Hoisting mechanism for mounting portal frame

Abstract

The utility model relates to the technical field of door-type steel frame installation, in particular to a hoisting mechanism for door-type steel frame installation, which is used for hoisting door-type steel frames spliced on the ground and comprises a hoisting main body and a fixing module, and the hoisting main body drives the fixing module to ascend and descend through a first hoisting tool; the fixing module comprises a first support and a second support, the first support is distributed in the first direction, the second support is distributed in the second direction, a first sliding groove penetrating through the width direction of the first support is formed in the first support, and the second support is slidably connected with the first support through the first sliding groove; the device further comprises an adjusting module which is arranged below the geometric center of the fixing module and used for providing acting force opposite to the hoisting displacement direction for the fixing module. A deformable frame structure is formed through the first support and the second support which are connected in a sliding mode, and therefore the door-type steel frame is suitable for spliced door-type steel frames of different specifications and styles. Meanwhile, swing generated by inertia in the displacement process is counteracted through the adjusting module.

Description

TECHNICAL FIELD

[0001] The utility model relates to door type steel frame installation technical field, especially a hoisting mechanism for door type steel frame installation. BACKGROUND

[0002] In the construction of light steel structure building, the traditional high-altitude assembly method is insufficient under some special conditions. For example, when the construction site is small, the environment is complex, or the road traffic conditions are limited, the traditional assembly method often cannot meet the construction requirements. At the same time, large-span light steel structure buildings such as workshops, warehouses and exhibition halls have high requirements for construction precision and efficiency, and the traditional high-altitude assembly method requires a large number of workers to work at high altitudes, which is prone to safety problems.

[0003] If the ground is segmented and spliced, it can be safely and quickly assembled, but when the assembled structure is transported, due to the large overall structure span and different segment gravity centers, it is difficult to adapt to different specifications of each segment structure by relying on the crane and the sling. When binding, the length and fixed position of the sling need to be adjusted, and at the same time, due to the large overall size of each segment structure, it is not stable during hoisting and moving, and it cannot be smoothly hoisted to the predetermined position, so that the precision problem is prone to occur when each segment is assembled and combined. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a hoisting mechanism for door type steel frame installation, which solves the problem that the existing crane cannot hoist the door type steel frame after ground assembly.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme of: a hoisting mechanism for door type steel frame installation is used for hoisting the door type steel frame after ground assembly, comprising: a hoisting body and a fixed module, the hoisting body drives the fixed module to lift through a first lifting appliance;

[0006] The fixed module comprises a first support and a second support, the first support is distributed along a first direction, and the second support is distributed along a second direction, a first sliding groove penetrating the first support in the width direction is arranged in the first support, and the second support is slidably connected with the first support through the first sliding groove;

[0007] Further comprising an adjusting module, the adjusting module is arranged below the geometric center of the fixed module, and is used for providing an acting force opposite to the hoisting displacement direction to the fixed module.

[0008] In an embodiment, the adjusting module comprises a third support and a swing piece, one end of the third support is hinged to the middle part of the first support or the middle part of the second support, the other end of the third support is interconnected to form a connection center, and the swing piece is arranged below the connection center.

[0009] In an embodiment, the third support comprises at least two connecting rods and an adjusting spring, the ends of adjacent connecting rods are hingedly connected to each other, and the adjusting spring is connected to the two ends of the adjacent connecting rods away from each other.

[0010] In an embodiment, at least two first supports and at least two second supports are provided, and each second support is connected to at least two first supports simultaneously.

[0011] In an embodiment, the second support is provided with a limiting block at each end in the length direction.

[0012] In an embodiment, the fixing module further comprises a locking member, the first sliding groove is provided with a through hole, and the locking member extends into the first sliding groove and is connected to the second support through the through hole.

[0013] In an embodiment, the second support is provided with a locking groove at the top, and the locking member extends into the locking groove.

[0014] In an embodiment, the first support is provided with a second lifting appliance, and / or the second support is provided with a third lifting appliance.

[0015] In an embodiment, the second lifting appliance is displaced along a first direction on the first support, and / or the third lifting appliance is provided between at least two first supports and is displaced along a second direction on the second support.

