Lifting appliance and lifting process for steel X column of cooling tower

Abstract

The invention relates to a cooling tower steel X column hoisting sling and a hoisting process, and relates to the technical field of sling equipment, the cooling tower steel X column hoisting sling comprises a supporting rod, an adjusting device and a locking device; the adjusting device comprises a fixed rod, a supporting block and a Hu-Hu sliding block, the fixed rod is fixedly connected with the supporting rod, the supporting block slides along the fixed rod, the two sides of the supporting block are each provided with a fixed part and a sliding part, the fixed parts are fixedly connected with the supporting block, and the sliding parts slide along the fixed parts; the sliding block can slide along the fixed part and / or the sliding part; the sliding block is provided with a locking device, the locking device comprises a mounting seat, and the distance angle between the mounting seat and the sliding block is adjustable; locking rods are arranged on the two side walls, away from each other, of the mounting base and elastically slide along the sliding grooves, locking plates are arranged on the end faces, close to the ends, of the locking rods and rotate along the locking rods, a plurality of electric push rods are arranged on a locking plate fixing pipe, and extrusion plates are fixed to the ends of the electric push rods. The steel X column hoisting and fixing device has the effect of better hoisting and fixing the steel X column.

Description

Technical Field

[0001] The present application relates to the technical field of hoisting equipment, and in particular to a cooling tower steel X-column hoisting hoist and a hoisting process. Background Art

[0002] The main function of a cooling tower is to lower the water temperature by exchanging heat between water and air, thereby ensuring the normal operation of the system. The water temperature is lowered by dispersing the hot water and transferring heat through air flow. One of the main structures in a cooling tower is the steel X-column, which provides stable support for the relative strength of the cooling tower.

[0003] In the related technology, when installing the steel X-column, related devices such as steel cables are usually used to hang the steel cables on the side walls of the steel X-column. The steel X-column is then lifted by manual lifting, crane lifting, etc., and then lifted to the relevant position by the crane and fixed accordingly to facilitate the operator to perform subsequent related operations.

[0004] Regarding the above-mentioned related technologies, the fixing effect of the steel X-column by manual or mechanical lifting, steel cables and other methods may be poor, which may easily cause safety hazards, make it inconvenient for operators to perform subsequent related operations, and affect the stability of the lifting. Summary of the invention

[0005] In order to better hoist and fix the steel X-column, the present application provides a cooling tower steel X-column hoisting sling and hoisting process.

[0006] The present application provides a cooling tower steel X-column hoisting sling and hoisting process, which adopts the following technical solutions: A cooling tower steel X-column hoisting sling and hoisting process, comprising a suspension device, an adjustment device and a locking device; The suspension device includes two support rods, and the support rods can be hung on relevant lifting equipment; The adjusting device comprises a fixed rod and a support block, wherein the fixed rod is fixedly connected to the support rod, and the support block slides along the fixed rod; a fixed portion, a sliding portion and a sliding block are arranged on both sides of the support block, and the fixed portion is fixedly connected to the support block, and the sliding portion slides along the fixed portion; the sliding block can slide along the fixed portion and / or the sliding portion; The sliding block is equipped with a locking device, which includes a mounting seat, and the distance angle between the mounting seat and the sliding block is adjustable; the two side walls of the mounting seat that are far away from each other are provided with sliding grooves, and a locking rod is provided in each sliding groove, and the locking rod slides elastically along the sliding groove, and the end surfaces of the locking rods that are close to each other are provided with locking plates, and the locking plate and the locking rod are rotatably connected, and the locking plate is fixed with an electric push rod, and the electric push rod is fixedly connected with an extrusion plate.

[0007] By adopting the above technical solution, the operator first fixes the two support rods to the corresponding suspension device. The fixed rod provides support for the installation of the support block. The operator can adjust the height of the fixed part by adjusting the position of the support block, and then slide the sliding part so that the end of the sliding part can be closer to the steel X-column. Then, by changing the position of the sliding block, the position of the locking device can be changed. The slide groove provides a limit for the sliding direction of the installation of the locking rod. The operator can limit the steel X-columns of different sizes by adjusting the locking rod. Then, the operator rotates the locking plate so that the steel X-column is located between the locking rod and the locking plate. By adjusting the electric push rod, the extrusion plate can fit the surface of the steel X-column, and then the steel X-column is fixed, which is convenient for the operator to hoist the steel X-column, improves the stability of the steel X-column during the suspension process, and avoids safety problems.

