Signal detection device and system based on desulfurization station closing door
By installing pulley blocks and steel wire ropes on the closed door and using proximity switches to detect the position of the closed door, the problem of signal instability caused by the operation deviation of the closed door was solved, thus achieving the stability of the closed door signal and the continuity of production.
Patent Information
- Application Number
- CN202522342307.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-05
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-11-05
AI Technical Summary
The closed gate deviates from its trajectory during operation, causing instability in the limit stop and limit signal, which affects the stable operation of the desulfurization station.
The closed door is connected by a pulley block and steel wire rope. The mechanical distance deviation is converted into a stable switching signal through a fixed pulley, guide block and moving striker. The position of the closed door is detected by a proximity switch.
This ensures the stability of the closed door opening and closing signal, avoids signal instability caused by mechanical position deviation, improves the continuity of desulfurization production, and reduces potential failure risks.
Smart Images
Figure CN223664800U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steelmaking desulfurization station mechanical equipment technical field especially, relates to a signal detection device and system based on desulfurization station closed door. BACKGROUND
[0002] The steelmaking plant generally has the desulfurization station. In the production process, the molten iron car reaches the working position, and before the injection, the closed door of the desulfurization station needs to be closed according to the environmental protection control requirement to prevent the smoke overflow, and the closed door needs to be in the closed state in the whole process of the injection desulfurization, after the injection desulfurization is finished, the injection gun is lifted to the upper limit position, the PLC program triggers the closed door opening signal, the closed door is automatically opened, and runs to the open position, the closed door is opened to the position and the signal lasts for 3 seconds to trigger the molten iron car outstation signal, the molten iron car runs to the station outside package position, and waits for the crane to be transported to the converter to mix the iron.
[0003] The signal interlocking operation in the whole treatment process, the cycle control is strict, and the stable operation of each signal is the basis for the stable operation of the desulfurization station. The closed door is designed as a track upper rotary hanging structure, due to the gap between the track and the walking wheel, there is a track deviation in the opening and closing operation process of the closed door, the original switch limit stop iron and the closed door are on the same horizontal line, when the closed door appears the operation deviation, the distance between the limit stop iron and the limit position changes, the switch limit signal is unstable, and the stable operation of the desulfurization station is seriously affected. UTILITY MODEL CONTENTS
[0004] According to the technical problem, a signal detection device and system based on the closed door of the desulfurization station are provided.
[0005] The technical means adopted by the utility model are as follows:
[0006] Firstly, a signal detection device based on the closed door of the desulfurization station, including a mounting seat, a fixed pulley, a movable pulley, a first steel wire rope, a stop ruler slide, a movable stop ruler, a second steel wire rope, a first proximity switch and a second proximity switch, the relative position between the mounting seat and the track is fixed, the wheel frame of the fixed pulley is fixedly installed on the mounting seat, the movable pulley is located directly below the fixed pulley and can move in the vertical direction, one end of the first steel wire rope is fixedly connected to the closed door, the other end of the first steel wire rope is sequentially wound around the rotating wheel of the fixed pulley and the rotating wheel of the movable pulley and is fixedly connected to the wheel frame of the fixed pulley, the stop ruler slide is vertically arranged and fixedly installed on the mounting seat, and the stop ruler slide is located directly below the movable pulley, the movable stop ruler is slidably installed on the stop ruler slide, one end of the second steel wire rope is fixedly connected to the wheel frame of the movable pulley, the other end of the second steel wire rope is fixedly connected to the movable stop ruler, and the first proximity switch and the second proximity switch are fixedly installed on the top end and the bottom end of the stop ruler slide respectively.
[0007] Further, the guide block is fixedly installed on the mounting seat and located between the trolley pulley and the closure door, a guide hole is formed in the guide block, the length direction of the guide hole is consistent with the length direction of the track, and the first steel wire rope is coaxially penetrated and slidably installed in the guide hole.
[0008] In a second aspect, a signal detection system based on a closure door of a desulfurization station comprises a track and a closure door; the closure door comprises a door body, a towing vehicle and walking wheels, the towing vehicle and the walking wheels are fixedly installed on the two ends of the length direction of the door body respectively, and the towing vehicle and the walking wheels are slidably installed on the track; the signal detection device based on the closure door of the desulfurization station in any one of the first aspect is further included; the relative position between the mounting seat in the signal detection device based on the closure door of the desulfurization station and the track is fixed; and the end of the first steel wire rope away from the wheel frame of the trolley pulley is fixedly connected to the closure door.
