A cross bulkhead manhole hoop ring processing device and installation method

Abstract

This invention discloses a processing device and installation method for a manhole hoop ring in a diaphragm. The processing device includes a straightening rod assembly, which comprises a telescopic rod, a screw top plate, a hoop ring clamping plate, and a locking component. The screw top plate is located at both ends of the telescopic rod, and the locking component is located between the screw top plate and the hoop ring clamping plate. The installation method includes the following steps: 1. Fixing the half hoop ring on a straightening platform; 2. Preheating the half hoop ring using a hoop ring reciprocating heater; 3. Straightening the half hoop ring by bending; 4. Fixing the straightening rod assembly onto the half hoop ring; 5. Installing the half hoop ring into the manhole of the diaphragm; 6. Straightening the half hoop ring using the straightening rod assembly and spot welding it in place. The processing device in this invention is easy to adjust and highly applicable, solving the problem of installation issues caused by size mismatch between the existing hoop ring and the manhole of the diaphragm. The installation method is easy to operate, step-by-step, and has low operational difficulty. Adjustments can be made promptly during installation, ensuring installation quality.

Description

Technical Field

[0001] This invention belongs to the field of steel box girder construction technology, and particularly relates to a processing device and installation method for manhole rings in transverse diaphragms. Background Technology

[0002] With the continuous advancement of urban transportation construction, the construction of elevated bridges has entered an unprecedented period of development. Existing elevated bridges usually adopt a bridge structure that combines reinforced concrete and steel structure. Reinforced concrete has a lower cost but a longer construction period, while steel structure bridges are produced in modular form in factories and assembled on site, resulting in a shorter construction period. Therefore, steel structure bridges, such as steel box girders, have been widely used recently.

[0003] The diaphragms of steel box girders are typically designed with elliptical manholes. An elliptical hoop is welded to the inside of the manhole to improve strength and safety. Because of the elliptical structure, the hoop is difficult to process and bend. It cannot be done on a plate rolling machine, and manual bending is even more difficult. Furthermore, the dimensions of the processed hoop are prone to mismatch with the manhole dimensions, leading to difficulties in subsequent installation and positioning, and increased time consumption. Therefore, the processing of the hoop is a major challenge in the manufacturing process of steel structure bridges. Summary of the Invention

[0004] The purpose of this invention is to solve the above-mentioned technical problems existing in the prior art, and to provide a processing device and installation method for manhole rings of diaphragms. The processing device has a novel structure, is easy to adjust, and has strong applicability. It solves the problem that the installation is affected by the size mismatch between the existing rings and the manholes of the diaphragms. The installation method is easy to operate, proceeds step by step from part to whole, has low operation difficulty, and can be adjusted in time during the installation process to ensure the installation quality.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A processing device for manhole clamps in transverse diaphragms is characterized by comprising a straightening rod assembly for tightening the clamp to ensure it fits snugly against the manhole opening. The straightening rod assembly includes a telescopic rod, a screw top plate, a clamping plate, and a locking element. The screw top plate is located at both ends of the telescopic rod, and the locking element is positioned between the screw top plate and the clamping plate. The locking element adjusts the distance between the screw top plate and the clamping plate, allowing the screw top plate to engage with the clamping plate to hold the clamp. This processing device features a novel structure, convenient adjustment, and strong applicability, solving the problem of dimensional mismatch between existing clamps and manhole openings in transverse diaphragms, which hinders installation.

[0007] Furthermore, the telescopic rod includes a sleeve and a screw. The screw is screwed to both ends of the sleeve, and the top plate of the screw is movably connected to the screw. The overall length is flexible and variable, thus it is suitable for hoops of different sizes. It has strong applicability, is easy to adjust, and is highly practical.

[0008] Furthermore, the locking component includes a stud and a nut. The nut is connected to the stud, which passes through the top plate of the screw rod and is fixed to the clamping plate of the hoop. The nut presses against the top plate of the screw rod, causing the top plate of the screw rod to cooperate with the clamping plate to hold the hoop. It can adapt to hoops of different thicknesses, has strong adaptability, and the locking component has a simple structure, reliable fixation, and is economical and practical.