[0008] Optionally, the fixed portion and the sliding portion are both C-shaped, and the opening directions of the fixed portion and the sliding portion on both sides are toward a side close to each other, and the two ends of the sliding block are respectively located at the fixed portion and / or the fixed portion on both sides.

[0009] By adopting the above technical solution, the fixed part and the sliding part are set as C-shaped rods, which can provide support for the sliding block, so that the sliding block can slide along the fixed part and the sliding part, and then support and limit different positions of the steel X-column, thereby ensuring the stability of the steel X-column during the suspension process.

[0010] Optionally, the sliding block is equipped with a fixed tube and a mounting rod, the fixed tube and the sliding block are fixedly connected, the mounting rod slides along the fixed tube, the end of the mounting rod is provided with a mounting disk, a fixed seat and a rotating seat, the mounting disk rotates with the mounting rod, one end of the fixed seat is fixedly connected to the mounting disk, and the other end is rotatably connected to the rotating seat, and the rotating seat and the mounting seat are fixedly connected.

[0011] By adopting the above technical solution, the fixed tube provides support for the sliding and installation of the mounting rod. The mounting rod slides in the vertical direction, thereby changing the position of the mounting plate. The mounting plate provides support for the installation of the fixed seat. The fixed seat can provide support for the installation of the rotating seat. The rotating seat rotates along the fixed seat, thereby driving the mounting seat to rotate, thereby limiting the steel X-columns at different angles.

[0012] Optionally, the rotation axes of the mounting plate and the rotating seat are perpendicular to each other.

[0013] By adopting the above technical solution, the operator can adjust the angle of the mounting plate relative to the mounting rod and rotate the angle of the rotating seat relative to the fixed seat, so that the mounting seat can achieve stable rotation and steel X-columns with different angles can be hoisted.

[0014] Optionally, the locking rod is provided with a limit block on a side of the locking plate away from the mounting seat, and the limit block is slidably connected to the locking plate; The limiting block can abut against the side wall of the locking plate.

[0015] By adopting the above technical solution, the limit block can be recovered to the inside of the locking rod, and can also slide out of the locking rod, and provide a limit for the locking plate to prevent the locking plate from rotating in the opposite direction, thereby reducing the limit effect on the steel X-column. Optionally, a flexible pad is provided on the top wall of the mounting seat; The end surface of the extrusion plate close to the mounting seat is provided with a friction pad.

[0016] By adopting the above technical solution, the setting of the flexible pad and the friction pad can better make the mounting seat and the extrusion plate fit the surface of the steel X-column, thereby providing better positioning for the steel X-column and preventing the steel X-column from loosening during lifting.

[0017] Optionally, the side wall of the fixed seat is evenly distributed with multiple positioning grooves along the circumferential direction, and the rotating seat is equipped with a positioning piece, which includes a first spring and a positioning ball. The two ends of the first spring are respectively fixedly connected to the rotating seat and the positioning ball, and the positioning groove is used to accommodate the positioning ball.

[0018] By adopting the above technical solution, the positioning groove provides installation space for the positioning ball, and the second spring can provide a buffer space between the positioning ball and the rotating seat. The operator can rotate the rotating seat to make the positioning ball located in different positioning grooves, thereby providing a certain control over the angle of the rotating seat and providing a stable limit for the steel X-column. Optionally, the suspension device further includes two connecting frames, the two connecting frames enclose a rectangular frame, two support rods are provided and are respectively located at two ends of the connecting frames, the support rods pass through the connecting frames and are slidably connected to the connecting frames.

[0019] By adopting the above technical solution, the provision of two connecting frames can better limit and support steel X-pillars of different lengths, thereby improving the overall applicability of the device.

