CN218192534U

CN218192534U - Transfer trolley for casting ladle in front of submerged arc furnace

Info

Publication number: CN218192534U
Application number: CN202222548031.3U
Authority: CN
Inventors: 张官正; 刘生丽; 秦国鹏; 王艳艳; 王义翠; 华娟; 朱前进
Original assignee: Zhongke Zixin Gansu Technology Co ltd
Current assignee: Zhongke Zixin Gansu Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-03
Anticipated expiration: 2032-09-26

Abstract

The utility model provides a hot stove stokehold casting ladle transportation dolly in ore deposit belongs to ferroalloy casting equipment field. The ladle transfer trolley comprises a rack and a track wheel set arranged at the bottom of the rack, wherein a rotating mechanism is connected to the rack in a rotating mode, a bearing disc used for bearing a ladle is arranged above the rotating mechanism, the bearing disc is installed on the rotating mechanism through a lifting mechanism, and ladle locking mechanisms for locking the ladle are symmetrically arranged on the bearing disc. The ladle transfer trolley for casting in front of the submerged arc furnace avoids manual transfer of ladles, and reduces labor intensity; the angle and the height of the iron tap hole of the ladle can be adjusted by controlling the rotating mechanism and the lifting mechanism, so that the ladle can be conveniently tipped by the tipping device to pour molten iron into the ingot mould after the ladle is accurately butted with the tipping device through the rail running to the tipping device.

Description

Transfer trolley for casting ladle in front of submerged arc furnace

Technical Field

The utility model belongs to ferroalloy casting equipment field, in particular to hot stove stokehold casting ladle of ore deposit transports dolly.

Background

In the process of casting ferroalloy in a submerged arc furnace, a ladle casting mode is a mode generally adopted in China. The traditional ladle casting is that the alloy discharged from the tapping hole of the electric furnace is firstly contained in the ladle, then the ladle is lifted to a casting machine by a crane for casting, and the ladle is leaked in the lifting process of the crane, which can cause the burning of nearby operators, the damage of key equipment and fire accidents; the crown block worker operates the crown block to lift the ladle frequently between each station and put down, so that the phenomena of high-altitude falling and the like exist, and the potential safety hazard is large.

The patent of grant publication No. CN214517567U provides a molten iron transfer dolly for miniature smelting furnace, and this dolly can realize the transfer of molten iron, also can realize the casting of molten iron, and during the molten iron casting, molten iron whereabouts position is accurate, nevertheless adopts the manual work to promote the dolly and remove, and operating personnel intensity of labour is higher, and the flue gas that the high temperature molten iron produced has also caused harm to operating personnel's healthy. CN112846164B provides a molten iron transportation assembly line, which reduces frequent movement of overhead transportation and increases safety, wherein the sub-cars are used for supporting the ladle and run on the rail, so as to avoid manual pushing; the sub-car adopts the first support bracket provided with the positioning groove to support the ladle, so that the stability of the ladle during the operation of the sub-car is ensured, and the ladle is fixed with the handle when being arranged on the sub-car, so that the angle and the height of the ladle outlet are difficult to adjust, and a lifting device is required to place the ladle on the dumper.

Disclosure of Invention

The utility model discloses to the problem that is difficult to adjust tap hole angle and height after current ladle transfer car bears the ladle, provide a hot stove stokehold of ore deposit casting ladle transfer car, this ladle transfer car can adjust the angle and the height of ladle tap hole above that, is convenient for tumble through tipping device and tumble with the molten iron pouring into the ingot mould through tipping device to tipping device department after the accurate butt joint of tipping device through the rail motion.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a hot stove stokehold casting ladle transports dolly in front of stove of ore deposit, includes the track wheelset that frame, frame bottom set up, rotates in the frame and is connected with rotary mechanism, and the rotary mechanism top is equipped with the bearing disc that is used for bearing the weight of the ladle, bears the weight of the dish and passes through elevating system and install on rotary mechanism, bears the weight of the symmetry and is provided with the lock package mechanism of locking the ladle on the dish.

