Portal frame for constructional engineering

Abstract

The utility model discloses a portal frame for constructional engineering, and relates to the technical field of portal frames, the portal frame comprises two bases, the front ends and the rear ends of the tops of the two bases are connected with side supporting foot frames through threads, and the tops of the two bases are provided with conveying assemblies used for driving goods to move horizontally. Adjusting assemblies are arranged between the two side supporting foot frames on the same side and used for driving the conveying assemblies to ascend and descend, the overall height is conveniently adjusted, each adjusting assembly comprises a T-shaped hollow frame, the T-shaped hollow frames are arranged in the center of the top of the base, and T-shaped lifting rods are movably arranged at the top ends of the interiors of the T-shaped hollow frames. The internal threaded rod rotates to drive the external threaded rod to ascend and descend along the internal threaded rod, the T-shaped lifting rod and the cross beam frame are driven to ascend and descend at the same time, the penetrating pipe penetrates through the limiting hole to fix the position of the T-shaped lifting rod, and therefore the overall use height can be adjusted conveniently, goods can be transported conveniently, and the application range is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry frames, in particular to a gantry frame used in construction engineering. Background Art

[0002] Gantry cranes are used for handling equipment, loading and unloading goods from warehouses, lifting and repairing heavy equipment, and transporting materials. They are suitable for manufacturing molds, auto repair factories, mines, civil construction sites, express logistics industries, and other places where lifting is required. In construction, they are often used for material transportation and for the up and down movement of construction personnel, realizing mechanization of lifting. They can reduce manpower, reduce production and operation costs, and improve work efficiency.

[0003] For example, Chinese patent application No. CN202121668910.9 discloses a gantry for construction engineering, comprising a plurality of bottom plates, a top plate and a support plate, wherein a bracket is connected between the top plate and each bottom plate, a side wall of the support plate is fixedly connected to the side wall of each bottom plate, a plurality of protective frames are fixedly connected between the bottom plate and the top plate, a slide is provided on the side wall of each protective frame, the side wall of each slide is connected to a limiting slide groove, each limiting slide groove is slidably provided with a limiting slider, each slide is provided with a roller, and each roller is respectively connected to each limiting slider, a fixed plate is provided above the support plate, a lifting assembly for lifting goods is provided at the top of the fixed plate, an interception assembly for preventing goods from falling is provided on the side wall of each protective frame, and a buffer assembly for buffering goods after falling is provided at the top of the support plate. The gantry has high transportation stability, can protect goods when they fall, and has high safety in use.

[0004] However, in actual use, the above device fixes the overall height through a bracket, and the overall height cannot be adjusted according to actual usage, and the goods cannot be transported to different heights, which reduces the scope of application. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a gantry for construction projects, which drives the external threaded rod to rise and fall along the internal threaded rod by rotating the internal threaded rod, and simultaneously drives the T-shaped lifting rod and the crossbeam frame to rise and fall, and then fixes the position of the T-shaped lifting rod by passing through the limiting hole through the through tube, thereby facilitating the adjustment of the overall use height, facilitating the transportation of goods, and improving the scope of application, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the utility model is: a gantry for construction engineering, comprising two bases, the front and rear ends of the tops of the two bases are both connected with side support frames through threads;

[0007] A conveying assembly is provided on the top of the two bases for driving the goods to move horizontally;

[0008] An adjustment component is provided between the two side support foot frames on the same side, which is used to drive the conveying component to rise and fall, so as to adjust the overall height;

[0009] The adjustment component includes a T-shaped hollow frame, which is arranged at the top center of the base. A T-shaped lifting rod is movably provided at the top of the T-shaped hollow frame, an externally threaded rod is fixedly provided at the bottom of the T-shaped lifting rod, and two mutually meshing bevel gears are provided at the bottom end of the T-shaped hollow frame, one of the bevel gears is fixedly provided with an internally threaded rod at the top, and the bottom end of the externally threaded rod is threadedly connected to the top of the internally threaded rod.

