Mounting hole punching device for mounting bridge steel structure

By designing a combination device of support base, sliding plate and clamping plate, the problems of instability and deformation of existing punching devices are solved, and stable fixation and convenient operation are achieved in the installation process of bridge steel structure.

CN223655850UActive Publication Date: 2025-12-12SOUTHWEST JIAOTONG UNIV
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Patent Information

Application Number
CN202520013304.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-12
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

Existing punching devices are mostly hand-operated during the installation of bridge steel structures, which leads to instability and can easily cause deformation of the ends of circular steel pipes, affecting their use.

Method used

A device comprising a support base, a sliding plate, a fixed clamping plate, and a movable clamping plate is designed. The position is adjusted by sliding the sliding plate on the support base, and the fixed clamping plate and the movable clamping plate are used to clamp the support base to the inner and outer walls of the circular steel pipe. Combined with the mounting shell, the bidirectional screw, and the threaded plate, the support base is fixed, avoiding manual operation. The relative movement of the punching support plate is achieved by rotating the bidirectional screw, pressing it against the inner wall of the steel pipe to prevent deformation.

Benefits of technology

It achieves stable fixation without manual operation, avoids deformation of the round steel pipe during punching, and improves the versatility and ease of use.

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Abstract

The utility model discloses a mounting hole punching device for bridge steel structure mounting, which belongs to the technical field of bridge steel structure mounting punching and comprises a supporting seat, slideways are arranged at two ends of the supporting seat, a sliding plate is slidably mounted in the slideways, and a fixing clamping plate is fixedly mounted on the side surface of the sliding plate. A movable clamping plate is arranged on the side face of the fixed clamping plate, and a plurality of locking rods are fixedly installed on the side face of the fixed clamping plate. The sliding plate is arranged to be used in cooperation with the fixed clamping plate and the movable clamping plate, the sliding plate can slide on the supporting base to adjust the position, then the fixed clamping plate and the movable clamping plate can be clamped to the inner wall and the outer wall of the circular steel pipe, clamping and fixing of the supporting base are achieved, and handheld operation is not needed; and the mounting shell is used in cooperation with the two-way screw, the threaded plate and the punching supporting plates, relative movement of the two punching supporting plates is achieved through rotation of the two-way screw, the two punching supporting plates abut against the inner wall of the circular steel pipe, and the phenomenon that the circular steel pipe is stamped and deformed during punching can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge steel structure installation punching technology field, concretely relates to a kind of installation hole punching device for bridge steel structure installation. BACKGROUND

[0002] Steel structure is the structure by steel material composition, is one of main building structure types.Structure is mainly by section steel and steel plate etc. into steel beam, steel column, steel truss etc. Component composition, and adopts silanization, pure manganese phosphorization, washing and drying, galvanizing etc. Rust removal antirust process.

[0003] In the steel structure bridge installation process needs to be installed hole punching, and the existing punching device is mostly handheld operation, unstable, and it is easy to cause the end of round steel pipe to appear deformation phenomenon when punching, and the round steel pipe that appears deformation will affect normal use, for this purpose, we propose a kind of installation hole punching device for bridge steel structure installation. CONTENT OF UTILITY MODEL

