CN113565198B

CN113565198B - High-strength nodular cast iron well lid and manufacturing method thereof

Info

Publication number: CN113565198B
Application number: CN202110888927.3A
Authority: CN
Inventors: 黄伟; 肖胜金
Original assignee: Hunan Guangzhi Road Facilities Industry And Trade Co ltd
Current assignee: Hunan Guangzhi Road Facilities Industry And Trade Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2023-02-14
Anticipated expiration: 2041-08-04
Also published as: CN113565198A

Abstract

The invention provides a high-strength nodular cast iron well lid and a manufacturing method thereof, wherein the high-strength nodular cast iron well lid comprises a fixed base, the fixed base comprises an installation base, a well lid groove, a limiting ring, a fixed frame, an anti-rust groove, a waterproof ring, an installation bolt, a limiting frame and an installation threaded groove, the well lid groove is formed in the upper end surface of the installation base, the limiting ring is fixedly connected to the upper portion of the inner wall of the well lid groove, the installation threaded groove is formed in the inner wall of the well lid groove, the limiting frame is fixedly connected to the bottom of the inner wall of the well lid groove, the fixed frame is fixedly connected to the side wall of the installation base, the anti-rust groove is formed in the bottom of the fixed frame, the installation bolt is fixedly connected to the bottom of the anti-rust groove, the waterproof ring is fixedly connected to the inside of the anti-rust groove, the fixed base is provided with a well lid, and the well lid comprises a well lid main body, a drainage groove, an anti-blocking piece and a first fixed block piece.

Description

High-strength nodular cast iron well lid and manufacturing method thereof

Technical Field

The invention relates to the technical field of well lids, in particular to a high-strength nodular cast iron well lid and a manufacturing method thereof.

Background

The well lid for cover road or the deep well of family, prevent that people or object from falling, can divide into metal well lid, high strength fiber cement concrete well lid, resin well lid etc. according to the material, generally adopt circularly, can be used to greenbelt, pavement, motorway, pier, lane etc..

The support area of present well lid bottom is less, receives external pressure in the use, the problem of subsiding appears very easily, the well lid wash port is less simultaneously, easy being blockked up when the drainage, seriously influences well lid drainage efficiency, current well lid fixed point is on the well lid surface in addition, the well lid is often stolen, causes very serious loss, the sewer of well lid installation easily produces combustible explosive gas simultaneously, meet the explosion behind the naked light, can lift to fly the well lid and cause personnel or object to damage.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the high-strength nodular cast iron well lid and the manufacturing method thereof, and solves the problems that the bottom of the existing well lid is small in supporting area, external pressure is applied in the using process, and sedimentation is easy to occur, meanwhile, the well lid drain hole is small, the well lid is easy to block during drainage, the well lid drainage efficiency is seriously influenced, the existing well lid fixed point is on the surface of the well lid, the well lid is often stolen, serious loss is caused, meanwhile, a sewer in which the well lid is installed is easy to generate combustible and explosive gas, and the sewer is exploded when meeting open fire, and the well lid can be lifted to cause personnel or object damage.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a high-strength nodular cast iron well lid comprises a fixed base, wherein the fixed base comprises a mounting seat, a well lid groove, a limiting ring, a fixed frame, an antirust groove, a waterproof ring, a mounting bolt, a limiting frame and a mounting thread groove, the well lid groove is formed in the upper end surface of the mounting seat, the limiting ring is fixedly connected to the upper portion of the inner wall of the well lid groove, the mounting thread groove is formed in the inner wall of the well lid groove, the limiting frame is fixedly connected to the bottom of the inner wall of the well lid groove, the fixed frame is fixedly connected to the side wall of the mounting seat, the antirust groove is formed in the bottom of the fixed frame, the mounting bolt is fixedly connected to the bottom of the antirust groove, the waterproof ring is fixedly connected to the inside of the antirust groove, the fixed base is provided with the well lid, the well lid comprises a well lid main body, a drain chute, an anti-blocking piece, a first fixed block, an adjusting groove, a fixed ring, a positioning slide block and a second fixed block, the drain chute is formed in the front end surface of the well lid main body, the anti-blocking piece is rotatably connected inside the launder, the anti-blocking piece comprises a rotating piece, a loop bar and a fixed rod, the rotating piece is sleeved on the end face of the loop bar side, one end of the fixed rod is elastically connected inside the loop bar, the first fixed block is fixedly connected on the front end face of the well lid main body, the adjusting groove is arranged on the front end face of the first fixed block, the fixed ring is fixedly connected on the rear end face of the well lid main body, the positioning slider is slidably connected on the end face of the fixed ring side, the second fixed block is fixedly connected on one end of the positioning slider, the end face of the fixed base side is fixedly connected with a reinforcing frame, the reinforcing frame comprises a reinforcing seat, a connecting column, a positioning seat and a fixed thread groove, the reinforcing seat is fixedly connected with the positioning seat through the connecting column, the fixed thread groove is arranged on the front end face of the positioning seat, and an anti-flaming and anti-explosion mechanism is arranged on the lower end face of the fixing base, the anti-explosion mechanism comprises a cross-shaped positioning rod, an installation sleeve, a spring, a limiting block, fixing columns, an anti-explosion plate, a buffering cushion and threaded columns, wherein the cross-shaped positioning rod is fixedly connected to the upper end face of the installation sleeve, four groups of the threaded columns are respectively installed at four ends of the cross-shaped positioning rod, the spring is elastically connected to the inside of the installation sleeve, the limiting block is slidably connected to the inside of the installation sleeve, one end of each fixing column is fixedly connected to the lower end face of the limiting block, the anti-explosion plate is fixedly connected to one end of the fixing column, and the buffering cushion is fixedly connected to the upper end face of the anti-explosion plate.

