CN117655163A - Diaphragm plate manhole hoop machining device and mounting method - Google Patents
Diaphragm plate manhole hoop machining device and mounting method Download PDFInfo
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- CN117655163A CN117655163A CN202311616670.1A CN202311616670A CN117655163A CN 117655163 A CN117655163 A CN 117655163A CN 202311616670 A CN202311616670 A CN 202311616670A CN 117655163 A CN117655163 A CN 117655163A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003754 machining Methods 0.000 title description 2
- 238000012937 correction Methods 0.000 claims abstract description 41
- 238000012545 processing Methods 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 24
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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Abstract
The invention discloses a diaphragm manhole hoop processing device and an installation method, wherein the processing device comprises a correction rod assembly, the correction rod assembly comprises a telescopic rod, a screw top plate, a hoop clamping plate and locking pieces, the screw top plate is arranged at two ends of the telescopic rod, and the locking pieces are arranged between the screw top plate and the hoop clamping plate; the installation method comprises the following steps: 1. fixing the half-hoop on the correction platform; 2. preheating a half hoop by adopting a hoop reciprocating heater; 3. arc straightening is carried out on the semi-hoop; 4. fixing the correction rod assembly on the half-hoop; 5. installing the semi-hoop into a manhole of the diaphragm; 6. the semi-hoop is corrected by the correction rod assembly and fixed by spot welding. The invention has convenient adjustment of the adding tool and strong applicability, solves the problem that the installation is affected due to the unmatched size between the existing hoops and the manholes of the diaphragm plates, has easy operation, orderly steps and low operation difficulty, can be adjusted in time in the installation process, and ensures the installation quality.
Description
Technical Field
The invention belongs to the technical field of steel box girder construction, and particularly relates to a diaphragm plate manhole hoop processing device and an installation method.
Background
Along with the continuous promotion of urban traffic construction, the construction of overhead bridge has entered unprecedented development period, and current overpass adopts reinforced concrete and steel construction combined bridge structure generally, and reinforced concrete's cost is lower, but construction cycle is long, and steel construction bridge adopts mill's modularization production, and on-the-spot welding is assembled, and construction cycle is short, therefore steel construction bridge such as steel case roof beam recently obtains a large amount of uses.
The diaphragm plate of the steel box girder is usually designed with an oval manhole, and an oval hoop is welded on the inner side of the manhole to improve strength and safety. Because the hoop is oval structure, processing is bent comparatively difficultly, can't be under construction on the veneer reeling machine, and the manual work is bent more difficultly, and the mismatch appears easily in the hoop size of machine-shaping and manhole size, leads to follow-up installation location difficulty, consuming time long, and the processing of consequently the hoop is the difficult problem in the steel construction bridge manufacturing process.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a diaphragm manhole hoop processing device and a mounting method, wherein the processing device is novel in structure, convenient to adjust and high in applicability, the problem that the mounting is affected due to mismatching of sizes between the conventional hoop and a diaphragm manhole is solved, the mounting method is easy to operate, and the mounting method is orderly from partial to integral steps, is low in operation difficulty, can be adjusted in time in the mounting process, and ensures the mounting quality.
In order to solve the technical problems, the invention adopts the following technical scheme:
a diaphragm manhole hoop processingequipment, its characterized in that: the correcting rod assembly is used for propping the hoop, so that the hoop is attached to the manhole of the diaphragm plate; the correcting rod assembly comprises a telescopic rod, a screw top plate, a hoop clamping plate and locking pieces, wherein the screw top plate is arranged at two ends of the telescopic rod, the locking pieces are arranged between the screw top plate and the hoop clamping plate, and the locking pieces are used for changing the distance between the screw top plate and the hoop clamping plate so that the screw top plate is matched with the hoop clamping plate to clamp the hoops. The processing device is novel in structure, convenient to adjust and high in applicability, and solves the problem that installation is affected due to mismatching of sizes between the existing hoops and manholes of the diaphragm plates.
Further, the telescopic link includes sleeve and screw rod, and screw rod spiro union is at telescopic both ends, and screw rod roof swing joint screw rod, whole length is nimble changeable to be applicable to not unidimensional hoop, the suitability is strong, adjusts conveniently, and the practicality is strong.
