Folding steel structure hoisting anti-rotation safety fixing hoisting support

Abstract

The present application relates to hoisting equipment technical field, disclose a folding steel structure hoisting is used to prevent rotation safety fixed hoisting support, including first hoisting mechanism for hoisting workpiece, folding steel structure hoisting is used to prevent rotation safety fixed hoisting support first hoisting mechanism side is provided with second hoisting mechanism for the workpiece suspension, folding steel structure hoisting is used to prevent rotation safety fixed hoisting support second hoisting mechanism upper end is provided with the anti-rotation mechanism for preventing workpiece rotation when second hoisting mechanism suspends workpiece, anti-rotation mechanism is driven under the longitudinal movable rod linkage friction structure, the rotation of hoisting rod is restricted by connecting rod, jacking spring and multiple rubber friction disc, the rotation of motor drive shaft in second hoisting mechanism and drive the iron chain retraction, combined with the safety of protection cover guarantee system, brake mechanism is released under abnormal conditions through the energy storage of volute spring rotation, the engagement of the teeth between the disc and the positioning steel ring, realize the forced mechanical braking of the central shaft.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hoisting equipment, in particular to a folding steel structure hoisting anti-rotation safety fixing hoisting support. BACKGROUND

[0002] The steel structure hoisting support is a temporary structure device used to support and fix the stable position of steel structure components during hoisting, mainly applied in the installation process of large steel structures, especially when heavy components such as steel beams and steel columns need to be accurately hoisted to the designated position, the hoisting support plays a key role, the support is usually made of steel and designed into appropriate shape and size according to the hoisting needs to ensure the stability and safety of the structure during hoisting, the design of the hoisting support needs to consider the load, moment and possible external factors during hoisting to ensure that it can withstand the weight and force from the hoisting equipment and steel structure components, the hoisting support not only can support heavy objects, but also can help adjust the position of the structure to ensure the accuracy and safety of steel structure installation, the use of hoisting support can improve the hoisting efficiency and reduce the risk in construction, it is an indispensable important equipment in steel structure engineering.

[0003] The steel structure hoisting support is usually used to support and fix the steel structure components to ensure the stability of the hoisting process, however, the traditional hoisting support generally has a significant deficiency in the prior art, that is, it lacks the function of inhibiting the rotation of the workpiece during hoisting, during the hoisting process, especially under the action of wind direction change and workpiece inertia force, the hoisted workpiece may rotate uncontrollably, such rotation not only affects the accuracy of hoisting operation, but also may pose a potential threat to the safety of construction personnel and equipment, with the rotation of the hoisted workpiece, it may cause tilting, position deviation or collision with other structures during hoisting, increasing the construction difficulty and risk, in addition, the rotating workpiece may affect the working efficiency of the hoisting equipment, even may cause the interruption of hoisting operation, delay the construction progress, long-time rotation may also cause damage to the workpiece itself, affect its structural safety, and further adversely affect the subsequent installation and use, therefore, we propose a folding steel structure hoisting anti-rotation safety fixing hoisting support. SUMMARY

[0004] The purpose of the present application is to provide a folding steel structure hoisting anti-rotation safety fixing hoisting support to solve the problems raised in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a foldable steel structure hoisting anti-rotation safety fixing hoisting bracket, comprising a first hoisting mechanism for hoisting a workpiece, a second hoisting mechanism for suspending the workpiece on one side of the first hoisting mechanism, a braking mechanism for preventing the workpiece from falling off one side of the second hoisting mechanism, and an anti-rotation mechanism for preventing the workpiece from rotating when the workpiece is suspended by the second hoisting mechanism at the upper end.

[0006] Preferably, the first hoisting mechanism includes a bottom support frame, with multiple casters fixedly connected to both sides of the lower end of the bottom support frame, a support beam fixedly connected to the center of the bottom support frame, a longitudinal support beam fixedly connected to the center of the upper end of the bottom support frame, support bars fixedly connected to both sides of the longitudinal support beam, the lower ends of two support bars fixedly connected to the upper sides of the bottom support frame, and a base fixedly connected to the lower center of one side of the longitudinal support beam.

