Hoisting machine for transferring large glass-lined reaction kettle

Abstract

The invention discloses a hoisting machine for transferring a large glass lining reaction kettle, and relates to the technical field of reaction kettle transportation equipment.The hoisting machine comprises a hoisting assembly, the hoisting assembly comprises two sliding rails, the outer walls of the two sliding rails are slidably connected with a transverse moving assembly, the transverse moving assembly comprises an electric hoist, and the electric hoist is connected with a hook through a steel chain; the hook is connected with a detection assembly, a clamping assembly is fixedly installed at the bottom end of the detection assembly, a plurality of trigger assemblies are installed on the circumference of the outer wall of the clamping assembly at equal intervals, and a plurality of safety assemblies are installed on the circumference of the outer wall of the airtight ring at equal intervals. The flexible clamping process can be completed without depending on manual intervention, and the hoisting efficiency is improved; and meanwhile, the detection assembly feeds back the weight information of the reaction kettle through a slide rheostat and indirectly regulates and controls the power of an air pump, so that the weight self-adaptive clamping function is achieved, insufficient clamping or excessive expansion is effectively avoided, and the use adaptability and energy consumption control are both considered.

Description

Technical Field

[0001] The present invention relates to the technical field of reactor transportation equipment, and particularly to a hoisting machine for transporting large enamel reactors. Background Technique

[0002] As a commonly used large pressure vessel in industries such as chemical engineering, pharmaceuticals, and food, the enamel reactor has advantages such as strong corrosion resistance and good sealing performance, and is widely used in the stirring, mixing, and reaction processes of various materials. During equipment installation, maintenance, or transportation, it is usually necessary to hoist this type of reactor. However, the existing hoisting methods mostly rely on manual operation in cooperation with lifting machinery, which not only has poor hoisting accuracy and low positioning efficiency, but also is prone to knocking or scratching the kettle body during the grasping process. Especially when facing large kettle bodies of various specifications and different weights, it is difficult for traditional clamping structures to achieve universal clamping, resulting in potential safety hazards and efficiency bottlenecks. In addition, most of the existing hoisting equipment lacks the detection and adjustment capabilities linked to the state of the object being hoisted, and cannot automatically adjust the clamping force according to different weights, easily resulting in problems such as insecure clamping or overpressure damage, seriously restricting the safe hoisting and intelligent development needs of large chemical equipment. In summary, there is an urgent need for a hoisting device with a stable structure, flexible clamping, controllable actions, and the capabilities of safety linkage and intelligent adjustment to meet the safe and efficient transportation needs of equipment such as large enamel reactors.

[0003] After retrieval, the invention patent with the publication number of CN116812732A in the prior art discloses a hoisting mechanism for transporting large enamel reactors and its use method, including a kettle body and a connecting piece. The hoisting mechanism includes: a hoisting component, which is used to more conveniently hoist the enamel reactor; a buffer component, which is used to buffer when lowering the enamel reactor. In this solution, the first electric push rod is started to drive the movable ring to move downward until it is below the hoisting base. A gap for inserting the block is left between the movable ring and the hoisting piece. The first spring supports the movable rod and the block to extend out of the movable groove, and the block moves into the hoisting groove. The hoisting piece is clamped by the block to fix between the hoisting shell and the lifting lug. When transporting the reactor, the hoisting shell can be more conveniently and quickly connected to the kettle body, making the installation of the hoisting mechanism more convenient, shortening the installation time of the hoisting mechanism, and improving the hoisting efficiency.

[0004] Therefore, based on the above retrieval and in combination with the existing technology, there is a conventional lifting mechanism for transporting large enamel reactors and its usage method. This device mainly relies on the mechanical insertion between the clamping blocks, lifting slots, and lifting lugs to achieve lifting and fixation. This method has high requirements for the dimensional tolerance of the contact, and cannot adapt to reactor bodies of different sizes or deformations. At the same time, it does not provide a perception and feedback mechanism for load changes, air pressure control, or clamping force during the lifting process, resulting in potential safety hazards such as equipment damage caused by excessive clamping force or falling off caused by too small clamping force. Summary of the Invention

[0005] The purpose of the present invention is to provide a lifting machine for transporting large enamel reactors to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the present invention provides the following technical solution: It includes a lifting assembly. The lifting assembly includes two sliding rails. A transverse movement assembly is slidably connected to the outer walls of the two sliding rails. The transverse movement assembly includes an electric hoist. The electric hoist is connected to a hook through a steel chain. A detection assembly is fixedly installed on the hook. A clamping assembly is fixedly installed at the bottom end of the detection assembly. The clamping assembly is used to clamp and fix the reactor body. The clamping assembly includes an airtight ring. A number of trigger assemblies are equidistantly installed on the outer circumference of the airtight ring. A number of safety insurance assemblies are equidistantly installed on the outer circumference of the airtight ring.

