Steel structure cutting device for building construction

Abstract

The utility model belongs to the technical field of steel structure cutting, and particularly relates to a steel structure cutting device for building construction. A supporting plate is fixedly installed in the center of the conveying frame, supports are fixedly installed on the two sides of the upper portion of the conveying frame, lifting air cylinders are fixedly installed on the tops of the supports, sliding grooves are fixedly connected to the front ends of piston rods of the lifting air cylinders, sliding blocks are arranged in the sliding grooves in a sliding mode, and threaded holes are formed in the sliding blocks. Portal frames are arranged on the two sides of the upper portion of the supporting plate and fixedly installed on the upper portion of the conveying frame, grooves are formed in the inner sides of stand columns on the two sides of each portal frame, fixed air cylinders are fixedly installed in the centers of the tops of the portal frames, and pressing plates are fixedly installed at the front ends of piston rods of the fixed air cylinders. The two ends of the pressing plate are slidably installed in grooves in the two sides of the portal frame. And the steel structure is fixed through the pressing plate and the supporting plate, and the situation that the cutting efficiency is affected due to displacement of the steel structure in the cutting-off process is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure cutting, in particular to a steel structure cutting device used for building construction. Background Art

[0002] In construction, steel structure is a commonly used building material, widely used in bridges, building frames, roof structures, etc. In view of the cutting needs of steel structures, special steel structure cutting devices are usually used in construction.

[0003] The intelligent hydraulic steel structure cutting machine adopts an advanced hydraulic transmission system. The motor drives the eccentric shaft to rotate, so that the plunger pump generates high-pressure oil and presses it into the oil cylinder. The high-pressure oil pushes the piston in the oil cylinder, and then drives the moving blade forward, which intersects with the fixed blade fixed on the support to cut the steel structure.

[0004] The traditional cutting device has poor fixation, which causes the I-beam to deviate during the cutting process, resulting in uneven cut surfaces and reducing the cutting efficiency of the cutting device. Therefore, a cutting device for steel structures in construction is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the traditional cutting device has poor fixation, which causes the I-beam to deviate during the cutting process, resulting in uneven cut surfaces and reducing the cutting efficiency of the cutting device. The utility model proposes a cutting device for steel structures in construction.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model is a cutting device for steel structures in construction, comprising a conveying frame; a support plate is fixedly installed in the center of the conveying frame, a through hole is opened in the center of the support plate, a plurality of conveying rollers are arranged in parallel on both sides of the support plate, both ends of the conveying rollers are rotatably installed in the conveying frame through bearings, brackets are fixedly installed on both sides of the upper part of the conveying frame, a lifting cylinder is fixedly installed on the top of the bracket, a slide groove is fixedly connected to the front end of the piston rod of the lifting cylinder, both ends of the slide groove are slidably arranged in the bracket, a slider is slidably arranged in the slide groove, and a thread is opened inside the slider Hole, a cutting machine is fixedly installed on the lower end of the slider, gantries are provided on both sides above the support plate and fixedly installed on the upper part of the conveying frame, grooves are opened on the inner sides of the columns on both sides of the gantry, a fixed cylinder is fixedly installed in the center of the top of the gantry, a pressure plate is fixedly installed on the front end of the piston rod of the fixed cylinder, both ends of the pressure plate are slidably installed in the grooves on both sides of the gantry, limit rods are provided on both sides of the center of the bottom of the conveying frame, both ends of the limit rods are fixedly installed on the conveying frame, and movable plates are provided on both sides of the bottom of the conveying frame, and the steel structure is fixed by the pressure plate and the support plate to prevent the steel structure from displacement during the cutting process, affecting the cutting efficiency.

[0007] Preferably, a No. 1 motor is fixedly installed on one side of one end of the conveying frame, and the rotating shaft of the No. 1 motor is fixedly connected to one end of the conveying roller. The same end of the conveying roller passes through the conveying frame surface and is fixedly installed with a rotating wheel. The rotating wheels rotate in coordination with belts, and the conveying roller is driven to rotate by the coordinated rotation of the rotating wheel and the belt to load the steel structure.

[0008] Preferably, a No. 2 motor is fixedly installed at one end of the slide groove, a screw rod is arranged in the slide groove, both ends of the screw rod are rotatably installed in the slide groove through bearings, the slider is slidably installed on the screw rod, the rotating shaft of the No. 2 motor is fixedly connected to the screw rod, and the position of the cutting machine is adjusted by rotating the screw rod to cut the steel structure.

