Assembled steel beam hoisting device

Abstract

The utility model provides an assembly type steel beam hoisting device which comprises at least two support units arranged side by side at intervals, the tops of the support units are detachably connected with a lifting unit, the bottoms of the support units are detachably connected with a base unit, the base unit is matched with a moving unit, and a steel beam is connected with the lifting unit. The moving unit comprises a manual pallet truck, and fork feet of the manual pallet truck are matched with I-shaped steel in the base unit in an inserted mode. The support unit, the lifting unit and the base unit are all detachable and easy and convenient to assemble and disassemble, the construction time and the labor cost are reduced, the size is small after disassembly, transportation, storage and repeated use are convenient, the flexibility and economical efficiency of the device are improved, and the device is suitable for relatively low and narrow indoor space; the two support units and the two lifting units share the weight of the steel beam together, the single-point stress risk is reduced, the safety and balance in the hoisting process are improved, and the number of the support units, the number of the lifting units and the number of the base units can be increased according to needs.

Description

Technical Field

[0001] This utility model belongs to the technical field of steel beam hoisting, specifically a prefabricated steel beam hoisting device. Background Technology

[0002] With the increasing number of reinforcement and renovation projects, these projects involve adding mezzanine structures after the main structure has been completed. Steel mezzanines are a common type, being lighter than concrete structures, hence their widespread use. However, these reinforcement and renovation projects cannot utilize conventional vertical transportation equipment (such as tower cranes and construction elevators) to move and hoist materials. Furthermore, in relatively low-ceilinged and confined indoor spaces, when the weight exceeds the limits of human strength and requires the use of heavy-duty overhead cranes or complex temporary scaffolding, the following problems arise:

[0003] 1. Due to limited construction space, overhead cranes or hoists are often unavailable;

[0004] 2. If the construction space allows for the use of overhead cranes or hoists, although the lifting weight of the steel beams is not large, they need to be lifted frequently. If heavy-load overhead cranes or hoists are used for each lifting, the work efficiency will be low.

[0005] 3. Complex temporary support structures are complicated, time-consuming to install and dismantle, and inconvenient to move, which affects construction efficiency.

[0006] Therefore, how to effectively solve the above problems is an urgent technical issue that needs to be addressed. Utility Model Content

[0007] To address the shortcomings in the aforementioned background technology, this utility model proposes a prefabricated steel beam hoisting device, which solves the problems of not being able to use overhead cranes or gantry cranes to hoist steel beams due to limited construction space, or the low work efficiency when overhead cranes or gantry cranes can be used to hoist steel beams due to the availability of construction space, or the problems of complex temporary support structures being complicated, time-consuming to install and dismantle, and inconvenient to move, thus affecting construction efficiency.

[0008] The technical solution of this application is as follows:

[0009] A prefabricated steel beam hoisting device includes at least two support units arranged side-by-side at intervals. A lifting unit is detachably connected to the top of each support unit, and a base unit is detachably connected to the bottom of each support unit. The base unit cooperates with a moving unit, and the steel beam is connected to the lifting unit. The moving unit includes a manual pallet trolley, the forks of which are inserted into the I-beams in the base unit. The support units, lifting unit, and base unit are all detachable, simplifying installation and disassembly, reducing construction time and labor costs. After disassembly, the device is compact, facilitating transportation, storage, and reuse, thus improving its flexibility and economy. It is suitable for relatively low-ceilinged and confined indoor spaces. The two sets of support units and lifting units share the weight of the steel beam, reducing the risk of single-point stress and improving the safety and balance of the hoisting process. The number of support units, lifting units, and base units can be increased as needed. The base unit can be moved within a small range using the manual pallet trolley, offering flexibility and convenience.

[0010] Furthermore, the support unit includes a detachably connected vertical rod 1 and several vertical rods 2. The top of the vertical rod 1 is detachably connected to a horizontal rod, and the bottom of the vertical rod 1 is provided with a double-ended interface. Each of the double-ended interfaces is detachably connected to a vertical rod 2, and the bottom of the vertical rod 2 is inserted into the base unit.

[0011] Furthermore, the top of the horizontal bar and the first vertical bar are inserted into each other and connected by a bolt. The inner wall of the double-ended interface is provided with an internal thread. The top of the second vertical bar is provided with a screw that engages with the internal thread. The bottom of the second vertical bar is provided with an internal threaded hole for engaging with the adjacent second vertical bar.