[0010] Preferably, a crank is connected to one side of the T-shaped hollow frame via a bearing, one end of the crank passes through one side of the T-shaped hollow frame and is fixedly connected to another bevel gear, and a bolt is threadedly connected on the crank to fix the crank and the T-shaped hollow frame.

[0011] Preferably, a limiting hole is provided at the top of the T-shaped hollow frame and the bottom of the T-shaped lifting rod, a through tube passes through the limiting hole, and one end of the through tube is threadedly connected to the limiting rod, so as to limit and fix the position of the T-shaped lifting rod.

[0012] Preferably, the conveying assembly includes a beam frame, and the two ends of the bottom of the beam frame are respectively arranged at the top of two T-shaped lifting rods. The front and rear sides of the top of the T-shaped lifting rod are threadedly connected with bolts for fixing the base and the beam frame, which facilitates the disassembly of the T-shaped lifting rod and the beam frame.

[0013] Preferably, a threaded rod is connected between the two ends of the beam frame through a bearing, a threaded block is threadedly connected to the threaded rod, a connecting rod is fixedly provided at the bottom of the threaded block, a load-bearing block is fixedly provided at the bottom of the connecting rod, and a hook is fixedly provided at the bottom of the load-bearing block to facilitate the rotation of the threaded rod to drive the threaded block to move horizontally.

[0014] Preferably, a slot is provided inside one end of the crossbeam frame, a motor is fixed inside the slot, and the motor output shaft passes through the slot and is fixedly connected to one end of the threaded rod, so that the motor can drive the threaded rod to rotate.

[0015] Preferably, bolts for fixing the base and the T-shaped hollow frame are threadedly connected on the front and rear sides of the bottom of the T-shaped hollow frame, and the tops of the two side support foot frames on the same side are connected to the front and rear sides of the T-shaped hollow frame by bolts, so that the utility model can be disassembled, stored or carried conveniently, and movable wheels are fixedly provided at the front and rear ends of the bottom of the base.

[0016] Compared with the prior art, the utility model provides a gantry for construction engineering, which has the following beneficial effects:

[0017] The staff manually turns the crank to drive the two bevel gears at the bottom end of the T-shaped hollow frame to engage and rotate with each other, and drive the internal threaded rod to rotate, and at the same time drive the external threaded rod to rise and fall along the internal threaded rod, so that the T-shaped lifting rod is lifted and lowered along the inside of the T-shaped hollow frame, and finally drives the crossbeam frame to rise and fall. After moving to the appropriate position, take the through-tube and pass it through the corresponding limit holes on the T-shaped hollow frame and the T-shaped lifting rod, and then screw the limit rod thread on the through-tube to fix the position of the T-shaped lifting rod, thereby ensuring the stability of the T-shaped lifting rod and the T-shaped hollow frame, thereby facilitating the adjustment of the overall use height, facilitating the transportation of goods, and improving the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a bottom view of the overall structure of the utility model;

[0020] Figure 3 It is a cross-sectional view of the overall structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the conveying component of the utility model.

[0023] In the figure: 1 base, 2 adjustment assembly, 3 side support frame, 4 conveying assembly, 5 moving wheel, 6 limit hole;

[0024] 21 T-type hollow frame, 22 T-type lifting rod, 23 external threaded rod, 24 internal threaded rod, 25 bevel gear, 26 crank, 27 through-tube, 28 limit rod, 41 crossbeam frame, 42 threaded rod, 43 threaded block, 44 connecting rod, 45 load-bearing block, 46 hook, 47 motor. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 1-5 As shown, the utility model provides a gantry for construction engineering, including two bases 1, the front and rear ends of the tops of the two bases 1 are both connected with side support frames 3 by threads, and the front and rear ends of the bottoms of the two bases 1 are both fixed with moving wheels 5.

