A lifting device for round hole graphite heat exchanger

Abstract

The present invention discloses a device for lifting a round block hole type graphite heat exchanger into position, comprising a lifting frame, four sets of universal wheels are fixedly installed on the lower side of the lifting frame, a lifting mechanism is arranged on the inner side of the lifting frame, a fixing mechanism is arranged on the inner side of the lifting mechanism near the lower side, the fixing mechanism comprises a connecting frame fixedly arranged on the inner side of the lifting mechanism near the lower side, a fixing disc is fixedly arranged on the lower end of the connecting frame, a cylinder is fixedly installed near the center of the lower end of the fixing disc, and a U-shaped frame is fixedly connected to the lower side of the cylinder. The device for lifting a round block hole type graphite heat exchanger described in the present invention is expanded by three sets of fixing plates to achieve the fixation of the internal graphite block of the corresponding round block hole type graphite heat exchanger, thereby avoiding damage to the graphite block caused by inserting a rod-like tool with a ring into the side hole for lifting, thereby ensuring the normal use of the graphite block.

Description

Technical Field

[0001] The invention relates to the technical field of round block hole type graphite heat exchangers, in particular to a round block hole type graphite heat exchanger lifting and positioning device. Background Art

[0002] The round block hole type graphite heat exchanger is composed of several impregnated graphite blocks with circular cross-sections. It is sealed with polytetrafluoroethylene and equipped with a pressure spring as an automatic compensation device for thermal expansion and contraction. The graphite block is placed in a cylindrical shell, and there are many circular hole flow channels parallel to and perpendicular to the axis on the graphite block. Among them, the corrosive medium flows along the axial flow channel, and the other non-corrosive medium flows along the radial flow channel with internal and external bends. After assembly, the upper and lower parts are respectively equipped with impregnated graphite collector and distribution covers, which also serve as the inlet and outlet of the treated medium. The outer shell of the heat exchanger is tightened with long screws and pressed with the help of upper and lower metal cover plates. Two sets of non-interconnected flow channels are drilled on the graphite block, and the two sets of flow channels are at right angles. Two different fluids pass through these two sets of flow channels to achieve the purpose of heat exchange. It has the advantages of high heat transfer efficiency, stability and reliability, impact resistance and convenient maintenance. At present, when assembling or repairing round hole type graphite heat exchanger equipment, its internal graphite block itself is easy to be damaged and there is no hanging point, which brings difficulties to its maintenance. The existing technology mostly uses a rod tool with a ring to insert into the side hole for lifting. Using this method, the insertion hole is subjected to greater force and is easy to be damaged, affecting the normal use of the graphite block. In addition, the lack of protective devices makes it easy to fall, causing danger to the staff below, and the safety is low. Secondly, because the graphite blocks need to be stacked up exactly and then installed in a steel cylindrical shell, this requires the lifting and positioning device to have strong stability and small shaking during the movement process, so as to avoid the graphite blocks from colliding with each other during the stacking process, and facilitate positioning and docking. Finally, the existing lifting and positioning equipment lacks the function of driving the graphite blocks to rotate after lifting the heavy objects, so the overall flexibility is relatively low, and the graphite blocks are prone to angle problems during the alignment and stacking process, which requires manual adjustment. It is inconvenient to operate at high places and consumes manpower. Summary of the invention

