CN115647426A

CN115647426A - Clamping and punching device for bridge steel structure machining

Info

Publication number: CN115647426A
Application number: CN202211396339.9A
Authority: CN
Inventors: 韦浩成; 周惠中; 孙展宏; 沈强儒; 曹慧
Original assignee: Wujiang City Minggang Road & Bridge Co ltd; Nantong University
Current assignee: Wujiang City Minggang Road & Bridge Co ltd; Nantong University
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-01-31

Abstract

The invention relates to the technical field of punching of bridge steel structures, in particular to a clamping and punching device for processing bridge steel structures, which comprises a bottom plate seat, wherein a plurality of hydraulic cylinders are arranged on the upper surface of the bottom plate seat, a punching mechanism is arranged on the lower surface of a supporting top plate, a bidirectional screw lead screw is rotationally arranged in a guide chute, lead screw sliders are symmetrically sleeved on the bidirectional screw lead screw through lead screw nuts, clamping blocks are arranged on the upper surface of the lead screw sliders in a swinging mode, the clamping blocks are locked and fixed on the upper surface of the clamping blocks through locking bolts, two ends of the bidirectional screw lead screw are connected with the end faces of telescopic rods of an electric push rod, and fixing rods of the electric push rod are rotationally arranged on the groove walls on two sides of the guide chute; the invention can prevent the S-shaped steel structure from deviating or slipping during punching due to the fact that the existing punching device cannot effectively clamp the S-shaped steel structure when the punching mechanism carries out sequential drilling processing on the S-shaped steel structure, and further the punching quality of the steel structure is influenced.

Description

Clamping and punching device for bridge steel structure machining

Technical Field

The invention relates to the technical field of punching of bridge steel structures, in particular to a clamping and punching device for processing a bridge steel structure.

Background

The bridge generally consists of an upper structure, a lower structure and an auxiliary structure, wherein the upper structure mainly refers to a bridge span structure and a support system; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like. The bridge can not use the steel construction less when the construction, so lead to steel to be essential material in the construction of modern bridge, and the steel construction needs the puncher to punch before the equipment, the later stage of being convenient for equipment.

The application number is CN201710987859.X, and the patent name is a prevent bridge steel structure puncher of skew of skidding, including the cylinder, the lower surface swing joint of cylinder has the drift, the first backup pad of right side fixedly connected with of cylinder, the bottom fixedly connected with bottom plate of first backup pad, the lower fixed surface of bottom plate is connected with quick-witted case, the adjustment tank has been seted up in the left side of first backup pad, the inside sliding connection of adjustment tank has the slider, the movable hole that is linked together with the lower surface is seted up to the upper surface of slider.

The existing punching device can only punch standard linear steel structures, a bridge is not only built by using linear steel structures in the construction process, but also can use a large number of special-shaped steel structures, and the existing punching device can not punch steel structures with the shapes, and can not prevent slipping and incline processing when punching the special-shaped steel structures.

Disclosure of Invention

The invention aims to provide a clamping and punching device for processing a bridge steel structure, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a centre gripping perforating device is used in processing of bridge steel structure, includes the bottom plate seat, a plurality of direction spouts have been seted up to the upper surface of bed plate, and all be provided with in every direction spout and press from both sides tight positioning mechanism, bottom plate seat upper surface is provided with a plurality of pneumatic cylinders, and the telescopic link top face of pneumatic cylinder is provided with the roof support, the roof support lower surface is provided with the mechanism of punching, press from both sides tight positioning mechanism and include two-way screw lead screw, lead screw slider, press from both sides tight piece, locking bolt, electric putter, belt pulley and driving belt, two-way screw lead screw rotates and sets up in the direction spout, and has cup jointed the lead screw slider through the screw-nut symmetry on the two-way screw lead screw, the screw hole has been seted up to lead screw slider upper surface, and lead screw slider upper surface swing is provided with tight piece, press from both sides tight piece through locking bolt locking fix on pressing from both sides tight piece upper surface, and the bottom portion threaded connection of locking bolt is in the threaded hole, the both ends of two-way screw all are connected with electric putter's telescopic link terminal surface, and electric putter's dead lever rotates and sets up on the both sides cell wall of direction spout, is located the fixed cover of electric putter's dead lever that bottom plate seat rear side surface stretches out has connect the belt pulley, and has the fixed belt driving belt drive motor drive output shaft, and motor drive motor seat.

Preferably, the inner side surface of the clamping block is provided with an elastic rubber layer, and the inner side surface of the elastic rubber layer is provided with a corrugated groove.

