CN114934547A

CN114934547A - Manhole cover synthesized by waste mulching films and modified red mud

Info

Publication number: CN114934547A
Application number: CN202210451497.3A
Authority: CN
Inventors: 刘曙光; 刘曙亮
Original assignee: Shandong Zetao Composite Material Co ltd
Current assignee: Shandong Zetao Composite Material Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-23
Anticipated expiration: 2042-04-27
Also published as: CN114934547B

Abstract

The invention discloses a manhole cover synthesized by waste mulching films and modified red mud, which relates to the technical field of manhole cover structures and comprises a base assembly and a cover plate assembly, wherein the base assembly comprises a base, the base is of a square frame structure, the cross section of a frame is of an h-shaped structure, a circle of supporting surface is formed on the inner side of the square frame, and a plurality of reinforcing ribs are arranged in the frame. According to the invention, through the arrangement of the rotating baffle plate, the rotating shaft is positioned at the top side of the rotating baffle plate, the rotating baffle plate automatically rotates under the action of gravity and is attached to one side of the L-shaped fixed plate, and at the moment, the plurality of cross beams, the L-shaped fixed plate and the rotating baffle plate form a sealing surface, so that gas in the drainage ditch cannot overflow, and therefore, peculiar smell is prevented from scattering outside the drainage ditch to influence the surrounding air environment.

Description

Manhole cover synthesized by waste mulching films and modified red mud

Technical Field

The invention relates to the technical field of well lid structures, in particular to a well lid synthesized by waste mulching films and modified red mud.

Background

The mulching film is a ground covering film, is usually a transparent or black PE film, is used for ground covering, and is used for improving the soil temperature, keeping the soil moisture, maintaining the soil structure, preventing pests from attacking crops and diseases and the like caused by certain microorganisms, and promoting the growth of plants.

Among the prior art, the kind of well lid is more, and the escape canal in the residential quarter also generally can set up the well lid, and mostly is the rectangle shape, and the effect of this kind of well lid mainly prevents except that the foreign matter of rainwater drops in the escape canal, and the peculiar smell in the escape canal then can waft to ground through the gap of well lid, influences the air circumstance of district, has certain not enough, therefore we have disclosed a waste plastic film and modified red mud synthetic well lid and have satisfied people's demand.

Disclosure of Invention

An object of the application is to provide a synthetic well lid of old and useless plastic film and modified red mud, the kind of the well lid that provides in order to solve above-mentioned background is more, the escape canal in residential area also can set up the well lid generally, and mostly be rectangular shape, and the effect of this kind of well lid mainly prevents in the foreign matter except that the rainwater drops the escape canal, and the peculiar smell in the escape canal then can be drifted to ground through the gap of well lid, influence the air circumstance of district, there is certain not enough problem.

In order to achieve the above purpose, the present application provides the following technical solutions: a manhole cover synthesized by waste mulching films and modified red mud comprises a base assembly and a cover plate assembly, wherein the base assembly comprises a base, the base is of a square frame structure, the cross section of the frame is of an h-shaped structure, a circle of supporting surface is formed on the inner side of the square frame, a plurality of reinforcing ribs are arranged in the frame, the cover plate assembly comprises an upper cover frame, the bottom side of the upper cover frame is matched with the supporting surface, a plurality of cross beams are uniformly arranged in the frame of the upper cover frame close to the top side and form a plane with the top side of the base, an L-shaped fixing plate is arranged on one side of the bottom ends of the cross beams, a rotating baffle is arranged on the other side of the bottom ends of the cross beams in a rotating mode through a rotating shaft, one side of the rotating baffle is matched with one side corresponding to the L-shaped fixing plate, the top end of the rotating baffle is matched with the bottom side corresponding to the cross beam, the upper cover frame is provided with a taking and placing mechanism, and the base is provided with an interlocking mechanism.