[0009] The utility model has the following advantages:
[0010] In the utility model, the closure door is connected with the first steel wire rope, the trolley pulley, the guide block and the movable stopper are arranged at the track extension of the closure door. When deviation occurs in the operation of the closure door, the mechanical distance deviation is flexibly converted through the trolley pulley, the guide block, the first steel wire rope and the movable stopper, the stable operation of the movable stopper, the first proximity switch and the second proximity switch is ensured, the stable closure door opening and closing signal is ensured, the unstable operation of the opening and closing signal caused by the mechanical position deviation in the operation of the closure door is avoided, and then the signal deviation problem affecting the continuity of the desulfurization production is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be simply introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0012] Figure 1 It is the overall structural diagram of the molten iron car, the spray gun, the track, the towing vehicle, the walking wheel, the closure door, the limit stopper and the signal detection device in the prior art.
[0013] Figure 2 It is the overall structural diagram of the signal detection device based on the closure door of the desulfurization station, the towing vehicle, the walking wheel and the closure door of the utility model.
[0014] Figure 3 It is the overall structural diagram of the signal detection system based on the closure door of the desulfurization station, the molten iron car and the spray gun of the utility model.
[0015] Figure 4 Figure 1 is a schematic diagram of the overall structure of the track, the towing vehicle and the walking wheel in the utility model;
[0016] Reference signs: 1 - molten iron car; 2 - spray gun; 3 - track; 4 - towing vehicle; 5 - walking wheel; 6 - closing door; 7 - limit stop iron; 8 - signal detection device; 9 - fixed pulley; 10 - movable pulley; 11 - first proximity switch; 12 - ram gauge slide; 13 - second proximity switch; 14 - moving ram; 15 - first steel wire rope; 16 - guide block; 17 - second steel wire rope; 401 - motor; 402 - speed reducer; 403 - driving wheel. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0018] Embodiment 1:
[0019] As shown in Figure 1 The prior art includes a molten iron car 1, a spray gun 2, a track 3, a towing vehicle 4, a walking wheel 5, a closing door 6, a limit stop iron 7 and a signal detection device 8. Because there is a gap between the track 3 and the walking wheel 5, there is a track deviation in the opening and closing operation of the closing door 6. The limit stop iron 7 and the closing door 6 are on the same horizontal line. When the closing door 6 deviates in operation, the signal detection device 8 cannot detect the limit stop iron 7, resulting in unstable opening and closing limit signals, which seriously affects the stable operation of the desulfurization station.
[0020] As shown in Figure 2As shown, a signal detection device based on a desulfurization station's closed door includes a mounting base, a fixed pulley 9, a movable pulley 10, a first wire rope 15, a striker slide 12, a movable striker 14, a second wire rope 17, a first proximity switch 11, and a second proximity switch 13. The relative position between the mounting base and the track 3 is fixed. The wheel frame of the fixed pulley 9 is fixedly mounted on the mounting base. The movable pulley 10 is located directly below the fixed pulley 9 and can move vertically. One end of the first wire rope 15 is fixedly connected to the closed door 6, and the other end of the first wire rope 15 is attached to the closed door 6. The rotating wheel that passes over the fixed pulley 9 and the rotating wheel of the movable pulley 10 are fixedly connected to the wheel frame of the fixed pulley 9; the impact ruler slide 12 is vertically arranged and fixedly installed on the mounting base, and the impact ruler slide 12 is located directly below the movable pulley 10; the movable impact ruler 14 is slidably installed on the impact ruler slide 12; one end of the second steel wire rope 17 is fixedly connected to the wheel frame of the movable pulley 10, and the other end of the second steel wire rope 17 is fixedly connected to the movable impact ruler 14; the first proximity switch 11 and the second proximity switch 13 are respectively fixedly installed on the top and bottom ends of the impact ruler slide 12.
[0021] In this embodiment, a guide block 16 is also included; the guide block 16 is fixedly installed on the mounting base and located between the fixed pulley 9 and the closed door 6. A guide hole is provided on the guide block 16. The length direction of the guide hole is consistent with the length direction of the track 3. The first wire rope 15 passes through the guide hole coaxially and is slidably installed in the guide hole.