[0007] As a further solution of the present invention, the transverse movement assembly further includes a second moving vehicle. The second moving vehicle is connected to the sliding rail through moving wheels. The moving wheels are driven by a DC motor. A rotary jib assembly is installed on the bottom surface of the second moving vehicle. The rotary jib assembly can rotate around a vertical axis on the top of the crossbeam. The electric hoist is mounted at the bottom end of the rotary jib assembly. The lifting range of the electric hoist is extended through the movement of the rotary jib assembly.

[0008] As a further solution of the present invention, the detection assembly includes an installation cylinder. A first piston is slidably connected inside the installation cylinder. A connecting detection rod is welded and fixed at the center of the top surface of the first piston. The top end of the connecting detection rod passes through the top wall of the installation cylinder and is fixedly connected to the hook.

[0009] As a further solution of the present invention, a first spring is sleeved on the outer wall of the connecting detection rod. The bottom end of the first spring abuts against the top surface of the first piston. The top end of the first spring abuts against the inner top surface of the installation cylinder. A sliding rheostat is fixedly installed on the outer wall of the installation cylinder. A chute is opened on the outer wall of the installation cylinder. An extension rod is welded on the outer wall of the first piston. The first piston passes through the chute through the extension rod and is fixedly connected to the variable resistance needle of the sliding rheostat.

[0010] As a further solution of the present invention, a mounting plate is fixedly welded to the top surface of the airtight ring. The top surface of the mounting plate is fixedly connected to the bottom surface of the mounting cylinder by bolts. A mounting seat is fixedly welded to the outer wall of the airtight ring. The air pump body is fixedly mounted on the top surface of the mounting seat by bolts. An annular airbag for clamping the reaction kettle body is fixedly mounted on the inner wall of the airtight ring.

[0011] As a further solution of the present invention, a plurality of air inlet pipes are equidistantly installed on the inner wall circumference of the airtight ring. The air inlet pipes are used to connect the inside of the airtight ring with the inside of the annular airbag. Ball valves are slidably installed in a plurality of air inlet pipes, and a second spring is fixedly installed on the outer wall of the ball valve.

[0012] As a further solution of the present invention, the triggering assembly includes a triggering rod. The triggering rod is slidably installed on the outer wall of the airtight ring. A fixing ring is fixedly installed on the outer wall of the triggering rod, and a triggering rope is fixedly connected to the outer wall of the fixing ring.

[0013] As a further solution of the present invention, one end of the triggering rope away from the fixing ring passes through the outer wall of the airtight ring and is connected to the ball valve. An airtight sleeve for improving the airtightness inside the airtight ring is installed at the connection between the triggering rope and the inner wall of the airtight ring.

[0014] As a further solution of the present invention, the insurance assembly includes an air cylinder and an insurance rod. A plurality of first rotating brackets are equidistantly arranged on the circumference of the top end of the outer wall of the airtight ring. A plurality of second rotating brackets are equidistantly arranged on the circumference of the bottom surface of the airtight ring. The positions of a plurality of second rotating brackets correspond to those of a plurality of first rotating brackets. The top end of the air cylinder is hinged to the end of the first rotating bracket. The top end of the air cylinder is connected to the outer wall of the airtight ring through a hose.