[0009] Furthermore, the system includes a straightening platform for straightening the semi-hoop ring by bending. The straightening platform comprises a base, a U-shaped baffle, and an adjustable inclined pull member. The base has an arc-shaped support surface corresponding to the semi-hoop ring. The U-shaped baffle is located on both sides of the base and is used to prevent the semi-hoop ring from detaching laterally from the arc-shaped support surface. The end of the U-shaped baffle has a limiting post, which is used to prevent the semi-hoop ring from detaching vertically from the arc-shaped support surface, thus limiting the semi-hoop ring to the base, making it less prone to free sliding and ensuring high stability. The adjustable inclined pull member fits around the end plate of the semi-hoop ring and pulls it from both sides, causing the arc segment of the semi-hoop ring to adhere to the arc-shaped support surface, thereby straightening the semi-hoop ring by bending and improving the processing quality of the semi-hoop ring.

[0010] Furthermore, the adjustable inclined tie includes a sleeve joint, a hand chain hoist, and a base. The sleeve joint has a sleeve corresponding to the end plate of the semi-hoop ring. The hand chain hoist is connected between the base and the sleeve joint. By rotating the hand chain hoist, the length of the chain can be adjusted, the tension on the sleeve joint can be changed, and the end plate of the semi-hoop ring can be corrected.

[0011] Furthermore, a pin is inserted into the U-shaped baffle, and the base has a corresponding insertion hole. The pin restricts the U-shaped baffle from freely detaching from the base, ensuring reliable installation. The detachable design allows for easy installation and use, offering flexibility and convenience. It replaces the bolt fixing method, making operation labor-saving and convenient.

[0012] Furthermore, it also includes a hoop reciprocating heater, which is used to uniformly heat the hoop. The hoop reciprocating heater includes a drive mechanism, a fixed bracket, a guide rail, a cylindrical cam, a sliding sleeve, a sliding rod, and a flame heater. The drive mechanism and the guide rail are mounted on the fixed bracket. The flame heater is located at one end of the sliding rod, and the sliding rod is located at one end of the sliding sleeve. The cylindrical cam is slidably connected inside the sliding sleeve. The output end of the drive mechanism is connected to the cylindrical cam. The drive mechanism drives the cylindrical cam to rotate, and the cylindrical cam drives the sliding sleeve to slide back and forth. The sliding sleeve drives the flame heater to move back and forth through the sliding rod, uniformly heating the hoop, reducing the hardness of the hoop, improving its plasticity, making it easier to process and shape, and reducing the difficulty of subsequent straightening.

[0013] Furthermore, the cylindrical cam has a track groove on its surface, and the sliding sleeve has symmetrically distributed limit pins corresponding to the track groove. The sliding rod has a limit groove, and the guide rail has a limit block. The limit block is located in the limit groove to restrict the rotation of the sliding rod. During the rotation of the cylindrical cam, the cylindrical cam drives the limit pin to move through the track groove. The sliding rod is restricted by the limit block and cannot rotate, so that the sliding sleeve makes linear reciprocating motion. The structure is compact and the motion is highly stable.

[0014] A method for installing a manhole clamp on a diaphragm, characterized by the following steps:

[0015] (a) First, place the half hoop on the arc-shaped support surface of the base, and then install U-shaped baffles on both sides of the base to restrict the half hoop from sliding off the base.

[0016] (b) The half-ring is preheated using a ring reciprocating heater;

[0017] (c) Fit the sleeve joint onto the end plate of the half hoop, install a hand chain hoist between the bearing platform and the sleeve joint, rotate the hand chain hoist to tighten the end plate of the half hoop, and perform bidirectional correction on the half hoop.

[0018] (d) Cut off the excess portion of the end plate of the diaphragm according to the size of the manhole in the diaphragm;

[0019] (e) Steel plates are welded to both sides of the semi-hoop ring;

[0020] (f) Place the end plate of the half hoop between the top plate of the screw and the hoop clamping plate, rotate the nut to make it press against the top plate of the screw, and clamp the end plate of the half hoop through the top plate of the screw and the hoop clamping plate to fix the straightening rod assembly on the half hoop.