[0027] like Figure 1-4As shown, an adjustment component 2 is provided between the two side support foot frames 3 on the same side, which is used to drive the conveying component 4 to rise and fall, so as to adjust the overall height. The adjustment component 2 includes a T-shaped hollow frame 21, and the T-shaped hollow frame 21 is arranged at the top center of the base 1. A T-shaped lifting rod 22 is movably provided at the top of the T-shaped hollow frame 21, and an external threaded rod 23 is fixedly provided at the bottom of the T-shaped lifting rod 22. Two mutually meshing bevel gears 25 are provided at the bottom end of the T-shaped hollow frame 21, and an internal threaded rod 24 is fixedly provided at the top of one of the bevel gears 25, and the bottom end of the external threaded rod 23 is threadedly connected to the top of the internal threaded rod 24, and a crank 26 is connected to one side of the T-shaped hollow frame 21 through a bearing.

[0028] One end of the crank 26 passes through one side of the T-shaped hollow frame 21 and is fixedly connected to another bevel gear 25, and a bolt for fixing the crank 26 and the T-shaped hollow frame 21 is threadedly connected on the crank 26. A limiting hole 6 is provided at the top of the T-shaped hollow frame 21 and the bottom of the T-shaped lifting rod 22. A through tube 27 passes through the limiting hole 6, and one end of the through tube 27 is threadedly connected to the limiting rod 28, which is convenient for limiting and fixing the position of the T-shaped lifting rod 22. Bolts for fixing the base 1 and the T-shaped hollow frame 21 are threadedly connected on the front and rear sides of the bottom of the T-shaped hollow frame 21, and the tops of the two side support foot frames 3 on the same side are connected to the front and rear sides of the T-shaped hollow frame 21 by bolts, which is convenient for disassembly of the utility model and convenient for storage or transportation.

[0029] By setting the adjustment component 2, the utility model is pushed to the appropriate position, and then the various parts are assembled with each other. Then, according to the actual situation, the bolts on the crank handle 26 are unscrewed, and the staff manually turns the crank handle 26 to drive the two bevel gears 25 at the bottom end of the T-shaped hollow frame 21 to engage and rotate with each other, and drive the internal threaded rod 24 to rotate, and at the same time drive the external threaded rod 23 to rise and fall along the internal threaded rod 24, so that the T-shaped lifting rod 22 is lifted and lowered along the inside of the T-shaped hollow frame 21, and finally drives the crossbeam frame 41 to rise and fall. After moving to the appropriate position, take the through tube 27 and pass it through the corresponding limiting holes 6 on the T-shaped hollow frame 21 and the T-shaped lifting rod 22, and then screw the limiting rod 28 on the through tube 27 to fix the position of the T-shaped lifting rod 22, thereby ensuring the stability of the T-shaped lifting rod 22 and the T-shaped hollow frame 21, thereby facilitating the adjustment of the overall use height, facilitating the transportation of goods, and improving the scope of application.

[0030] like Figure 1-3As shown in , 5, a conveying assembly 4 is provided on the top of the two bases 1 for driving the horizontal movement of the goods, and the conveying assembly 4 includes a beam frame 41, and the two ends of the bottom of the beam frame 41 are respectively provided at the top of the two T-shaped lifting rods 22, and the front and rear sides of the top of the T-shaped lifting rod 22 are threadedly connected with bolts for fixing the base 1 and the beam frame 41, so as to facilitate the disassembly of the T-shaped lifting rod 22 and the beam frame 41, and a threaded rod 42 is connected between the two ends inside the beam frame 41 through a bearing.

[0031] A threaded block 43 is threadedly connected to the threaded rod 42, a connecting rod 44 is fixedly provided at the bottom of the threaded block 43, a load-bearing block 45 is fixedly provided at the bottom of the connecting rod 44, a hook 46 is fixedly provided at the bottom of the load-bearing block 45, so that the threaded rod 42 can rotate and drive the threaded block 43 to move horizontally, a slot is provided inside one end of the crossbeam frame 41, a motor 47 is fixedly provided inside the slot, an output shaft of the motor 47 passes through the slot and is fixedly connected to one end of the threaded rod 42, so that the motor 47 can drive the threaded rod 42 to rotate.