[0015] As a further solution of the present invention, a second piston rod is slidably installed in the air cylinder. A third spring is sleeved on the outer wall of the second piston rod. The insurance rod is rotatably connected to the end of the second rotating bracket. The insurance rod includes a driving rod and an arc rod. The end of the driving rod is hinged to the end of the second piston rod.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. During the use of the present invention, by adopting a hoisting structure and cooperating with the cooperation relationship between the first mobile vehicle and the sliding box, the screw is driven to rotate by the stepping motor to realize the forward and backward linear movement of the sliding rail. At the same time, a second mobile vehicle is arranged on the sliding rail. A slewing jib assembly is installed on the bottom surface of the second mobile vehicle. The jib can rotate around the vertical axis on the top of the cross beam. The electric hoist is mounted on the end of the jib. The hoisting range of the electric hoist is expanded through the movement of the jib. The structure layout is compact and the movement accuracy is high, which is convenient for realizing the precise positioning and hoisting operation of large reaction kettles; 2. During the use of the present invention, through the clamping assembly composed of an airtight ring and an internal annular airbag, and through the trigger assembly to achieve automatic triggering and closed-loop control, it can complete the flexible clamping process without relying on manual intervention, improving the lifting efficiency; at the same time, the detection assembly feeds back the weight information of the reaction kettle through a sliding rheostat, indirectly regulating the power of the air pump, so that the expansion degree of the airbag matches the mass of the reaction kettle, thereby realizing the weight-adaptive clamping function, effectively avoiding insufficient clamping or over-expansion, and taking into account the use adaptability and energy consumption control; 3. During the use of the present invention, through the linkage intervention of the insurance assembly, when the air pressure reaches the set value, the air cylinder and the second piston rod drive the insurance rod to flip, so that the roller on the arc rod forms a physical lift on the bottom of the reaction kettle, realizing multiple redundant protections; at the same time, when the air pressure is too high, the pressure relief hole can automatically release the gas to prevent the airbag or other components from being damaged due to overpressure, greatly improving the equipment safety and use reliability during the lifting process. After the lifting is completed, the entire system can automatically release the clamping and insurance mechanisms to complete the working closed-loop, with convenient operation and high automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram of the present invention; Figure 2 is the overall structural explosion diagram of the present invention; Figure 3 is the structural explosion diagram of the gantry assembly of the present invention; Figure 4 is the structural schematic diagram of the lateral movement assembly of the present invention; Figure 5 is the structural schematic diagram of the detection assembly of the present invention; Figure 6 is the structural explosion diagram of the detection assembly of the present invention; Figure 7 is the partial structural schematic diagram of the clamping assembly of the present invention; Figure 8 is the front view of the partial structure of the clamping assembly of the present invention; Figure 9 is the partial structural explosion diagram of the clamping assembly of the present invention; Figure 10 is the part drawing of the airtight ring structure of the present invention; Figure 11 is the partial structural sectional view of the clamping assembly of the present invention; Figure 12 is Figure 11 the enlarged view at A in Figure 13 is the structural explosion diagram of the insurance assembly of the present invention.

[0018] In the figure: 1. Lifting assembly; 11. Sliding rail; 112. Steel frame; 113. First moving vehicle; 12. Sliding box; 13. Screw rod; 14. Stepper motor; 2. Lateral moving assembly; 21. Second moving vehicle; 22. DC motor; 23. Electric hoist; 24. Steel chain; 25. Hook; 3. Detection assembly; 31. Installation cylinder; 311. Extension plate; 32. First piston; 321. Connecting detection rod; 33. First spring; 34. Slide rheostat; 4. Clamping assembly; 41. Airtight ring; 411. Installation plate; 412. Installation seat; 413. Sliding cylinder; 414. Air inlet pipe; 415. First rotating bracket; 416. Second rotating bracket; 42. Air pump body; 43. Annular airbag; 44. Ball valve; 45. Second spring; 46. Airtight sleeve; 5. Reactor body; 6. Trigger assembly; 61. Trigger rod; 62. Fixed ring; 63. Trigger rope; 7. Insurance assembly; 71. Air cylinder; 711. Pressure relief hole; 72. Second piston rod; 73. Third spring; 74. Insurance rod; 741. Driving rod; 742. Arc rod; 75. Roller. Specific implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Example 1, please refer to Figures 1 to 9, A hoisting machine for transporting a large enamel reactor, comprising a hoisting assembly 1. The hoisting assembly 1 includes two sliding rails 11. Specifically, steel frames 112 are welded together at both the left and right ends of the two sliding rails 11. At the bottom ends of the two steel frames 112, first moving vehicles 113 are installed. The two first moving vehicles 113 slide in two sliding boxes 12 respectively. The two sliding boxes 12 are fixedly connected to the ground. A screw rod 13 is rotatably connected inside the sliding box 12. The rear end of the screw rod 13 passes through the side wall of the sliding box 12 and is coaxially fixedly connected to a stepping motor 14. The stepping motor 14 is fixedly installed on the rear end face of the sliding box 12 by bolts. The model of the stepping motor 14 is 86CME45. An internally threaded sleeve is welded and fixed to the bottom surface of the first moving vehicle 113. The internally threaded sleeve is threadedly connected to the screw rod 13. By driving the screw rod 13 to rotate through the stepping motor 14, the screw rod 13 drives the first moving vehicle 113 to move linearly inside the sliding box 12, indirectly driving the sliding rail 11 to move. A transverse moving assembly 2 is slidably connected to the outer walls of the two sliding rails 11. The transverse moving assembly 2 includes an electric hoist 23. The electric hoist 23 is connected to a hook 25 through a steel chain 24. A detection assembly 3 is fixedly installed on the hook 25. A clamping assembly 4 is fixedly installed at the bottom end of the detection assembly 3. The clamping assembly 4 is used to clamp and fix the reactor body 5. The clamping assembly 4 includes an airtight ring 41. A number of trigger assemblies 6 are equidistantly installed on the outer circumference of the airtight ring 41. A number of safety assemblies 7 are equidistantly installed on the outer circumference of the airtight ring 41. Specifically, the number of safety assemblies 7 and the number of trigger assemblies 6 are installed alternately to avoid interference.

