CN215160326U

CN215160326U - Lifting mechanism capable of automatically grabbing heat-insulating cover of roasting furnace

Info

Publication number: CN215160326U
Application number: CN202122722557.4U
Authority: CN
Inventors: 芦严; 胡旭; 谢军强; 张林多; 姚崇
Original assignee: Henan Weihua Heavy Machinery Co Ltd
Current assignee: Henan Weihua Heavy Machinery Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2021-12-14
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a lifting mechanism capable of automatically grabbing a heat preservation cover of a roasting furnace, wherein a plurality of mounting grooves are uniformly arranged on the lower part of the outer side wall of a hook seat, a tension hook is hinged and connected in each mounting groove, a driving mechanism for driving the tension hook to rotate and open through a notch of each mounting groove is arranged on the upper part of the hook seat, and a control mechanism which is arranged on a crane sling and controls the driving mechanism and the hook seat to move downwards is arranged on the upper part of the driving mechanism; the utility model discloses utilize on the hoist installation and bake burning furnace heat preservation and cover lifting hole matched with hook seat over a slow fire, can relax convenient carry out firm stable handling to the heat preservation lid, improved the handling efficiency of heat preservation lid greatly.

Description

Lifting mechanism capable of automatically grabbing heat-insulating cover of roasting furnace

Technical Field

The utility model relates to a handling hoist technical field especially relates to a can snatch handling mechanism who bakes burning furnace heat preservation lid automatically.

Background

The roasting furnace heat-insulating cover is an important component of an electrode roasting furnace in a graphite electrode plant, in the production and operation process of the electrode roasting furnace, a channel is provided for high-temperature flue gas to flow in the space below the heat-insulating cover, so that the temperature of each furnace chamber in a roasting system forms continuous gradient in the space, a certain process curve is installed, the roasting and carbonization process of an electrode green body is completed, when the heat-insulating cover of the roasting furnace is fastened, a crane is often used for hoisting, in the roasting process of a graphite carbon rod, a hoisting tool of the crane is often arranged aiming at the grabbing of the carbon rod, the heat-insulating cover of the roasting furnace cannot be effectively grabbed, and when the heat-insulating cover of the roasting furnace is hoisted, a steel wire rope is used for binding and fixing the heat-insulating cover of the roasting furnace, and then the hoisting and fastening are carried out, so that the hoisting of the heat-insulating cover of the roasting furnace is very complicated, and the heat-insulating cover of the roasting furnace can cross from the upper parts of operators or equipment in the hoisting and operation process of the roasting furnace, if the heat-insulating cover of the roasting furnace falls off in the hoisting process, great safety accidents are easily caused, and therefore a mechanism for hoisting the heat-insulating cover of the roasting furnace is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the background art, the utility model discloses a can snatch handling mechanism who bakes burning furnace heat preservation lid automatically, the utility model discloses utilize on the hoist installation with bake burning furnace heat preservation and cover lifting hole matched with hook seat, can relax convenient carry out firm stable handling to the heat preservation lid, improved the handling efficiency of heat preservation lid greatly.

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

the lifting mechanism capable of lifting the heat-insulating cover of the roasting furnace comprises a hook seat matched with a lifting hole on the heat-insulating cover of the roasting furnace, wherein a plurality of mounting grooves are uniformly formed in the lower part of the outer side wall of the hook seat, tensioning vertical hooks are hinged and connected in the mounting grooves, a driving mechanism for driving the tensioning vertical hooks to rotate and open through notches of the mounting grooves is arranged on the upper part of the hook seat, and a control mechanism which is arranged on a crane lifting appliance and controls the driving mechanism and the hook seat to move downwards is arranged on the upper part of the driving mechanism.

Further, the hook base is provided with a proximity switch for controlling the driving mechanism.

Further, the driving mechanism is an electric cylinder or a hydraulic cylinder.

Furthermore, the upper surface of the hook seat is provided with a groove communicated with the mounting groove, and a telescopic rod of the driving mechanism extends into the groove and pushes the tensioning vertical hook to rotate and open.

Furthermore, the end part of the telescopic rod is provided with a pushing head which comprises an upper cylinder and a lower cone, the upper cylinder is connected with the end part of the telescopic rod, and the lower part of the upper cylinder is provided with the lower cone.

Furthermore, the tensioning vertical hook is hinged with the mounting groove through a vertical hook pin shaft, and the vertical hook pin shaft is provided with a torsion spring for realizing automatic contraction of the tensioning vertical hook.

