rod, the middle part of the first rod is connected with the lower part of the shaft head, one end of the second rod is hinged to the first rod, and the other end of the second rod is hinged to the clamping block.

Preferably, the fixture block includes a first end and a second end which are oppositely arranged, a hinge point of the fixture block and the side wall of the bell jar body is located at the first end of the fixture block, and the hinge point of the fixture block and the connecting rod assembly is located at the first end of the fixture block and is outwardly away from the hinge point of the fixture block and the side wall of the bell jar body; the second end of the fixture block is a free end, and can be screwed in or out of the opening of the bell jar body around a hinged point of the fixture block and the side wall of the bell jar body so as to clamp or loosen the anode guide rod.

The utility model provides bell jar lifting appliance equipment, which comprises a bell jar lifting appliance component, a ratchet wheel self-locking mechanism and a pressing component, wherein the bell jar lifting appliance component is arranged at the lower part of a circular ring chain and used for clamping or loosening an anode guide rod; the ratchet wheel self-locking mechanism is arranged on the upper part of the bell jar lifting appliance component, and the pressing component is fixedly connected with a circular ring fixing plate positioned above the ratchet wheel self-locking mechanism. The anode guide rod rises, the anode guide rod pushes against the bell jar lifting appliance assembly to rise together, after the ratchet self-locking mechanism positioned at the upper part of the bell jar lifting appliance assembly touches the pressing assembly, the ratchet self-locking mechanism continues to move upwards relative to the pressing assembly, namely the pressing assembly presses the ratchet self-locking mechanism, the ratchet self-locking mechanism is changed into a first state, the bell jar lifting appliance assembly is controlled to loosen the anode guide rod, and the anode guide rod descends to be separated from the bell jar lifting appliance assembly; the anode guide rod rises, the anode guide rod pushes against the bell jar lifting appliance assembly to rise together, after the ratchet self-locking mechanism positioned on the upper portion of the bell jar lifting appliance assembly touches the pressing assembly, the ratchet self-locking mechanism continues to move upwards relative to the pressing assembly, namely the pressing assembly presses the ratchet self-locking mechanism, the ratchet self-locking mechanism is changed to be in a second state, the bell jar lifting appliance assembly is controlled to clamp the anode guide rod, and the anode guide rod can be installed successfully. The outer pressing mechanism is arranged, so that the technical problems that in the prior art, the structure of an outer pressing mechanism required for mounting and separating the anode guide rod and the bell jar body is complex, the failure rate is high, the labor intensity of manual separation is high, and danger is easy to occur are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a side view of a bell jar spreader apparatus provided in the prior art;

FIG. 2 is a schematic view of a bell jar hanger apparatus provided in the prior art in connection with an anode stem;

FIG. 3 is a front view of a bell jar spreader apparatus provided in the prior art;

fig. 4 is a schematic view of the overall structure of a bell jar spreader apparatus provided by an embodiment of the present invention;

fig. 5 is a side view of a bell jar spreader apparatus provided by an embodiment of the present invention;

FIG. 6 is a schematic view of the connection between a bell jar hanger assembly and an anode guide rod according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a ratchet self-locking mechanism provided in the embodiment of the present invention;

fig. 8 is a schematic view of an upper tooth post structure provided by an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a housing according to an embodiment of the present invention;

fig. 10 is a schematic view of a lower tooth column structure provided by an embodiment of the present invention;

fig. 11 is a schematic view illustrating positions of an upper tooth post, a lower tooth post and a housing when the ratchet self-locking mechanism provided by the embodiment of the present invention is in the first state;

fig. 12 is a schematic view illustrating positions of the upper tooth post, the lower tooth post and the housing when the ratchet self-locking mechanism provided by the embodiment of the present invention is switched from the first state to the second state;

fig. 13 is a schematic view illustrating positions of the upper tooth post, the lower tooth post and the housing when the ratchet self-locking mechanism provided by the embodiment of the present invention is in the second state;

fig. 14 is a schematic view illustrating positions of the upper tooth post, the lower tooth post and the housing when the ratchet self-locking mechanism provided by the embodiment of the present invention is switched from the second state to the first state.

