CN220788829U - Double-brake winch type aluminum electrolysis slag-removing device - Google Patents

Abstract

The utility model relates to a double-brake winch type aluminum electrolysis slag-removing device, which comprises a winch component arranged on the upper side of a frame body, wherein the winch component comprises a winch motor, a transmission box, a steel wire rope reel and two brake devices, the power input end of the transmission box is connected with the output shaft of the winch motor, the power output end of the transmission box is connected with the rotating shaft of the steel wire rope reel, the two brake devices are respectively arranged on two sides of the transmission box and sleeved on the output shaft of the winch motor, a reel supporting seat is arranged on the frame body, the rotating shaft of the steel wire rope reel far away from one side of the transmission box is rotatably arranged on the reel supporting seat, a plurality of mounting seats are arranged on the frame body, and the winch motor, the transmission box, the brake devices and the reel supporting seat are respectively arranged on the corresponding mounting seats. The utility model adopts the winch assembly to drive the slag dragging mechanism to lift and utilizes the two braking devices to realize the braking of the winch assembly, thereby not only meeting the production load requirement, but also ensuring the production safety.

Description

Double-brake winch type aluminum electrolysis slag-removing device

Technical Field

The utility model relates to the field of aluminum electrolysis, in particular to a double-brake winch type aluminum electrolysis slag-fishing device.

Background

In the production process of electrolytic aluminum, when the anode is replaced, the anode scrap is required to be pulled out, an irregular block-shaped solid electrolyte block mixed in electrolyte liquid in the area is fished out by utilizing a slag scooping device, the slag scooping device in the prior art mainly utilizes an electric hoist to control a slag scooping mechanism to lift and utilizes a cylinder to control a grab bucket to open and close, for example, a Chinese patent with an authorized bulletin number of CN201406281Y discloses an aluminum electrolysis multifunctional crown block grab bucket horizontal slag scooping device, an electric hoist motor of the device adopts a special variable frequency motor, the electric hoist motor is controlled by the variable frequency motor to carry out stepless speed regulation, and an absolute value encoder is additionally arranged on the electric hoist motor to realize accurate control on the lifting stroke of the slag scooping device.

However, as the yield of electrolytic aluminum is larger and larger, the slag dragging device adopting the electric hoist is often in an operation state close to full load, for example, the total weight of a lifting mechanism of the existing slag dragging device of the electric hoist is usually about 4500kg, the weight of the electrolytic tank for pole changing slag dragging is about 300-500kg, the rated load of the electric hoist is only 50KN (5.1 tons), thus the motor of the electric hoist is easy to fail, the electric hoist and other devices are usually arranged on a movable crown block, the installation space of the electric hoist is limited, the electric hoist with larger rated load specification cannot be replaced, and the electric hoist is usually internally provided with a single braking device, and as the load of the electric hoist is larger and larger, the single braking mode easily causes braking failure, so that a slag mechanism grab bucket is out of control, and if the grab bucket made of manganese steel material is soaked in high-temperature electrolyte of 900 ℃ in the electrolytic tank for a long time, the grab bucket is damaged, a large amount of iron element is dissolved into the electrolytic tank, and the original aluminum liquid is polluted, so that quality accidents are caused. Moreover, as shown in fig. 4, the devices such as a wire rope winch, a large motor, a small motor, a brake and the like of the existing electric hoist are usually integrally arranged, once the electric hoist is in failure, the whole electric hoist needs to be removed, maintenance is inconvenient, production is affected, the wire rope winch is generally in a sealed arrangement, and a worker cannot intuitively observe the abrasion condition of the wire rope.

Disclosure of utility model

The utility model aims to provide a double-brake winch type aluminum electrolysis slag dragging device, which adopts a winch assembly to replace an electric hoist to drive a slag dragging mechanism to lift, and utilizes two brake devices to realize the braking of a winch assembly, thereby not only meeting the production load requirement, but also ensuring the production safety.

