Angle opening and closing device of angle steel tower

Abstract

The utility model discloses an angle steel tower angle opening and closing device which comprises a base, a supporting frame is fixedly installed at the top of the base, a first motor is fixedly installed at the top of the inner wall of the base, a first gear is fixedly installed at the output end of the first motor, and a gear ring is movably meshed with the right side of the first gear. A rotating table is fixedly installed on the inner side of the gear ring, four rectangular through grooves are formed in the rotating table, rectangular rods are arranged on the inner sides of the rectangular through grooves, downward pressing blocks are fixedly installed at the bottom ends of the rectangular rods, the angles of the bottoms of the four downward pressing blocks are different, and a shell is fixedly installed at the position, close to the front side of the base, of the top of the base. A supporting plate is arranged above the shell and rotationally connected through a shaft pin. Through the cooperation of the structures, the lower pressing block is automatically replaced according to the opening and closing angle of the supporting plate, so that workers are prevented from frequently and manually disassembling and assembling the lower pressing block, and then the angle steel machining efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of angle steel opening and closing angles, in particular to an angle steel tower opening and closing angle device. Background Art

[0002] Angle steel, also known as angle iron, is a long steel strip with two sides perpendicular to each other at a 90-degree angle. Angle steel is divided into two types: equilateral angle steel and unequal angle steel. The two sides of equilateral angle steel are equal in width. Angle steel is widely used in various building structures and engineering structures, such as beams, bridges, transmission towers, lifting and transportation machinery, ships, industrial furnaces, reaction towers, and container racks. In the process of angle steel processing, it is necessary to process the opening and closing angles. The existing publication number CN216655875U discloses an angle steel tower opening and closing angle device. Through the use of an opening and closing angle adjustment mechanism and an angle steel pressing mechanism, angle steels with different opening and closing angles can be obtained. While improving the work efficiency of the angle steel tower opening and closing angle device processing, the practicability of the device is improved, and it is convenient for subsequent staff to build angle steel towers, improving the work efficiency of staff. However, the opening and closing angle device requires frequent manual disassembly of bolts and nuts to replace the pressing block, which greatly reduces the efficiency of angle steel processing and brings certain adverse effects to actual use. Therefore, it needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to provide an angle steel tower opening and closing angle device, which has a rotating device that realizes automatic replacement of the lower pressure block according to the opening and closing angle of the support plate, thereby avoiding frequent manual disassembly and assembly of the lower pressure block by staff, thereby improving the efficiency of angle steel processing, bringing certain beneficial effects to actual use, and solving the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an angle steel tower opening and closing angle device, comprising a base, a support frame is fixedly installed on the top of the base, a first motor is fixedly installed on the top of the inner wall of the base and close to its left side, a rotating shaft is fixedly installed on the output end of the first motor, a first gear is fixedly installed on the bottom end of the rotating shaft, a gear ring is movably engaged on the right side of the first gear, a rotating table is fixedly installed on the inner side of the gear ring, four rectangular through grooves distributed in a circular array are opened inside the rotating table, a rectangular rod is provided on the inner side of the rectangular through groove, a lower pressure block is fixedly installed on the bottom end of the rectangular rod, and the bottoms of the four lower pressure blocks are The angles are different, a shell is fixedly installed on the top of the base and near its front side, a second motor is fixedly installed on the rear side of the inner wall of the shell, a rotating shaft is fixedly installed on the output end of the second motor, a second gear is fixedly installed on the front end of the rotating shaft, and tooth plates are movably engaged with the upper and lower sides of the second gear, a moving rod is fixedly installed on one end of the tooth plate, the top of the moving rod passes through the shell and is fixedly connected to a moving block, the top of the moving block is movably connected to a support rod through a hinge, the other end of the support rod is movably connected to a support plate through a hinge, and the support plate is rotatably connected through an axle pin, and the axle pin is fixedly connected to the top of the shell through a support frame.