FIG. A1-overhead conveyor track; a2-conveying the trolley group; a3-round chain fixing plate; a 4-round-link chain; a5-anode guide bar; a6-bell jar body; a7-shaft head; a8-cartridge; a 9-external pressing mechanism; 1-a pressing assembly; 2-an elastic member; 3-a linkage assembly; 301-a first rod; 302-a second rod; 4-ratchet self-locking mechanism; 5-upper tooth column; 501-a first protrusion; 502-a first tooth-like structure; 6-lower tooth column; 601-a second projection; 602-a second toothed structure; 7-a housing; 701-a guide groove; 702-a third tooth-like structure; 8-a support bar; 9-a support frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of the utility model is to provide a bell jar hoist equipment through add ratchet self-locking mechanism and pressing the subassembly in bell jar hoist subassembly top, has solved among the prior art anode guide arm and bell jar body installation and the required outside pressing mechanism structure of separation complicated, and the fault rate is high and manual separation intensity of labour is big, easily takes place dangerous technical problem.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 4-6, the utility model provides a bell jar sling device, which comprises a bell jar sling component, a ratchet self-locking mechanism 4 and a pressing component 1, wherein the bell jar sling component is arranged at the lower part of a round-link chain A4 and is used for clamping or loosening an anode guide rod A5, and the upper part of the round-link chain A4 is provided with a round-link chain fixing plate A3; the ratchet self-locking mechanism 4 is arranged at the upper part of the bell jar lifting appliance component, and when the ratchet self-locking mechanism 4 is in a first state, the bell jar lifting appliance component is kept separated from the anode guide rod A5; when the ratchet self-locking mechanism 4 is in the second state, the bell jar lifting appliance assembly keeps clamping the anode guide rod A5; the pressing component 1 is fixedly connected with a circular ring fixing plate which is positioned above the ratchet self-locking mechanism 4. The anode guide rod A5 rises, the anode guide rod A5 pushes against the bell jar lifting appliance assembly to rise together, after the ratchet self-locking mechanism 4 positioned at the upper part of the bell jar lifting appliance assembly touches the pressing assembly 1, the ratchet self-locking mechanism 4 continues to move upwards relative to the pressing assembly 1, namely the pressing assembly 1 presses the ratchet self-locking mechanism 4, the ratchet self-locking mechanism 4 is changed to a first state, the bell jar lifting appliance assembly is controlled to loosen the anode guide rod A5, and the anode guide rod A5 descends to be separated from the bell jar lifting appliance assembly; the anode guide rod A5 rises, the anode guide rod A5 pushes the bell jar hanger assembly to rise together, after the ratchet self-locking mechanism 4 positioned at the upper part of the bell jar hanger assembly touches the pressing assembly 1, the ratchet self-locking mechanism 4 continues to move upwards relative to the pressing assembly 1, namely the pressing assembly 1 presses the ratchet self-locking mechanism 4, the ratchet self-locking mechanism 4 is changed to a second state, the bell jar hanger assembly is controlled to clamp the anode guide rod A5, and the anode guide rod A5 can be installed successfully. The ratchet self-locking mechanism 4 can be in contact with the pressing assembly 1 and moves relatively, so that the first state and the second state of the ratchet self-locking mechanism 4 are switched with each other, the bell jar lifting appliance assembly is controlled to clamp or loosen the anode guide rod A5, and by the arrangement, the technical problems that in the prior art, an external pressing mechanism required by installation and separation of the anode guide rod A5 and a bell jar body is complex in structure, high in failure rate, high in labor intensity of manual separation and prone to danger are solved.

Wherein, the lower part of the anode guide rod A5 can be provided with a lifting structure to push the anode guide rod A5 to move up and down along the vertical direction. Optionally, the lifting mechanism may be a lifting platform with a hydraulic cylinder at the lower part.

