Automatic blowing device for converter steel ladle bottom blowing connecting base

Abstract

The utility model relates to the field of metallurgy, in particular to an automatic blowing device for a converter steel ladle bottom blowing connecting base. A walking frame is fixed to the platform on the side of the buggy ladle, a moving trolley is slidably connected into the walking frame, the top of the moving trolley is located above the walking frame, a driving mechanism connected with the moving trolley is arranged on one side of the walking frame, a rotating mechanism is arranged on a top plate of the moving trolley, and a blowing air pipe is arranged on the rotating mechanism. And the outer end of the purging air pipe is connected with a nozzle with a downward outlet. The device is installed on a platform on the side of the buggy ladle, when the buggy ladle is driven to the position where the device is located, the movable trolley is moved forwards to a purging position, an air source is opened, the rotating mechanism drives the purging air pipe to swing left and right, and then the connecting base can be purged cleanly, the device is easy to manufacture and convenient to operate, automatic advancing, retreating and rotating actions are achieved, the effect is ideal, and the practicability is high. And the labor intensity of workers is reduced while potential safety hazards are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical field, concretely is a converter ladle bottom blowing connection base automatic purging device. BACKGROUND

[0002] Metallurgical industry converter needs to blow argon in the ladle after smelting and tapping to homogenize the composition, generally adopts bottom blowing argon mode. The ladle bottom blowing argon adopts automatic connection equipment, installs the connection base in the ladle position of ladle car, and the connection base is designed to blow argon hole and install sealing ring, and the sealing ring prevents gas leakage, and when using, the ladle is directly seated on the connection base to open argon, and the steel slag falls in the connection base when the ladle is lifted from the ladle car, and the workers need to go up to the ladle car to clean the steel slag before putting the ladle on the ladle car, because the ladle car is narrow, and it is inconvenient for personnel to go up and down, and there is a security risk, and it also affects the ladle preparation time, so it is necessary to manufacture an automatic purging device to replace manual cleaning and eliminate the security risk and reduce the labor intensity of workers. SUMMARY

[0003] The utility model aims at solving the above-mentioned problem, and provides a converter ladle bottom blowing connection base automatic purging device which reduces the labor intensity of workers.

[0004] The utility model solves the problem by adopting the technical scheme of:

[0005] A converter ladle bottom blowing connection base automatic purging device is fixed on the platform on the side of the ladle car, the walking frame is slidably connected in the walking frame, the top of the moving trolley is located above the walking frame, the driving mechanism connected with the moving trolley is arranged on one side of the walking frame, the rotating mechanism is arranged on the top plate of the moving trolley, the blowing gas pipe is arranged on the rotating mechanism, and the outer end of the blowing gas pipe is connected with the nozzle with the outlet downward.

[0006] The utility model adopting the above technical scheme has the prominent features compared with the prior art:

[0007] The device is installed on the platform on the side of the ladle car, when the ladle car is opened to the position of the device, the moving trolley is advanced to the purging position, the gas source is opened, and the rotating mechanism drives the blowing gas pipe to swing left and right, so that the connection base can be blown clean, the equipment is simple to manufacture and easy to operate, realizes automatic advancing, retreating and rotating actions, has ideal effect, eliminates the security risk and reduces the labor intensity of workers.

[0008] As a preferred embodiment, the further technical scheme of the utility model is:

[0009] Further, the driving mechanism comprises a reduction motor arranged on the walking frame far from the ladle, a driving wheel is arranged on the output end of the reduction motor, a driven wheel is arranged in the walking frame and close to the ladle, a chain is arranged between the driving wheel and the driven wheel, and the top plate bottom surface of the moving trolley is fixed with the chain.

[0010] Further, an auxiliary idler is arranged at the bottom of the walking frame and at the bottom of the middle section of the chain.

[0011] Further, the rotating mechanism comprises an electric push rod attached to the top plate of the moving trolley, a base is hinged to one end of the electric push rod and fixed to the top plate of the moving trolley, a rotating seat is rotatably connected to the top plate of the moving trolley, a connecting lug is arranged on one side of the rotating seat and hinged to the output end of the electric push rod, and one side of the blowing air pipe is fixed in the rotating seat.