[0007] Preferably, a hydraulic adjustment component is fixedly connected to one side of the upper center of the base, and a pressure rod is sleeved on the adjustment end of the hydraulic adjustment component. A hydraulic push rod is fixedly connected to the upper center of the base, and the hydraulic push rod and the hydraulic adjustment component are connected through a pipe. A first lifting arm is rotatably connected to the upper end of the longitudinal support beam. The lower center of the first lifting arm is rotatably connected to the upper telescopic end of the hydraulic push rod. A handle is fixedly connected to the upper center of the longitudinal support beam on the side away from the base. A second lifting arm is slidably sleeved at the center of the first lifting arm. A positioning sleeve is fixedly connected to the lower part of the second lifting arm at the end away from the first lifting arm.

[0008] Preferably, the anti-rotation mechanism includes a lifting rod, which is rotatably sleeved inside the positioning sleeve. Both ends of the lower part of the lifting rod are fixedly connected to connecting lugs, and a positioning collar is fixedly connected between the two connecting lugs. A rubber ring is fixedly sleeved on the inner wall of the positioning collar, and a roller bearing is fixedly sleeved at the lower center of the positioning collar.

[0009] Preferably, the inner ring of the roller bearing is fixedly fitted with a guide tube, and a limiting plate is fixedly fitted on the upper outer side of the guide tube. Guide holes are arranged in a ring at the center of the limiting plate near the edge. Guide rods are slidably fitted inside the multiple guide holes. Top plates are fixedly connected to the ends of the guide rods that are far apart from each other. Lower rotating joints are fixedly connected to the upper ends of the multiple top plates.

[0010] Preferably, the plurality of top plates are fixedly connected with rubber friction plates on the side away from each other, the plurality of rubber friction plates are in close contact with the inner wall of the rubber ring, a longitudinal movable rod is slidably arranged at the center of the guide pipe, the upper end of the longitudinal movable rod is fixedly connected with a butt joint disc, a plurality of upper rotary joints are fixedly connected in annular arrangement on the outer side of the butt joint disc, a plurality of connecting rods are rotatably connected in the plurality of upper rotary joints, respectively, the ends of the plurality of connecting rods away from the plurality of upper rotary joints are rotatably connected in the plurality of lower rotary joints, respectively, a jacking spring is sleeved on the outer side of the longitudinal movable rod, and the upper and lower ends of the jacking spring are in abutment with the lower end of the butt joint disc and the upper end of the limiting disc, respectively.

[0011] Preferably, the second hoisting mechanism comprises a butt joint column, the butt joint column is fixedly connected to the lower end of the longitudinal movable rod, the butt joint column is fixedly connected with a lifting rod at the lower end, the lifting rod is fixedly sleeved with a protective cover at the outer side near the two ends, a rotating shaft is rotatably sleeved with two bearings in the protective cover near the two ends, a motor is fixedly connected to one side of the protective cover, the rotating end of the motor is fixedly connected with one end of the rotating shaft, and iron chains are wound around the outer side of the rotating shaft near the two ends.

[0012] Preferably, the brake mechanism comprises a first fixed disc, the first fixed disc is fixedly connected at the end away from the motor of the protective cover, a middle shaft is rotatably sleeved with a bearing at the center of the first fixed disc, a protection ring is fixedly connected to the center near the edge of the side away from the protective cover of the first fixed disc, a fixed sheet is fixedly connected to the inner wall near the lower part of the protection ring, a coil spring is sleeved in the protection ring, one end of the coil spring near the center is fixedly connected in the middle shaft, the other end of the coil spring near the outer ring is fixedly connected with the fixed sheet, and a second fixed disc is fixedly connected to the end away from the first fixed disc of the protection ring.