[0003] The main purpose of the present invention is to provide a device for lifting and placing a round block hole type graphite heat exchanger, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] The lifting device of the round block hole type graphite heat exchanger comprises a lifting frame, four groups of universal wheels are fixedly installed on the lower side of the lifting frame, a lifting mechanism is arranged on the inner side of the lifting frame, and a fixing mechanism is arranged on the inner side of the lifting mechanism near the lower side, and the fixing mechanism comprises a connecting frame fixedly arranged on the inner side of the lifting mechanism near the lower side, a fixing disc is fixedly arranged on the lower end of the connecting frame, a cylinder is fixedly installed near the center of the lower end of the fixing disc, a U-shaped frame is fixedly connected to the lower side of the cylinder, a plurality of groups of vertical rods are fixedly connected to the lower end of the fixing disc near the edge, an upper fixing plate is fixedly connected to the lower end of the U-shaped frame, and limiting grooves are provided on the inner side of the upper fixing plate corresponding to the positions of the plurality of groups of vertical rods, a plurality of groups of fixing blocks are fixedly arranged on the lower end of the upper fixing plate near the outer side, a lower fixing plate is fixedly arranged on the lower ends of the plurality of groups of fixing blocks, and the upper A third motor is fixedly installed near the center of the upper end of the fixed plate, the lower side of the third motor is fixedly connected to a connecting plate, a plurality of groups of control rods are fixedly arranged on the lower end of the connecting plate, a fixed cylinder is fixedly arranged on the lower end of the lower fixed plate near the outer side of the plurality of groups of control rods, three groups of connecting rods are fixedly arranged on the inner side of the plurality of groups of the fixed cylinders near the lower side, a round rod is fixedly connected to one side of the plurality of groups of the fixed cylinders, a plurality of groups of circular rings are fixedly connected to the upper ends of the plurality of groups of the circular rods, a plurality of groups of chassis are fixedly connected to the lower ends of the plurality of groups of the circular rods, a center rod is fixedly connected between the plurality of groups of the circular rings and the plurality of groups of chassis, a sleeve is movably sleeved on the outer side of the plurality of groups of the center rod, three groups of short rods are movably connected on the outer side of the plurality of groups of the sleeves, a plurality of groups of short rods are movably connected on the upper side of the plurality of groups of the short rods, and a fixed plate is movably connected on the lower side of the plurality of groups of the long rods.

[0006] Preferably, several groups of the sleeves are fixedly connected to the lower sides with lifting rods, several groups of the lifting rods are provided with sliding grooves on the lower sides, several groups of the chassis are fixedly connected to three groups of connecting plates at the lower ends near the outer sides, several groups of placing disks are fixedly provided at the lower ends of the connecting plates, several groups of the placing disks are movably provided with turntables on the inner sides, several groups of the turntables are provided with two groups of control grooves on the inner sides, several groups of the control grooves are movably provided with control blocks on the inner sides, several groups of the control blocks are fixedly connected to cross plates at the lower ends, and several groups of the placing disks are provided with square grooves at the positions corresponding to the two groups of cross plates.

[0007] Preferably, the fixed disc and the plurality of groups of vertical rods are an integral structure, and the rotating shaft of the cylinder is fixedly connected to the U-shaped frame.

[0008] Preferably, the telescopic rod of the third motor passes through the inner side of the upper fixed plate near the center and is fixedly connected to the connecting plate, and several groups of control rods pass through the inner side of the lower fixed plate and are movably connected thereto.

[0009] Preferably, the fixing cylinder, three groups of connecting rods, three groups of round rods, the circular ring and the chassis are fixedly connected, and the upper sides of the three groups of long rods are movably connected to the circular ring.

[0010] Preferably, the lifting rod is provided with three groups of openings at positions corresponding to the chassis, the lifting rod passes through the inner side of the placement plate near the center, and the turntable is movably connected to the slide groove.

[0011] Preferably, the control block is movably limited and arranged at the inner side of the control groove, and the cross plate is slidably limited and arranged at the inner side of the square groove.

[0012] Preferably, the lifting mechanism includes a driving assembly movably arranged on the inner side of the lifting frame, a main winding roller is fixedly arranged at the lower end of the driving assembly, a main cable is movably arranged on the outer side of the main winding roller, auxiliary winding rollers are fixedly arranged on the inner side of the lifting frame near both sides, a movable shaft is movably arranged on the inner sides of the main winding roller and the two groups of auxiliary winding rollers near the center, a first motor is fixedly installed at one end of one group near one side of the two groups of auxiliary winding rollers, auxiliary cables are movably arranged on the outer sides of the two groups of auxiliary winding rollers, slide rails are fixedly arranged on the inner side of the lifting frame near both sides, and the two groups The lower ends of the auxiliary cables are fixedly connected with sliders, the opposite ends of the two groups of sliders are fixedly provided with winding frames, the inner sides of the two groups of winding frames are movably provided with winding rollers, the outer sides of the two groups of winding rollers are movably provided with stabilizing cables, the inner sides of the lifting frame are movably provided with rotating shafts corresponding to the centers of the two groups of winding rollers, the upper ends of the two groups of rotating shafts are fixedly provided with single-head synchronous wheels, the upper end of the lifting frame is fixedly installed with a second motor near the middle position, the lower side of the second motor is fixedly connected with a double-head synchronous wheel, and two groups of synchronous belts are movably sleeved on the outer sides of the two groups of the second motors and the double-head synchronous wheels.

