Bending device for shield beam plate

Abstract

The invention discloses a bending device for a shield beam plate, and relates to the technical field of beam plate bending. Comprising a device base and a beam plate body, a U-shaped fixed plate is fixedly installed on the upper end face of the device base, electric push rods which are symmetrically arranged are fixedly installed on the inner side face of the U-shaped fixed plate, and L-shaped clamping plates are fixedly installed on output shafts of the electric push rods; a driving assembly is fixedly installed on the U-shaped fixed plate, limiting arc plates which are symmetrically arranged in the front-back direction are fixedly installed on the side end face of the device base, installation assemblies are arranged on the limiting arc plates, and bending of the beam plate body is conveniently completed through cooperation of the driving assembly and the installation assemblies. An auxiliary assembly is arranged on the device base, and four supporting bottom plates are fixedly installed on the device base. Through cooperative use of the driving assembly, the mounting assembly and the auxiliary assembly, high-precision control over the bending process of the beam plate body is achieved, and the stability and effect in the bending process can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of beam and slab bending, and specifically to a bending device for shielding beam and slab. Background Art

[0002] The shielding beam and slab in the support plays a role of shielding and protection. The shielding beam and slab is usually composed of side plates in three outer directions and other inner structures. The outer side plates can be bent from a whole side plate.

[0003] In the prior art, a Chinese patent with the publication number "CN216705552U" discloses a bending device for shielding beam and slab. By adjusting the distance between two processing platforms, the bent position of the shielding beam and slab is made to correspond to the left and right edge positions of the processing platform to adapt to the bending position of the shielding beam and slab. By turning the handle to drive the screw rod to rotate, the left and right positions of the base block are adjusted so that the distance between the rotating plate and the processing platform when the rotating plate faces down corresponds to the thickness of the shielding beam and slab. By adjusting the position of the trapezoidal block, the trapezoidal block can push the shielding beam and slab to the center position of the device, so that the widths of the two side plates of the bent shielding beam and slab are the same. By pressing the middle position of the rotating plate by the second cylinder to drive the rotating plate to rotate relative to the pressing plate, compared with driving the hinged position of the pressing plate and the rotating plate, less power is required and power consumption is saved. It solves the problem that the existing bending device can usually only bend one side of a flat plate at a time. The shielding beam and slab that has been bent once needs to be bent a second time, and after being bent once, it is no longer a flat plate and may not be suitable for the device. The device cannot be adjusted for shielding beam and slabs of different widths and thicknesses, and the applicability is poor.

[0004] In the above-described solution, when bending the beam and slab, the first cylinder is used to drive the pressing plate to move downward to complete the fixation of the beam and slab. However, during the process of pressing down at both ends of the beam and slab, due to the lack of fixation of the side end faces, lateral displacement is likely to occur. At the same time, during the pressing process, only a pressing plate with an unadjustable position is set for pressing. Since the fixed pressing plate usually applies uniform pressure only at a certain position, it is impossible to apply pressure to different positions of the beam and slab according to the degree of bending of the beam and slab. Due to the uneven pressure distribution, quality problems of the bent beam and slab may occur. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a bending device for shielding beam and slab, which solves the problems mentioned in the above background art.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: A bending device for a cover beam slab, comprising a device base and a beam slab body. An L-shaped clamping plate is fixedly installed on the output shaft of the electric push rod, and a U-shaped fixed plate is fixedly installed on the upper end surface of the device base. Symmetrically arranged electric push rods are fixedly installed on the inner side surface of the U-shaped fixed plate. A driving component is fixedly installed on the U-shaped fixed plate. Limiting arc plates arranged symmetrically front and back are fixedly installed on the side end surface of the device base. An installation component is arranged on the limiting arc plate. Through the cooperation of the driving component and the installation component, it is convenient to complete the bending of the beam slab body. An auxiliary component is arranged on the device base, and four support bottom plates are fixedly installed on the device base.

[0007] Preferably, the driving component includes a hydraulic cylinder fixedly installed on the U-shaped fixed plate. A lifting frame plate is fixedly installed on the telescopic rod of the hydraulic cylinder. A vertical toothed rod is fixedly installed on the lower end surface of the lifting frame plate. A limiting slider is fixedly installed on the side end surface of the vertical toothed rod. A limiting chute is opened on the outer side surface of the device base.