[0022] Example 2:
[0023] like Figure 3 As shown, a signal detection system based on a desulfurization station closed door includes a track 3 and a closed door 6. The closed door 6 includes a door body, a traction vehicle 4, and traveling wheels 5. The traction vehicle 4 and traveling wheels 5 are respectively fixedly installed at both ends of the door body along its length, and both the traction vehicle 4 and traveling wheels 5 are slidably installed on the track 3. The system also includes a signal detection device based on a desulfurization station closed door as described in any of Embodiment 1. The relative position between the mounting base of the signal detection device and the track 3 is fixed. One end of the first wire rope 15 of the signal detection device, away from the wheel frame of the fixed pulley 9, is fixedly connected to the closed door 6.
[0024] Specifically, such as Figure 4 As shown, the tractor 4 includes a motor 401, a reducer 402, and a drive wheel 403; the output end of the motor 401 is connected to the input end of the reducer 402, and the drive wheel 403 is coaxial and fixedly installed on the output end of the reducer 402.
[0025] The embodiment adopts the mode of pulley block, can reduce the interval between the first proximity switch 11 and the second proximity switch 13 (can reduce 50%), and is convenient for maintenance; the guide block 16 can greatly reduce the derailment caused by the swing of the first steel wire rope 15, and ensure the accuracy of the device detection; the bumper scale slide 12 can eliminate the swing of the moving bumper scale 14 in the work, and avoid that the first proximity switch 11 and the second proximity switch 13 cannot detect the moving bumper scale 14.
[0026] In addition, the embodiment can improve the production continuity, avoid the interruption in the spraying process, reduce the hidden danger and maintenance period of the device, and reduce the labor intensity of the post workers.
[0027] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. A signal detection device based on a desulfurization station closure door, characterized by, The installation base, the fixed pulley (9), the movable pulley (10), the first steel wire rope (15), the rammer slide (12), the movable rammer (14), the second steel wire rope (17), the first proximity switch (11) and the second proximity switch (13) are included. The relative position between the installation base and the track (3) is fixed. The wheel frame of the fixed pulley (9) is fixedly installed on the installation base. The movable pulley (10) is located directly below the fixed pulley (9) and can move in the vertical direction. One end of the first steel wire rope (15) is fixedly connected to the closure door (6), and the other end of the first steel wire rope (15) is fixedly connected to the wheel frame of the fixed pulley (9) in sequence through the rotating wheels of the fixed pulley (9) and the movable pulley (10). The rammer slide (12) is vertically arranged and fixedly installed on the installation base, and the rammer slide (12) is located directly below the movable pulley (10). The movable rammer (14) is slidingly installed on the rammer slide (12). One end of the second steel wire rope (17) is fixedly connected to the wheel frame of the movable pulley (10), and the other end of the second steel wire rope (17) is fixedly connected to the movable rammer (14). The first proximity switch (11) and the second proximity switch (13) are respectively fixedly installed on the top end and the bottom end of the rammer slide (12).
2. The signal detection device based on the closed door of the desulfurization station according to claim 1, characterized in that, The guide block (16) is also included. The guide block (16) is fixedly installed on the installation base and located between the fixed pulley (9) and the closure door (6), a guide hole is formed in the guide block (16), the length direction of the guide hole is consistent with the length direction of the track (3), and the first steel wire rope (15) is coaxially penetrated and slidingly installed in the guide hole.
3. A signal detection system based on a closure door of a desulfurization station, comprising a track (3) and a closure door (6); The closure door (6) comprises a door body, a tractor (4) and a walking wheel (5), the tractor (4) and the walking wheel (5) are respectively fixedly installed on the two ends of the length direction of the door body, and the tractor (4) and the walking wheel (5) are slidingly installed on the track (3); characterized in that The signal detection device based on the closure door of the desulfurization station in any one of claims 1 to 2 is also included. The relative position between the installation base and the track (3) in the signal detection device based on the closure door of the desulfurization station is fixed. The end of the first steel wire rope (15) away from the wheel frame of the fixed pulley (9) in the signal detection device based on the closure door of the desulfurization station is fixedly connected to the closure door (6).