Based on the above mechanism, the base is fixed on the ground on the drainage ditch, the upper cover frame is placed on the supporting surface, the gaps among the plurality of cross beams form water leakage holes, rainwater can conveniently enter the drainage ditch, the rotating shaft is positioned at the top side of the rotating baffle plate through the arrangement of the rotating baffle plate, the rotating baffle plate automatically rotates under the action of gravity and is attached to one side of the L-shaped fixed plate, at the moment, the plurality of cross beams, the L-shaped fixed plate and the rotating baffle plate form a sealing surface, so that the gas in the drainage ditch can not overflow, peculiar smell can be prevented from drifting out of the drainage ditch, the surrounding air environment is influenced, when rainwater exists, the rotating baffle plate is pushed by the rainwater to rotate for a certain angle, the rainwater flows to the drainage ditch through the opened gaps, normal drainage is carried out, the cover plate assembly can be conveniently taken down from the base through the taking and placing mechanism, and the drainage ditch can be conveniently cleaned and maintained regularly, through interlocking mechanism's setting, can be in the same place adjacent base interconnect, form wholly, prevent to shift the leak and appear, cause the gas in the escape canal excessive.

Preferably, the taking and placing mechanism comprises a strip-shaped pulling plate, two traction ropes are mounted on the bottom side of the strip-shaped pulling plate, a cross-shaped groove is formed in the top side of the cross beam, the strip-shaped pulling plate is located in the cross-shaped groove, two sliding holes are formed in the bottom wall of the cross-shaped groove, the bottom ends of the two traction ropes penetrate through the sliding holes and extend to the bottom side of the cross beam, and the bottom ends of the two traction ropes are connected with locking units.

Further, the bar arm-tie is placed and is made the crossbeam top surface keep the plane state in cross-shaped inslot, can take out the bar arm-tie through the both sides notch of cross-shaped groove, the haulage rope can be among the prior art the thin steel wire class have higher intensity and elasticity filament, upwards stimulate the bar arm-tie and make two haulage ropes along the sliding hole roll-off, behind roll-off one end length, the locking unit restriction haulage rope continuation of haulage rope one end connection slides, continue upwards to stimulate the bar arm-tie, take out the apron subassembly from the base.

Preferably, the locking unit includes the sliding pin, step slide opening has all been seted up to the corresponding both sides of upper cover frame, the sliding pin slidable mounting correspond in the step slide opening, the jack has been seted up to the correspondence on the base, the one end of haulage rope is connected and is being corresponded the one end of sliding pin, the other end of sliding pin with correspond the jack phase-match, be equipped with the top on the sliding pin and push away the unit.

Further, through the setting of sliding pin, the sliding pin slides to the outside of upper cover frame under the effect that pushes away the unit, and in inserting the jack that corresponds, can restrict upper cover frame and base separation, increases the firmness, and when upwards pulling bar arm-tie, the effort that pushes away the unit is overcome to the haulage rope, makes sliding pin and jack phase separation, realizes the unblock action simultaneously.

Preferably, the pushing unit comprises a spring, the spring is sleeved on the sliding pin, a front flange plate and a rear flange plate are sleeved on the sliding pin, one side of the rear flange plate is matched with the inner side wall of the upper cover frame, one end of the spring is installed on one side of the front flange plate, and the other end of the spring is installed on the step surface of the step sliding hole.

Furthermore, through the arrangement of the spring, the spring pushes the front flange plate to enable the sliding pin to slide to the outer side of the upper cover frame, after the sliding pin slides to a certain degree, the rear flange plate limits the sliding pin to continue sliding, and when the sliding pin slides reversely, the front flange plate is close to the step surface of the step sliding hole and limits the sliding pin to continue sliding.

Preferably, the interlocking mechanism comprises a T-shaped locking rod, one end of the base is provided with a strip-shaped sliding hole, the other end of the base is provided with a locking hole, the T-shaped locking rod is slidably mounted in the strip-shaped sliding hole, and one end of the T-shaped locking rod is matched with the locking hole correspondingly.

Furthermore, through the arrangement of the T-shaped locking rod, the locking holes are of a T-shaped structure, one end of the T-shaped locking rod slides into the corresponding T-shaped locking hole, and then the T-shaped locking rod is moved downwards, so that one end of the T-shaped locking rod is pulled against the inner side wall of the corresponding base, and two adjacent bases are connected together.

Preferably, a side stop block is installed on one side of the T-shaped lock rod, one side of the side stop block is matched with the inner side of the base, and the distance between one side of the side stop block and one end of the T-shaped lock rod is larger than the wall thickness twice of the base.

