CN113523424A

CN113523424A - A steel construction cutting equipment for civil construction

Info

Publication number: CN113523424A
Application number: CN202110886954.7A
Authority: CN
Inventors: 高卫亮; 陶亚萍; 马健华; 韩露; 李娜; 杨琛阳; 倪路晴; 康博源
Original assignee: Huanghe Jiaotong University
Current assignee: Huanghe Jiaotong University
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-10-22
Anticipated expiration: 2041-08-03
Also published as: CN113523424B

Abstract

The invention discloses steel structure cutting equipment for civil construction, which comprises a workbench, a gantry type support frame, a mounting plate, a lifting mechanism, a cutting mechanism, a conveying mechanism, a limiting mechanism and a controller, wherein the gantry type support frame is arranged on the workbench; the gantry type support frame is arranged above the workbench; the mounting plate is horizontally arranged between the workbench and the gantry type support frame; the lifting mechanism is arranged on the gantry type support frame, and the moving end of the lifting mechanism is connected with the top of the mounting plate; the cutting mechanism is arranged at the bottom of the mounting plate and used for cutting the I-shaped steel; the conveying mechanism is arranged on the workbench and used for conveying the I-steel; the limiting mechanism is arranged on the workbench and used for limiting the moving distance of the I-shaped steel driven by the conveying mechanism; the controller is connected with the power module, and the lifting mechanism, the cutting mechanism, the conveying mechanism and the limiting mechanism are respectively and electrically connected with the controller. The invention can realize automatic intermittent cutting of the I-steel, improves the efficiency of cutting the I-steel, and can uniformly cut the I-steel.

Description

A steel construction cutting equipment for civil construction

Technical Field

The invention relates to the technical field of cutting, in particular to steel structure cutting equipment for civil construction.

Background

In the construction process of civil engineering, the steel structure is widely applied due to the advantages of strong compressive resistance, high economy and the like, and the I-steel is used as a common steel structure material, plays a role of a support frame when building a building, is commonly used in various walls, and is matched with concrete to provide strong support strength for the walls.

The length of the processed joist steel is long, the joist steel is not directly used generally, when the cutting machine is used, cutting equipment is required to be used for cutting the joist steel to be suitable for length, the existing joist steel cutting process generally needs to manually control the cutting machine to work, so that the joist steel cutting efficiency is low, the feeding amount of the joist steel needs to be manually controlled when the joist steel is cut by cutting at each time, the position of the joist steel can be manually moved generally, when the position of the joist steel is manually moved, the movement error exists, the length of the cut joist steel is unequal, and the hand can be sore after a long time, so that the cutting efficiency of the joist steel is influenced.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems of the background art, and an object of the present invention is to provide a steel structure cutting apparatus for civil engineering construction.

The technical scheme of the invention is as follows: a steel structure cutting device for civil construction comprises a workbench, a gantry type support frame, a mounting plate, a lifting mechanism, a cutting mechanism, a conveying mechanism, a limiting mechanism and a controller; the gantry type support frame is arranged above the workbench; the mounting plate is horizontally arranged between the workbench and the gantry type support frame; the lifting mechanism is arranged on the gantry type supporting frame, and the moving end of the lifting mechanism is connected with the top of the mounting plate; the cutting mechanism is arranged at the bottom of the mounting plate and used for cutting the I-shaped steel; the conveying mechanism is arranged on the workbench and used for conveying the I-steel; the limiting mechanism is arranged on the workbench and used for limiting the moving distance of the I-shaped steel driven by the conveying mechanism; the controller is connected with the power module, and the lifting mechanism, the cutting mechanism, the conveying mechanism and the limiting mechanism are respectively and electrically connected with the controller.

Furthermore, the limiting mechanism comprises a moving block, a stop block, a plurality of first springs, a linear displacement assembly, a first travel switch and a second travel switch; the moving block is vertically clamped in a first mounting groove and can vertically move in the first mounting groove, the first mounting groove is formed in one side of the top of the workbench, and a first sliding groove is formed in the top of the moving block; the stop block is clamped in the first sliding groove and can vertically move in the first sliding groove, and a second mounting groove is formed in the side wall of the stop block, close to one side of the top of the stop block; the plurality of first springs are vertically arranged in the first sliding groove, and two ends of the plurality of first springs are respectively fixed with the bottom of the stop block and the inner bottom surface of the first sliding groove; the linear displacement assembly is arranged on the mounting plate, and the output end of the linear displacement assembly is fixed with the moving block and is used for driving the moving block to perform reciprocating vertical movement; the first travel switch is arranged at the bottom of the first mounting groove and is electrically connected with the controller; the second travel switch is arranged in the second mounting groove and electrically connected with the controller.