Preferably, the side face of the elastic rubber layer, which is attached to the clamping block, is provided with a vertical T-shaped clamping block, the side face of the clamping block, which is attached to the elastic rubber layer, is provided with a vertical T-shaped groove, the T-shaped clamping block is clamped into the T-shaped groove in a sliding mode, and the vertical T-shaped groove is formed below the head of the locking bolt.

Preferably, the mechanism of punching includes drive direction subassembly and drill bit drive assembly, the drive direction subassembly includes T type slider, L type fixture block and aluminum alloy guide rail, a plurality of T type spouts have been seted up to the lower surface of supporting the roof, and all slide in every T type spout and be provided with T type slider, T type spout lateral wall is fixed and is provided with electric putter, and electric putter's telescopic link end connection to T type slider side, the both sides face of L type slider is connected with L type fixture block, the lower surface of supporting the roof is provided with the aluminum alloy guide rail, and the cross-section of aluminum alloy guide rail is the I shape structure, on the horizontal piece of the L type fixture block of the upside diaphragm lower surface both sides slip block word symmetry of aluminum alloy guide rail, it is provided with drill bit drive assembly to slide on the downside diaphragm of aluminum alloy guide rail.

Preferably, the drill bit drive assembly includes leading wheel, pivot pole, connection diaphragm, mounting box and drill bit, and the symmetry the leading wheel rolls and sets up on the downside diaphragm upper surface of aluminum alloy guide rail, and the outer lane face of leading wheel and the riser surface contact of aluminum alloy guide rail, and the symmetry be connected with the pivot pole on the leading wheel, and the pivot pole of symmetry down the terminal surface rotate the setting on connecting the diaphragm, it is located the below diaphragm lower surface of aluminum alloy guide rail to connect the diaphragm, the output shaft of the driving motor who fixedly sets up on the connection diaphragm is connected with the pivot pole, the lower fixed surface of connecting the diaphragm has the mounting box, and the inside drilling motor that is provided with of mounting box, the lower surface of mounting box is provided with the drill bit, and the output shaft of drill bit and drilling motor.

Preferably, the upper surface of the connecting transverse plate is provided with a buffer groove, a buffer rubber layer is arranged in the buffer groove, the upper surface of the buffer rubber layer is provided with a plurality of balls in a rolling manner, and the balls are in rolling contact with the lower surface of the transverse plate below the aluminum alloy guide rail.

Preferably, a plurality of hydraulic cylinders are arranged along four corners of the base plate seat, and the top end face of the telescopic rod of each hydraulic cylinder is detachably connected with the supporting top plate.

Preferably, the outer ring surface of the guide wheel is wrapped with a wear-resistant layer.

Preferably, the bottom plate seat and the supporting top plate are provided with arc chamfers.

Preferably, the lower surface of the base plate seat is provided with a plurality of supporting legs, and the supporting legs are used for supporting and installing the base plate seat.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the plurality of groups of clamping and positioning mechanisms are arranged on the upper surface of the base plate, the plurality of bidirectional spiral screw rods can adjust the plurality of groups of symmetrical clamping blocks to move close to each other under the simultaneous driving of the belt pulleys, so that the distance between the symmetrical clamping blocks is larger than the width of a steel structure, then the telescopic rods of the plurality of electric push rods can drive the plurality of bidirectional spiral screw rods to move, the adjusted plurality of groups of symmetrical clamping blocks can move to be in the same shape as the steel structure, further, the clamping blocks can be adjusted to be in an inclined state on the upper surface of the screw rod sliding block to be aligned with the arc surface of the steel structure, then the plurality of bidirectional spiral screw rods are continuously driven to rotate synchronously, further, the clamping blocks adjusted to be in the inclined state are driven to be clamped and attached to the two side surfaces of the S-shaped steel structure, further, the S-shaped steel structure is clamped and fixed, and the punching mechanism is prevented from being used for performing sequential drilling on the S-shaped steel structure, the S-shaped steel structure cannot be effectively clamped, and further, so that the S-shaped steel structure is deviated or slips during punching, and the punching quality of the steel structure is further influenced.