[0020] Optionally, each corner of the connecting frame is provided with a lifting ear.

[0021] By adopting the above technical solution, the setting of the lifting lug can facilitate the operator to connect the connecting frame and the lifting device, improve the operator's work and carry out.

[0022] Optionally, a cooling tower steel X-column hoisting process is characterized in that the cooling tower steel X-column hoisting sling according to any one of claims 1 to 9 comprises the following steps: S1: Adjust the distance between the connecting frame and the support rod so that the connecting frame can hoist the steel X-column of corresponding length, and adjust the position of the support block relative to the fixing rod; S2: Adjust the position of the sliding part and the position of the sliding block at the same time; S3: Adjust the height of the mounting rod, rotate the mounting plate and the swivel seat S4: Retract the limit block into the locking rod, so that the steel X-column squeezes the locking rod and the locking plate in turn, and enters between the locking plate and the mounting seat; S5: Continue to lift the mounting rod to make the steel X-column fit the surface of the mounting seat, and the rotating seat and the fixed seat are positioned by the positioning piece; S6: The extruded plate is fitted to the surface of the steel X-pillar through an electric push rod.

[0023] By adopting the above technical solution, the operator first adjusts the position of the connecting frame, adjusts the position of the supporting block, and then adjusts the position of the sliding part, slides the sliding block, drives the fixed tube to shift, and then adjusts the position of the mounting rod to make the steel X-column fit against the surface of the mounting seat. At the same time, the steel X-column squeezes the locking rod. At this time, the rotating seat rotates for the first time, and the control limit block is recovered into the locking rod. The steel X-column is located between the mounting seat and the locking plate. The limit block returns to its original position to prevent the locking plate from rotating in the opposite direction. The mounting rod is continuously lifted to make the mounting seat fit against the steel X-column, and the fixed seat and the rotating seat are fixed by the positioning piece. The extrusion plate is fit against the surface of the steel X-column by the electric push rod to complete the positioning of the steel X-column.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting the locking device, different types of steel X-columns can be positioned and installed. During the lifting process, the steel X-columns can be effectively prevented from shaking and the stability of the lifting belt can be ensured; 2. By setting the adjustment device, the steel X-column can be hoisted at different positions to ensure stability during the hoisting process; 3. By setting up the suspension device, steel X-columns of different sizes can be hoisted, thus improving the overall applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application; Figure 2 is a schematic diagram of the structure of the regulating component; Figure 3 is a schematic diagram of the displacement component structure; Figure 4 It is a schematic diagram of the positioning member structure; Figure 5 It is a schematic diagram of the locking member structure.

[0026] Figure numerals: 1, suspension device; 11, connecting frame; 111, fixing groove; 12, support rod; 13, reinforcing rib; 14, lifting ear; 2, adjustment device; 21, fixing rod; 22, reinforcing rib; 23, sliding groove; 24, adjustment assembly; 241, first motor; 242, screw rod; 243, support block; 244, support sheet; 25, shift assembly; 251, fixing part; 252, sliding part; 253, connecting plate; 26, sliding block; 261, elastic frame; 262, roller; 3, locking device; 31 , fixing tube; 32, mounting rod; 33, angle adjustment assembly; 331, mounting plate; 332, fixing seat; 333, rotating seat; 334, positioning groove; 34, positioning member; 341, first spring; 342, positioning ball; 35, mounting seat; 351, slide groove; 352, flexible pad; 36, locking member; 361, locking rod; 362, second spring; 363, guide groove; 37, pressing member; 371, limit block; 372, locking plate; 373, electric push rod; 374, extrusion plate; 375, friction pad. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-5 This application is described in further detail.

[0028] The embodiment of the present application discloses a cooling tower steel X-column hoisting sling and hoisting process.

[0029] Reference Figure 1 A cooling tower steel X-column lifting sling comprises a suspension device 1, an adjustment device 2 and a locking device 3.

[0030] Reference Figure 1 In this solution, the X-column is arranged vertically, and the projection of the X-column along the vertical direction is defined as the long side direction of the X-column.