Preferably, well lid big or small position and well lid groove looks adaptation, the well lid inslot wall is seted up to four group's symmetries altogether in the installation thread groove, four group's symmetries fixed connection are totally in rust-resistant tank bottom in the construction bolt, the rust-resistant tank bottom is run through to construction bolt's one end.

Preferably, sealing lubricating oil is added to the fixed connection point of the waterproof ring and the antirust groove.

Preferably, the gutter channel is four group symmetries in total before the well lid main part terminal surface, and the gutter channel runs through the well lid main part before the terminal surface, first fixed block side end face is seted up threadedly, first fixed block passes through screw thread and well lid main part fixed connection, and terminal surface before the well lid main part is run through to first fixed block.

Preferably, four groups of symmetrical sliding connections of location slider are in retainer plate side end face, and the one end of location slider runs through retainer plate side end face and stretches into the retainer plate inner circle, the distance of location slider to well lid main part and the thickness looks adaptation of spacing collar, second fixed block fixed connection runs through the one end of retainer plate at the location slider.

Preferably, the dead lever is two sets of altogether, and two sets of dead levers respectively with the both ends elastic connection of loop bar, the rotation spread groove has been seted up to tye both sides inner wall, and rotates the big or small position of spread groove and dead lever looks adaptation.

Preferably, the number of the connecting columns is four, one end of each connecting column is fixedly connected to the inner wall of the inner ring of the reinforcing seat, the other end of each connecting column is fixedly connected to the end face of the outer ring of the reinforcing seat, the connecting columns and the central shafts of the reinforcing seat and the positioning seat form an angle of 75 degrees, the four groups of fixing thread grooves are symmetrically arranged on the front end face of the positioning seat, and the sizes and the positions of the four groups of fixing thread grooves are matched with the mounting bolts.

Preferably, the screw thread post side end face is seted up threadedly, and four groups of screw thread posts are installed respectively through the screw thread at four ends of "ten" word locating lever, four groups of screw thread posts deviate from the big or small position of one end of "ten" word locating lever and four groups of installation thread groove looks adaptations.

Preferably, the upper end face of the limiting block is elastically connected with one end of the spring, the diameter of the limiting block is larger than that of the fixing column, and the size of the explosion-proof plate is matched with the well cover groove.

The invention also provides a manufacturing method of the high-strength nodular cast iron well lid, which comprises the following steps:

the method comprises the following steps: placing the reinforcing seat on the horizontal ground away from one side of the positioning seat, sleeving the fixing base into the positioning seat, fixing the mounting bolt into the fixing threaded groove, pouring sealing lubricating oil into the antirust groove, and fixing the waterproof ring into the antirust groove;

step two: a cross-shaped positioning rod extends into the fixing base from the lower part of the fixing base, and then the threaded column is rotated to fix the threaded column into the mounting threaded groove;

step three: pressing the fixed rod into the sleeve rod, then plugging the anti-blocking piece into the position of the rotating thread groove in the launder, and automatically popping the fixed rod to install the anti-blocking piece into the launder;

step four: put into well lid inslot portion with the well lid, again with first fixed block and well lid main part separation, sliding location slider to spacing collar below is fixed first fixed block and well lid main part at last.

