Reinforcing steel bar block turning-over lifting appliance

By designing a reinforcement block, the height of the crane rope was adjusted by the lifting mechanism, and the precise positioning difficulties of the steel block of the gastrointestinal reinforcement in the process of hanging and installation were solved, and higher construction accuracy and efficiency were achieved.

CN222389379UActive Publication Date: 2025-01-24CCCC SECOND HARBOR ENGINEERING CO LTD
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Patent Information

Application Number
CN202421232020.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-01-24
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

It is difficult to accurately position the web reinforcement block during lifting and installation, especially the inclination angles of web reinforcement blocks of different specifications.

Method used

Design a steel block turnover hoist, which includes a spreader frame, a support beam, a lifting mechanism and a pole beam. The lifting mechanism is used to adjust the height of the sling to achieve turnover hoisting at different inclination angles.

Benefits of technology

By adjusting the height of the sling rope, the precise positioning of the steel block of the abdominal plate can be achieved, and the accuracy and efficiency of the construction of the steel block body can be improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222389379U_ABST
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Abstract

The utility model provides a reinforcing steel bar block turnover lifting appliance which comprises a lifting appliance frame, two supporting beams are symmetrically arranged on the lifting appliance frame, lifting mechanisms extending to the bottom of the lifting appliance frame are arranged on the two supporting beams, and carrying pole beams are arranged at the bottoms of the two lifting mechanisms. The bottoms of the two carrying pole beams are each provided with a row of lifting ropes used for lifting reinforcing steel bar blocks, the lifting mechanism is composed of a plurality of linearly-arranged threaded lifting mechanisms and a lifting driving mechanism in transmission connection with all the threaded lifting mechanisms, and the carrying pole beams are arranged at the lifting ends of the bottoms of all the threaded lifting mechanisms. The two lifting mechanisms are symmetrically arranged on the lifting appliance frame, so that turnover lifting at different inclination angles can be realized by adjusting the heights of the two sides when a box girder web reinforcing steel bar block body is lifted, and the construction precision and efficiency of the reinforcing steel bar block body are further improved.
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Description

Technical Field

[0001] The utility model relates to the field of steel bar block hoisting, in particular to a steel bar block turning hoisting device. Background Art

[0002] The traditional construction method of prefabricated box girder reinforcement is to manually tie it in the steel frame. However, with the development of bridge construction towards industrialization and intelligence, new processes, methods and equipment for steel construction are increasing. At present, manual tying is mostly used for prefabricated box girder reinforcement construction, but the construction efficiency is low, and the steel construction takes a long time during the critical construction period, which increases the cost of steel construction. In order to improve the efficiency of steel construction and reduce the cost of steel construction, automatic processing production lines for steel blocks have gradually emerged in recent years. The prefabricated box girder reinforcement is divided into different types of steel blocks. After the steel blocks are produced on the production line, they are hoisted into the steel frame for assembly to achieve rapid forming of the steel skeleton. However, for the hoisting of the box girder web steel blocks, since the web steel blocks are in an inclined state, the inclination angles of web steel blocks of different specifications are also different, making it difficult to accurately position the web steel blocks during hoisting and installation. Therefore, a steel block turning hoist is proposed to solve the above problems. Utility Model Content

[0003] The main purpose of the utility model is to provide a steel bar block turning hoist to solve the problem that it is difficult to accurately position the web steel bar block during the hoisting and installation process.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a steel bar block turning hoist, including a hoist frame, two support beams are symmetrically arranged on the hoist frame, and the two support beams are each provided with a lifting mechanism extending to the bottom of the hoist frame, and the bottom of the two lifting mechanisms are each provided with a shoulder pole beam, and the bottom of the two shoulder pole beams are respectively provided with a row of lifting ropes for lifting the steel bar block, wherein the lifting mechanism is composed of a plurality of linearly arranged threaded lifting mechanisms and a lifting drive mechanism transmission-connected to all the threaded lifting mechanisms, and the shoulder pole beam is arranged on the lifting end at the bottom of all the threaded lifting mechanisms.