2. According to the invention, through the matching of the driving guide assembly and the driving assembly, the driving guide assembly can change the shape of the aluminum alloy guide rail, so that the aluminum alloy guide rail can correspond to steel structures in different shapes, then the driving assembly can drive the drill bit to move on the deformed aluminum alloy guide rail, further, the drill bit can conveniently punch the steel structures in different shapes after being clamped, the symmetrical guide wheels are arranged on the connecting transverse plate through the rotating shaft rod, and the connecting transverse plate is positioned below the aluminum alloy guide rail, so that the guide wheels can be prevented from falling off from the transverse plate below the aluminum alloy guide rail, and further, the safe punching operation of the aluminum alloy guide rail by the drill bit is influenced.

Drawings

FIG. 1 is a schematic view of the assembly of the steel structure of the bridge and the punching device of the present invention;

FIG. 2 is a schematic view of the punching apparatus of the present invention;

FIG. 3 is a schematic view of the clamping and positioning mechanism of the present invention;

FIG. 4 is a schematic view of the assembly of the drive guide assembly and the drive assembly of the present invention;

FIG. 5 is a cross-sectional view of an aluminum alloy guide rail of the present invention;

FIG. 6 is a schematic view of the assembly of the clamping block and the elastic rubber layer according to the present invention.

In the figure: 1. a floor base; 2. a hydraulic cylinder; 3. supporting a top plate; 31. a T-shaped chute; 4. a clamping and positioning mechanism; 41. a bidirectional screw rod; 42. a screw rod slide block; 421. a threaded hole; 43. a clamping block; 431. a T-shaped groove; 44. locking the bolt; 45. an electric push rod; 46. a belt pulley; 47. a drive belt; 5. an elastic rubber layer; 51. a T-shaped fixture block; 6. a drive guide assembly; 61. a T-shaped slider; 62. an L-shaped fixture block; 63. an aluminum alloy guide rail; 7. a drive assembly; 71. a guide wheel; 72. a spindle rod; 73. connecting the transverse plates; 731. a buffer tank; 74. mounting a box; 75. a drill bit; 76. a cushion rubber layer; 8. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

as shown in fig. 1 to 6, the invention provides a technical scheme of a clamping and punching device for processing a bridge steel structure, which comprises the following steps: comprises a base plate seat 1, a plurality of guide chutes are arranged on the upper surface of the base plate, a clamping and positioning mechanism 4 is arranged in each guide chute, a plurality of hydraulic cylinders 2 are arranged on the upper surface of the base plate seat 1, a supporting top plate 3 is arranged on the top end surface of a telescopic rod of each hydraulic cylinder 2, a punching mechanism is arranged on the lower surface of the supporting top plate 3, the clamping and positioning mechanism 4 comprises a bidirectional screw rod 41, a screw rod slider 42, a clamping block 43, a locking bolt 44, an electric push rod 45, a belt pulley 46 and a driving belt 47, the bidirectional screw rod 41 is rotatably arranged in the guide chutes, the screw rod slider 42 is symmetrically sleeved on the bidirectional screw rod 41 through a screw rod nut, a threaded hole 421 is arranged on the upper surface of the screw rod slider 42, the upper surface of the screw rod sliding block 42 is provided with a clamping block 43 in a swinging manner, the clamping block 43 is locked and fixed on the upper surface of the clamping block 43 through a locking bolt 44, the bottom end part of the locking bolt 44 is in threaded connection with the threaded hole 421, two ends of the bidirectional screw rod 41 are both connected with the end surface of a telescopic rod of the electric push rod 45, a fixed rod of the electric push rod 45 is rotatably arranged on two side groove walls of the guide sliding chute, a belt pulley 46 is fixedly sleeved on the outer wall of the fixed rod of the electric push rod 45 extending out of the rear side surface of the baseplate seat 1, a driving belt 47 is sleeved on the outer ring surface of the belt pulley 46, a driving motor is fixed on the left side surface of the baseplate seat 1, and the belt pulley 46 fixed on the output shaft of the driving motor is in transmission connection with the driving belt 47; when the punching device works, the bridge steel structure is punched when needed, so that the later-stage assembly of the bridge steel structure is facilitated, the existing punching device can only punch the standard linear steel structure, the bridge is not only built by using the linear steel structure in the building process, but also can use a large number of special-shaped steel structures, for example, S-shaped or arc-shaped steel structures, and the existing punching device is obvious in that the existing punching device cannot punch the steel structure with the shape and cannot perform anti-skidding and deflection treatment on the special-shaped steel structure during punching; therefore, the invention designs that a plurality of groups of clamping and positioning mechanisms 4 are arranged on the upper surface of the base plate seat 1, when the S-shaped steel structure needs to be clamped and drilled, a worker can control the driving motor on the side surface of the base plate seat 1 to work through the PLC control system, so that the driving motor can drive a plurality of belt pulleys 46 to rotate through a driving belt 47, the belt pulleys 46 can drive the bidirectional spiral screw rod 41 to rotate through the electric push rod 45 on one side, further the symmetrical screw rod sliding blocks 42 in each guide chute can move close to each other, the distance between the symmetrical screw rod sliding blocks 42 is controlled to be larger than the width of the steel structure, the driving motor stops working, the human then controls the electric push rod 45 in each guide chute to work, and the telescopic rod of the electric push rod 45 can push the bidirectional spiral screw rod 41 to move in the guide chute, further, the screw rod sliding blocks 42 arranged in each guide sliding groove are conveniently adjusted to be in the same S shape as the S-shaped steel structure on the upper surface of the base plate seat 1, then a worker puts the steel structure on the upper surface of the base plate seat 1, so that the clamping blocks 43 on the upper surface of the screw rod sliding blocks 42 which are symmetrical after adjustment can be positioned on two sides of the steel structure, because the S-shaped steel structure has an arc surface, at the moment, the worker can adjust the clamping blocks 43 on the upper surface of the screw rod sliding blocks 42 to be in an inclined state to be aligned with the arc surface of the steel structure by rotating the locking bolts 44, then reversely rotate the locking bolts 44, so that the clamping blocks 43 can be fixed on the screw rod sliding blocks 42, then the worker controls the driving motor, so that the belt pulleys 46 can drive the bidirectional screw rod 41 to rotate through the electric push rods 45, and further drive the clamping blocks 43 which are adjusted to be in the inclined state to be clamped and attached to two side surfaces of the S-shaped steel structure, the S-shaped steel structure is clamped and fixed, and the phenomenon that the S-shaped steel structure is deviated or slips when the S-shaped steel structure is punched due to the fact that the existing punching device cannot effectively clamp the S-shaped steel structure when the punching mechanism performs sequential drilling processing on the S-shaped steel structure is avoided, and punching quality of the steel structure is further influenced; after the S-shaped steel structure is punched, the telescopic rod of the hydraulic cylinder 2 is controlled to ascend, the punching mechanism ascends to the upper side of the steel structure, then the side face driving motor of the bottom plate seat 1 is controlled to work, the belt pulleys 46 can drive the bidirectional screw rods 41 to rotate reversely, the symmetrical clamping blocks 43 can be separated from the two side faces of the steel structure to be clamped, and the S-shaped steel structure after punching can be taken out conveniently.