[0021] (g) Place both half-hoops into the manhole of the diaphragm until the steel plate touches the diaphragm, thus completing the positioning of the two half-hoops on the diaphragm.

[0022] (h) Fix the sleeve with a wrench, then rotate the screws at both ends of the sleeve outward. The screws drive the screw top plate to move outward, so that the screw top plate presses against the inner wall of the end plate of the half hoop, so that the half hoop fits tightly against the manhole of the transverse partition, and then spot welds it in place.

[0023] (i) Loosen the nut and rotate the screw in the opposite direction. The screw will cause the screw top plate to disengage from the half-hoop ring and move upward out of the straightening rod assembly.

[0024] (j) Rotate the straightening rod assembly by 90°, put the screw top plate and the clamping plate on the arc segment of the half-clamping ring, and then tighten the nut so that the screw top plate and the clamping plate hold the arc segment of the half-clamping ring, so that one straightening rod assembly can simultaneously fix two half-clamping rings.

[0025] (k) Refer to (h) to operate the sleeve and screw, so that the top plate of the screw is pressed against the inner wall of the arc section of the half hoop, so that the half hoop is tightly fitted with the manhole of the transverse partition, and then spot welded to fix it.

[0026] (l) Spot weld the connection between the two half-hoops to form a complete hoop, thus completing the assembly.

[0027] Furthermore, in step (b), the method for preheating the half-ring by the reciprocating heater of the hoop ring is as follows: first, move the reciprocating heater of the hoop ring so that the nozzle of the flame heater is placed above the half-ring ring; then, start the drive mechanism and the flame heater. The drive mechanism drives the cylindrical cam to rotate, and the cylindrical cam drives the sliding sleeve to slide back and forth. The sliding sleeve drives the flame heater to move back and forth through the sliding rod, so as to uniformly heat the half-ring ring. The heating effect is good, the degree of automation is high, it replaces manual operation, and the work efficiency is high, saving labor and convenience.

[0028] Furthermore, the installation method of the U-shaped baffle in step (a) is to insert the U-shaped baffle into the slot on the side of the base, and then insert a pin into the U-shaped baffle so that the pin is inserted into the hole of the base, thereby limiting the U-shaped baffle on the base. The operation is simple, it can be used immediately after installation, the installation difficulty is low, and it replaces the bolt fixing method, saving effort and convenience.

[0029] The present invention, by adopting the above-described technical solution, has the following beneficial effects:

[0030] 1. When using the straightening rod assembly, first press the top plate of the screw rod with the nut so that the top plate of the screw rod and the clamping plate of the clamping ring can hold the clamping ring. Then rotate the screw rod outward. The screw rod drives the top plate of the screw rod to move outward, so that the top plate of the screw rod presses against the inner wall of the clamping ring, so that the clamping ring fits tightly with the manhole of the transverse partition. This solves the problem of installation being affected by the size mismatch between the existing clamping ring and the manhole of the transverse partition.

[0031] 2. When using the straightening platform, place the semi-hoop ring on the arc-shaped support surface, and then install U-shaped baffles on both sides of the base. The ends of the U-shaped baffles are equipped with limiting posts, which are located above the arc-shaped support surface. The U-shaped baffles prevent the semi-hoop ring from detaching laterally from the arc-shaped support surface, and the limiting posts prevent the semi-hoop ring from detaching upward from the arc-shaped support surface, thus limiting the semi-hoop ring on the base, making it less prone to free sliding and ensuring high stability. Then, rotate the hand chain hoist to adjust the chain length and change the tension on the sleeve joint. Pull the semi-hoop ring on both sides to make the arc segment of the semi-hoop ring fit against the arc-shaped support surface, thus straightening the semi-hoop ring and improving the processing quality of the semi-hoop ring.