[0013] Preferably, the middle shaft is rotatably sleeved with a bearing at the end away from the first fixed disc in the second fixed disc, a positioning steel disc is fixedly connected to the side away from the protection ring of the second fixed disc, a connecting disc is rotatably sleeved with a bearing at the center of the positioning steel disc, the connecting disc is fixedly connected to the middle of the end away from the middle shaft, a C-shaped clasp is fixedly connected to the center near the edge of the side away from the middle shaft of the connecting disc, a positioning steel ring is fixedly connected to the center near the edge of the side away from the second fixed disc of the positioning steel disc, a first tooth is fixedly connected in annular arrangement on the inner wall of the positioning steel ring, and a flinger is sleeved at the center of the inner wall.

[0014] Preferably, a first movable hole is formed through the center of the disc, a second movable hole is formed through the side of the center of the disc, a limiting groove is formed through the inner wall of the first movable hole, the first movable hole is sleeved outside the C-shaped ring, one end of the C-shaped ring is in contact with the inner wall of the limiting groove, a plurality of second clamping teeth are arranged and fixed on the upper side of one side of the outer side of the disc, the plurality of second clamping teeth are clamped with the plurality of first clamping teeth, and the blocking disc is fixedly connected to the side away from the disc.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The folding steel structure hoisting anti-rotation safety fixing hoisting support has multiple adjustment, braking and anti-rotation functions. The first hoisting mechanism realizes height adjustment and operation position adjustment through the movable chassis, hydraulic jacking and multiple hoisting arms. The anti-rotation mechanism drives the linkage friction structure under the driving of the longitudinal movable rod. The rotation of the hoisting rod is restricted by the connecting rod, the jacking spring and the multiple rubber friction plates. The rotation of the hoisting part due to inertia or wind force is avoided. The motor driven rotating shaft in the second hoisting mechanism drives the iron chain to retract and release. The safety of the system is ensured by the protective cover. The stable hoisting is realized by the two synchronous hooks. The clamping teeth between the shaft and the positioning steel ring realize the forced mechanical braking of the shaft under abnormal working conditions. The overall system structure linkage is tight, the transmission logic is clear, and efficient, stable and safe hoisting operation can be realized in actual operation, especially for industrial applications that require high positioning accuracy and anti-swing function. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the folding steel structure hoisting anti-rotation safety fixing hoisting support.

[0018] Figure 2 It is a perspective view of the first hoisting mechanism of the present application.

[0019] Figure 3 It is a perspective view of the anti-rotation mechanism of the present application.

[0020] Figure 4 It is a perspective view of the guide rod of the present application.

[0021] Figure 5 It is a perspective view of the second hoisting mechanism of the present application.

[0022] Figure 6 It is a perspective view of the second hoisting mechanism of the present application.

[0023] Figure 7 It is a perspective view of the braking mechanism of the present application.

[0024] Figure 8 Another perspective of the brake mechanism of the application is shown in the exploded view.

[0025] Figure 9 Another perspective of the brake mechanism of the application is shown in the exploded view.

[0026] In the figure: 1, first lifting mechanism; 101, bottom support frame; 102, universal wheel; 103, support beam; 104, longitudinal support inclined beam; 105, support bar; 106, base; 107, hydraulic adjusting part; 108, pressure rod; 109, hydraulic jack; 1010, handle; 1011, first lifting arm; 1012, second lifting arm; 1013, positioning sleeve;

[0027] 2, anti-rotation mechanism; 201, lifting rod; 203, connecting ear; 204, positioning sleeve ring; 205, rubber ring; 206, roller bearing; 207, guide pipe; 208, limit disc; 209, guide hole; 2010, guide rod; 2011, top plate; 2012, lower rotary joint; 2013, rubber friction plate; 2014, longitudinal movable rod; 2015, butt joint disc; 2016, upper rotary joint; 2017, connecting rod; 2018, jacking spring;

[0028] 3, second lifting mechanism; 301, butt joint column; 302, lifting rod; 303, protective cover; 304, rotating shaft; 305, motor; 306, iron chain; 307, lifting hook;