[0031] Reference Figure 1 The suspension device 1 includes a connecting frame 11. Two connecting frames 11 are provided. The two connecting frames 11 are respectively located at the two ends of the long side direction of the X-pillar. In this embodiment, the connecting frame 11 is preferably a C-shaped frame. The connecting frame 11 is horizontally arranged, and the opening direction of the connecting frame 11 is oriented toward the direction of approaching each other. The two connecting frames 11 jointly enclose a rectangular frame. A fixing groove 111 is provided at one end of the two connecting frames 11 that are close to each other. A first driving cylinder is provided in each fixing groove 111. In this embodiment, the first driving cylinder is preferably a hydraulic cylinder. The driving direction of the first driving cylinder is parallel to the opening direction of the fixing groove 111. The outer shell of the first driving cylinder is fixedly connected to the connecting frame 11 by screw fixing.

[0032] Reference Figure 1, wherein support rods 12 are provided at both ends of any connecting frame 11, the support rods 12 are horizontally arranged, and the long side direction of the support rods 12 is parallel to the long side direction of the X-pillar, and the two ends of the support rods 12 are respectively inserted into two fixing grooves 111 correspondingly arranged on the two connecting frames 11, and the support rods 12 can slide along the fixing grooves 111, and the support rods 12 can be fixedly connected to the output end of the first driving cylinder by screw fixing.

[0033] Reference Figure 1 Each support rod 12 is equipped with a reinforcing rib 13. In this embodiment, the lengths of the two ends of the reinforcing rib 13 are electrically variable. One end of the reinforcing rib 13 is rotatably connected to the support rod 12 through a hinge seat, and the other end is rotatably connected to the end of the connecting frame 11 through a hinge seat. Here, the rotational connections at both ends of the reinforcing rib 13 are horizontal and perpendicular to the axial direction of the reinforcing rib 13.

[0034] Reference Figure 1 At each connection point of the top wall of the connecting frame 11, a lifting ear 14 is provided, and the lifting ear 14 is fixedly connected to the connecting frame 11 by screws.

[0035] Reference Figure 1 and Figure 2 , each support rod 12 is equipped with an adjusting device 2 in the middle of the connecting frame 11, and the adjusting device 2 includes a fixing rod 21. In this embodiment, the fixing rod 21 is preferably a rectangular rod, and the fixing rod 21 is vertically arranged. The fixing rod 21 is fixedly connected to the support rod 12 by welding, and the top of the fixing rod 21 is evenly distributed with reinforcing ribs 22 along the vertical direction. In this embodiment, the reinforcing rib 22 is preferably a right-angled triangle plate, and the two right-angled sides of the reinforcing rib 22 are respectively attached to the support rod 12 and the fixing rod 21, and the reinforcing rib 22 is fixedly connected to the support rod 12 and the fixing rod 21 by welding.

[0036] Reference Figure 1 and Figure 2 , the end faces of the two fixed rods 21 close to each other are provided with a sliding groove 23, and the long side direction of the sliding groove 23 is parallel to the long side direction of the fixed rod 21. Each fixed rod 21 is equipped with an adjustment assembly 24, and the adjustment assembly 24 includes a first motor 241, a screw rod 242 and a support block 243. In this embodiment, the first motor 241 is preferably a servo motor, and the housing of the first motor is fixedly connected to the bottom wall of the fixed rod 21 by screw fixing, and the screw rod 242 is located in the inner cavity of the sliding groove 23, and the screw rod 242 is penetrated by the fixed rod 21, and is rotatably connected to the fixed rod 21 by bearing connection, and the screw rod 242 is coaxially fixedly connected to the output shaft of the first motor 241 by key connection. The support block 243 is penetrated with a through hole in the vertical direction, and the inner cavity of the through hole is provided with a screw nut, and the housing of the screw nut is fixedly connected to the support block 243 by screw fixing.

[0037] Reference Figure 1 and Figure 2 The bottom wall of the support block 243 is provided with a support sheet 244. In the present embodiment, the support sheet 244 is preferably a right-angled triangle sheet. The support sheet 244 is vertically arranged. One right-angled side of the support sheet 244 is in contact with the support block 243, and the other right-angled side is in contact with the side wall of the sliding groove 23.

