CN217201888U - Lifting device for automatic drill rod conveying trolley for blast furnace - Google Patents
Lifting device for automatic drill rod conveying trolley for blast furnace Download PDFInfo
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- CN217201888U CN217201888U CN202220483659.7U CN202220483659U CN217201888U CN 217201888 U CN217201888 U CN 217201888U CN 202220483659 U CN202220483659 U CN 202220483659U CN 217201888 U CN217201888 U CN 217201888U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a lifting device for be used for automatic borer transport dolly of blast furnace, lifting device wholly are the tubular structure, including elevating system and rotation mechanism, elevating system is in the center, and rotation mechanism is in the outside. The lifting mechanism and the rotary mechanism are positioned through the same rotary supporting seat, and the lifting mechanism is controlled to lift by a servo electric cylinder connected to the lifting cylinder and the rotary supporting seat; the rotary mechanism drives the positioning cylinder to control the rotary action by a rotary motor and a rotary support connected to the rotary support seat. The outer sides of the lifting cylinder and the rotary supporting seat are provided with guide supporting structures for supporting and guiding the lifting cylinder. By adopting the structure, the drill rod conveying trolley can rotate 360 degrees on the horizontal position, and the position of the drill rod conveying trolley is not limited by the influence of narrow space in front of a furnace; through the structure, the lifting mechanism and the slewing mechanism work independently without mutual influence.
Description
Technical Field
The utility model belongs to the stokehold fortune borer dolly device field of iron-smelting blast furnace especially relates to a elevating gear that is used for automatic fortune borer dolly of blast furnace.
Background
At present, most of the drill rod replacement work of the tapping machine of the large-scale blast furnace is completed manually. Because the depth of the iron notch is deeper, the drill rod is longer by about more than 6 meters generally, the weight reaches 60kg, and 2 persons need to lift the drill rod from a drill rod storage point to a rest position of the tapping machine to replace the drill rod. Because the environment temperature in the front of the blast furnace is high, the dust content is large, the working environment of workers is severe, and the trend of automation and intelligent development of equipment in the front of the furnace is faster and faster.
The drill rod conveying trolley is used as an important tool for replacing manual drill rod conveying work, the labor intensity of workers can be greatly reduced, and the structural reliability and the operation stability of the drill rod conveying trolley play an important role in smoothly finishing automatic drill rod replacement of the tapping machine. The drill rod conveying trolley has the function of automatically conveying the drill rods from the drill rod warehouse to a rest position of the tapping machine, and conveying the drill rods to the mounting height through rotation and lifting actions.
Although the existing rotary drill rod conveying device can achieve the functions, the structures of the lifting mechanism and the rotating mechanism are relatively complex, the guiding stability of the lifting mechanism needs to be improved, the control of the rotating angle is not accurate enough, and the lifting mechanism and the rotating mechanism can not perform relatively independent actions at the same time. Therefore, there is a need to develop an automatic drill rod transporting trolley lifting device which has a simple and reliable structure, a compact and reasonable spatial layout and mutually independent lifting and rotating actions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a elevating gear for automatic borer transport dolly of blast furnace is provided, this device can satisfy two actions of going up and down and rotation simultaneously, and two actions are independent each other, each other does not influence moreover, can make its compact structure, stability height again, is a elevating gear convenient to realize automated control.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a lifting device for a blast furnace automatic drill rod conveying trolley comprises a lifting mechanism and a slewing mechanism;
the lifting mechanism comprises a lifting servo electric cylinder for realizing lifting action, a rotary supporting seat is arranged on the lifting servo electric cylinder, and a lifting cylinder is fixed at the top of the lifting servo electric cylinder;
the slewing mechanism consists of a slewing support seat, a slewing motor, a speed reducer, a slewing bearing and a positioning cylinder;
the lifting cylinder and the positioning cylinder are connected to the support ring through a guide optical axis and a linear bearing;
the bottom end of the rotary supporting seat is fixed on a base of the drill rod conveying trolley and used for positioning and supporting the lifting servo electric cylinder and the speed reducer.