(III) advantageous effects

The invention provides a high-strength nodular cast iron well lid and a manufacturing method thereof, and the high-strength nodular cast iron well lid has the following beneficial effects:

1. the device is through fixing the frame at mount pad lateral surface fixed connection, rust-resistant groove has been seted up to fixed frame up end, four groups of construction bolts of rust-resistant groove bottom symmetry fixedly connected with, the bottom of rust-resistant groove is run through to construction bolt's one end, the waterproof circle of rust-resistant inslot portion fixedly connected with, waterproof circle adds sealed lubricating oil with the fixed connection point of rust-resistant groove, make construction bolt be difficult for the contact steam corrosion in the one end of rust-resistant inslot portion, four groups of fixed thread grooves have been seted up at the preceding terminal surface symmetry of positioning seat simultaneously, the size and the position of four groups of fixed thread grooves and construction bolt looks adaptation, fixed frame is through construction bolt and fixed thread groove looks adaptation and positioning seat fixed connection, and the positioning seat passes through spliced pole and reinforcement seat fixed connection, spliced pole totally four groups, and spliced pole one end fixed connection is at reinforcement seat inner circle inner wall, the other end fixed connection of spliced pole is at reinforcement seat outer lane lateral surface, the spliced pole has 75 jiaos, when fixed base and reinforcement frame fixed connection each other, the whole body of fixed base is framed by the reinforcement frame, partial pressure that the unable adjustment base will receive shifts to the enhancement frame, then pass through the ground, the conduction of the bottom of the current well lid, the settlement well lid appears the settlement problem that the support easily, the bottom that the process appears.

2. Four groups of water flowing grooves are symmetrically formed in the front end face of the well lid main body, the water flowing grooves penetrate through the front end face of the well lid main body, anti-blocking pieces are rotatably connected inside the water flowing grooves, one side of each rotating piece is sleeved on the side end face of each loop bar, a group of fixing rods are elastically connected to two ends of each loop bar, and rotating connecting grooves matched with the fixing rods in size and position are formed in the inner walls of two sides of each water flowing groove, so that the anti-blocking pieces are rotatably connected inside the water flowing grooves through the fixing rods, the anti-blocking pieces can swing according to the sizes of water flows on two sides during water flowing of the water flowing grooves, meanwhile, larger garbage can be prevented from entering the water flowing grooves by the anti-blocking pieces, the garbage on the surfaces can not affect the water draining of the water flowing grooves, the problem that existing well lid water draining holes are small, the water flowing grooves are easily blocked during water draining, and the water draining effect is poor is solved.

3. Through the first fixed block of terminal surface fixed connection before the well lid main part, screw thread has been seted up to first fixed block side end face, first fixed block passes through screw thread and well lid main part fixed connection, and first fixed block runs through well lid main part front end face, the adjustment tank has been seted up simultaneously to terminal surface before first fixed block, make can take off first fixed block from well lid main part front end face through the adjustment tank, terminal surface fixedly connected with retainer plate behind the well lid main part, retainer plate side end face sliding connection has the location slider, the location slider is totally four groups of symmetry sliding connection at the retainer plate side end face, and the one end of location slider runs through the retainer plate side end face and stretches into the retainer plate inner circle, the one end fixedly connected with second fixed block that the location slider runs through the retainer plate side end face, the distance that the location slider arrived well lid main part and the thickness looks adaptation of spacing collar, make the well lid install the well lid inslot portion at the up end of spacing collar, move the well lid lower extreme face under the spacing collar terminal surface through the one end of adjusting the location slider, and then well lid main part and location slider centre gripping the spacing collar, the fixed knot of well lid is under the well lid, the fixed knot structure of well lid is in the well lid below the well lid, the well lid has been solved current well lid, lead to the easy problem of stealing in the fixed point of being stolen.

4. Through being equipped with explosion-proof mechanism, wherein "ten" word locating lever fixed connection is at installation sleeve up end, at each a set of screw post of four end fixed connection of "ten" word locating lever, make explosion-proof mechanism pass through screw post fixed connection at the well lid inslot portion, there is the spring at the inside elastic connection of installation sleeve, the inside sliding connection of installation sleeve has the stopper, the up end of stopper and the one end elastic connection of spring, the terminal surface passes through fixed column and explosion-proof board fixed connection under the stopper, explosion-proof board up end fixedly connected with blotter, and the diameter of stopper is greater than the diameter of fixed column, the size and the well lid groove looks adaptation of explosion-proof board, make the inside explosion that appears in well lid, high-pressure draught promotes explosion-proof board below and gets into the well lid inslot portion, and then with the explosion-proof under the well lid, the air current easily produced combustible gas that produces has been solved, meet the explosion behind the naked light, cause the problem of personnel or object damage.