[0013] Preferably, the main winding roller is slidably arranged at an outer position of the movable shaft, and the main cable, two sets of stabilizing cables and the connecting frame are fixedly connected.

[0014] Preferably, the two groups of sliders are slidably arranged on the outer side of the slide rail, the two winding rollers are limitedly slidably arranged on the outer side of the two groups of rotating shafts, and the rotating shaft of the second motor passes through the upper side of the lifting frame and is connected to the double-headed synchronous wheel.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] When in use, first insert several groups of fixing plates into the circular holes of the graphite blocks placed on the upper side of the lifting frame, and start the third motor to make its telescopic rod drive the connecting plate to rise, and then make the connecting plate drive several groups of control rods to rise, so that it pulls several groups of sleeves to rise on the outside of several groups of center rods, and pulls the lower position of the short rods to rise through several groups of sleeves, thereby increasing the distance between the sleeves and the three groups of long rods, and cooperates with the circular ring to be movably connected with the three groups of long rods, so that the three groups of fixing plates are expanded, and the internal graphite blocks of the corresponding circular hole-type graphite heat exchangers are fixed, reducing the difficulties in dismantling and repairing due to the fact that it is easy to be damaged and has no hanging points, and avoiding the damage of the graphite blocks caused by the insertion of rod tools with rings in life into the side holes for lifting, thereby ensuring the normal use of the graphite blocks.

[0017] Several groups of lifting rods are driven to rise synchronously through several groups of sleeves. Through the movable connection between the slide groove and the turntable, the turntable is driven to rotate on the inner side of the placement plate during the rising process of the slide groove, so that the two groups of control grooves push the two groups of control blocks to expand, and the two groups of cross plates extend from the inner sides of the two groups of square grooves, thereby realizing protection for the round hole-type graphite blocks when lifting, avoiding accidental falling accidents, improving the safety of the staff below, and ensuring the safety of the graphite blocks themselves.

[0018] By starting the first motor to drive the movable shaft to rotate, the movable shaft drives the main winding roller and the two sets of auxiliary winding rollers to synchronously reel in the wires, so that the main cable drives the connecting frame to be lifted while the two sets of auxiliary cables pull the two sets of slide blocks to rise. While the main winding roller is driven by the driving component to slide on the outside of the first motor, the second motor is started in conjunction with two sets of single-head synchronous wheels, double-head synchronous wheels, and two sets of synchronous belts to make the two sets of rotating shafts rotate synchronously, and then the two sets of winding rollers rotate synchronously to reel in and release the two sets of stable cables, so that the two sets of stable cables and the main cables always pull the connecting rod straight to keep it balanced, thereby ensuring the stability of the lifting and positioning device, facilitating the stacking of graphite blocks with no error and little shaking, thereby avoiding collision of the graphite blocks during the stacking process and facilitating mutual positioning and docking.

[0019] By starting the cylinder, its rotating shaft drives the U-shaped frame to rotate, and then the upper fixed plate rotates on the lower side of several groups of vertical rods, and finally the fixed round hole graphite blocks are driven to rotate through the lower fixed plate and several groups of fixed plates. After the equipment lifts the graphite block, it can drive the graphite block to rotate flexibly, thereby improving the overall flexibility and facilitating the angle adjustment of the graphite block during the alignment and stacking process, making it easy to operate at high places and saving manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 It is a schematic diagram of the fixing mechanism structure of the present invention.

[0022] Figure 3 The partial cutaway structure diagram of the fixing mechanism of the present invention is shown in FIG. Figure 1 .

[0023] Figure 4 The partial cutaway structure diagram of the fixing mechanism of the present invention is shown in FIG. Figure 2 .

[0024] Figure 5 It is a schematic diagram of the enlarged structure of part A of the present invention.

[0025] Figure 6 It is a schematic diagram of the enlarged structure of part B of the present invention.

[0026] Figure 7 It is a schematic diagram of the partial cutaway rear view of the lifting mechanism of the present invention.

[0027] Figure 8 It is a schematic diagram of the enlarged structure of the C part of the present invention.

