In-situ precise measurement, control and correction device for screw of screw hoist

Abstract

The invention relates to the technical field of screw hoist maintenance, in particular to an in-situ precise measurement and control correction device for a screw of a screw hoist, the in-situ precise measurement and control correction device comprises a mounting bracket and two groups of correction frames, an electric cylinder is mounted on the inner side of the mounting bracket, the telescopic end of the electric cylinder is fixedly connected with a suspension, and the right side of the suspension is fixedly connected with a surrounding frame. The in-situ precise measurement and control correction device for the screw of the screw hoist is provided with an undeformed part which can be in contact with the screw after the correction rollers get close to each other, and at the moment, the circle center of an approximately-annular support composed of the two correction frames is concentric with the axis of the screw; when pushing force is applied to the two attaching frames at the diagonal positions, the attaching frames and the correcting rollers connected with the attaching frames can rotate circumferentially along the axes and make contact with the protruding parts of the screws at the moment, when the attaching frames are repeatedly pushed and pressed, the correcting rollers can roll and press the protruding parts of the attaching frames till the protruding parts are concentric with the axes, and the rolling and correcting effects are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of screw gate hoist maintenance, and in particular to an in-situ precise measurement, control and correction device for a screw of a screw gate hoist. Background Art

[0002] As we all know, the screw gate hoist is a machine that uses a threaded rod to connect to the gate leaf directly or through a guide slider and a connecting rod. The screw moves up and down to open and close the gate. The power source is mainly provided by an electric motor to drive the reducer. The reducer converts the high-speed and low-torque output of the motor into the medium- and low-speed high-torque required by the gate hoist, providing suitable power for the rotation of the screw. Through the meshing transmission of the worm gear and the worm, the torque transmitted by the reducer is converted into linear motion, pushing the screw to rotate. Since the screw is directly or indirectly connected to the gate leaf, the rotational motion of the screw is converted into the up and down movement of the gate, thereby realizing the opening and closing of the gate, and achieving the purpose of controlling the water level and regulating the flow.

[0003] A correction device can be used to correct and maintain the screw of the screw gate opener. The problem with the prior art is that the screw may bend due to external impact or long-term use or when it is used beyond the force limit. In this case, the method usually provided by the prior art is to stop the machine, disassemble the screw, and straighten the screw or directly replace the screw. This is not only inefficient, but also troublesome to disassemble and transport the screw due to the usually long size of the screw. There are also few straightening devices that have been used for long shafts. Even if it can be solved, it is to correct the deformation by pressing the protruding part with hydraulic equipment after clamping. This method not only has the risk of damaging the thread, but also may cause the clamping part to deform after being pressed. Therefore, the correction of the screw of the screw gate opener has always been a difficult problem.

[0004] Based on the above-mentioned situation, we found that the screw of the screw gate hoist in the prior art is difficult to correct. Therefore, we proposed a device that can effectively straighten the screw of the screw gate hoist while avoiding damaging its thread or causing damage to the supporting position during correction, and avoiding disassembly of the screw. It can directly perform in-situ precise correction on the periphery of the screw gate hoist without disassembly, and is used for in-situ precise measurement, control and correction of the screw of the screw gate hoist. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the present invention provides an in-situ precise measurement, control and correction device for the screw of a screw gate hoist, which can effectively straighten the screw of the screw gate hoist while avoiding damage to its thread or damage to the supporting position during correction, and avoiding disassembly of the screw. It has the advantage of being able to perform in-situ precise correction directly on the periphery of the screw gate hoist without disassembly.

[0007] (II) Technical solution

[0008] The above technical objectives of the present invention are achieved through the following technical solutions: an in-situ precise measurement and control correction device for a screw rod of a screw gate hoist, comprising a mounting bracket and two sets of correction frames, an electric cylinder is mounted on the inner side of the mounting bracket, a telescopic end of the electric cylinder is fixedly connected to a suspension, and a surrounding frame is fixedly connected to the right side of the suspension;

[0009] The enclosing frame comprises a top frame, a bottom frame, four columns, two first hydraulic cylinders and two second hydraulic cylinders, the top frame and the bottom frame are fixedly connected to the suspension on one side close to the suspension, the columns are fixedly connected between the top frame and the bottom frame, and the first hydraulic cylinder and the second hydraulic cylinder are fixedly connected to the outside of the columns;