[0012] Furthermore, the I-beam is provided with several sections, which are connected by bolts and nuts. Both ends of the I-beam are provided with holes for the bolts to pass through. A reinforcing plate is provided between the outer wall of the I-beam and the bolts, and a reinforcing plate is provided between the inner wall of the I-beam and the nuts. The web of the I-beam is provided with several holes for the vertical rods to be inserted. The vertical rods can be inserted into different holes to adjust their position according to the needs of the site.

[0013] Furthermore, several positioning rods are provided between the I-beams and adjacent I-beams. The lower surface of the positioning rods is provided with slots that fit into the flanges of the I-beams. The positioning rods ensure that the two rows of I-beams remain parallel, thereby enhancing stability.

[0014] Furthermore, the lifting unit includes an electric hoist, a manual hoist, or a winch, which is connected to the steel beam.

[0015] Furthermore, the steel beam is detachably connected to a fixing clamp, and an electric hoist, hand-operated hoist, or winch is connected to the fixing clamp. The fixing clamp ensures the stability of the steel beam during hoisting, reducing the risk of slippage or tilting.

[0016] Furthermore, the fixing clamp includes a U-shaped clamp, the upper wing plate of the U-shaped clamp is provided with bolt holes, the second screw is engaged with the bolt holes, the top of the second screw is provided with a hanging ring for connecting with an electric hoist, a hand chain hoist or a winch, and the bottom of the second screw is provided with a pressure plate pressing on the upper surface of the steel beam.

[0017] Furthermore, a clamp is provided on the crossbar, and an electric hoist, a hand-operated hoist, or a winch is connected to the clamp. A stop bar is provided at the end of the crossbar to prevent the clamp from falling off.

[0018] Furthermore, the dimension between the inner walls of the I-beam flanges is greater than the width of the manual pallet trolley forks, and the distance between adjacent I-beams is equal to the distance between the manual pallet trolley forks. The base unit can be moved within a small range with the manual pallet trolley, offering flexibility and convenience.

[0019] The specific beneficial effects of this utility model include:

[0020] 1. The bracket unit, lifting unit and base unit are all detachable, making installation and disassembly simple, reducing construction time and labor costs. After disassembly, the unit is small in size, making it easy to transport, store and reuse, which improves the flexibility and economy of the device. It is suitable for relatively low and small indoor spaces.

[0021] 2. The two sets of support units and lifting units share the weight of the steel beam, reducing the risk of single-point stress and improving the safety and balance of the hoisting process. The number of support units, lifting units and base units can be increased as needed.

[0022] 3. The base unit can be moved within a small range using a manual pallet trolley, making it flexible and convenient;

[0023] 4. Simple structure, low manufacturing cost, suitable for hoisting small and medium-sized steel beams, and high work efficiency;

[0024] 5. Use fixing clamps to ensure the steel beam is stable during hoisting, reducing the risk of slippage or tilting. Attached Figure Description

[0025] To more clearly illustrate the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of Embodiment 1 of the present utility model;

[0027] Figure 2 This is a schematic diagram of the support unit, lifting unit, and base unit in this utility model;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 This is a schematic diagram illustrating the use of this utility model and the transport vehicle;

[0030] Figure 5 This is a schematic diagram of Embodiment 2 of the present invention;

[0031] Figure 6 for Figure 5 Enlarged view of section B in the middle.

[0032] Explanation of icon numbers:

[0033] 1. Support unit; 2. Lifting unit;

[0034] 3. Base unit; 4. Steel beam;

[0035] 5. Manual pallet trolley forks; 6. Fixtures;

[0036] 11. Vertical rod one; 12. Vertical rod two;

[0037] 13. Crossbar; 14. Screw 1;

[0038] 31. I-beam; 32. Two bolts;

[0039] 33. Reinforcing plate one; 34. Reinforcing plate two;

[0040] 35. Cave entrance;

[0041] 41. U-shaped clamp; 42. Screw two;

[0042] 43. Hanging ring; 44. Pressure plate;

[0043] 130. Clamps;

[0044] 131. Bolt 1;

[0045] 132. Gear lever. Detailed Implementation

[0046] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0047] Example 1: A prefabricated steel beam hoisting device, such as... Figure 1 As shown, the device includes at least two support units 1 arranged side-by-side with spacing between them. A lifting unit 2 is detachably connected to the top of each support unit 1, and a base unit 3 is detachably connected to the bottom of each support unit 1. The base unit 3 cooperates with a moving unit. A steel beam 4 is connected to the lifting unit 2. The moving unit includes a manual pallet trolley, whose forks 5 are inserted into the I-beams 31 in the base unit 3. The support units 1, lifting unit 2, and base unit 3 are all detachable, making installation and disassembly simple, reducing construction time and labor costs. After disassembly, their small size facilitates transportation, storage, and reuse, improving the flexibility and economy of the device. The two sets of support units 1 and lifting units 2 share the weight of the steel beam, reducing the risk of single-point stress and improving the safety and balance of the hoisting process. The number of support units 1, lifting units 2, and base units 3 can be increased as needed. The structure is simple, the manufacturing cost is low, and it is suitable for hoisting small and medium-sized steel beams with high work efficiency.