[0028] In the figure: 1. lifting frame; 2. universal wheel; 3. lifting mechanism; 31. driving assembly; 32. main winding roller; 33. main cable; 34. secondary winding roller; 35. movable shaft; 36. first motor; 37. secondary cable; 38. slide rail; 39. slider; 310. winding frame; 311. winding roller; 312. stabilizing cable; 313. rotating shaft; 314. single-head synchronous wheel; 315. second motor; 316. double-head synchronous wheel; 317. synchronous belt; 4. fixing mechanism; 41. connecting frame; 42. fixing disc; 43. cylinder; 44. U-shaped frame; 45. vertical rod; 46. ​​Upper fixed plate; 47. Limiting groove; 48. Fixed block; 49. Lower fixed plate; 410. Third motor; 411. Connecting plate; 412. Control rod; 413. Fixed cylinder; 414. Connecting rod; 415. Round rod; 416. Ring; 417. Chassis; 418. Center rod; 419. Sleeve; 420. Short rod; 421. Long rod; 422. Fixed plate; 423. Lifting rod; 424. Slide; 425. Connecting plate; 426. Placement plate; 427. Turntable; 428. Control groove; 429. Control block; 430. Cross plate; 431. Square groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are relative relationships of directions or positions, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] See also Figure 1-8 The present invention provides an embodiment: a device for lifting a round block hole type graphite heat exchanger into position, comprising a lifting frame 1, four sets of universal wheels 2 are fixedly installed on the lower side of the lifting frame 1, a lifting mechanism 3 is arranged on the inner side of the lifting frame 1, a fixing mechanism 4 is arranged on the inner side of the lifting mechanism 3 near the lower side, the fixing mechanism 4 comprises a connecting frame 41 fixedly arranged on the inner side of the lifting mechanism 3 near the lower side, a fixing disc 42 is fixedly arranged on the lower end of the connecting frame 41, and a fixing disc 42 is fixedly installed on the lower end of the fixing disc 42 near the center. The cylinder 43 is fixedly connected to a U-shaped frame 44 at the lower side of the cylinder 43. A plurality of groups of vertical rods 45 are fixedly connected to the lower end of the fixed disc 42 near the edge. An upper fixed disc 46 is fixedly connected to the lower end of the U-shaped frame 44. A limiting groove 47 is provided on the inner side of the upper fixed disc 46 corresponding to the positions of the plurality of groups of vertical rods 45. A plurality of groups of fixed blocks 48 are fixedly provided at the lower end of the upper fixed disc 46 near the outer side. A lower fixed disc 49 is fixedly provided at the lower end of the plurality of groups of fixed blocks 48. A plurality of groups of fixed discs 49 are fixedly provided at the upper end of the upper fixed disc 46 near the center. A third motor 410 is fixedly installed, a connecting plate 411 is fixedly connected to the lower side of the third motor 410, a plurality of control rods 412 are fixedly arranged at the lower end of the connecting plate 411, a fixing cylinder 413 is fixedly arranged at the lower end of the lower fixing plate 49 near the outer side of the plurality of control rods 412, three connecting rods 414 are fixedly arranged at the inner side of the plurality of fixing cylinders 413 near the lower side, a round rod 415 is fixedly connected to one side of the plurality of fixing cylinders 413, and the upper ends of the plurality of round rods 415 are fixedly connected to the Several groups of circular rings 416 are connected, several groups of chassis 417 are fixedly connected to the lower ends of several groups of circular rods 415, center rods 418 are fixedly connected between several groups of circular rings 416 and several groups of chassis 417, sleeves 419 are movably sleeved on the outer sides of several groups of center rods 418, three groups of short rods 420 are movably connected to the outer sides of several groups of sleeves 419, long rods 421 are movably connected to the upper sides of several groups of short rods 420, and fixed plates 422 are movably connected to the lower sides of several groups of long rods 421.

[0032] The lower sides of several groups of sleeves 419 are fixedly connected with lifting rods 423, and the lower sides of several groups of lifting rods 423 are provided with sliding grooves 424. The lower ends of several groups of chassis 417 are fixedly connected with three groups of connecting plates 425 near the outer sides. Several groups of placing plates 426 are fixedly provided at the lower ends of several groups of connecting plates 425. Several groups of placing plates 426 are movably provided with rotating disks 427 on the inner sides. Several groups of rotating disks 427 are provided with two groups of control grooves 428 on the inner sides. Several groups of control grooves 428 are movably provided with control blocks 429 on the inner sides. Several groups of control blocks 429 are fixedly connected with horizontal plates 430 on the lower ends. Several groups of placing plates 426 are provided with square grooves 431 on the inner sides corresponding to the two groups of horizontal plates 430. The fixed disc 42 and several groups of vertical rods 45 are an integrated structure. The rotating shaft of 3 is fixedly connected to the U-shaped frame 44, the telescopic rod of the third motor 410 penetrates the inner side of the upper fixed plate 46 near the center and is fixedly connected to the connecting plate 411, several groups of control rods 412 penetrate the inner side of the lower fixed plate 49 and are movably connected thereto, the fixed cylinder 413, three groups of connecting rods 414, three groups of round rods 415, the ring 416, and the chassis 417 are fixedly connected, the upper sides of the three groups of long rods 421 are movably connected to the ring 416, the lifting rod 423 is provided with three groups of openings corresponding to the position of the chassis 417, the lifting rod 423 penetrates the inner side of the placement plate 426 near the center, the rotating disk 427 is movably connected to the slide groove 424, the control block 429 is limited and movably set at the inner side of the control groove 428, and the cross plate 430 is limited and slidably set at the inner side of the square groove 431.