[0010] The correction frame includes a correction roller and a core ring, the top and bottom of the correction roller are rotatably connected to connecting blocks, the outer side of the connecting block is rotatably connected to a bonding frame, the outer side of the bonding frame away from the correction roller is rotatably connected to a hanging ring, the side of the hanging ring close to the core ring is fixedly connected to an inclined frame, the side of the inclined frame close to the core ring is fixedly connected to the core ring, the outer side of the core ring is provided with an external thread, the outer side of the core ring is threadedly connected to a transmission ring, the outer side of the transmission ring is slidably connected to a bonding ring, the outer side of the bonding ring and the inner side of the bonding frame are fixedly connected to a rotating frame, the inner side of the rotating frame is rotatably connected to a pull rod, and the inner side of the inner rotating frame is movably connected to the outer rotating frame through the pull rod.

[0011] By adopting the above technical solution, the main body of the structure is installed and fixed by setting a mounting bracket, and the set correction frame is used to directly contact the screw rod to perform the rolling correction action. When in use, the two sets of surrounding frames are clamped on the outside of the screw rod, and then the two fitting rings are assembled to complete the preliminary fixation of the two surrounding frames, and then the hanging rings of the two sets of correction frames are fixed. At this time, the core rings and transmission rings of the two sets of correction frames cooperate with each other, and the transmission rings are rotated along the top and bottom core rings. The transmission ring moves vertically along the threads on the surface of the core ring, and while rotating, the transmission ring moves between the rotating frame and Under the limit of the pull rod, it will not rotate, but will move vertically. While moving, it will drag the fitting frame along the suspension ring through the rotating frame and the pull rod. While rotating, the correction roller connected to it through the connecting block will approach the screw to be corrected until it fits on the surface of the screw. Since the deformation of the screw is usually caused by excessive force or external impact, most of the time a certain section protrudes or deviates. Therefore, it is only necessary to make the protruding part between two adjacent correction rollers during installation. After the correction rollers approach each other, they will contact the undeformed part of the screw, which will make The center of the approximately circular bracket formed by the two correction frames is concentric with the axis of the screw. When thrust is applied to the laminating frames at the two diagonal positions, the laminating frames and the correction rollers connected thereto will rotate along the circumference of the axis, and at this time will contact the protruding part of the screw. When the laminating frames are repeatedly pushed, the correction rollers will roll and press the protruding part until it is concentric with the axis, achieving the effect of rolling and correcting. Since there is no clamping fulcrum or pressing fulcrum, the possibility of deformation of the support position due to excessive pressure of the hydraulic equipment or over-correction can also be avoided. The mounting bracket is placed on the periphery of the gate hoist, and the surrounding frame is located outside the two sets of correction frames. Then the top frame and the top of the top hanging ring are assembled to preliminarily fix the correction frame. The vertical position of the correction frame can be adjusted by lifting or lowering the electric cylinder to facilitate adjustment of its position relative to the surface of the screw. The first hydraulic cylinder and the second hydraulic cylinder installed outside the column are used to push the fitting frame to apply force to it for rolling and pressing. Therefore, there is no need to remove the screw from the inside of the gate hoist to perform correction actions on the screw, which effectively improves the efficiency of correction and maintenance.

[0012] The present invention is further configured as follows: a stabilizing frame is fixedly connected to the outer side of the mounting bracket, and the inner side of the stabilizing frame is clamped to the chassis of the gate hoist.

[0013] By adopting the above technical solution and setting a stabilizing frame, it is possible to easily fix the structure to the gate opening and closing machine chassis, thereby avoiding difficulty in normal operation due to insufficient force or insufficient weight of the installation bracket.

[0014] The present invention is further configured as follows: the inner side of the suspension is slidably connected to a limit rod, the top of the limit rod is fixedly connected to a limit plate, and the outer side of the limit rod is fixedly connected to a mounting bracket.

[0015] By adopting the above technical solution, by setting a limit rod and a limit plate, when the electric cylinder pushes the suspension to move vertically on the mounting bracket, the limit rod and the limit plate limit the suspension to prevent the structure from tilting or deflecting.

[0016] The present invention is further configured such that: a reinforcement frame is fixedly connected to the outer side of the column, and the outer sides of the first hydraulic cylinder and the second hydraulic cylinder are both fixedly connected to the reinforcement frame.

[0017] By adopting the above technical solution, a reinforcement frame is set up to assist the force between the first hydraulic cylinder, the second hydraulic cylinder and the column, so as to avoid the first hydraulic cylinder and the second hydraulic cylinder from loosening due to excessive force when pushing due to uneven force.