[0032] 3. When the hoop reciprocating heater is in use, the servo motor drives the cylindrical cam to rotate. The cylindrical cam drives the limit pin to move through the track groove. The slide rod is restricted by the limit block and cannot rotate, so the slide sleeve makes linear reciprocating motion. The slide sleeve drives the flame heater to move back and forth through the slide rod, so as to uniformly heat the hoop on the base, reduce the hardness of the hoop, improve its plasticity, make it easier to process and shape, and reduce the difficulty of subsequent correction.

[0033] 4. Compared with the traditional assembly method, it reduces the damage to the surface of the hoop by welding and grinding, and can quantify the straightening and assembly operations, thus improving processing efficiency.

[0034] 5. The installation method is easy to operate, proceeding step by step from partial to overall, with low operation difficulty. Adjustments can be made in a timely manner during the installation process, ensuring installation quality. Attached Figure Description

[0035] The present invention will be further described below with reference to the accompanying drawings:

[0036] Figure 1 This is a schematic diagram of the installation of the hoop on the transverse diaphragm in this invention;

[0037] Figure 2 This is a schematic diagram of the straightening rod assembly used to straighten the hoop in this invention;

[0038] Figure 3 This is a schematic diagram of the structure of the correction platform and the reciprocating heater of the hoop ring used to correct the half hoop ring in this invention;

[0039] Figure 4 This is a schematic diagram of the reciprocating heater with a hoop ring in this invention;

[0040] Figure 5 This is a schematic diagram showing the positional relationship between the cylindrical cam and the guide rail in this invention;

[0041] Figure 6 This is a schematic diagram of the connection between the slide rod and the guide rail in this invention;

[0042] Figure 7 This is a schematic diagram of the structure of the correction platform in this invention for correcting the semi-hoop ring;

[0043] Figure 8 This is a schematic diagram of the base structure in this invention;

[0044] Figure 9 This is a schematic diagram of the corrector rod assembly in this invention;

[0045] Figure 10 This is a schematic diagram of the structure of the diaphragm in this invention.

[0046] In the diagram: 1-Correcting rod assembly; 2-Correcting platform; 3-Reciprocating hoop heater; 4-Screw top plate; 5-Hoop clamping plate; 6-Sleeve; 7-Screw; 8-Stud; 9-Nut; 10-Divider; 11-Base; 12-U-shaped baffle; 13-Slot; 14-Pin; 15-Half hoop; 16-Arc-shaped support surface; 17-Limiting post; 18-Sleeve joint; 19-Hand chain hoist; 20-Bearing platform; 21-Fixed bracket; 22-Guide rail; 23-Cylindrical cam; 24-Sliding sleeve; 25-Sliding rod; 26-Flame heater; 27-Servo motor; 28-Nozzle; 29-Trajectory groove; 30-Limiting pin; 31-Limiting groove; 32-Limiting block; 33-Handle; 34-Steel plate. Detailed Implementation

[0047] like Figures 1 to 10 As shown, this invention discloses a manhole clamping ring processing device for a diaphragm, comprising a straightening rod assembly 1, a straightening platform 2, and a clamping ring reciprocating heater 3. The straightening rod assembly 1 includes a telescopic rod, a screw top plate 4, a clamping ring clamping plate 5, and a locking component. The clamping ring clamping plate 5 is L-shaped. The telescopic rod includes a sleeve 6 and a screw 7. The screw 7 is screwed to both ends of the sleeve 6. The screw top plate 4 is movably connected to one end of the screw 7 via a bearing. Rotating the screw 7 allows for flexible changes in the length of the telescopic rod, thus adapting to clamping rings of different sizes. It is highly adaptable, easy to adjust, and practical. The locking component includes a stud 8 and a nut 9. The nut 9 is connected to the stud 8, which passes through the screw top plate 4 and is fixed to the clamping ring clamping plate 5. The nut 9 presses against the screw top plate 4, causing the screw top plate 4 to cooperate with the clamping ring clamping plate 5 to hold the clamping ring. This device can adapt to clamping rings of different thicknesses, offering strong adaptability. The locking component has a simple structure, reliable fixation, and is economical and practical.