[0005] In the preferred embodiment, the threaded lifting mechanism includes a rotating bearing penetrating the support beam, an internally threaded shaft rotatably arranged in the rotating bearing, a lifting screw threadedly installed in the internally threaded shaft, and a sprocket group arranged outside the top end of the internally threaded shaft, and the bottom end of the lifting screw is connected to the shoulder pole beam.

[0006] In the preferred embodiment, the lifting drive mechanism includes an L-shaped support frame arranged at the end of the support beam, a driving motor arranged on the L-shaped support frame, and a transmission sprocket arranged on the output shaft of the driving motor. The transmission sprocket and the sprocket group of the adjacent thread lifting mechanism are equipped with a transmission chain, and the sprocket groups of the two adjacent thread lifting mechanisms are also equipped with a transmission chain.

[0007] In the preferred embodiment, the hanger frame includes a base frame and a center frame arranged on the central axis of the base frame, a plurality of diagonal braces are arranged between the two edges of the base frame and the top of the center frame, and a plurality of lifting ears are arranged on the top of the center frame;

[0008] The chassis is a frame structure composed of multiple cross beams and longitudinal beams;

[0009] The central frame is composed of a plurality of vertical rods arranged on the central axis of the base frame, and end beams arranged at the top ends of all the vertical rods, and X-shaped support frames are arranged between the vertical rods.

[0010] In a preferred embodiment, both support beams are movably arranged on the hanger frame, and a displacement mechanism for driving the two support beams to move synchronously is arranged at the bottom of the hanger frame.

[0011] In the preferred embodiment, the displacement mechanism includes two limit sliding assemblies and a screw drive assembly arranged at the bottom of the hanger frame;

[0012] The position-limiting sliding assembly comprises two symmetrically arranged first baffles and a position-limiting sliding rod arranged between the two first baffles;

[0013] The screw driving assembly comprises two symmetrically arranged second baffles, a rotating screw rotatably arranged between the two second baffles, and a rotating motor arranged on one of the second baffles and drivingly connected to the rotating screw.

[0014] In a preferred embodiment, two limiting sleeves and an internal thread sleeve are provided at the bottom of the support beam through a connecting piece, wherein the limiting sleeve is slidably mounted on the outside of the limiting slide rod, and the internal thread sleeve is threadably mounted on the outside of the rotating screw rod.

[0015] In a preferred embodiment, a plurality of rotatable balls are provided at the bottom of the support beam, and a slide groove corresponding to the balls is provided on the hanger frame.

[0016] The utility model provides a steel bar block turning hoist. By symmetrically arranging two lifting mechanisms on the hoist frame, it is possible to realize turning hoisting with different inclination angles by adjusting the heights of both sides when hoisting the box beam web steel bar blocks, thereby improving the construction accuracy and efficiency of the steel bar blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

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

[0019] Figure 2 This is a structural diagram of the connection between the lifting mechanism and the base frame of the utility model;

[0020] Figure 3 This is the structural diagram of the lifting mechanism of the utility model;

[0021] Figure 4 This is a cross-sectional view of the structure of the thread lifting mechanism of the utility model;

[0022] Figure 5 This is a structural diagram of the hanger frame of the utility model;

[0023] Figure 6 It is a schematic diagram of the upper part of the connection structure between the base frame and the displacement mechanism of the utility model;

[0024] Figure 7 This is a schematic diagram of the bottom of the connection structure between the base frame and the displacement mechanism of the utility model;

[0025] Figure 8 It is a schematic diagram of the lower part of the lifting mechanism structure of the utility model;

[0026] Fig. 9 This is the lifting structure diagram of the utility model;

[0027] Fig.10 This is a schematic diagram of the angle adjustment structure of the utility model;