As an embodiment of the present invention, the inner side surface of the clamping block 43 is provided with an elastic rubber layer 5, and the inner side surface of the elastic rubber layer 5 is provided with a corrugated groove; during operation, when the clamping blocks 43 which are symmetrical after adjustment move towards the two side faces of the steel structure to be clamped, the elastic rubber layer 5 arranged on the inner side of the clamping blocks 43 can be in clamping contact with the two side faces of the steel structure, so that the elastic rubber layer 5 can play a role of elastic buffering, the phenomenon that the clamping blocks 43 which are symmetrical are damaged or deformed due to overlarge clamping force is prevented, the inner side face of the elastic rubber layer 5 is provided with a corrugated groove, so that the friction force of the clamping blocks 43 in clamping contact with the side faces of the steel structure can be increased, meanwhile, the elastic rubber layer 5 can also be deformed under the action of extrusion force, so that the clamping contact face of the clamping blocks 43 and the arc faces of the steel structure can be increased, and the phenomenon that the steel structure slips or deviates when the steel structure is punched can be further prevented.

As an embodiment of the invention, a vertical T-shaped fixture block 51 is arranged on the side where the elastic rubber layer 5 and the clamping block 43 are attached, a vertical T-shaped groove 431 is arranged on the side where the clamping block 43 and the elastic rubber layer 5 are attached, the T-shaped fixture block 51 is slidably clamped in the T-shaped groove 431, and the vertical T-shaped groove 431 is below the head of the locking bolt 44; when the steel structure clamping device works, after the elastic rubber layer 5 on the side surface of the clamping block 43 continuously clamps different steel structures, the elastic rubber layer 5 is abraded; therefore, according to the invention, the elastic rubber layer 5 can be detachably mounted on the side surface of the clamping block 43 by matching the T-shaped fixture block 51 and the T-shaped groove 431, so that the worn elastic rubber layer 5 can be conveniently replaced, and meanwhile, the T-shaped fixture block 51 and the T-shaped groove 431 which are slidably clamped are positioned below the head part of the locking bolt 44, so that when the clamping block 43 is locked on the screw rod sliding block 42 by the locking bolt 44, the elastic rubber layer 5 can be locked and fixed on the side surface of the clamping block 43, and thus, the steel structure can be buffered, skidproof, clamped and fixed.