Further, the retaining member comprises a stud and a nut, the nut is connected to the stud, the stud penetrates through the screw top plate and is fixed on the hoop clamping plate, the screw top plate is propped against the nut, the screw top plate is matched with the hoop clamping plate to clamp hoops, hoops with different thicknesses can be adapted, the adaptability is strong, the retaining member is simple in structure, reliable in fixation, economical and practical.
Further, the device comprises a correction platform, wherein the correction platform is used for correcting the arc of the semi-hoop; the correction platform comprises a base, a U-shaped baffle and an adjustable inclined pulling piece, wherein the base is provided with an arc-shaped supporting surface corresponding to the half-hoop, the U-shaped baffle is arranged on two sides of the base and used for blocking the half-hoop to be separated from the arc-shaped supporting surface transversely, the end part of the U-shaped baffle is provided with a limiting column, the limiting column is used for blocking the half-hoop to be separated from the arc-shaped supporting surface vertically, the half-hoop is limited on the base and is not easy to slide freely, the stability is high, the adjustable inclined pulling piece is sleeved on an end plate of the half-hoop, the two sides are pulled, an arc section of the half-hoop is attached to the arc-shaped supporting surface, and the half-hoop is subjected to arc bending correction, so that the processing quality of the half-hoop is improved.
Further, the adjustable cable-stayed piece comprises a sleeve plate joint, a chain block and a bearing platform, wherein the sleeve plate joint is provided with a sleeve opening corresponding to the end plate of the half-hoop, the chain block is connected between the bearing platform and the sleeve plate joint, the chain block is rotated, the length of the chain can be adjusted, the pulling force of the sleeve plate joint is changed, and the end plate of the half-hoop is corrected.
Further, the pin shaft is inserted on the U-shaped baffle, the jack corresponding to the pin shaft is arranged on the base, the pin shaft limits the U-shaped baffle to be freely separated from the base, the U-shaped baffle is reliable in installation and can be detachably designed, is convenient to use along with the installation, replaces a bolt fixing mode, and is labor-saving and convenient to operate.
Further, the device also comprises a hoop reciprocating heater, wherein the hoop reciprocating heater is used for uniformly heating the hoops; the hoop reciprocating heater comprises a driving mechanism, a fixed support, a guide rail, a cylindrical cam, a sliding sleeve, a sliding rod and a flame heater, wherein the driving mechanism and the guide rail are arranged on the fixed support, the flame heater is arranged at one end of the sliding rod, the sliding rod is arranged at one end of the sliding sleeve, the cylindrical cam is slidably connected in the sliding sleeve, the output end of the driving mechanism is connected with the cylindrical cam, the driving mechanism drives the cylindrical cam to rotate, 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, the hoop is uniformly heated, the hardness of the hoop is reduced, the plasticity is improved, the processing and forming are easy, and the difficulty of subsequent correction is reduced.
Further, the surface of the cylindrical cam is provided with a track groove, limit pins corresponding to the track groove are symmetrically distributed on the sliding sleeve, limit grooves are formed in the sliding rod, limit blocks are arranged on the guide rail, the limit blocks are located in the limit grooves to limit the sliding rod to rotate, in the rotating process of the cylindrical cam, the cylindrical cam drives the limit pins to move through the track groove, the sliding rod is limited by the limit blocks and cannot rotate, the sliding sleeve does linear reciprocating motion, the structure is compact, and the motion stability is high.