Furthermore, the rotating mechanism comprises a rotating disk, a gear and a driving motor, an outer gear ring is fixedly arranged on the outer side face of the rotating disk, the outer gear ring is meshed with the gear, the driving motor is fixed to the bottom of the rack, and an output shaft of the driving motor is fixedly connected with the gear. The rotating mechanism drives the bearing plate bearing the foundry ladle to rotate, and the angle of the foundry ladle taphole can be adjusted.

Furthermore, the lifting mechanism comprises a plurality of first hydraulic cylinders which are symmetrically arranged, the cylinder bodies of the first hydraulic cylinders are fixed on the rotating disc, and the upper ends of the piston rods of the first hydraulic cylinders are fixedly connected with the supporting lugs which are symmetrically arranged on the outer side of the bearing disc. The lifting mechanism drives the bearing plate bearing the ladle to ascend or descend, the height of the ladle can be adjusted, the ladle can be conveniently and accurately butted with the tipping device, and the ladle is placed on the tipping device.

Furthermore, a weighing pressure sensor is arranged between the first hydraulic cylinder piston rod and the supporting lug. The weighing pressure sensor is used for weighing the weight of the ladle in real time.

Furthermore, lock package mechanism includes the second pneumatic cylinder of a plurality of symmetry settings, and the second pneumatic cylinder is fixed in and bears the dish lateral wall, and inside the second pneumatic cylinder piston rod stretched into and bears the dish, and be connected with lock package clamping piece. The ladle locking mechanism ensures that the ladle is more stably kept on the bearing plate.

Preferably, the lock bag clamping piece is arc-shaped.

Preferably, the surface of the ladle locking clamping sheet, which is in contact with the ladle, is provided with anti-skid stripes.

Furthermore, a traction seat used for being connected with a traction trolley is arranged on the front side of the machine frame.

Furthermore, a position sensor is arranged on the machine frame.

The utility model has the beneficial technical effects that: the ladle transfer trolley for casting in front of the submerged arc furnace avoids manual transfer of ladles, and reduces labor intensity; the angle and the height of the tapping hole of the ladle can be adjusted by controlling the rotating mechanism and the lifting mechanism, so that the ladle can be conveniently tipped through the tipping device to pour molten iron into the ingot mould after the ladle is accurately butted with the tipping device through the rail running to the tipping device.

Drawings

FIG. 1 is a schematic three-dimensional structure diagram of a transfer trolley for a casting ladle in front of a submerged arc furnace according to an embodiment of the present invention;

FIG. 2 is a top view of a transfer trolley for a ladle before a submerged arc furnace according to an embodiment of the present invention;

FIG. 3 is a right side view of the transfer trolley for the casting ladle in front of the submerged arc furnace according to an embodiment of the present invention;

FIG. 4 is a front view of a transfer trolley for a casting ladle in front of a submerged arc furnace according to an embodiment of the present invention;

reference numerals: the method comprises the following steps of 1-a frame, 2-a rotating disc, 3-an outer gear ring, 4-a bearing disc, 401-a supporting lug, 5-a first hydraulic cylinder, 6-a bag locking clamping piece, 7-a second hydraulic cylinder, 8-a gear, 9-a position sensor, 10-a traction seat, 11-a track wheel set, 12-a driving motor and 13-a weighing pressure sensor.

Detailed Description

In order to more clearly illustrate the technical solutions and technical effects of the present invention, the present invention will be clearly and completely explained by embodiments with reference to the accompanying drawings of the specification. It should be understood that the embodiments described herein are only intended to illustrate some embodiments of the present invention, and not all embodiments, and the technical features related to the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

It will be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It should be noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," and "disposed" are intended to be broadly construed, and include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, mechanically connected, and electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in the foregoing accompanying drawings 1-4, the transfer trolley for casting the ladle in front of the submerged arc furnace in the embodiment includes a frame 1, and a track wheel set 11 disposed at the bottom of the frame 1, wherein a rotating mechanism is rotatably connected to the frame 1, a bearing plate 4 for bearing the ladle is disposed above the rotating mechanism, the bearing plate 4 is mounted on the rotating mechanism through a lifting mechanism, and ladle locking mechanisms for locking the ladle are symmetrically disposed on the bearing plate 4.