[0029] 4, brake mechanism; 401, first fixed disc; 402, central shaft; 403, protective ring; 404, fixed sheet; 405, coil spring; 406, second fixed disc; 407, positioning steel disc; 408, connecting disc; 409, C-shaped collar; 4010, positioning steel ring; 4011, first clamping tooth; 4012, flywheel; 4013, first movable hole; 4014, second movable hole; 4015, limiting groove; 4016, second clamping tooth; 4017, blocking disc. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0031] Please refer to Figure 1As shown, the present application provides a technical solution: folding steel structure hoisting anti-rotation safety fixing hoisting support, including the first hoisting mechanism 1 for hoisting workpiece, the first hoisting mechanism 1 side is provided with the second hoisting mechanism 3 for the workpiece hanging, the second hoisting mechanism 3 side is provided with the brake mechanism 4 for preventing workpiece from falling off, the second hoisting mechanism 3 upper end is provided with the anti-rotation mechanism 2 for preventing workpiece from rotating when the second hoisting mechanism 3 hangs workpiece.

[0032] Further, the whole folding steel structure hoisting support system has multiple adjustment, brake and anti-rotation functions, the first hoisting mechanism 1 realizes height adjustment and operation position adjustment through movable chassis, hydraulic jacking and multiple hoisting arms, the anti-rotation mechanism 2 drives the linkage friction structure under the longitudinal movable rod 2014, the rotation of the hoisting rod 201 is restricted through the connecting rod 2017, the jacking spring 2018 and multiple rubber friction plates 2013, the rotation of the hoisting piece due to inertia or wind force is avoided, the motor 305 in the second hoisting mechanism 3 drives the rotation of the rotating shaft 304 and drives the iron chain 306 to be retracted and extended, the system safety is ensured in combination with the protective cover 303, the stable hoisting is realized in cooperation with the two synchronous hooks 307, the brake mechanism 4 realizes the forced mechanical brake of the central shaft 402 through the rotation energy storage release of the coil spring 405, the tooth engagement between the flinger 4012 and the positioning steel ring 4010 under abnormal working conditions, the linkage of the overall system structure is strict, the transmission logic is clear, the efficient, stable and safe hoisting operation can be realized in actual operation, and it is especially suitable for industrial occasions requiring high positioning accuracy and anti-swing function.

[0033] In the preferred technical solution of the embodiment, please refer to Figure 2As shown, the first hoisting mechanism 1 comprises a bottom support frame 101, a plurality of universal wheels 102 are arranged and fixedly connected at the lower ends of the two sides of the bottom support frame 101, a support cross beam 103 is fixedly connected at the inner center of the bottom support frame 101, a longitudinal support inclined beam 104 is fixedly connected at the upper end center of the bottom support frame 101, support bars 105 are fixedly connected at the two sides of the longitudinal support inclined beam 104, the lower ends of the two support bars 105 are fixedly connected at the upper ends of the two sides of the bottom support frame 101, a base 106 is fixedly connected at the lower center of one side of the longitudinal support inclined beam 104, a hydraulic adjusting part 107 is fixedly connected at the upper center of one side of the base 106, a pressing rod 108 is sleeved with the adjusting end of the hydraulic adjusting part 107, a hydraulic jack 109 is fixedly connected at the upper center of the base 106, the hydraulic jack 109 and the hydraulic adjusting part 107 are connected in communication through a pipeline, a first hoisting arm 1011 is rotationally connected at the upper end of the longitudinal support inclined beam 104, the lower center of one side of the first hoisting arm 1011 is rotationally connected with the upper telescopic end of the hydraulic jack 109, a handle 1010 is fixedly connected at the upper center of one side of the longitudinal support inclined beam 104 away from the base 106, a second hoisting arm 1012 is slidingly sleeved at the inner center of the first hoisting arm 1011, and a positioning sleeve 1013 is fixedly connected at the lower end of the second hoisting arm 1012 away from the first hoisting arm 1011.

