Vacuum cover lifting device for metallurgy

Abstract

The utility model relates to the technical field of metallurgy, and provides a vacuum cover lifting device for metallurgy, which comprises two symmetrically arranged bottom cross rods and a vacuum cover, the top of one of the bottom cross rods is fixedly connected with two symmetrically arranged upright posts I through screws, and the top of the other of the bottom cross rods is fixedly connected with two upright posts II through screws. The top of one bottom cross rod is fixedly connected with two symmetrically-arranged stand columns I through screws, the top of the other bottom cross rod is fixedly connected with two symmetrically-arranged stand columns II through screws, the tops of the stand columns I and the tops of the stand columns II are jointly and fixedly connected with a longitudinal stand column through screws, and one side of the longitudinal stand column is fixedly connected with a rotating shaft fixing frame through screws. Four electric moving wheels are arranged at the bottom of the device, so that the whole set of equipment can be accurately moved to the position over a vacuum cover, the vacuum cover is transferred to a preset position, and the operation flexibility and efficiency are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical technical field, specifically, relate to a metallurgical vacuum cover lifting device. BACKGROUND

[0002] At present, in the deep foundation and continuous innovation of metallurgical industry, the vacuum cover lifting device for metallurgy as a key technical equipment, quietly become the important force of promoting the progress of the industry, along with the modern metallurgical technology to the purity and performance requirement of metal material increasing, the traditional smelting method has been difficult to meet the production demand of high precision, high quality. Under this background, vacuum metallurgical technology emerges as the times require, it creates and maintains a vacuum environment of nearly no oxygen or other interfering gas, carries out the depth processing to metal melt, effectively removes the gas impurities and nonmetallic inclusions in it, thereby significantly improves the quality and performance of metal products.

[0003] And the vacuum cover lifting device in prior art has the following problems:

[0004] 1, the vacuum cover lifting device for metallurgy in prior art is often bulky, complex structure, needs the professional technology and equipment support when installing, in addition, the precision requirement in the installation process is also higher, increases the difficulty and cost of installation, so there is the problem of difficult installation;

[0005] 2, the vacuum cover lifting device for metallurgy in prior art is often directly arranged on the smelting equipment, cannot be moved to other places after the vacuum cover is lifted to facilitate the repair or maintenance, so there is the problem of poor flexibility. UTILITY MODEL CONTENTS

[0006] The utility model provides a vacuum cover lifting device for metallurgy, solves the problem of difficult installation and poor flexibility in the related art.

[0007] The technical scheme of the utility model is as follows:

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a vacuum cover lifting device for metallurgy, including two bottom cross bars and vacuum covers arranged symmetrically, the top of one bottom cross bar is fixedly connected with two symmetrical stand columns one through screw, the top of another bottom cross bar is fixedly connected with two symmetrical stand columns two through screw, the top of stand column one and stand column two is fixedly connected with longitudinal stand column through screw, the side of longitudinal stand column is fixedly connected with rotating shaft fixing frame through screw;

[0009] The interiors of the two rotation shaft fixing frames are jointly rotationally provided with a connecting rotation shaft, the outer circumferential surface of the connecting rotation shaft is fixedly provided with two rotation arms arranged in symmetry, the interiors of the rotation arms are movably hingedly provided with fixed anchor points, one side of the anchor points is respectively fixedly connected with one end of lifting chain one and lifting chain two;

[0010] The top portions of the longitudinal columns are fixedly connected with rotation wheel fixing frames one and two through screws, the top portions of the rotation wheel fixing frames are fixedly connected with oil cylinder fixing seats through screws, the top portions of the oil cylinder fixing seats are provided with hydraulic oil cylinders, the output ends of the hydraulic oil cylinders are fixedly connected with cylinder connecting shafts through screws, and the cylinder connecting shafts are rotationally installed in the interiors of the rotation arms.