The aim of the utility model is realized by the following technical scheme:

The utility model provides a two braking hoist engine formula aluminium electroloysis drags out sediment device, includes support body, fixed casing, lifting shell, cylinder and drags out sediment grab bucket, and wherein fixed casing sets firmly in the support body downside, and lifting shell locates in the fixed casing, and lifting shell downside is equipped with drags out sediment grab bucket, and lifting shell inside is equipped with the cylinder, and the cylinder through drag out sediment guide arm with drag out sediment grab bucket and be connected, still including locating the hoist engine subassembly of support body upside, hoist engine subassembly includes hoist motor, transmission case, wire rope reel and two arresting gear, and wherein the power input of transmission case is connected with hoist motor's output shaft, and the power output of transmission case is connected with the pivot of wire rope reel, and two arresting gear divide to locate the transmission case both sides and cover are arranged in on hoist motor's output shaft, be equipped with the reel supporting seat on the support body, and wire rope reel keep away from the pivot of transmission case one side is rotated and is located on the reel supporting seat, be equipped with a plurality of mount pads on the support body, and hoist motor, transmission case, arresting gear and reel supporting seat are located respectively on the corresponding mount pad.

The installation seat is adjustably arranged on the frame body, the hoisting motor, the braking device and the power input end of the transmission case are arranged in a line, and the wire rope winding drum is arranged in parallel with the hoisting motor.

The frame body is provided with a plurality of groups of fixing screw holes, and the mounting seat is fixed on a corresponding group of fixing screw holes through fastening bolts.

An insulating pad is arranged on the upper side of the mounting seat.

The output shaft of the winch motor comprises a shaft rod part, one end of the shaft rod part is connected with the power output end of the winch motor, the two ends of the shaft rod part are respectively provided with a holding part, and the braking devices are respectively matched with the holding parts on the corresponding sides.

The two enclasping parts are all shaft couplings.

Lifting guide wheels are arranged on two sides of the lifting shell and are respectively matched with lifting guide rails on the inner walls of the corresponding sides of the fixed shell.

The tail end of the air cylinder is provided with a tail connecting seat which is connected with a connecting seat arranged in the upper end of the lifting shell, the head end of the air cylinder head of the air cylinder is provided with a connector which is connected with the slag dragging guide rod, the lower end of the lifting shell is provided with a guide rod jacket, and the slag dragging guide rod penetrates through the guide rod jacket and then is connected with the slag dragging grab bucket.

The slag dragging grab bucket is characterized in that a grab bucket seat is arranged at the upper end of the slag dragging grab bucket, the lower end of the guide rod outer sleeve is connected with the grab bucket seat, the upper ends of grab bucket parts at two sides of the slag dragging grab bucket are respectively hinged with the corresponding end parts of the grab bucket seat through grab bucket hinge shafts, the lower end of the slag dragging guide rod is hinged with two grab bucket connecting rods, and the other ends of the grab bucket connecting rods are respectively hinged with grab bucket parts at corresponding sides.

The utility model has the advantages and positive effects that:

1. The utility model adopts the winch assembly to replace an electric hoist in the prior art for driving the slag dragging mechanism to lift, and utilizes the two braking devices to realize the braking of the winch assembly, thereby not only meeting the production load requirement, but also ensuring the production safety, and simultaneously meeting the installation space requirement of the movable crown block.

2. Each part of the winch assembly is respectively arranged on the corresponding installation seat on the frame body, so that when one part fails, the worker can only remove the part for transferring and maintaining and replace the part in time, thereby reducing the influence on the production progress to the greatest extent.

3. According to the utility model, a worker can firstly adjust the positions of each mounting seat on the frame body according to the size and specification of each device, so that the coordination among all parts after the installation is ensured, and as the winch motor, the power input end of the transmission case and the braking device are arranged in a line, the connection of the parts and the braking position of the braking device can be ensured by adjusting the left and right positions of the winch motor, the transmission case and the braking device during the installation, and the wire rope drum and the winch motor are arranged in parallel, and the installation of the wire rope drum can be completed by matching the power output end of the transmission case by adjusting the left and right positions of the drum support seat during the installation.

Drawings

Figure 1 is a front view of the present utility model,

Figure 2 is a top view from a in figure 1,

Figure 3 is a schematic driving view of the slag grab of figure 1,

Fig. 4 is a top view of an electric hoist installation of a prior art slag scooping device.