Furthermore, through the setting of side dog, restriction T shape locking lever removes a certain position, realizes the locking between two adjacent bases, and the distance of side dog one side and T shape locking lever one end is greater than the twice wall thickness of base, can make to have certain shake momentum between two adjacent bases, forms certain radian, and the base of being convenient for is placed in crooked escape canal.

Preferably, an operation block is installed at one end of the T-shaped lock rod, an operation hole is formed in one side of the base, and the operation hole corresponds to the operation block in position.

Furthermore, the operating block is clamped by a tool, so that the T-shaped locking rod can move up and down along the strip-shaped sliding hole conveniently, the tool can extend into the operating hole conveniently, and the operation is convenient.

Preferably, one end of the T-shaped lock rod is connected with a pull rope, two grooves are formed on the reinforcing rib corresponding to the pull rope, a convex column is formed, and one end of the pull rope is sleeved on the convex column and tenses the T-shaped lock rod.

Furthermore, through the arrangement of the pull rope, the T-shaped lock rod can be tensioned during transportation, the T-shaped lock rod is prevented from sliding out to cause damage, and the T-shaped lock rod is convenient to protect.

Preferably, the rotating shaft is located at a non-central position on the rotating baffle, and the rotating shaft is located at a side close to the corresponding L-shaped fixing plate.

Furthermore, through the eccentric arrangement of the rotating shaft, the rotating baffle rotates towards one side of the L-shaped fixing plate due to gravity center offset, so that the rotating baffle is attached to the L-shaped fixing plate more tightly, and the sealing performance is improved.

Preferably, the extending edges are installed on two sides of the base, the protruding block is installed at one end of the base, the limiting groove is correspondingly formed in the other end of the base, and the protruding block is matched with the corresponding limiting groove.

Further, through the setting on extension limit, can bury the limit of extending in the soil, be convenient for increase fixed with the base, the setting of lug and spacing groove can be between two adjacent bases mutual location and align, the base of being convenient for is fixed.

In conclusion, the technical effects and advantages of the invention are as follows:

1. according to the invention, through the arrangement of the rotating baffle plate, the rotating shaft is positioned at the top side of the rotating baffle plate, the rotating baffle plate automatically rotates under the action of gravity and is attached to one side of the L-shaped fixed plate, and at the moment, the plurality of cross beams, the L-shaped fixed plate and the rotating baffle plate form a sealing surface, so that gas in the drainage ditch cannot overflow, and therefore, peculiar smell is prevented from scattering outside the drainage ditch to influence the surrounding air environment.

2. According to the invention, the strip-shaped pull plate is pulled upwards, the two traction ropes slide out along the sliding holes, the cover plate assembly can be taken down from the base, the drainage ditch can be cleaned and maintained regularly, the sliding pin can limit the separation of the upper cover frame and the base, the firmness is increased, when the strip-shaped pull plate is pulled upwards, the traction ropes overcome the acting force of the pushing unit, the sliding pin is separated from the jack, the unlocking action is realized, and meanwhile, through the arrangement of the interlocking mechanism, the adjacent bases can be connected with each other to form a whole, so that the situation that the gas in the drainage ditch overflows due to the displacement is prevented.

3. According to the invention, the T-shaped lock rod is limited to move to a certain position through the arrangement of the side stop block, so that the locking between two adjacent bases is realized, the distance between one side of the side stop block and one end of the T-shaped lock rod is greater than twice the wall thickness of the bases, so that a certain shaking amount can be formed between two adjacent bases, a certain radian is formed, the bases can be conveniently placed on a bent drainage ditch, the T-shaped lock rod can be tensioned through the arrangement of the pull rope during transportation, the T-shaped lock rod is prevented from sliding out to cause damage, and the T-shaped lock rod is convenient to protect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a three-dimensional structure of a manhole cover synthesized by waste mulching films and modified red mud;

FIG. 2 is a schematic view of a partially cut-away structure of a strip-shaped pulling plate region in the present invention;

FIG. 3 is an enlarged schematic view of region A in FIG. 2;

fig. 4 is a sectional view of the manhole cover synthesized by the waste mulching film and the modified red mud of the invention;

FIG. 5 is a schematic view of a partial cross-sectional view of the area of the rotating baffle of the present invention;

FIG. 6 is a partially sectional view of the T-shaped lock bar connecting two adjacent bases.