[0005] Preferably, a hydraulic rod is fixedly installed in the middle of the top of the support frame, and the bottom end of the hydraulic rod passes through the support frame and is fixedly connected to a top rod.

[0006] Preferably, a rotation groove is provided on the outer side of the rotating platform and near the bottom thereof, a rotation sleeve is rotatably connected to the inner side of the rotation groove, and the rotation sleeve is fixedly connected to both sides of the inner wall of the support frame through a connecting rod.

[0007] Preferably, connecting blocks are fixedly installed on both sides of the inner wall of the rectangular through groove and close to the top thereof, a spring is fixedly installed at the bottom of the connecting block, and the bottom end of the spring is fixedly connected to the top of the rectangular rod.

[0008] Preferably, an anti-skid pad is fixedly installed on the inner side of the support plate, and the anti-skid pad is made of rubber.

[0009] Preferably, a through hole is provided inside the moving block, a bearing rod is slidably connected inside the through hole, and two ends of the bearing rod are fixedly connected to two sides of the inner wall of the support frame.

[0010] Preferably, a slider is fixedly installed on the top of the upper tooth plate and the bottom of the lower tooth plate, a slide groove is fixedly installed on the top of the inner wall of the shell and the top of the base, and the slider is slidably connected and adapted to the slide groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: starting the second motor can drive the second gear to rotate, the second gear can drive the tooth plate to move, the tooth plate can drive the moving rod and the moving block, the moving block can drive the support plate to open and close through the support rod, and at the same time starting the first motor can drive the first gear to rotate, the first gear can drive the gear ring to rotate, the gear ring can drive the rotating table to rotate, the rotating table can drive the rectangular rod inside the rectangular through groove to rotate, and the rectangular rod can drive the lower pressure block at its bottom end to rotate, thereby realizing automatic replacement of the lower pressure block according to the opening and closing angle of the support plate, thereby avoiding frequent manual disassembly and assembly of the lower pressure block by staff, and thereby improving the efficiency of angle steel processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the shell of the utility model;

[0014] Figure 3 This is a schematic diagram of the internal structure of the rectangular through slot of the utility model;

[0015] Figure 4 It is an enlarged view of point A of the present utility model.

[0016] In the figure: 1. base; 2. support frame; 3. first motor; 4. first gear; 5. gear ring; 6. rotating table; 7. rectangular through groove; 8. rectangular rod; 9. lower pressure block; 10. shell; 11. second motor; 12. second gear; 13. gear plate; 14. moving rod; 15. moving block; 16. support rod; 17. support plate; 18. hydraulic rod; 19. push rod; 20. rotating sleeve; 21. spring; 22. anti-skid pad; 23. through hole; 24. load-bearing rod; 25. slider; 26. slide groove. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example 1, please refer to Figures 1 to 4The utility model provides a technical solution: an angle steel tower opening and closing angle device, comprising a base 1, a support frame 2 is fixedly installed on the top of the base 1, a first motor 3 is fixedly installed on the top of the inner wall of the base 1 and close to its left side, a rotating shaft is fixedly installed on the output end of the first motor 3, a first gear 4 is fixedly installed on the bottom end of the rotating shaft, a gear ring 5 is movably engaged on the right side of the first gear 4, a rotating table 6 is fixedly installed on the inner side of the gear ring 5, four rectangular through grooves 7 distributed in a circular array are opened inside the rotating table 6, a rectangular rod 8 is provided on the inner side of the rectangular through groove 7, a lower pressing block 9 is fixedly installed on the bottom end of the rectangular rod 8, and the angles of the bottoms of the four lower pressing blocks 9 are different, the top of the base 1 and A shell 10 is fixedly installed near its front side, and a second motor 11 is fixedly installed on the rear side of the inner wall of the shell 10. A rotating shaft is fixedly installed on the output end of the second motor 11, and a second gear 12 is fixedly installed on the front end of the rotating shaft. A tooth plate 13 is movably engaged with the upper and lower sides of the second gear 12, and a moving rod 14 is fixedly installed on one end of the tooth plate 13. The top of the moving rod 14 passes through the shell 10 and is fixedly connected to a moving block 15. The top of the moving block 15 is movably connected to a support rod 16 through a hinge, and the other end of the support rod 16 is movably connected to a support plate 17 through a hinge, and the support plate 17 is rotatably connected through an axle pin, and the axle pin is fixedly connected to the top of the shell 10 through a support frame.