[0018] The present invention is further configured as follows: an integrally formed convex plate is provided on the outer side of the fitting ring, two adjacent convex plates are movably connected by bolts, and the surface of the transmission ring is provided with anti-slip patterns.

[0019] By adopting the above technical solution, by setting a convex plate, when connecting the fitting rings, they can be firmly connected by bolts after alignment to avoid loosening. Since the transmission ring needs to be turned by a person, the anti-slip groove is provided to prevent the hands from slipping.

[0020] The present invention is further configured as follows: a slide groove is provided on the inner side of the transmission ring, a slider is slidably connected to the inner side of the slide groove, and the outer side of the slider is fixedly connected to the fitting ring.

[0021] By adopting the above technical solution, by setting a sliding groove and a slider, the transmission ring and the fitting ring can be easily connected to ensure that the transmission ring will not affect the vertical movement of the fitting ring when rotating, making the structural connection more stable.

[0022] The present invention is further configured as follows: a force beam is rotatably connected to the outer side of the top laminating frame, the bottom of the force beam contacts the bottom laminating frame, and a force sheet used in conjunction with the first hydraulic cylinder and the second hydraulic cylinder is fixedly connected to the outer side of the force beam.

[0023] By adopting the above technical solution, a force-bearing beam and a force-bearing plate are set up to allow the first hydraulic cylinder and the second hydraulic cylinder to push the bonding frame. Directly pressing on the force-bearing beam can make the top bonding frame and the bottom bonding frame both bear force to achieve stable rotation, and the force-bearing plate extends the contact area with the first hydraulic cylinder and the second hydraulic cylinder to avoid slipping during pushing.

[0024] The present invention is further configured as follows: the telescopic ends of the first hydraulic cylinder and the second hydraulic cylinder are both fixedly connected to a wheel frame, the inner side of the wheel frame is rotatably connected to a push wheel, and the push wheel and the force-bearing plate are used in conjunction with each other.

[0025] By adopting the above technical solution, by setting a wheel frame in conjunction with the push wheel, it is possible to make the push wheel roll on the surface of the force-bearing plate when the first hydraulic cylinder and the second hydraulic cylinder push the force-bearing plate, so as to reduce the friction during pushing and convert the sliding friction into rolling friction.

[0026] The present invention is further configured as follows: a short shaft is fixedly connected to the inner side of the right suspension ring, the outer side of the short shaft is rotatably connected to the left suspension ring, a pin groove is opened on the front side of the suspension ring, a U-shaped pin is inserted into the inner side of the pin groove, and the bottom of the U-shaped pin is threadedly connected to a limiting screw.

[0027] By adopting the above technical solution, a short shaft is set to connect the two suspension rings, and the two correction frames can be kept in a state of rotation and engagement at any time, so as to avoid difficulty for personnel to hold the two correction frames at the same time for operation during installation. The U-shaped pin set can be plugged in when connecting between the suspension rings so that it will not loosen or deform when subjected to force, and a limiting screw is used to ensure that the U-shaped pin will not fall off during use.

[0028] The present invention is further configured as follows: a ferrule is fixedly connected to the top of the suspension ring, two outer hoops are slidably connected to the outside of the ferrule, the rear sides of the two outer hoops are rotatably connected by a hinge, the front sides of the two outer hoops are clamped by a buckle, and the left side of the left outer hoop is fixedly connected to the top frame.

[0029] By adopting the above technical solution, by setting a ring and an outer hoop, the top frame can assist in fixing the suspension ring, so that it has a certain limit assistance when rotating, and can also be temporarily mounted when installing equipment to facilitate personnel adjustment.

[0030] (III) Beneficial effects

[0031] Compared with the prior art, the present invention provides an in-situ precise measurement, control and correction device for the screw of a screw gate hoist, which has the following beneficial effects:

[0032] The device for accurately measuring and controlling the correction of the screw rod of the screw gate opening and closing machine in situ is used to install and fix the main structure by setting a mounting bracket. The correction frame is used to directly contact the screw rod to perform the rolling and pressing correction action. When in use, two sets of surrounding frames are clamped on the outside of the screw rod, and then the two fitting rings are assembled to complete the initial fixation of the two surrounding frames, and then the hanging rings of the two sets of correction frames are fixed. At this time, the core rings and transmission rings of the two sets of correction frames cooperate with each other, and the transmission rings are rotated along the top and bottom core rings. The transmission ring moves vertically along the threads on the surface of the core ring. At the same time, the transmission ring will not rotate under the limit of the rotating frame and the pull rod, but will move vertically. While moving, it will drag the fitting frame through the rotating frame and the pull rod to rotate along the hanging ring. While rotating, the correction roller connected to it through the connecting block will approach the screw to be corrected until it fits on the surface of the screw. Since the deformation of the screw is usually caused by excessive force or external impact, most of the time a certain section protrudes or deviates. Therefore, it is only necessary to make the protruding part between two adjacent correction rollers during installation. After the correction rollers approach each other, they will contact the undeformed part of the screw. At this time, the center of the approximately circular bracket composed of the two correction frames will be concentric with the axis of the screw. When thrust is applied to the laminating frames at the two diagonal positions, the laminating frames and the correction rollers connected thereto will rotate along the circumference of the axis, and will contact the protruding part of the screw. When the laminating frames are repeatedly pushed, the correction rollers will roll and press the protruding part until it is concentric with the axis, thereby achieving the effect of rolling and correcting. Since there is no clamping fulcrum or pressing fulcrum, it can also avoid the possibility of deformation of the support position due to excessive pressure of the hydraulic equipment or over-correction. The mounting bracket is placed on the periphery of the gate hoist, and the surrounding frame is located outside the two sets of correction frames. Subsequently, the top frame and the top hanging ring are assembled to preliminarily fix the correction frame. The vertical position of the correction frame can be adjusted by lifting or lowering the electric cylinder to facilitate adjustment of its position relative to the surface of the screw. The first hydraulic cylinder and the second hydraulic cylinder installed outside the column are used to push the fitting frame to make it subject to force for rolling and pressing. Therefore, there is no need to remove the screw from the inside of the gate hoist to perform correction actions on the screw, which effectively improves the efficiency of correction and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the structure of the present invention;

[0034] Figure 2 It is a schematic diagram of the structure of the enclosing frame in the present invention;

[0035] Figure 3 This is a schematic diagram of the installation of the correction frame in the present invention;

[0036] Figure 4 It is a top view of the main structure of the present invention;

[0037] Figure 5 is a top view of the correction frame of the present invention;

[0038] Figure 6 It is a structural schematic diagram of the correction frame in the present invention;

[0039] Figure 7 It is a rear schematic diagram of the main structure of the present invention;

[0040] Figure 8 It is a schematic structural diagram of the outer hoop in the present invention.

[0041] In the figure: 1. mounting bracket; 2. correction frame; 201. correction roller; 202. connecting block; 203. fitting frame; 204. suspension ring; 205. core ring; 206. inclined frame; 207. transmission ring; 208. fitting ring; 209. rotating frame; 210. pull rod; 3. suspension; 4. surrounding frame; 401. top frame; 402. bottom frame; 403. column; 404. second hydraulic cylinder; 405. first hydraulic cylinder; 5. electric cylinder; 6. stabilizing frame; 7. limiting rod; 8. limiting plate; 9. reinforcing frame; 10. convex plate; 11. sliding block; 12. load-bearing beam; 13. load-bearing plate; 14. wheel frame; 15. push wheel; 16. short shaft; 17. U-shaped pin; 18. ferrule; 19. outer hoop. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] Example 1

[0044] See also Figure 1-8 , a device for accurately measuring and controlling the correction of the screw rod of the screw gate hoist in situ, comprising a mounting bracket 1 and two sets of correction frames 2, an electric cylinder 5 is mounted on the inner side of the mounting bracket 1, a suspension 3 is fixedly connected to the telescopic end of the electric cylinder 5, and a surrounding frame 4 is fixedly connected to the right side of the suspension 3;

[0045] The surrounding frame 4 includes a top frame 401, a bottom frame 402, four columns 403, two first hydraulic cylinders 405 and two second hydraulic cylinders 404. The top frame 401 and the bottom frame 402 are fixedly connected to the suspension 3 on one side thereof, the column 403 is fixedly connected between the top frame 401 and the bottom frame 402, and the first hydraulic cylinder 405 and the second hydraulic cylinder 404 are fixedly connected to the outside of the column 403.