[0009] Preferably, both ends of the movable plate are provided with sliding holes, and the center is provided with a threaded hole. Both ends of the movable plate are slidably mounted on the limiting rod, and the movable plate is controlled to move parallelly by the limiting rod.

[0010] Preferably, a bidirectional screw is provided between the limit rods, both ends of the bidirectional screw are rotatably mounted on the bottom of the conveying frame through bearings, and the movable plates are slidably mounted on the two ends of the bidirectional screw respectively. A No. 3 motor is fixedly mounted on one side of the bottom of the conveying frame, and the rotating shaft of the No. 3 motor is fixedly connected to the bidirectional screw, and the movable plate is driven to move by the bidirectional screw so that the two movable plates move the same distance.

[0011] Preferably, roller seats are fixedly installed on the upper parts of both ends of the movable plate, and rotating rollers are rotatably installed in the roller seats. By arranging the rotating rollers, the steel structure can be moved while positioning the two sides of the steel structure.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model places the steel structure on the conveying roller in the conveying frame when using the cutting device to cut the steel structure, starts the No. 1 motor to drive the conveying roller to rotate, the conveying roller drives the rotating wheel to rotate, the rotating wheel drives all the conveying rollers to rotate under the action of the belt, the conveying roller drives the steel structure to move, the front end of the steel structure passes under the cutting machine, and when it moves to the cutting position, starts the No. 3 motor to drive the bidirectional screw to rotate, the bidirectional screw drives the moving plate to move relatively on the limit rod, so that one side of the rotating roller in the roller seat contacts one side of the steel structure, the steel structure is positioned on both sides, starts the fixing cylinder, pushes the gantry under the pressure plate to slide down, fixes the two ends of the steel structure, starts the cutting machine, and starts the lifting cylinder at the same time to push the cutting machine down, cuts the steel structure through the cutting blade, and fixes the four sides of the steel structure to prevent the steel structure from being displaced during cutting. The structural design realizes the function of preventing the structure from being offset during cutting, solves the problem that the traditional cutting device has poor fixity, which makes the I-shaped steel offset during the cutting process, thereby causing the cutting surface to be uneven, reducing the cutting efficiency of the cutting device, and improving the cutting efficiency of the cutting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the structure of one side of the cutting device;

[0016] Figure 2 It is a schematic diagram of the structure of the other side of the cutting device;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the cutting device;

[0018] Figure 4 It is a schematic diagram of the vertical section structure of the cutting device;

[0019] Figure 5 This is a schematic diagram of the fixing device structure.

[0020] In the figure: 1. Conveyor frame; 2. Conveyor roller; 3. Motor No. 1; 4. Rotating wheel; 5. Belt; 6. Bracket; 7. Lifting cylinder; 8. Slide; 9. Screw; 10. Slider; 11. Cutting machine; 12. Motor No. 2; 13. Support plate; 14. Gantry; 15. Fixed cylinder; 16. Press plate; 17. Limit rod; 18. Bidirectional screw; 19. Moving plate; 20. Roller seat; 21. Rotating roller; 22. Motor No. 3. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5As shown, a cutting device for steel structure in construction includes a conveying frame 1; a support plate 13 is fixedly installed in the center of the conveying frame 1, a through hole is opened in the center of the support plate 13, a plurality of conveying rollers 2 are arranged in parallel on both sides of the support plate 13, both ends of the conveying rollers 2 are rotatably installed in the conveying frame 1 through bearings, brackets 6 are fixedly installed on both sides of the upper part of the conveying frame 1, a lifting cylinder 7 is fixedly installed on the top of the bracket 6, a slide groove 8 is fixedly connected to the front end of the piston rod of the lifting cylinder 7, both ends of the slide groove 8 are slidably arranged in the bracket 6, and a slider is slidably arranged in the slide groove 8 10, a threaded hole is opened inside the slider 10, a cutting machine 11 is fixedly installed at the lower end of the slider 10, a gantry 14 is arranged on both sides above the support plate 13 and fixedly installed on the upper part of the conveying frame 1, grooves are opened on the inner sides of the columns on both sides of the gantry 14, a fixed cylinder 15 is fixedly installed at the top center of the gantry 14, a pressure plate 16 is fixedly installed at the front end of the piston rod of the fixed cylinder 15, and both ends of the pressure plate 16 are slidably installed in the grooves on both sides of the gantry 14, and both sides of the bottom center of the conveying frame 1 are provided with limit rods 17, and both ends of the limit rods 17 are fixedly installed On the conveyor frame 1, both sides of the bottom of the conveyor frame 1 are provided with movable plates 19; when working, the conventional cutting device has poor fixity, so that the I-shaped steel is offset during the cutting process, resulting in uneven cut surfaces, which reduces the cutting efficiency of the cutting device. When the cutting device is used to cut the steel structure, the steel structure is placed on the conveyor roller 2 in the conveyor frame 1, and the No. 1 motor 3 is started to drive the conveyor roller 2 to rotate, and the conveyor roller 2 drives the rotating wheel 4 to rotate. The rotating wheel 4 drives all the conveyor rollers 2 to rotate under the action of the belt 5, and the conveyor roller 2 drives the steel structure to move, and the front end of the steel structure passes through the cutting Under the cutting machine 11, when it moves to the cutting position, start the No. 3 motor 22 to drive the bidirectional screw 18 to rotate, and the bidirectional screw 18 drives the movable plate 19 to move relatively on the limit rod 17, so that one side of the rotating roller 21 in the roller seat 20 contacts one side of the steel structure, and the steel structure is positioned on both sides. Start the fixing cylinder 15, push the pressure plate 16 down in the gantry 14, fix the two ends of the steel structure, start the cutting machine 11, and start the lifting cylinder 7 at the same time to push the cutting machine 11 down, cut the steel structure with the cutting blade, and fix the four sides of the steel structure to prevent the steel structure from displacement during cutting.