The method for installing the diaphragm manhole hoop is characterized by comprising the following steps of:
(a) Firstly, placing the half-hoop on an arc-shaped supporting surface of a base, then installing U-shaped baffles on two sides of the base, and limiting the half-hoop to slide off the base through the U-shaped baffles;
(b) Preheating a half hoop by adopting a hoop reciprocating heater;
(c) The sleeve plate joint is sleeved on the end plate of the half-hoop, a chain block is arranged between the bearing platform and the sleeve plate joint, and the chain block is rotated to enable the chain block to tighten the end plate of the half-hoop, so that the half-hoop is bidirectionally corrected;
(d) Cutting off redundant parts of end plates of the diaphragm plate according to the manhole size of the diaphragm plate;
(e) Welding steel plates on two sides of the half-hoop;
(f) Placing the end plate of the half-hoop between the screw top plate and the hoop clamping plate, rotating the nut to enable the nut to prop against the screw top plate, clamping the end plate of the half-hoop through the screw top plate and the hoop clamping plate, and fixing the correction rod assembly on the half-hoop;
(g) Placing the two half hoops into the manhole of the diaphragm plate until the steel plate is contacted with the diaphragm plate, and completing the positioning of the two half hoops on the diaphragm plate;
(h) Fixing the sleeve by a wrench, then outwards rotating screws at two ends of the sleeve, and driving a screw top plate to outwards move by the screws, so that the screw top plate tightly props against the inner wall of the end plate of the half-hoop, the half-hoop is tightly attached to the manhole of the diaphragm plate, and spot welding is performed for fixation;
(i) Unscrewing the nut, reversely rotating the screw rod, and driving the screw rod top plate to separate from the half-hoop by the screw rod, and moving out of the correction rod assembly upwards;
(j) Rotating the correction rod assembly by 90 degrees, sleeving the screw top plate and the hoop clamping plate on the arc sections of the half hoops, and then tightening the nuts to enable the screw top plate and the hoop clamping plate to clamp the arc sections of the half hoops, so that one correction rod assembly is fixedly connected with the two half hoops at the same time;
(k) The sleeve and the screw are operated according to the step (h), so that the top plate of the screw is tightly propped against the inner wall of the arc section of the half-hoop, the half-hoop is tightly attached to the manhole of the diaphragm plate, and spot welding is carried out for fixation;
(l) And spot welding and fixing are carried out on the joint of the two half hoops, the two half hoops form a complete hoop, and assembly is completed.
Further, the preheating method of the half hoops by the hoop reciprocating heater in the step (b) is that the hoop reciprocating heater is moved firstly, so that the nozzle of the flame heater is arranged above the half hoops, then the driving mechanism and the flame heater are started, the driving mechanism drives the cylindrical cam to rotate, 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, the half hoops are heated uniformly, the heating effect is good, the automation degree is high, manual operation is replaced, the working efficiency is high, and the heating device is labor-saving and convenient.
Further, the installation method of the U-shaped baffle in the step (a) is that the U-shaped baffle is inserted into the clamping groove on the side surface of the base, then a pin shaft is inserted into the U-shaped baffle, so that the pin shaft is inserted into the jack of the base, the U-shaped baffle is limited on the base, the operation is simple, the installation difficulty is low when the U-shaped baffle is installed, the bolt fixing mode is replaced, and the installation method is labor-saving and convenient.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. when the correction rod assembly is used, the screw top plate is propped against the screw top plate through the nut, the screw top plate is matched with the hoop clamping plate to clamp the hoop, then the screw is rotated outwards, the screw drives the screw top plate to move outwards, the screw top plate is propped against the inner wall of the hoop, the hoop is tightly attached to the manhole of the diaphragm, and the problem that installation is affected due to size mismatch between the existing hoop and the manhole of the diaphragm is solved.
2. When the correction platform is used, the half-hoop is placed on the arc-shaped supporting surface, then the U-shaped baffles are installed on the two sides of the base, the end parts of the U-shaped baffles are provided with limiting columns, the limiting columns are located above the arc-shaped supporting surface, the U-shaped baffles block the half-hoop from being transversely separated from the arc-shaped supporting surface, and the limiting columns block the half-hoop from being upwards separated from the arc-shaped supporting surface, so that the half-hoop is limited on the base and is not easy to freely slide, and the stability is high; and then the chain block is rotated, the length of the chain can be adjusted, the pulling force on the sleeve plate joint is changed, and the pulling is carried out on the two sides of the half-hoop, so that the arc section of the half-hoop is attached to the arc-shaped supporting surface, the half-hoop is subjected to arc bending correction, and the processing quality of the half-hoop is improved.