[0019] Furthermore, a hydraulic rod 18 is fixedly installed in the middle of the top of the support frame 2, and the bottom end of the hydraulic rod 18 passes through the support frame 2 and is fixedly connected to a push rod 19. When the hydraulic rod 18 is started, it can drive the push rod 19 to be inserted into the interior of the rectangular through groove 7, so that the rectangular rod 8 can be pushed downward, and the rectangular rod 8 can drive the lower pressure block 9 to process the opening and closing angles of the angle steel.

[0020] Furthermore, a rotating groove is opened on the outer side of the rotating table 6 and near its bottom, and a rotating sleeve 20 is rotatably connected to the inner side of the rotating groove. The rotating sleeve 20 is fixedly connected to the inner walls of the support frame 2 on both sides through a connecting rod. Through the setting of the rotating groove and the rotating sleeve 20, the rotating table 6 can rotate stably.

[0021] Furthermore, connecting blocks are fixedly installed on both sides of the inner wall of the rectangular through groove 7 and near its top, and a spring 21 is fixedly installed at the bottom of the connecting block. The bottom end of the spring 21 is fixedly connected to the top of the rectangular rod 8. After the angle steel is opened and closed, the spring 21 can restore the pressing block 9 to its original position, thereby facilitating the opening and closing of the angle steel again.

[0022] Example 2, please refer to Figures 1 to 4The difference between this embodiment and embodiment 1 is that an anti-skid pad 22 is fixedly installed on the inner side of the support plate 17, and the anti-skid pad 22 is made of rubber. The anti-skid pad 22 can increase the friction between the support plate 17 and the angle steel, thereby improving the stability of the angle steel during processing. A through hole 23 is opened inside the moving block 15, and a bearing rod 24 is slidably connected inside the through hole 23. The two ends of the bearing rod 24 are fixedly connected to the two sides of the inner wall of the support frame 2, and the bearing rod 24 can support the moving block 15. A slider 25 is fixedly installed on the top of the upper tooth plate 13 and the bottom of the lower tooth plate 13. A slide groove 26 is fixedly installed on the top of the inner wall of the shell 10 and the top of the base 1. The slider 25 is slidably connected and adapted to the slide groove 26, and the tooth plate 13 can move stably under the sliding action of the slider 25 and the slide groove 26.