[0012] Further, at least two fixing plates are arranged on the top of the rotating seat along the length direction of the blowing air pipe, the two sides of the fixing plate are fixed to the rotating seat through bolts, a semicircular placing groove is arranged in the middle of the bottom surface of the fixing plate and buckled on the blowing air pipe.

[0013] Further, a baffle is arranged on the top of the end of the walking frame close to the ladle to limit the moving trolley.

[0014] Further, the length of the blowing air pipe is consistent with the trolley stroke. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the embodiment of the utility model;

[0016] Figure 2 It is a top view structural schematic diagram of the embodiment of the utility model;

[0017] In the drawing, the marks are as follows: walking frame 1, moving trolley 2, blowing air pipe 3, spray head 4, reduction motor 5, driving wheel 6, driven wheel 7, chain 8, auxiliary idler 9, electric push rod 10, rotating seat 11, fixing plate 12, baffle 13. DETAILED DESCRIPTION

[0018] The utility model will be further explained in combination with the embodiment, and the purpose is only to better understand the content of the utility model, therefore, the example does not limit the protection scope of the utility model.

[0019] The application discloses a kind of converter ladle bottom blowing connection base automatic purging device, walking frame 1 is fixed on the platform of ladle car side, walking frame 1 includes two opposite and notched inward small channel steel, connecting steel plate is arranged between the bottom of small channel steel to form a frame, slidingly connected with mobile trolley 2 in walking frame 1, mobile trolley 2 slides on the connecting steel plate of the bottom of small channel steel, the top of mobile trolley 2 is above walking frame 1, the top plate of mobile trolley 2 is larger than the plan view area of vehicle body, one side of walking frame 1 is provided with driving mechanism connected with mobile trolley 2, rotating mechanism is provided on the top plate of mobile trolley 2, purging gas pipe 3 is provided on rotating mechanism, one end of purging gas pipe 3 is connected with gas source, the outer end of purging gas pipe 3 is connected with outlet downward spray head 4, and spray head 4 is used to increase purging area.

[0020] Further, the driving mechanism includes a reduction motor 5 arranged on the side of the walking frame 1 away from the ladle, a driving wheel 6 is arranged on the output end of the reduction motor 5, a driven wheel 7 is arranged in the walking frame 1 close to the ladle, a chain 8 is arranged between the driving wheel 6 and the driven wheel 7, the top plate of the mobile trolley 2 is fixed with the chain 8, the chain 8 is a finished standard part, and three rows are adopted to increase the strength of the chain 8 and reduce the damage rate.

[0021] Further, an auxiliary idler 9 is arranged at the bottom of the walking frame 1 and at the bottom of the middle segment of the chain 8, which can provide support, keep the chain 8 running smoothly, and optimize the transmission effect.

[0022] Further, the rotating mechanism includes an electric push rod 10 attached to the top plate of the mobile trolley 2, one end of the electric push rod 10 is hinged with a base fixed to the top plate of the mobile trolley 2, the electric push rod 10 can swing around the base attached to the top plate, a rotating seat 11 is rotatably connected to the top plate of the mobile trolley 2, one side of the rotating seat 11 is provided with a connecting lug and is hinged with the output end of the electric push rod 10, one side of the purging gas pipe 3 is fixed in the rotating seat 11, the electric push rod 10 can swing the purging gas pipe 3 left and right through extension and retraction, and the whole connecting bottom plate can be completely purged.

[0023] Further, at least two fixed plates 12 are arranged on the top of the rotating seat 11 along the length direction of the purging gas pipe 3, the two sides of the fixed plate 12 are fixed with the rotating seat 11 through bolts, a semicircular placement groove is formed in the bottom surface of the fixed plate 12 and is buckled on the purging gas pipe 3, and the purging gas pipe 3 is fixed on the rotating seat 11 through a connecting plate.