[0011] The outer circumferential surface of the vacuum cover is welded with four connecting plates arranged in symmetry in pairs, the interiors of the connecting plates are provided with threaded holes, the other ends of the lifting chain one and the lifting chain two are welded with connecting blocks, the outer circumferential surfaces of the connecting blocks are provided with threads, and the connecting blocks are screw-connected in the interiors of the threaded holes.

[0012] Preferably, the interior of the rotation wheel fixing frame one is rotationally provided with a rotation wheel one, the rotation wheel one is meshedly connected with the lifting chain one, the interior of the longitudinal column is provided with a through hole one, and the lifting chain one passes through the interior of the through hole one; the rotation wheel one can guarantee that the lifting chain one is more stable during movement and reduce the force required for lifting the lifting chain one.

[0013] Preferably, the interior of the rotation wheel fixing frame two is rotationally provided with a rotation wheel two, the rotation wheel two is meshedly connected with the lifting chain two, the interior of the longitudinal column is provided with a through hole two, and the lifting chain two passes through the interior of the through hole two; the through hole two can make a segment of the lifting chain two always keep vertical during movement, thereby guaranteeing the stability of lifting.

[0014] Preferably, the interior of the bottom cross rod is provided with two electric moving wheels arranged in symmetry; the electric moving wheels can move the entire device and the vacuum cover to a suitable position, and improve the versatility and flexibility of the entire device.

[0015] Preferably, a reinforcing rod is jointly welded between each longitudinal column and the reinforcing connecting column; the reinforcing rod can effectively guarantee the stability of the connection between the longitudinal column and the reinforcing connecting column, and guarantee the stability of the entire device during transportation.

[0016] The working principle and beneficial effects of the device are as follows:

[0017] 1. The utility model discloses a through the setting of electric moving wheel etc. structure, four electric moving wheels that device bottom is equipped with can accurately move whole set of equipment to the just above vacuum cover, and remove and send the vacuum cover to the predetermined position, greatly improve the flexibility and efficiency of operation.

[0018] 2. The utility model discloses through the setting of connecting block and connecting plate etc. structure, utilize the nut and make the lifting chain closely link with the vacuum cover, ensure the stability and security of lifting, simultaneously, through the thrust effect of hydraulic oil cylinder, and the collaborative rotation of swing arm and fixed anchor point, realize the stable and horizontal lifting of vacuum cover, effectively avoid the sway or deviation in the lifting process.

[0019] 3. The utility model discloses through the setting of pivot, ensure that two swing arms can keep the high synchronism in the rotation process, this characteristic not only guarantees the coordinated consistency of lifting chain operation, further improves the stability and accuracy of vacuum cover lifting. DRAWINGS

[0020] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0021] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0022] Fig. 2 It is the partial structure schematic diagram of the utility model;

[0023] Fig. 3 It is the vacuum cover structure schematic diagram of the utility model;

[0024] Fig. 4 It is the enlarged view of the label A of the utility model.

[0025] In the drawing: 1, bottom cross bar;2, stand one;3, stand two;4, longitudinal stand;5, reinforcing connecting column;6, reinforcing rod;7, pivot fixed frame;8, connecting pivot;9, swing arm;10, fixed anchor point;11, cylinder connecting shaft;12, hydraulic oil cylinder;13, lifting chain one;14, lifting chain two;15, runner fixed frame one;16, runner fixed frame two;17, oil cylinder fixed seat;18, rotating wheel one;19, rotating wheel two;20, vacuum cover;21, connecting plate;22, electric moving wheel;23, connecting block. SPECIFIC EMBODIMENT

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0027] As shown in Figs. 1-4 The embodiment provides a metallurgical vacuum cover 20 lifting device, which comprises two bottom cross bars 1 arranged symmetrically and a vacuum cover 20, the top of one of the bottom cross bars 1 is fixedly connected with two upright columns one 2 arranged symmetrically through screws, the top of the other bottom cross bar 1 is fixedly connected with two upright columns two 3 arranged symmetrically through screws, the top of the upright columns one 2 and the upright columns two 3 is fixedly connected with a longitudinal upright column 4 through screws in common, one side of the longitudinal upright column 4 is fixedly connected with a rotating shaft fixing frame 7 through screws;