[0004] The utility model is to provide a kind of installation hole punching device for bridge steel structure installation to solve the problem that the existing punching device is mostly handheld operation, unstable, and it is easy to cause the end of round steel pipe to appear deformation phenomenon when punching, and the round steel pipe that appears deformation will affect normal use in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme: A kind of installation hole punching device for bridge steel structure installation, including support seat, both ends of the support seat are equipped with slide and the slide is slidably installed with sliding plate, the side surface of the sliding plate is fixedly installed with fixed clamping plate, the side surface of the fixed clamping plate is provided with movable clamping plate, the side surface of the fixed clamping plate is fixedly installed with several locking rods, the movable clamping plate is equipped with through hole, the locking rod passes through through hole and the outer surface of the locking rod is provided with screw thread and is screw-threadedly installed with locking nut, the middle part of the support seat is equipped with notch and sliding mouth, and the sliding mouth portion is slidably installed with adjusting plate, and the notch is slidably installed with mounting plate, the lower surface of the mounting plate is fixedly installed with adjusting plug rod, the adjusting plug rod is slidably penetrated through support seat and extends to the inside of sliding mouth, the upper surface of the adjusting plate is equipped with several adjusting slots for cooperating with adjusting plug rod, one end of the adjusting plate is fixedly installed with support, the support is fixedly installed with punching cylinder, the piston rod of the punching cylinder is downwardly arranged and fixedly installed with punching rod, the other end of the adjusting plate is fixedly installed with installation shell, the inside of the installation shell is fixedly installed with motor, the inside of the installation shell is rotatably installed with bidirectional screw rod, the output shaft of the motor is fixedly connected with one end of the bidirectional screw rod, the outer surface of the two sections of the bidirectional screw rod is screw-threadedly installed with screw plate, the side surface of the screw plate is fixedly installed with connecting plate one, the connecting plate one extends out of the installation shell and is fixedly installed with connecting plate two by passing through the strip-shaped channel formed in the side surface of the installation shell, the end portion of the connecting plate two is fixedly installed with punching support plate, the punching support plate is equipped with circular port opposite to the punching rod.

[0006] By setting the sliding plate in cooperation with the fixed clamping plate and the movable clamping plate, the sliding plate can be adjusted in position on the support seat, and then the fixed clamping plate and the movable clamping plate can be clamped on the inner and outer walls of the circular steel pipe, so that the support seat is clamped and fixed without the need for manual operation. Furthermore, by setting the installation shell in cooperation with the bidirectional screw rod, the screw plate and the punching support plate, the rotation of the bidirectional screw rod can realize the relative movement of the two punching support plates and tightly press against the inner wall of the circular steel pipe, so that the punching can avoid causing the punching deformation of the circular steel pipe. By setting the adjusting plate in cooperation with the adjusting plug rod, the installation shell can be adjusted in length according to the punching position, so that the universality of use is improved and the adjustment is convenient.

[0007] In the above scheme, it should be noted that the punching cylinder and the motor are electrically connected with the external power supply.

[0008] As a preferred embodiment, the inner wall of the slide on the support seat is fixedly installed with several fixed guide rods one, and the sliding plate is slidably installed on the outer surface of the several fixed guide rods one.

[0009] Adopting the above scheme, the fixed guide rod one can be used to support and guide the movement process of the sliding plate, so that the sliding plate moves stably on the support seat and is not prone to tilting and shaking.

[0010] As a preferred implementation form, the upper surface of the sliding plate is provided with a containing groove, and the inner wall of the containing groove is fixedly provided with an expansion rod and a spring one, the same lock block is fixedly installed at the end of the spring one and the expansion rod, and the surface of the support seat is provided with a plurality of lock grooves matched with the lock block.

[0011] Adopting the above scheme, the elastic force of the spring one in the containing groove can drive the lock block to quickly enter the lock groove, the expansion rod can be used to support the lock block to avoid shaking and improve the movement stability.

[0012] As a preferred implementation form, the inner wall of the notch on the support seat is provided with a limiting groove, and the limiting groove is slidably provided with a limiting block, and the limiting block is fixedly installed on the side surface of the mounting plate.

[0013] Adopting the above scheme, the limiting block can slide in the limiting groove to ensure good sliding stability of the mounting plate.

[0014] As a preferred implementation form, the side surface of the limiting block is fixedly provided with a spring two, and the spring two is fixedly installed on the inner wall of the limiting groove.

[0015] Adopting the above scheme, the elastic force of the spring two can drive the mounting plate to quickly drive the adjusting plug rod to insert into the adjusting plug groove, thereby improving the locking convenience.

[0016] As a preferred implementation form, the inner wall of the mounting shell is fixedly provided with a plurality of fixed guide rods two, and the threaded plate is slidably installed on the outer surface of the plurality of fixed guide rods two.