[0024] Further, a baffle 13 is arranged on the top of the end of the walking frame 1 close to the ladle to limit the mobile trolley 2, the baffle 13 is a connecting plate arranged between the upper parts of the two small channel steels close to the ladle of the car side, and plays a role in limiting forward movement.

[0025] Further, the length of the blowing pipe 3 is consistent with the trolley stroke, and enough space is reserved for the side of the ladle trolley after returning to the original position.

[0026] The overall structure is installed on the platform on the side of the converter ladle trolley, the blowing pipe 3 is higher than the bottom blowing argon connecting base of the ladle trolley, the spray head 4 is vertically downward, the walking frame 1 positions and controls the linear walking of the moving trolley 2 in the walking frame 1, the auxiliary supporting roller 9 is installed at the bottom of the walking frame 1 as an auxiliary part of the chain 8 transmission, the moving trolley 2 is installed with four wheels to walk in the walking frame 1 driven by the chain 8 driven by the speed reducer 5, when the ladle trolley is opened to the position of the device, the moving trolley 2 is advanced to the blowing position, the gas source is opened, the electric push rod 10 drives the rotary seat 11 to swing left and right, the blowing pipe 3 can blow the connecting base clean, after the blowing is completed, the moving trolley 2 returns to the original position, the blowing pipe 3 returns, and enough space is reserved for the side of the ladle trolley, the device is simple to manufacture and easy to operate, realizes the automatic advancing, retreating and rotating actions, the effect is ideal, the safety hidden danger is eliminated, and the labor intensity of workers is reduced.

[0027] The above only describes the preferred and feasible embodiments of the present application, and does not limit the scope of the present application, and equivalent changes made by applying the content of the present application and the drawings are included in the scope of the present application.

Claims

1. A converter ladle bottom blowing connection base automatic purging device, characterized in that: The walking frame is fixed on the platform beside the ladle car, the moving trolley is slidably connected in the walking frame, the top of the moving trolley is above the walking frame, the driving mechanism connected with the moving trolley is arranged on one side of the walking frame, the rotary mechanism is arranged on the top plate of the moving trolley, the blowing air pipe is arranged on the rotary mechanism, and the outer end of the blowing air pipe is connected with the nozzle with the outlet downward.

2. The converter ladle bottom-blown connection bottom seat automatic purging device according to claim 1, characterized in that: The driving mechanism comprises a speed reducer motor arranged on the side of the walking frame away from the ladle, a driving wheel is arranged on the output end of the speed reducer motor, a driven wheel is arranged in the walking frame and close to the side of the ladle, a chain is arranged between the driving wheel and the driven wheel, and the bottom surface of the top plate of the moving trolley is fixed with the chain.

3. The converter ladle bottom-blown connection bottom base automatic purging device according to claim 2, characterized in that: The auxiliary idler is arranged at the bottom of the walking frame and at the bottom of the middle section of the chain.

4. The converter ladle bottom-blown connection bottom seat automatic purging device according to claim 1, characterized in that: The rotary mechanism comprises an electric push rod abutting on the top plate of the moving trolley, a base is hinged to one end of the electric push rod and fixed on the top plate of the moving trolley, a rotary seat is rotatably connected to the top plate of the moving trolley, a connecting lug is arranged on one side of the rotary seat and hinged to the output end of the electric push rod, and one side of the blowing air pipe is fixed in the rotary seat.

5. The converter ladle bottom-blown connection bottom base automatic purging device according to claim 4, characterized in that: At least two fixed plates are arranged on the top of the rotary seat along the length direction of the blowing air pipe, the two sides of the fixed plate are fixed with the rotary seat through bolts, a semicircular placing groove is arranged in the middle of the bottom surface of the fixed plate and buckled on the blowing air pipe.

6. The converter ladle bottom-blown connection bottom seat automatic purging device according to claim 1, characterized in that: The top of the end of the walking frame close to the ladle is provided with a baffle for limiting the moving trolley.

7. The converter ladle bottom-blown connection bottom seat automatic purging device according to claim 1, characterized in that: The length of the blowing air pipe is consistent with the stroke of the trolley.

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