[0023] Working principle: When the angle steel tower opening and closing angle device is in use, the staff can place the angle steel to be opened and closed on the top of the support plate 17, and then the staff can start the second motor 11, the second motor 11 can drive the second gear 12 to rotate, the second gear 12 can drive the tooth plate 13 to move, the tooth plate 13 can drive the moving rod 14 and the moving block 15 to move, the moving block 15 can drive the support plate 17 to open and close through the support rod 16, when the support plate 17 is opened and closed to a suitable angle, the staff can start the first motor 3, the first motor 3 can drive the first gear 4 to rotate, and the first gear 4 can drive the gear ring 5 is rotated, the gear ring 5 can drive the rotating table 6 to rotate, the rotating table 6 can drive the rectangular rod 8 inside the rectangular through groove 7 to rotate, and the rectangular rod 8 can drive the lower pressing block 9 at its bottom to rotate, thereby realizing automatic replacement of the lower pressing block 9 according to the opening and closing angle of the support plate 17, thereby avoiding the staff from frequently manually disassembling and assembling the lower pressing block 9, thereby improving the efficiency of angle steel processing. After the adjustment is completed, the staff can start the hydraulic rod 18, and the hydraulic rod 18 can drive the push rod 19 to insert into the interior of the rectangular through groove 7, so as to push the rectangular rod 8 downward, and the rectangular rod 8 can drive the lower pressing block 9 to process the opening and closing angle of the angle steel.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An angle steel tower opening and closing angle device, comprising a base (1), characterized in that: A support frame (2) is fixedly mounted on the top of the base (1); a first motor (3) is fixedly mounted on the top of the inner wall of the base (1) and near the left side thereof; a rotating shaft is fixedly mounted on the output end of the first motor (3); a first gear (4) is fixedly mounted on the bottom end of the rotating shaft; a gear ring (5) is movably engaged with the right side of the first gear (4); a rotating platform (6) is fixedly mounted on the inner side of the gear ring (5); four rectangular through grooves (7) arranged in a circular array are formed inside the rotating platform (6); a rectangular rod (8) is provided on the inner side of the rectangular through groove (7); a lower pressing block (9) is fixedly mounted on the bottom end of the rectangular rod (8); and the bottoms of the four lower pressing blocks (9) have different angles; a shell (10) is fixedly mounted on the top of the base (1) and near the front side thereof. ), a second motor (11) is fixedly mounted on the rear side of the inner wall of the shell (10), a rotating shaft is fixedly mounted on the output end of the second motor (11), a second gear (12) is fixedly mounted on the front end of the rotating shaft, a tooth plate (13) is movably engaged with the upper and lower sides of the second gear (12), a moving rod (14) is fixedly mounted on one end of the tooth plate (13), the top end of the moving rod (14) passes through the shell (10) and is fixedly connected to a moving block (15), the top of the moving block (15) is movably connected to a support rod (16) via a hinge, the other end of the support rod (16) is movably connected to a support plate (17) via a hinge, and the support plate (17) is rotatably connected via an axle pin, and the axle pin is fixedly connected to the top of the shell (10) via a support frame.

2. The angle steel tower opening and closing angle device according to claim 1, characterized in that: A hydraulic rod (18) is fixedly mounted in the middle of the top of the support frame (2), and the bottom end of the hydraulic rod (18) passes through the support frame (2) and is fixedly connected to a top rod (19).

3. The angle steel tower opening and closing angle device according to claim 1, characterized in that: A rotating groove is provided on the outer side of the rotating platform (6) and near the bottom thereof, and a rotating sleeve (20) is rotatably connected to the inner side of the rotating groove. The rotating sleeve (20) is fixedly connected to both sides of the inner wall of the support frame (2) via connecting rods.

4. The angle steel tower opening and closing angle device according to claim 1, characterized in that: Connecting blocks are fixedly mounted on both sides of the inner wall of the rectangular through slot (7) and close to the top thereof, a spring (21) is fixedly mounted on the bottom of the connecting block, and the bottom end of the spring (21) is fixedly connected to the top of the rectangular rod (8).

5. The angle steel tower opening and closing angle device according to claim 1, characterized in that: An anti-skid pad (22) is fixedly mounted on the inner side of the support plate (17), and the anti-skid pad (22) is made of rubber.

6. The angle steel tower opening and closing angle device according to claim 1, characterized in that: A through hole (23) is provided inside the moving block (15), a bearing rod (24) is slidably connected inside the through hole (23), and two ends of the bearing rod (24) are fixedly connected to two sides of the inner wall of the support frame (2).

7. The angle steel tower opening and closing angle device according to claim 1, characterized in that: A slider (25) is fixedly mounted on the top of the upper tooth plate (13) and the bottom of the lower tooth plate (13), a slide groove (26) is fixedly mounted on the top of the inner wall of the housing (10) and the top of the base (1), and the slider (25) is slidably connected and adapted to the slide groove (26).

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