As the embodiment of the utility model provides an optional embodiment, bell jar hoist subassembly includes bell jar body A6, support frame 9, spindle nose A7, link assembly 3 and fixture block A8, bell jar body A6 is hollow structure, be used for cup jointing in anode rod A5 upper portion, support frame 9 fixed connection is in the upper portion of bell jar body A6, support frame 9 upper portion is provided with the through-hole, supply spindle nose A7 to penetrate support frame 9 along vertical direction, link assembly 3 and spindle nose A7 sub-unit connection, spindle nose A7 rises or descends and can drive link assembly 3 and rise and descend. One position of the clamping block A8 is hinged with the connecting rod assembly 3 and the other position is hinged with the side wall of the bell housing A6, namely, the hinged point of the clamping block A8 and the connecting rod assembly 3 and the hinged point of the clamping block A8 and the side wall of the bell housing A6 are positioned at different positions of the clamping block A8, so that the connecting rod assembly 3 moves to drive the clamping block A8 to rotate around the hinged point of the clamping block A8 and the bell housing A6. An elastic piece 2 is arranged between the supporting frame 9 and the shaft head A7 for supporting the shaft head A7 to bounce upwards. The side wall of the bell housing A6 is provided with an opening for the fixture A8 to enter to clamp or unclamp the anode rod A5.

The axle head a7 may be a column structure, the elastic element 2 may be sleeved on the axle head a7, the side wall of the upper end of the axle head a7 may be provided with a flange for preventing the elastic element 2 from separating, and the lower end of the axle head a7 is provided with a through hole for hinging with the connecting rod assembly 3. The elastic member 2 may be, but is not limited to, a spring.

Referring to fig. 7-14, as an optional implementation manner of the embodiment of the present invention, the ratchet self-locking mechanism 4 includes an upper tooth post 5, a lower tooth post 6 and a shell 7, the lower tooth post 6 is fixedly connected to the upper portion of the spindle head a7, the shell 7 is fixedly connected to the upper portion of the supporting frame 9, the shell 7 is sleeved outside the upper tooth post 5 and the lower tooth post 6, the upper tooth post 5 is a hollow structure into which the upper portion of the lower tooth post 6 can extend, the side surface of the upper tooth post 5 is provided with a plurality of first protrusions 501 along the circumferential direction, and the lower portion of the upper tooth post 5 is provided with a first tooth-shaped structure 502; a second bulge 601 is arranged on the side surface of the lower end of the lower tooth column 6, and a second toothed structure 602 is arranged on the upper part of the second bulge 601; a plurality of guide grooves 701 are formed in the inner wall of the shell 7 and used for allowing the first protrusions 501 and the second protrusions 601 to enter, and a third toothed structure 702 is arranged at the lower part of the inner wall of the shell 7 between the guide grooves 701; when the upper tooth column 5 is installed in the housing 7, the tooth tip of the third tooth-like structure 702 is located between the tooth tip and the tooth socket of the first tooth-like structure 502, so that there is a distance difference between the tooth tip of the third tooth-like structure 702 and the tooth tip of the first tooth-like structure 502 along the circumferential direction of the housing 7, when the upper tooth column 5 pushes the lower tooth column 6 to descend, the second tooth-like structure 602 is disengaged from the first tooth-like structure 502 and is in contact with the third tooth-like structure 702, the second tooth-like structure 602 can move along the outer contour of the third tooth-like structure 702, that is, the lower tooth column 6 can rotate relative to the housing 7 along the circumferential direction thereof; alternatively, when the upper column 5 pushes the lower column 6 downward, the second tooth structure 602 is disengaged from the third tooth structure 702 and is in contact with the first tooth structure 502, and the second tooth structure 602 can move along the outer contour of the first tooth structure 502, that is, the lower column 6 can rotate relative to the upper column 5 along its own circumference.

At least two second protrusions 601 are uniformly arranged along the circumferential direction of the lower tooth post 6, and preferably, four second protrusions 601 are arranged. At least two guide grooves 701 are uniformly arranged along the circumferential direction of the inner wall of the housing 7. The number of the guide grooves 701 may be equal to the number of the first protrusions 501. The connection between the housing 7 and the support 9 may be, but is not limited to, welding.

