Reinforcement cage lifting device for pile foundation construction
By designing a multi-point uniform lifting device for steel cages, the problem that traditional lifting devices cannot adapt to steel cages of different lengths is solved, achieving uniform stress distribution and avoiding deformation during steel cage lifting, thus improving adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN ROAD & BRIDGE CONSTR GROUP
- Filing Date
- 2025-05-29
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional rebar cage hoisting devices have fixed hoisting point positions, which cannot adapt to the hoisting needs of rebar cages of different lengths. This leads to uneven loading and deformation during hoisting. Furthermore, the main and auxiliary lifting tools of multi-point hoisting devices have poor coordination accuracy and cannot be adjusted for adaptability.
Design a steel cage lifting device including a lifting beam, a main lifting tool assembly, and an auxiliary lifting tool assembly. The lifting beam is provided with multiple lifting holes and locking holes. The main lifting tool assembly achieves uniform lifting of multiple lifting points through a sliding adjustment plate and a positioning locking plate. The auxiliary lifting tool assembly increases the contact area through the main lifting plate and the auxiliary lifting plate to achieve uniform force distribution at multiple lifting points.
It achieves uniform lifting of steel cages, avoids deformation, improves the adaptability of the device, and can meet the lifting needs of steel cages of different sizes.
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Figure CN224105375U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the steel reinforcement cage hoisting technical field, concretely relates to a steel reinforcement cage hoisting device for pile foundation construction. BACKGROUND
[0002] Traditional steel reinforcement cage hoisting adopts single-point hoisting or simple double-hook lifting appliance, and has the following defects:
[0003] 1. The lifting point position is fixed, and cannot adapt to the hoisting requirements of steel reinforcement cages of different lengths
[0004] 2. During hoisting, the single lifting point position causes eccentric loading during hoisting, leading to serious deformation due to unevenness at the top of the steel reinforcement cage;
[0005] 3. The existing technology has multi-point hoisting of steel reinforcement cages, but the main and auxiliary lifting appliances of the multi-point hoisting points have poor matching precision and cannot be adjusted in adaptability. INVENTION CONTENTS
[0006] In order to solve the above problems existing in the prior art, the utility model aims at providing a steel reinforcement cage hoisting device for pile foundation construction.
[0007] The utility model adopts the technical scheme that comprises:
[0008] The lifting beam is formed with a lifting hole at the top for connecting the hook of a crane;
[0009] The main lifting appliance assembly comprises a sliding adjustment plate slidably connected in the length direction of the lifting beam, the sliding adjustment plate is symmetrically provided with a sling slot, and the first sling is connected in the sling slot; the top of the sliding adjustment plate is fixedly provided with a positioning locking plate for locking after adjustment of the sliding adjustment plate and the lifting beam;
[0010] The auxiliary lifting appliance assembly is connected at the bottom of the lifting beam and comprises a main lifting plate and an auxiliary lifting plate, and the main lifting plate and the auxiliary lifting plate are connected with the second sling.
[0011] As a preferred embodiment of the utility model, the locking hole is provided on the upper end surface of the lifting beam, the top of the positioning locking plate is provided with a matching hole matched with the locking hole, and the locking hole and the matching hole are synchronously matched with the locking bolt.
[0012] As a preferred embodiment of the utility model, the locking hole is provided with multiple groups, and the multiple groups of locking holes are distributed along the length direction of the lifting beam to form multiple groups of adjustment positions for the sliding adjustment plate.
[0013] As a preferred embodiment of this utility model, the main hanging plate is provided at both ends of the bottom of the lifting beam, and multiple lifting ring connection holes are equally spaced on it. The lifting ring connection holes are provided at both ends of the auxiliary hanging plate, and U-shaped lifting rings are connected in the lifting ring connection holes.
[0014] As a preferred embodiment of this utility model, the bottom of the sliding adjustment plate is provided with a clearance groove for the installation of the U-shaped lifting ring.
[0015] As a preferred embodiment of this utility model, the main lifting tool assembly is provided in multiple sets along the length of the lifting beam, and is used to connect multiple lifting points on the top of the steel cage.
[0016] As a preferred embodiment of this utility model, the lifting beam is an I-beam, and the lifting hole is located at the center of the lifting beam.
[0017] The beneficial effects of this utility model are as follows:
[0018] This utility model is a steel cage lifting device for pile foundation construction. It forms multiple steel cage lifting points on the lifting beam, with each lifting point corresponding to the inner and outer rings of the top of the steel cage. This results in a multi-point uniform lifting of the steel cage, improving the uniformity of the lifting force and preventing deformation during the lifting process. The main lifting assembly is equipped with an adjustable plate that can slide along the I-beam, enabling stepless adjustment of the lifting point spacing. This allows the lifting device to adapt to the lifting needs of steel cages of different sizes, effectively improving its adaptability. Attached Figure Description
[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the main structure of this utility model;
[0022] Figure 3 This is a side view of the structure of this utility model;
[0023] Figure 4 This is a structural schematic diagram of the main lifting device assembly of this utility model;
[0024] Figure 5 This is a utility model Figure 2 A magnified structural diagram at point A in the diagram.