[0028] The inside of the two rotating shaft fixing frames 7 is rotatably connected with a connecting rotating shaft 8, the outer circumferential surface of the connecting rotating shaft 8 is fixedly connected with two rotating arms 9 arranged symmetrically, the inside of the rotating arms 9 is movably hinged with fixed anchor points 10, one side of the anchor points is fixedly connected with one end of lifting chains one 13 and lifting chains two 14 respectively;

[0029] The top of the longitudinal upright column 4 is fixedly connected with rotating wheel fixing frames one 15 and rotating wheel fixing frames two 16 through screws respectively, the top of the rotating wheel fixing frame is fixedly connected with an oil cylinder fixing seat 17 through screws, the top of the oil cylinder fixing seat 17 is connected with a hydraulic oil cylinder 12, the output end of the hydraulic oil cylinder 12 is fixedly connected with a cylinder connecting shaft 11, the cylinder connecting shaft 11 is rotatably installed in the inside of the rotating arm 9;

[0030] The outer circumferential surface of the vacuum cover 20 is welded with four connecting plates 21 arranged symmetrically in pairs, the inside of the connecting plate 21 is provided with a threaded hole, the other end of the lifting chains one 13 and the lifting chains two 14 is welded with a connecting block 23, the outer circumferential surface of the connecting block 23 is provided with a thread, and the connecting block 23 is screw-connected in the inside of the threaded hole.

[0031] As shown in Figs. 1-4 The inside of the rotating wheel fixing frame one 15 is rotatably connected with a rotating wheel one 18, the rotating wheel one 18 is meshed with the lifting chains one 13, the inside of the longitudinal upright column 4 is provided with a through hole one, the lifting chains one 13 passes through the inside of the through hole one, and the arrangement of the rotating wheel one 18 can guarantee that the lifting chains one 13 is more stable during movement and reduce the force required for lifting the lifting chains one 13.

[0032] As shown in Figs. 1-4As shown, the inside of the rotating frame two 16 is rotatably installed with a rotating wheel two 19, the rotating wheel two 19 is connected with the lifting chain two 14, the inside of the vertical column 4 is provided with a through hole two, the lifting chain two 14 passes through the inside of the through hole two, the through hole two can make a segment of the lifting chain two 14 always keep vertical during movement, thereby ensuring the stability of lifting, the inside of the bottom cross bar 1 is provided with two symmetrical electric moving wheels 22, the electric moving wheels 22 can move the whole device and the vacuum cover 20 to a suitable position, improve the versatility and flexibility of the whole device, the reinforcing rod 6 is welded between each vertical column 4 and the reinforcing connecting column 5, the reinforcing rod 6 can effectively ensure the stability of the connection between the vertical column 4 and the reinforcing connecting column 5, and ensure the stability of the whole device during transportation.

[0033] In the embodiment, first, the four electric moving wheels 22 at the bottom of the device are used to move the whole device to the top of the vacuum cover 20, then, the four connecting blocks 23 at the bottom of the lifting chain one 13 and the lifting chain two 14 are fastened to the connecting plate 21 of the vacuum cover 20 through nuts, so that the vacuum cover 20 is stably connected with the two lifting chains.

[0034] When the vacuum cover 20 is fixed, the hydraulic oil cylinder 12 is started, the hydraulic oil cylinder generates a pushing force, drives the cylinder connecting shaft 11 to move towards the connecting rotating shaft 8, in the process, the movement of the cylinder connecting shaft 11 drives the rotation of the rotating arm 9 around the connecting rotating shaft 8, and the rotating arm 9 further drives the synchronous rotation of the fixed anchor point 10, when the fixed anchor point 10 rotates, the lifting chain one 13 and the lifting chain two 14 are simultaneously pulled towards the connecting rotating shaft 8, it is worth mentioning that the connecting rotating shaft 8 is designed to ensure that the two rotating arms 9 can keep high synchronism during rotation, thereby ensuring the coordination of the lifting chain one 13 and the lifting chain two 14, finally, the vacuum cover 20 is stably and horizontally lifted.

