CN217320344U

CN217320344U - Automatic drill rod conveying trolley in front of blast furnace

Info

Publication number: CN217320344U
Application number: CN202220436909.1U
Authority: CN
Inventors: 操波; 张显超; 方伟; 李俊; 向家兴
Original assignee: Yichang Yanshi Sci Tech Development Co ltd
Current assignee: Yichang Yanshi Sci Tech Development Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-08-30
Anticipated expiration: 2032-03-02

Abstract

The utility model provides an automatic drill rod conveying trolley in front of a blast furnace, which comprises a trolley chassis, a lifting device, a drill rod bracket, an electrical control system, a walking limiting pile and a protective cover; a trolley storage battery pack, a driving assembly, a driven assembly, a charging brush plate and a mounting groove are arranged on the trolley chassis; the lifting device is of an integral tubular structure and is arranged in the mounting groove of the chassis of the trolley. When the drill rod needs to be replaced, the drill rod arranged on the drill rod bracket is conveyed to a rest position of the tapping machine by operating the electrical control system, the angle of the drill rod is adjusted by the lifting device, and then the drill rod is lifted to the mounting height for mounting. The trolley is positioned through the proximity sensor and the walking limiting piles in the process of returning back, and the trolley is guaranteed to return to a rest position. By adopting the structure, the whole trolley is compact and reasonable in layout, accurate in positioning, high in working stability and extremely strong in practicability.

Description

Automatic drill rod conveying trolley in front of blast furnace

Technical Field

The utility model belongs to blast furnace stokehole equipment field especially relates to a automatic borer dolly of fortune in blast furnace stokehole, is applicable to the automatic borer of trading in various blast furnace stokeholes and transports the drill rod.

Background

The drill rod replacement is used as daily work of workers in front of the blast furnace and is repeatedly carried out for many times every day. Each drill rod weighs about 50Kg, and two persons are required to lift the drill rods to the rest position of the tapping machine to complete the drill rod replacement work. Because the temperature in front of the furnace is high, the dust content is large, and the labor intensity of workers is high. Therefore, the development of an automatic drill rod changing device with high automation degree and good stability is very important for reducing the labor intensity of workers and improving the labor environment. The automatic drill rod conveying trolley is used for replacing a worker to convey a drill rod to a rest position of the tapping machine, and preparation work is made for automatic drill rod replacement.

At present, although the existing rotary drill rod conveying device for the automatic drill rod replacing machine can complete the lifting and rotating actions of a drill rod, the structure is complex, the volume is large, an auxiliary supporting structure of the lifting device is hinged by a plurality of connecting rods, and the stability needs to be improved; meanwhile, a driving mechanism of the whole drill rod conveying device needs an external power supply, the control of the advancing of the trolley and the lifting and rotating of the drill rod and the power supply are not integrated, and the conditions for realizing the automatic drill rod changing are not perfect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that an automatic borer dolly of fortune in front of blast furnace is provided, can control the dolly distance of marcing, height and gyration angle accurately, adjust gyration angle at the in-process of marcing, only need accomplish when reacing tapping machine rest position and promote the action and just can reach the mounting height of drill rod, accomplish quick response, handle the signal of various sensors through the PLC controller, realize full automatization fortune borer process.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a blast furnace stokehole automatic drill rod conveying trolley comprises a trolley chassis, wherein a lifting device and a protective cover are fixedly arranged on the trolley chassis, a drill rod bracket is fixedly arranged on the lifting device, an electrical control system is arranged on the side edge of the protective cover, and a walking limiting pile is arranged on the ground right below a rest position of the trolley;

a trolley storage battery pack, a driving assembly, a driven assembly, a charging brush plate and a lifting device mounting groove are arranged on the trolley chassis; and a trolley walking proximity sensor is arranged at one end, close to the lifting device mounting groove, of the bottom of the trolley chassis.