As an embodiment of the present invention, the punching mechanism includes a driving guide assembly 6 and a driving assembly 7, the driving guide assembly 6 includes a T-shaped slider 61, an L-shaped fixture block 62 and an aluminum alloy guide rail 63, the lower surface of the supporting top plate 3 is provided with a plurality of T-shaped chutes 31, each T-shaped chute 31 is internally provided with the T-shaped slider 61 in a sliding manner, the side wall of each T-shaped chute 31 is fixedly provided with an electric push rod 45, the end surface of an expansion rod of the electric push rod 45 is connected to the side surface of the T-shaped slider 61, the two side surfaces of the L-shaped slider are connected with the L-shaped fixture block 62, the lower surface of the supporting top plate 3 is provided with the aluminum alloy guide rail 63, the cross section of the aluminum alloy guide rail 63 is in an i-shaped structure, the two sides of the lower surface of the upper side transverse plate of the aluminum alloy guide rail 63 are slidably engaged with the transverse blocks of the L-shaped fixture blocks 62 in a symmetrical manner, and the lower side transverse plate of the aluminum alloy guide rail 63 is slidably provided with the driving assembly 7; when the punching machine works, when the driving assembly 7 needs to be driven to punch the clamped and fixed S-shaped steel structure, at the moment, the driving guide assembly 6 needs to be controlled to be the same as the S-shaped steel structure in shape, and then the driving assembly 7 can walk in an S-shaped linear manner to punch the steel structure, so that a worker can control a plurality of electric push rods 45 arranged inside the supporting top plate 3 to work through a PLC (programmable logic controller) control system, so that telescopic rods of the electric push rods 45 can drive a plurality of T-shaped sliding blocks 61 to slide back and forth in a plurality of T-shaped sliding grooves 31, and two side faces of the T-shaped sliding blocks 61 are clamped on the aluminum alloy guide rails 63 through L-shaped clamping blocks 62, therefore, the sliding of the T-shaped sliding blocks 61 in the T-shaped sliding grooves 31 can drive the aluminum alloy guide rails 63 with certain elastic deformation to change into the aluminum alloy guide rails 63 in an S-shaped structure on the lower surface of the supporting top plate 3, and then the driving assembly 7 can walk on the aluminum alloy guide rails 63 in the S-shaped structure, so as to punch the S-shaped steel structure at different positions; and when the steel structures of other shapes need to be punched, the steel structures of other shapes are clamped and fixed on the upper surface of the base plate seat 1 through the clamping and positioning mechanism 4 at the moment, and then the plurality of T-shaped sliding blocks 61 on the supporting top plate 3 are controlled to move, so that the aluminum alloy guide rail 63 can be changed into corresponding shapes, the driving assembly 7 can conveniently walk on the aluminum alloy guide rail 63, and punching processing is performed on the steel structures of corresponding shapes.