3. When the hoop reciprocating heater is used, the servo motor drives the cylindrical cam to rotate, the cylindrical cam drives the limiting pin to move through the track groove, the sliding rod is limited by the limiting block and cannot rotate, the sliding sleeve is made to do linear reciprocating motion, the sliding sleeve drives the flame heater to move back and forth through the sliding rod, the hoop on the base is uniformly heated, the hardness of the hoop is reduced, the plasticity is improved, the processing and forming are easy, and the subsequent correction difficulty is reduced.
4. Compared with the traditional assembly mode, the welding and polishing damage to the surface of the hoop is reduced, the correction and assembly operation can be quantified, and the processing efficiency is improved.
5. The installation method is easy to operate, is orderly in steps from partial to whole, has low operation difficulty, can be adjusted in time in the installation process, and ensures the installation quality.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the mounting of a hoop on a diaphragm plate in accordance with the present invention;
FIG. 2 is a schematic view of a correction rod assembly for correcting a hoop according to the present invention;
FIG. 3 is a schematic diagram of a correction platform and hoop reciprocating heater for correcting half hoops according to the present invention;
FIG. 4 is a schematic view of a hoop reciprocating heater according to the present invention;
FIG. 5 is a schematic view of the positional relationship between a cylindrical cam and a guide rail in the present invention;
FIG. 6 is a schematic view of the connection of the slide bar and the guide rail in the present invention;
FIG. 7 is a schematic diagram of a correction platform for correcting a semi-hoop according to the present invention;
FIG. 8 is a schematic view of a base structure according to the present invention;
FIG. 9 is a schematic view of a orthotic rod assembly according to the present invention;
fig. 10 is a schematic structural view of a diaphragm plate in the present invention.
In the figure: 1-a correction bar assembly; 2-correcting a platform; 3-hoop reciprocating heater; 4-screw top plate; a 5-hoop clamping plate; 6-sleeve; 7-a screw; 8-stud; 9-a nut; 10-diaphragm plates; 11-a base; 12-U-shaped baffle plates; 13-clamping grooves; 14-pin shafts; 15-semi-hoop; 16-arc-shaped supporting surface; 17-a limit column; 18-sleeve plate joint; 19-chain block; 20-bearing platform; 21-fixing a bracket; 22-a guide rail; 23-a cylindrical cam; 24-sliding sleeve; 25-slide bar; 26-flame heater; 27-a servo motor; 28-nozzles; 29-track grooves; 30-limiting pins; 31-limit grooves; 32-limiting blocks; 33-handle; 34-steel plate.
Detailed Description
As shown in fig. 1 to 10, the processing device for the transverse diaphragm manhole hoops comprises a correction rod assembly 1, a correction platform 2 and a hooping reciprocating heater 3, wherein the correction rod assembly 1 comprises a telescopic rod, a screw top plate 4, a hooping clamping plate 5 and locking pieces, the hooping clamping plate 5 is in an L shape, the telescopic rod comprises a sleeve 6 and a screw 7, the screw 7 is in threaded connection with two ends of the sleeve 6, the screw top plate 4 is movably connected with one end of the screw 7 through a bearing, the screw 7 is rotated, the length of the telescopic rod can be flexibly changed, and therefore the processing device is suitable for hooping hoops of different sizes, and has the advantages of strong applicability, convenience in adjustment and strong practicability. The retaining member comprises a stud 8 and a nut 9, the nut 9 is connected to the stud 8, the stud 8 penetrates through the screw top plate 4 and is fixed on the hoop clamping plate 5, the screw top plate 4 is propped against the nut 9, the screw top plate 4 is matched with the hoop clamping plate 5 to clamp hoops, hoops with different thicknesses can be adapted, the adaptability is strong, the retaining member is simple in structure, reliable in fixation, economical and practical.
When the screw rod top plate 4 is used, the screw rod top plate 4 is propped against the screw rod top plate through the nut 9, the screw rod top plate 4 is matched with the hoop clamping plate 5 to clamp the hoop, then the screw rod 7 is rotated outwards, the screw rod 7 drives the screw rod top plate 4 to move outwards, the screw rod top plate 4 is propped against the inner wall of the hoop, the hoop is tightly attached to the manhole of the diaphragm plate 10, and the problem that installation is affected due to size mismatch between the existing hoop and the manhole of the diaphragm plate 10 is solved.