Drawings

FIG. 1 is a schematic view of the overall structure of the device body of the present invention;

FIG. 2 is a schematic cross-sectional view of a fixing base of the device body according to the present invention;

FIG. 3 is a schematic top view of the well lid of the device body of the present invention;

FIG. 4 is a schematic view of the bottom view of the well lid of the device body of the present invention;

FIG. 5 is a schematic view of the anti-clogging sheet structure of the device body of the present invention;

FIG. 6 is a schematic view of a reinforcing frame of the device body of the present invention;

FIG. 7 is a schematic view of a semi-sectional structure of an explosion-proof mechanism of the device body of the present invention.

In the figure: the anti-explosion manhole cover comprises a fixed base 1, a manhole cover 2, a reinforcing frame 3, an anti-explosion mechanism 4, a mounting seat 5, a manhole cover groove 6, a limiting ring 7, a fixed frame 8, an anti-rust groove 9, a waterproof ring 10, a mounting bolt 11, a limiting frame 12, a threaded groove 13, a manhole cover main body 14, a water flowing groove 15, an anti-blocking piece 16, a first fixed block 17, an adjusting groove 18, a fixed ring 19, a positioning sliding block 20, a second fixed block 21, a rotating piece 22, a loop bar 23, a fixed rod 24, a reinforcing seat 25, a connecting column 26, a positioning seat 27, a threaded groove 28, a cross-shaped locating rod 29, a mounting sleeve 30, a spring 31, a limiting block 32, a fixing column 33, an anti-explosion plate 34, a buffer cushion 35 and a threaded column 36.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

The embodiment of the invention provides a high-strength nodular cast iron well cover and a manufacturing method thereof, the high-strength nodular cast iron well cover comprises a fixed base 1, the fixed base 1 comprises a mounting seat 5, a well cover groove 6, a limit ring 7, a fixed frame 8, an antirust groove 9, a waterproof ring 10, a mounting bolt 11, a limit frame 12 and a mounting thread groove 13, the well cover groove 6 is arranged on the upper end surface of the mounting seat 5, the limit ring 7 is fixedly connected on the upper part of the inner wall of the well cover groove 6, the mounting thread groove 13 is arranged on the inner wall of the well cover groove 6, the limit frame 12 is fixedly connected on the bottom of the inner wall of the well cover groove 6, the fixed frame 8 is fixedly connected on the side wall of the mounting seat 5, the antirust groove 9 is arranged on the bottom of the fixed frame 8, the mounting bolt 11 is fixedly connected on the bottom of the antirust groove 9, the waterproof ring 10 is fixedly connected inside the antirust groove 9, the fixed base 1 is provided with a well cover 2, the well cover 2 comprises a well cover main body 14, a drainage groove 15, an anti-blocking sheet 16, a first fixed block 17, a fixed block 18, a fixed ring 19, a fixed block 20 and a second fixed block 21, the fixed block 15 is connected on the front end surface of the well cover main body 14, a fixed block 24, a fixed block 21 is connected on the fixed block 21 and a second fixed block 21, a fixed block 21 is connected on the front end surface of the fixed base 14, a fixed block 21 is connected on the fixed block 21, a fixed block 21 is connected on the front end surface of the fixed block 21, fixed thread groove 28 sets up terminal surface before positioning seat 27, explosion-proof mechanism 4 is installed to unable adjustment base 1 lower terminal surface, explosion-proof mechanism 4 includes "ten" word locating lever 29, installation sleeve 30, spring 31, stopper 32, fixed column 33, explosion-proof board 34, blotter 35 and screw post 36, "ten" word locating lever 29 fixed connection is at installation sleeve 30 up end, four groups of total of screw post 36 are installed respectively at four ends of "ten" word locating lever 29, spring 31 elastic connection is inside installation sleeve 30, stopper 32 sliding connection is inside installation sleeve 30, fixed column 33 one end fixed connection is terminal surface under stopper 32, explosion-proof board 34 fixed connection deviates from stopper 32 one end at fixed column 33, blotter 35 fixed connection is at explosion-proof board 34 up end.