[0021] The transverse moving assembly 2 further includes a second moving vehicle 21. The second moving vehicle 21 is connected to the sliding rail 11 through moving wheels. The moving wheels are driven by a DC motor 22. A slewing jib assembly is installed on the bottom surface of the second moving vehicle 21. The slewing jib assembly can rotate around a vertical axis on the top of the cross beam. Specifically, the slewing jib assembly is driven by a slewing motor. The model of the slewing motor is MHMF012L1V2M. The model of the DC motor 22 is CCL36070C1-1000M-24-6-GS. By driving the second moving vehicle 21 to move left and right on the outer wall of the sliding rail 11 through the DC motor 22, the slewing jib assembly and the electric hoist 23 are indirectly driven to move left and right. The electric hoist 23 drives the reactor body 5 to move synchronously through the steel chain 24 and the hook 25. The electric hoist 23 is hung at the bottom end of the slewing jib assembly. The hoisting range of the electric hoist 23 is expanded through the movement of the slewing jib assembly.

[0022] Example 2, please refer to Figures 3 to 6, A hoisting machine for transporting a large enamel reactor, which is different from that of Embodiment 1 in that the detection component 3 includes an installation cylinder 31. A first piston 32 is slidably connected in the installation cylinder 31. A connection detection rod 321 is fixedly welded to the center of the top surface of the first piston 32. The top end of the connection detection rod 321 passes through the top wall of the installation cylinder 31 and is fixedly connected to the hook 25. A first spring 33 is sleeved on the outer wall of the connection detection rod 321. The bottom end of the first spring 33 abuts against the top surface of the first piston 32, and the top end of the first spring 33 abuts against the inner top surface of the installation cylinder 31. A sliding rheostat 34 is fixedly installed on the outer wall of the installation cylinder 31. Specifically, an extension plate 311 is installed on the top surface of the installation cylinder 31, and the sliding rheostat 34 is fixedly installed at the end of the extension plate 311 by bolts. A chute is provided on the outer wall of the installation cylinder 31. An extension rod is welded to the outer wall of the first piston 32. The first piston 32 passes through the chute through the extension rod and is fixedly connected to the variable resistance needle of the sliding rheostat 34. Specifically, the first spring 33 can detect the weight of the reactor body 5. According to the weight of the reactor body 5, the first spring 33 is compressed to a certain extent, and the first piston 32 drives the variable resistance needle of the sliding rheostat 34 to move through the extension rod, thereby changing the resistance value of the sliding rheostat 34.

[0023] Embodiment 3, please refer to Figures 6 to 13, A hoisting machine for transporting a large enamel reactor, which is different from that of Embodiment 1 in that a mounting plate 411 is welded and fixed to the top surface of the airtight ring 41, and the top surface of the mounting plate 411 is fixedly connected to the bottom surface of the mounting cylinder 31 by bolts. An installation seat 412 is welded and fixed to the outer wall of the airtight ring 41, and an air pump body 42 is fixedly installed on the top surface of the installation seat 412 by bolts. Specifically, the air pump body 42 is a DC air pump. The air pump body 42 is connected in series with a sliding rheostat 34. When the weight of the reactor body 5 is greater, the degree of compression of the first spring 33 is greater, the resistance value of the sliding rheostat 34 is smaller, the current in the circuit is greater, and the power of the air pump body 42 is higher, ensuring the stability of the insurance component 7. When the weight of the reactor body 5 is smaller, the degree of compression of the first spring 33 is smaller, the resistance value of the sliding rheostat 34 is higher, the current in the circuit is smaller, and the power of the air pump body 42 becomes lower. While ensuring the stability of the insurance component 7, energy can be saved. An annular airbag 43 for clamping the reactor body 5 is fixedly installed on the inner wall of the airtight ring 41. Specifically, two installation grooves are symmetrically arranged on the upper and lower sides of the inner wall of the airtight ring 41, and the upper and lower edges of the annular airbag 43 are respectively fixedly clamped in the two installation grooves. The outer surface of the annular airbag 43 is an anti-slip TPU texture film, the middle layer is a high-strength cord fabric reinforcing layer, and the inner layer is an EPDM rubber airtight layer. This composite structure can ensure that the annular airbag 43 has characteristics such as pressure resistance, tear resistance, and anti-slip while flexibly clamping. A plurality of air inlet pipes 414 are equidistantly installed on the inner wall circumference of the airtight ring 41, and the air inlet pipes 414 are used to connect the inside of the airtight ring 41 with the inside of the annular airbag 43. A ball valve 44 is slidably installed in each of the plurality of air inlet pipes 414, and a second spring 45 is fixedly installed on the outer wall of the ball valve 44. Specifically, please refer to Figure 11 , Figure 12 , at one end of the inner wall of the air inlet pipe 414 close to the annular airbag 43, there is an abutting ring, and at one end of the inner wall of the air inlet pipe 414 close to the airtight ring 41, there is a blocking ring. The abutting ring is made of rubber, the ball valve 44 abuts against the inner wall of the abutting ring, and the end of the second spring 45 away from the ball valve 44 is fixedly connected to the end face of the blocking ring. The second spring 45 releases elastic force to abut the ball valve 44 against the abutting ring, and at this time the air inlet pipe 414 is closed.