The correcting platform 2 comprises a base 11, a U-shaped baffle 12 and adjustable inclined pulling pieces, clamping grooves 13 corresponding to the U-shaped baffle 12 are formed in two sides of the base 11, pin shafts 14 are inserted into the U-shaped baffle 12, and insertion holes corresponding to the pin shafts 14 are formed in the side faces of the clamping grooves 13.
During installation, the U-shaped baffle 12 is firstly arranged in the clamping groove 13, then the pin shaft 14 is inserted into the jack, the pin shaft 14 limits the U-shaped baffle 12 to be freely separated from the base 11, the installation is reliable, the detachable design is realized, the installation is convenient, the bolt fixing mode is replaced, and the operation is labor-saving and convenient.
Be equipped with the arc holding surface 16 corresponding with half hoop 15 on the base 11, place half hoop 15 on arc holding surface 16, then install U type baffle 12 in the both sides of base 11, the tip of U type baffle 12 is equipped with spacing post 17, spacing post 17 is located the top of arc holding surface 16, U type baffle 12 stops half hoop 15 transversely to break away from arc holding surface 16, spacing post 17 stops half hoop 15 to break away from arc holding surface 16 upwards, make half hoop 15 by spacing on base 11, be difficult for freely sliding, stability is high.
The adjustable cable-stayed piece comprises a sleeve plate joint 18, a chain block 19 and a bearing platform 20, wherein the sleeve plate joint 18 is provided with a sleeve opening corresponding to the end plate of the half-hoop 15, the chain block 19 is connected between the bearing platform 20 and the handle of the sleeve plate joint 18 through a lock hook, the bearing platform 20 is heavy, and the chain block 19 is used for pulling the sleeve plate joint 18 to correct an arc of the half-hoop 15.
The chain block 19 is rotated, the length of the chain can be adjusted, the pulling force on the sleeve plate joint 18 is changed, the pulling is carried out on the two sides of the half-hoop 15, the arc section of the half-hoop 15 is attached to the arc-shaped supporting surface 16, the arc bending correction is carried out on the half-hoop 15, and the processing quality of the half-hoop 15 is improved.
The hoop reciprocating heater 3 comprises a driving mechanism, a fixed support 21, a guide rail 22, a cylindrical cam 23, a sliding sleeve 24, a sliding rod 25 and a flame heater 26, wherein the driving mechanism adopts a servo motor 27, the driving mechanism and the guide rail 22 are arranged on the fixed support 21, nozzles 28 are uniformly distributed on the flame heater 26, the flame heater 26 is arranged at one end of the sliding rod 25, the sliding rod 25 is arranged at one end of the sliding sleeve 24, track grooves 29 are formed in the surface of the cylindrical cam 23, limit pins 30 corresponding to the track grooves 29 are symmetrically distributed on the sliding sleeve 24, limit grooves 31 are formed in the sliding rod 25, limit blocks 32 are arranged on the guide rail 22, the limit blocks 32 are positioned in the limit grooves 31, the output end of the servo motor 27 is connected with the cylindrical cam 23, the servo motor 27 drives the cylindrical cam 23 to rotate, the cylindrical cam 23 drives the limit pins 30 to move through the track grooves 29, the sliding rod 25 is limited by the limit blocks 32 and cannot rotate, the sliding sleeve 24 makes linear reciprocating motion, the sliding sleeve 24 drives the flame heater 26 to move back and forth through the sliding rod 25, the hardness of the hoop on the base 11 is uniformly heated, the plasticity is improved, the difficulty in processing is easy, and the subsequent correction difficulty is reduced.
The method for installing the manhole hoop of the diaphragm plate 10 comprises the following steps:
(a) The deformation size of the semi-hoop 15 is measured, the semi-hoop 15 is firstly placed on the arc-shaped supporting surface 16 of the base 11, and then the U-shaped baffle plates 12 are installed on the two sides of the base 11, and the specific method is as follows: the U-shaped baffle 12 is inserted into the clamping groove 13 on the side face of the base 11, then the pin shaft 14 is inserted onto the U-shaped baffle 12, so that the pin shaft 14 is inserted into the insertion hole of the base 11, the U-shaped baffle 12 is limited on the base 11, the operation is simple, the mounting difficulty is low, the bolt fixing mode is replaced, and the labor is saved and the mounting is convenient.