The anode guide rod a5 is separated from the bell jar hanger assembly, that is, the ratchet self-locking mechanism 4 is switched from the second state to the first state: the anode guide rod A5 rises to prop against the bell jar lifting appliance assembly to rise together, after the ratchet self-locking mechanism 4 on the upper portion of the bell jar lifting appliance assembly touches the pressing assembly 1, the upper tooth post 5 of the ratchet self-locking mechanism 4 is pressed down relatively, the lower tooth post 6 moves downwards along the length direction of the guide groove 701 under the pushing action of the upper tooth post 5, and after the lower tooth post 6 is separated from the guide groove 701, because the tooth tip of the third tooth-shaped structure 702 is positioned between the tooth tip and the tooth groove of the first tooth-shaped structure 502, the lower tooth post 6 can rotate along the circumferential direction of the lower tooth post 6 in the process of continuing to descend; the lower tooth column 6 descends to press the shaft head A7 downwards, the shaft head A7 enables the fixture block A8 to rotate towards two sides of the bell jar body A6 through the connecting rod assembly 3 to be opened, and the fixture block A8 is separated from the anode guide rod A5; subsequently, in the process of lowering the anode guide rod a5, the elastic member 2 pushes against the spindle head a7 and the lower tooth post 6 to rise, but since the lower tooth post 6 has rotated by a certain angle along the circumferential direction thereof and cannot enter the previous guide groove 701, the lower tooth post 6 rises to contact and lock with the third tooth-shaped structure 702 located between the guide grooves 701, the lower tooth post 6 does not rise any more, so that the connecting rod assembly 3 stops moving, the clamping block A8 keeps an open state, and the anode guide rod a5 continues to be lowered again to be separated from the bell jar body a 6.

The anode guide rod A5 is installed in a bell jar hanger assembly, namely, the ratchet self-locking mechanism 4 is switched from a first state to a second state: the anode guide rod a5 rises, the upper part of the anode guide rod a5 enters the bell jar body a6 and continues to rise, the ratchet self-locking mechanism 4 on the upper part of the bell jar hanger assembly touches the pressing assembly 1 above and continues to rise, namely, the pressing assembly 1 presses the upper tooth column 5 of the ratchet self-locking mechanism 4 downwards, the upper tooth column 5 presses the lower tooth column 6 to descend downwards, namely, the second tooth-shaped structure 602 of the lower tooth column 6 is separated from the third tooth-shaped structure 702 and is contacted with the first tooth-shaped structure 502, and the tooth tip of the third tooth-shaped structure 702 is positioned between the tooth tip and the tooth socket of the first tooth-shaped structure 502, so that the lower tooth column 6 also rotates along the circumferential direction of itself while descending. The anode guide rod A5 descends, the shaft head A7 and the lower toothed column 6 move upwards under the action of the elastic piece 2, but because the lower toothed column 6 rotates by a certain angle, the second toothed structure 602 slides into the guide groove 701 along the edge of the third toothed structure 702 and continues to ascend along the guide groove 701, the shaft head A7 can be pulled upwards together with the connecting rod assembly 3 in the ascending process, so that the clamping block A8 rotates inwards and clamps the anode guide rod A5, the anode guide rod A5 is clamped by the clamping block A8 and cannot descend, and thus, the anode guide rod A5 is installed successfully. In the scheme, the bell jar lifting appliance assembly and the anode guide rod A5 are installed and separated, other independently controlled external mechanisms are not needed, so that the structure is simple, the failure rate is lower, the operation is safer and more labor-saving due to the fact that personnel do not need to assist in opening the clamping block A8 at two sides.

Wherein, the outer side wall of the upper part of the anode guide rod A5 can be provided with a clamping groove so as to be convenient for the clamping block A8 to be clamped in.

As the embodiment of the present invention can be optionally implemented, the length of the guiding groove 701 along the axial direction of the housing 7 is greater than the depth of the tooth groove of the third tooth-shaped structure 702 along the axial direction of the housing 7, so as to set the height of the lower tooth post 6 when being located in the tooth groove of the third tooth-shaped structure 702, which is lower than the height of the lower tooth post 6 when being completely located in the guiding groove 701, so that the lower tooth post 6 is located at different positions, the connecting rod assembly 3 is also located at different heights, and the fixture block A8 can also be located at different rotation positions.