[0016] In an embodiment, the first sliding groove is provided with a second sliding groove at the bottom, the second lifting appliance slides along the second sliding groove, and the second support is provided with third sliding grooves distributed along the second direction, and the third lifting appliance slides along the third sliding grooves.

[0017] In an embodiment, the fixing module further comprises a lifting lug, and the lifting lug is arranged at the top of the first support and / or the second support.

[0018] The utility model discloses beneficial effects are as follows: the utility model discloses through the first support and the second support of mutual sliding connection, form the frame structure of being able to deform, thereby adapting to different specifications and style's after splicing door type steel frame, provide multiple lifting points, make operating personnel can according to need quickly adjust the position of lifting point and lifting appliance length. Meanwhile, through the adjusting module, when hoisting and moving the door type steel frame, provide the action force opposite to the direction of motion, offset the swing of inertia during displacement, effectively reduce the swing of door type steel frame, improve the security, make door type steel frame installation hoisting mechanism can stably and accurately move the door type steel frame of different specifications, shapes and gravity center to the installation position. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0020] Figure 1 It is a whole structure schematic view of an embodiment of the present application.

[0021] Figure 2 It is a top view of the fixing module and the adjusting module provided by an embodiment of the present application.

[0022] Figure 3 It is a structure schematic view of the fixing module provided by an embodiment of the present application.

[0023] Figure 4 It is a side view of the first support provided by an embodiment of the present application.

[0024] Figure 5 It is a sectional view of the first support provided by an embodiment of the present application.

[0025] Figure 6 It is a structure schematic view of the third support provided by an embodiment of the present application.

[0026] Label explanation:

[0027] 1, hoisting main body; 11, first lifting appliance; 2, fixing module; 21, first support; 211, first sliding groove; 212, through hole; 213, second lifting appliance; 214, second sliding groove; 22, second support; 221, limiting block; 222, locking groove; 223, third lifting appliance; 224, third sliding groove; 23, locking piece; 24, lifting lug; 3, adjusting module; 31, third support; 311, connecting rod; 312, adjusting spring; 32, swinging piece. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0029] In the description of the utility model, it is necessary to explain that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] Please refer to Figures 1 to 5 A hoisting mechanism for installing a portal steel frame is used for hoisting a portal steel frame after ground splicing, comprising: a hoisting body 1 and a fixed module 2, the hoisting body 1 drives the fixed module 2 to rise and fall through a first lifting appliance 11. Specifically, the hoisting body 1 can be a mobile hoisting device, such as a truck crane, a tire crane or a crawler crane, so that the hoisting body 1 can provide sufficient hoisting capacity as needed, and those skilled in the art can select a suitable hoisting body 1 as needed.

[0031] The fixed module 2 comprises a first support 21 and a second support 22, the first support 21 is distributed along a first direction, and the second support 22 is distributed along a second direction, the first support 21 is provided with a first sliding groove 211 penetrating through the width direction of the first support 21, and the second support 22 is slidably connected with the first support 21 through the first sliding groove 211. Specifically, the first direction and the second direction are parallel to the horizontal plane, in this embodiment, the first direction is perpendicular to the second direction, the first direction is transverse, the second direction is longitudinal, and the third direction is vertical.

[0032] Further comprising an adjusting module 3, the adjusting module 3 is arranged below the geometric center of the fixed module 2 and is used for providing an acting force opposite to the hoisting displacement direction to the fixed module 2. Specifically, the adjusting module 3 is hinged with the first lifting appliance 11, the middle part of the first support 21 and the middle part of the second support 22, so as to ensure that the adjusting module 3 is located directly below the geometric center of the fixed module 2. Specifically, the adjusting module 3 can adopt a damper, a pendulum or the like, and through the reaction force, the swinging of the portal steel frame during hoisting is reduced, so that the portal steel frame remains stable.