Furthermore, the control mechanism comprises an oil cylinder and a connecting rod, the oil cylinder is fixedly arranged on the crane lifting appliance, the connecting rod is fixedly arranged on the upper part of the driving mechanism, and the telescopic end of the oil cylinder is hinged with the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the hook seat matched with the lifting hole on the roasting furnace heat-insulating cover is arranged on the crane lifting appliance, so that the heat-insulating cover can be easily, firmly and stably lifted, and the lifting efficiency of the heat-insulating cover is greatly improved;

by utilizing the proximity switch, the information of the distance between the hook seat and the end surface of the heat-insulating cover can be monitored in real time, and the driving mechanism is controlled to drive the tensioning vertical hook to be opened after the information is processed;

the opening of the tension hook is realized by a telescopic rod pushing mode in the driving mechanism, so that the tension hook can be always kept in an open state through a limiting blocking block of the telescopic rod, the tension hook can be firmly and effectively in buckling fit with a lifting hole in the heat-insulation cover, and a powerful guarantee is provided for safe hoisting of the heat-insulation cover;

the tension hook can automatically contract into the mounting groove in a natural state by utilizing the hook pin shaft and the torsion spring, so that convenience is provided for the hook seat to smoothly extend into the lifting hole of the heat-insulation cover;

by utilizing the control mechanism, the hook seat can be moved to the lower part of the crane lifting appliance to realize the lifting operation of the heat-insulating cover, thereby providing great convenience for the lifting operation of the heat-insulating cover;

the utility model discloses an installation can be used to the handling to bake burning furnace heat preservation lid's hook seat over the hoist, can realize carrying out convenient safe handling operation to baking furnace heat preservation lid over a slow fire, has improved the installation effectiveness of baking furnace heat preservation lid greatly, has effectively reduced the potential safety hazard of baking furnace heat preservation lid at the handling in-process over a slow fire.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the hook seat structure of the present invention;

FIG. 3 is a schematic view of the structure of the tightening hook of the present invention;

fig. 4 is a schematic view of the tension hammer hook of the present invention in a contracted state;

fig. 5 is a schematic view of the tension hammer hook of the present invention in an open state;

fig. 6 is a schematic view of the pushing head structure of the present invention.

In the figure: 1. an oil cylinder; 2. a connecting rod; 3. a drive mechanism; 4. a hook base; 5. tensioning the vertical hook; 6. lifting a handle; 7. a proximity switch; 8. mounting grooves; 9. a hook pin shaft; 10. a torsion spring; 11. a cylinder body; 12. a telescopic rod; 13. pushing the head; 14. a groove; 15. a heat-insulating cover of the roasting furnace; 16. lifting and pulling the hole; 17. an upper column; 18. a lower cone.

Detailed Description

In the following description, the technical solutions of the present invention will be described with reference to the drawings in the embodiments of the present invention, it should be understood that, if there are the orientations or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific orientation.

Referring to the attached drawings 1-6 of the specification, the utility model provides a technical scheme:

in the first embodiment, please refer to fig. 1-5, a lifting mechanism capable of lifting a heat-insulating cover of a baking furnace includes a hook base 4 adapted to a lifting hole 16 of the heat-insulating cover 15 of the baking furnace, at least three mounting grooves 8 are uniformly formed in the lower portion of the outer side wall of the hook base 4, a tight hanging hook 5 is hinged and connected in the mounting groove 8, a groove 14 communicated with the mounting groove 8 is formed in the upper surface of the hook base 4, a driving mechanism 3 for driving the tight hanging hook 5 to rotate and open through a notch of the mounting groove 8 is formed in the upper portion of the hook base 4, specifically, the driving mechanism 3 is an electric cylinder or a hydraulic cylinder, a cylinder body 11 of the driving mechanism 3 is fixedly mounted on the upper portion of the hook base 4, and a telescopic rod 12 of the driving mechanism 3 extends into the groove 14 and pushes the tight hanging hook 5 to rotate and open.

In the second embodiment, referring to fig. 3, since the tension hook 5 is rotated and opened by the pushing of the telescopic rod 12, when the telescopic rod 12 does not apply a force to the tension hook 5, the tension hook 5 naturally droops due to gravity, and the hook head of the tension hook 5 easily protrudes into the hook base 4, so that the hook base 4 is easily blocked by the tension hook 5 when being placed into the lifting hole 16 of the insulation cover 15 of the roaster, in order to enable the tension hook 5 to effectively contract in the installation groove 8 in a natural state, the tension hook 5 is hinged to the installation groove 8 through the hook pin shaft 9, the hook pin shaft 9 is provided with the torsion spring 10 for enabling the tension hook 5 to automatically contract, and the tension hook 5 automatically contracts into the installation groove 8 in a natural state by using the elasticity of the torsion spring 10.

In the third embodiment, referring to fig. 4, 5 and 6, in order to enable the telescopic rod 12 in the driving mechanism 3 to accurately and effectively push the tension hook 5 to rotate and open, a pushing head 13 is disposed at an end of the telescopic rod 12, specifically, the pushing head 13 is composed of an upper cylinder 17 and a lower cone 18, a diameter of the upper cylinder 17 is matched with an inner diameter of the groove 14, the outer wall of the upper cylinder 17 is utilized to effectively push the tension hook 5, and the tension hook 5 is stably and effectively kept in an open state, and in order to facilitate the pushing head 13 to push the tension hook 5, the lower cone 18 with an inverted isosceles trapezoid cross section is disposed at the lower portion of the upper cylinder 17.