Wherein 1 is a steel wire rope reel, 2 is a hoisting motor, 201 is a shaft rod part, 202 is a holding part, 3 is a transmission case, 4 is a braking device, 5 is a frame body, 501 is an installation seat, 6 is a steel wire rope connecting piece, 7 is a cylinder, 701 is a tail connecting seat, 702 is a connector, 8 is a slag dragging guide rod, 9 is a guide rod jacket, 10 is a slag dragging grab bucket, 11 is a slag dragging shield, 12 is a fixed shell, 13 is a lifting shell, 14 is a lifting guide wheel, 15 is a reel supporting seat, 16 is a grab bucket seat, 17 is a grab bucket hinge shaft, 18 is a grab bucket connecting rod, 19 is a small motor, 20 is a large motor, and 21 is an electric hoist installing frame.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model comprises a frame body 5, a winch assembly, a fixed shell 12, a lifting shell 13, an air cylinder 7 and a slag scooping grab bucket 10, wherein the winch assembly is arranged on the upper side of the frame body 5, and as shown in fig. 2, the winch assembly comprises a winch motor 2, a transmission case 3, a wire rope winding drum 1 and two braking devices 4, wherein the power input end of the transmission case 3 is connected with the output shaft of the winch motor 2, the power output end of the transmission case 3 is connected with the rotating shaft of the wire rope winding drum 1, the two braking devices 4 are respectively arranged on two sides of the transmission case 3 and sleeved on the output shaft of the winch motor 2, the braking devices 4 are used for braking by tightly holding the output shaft of the winch motor 2, the fixed shell 12 is fixedly arranged on the lower side of the frame body 5, the lifting shell 13 is arranged in the fixed shell 12 in a lifting manner, the upper end of the lifting shell 13 is connected with the wire rope output by the wire rope winding drum 1, the lower side of the lifting shell 13 is provided with the slag scooping grab bucket 10, the inside the lifting shell 13 is provided with the air cylinder 7, and the slag scooping portion 7 is connected with the slag scooping grab bucket 10 by a guide rod 8. The utility model utilizes the winch assembly to drive the lifting shell 13 to lift, the lifting rated load is greatly improved, and the utility model utilizes the two braking devices 4 to realize the braking of the winch motor 2, so that the situation that braking failure cannot occur can be ensured, and meanwhile, the winch assembly can also meet the installation space requirement of the movable overhead travelling crane. In this embodiment, the braking device 4 may be a three-phase hydraulic pusher with model ED-30/5 to achieve hugging braking, and the transmission case 3 is a gear transmission case.

As shown in fig. 2, a reel supporting seat 15 is provided on one side of the frame 5, and the rotating shaft on one side of the wire rope reel 1 far away from the transmission case 3 is rotatably provided on the reel supporting seat 15 through a bearing support. In this embodiment, as shown in fig. 1, the frame 5 is provided with a plurality of mounting seats 501, and the hoisting motor 2, the transmission case 3, the braking device 4 and the reel supporting seat 15 are respectively arranged on the corresponding mounting seats 501, so that when a certain part fails, a worker can only dismantle, transfer and repair the part and replace the part in time, each mounting seat 501 is adjustably arranged on the frame 5, so that when the hoisting machine is installed, the worker can adjust the positions of each mounting seat 501 according to the size and specification of each device, and further ensure the fit between each part after the installation, and as shown in fig. 2, the hoisting motor 2, the power input end of the transmission case 3 and the braking device 4 are arranged in a line, so that the connection of the part and the braking position of the braking device 4 can be ensured only by adjusting the left and right positions of the hoisting motor 2, the transmission case 3 and the braking device 4, and the wire rope reel 1 and the hoisting motor 2 are arranged in parallel, and the wire rope reel 1 can be installed only by adjusting the left and right positions of the reel supporting seat 15 and the power output end of the transmission case 3.

According to the utility model, a proper mounting seat 501 adjusting mode can be selected according to actual needs, for example, a plurality of groups of fixing screw holes can be formed on corresponding cross beams of the frame body 5 according to the specification of each device, so that when the mounting seat 501 is fixed on a corresponding group of fixing screw holes through fastening bolts after the position of the mounting seat 501 is determined and the device on the mounting seat 501 fails, the mounting seat 501 and the device on the mounting seat 501 can be transferred for maintenance together by detaching the fastening bolts, and meanwhile, a new device is fixed in situ through the mounting seat 501 on the lower side of the new device, other parts do not need to be moved, and in addition, an insulating pad is arranged on the upper side of the mounting seat 501 to play an insulating protection role.