[0028] In the figure: a hanger frame 1; a base frame 11; a crossbeam 110; a longitudinal beam 111; a center frame 12; an end beam 121; a vertical rod 122; an X-shaped support frame 123; a diagonal support rod 13; a lifting lug 14; a support beam 2; a connecting piece 21; a limiting sleeve 22; an internal threaded sleeve 23; a ball 24; a lifting mechanism 3; a threaded lifting mechanism 31; a rotating bearing 310; a lifting screw 312; a sprocket assembly 313; a lifting drive mechanism 32; an L-shaped support frame 320; a driving motor 321; a transmission sprocket 322; a transmission chain 323; a shoulder pole beam 4; a lifting rope 5; a displacement mechanism 6; a screw transmission assembly 61; a second baffle 610; a rotating screw 611; a rotating motor 612; a limiting sliding assembly 62; a first baffle 620; a limiting sliding rod 621. DETAILED DESCRIPTION

[0029] Example 1

[0030] like Figure 1-5As shown in Figures 9 and 10, a steel bar block turning hoist comprises a hoist frame 1, on which two support beams 2 are symmetrically arranged, and on which two support beams 2 are arranged a lifting mechanism 3 extending to the bottom of the hoist frame 1, and on which two lifting mechanisms 3 are arranged a shoulder pole beam 4 at the bottom, and on which two shoulder pole beams 4 are arranged a row of lifting ropes 5 for lifting the steel bar block at the bottom, respectively, and the steel bar block can be lifted horizontally by the two rows of lifting ropes 5, as shown in Figures 1 and 10. Fig. 9 As shown, by adjusting the different heights of the two rows of suspension ropes 5 using the lifting mechanism 3, the steel bar block can be turned over at different inclination angles, such as Fig.10 shown.

[0031] It should be noted that the hanging point of the steel bar block should be at the intersection of the longitudinal reinforcement and the stirrups to avoid deformation of the steel bar block.

[0032] Among them, the lifting mechanism 3 is composed of a plurality of linearly arranged threaded lifting mechanisms 31 and a lifting drive mechanism 32 which is transmission-connected to all the threaded lifting mechanisms 31. The shoulder beam 4 is arranged on the lifting end at the bottom of all the threaded lifting mechanisms 31. In this embodiment, the number of the threaded lifting mechanisms 31 is four, and the lifting drive mechanism 32 is used to synchronously drive the four threaded lifting mechanisms 31 to operate, thereby adjusting the height of the shoulder beam 4 by lifting and lowering the threaded lifting mechanism 31.

[0033] In the preferred embodiment, the threaded lifting mechanism 31 includes a rotating bearing 310 that is arranged through the support beam 2, an internal threaded shaft 311 that is rotatably arranged in the rotating bearing 310, a lifting screw 312 that is threadedly installed in the internal threaded shaft 311, and a sprocket group 313 that is arranged on the outside of the top end of the internal threaded shaft 311. The bottom end of the lifting screw 312 is connected to the shoulder beam 4.

[0034] In the preferred embodiment, the lifting drive mechanism 32 includes an L-shaped support frame 320 arranged at the end of the support beam 2, a drive motor 321 arranged on the L-shaped support frame 320, and a transmission sprocket 322 arranged on the output shaft of the drive motor 321. The transmission sprocket 322 and the sprocket group 313 of the adjacent thread lifting mechanism 31 are equipped with a transmission chain 323, and the sprocket groups 313 of the two adjacent thread lifting mechanisms 31 are also equipped with a transmission chain 323.

[0035] In this embodiment, the lifting drive mechanisms 32 on the two lifting mechanisms 3 are arranged oppositely.

[0036] When in use, the driving force of the driving motor 321 is used to rotate the transmission sprocket 322, and then the transmission sprocket 322 is used to drive the sprocket group 313 and the internal threaded shaft 311 of the adjacent threaded lifting mechanism 31 to rotate. Since the sprocket group 313 of the two adjacent threaded lifting mechanisms 31 is also equipped with a transmission chain 323, the sprocket group 313 and the internal threaded shaft 311 of all the threaded lifting mechanisms 31 can rotate synchronously, thereby driving the lifting screws 312 in all the internal threaded shafts 311 to rise and fall under the restriction of the shoulder beam 4, thereby achieving the effect of adjusting the height of one side.