[0048] In use, first, the screw top plate 4 is pressed against the nut 9, so that the screw top plate 4 and the hoop clamping plate 5 clamp the hoop. Then, the screw 7 is rotated outward, and the screw 7 drives the screw top plate 4 to move outward, so that the screw top plate 4 presses against the inner wall of the hoop, so that the hoop fits tightly with the manhole of the transverse partition 10, which solves the problem of installation being affected by the size mismatch between the existing hoop and the manhole of the transverse partition 10.

[0049] The correction platform 2 includes a base 11, a U-shaped baffle 12 and an adjustable inclined pull member. Both sides of the base 11 are provided with slots 13 corresponding to the U-shaped baffle 12. A pin 14 is inserted into the U-shaped baffle 12. The side of the slot 13 is provided with a hole corresponding to the pin 14.

[0050] During installation, first insert the U-shaped baffle 12 into the slot 13, and then insert the pin 14 into the socket. The pin 14 restricts the U-shaped baffle 12 from freely detaching from the base 11. The installation is reliable, the design is detachable, it can be installed and used immediately, it is flexible and convenient, and it replaces the bolt fixing method, making operation labor-saving and convenient.

[0051] The base 11 is provided with an arc-shaped support surface 16 corresponding to the semi-hoop ring 15. The semi-hoop ring 15 is placed on the arc-shaped support surface 16, and then U-shaped baffles 12 are installed on both sides of the base 11. The ends of the U-shaped baffles 12 are provided with limiting posts 17. The limiting posts 17 are located above the arc-shaped support surface 16. The U-shaped baffles 12 prevent the semi-hoop ring 15 from moving laterally away from the arc-shaped support surface 16, and the limiting posts 17 prevent the semi-hoop ring 15 from moving upward away from the arc-shaped support surface 16, so that the semi-hoop ring 15 is limited on the base 11, is not easy to slide freely, and has high stability.

[0052] The adjustable inclined tie includes a sleeve joint 18, a hand chain hoist 19, and a base 20. The sleeve joint 18 has a sleeve corresponding to the end plate of the half hoop 15. The hand chain hoist 19 is connected between the base 20 and the handle of the sleeve joint 18 through a locking hook. The base 20 is heavy, and the hand chain hoist 19 pulls the sleeve joint 18 to correct the bending arc of the half hoop 15.

[0053] Rotating the hand chain hoist 19 adjusts the chain length, changes the tension on the sleeve joint 18, and pulls on both sides of the half hoop 15, causing the arc segment of the half hoop 15 to fit against the arc-shaped support surface 16, thus correcting the arc of the half hoop 15 and improving the processing quality of the half hoop 15.

[0054] The reciprocating ring heater 3 includes a drive mechanism, a fixed bracket 21, a guide rail 22, a cylindrical cam 23, a sliding sleeve 24, a sliding rod 25, and a flame heater 26. The drive mechanism uses a servo motor 27. The drive mechanism and the guide rail 22 are mounted on the fixed bracket 21. The flame heater 26 has nozzles 28 evenly distributed on it and is located at one end of the sliding rod 25. The sliding rod 25 is located at one end of the sliding sleeve 24. The surface of the cylindrical cam 23 has a track groove 29. The sliding sleeve 24 has symmetrically distributed limiting pins 30 corresponding to the track grooves 29. The sliding rod 25 has a limiting groove 31. A limiting block 32 is provided on the rail 22. The limiting block 32 is located in the limiting groove 31. The output end of the servo motor 27 is connected to the cylindrical cam 23. The servo motor 27 drives the cylindrical cam 23 to rotate. The cylindrical cam 23 drives the limiting pin 30 to move through the track groove 29. The slide rod 25 is restricted by the limiting block 32 and cannot rotate, so the slide sleeve 24 makes linear reciprocating motion. The slide sleeve 24 drives the flame heater 26 to move back and forth through the slide rod 25, so as to uniformly heat the hoop on the base 11, reduce the hardness of the hoop, improve its plasticity, make it easier to process and form, and reduce the difficulty of subsequent correction.