Further, the linear displacement assembly comprises a first connecting rod, a mounting block, an extrusion column, a sliding block, a wedge-shaped sliding block, a first rack, a second connecting rod, a second rack, a rotating shaft and a first gear; one end of the first connecting rod is vertically fixed with the bottom of the mounting plate, and the other end of the first connecting rod is fixed with a wedge-shaped extrusion block; the mounting block is fixed on the inner wall of the gantry type support frame, which is opposite to the first mounting groove, the top of the mounting block is provided with a third mounting groove, the wedge-shaped extrusion block extends into the third mounting groove, and the inner wall of the third mounting groove, which is close to one side of the wedge-shaped extrusion block, is provided with a second sliding groove which is vertically arranged; the extrusion column is horizontally fixed on the inner wall of the third mounting groove and is positioned on one side of the wedge-shaped extrusion block; the sliding block is arranged in the third mounting groove, the side wall of the sliding block is clamped in the second sliding groove and is in sliding connection with the second sliding groove, the side wall of the sliding block, which is opposite to the wedge-shaped extrusion block, is provided with the horizontally arranged third sliding groove, the bottom of the sliding block is fixedly provided with a plurality of vertically arranged second springs, and the other ends of the plurality of second springs are fixed with the bottom of the third mounting groove; the wedge-shaped sliding block is horizontally clamped in the third sliding groove and is in sliding connection with the third sliding groove, the inclined plane end of the wedge-shaped sliding block extends out of the third sliding groove and is parallel to the inclined plane end of the wedge-shaped extrusion block, a plurality of third springs which are horizontally arranged are fixed at the plane end of the wedge-shaped sliding block, and the other ends of the third springs are fixed with the bottom of the third sliding groove; the first rack is vertically fixed on the side wall of the sliding block, which is far away from the wedge-shaped extrusion block; the second connecting rod is vertically arranged in the third mounting groove and is positioned on the inner side of the first rack, the lower end of the second connecting rod penetrates through the bottom of the third mounting groove and then is vertically fixed with the third connecting rod, and one end of the third connecting rod extends into the first mounting groove and is fixed with the side wall of the moving block; the second rack is vertically fixed on the side wall of the second connecting rod, which is opposite to the first rack; the rotating shaft is horizontally arranged in the third mounting groove, two ends of the rotating shaft are respectively and rotatably connected with the inner walls of two sides of the third mounting groove, and the rotating shaft is positioned between the first rack and the second rack; the first gear is sleeved and fixed on the rotating shaft, and the first gear is meshed with the first rack and the second rack respectively.

Furthermore, the surfaces of the stop block, the wedge-shaped extrusion block, the extrusion column and the wedge-shaped sliding block are all provided with wear-resistant layers.

Further, the cutting mechanism comprises a first motor, a first belt pulley, a connecting frame, a second belt pulley and a cutting knife; the first motor is fixed at the bottom of the mounting plate, an output shaft of the first motor is horizontally arranged, and the first motor is electrically connected with the controller; the first belt pulley is sleeved and fixed on an output shaft of the motor; the connecting frame is fixed at the bottom of the mounting plate; the first connecting shaft is horizontally arranged on the connecting frame, and one end of the first connecting shaft, which is rotatably connected with the connecting frame, extends out of the connecting frame; the second belt pulley is sleeved and fixed on a shaft section of the first connecting shaft, which is positioned outside the connecting frame, and the second belt pulley is connected with the first belt pulley through a first belt; the cutting knife is sleeved and fixed on the shaft section of the first connecting shaft inside the connecting frame.

Furthermore, a cutting groove is formed in the top, opposite to the cutting knife, of the workbench.

Furthermore, the conveying mechanism comprises a second motor, a speed reducer, a second gear, a third connecting shaft, a third gear, a fourth connecting shaft, a fourth gear, a third belt pulley, a fifth connecting shaft, a fourth belt pulley, three driving transmission wheels and three driven shafts; the second motor is arranged in a fourth mounting groove, the fourth mounting groove is formed in the side wall, away from the first mounting groove, of the workbench, and an output shaft of the second motor is horizontally arranged along the length direction of the fourth mounting groove; the speed reducer is arranged on the left side of the cutting mechanism, an output shaft of the second motor is connected with an input end of the speed reducer, an output end of the speed reducer is vertically connected with a second connecting shaft, and the other end of the second connecting shaft extends to the outside of the fourth mounting groove; the second gear is sleeved and fixed on the shaft section of the second connecting shaft in the fourth mounting groove; the third connecting shaft is vertically arranged in the fourth mounting groove and is positioned on the right side of the cutting mechanism, and two ends of the third connecting shaft are respectively and rotatably connected with the top and the bottom of the fourth mounting groove; the third gear is sleeved and fixed on the third connecting shaft and is meshed with the second gear; the fourth connecting shaft is vertically arranged in the fourth mounting groove and is positioned between the third connecting shaft and the first mounting groove, one end of the fourth connecting shaft is rotatably connected with the bottom of the fourth mounting groove, and the other end of the fourth connecting shaft extends to the outside of the fourth mounting groove; the fourth gear is sleeved and fixed on a shaft section of the fourth connecting shaft in the fourth mounting groove, the fourth gear is meshed with the third gear, and the diameter of the fourth gear is smaller than that of the second gear; the third belt pulley is sleeved and fixed on a shaft section of the fourth connecting shaft in the fourth mounting groove; the fifth connecting shaft is vertically arranged in the fourth mounting groove and is positioned on the right side of the first mounting groove, one end of the fifth connecting shaft is rotatably connected with the bottom of the fourth mounting groove, and the other end of the fifth connecting shaft extends to the outside of the fourth mounting groove; the fourth belt pulley is sleeved and fixed on a shaft section of the fifth connecting shaft in the fourth mounting groove, and the fourth belt pulley is connected with the third belt pulley through a second belt; the three driving transmission wheels are respectively sleeved and fixed on shaft sections of the second connecting shaft, the fourth connecting shaft and the fifth connecting shaft which are positioned outside the fourth mounting groove, and the outer ring of each driving transmission wheel is clamped between the upper flange and the lower flange of the I-steel and is in contact with the side wall, close to the fourth mounting groove, of the I-steel; the three driven shafts are vertically arranged on one side, away from the fourth mounting groove, of the top of the workbench, are in one-to-one correspondence with the second connecting shaft, the fourth connecting shaft and the fifth connecting shaft respectively and are arranged just opposite to each other, one ends of the three driven shafts are rotatably connected with the top of the workbench, the three driven shafts are respectively sleeved and fixed with driven conveying wheels, and the outer ring of each driven conveying wheel is clamped between the upper flange and the lower flange of the I-steel and is in contact with the side wall, away from the fourth mounting groove, of the I-steel.