[0038] Reference Figure 2 and Figure 3 Two displacement components 25 are provided on the end surface of the support block 243 away from the fixing rod 21. The two displacement components 25 are respectively located at the two ends of the long side direction of the X-column, and the two displacement components 25 are symmetrically arranged.

[0039] Reference Figure 2 and Figure 3 The displacement assembly 25 includes a fixed portion 251 and a sliding portion 252. In this embodiment, the fixed portion 251 and the sliding portion 252 are both C-shaped rods. The length directions of the fixed portion 251 and the sliding portion 252 are horizontal and parallel to the long side direction of the X-pillar. The opening directions of the fixed portion 251 and the sliding portion 252 are consistent and both face the side close to each other. The fixed portion 251 is fixedly connected to the support block 243 by screw fixing, and the sliding portion 252 is inserted into the inner cavity of the fixed portion 251. The sliding portion 252 is equipped with a second driving cylinder. The driving direction of the second driving cylinder is parallel to the long side direction of the fixed portion 251. The outer shell of the second driving cylinder is fixedly connected to the fixed portion 251 by screw fixing, and the output end of the second driving cylinder is fixedly connected to the sliding portion 252 by screw fixing.

[0040] Reference Figure 2 and Figure 3 The top wall and the bottom wall of the sliding part 252 near one end of the fixed part 251 are both provided with a connecting plate 253, and the connecting plate 253 is fixedly connected to the sliding part 252 by screws. In this embodiment, one end of the connecting plate 253 is attached to the fixed part 251, and the other end is attached to the sliding part 252.

[0041] Reference Figure 2 and Figure 3 The adjusting device 2 further includes a sliding block 26, and a plurality of sliding blocks 26 are provided, and the plurality of sliding blocks 26 are arranged in sequence along the long side direction of the X-pillar. The sliding block 26 is arranged horizontally, and the two ends of the sliding block 26 are respectively located in the inner cavity of the two fixed parts 251 or the two sliding parts 252, and an elastic frame 261 is provided at each corner of the top wall and the bottom wall of the sliding block 26, and the elastic frame 261 is extended and retracted in a vertical direction, and each elastic frame 261 is equipped with a roller 262, and the roller 262 is rotatably connected to the elastic frame 261 by a bearing connection, wherein the rotation axis of the roller 262 is horizontal and perpendicular to the long side direction of the fixed part 251 and / or the sliding part 252.

[0042] Reference Figure 2 and Figure 3 In this embodiment, the elastic frame 261 is always in a contracted state, wherein the roller 262 is always in contact with the fixed portion 251 and / or the sliding portion 252.

[0043] Reference Figure 2 and Figure 3 A locking device 3 is provided on the top wall and the bottom wall of the sliding block 26. The locking device 3 includes a fixed tube 31 and a mounting rod 32. In this embodiment, the fixed tube 31 is vertically arranged, and the fixed tube 31 is fixedly connected to the sliding block 26 by screws. The mounting rod 32 is passed through the inner cavity of the fixed tube 31 and slides along the axial direction of the fixed tube 31 through a driving mechanism. In this embodiment, the driving mechanism can be a cylinder or an oil cylinder, wherein the output end of the driving mechanism is fixedly connected to the mounting rod 32.

[0044] Reference Figure 2 The locking device 3 includes an angle adjustment component 33, which includes a mounting plate 331, a fixed seat 332 and a rotating seat 333. The mounting plate 331 is horizontally arranged, and the mounting plate 331 is rotatably connected to the mounting rod 32 by a bearing connection. Here, the rotation axis of the mounting plate 331 is consistent with the axis direction of the mounting rod 32. In this embodiment, the fixed seat 332 is preferably a semicircular cylinder, and the long side length of the plane of the fixed seat 332 is greater than the mounting plate 331. The fixed seat 332 is fixedly connected to the mounting plate 331 by screw fixing. Both semicircular side walls of the fixed seat 332 are provided with a plurality of positioning grooves 334, wherein the positioning grooves 334 located on the same end surface are arranged in sequence along the arc direction of the fixed seat 332. The rotating seat 333 is sleeved on the fixed seat 332, and the rotating seat 333 can rotate along the fixed seat 332, wherein the axis direction of the rotating seat 333 is consistent with the axis direction of the fixed seat 332.