[0046] By placing the mounting bracket 1 on the periphery of the gate hoist and making the surrounding frame 4 outside the two sets of correction frames 2, and then assembling the top frame 401 and the top of the top hanging ring 204, the correction frame 2 can be initially fixed, and the vertical position of the correction frame 2 can be adjusted by lifting or lowering the electric cylinder 5 to adjust its position relative to the surface of the screw, and the first hydraulic cylinder 405 and the second hydraulic cylinder 404 installed outside the column 403 are used to push the fitting frame 203 to make it subject to force to perform a rolling action. Therefore, there is no need to remove the screw from the inside of the gate hoist to perform a correction action on the screw, which effectively improves the efficiency of correction and maintenance.

[0047] Among them, the outer side of the mounting bracket 1 is fixedly connected with a stabilizing frame 6, and the inner side of the stabilizing frame 6 is clamped with the gate hoist chassis. By setting the stabilizing frame 6, it is convenient to fix the structure to the gate hoist chassis to avoid difficulty in normal operation due to insufficient force or insufficient weight of the mounting bracket 1. The inner side of the suspension 3 is slidably connected to the limit rod 7, and the top of the limit rod 7 is fixedly connected to the limit plate 8. The outer side of the limit rod 7 is fixedly connected to the mounting bracket 1. By setting the limit rod 7 and the limit plate 8, when the electric cylinder 5 pushes the suspension 3 to move vertically on the mounting bracket 1, the limit rod 7 and the limit plate 8 limit the suspension 3 to avoid tilting or offset of the structure. The outer side of the column 403 is fixedly connected There is a reinforcement frame 9, and the outer sides of the first hydraulic cylinder 405 and the second hydraulic cylinder 404 are fixedly connected to the reinforcement frame 9. The reinforcement frame 9 is provided to assist the force between the first hydraulic cylinder 405 and the second hydraulic cylinder 404 and the column 403 to avoid the first hydraulic cylinder 405 and the second hydraulic cylinder 404 being loosened due to excessive force during pushing caused by uneven force. The outer side of the top laminating frame 203 is rotatably connected with a force beam 12, and the bottom of the force beam 12 is in contact with the bottom laminating frame 203. The outer side of the force beam 12 is fixedly connected with a force sheet 13 used in conjunction with the first hydraulic cylinder 405 and the second hydraulic cylinder 404. By providing the force beam 12 to cooperate with the force sheet 1 3, used for the first hydraulic cylinder 405 and the second hydraulic cylinder 404 to push the laminating frame 203, directly pressing on the force beam 12 can make the top laminating frame 203 and the bottom laminating frame 203 both bear force, so as to achieve stable rotation, and the force sheet 13 extends the contact area with the first hydraulic cylinder 405 and the second hydraulic cylinder 404 to avoid slipping during pushing, the telescopic ends of the first hydraulic cylinder 405 and the second hydraulic cylinder 404 are fixedly connected with the wheel frame 14, the inner side of the wheel frame 14 is rotatably connected with the push wheel 15, the push wheel 15 and the force sheet 13 are used in conjunction with each other, and by setting the wheel frame 14 to cooperate with the push wheel 15, it is convenient for the first hydraulic cylinder 405 and the second hydraulic cylinder 404 to press the laminating frame 203. When the force-bearing plate 13 is pushed, the push wheel 15 rolls on the surface of the force-bearing plate 13 to reduce the friction during pushing and convert sliding friction into rolling friction. The top of the suspension ring 204 is fixedly connected with a ring 18, and the outer side of the ring 18 is slidably connected with two outer hoops 19. The rear sides of the two outer hoops 19 are rotatably connected by a hinge, and the front sides of the two outer hoops 19 are clamped by a buckle. The left side of the left outer hoop 19 is fixedly connected to the top frame 401. By arranging the ring 18 to cooperate with the outer hoop 19, the top frame 401 can assist in fixing the suspension ring 204, so that it has a certain limit assistance when rotating, and it can also be temporarily mounted when installing the equipment to facilitate personnel adjustment.