Furthermore, a rubber sleeve is sleeved and fixed on the outer ring of each driving transmission wheel and the outer ring of each driven transmission wheel.

Furthermore, the lifting mechanism is an air cylinder or a hydraulic cylinder, and the piston end of the air cylinder or the hydraulic cylinder penetrates through the top of the gantry type support frame and then is fixed with the top of the mounting plate.

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

1. the automatic intermittent cutting device can realize automatic intermittent cutting of the I-steel without manual cutting operation, and the I-steel can be automatically fed through the conveying mechanism, so that the efficiency of cutting the I-steel is improved.

2. According to the invention, through the matching of the first travel switch and the second travel switch, the conveying mechanism can be controlled to move the position of the I-steel when the I-steel is cut, so that the cutting position of the I-steel is limited and fixed, the I-steel can be uniformly cut off, and the phenomenon of error caused by manual control of the feeding amount of the I-steel is avoided.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B in accordance with the present invention;

fig. 4 is a partially enlarged view of the invention at C in fig. 2.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings 1 to 4. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the invention, "a plurality" means two or more unless otherwise specified.

It should be noted that the circuit connections involved in the present invention all adopt a conventional circuit connection manner, and no innovation is involved.

Examples

As shown in fig. 1 to 4, a steel structure cutting device for civil engineering construction comprises a workbench 1, a gantry type support frame 2, a mounting plate 3, a lifting mechanism 4, a cutting mechanism 5, a conveying mechanism, a limiting mechanism and a controller; the gantry type support frame 2 is arranged above the workbench 1; the mounting plate 3 is horizontally arranged between the workbench 1 and the gantry type support frame 2; the lifting mechanism 4 is arranged on the gantry type support frame 2, and the moving end of the lifting mechanism 4 is connected with the top of the mounting plate 3; the cutting mechanism 5 is arranged at the bottom of the mounting plate 3 and used for cutting the I-shaped steel; the conveying mechanism is arranged on the workbench 1 and used for conveying the I-steel; the limiting mechanism is arranged on the workbench 1 and used for limiting the moving distance of the I-steel driven by the conveying mechanism; the controller is connected with the power module, and the lifting mechanism 4, the cutting mechanism 5, the conveying mechanism and the limiting mechanism are respectively and electrically connected with the controller.

When the I-steel is cut, the I-steel to be cut is conveyed through the conveying mechanism, the limiting mechanism closes the conveying mechanism when the specified cutting position of the moving I-steel is located, then the lifting mechanism 4 and the cutting mechanism 5 are started, the lifting mechanism 4 drives the mounting plate 3 and the cutting mechanism 5 to synchronously move downwards to cut off the I-steel, after the I-steel is cut off, the lifting mechanism 4 drives the cutting mechanism 5 to ascend, meanwhile, the limiting mechanism removes the limit and starts the conveying mechanism to respectively convey the cut I-steel out, the I-steel to be cut is moved to the cutting position to be cut next time, and therefore the uniform cutting of the I-steel is achieved.

Specifically, as shown in fig. 2 and 3, the limit mechanism includes a moving block 61, a stopper 64, a plurality of first springs 66, a linear displacement assembly, a first travel switch 67, and a second travel switch 68; the moving block 61 is vertically clamped in the first mounting groove 62 and can vertically move in the first mounting groove 62, the first mounting groove 62 is formed in one side of the top of the workbench 1, and a first sliding groove 63 is formed in the top of the moving block 61; the block 64 is clamped in the first sliding groove 63 and can vertically move in the first sliding groove 63, and a second mounting groove 65 is formed in the side wall of the block 64 close to one side of the top of the block; the first springs 66 are vertically arranged in the first sliding groove 63, and two ends of each first spring 66 are respectively fixed with the bottom of the stop block 64 and the inner bottom surface of the first sliding groove 63; the linear displacement assembly is arranged on the mounting plate 3, and the output end of the linear displacement assembly is fixed with the moving block 61 and is used for driving the moving block 61 to reciprocate and vertically move; the first travel switch 67 is arranged at the bottom of the first mounting groove 62, and the first travel switch 67 is electrically connected with the controller; a second travel switch 68 is disposed in the second mounting slot 65, the second travel switch 68 being electrically connected to the controller.

The working process of the limiting mechanism is as follows:

in addition, the maximum height of the moving block 61 is always lower than the height of the notch of the first mounting groove 62.