[0045] Reference Figure 2 and Figure 4 , both end faces of the inner wall of the rotating seat 333 are provided with positioning members 34, and the positioning members 34 include a first spring 341 and a positioning ball 342. In this embodiment, the expansion and contraction direction of the first spring 341 is parallel to the axial direction of the fixed seat 332, and the first spring 341 is fixedly connected to the rotating seat 333 by screws, and the other end is fixedly connected to the positioning ball 342 by screws, wherein the positioning groove 334 is used to accommodate the positioning ball 342.

[0046] Reference Figure 5 The locking device 3 also includes a mounting seat 35, which is fixedly connected to the rotating seat 333 by screws. Here, the mounting seat 35 is away from the end surface of the rotating seat 333 and is parallel to the end surface of the rotating seat 333.

[0047] Reference Figure 5 , two side walls of the mounting seat 35 that are away from each other are provided with a slide groove 351, the opening directions of the two slide grooves 351 are facing the direction away from each other, and each slide groove 351 is equipped with a locking member 36, which includes a locking rod 361 and a second spring 362. In this embodiment, the locking rod 361 is preferably an L-shaped rod, the horizontal section of the locking rod 361 is inserted into the slide groove 351, and the vertical section is located on the side of the horizontal section away from the rotating seat 333. The second spring 362 is located in the slide groove 351, and the expansion and contraction direction of the second spring 362 is parallel to the opening direction of the slide groove 351. The two ends of the second spring 362 are fixedly connected to the mounting seat 35 and the locking rod 361 by screws.

[0048] Reference Figure 5 A guide groove 363 is provided on the end surface of the vertical section of the locking rod 361 away from the horizontal section, and the depth of the guide groove 363 gradually deepens along the direction in which the two locking rods 361 point toward each other.

[0049] Reference Figure 5 The end surfaces of the vertical sections of the locking rod 361 that are close to each other are provided with a clamping piece 37, and the clamping piece 37 includes a limit block 371 and a locking plate 372. The side wall of the locking rod 361 is provided with a placement groove, the limit block 371 is located in the inner cavity of the placement groove, and the limit block 371 is equipped with a driving assembly that can slide along the placement groove, and the locking plate 372 is located on the side of the limit block 371 close to the mounting seat 35, the top wall of the locking plate 372 can fit on the limit block 371, and the locking plate 372 is rotatably connected to the locking rod 361 by a hinge connection.

[0050] Reference Figure 5 The locking plate 372 is provided with electric push rods 373 at intervals along the long side direction, one end of the electric push rod 373 is fixedly connected to the locking plate 372 by means of screws, an extrusion plate 374 is provided at the end of the electric push rod 373 away from the locking plate 372, the extrusion plate 374 is fixedly connected to the output end of the electric push rod 373 by means of screws, and a friction pad 375 is provided at the end of the extrusion plate 374 away from the electric push rod 373, the friction pad 375 is fixedly connected to the extrusion plate 374 by means of screws.

[0051] Reference Figure 5 A flexible pad 352 is provided on the end surface of the mounting seat 35 away from the rotating seat 333, and the flexible pad 352 is fixedly connected to the mounting seat 35 by screws.

[0052] The present application also discloses a cooling tower steel X-column hoisting process: The X-column and its related steel structure and its corresponding steel structure inner wall, inner and outer surfaces shall be deburred and rusted, and the rust removal quality grade shall be Sa2.5, followed by anti-corrosion work. After completing the corresponding work, at least one primer shall be applied to the surface before leaving the factory, and the thickness shall be uniform, without missing brushes, no sagging, no wrinkles, no peeling and shelling, no bubbles, etc. Temporary protective measures such as covering shall be taken for non-coated surfaces. The outer surface coating protection of the steel structure adopts a cold spray zinc anti-corrosion system, and the coating thickness shall not be less than 180um.