As shown in fig. 2, in this embodiment, the output shaft of the winding motor 2 includes a shaft portion 201 with one end connected to the power output end of the winding motor 2, and two ends of the shaft portion 201 are provided with enclasping portions 202, and the braking device 4 is respectively engaged with the enclasping portions 202 on the corresponding sides to implement braking. In this embodiment, the two enclasping portions 202 may each be a coupling, where one end of the shaft portion 201 may be directly connected to the power output end of the hoisting motor 2 through the coupling on the corresponding side, and the two braking devices 4 and the two couplings are all of the same specification, and as shown in fig. 2, during installation, the distances between the two braking devices 4 and the center line of the transmission case 3 may be symmetrically equal by adjusting the positions of the respective mounting seats 501, so as to ensure that enclasping forces on two sides of the shaft portion 201 are balanced.

In this embodiment, as shown in fig. 1, lifting guide wheels 14 are disposed on two sides of the lifting housing 13, and the lifting guide wheels 14 are matched with lifting guide rails on two sides of the inner wall of the fixed housing 12, so as to realize lifting sliding guide connection between the lifting housing 13 and the fixed housing 12, in addition, a wire rope connector 6 is disposed at the upper end of the lifting housing 13 and connected with a wire rope output from the wire rope drum 1, and the wire rope drum 1 winds up or releases the wire rope to drive the lifting housing 13 to lift.

In this embodiment, as shown in fig. 1 and 3, a tail connecting seat 701 is provided at the tail end of the air cylinder 7 and connected with a connecting seat provided in the upper end of the lifting housing 13, a connecting head 702 is provided at the head end of the air cylinder 7 and connected with the slag dragging guide rod 8, and as shown in fig. 1, a guide rod jacket 9 is provided at the lower end of the lifting housing 13, and the slag dragging guide rod 8 is connected with the slag dragging grab bucket 10 after passing through the guide rod jacket 9.

In this embodiment, as shown in fig. 3, the upper end of the slag-fishing grab bucket 10 is provided with a grab bucket seat 16, and the lower end of the guide rod outer sleeve 9 is connected with the grab bucket seat 16, the upper ends of the grab bucket parts on two sides of the slag-fishing grab bucket 10 are respectively hinged with the corresponding end parts of the grab bucket seat 16 through grab bucket hinge shafts 17, the lower end of the slag-fishing guide rod 8 is hinged with two grab bucket connecting rods 18, and the other ends of the grab bucket connecting rods 18 are respectively hinged with the grab bucket parts on the corresponding sides, and the slag-fishing guide rod 8 drives the grab bucket parts on two sides to open or close through the two grab bucket connecting rods 18.

As shown in fig. 1, the upper end of the fixed housing 12 is fixedly connected with the lower side of the frame 5, the frame 5 is arranged on the mobile crown block, and the lower end of the fixed housing 12 is provided with a slag scooping shield 11.

The working principle of the utility model is as follows:

As shown in fig. 4, the slag dragging device in the prior art adopts an electric hoist to realize lifting driving of the lifting shell 13, the electric hoist generally comprises a small motor 19 (a slow motor) and a large motor 20 (a fast motor), and the electric hoist is generally a built-in single braking device in the motor, and as the load of the electric hoist becomes larger and larger, the motor of the electric hoist often breaks down, and meanwhile, the problems of braking failure and the like easily occur, in addition, the devices such as a wire rope winch, the large motor 20, the small motor 19 and the like of the electric hoist are generally integrally arranged and arranged on the electric hoist mounting frame 21, once the electric hoist breaks down, the electric hoist mounting frame 21 can only be removed and integrally transferred for maintenance, at the moment, the slag dragging device can only be stopped, and the maintenance time is relatively long, which can affect the production progress, and in addition, the wire rope winch is generally in a sealed arrangement, a worker cannot intuitively observe the abrasion condition of the wire rope, and the electric hoist mounting frame 21 is arranged on the mobile crown block, the area of which is limited, and further, the installation space of the electric hoist is limited, and if the electric hoist is replaced with the electric hoist with a larger rated load.