[0048] Working principle of this embodiment: First, place the mounting bracket 1 on the periphery of the gate hoist so that the surrounding frame 4 is located outside the two sets of correction frames 2. The stabilizing frame 6 is connected to the gate hoist chassis to fix the structure to avoid the operation being affected by unstable force or the deadweight of the mounting bracket 1. Assemble the top frame 401 and the top hanging ring 204, initially fix the correction frame 2, and lift or lower it by the electric cylinder 5 to adjust the vertical position of the correction frame 2 until it is in a suitable position relative to the surface of the screw. Use the first hydraulic cylinder 405 and the second hydraulic cylinder 404 installed outside the column 403 to adjust the vertical position of the correction frame 2. The pressing laminating frame 203 is pushed to perform a rolling action. When the electric cylinder 5 pushes the suspension 3 to move vertically, the limit rod 7 and the limit plate 8 limit the suspension 3 to prevent the structure from tilting or shifting. The first hydraulic cylinder 405 and the second hydraulic cylinder 404 roll on the surface of the force-bearing plate 13 through the push wheel 15 on the telescopic end wheel frame 14 to reduce the pushing friction. At the same time, the top and bottom laminating frames 203 are stressed and rotate steadily. The ring 18 cooperates with the outer hoop 19, and the top frame 401 assists in fixing the suspension ring 204, so that it has limited assistance when rotating, and is convenient for temporary mounting and adjustment when installing the equipment.

[0049] Example 2

[0050] refer to Figure 1-6 A device for accurately measuring and controlling the correction of the screw rod in situ of a screw gate opening and closing machine also includes two sets of correction frames 2, wherein the correction frame 2 includes a correction roller 201 and a core ring 205, the top and bottom of the correction roller 201 are both rotatably connected to a connecting block 202, the outer side of the connecting block 202 is rotatably connected to a fitting frame 203, the outer side of the fitting frame 203 away from the correction roller 201 is rotatably connected to a hanging ring 204, the side of the hanging ring 204 close to the core ring 205 is fixedly connected to an inclined frame 206, and the inclined frame 206 is fixedly connected to the core ring 205. 06 is fixedly connected to the core ring 205 on one side close to the core ring 205, an external thread is provided on the outer side of the core ring 205, a transmission ring 207 is threadedly connected to the outer side of the core ring 205, a fitting ring 208 is slidably connected to the outer side of the transmission ring 207, a rotating frame 209 is fixedly connected to the outer side of the fitting ring 208 and the inner side of the fitting frame 203, a pull rod 210 is rotatably connected to the inner side of the rotating frame 209, and the inner side of the inner rotating frame 209 is movably connected to the outer rotating frame 209 through the pull rod 210;

[0051] The main body of the structure is installed and fixed by setting a mounting bracket 1, and the correction frame 2 is used to directly contact the screw to perform a rolling correction action. When in use, the two sets of surrounding frames 4 are clamped on the outside of the screw, and then the two fitting rings 208 are assembled to complete the preliminary fixation of the two surrounding frames 4, and then the hanging rings 204 of the two sets of correction frames 2 are fixed. At this time, the core rings 205 and the transmission rings 207 of the two sets of correction frames 2 cooperate with each other, and the transmission rings 207 are rotated along the top and bottom core rings 205, and the transmission rings 207 move vertically along the threads on the surface of the core rings 205. While rotating, the transmission rings 207 will not rotate under the limitation of the rotating frame 209 and the pull rod 210, but will undergo vertical displacement. While displacing, the fitting frame 203 will be dragged by the rotating frame 209 and the pull rod 210 to rotate along the hanging ring 204, and the correction roller 201 connected to it through the connecting block 202 will approach the screw to be corrected while rotating until It is bonded to the surface of the screw. Since the deformation of the screw is usually caused by excessive force or external impact, most of the time a certain section protrudes or deviates. Therefore, it is only necessary to make the protruding part between two adjacent correction rollers 201 during installation. After the correction rollers 201 are close to each other, they will contact the undeformed part of the screw. At this time, the center of the approximately circular bracket composed of the two correction frames 2 will be concentric with the axis of the screw. When thrust is applied to the bonding frames 203 at the two diagonal positions, the bonding frames 203 and the correction rollers 201 connected thereto will rotate along the circumference of the axis, and will contact the protruding part of the screw. When the bonding frames 203 are repeatedly pushed, the correction rollers 201 will roll and press the protruding part until it is concentric with the axis, thereby achieving the effect of rolling and correcting. Since there is no clamping fulcrum or pressing fulcrum, the possibility of deformation of the support position due to excessive pressure of the hydraulic equipment or over-correction can also be avoided.