[0024] Please refer to Figures 9 to 12, the triggering assembly 6 includes a triggering rod 61 which is slidably mounted on the outer wall of the airtight ring 41. Specifically, a number of sliding cylinders 413 are equidistantly arranged on the outer circumference of the outer wall of the airtight ring 41, and the positions of the number of sliding cylinders 413 respectively correspond to the positions of the number of air inlet pipes 414. The triggering rod 61 is slidably inserted into the sliding cylinder 413. The triggering rod 61 is made of metal and has a certain self-weight, and can automatically move downward in the sliding cylinder 413 by its own weight. A fixing ring 62 is fixedly mounted on the outer wall of the triggering rod 61, and a triggering rope 63 is fixedly connected to the outer wall of the fixing ring 62. One end of the triggering rope 63 away from the fixing ring 62 passes through the outer wall of the airtight ring 41 and is connected to the ball valve 44. An airtight sleeve 46 for enhancing the airtightness inside the airtight ring 41 is installed at the connection between the triggering rope 63 and the inner wall of the airtight ring 41. Specifically, the length of the triggering rod 61 is greater than or equal to the height of the reaction kettle body 5. A blocking ring is provided at the top end of the triggering rod 61, and the blocking ring can prevent the triggering rod 61 from falling off the sliding cylinder 413. When the blocking ring abuts against the top surface of the sliding cylinder 413, the triggering rope 63 has a certain margin and is in a relaxed state, and the ball valve 44 continues to close the air inlet pipe 414. Since the length of the triggering rod 61 is greater than or equal to the height of the reaction kettle body 5, when the airtight ring 41 is sleeved on the outer wall of the reaction kettle body 5, the bottom end of the triggering rod 61 contacts the ground first. The airtight ring 41 is to be installed at the middle position of the outer wall of the reaction kettle body 5. The triggering rod 61 continues to drive the fixing ring 62 and the end of the triggering rope 63 to move upward in the sliding cylinder 413 until the triggering rope 63 is taut. The triggering rod 61 continues to move in the sliding cylinder 413, and the triggering rope 63 pulls the ball valve 44 to disengage from the abutting ring. At this time, the second spring 45 is compressed, and the air inlet pipe 414 connects the space inside the airtight ring 41 and the space inside the annular airbag 43. The high-pressure gas generated by the air pump body 42 inside the airtight ring 41 enters the space inside the annular airbag 43 through the air inlet pipe 414. The annular airbag 43 expands and deforms, and the anti-slip TPU texture film on the outer wall of the annular airbag 43 abuts against the outer wall of the reaction kettle body 5 to fixedly clamp the reaction kettle body 5. When the reaction kettle body 5 is lifted into the air, the triggering rod 61 moves downward in the sliding cylinder 413 by its own weight, and the triggering rope 63 returns to the relaxed state. The second spring 45 releases its elastic force to abut the ball valve 44 against the abutting ring again to close the air inlet pipe 414. The air inside the annular airbag 43 cannot be discharged, and the internal air pressure is kept constant until the reaction kettle body 5 is transported to the designated position. When the reaction kettle body 5 descends in the air, it is also the bottom end of the triggering rod 61 that contacts the ground first. The triggering rod 61 drives the fixing ring 62 and the end of the triggering rope 63 to move upward in the sliding cylinder 413, and opens the ball valve 44 through the triggering rope 63 to discharge the high-pressure gas in the space inside the annular airbag 43, automatically completing the release of the clamping of the reaction kettle body 5.