[0048] Based on the above embodiments, as a preferred embodiment, such as... Figure 2 As shown, the support unit 1 includes a detachably connected vertical rod 11 and several vertical rods 12. The top of the vertical rod 11 is detachably connected to a horizontal rod 13. The bottom of the vertical rod 11 is provided with a double-headed interface. Each of the double-headed interfaces is detachably connected to the vertical rod 12. The bottom of the vertical rod 12 is inserted into the base unit 3.

[0049] Specifically, the support unit 1 is in the shape of an A-frame, and through the double-headed interface of the top vertical rod 11, several vertical rods 12 are connected to adjust the height of the support unit 1 according to the needs of the site.

[0050] Based on the above embodiments, as a preferred embodiment, the top of the horizontal bar 13 is inserted into the top of the vertical bar 11 and connected by bolt 131. The inner wall of the double-ended interface is provided with internal thread. The top of the vertical bar 12 is provided with a screw 14 that engages with the internal thread. The bottom of the vertical bar 12 is provided with an internal threaded hole for threaded engagement with the adjacent vertical bar 12.

[0051] Based on the above embodiments, as a preferred embodiment, such as... Figure 3 As shown, the I-beam 31 is provided with several sections, and the I-beams 31 are connected by bolts 32 and nuts. Both ends of the I-beam 31 are provided with holes for the bolts 32 to pass through. A reinforcing plate 33 is provided between the outer wall of the I-beam 31 and the bolts 32, and a reinforcing plate 34 is provided between the inner wall of the I-beam 31 and the nuts. The web of the I-beam 31 is provided with several holes 35 for the vertical rods 12 to be inserted. The vertical rods 12 can be inserted into different holes 35 to adjust their position according to the needs of the site.

[0052] Specifically, the more segments the I-beam 31 uses, the longer the base unit 3 becomes, thus enhancing the stability of the base unit.

[0053] Based on the above embodiments, as a preferred embodiment, a plurality of positioning rods 36 are provided between adjacent I-beams 31, and the lower surface of each positioning rod 36 is provided with a slot for inserting into the flange of the I-beam 31. The positioning rods 36 ensure that the two rows of I-beams 31 remain parallel, thereby enhancing stability.

[0054] Preferably, a counterweight can be placed on the I-beam 31 as needed to maintain the balance of the overall device.

[0055] Based on the above embodiments, as a preferred embodiment, the lifting unit 2 includes an electric hoist, a manual hoist, or a winch, which is connected to the steel beam 4.

[0056] Specifically, the chain of the electric hoist, hand-operated hoist, or winch is wound around the outer circumference of the steel beam 4. To prevent the steel beam from tilting or the chain from falling off, the chain is wound in multiple turns, such as... Figure 1 As shown, this enhances the fixation effect.

[0057] Based on the above embodiments, as a preferred embodiment, a clamp 130 is provided on the crossbar 13, the clamp 130 is fitted on the crossbar 13, an electric hoist or hand hoist or winch is connected to the clamp 130, and a stop bar 132 is provided at the end of the crossbar 13 to prevent the clamp 130 from falling off.

[0058] Based on the above embodiments, as a preferred embodiment, the dimension between the inner walls of the flanges of the I-beams 31 is greater than the width of the manual pallet trolley forks 5, and the distance between adjacent I-beams 31 is equal to the distance between the manual pallet trolley forks 5. Figure 4 As shown, when a small-scale movement is required, the forks 5 of the manual pallet trolley are inserted into the I-beam 31, and the entire device is moved by the manual pallet trolley, which is convenient and quick.