[0033] When in use, firstly, several groups of fixing plates 422 are inserted into the circular holes of the graphite blocks placed on the upper side of the lifting frame, and by starting the third motor 410, the telescopic rod drives the connecting plate 411 to rise, and then the connecting plate 411 drives several groups of control rods 412 to rise, so that it pulls several groups of sleeves 419 to rise on the outside of several groups of center rods 418, and pulls the lower position of the short rod 420 to rise through several groups of sleeves 419, thereby increasing the distance between the sleeves 419 and the three groups of long rods 421, and cooperates with the circular ring 416 to be movably connected with the three groups of long rods 421, so that the three groups of fixing plates 422 are expanded, and the internal graphite blocks of the corresponding circular hole-type graphite heat exchanger are fixed, reducing the difficulties in dismantling and repairing due to its own easy damage and lack of hanging points, avoiding the damage of the graphite blocks caused by the insertion of the rod tools with rings in life into the side holes for lifting, thereby ensuring the normal use of the graphite blocks, and in addition, driving several groups of lifting rods 4 23 is synchronously raised, and the slide groove 424 is connected with the rotating disk 427 through the movable connection. During the rising process of the slide groove 424, the rotating disk 427 is driven to rotate on the inner side of the placing disk 426, so that the two groups of control grooves 428 push the two groups of control blocks 429 to expand, and the two groups of cross plates 430 extend from the inner sides of the two groups of square grooves 431, so as to protect the round hole graphite blocks during lifting, avoid accidental falling accidents, and improve the safety of the staff below, while ensuring the safety of the graphite blocks themselves. Finally, by starting the cylinder 43, its rotating shaft drives the U-shaped frame 44 to rotate, and then the upper fixed plate 46 rotates on the lower side of the plurality of groups of vertical rods 45, and finally the fixed round hole graphite blocks are driven to rotate through the lower fixed plate 49 and the plurality of groups of fixed plates 422, so that after the equipment lifts the graphite blocks, the graphite blocks can be driven to rotate flexibly, thereby improving the overall flexibility, facilitating the angle adjustment of the graphite blocks during the alignment and stacking process, making it convenient to operate at high places and saving manpower.

[0034] The lifting mechanism 3 includes a driving assembly 31 movably arranged on the inner side of the lifting frame 1, a main winding roller 32 is fixedly arranged at the lower end of the driving assembly 31, a main cable 33 is movably arranged on the outer side of the main winding roller 32, auxiliary winding rollers 34 are fixedly arranged on the inner side of the lifting frame 1 near both sides, a movable shaft 35 is movably arranged on the inner side of the main winding roller 32 and the two groups of auxiliary winding rollers 34 near the center, a first motor 36 is fixedly installed at one end of one group near one side of the two groups of auxiliary winding rollers 34, auxiliary cables 37 are movably arranged on the outer side of the two groups of auxiliary winding rollers 34, slide rails 38 are fixedly arranged on the inner side of the lifting frame 1 near both sides, the lower ends of the two groups of auxiliary cables 37 are fixedly connected to sliders 39, the opposite ends of the two groups of sliders 39 are fixedly arranged with winding frames 310, the inner sides of the two groups of winding frames 310 are movably provided with winding rollers 311, and the two groups of winding rollers 311 are fixedly arranged. The outer side of each of the two groups of winding rollers 311 is movably provided with a stabilizing cable 312, the inner side of the lifting frame 1 is movably provided with a rotating shaft 313 at the center corresponding to the two groups of winding rollers 311, the upper ends of the two groups of rotating shafts 313 are fixedly provided with a single-head synchronous wheel 314, the upper end of the lifting frame 1 is fixedly installed with a second motor 315 near the middle position, the lower side of the second motor 315 is fixedly connected with a double-head synchronous wheel 316, the two groups of second motors 315 and the outer sides of the double-head synchronous wheel 316 are movably sleeved with two groups of synchronous belts 317, the main winding roller 32 is slidably set at the outer side of the movable shaft 35, the main cable 33 and the two groups of stabilizing cables 312 are fixedly connected to the connecting frame 41, the two groups of sliders 39 are slidably set at the outer side of the slide rail 38, the two winding rollers 311 are limitedly slidably set on the outer sides of the two groups of rotating shafts 313, and the rotating shaft of the second motor 315 passes through the upper side of the lifting frame 1 and is connected with the double-head synchronous wheel 316.