[0033] It can be understood that the utility model discloses a first support 21 and second support 22 are connected by sliding, form the frame structure that can deform, thereby adapt to the door type steel frame of different specifications and style after splicing, provide multiple lifting points, so that the operator can adjust the position of lifting point and lifting appliance length according to the need. Meanwhile, through the adjustment module 3, when the door type steel frame is hoisted and moved, the force opposite to the direction of motion is provided, offset the swing due to inertia in the displacement process, effectively reduce the swing of the door type steel frame, improve the safety, at the same time, make the door type steel frame installation hoisting mechanism can smoothly and accurately move the door type steel frame of different specifications, shapes and gravity center to the installation position.

[0034] In an embodiment, the adjustment module 3 includes a third support 31 and a swing piece 32, one end of the third support 31 is hinged with the middle part of the first support 21 or the middle part of the second support 22, the other end of the third support 31 is connected to form a connection center, and the swing piece 32 is arranged below the connection center. In this way, the swing piece 32 can uniformly transmit the reaction force to the whole fixed module 2, so that the door type steel frame can be kept horizontal during hoisting and displacement, ensuring the installation accuracy and improving the work efficiency. Preferably, the swing piece 32 includes a support rod and a pendulum, one end of the support rod is hinged with the center of the third support 31, and the other end of the support rod is hinged with the pendulum. In this way, the pendulum is kept in a downward state, avoiding the breakage of the support rod due to excessive stress at the connection of the support rod, and avoiding safety problems.

[0035] In an embodiment, the third support 31 includes at least two connecting rods 311 and an adjusting spring 312, the ends of adjacent connecting rods 311 are hinged with each other, and the adjusting spring 312 is connected to the two ends of the adjacent connecting rods 311 away from each other. In this way, the third support 31 can be telescopic according to the positions of the first support 21 and the second support 22, dynamically adjust the position of the swing piece 32 during hoisting, enhance the adjustment ability of the swing piece 32, further reduce the swing amplitude of the whole door type steel frame, and make the hoisting process of the door type steel frame more stable.

[0036] In an embodiment, the first support 21 and the second support 22 are provided with at least two, and each second support 22 is connected with at least two first supports 21. In this way, the first support 21 and the second support 22 form a cross-shaped frame, and the whole spliced door type steel frame is hoisted and transported through the multiple lifting points on the cross-shaped frame, further ensuring that the angle of the door type steel frame does not deviate.

[0037] In an embodiment, the second support 22 is provided with a limiting block 221 at both ends in the length direction. In this way, the second support 22 cannot be pulled out of the first support 21, ensuring the safety during hoisting.

[0038] In an embodiment, the fixing module 2 further comprises a locking member 23, the first sliding groove 211 is provided with a through hole 212 at the top, and the locking member 23 extends into the first sliding groove 211 through the through hole 212 and is connected with the second support 22. Specifically, the locking member 23 is a locking bolt. The locking member 23 extends into the first sliding groove 211 through the through hole 212 at the top of the first sliding groove 211, so as to limit the position of the second support 22. In this way, the position of the second support 22 and the first support 21 is ensured not to change during hoisting, and safety problems caused by deformation and loosening of the fixing module 2 are avoided.

[0039] In an embodiment, the second support 22 is provided with a locking groove 222 at the top, and the locking member 23 extends into the locking groove 222. The locking groove 222 is provided to further ensure the fixing effect of the locking member 23 on the second support 22, while reducing the weight of the second support 22 without affecting the structural strength, and improving the overall hoisting capacity.

[0040] In an embodiment, the first support 21 is provided with a second lifting device 213, and / or the second support 22 is provided with a third lifting device 223. Specifically, the second lifting device 213 and the third lifting device 223 can be electric hoists or manual hoists, and those skilled in the art can select appropriate second lifting devices 213 and third lifting devices 223 according to needs, without specific limitation. After the second lifting device 213 or the third lifting device 223 is provided, the operator can directly fix the first support 21 or the second support 22 with different lifting points, and can quickly adjust the distance of the lifting ropes at different positions, so as to quickly level the portal steel frame and keep it horizontal. Specifically, those skilled in the art can set lifting devices at different positions of the first support 21 and the second support 22 according to needs, without specific limitation.