[0008] Preferably, the installation component includes an installation fixed shaft rotatably installed on the limiting arc plate. A U-shaped rotating frame is fixedly installed on the installation fixed shaft. A driving gear is fixedly installed at one end of the installation fixed shaft away from the limiting arc plate. A limiting arc groove is opened on the outer side surface of the limiting arc plate.

[0009] Preferably, a positioning chute is opened on the inner side surface of the U-shaped rotating frame. A positioning rotating shaft is slidably installed inside the positioning chute. A bending plate is fixedly installed on the positioning rotating shaft. A bending groove is opened on the inner side surface of the bending plate. A rotating block is rotatably installed on the side end surface of the bending plate. An adjusting screw rod is fixedly installed on the rotating block. An adjusting handle is fixedly installed at one end of the adjusting screw rod away from the rotating block.

[0010] Preferably, the limiting slider is slidably connected with the limiting chute, the vertical toothed rod is meshed with the driving gear, the positioning rotating shaft is slidably connected with the limiting arc groove, one end of the adjusting screw rod away from the rotating block extends to the outside of the U-shaped rotating frame, and the U-shaped rotating frame is slidably connected with the limiting arc plate.

[0011] Preferably, the auxiliary component includes two L-shaped vertical rods fixedly installed on the lifting frame plate. Symmetrically arranged mounting plates are fixedly installed on the side end surfaces of the two L-shaped vertical rods. A T-shaped fixed shaft is rotatably installed on the mounting plate. A driving fixed rod is fixedly installed on the T-shaped fixed shaft. A rotating block is fixedly installed on the side end surface of the driving fixed rod. A fixed shaft is fixedly installed on the rotating block.

[0012] Preferably, a stable pressure roller is fixedly installed on the fixed shaft. A lifting chute is opened on the inner side surface of the U-shaped fixed plate. A U-shaped frame plate is fixedly installed on the device base. A stable chute is opened on the U-shaped frame plate.

[0013] Preferably, the driving fixed rod is arranged obliquely, the L-shaped vertical rod is slidably connected to the lifting chute, and one end of the fixed shaft away from the rotating block passes through the stable chute and is in sliding contact with the stable chute.

[0014] Preferably, U-shaped cross plates are fixedly installed on the front and rear end faces of the U-shaped frame plate, a set of tooth blocks are fixedly installed on the U-shaped cross plate, an auxiliary gear is fixedly installed on the fixed shaft outside the stable pressure roller, and the auxiliary gear meshes with the set of tooth blocks.

[0015] The present invention provides a bending device for a covering beam slab. Compared with the prior art, it has the following beneficial effects: 1. In the present invention, the beam slab body to be bent is placed on the device base. By rotating the adjusting handle, the adjusting screw rod is rotated by the adjusting handle. Through the cooperation of the adjusting screw rod and the rotating block, and the cooperation of the positioning rotating shaft and the positioning chute, the bending groove on the bending plate is engaged with the end of the beam slab body. Then, the L-shaped clamping plate is driven by the electric push rod to move inwards, and the two L-shaped clamping plates are used to fix the beam slab body. Then, the lifting frame plate is driven to rise by the hydraulic cylinder. By using the vertical tooth rod on the lifting frame plate to cooperate with the driving gear, the U-shaped rotating frame is located inside the limiting arc groove through the upper positioning rotating shaft. Through the positioning sliding of the positioning rotating shaft and the limiting arc groove, the U-shaped rotating frame rotates around the installation fixed shaft, and through the rotation of the U-shaped rotating frame, the bending of the beam slab body is completed by using the bending plate, effectively improving the accuracy and stability of the beam slab body during the bending process; 2. In the present invention, when the lifting frame plate rises, it will synchronously drive the L-shaped vertical rod to rise synchronously. The mounting plate on the L-shaped vertical rod will drive the driving fixed rod to move through the T-shaped fixed shaft. The driving fixed rod will cooperate with the stable chute on the U-shaped fixed plate through the fixed shaft, so that one end of the driving fixed rod rises and the other end is in a horizontal moving state. The stable pressure roller on the fixed shaft will follow the driving of the driving fixed rod and roll counterclockwise on the end face of the beam slab body. Through the position adjustment of the stable pressure roller on the beam slab body following the bending degree of the beam slab body, the pressure can be evenly distributed on both sides of the beam slab, and at the same time, the beam slab body is not easy to generate lateral displacement or irregular deformation during bending, thereby improving the accuracy during the bending process; 3. In the present invention, when the stable pressure roller continuously rolls on the beam slab body, the auxiliary gear on the fixed shaft will mesh with the set of tooth blocks on the U-shaped cross plate, which can not only ensure that the stable pressure roller accurately follows the specified track movement, but also effectively control the rolling direction and speed of the stable pressure roller on the end face of the beam slab body, so as to realize the precise distribution of pressure during the bending process and further enhance the effect of the beam slab body during the bending process; 4. In the present invention, through the combined use of the driving component, the mounting component and the auxiliary component, high-precision control of the bending process of the beam and plate body is achieved, and the stability and effect during the bending process can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is Figure 1 an enlarged view of part A in Figure 3 is a schematic diagram of the structure of the mounting component in the present invention; Figure 4 is a schematic diagram of the structure of the limiting arc plate in the present invention; Figure 5 is a schematic diagram of the structure of the lifting frame plate in the present invention; Figure 6 is a partial schematic diagram of the structure of the driving component in the present invention; Figure 7 is a schematic diagram of the structure of the device base in the present invention; Figure 8 is a schematic diagram of the structure of the driving fixed rod in the present invention.