[0035] By starting the first motor 36 to drive the movable shaft 35 to rotate, the movable shaft 35 drives the main winding roller 32 and the two sets of auxiliary winding rollers 34 to synchronously reel in the wires, so that the main cable 33 drives the connecting frame 41 to be lifted while the two sets of auxiliary cables 37 pull the two sets of sliders 39 to rise. While the main winding roller 32 is driven by the driving component 31 to slide on the outside of the first motor 36, the second motor 315 is started to cooperate with the use of two sets of single-head synchronous wheels 314, double-head synchronous wheels 316, and two sets of synchronous belts 317, so that the two sets of rotating shafts 313 are synchronously rotated, and then the two sets of winding rollers 311 are synchronously rotated, and the two sets of stabilizing cables 312 are reeled in and out, so that the two sets of stabilizing cables 312 and the main cables 33 always straighten the connecting rod 414 to keep it balanced, thereby ensuring the stability of the lifting and positioning device, facilitating the stacking of graphite blocks without any error, and with little shaking, thereby avoiding the collision of the graphite blocks during the stacking process, and facilitating mutual positioning and docking.

[0036] Working principle:

[0037] When in use, firstly insert several groups of fixing plates 422 into the circular holes of the graphite blocks placed on the upper side of the lifting frame, and start the third motor 410 to make its telescopic rod drive the connecting plate 411 to rise, and then make the connecting plate 411 drive several groups of control rods 412 to rise, so that it pulls several groups of sleeves 419 to rise on the outside of several groups of center rods 418, and pulls the lower position of the short rod 420 to rise through several groups of sleeves 419, thereby increasing the distance between the sleeves 419 and the three groups of long rods 421, and cooperates with the circular ring 416 to be movably connected with the three groups of long rods 421, so that the three groups of fixing plates 422 are expanded, and the corresponding circular block hole type graphite heat exchanger is provided with internal graphite blocks. Fixation is reduced due to the fact that it is easy to be damaged and has no hanging points. , and the difficulties in dismantling and repairing are avoided, and the graphite block is damaged when the rod-like tools with rings are inserted into the side holes for lifting, thereby ensuring the normal use of the graphite block. In addition, several groups of sleeves 419 drive several groups of lifting rods 423 to rise synchronously, and the slide groove 424 is connected with the rotating disk 427 through the movable connection. During the rising process of the slide groove 424, the rotating disk 427 is driven to rotate on the inner side of the placement plate 426, so that the two groups of control grooves 428 push the two groups of control blocks 429 to expand, and the two groups of cross plates 430 extend from the inner sides of the two groups of square grooves 431, so as to realize the protection of the round hole graphite block when lifting, avoid accidental falling accidents, improve the safety of the staff below, and at the same time ensure the safety of the graphite block itself. Then, the first motor 36 is started to drive the movable shaft 35 to rotate, and then the movable shaft 35 drives the main winding roller 32 and the two sets of auxiliary winding rollers 34 to synchronously reel in the wires, so that the main cable 33 drives the connecting frame 41 to be lifted, and at the same time, the two sets of auxiliary cables 37 pull the two sets of sliders 39 to rise. While the main winding roller 32 is driven to slide on the outside of the first motor 36 by the driving component 31, the second motor 315 is started to cooperate with the use of two sets of single-head synchronous wheels 314, double-head synchronous wheels 316, and two sets of synchronous belts 317, so that the two sets of rotating shafts 313 are synchronously rotated, and then the two sets of winding rollers 311 are synchronously rotated, and the two sets of stable cables 312 are reeled in and released, so that the two sets of stable cables 312 are connected to the main cable 33. The rod 414 is always pulled straight to keep it balanced, thereby ensuring the stability of the lifting and positioning device, facilitating the stacking of graphite blocks with no error and little shaking, thereby avoiding collision of the graphite blocks during the stacking process and facilitating mutual positioning and docking. Finally, the cylinder 43 is started to drive the U-shaped frame 44 to rotate with its rotating shaft, thereby causing the upper fixed plate 46 to rotate on the lower side of several groups of vertical rods 45, and finally driving the fixed round hole graphite block to rotate through the lower fixed plate 49 and several groups of fixed plates 422, so that the equipment can drive the graphite block to rotate flexibly after lifting the graphite block, thereby improving the overall flexibility and facilitating the angle adjustment of the graphite block during the alignment and stacking process, making it easy to operate at high places and saving manpower.