(b) The half hoop 15 is preheated by adopting the hoop reciprocating heater 3, and the specific method is as follows: the hoop reciprocating heater 3 is moved firstly, the nozzle 28 of the flame heater 26 is arranged above the half hoop 15, then the servo motor and the flame heater 26 are started, 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, the half hoop 15 is heated uniformly, the heating effect is good, the automation degree is high, manual operation is replaced, the working efficiency is high, and the labor is saved and the operation is convenient.
(c) The sleeve plate joint 18 is sleeved on the end plate of the half-hoop 15, the chain block 19 is arranged between the bearing platform 20 and the handle 33 of the sleeve plate joint 18, the chain block 19 is rotated to shorten the chain, and the chain block 19 tightens the end plate of the half-hoop 15 through the sleeve plate joint 18 to bidirectionally correct the half-hoop 15.
(d) According to the manhole size of the diaphragm 10, a reference line is marked on the end plate of the half hoop 15, marked as an unnecessary part, designed for the end plate allowance of the half hoop 15, which is cut off by a cutter.
(e) And a reference line is marked on the half-hoop 15, and the steel plate 34 is welded on the side surface of the half-hoop 15 according to the reference line, so that the operation difficulty is reduced, and the welding quality of the steel plate 34 is ensured.
(f) The end plate of the half hoop 15 is placed between the screw top plate 4 and the hoop clamping plate 5, the nut 9 is rotated to prop against the screw top plate 4, the end plate of the half hoop 15 is clamped through the screw top plate 4 and the hoop clamping plate 5, the correction rod assembly 1 is fixed on the half hoop 15, and the correction rod assembly 1 has a solid-shaped effect on the half hoop 15 at the moment, so that the half hoop 15 can be prevented from being deformed freely.
The nut 9 limits the outward sliding of the screw top plate 4, the hoop clamping plate 5 and the semi-hoop 15 are in internal and external tight contact, the friction force is large, the relative motion is not easy to occur, the distance between the screw top plate 4 and the hoop clamping plate 5 is flexible and variable, the thickness of the practical semi-hoop 15 can be adapted, the operation is easy, and the operation is flexible and convenient.
(g) The two half hoops 15 are placed in the manhole of the diaphragm plate 10 until the steel plates 34 are contacted with the diaphragm plate 10, the positioning of the two half hoops 15 on the diaphragm plate 10 is completed, the steel plates 34 limit the depth of the half hoops 15 in the manhole of the diaphragm plate 10, the positioning is simple, the problem that the installation and the positioning are difficult due to the mismatching of the sizes between the existing hoops and the manhole of the diaphragm plate 10 is solved, the installation efficiency is high, and the installation quality is guaranteed.
(h) The sleeve 6 is fixed by a wrench, then the screws 7 at the two ends of the sleeve 6 are rotated outwards, the screws 7 drive the screw top plate 4 to move outwards, the screw top plate 4 is tightly propped against the inner wall of the end plate of the half hoop 15, the half hoop 15 is tightly attached to the manhole of the diaphragm plate 10, and spot welding is performed for fixation. At this time, the size of the half hoop 15 is matched with that of the manhole, so that the gap between the half hoop 15 and the manhole is eliminated, and the installation quality of the half hoop 15 in the manhole is improved.
(i) Unscrewing the nut 9 and rotating the screw 7 in opposite directions, the screw 7 drives the screw top plate 4 to disengage from the half-hoop 15 and move out of the correction rod assembly 1 upwards.
(j) The correction rod assembly 1 is rotated by 90 degrees, the screw top plate 4 and the hoop clamping plate 5 are sleeved on the arc section of the half hoop 15, and then the nut 9 is screwed down, so that the screw top plate 4 and the hoop clamping plate 5 clamp the arc section of the half hoop 15, and one correction rod assembly 1 is fixedly connected with the two half hoops 15 at the same time.