[0034] Further, the bottom support frame 101 is provided with the universal wheels 102, which can realize omnidirectional movement of the device, the support cross beam 103 and the longitudinal support inclined beam 104 form a stable triangular support structure, which improves the overturning resistance of the overall structure, the pressing rod 108 drives the hydraulic adjusting part 107, the hydraulic jack 109 is telescopic, thereby driving the first hoisting arm 1011 to rotate around the connecting point, controlling the elevation angle, the second hoisting arm 1012 is slidingly installed in the first hoisting arm 1011, the hoisting height is adjusted by telescoping, which improves the operation flexibility, and the terminal positioning sleeve 1013 provides a mounting basis for the anti-rotation mechanism 2.

[0035] In the preferred technical solution of the embodiment, please refer to Figures 3-4As shown, the anti-rotation mechanism 2 comprises a lifting rod 201 which is rotatably sleeved in the positioning sleeve 1013, both ends of the lower part of the lifting rod 201 are fixedly connected with connecting lugs 203, the connecting lugs 203 are fixedly connected with a positioning sleeve ring 204, the inner wall of the positioning sleeve ring 204 is fixedly sleeved with a rubber ring 205, the inner part of the center of the lower part of the positioning sleeve ring 204 is fixedly sleeved with a roller bearing 206, the inner ring of the roller bearing 206 is fixedly sleeved with a guide pipe 207, the outer side of the upper part of the guide pipe 207 is fixedly sleeved with a limiting disc 208, the inner part of the center of the limiting disc 208 is annularly arranged with guide holes 209, the inner part of the guide holes 209 is slidably sleeved with guide rods 2010, the mutually faraway ends of the guide rods 2010 are fixedly connected with top plates 2011, the upper ends of the top plates 2011 are fixedly connected with lower rotary joints 2012, the mutually faraway sides of the top plates 2011 are fixedly connected with rubber friction plates 2013, the rubber friction plates 2013 and the inner wall of the rubber ring 205 are mutually attached, the inner part of the center of the guide pipe 207 is slidably sleeved with a longitudinal movable rod 2014, the upper end of the longitudinal movable rod 2014 is fixedly connected with a butt joint disc 2015, the outer side of the butt joint disc 2015 is annularly arranged with a plurality of upper rotary joints 2016, the inner part of the upper rotary joints 2016 is rotatably connected with connecting rods 2017, the ends far away from the upper rotary joints 2016 of the connecting rods 2017 are rotatably connected in the inner part of the lower rotary joints 2012, the outer side of the longitudinal movable rod 2014 is sleeved with a jacking spring 2018, the upper and lower ends of the jacking spring 2018 are respectively abutted with the lower end of the butt joint disc 2015 and the upper end center of the limiting disc 208.

[0036] Further, the lifting rod 201 is inserted into the positioning sleeve 1013 and can rotate, the connecting lugs 203 connect the positioning sleeve ring 204, the rubber ring 205 is arranged inside to play a buffering role, limit the impact caused by too fast rotation, the roller bearing 206 ensures that the lifting rod 201 rotates smoothly, the guide pipe 207 controls the sliding of the guide rods 2010 in the guide holes 209, the guide rods 2010 connect the top plates 2011, the rotation amplitude is controlled through the friction between the rubber friction plates 2013 and the rubber ring 205, the longitudinal movable rod 2014 is pushed by the jacking spring 2018, the butt joint disc 2015 is jacked upwards, the upper rotary joints 2016 are driven to deviate, thereby driving the lower rotary joints 2012 and the rubber friction plates 2013 to move, the rubber friction plates 2013 are pressed against the inner wall of the rubber ring 205, and rotation inhibition in the workpiece lifting process is realized.

[0037] In the more optimal technical solution of the embodiment, please refer to Figures 5-6As shown, the second hoisting mechanism 3 comprises a docking column 301 fixedly connected to the lower end of the longitudinal movable rod 2014, a hoisting rod 302 fixedly connected to the lower end of the docking column 301, a protective cover 303 fixedly sleeved on the outer side of the hoisting rod 302 near both ends, a rotating shaft 304 rotatably sleeved on the protective cover 303 near both ends through two bearings, a motor 305 fixedly connected to one side of the protective cover 303, the rotating end of the motor 305 fixedly connected to one end of the rotating shaft 304, and iron chains 306 wound on the outer side of the rotating shaft 304 near both ends.