As an optional implementation manner of the embodiment of the present invention, the thickness of the second protrusion 601 is greater than the distance between the outer sidewall of the lower tooth post 6 and the inner sidewall of the housing 7, and the thickness of the second protrusion 601 is smaller than the distance between the outer sidewall of the lower tooth post 6 and the bottom of the guide groove 701, so as to set up, when seen along the radial direction of the lower tooth post 6, the top position extension line of the second protrusion 601 is located between the extension line of the opening position of the guide groove 701 and the extension line of the bottom position of the guide groove 701, so as to ensure that when the lower tooth post 6 moves to the position between two adjacent guide grooves 701, that is, when the second tooth structure 602 on the upper portion of the second protrusion 601 contacts with the third tooth structure 702 between the two guide grooves 701, the second protrusion 601 can be locked between the two guide grooves 701, and no longer moves upwards.

As the embodiment of the present invention can be optionally implemented, the third tooth-shaped structure 702 between two adjacent guide grooves 701 has and is only provided with one complete tooth socket, so as to set up, and the pressing component only presses relatively once, so as to realize the conversion from the first state to the second state or from the second state to the first state of the ratchet self-locking mechanism 4.

Referring to fig. 4-6, as an optional implementation manner of the embodiment of the present invention, the pressing assembly 1 includes a counterweight pressing block disposed above the ratchet self-locking mechanism 4, and only when the ratchet self-locking mechanism 4 rises, the counterweight pressing block has a blocking effect, and the counterweight pressing block may have a plate-shaped structure, and has a simple structure.

As the embodiment of the utility model provides an optional embodiment, press subassembly 1 still includes bracing piece 8, and bracing piece 8 is used for shortening the distance between counter weight briquetting and the ratchet self-locking mechanism 4, and 8 one ends of bracing piece are connected with the counter weight briquetting, and the other end is connected with round-link chain fixed plate A3, so set up, and ratchet self-locking mechanism 4 moves shorter distance upwards can contact with the counter weight briquetting, sparingly moves the acting. Wherein, bracing piece 8 can be self has locking mechanism's telescopic link to make the staff as required, be fixed in suitable height with the counter weight briquetting.

As the embodiment of the utility model provides an optional implementation mode, link assembly 3 includes middle part and spindle nose A7 sub-unit connection's first pole 301 and one end and first pole 301 articulated second pole 302, and the second pole 302 other end is articulated with fixture block A8, and first pole 301 is located the hollow structure of support frame 9 to both ends are stretched out support frame 9, and first pole 301 can be for support frame 9 along the up-and-down direction motion, and second pole 302 can be provided with two, sets up respectively in the both ends of first pole 301, simple structure.

As an optional implementation manner of the embodiment of the present invention, the latch A8 includes a first end and a second end that are disposed opposite to each other, a hinge point of the latch A8 and the side wall of the bell housing a6 is located at the first end of the latch A8, and a hinge point of the latch A8 and the connecting rod assembly 3 is located at the first end of the latch A8 and is located outside the bell housing a6, away from the hinge point of the latch A8 and the side wall of the bell housing a 6; the second end of the fixture block A8 is a free end, and can be screwed in or out of the opening of the bell jar body A6 around the hinge point of the fixture block A8 and the side wall of the bell jar body A6 to clamp or loosen the anode guide rod A5.

The utility model discloses in, the appearance and the size of bell jar hoist equipment can be adjusted according to the length and the width of anode guide pole A5 cross section and the distance of bell jar hoist subassembly apart from the anode guide pole top, but structure and principle are unchangeable.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A bell jar sling device, connected to the lower part of a round-link chain (a4), the upper part of which (a4) is provided with a round-link chain fixing plate (A3), characterized in that it comprises:

a bell jar hanger assembly for clamping or loosening an anode guide rod (A5) is arranged at the lower part of the circular ring chain (A4);

the ratchet self-locking mechanism (4) is arranged at the upper part of the bell jar lifting appliance assembly, and when the ratchet self-locking mechanism (4) is in a first state, the bell jar lifting appliance assembly is kept separated from the anode guide rod (A5); when the ratchet self-locking mechanism (4) is in a second state, the bell jar lifting appliance assembly keeps clamping the anode guide rod (A5);

the pressing assembly (1) is fixedly connected with the round-link chain fixing plate (A3), and the ratchet self-locking mechanism (4) can be in contact with the pressing assembly (1) and moves relatively to realize the mutual switching of the first state and the second state of the ratchet self-locking mechanism (4).