[0055] A method for installing a 10-manhole clamp on a diaphragm includes the following steps:

[0056] (a) Measure the deformation of the half hoop 15. First, place the half hoop 15 on the arc-shaped support surface 16 of the base 11. Then, install the U-shaped baffles 12 on both sides of the base 11. The specific method is as follows: insert the U-shaped baffles 12 into the slots 13 on the side of the base 11, and then insert the pins 14 into the U-shaped baffles 12 so that the pins 14 are inserted into the holes of the base 11, so that the U-shaped baffles 12 are limited on the base 11. The operation is simple, it can be used immediately after installation, the installation difficulty is low, and it replaces the bolt fixing method, which is labor-saving and convenient.

[0057] (b) The reciprocating ring heater 3 is used to preheat the half ring 15. The specific method is as follows: First, move the reciprocating ring heater 3 so that the nozzle 28 of the flame heater 26 is placed above the half ring 15. Then, start the servo motor and the flame heater 26. The servo motor drives the cylindrical cam 23 to rotate. The cylindrical cam 23 drives the sliding sleeve 24 to slide back and forth. The sliding sleeve 24 drives the flame heater 26 to move back and forth through the sliding rod 25 to uniformly heat the half ring 15. The heating effect is good, the degree of automation is high, it replaces manual operation, the work efficiency is high, and it is labor-saving and convenient.

[0058] (c) Fit the end plate of the half hoop 15 with the sleeve joint 18, install the hand chain hoist 19 between the bearing platform 20 and the handle 33 of the sleeve joint 18, rotate the hand chain hoist 19 to shorten the chain, and the hand chain hoist 19 tightens the end plate of the half hoop 15 through the sleeve joint 18 to perform bidirectional correction of the half hoop 15.

[0059] (d) Based on the manhole size of the diaphragm 10, draw a reference line on the end plate of the semi-hoop ring 15 and mark it as the excess part. Design the end plate allowance of the semi-hoop ring 15 and cut it off with a cutting machine.

[0060] (e) Draw reference lines on the half-hoop ring 15, and weld steel plate 34 on the side of the half-hoop ring 15 according to the reference lines. This reduces the difficulty of operation and ensures the welding quality of steel plate 34.

[0061] (f) Place the end plate of the half hoop 15 between the screw top plate 4 and the hoop clamping plate 5, rotate the nut 9 so that it presses against the screw top plate 4, and clamp the end plate of the half hoop 15 through the screw top plate 4 and the hoop clamping plate 5, so that the straightening rod assembly 1 is fixed on the half hoop 15. At this time, the straightening rod assembly 1 plays a solidifying role on the half hoop 15, which can prevent the half hoop 15 from deforming freely.

[0062] Nut 9 restricts the screw top plate 4 from sliding outward. The screw top plate 4, the hoop clamping plate 5, and the half hoop 15 are in close contact inside and out, with high friction and low relative movement. The distance between the screw top plate 4 and the hoop clamping plate 5 is flexible and can be adjusted to adapt to the actual thickness of the half hoop 15, making it easy to operate and flexible.

[0063] (g) Place both half-hoops 15 into the manhole of the transverse partition 10 until the steel plate 34 touches the transverse partition 10, thus completing the positioning of the two half-hoops 15 on the transverse partition 10. The steel plate 34 restricts the depth of the half-hoops 15 into the manhole of the transverse partition 10. The positioning is simple and solves the problem of difficult installation and positioning caused by the size mismatch between the existing hoop and the manhole of the transverse partition 10. The installation efficiency is high and the installation quality is guaranteed.

[0064] (h) Secure the sleeve 6 with a wrench, then rotate the screws 7 at both ends of the sleeve 6 outwards. The screws 7 drive the screw top plate 4 to move outwards, causing the screw top plate 4 to press against the inner wall of the end plate of the half-hoop ring 15, making the half-hoop ring 15 fit tightly against the manhole of the transverse partition 10, and then spot weld it in place. At this time, the half-hoop ring 15 is compatible with the size of the manhole, eliminating the gap at the contact point between the two and improving the installation quality of the half-hoop ring 15 in the manhole.