The size and the position of the well lid 2 are matched with the well lid groove 6, four groups of installation thread grooves 13 are symmetrically arranged on the inner wall of the well lid groove 6, four groups of installation bolts 11 are symmetrically and fixedly connected at the bottom of the anti-rust groove 9, one end of the installation bolt 11 penetrates through the bottom of the anti-rust groove 9, sealing lubricating oil is added at the fixed connection point of the waterproof ring 10 and the anti-rust groove 9, four groups of water flowing grooves 15 are symmetrically arranged on the front end surface of the well lid main body 14, the water flowing grooves 15 penetrate through the front end surface of the well lid main body 14, threads are arranged on the side end surface of the first fixed block 17, the first fixed block 17 is fixedly connected with the well lid main body 14 through the threads, the four groups of positioning sliding blocks 20 are symmetrically connected on the side end surface of the fixed ring 19, one end of the positioning sliding block 20 penetrates through the side end surface of the fixed ring 19 and extends into the inner ring of the fixed ring 19, and the distance from the positioning sliding block 20 to the well lid main body 14 is matched with the thickness of the limiting ring 7, the second fixing block 21 is fixedly connected with one end of the positioning slide block 20 penetrating through the fixing ring 19, two groups of fixing rods 24 are provided, two groups of fixing rods 24 are respectively and elastically connected with two ends of the loop bar 23, the inner walls of two sides of the water flowing groove 15 are provided with rotary connecting grooves, the size and the position of the rotary connecting grooves are matched with the fixing rods 24, four groups of connecting columns 26 are provided, one end of each connecting column 26 is fixedly connected with the inner wall of the inner ring of the reinforcing seat 25, the other end of each connecting column 26 is fixedly connected with the side end face of the outer ring of the reinforcing seat 25, the connecting column 26, the central axes of the reinforcing seat 25 and the positioning seat 27 are provided with 75 degrees, four groups of fixing thread grooves 28 are symmetrically arranged on the front end face of the positioning seat 27, the size and the position of the four groups of fixing thread grooves 28 are matched with the mounting bolt 11, the side end face of the thread post 36 is provided with threads, and the four groups of thread posts 36 are respectively arranged at four ends of the cross-shaped positioning rod 29 through threads, the big or small position of the one end that four groups of screw thread post 36 deviate from "ten" locating lever 29 is with four groups of installation thread groove 13 looks adaptations, the up end of stopper 32 and the one end elastic connection of spring 31, the diameter of stopper 32 is greater than the diameter of fixed column 33, the size and the well lid groove 6 looks adaptations of explosion-proof board 34.

A manufacturing method of a high-strength nodular cast iron well lid comprises the following steps:

the method comprises the following steps: placing one side of the reinforcing seat 25, which is far away from the positioning seat 27, on a horizontal ground, sleeving the fixing base 1 into the positioning seat 27, fixing the mounting bolt 11 into the fixing thread groove 28, pouring sealing lubricating oil into the antirust groove 9, and fixing the waterproof ring 10 into the antirust groove 9;

step two: the cross-shaped positioning rod 29 is inserted from the lower part of the fixed base 1, and then the threaded column 36 is rotated to fix the threaded column 36 inside the installation threaded groove 13;

step three: pressing the fixing rod 24 into the sleeve rod 23, plugging the anti-blocking piece 16 into the water flowing groove 15 at the position of the rotating thread groove, and automatically popping the fixing rod 24 to install the anti-blocking piece 16 into the water flowing groove 15;

step four: put into well lid 6 insides with well lid 2, again with first fixed block 17 and the separation of well lid main part 14, sliding positioning slider 20 is fixed with first fixed block 17 and well lid main part 14 finally to spacing collar 7 below.

The working principle is as follows: when the well lid is installed, the whole device is installed, the pressure that the well lid is received is dispersed to a larger land area around through the reinforcing frame 3, then the well lid 2 is placed in the well lid groove 6, the first fixing block 17 is taken down through the adjusting groove 18, then the limiting ring 7 is clamped by the end face adjusting and positioning slider 20 under the well lid 2, the installation of the well lid is completed, sewage enters a sewer through the launder 15 when the well lid is used, the flow rate of the sewage is accelerated through the anti-blocking sheet 16, meanwhile, the anti-blocking sheet 16 can block larger garbage from entering the sewer and prevent the launder 15 from being blocked, when the sewer is exploded, the explosion airflow pushes the explosion-proof plate 34 to move upwards, the driving force of the explosion airflow is buffered through the spring 31, the explosion-proof plate 34 rises to the inside of the well lid groove 6 and can be blocked by the limiting frame 12, and the cushion 35 effectively prevents noise generated by collision of the explosion-proof plate 34 and the limiting frame 12, and perfectly limits the explosion inside the sewer.