[0037] In this embodiment, each layer of thread of the lifting screw 312 corresponds to a 0.5° turning of the steel bar block.

[0038] In the preferred embodiment, the hanger frame 1 includes a base frame 11 and a center frame 12 arranged on the central axis of the base frame 11, a plurality of diagonal support rods 13 are arranged between the two edges of the base frame 11 and the top of the center frame 12, a plurality of lifting ears 14 are arranged on the top of the center frame 12, and two support beams 2 are symmetrically arranged on the base frame 11.

[0039] The chassis 11 is a frame structure composed of a plurality of cross beams 110 and longitudinal beams 111 .

[0040] The central frame 12 is composed of a plurality of vertical rods 122 arranged on the central axis of the base frame 11 , and end beams 121 arranged at the top ends of all the vertical rods 122 , and X-shaped support frames 123 are arranged between the vertical rods 122 .

[0041] Example 2

[0042] Further illustrate with reference to Example 1, Figure 3 , 6 -8, the two support beams 2 are movably arranged on the hanger frame 1, and a displacement mechanism 6 for driving the two support beams 2 to move synchronously is arranged at the bottom of the hanger frame 1. By driving the two support beams 2 to move synchronously, the center of gravity of the steel bar block can be adjusted after the steel bar block is turned over to avoid the hanger frame 1 from tilting.

[0043] In the preferred embodiment, the displacement mechanism 6 includes two limit sliding assemblies 62 and a screw transmission assembly 61 arranged at the bottom of the hanger frame 1. In this embodiment, the screw transmission assembly 61 is arranged between the two limit sliding assemblies 62, and the screw transmission assembly 61 and the limit sliding assembly 62 are both arranged at the bottom of the longitudinal beam 111.

[0044] The limiting sliding assembly 62 includes two symmetrically arranged first baffles 620 and a limiting sliding rod 621 arranged between the two first baffles 620 .

[0045] The screw drive assembly 61 includes two symmetrically arranged second baffles 610, a rotating screw 611 rotatably arranged between the two second baffles 610, and a rotating motor 612 arranged on one of the second baffles 610 and connected to the rotating screw 611. The two ends of the rotating screw 611 are rotatably arranged between the two second baffles 610 through bearings. When in use, the power of the rotating motor 612 can drive the rotating screw 611 to rotate between the two second baffles 610.

[0046] In the preferred embodiment, two limit sleeves 22 and an internal thread sleeve 23 are provided at the bottom of the support beam 2 through the connecting member 21. The connecting member 21 is composed of two side plates. The distance between the two side plates is greater than the width of the longitudinal beam 111, which is convenient for connecting the limit sleeve 22 and the internal thread sleeve 23 through the longitudinal beam 111, wherein the limit sleeve 22 is slidably mounted on the outside of the limit slide rod 621, and the internal thread sleeve 23 is threadedly mounted on the outside of the rotating screw 611.

[0047] When in use, the two support beams 2 can be driven to move synchronously thereon through the rotation of the rotating screw 611 and the restriction of the limiting slide bar 621, thereby adjusting the center of gravity of the steel bar block thereunder.

[0048] A plurality of rotatable balls 24 are arranged at the bottom of the support beam 2, and a slide groove 112 corresponding to the balls 24 is arranged on the hanger frame 1. The arrangement of the balls 24 and the slide groove 112 can reduce the friction during sliding.

[0049] It should be noted that the two support beams 2 can be connected by a connecting rod to form a frame structure, thereby improving the integrity during movement.