[0052] Among them, an integrally formed convex plate 10 is provided on the outer side of the fitting ring 208, and two adjacent convex plates 10 are movably connected by bolts. The surface of the transmission ring 207 is provided with anti-skid patterns. By providing the convex plates 10, when the fitting rings 208 are connected, they can be firmly connected by bolts after being aligned to avoid loosening. Since the transmission ring 207 needs to be rotated by personnel, the anti-skid patterns can prevent the hands from slipping. A sliding groove is provided on the inner side of the transmission ring 207, and a slider 11 is slidably connected to the inner side of the sliding groove. The outer side of the slider 11 is fixedly connected to the fitting ring 208. By providing the sliding groove and the slider 11, the transmission ring 207 and the fitting ring 208 can be easily connected to ensure that the transmission ring 207 will not affect the fitting ring 20 when rotating. 8 only moves vertically, so that the connection of the structure is more stable. The inner side of the right hanging ring 204 is fixedly connected with a short shaft 16, and the outer side of the short shaft 16 is rotatably connected to the left hanging ring 204. A pin groove is opened on the front side of the hanging ring 204, and a U-shaped pin 17 is inserted into the inner side of the pin groove. The bottom thread of the U-shaped pin 17 is connected with a limiting screw. By setting the short shaft 16, it is used to connect the two hanging rings 204 and ensure that the two correction frames 2 can be kept in a state of being able to rotate and engage at any time, so as to avoid the difficulty of personnel holding the two correction frames 2 at the same time for operation during installation. The set U-shaped pin 17 can be inserted when connecting between the hanging rings 204 so that it will not loosen or deform when subjected to force, and the limiting screw is used to ensure that the U-shaped pin 17 will not fall off during use.

[0053] Working principle of this embodiment: First, use the mounting bracket 1 to install and fix the main structure, and by rotating the two suspension rings 204 along the short axis 16, ensure that the two correction frames 2 can be rotated and engaged at any time to facilitate the installation operation, clamp the two groups of surrounding frames 4 on the outside of the screw, assemble the two fitting rings 208 to complete the preliminary fixation of the two surrounding frames 4, insert the U-shaped pin 17 between the suspension rings 204, and use the limit screw to ensure that the U-shaped pin 17 does not fall off during use, and prevent the suspension ring 204 from loosening or deformation when the force is applied, fix the suspension rings 204 of the two groups of correction frames 2 until the core rings 205 and the transmission rings 207 of the two groups of correction frames 2 cooperate with each other, rotate the transmission ring 207 along the top and bottom core rings 205, and the transmission ring 207 moves vertically along the surface thread of the core ring 205. At the same time, it does not rotate under the limit of the rotating frame 209 and the pull rod 210, and only produces vertical displacement. The transmission ring 207 rotates The frame 209 and the pull rod 210 drag the bonding frame 203 to rotate along the hanging ring 204, so that the correction roller 201 is close to the screw to be corrected until it is bonded to the surface of the screw. During installation, the protruding part of the screw is placed between two adjacent correction rollers 201, so that the correction roller 201 contacts the undeformed part of the screw, and the center of the approximately circular ring-shaped bracket formed by the correction frame 2 is concentric with the axis of the screw. Thrust is applied to the bonding frames 203 at two diagonal positions, and the bonding frame 203 and the correction roller 201 rotate along the circumference of the axis, contact and press the protruding part of the screw, and push repeatedly until the screw is concentric with the axis. The outer convex plate 10 of the bonding ring 208 is movably connected by bolts to prevent the bonding ring 208 from loosening. The inner sliding groove of the transmission ring 207 cooperates with the slider 11 to facilitate the connection between the transmission ring 207 and the bonding ring 208, ensuring that the bonding ring 208 only moves vertically when the transmission ring 207 rotates.