Referring to fig. 1, 2 and 3, when the i-steel is not cut, the moving block 61 is located above the first travel switch 67, and the second travel switch 68 arranged on the stop block 64 extends out of the first mounting groove 62, when the conveying mechanism moves the i-steel to be cut to the right, the end surface of the i-steel touches the second travel switch 68 and is stopped by the stop block 64, at this time, the second travel switch 68 sends a signal to the controller, the controller receives the signal and then controls the conveying mechanism to stop moving the i-steel, and starts the cutting mechanism 5 and the lifting mechanism 4, the lifting mechanism 4 can realize a one-time back-and-forth lifting process, firstly, the cutting mechanism 5 moves downwards under the driving of the lifting mechanism 4 to cut off the i-steel, after cutting, the lifting mechanism 4 drives the cutting mechanism 5 to move upwards, and during the upward movement of the cutting mechanism 5, the linear displacement assembly arranged on the mounting plate 3 can drive the moving block 61 to move downwards, the top of the stop block 64 is moved into the first mounting groove 62, when the moving block 61 moves downwards and the bottom of the moving block touches the first travel switch 67, the cutting mechanism 5 has completely moved above the i-steel at this time, and at the same time, the first travel switch 67 sends a signal to the controller, the controller receives the signal and then controls the conveying mechanism to move the cut i-steel and the i-steel to be cut rightwards, and the cutting mechanism 5 is closed, and simultaneously the linear displacement assembly drives the moving block 61 and the stop block 64 to move upwards, because the cut i-steel moves leftwards to the top of the first mounting groove 62 when the moving block 61 and the stop block 64 move upwards, the top of the stop block 64 is contacted with the bottom of the cut i-steel and cannot rise, and the moving block 61 continues to rise, so that the plurality of first springs 66 are in a compressed state, and when the cut i-steel moves rightwards and is separated from the stop block 64, the upper end of the stop block 64 is ejected out of the first sliding groove 63 under the action of the first springs 66, so that the second travel switch 68 arranged on the stop block 64 continuously extends out of the first mounting groove 62, when the I-steel to be cut moves rightwards, the end of the I-steel to be cut touches the second travel switch 68, the cutting process is repeated to achieve clearance cutting of the I-steel, the position of the right end of the I-steel is limited by the stop block 64 when the I-steel is cut, the cutting mechanism 5 can limit the position of the left end of the cut I-steel, and therefore the I-steel can be cut uniformly.

Specifically, as shown in fig. 1, 2 and 4, the linear displacement assembly includes a first link 31, a mounting block 701, a pressing column 704, a slider 705, a wedge slider 708, a first rack 710, a second link 711, a second rack 713, a rotating shaft 714 and a first gear 715; one end of the first connecting rod 31 is vertically fixed with the bottom of the mounting plate 3, and the other end of the first connecting rod 31 is fixed with a wedge-shaped extrusion block 32; the mounting block 701 is fixed on the inner wall, facing the first mounting groove 62, of the gantry type support frame 2, the top of the mounting block 701 is provided with a third mounting groove 702, the wedge-shaped extrusion block 32 extends into the third mounting groove 702, and the inner wall, close to one side of the wedge-shaped extrusion block 32, of the third mounting groove 702 is provided with a second sliding groove 703 which is vertically arranged; the extrusion column 704 is horizontally fixed on the inner wall of the third installation groove 702 and is positioned at one side of the wedge-shaped extrusion block 32; a sliding block 705 is arranged in the third mounting groove 702, the side wall of the sliding block 705 is clamped in the second sliding groove 703 and is in sliding connection with the second sliding groove 703, a horizontally arranged third sliding groove 706 is formed in the side wall of the sliding block 705, which is opposite to the wedge-shaped extrusion block 32, a plurality of vertically arranged second springs 707 are fixed at the bottom of the sliding block 705, and the other ends of the plurality of second springs 707 are fixed with the bottom of the third mounting groove 702; the wedge-shaped sliding block 708 is horizontally clamped in the third sliding groove 706 and is in sliding connection with the third sliding groove 706, the inclined plane end of the wedge-shaped sliding block 708 extends out of the third sliding groove 706 and is parallel to the inclined plane end of the wedge-shaped extrusion block 32, a plurality of third springs 709 which are horizontally arranged are fixed at the plane end of the wedge-shaped sliding block 708, and the other ends of the third springs 709 are fixed with the bottom of the third sliding groove 706; a first rack 710 is vertically fixed on the side wall of the sliding block 705 away from the wedge-shaped extrusion block 32; the second connecting rod 711 is vertically arranged in the third mounting groove 702 and is positioned on the inner side of the first rack 710, the lower end of the second connecting rod 711 penetrates through the bottom of the third mounting groove 702 and then is vertically fixed with the third connecting rod 712, and one end of the third connecting rod 712 extends into the first mounting groove 62 and is fixed with the side wall of the moving block 61; the second rack 713 is vertically fixed on the sidewall of the second link 711 opposite to the first rack 710; the rotating shaft 714 is horizontally arranged in the third mounting groove 702, two ends of the rotating shaft 714 are respectively and rotatably connected with the inner walls of two sides of the third mounting groove 702, and the rotating shaft 714 is positioned between the first rack 710 and the second rack 713; the first gear 715 is fixed on the rotating shaft 714 in a sleeved manner, and the first gear 715 is engaged with the first rack 710 and the second rack 713 respectively.