[0035] When the vacuum cover 20 is successfully lifted to the required height, the electric moving wheels 22 at the bottom are used again to accurately move to the predetermined position, finally, the vacuum cover 20 is stably lowered to the target position by reversing the operation of the hydraulic oil cylinder 12, i.e. resetting operation.

[0036] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A vacuum lid lifter for metallurgy, characterized by, The utility model provides a kind of vacuum lifting device, including two bottom crossbars (1) and vacuum cover (20) of symmetrical arrangement, the top of one of the bottom crossbars (1) is fixedly connected with two vertical column one (2) of symmetrical arrangement by screw, the top of another bottom crossbar (1) is fixedly connected with two vertical column two (3) of symmetrical arrangement by screw, the top of vertical column one (2) and vertical column two (3) is fixedly connected with longitudinal vertical column (4) by screw, the inside of longitudinal vertical column (4) is provided with reinforcing connecting column (5), one side of longitudinal vertical column (4) is fixedly connected with rotating shaft fixing frame (7) by screw; The inside of two rotating shaft fixing frames (7) is rotatably installed with connecting rotating shaft (8) in common, the outer circumferential surface of connecting rotating shaft (8) is fixedly provided with two rotating arms (9) of symmetrical arrangement, the inside of rotating arm (9) is movably hinged with fixed anchor point (10), one side of anchor point is fixedly connected with one end of lifting chain one (13) and lifting chain two (14) respectively; The top of longitudinal vertical column (4) is fixedly connected with rotating wheel fixing frame one (15) and rotating wheel fixing frame two (16) by screw respectively, the top of rotating wheel fixing frame one (15) is fixedly connected with oil cylinder fixing seat (17) by screw, the top of oil cylinder fixing seat (17) is installed with hydraulic oil cylinder (12), the output end of hydraulic oil cylinder (12) is fixedly connected with cylinder connecting shaft (11) by screw, cylinder connecting shaft (11) is rotatably installed in the inside of rotating arm (9); The outer circumferential surface of vacuum cover (20) is welded with four connecting plates (21) of two two symmetrical arrangement, the inside of connecting plate (21) is provided with threaded hole, the other end of lifting chain one (13) and lifting chain two (14) is welded with connecting block (23), the outer circumferential surface of connecting block (23) is provided with thread, connecting block (23) is threadedly connected in the inside of threaded hole.

2. A vacuum cover lifting device for metallurgy according to claim 1, characterized in that, Rotating wheel one (18) is rotatably installed in the inside of rotating wheel fixing frame one (15), rotating wheel one (18) and lifting chain one (13) are engagedly connected, the inside of longitudinal vertical column (4) is provided with through hole one, lifting chain one (13) passes through the inside of through hole one.

3. The vacuum cover lifting device for metallurgy according to claim 1, characterized in that, Rotating wheel two (19) is rotatably installed in the inside of rotating wheel fixing frame two (16), rotating wheel two (19) and lifting chain two (14) are engagedly connected, the inside of longitudinal vertical column (4) is provided with through hole two, lifting chain two (14) passes through the inside of through hole two.

4. The vacuum cover lifting device for metallurgy according to claim 1, characterized in that, The inside of bottom crossbar (1) is provided with two electric moving wheels (22) of symmetrical arrangement.

5. The vacuum cover lifting device for metallurgy according to claim 1, characterized in that, Reinforcing rod (6) is welded in common between each longitudinal vertical column (4) and reinforcing connecting column (5).

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