[0041] In an embodiment, the second lifting device 213 is displaced in a first direction on the first support 21; and / or the third lifting device 223 is arranged at least between the first supports 21, and the third lifting device 223 is displaced in a second direction on the second support 22. That is, the second lifting device 213 and the third lifting device 223 can be displaced on the first support 21 or the second support 22, so that the fixing module 2 further obtains the ability to finely adjust the position of the lifting point, and enhances the adaptability of the hoisting mechanism for portal steel frame installation. At the same time, the third lifting device 223 is arranged at least between two first supports 21, which ensures the movement range of the third lifting device 223 while avoiding affecting the sliding of the second support 22 and the first support 21.

[0042] In an embodiment, the lower part of the first sliding groove 211 is provided with a second sliding groove 214, and the second lifting appliance 213 slides along the second sliding groove 214; the second support 22 is provided with a third sliding groove 224 distributed along the second direction, and the third lifting appliance 223 slides along the third sliding groove 224. In this way, the connection stability of the second lifting appliance 213 and the third lifting appliance 223 with the first support 21 and the second support 22 can be ensured, and the occurrence of slipping can be avoided. Meanwhile, when the number of lifting appliances needs to be increased, the operator can quickly adjust, and the operability is strong.

[0043] In an embodiment, the fixing module 2 further comprises a lifting lug 24 arranged at the top of the first support 21 and / or the second support 22. After arranging the lifting lug 24, the operator can quickly combine or disassemble the connection between the fixing module 2 and the first lifting appliance 11, and when facing door steel frames with greatly changed specifications, the corresponding fixing module 2 can be quickly replaced, so that the work efficiency can be ensured.

[0044] Please refer to Figures 1 to 4 The embodiment of the utility model provides a hoisting mechanism for door steel frame installation, which is used for hoisting a door steel frame after ground splicing, and comprises a hoisting body 1 and a fixing module 2, the hoisting body 1 drives the fixing module 2 to lift through a first lifting appliance 11, the fixing module 2 comprises a first support 21 and a second support 22, the first support 21 is distributed along a first direction, the second support 22 is distributed along a second direction, a first sliding groove 211 penetrating the width direction of the first support 21 is arranged in the first support 21, and the second support 22 is slidably connected with the first support 21 through the first sliding groove 211, further comprising an adjusting module 3 arranged below the geometric center of the fixing module 2 and used for providing an acting force opposite to the hoisting displacement direction to the fixing module 2.

[0045] The adjusting module 3 comprises a third support 31 and a swing piece 32, one end of the third support 31 is hinged to the middle part of the first support 21 or the middle part of the second support 22, the other end of the third support 31 is connected with each other to form a connection center, and the swing piece 32 is arranged below the connection center. The third support 31 comprises at least two connecting rods 311 and an adjusting spring 312, the end parts of adjacent connecting rods 311 are hinged with each other, and the adjusting spring 312 is connected with the two ends of the adjacent connecting rods 311 away from each other.

[0046] In the embodiment, two first supports 21 and two second supports 22 are arranged respectively, each second support 22 is connected with two first supports 21 simultaneously, and the first support 21 and the second support 22 form a cross-shaped frame. The two ends of the length direction of the second support 22 are provided with limiting blocks 221.

[0047] In the embodiment, the fixed module 2 further comprises a locking piece 23, the first sliding groove 211 is provided with a through hole 212, the locking piece 23 extends into the first sliding groove 211 through the through hole 212 and is connected with the second support 22, and the second support 22 is provided with a locking groove 222 at the top.

[0048] In the embodiment, the middle part of the first support 21 is provided with a second lifting tool 213, and the second support 22 is provided with a third lifting tool 223. The second lifting tool 213 is displaced on the first support 21 in a first direction; and the third lifting tool 223 is arranged at both ends of the second support 22 and a position between the second support 22 and the first support 21, and the third lifting tool 223 is displaced on the second support 22 in a second direction.