In summary, in the high-strength nodular cast iron manhole cover, firstly, a fixing frame 8 is fixedly connected to the end surface of the mounting seat 5, the upper end surface of the fixing frame 8 is provided with an antirust groove 9, four groups of mounting bolts 11 are symmetrically and fixedly connected to the bottom of the antirust groove 9, one end of each mounting bolt 11 penetrates through the bottom of the antirust groove 9, a waterproof ring 10 is fixedly connected to the inside of the antirust groove 9, sealing lubricating oil is added to the fixed connection point of the waterproof ring 10 and the antirust groove 9, so that one end of each mounting bolt 11 in the antirust groove 9 is not easy to be corroded by water vapor, meanwhile, four groups of fixing thread grooves 28 are symmetrically arranged on the front end surface of the positioning seat 27, the size and the position of each group of fixing thread grooves 28 are matched with the mounting bolts 11, the fixing frame 8 is fixedly connected with the positioning seat 27 by matching the mounting bolts 11 and the fixing thread grooves 28, and the positioning seat 27 passes through spliced pole 26 and strengthens seat 25 fixed connection, spliced pole 26 is four groups altogether, and spliced pole 26 one end fixed connection is at strengthening the seat 25 inner circle inner wall, the other end fixed connection of spliced pole 26 is strengthened seat 25 outer lane side end face, spliced pole 26 has 75 jiaos with the center pin of strengthening seat 25 and positioning seat 27, when making unable adjustment base 1 and 3 mutual fixed connection of reinforcement frame, unable adjustment base 1 is whole by 3 framves of reinforcement frame, unable adjustment base 1 shifts the partial pressure that receives to strengthen on frame 3, then conduct ground through strengthening seat 25, the compressive capacity of well lid is stronger, also be difficult to take place to subside, it is less to have solved the support area of current well lid bottom, receive external pressure in the use, the problem of subsiding appears very easily.

Secondly, four groups of water flowing grooves 15 are symmetrically formed in the front end face of the well lid main body 14, the water flowing grooves 15 penetrate through the front end face of the well lid main body 14, anti-blocking pieces 16 are rotatably connected inside the water flowing grooves 15, one side of each rotating piece 22 is sleeved on the end face of the side of each loop bar 23, two ends of each loop bar 23 are respectively and elastically connected with one group of fixing rods 24, and rotating connecting grooves matched with the fixing rods 24 in size are formed in the inner walls of two sides of each water flowing groove 15, so that the anti-blocking pieces 16 are rotatably connected inside the water flowing grooves 15 through the fixing rods 24, the anti-blocking pieces 16 can swing according to the sizes of water flows on two sides when the water flowing grooves 15 drain water, meanwhile, the anti-blocking pieces 16 can prevent larger garbage from entering the water flowing grooves 15, the garbage on the surface can not affect the drainage of the water flowing grooves 15, and the problem that the drainage effect is poor due to the fact that the existing well lid drain holes are small and are prone to being blocked during drainage is solved.

And, through the first fixed block 17 of fixed connection of terminal surface before well lid main part 14, the side end of first fixed block 17 has been seted up threadedly, first fixed block 17 passes through the screw thread and well lid main part 14 fixed connection, and first fixed block 17 runs through well lid main part 14 front end surface, the adjustment tank 18 has been seted up at first fixed block 17 front end surface simultaneously, make can take off first fixed block 17 from well lid main part 14 front end surface through adjustment tank 18, fixedly connected with retainer plate 19 at well lid main part 14 rear end surface, retainer plate 19 side end surface sliding connection has location slider 20, location slider 20 is four groups of symmetrical sliding connection in retainer plate 19 side end surface altogether, and the one end of location slider 20 runs through retainer plate 19 side end surface and stretches into retainer plate 19 inner circle, one end fixedly connected with second fixed block 21 that location slider 20 runs through retainer plate 19 side end surface, the distance of location slider 20 to well lid main part 14 and the thickness of retainer plate 7 are adapted, make well lid 2 install the inside the upper end surface at retainer plate 7 of well lid, the terminal surface of well lid is stolen terminal surface problem of well lid 7 through the one end of adjusting the location slider 20 and is resulted in the fixed point of well lid structure.