[0038] Further, the docking column 301 is connected to the longitudinal movable rod 2014 and bears the gravity and rotating force of the upper anti-rotation device, the hoisting rod 302 is the main hoisting structure, the protective cover 303 is sleeved on the outer side of the hoisting rod 302 to protect the rotating shaft 304 inside, the motor 305 drives the rotating shaft 304 to rotate, drives the iron chains 306 to be wound or released, and realizes the lifting action of the hooks 307, the two hooks 307 can move synchronously, keep the load balanced, ensure the posture of the hoisted object stable, and effectively avoid tilting and overturning.

[0039] In the preferred technical solution of the embodiment, please refer to Figures 7-9As shown, the brake mechanism 4 comprises a first fixed disc 401 fixedly connected at the end of the protective cover 303 away from the motor 305, a middle shaft 402 rotatably sleeved at the inner center of the first fixed disc 401 through a bearing, a protection ring 403 fixedly connected at the center of the side of the first fixed disc 401 away from the protective cover 303, a fixed sheet 404 fixedly connected at the inner wall of the lower part of the protection ring 403, a coil spring 405 sleeved in the protection ring 403, one end of the coil spring 405 fixedly connected at the inner center of the middle shaft 402, the other end of the coil spring 405 fixedly connected with the fixed sheet 404, a second fixed disc 406 fixedly connected at the end of the protection ring 403 away from the first fixed disc 401, the middle shaft 402 rotatably sleeved in the second fixed disc 406 through a bearing, a positioning steel disc 407 fixedly connected at the side of the second fixed disc 406 away from the protection ring 403, a connecting disc 408 rotatably sleeved at the inner center of the positioning steel disc 407 through a bearing, the connecting disc 408 fixedly connected at the middle of the end of the middle shaft 402, a C-shaped ring 409 fixedly connected at the center of the side of the connecting disc 408 away from the middle shaft 402, a positioning steel ring 4010 fixedly connected at the center of the side of the positioning steel disc 407 away from the second fixed disc 406, a first tooth 4011 fixedly connected in the inner wall of the positioning steel ring 4010, a flywheel 4012 sleeved at the inner center of the positioning steel ring 4010, a first movable hole 4013 penetratingly formed at the inner center of the flywheel 4012, a second movable hole 4014 penetratingly formed at the inner center of the flywheel 4012, a limiting groove 4015 penetratingly formed at the inner wall of the first movable hole 4013, the first movable hole 4013 sleeved outside the C-shaped ring 409, and one end of the C-shaped ring 409 in contact with the inner wall of the limiting groove 4015, a plurality of second teeth 4016 fixedly connected at the upper side of the outer side of the flywheel 4012, the plurality of second teeth 4016 in contact with the plurality of first teeth 4011, and a baffle disc 4017 fixedly connected at the side of the positioning steel ring 4010 away from the baffle disc 4017.

[0040] Further, the first fixed disc 401 and the second fixed disc 406 constitute a closed support, the middle shaft 402 penetrates the inside and is rotatably connected with the first fixed disc 401 and the second fixed disc 406 through bearings to keep free rotation, the inside end of the coil spring 405 is fixed to the middle shaft 402, the outside end is connected to the fixed sheet 404, and the automatic rotation function is provided, the stored energy can be released when the middle shaft 402 is suddenly stopped, braking is realized, the protection ring 403 and the first clamping tooth 4011 on the positioning steel ring 4010 form a clamping mechanism through the second clamping tooth 4016 on the flinger 4012, the C-shaped clamping ring 409 is located between the first movable hole 4013 and the limiting groove 4015 on the flinger 4012, mechanical limitation for preventing sliding out of control is provided, the connecting disc 408 moves synchronously with the middle shaft 402, synchronous response of braking is realized, when the motor 305 fails or stops running, the workpiece will inevitably fall and drive the two hooks 307 and the two iron chains 306 to fall, when the two iron chains 306 fall, the rotating shaft 304 will be reversely rotated, when the rotating shaft 304 is reversely rotated, the middle shaft 402, the connecting disc 408 and the C-shaped clamping ring 409 will be synchronously rotated at a high speed, at this time, one end of the C-shaped clamping ring 409 will quickly move away from the limiting groove 4015, the other end of the C-shaped clamping ring 409 will quickly impact an inner wall of the second movable hole 4014, the flinger 4012 is impacted and generates inertia, and swings, so that the positional relationship changes, and multiple second clamping teeth 4016 are forced to quickly engage with the corresponding first clamping teeth 4011.