[0049] The working principle of the utility model is as follows: an operator assembles a portal steel frame on the ground, then adjusts the position of the second support 22 and the first support 21 according to the shape of the portal steel frame. After the adjustment is completed, the locking piece 23 is inserted into the through hole 212 and is screwed with the locking groove 222. Then the second lifting tool 213 and the third lifting tool 223 are fixed with the portal steel frame, after the fixing is completed, the portal steel frame is hoisted by the hoisting body 1, at this time, the second lifting tool 213 and the third lifting tool 223 are fine-tuned to keep the portal steel frame horizontal, after the adjustment is completed, the hoisting displacement is carried out. During the displacement, the swinging piece 32 and the third support 31 swing to dynamically adjust the portal steel frame to keep it stable until the portal steel frame is displaced to the installation position.

[0050] Although the terms such as hoisting body, first lifting tool, fixed module, first support, first sliding groove, through hole, second lifting tool, second sliding groove, second support, limiting block, locking groove, third lifting tool, third sliding groove, locking piece, lifting lug, adjustment module, third support, connecting rod, adjustment spring, swinging piece are used more in the text, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

[0051] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A hoisting mechanism for installing a portal steel frame, used for hoisting a portal steel frame assembled on the ground, characterized in that, include: The hoisting body (1) and the fixing module (2) are provided. The hoisting body (1) drives the fixing module (2) to rise and fall through the first lifting tool (11). The fixing module (2) includes a first bracket (21) and a second bracket (22). The first bracket (21) is distributed along a first direction, and the second bracket (22) is distributed along a second direction. The first bracket (21) is provided with a first sliding groove (211) that penetrates the width direction of the first bracket (21). The second bracket (22) is slidably connected to the first bracket (21) through the first sliding groove (211). It also includes an adjustment module (3), which is located below the geometric center of the fixed module (2) and is used to provide a force to the fixed module (2) that is opposite to the direction of the hoisting displacement.

2. The hoisting mechanism for installing a portal steel frame according to claim 1, characterized in that: The adjustment module (3) includes a third bracket (31) and a swing member (32). One end of the third bracket (31) is hinged to the middle of the first bracket (21) or the middle of the second bracket (22). The other ends of the third bracket (31) are connected to each other to form a connection center. The swing member (32) is located below the connection center.

3. The hoisting mechanism for installing a portal steel frame according to claim 2, characterized in that: The third support (31) includes at least two connecting rods (311) and an adjusting spring (312). The ends of adjacent connecting rods (311) are hinged to each other, and the adjusting spring (312) connects the two ends of adjacent connecting rods (311) that are far apart from each other.

4. The hoisting mechanism for installing a portal steel frame according to claim 1, characterized in that: The second bracket (22) has limit blocks (221) at both ends in the length direction.

5. The hoisting mechanism for installing a portal steel frame according to claim 1, characterized in that: The fixing module (2) also includes a locking member (23). The top of the first slide groove (211) is provided with a through hole (212). The locking member (23) extends into the first slide groove (211) through the through hole (212) and is connected to the second bracket (22).

6. The hoisting mechanism for installing a portal steel frame according to claim 5, characterized in that: The second bracket (22) has a locking groove (222) at the top, and the locking member (23) extends into the locking groove (222).

7. The hoisting mechanism for installing a portal steel frame according to claim 1, characterized in that: The first bracket (21) is provided with a second lifting device (213), and / or the second bracket (22) is provided with a third lifting device (223).

8. The hoisting mechanism for installing a portal steel frame according to claim 7, characterized in that: The second lifting device (213) is displaced on the first support (21) in a first direction; and / or, the third lifting device (223) is at least disposed between the first supports (21), and the third lifting device (223) is displaced on the second support (22) in a second direction.

9. The hoisting mechanism for installing a portal steel frame according to claim 7, characterized in that: The first slide (211) has a second slide (214) at its lower part, and the second lifting device (213) slides along the second slide (214); the second bracket (22) has a third slide (224) distributed along the second direction, and the third lifting device (223) slides along the third slide (224).

10. The hoisting mechanism for installing a portal steel frame according to claim 1, characterized in that: The fixing module (2) also includes a lifting lug (24), which is disposed on the top of the first bracket (21) and / or the second bracket (22).

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