And, through being equipped with explosion-proof mechanism 4, wherein "cross" locating lever 29 fixed connection is at the mounting sleeve 30 up end, each fixed connection a set of screw post 36 at four ends of "cross" locating lever 29, make explosion-proof mechanism 4 pass through screw post 36 fixed connection inside well lid groove 6, there is spring 31 at the inside elastic connection of mounting sleeve 30, the inside sliding connection of mounting sleeve 30 has stopper 32, the up end of stopper 32 and the one end elastic connection of spring 31, stopper 32 lower terminal surface passes through fixed column 33 and explosion-proof board 34 fixed connection, explosion-proof board 34 upper end fixedly connected with blotter 35, and the diameter of stopper 32 is greater than the diameter of fixed column 33, the size of explosion-proof board 34 and well lid groove 6 looks adaptation, make the inside explosion that appears of well lid, high-pressure air promotes explosion-proof board 34 below and gets into the inside well lid groove 6, and then with explosion-proof under the well lid, effectively prevent that the air current that explosion-proof produced will lift to fly, solved current combustible sewer easily produce explosive gas, cause the explosion after the naked light, cause personnel or object to damage the problem.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength nodular cast iron well lid, includes unable adjustment base (1), its characterized in that: the well lid fixing device is characterized in that the fixing base (1) comprises a mounting seat (5), a well lid groove (6), a limiting ring (7), a fixing frame (8), an antirust groove (9), a waterproof ring (10), a mounting bolt (11), a limiting frame (12) and a mounting thread groove (13), the upper end surface of the mounting seat (5) is arranged on the well lid groove (6), the limiting ring (7) is fixedly connected to the upper portion of the inner wall of the well lid groove (6), the inner wall of the well lid groove (6) is arranged on the mounting thread groove (13), the limiting frame (12) is fixedly connected to the bottom of the inner wall of the well lid groove (6), the fixing frame (8) is fixedly connected to the side wall of the mounting seat (5), the antirust groove (9) is arranged at the bottom of the fixing frame (8), the mounting bolt (11) is fixedly connected to the bottom of the antirust groove (9), the waterproof ring (10) is fixedly connected to the inside of the antirust groove (9), the fixing base (1) is provided with the well lid (2), the well lid (2) comprises a well lid main body (14), a drain pan (15), a blocking prevention piece (16), a first fixing block (17), an adjusting groove (18), a second positioning block (20) and a second positioning groove (14) and a front end surface, prevent that jam piece (16) rotate to be connected inside tye (15), prevent that jam piece (16) are including rotating piece (22), loop bar (23) and dead lever (24), it cup joints at loop bar (23) side end face to rotate piece (22), dead lever (24) one end elastic connection is inside loop bar (23), terminal surface before first fixed block (17) fixed connection is in well lid main part (14), terminal surface before regulation groove (18) are seted up at first fixed block (17), retainer plate (19) fixed connection is at well lid main part (14) rear end face, location slider (20) sliding connection is at retainer plate (19) side end face, second fixed block (21) fixed connection is in location slider (20) one end, unable adjustment base (1) side end face fixedly connected with strengthens frame (3), strengthen frame (3) including strengthening seat (25), spliced pole (26), positioning seat (27) and fixed thread groove (28), strengthen seat (25) through spliced pole (26) and positioning seat (27) fixed connection, unable adjustment base (1) side end face fixed connection has set up (28) and establishes before explosion-proof mechanism (4) lower extreme (4) explosion-proof mechanism (4) including explosive mechanism (29), set mechanism (4) are installed to fixed seat (29), and set up the fixed seat (29) including locating seat (29), and set up the fixed seat (29) fixed block (20) fixed block (21) fixed connection The anti-explosion device comprises a mounting sleeve (30), a spring (31), a limiting block (32), a fixing column (33), an anti-explosion plate (34), a cushion pad (35) and threaded columns (36), wherein the cross-shaped positioning rod (29) is fixedly connected to the upper end face of the mounting sleeve (30), four groups of the threaded columns (36) are respectively mounted at four ends of the cross-shaped positioning rod (29), the spring (31) is elastically connected inside the mounting sleeve (30), the limiting block (32) is slidably connected inside the mounting sleeve (30), one end of the fixing column (33) is fixedly connected to the lower end face of the limiting block (32), the anti-explosion plate (34) is fixedly connected to one end, away from the limiting block (32), of the fixing column (33), and the cushion pad (35) is fixedly connected to the upper end face of the anti-explosion plate (34);