[0041] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0042] While the embodiments of the application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

Claims

1. A safety fixing hoisting support for preventing rotation during hoisting of a folded steel structure, comprising a first hoisting mechanism (1) for hoisting a workpiece, characterized in that: The first hoisting mechanism (1) is provided with a second hoisting mechanism (3) for suspending workpieces on one side, the second hoisting mechanism (3) is provided with a brake mechanism (4) for preventing workpieces from falling off on one side, and the second hoisting mechanism (3) is provided with an anti-rotation mechanism (2) for preventing workpieces from rotating when the second hoisting mechanism (3) suspends workpieces on the upper end; The anti-rotation mechanism (2) comprises a hoisting rod (201), both ends of the lower part of the hoisting rod (201) are fixedly connected with connecting lugs (203), the connecting lugs (203) are fixedly connected with a positioning sleeve ring (204) between them, the positioning sleeve ring (204) is fixedly sleeved with a rubber ring (205) on the inner wall, and the lower part of the inner center of the positioning sleeve ring (204) is fixedly sleeved with a roller bearing (206); The inner ring of the roller bearing (206) is fixedly sleeved with a guide pipe (207), the upper part of the outer side of the guide pipe (207) is fixedly sleeved with a limiting disc (208), the edge of the inner center of the limiting disc (208) is annularly arranged with guide holes (209), the guide holes (209) are slidably sleeved with guide rods (2010), and the mutually remote ends of the guide rods (2010) are fixedly connected with top plates (2011), and the upper ends of the top plates (2011) are fixedly connected with lower rotary joints (2012); The mutually remote sides of the top plates (2011) are fixedly connected with rubber friction plates (2013), the rubber friction plates (2013) and the inner wall of the rubber ring (205) are mutually attached, the inner center of the guide pipe (207) is slidably sleeved with a longitudinal movable rod (2014), the upper end of the longitudinal movable rod (2014) is fixedly connected with a butt joint disc (2015), the outer side of the butt joint disc (2015) is annularly arranged and fixedly connected with a plurality of upper rotary joints (2016), the plurality of upper rotary joints (2016) are rotatably connected with connecting rods (2017), and the ends of the plurality of connecting rods (2017) away from the plurality of upper rotary joints (2016) are rotatably connected in the plurality of lower rotary joints (2012), respectively. The outer side of the longitudinal movable rod (2014) is sleeved with a jacking spring (2018), and the upper and lower ends of the jacking spring (2018) are respectively in contact with the lower end of the butt joint disc (2015) and the upper end center of the limiting disc (208).

2. The anti-rotation safety fixing hoisting support for folding steel structure hoisting according to claim 1, characterized in that: The first hoisting mechanism (1) comprises a bottom support frame (101), a plurality of universal wheels (102) are arranged and fixedly connected at the lower end of the bottom support frame (101) on both sides, a support cross beam (103) is fixedly connected at the inner center of the bottom support frame (101), a longitudinal support inclined beam (104) is fixedly connected at the upper end center of the bottom support frame (101), support bars (105) are fixedly connected on both sides of the longitudinal support inclined beam (104), and the lower ends of the two support bars (105) are fixedly connected on both sides of the upper end of the bottom support frame (101).