The process that the linear displacement assembly drives the moving block 61 to ascend and descend is as follows:

referring to fig. 2 and 4, when the lifting mechanism 4 drives the mounting plate 3 and the cutting mechanism 5 to move downward to cut the i-steel, the mounting plate 3 moves downward to drive the first connecting rod 31 and the wedge-shaped pressing block 32 to move downward synchronously, when the inclined end of the wedge-shaped pressing block 32 moves downward, the inclined end of the wedge-shaped slider 708 is pressed toward the third sliding slot 706, and the third springs 709 are compressed, after the wedge-shaped pressing block 32 continues to move downward to a position below the wedge-shaped slider 708, the wedge-shaped slider 708 extends out of the third sliding slot 706 under the elastic force of the third springs 709, at this time, the lifting mechanism 4 drives the mounting plate 3 and the cutting mechanism 5 to move upward, the mounting plate 3 moves upward to drive the first connecting rod 31 and the wedge-shaped pressing block 32 to move upward synchronously, and the upper plane end of the wedge-shaped pressing block 32 abuts against the lower plane end of the wedge-shaped slider 708 during the upward movement of the wedge-shaped pressing block 32, the wedge-shaped extrusion block 32 moves upwards continuously to drive the wedge-shaped sliding block 708 and the sliding block 705 to move upwards synchronously, and the plurality of second springs 707 are stretched, the sliding block 705 moves and simultaneously drives the first rack 710 to move upwards, because the first rack 710 and the second rack 713 are respectively meshed with the first gear 715, the first rack 710 moves upwards, the second rack 713 moves downwards, so as to drive the second connecting rod 711 and the third connecting rod 712 to move downwards synchronously, the third connecting rod 712 moves downwards to drive the moving block 61 to move downwards, when the moving block 61 moves downwards and the bottom of the moving block contacts the first travel switch 67, the cutting mechanism 5 moves completely above the i-steel, and when the inclined end of the wedge-shaped sliding block 708 is extruded by the extrusion column 704, when the lifting mechanism 4 continues to drive the mounting plate 3 and the wedge-shaped extrusion block 32 to move upwards, the extrusion column 704 extrudes the wedge-shaped sliding block 708 towards the third sliding groove 706, and the third springs 709 are in a compressed state, when the wedge-shaped sliding block 708 moves towards the third sliding groove 706, the lower plane end of the wedge-shaped sliding block falls off from the upper plane end of the wedge-shaped pressing block 32, under the elastic force of the second springs 707, the sliding block 705 is pulled downwards, the sliding block 705 drives the first rack 710 to move downwards while moving downwards, because the first rack 710 and the second rack 713 are respectively engaged with the first gear 715, the second rack 713 moves upwards while moving downwards, so that the second link 711 and the third link 712 are driven to synchronously move upwards, and when the third link 712 moves upwards, the moving block 61 is driven to move upwards, so that the top of the stop block 64 is in contact with the bottom of the cut i-steel.

Preferably, in order to avoid the wear caused by the frequent contact between the top of the stopper 64 and the bottom of the i-beam and the frequent contact between the wedge-shaped sliding blocks 708 and the wedge-shaped pressing blocks 32 and the pressing columns 704, wear-resistant layers are provided on the surfaces of the stopper 64, the wedge-shaped pressing blocks 32, the pressing columns 704 and the wedge-shaped sliding blocks 708.

Specifically, as shown in fig. 1 and 2, the cutting mechanism includes a first motor 51, a first pulley 52, a connecting frame 53, a second pulley 55, and a cutting knife 56; the first motor 51 is fixed at the bottom of the mounting plate 3, the output shaft of the first motor 51 is horizontally arranged, and the first motor 51 is electrically connected with the controller; the first belt pulley 52 is sleeved and fixed on the output shaft of the motor 51; the connecting frame 53 is fixed at the bottom of the mounting plate 3; the first connecting shaft 54 is horizontally arranged on the connecting frame 53 and rotatably connected with the connecting frame 53, and one end of the connecting shaft 54 extends out of the connecting frame 53; the second belt pulley 55 is fixed on the shaft section of the first connecting shaft 54 outside the connecting frame 53 in a sleeved manner, and the second belt pulley 55 is connected with the first belt pulley 52 through a first belt; the cutting knife 56 is fixed on the shaft section of the first connecting shaft 54 inside the connecting frame 53.

During cutting, the output shaft of the first motor 51 is controlled by the controller to drive the first belt pulley 52 to rotate, the first belt pulley 52 rotates to drive the second belt pulley 55 to synchronously rotate through the first belt, and the second belt pulley 55 rotates to drive the connecting shaft 54 and the cutting knife 56 to synchronously rotate to cut the I-shaped steel.

Preferably, as shown in fig. 1, in order to completely cut off the i-steel, a cutting groove 11 is formed at the top of the worktable 1 facing the cutting knife 56.