In the embodiment, the bearing plate 4 bearing the ladle is driven to rotate by the rotating mechanism, so that the angle of the ladle taphole can be adjusted; the lifting mechanism drives the bearing plate 4 bearing the ladle to ascend or descend, the height of the ladle can be adjusted, the ladle can be conveniently and accurately butted with the tipping device, and the ladle is placed on the tipping device.

A transfer track is arranged between a pouring ladle transfer trolley in front of an ore smelting furnace and a tipping device, ferroalloy in the ore smelting furnace flows into a ladle, the ladle can be hung in a bearing plate 4 through a crown block, a second hydraulic cylinder 7 drives a ladle locking clamping piece 6 to tightly clamp the ladle, the ladle transfer trolley runs on the transfer track to the tipping device, the bearing plate 4 bearing the ladle is driven to rotate through a rotating mechanism, the angle of a taphole is adjusted, meanwhile, the position of a trunnion on the ladle is adjusted, the height of the ladle is finely adjusted through a lifting mechanism, the trunnion of the ladle is conveniently and accurately placed on the tipping device, and the ladle is poured into an ingot mold after the tipping device tips the ladle. In a preferred embodiment, the transfer track is laid in front of the tapping hole of the submerged arc furnace, and the ladle transfer trolley for bearing the empty ladle directly moves to the position below the tapping hole of the submerged arc furnace to receive molten iron without hoisting by an overhead travelling crane.

Specifically, the rotating mechanism comprises a rotating disk 2, a gear 8 and a driving motor 12, an outer gear ring 3 is fixedly arranged on the outer side face of the rotating disk 2, the outer gear ring 3 is meshed with the gear 8, the driving motor 12 is fixed to the bottom of the rack 1, and an output shaft of the driving motor 12 is fixedly connected with the gear 8.

Specifically, the lifting mechanism comprises a plurality of first hydraulic cylinders 5 which are symmetrically arranged, the cylinder bodies of the first hydraulic cylinders 5 are fixed on the rotating disc 2, and the upper ends of the piston rods of the first hydraulic cylinders 5 are fixedly connected with the supporting lugs 401 which are symmetrically arranged on the outer side of the bearing disc 4.

In this embodiment, the number of the first hydraulic cylinders 5 is set to 4.

Specifically, lock package mechanism includes the second pneumatic cylinder 7 that a plurality of symmetries set up, and second pneumatic cylinder 7 is fixed in and bears 4 lateral walls of dish, and inside the second pneumatic cylinder 7 piston rod stretched into and bears 4 dishes, and be connected with lock package splint 6. The ladle locking mechanism ensures that the ladle is more stably held on the carrier plate 4.

In this embodiment, the number of the second hydraulic cylinders 7 is set to 2.

Specifically, a weighing pressure sensor 13 is arranged between the piston rod of the first hydraulic cylinder 5 and the support lug 401. The weighing pressure sensors 13 are used for weighing the weight of the ladle in real time, and the number of the weighing pressure sensors 13 is set to be 4.

In this embodiment, the ladle locking clamping piece 6 is arc-shaped, and the surface of the ladle locking clamping piece 6, which is in contact with a ladle, is provided with anti-skid stripes.

Specifically, a traction seat 10 used for being connected with a traction trolley is arranged on the front side of the machine frame 1. Besides the operation of the ladle transfer trolley of the embodiment, the transfer track is also provided with a tractor which is used as a power source to pull the ladle transfer trolley of the embodiment to operate along the transfer track. The tractor can adopt a trolley line power supply mode to supply power by safe voltage.

As another driving mode, a power system, such as a power motor, may be independently disposed on the frame 1 of the ladle transfer trolley of this embodiment, a driven wheel is disposed on the rotating shaft of the track wheel set 11 on the front side or the rear side, the frame 1 is disposed with the power motor, and a driving wheel engaged with the driven wheel is disposed on the output shaft of the power motor.