The driving assembly comprises a driving motor, a speed reducer, a synchronous belt pulley, a driving shaft and a steel wheel; the speed reducer is fixed through a speed reducer support arranged on a trolley chassis, the output end of the speed reducer is matched with the synchronous belt, the rotation is transmitted to a driving shaft connected with the synchronous belt wheel, the steel wheel is driven to rotate, and the trolley integrally walks along an overground guide rail.

The driving power of the driving component and the lifting device is provided by the trolley storage battery, and other external power supplies are not needed.

The drill rod bracket comprises a support rod, a support rod transverse plate and a support rod vertical plate; the support rod is of a hollow structure, the vertical support rod plate is fixedly arranged at two ends of the support rod, and the transverse support rod plate is fixedly arranged on the vertical support rod plate.

The cross plate of the supporting rod is arranged into a V-shaped structure, and a proximity sensor is arranged on the outer side of the cross plate and used for detecting whether the drill rod is placed on the drill rod bracket or not.

The bottom surface of the supporting rod is provided with a plurality of threading holes, and a cable of the proximity sensor penetrates into the middle of the supporting rod from the threading holes and is connected into the trolley storage battery from the rotation center of the lifting device.

And a charging brush plate is arranged on the side surface of the trolley chassis and used for charging the trolley storage battery.

The electrical control system comprises a PLC controller, and the PLC controller processes signals of various sensors and sends action instructions to a trolley walking motor and a motor in the lifting device.

The utility model discloses there is following beneficial effect:

1. the utility model discloses the dolly has effectively solved the accurate control of dolly fortune borer process distance of marcing, avoids the dolly distance of marcing overlength or short and can not reach the accurate tapping machine rest position that reaches of drill rod.

2. The utility model discloses a chargeable storage battery provides electric power for the dolly, and all driving motor on the dolly need not external other power again, avoid too much cable to appear in the scene.

3. Whether the drill rod is arranged on the drill rod bracket or not is detected through the proximity sensor, so that the drill rod is prevented from running empty when the drill rod is conveyed by the trolley.

4. The whole structure is compact and reasonable, the stability is high, the use is convenient, and the practicability is strong.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is an overall structure front view of the present invention.

Fig. 2 is a top view of the overall structure of the present invention after the shield is removed.

Fig. 3 is a left side view of the whole structure of the present invention after the protective cover is hidden.

Fig. 4 is a front view of the cart chassis of the present invention.

Fig. 5 is a top view of the cart chassis of the present invention.

Fig. 6 is a left side view of the cart chassis of the present invention.

Fig. 7 is a cross-sectional view of the drive assembly of the present invention.

Fig. 8 is a front view of the drill rod bracket of the present invention.

Fig. 9 is a left side view of the drill rod bracket of the present invention.

Fig. 10 is a bottom view of the support rod of the drill rod bracket of the present invention.

In the figure: the device comprises a trolley chassis 1, a lifting device 2, a drill rod bracket 3, a protective cover 4, an electrical control system 5, a walking limiting pile 6, a storage battery pack 21, a driving component 22, a driven component 23, a charging brush plate 24, a lifting device mounting groove 25, a trolley walking proximity sensor 26, a driving motor 41, a speed reducer 42, a synchronous belt 43, a driving shaft 44, a steel wheel 45, a speed reducer support 46, a synchronous belt wheel 47, a supporting rod 51, a supporting rod transverse plate 52, a supporting rod vertical plate 54, a proximity sensor 53 and a threading hole 55.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

As shown in figures 1-3, the automatic drill rod conveying trolley for the front of the blast furnace comprises a trolley chassis 1, a lifting device 2, a drill rod bracket 3, a protective cover 4, an electrical control system 5 and a walking limiting pile 6, and is characterized in that: the lifting device 2 is fixedly installed on the trolley chassis 1, the drill rod bracket 3 is fixedly installed on the lifting device 2, and the electric control system 5 comprises a PLC (programmable logic controller) and is installed on the side edge of the protective cover 4. The walking limiting pile 6 is fixed on the ground right below the rest position of the trolley. When the drill rod needs to be replaced by the automatic drill rod conveying trolley, the drill rod arranged on the drill rod bracket is conveyed to the rest position of the tapping machine by operating the electric control system, the angle of the drill rod is adjusted by the lifting device, and then the drill rod is lifted to the mounting height for mounting. The trolley is positioned through the proximity sensor and the walking limiting piles in the process of returning back, and the trolley is guaranteed to return to a rest position. By adopting the structure, the whole trolley is compact and reasonable in layout, accurate in positioning, high in working stability and extremely strong in practicability.