[0059] Example 2, as a preferred embodiment, differs from Example 1 in that the steel beam 4 is detachably connected to a fixing clamp 6, and an electric hoist, hand hoist, or winch is connected to the fixing clamp 6. Figure 5 , Figure 6 As shown, the fixing clamp 6 includes a U-shaped clamp 41. The upper wing plate of the U-shaped clamp 41 is provided with bolt holes. The second screw 42 mates with the bolt holes. The top of the second screw 42 is provided with a hanging ring 43 for connecting with an electric hoist, a hand hoist, or a winch. The bottom of the second screw 42 is provided with a pressure plate 44 that presses against the upper surface of the steel beam 4 to ensure the stability of the steel beam 4 during hoisting and reduce the risk of slippage or tilting. The second screw 42 is adjustable in length to adapt to steel beams 4 of different thicknesses or shapes, thus improving the versatility of the lifting device. The design of the hanging ring 43 facilitates connection with various hoisting equipment, adapts to different construction needs, and improves the flexibility of the lifting device.

[0060] Any aspects of this utility model that are not detailed herein are conventional technical means known to those skilled in the art.

[0061] The above content shows and describes the basic principles, main features, and beneficial effects of this utility model. The above description is merely a preferred embodiment of this utility model and is not intended to limit it. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A prefabricated steel beam hoisting device, characterized in that: It includes at least two support units (1) arranged side by side with spacing between them. The top of the support unit (1) is detachably connected to a lifting unit (2), and the bottom of the support unit (1) is detachably connected to a base unit (3). The base unit (3) cooperates with a moving unit. A steel beam (4) is connected to the lifting unit (2). The moving unit includes a manual pallet trolley. The forks (5) of the manual pallet trolley are inserted into the I-beam (31) in the base unit (3).

2. The prefabricated steel beam hoisting device according to claim 1, characterized in that: The support unit (1) includes a detachably connected vertical rod one (11) and several vertical rod two (12). The top of the vertical rod one (11) is detachably connected to a horizontal rod (13). The bottom of the vertical rod one (11) is provided with a double-headed interface. Each of the double-headed interfaces is detachably connected to the vertical rod two (12). The bottom of the vertical rod two (12) is inserted into the base unit (3).

3. The prefabricated steel beam hoisting device according to claim 2, characterized in that: The horizontal bar (13) is inserted into the top of the vertical bar one (11) and connected by bolt one (131). The inner wall of the double-ended interface is provided with internal thread. The top of the vertical bar two (12) is provided with screw one (14) that mates with the internal thread. The bottom of the vertical bar two (12) is provided with an internal thread hole for threading with the adjacent vertical bar two (12).

4. The prefabricated steel beam hoisting device according to claim 3, characterized in that: The I-beam (31) is provided with several sections, and the I-beams (31) are connected by bolts (32) and nuts. Both ends of the I-beam (31) are provided with holes for the bolts (32) to pass through. A reinforcing plate (33) is provided between the outer wall of the I-beam (31) and the bolts (32). A reinforcing plate (34) is provided between the inner wall of the I-beam (31) and the nuts. Several holes (35) are provided on the web of the I-beam (31) for the vertical rods (12) to be inserted.

5. The prefabricated steel beam hoisting device according to claim 4, characterized in that: A number of positioning rods (36) are provided between the I-beam (31) and the adjacent I-beam (31), and the lower surface of the positioning rod (36) is provided with a slot for interlocking with the flange of the I-beam (31).

6. The prefabricated steel beam hoisting device according to claim 5, characterized in that: The lifting unit (2) includes an electric hoist, a hand hoist, or a winch, which is connected to the steel beam (4).

7. The prefabricated steel beam hoisting device according to claim 6, characterized in that: The steel beam (4) is detachably connected to a fixing clamp (6), and an electric hoist, hand hoist, or winch is connected to the fixing clamp (6).

8. The prefabricated steel beam hoisting device according to claim 7, characterized in that: The fixing clamp (6) includes a U-shaped clamp (41), the upper wing plate of the U-shaped clamp (41) is provided with bolt holes, the second screw (42) is engaged with the bolt holes, the top of the second screw (42) is provided with a hanging ring (43) for connecting with an electric hoist, a hand hoist or a winch, and the bottom of the second screw (42) is provided with a pressure plate (44) pressing on the upper surface of the steel beam (4).

9. The prefabricated steel beam hoisting device according to claim 6, characterized in that: A clamp (130) is provided on the crossbar (13), and an electric hoist, a hand hoist, or a winch is connected to the clamp (130). A stop bar (132) is provided at the end of the crossbar (13) to prevent the clamp (130) from falling off.

10. The prefabricated steel beam hoisting device according to claim 5, characterized in that: The dimension between the inner walls of the flanges of the I-beam (31) is greater than the width of the manual pallet trolley fork (5), and the distance between adjacent I-beams (31) is equal to the distance between the manual pallet trolley fork (5).

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