As an embodiment of the present invention, the driving assembly 7 includes a guide wheel 71, a rotating shaft 72, a connecting transverse plate 73, a mounting box 74 and a drill bit 75, the symmetrical guide wheel 71 is arranged on the upper surface of the lower transverse plate of the aluminum alloy guide rail 63 in a rolling manner, the outer ring surface of the guide wheel 71 contacts with the surface of the vertical plate of the aluminum alloy guide rail 63, the rotating shaft 72 is connected to the symmetrical guide wheel 71, the lower end surface of the symmetrical rotating shaft 72 is rotatably arranged on the connecting transverse plate 73, the connecting transverse plate 73 is arranged on the lower surface of the lower transverse plate of the aluminum alloy guide rail 63, the output shaft of the driving motor fixedly arranged on the connecting transverse plate 73 is connected to the rotating shaft 72, the mounting box 74 is fixed to the lower surface of the connecting transverse plate 73, a drilling motor is arranged inside the mounting box 74, the drill bit 75 is arranged on the lower surface of the mounting box 74, and the drill bit 75 is connected to the output shaft of the drilling motor; the outer ring surface of the guide wheel 71 is wrapped with a wear-resistant layer; when the guide wheel works, the wear-resistant layer can play a role in protecting the guide wheel 71 from wear; after the aluminum alloy guide rail 63 is changed to be in the same shape as the steel structure, at this time, a worker controls a driving motor fixed on a connecting transverse plate 73 to work, so that an output shaft of the driving motor can drive a guide wheel 71 to rotate through a rotating shaft rod 72, at this time, because the symmetrical guide wheel 71 is located on the upper surface of the transverse plate at the lower end of the aluminum alloy guide rail 63, the rotation of the guide wheel 71 can move along the deformed aluminum alloy guide rail 63, and further can move through a mounting box 74 and a drill bit 75 connected to the bottom end of the transverse plate 73, so that the drill bit 75 can move in an S-shaped linear manner above the S-shaped steel structure, when the drill bit 75 moves to a position corresponding to the steel structure to be drilled, at this time, the telescopic rod of the hydraulic cylinder 2 is controlled to contract, so that the telescopic rod of the hydraulic cylinder drives a supporting top plate 3 and the drill bit 75 to move downwards, so that the drilling motor inside the mounting box 74 can drive the drill bit 75 to perform drilling operation, after the drilling is completed, the telescopic rod of the hydraulic cylinder 2 extends out, so that the drill bit 75 is separated from the drill hole, then the guide wheel 71 continues to rotate, the drill bit 75 continues to move to the next position along the aluminum alloy guide rail 63, and the transverse plate 63 is connected to prevent the aluminum alloy guide rail 63 from falling off from the guide rail 71, and the guide rail 73.

As an embodiment of the present invention, a buffer groove 731 is disposed on the upper surface of the connecting transverse plate 73, a buffer rubber layer 76 is disposed in the buffer groove 731, a plurality of balls 8 are disposed on the upper surface of the buffer rubber layer 76 in a rolling manner, and the balls 8 are in rolling contact with the lower surface of the transverse plate below the aluminum alloy guide rail 63; in operation, when the drill bit 75 is driven by the drilling motor to drill a steel structure, vibration is generated between the drill bit 75 and the steel structure, and at this time, the drill bit 75 can transmit vibration force to the connecting transverse plate 73, therefore, the cushion rubber layer 76 is arranged at the position where the upper surface of the connecting transverse plate 73 is in contact with the aluminum alloy guide rail 63, so that the cushioning and shock absorbing effects can be achieved, the vibration impact force applied to the connecting transverse plate 73 is prevented from being directly applied to the lower part of the aluminum alloy guide rail 63, and the aluminum alloy guide rail 63 is prevented from being deformed, meanwhile, the plurality of balls 8 arranged on the upper surface of the cushion rubber layer 76 can achieve the rolling friction effect when the connecting transverse plate 73 slides on the lower surface of the aluminum alloy guide rail 63, and the phenomenon that the connecting transverse plate 73 slides on the lower surface of the aluminum alloy guide rail 63 for a long time to generate abrasion is prevented.

As an embodiment of the present invention, a plurality of hydraulic cylinders 2 are disposed along four corners of the base plate seat 1, and the top end surface of the telescopic rod of each hydraulic cylinder 2 is detachably connected to the supporting top plate 3; arc chamfers are arranged on the bottom plate seat 1 and the supporting top plate 3; the lower surface of the bottom plate seat 1 is provided with a plurality of supporting legs, and the plurality of supporting legs are used for supporting and mounting the bottom plate seat 1; during operation, can dismantle the connection with pneumatic cylinder 2 'S telescopic link and supporting roof 3, the staff of being convenient for can dismantle large-scale S type or curved steel construction through supporting roof 3, then directly adopts the mode of hoist and mount to press from both sides tight positioning mechanism 4 with it and press from both sides on the fixed early bottom plate seat 1, then will support roof 3 and continue to install on pneumatic cylinder 2' S telescopic link for supporting roof 3 can drive drill bit 75 and carry out the operation of punching.

