Rotatable ladder for a main drum casing of a tire building machine

Abstract

The utility model relates to a rotatable ladder for tire forming machine main drum machine box belongs to tire production equipment field. Be equipped with ladder body, and ladder body is welded together by side crossbeam, front crossbeam, left stand, right stand, left and right two inclined columns and ladder face, and right stand side surface installs loose leaf, and loose leaf is hinged with pivot, and pivot is vertically fixed and installs in the side of forming main drum machine box, and the bottom of left side inclined column installs steering wheel, and the bottom of right side inclined column installs fixed brake device, and left stand side surface installs fixed sleeve pipe, and fixed sleeve pipe side surface processes fixed pin hole, and U-shaped telescopic handrail is inserted and is installed in fixed sleeve pipe, and telescopic handrail is hollow steel pipe, and one end side surface of telescopic handrail is provided with positioning pin hole, and left stand side surface is provided with fixed pin, and fixed pin can be inserted and installed in positioning pin hole and fixed pin hole, the left side inclined column outside installs positioning rod, and the other end of telescopic handrail can be sleeved on positioning rod.

Description

Technical Field

[0001] This utility model relates to the field of tire production equipment, and more specifically to a rotatable ladder for the main drum housing of a tire forming machine. Background Technology

[0002] As is well known, material accumulation frequently occurs on the composite parts conveyor belt above the main drum of a tire forming machine, requiring operators to enter the conveyor belt area for handling. Currently, there are two methods: First, operators enter the composite parts conveyor belt area through a safety window on the side of the forming machine. However, due to the limited space of the safety window, entering the conveyor belt area takes a considerable amount of time, restricts the handling of the problem, and poses a risk of fall when exiting. Second, operators climb over the main drum head housing of the forming machine to enter the composite parts conveyor belt area. This method lacks effective protection, and climbing over the main drum head housing again after handling the problem poses a risk of fall. Both methods present significant safety hazards. Summary of the Invention

[0003] In order to overcome the shortcomings of the existing technology, this utility model provides a rotatable ladder for the main drum housing of a tire forming machine, which can reduce the time for handling faults, improve production efficiency, and avoid the risk of falling when exiting after handling the fault.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a rotatable ladder for the main drum housing of a tire forming machine, which is provided with a ladder body. The ladder body is welded together by side crossbeams, front crossbeams, left column, right column, two inclined columns on the left and right sides, and ladder surface. The feature is that a hinge is installed on the side of the right column, and the hinge is hinged to the rotating shaft. The rotating shaft is vertically fixedly installed on the side of the forming main drum housing. A steering wheel is installed at the bottom of the left inclined column, and a fixed brake device is installed at the bottom of the right inclined column. A fixed sleeve is installed on the side of the left column. A fixed pin hole is machined on the side of the fixed sleeve. A U-shaped retractable handrail is inserted into the fixed sleeve. The retractable handrail is a hollow steel pipe. A positioning pin hole is opened on the side of one end of the retractable handrail. A fixed pin is set on the side of the left column. The fixed pin can be inserted into the positioning pin hole and the fixed pin hole. A positioning rod is installed on the outside of the left inclined column. The other end of the retractable handrail can be fitted onto the positioning rod.

[0005] The beneficial effects of this utility model are that, during use, the ladder is rotated out, the retractable handrail is pulled out, and troubleshooting is performed; after troubleshooting, the retractable handrail is lowered, and the ladder is rotated in the opposite direction to store it close to the main drum housing of the molding machine. This design is convenient to operate, occupies little space, shortens troubleshooting time, improves production efficiency, and minimizes the risk of falls when exiting after troubleshooting, thus ensuring the personal safety of operators. Attached Figure Description

[0006] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0007] Figure 1 This is a schematic diagram of the structure of the present invention.

[0008] In the diagram: 1. Main drum housing of the molding machine; 2. Ladder body; 3. Side crossbeam; 4. Front crossbeam; 5. Left column; 6. Right column; 7. Inclined column; 8. Ladder surface; 9. Telescopic handrail; 10. Fixed sleeve; 11. Positioning rod; 12. Fixed pin hole; 13. Positioning pin hole; 14. Fixed pin; 15. Rotating shaft; 16. Steering wheel; 17. Fixed brake device. Detailed Implementation

[0009] In the figure, this utility model includes a ladder body 2, which is welded together from a side crossbeam 3, a front crossbeam 4, a left column 5, a right column 6, two left and right inclined columns 7, and a ladder surface 8. The ladder surface 8 is made of patterned steel plate. An embedded hinge is installed on the side of the right column 6, and the hinge is hinged to a rotating shaft 15. The rotating shaft 15 is vertically fixed on the side of the forming main drum housing 1. A steering wheel 16 is installed at the bottom of the left inclined column 7. The steering wheel 16 is a universal wheel. A fixed brake device 17 is installed at the bottom of the right inclined column 7. The steering wheel 16 is connected to the fixed brake device. The left column 5 is mounted on the same horizontal plane as the left column 5. A fixing sleeve 10 is installed on the side of the fixing sleeve 10. A fixing pin hole 12 is machined on the side of the fixing sleeve 10. A U-shaped retractable handrail 9 is inserted into the fixing sleeve 10. The retractable handrail 9 is a hollow steel pipe. A positioning pin hole 13 is opened on the side of one end of the retractable handrail 9. A fixing pin 14 is set on the side of the left column 5. The fixing pin 14 can be inserted into the positioning pin hole 13 and the fixing pin hole 12. A positioning rod 11 is installed on the outside of the left inclined column 7. The other end of the retractable handrail 9 can be fitted onto the positioning rod 11.

[0010] When using the ladder, first release the fixed brake device 17, rotate the ladder body 2 outward to the desired position, lock the fixed brake device 17 to ensure that the ladder body 2 will not move, pull out the retractable handrail 9 and move it upward along the fixed sleeve 10. When the fixed pin hole 12 and the positioning pin hole 13 coincide, insert the fixed pin 14 to fix one end of the retractable handrail 9, and put the other end of the retractable handrail 9 on the positioning rod 11 to keep the retractable handrail 9 stable. The operator can then use the ladder to enter the area where the fault needs to be dealt with.

[0011] After the fault has been resolved, the operator uses a ladder to exit the faulty area, removes the fixing pin 14, first pulls one end of the retractable handrail 9 from the positioning rod 11, moves the retractable handrail 9 down along the fixing sleeve 10 to return to its original position, releases the fixing brake device 17, rotates the ladder body 2 inward so that the ladder body 2 is tightly against the main drum housing 1 of the molding machine, and locks the fixing brake device 17 to prevent the ladder from moving.

Claims

1. A rotatable ladder for the main drum housing of a tire forming machine, comprising a ladder body welded together from side crossbeams, a front crossbeam, a left upright, a right upright, two diagonal columns, and a ladder surface, characterized in that... A hinge is installed on the side of the right column, which is hinged to the rotating shaft. The rotating shaft is vertically fixed on the side of the forming main drum machine housing. A steering wheel is installed at the bottom of the left inclined column, and a fixed brake device is installed at the bottom of the right inclined column. A fixed sleeve is installed on the side of the left column, and a fixed pin hole is machined on the side of the fixed sleeve. A U-shaped retractable handrail is inserted into the fixed sleeve. The retractable handrail is a hollow steel pipe. A positioning pin hole is opened on the side of one end of the retractable handrail. A fixed pin is set on the side of the left column. The fixed pin can be inserted into the positioning pin hole and the fixed pin hole. A positioning rod is installed on the outside of the left inclined column, and the other end of the retractable handrail can be fitted onto the positioning rod.

Images