[0017] In the figure: 1. Device base; 2. Beam and plate body; 3. U-shaped fixed plate; 4. Electric push rod; 5. L-shaped clamping plate; 6. Limiting arc plate; 7. Support bottom plate; 8. Hydraulic cylinder; 9. Lifting frame plate; 10. Vertical toothed rod; 11. Limiting slider; 12. Limiting chute; 13. Mounting fixed shaft; 14. U-shaped rotating frame; 15. Driving gear; 16. Limiting arc groove; 17. Positioning rotating shaft; 18. Bending plate; 19. Bending groove; 20. Rotating block; 21. Adjusting screw rod; 22. Adjusting handle; 23. L-shaped vertical rod; 24. Mounting plate; 25. T-shaped fixed shaft; 26. Driving fixed rod; 27. Rotating block; 28. Fixed shaft; 29. Stable pressure roller; 30. Lifting chute; 31. U-shaped frame plate; 32. Stable chute; 33. U-shaped cross plate; 34. Tooth block group; 35. Auxiliary gear; 36. Positioning chute. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figure 1-8, the present invention is a bending device for a covering beam plate, including a device base 1 and a beam plate body 2. An upper end surface of the device base 1 is fixedly installed with a U-shaped fixed plate 3. Inner side surfaces of the U-shaped fixed plate 3 are fixedly installed with symmetrically arranged electric push rods 4. Output shafts of the electric push rods 4 are fixedly installed with L-shaped clamping plates 5. A driving assembly is fixedly installed on the U-shaped fixed plate 3. Side end surfaces of the device base 1 are fixedly installed with front and rear symmetrically arranged limiting arc plates 6. Mounting assemblies are arranged on the limiting arc plates 6. Through the cooperation of the driving assembly and the mounting assemblies, it is convenient to complete the bending of the beam plate body 2. Among them, the L-shaped clamping plates 5 are attached to side end surfaces of the beam plate body 2 to ensure that the beam plate body 2 does not shift.

[0020] The driving assembly includes a hydraulic cylinder 8 fixedly installed on the U-shaped fixed plate 3. A telescopic rod of the hydraulic cylinder 8 is fixedly installed with a lifting frame plate 9. A lower end surface of the lifting frame plate 9 is fixedly installed with a vertical toothed rod 10. A side end surface of the vertical toothed rod 10 is fixedly installed with a limiting slider 11. A limiting chute 12 is formed on an outer side surface of the device base 1. The mounting assemblies include a mounting fixed shaft 13 rotatably installed on the limiting arc plate 6. A U-shaped rotating frame 14 is fixedly installed on the mounting fixed shaft 13. One end of the mounting fixed shaft 13 away from the limiting arc plate 6 is fixedly installed with a driving gear 15. A limiting arc groove 16 is formed on an outer side surface of the limiting arc plate 6. Among them, the hydraulic cylinder 8 is controlled by a hydraulic system. Since the hydraulic system is a well-known technology to those skilled in the art, no specific description is given here; A positioning chute 36 is formed on an inner side surface of the U-shaped rotating frame 14. A positioning rotating shaft 17 is slidably installed inside the positioning chute 36. A bending plate 18 is fixedly installed on the positioning rotating shaft 17. A bending groove 19 is formed on an inner side surface of the bending plate 18. A rotating block 20 is rotatably installed on a side end surface of the bending plate 18. An adjusting lead screw 21 is fixedly installed on the rotating block 20. One end of the adjusting lead screw 21 away from the rotating block 20 is fixedly installed with an adjusting handle 22. The limiting slider 11 is slidably connected with the limiting chute 12. The vertical toothed rod 10 is engaged with the driving gear 15. The positioning rotating shaft 17 is slidably connected with the limiting arc groove 16. One end of the adjusting lead screw 21 away from the rotating block 20 extends to the outside of the U-shaped rotating frame 14. The U-shaped rotating frame 14 is slidably connected with the limiting arc plate 6. Among them, the bending groove 19 is clamped on a head end of the beam plate body 2. When the bending plate 18 rotates, it can drive the beam plate body 2 to bend. Among them, the position of the bending plate 18 can be adjusted by using the adjusting lead screw 21, which is convenient for personnel to place the beam plate body 2 on the device base 1.