And as shown in fig. 1-3, the lifting drive of the lifting shell 13 is realized by using the winch assembly to replace the existing electric hoist, wherein the lifting rated load of the winch assembly is greatly improved, slag dragging requirements in actual production can be met, the winch motor 2 output shaft of the winch assembly can realize holding braking through the braking devices 4 which are respectively arranged at two sides of the transmission case 3, the situation that braking failure and the like cannot occur can be ensured, the operation safety is ensured, and after the winch assembly is driven by the transmission case 3, the rotating speed of the wire rope drum 1 is relatively low, the on-site observation and control of workers are facilitated, meanwhile, the abrasion condition of the wire rope is more facilitated for the workers to observe so as to facilitate timely replacement, the installation space requirement of the movable crown block can be met, and the installation of each part of the winch assembly can be realized only by simply modifying the movable crown block of the existing slag dragging device.

In addition, as shown in fig. 1, the frame body 5 is provided with a plurality of adjustable mounting seats 501, the winch motor 2, the transmission case 3, the braking device 4 and the winding drum supporting seat 15 are respectively mounted on the corresponding mounting seats 501, so that when a certain part fails, a worker can only dismantle, transfer and repair the part and replace the part in time, the rest part does not need to move, thereby reducing the influence on the production progress to the greatest extent, and as shown in fig. 2, the power input ends of the winch motor 2, the transmission case 3 and the braking device 4 are arranged in a line, the connection of the parts and the braking position of the braking device 4 can be met only by adjusting the left and right positions of the winch motor 2, the transmission case 3 and the braking device 4, and the installation of the wire rope winding drum 1 and the winch motor 2 can be completed by only adjusting the left and right positions of the winding drum supporting seat 15 and matching the power output ends of the transmission case 3.

The utility model has the following concrete working procedures: after the slag scooping device moves to a designated position along with a crown block, a winch component starts to release a steel wire rope so that the lifting shell 13 descends together with the cylinder 7, the slag scooping grab bucket 10 and other devices, after the slag scooping device descends to the designated position (when the slag scooping grab bucket 10 is close to the electrolyte liquid level setting position), the cylinder 7 starts and drives two grab bucket parts of the slag scooping grab bucket 10 to open for slag scooping operation through the slag scooping guide rod 8, after slag scooping, the slag scooping grab bucket 10 firstly ascends to a position separated from the electrolyte liquid level and stays for 1-2 minutes, after electrolyte liquid and aluminum liquid are completely controlled out, the winch component restarts to retract the steel wire rope and drives the slag scooping grab bucket 10 to ascend to the designated position, and then the slag scooping device moves to a slag pan position along with the crown block to release electrolyte blocks.

The following examples of application and comparative examples are given to further illustrate the technical effects of the present utility model.

Comparative example 1:

Slag dragging device in electrolytic workshops of Xinjiang people ply companies is free of resetting of springs of braking devices of electric hoist motors to cause slipping of grab buckets, maintenance personnel use ropes to bind and fix the grab buckets, then integrally detach and lift the electric hoist to the ground, then transfer the electric hoist to a maintenance area to be maintained, and the whole maintenance process lasts approximately 8 hours, so that production delay is caused.

Comparative example 2:

Slag dragging device for electrolytic workshops of Xinjiang ply-stock limited companies causes that a grab bucket falls into an electrolytic tank due to braking failure, the grab bucket is soaked in high-temperature electrolyte for 1.5 hours, the grab bucket is melted and damaged in a large area to be scrapped, equipment loss is caused to be approximately 6 ten thousand yuan, in addition, compared with an original aluminum liquid sampling detection result in the tank in advance, iron element in the aluminum liquid after the grab bucket is soaked is greatly promoted, direct loss is caused to be 2.85 ten thousand yuan, and the quality recovery period of the electrolytic tank is 45 days.

Application example 1 of the present utility model:

the motor of the slag dragging device of the electrolysis shop of the Xinjiang ply company is burnt, because the double braking devices are used for protecting the slag dragging mechanism from sliding down after transformation, and maintenance personnel lifts the standby motor to finish repairing after removing the single-group motor, so that the whole maintenance process takes about 3 hours.