Specifically, the frame 1 is provided with a position sensor 9, and the distance is monitored through the position sensor 9 to position the ladle transfer trolley.

In the utility model, the frame 1 is also provided with a control module, the control module identifies and controls the position sensor 9, the weighing pressure sensor 13 and the driving motor 12, and the control module adopts a PLC controller; the frame 1 is further provided with a hydraulic pump station which is connected with the first hydraulic cylinder 5 and the second hydraulic cylinder 7 through oil pipes to form a hydraulic system, and the PLC is further connected with the hydraulic pump station through a control cable.

The utility model discloses a hot stove in ore deposit stokehold casting ladle transportation dolly's theory of operation: the ladle transfer trolley carrying the empty ladle runs to a taphole of the submerged arc furnace along a transfer track to receive molten iron, the weighing pressure sensor 13 collects the weight of the ladle in real time, the taphole of the submerged arc furnace stops the molten iron flowing out when the preset load capacity of the ladle is reached, the ladle transfer trolley runs along the transfer track, the position sensor 9 collects positioning information, the ladle transfer trolley drives the bearing plate 4 carrying the ladle to rotate through the rotating mechanism before running to the tipping device, the position of a trunnion on the ladle is well adjusted, the height of the ladle is finely adjusted through the lifting mechanism, the trunnion of the ladle is conveniently and accurately placed on the tipping device, and the molten iron is poured into an ingot mold after the ladle is tipped by the tipping device.

Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The embodiments of the present invention are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are also included in the protection scope of the present invention.

Claims

1. The utility model provides a hot stove stokehold casting ladle transport dolly which characterized in that of ore deposit: the ladle locking mechanism comprises a rack and a track wheel set arranged at the bottom of the rack, wherein a rotating mechanism is connected to the rack in a rotating mode, a bearing disc used for bearing a ladle is arranged above the rotating mechanism, the bearing disc is installed on the rotating mechanism through a lifting mechanism, and ladle locking mechanisms for locking the ladle are symmetrically arranged on the bearing disc.

2. The submerged arc furnace stokehold casting ladle transfer trolley according to claim 1, characterized in that: the rotating mechanism comprises a rotating disk, a gear and a driving motor, an outer gear ring is fixedly arranged on the outer side face of the rotating disk and meshed with the gear, the driving motor is fixed to the bottom of the rack, and an output shaft of the driving motor is fixedly connected with the gear.

3. The submerged arc furnace stokehold casting ladle transfer trolley according to claim 2, characterized in that: the lifting mechanism comprises a plurality of first hydraulic cylinders which are symmetrically arranged, the cylinder bodies of the first hydraulic cylinders are fixed on the rotating disc, and the upper ends of the piston rods of the first hydraulic cylinders are fixedly connected with the supporting lugs which are symmetrically arranged on the outer side of the bearing disc.

4. The submerged arc furnace stokehold casting ladle transfer trolley according to claim 3, characterized in that: a weighing pressure sensor is arranged between the first hydraulic cylinder piston rod and the supporting lug.

5. The submerged arc furnace stokehold casting ladle transfer trolley according to claim 4, characterized in that: the lock package mechanism comprises a plurality of second hydraulic cylinders which are symmetrically arranged, the second hydraulic cylinders are fixed on the side wall of the bearing plate, and piston rods of the second hydraulic cylinders stretch into the interior of the bearing plate and are connected with lock package clamping pieces.

6. The submerged arc furnace stokehold casting ladle transfer trolley according to claim 5, characterized in that: the lock bag clamping piece is arc-shaped.

7. The submerged arc furnace stokehold casting ladle transfer trolley according to claim 6, characterized in that: and anti-skid stripes are arranged on the surface of the ladle locking clamping sheet, which is in contact with the ladle.

8. The submerged arc furnace stokehold casting ladle transfer trolley according to claim 1, characterized in that: and a traction seat used for being connected with a traction trolley is arranged on the front side of the rack.

9. The submerged arc furnace stokehold casting ladle transfer trolley according to claim 1, characterized in that: and a position sensor is arranged on the frame.