[0021] In this embodiment, the beam and slab body 2 to be bent is placed on the device base 1. By rotating the adjustment handle 22, the adjustment screw rod 21 is rotated by using the adjustment handle 22. Through the cooperation of the adjustment screw rod 21 and the rotating block 20, and the cooperation of the positioning rotating shaft 17 and the positioning chute 36, the bending groove 19 on the bending plate 18 is engaged with the end of the beam and slab body 2. Then, the electric push rod 4 is used to drive the L-shaped clamping plate 5 to move inward, and the two L-shaped clamping plates 5 are used to fix the beam and slab body 2. Then, the hydraulic cylinder 8 is used to drive the lifting frame plate 9 to rise. By using the vertical toothed rod 10 on the lifting frame plate 9 to cooperate with the driving gear 15, the U-shaped rotating frame 14 is located inside the limiting arc groove 16 through the upper positioning rotating shaft 17. Through the positioning sliding of the positioning rotating shaft 17 and the limiting arc groove 16, the U-shaped rotating frame 14 rotates around the installation fixed shaft 13. Through the rotation of the U-shaped rotating frame 14, the bending of the beam and slab body 2 is completed by using the bending plate 18, effectively improving the accuracy and stability of the beam and slab body 2 during the bending process.

[0022] An auxiliary component is arranged on the device base 1. Four support bottom plates 7 are fixedly installed on the device base 1. The auxiliary component includes two L-shaped vertical rods 23 fixedly installed on the lifting frame plate 9. Symmetrically arranged mounting plates 24 are fixedly installed on the side end faces of the two L-shaped vertical rods 23. A T-shaped fixed shaft 25 is rotatably installed on the mounting plate 24. A driving fixed rod 26 is fixedly installed on the T-shaped fixed shaft 25. A rotating block 27 is fixedly installed on the side end face of the driving fixed rod 26. A fixed shaft 28 is fixedly installed on the rotating block 27. A stable pressure roller 29 is fixedly installed on the fixed shaft 28. A lifting chute 30 is formed on the inner side face of the U-shaped fixed plate 3. A U-shaped frame plate 31 is fixedly installed on the device base 1. A stable chute 32 is formed on the U-shaped frame plate 31. The driving fixed rod 26 is arranged obliquely. The L-shaped vertical rod 23 is slidably connected with the lifting chute 30. One end of the fixed shaft 28 far away from the rotating block 27 passes through the stable chute 32 and is in sliding contact with the stable chute 32. U-shaped cross plates 33 are fixedly installed on the front and rear end faces of the U-shaped frame plate 31. A toothed block group 34 is fixedly installed on the U-shaped cross plate 33. An auxiliary gear 35 is fixedly installed on the fixed shaft 28 and outside the stable pressure roller 29. The auxiliary gear 35 is engaged with the toothed block group 34. Among them, the fixed shaft 28 is limited and slid in the stable chute 32 to ensure that the fixed shaft 28 will not tilt. Among them, the toothed block group 34 on the U-shaped frame plate 31 can be installed according to the needs of personnel. It can be all arranged on the U-shaped frame plate 31 or arranged on the latter half of the U-shaped frame plate 31. By arranging on the latter half of the U-shaped frame plate 31, it is ensured that during the horizontal movement of the stable pressure roller 29, different effects can be achieved at different positions.