[0065] (i) Loosen the nut 9 and rotate the screw 7 in the opposite direction. The screw 7 drives the screw top plate 4 to disengage from the half hoop 15 and move upward out of the straightening rod assembly 1.

[0066] (j) Rotate the straightening rod assembly 1 by 90°, put the screw top plate 4 and the hoop clamping plate 5 on the arc segment of the half hoop 15, and then tighten the nut 9 so that the screw top plate 4 and the hoop clamping plate 5 clamp the arc segment of the half hoop 15, so that one straightening rod assembly 1 can simultaneously fix two half hoops 15.

[0067] (k) Referring to (h), operate sleeve 6 and screw 7 to make screw top plate 4 press against the inner wall of the arc segment of half hoop 15, so that half hoop 15 fits tightly against the manhole of transverse partition 10, and then spot weld it in place. The contact between half hoop 15 and the inner wall of the manhole is more comprehensive and tighter, ensuring the installation quality of half hoop 15 in the manhole.

[0068] The straightening rod assembly 1 can not only straighten one half hoop 15 at both ends, but also straighten two half hoop 15 at the same time. It has a simple structure and is economical and practical.

[0069] (l) The connection between the two half-hoops 15 is spot-welded to fix them together, and the two half-hoops 15 form a complete hoop, thus completing the assembly. The two half-hoops 15 are connected as one, which is not easy to separate, and the structure is stable and reliable, thereby improving the reinforcement effect of the hoop on the manhole.

[0070] (m) The steel plate 34 is cut off by a cutting machine.

[0071] The above are merely specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on the present invention to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of the present invention.

Claims

1. A device for processing manhole rings for transverse diaphragms, characterized in that: The system includes a straightening rod assembly and a straightening platform. The straightening rod assembly is used to tighten the hoop ring so that the hoop ring fits into the manhole of the transverse diaphragm. The straightening platform is used to straighten the bending arc of the half hoop ring. The corrective rod assembly includes a telescopic rod, a screw top plate, a clamping ring plate, and a locking member. The screw top plate is located at both ends of the telescopic rod, and the locking member is located between the screw top plate and the clamping ring plate. The locking member is used to change the distance between the screw top plate and the clamping ring plate, so that the screw top plate cooperates with the clamping ring plate to clamp the clamping ring. The correction platform includes a base, a U-shaped baffle, and an adjustable inclined pull member. The base has an arc-shaped support surface corresponding to the semi-hoop ring. The U-shaped baffle is located on both sides of the base and is used to prevent the semi-hoop ring from detaching laterally from the arc-shaped support surface. The end of the U-shaped baffle is provided with a limiting post, which is used to prevent the semi-hoop ring from detaching vertically from the arc-shaped support surface. The adjustable inclined pull member fits over the end plate of the semi-hoop ring and pulls and corrects the semi-hoop ring.

2. The diaphragm manhole clamp processing device according to claim 1, characterized in that: The telescopic rod includes a sleeve and a screw rod. The screw rod is screwed to both ends of the sleeve, and the top plate of the screw rod is movably connected to the screw rod. The locking element includes a stud and a nut. The nut is connected to the stud, and the stud passes through the top plate of the screw rod and is fixed to the clamping plate of the clamping ring. The nut presses against the top plate of the screw rod, so that the top plate of the screw rod cooperates with the clamping plate to clamp the clamping ring.

3. The device for processing manhole rings for diaphragms according to claim 1, characterized in that: The adjustable inclined tie includes a sleeve joint, a hand chain hoist, and a support platform. The sleeve joint has a sleeve opening corresponding to the end plate of the semi-hoop ring, and the hand chain hoist is connected between the support platform and the sleeve joint.

4. The diaphragm manhole clamp processing device according to claim 1, characterized in that: A pin is inserted into the U-shaped baffle, and the base is provided with a corresponding insertion hole for the pin, so that the base can be detachably connected to the U-shaped baffle.