[0017] Adopting the above scheme, when the two-way screw rod is rotated to drive the threaded plate to move, the threaded plate will slide on the surface of the fixed guide rod two, and the fixed guide rod two can be used to ensure the stable movement of the threaded plate.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The installation hole punching device for the bridge steel structure installation is provided with a sliding plate, a fixed clamping plate and a movable clamping plate, the sliding plate can slide on the support seat to adjust the position, the fixed clamping plate and the movable clamping plate can be clamped on the inner and outer walls of the circular steel pipe, the support seat is clamped and fixed, manual operation is not needed, the installation shell is used in cooperation with the two-way screw rod, the threaded plate and the punching support plate, the rotation of the two-way screw rod realizes the relative movement of the two punching support plates and the clamping on the inner wall of the circular steel pipe, and the punching stamping deformation of the circular steel pipe can be avoided.

[0020] The installation hole punching device for bridge steel structure installation is provided with an adjusting plate matched with an adjusting rod, the length of the installation shell deep into the circular steel pipe can be adjusted according to the punching position requirement, the universality of use is improved, and the operation and adjustment are convenient. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a structural schematic view of the support seat of the utility model;

[0023] Figure 3 It is a structural schematic view of the sliding plate section of the utility model;

[0024] Figure 4 It is a structural schematic view of the installation shell section of the utility model.

[0025] In the drawing: 1, support seat; 2, sliding plate; 3, fixed clamping plate; 4, movable clamping plate; 5, locking rod; 6, locking nut; 7, adjusting plate; 8, installation plate; 9, adjusting rod; 10, support; 11, punching cylinder; 12, punching rod; 13, installation shell; 14, motor; 15, bidirectional screw; 16, threaded plate; 17, connecting plate one; 18, connecting plate two; 19, punching support plate; 20, fixed guide rod one; 21, telescopic rod; 22, spring one; 23, lock block; 24, limiting block; 25, spring two; 26, fixed guide rod two. DETAILED DESCRIPTION

[0026] Please refer to Figures 1-4The utility model provides a kind of installation hole punching device for bridge steel structure installation, including support seat 1, both ends of support seat 1 are equipped with slide and the slide inside slidingly installed sliding plate 2, the side surface of sliding plate 2 is fixedly installed with fixed clamping plate 3, the side surface of fixed clamping plate 3 is provided with movable clamping plate 4, the side surface of fixed clamping plate 3 is fixedly installed with several locking rods 5, and the through hole is opened in movable clamping plate 4, locking rod 5 passes through through hole and the outer surface of locking rod 5 is provided with thread and is threadedly installed with locking nut 6, the middle part of support seat 1 is equipped with notch and slide opening, and slide opening part slidingly installed with adjusting plate 7, and notch is slidingly installed with mounting plate 8, the lower surface of mounting plate 8 is fixedly installed with adjusting plug 9, adjusting plug 9 slidingly penetrates support seat 1 and extends to the inside of slide opening, the upper surface of adjusting plate 7 is equipped with several adjusting slots for cooperating with adjusting plug 9, one end of adjusting plate 7 is fixedly installed with support 10, support 10 is fixedly installed with punching cylinder 11, the piston rod of punching cylinder 11 is downwardly arranged and fixedly installed with punching rod 12, the other end of adjusting plate 7 is fixedly installed with installation shell 13, motor 14 is fixedly installed in the inside of installation shell 13, bidirectional screw rod 15 is rotatably installed in the inside of installation shell 13, the output shaft of motor 14 is fixedly connected with one end of bidirectional screw rod 15, the outer surface of the two threads of bidirectional screw rod 15 is threadedly installed with thread plate 16, the side surface of thread plate 16 is fixedly installed with connecting plate one 17, connecting plate one 17 extends out of installation shell 13 through the strip-shaped channel opened in the side surface of installation shell 13 and is fixedly installed with connecting plate two 18, the end of connecting plate two 18 is fixedly installed with punching support plate 19, and the circular port opposite to punching rod 12 is opened in punching support plate 19.