[0023] A No. 1 motor 3 is fixedly installed on one side of one end of the conveying frame 1, and the rotating shaft of the No. 1 motor 3 is fixedly connected to one end of the conveying roller 2. The same end of the conveying roller 2 passes through the surface of the conveying frame 1 and is fixedly installed with a rotating wheel 4. The rotating wheels 4 rotate in coordination with each other through a belt 5. During operation, when the cutting device is used to cut the steel structure, the No. 1 motor 3 is started to drive the conveying roller 2 to rotate, and the conveying roller 2 drives the rotating wheel 4 to rotate. The rotating wheel 4 drives all the conveying rollers 2 to rotate under the action of the belt 5, and the conveying roller 2 drives the steel structure to move, so as to load the steel structure.

[0024] A No. 2 motor 12 is fixedly installed at one end of the slide groove 8, and a screw rod 9 is arranged in the slide groove 8. Both ends of the screw rod 9 are rotatably installed in the slide groove 8 through bearings. The slider 10 is slidably installed on the screw rod 9, and the rotating shaft of the No. 2 motor 12 is fixedly connected to the screw rod 9. During operation, when the cutting device is used to cut the steel structure, the No. 2 motor 12 is started to drive the screw rod 9 to rotate, and the screw rod 9 drives the slider 10 to slide in the slide groove 8. At the same time, the slider 10 drives the cutting machine 11 to move to cut the larger steel structure.

[0025] The movable plate 19 has sliding holes at both ends and a threaded hole in the center. Both ends of the movable plate 19 are slidably mounted on the limit rod 17. During operation, when the cutting device is used to cut the steel structure, the movable plate 19 is moved and slides smoothly on the limit rod 17.

[0026] A bidirectional screw 18 is arranged between the limit rods 17, and both ends of the bidirectional screw 18 are rotatably mounted on the bottom of the conveying frame 1 through bearings, and the movable plate 19 is slidably mounted on both ends of the bidirectional screw 18, and a No. 3 motor 22 is fixedly mounted on one side of the bottom of the conveying frame 1, and the rotating shaft of the No. 3 motor 22 is fixedly connected to the bidirectional screw 18; during operation, when the cutting device is used to cut the steel structure, the No. 3 motor 22 is started, and the No. 3 motor 22 is started to drive the bidirectional screw 18 to rotate, and the bidirectional screw 18 drives the movable plate 19 to move relatively on the limit rod 17.

[0027] The upper parts of both ends of the movable plate 19 are fixedly installed with roller seats 20, and rotating rollers 21 are rotatably installed in the roller seats 20; during operation, when the cutting device is used to cut the steel structure, the movable plate 19 moves to drive the roller seats 20 to move, and the roller seats 20 drive the rotating rollers 21 to move, and the rotating rollers 21 position the two sides of the steel structure. At the same time, when the steel structure moves, it drives the rotating rollers 21 to rotate.