(k) Referring to (h), the sleeve 6 and the screw 7 are operated, the screw top plate 4 is tightly pressed against the inner wall of the arc section of the half hoop 15, the half hoop 15 is tightly attached to the manhole of the diaphragm 10, and spot welding is performed for fixation. The semi-hoop 15 is in contact with the inner wall of the manhole more comprehensively and tightly, so that the installation quality of the semi-hoop 15 in the manhole is ensured.
The correction rod assembly 1 not only can correct two ends of one half hoop 15, but also can correct two half hoops 15 at the same time, and has the advantages of simple structure, economy and practicability.
(l) And spot welding and fixing are carried out on the joint of the two half hoops 15, the two half hoops 15 form a complete hoop, and assembly is completed. The two half hoops 15 are connected into a whole, are not easy to separate, and have stable and reliable structure, thereby improving the reinforcement effect of the hoops on the manhole.
(m) cutting the steel plate 34 by a cutter.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present invention.
Claims (10)
1. A diaphragm manhole hoop processingequipment, its characterized in that:
the correcting rod assembly is used for propping the hoop, so that the hoop is attached to the manhole of the diaphragm plate;
the correcting rod assembly comprises a telescopic rod, a screw top plate, a hoop clamping plate and locking pieces, wherein the screw top plate is arranged at two ends of the telescopic rod, the locking pieces are arranged between the screw top plate and the hoop clamping plate, and the locking pieces are used for changing the distance between the screw top plate and the hoop clamping plate so that the screw top plate is matched with the hoop clamping plate to clamp hoops.
2. The diaphragm manhole hoop processing device of claim 1, wherein: the telescopic rod comprises a sleeve and a screw rod, the screw rod is in threaded connection with two ends of the sleeve, and the screw rod top plate is movably connected with the screw rod; the locking piece comprises a stud and a nut, the nut is connected to the stud, the stud penetrates through the screw top plate and is fixed on the hoop clamping plate, the screw top plate is propped by the nut, and the screw top plate is matched with the hoop clamping plate to clamp the hoops.
3. The diaphragm manhole hoop processing device of claim 1, wherein: the device comprises a correction platform, wherein the correction platform is used for performing arc correction on the semi-hoop; the correcting platform comprises a base, a U-shaped baffle and an adjustable inclined pulling piece, wherein an arc-shaped supporting surface corresponding to the half-hoop is arranged on the base, the U-shaped baffle is arranged on two sides of the base and used for blocking the half-hoop to be separated transversely from the arc-shaped supporting surface, a limit column is arranged at the end of the U-shaped baffle and used for blocking the half-hoop to be separated vertically from the arc-shaped supporting surface, and the adjustable inclined pulling piece is sleeved on an end plate of the half-hoop and used for pulling and correcting the half-hoop.
4. A bulkhead manhole hoop processing apparatus as claimed in claim 3, wherein: the adjustable cable-stayed piece comprises a sleeve plate joint, a chain block and a bearing platform, wherein the sleeve plate joint is provided with a sleeve opening corresponding to the end plate of the half-hoop, and the chain block is connected between the bearing platform and the sleeve plate joint.
5. A bulkhead manhole hoop processing apparatus as claimed in claim 3, wherein: the U-shaped baffle is provided with a pin shaft in an inserting mode, and the base is provided with an inserting hole corresponding to the pin shaft, so that the base is detachably connected with the U-shaped baffle.
6. The diaphragm manhole hoop processing device of claim 1, wherein: the hoop reciprocating heater is used for uniformly heating the hoops; the hoop reciprocating heater comprises a driving mechanism, a fixed support, a guide rail, a cylindrical cam, a sliding sleeve, a sliding rod and a flame heater, wherein the driving mechanism is arranged on the fixed support, the flame heater is arranged at one end of the sliding rod, the sliding rod is arranged at one end of the sliding sleeve, the cylindrical cam is slidably connected in the sliding sleeve, the output end of the driving mechanism is connected with the cylindrical cam, the driving 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.
7. The diaphragm manhole hoop processing device of claim 6, wherein: the surface of the cylindrical cam is provided with a track groove, limit pins corresponding to the track groove are symmetrically distributed on the sliding sleeve, a limit groove is formed in the sliding rod, a limit block is arranged on the guide rail, and the limit block is located in the limit groove to limit the sliding rod to rotate.