[0053] After the relevant structures are transported to the site, the corresponding assembly is carried out: the assembly of the steel tube concrete X-pillar is carried out in the intercooling tower, and 3 sets of tire frames are set up. The tire frames must have sufficient strength and rigidity to support the overall weight of the X-pillar and ensure the assembly quality. The tire frame is composed of 19 sets of steel frames. The steel frame uses hot-rolled steel to ensure the overall stability of the tire frame. The top surface of the concrete foundation is embedded with embedded parts, and the tire frame columns are firmly welded to the embedded parts. When the horizontal components of the tire frame are installed, they are measured by a level to ensure that the top surface elevation of the tire frame is consistent. Before and after assembling each X-pillar steel column, the tire frame is measured once for elevation; before, during and after assembling each X-steel column, regular observations are carried out to ensure that the upper, middle and lower sections of the steel column are accurately positioned. If the foundation has uneven settlement, it is necessary to adjust the trapezoidal plate fixing the X-pillar on the tire frame to ensure the horizontal elevation of the tire frame.

[0054] Then, the construction work before hoisting is carried out: the crawler crane walking road at the construction site must be kept unobstructed to ensure that the components can be transported to the site and that the assembly and hoisting operations can be carried out on site. The foundation axis and foundation top elevation are checked, and construction can only be carried out after confirmation. All components are marked with installation guidelines and coded so that they can be installed quickly and accurately. Check and clean the work site, determine the transportation route, remove obstacles in the work area, and set up safety warning signs in the warning area and hoisting site.

[0055] Then, the connection between the sling and the X-column is performed: the length of the steel X-column is adjusted, the distance between the connecting frame 11 and the support rod 12 is adjusted, and the position of the support block 243 relative to the fixed rod 21 is adjusted by the first motor 241; the distance between the fixed part 251 and the sliding part 252 is adjusted so that the end of the sliding part 252 can be closer to the steel X-column, and the position of the plurality of sliding blocks 26 is adjusted; by adjusting the height of the mounting rod 32 and rotating the mounting plate 331 and the rotating seat 333; the limit block 371 is retracted to the locking rod The inner cavity of 361 is formed, and at the same time, the steel X-column squeezes the locking rod 361 and the locking plate 372 in sequence, so that the steel X-column is located between the limiting rod and the mounting seat 35; the mounting rod 32 is continuously lifted to drive the steel X-column to fit the surface of the mounting seat 35, and at the same time, the rotating seat 333 and the fixed seat 332 are limited by the positioning piece 34; the extrusion plate 374 is fitted to the steel X-column through the electric push rod 373; the lifting ear 14 and the hook of the crane are stably connected to prevent the hook and the lifting ear 14 from loosening and causing safety problems.

[0056] After the hoisting is completed, the relevant structures are connected and the corresponding concrete is poured on the ground. Finally, the construction of the cooling tower steel X-column is completed, and then the subsequent related operations are carried out.

[0057] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cooling tower steel X-column hoisting sling, characterized in that: It comprises a suspension device (1), an adjustment device (2) and a locking device (3); The suspension device (1) comprises two support rods (12), and the support rods (12) can be hung on relevant lifting equipment; The adjusting device (2) comprises a fixing rod (21) and a supporting block (243); the fixing rod (21) and the supporting rod (12) are fixedly connected; the supporting block (243) slides along the fixing rod (21); both sides of the supporting block (243) are provided with a fixing portion (251), a sliding portion (252) and a sliding block (26); the fixing portion (251) and the supporting block (243) are fixedly connected; the sliding portion (252) slides along the fixing portion (251); and the sliding block (26) can slide along the fixing portion (251) and / or the sliding portion (252); The sliding block (26) is provided with a locking device (3), the locking device (3) comprises a mounting seat (35), the distance angle between the mounting seat (35) and the sliding block (26) is adjustable; two side walls of the mounting seat (35) which are away from each other are provided with sliding grooves (351), each sliding groove (351) is provided with a locking rod (361), the locking rod (361) slides elastically along the sliding groove (351), the end surfaces of the locking rods (361) which are close to each other are provided with locking plates (372), the locking plates (372) and the locking rods (361) are rotatably connected, the locking plates (372) are fixed with electric push rods (373), and the electric push rods (373) are fixedly connected with a pressing plate (374).