As shown in fig. 4-6, a trolley storage battery pack 21, a driving component 22, a driven component 23, a charging brush plate 24 and a lifting device mounting groove 25 are arranged on the trolley chassis 1; and a trolley walking proximity sensor 26 is arranged at one end of the bottom of the trolley chassis 1 close to the lifting device mounting groove 25. Can be used to detect the presence signal of the trolley chassis 1 by means of the proximity sensor 26.

As shown in fig. 7, in a preferred embodiment, the driving assembly 22 includes a driving motor 41, a speed reducer 42, a timing belt 43, a timing pulley 47, a driving shaft 44, and a steel wheel 45. The speed reducer 42 is fixed through a speed reducer support 46 installed on the trolley chassis 1, the output end of the speed reducer 42 is matched with the synchronous belt 43, the rotation is transmitted to a driving shaft 44 connected with a synchronous belt wheel 47, and a steel wheel 45 is driven to rotate, so that the trolley integrally travels along a guide rail on the ground. The driving assembly 22 can be used for providing the walking power of the whole trolley.

In a preferred scheme, the driving power of the driving component 22 and the lifting device 2 is provided by the trolley storage battery pack 21, and no other external power supply is needed. The power supply structure replaces the traditional power supply mode of a cable external power supply, and the phenomenon that too many cables appear on site is avoided.

As shown in fig. 8 to 10, in a preferred embodiment, the drill rod bracket 3 includes a supporting rod 51, a supporting rod transverse plate 52, and a supporting rod vertical plate 54. The support rod 51 is of a hollow structure, the support rod vertical plate 54 is fixedly arranged at two ends of the support rod 51, and the support rod transverse plate 52 is fixedly arranged on the support rod vertical plate 54 and used for supporting the drill rod. The drill rod bracket 3 can be used for reliably supporting the drill rod, and further facilitating subsequent conveying of the drill rod.

Preferably, a proximity sensor 53 is provided on the outside of the lever cross plate 52 for detecting whether a drill rod has been placed on the drill rod carrier 3. The drill rod is prevented from running out when the drill rod is conveyed by the trolley.

In a preferable scheme, the cable of the proximity sensor 53 penetrates into the supporting rod 51 from a threading hole 55 at the bottom of the supporting rod 51, and is connected into the trolley storage battery 21 from the rotation center of the lifting device 2, so that the cable is prevented from being exposed outside. Through foretell threading structure, guaranteed arranging of cable, and then guaranteed the structural stability of whole device.

In the preferred scheme, a charging brush plate 24 is arranged on the side surface of the trolley chassis 1 and used for connecting a charging pile beside a trolley rest position to charge a trolley storage battery 21. Through the charging structure, the automatic charging of the trolley storage battery 21 can be finally realized, and the normal supply of electric energy is further ensured.

In a preferred scheme, the electrical control system 5 comprises a PLC controller, and the PLC controller processes signals of various sensors, sends action instructions to a trolley walking motor and a motor of a lifting device, and is matched with other automatic drill rod changing equipment to complete drill rod changing work. The PLC controller is convenient for realizing the whole full-automatic operation process of drill rod replacement.