[0027] By setting sliding plate 2 cooperates fixed clamping plate 3 and movable clamping plate 4 uses, sliding plate 2 can be adjusted position on support seat 1 sliding, and then can be used fixed clamping plate 3 and movable clamping plate 4 and be clamped in the inner and outer wall of circular steel pipe, the clamping of support seat 1 is realized, need not hand-held operation, and use installation shell 13 cooperates bidirectional screw rod 15 and thread plate 16 and punching support plate 19 uses, the relative motion of two punching support plates 19 is realized by the rotation of bidirectional screw rod 15 and is tightly pressed in the inner wall of circular steel pipe, can avoid the stamping deformation phenomenon to circular steel pipe when punching, by setting adjusting plate 7 cooperates adjusting plug 9 uses, can be according to the adjustment of installation shell 13 length of depth in circular steel pipe according to the need of punching position, improve the use of universality, and operation is adjusted conveniently.

[0028] The inner wall of the slide of support seat 1 is fixedly installed with several fixed guide rods one 20, and sliding plate 2 is slidingly installed on the outer surface of several fixed guide rods one 20, the setting of fixed guide rod one 20 can support the movement process of sliding plate 2 and guide, so that sliding plate 2 moves stably on support seat 1, and is not prone to tilt and shake.

[0029] The upper surface of the sliding plate 2 is provided with a containing groove, and the inner wall of the containing groove is fixedly provided with an expansion rod 21 and a spring 22, the same lock block 23 is fixedly installed at the end of the spring 22 and the expansion rod 21, the surface of the supporting seat 1 is provided with a plurality of lock grooves matched with the lock block 23, the elastic force of the spring 22 in the containing groove can drive the lock block 23 to quickly enter the lock groove, the expansion rod 21 can support the lock block 23 to avoid shaking and improve the stability.

[0030] The inner wall of the notch on the supporting seat 1 is provided with a limiting groove, and the inner wall of the limiting groove is slidably provided with a limiting block 24, the limiting block 24 is fixedly installed on the side of the mounting plate 8, and the limiting block 24 slides in the limiting groove to ensure good sliding stability of the mounting plate 8.

[0031] The side of the limiting block 24 is fixedly provided with a spring 25, the spring 25 is fixedly installed on the inner wall of the limiting groove, and the elastic force of the spring 25 can drive the mounting plate 8 to quickly drive the adjusting plug 9 to insert into the adjusting slot, thereby improving the locking convenience.

[0032] The inner wall of the mounting shell 13 is fixedly provided with a plurality of fixed guide rods 26, and the threaded plate 16 is slidably installed on the outer surface of the plurality of fixed guide rods 26, when the bidirectional screw rod 15 rotates to drive the threaded plate 16 to move, the threaded plate 16 slides on the surface of the fixed guide rod 26, and the fixed guide rod 26 can ensure stable movement of the threaded plate 16.

[0033] In use, the supporting seat 1 is first attached to the end of the circular pipe, the lock block 23 is pressed to make the lock block 23 separate from the lock groove, then the sliding plate 2 is held and slid, and the fixed clamping plate 3 on the sliding plate 2 is attached to the inner wall of the circular steel pipe until the lock block 23 is inserted into the lock groove to lock the position of the fixed clamping plate 3, then the movable clamping plate 4 is inserted opposite the locking rod 5, and the locking nut 6 is screwed after the movable clamping plate 4 is attached to the outer wall of the circular steel pipe, thereby fixing the supporting seat 1 to the end of the circular steel pipe, then the adjusting plate 7 is slid according to the punching position, the mounting plate 8 is pulled during adjustment, the mounting plate 8 drives the limiting block 24 to slide and drives the spring 25 to deform, at this time the mounting plate 8 drives the adjusting plug 9 to move and separate from the adjusting slot, at this time the adjusting plate 7 is unlocked, the adjusting plate 7 is held and moved to drive the mounting shell 13 to move, the depth of the mounting shell 13 into the circular steel pipe is adjusted, after adjustment, the mounting plate 8 is loosened, the elastic force of the spring 25 drives the adjusting plug 9 to reset and insert into the adjusting slot, thereby locking the adjusting plate 7, then the motor 14 is started, the motor 14 drives the bidirectional screw rod 15 to rotate, thereby driving the threaded plate 16 to drive the connecting plate 17 to move, the connecting plate 17 drives the connecting plate 18 to move, thereby driving the punching support plate 19 to move, the motor 14 is stopped when the punching support plate 19 is attached to the inner wall of the circular steel pipe, the punching cylinder 11 is started, the punching cylinder 11 drives the punching rod 12 to move towards the circular steel pipe to realize punching.