[0025] Please refer to Figure 9 , Figure 10 , Figure 13, the safety component 7 includes an air cylinder 71 and a safety lever 74. A number of first rotating brackets 415 are equidistantly arranged on the outer wall top circumference of the airtight ring 41, and a number of second rotating brackets 416 are equidistantly arranged on the bottom circumference of the airtight ring 41. The positions of the number of second rotating brackets 416 correspond to those of the number of first rotating brackets 415. The top end of the air cylinder 71 is hinged to the end of the first rotating bracket 415. The top end of the air cylinder 71 is connected to the outer wall of the airtight ring 41 through a hose. Specifically, the interior spaces of the air cylinder 71 and the airtight ring 41 are communicated through the hose. A second piston rod 72 is slidably installed in the air cylinder 71, and a third spring 73 is sleeved on the outer wall of the second piston rod 72. Specifically, the top end of the third spring 73 abuts against the bottom surface of the second piston rod 72, and the bottom end of the third spring 73 abuts against the inner bottom surface of the air cylinder 71. The safety lever 74 is rotatably connected to the end of the second rotating bracket 416. The safety lever 74 includes a driving rod 741 and an arc rod 742. The end of the driving rod 741 is hinged to the end of the second piston rod 72. Specifically, a torsion spring is installed between the safety lever 74 and the end of the second rotating bracket 416, and the torsion spring has a turning force on the safety lever 74. A roller 75 is rotatably connected to the end of the arc rod 742. To prevent the annular airbag 43 from malfunctioning and causing the reaction kettle body 5 to fall and break, the safety component 7 can provide temporary protection measures for the reaction kettle body 5. When the reaction kettle body 5 is on the ground, the roller 75 at the end of the arc rod 742 abuts against the ground, and the gas inside the airtight ring 41 cannot push the second piston rod 72 to move. When the reaction kettle body 5 is lifted into the air, the roller 75 at the end of the arc rod 742 is disengaged from the ground contact. At the same time, the ball valve 44 abuts against the abutting ring again to close the air inlet pipe 414. At this time, the gas inside the airtight ring 41 is preferentially supplied to the air cylinder 71. The high-pressure gas pushes the second piston rod 72 to move inside the air cylinder 71, compressing the third spring 73. The second piston rod 72 drives the safety lever 74 to rotate at the end of the second rotating bracket 416 through the driving rod 741, compressing the torsion spring. The safety lever 74 drives the arc rod 742 to rotate until the roller 75 at the end of the arc rod 742 abuts against the bottom surface of the reaction kettle body 5. The arc rods 742 of a number of safety components 7 jointly provide a supporting and protecting effect on the bottom of the reaction kettle body 5. At the same time, according to the weight of the reaction kettle body 5, the detection component 3 can change the power of the air pump body 42, so as to improve the protection performance of the safety component 7. The air pump body 42 is connected in series with the sliding rheostat 34. When the weight of the reaction kettle body 5 is greater, the greater the degree of compression of the first spring 33, the smaller the resistance value of the sliding rheostat 34, the greater the current in the circuit, and the higher the power of the air pump body 42, and the higher the air supply efficiency to the air cylinder 71, ensuring the stability of the safety component 7. When the weight of the reaction kettle body 5 is smaller, the smaller the degree of compression of the first spring 33, the higher the resistance value of the sliding rheostat 34, the smaller the current in the circuit, and the lower the power of the air pump body 42, and the lower the air supply efficiency to the air cylinder 71. While ensuring the stability of the safety component 7, it can save energy. At the same time, in order to prevent the air pressure inside the airtight ring 41 from exceeding the threshold,Damage to the airtight ring 41 is caused. A pressure relief hole 711 is provided at a position near the bottom end of the outer wall of the air cylinder 71. When the second piston rod 72 moves to the bottom end of the air cylinder 71, the third spring 73 is compressed to the limit. At this time, it is proved that the protection strength of the insurance component 7 is sufficient, and the pressure relief hole 711 automatically relieves the pressure of the air cylinder 71. At this time, the combined air release rate of the pressure relief holes 711 of several insurance components 7 is greater than or equal to the air delivery efficiency of the air pump body 42 at this time.

