CN219449234U - Safety support for lifting arm of rotary table - Google Patents
Safety support for lifting arm of rotary table Download PDFInfo
- Publication number
- CN219449234U CN219449234U CN202320364186.3U CN202320364186U CN219449234U CN 219449234 U CN219449234 U CN 219449234U CN 202320364186 U CN202320364186 U CN 202320364186U CN 219449234 U CN219449234 U CN 219449234U
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- CN
- China
- Prior art keywords
- support frame
- lifting arm
- rotary table
- rotary
- support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a safe support of a lifting arm of a rotary table, which comprises a support frame, wherein the bottom of the support frame is hinged with a rotary lug seat arranged on the rotary body through a pin shaft so that the support frame can rotate relative to the rotary body, the upper part of the support frame is provided with an open upper groove, the inner side wall of the upper groove, which is close to a connecting support on the rotary table, is higher than the outer side wall of the upper groove, which is far away from the connecting support on the rotary table, and the middle part of the lifting arm is provided with a safe clamping shaft which can be matched with the upper groove; the upper end of the support frame is provided with an upper ear seat, and the middle part of the support frame is also provided with a middle ear seat which is used for being matched with a fixed ear seat arranged on the rotary table to fix the support frame. The lifting arm fixing device can well solve the problem that the lifting arm cannot be fixed, reduces the occurrence of potential safety hazards, ensures the safety of maintenance personnel, can ensure on-line maintenance and replacement of spare parts, fully improves the working efficiency, has strong practicability and is worthy of popularization.
Description
Technical Field
The utility model belongs to the field of steel casting production, and particularly relates to a safe bracket for a lifting arm of a rotary table.
Background
Ladle turret is the most common equipment used in modern continuous casting to carry and hold ladles for casting, and is typically located between a ladle receiving bay and a casting bay. The designed ladle rotating radius makes the ladle nozzle in the specified position on the tundish during casting steel, and the ladle is set on the turntable with the crane on the molten steel receiving span side and rotated by the turntable to stop the ladle over the tundish for supplying molten steel. And the empty ladle after casting is rotated by a rotary table and then conveyed back to a molten steel receiving span, so that the conversion of the ladle at the casting side and the ladle at the receiving side is completed. The steel ladle rotary table is generally of a butterfly structure, two arms can respectively lift and integrally rotate, lifting arm lifting hinge points are fixed on a connecting support, the connecting support is connected to a rotary body through high-strength bolts, the rotary body is connected with a slewing bearing fixed on a base, a motor drives the rotary body and the lifting arm to rotate through a slewing bearing with external teeth driven by a speed reducer, one end of a lifting cylinder is connected with the rotary body, the other end of the lifting cylinder is connected with the lifting arm, and the lifting cylinder moves up and down to drive the steel ladle to lift. Saddle seats for placing steel ladles are arranged on each side of the lifting arm, and the steel ladles are located on the saddle seats. The ladle turret is also provided with two capping devices, the ladle cap is driven by a hydraulic cylinder in lifting and rotating manner. And just because the two arms can go up and down respectively, when changing and overhauling equipment, need fix the lifting arm through manual work or crane, prevent that the lifting arm from swinging or because the gravity sags and cause the influence to overhauling and equipment. However, this method is time-consuming and laborious, prolongs the maintenance time, and still has a certain potential safety hazard easily.
Disclosure of Invention
The utility model aims to provide a reliable lifting arm safety bracket of a rotary table, so that the safety bracket can be conveniently and effectively used for safety guarantee during manual replacement and equipment overhaul; the position of the main lifting arm can be firmly fixed through the safety bracket, so that the swing and the drop caused by gravity do not damage the revolving body.
The utility model is realized by the following technical scheme:
the lifting arm safety bracket of the rotary table is used for being arranged between a rotary body of the rotary table and each lifting arm to support the lifting arm and comprises a support frame, wherein the bottom of the support frame is hinged with a rotary lug seat arranged on the rotary body through a pin shaft so that the support frame can rotate relative to the rotary body, an upper groove with an opening is formed in the upper part of the support frame, the inner side wall, close to a connecting support on the rotary table, of the upper groove is higher than the outer side wall, far away from the connecting support on the rotary table, of the upper groove, and a safety clamping shaft capable of being matched with the upper groove is arranged in the middle of the lifting arm; the upper end of the support frame is provided with an upper ear seat for pulling the support frame through the upper ear seat, and the middle part of the support frame is also provided with a middle ear seat for being matched with a fixed ear seat arranged on the rotary table to fix the support frame.
Preferably, a shaft end baffle is further arranged at a position, close to the inner side, on the rotary lug seat and used for limiting the rotation and inclination angle of the support frame to the connecting support saddle at the center of the rotary table.
Preferably, the bottom of the support frame is provided with a lower lug seat, and the bottom of the support frame is hinged with the rotary lug seat of the revolving body through a pin shaft by the lower lug seat.
The beneficial effects of the utility model are as follows:
the lifting arm safety bracket of the rotary table has ingenious structure, each set of lifting arm is provided with one set of safety bracket, the lifting arms cannot be fixed through innovation of the lifting arm safety brackets, the problem that the lifting arms cannot be fixed can be well solved, the occurrence of potential safety hazards is reduced, the safety of maintenance personnel is ensured, on-line maintenance and replacement of spare parts can be ensured, the working efficiency is fully improved, the practicability is high, and the lifting arm safety bracket is worthy of popularization.