Claims

1. A punching device for mounting holes in bridge steel structures, characterized in that: The system includes a support base (1), with slide rails at both ends and a sliding plate (2) slidably installed within the slide rails. A fixing plate (3) is fixedly installed on the side of the sliding plate (2), and a movable plate (4) is provided on the side of the fixing plate (3). Several locking rods (5) are fixedly installed on the side of the fixing plate (3). A through hole is provided on the movable plate (4), and the locking rods (5) pass through the through hole. The outer surface of the locking rods (5) is threaded and threaded with locking rods. A locking nut (6) is provided. The middle part of the support base (1) has a notch and a sliding opening. An adjusting plate (7) is slidably installed in the sliding opening. An mounting plate (8) is slidably installed in the notch. An adjusting rod (9) is fixedly installed on the lower surface of the mounting plate (8). The adjusting rod (9) slides through the support base (1) and extends into the sliding opening. The upper surface of the adjusting plate (7) has several adjusting slots that cooperate with the adjusting rod (9). One end of the adjusting plate (7) is fixedly installed. A bracket (10) is provided, on which a punching cylinder (11) is fixedly mounted. The piston rod of the punching cylinder (11) is arranged downwards and a punching rod (12) is fixedly mounted. A mounting shell (13) is fixedly mounted on the other end of the adjusting plate (7). A motor (14) is fixedly mounted inside the mounting shell (13). A bidirectional screw (15) is rotatably mounted inside the mounting shell (13). The output shaft of the motor (14) is fixedly connected to one end of the bidirectional screw (15). Both ends of the double screw (15) are threaded with threaded plates (16). A connecting plate (17) is fixedly installed on the side of the threaded plate (16). The connecting plate (17) extends out of the mounting shell (13) through the strip-shaped channel opened on the side of the mounting shell (13) and is fixedly installed with a connecting plate (18). A punching support plate (19) is fixedly installed at the end of the connecting plate (18). A circular opening is opened on the punching support plate (19) that is directly opposite to the punching rod (12).

2. The punching device for mounting holes in bridge steel structures according to claim 1, characterized in that: The inner wall of the slide on the support base (1) is fixedly installed with several fixed guide rods (20), and the sliding plate (2) is slidably installed on the outer surface of the several fixed guide rods (20).

3. The punching device for mounting holes in bridge steel structures according to claim 1, characterized in that: The upper surface of the sliding plate (2) is provided with a receiving groove, and the inner wall of the receiving groove is fixedly installed with a telescopic rod (21) and a spring (22). The ends of the spring (22) and the telescopic rod (21) are fixedly installed with the same locking block (23). The surface of the support base (1) is provided with a number of locking grooves that cooperate with the locking block (23).

4. The punching device for mounting holes in bridge steel structures according to claim 1, characterized in that: The support base (1) has a notch with a limiting groove on its inner wall, and a limiting block (24) is slidably installed on the inner wall of the limiting groove. The limiting block (24) is fixedly installed on the side of the mounting plate (8).

5. The punching device for mounting holes in bridge steel structures according to claim 4, characterized in that: A second spring (25) is fixedly installed on the side of the limiting block (24), and the second spring (25) is fixedly installed on the inner wall of the limiting groove.

6. The punching device for mounting holes in bridge steel structures according to claim 1, characterized in that: The inner wall of the mounting shell (13) is fixedly installed with several fixed guide rods (26), and the threaded plate (16) is slidably installed on the outer surface of the several fixed guide rods (26).