The utility model discloses a use method does:

when the drill rod needs to be replaced, the drill rod on the automatic drill rod frame is placed on the drill rod bracket 3, and after the electric control system 5 receives information from the proximity sensor 53 to detect the drill rod, the trolley driving motor 41 is started to drive the whole trolley to move to the rest position of the tapping machine. During the travel, the slewing mechanism in the lifting device 2 starts to operate, and the angle of the drill rod is adjusted until the drill rod is parallel to the axis of the tapping machine. When the trolley reaches the designated position, the trolley driving motor 41 stops running, the lifting mechanism in the lifting device 2 drives the drill rod to rise to the installation height of the drill rod to be captured by other mechanisms, then the lifting device runs to the original position, the trolley driving motor 41 is started, the trolley returns to the rest position, and when the walking proximity sensor 26 on the trolley chassis 1 contacts the ground walking limiting pile 6 of the trolley rest position, the trolley driving motor 41 stops running to wait for the next drill rod replacement instruction. When the system detects that the trolley needs to be charged, the charging mode is started to charge the trolley storage battery pack 21.

Claims

1. The automatic drill rod conveying trolley in front of the blast furnace is characterized by comprising a trolley chassis (1), wherein a lifting device (2) and a protective cover (4) are fixedly arranged on the trolley chassis (1), a drill rod bracket (3) is fixedly arranged on the lifting device (2), an electrical control system (5) is arranged on the side edge of the protective cover (4), and a walking limiting pile (6) is arranged on the ground right below a rest position of the trolley;

a trolley storage battery pack (21), a driving component (22), a driven component (23), a charging brush plate (24) and a lifting device mounting groove (25) are arranged on the trolley chassis (1); and a trolley walking proximity sensor (26) is arranged at one end, close to the lifting device mounting groove (25), of the bottom of the trolley chassis (1).

2. The automatic drill rod conveying trolley in front of the blast furnace as claimed in claim 1, wherein: the driving assembly (22) comprises a driving motor (41), a speed reducer (42), a synchronous belt (43), a synchronous belt wheel (47), a driving shaft (44) and a steel wheel (45); the speed reducer (42) is fixed through a speed reducer support (46) arranged on the trolley chassis (1), the output end of the speed reducer (42) is matched with the synchronous belt (43), the rotation is transmitted to the driving shaft (44) connected with the synchronous belt wheel (47), the steel wheel (45) is driven to rotate, and the trolley integrally walks along the guide rail on the ground.

3. The automatic drill rod conveying trolley in front of the blast furnace as claimed in claim 1, wherein: the driving power of the driving component (22) and the lifting device (2) is provided by the trolley storage battery (21), and other external power supplies are not needed.

4. The automatic drill rod conveying trolley in front of the blast furnace as claimed in claim 1, characterized in that: the drill rod bracket (3) comprises a support rod (51), a support rod transverse plate (52) and a support rod vertical plate (54); the support rod (51) is of a hollow structure, the support rod vertical plate (54) is fixedly arranged at two ends of the support rod (51), and the support rod transverse plate (52) is fixedly arranged on the support rod vertical plate (54).

5. The automatic drill rod conveying trolley in front of the blast furnace as claimed in claim 4, wherein: the cross arm (52) is arranged in a V-shaped configuration and is provided on the outside with a proximity sensor (53) for detecting whether a drill rod has been placed on the drill rod carrier (3).

6. The automatic drill rod conveying trolley in front of the blast furnace as claimed in claim 4, wherein: the bottom surface of the supporting rod (51) is provided with a plurality of threading holes (55), and a cable of the proximity sensor (53) penetrates into the middle of the supporting rod (51) from the threading holes (55) and is connected into the trolley storage battery (21) from the rotation center of the lifting device (2).

7. The automatic drill rod conveying trolley in front of the blast furnace as claimed in claim 1, wherein: and a charging brush plate (24) is arranged on the side surface of the trolley chassis (1) and is used for charging a trolley storage battery pack (21).

8. The automatic drill rod conveying trolley in front of the blast furnace as claimed in claim 1, wherein: the electrical control system (5) comprises a PLC controller, and the PLC controller processes signals of the sensors and sends action instructions to a trolley walking motor and a motor in the lifting device.