The outer shell of the lifting servo electric cylinder is fixed on a central axis of the rotary supporting seat, the end part of a piston rod of the lifting servo electric cylinder is fixedly connected with the central part of the lifting cylinder, and the piston rod of the lifting servo electric cylinder drives the lifting cylinder to move up and down along the guide optical axis when stretching.
The rotary motor is fixed below the speed reducer and is arranged in parallel with the axis of the lifting servo electric cylinder; an output shaft of the speed reducer is connected with a pinion through a flat key, and the pinion is meshed with an outer ring gear of the slewing bearing.
The outer ring gear is connected with the positioning cylinder fixed support, and the rotary motor drives the positioning cylinder on the outer ring gear and the lifting cylinder and the support ring which are connected through the guide optical axis to rotate together through the speed reducer.
The inner ring of the slewing bearing is fixedly connected with the slewing supporting seat, a proximity sensor is fixedly mounted on the inner ring of the slewing bearing through a fixing support, and an induction screw matched with the proximity sensor is arranged on the upper end face of the positioning cylinder.
The top end face of the lifting cylinder is provided with a protective cover and is fixed on the lifting cylinder through a bolt.
Many the both ends of direction optical axis are fixed in between support ring and the location section of thick bamboo, many simultaneously the direction optical axis passes the linear bearing who fixes on a lift section of thick bamboo to constitute sliding fit.
The utility model discloses there is following beneficial effect:
1. the utility model adopts the cylindrical structure to arrange the lifting mechanism and the swing mechanism, thereby greatly saving the installation space;
2. the lifting mechanism and the swing mechanism are reasonably arranged, so that two mutually independent actions of lifting and swinging are realized; through the supporting and guiding effects of the guiding optical axis, the lifting cylinder is prevented from swinging in the rotating and lifting processes, the stability of the drill rod in the conveying process is enhanced, and accurate drill rod positioning is provided for the tapping machine during automatic drill rod replacement.
3. The utility model has simple structure and reliable and stable action, and can ensure the accuracy of automatic drill rod replacement of the blast furnace.
4. By adopting the matching between the proximity sensor and the induction screw, the zero point of rotation is reset by the proximity sensor approaching the induction screw after the rotation mechanism rotates for many times to generate certain accumulated errors.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a cross-sectional view of the embodiment of the present invention after being lifted.
Fig. 3 is a front view of a lifting process in an embodiment of the invention.
Fig. 4 is a perspective view of the present invention.
In the figure: the device comprises a lifting servo electric cylinder 1, a rotary supporting seat 2, a rotary motor 3, a speed reducer 4, a rotary support 5, a positioning cylinder 6, a lifting cylinder 7, a proximity sensor 8, an induction screw 9, a fixing support 10, a supporting ring 11, a guide optical axis 12, a linear bearing 13 and a protective cover 14; piston rod 101, servo electric cylinder shell body 102, output shaft 401, parallel key 402, pinion 403, inner circle 501, outer circle gear 502.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Example 1:
referring to fig. 1-4, the utility model discloses a lifting device for automatic borer changing trolley of blast furnace, include: the lifting mechanism consists of a lifting servo electric cylinder 1, a rotary supporting seat 2 and a lifting cylinder 7; the slewing mechanism comprises a slewing support seat 2, a slewing motor 3, a speed reducer 4, a slewing support 5 and a positioning cylinder 6. The rotary supporting seat 2 is used as a positioning base of the device, is arranged on a base of the drill rod conveying trolley and travels along with the trolley. The outer shell of the lifting servo electric cylinder 1 is fixedly arranged on the rotation center of the rotation support seat 2, and the end part of a piston rod 101 of the servo electric cylinder 1 is fixedly connected with the lifting cylinder 7. By adopting the lifting device, the drill rod conveying trolley can rotate 360 degrees on the horizontal position, and the position of the drill rod conveying trolley is not limited by the influence of narrow space in front of a furnace; through the structure, the lifting mechanism and the rotary mechanism work independently without influencing each other, the winding condition of the wiring of the motor is avoided, and the space layout is compact and reasonable. In the specific working process, the lifting action can be specifically realized through the lifting mechanism, and the rotation action can be specifically realized through the rotation mechanism.