[0023] In this embodiment, when the lifting frame plate 9 rises, it will synchronously drive the L-shaped vertical rod 23 to rise synchronously. The mounting plate 24 on the L-shaped vertical rod 23 will drive the driving fixed rod 26 to move through the T-shaped fixed shaft 25. The driving fixed rod 26 will cooperate with the stable sliding groove 32 on the U-shaped fixed plate 3 through the fixed shaft 28, so that one end of the driving fixed rod 26 rises and the other end is in a horizontal moving state. The stable pressure roller 29 on the fixed shaft 28 will follow the drive of the driving fixed rod 26 and roll counterclockwise on the end face of the beam plate body 2. By adjusting the position of the stable pressure roller 29 on the beam plate body 2 according to the bending degree of the beam plate body 2, the pressure can be evenly distributed on both sides of the beam plate, and at the same time, the beam plate body 2 is not easy to generate lateral displacement or irregular deformation during bending, thereby improving the accuracy during the bending process. When the stable pressure roller 29 continuously rolls on the beam plate body 2, the auxiliary gear 35 on the fixed shaft 28 will engage with the tooth block group 34 on the U-shaped cross plate 33, which can not only ensure that the stable pressure roller 29 accurately follows the specified track, but also effectively control the rolling direction and speed of the stable pressure roller 29 on the end face of the beam plate body 2, so as to realize the precise distribution of pressure during the bending process and further enhance the effect of the beam plate body 2 during the bending process.

[0024] Working principle: During use, place the beam plate body 2 to be bent on the device base 1. By rotating the adjustment handle 22, the adjustment screw rod 21 is rotated by the adjustment handle 22. Through the cooperation of the adjustment screw rod 21 and the rotating block 20, and the cooperation of the positioning rotating shaft 17 and the positioning sliding groove 36, the bending groove 19 on the bending plate 18 is engaged with the end of the beam plate body 2, and then the L-shaped clamping plate 5 is driven by the electric push rod 4 to move inward, and the beam plate body 2 is fixed by the two L-shaped clamping plates 5. Then, the hydraulic cylinder 8 is used to drive the lifting frame plate 9 to rise. The vertical tooth rod 10 on the lifting frame plate 9 is matched with the driving gear 15, so that the U-shaped rotating frame 14 is located inside the limit arc groove 16 through the upper positioning rotating shaft 17. Through the positioning sliding of the positioning rotating shaft 17 and the limit arc groove 16, the U-shaped rotating frame 14 rotates around the installation fixed shaft 13. Through the rotation of the U-shaped rotating frame 14, the bending of the beam plate body 2 is completed by using the bending plate 18. When the lifting frame plate 9 rises, it will synchronously drive the L-shaped vertical rod 23 to rise. The mounting plate 24 on the L-shaped vertical rod 23 will drive the driving fixed rod 26 to move through the T-shaped fixed shaft 25. The driving fixed rod 26 will cooperate with the stable sliding groove 32 on the U-shaped fixed plate 3 through the fixed shaft 28, so that one end of the driving fixed rod 26 rises and the other end is in a horizontal moving state. The stable pressure roller 29 on the fixed shaft 28 will follow the drive of the driving fixed rod 26 and roll counterclockwise on the end face of the beam plate body 2. The position of the stable pressure roller 29 is adjusted on the beam plate body 2 according to the bending degree of the beam plate body 2, so that the pressure can be evenly distributed on both sides of the beam plate, and at the same time, the beam plate body 2 is not easy to generate lateral displacement or irregular deformation when bending; When the stable pressure roller 29 continuously rolls on the beam plate body 2, the auxiliary gear 35 on the fixed shaft 28 will mesh with the tooth block group 34 on the U-shaped cross plate 33, which can not only ensure that the stable pressure roller 29 accurately follows the specified trajectory, but also effectively control the rolling direction and speed of the stable pressure roller 29 on the end face of the beam plate body 2, so as to realize the precise distribution of pressure during the bending process.

[0025] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0026] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention.