The working principle is as follows: when the S-shaped steel structure needs to be clamped and drilled, a worker can control the driving motor on the side surface of the base plate seat 1 to work through the PLC control system, so that the driving motor can drive the belt pulleys 46 to rotate through the driving belt 47, the belt pulleys 46 can drive the bidirectional spiral screw rod 41 to rotate through the electric push rod 45 on one side, further the symmetrical screw rod sliders 42 in each guide chute can move close to each other, the distance between the symmetrical screw rod sliders 42 is controlled to be larger than the width of the steel structure, the driving motor stops working at the moment, the worker then controls the electric push rod 45 in each guide chute to work, so that the telescopic rod of the electric push rod 45 can push the bidirectional spiral screw rod 41 to move in the guide chute, and further the screw rod sliders 42 arranged in each guide chute are conveniently adjusted on the upper surface of the base plate seat 1 to be in the same S shape as the S-shaped steel structure, then the worker puts the steel structure on the upper surface of the base plate 1, so that the clamping blocks 43 on the upper surface of the screw rod slide block 42 which are symmetrical after adjustment can be positioned on two sides of the steel structure, because the S-shaped steel structure has an arc surface, at the moment, the worker can adjust the upper surface of the screw rod slide block 42 into an inclined state by rotating the locking bolt 44 to align with the arc surface of the steel structure, then reversely rotate the locking bolt 44, so that the clamping blocks 43 can be fixed on the screw rod slide block 42, then the worker controls the driving motor again, so that the belt pulleys 46 can drive the bidirectional screw rod 41 to rotate through the electric push rods 45, further the clamping blocks 43 which are adjusted into the inclined state can be driven to clamp and attach to two side surfaces of the S-shaped steel structure, further the S-shaped steel structure can be clamped and fixed, and then the worker controls the electric push rods 45 arranged inside the supporting top plate 3 to work through the PLC control system, the telescopic rod of the electric push rod 45 can drive the plurality of T-shaped sliders 61 to slide back and forth in the plurality of T-shaped chutes 31, and two side surfaces of the T-shaped sliders 61 are clamped on the aluminum alloy guide rails 63 through the L-shaped clamping blocks 62, so that the sliding of the plurality of T-shaped sliders 61 in the plurality of T-shaped chutes 31 can drive the aluminum alloy guide rails 63 with certain elastic deformation to transform into the aluminum alloy guide rails 63 with the S-shaped structure on the lower surfaces of the supporting top plates 3, and then a worker controls the driving motor fixed on the connecting transverse plate 73 to work, so that the output shaft of the driving motor can drive the guide wheel 71 to rotate through the rotating shaft 72, at this time, because the symmetrical guide wheel 71 is located on the upper surface of the transverse plate at the lower ends of the aluminum alloy guide rails 63, the rotation of the guide wheel 71 can move along the deformed aluminum alloy guide rails 63, and further can move through the connecting transverse plate 73 bottom end mounting box 74 and the drill bit 75, so that the drill bit 75 can move above the S-shaped steel structure, when the drill bit 75 moves to the position corresponding to be drilled, the telescopic rod can be controlled to contract, and the telescopic rod of the hydraulic cylinder 2 can be driven to drive the drill bit 75 to move downwards, thereby facilitating the drilling operation inside the drill bit 75.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A clamping and punching device for processing a bridge steel structure comprises a base plate seat (1) and is characterized in that a plurality of guide chutes are formed in the upper surface of the base plate, a clamping and positioning mechanism (4) is arranged in each guide chute, a plurality of hydraulic cylinders (2) are arranged on the upper surface of the base plate seat (1), a supporting top plate (3) is arranged on the top end face of a telescopic rod of each hydraulic cylinder (2), a punching mechanism is arranged on the lower surface of the supporting top plate (3), the clamping and positioning mechanism (4) comprises a bidirectional spiral screw rod (41), a screw rod sliding block (42), a clamping block (43), a locking bolt (44), an electric push rod (45), a belt pulley (46) and a driving belt (47), the bidirectional screw rod (41) is rotatably arranged in the guide sliding groove, the bidirectional screw rod (41) is symmetrically sleeved with screw rod sliding blocks (42) through screw rod nuts, the upper surface of each screw rod sliding block (42) is provided with a threaded hole (421), the upper surface of each screw rod sliding block (42) is provided with a clamping block (43) in a swinging mode, each clamping block (43) is fixedly locked on the upper surface of each clamping block (43) through a locking bolt (44), the bottom end part of each locking bolt (44) is in threaded connection with the corresponding threaded hole (421), the two ends of each bidirectional screw rod (41) are connected with the end faces of telescopic rods of the electric push rods (45), and the dead lever of electric putter (45) rotates and sets up on the both sides cell wall of direction spout, is located fixed the cover has connect belt pulley (46) on the dead lever outer wall of electric putter (45) that bottom plate seat (1) trailing flank stretches out, and has connect drive belt (47) in the face of belt pulley (46) outer lane, the left surface of bottom plate seat (1) is fixed with driving motor, and fixed belt pulley (46) and drive belt (47) interconnect on driving motor's the output shaft.