the size and the position of the well lid (2) are matched with those of the well lid groove (6), four groups of the mounting thread grooves (13) are symmetrically arranged on the inner wall of the well lid groove (6), four groups of the mounting bolts (11) are fixedly connected to the bottom of the antirust groove (9), and one end of each mounting bolt (11) penetrates through the bottom of the antirust groove (9);

the four groups of connecting columns (26) are arranged, one end of each connecting column (26) is fixedly connected to the inner wall of the inner ring of the reinforcing seat (25), the other end of each connecting column (26) is fixedly connected to the end face of the outer ring of the reinforcing seat (25), the connecting columns (26) and the central shafts of the reinforcing seat (25) and the positioning seat (27) form an angle of 75 degrees, the four groups of fixing thread grooves (28) are symmetrically arranged on the front end face of the positioning seat (27), and the sizes and the positions of the four groups of fixing thread grooves (28) are matched with the mounting bolts (11);

threads are formed in the end face of the side of each threaded column (36), four groups of threaded columns (36) are respectively installed at the four ends of the cross-shaped positioning rod (29) through threads, and the size and the position of one end, departing from the cross-shaped positioning rod (29), of each group of threaded columns (36) are matched with the four groups of installation thread grooves (13).

2. The high-strength nodular cast iron well lid of claim 1, wherein: and sealing lubricating oil is added to the fixed connection point of the waterproof ring (10) and the antirust groove (9).

3. The high-strength nodular cast iron well lid of claim 1, wherein: the utility model discloses a manhole cover, including manhole cover main part (14), gutter channel (15) are four group's symmetries in total and terminal surface before manhole cover main part (14), and gutter channel (15) run through terminal surface before manhole cover main part (14), screw thread is seted up to first fixed block (17) side end face, first fixed block (17) are through screw thread and manhole cover main part (14) fixed connection, and terminal surface before manhole cover main part (14) is run through in first fixed block (17).

4. The high-strength nodular cast iron well lid of claim 1, wherein: the positioning sliding blocks (20) are connected to the side end face of the fixing ring (19) in four groups in a sliding mode, one end of each positioning sliding block (20) penetrates through the side end face of the fixing ring (19) and stretches into the inner ring of the fixing ring (19), the distance from each positioning sliding block (20) to the well lid main body (14) is matched with the thickness of the limiting ring (7), and the second fixing blocks (21) are fixedly connected to the end, penetrating through the fixing ring (19), of each positioning sliding block (20).

5. The high-strength nodular cast iron well lid of claim 1, wherein: the fixing rods (24) are divided into two groups, the two groups of fixing rods (24) are respectively and elastically connected with the two ends of the loop bar (23), the inner walls of the two sides of the water flowing groove (15) are provided with rotating connecting grooves, and the size and the position of the rotating connecting grooves are matched with the fixing rods (24).

6. The high-strength nodular cast iron well lid of claim 1, wherein: the upper end face of the limiting block (32) is elastically connected with one end of the spring (31), the diameter of the limiting block (32) is larger than that of the fixing column (33), and the size of the explosion-proof plate (34) is matched with the well cover groove (6).

7. The method for manufacturing the high-strength nodular cast iron well lid according to any one of claims 1 to 6, comprising the following steps:

the method comprises the following steps: when the reinforcing seat (25) is placed on the horizontal ground on the side deviating from the positioning seat (27), the fixing base (1) is sleeved into the positioning seat (27), the mounting bolt (11) is fixed into the fixing thread groove (28), then sealing lubricating oil is poured into the antirust groove (9) and the waterproof ring (10) is fixed into the antirust groove (9);

step two: a cross positioning rod (29) extends into the fixing base (1) from the lower part, and then a threaded column (36) is rotated to fix the threaded column (36) into the mounting threaded groove (13);

step three: pressing a fixing rod (24) into the sleeve rod (23), plugging an anti-blocking piece (16) into the position of the rotating thread groove in the launder (15), and automatically popping the fixing rod (24) to install the anti-blocking piece (16) into the launder (15);

step four: the well lid (2) is placed in the well lid groove (6), the first fixing block (17) is separated from the well lid main body (14), the sliding positioning sliding block (20) is arranged below the limiting ring (7), and finally the first fixing block (17) is fixed with the well lid main body (14).