[0025] In the figure: 1, lifting beam; 2, main hoist assembly; 3, auxiliary hoist assembly; 11, lifting hole; 21, sliding adjusting plate; 22, positioning locking plate; 23, locking hole; 24, avoiding groove; 31, main hanging plate; 32, auxiliary hanging plate; 33, auxiliary hoist cable mounting hole; 211, hoist cable slot; 212, first hoist cable; 213, limiting bolt; 331, U-shaped lifting ring; 332, second hoist cable. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described examples are only a part of the examples of the utility model, but not all the examples. The components of the utility model examples described and shown in the drawings herein can be arranged and designed in various different configurations.
[0027] Therefore, the following detailed description of the examples of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected examples of the utility model. Based on the examples of the utility model, all other examples obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0028] The specific implementation of the utility model will be described below in combination with Figures 1-5 A reinforcing cage lifting device for pile foundation construction, comprising:
[0029] The lifting beam 1 is formed with a lifting hole 11 at the top for connecting the hook of a crane, and the large hook of the crane is connected with the lifting hole 11.
[0030] The main hoist assembly 2 is connected with the outer ring of the top of the rectangular or circular reinforcing cage to realize multi-point connection lifting of the reinforcing cage, increase the contact surface of the lifting reinforcing cage, and avoid deformation of the reinforcing cage caused by lifting. The main hoist assembly 2 comprises a sliding adjusting plate 21 slidably connected in the length direction of the lifting beam 1, the sliding adjusting plate 21 is symmetrically provided with a hoist cable slot 211, and the hoist cable slot 211 is connected with a first hoist cable 212. The sliding adjusting plate 21 is slidably connected and adjusted in the length direction of the lifting beam 1 to realize adjustable position of the lifting beam 1 on the lifting beam 1. The top of the sliding adjusting plate 21 is fixedly provided with a positioning locking plate 22 for locking after adjustment of the sliding adjusting plate 21 and the lifting beam 1. The positioning locking plate 22 is fixedly connected with the top of the sliding adjusting plate 21, and is used for locking and positioning after position adjustment of the sliding adjusting plate 21 on the lifting beam 1.
[0031] The auxiliary hoist assembly 3 is used for connecting and hoisting the middle part of the top of the rectangular or circular reinforcement cage, and improves the contact area of the middle part connection hoisting. The auxiliary hoist assembly 3 is connected to the bottom of the hoisting beam 1, and comprises a main hoist hanging plate 31 and an auxiliary hoist hanging plate 32. The main hoist hanging plate 31 and the auxiliary hoist hanging plate 32 are provided with a second hoist cable 332. The main hoist hanging plate 31 and the auxiliary hoist hanging plate 32 are respectively located at the bottom of the hoisting beam 1 and are connected by the second hoist cable 332 to realize the connection and hoisting of the middle part of the top of the reinforcement cage.
[0032] As shown in Figure 1 , Figure 2 and Figure 5 , the hoisting beam 1 is provided with a locking hole 23 at the upper end surface, the top of the positioning locking plate 22 is provided with a matching hole matched with the locking hole 23, and the locking hole 23 and the matching hole are synchronously matched with a locking bolt. After the sliding adjustment plate 21 is locked in the sliding position adjustment state, the hoisting beam 1 is provided with the locking hole 23, and the top of the positioning locking plate 22 is provided with the matching hole matched with the locking hole 23. The locking bolt is synchronously arranged in the matching hole and the locking hole 23 to realize the locking of the sliding adjustment plate 21 in the adjusted position on the hoisting beam 1.
[0033] As shown in Figure 1 , the locking hole 23 is provided with a plurality of groups, and the plurality of groups of locking holes 23 are distributed along the length direction of the hoisting beam 1 to form a plurality of groups of adjustment positions for the sliding adjustment plate 21. A plurality of groups of locking holes 23 are formed on the hoisting beam 1 to form a plurality of adjustment positions of the sliding adjustment plate 21. The position of the main hoist assembly 2 on the hoisting beam 1 can be adjusted to adapt the hoisting device to different sizes of reinforcement cages required for hoisting, and to realize the connection of multiple hoisting points of the top of the reinforcement cage, thereby avoiding the deformation caused by the unique hoisting point during hoisting.
[0034] As shown in Figure 2 , the bottom of the hoisting beam 1 is provided with the main hoist hanging plate 31 at both ends, and a plurality of lifting ring connection holes are equidistantly arranged on the main hoist hanging plate 31. The two ends of the auxiliary hoist hanging plate 32 are provided with the lifting ring connection holes, and the lifting ring connection holes are connected with U-shaped lifting rings. In order to meet the requirements of multiple hoisting points of the reinforcement cage, the main hoist hanging plate 31 is connected at both ends of the hoisting beam 1, and the auxiliary hoist hanging plate 32 is connected at the middle part of the hoisting beam 1 to form multiple hoisting points for the reinforcement cage. The main hoist hanging plate 31 and the auxiliary hoist hanging plate 32 are arranged discontinuously to reduce the overall weight of the hoisting member.
[0035] As shown in Figures 4-5 , the bottom of the sliding adjustment plate 21 is provided with an avoidance groove 24 for mounting the U-shaped lifting ring, which can avoid the blocking of the main hoist hanging plate 31 of the main hoist assembly 2 by the sliding adjustment plate 21.
[0036] Please refer to Figure 2 As shown in the figure, the main hoist assembly 2 is provided with multiple groups along the length direction of the hoisting beam 1, and is connected with multiple hoisting points at the top of the reinforcement cage, and each group corresponds to one hoisting point of the reinforcement cage, and by increasing the number of the hoisting beam 1, the uniform stress at the top of the reinforcement cage during hoisting can be improved, and serious deformation caused by uneven stress can be avoided.
[0037] Please refer to Figure 1 As shown in the figure, the hoisting beam 1 is an I-beam, and the lifting hole 11 is located at the center of the hoisting beam 1, and the overall structure of the I-beam has high strength.
[0038] The working principle of the utility model:
[0039] The large hook of the crane is connected with the lifting hole 11, and the connection between the hoisting device and the crane is realized;
[0040] According to the size of the reinforcement cage and the number of the hoisting points, the positions and the number of the hoisting beam 1 and the main hoist assembly 2 are adjusted, in the main hoist assembly 2, the limiting bolt at the top of the positioning locking plate 22 can be disassembled, the mutual limiting between the sliding adjustment plate 21 and the hoisting beam 1 can be contacted, at this time, the positioning locking plate 22 can be slid on the hoisting beam 1 to adjust the position of the sliding adjustment plate 21, and after being adjusted to the appropriate position, the mutual locking after the sliding adjustment is realized by installing the locking bolt 213 into the locking hole 23; in the main hoist assembly 2, by connecting the second hoisting rope 332 to the adaptive U-shaped lifting ring, the position and the number of the hoisting points of the reinforcement cage can be adjusted by the second hoisting rope 332;
[0041] By connecting the first hoisting rope 212 on the multiple sliding adjustment plates 21 with the second hoisting rope 332 connected to the U-shaped lifting ring with the hoisting points at the top of the reinforcement cage, multiple hoisting support points of the reinforcement cage are formed, so that the reinforcement cage is uniformly stressed during hoisting, and serious deformation is avoided, and at the same time, the positions and the number of the main hoist assembly 2 and the auxiliary hoist assembly 3 are conveniently adjusted, so that the hoisting device is adapted to reinforcement cages of different sizes.
[0042] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0043] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, which shall belong to the protection scope of the utility model.
Claims
1. A steel cage lifting device for pile foundation construction, characterized in that, The utility model relates to a lifting beam and main and auxiliary sling assembly, which can be used for lifting and transporting steel reinforcement cage. The lifting beam (1) is provided with a lifting hole (11) at the top for connecting the hook of a crane. The main sling assembly (2) comprises a sliding adjusting plate (21) slidably connected to the length direction of the lifting beam (1), and the sliding adjusting plate (21) is symmetrically provided with sling slots (211) on the top. The auxiliary sling assembly (3) is connected to the bottom of the lifting beam (1) and comprises a main sling plate (31) and an auxiliary sling plate (32).
2. The reinforcing cage lifting device for pile construction according to claim 1, characterized in that: The lifting beam (1) is provided with locking holes (23) on the upper end surface.
3. A reinforcing cage lifting device for pile construction according to claim 2, characterised in that: The locking holes (23) are provided with a plurality of groups, and the groups of locking holes (23) are distributed along the length direction of the lifting beam (1) to form a plurality of groups of adjusting positions for the sliding adjusting plate (21).
4. The reinforcing cage lifting device for pile construction according to claim 1, characterized in that: The lifting beam (1) is provided with the main sling plate (31) at both ends of the bottom, and a plurality of eye ring connecting holes are equidistantly provided on the main sling plate (31).
5. A reinforcing cage lifting device for pile construction according to claim 4, characterised in that: The auxiliary sling plate (32) is provided with the eye ring connecting holes at both ends, and a U-shaped eye ring is connected to the eye ring connecting holes.
6. The reinforcing cage lifting device for pile construction according to claim 1, characterized in that: The sliding adjusting plate (21) is provided with an avoiding groove (24) at the bottom for mounting the U-shaped eye ring.
7. A reinforcing cage lifting device for pile construction according to claim 6, characterised in that: The main sling assembly (2) is provided with a plurality of groups along the length direction of the lifting beam (1) and is used for connecting a plurality of lifting points at the top of the steel reinforcement cage. The lifting beam (1) is an I-beam, and the lifting hole (11) is located at the center of the lifting beam (1).