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for lifting a round block hole type graphite heat exchanger into position, comprising a lifting frame (1), characterized in that: Four sets of universal wheels (2) are fixedly mounted on the lower side of the lifting frame (1); a lifting mechanism (3) is arranged on the inner side of the lifting frame (1); a fixing mechanism (4) is arranged on the inner side of the lifting mechanism (3) near the lower side; the fixing mechanism (4) comprises a connecting frame (41) fixedly mounted on the inner side of the lifting mechanism (3) near the lower side; a fixing disc (42) is fixedly mounted on the lower end of the connecting frame (41); a cylinder (43) is fixedly mounted on the lower end of the fixing disc (42) near the center; a U-shaped frame (44) is fixedly connected to the lower side of the cylinder (43); the fixing disc (42) is fixedly mounted on the lower side of the fixing disc (42); a fixing disc (42) is fixedly mounted on the lower side of the fixing disc (42); a fixing disc (42) is fixedly mounted on the lower side of the fixing disc (42); a fixing disc (42) is fixedly mounted on the lower side of the fixing disc (42); a fixing disc (42) is fixedly mounted on the lower side of the fixing disc (42) near the center; a fixing disc (42) is fixedly mounted on the lower side of the fixing disc (42); a fixing disc (42) is fixedly mounted on the lower side of the fixing disc (42); a fixing disc (42) is fixedly mounted on the lower side of the fixing disc (42); ... ) is fixedly connected to a plurality of groups of vertical rods (45) at the lower end near the edge, the lower end of the U-shaped frame (44) is fixedly connected to an upper fixed plate (46), the inner side of the upper fixed plate (46) is provided with a limiting groove (47) corresponding to the position of the plurality of groups of vertical rods (45), the lower end of the upper fixed plate (46) is fixedly provided with a plurality of groups of fixing blocks (48) at the outer position, the lower end of the plurality of groups of the fixing blocks (48) is fixedly provided with a lower fixing plate (49), the upper end of the upper fixed plate (46) is fixedly installed with a third motor (410) near the center, and the lower side of the third motor (410) is fixedly connected to a connecting rod (49). A connecting plate (411), wherein a plurality of control rods (412) are fixedly arranged at the lower end of the connecting plate (411), a fixing cylinder (413) is fixedly arranged at the lower end of the lower fixing plate (49) near the outer side of the plurality of control rods (412), three connecting rods (414) are fixedly arranged at the inner side of the plurality of fixing cylinders (413) near the lower side, a round rod (415) is fixedly connected to one side of the plurality of fixing cylinders (413), a plurality of circular rings (416) are fixedly connected to the upper ends of the plurality of circular rods (415), and a plurality of circular rings (416) are fixedly connected to the lower ends of the plurality of circular rods (415). A plurality of groups of chassis (417), a central rod (418) is fixedly connected between the plurality of groups of circular rings (416) and the plurality of groups of chassis (417), a sleeve (419) is movably sleeved on the outer side of the plurality of groups of central rods (418), three groups of short rods (420) are movably connected on the outer side of the plurality of groups of sleeves (419), the upper side of the three groups of short rods (420) is movably connected to a long rod (421), the lower side of the three groups of long rods (421) is movably connected to a fixed plate (422), and the control rod (412) pulls the sleeve (419) to rise on the outer side of the central rod (418); The lower sides of several groups of the sleeves (419) are fixedly connected with lifting rods (423), the lower sides of several groups of the lifting rods (423) are provided with sliding grooves (424), the lower ends of several groups of the chassis (417) are fixedly connected with three groups of connecting plates (425) near the outer sides, the lower ends of several groups of the connecting plates (425) are fixedly provided with several groups of placement plates (426), the inner sides of several groups of the placement plates (426) are movably provided with rotating disks (427), the inner sides of several groups of the rotating disks (427) are provided with two groups of control grooves (428), the inner sides of several groups of the control grooves (428) are movably provided with control blocks (429), the lower ends of several groups of the control blocks (429) are fixedly connected with transverse plates (430), and the inner sides of several groups of the placement plates (426) are provided with square grooves (431) at positions corresponding to the two groups of transverse plates (430).