2. A cooling tower steel X-column hoisting sling according to claim 1, characterized in that: The fixed portion (251) and the sliding portion (252) are both C-shaped, and the opening directions of the fixed portion (251) and the sliding portion (252) on both sides are oriented toward a side close to each other, and the two ends of the sliding block (26) are respectively located at the fixed portion (251) and / or the fixed portion (251) on both sides.

3. A cooling tower steel X-column hoisting sling according to claim 1, characterized in that: The sliding block (26) is provided with a fixed tube (31) and a mounting rod (32); the fixed tube (31) and the sliding block (26) are fixedly connected; the mounting rod (32) slides along the fixed tube (31); an installation disk (331), a fixed seat (332) and a rotating seat (333) are provided at the end of the installation rod (32); the installation disk (331) rotates with the installation rod (32); one end of the fixed seat (332) is fixedly connected to the installation disk (331) and the other end is rotatably connected to the rotating seat (333); the rotating seat (333) and the mounting seat (35) are fixedly connected.

4. A cooling tower steel X-column hoisting sling according to claim 3, characterized in that: The rotation axes of the mounting plate (331) and the rotating seat (333) are perpendicular to each other.

5. The cooling tower steel X-column hoisting sling according to claim 1, characterized in that: The locking rod (361) is provided with a limit block (371) on the side of the locking plate (372) away from the mounting seat (35), and the limit block (371) is slidably connected to the locking plate (372); The limiting block (371) can abut against the side wall of the locking plate (372).

6. A cooling tower steel X-column hoisting sling according to claim 1, characterized in that: The top wall of the mounting seat (35) is provided with a flexible pad (352); A friction pad (375) is provided on the end surface of the extrusion plate (374) close to the mounting seat (35).

7. A cooling tower steel X-column hoisting sling according to claim 3, characterized in that: The side wall of the fixed seat (332) is evenly distributed with a plurality of positioning grooves (334) along the circumferential direction; the rotating seat (333) is provided with a positioning member (34); the positioning member (34) comprises a first spring (341) and a positioning ball (342); the two ends of the first spring (341) are respectively fixedly connected to the rotating seat (333) and the positioning ball (342); the positioning groove (334) is used to accommodate the positioning ball (342).

8. The cooling tower steel X-column hoisting sling according to claim 1, characterized in that: The suspension device (1) further comprises two connecting frames (11), wherein the two connecting frames (11) surround a rectangular frame, and two support rods (12) are provided and are respectively located at two ends of the connecting frames (11), and the support rods (12) are passed through the connecting frames (11) and are slidably connected to the connecting frames (11).

9. A cooling tower steel X-column hoisting sling according to claim 8, characterized in that: Each corner of the connecting frame (11) is provided with a lifting ear (14).

10. A cooling tower steel X-column hoisting process, characterized in that: A cooling tower steel X-column hoisting device according to any one of claims 1 to 9 comprises the following steps: S1: adjusting the distance between the connecting frame (11) and the supporting rod (12) so that the connecting frame (11) can hoist the steel X-column of corresponding length, and adjusting the position of the supporting block (243) relative to the fixing rod (21); S2: adjusting the position of the sliding portion (252) and the position of the sliding block (26); S3: Adjust the height of the mounting rod (32), rotate the mounting plate (331) and the rotating seat (333) S4: retract the limit block (371) into the locking rod (361), so that the steel X-column sequentially squeezes the locking rod (361) and the locking plate (372), and enters between the locking plate (372) and the mounting seat (35); S5: Continue to lift the mounting rod (32) so that the steel X-column fits the surface of the mounting seat (35), and the rotating seat (333) and the fixed seat (332) are positioned by the positioning member (34); S6: The extrusion plate (374) is made to fit onto the surface of the steel X-pillar by means of the electric push rod (373).

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