[0028] Working principle: when using the cutting device to cut the steel structure, the steel structure is placed on the conveying roller 2 in the conveying frame 1, the No. 1 motor 3 is started to drive the conveying roller 2 to rotate, the conveying roller 2 drives the rotating wheel 4 to rotate, the rotating wheel 4 drives all the conveying rollers 2 to rotate under the action of the belt 5, the conveying roller 2 drives the steel structure to move, the front end of the steel structure passes under the cutting machine 11, and when it moves to the cutting position, the No. 3 motor 22 is started to drive the bidirectional screw 18 to rotate, the bidirectional screw 18 drives the moving plate 19 to move relatively on the limit rod 17, so that the roller seat 20 One side of the inner rotating roller 21 contacts one side of the steel structure to position the steel structure on both sides, start the fixing cylinder 15, push the pressure plate 16 to slide down in the gantry 14, fix the two ends of the steel structure, start the cutting machine 11, and start the lifting cylinder 7 at the same time to push the cutting machine 11 down, start the No. 2 motor 12 to drive the screw rod 9 to rotate, the screw rod 9 drives the slider 10 to slide in the slide groove 8, and the slider 10 drives the cutting machine 11 to move, and the steel structure is cut by the cutting blade. By fixing the four sides of the steel structure, the steel structure is prevented from displacement during cutting.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A cutting device for steel structure in construction, characterized in that: The invention comprises a conveying frame (1); a support plate (13) is fixedly installed in the center of the conveying frame (1), a through hole is opened in the center of the support plate (13), a plurality of conveying rollers (2) are arranged in parallel on both sides of the support plate (13), both ends of the conveying rollers (2) are rotatably installed in the conveying frame (1) through bearings, brackets (6) are fixedly installed on both sides of the upper part of the conveying frame (1), a lifting cylinder (7) is fixedly installed on the top of the bracket (6), a slide groove (8) is fixedly connected to the front end of the piston rod of the lifting cylinder (7), both ends of the slide groove (8) are slidably arranged in the bracket (6), a slider (10) is slidably arranged in the slide groove (8), a threaded hole is opened inside the slider (10), and the slider (10) A cutting machine (11) is fixedly installed at the lower end, and gantry frames (14) are arranged on both sides above the support plate (13) and fixedly installed on the upper part of the conveying frame (1). Grooves are opened on the inner sides of the columns on both sides of the gantry frame (14). A fixed cylinder (15) is fixedly installed at the center of the top of the gantry frame (14). A pressure plate (16) is fixedly installed at the front end of the piston rod of the fixed cylinder (15). Both ends of the pressure plate (16) are slidably installed in the grooves on both sides of the gantry frame (14). Limit rods (17) are arranged on both sides of the center of the bottom of the conveying frame (1). Both ends of the limit rod (17) are fixedly installed on the conveying frame (1). Moving plates (19) are arranged on both sides of the bottom of the conveying frame (1).

2. A cutting device for steel structure in construction according to claim 1, characterized in that: A motor (3) is fixedly mounted on one side of one end of the conveying frame (1); a rotating shaft of the motor (3) is fixedly connected to one end of a conveying roller (2); the same ends of the conveying rollers (2) both pass through the surface of the conveying frame (1) and are fixedly mounted with rotating wheels (4); the rotating wheels (4) rotate in coordination with each other via belts (5).

3. The cutting device for steel structure in construction according to claim 1, characterized in that: A second motor (12) is fixedly mounted at one end of the slide groove (8), a screw rod (9) is arranged in the slide groove (8), both ends of the screw rod (9) are rotatably mounted in the slide groove (8) through bearings, the slider (10) is slidably mounted on the screw rod (9), and the rotating shaft of the second motor (12) is fixedly connected to the screw rod (9).

4. The cutting device for steel structure in construction according to claim 1, characterized in that: Both ends of the movable plate (19) are provided with sliding holes, and the center is provided with a threaded hole. Both ends of the movable plate (19) are slidably mounted on the limiting rod (17).

5. The cutting device for steel structure used in construction according to claim 1, characterized in that: A bidirectional screw (18) is arranged between the limit rods (17), and both ends of the bidirectional screw (18) are rotatably mounted on the bottom of the conveying frame (1) through bearings. The movable plate (19) is slidably mounted on both ends of the bidirectional screw (18), and a No. 3 motor (22) is fixedly mounted on one side of the bottom of the conveying frame (1), and the rotating shaft of the No. 3 motor (22) is fixedly connected to the bidirectional screw (18).

6. The cutting device for steel structure in construction according to claim 1, characterized in that: Roller seats (20) are fixedly mounted on the upper parts of both ends of the movable plate (19), and a rotating roller (21) is rotatably mounted in the roller seat (20).

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