In a fourth embodiment, referring to fig. 2 and 3, a proximity switch 7 for controlling the driving mechanism 3 is disposed on one side of the hook seat 4, the telescopic end of the oil cylinder 1 pushes the hook seat 4 to approach the roasting furnace heat-insulating cover 15 after passing through a crane spreader, and as the hook seat 4 extends into a lifting hole 16 on the roasting furnace heat-insulating cover 15, a distance between the proximity switch 7 and an end surface of the roasting furnace heat-insulating cover 15 becomes smaller and smaller, and when the proximity switch 7 approaches the end surface of the roasting furnace heat-insulating cover 15 to a set distance, the proximity switch 7 sends a control signal to control a telescopic rod 12 in the driving mechanism 3 to move downward along a groove 14 and push the tensioning vertical hooks 5 in the mounting slots 8 to rotate outward from the notches of the mounting slots 8.

In the fifth embodiment, referring to fig. 1, in the process of roasting graphite carbon rods, a carbon rod is grabbed and lifted and transported into a roasting furnace by a crane sling, and then a roasting furnace heat-insulating cover 15 is lifted and transported to a roasting furnace mouth for cover sealing and roasting, however, the crane sling for grabbing carbon rods cannot effectively lift the roasting furnace heat-insulating cover 15, and often needs to be bound and lifted by a steel wire rope, which is time-consuming and labor-consuming, and has a certain potential safety hazard, in order to enable a hook base 4 to cross the crane sling to lift the roasting furnace heat-insulating cover 15, a control mechanism which is installed on the crane sling and controls a driving mechanism 3 and the hook base 4 to move downwards is arranged on the upper portion of a driving mechanism 3, specifically, the control mechanism comprises an oil cylinder 1 and a connecting rod 2, the oil cylinder 1 is fixedly installed on the crane sling, the connecting rod 2 is fixedly installed on the upper portion of the driving mechanism 3, and a lifting handle 6 is arranged on the upper end of the connecting rod 2, the telescopic end of the oil cylinder 1 is hinged with the lifting handle 6, and the hook seat 4 can be moved to the lower part of a crane lifting appliance by utilizing the telescopic end of the oil cylinder 1, so that the hook seat 4 can be matched with a lifting hole 16 on the roasting furnace heat-insulating cover 15, and the hoisting operation of the roasting furnace heat-insulating cover 15 is realized.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims.

Claims

1. The utility model provides a can snatch handling mechanism of burning furnace heat preservation lid automatically, includes hook seat (4) with lifting hole (16) looks adaptation on burning furnace heat preservation lid (15), its characterized in that: the crane lifting device is characterized in that a plurality of mounting grooves (8) are uniformly formed in the lower portion of the outer side wall of the hook seat (4), a tensioning vertical hook (5) is hinged in each mounting groove (8), a driving mechanism (3) for driving the tensioning vertical hook (5) to rotate and open through a notch of each mounting groove (8) is arranged on the upper portion of the hook seat (4), and a control mechanism for controlling the driving mechanism (3) and the hook seat (4) to move downwards is arranged on the upper portion of the driving mechanism (3).

2. The hoisting mechanism capable of automatically grabbing the heat preservation cover of the roasting furnace according to claim 1 is characterized in that: the hook seat (4) is provided with a proximity switch (7) for controlling the driving mechanism (3).

3. The hoisting mechanism capable of automatically grabbing the heat preservation cover of the roasting furnace according to claim 1 is characterized in that: the driving mechanism (3) is an electric cylinder or a hydraulic cylinder.

4. The hoisting mechanism capable of automatically grabbing the heat preservation cover of the roasting furnace according to claim 3 is characterized in that: the upper surface of the hook seat (4) is provided with a groove (14) communicated with the mounting groove (8), and a telescopic rod (12) of the driving mechanism (3) extends into the groove (14) and pushes the tensioning vertical hook (5) to rotate and open.

5. The hoisting mechanism capable of automatically grabbing the heat preservation cover of the roasting furnace according to claim 4 is characterized in that: the end part of the telescopic rod (12) is provided with a push head (13), the push head (13) comprises an upper column body (17) and a lower cone body (18), the upper column body (17) is connected with the end part of the telescopic rod (12), and the lower part of the upper column body (17) is provided with the lower cone body (18).

6. The hoisting mechanism capable of automatically grabbing the heat preservation cover of the roasting furnace according to claim 1 is characterized in that: the tensioning vertical hook (5) is hinged with the mounting groove (8) through a vertical hook pin shaft (9), and the vertical hook pin shaft (9) is provided with a torsion spring (10) for realizing automatic contraction of the tensioning vertical hook (5).

7. The hoisting mechanism capable of automatically grabbing the heat preservation cover of the roasting furnace according to claim 1 is characterized in that: the control mechanism comprises an oil cylinder (1) and a connecting rod (2), the oil cylinder (1) is fixedly installed on a crane lifting appliance, the connecting rod (2) is fixedly installed on the upper portion of the driving mechanism (3), and the telescopic end of the oil cylinder (1) is hinged to the connecting rod (2).