[0054] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make non-creative modifications to the present embodiment as needed. Although the embodiments of the present invention have been shown and described, it is understandable to those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An in-situ precise measurement, control and correction device for a screw of a screw gate hoist, comprising a mounting bracket (1) and two sets of correction frames (2), characterized in that: An electric cylinder (5) is installed on the inner side of the mounting bracket (1), the telescopic end of the electric cylinder (5) is fixedly connected to a suspension (3), and the right side of the suspension (3) is fixedly connected to a surrounding frame (4); The surrounding frame (4) comprises a top frame (401), a bottom frame (402), four columns (403), two first hydraulic cylinders (405) and two second hydraulic cylinders (404); the top frame (401) and the bottom frame (402) are fixedly connected to the suspension (3) on one side thereof; the columns (403) are fixedly connected between the top frame (401) and the bottom frame (402); and the first hydraulic cylinder (405) and the second hydraulic cylinder (404) are fixedly connected to the outside of the columns (403); The correction frame (2) comprises a correction roller (201) and a core ring (205); the top and bottom of the correction roller (201) are both rotatably connected to a connection block (202); the outer side of the connection block (202) is rotatably connected to a bonding frame (203); the outer side of the bonding frame (203) away from the correction roller (201) is rotatably connected to a hanging ring (204); the side of the hanging ring (204) close to the core ring (205) is fixedly connected to an inclined frame (206); the side of the inclined frame (206) close to the core ring (205) and the core ring (205) is fixedly connected, the outer side of the core ring (205) is provided with an external thread, the outer side of the core ring (205) is threadedly connected to a transmission ring (207), the outer side of the transmission ring (207) is slidably connected to a fitting ring (208), the outer side of the fitting ring (208) and the inner side of the fitting frame (203) are fixedly connected to a rotating frame (209), the inner side of the rotating frame (209) is rotatably connected to a pull rod (210), and the inner side of the inner rotating frame (209) is movably connected to the outer rotating frame (209) through the pull rod (210).

2. The device for in-situ precise measurement, control and correction of the screw of a screw gate hoist according to claim 1, characterized in that: The outer side of the mounting bracket (1) is fixedly connected to a stabilizing frame (6), and the inner side of the stabilizing frame (6) is snap-connected to the chassis of the gate hoist.

3. The in-situ precise measurement, control and correction device for the screw of the screw gate hoist according to claim 1 is characterized by: The inner side of the suspension (3) is slidably connected to a limit rod (7), the top of the limit rod (7) is fixedly connected to a limit plate (8), and the outer side of the limit rod (7) is fixedly connected to the mounting bracket (1).

4. The device for in-situ precise measurement, control and correction of the screw of a screw gate hoist according to claim 1 is characterized in that: The outer side of the column (403) is fixedly connected to a reinforcement frame (9), and the outer sides of the first hydraulic cylinder (405) and the second hydraulic cylinder (404) are both fixedly connected to the reinforcement frame (9).

5. The device for in-situ precise measurement, control and correction of the screw of a screw gate hoist according to claim 1 is characterized in that: An integrally formed convex plate (10) is provided on the outer side of the fitting ring (208), and two adjacent convex plates (10) are movably connected via bolts. The surface of the transmission ring (207) is provided with anti-slip patterns.

6. The device for in-situ precise measurement, control and correction of the screw of a screw gate hoist according to claim 1, characterized in that: A sliding groove is provided on the inner side of the transmission ring (207), a sliding block (11) is slidably connected to the inner side of the sliding groove, and the outer side of the sliding block (11) is fixedly connected to the fitting ring (208).

7. The device for in-situ precise measurement, control and correction of the screw of a screw gate hoist according to claim 1 is characterized in that: The outer side of the top laminating frame (203) is rotatably connected to a load-bearing beam (12), the bottom of the load-bearing beam (12) is in contact with the bottom laminating frame (203), and the outer side of the load-bearing beam (12) is fixedly connected to a load-bearing sheet (13) used in conjunction with the first hydraulic cylinder (405) and the second hydraulic cylinder (404).

8. The device for in-situ precise measurement, control and correction of the screw of a screw gate hoist according to claim 7 is characterized in that: The telescopic ends of the first hydraulic cylinder (405) and the second hydraulic cylinder (404) are fixedly connected to a wheel frame (14), the inner side of the wheel frame (14) is rotatably connected to a push wheel (15), and the push wheel (15) and the force-bearing plate (13) are used in conjunction with each other.

9. The in-situ precise measurement, control and correction device for the screw of the screw gate hoist according to claim 1 is characterized by: A short shaft (16) is fixedly connected to the inner side of the right suspension ring (204), and the outer side of the short shaft (16) is rotatably connected to the left suspension ring (204). A pin groove is provided on the front side of the suspension ring (204), and a U-shaped pin (17) is inserted into the inner side of the pin groove. The bottom of the U-shaped pin (17) is threadedly connected to a limiting screw.

10. The device for in-situ precise measurement, control and correction of the screw of a screw gate hoist according to claim 1, characterized in that: The top of the hanging ring (204) is fixedly connected to a ferrule (18), and the outer side of the ferrule (18) is slidably connected to two outer hoops (19), the rear sides of the two outer hoops (19) are rotatably connected via a hinge, the front sides of the two outer hoops (19) are snap-fitted, and the left side of the left outer hoop (19) is fixedly connected to the top frame (401).

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