Further, the linear bearing 13 is fixedly installed on the outer edge of the point of the lifting cylinder 7, the guide optical axis 12 penetrates through the linear bearing 13, and two ends of the guide optical axis 12 are respectively and fixedly connected with the outer edges of the positioning cylinder 6 and the support ring 11. By the engagement between the linear bearing 13 and the guide optical axis 12, stable and smooth elevating operation of the elevating cylinder 7 can be finally realized.
Further, the speed reducer 4 is installed on the rotary support base 2, and an output axis of the speed reducer 4 is parallel to an axis of the lifting servo electric cylinder 1. The lower end of the speed reducer 4 is provided with the rotary motor 3, an output shaft 401 of the speed reducer 4 is connected with a pinion 403 through a flat key 402, the pinion 403 is meshed with an outer ring gear 502 of the slewing bearing 5, the outer ring gear 502 of the slewing bearing 5 is fixedly connected with the positioning cylinder 6, and an inner ring 501 of the slewing bearing 5 is fixedly connected with the slewing support base 2. Through the specific structure, the rotary motor can be used for providing rotary power, in the working process, the rotary motor 3 drives the speed reducer 4, the speed reducer 4 drives the pinion 403, the pinion 403 drives the outer ring gear 502, and the outer ring gear 502 drives the positioning cylinder 6 connected with the outer ring gear 502 to realize rotary motion.
In a preferred scheme, more than 2 guide optical axes 12 and linear bearings 13 are connected with the positioning cylinder 6 and the support ring 11, so that the stability and the bearing capacity of the lifting cylinder 7 in the circumferential direction are increased, and the lifting cylinder 7 can keep certain rigidity without deformation even if being collided by large external force. The structural stability of the lifting cylinder 7 is enhanced by the above-described guiding optical axis 12.
In a preferred embodiment, the servo electric cylinder 1 is preferably used as a main driving force for raising and lowering the lift cylinder 7. Other devices such as pneumatic or hydraulic cylinders may be used.
In a preferable scheme, a fixed bracket 10 provided with a proximity sensor 8 is fixedly connected to an inner ring 501 of the slewing bearing 5 and is relatively static; the induction screw 9 is fixedly arranged on the positioning cylinder 6 and can rotate along with the positioning cylinder 6. When the rotary mechanism rotates for multiple times to generate certain accumulated errors, the proximity sensor 8 approaches the induction screw 9 to reset the zero point of rotation.
Example 2:
the use method of the lifting device for the automatic drill rod conveying trolley of the blast furnace comprises the following steps:
lifting action: starting a lifting servo electric cylinder 1 of a lifting mechanism, driving a piston rod 101 of the lifting servo electric cylinder 1 to stretch, driving a lifting cylinder 7 at the top end of the lifting servo electric cylinder by the piston rod 101, and driving a protective cover 14 at the top of the lifting servo electric cylinder to move up and down along a guide optical axis 12 by the lifting cylinder 7;
rotation action: starting a rotary motor 3 of the rotary mechanism, driving an outer ring gear 502 of a rotary support meshed with a pinion 403 on an output shaft of a speed reducer 4 to rotate through the rotary motor 3, and further driving a positioning cylinder 6 to rotate together with a lifting cylinder 7 and a support ring 11 which are connected with the positioning cylinder 6 through a guide optical axis 12; because the protective cover 14 is fixedly connected with the lifting cylinder 7, the protective cover 14 also rotates along with the lifting cylinder;
the lifting action and the rotation action are independent and do not influence each other, and the lifting action can be carried out independently and can also be carried out simultaneously with the rotation action; the turning operation may be performed independently or simultaneously with the lifting operation.