Specifically, as shown in fig. 1 and 2, in order to perform differential transmission on the i-steel to be cut and the cut i-steel, so that the transmission speed of the cut i-steel is higher than that of the i-steel to be cut, and the stopper 64 is conveniently extended out of the first mounting groove 62 for limiting, the transmission mechanism includes a second motor 801, a speed reducer 802, a second gear 804, a third connecting shaft 805, a third gear 806, a fourth connecting shaft 807, a fourth gear 808, a third belt pulley 809, a fifth connecting shaft 810, a fourth belt pulley 811, three driving transmission wheels 812 and three driven shafts 813; the second motor 801 is arranged in a fourth mounting groove 12, the fourth mounting groove 12 is arranged on the side wall of the workbench 1 departing from the first mounting groove 62, and an output shaft of the second motor 801 is horizontally arranged along the length direction of the fourth mounting groove 12; the speed reducer 802 is arranged on the left side of the cutting mechanism 5, an output shaft of the second motor 801 is connected with an input end of the speed reducer 802, an output end of the speed reducer 802 is vertically connected with a second connecting shaft 803, and the other end of the second connecting shaft 803 extends to the outside of the fourth mounting groove 12; the second gear 804 is fixed on the shaft section of the second connecting shaft 803 in the fourth mounting groove 12 in a sleeving manner; the third connecting shaft 805 is vertically arranged in the fourth mounting groove 12 and is positioned on the right side of the cutting mechanism 5, and two ends of the third connecting shaft 805 are respectively and rotatably connected with the top and the bottom of the fourth mounting groove 12; a third gear 806 is sleeved and fixed on the third connecting shaft 805, and the third gear 806 is meshed with the second gear 804; a fourth connecting shaft 807 is vertically arranged in the fourth mounting groove 12 and is positioned between the third connecting shaft 805 and the first mounting groove 62, one end of the fourth connecting shaft 807 is rotatably connected with the bottom of the fourth mounting groove 12, and the other end of the fourth connecting shaft 807 extends to the outside of the fourth mounting groove 12; a fourth gear 808 is sleeved and fixed on a shaft section of the fourth connecting shaft 807 in the fourth mounting groove 12, the fourth gear 808 is meshed with the third gear 806, and the diameter of the fourth gear 808 is smaller than that of the second gear 804; the third belt pulley 809 is sleeved and fixed on a shaft section of the fourth connecting shaft 807 in the fourth mounting groove 12; the fifth connecting shaft 810 is vertically arranged in the fourth mounting groove 12 and is positioned at the right side of the first mounting groove 62, one end of the fifth connecting shaft 810 is rotatably connected with the bottom of the fourth mounting groove 12, and the other end of the fifth connecting shaft 810 extends to the outside of the fourth mounting groove 12; a fourth belt pulley 811 is sleeved and fixed on a shaft section of the fifth connecting shaft 810 in the fourth mounting groove 12, and the fourth belt pulley 811 is connected with the third belt pulley 809 through a second belt; three driving transmission wheels 812 are respectively fixed on the shaft sections of the second connecting shaft 803, the fourth connecting shaft 807 and the fifth connecting shaft 810 outside the fourth mounting groove 12 in a sleeved manner, and the outer ring of each driving transmission wheel 812 is clamped between the upper flange and the lower flange of the i-steel and is in contact with the side wall of the i-steel, which is close to the fourth mounting groove 12; the three driven shafts 813 are vertically arranged on one side, away from the fourth mounting groove 12, of the top of the workbench 1, the three driven shafts 813 are in one-to-one correspondence with the second connecting shaft 803, the fourth connecting shaft 807 and the fifth connecting shaft 810 in a right-to-one mode, one ends of the three driven shafts 813 are rotatably connected with the top of the workbench 1, the three driven shafts 813 are respectively sleeved and fixed with driven transmission wheels 814, and the outer ring of each driven transmission wheel 814 is clamped between the upper flange and the lower flange of the I-shaped steel and is in contact with the side wall, away from the fourth mounting groove 12, of the I-shaped steel.

Referring to fig. 1 and 2, during conveying, the second motor 801 is started by the controller, an output shaft of the second motor 801 drives the second connecting shaft 803 to rotate through the speed reducer 802, the second connecting shaft 803 rotates to drive the second gear 804 to rotate and the driving transmission wheel 812 sleeved and fixed on the second connecting shaft 803 to rotate synchronously, since the third gear 806 is respectively meshed with the second gear 804 and the fourth gear 808, the second gear 804 rotates to drive the fourth gear 808 to rotate, the fourth gear 808 drives the fourth connecting shaft 807 to rotate and the driving transmission wheel 812 sleeved and fixed on the fourth connecting shaft 807 to rotate synchronously, since the diameter of the fourth gear 808 is smaller than that of the second gear 804, the rotating speed of the fourth connecting shaft 807 is higher than that of the second connecting shaft 803, so that different speeds of conveying i-steels on the left side and the right side of the cutting device 5 are realized, and the cut i-steels can be conveyed faster, after the conveying speed difference is formed, a gap is formed between the cut-off i-steel and the i-steel to be cut, the stop block 64 is convenient to insert into the gap, the fourth connecting shaft 807 rotates to drive the third belt pulley 809 to rotate, the third belt pulley 809 is connected with the fourth belt pulley 811 through the second belt, so that the third belt pulley 809 rotates to drive the fourth belt pulley 811, the fifth connecting shaft 810 and the driving transmission wheel 812 sleeved and fixed on the fifth connecting shaft 810 to rotate synchronously, the speed of conveying the i-steel on two sides of the first mounting groove 62 is kept to be the same, meanwhile, when the i-steel is conveyed, the clamping and conveying of the i-steel are realized through the matching of three driven shafts 813 respectively sleeved and fixed with driven transmission wheels 814, and because the upper and lower flanges on two sides of the i-steel are clamped by the outer rings of the driving transmission wheel 812 and the driven transmission wheels 814, when the cutting mechanism 5 cuts, the upper and lower positions of the I-shaped steel can be limited, and the cutting mechanism 5 can cut conveniently.