[0026] The working principle of the present invention is as follows: When the device is in use, two first moving carts 113 slide inside the sliding box 12 respectively, and the screw 13 is driven to rotate by the stepping motor 14, so as to drive the first moving cart 113 connected to the internal thread sleeve to move linearly, and then push the entire sliding rail 11 connected thereto to move back and forth, completing the longitudinal displacement; On the outer wall of the sliding rail 11, the transverse moving assembly 2 cooperates with the sliding rail 11 through the second moving cart 21. The direct current motor 22 is used to drive the second moving cart 21 to move left and right, indirectly realizing the transverse displacement of the electric hoist 23. The electric hoist 23 is connected to the hook 25 through the steel chain 24, and further drives the detection assembly 3 and the clamping assembly 4 installed below the hook 25 to perform grasping and lifting operations on the reaction kettle body 5; During the hoisting process, the clamping assembly 4 realizes the stable clamping of the reaction kettle body 5 through the airtight ring 41 and the annular airbag 43 therein. When the airtight ring 41 is sleeved on the middle part of the outer wall of the reaction kettle body 5 from above, several trigger rods 61 in the trigger assembly 6 first contact the ground due to the length design. As the airtight ring 41 continues to move downward, the trigger rod 61 pushes the fixed ring 62 upward, pulling the trigger rope 63 taut and pulling the ball valve 44 connected thereto away from the abutting ring, so that the air inlet pipe 414 is opened. At this time, the high-pressure gas generated by the air pump body 42 enters the annular airbag 43 through the air inlet pipe 414, causing it to expand and closely contact the reaction kettle body 5 through the anti-slip TPU texture film on the outer surface, thus completing the flexible clamping; When the reaction kettle body 5 is lifted into the air, the trigger rod 61 falls downward due to gravity, the trigger rope 63 becomes slack, and the second spring 45 releases elastic force to push the ball valve 44 back to its position to close the air inlet pipe 414, so that the annular airbag 43 maintains high-pressure gas and keeps the clamping state until the reaction kettle transportation is completed; During the clamping process, the detection assembly 3 can sense the weight of the reaction kettle body 5. The first spring 33 generates different compression amounts according to the weight of the reaction kettle body 5, driving the first piston 32 to slide, thereby adjusting the resistance value through the connected sliding rheostat 34, indirectly controlling the power of the air pump body 42 connected in series therewith, and then adjusting the gas output pressure in real time according to the weight of the reaction kettle to ensure the stability and energy efficiency of the insurance component 7; To further enhance safety, during the clamping process of the annular airbag 43, several insurance components 7 are synchronously intervened for protection. As the air pressure in the airtight ring 41 increases, the gas enters the air cylinder 71 through the hose, pushing the second piston rod 72 to move outward and compressing the third spring 73. The driving rod 741 drives the insurance rod 74 to flip, so that the roller 75 on the arc rod 742 is lifted up and contacts the bottom surface of the reactor body 5, realizing bottom lifting protection. At the same time, when the second piston rod 72 moves to the limit position, the pressure relief hole 711 at the lower end of the air cylinder 71 automatically releases the air pressure to avoid damage to components due to overpressure and prevent the reactor from falling due to accidental deflation of the airbag. When the reactor is lowered after being hoisted in the air, the air pump body 42 stops working, the gas inside the air cylinder 71 leaks out automatically, the third spring 73 and the torsion spring release the elastic force to restore the safety assembly 7 to its initial state, the trigger rod 61 contacts the ground again, the trigger rod 61 moves up to drive the trigger rope 63, the trigger rope 63 pulls the ball valve 44, compresses the second spring 45, and allows the high-pressure gas to leak out through the air inlet pipe 414, the annular airbag 43 quickly loses pressure and shrinks, automatically releasing the clamping of the reactor body 5, completing the closed-loop operation of the entire hoisting operation; at this point, the device is completed.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed in the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hoisting machine for transporting a large-scale glass-lined reactor, comprising a hoisting assembly (1), characterized in that: The hoisting assembly (1) includes two sliding rails (11). A lateral movement assembly (2) is slidably connected to the outer walls of the two sliding rails (11). The lateral movement assembly (2) includes an electric hoist (23). The electric hoist (23) is connected to a hook (25) through a steel chain (24). A detection assembly (3) is fixedly installed on the hook (25). A clamping assembly (4) is fixedly installed at the bottom end of the detection assembly (3). The clamping assembly (4) is used for clamping and fixing the reactor body (5). The clamping assembly (4) includes an airtight ring (41). A number of trigger assemblies (6) are equidistantly installed on the outer circumference of the outer wall of the airtight ring (41). A number of safety assemblies (7) are equidistantly installed on the outer circumference of the outer wall of the airtight ring (41).