2. The bell jar sling device according to claim 1, wherein the bell jar sling assembly comprises a bell jar body (A6) sleeved on the upper part of the anode guide rod (A5), a support frame (9) arranged on the upper part of the bell jar body (A6), a shaft head (A7) penetrating into the support frame along the vertical direction, a connecting rod assembly (3) connected with the lower part of the shaft head (A7), and a clamping block (A8) hinged with the connecting rod assembly (3) at one position and hinged with the side wall of the bell jar body (A6) at the other position, an elastic piece (2) used for supporting the shaft head (A7) to bounce upwards is arranged between the support frame (9) and the shaft head (A7), and an opening for the clamping block (A8) to enter is arranged on the side surface of the bell jar body (A6).

3. The bell jar sling device as recited in claim 2, wherein the ratchet self-locking mechanism (4) comprises an upper tooth column (5), a lower tooth column (6) arranged on the upper portion of the shaft head (A7) and a shell (7) arranged on the upper portion of the support frame (9), the upper tooth column (5) is a hollow structure into which the upper portion of the lower tooth column (6) can extend, the side surface of the upper tooth column (5) is provided with a plurality of first protrusions (501) along the circumferential direction thereof, and the lower portion of the upper tooth column (5) is provided with a first tooth-shaped structure (502); a second bulge (601) is arranged on the side surface of the lower end of the lower tooth column (6), and a second toothed structure (602) is arranged on the upper part of the second bulge (601); a plurality of guide grooves (701) for the first protrusions (501) and the second protrusions (601) to enter are formed in the inner wall of the shell (7), and a third tooth-shaped structure (702) is arranged at the lower part of the inner wall of the shell (7) between the guide grooves (701); when the upper tooth column (5) is mounted in the housing (7), the tooth tip of the third tooth structure (702) is located between the tooth tip and the tooth socket of the first tooth structure (502).

4. A bell jar spreader apparatus according to claim 3, wherein the length of the guide slot (701) in the axial direction of the housing (7) is larger than the depth of the tooth slot of the third tooth structure (702) in the axial direction of the housing (7).

5. A bell jar spreader arrangement according to claim 3, wherein the thickness of the second protrusion (601) is larger than the distance between the outer side wall of the lower tooth post (6) and the inner side wall of the housing (7), and the thickness of the second protrusion (601) is smaller than the distance between the outer side wall of the lower tooth post (6) and the bottom of the guide groove (701).

6. A bell jar spreader apparatus according to claim 3, wherein the third tooth structure (702) between two adjacent guide slots (701) has one and only one tooth slot.

7. The bell jar spreader apparatus according to claim 1, wherein the pressing assembly (1) comprises a counter weight mass disposed above the ratchet self-locking mechanism (4).

8. The bell jar spreader apparatus according to claim 7, wherein the pressing assembly (1) further comprises a support rod (8) for shortening the distance between the counter weight block and the ratchet self-locking mechanism (4), one end of the support rod (8) is connected with the counter weight block, and the other end is connected with the round-link chain fixing plate (A3).

9. The bell jar spreader apparatus of claim 2, wherein the link assembly (3) comprises a first rod (301) having a middle portion connected to a lower portion of the head (a7) and a second rod (302) having one end hinged to the first rod (301), the other end of the second rod (302) being hinged to the dog (A8).

10. The bell jar spreader apparatus of claim 2, wherein the latch block (A8) comprises first and second oppositely disposed ends, the hinge point of the latch block (A8) to the side wall of the bell jar body (a6) is at the first end of the latch block (A8), the hinge point of the latch block (A8) to the link assembly (3) is at the first end of the latch block (A8) and outwardly away from the hinge point of the latch block (A8) to the side wall of the bell jar body (a 6); the second end of the fixture block (A8) is a free end, and can be screwed in or out of the opening of the bell housing (A6) around the hinge point of the fixture block (A8) and the side wall of the bell housing (A6) so as to clamp or loosen the anode guide rod (A5).