2. The clamping and punching device for processing the bridge steel structure according to claim 1, characterized in that: the inner side surface of the clamping block (43) is provided with an elastic rubber layer (5), and the inner side surface of the elastic rubber layer (5) is provided with a corrugated groove.

3. The clamping and punching device for processing the bridge steel structure according to claim 2, wherein the clamping and punching device comprises: the elastic rubber layer (5) and the side face, attached to the clamping block (43), of the clamping block (43) are provided with a vertical T-shaped clamping block (51), a vertical T-shaped groove (431) is formed in the side face, attached to the elastic rubber layer (5), of the clamping block (43), the T-shaped clamping block (51) is clamped into the T-shaped groove (431) in a sliding mode, and the vertical T-shaped groove (431) is located below the head of the locking bolt (44).

4. The clamping and punching device for processing the bridge steel structure according to claim 1, characterized in that: the punching mechanism comprises a driving guide assembly (6) and a driving assembly (7), the driving guide assembly (6) comprises a T-shaped sliding block (61), an L-shaped clamping block (62) and an aluminum alloy guide rail (63), a plurality of T-shaped sliding grooves (31) are formed in the lower surface of a supporting top plate (3), and a T-shaped sliding block (61) is arranged in each T-shaped sliding groove (31) in an all-sliding mode, an electric push rod (45) is fixedly arranged on the side wall of each T-shaped sliding groove (31), the end face of a telescopic rod of the electric push rod (45) is connected to the side face of the T-shaped sliding block (61), two side faces of each L-shaped sliding block are connected with the L-shaped clamping block (62), the lower surface of the supporting top plate (3) is provided with the aluminum alloy guide rail (63), the cross section of the aluminum alloy guide rail (63) is of an I-shaped structure, the two sides of the lower side transverse plate of the aluminum alloy guide rail (63) slide on the L-shaped clamping block (62) symmetrical in shape, and the transverse plate on the lower side of the aluminum alloy guide rail (63) is provided with the driving assembly (7) in a sliding mode.

5. The clamping and punching device for machining the bridge steel structure according to claim 4, wherein the clamping and punching device comprises: drive assembly (7) include leading wheel (71), pivot pole (72), connect diaphragm (73), mounting box (74) and drill bit (75), and the symmetry leading wheel (71) roll and set up on the downside diaphragm upper surface of aluminum alloy guide rail (63), and the outer lane face of leading wheel (71) and the riser surface contact of aluminum alloy guide rail (63), the symmetry be connected with pivot pole (72) on leading wheel (71), and the terminal surface rotates and sets up on connecting diaphragm (73) under the pivot pole (72) of symmetry, it is located the below diaphragm lower surface of aluminum alloy guide rail (63) to connect diaphragm (73), the output shaft of the driving motor who fixedly sets up on connecting diaphragm (73) is connected with pivot pole (72), the lower fixed surface that diaphragm connects diaphragm (73) has mounting box (74), and mounting box (74) inside is provided with drilling motor, the lower surface of mounting box (74) is provided with drill bit (75), and drill bit (75) are connected with the output shaft of drilling motor.

6. The clamping and punching device for processing the bridge steel structure according to claim 5, wherein the clamping and punching device comprises: the buffer groove (731) is formed in the upper surface of the connecting transverse plate (73), the buffer rubber layer (76) is arranged in the buffer groove (731), the upper surface of the buffer rubber layer (76) is provided with a plurality of balls (8) in a rolling mode, and the balls (8) are in rolling contact with the lower surface of the transverse plate below the aluminum alloy guide rail (63).

7. The clamping and punching device for processing the bridge steel structure according to claim 1, wherein the clamping and punching device comprises: a plurality of hydraulic cylinders (2) are arranged along four corners of the bottom plate seat (1), and the top end face of the telescopic rod of each hydraulic cylinder (2) is detachably connected with the supporting top plate (3).

8. The clamping and punching device for processing the bridge steel structure according to claim 5, wherein the clamping and punching device comprises: the outer ring surface of the guide wheel (71) is wrapped with a wear-resistant layer.

9. The clamping and punching device for processing the bridge steel structure according to claim 1, wherein the clamping and punching device comprises: and arc chamfers are arranged on the bottom plate seat (1) and the supporting top plate (3).

10. The clamping and punching device for processing the bridge steel structure according to claim 1, wherein the clamping and punching device comprises: the lower surface of the bottom plate seat (1) is provided with a plurality of supporting legs, and the supporting legs are used for supporting and installing the bottom plate seat (1).