[0032] By setting the conveying component 4 and adjusting the height of the utility model, the motor 47 slotted in one end of the beam frame 41 is started, and the motor 47 drives the threaded rod 42 to rotate. The rotation of the threaded rod 42 drives the threaded block 43 thereon to move horizontally along the threaded rod 42, and at the same time drives the goods suspended on the hook 46 to move horizontally, thereby realizing the transportation of the goods.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry 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 will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A gantry for construction engineering, comprising two bases (1), characterized in that: The front and rear ends of the tops of the two bases (1) are both connected to side support foot frames (3) through threads; A conveying assembly (4) is provided on the top of the two bases (1) for driving the goods to move horizontally; An adjustment component (2) is provided between the two side support foot frames (3) on the same side, and is used to drive the conveying component (4) to rise and fall, so as to facilitate adjustment of the overall height; The adjustment assembly (2) comprises a T-shaped hollow frame (21), the T-shaped hollow frame (21) being arranged at the top center of the base (1), a T-shaped lifting rod (22) being movably arranged at the top of the T-shaped hollow frame (21), an external threaded rod (23) being fixedly arranged at the bottom of the T-shaped lifting rod (22), two mutually meshing bevel gears (25) being arranged at the bottom of the T-shaped hollow frame (21), an internal threaded rod (24) being fixedly arranged at the top of one of the bevel gears (25), and the bottom end of the external threaded rod (23) being threadedly connected to the top of the internal threaded rod (24).

2. A gantry for construction engineering according to claim 1, characterized in that: A crank (26) is connected to one side of the T-shaped hollow frame (21) via a bearing, one end of the crank (26) passes through one side of the T-shaped hollow frame (21) and is fixedly connected to another bevel gear (25), and a bolt for fixing the crank (26) and the T-shaped hollow frame (21) is threadedly connected to the crank (26).

3. A gantry for construction engineering according to claim 2, characterized in that: The top of the T-shaped hollow frame (21) and the bottom of the T-shaped lifting rod (22) are both provided with a limiting hole (6), a through-tube (27) passes through the inside of the limiting hole (6), and one end of the through-tube (27) is threadedly connected to the limiting rod (28).

4. A gantry for construction engineering according to claim 1, characterized in that: The conveying assembly (4) comprises a crossbeam frame (41), the two ends of the bottom of the crossbeam frame (41) are respectively arranged at the top of two T-shaped lifting rods (22), and the front and rear sides of the top of the T-shaped lifting rod (22) are both threadedly connected with bolts for fixing the base (1) and the crossbeam frame (41).

5. A gantry for construction engineering according to claim 4, characterized in that: A threaded rod (42) is connected between the two ends of the cross beam frame (41) via bearings, a threaded block (43) is threadedly connected to the threaded rod (42), a connecting rod (44) is fixedly provided at the bottom of the threaded block (43), a bearing block (45) is fixedly provided at the bottom end of the connecting rod (44), and a hook (46) is fixedly provided at the bottom of the bearing block (45).

6. A gantry for construction engineering according to claim 5, characterized in that: A slot is provided inside one end of the crossbeam frame (41), a motor (47) is fixedly provided inside the slot, and an output shaft of the motor (47) passes through the slot and is fixedly connected to one end of the threaded rod (42).

7. A gantry for construction engineering according to claim 1, characterized in that: Bolts for fixing the base (1) and the T-shaped hollow frame (21) are threadedly connected on both the front and rear sides of the bottom of the T-shaped hollow frame (21); the tops of the two side support frames (3) on the same side are connected to the front and rear sides of the T-shaped hollow frame (21) by bolts; and moving wheels (5) are fixedly provided at both the front and rear ends of the bottom of the base (1).

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