5. The device for processing manhole rings for diaphragms according to claim 1, characterized in that: It also includes a hoop reciprocating heater, which is used to uniformly heat the hoop. The hoop reciprocating heater includes a drive mechanism, a fixed bracket, a guide rail, a cylindrical cam, a sliding sleeve, a sliding rod, and a flame heater. The drive mechanism and the guide rail are mounted on the fixed bracket. The flame heater is located at one end of the sliding rod, and the sliding rod is located at one end of the sliding sleeve. The cylindrical cam is slidably connected inside the sliding sleeve. The output end of the drive mechanism is connected to the cylindrical cam. The drive mechanism drives the cylindrical cam to rotate, and the cylindrical cam drives the sliding sleeve to slide back and forth. The sliding sleeve drives the flame heater to move back and forth through the sliding rod.

6. The diaphragm manhole clamp processing device according to claim 5, characterized in that: The cylindrical cam has a track groove on its surface, and the sliding sleeve has symmetrically distributed limiting pins corresponding to the track groove. The sliding rod has a limiting groove, and the guide rail has a limiting block. The limiting block is located in the limiting groove to restrict the rotation of the sliding rod.

7. A method for installing a manhole clamp for a diaphragm, using a manhole clamp processing device for a diaphragm as described in claim 5, characterized in that... Includes the following steps: (a) First, place the half hoop on the arc-shaped support surface of the base, and then install U-shaped baffles on both sides of the base to restrict the half hoop from sliding off the base. (b) The half-ring is preheated using a reciprocating ring heater; (c) Fit the sleeve joint onto the end plate of the half hoop, install a hand chain hoist between the bearing platform and the sleeve joint, rotate the hand chain hoist to tighten the end plate of the half hoop, and perform bidirectional correction on the half hoop. (d) Based on the manhole size of the diaphragm, cut off the excess portion of the end plate of the half hoop; (e) Steel plates are welded to both sides of the semi-hoop ring; (f) Place the end plate of the half hoop between the top plate of the screw and the hoop clamping plate, rotate the nut to make it press against the top plate of the screw, and clamp the end plate of the half hoop through the top plate of the screw and the hoop clamping plate to fix the straightening rod assembly on the half hoop. (g) Place both half-hoops into the manhole of the diaphragm until the steel plate touches the diaphragm, thus completing the positioning of the two half-hoops on the diaphragm. (h) Fix the sleeve with a wrench, then rotate the screws at both ends of the sleeve outward. The screws drive the screw top plate to move outward, so that the screw top plate presses against the inner wall of the end plate of the half hoop, so that the half hoop fits tightly against the manhole of the transverse partition, and then spot welds it in place. (i) Loosen the nut and rotate the screw in the opposite direction. The screw will cause the top plate of the screw to disengage from the half-hoop ring and move upward out of the straightening rod assembly; (j) Rotate the straightening rod assembly by 90°, put the screw top plate and the clamping plate on the arc segment of the half-clamping ring, and then tighten the nut so that the screw top plate and the clamping plate clamp the arc segment of the half-clamping ring, so that one straightening rod assembly can simultaneously fix two half-clamping rings. (k) Refer to (h) to operate the sleeve and screw, so that the top plate of the screw is pressed against the inner wall of the arc section of the half hoop, so that the half hoop is tightly fitted with the manhole of the transverse partition, and then spot welded to fix it; (l) Spot weld the connection between the two half-hoops to form a complete hoop, thus completing the assembly.

8. The method for installing a manhole clamp on a diaphragm according to claim 7, characterized in that: In step (b), the preheating method of the hoop reciprocating heater for the half hoop is to first move the hoop reciprocating heater so that the nozzle of the flame heater is placed above the half hoop. Then, the drive mechanism and the flame heater are started. The drive mechanism drives the cylindrical cam to rotate, the cylindrical cam drives the sliding sleeve to slide back and forth, and the sliding sleeve drives the flame heater to move back and forth through the sliding rod to heat the half hoop evenly.

9. The method for installing a manhole clamp on a diaphragm according to claim 7, characterized in that: The installation method of the U-shaped baffle in step (a) is to insert the U-shaped baffle into the slot on the side of the base, and then insert a pin into the U-shaped baffle so that the pin is inserted into the socket of the base, thereby limiting the U-shaped baffle on the base.

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