[0050] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A steel bar block turning hoist, characterized by: The invention comprises a hanger frame (1), wherein two support beams (2) are symmetrically arranged on the hanger frame (1), and a lifting mechanism (3) extending to the bottom of the hanger frame (1) is arranged on the two support beams (2), and a shoulder pole beam (4) is arranged at the bottom of the two lifting mechanisms (3), and a row of lifting ropes (5) for lifting steel bar blocks are respectively arranged at the bottom of the two shoulder pole beams (4), wherein the lifting mechanism (3) is composed of a plurality of linearly arranged threaded lifting mechanisms (31) and a lifting drive mechanism (32) drivingly connected to all the threaded lifting mechanisms (31), and the shoulder pole beam (4) is arranged on the lifting end at the bottom of all the threaded lifting mechanisms (31).

2. According to claim 1, a steel bar block turning hoist, characterized in that: The threaded lifting mechanism (31) comprises a rotary bearing (310) penetrating the support beam (2), an internal threaded shaft (311) rotatably arranged in the rotary bearing (310), a lifting screw (312) threadably mounted in the internal threaded shaft (311), and a sprocket wheel group (313) arranged outside the top end of the internal threaded shaft (311), and the bottom end of the lifting screw (312) is connected to the shoulder beam (4).

3. According to claim 2, a steel bar block turning hoist, characterized in that: The lifting drive mechanism (32) comprises an L-shaped support frame (320) arranged at the end of the support beam (2), a driving motor (321) arranged on the L-shaped support frame (320), and a transmission sprocket (322) arranged on the output shaft of the driving motor (321); a transmission chain (323) is mounted on the transmission sprocket (322) and the sprocket group (313) of the adjacent thread lifting mechanism (31); and a transmission chain (323) is also mounted on the sprocket groups (313) of two adjacent thread lifting mechanisms (31).

4. According to claim 1, a steel bar block turning hoist, characterized in that: The hanger frame (1) comprises a base frame (11) and a center frame (12) arranged on the center axis of the base frame (11), a plurality of diagonal braces (13) are arranged between two edges of the base frame (11) and the top of the center frame (12), and a plurality of lifting ears (14) are arranged on the top of the center frame (12); The base frame (11) is a frame structure composed of a plurality of cross beams (110) and longitudinal beams (111); The central frame (12) is composed of a plurality of vertical rods (122) arranged on the central axis of the base frame (11), and end beams (121) arranged at the top ends of all the vertical rods (122), and an X-shaped support frame (123) is arranged between the vertical rods (122).

5. The steel bar block turning hoist according to claim 1 is characterized in that: The two support beams (2) are both movably arranged on the hanger frame (1), and a displacement mechanism (6) for driving the two support beams (2) to move synchronously is arranged at the bottom of the hanger frame (1).

6. The steel bar block turning hoist according to claim 5, characterized in that: The displacement mechanism (6) comprises two limit sliding assemblies (62) and a screw drive assembly (61) arranged at the bottom of the hanger frame (1); The position-limiting sliding assembly (62) comprises two symmetrically arranged first baffles (620), and a position-limiting sliding rod (621) arranged between the two first baffles (620); The screw drive assembly (61) comprises two symmetrically arranged second baffles (610), a rotating screw (611) rotatably arranged between the two second baffles (610), and a rotating motor (612) arranged on one of the second baffles (610) and drivingly connected to the rotating screw (611).

7. The steel bar block turning hoist according to claim 6 is characterized in that: The bottom of the support beam (2) is provided with two limiting sleeves (22) and an internal thread sleeve (23) via a connecting piece (21), wherein the limiting sleeve (22) is slidably mounted on the outside of the limiting sliding rod (621), and the internal thread sleeve (23) is threadably mounted on the outside of the rotating screw rod (611).

8. A steel bar block turning hoist according to any one of claims 5 to 7, characterized in that: A plurality of rotatable balls (24) are arranged at the bottom of the support beam (2), and a slide groove (112) corresponding to the balls (24) is arranged on the hanger frame (1).