Preferably, in order to increase the friction force of the driving transmission wheel 812 and the driven transmission wheel 814 against the side wall of the i-beam, so as to facilitate the transportation, a rubber sleeve is sleeved and fixed on the outer ring of each driving transmission wheel 812 and each driven transmission wheel 814.

Specifically, the lifting mechanism 4 is a cylinder or a hydraulic cylinder, and a piston end of the cylinder or the hydraulic cylinder penetrates through the top of the gantry type support frame 2 and then is fixed with the top of the mounting plate 3.

Although the preferred embodiments of the present invention have been disclosed, the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. The utility model provides a steel construction cutting equipment for civil construction, includes workstation (1) and sets up planer-type support frame (2) in workstation (1) top, its characterized in that still includes:

the mounting plate (3) is horizontally arranged between the workbench (1) and the gantry type support frame (2);

the lifting mechanism (4) is arranged on the gantry type support frame (2), and the moving end of the lifting mechanism (4) is connected with the top of the mounting plate (3);

the cutting mechanism (5) is arranged at the bottom of the mounting plate (3) and used for cutting the I-shaped steel;

the conveying mechanism is arranged on the workbench (1) and is used for conveying the I-steel;

the limiting mechanism is arranged on the workbench (1) and used for limiting the moving distance of the I-steel driven by the conveying mechanism;

and the controller is connected with the power module, and the lifting mechanism (4), the cutting mechanism (5), the conveying mechanism and the limiting mechanism are respectively and electrically connected with the controller.

2. The steel structure cutting apparatus for civil engineering work of claim 1, wherein the limit mechanism comprises:

the moving block (61) is vertically clamped in the first mounting groove (62) and can vertically move in the first mounting groove (62), the first mounting groove (62) is formed in one side of the top of the workbench (1), and a first sliding groove (63) is formed in the top of the moving block (61);

the stop block (64) is clamped in the first sliding groove (63) and can vertically move in the first sliding groove (63), and a second mounting groove (65) is formed in the side wall, close to one side of the top, of the stop block (64);

the first springs (66) are vertically arranged in the first sliding grooves (63), and two ends of each first spring (66) are respectively fixed with the bottom of the stop block (64) and the inner bottom surface of each first sliding groove (63);

the linear displacement assembly is arranged on the mounting plate (3), and the output end of the linear displacement assembly is fixed with the moving block (61) and is used for driving the moving block (61) to reciprocate and vertically move;

the first travel switch (67) is arranged at the bottom of the first mounting groove (62), and the first travel switch (67) is electrically connected with the controller;

and the second travel switch (68) is arranged in the second mounting groove (65), and the second travel switch (68) is electrically connected with the controller.

3. The steel structure cutting apparatus for civil engineering work of claim 2, wherein the linear displacement assembly comprises:

one end of the first connecting rod (31) is vertically fixed with the bottom of the mounting plate (3), and the other end of the first connecting rod is fixed with a wedge-shaped extrusion block (32);

the mounting block (701) is fixed on the inner wall, right opposite to the first mounting groove (62), of the gantry type support frame (2), a third mounting groove (702) is formed in the top of the mounting block (701), the wedge-shaped extrusion block (32) extends into the third mounting groove (702), and a second sliding groove (703) which is vertically formed is formed in the inner wall, close to one side of the wedge-shaped extrusion block (32), of the third mounting groove (702);

the extrusion column (704) is horizontally fixed on the inner wall of the third mounting groove (702) and is positioned on one side of the wedge-shaped extrusion block (32);

the sliding block (705) is arranged in the third mounting groove (702), the side wall of the sliding block (705) is clamped in the second sliding groove (703) and is in sliding connection with the second sliding groove (703), the side wall, opposite to the wedge-shaped extrusion block (32), of the sliding block (705) is provided with a horizontally arranged third sliding groove (706), the bottom of the sliding block (705) is fixedly provided with a plurality of vertically arranged second springs (707), and the other ends of the plurality of second springs (707) are fixed with the groove bottom of the third mounting groove (702);

the wedge-shaped sliding block (708) is horizontally clamped in the third sliding groove (706) and is in sliding connection with the third sliding groove (706), the inclined plane end of the wedge-shaped sliding block (708) extends out of the third sliding groove (706) and is parallel to the inclined plane end of the wedge-shaped extrusion block (32), a plurality of third springs (709) which are horizontally arranged are fixed at the plane end of the wedge-shaped sliding block (708), and the other ends of the third springs (709) are fixed with the bottom of the third sliding groove (706);

the first rack (710) is vertically fixed on the side wall of the sliding block (705) which is far away from the wedge-shaped extrusion block (32);

the second connecting rod (711) is vertically arranged in the third mounting groove (702) and is positioned on the inner side of the first rack (710), the lower end of the second connecting rod (711) penetrates through the bottom of the third mounting groove (702) and then is vertically fixed with the third connecting rod (712), and one end of the third connecting rod (712) extends into the first mounting groove (62) and is fixed with the side wall of the moving block (61);

the second rack (713) is vertically fixed on the side wall of the second connecting rod (711) opposite to the first rack (710);

the rotating shaft (714) is horizontally arranged in the third mounting groove (702), two ends of the rotating shaft (714) are respectively and rotatably connected with the inner walls of two sides of the third mounting groove (702), and the rotating shaft (714) is positioned between the first rack (710) and the second rack (713);

and the first gear (715) is sleeved and fixed on the rotating shaft (714), and the first gear (715) is meshed with the first rack (710) and the second rack (713) respectively.