3. The anti-rotation safety fixing hoisting support for folding steel structure hoisting according to claim 2, characterized in that: The lower end of the bottom support frame (101) is fixedly connected with a hydraulic adjusting part (107) on one side of the center of the upper end, a pressure rod (108) is sleeved on the adjusting end of the hydraulic adjusting part (107), a hydraulic jack (109) is fixedly connected at the center of the upper end of the bottom support frame (106), the hydraulic jack (109) and the hydraulic adjusting part (107) are connected in communication through a pipeline, a first hoisting arm (1011) is rotatably connected to the upper end of the longitudinal support inclined beam (104), the lower end center of the first hoisting arm (1011) is rotatably connected to the upper end of the hydraulic jack (109) on one side, a handle (1010) is fixedly connected to the upper end of the center of the side, away from the bottom support frame (106), of the longitudinal support inclined beam (104), a second hoisting arm (1012) is slidably sleeved in the inner center of the first hoisting arm (1011), and a positioning sleeve (1013) is fixedly connected to the lower part of the end, away from the first hoisting arm (1011), of the second hoisting arm (1012).

4. The anti-rotation safety fixing hoisting support for folding steel structure hoisting according to claim 1, characterized in that: The second hoisting mechanism (3) comprises a butt joint column (301), the butt joint column (301) is fixedly connected to the lower end of the longitudinal movable rod (2014), the butt joint column (301) is fixedly connected with a lifting rod (302) at the lower end, the lifting rod (302) is fixedly sleeved with a protective cover (303) on both outer ends, the protective cover (303) is rotatably sleeved with a rotating shaft (304) on both inner ends, the protective cover (303) is fixedly connected with a motor (305) on one side, the rotating end of the motor (305) is fixedly connected with one end of the rotating shaft (304), and the outer sides of both ends of the rotating shaft (304) are wound with iron chains (306).

5. The anti-rotation safety fixing hoisting support for folding steel structure hoisting according to claim 4, characterized in that: The brake mechanism (4) comprises a first fixed disc (401), which is fixedly connected at one end of the protective cover (303) away from the motor (305), a middle shaft (402) is rotatably connected at the center of the inside of the first fixed disc (401) through a bearing, a protection ring (403) is fixedly connected at the center of the side edge of the first fixed disc (401) away from the protective cover (303), a fixed sheet (404) is fixedly connected at the lower inner wall of the protection ring (403), a coil spring (405) is sleeved in the protection ring (403), one end of the coil spring (405) is fixedly connected at the inside of the middle shaft (402), the other end of the coil spring (405) is fixedly connected with the fixed sheet (404), and a second fixed disc (406) is fixedly connected at one end of the protection ring (403) away from the first fixed disc (401).

6. The foldable steel structure anti-rotation safety fixing hoisting support according to claim 5, characterized in that: The middle shaft (402) is rotatably connected at one end of the second fixed disc (406) through a bearing, a positioning steel disc (407) is fixedly connected at one side of the second fixed disc (406) away from the protection ring (403), a connecting disc (408) is rotatably connected at the center of the inside of the positioning steel disc (407) through a bearing, the connecting disc (408) is fixedly connected at one end of the middle shaft (402), a C-shaped clasp (409) is fixedly connected at the center of the side edge of the connecting disc (408) away from the middle shaft (402), a positioning steel ring (4010) is fixedly connected at the center of the side edge of the positioning steel disc (407) away from the second fixed disc (406), a first clamping tooth (4011) is fixedly connected in the inner wall of the positioning steel ring (4010), and a flapper (4012) is sleeved at the center of the inside of the flapper (4012).

7. The foldable steel structure anti-rotation safety fixing hoisting support according to claim 6, characterized in that: A first movable hole (4013) is formed at the center of the inside of the flapper (4012), a second movable hole (4014) is formed at one side of the center of the inside of the flapper (4012), a limiting groove (4015) is formed in one inner wall of the first movable hole (4013), the first movable hole (4013) is sleeved outside the C-shaped clasp (409), one end of the C-shaped clasp (409) is in contact with the inner wall of the limiting groove (4015), a plurality of second clamping teeth (4016) are fixedly connected at the upper side of the outer side of the flapper (4012), the plurality of second clamping teeth (4016) are clamped with the plurality of first clamping teeth (4011), and a baffle (4017) is fixedly connected at one side of the positioning steel ring (4010) away from the baffle (4017).

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