Claims

1. A bending device for a cover beam slab, comprising a device base (1) and a beam slab body (2), characterized in that: The upper end surface of the device base (1) is fixedly installed with a U-shaped fixed plate (3). On the inner side surface of the U-shaped fixed plate (3), symmetrically arranged electric push rods (4) are fixedly installed. The output shaft of the electric push rod (4) is fixedly installed with an L-shaped clamping plate (5). A driving component is fixedly installed on the U-shaped fixed plate (3). On the side end surface of the device base (1), front and rear symmetrically arranged limiting arc plates (6) are fixedly installed. An installation component is arranged on the limiting arc plate (6). Through the cooperation of the driving component and the installation component, it is convenient to complete the bending of the beam plate body (2). An auxiliary component is arranged on the device base (1). Four supporting bottom plates (7) are fixedly installed on the device base (1).

2. The bending device for a cover beam slab according to claim 1, characterized in that: The driving component includes a hydraulic cylinder (8) fixedly installed on the U-shaped fixed plate (3). The telescopic rod of the hydraulic cylinder (8) is fixedly installed with a lifting frame plate (9). The lower end surface of the lifting frame plate (9) is fixedly installed with a vertical toothed rod (10). The side end surface of the vertical toothed rod (10) is fixedly installed with a limiting slider (11). A limiting chute (12) is opened on the outer side surface of the device base (1).

3. The bending device for a cover beam slab according to claim 2, characterized in that: The installation component includes an installation fixed shaft (13) rotatably installed on the limiting arc plate (6). A U-shaped rotating frame (14) is fixedly installed on the installation fixed shaft (13). A driving gear (15) is fixedly installed at one end of the installation fixed shaft (13) away from the limiting arc plate (6). A limiting arc groove (16) is opened on the outer side surface of the limiting arc plate (6).

4. A bending device for a cover beam slab, according to claim 3, characterized in that: A positioning chute (36) is opened on the inner side surface of the U-shaped rotating frame (14). A positioning rotating shaft (17) is slidably installed inside the positioning chute (36). A bending plate (18) is fixedly installed on the positioning rotating shaft (17). A bending groove (19) is opened on the inner side surface of the bending plate (18). A rotating block (20) is rotatably installed on the side end surface of the bending plate (18). An adjusting screw rod (21) is fixedly installed on the rotating block (20). An adjusting handle (22) is fixedly installed at one end of the adjusting screw rod (21) away from the rotating block (20).

5. A bending device for a cover beam slab, characterized in that: The limiting slider (11) is slidably connected with the limiting chute (12). The vertical toothed rod (10) is meshed with the driving gear (15). The positioning rotating shaft (17) is slidably connected with the limiting arc groove (16). One end of the adjusting screw rod (21) away from the rotating block (20) extends to the outside of the U-shaped rotating frame (14). The U-shaped rotating frame (14) is slidably connected with the limiting arc plate (6).

6. The bending device for a cover beam slab according to claim 2, wherein: The auxiliary component includes two L-shaped vertical rods (23) fixedly installed on the lifting frame plate (9). Symmetrically arranged mounting plates (24) are fixedly installed on the side end surfaces of the two L-shaped vertical rods (23). A T-shaped fixed shaft (25) is rotatably installed on the mounting plate (24). A driving fixed rod (26) is fixedly installed on the T-shaped fixed shaft (25). A rotating block (27) is fixedly installed on the side end surface of the driving fixed rod (26). A fixed shaft (28) is fixedly installed on the rotating block (27).

7. A bending device for a cover beam plate, characterized in that: A stabilizing pressure roller (29) is fixedly installed on the fixed shaft (28). A lifting chute (30) is formed on the inner side surface of the U-shaped fixed plate (3). A U-shaped frame plate (31) is fixedly installed on the device base (1), and a stabilizing chute (32) is formed on the U-shaped frame plate (31).

8. A bending device for a cover beam slab, characterized in that: The driving fixed rod (26) is arranged obliquely. The L-shaped vertical rod (23) is slidably connected to the lifting chute (30). One end of the fixed shaft (28) away from the rotating block (27) passes through the stabilizing chute (32) and is in sliding contact with the stabilizing chute (32).

9. The bending device for a cover beam slab according to claim 7, characterized in that: U-shaped cross plates (33) are fixedly installed on the front and rear end faces of the U-shaped frame plate (31). A tooth block group (34) is fixedly installed on the U-shaped cross plate (33). An auxiliary gear (35) is fixedly installed on the fixed shaft (28) and outside the stabilizing pressure roller (29). The auxiliary gear (35) is meshed with the tooth block group (34).

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