Claims (9)

1. The utility model provides a sediment device is dragged for in aluminium electrolysis of double brake hoist engine formula, includes support body, fixed casing, lifting casing, cylinder and drags for the sediment grab bucket, and wherein fixed casing sets firmly in the support body downside, and lifting casing locates in the fixed casing, and lifting casing downside is equipped with drags for the sediment grab bucket, and lifting casing inside is equipped with the cylinder, and the cylinder through drag for the sediment guide arm with drag for sediment grab bucket to connect, its characterized in that: including locating the hoist engine subassembly of support body (5) upside, hoist engine subassembly includes hoist motor (2), transmission case (3), wire rope reel (1) and two arresting gear (4), wherein the power input of transmission case (3) is connected with the output shaft of hoist motor (2), and the power take off of transmission case (3) is connected with the pivot of wire rope reel (1), and two arresting gear (4) divide to locate transmission case (3) both sides and cover and arrange in on the output shaft of hoist motor (2), be equipped with reel supporting seat (15) on support body (5), and wire rope reel (1) are kept away from the pivot rotation of transmission case (3) one side is located on reel supporting seat (15), be equipped with a plurality of mount pads (501) on support body (5), and hoist motor (2), transmission case (3), arresting gear (4) and reel supporting seat (15) are located respectively on corresponding mount pad (501).

2. The double-brake winch type aluminum electrolysis slag removing device according to claim 1, wherein: the installation seat (501) is adjustably arranged on the frame body (5), the hoisting motor (2), the braking device (4) and the power input end of the transmission case (3) are arranged in a line, and the wire rope winding drum (1) and the hoisting motor (2) are arranged in parallel.

3. The double-brake winch type aluminum electrolysis slag removing device according to claim 2, wherein: the frame body (5) is provided with a plurality of groups of fixing screw holes, and the mounting seat (501) is fixed on a corresponding group of fixing screw holes through fastening bolts.

4. The double-brake winch type aluminum electrolysis slag removing device according to claim 2, wherein: an insulating pad is arranged on the upper side of the mounting seat (501).

5. The double-brake winch type aluminum electrolysis slag removing device according to claim 1, wherein: the output shaft of hoist motor (2) includes axostylus axostyle portion (201), and axostylus axostyle portion (201) one end is connected with the power take off end of hoist motor (2), axostylus axostyle portion (201) both ends all are equipped with hug tightly portion (202), and arresting gear (4) respectively with the hug tightly portion (202) of corresponding side cooperation.

6. The double-brake winch type aluminum electrolysis slag removing device according to claim 5, wherein: the two enclasping parts (202) are both shaft couplings.

7. The double-brake winch type aluminum electrolysis slag removing device according to claim 1, wherein: lifting guide wheels (14) are arranged on two sides of the lifting shell (13), and the lifting guide wheels (14) are respectively matched with lifting guide rails on the inner walls of the corresponding sides of the fixed shell (12).

8. The double-brake winch type aluminum electrolysis slag removing device according to claim 1, wherein: the tail end of the air cylinder (7) is provided with a tail connecting seat (701) which is connected with a connecting seat arranged in the upper end of the lifting shell (13), the head end of the air cylinder (7) is provided with a connector (702) which is connected with the slag dragging guide rod (8), the lower end of the lifting shell (13) is provided with a guide rod jacket (9), and the slag dragging guide rod (8) passes through the guide rod jacket (9) and then is connected with the slag dragging grab bucket (10).

9. The double-brake winch type aluminum electrolysis slag removing device according to claim 8, wherein: the slag dragging grab bucket is characterized in that a grab bucket seat (16) is arranged at the upper end of the slag dragging grab bucket (10), the lower end of the guide rod jacket (9) is connected with the grab bucket seat (16), the upper ends of grab bucket parts at two sides of the slag dragging grab bucket (10) are hinged with corresponding end parts of the grab bucket seat (16) through grab bucket hinge shafts (17) respectively, the lower end of the slag dragging guide rod (8) is hinged with two grab bucket connecting rods (18), and the other ends of the grab bucket connecting rods (18) are hinged with grab bucket parts at corresponding sides respectively.