2. The device for lifting and placing a round block hole type graphite heat exchanger according to claim 1 is characterized in that: The fixed disc (42) and the plurality of groups of vertical rods (45) are an integral structure, and the rotating shaft of the cylinder (43) is fixedly connected to the U-shaped frame (44).

3. The device for lifting and placing a round block hole type graphite heat exchanger according to claim 1 is characterized in that: The telescopic rod of the third motor (410) passes through the inner side of the upper fixed plate (46) near the center and is fixedly connected to the connecting plate (411), and a plurality of groups of control rods (412) pass through the inner side of the lower fixed plate (49) and are movably connected thereto.

4. The device for lifting and placing a round block hole type graphite heat exchanger according to claim 1 is characterized in that: The upper sides of the three groups of long rods (421) are movably connected to the circular ring (416).

5. The device for lifting and placing a round block hole type graphite heat exchanger according to claim 1 is characterized in that: The lifting rod (423) is provided with three groups of openings at positions corresponding to the chassis (417). The lifting rod (423) passes through the inner side of the placement plate (426) near the center. The rotating plate (427) and the slide groove (424) are movably connected.

6. The device for lifting and placing a round block hole type graphite heat exchanger according to claim 1 is characterized in that: The control block (429) is movably limited and disposed at an inner position of the control groove (428), and the transverse plate (430) is slidably limited and disposed at an inner position of the square groove (431).

7. The device for lifting and placing a round block hole type graphite heat exchanger according to claim 1 is characterized in that: The lifting mechanism (3) comprises a driving assembly (31) movably arranged at an inner side position of the lifting frame (1); a main winding roller (32) is fixedly arranged at the lower end of the driving assembly (31); a main cable (33) is movably arranged on the outer side of the main winding roller (32); auxiliary winding rollers (34) are fixedly arranged on the inner side of the lifting frame (1) near both sides; a movable shaft (35) is movably arranged on the inner side of the main winding roller (32) and the two groups of auxiliary winding rollers (34) near the center; a first motor (36) is fixedly installed at one end of one group near one side of the two groups of auxiliary winding rollers (34); auxiliary cables (37) are movably arranged on the outer side of the two groups of auxiliary winding rollers (34); slide rails (38) are fixedly arranged on the inner side of the lifting frame (1) near both sides; the lower ends of the two groups of auxiliary cables (37) are fixedly arranged. A slider (39) is connected, and a winding frame (310) is fixedly provided at the opposite end of the two groups of sliders (39), and a winding roller (311) is movably provided on the inner side of the two groups of winding frames (310), and a stabilizing cable (312) is movably provided on the outer side of the two groups of winding rollers (311). A rotating shaft (313) is movably provided at the inner side of the lifting frame (1) corresponding to the center of the two groups of winding rollers (311), and a single-head synchronous wheel (314) is fixedly provided on the upper end of the two groups of rotating shafts (313). A second motor (315) is fixedly installed near the middle position of the upper end of the lifting frame (1), and a double-head synchronous wheel (316) is fixedly connected to the lower side of the second motor (315), and two groups of synchronous belts (317) are movably sleeved on the outer sides of the two groups of single-head synchronous wheels (314) and the double-head synchronous wheels (316).

8. The device for lifting and placing a round block hole type graphite heat exchanger according to claim 7 is characterized in that: The main winding roller (32) is slidably disposed at an outer position of the movable shaft (35), and the main cable (33), two sets of stabilizing cables (312) and the connecting frame (41) are fixedly connected.

9. The device for lifting and placing a round block hole type graphite heat exchanger according to claim 7 is characterized in that: The two groups of sliders (39) are slidably arranged at the outer sides of the slide rail (38), the two winding rollers (311) are limitedly slidably arranged at the outer sides of the two groups of rotating shafts (313), and the rotating shaft of the second motor (315) passes through the upper side of the lifting frame (1) and is connected to the double-head synchronous wheel (316).

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