2. The gantry crane for transporting a large-scale glass-lined reactor according to claim 1, wherein: The lateral movement assembly (2) further includes a second moving vehicle (21). The second moving vehicle (21) is connected to the sliding rail (11) through moving wheels. The moving wheels are driven by a DC motor (22). A slewing jib assembly is installed on the bottom surface of the second moving vehicle (21). The slewing jib assembly can rotate around a vertical axis on the top of the cross beam. The electric hoist (23) is mounted at the bottom end of the slewing jib assembly. The hoisting range of the electric hoist (23) is extended through the movement of the slewing jib assembly.

3. A hoisting machine for transporting a large enamel reactor according to claim 2, characterized in that: The detection assembly (3) includes an installation cylinder (31). A first piston (32) is slidably connected inside the installation cylinder (31). A connecting detection rod (321) is welded and fixed at the center of the top surface of the first piston (32). The top end of the connecting detection rod (321) passes through the top wall of the installation cylinder (31) and is fixedly connected to the hook (25).

4. A hoisting machine for transporting a large enamel reactor according to claim 3, characterized in that: A first spring (33) is sleeved on the outer wall of the connecting detection rod (321). The bottom end of the first spring (33) abuts against the top surface of the first piston (32). The top end of the first spring (33) abuts against the inner top surface of the installation cylinder (31). A sliding rheostat (34) is fixedly installed on the outer wall of the installation cylinder (31). A chute is opened on the outer wall of the installation cylinder (31). An extension rod is welded on the outer wall of the first piston (32). The first piston (32) passes through the chute through the extension rod and is fixedly connected to the variable resistance needle of the sliding rheostat (34).

5. A hoisting machine for transporting a large enamel reactor according to claim 4, characterized in that: An installation plate (411) is welded and fixed on the top surface of the airtight ring (41). The top surface of the installation plate (411) is fixedly connected to the bottom surface of the installation cylinder (31) through bolts. An installation seat (412) is welded and fixed on the outer wall of the airtight ring (41). An air pump body (42) is fixedly installed on the top surface of the installation seat (412) through bolts. An annular airbag (43) for clamping the reactor body (5) is fixedly installed on the inner wall of the airtight ring (41).

6. A hoisting machine for transporting a large enamel reactor according to claim 5, wherein: A number of air inlet pipes (414) are equidistantly installed on the inner circumference of the inner wall of the airtight ring (41). The air inlet pipes (414) are used to connect the inside of the airtight ring (41) with the inside of the annular airbag (43). Ball valves (44) are slidably installed in a number of the air inlet pipes (414). A second spring (45) is fixedly installed on the outer wall of the ball valve (44).

7. A hoisting machine for transporting a large-scale enamel reactor according to claim 6, characterized in that: The trigger assembly (6) includes a trigger rod (61), the trigger rod (61) is slidably mounted on the outer wall of the airtight ring (41), a fixing ring (62) is fixedly mounted on the outer wall of the trigger rod (61), and a trigger rope (63) is fixedly connected to the outer wall of the fixing ring (62).

8. A hoisting machine for transporting a large enamel reactor according to claim 7, characterized in that: One end of the trigger rope (63) away from the fixing ring (62) passes through the outer wall of the airtight ring (41) and is connected to the ball valve (44). An airtight sleeve (46) for enhancing the airtightness inside the airtight ring (41) is installed at the connection between the trigger rope (63) and the inner wall of the airtight ring (41).

9. A hoisting machine for transporting a large enamel reactor according to claim 1, characterized in that: The safety component (7) includes an air cylinder (71) and a safety rod (74). A plurality of first rotating brackets (415) are equidistantly arranged on the circumference of the top end of the outer wall of the airtight ring (41), and a plurality of second rotating brackets (416) are equidistantly arranged on the circumference of the bottom surface of the airtight ring (41). The positions of the plurality of second rotating brackets (416) correspond to those of the plurality of first rotating brackets (415). The top end of the air cylinder (71) is hinged to the end of the first rotating bracket (415), and the top end of the air cylinder (71) is connected to the outer wall of the airtight ring (41) through a hose.

10. A hoisting machine for transporting a large enamel reactor according to claim 9, characterized in that: A second piston rod (72) is slidably mounted in the air cylinder (71). A third spring (73) is sleeved on the outer wall of the second piston rod (72). The safety rod (74) is rotatably connected to the end of the second rotating bracket (416). The safety rod (74) includes a driving rod (741) and an arc-shaped rod (742), and the end of the driving rod (741) is hinged to the end of the second piston rod (72).

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