Claims (7)
1. A lifting device for a blast furnace automatic drill rod conveying trolley is characterized by comprising a lifting mechanism and a swing mechanism;
the lifting mechanism comprises a lifting servo electric cylinder (1) for realizing lifting action, a rotary supporting seat (2) is installed on the lifting servo electric cylinder (1), and a lifting cylinder (7) is fixed at the top of the lifting servo electric cylinder (1);
the slewing mechanism consists of a slewing support seat (2), a slewing motor (3), a speed reducer (4), a slewing bearing (5) and a positioning cylinder (6);
the lifting cylinder (7) and the positioning cylinder (6) are connected to the support ring (11) through a guide optical axis (12) and a linear bearing (13);
the bottom end of the rotary supporting seat (2) is fixed on a base of the drill rod conveying trolley and used for positioning and supporting the lifting servo electric cylinder (1) and the speed reducer (4).
2. The lifting device for the automatic drill rod conveying trolley of the blast furnace as claimed in claim 1, wherein: the lifting servo electric cylinder is characterized in that an outer shell (102) of the lifting servo electric cylinder (1) is fixed on a central axis of the rotary supporting seat (2), the end part of a piston rod (101) of the lifting servo electric cylinder (1) is fixedly connected with the central part of the lifting cylinder (7), and the piston rod (101) of the lifting servo electric cylinder (1) drives the lifting cylinder (7) to move up and down along a guide optical axis (12) when stretching.
3. The lifting device for the automatic drill rod conveying trolley of the blast furnace as claimed in claim 1, wherein: the rotary motor (3) is fixed below the speed reducer (4) and is arranged in parallel with the axis of the lifting servo electric cylinder (1); an output shaft (401) of the speed reducer (4) is connected with a pinion (403) through a flat key (402), and the pinion (403) is meshed with an outer ring gear (502) of the slewing bearing (5).
4. The lifting device for the automatic drill rod conveying trolley of the blast furnace as claimed in claim 3, wherein: the outer ring gear (502) is fixedly supported and connected with the positioning cylinder (6), and the rotary motor (3) drives the positioning cylinder (6) on the outer ring gear (502) and the lifting cylinder (7) and the support ring (11) which are connected through the guide optical axis (12) to rotate together through the speed reducer (4).
5. The lifting device for the automatic blast furnace drill rod conveying trolley according to claim 3, characterized in that: the inner ring (501) of the slewing bearing (5) is fixedly connected with the slewing supporting seat (2), a proximity sensor (8) is fixedly mounted on the inner ring (501) of the slewing bearing (5) through a fixing support (10), and an induction screw (9) matched with the proximity sensor (8) is arranged on the upper end face of the positioning cylinder (6).
6. The lifting device for the automatic blast furnace drill rod conveying trolley according to claim 1 is characterized in that: the top end face of the lifting cylinder (7) is provided with a protective cover (14) and is fixed on the lifting cylinder (7) through bolts.
7. The lifting device for the automatic drill rod conveying trolley of the blast furnace as claimed in claim 2, characterized in that: many the both ends of direction optical axis (12) are fixed in between support ring (11) and a location section of thick bamboo (6), and many simultaneously direction optical axis (12) pass linear bearing (13) fixed on a lift section of thick bamboo (7) to constitute sliding fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220483659.7U CN217201888U (en) | 2022-03-08 | 2022-03-08 | Lifting device for automatic drill rod conveying trolley for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220483659.7U CN217201888U (en) | 2022-03-08 | 2022-03-08 | Lifting device for automatic drill rod conveying trolley for blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217201888U true CN217201888U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220483659.7U Active CN217201888U (en) | 2022-03-08 | 2022-03-08 | Lifting device for automatic drill rod conveying trolley for blast furnace |
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| CN (1) | CN217201888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634129A (en) * | 2022-03-08 | 2022-06-17 | 宜昌市燕狮科技开发有限责任公司 | Lifting device for automatic drill rod conveying trolley of blast furnace and using method |
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2022
- 2022-03-08 CN CN202220483659.7U patent/CN217201888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634129A (en) * | 2022-03-08 | 2022-06-17 | 宜昌市燕狮科技开发有限责任公司 | Lifting device for automatic drill rod conveying trolley of blast furnace and using method |
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