Drawings
For ease of illustration, the utility model is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic structural view of the support frame.
Description of the embodiments
As shown in fig. 1-3, a lifting arm safety bracket of a revolving platform is used for being arranged between a revolving body 10 of the revolving platform and each lifting arm 11 to support the lifting arm 11, and comprises a support frame 1, wherein the bottom of the support frame 1 is hinged with a rotary lug seat 12 arranged on the revolving body 10 through a pin shaft so that the support frame 1 can rotate relative to the revolving body 1, the upper part of the support frame 1 is provided with an open upper groove 2, the inner side wall of the upper groove 2, which is close to a connecting support 13 on the revolving platform, is higher than the outer side wall, which is far away from the connecting support 13 on the revolving platform, of the lifting arm 11, and the middle part of the lifting arm 11 is provided with a safety clamping shaft 14 which can be matched with the upper groove 2; the upper end of the support frame 1 is provided with an upper ear seat 3 for pulling the support frame 1 through the upper ear seat 3, and the middle part of the support frame 1 is also provided with a middle ear seat 4 for being matched with a fixed ear seat 15 arranged on a rotary table to fix the support frame 1.
A shaft end baffle 16 is further arranged on the rotary ear seat 12 near the inner side and used for limiting the rotation and inclination angle of the support frame 1 towards the connecting support seat in the center of the rotary table.
The bottom of the support frame 1 is provided with a lower lug seat 5, and the bottom of the support frame 1 is hinged with a rotary lug seat 12 of the revolving body 10 through a pin shaft by the lower lug seat 5.
Working principle: the lifting arms 11 on the two sides of the ladle turret are respectively provided with a set of supporting frames, and the purpose of safe fixed maintenance of each lifting arm 11 is fulfilled. The lower ear seat 5 at the lower end of the lifting arm support frame 1 is hinged with the rotary ear seat 12 of the rotary table through a pin shaft, the shaft is used as a rotary supporting point, when the lifting arm 11 needs to be supported, the upper ear seat 3 of the support frame 1 is pulled by a person or a crane, and the lifting arm support frame rotates to the position that the upper groove 2 is clamped in the safety clamping shaft 14 of the lifting arm 1, so that the fixing of the lifting arm 11 and the saddle seat is completed, and maintenance personnel can overhaul, disassemble and assemble the oil cylinder and the like. If the lifting arm 11 is not required to be supported, the support frame 1 can be rotated to the side close to the connecting support 13, and the middle ear seat 4 of the support frame 1 is hinged with the fixed ear seat 15 on the rotary table through the small pin shaft, so that the support frame 1 can be prevented from swinging randomly during working of the rotary table, and danger is avoided.
The lifting arm safety bracket of the rotary table has ingenious structure, each set of lifting arm is provided with one set of safety bracket, the lifting arms cannot be fixed through innovation of the lifting arm safety brackets, the problem that the lifting arms cannot be fixed can be well solved, the occurrence of potential safety hazards is reduced, the safety of maintenance personnel is ensured, on-line maintenance and replacement of spare parts can be ensured, the working efficiency is fully improved, the practicability is high, and the lifting arm safety bracket is worthy of popularization.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (3)
1. The lifting arm safety bracket of the rotary table is used for being arranged between a rotary body of the rotary table and each lifting arm to support the lifting arm and is characterized by comprising a support frame, wherein the bottom of the support frame is hinged with a rotary lug seat arranged on the rotary body through a pin shaft so that the support frame can rotate relative to the rotary body, an upper groove with an opening is arranged at the upper part of the support frame, the inner side wall of the upper groove, which is close to a connecting support on the rotary table, is higher than the outer side wall of the connecting support, which is far away from the rotary table, and a safety clamping shaft which can be matched with the upper groove is arranged in the middle of the lifting arm; the upper end of the support frame is provided with an upper ear seat for pulling the support frame through the upper ear seat, and the middle part of the support frame is also provided with a middle ear seat for being matched with a fixed ear seat arranged on the rotary table to fix the support frame.
2. The safety bracket of the lifting arm of the rotary table according to claim 1, wherein a shaft end baffle is further arranged on the rotary ear seat at a position close to the inner side and used for limiting the rotation and inclination angle of the support frame to the connecting support seat in the center of the rotary table.
3. The lifting arm safety bracket of the rotary table according to claim 1, wherein a lower lug is arranged at the bottom of the supporting frame, and the bottom of the supporting frame is hinged with the rotary lug of the rotary body through a pin shaft by the lower lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320364186.3U CN219449234U (en) | 2023-03-02 | 2023-03-02 | Safety support for lifting arm of rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320364186.3U CN219449234U (en) | 2023-03-02 | 2023-03-02 | Safety support for lifting arm of rotary table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219449234U true CN219449234U (en) | 2023-08-01 |
Family
ID=87419721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320364186.3U Active CN219449234U (en) | 2023-03-02 | 2023-03-02 | Safety support for lifting arm of rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219449234U (en) |
-
2023
- 2023-03-02 CN CN202320364186.3U patent/CN219449234U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |