Vertical main reinforcement bulk installation hoist

Abstract

The utility model provides a vertical main reinforcement batch installation lifting appliance. The vertical main reinforcement batch installation lifting appliance includes upper cross beam and lower cross beam who sets up interval from top to bottom and still includes telescopic beam, telescopic beam is connected in the both ends of upper cross beam and lower cross beam vertically, be equipped with a plurality of first limit slot on the upper cross beam, be equipped with a plurality of limit hole on the lower cross beam, a plurality of first limit slot and a plurality of limit hole are set up one to one, the limit hole is vertical and penetrates the lateral wall of lower cross beam, still be equipped with the horizontal through slot on the lower cross beam, every insertable carding piece of detachable insertion in the slot. The utility model designs telescopic beam and connects the both ends of upper cross beam and lower cross beam, can realize the adjustable spacing between upper cross beam and lower cross beam, can apply to the use of a variety of length size vertical main reinforcement, and the versatility is higher.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a lifting device for batch installation of vertical main reinforcement bars. Background Technology

[0002] In building construction, highway construction, and other reinforced concrete structural engineering projects, there is a significant demand for the installation of main structural reinforcement bars. The hoisting and installation of vertical main reinforcement bars typically employs lifting equipment, work platforms, and manual labor. This method suffers from drawbacks such as limited space, limited manpower, safety risks during installation, low installation accuracy, and low efficiency. If an integral installation method is used, it faces disadvantages such as high requirements for hoisting equipment, poor stability, and limited applicability.

[0003] For example, in the design of reinforced concrete structures, the vertical main reinforcement bars are ≥22mm in diameter and ≥4.5m in length, with a large single weight. A certain number of semi-finished bars are transported to the work platform using a crane or tower crane. Then, the bars are manually erected one by one, and finally connected using mechanical coupling sleeves. After applying torque, the installation is completed safely. The disadvantages are: high-altitude work, difficulty in manually erecting and connecting the steel bars, especially when installing 9m or 12m long bars, high safety risks, low efficiency, high labor intensity, and low installation precision due to the lack of positioning for each bar.

[0004] The overall installation method is as follows: prefabricate and tie the steel reinforcement cage sections into semi-finished products, and then use cranes or tower cranes for safe transportation. However, the disadvantages are: the semi-finished steel reinforcement cage sections are heavy, belonging to the category of large component hoisting, which requires high-end hoisting equipment. Most cranes or tower cranes cannot lift them, resulting in poor stability and high risks for workers during installation. Furthermore, the reusability of the semi-finished components limits their applicability.

[0005] Existing vertical main reinforcement hoisting equipment, such as the hoisting tool disclosed in patent publication number CN208455489U for segmented installation of vertical main reinforcement, includes two reinforcement suspension frames. Each frame includes a horizontal beam and vertical web members. The horizontal beam consists of an upper beam and a lower beam, both equipped with anchor holes. In use, the reinforcement bars are evenly placed in the anchor holes, and the hoisting tool is used to lift the reinforcement suspension frame and move it to the binding construction site for binding and connection. However, its vertical web members are non-extensible, making it unsuitable for use with vertical main reinforcement bars of different lengths. Utility Model Content

[0006] The purpose of this utility model is to provide a lifting tool for batch installation of vertical main reinforcement bars, which can be used for vertical main reinforcement bars of different lengths.

[0007] The technical solution of this utility model is: a vertical main rib batch installation hoist, including an upper crossbeam and a lower crossbeam arranged at intervals, and also including a telescopic beam. The telescopic beam is vertically connected to both ends of the upper crossbeam and the lower crossbeam. The upper crossbeam is provided with a plurality of first limiting grooves, and the lower crossbeam is provided with a plurality of limiting holes. The plurality of first limiting grooves and the plurality of limiting holes are arranged one-to-one. The limiting holes vertically penetrate the side wall of the lower crossbeam. The lower crossbeam is also provided with a horizontally penetrating slot, and a locking piece can be detachably inserted into each slot.

[0008] In the above scheme, the design of the telescopic beam connects the two ends of the upper and lower crossbeams, which enables the adjustment of the spacing between the upper and lower crossbeams and is applicable to the use of vertical main reinforcement bars of various lengths, thus having higher versatility.

[0009] Preferably, the vertical main reinforcement batch installation hoist also includes a snap-on plate, one end of which is provided with a hinge, the hinge being connected to one end of the upper crossbeam, the other end of which is provided with a snap-on post, and the other end of the snap-on plate is provided with a snap-on groove adapted to the snap-on post.

[0010] Preferably, the locking post is provided with a wing nut that can limit the position of the locking plate.

[0011] Preferably, the buckle plate is provided with a plurality of second limiting grooves corresponding to the positions of the first limiting groove.

[0012] Preferably, the telescopic beam includes a base beam and an adjusting beam. The adjusting beam has multiple first holes, and the base beam has multiple second holes. The first holes and a certain second hole are connected by fasteners. The upper crossbeam is connected to the adjusting beam, and the lower crossbeam is connected to the base beam.

[0013] Preferably, the adjusting beam is provided with a plurality of stiffening plates, and each stiffening plate has a first hole.

[0014] Preferably, the upper end of the adjusting beam is provided with a first flange plate, and the upper crossbeam is installed on the first flange plate; the lower end of the foundation beam is provided with a second flange plate, and the lower crossbeam is installed on the second flange plate.

[0015] Preferably, the top of the telescopic beam is provided with a lifting lug.

[0016] Preferably, the end of the locking piece is provided with a pull ring, and after the locking piece is inserted into the slot, the pull ring is placed outside the lower crossbeam.

[0017] Preferably, the first limiting groove is a square groove, and the limiting hole is a square hole.

[0018] Compared with related technologies, the beneficial effects of this utility model are as follows: I. This utility model is designed with a telescopic beam connecting the two ends of the upper and lower crossbeams, which enables the adjustable spacing between the upper and lower crossbeams. It is applicable to the use of vertical main reinforcement bars of various lengths and sizes, and has higher versatility. It can be used for the installation of vertical main reinforcement bars in all current concrete load-bearing structure projects. 2. The upper crossbeam and buckle plate of this utility model are adapted to limit the upper part of the vertical main reinforcement. The buckle plate is opened and closed by hinge, so that the lifting tool can be placed in a horizontal state and inserted into the horizontally placed vertical main reinforcement, making the installation more convenient. After the vertical main reinforcement is inserted, the buckle plate is closed to achieve better positioning and achieve stable lifting and installation. Third, the multiple limiting grooves and limiting holes provided in this utility model enable the insertion of multiple vertical main bars at one time, realizing the batch installation of vertical main bars and improving construction efficiency. Fourth, the telescopic beam achieves expansion and contraction through a multi-hole foundation beam and an adjustment beam, making adjustment simpler and more convenient; furthermore, the first hole of the adjustment beam is equipped with a stiffening plate, which further improves the stability and reliability of the structure. Fifth, using the lifting device of this utility model can reduce the number of on-site workers, reduce the intensity of work, and increase the safety factor. Attached Figure Description

[0019] Figure 1 A schematic diagram of the structure of the vertical main reinforcement batch installation lifting tool provided by this utility model; Figure 2 This is a schematic diagram of the front view of the adjustment beam. Figure 3 This is a side view of the adjustment beam structure. Figure 4 This is a front view structural diagram of the foundation beam; Figure 5 This is a side view structural diagram of the foundation beam; Figure 6 This is a top view of the upper crossbeam structure. Figure 7 This is a front view structural diagram of the snap-on plate; Figure 8 This is a top view of the buckle plate. Figure 9 This is a top view of the lower crossbeam structure. Figure 10 This is a front view structural diagram of the lower crossbeam.

[0020] In the attached diagram: 1. Telescopic beam; 11. Adjustable beam; 111. First flange plate; 112. Lifting lug; 113. First hole; 114. Rib plate; 12. Foundation beam; 121. Second flange plate; 122. Second hole; 3. Upper crossbeam; 31. First limiting groove; 32. Locking post; 33. First mounting plate; 4. Snap plate; 41. Hinge; 42. Locking groove; 43. Second limiting groove; 5. Lower crossbeam; 51. Limiting hole; 52. Slot; 53. Second mounting plate; 6. Locking piece; 7. Wing nut. Detailed Implementation

[0021] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0022] like Figure 1 As shown, the vertical main reinforcement batch installation hoist provided in this embodiment includes an upper horizontal beam 3, a lower horizontal beam 5 arranged at intervals, and a telescopic beam 1 vertically connected to both ends of the upper horizontal beam 3 and the lower horizontal beam 5.

[0023] The telescopic beam 1 includes a base beam 12 and an adjusting beam 11. For example... Figure 2 , Figure 3 As shown, the adjusting beam 11 is made of No. 10 channel steel, with a length of 3500mm. It has multiple stiffening plates 114, each with a first hole 113. The spacing between the multiple first holes 113 is 500mm. A first flange plate 111 with a thickness of 8mm is welded to the upper end of the adjusting beam 11, and four through holes are formed on the first flange plate 111. The surfaces of the first flange plates 111 on the telescopic beams 1 at both ends are positioned close to each other. A 20mm thick lifting lug 112 is welded to the top of the adjusting beam 11, and the lifting lug 112 has a lifting hole (unnumbered) for attaching a wire rope hook.

[0024] like Figure 4 , Figure 5 As shown, the foundation beam 12 is made of No. 14 channel steel and has a length of 2500mm. An 8mm thick second flange plate 121 is welded to the lower end of the foundation beam 12. The surfaces of the second flange plates 121 on both ends of the foundation beam 12 are positioned close to each other. Multiple second holes 122 are formed on the foundation beam 12, and the spacing between the multiple second holes 122 is equal to the spacing between the multiple first holes 113.

[0025] like Figures 1-5As shown, the adjusting beam 11 is inserted into the foundation beam 12, and the first hole 113 is connected to the second hole 122 therein by fasteners, so as to adjust the position of the adjusting beam 11 to a suitable position to meet the use of vertical main reinforcement of various lengths.

[0026] like Figure 3 , Figure 6 As shown, the upper crossbeam 3 is made of No. 10 channel steel, and its two ends are provided with first mounting plates 33. The first mounting plates 33 are connected to the first flange plate 111 by bolts. The upper crossbeam 3 has multiple first limiting grooves 31, which are square grooves with a depth ≥ 40mm. One end of the upper crossbeam 3 is connected to a locking post 32, and the locking post 32 has a threaded hole.

[0027] like Figure 1 , Figure 7 , Figure 8 As shown, the buckle plate 4 is made of No. 8 channel steel, with a hinge 41 at one end and a locking groove 42 at the other end. Multiple second limiting grooves 43 are provided on the buckle plate 4. These second limiting grooves 43 correspond in position to the multiple first limiting grooves 31 and have the same shape. The hinge 41 is connected to the end of the upper crossbeam 3 away from the locking post 32, allowing the buckle plate 4 to rotate relative to the upper crossbeam 3. When the rotation closes the cover, the locking groove 42 inserts into the locking post 32, and a wing nut 7 is installed in the threaded hole of the locking post 32 to limit the position of the buckle plate 4. At this time, the second limiting grooves 43 and the first limiting grooves 31 align one-to-one to form a closed square hole.

[0028] like Figure 1 , Figure 9 , Figure 10 As shown, the lower crossbeam 5 is a square tube, which can be made by connecting two No. 10 channel steels. Two 8mm thick second mounting plates 53 are welded to both ends of the lower crossbeam 5, and the second mounting plates 53 are bolted to the second flange plate 121. The lower crossbeam 5 has multiple limiting holes 51, and multiple first limiting grooves 31 are correspondingly arranged with the multiple limiting holes 51. The limiting holes 51 vertically penetrate the side wall of the lower crossbeam 5. The lower crossbeam 5 also has horizontally penetrating slots 52, each slot 52 containing a detachable locking piece 6. The limiting holes 51 are square holes with a side length of 50mm. The slots 52 are 100mm long and 6mm wide.

[0029] The locking piece 6 is a 5mm thick steel plate, 90mm wide and 105mm long, with a pull ring vertically welded to its end. The pull ring has an inner diameter of 40mm and is made of φ6mm steel bar bent into shape. When the locking piece 6 is inserted into the slot 52, the pull ring is positioned outside the lower crossbeam 5.

[0030] In use, first place the installation hoist flat on the ground with the buckle plate 4 facing upwards; then adjust the length of the telescopic beam 1 according to the length of the vertical main reinforcement, ensuring that the length of the telescopic beam 1 is ≥ 2 / 3 of the length of the vertical main reinforcement. Loosen the wing nut 7, open the buckle plate 4, and ensure that the locking piece 6 is inserted into the slot 52. Insert the vertical main reinforcements horizontally one by one from the first limiting groove 31 into the limiting hole 51 until all the first limiting grooves 31 are filled with vertical main reinforcements. Close the buckle plate 4 and lock the wing nut 7. Secure the wire rope with a shackle and install it in the lifting hole of the lifting lug 112. Use lifting equipment to lift the installation hoist from horizontal to vertical, and use pipe wrenches to assist in clamping the vertical main reinforcements. The bottom of the vertical main reinforcement in the vertical position contacts the locking piece 6 to achieve limiting. Move the installation hoist and vertical main reinforcement bars to the required installation position, then pull out the first locking piece 6, loosen the first pipe wrench, and the first vertical main reinforcement bar will fall. Remove the threaded protective sleeve on the vertical main reinforcement bar, align the vertical main reinforcement bar with the corresponding main reinforcement bar connecting sleeve, and then tighten the vertical main reinforcement bar to the designed torque. Install the remaining vertical main reinforcement bars according to the above steps until all vertical main reinforcement bars on the installation hoist are installed.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A lifting device for batch installation of vertical main reinforcement bars, comprising an upper horizontal beam (3) and a lower horizontal beam (5) spaced apart vertically, characterized in that, It also includes a telescopic beam (1), which is vertically connected to both ends of the upper crossbeam (3) and the lower crossbeam (5). The upper crossbeam (3) is provided with a plurality of first limiting grooves (31), and the lower crossbeam (5) is provided with a plurality of limiting holes (51). The plurality of first limiting grooves (31) and the plurality of limiting holes (51) are provided in a one-to-one correspondence. The limiting holes (51) vertically penetrate the side wall of the lower crossbeam (5). The lower crossbeam (5) is also provided with a horizontally penetrating slot (52). Each slot (52) is detachably fitted with a locking piece (6).

2. The vertical main reinforcement batch installation lifting tool according to claim 1, characterized in that, It also includes a buckle plate (4), one end of which is provided with a hinge (41), the hinge (41) is connected to one end of the upper crossbeam (3), the other end of the upper crossbeam (3) is provided with a buckle post (32), and the other end of the buckle plate (4) is provided with a buckle groove (42) adapted to the buckle post (32).

3. The vertical main reinforcement batch installation lifting tool according to claim 2, characterized in that, The locking post (32) is provided with a wing nut (7) that can limit the position of the locking plate (4).

4. The vertical main reinforcement batch installation lifting tool according to claim 2, characterized in that, The buckle plate (4) is provided with a plurality of second limiting grooves (43) corresponding to the position of the first limiting groove (31).

5. The vertical main reinforcement batch installation lifting tool according to claim 1, characterized in that, The telescopic beam (1) includes a base beam (12) and an adjusting beam (11). The adjusting beam (11) has multiple first holes (113), and the base beam (12) has multiple second holes (122). The first holes (113) and a certain second hole (122) are connected by fasteners. The upper crossbeam (3) is connected to the adjusting beam (11), and the lower crossbeam (5) is connected to the base beam (12).

6. The vertical main reinforcement batch installation lifting tool according to claim 5, characterized in that, The adjusting beam (11) is provided with a plurality of stiffening plates (114), and each stiffening plate (114) has a first hole (113).

7. The vertical main reinforcement batch installation lifting tool according to claim 5, characterized in that, The upper end of the adjusting beam (11) is provided with a first flange plate (111), and the upper crossbeam (3) is installed on the first flange plate (111); the lower end of the foundation beam (12) is provided with a second flange plate (121), and the lower crossbeam (5) is installed on the second flange plate (121).

8. The vertical main reinforcement bulk installation lifting tool according to any one of claims 1-7, characterized in that, The top of the telescopic beam (1) is provided with a lifting lug (112).

9. The lifting device for batch installation of vertical main reinforcement bars according to any one of claims 1-7, characterized in that, The end of the card slot (6) is provided with a pull ring. After the card slot (6) is inserted into the slot (52), the pull ring is placed outside the lower crossbeam (5).

10. The lifting device for batch installation of vertical main reinforcement bars according to any one of claims 1-7, characterized in that, The first limiting groove (31) is a square groove, and the limiting hole (51) is a square hole.

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