8. The method for installing the diaphragm manhole hoop is characterized by comprising the following steps of:
(a) Firstly, placing the half-hoop on an arc-shaped supporting surface of a base, then installing U-shaped baffles on two sides of the base, and limiting the half-hoop to slide off the base through the U-shaped baffles;
(b) Preheating a half hoop by adopting a hoop reciprocating heater;
(c) The sleeve plate joint is sleeved on the end plate of the half-hoop, a chain block is arranged between the bearing platform and the sleeve plate joint, and the chain block is rotated to enable the chain block to tighten the end plate of the half-hoop, so that the half-hoop is bidirectionally corrected;
(d) Cutting off redundant parts of the end plates of the half-hoop according to the manhole size of the diaphragm plate;
(e) Welding steel plates on two sides of the half-hoop;
(f) Placing the end plate of the half-hoop between the screw top plate and the hoop clamping plate, rotating the nut to enable the nut to prop against the screw top plate, clamping the end plate of the half-hoop through the screw top plate and the hoop clamping plate, and fixing the correction rod assembly on the half-hoop;
(g) Placing the two half hoops into the manhole of the diaphragm plate until the steel plate is contacted with the diaphragm plate, and completing the positioning of the two half hoops on the diaphragm plate;
(h) Fixing the sleeve by a wrench, then outwards rotating screws at two ends of the sleeve, and driving a screw top plate to outwards move by the screws, so that the screw top plate tightly props against the inner wall of the end plate of the half-hoop, the half-hoop is tightly attached to the manhole of the diaphragm plate, and spot welding is performed for fixation;
(i) Unscrewing the nut, reversely rotating the screw rod, and driving the screw rod top plate to separate from the half-hoop by the screw rod, and moving out of the correction rod assembly upwards;
(j) Rotating the correction rod assembly by 90 degrees, sleeving the screw top plate and the hoop clamping plate on the arc sections of the half hoops, and then tightening the nuts to enable the screw top plate and the hoop clamping plate to clamp the arc sections of the half hoops, so that one correction rod assembly is fixedly connected with the two half hoops at the same time;
(k) The sleeve and the screw are operated according to the step (h), so that the top plate of the screw is tightly propped against the inner wall of the arc section of the half-hoop, the half-hoop is tightly attached to the manhole of the diaphragm plate, and spot welding is carried out for fixation;
(l) And spot welding and fixing are carried out on the joint of the two half hoops, the two half hoops form a complete hoop, and assembly is completed.
9. The method of installing a bulkhead manhole hoop of claim 8, wherein: the preheating method of the half hoops by the hoop reciprocating heater in the step (b) is that the hoop reciprocating heater is moved firstly, so that a nozzle of the flame heater is arranged above the half hoops, then a driving mechanism and the flame heater are started, the driving mechanism drives a cylindrical cam to rotate, the cylindrical cam drives a sliding sleeve to slide back and forth, and the sliding sleeve drives the flame heater to move back and forth through a sliding rod, so that the half hoops are heated uniformly.
10. The method of installing a bulkhead manhole hoop of claim 8, wherein: the U-shaped baffle mounting method in the step (a) is that the U-shaped baffle is inserted into a clamping groove on the side surface of the base, then a pin shaft is inserted on the U-shaped baffle, the pin shaft is inserted into an inserting hole of the base, and the U-shaped baffle is limited on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311616670.1A CN117655163A (en) | 2023-11-29 | 2023-11-29 | Diaphragm plate manhole hoop machining device and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311616670.1A CN117655163A (en) | 2023-11-29 | 2023-11-29 | Diaphragm plate manhole hoop machining device and mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117655163A true CN117655163A (en) | 2024-03-08 |
Family
ID=90070676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311616670.1A Pending CN117655163A (en) | 2023-11-29 | 2023-11-29 | Diaphragm plate manhole hoop machining device and mounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117655163A (en) |
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2023
- 2023-11-29 CN CN202311616670.1A patent/CN117655163A/en active Pending
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