4. The steel structure cutting device for civil engineering work according to claim 3, characterized in that the surfaces of the stop blocks (64), the wedge-shaped pressing blocks (32), the pressing columns (704) and the wedge-shaped sliding blocks (708) are provided with a wear resistant layer.

5. The steel structure cutting apparatus for civil engineering work according to claim 1, characterized in that the cutting mechanism (5) comprises:

the first motor (51) is fixed at the bottom of the mounting plate (3), an output shaft of the first motor (51) is horizontally arranged, and the first motor (51) is electrically connected with the controller;

the first belt pulley (52) is sleeved and fixed on an output shaft of the motor (51);

the connecting frame (53) is fixed at the bottom of the mounting plate (3);

the first connecting shaft (54) is horizontally arranged on the connecting frame (53) and is rotatably connected with the connecting frame (53) and one end of the connecting shaft (54) extends out of the connecting frame (53);

the second belt pulley (55) is sleeved and fixed on a shaft section of the first connecting shaft (54) positioned outside the connecting frame (53), and the second belt pulley (55) is connected with the first belt pulley (52) through a first belt;

and the cutting knife (56) is sleeved and fixed on the shaft section of the first connecting shaft (54) positioned in the connecting frame (53).

6. The steel structure cutting equipment for civil engineering construction according to claim 5, characterized in that the top of the working platform (1) facing the cutting knife (56) is provided with a cutting groove (11).

7. The steel structure cutting apparatus for civil engineering work of claim 2, wherein the conveying mechanism comprises:

the second motor (801) is arranged in a fourth mounting groove (12), the fourth mounting groove (12) is formed in the side wall, deviating from the first mounting groove (62), of the workbench (1), and the output shaft of the second motor (801) is horizontally arranged along the length direction of the fourth mounting groove (12);

the speed reducer (802) is arranged on the left side of the cutting mechanism (5), an output shaft of the second motor (801) is connected with an input end of the speed reducer (802), an output end of the speed reducer (802) is vertically connected with a second connecting shaft (803), and the other end of the second connecting shaft (803) extends to the outside of the fourth mounting groove (12);

the second gear (804) is sleeved and fixed on a shaft section of the second connecting shaft (803) in the fourth mounting groove (12);

the third connecting shaft (805) is vertically arranged in the fourth mounting groove (12) and is positioned on the right side of the cutting mechanism (5), and two ends of the third connecting shaft (805) are respectively and rotatably connected with the top and the bottom of the fourth mounting groove (12);

the third gear (806) is sleeved and fixed on the third connecting shaft (805), and the third gear (806) is meshed with the second gear (804);

the fourth connecting shaft (807) is vertically arranged in the fourth mounting groove (12) and is positioned between the third connecting shaft (805) and the first mounting groove (62), one end of the fourth connecting shaft (807) is rotatably connected with the bottom of the fourth mounting groove (12), and the other end of the fourth connecting shaft (807) extends to the outside of the fourth mounting groove (12);

the fourth gear (808) is sleeved and fixed on a shaft section of the fourth connecting shaft (807) in the fourth mounting groove (12), the fourth gear (808) is meshed with the third gear (806), and the diameter of the fourth gear (808) is smaller than that of the second gear (804);

the third belt pulley (809) is sleeved and fixed on a shaft section of the fourth connecting shaft (807) in the fourth mounting groove (12);

the fifth connecting shaft (810) is vertically arranged in the fourth mounting groove (12) and is positioned on the right side of the first mounting groove (62), one end of the fifth connecting shaft (810) is rotatably connected with the bottom of the fourth mounting groove (12), and the other end of the fifth connecting shaft (810) extends to the outside of the fourth mounting groove (12);

the fourth belt pulley (811) is sleeved and fixed on a shaft section of the fifth connecting shaft (810) in the fourth mounting groove (12), and the fourth belt pulley (811) is connected with the third belt pulley (809) through a second belt;

the three driving transmission wheels (812) are respectively sleeved and fixed on shaft sections of the second connecting shaft (803), the fourth connecting shaft (807) and the fifth connecting shaft (810) which are positioned outside the fourth mounting groove (12), and the outer ring of each driving transmission wheel (812) is clamped between the upper flange and the lower flange of the I-steel and is in contact with the side wall, close to the fourth mounting groove (12), of the I-steel;

three driven shafts (813), vertical setting is kept away from one side of fourth mounting groove (12) at the top of workstation (1), three driven shafts (813) one-to-one respectively with second connecting axle (803), fourth connecting axle (807) and fifth connecting axle (810) just to setting up, the one end of three driven shafts (813) is rotated with the top of workstation (1) and is connected, the suit is fixed with driven transfer gear (814) respectively on three driven shafts (813), the outer lane of every driven transfer gear (814) all clamps between the upper and lower flange of I-steel, and with the lateral wall contact of keeping away from fourth mounting groove (12) of I-steel.

8. The steel structure cutting equipment for civil engineering work according to claim 7, characterized in that rubber sleeves are fixed on the outer ring of each driving transfer wheel (812) and each driven transfer wheel (814) in a sleeved manner.

9. The steel structure cutting equipment for civil construction according to claim 1, wherein the lifting mechanism (4) is a cylinder or a hydraulic cylinder, and the piston end of the cylinder or the hydraulic cylinder passes through the top of the gantry type support frame (2) and then is fixed with the top of the mounting plate (3).