In the figure: 1. a base; 2. an extension edge; 3. a T-shaped locking bar; 4. a bump; 5. a strip-shaped slide hole; 6. an upper cover frame; 7. a cross beam; 8. a strip-shaped pulling plate; 9. a cross-shaped slot; 10. reinforcing ribs; 11. a groove; 12. a slide pin; 13. a hauling rope; 14. a jack; 15. a front flange plate; 16. a rear flange plate; 17. a spring; 18. an L-shaped fixing plate; 19. rotating the baffle; 20. a rotating shaft; 21. a support surface; 22. a limiting groove; 23. an operation hole; 24. a locking hole; 25. pulling a rope; 26. an operation block; 27. and a side block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-6, a manhole cover synthesized by waste mulching films and modified red mud comprises a base assembly and a cover plate assembly, wherein the base assembly comprises a base 1, the base 1 is of a square frame structure, the cross section of the frame is of an h-shaped structure, a circle of supporting surface 21 is formed on the inner side of the square frame, a plurality of reinforcing ribs 10 are arranged in the frame, the cover plate assembly comprises an upper cover frame 6, the bottom side of the upper cover frame 6 is matched with the supporting surface 21, a plurality of cross beams 7 are uniformly arranged in the frame of the upper cover frame 6 close to the top side and form a plane with the top side of the base 1, an L-shaped fixing plate 18 is arranged on one side of the bottom ends of the cross beams 7, a rotating baffle 19 is arranged on the other side of the bottom ends of the cross beams 7, the rotating baffle 19 is rotatably arranged on one side of the upper cover frame 6 through a rotating shaft 20, one side of the rotating baffle 19 is matched with one side of the corresponding L-shaped fixing plate 18, the top end of the rotary baffle plate 19 is matched with the bottom side of the corresponding cross beam 7, the upper cover frame 6 is provided with a taking and placing mechanism, and the base 1 is provided with an interlocking mechanism.

Based on the above mechanisms, the base 1 is fixed on the ground of the drainage ditch, the upper cover frame 6 is placed on the supporting surface 21, the gaps among the crossbeams 7 form water leakage holes for rainwater to enter the drainage ditch, the rotating shaft 20 is positioned at the top side of the rotating baffle 19 through the arrangement of the rotating baffle 19, the rotating baffle 19 automatically rotates under the action of gravity and is attached to one side of the L-shaped fixed plate 18, at the moment, the crossbeams 7, the L-shaped fixed plate 18 and the rotating baffle 19 form a sealing surface, so that the gas in the drainage ditch cannot overflow, thereby preventing peculiar smell from dispersing outside the drainage ditch and influencing the surrounding air environment, when rainwater exists, the rainwater pushes the rotating baffle 19 to rotate for a certain angle, the rainwater flows to the drainage ditch through the opened gaps, normal drainage is carried out, and the cover plate assembly is conveniently taken down from the base 1 through the taking and putting mechanism through the arrangement of the taking and putting mechanism, be convenient for regularly clear up and maintain the escape canal, through interlocking mechanism's setting, can be in the same place adjacent base 1 interconnect, form wholly, prevent to shift the leak and appear, cause the gas in the escape canal excessive.

As shown in fig. 2 and 3, the pick-and-place mechanism comprises a strip-shaped pulling plate 8, two pulling ropes 13 are installed on the bottom side of the strip-shaped pulling plate 8, a cross-shaped groove 9 is formed on the top side of the cross beam 7, the strip-shaped pulling plate 8 is positioned in the cross-shaped groove 9, two sliding holes are formed on the bottom wall of the cross-shaped groove 9, the bottom ends of the two pulling ropes 13 penetrate through the corresponding sliding holes and extend to the bottom side of the cross beam 7, the bottom ends of the two pulling ropes 13 are connected with locking units, the strip-shaped pulling plate 8 is placed in the cross-shaped groove 9 to keep the top surface of the cross beam 7 in a planar state, the strip-shaped pulling plate 8 can be taken out through the notches on the two sides of the cross-shaped groove 9, the pulling ropes 13 can be thin steel wires with high strength and elastic filaments in the prior art, the strip-shaped pulling plate 8 is pulled upwards to enable the two pulling ropes 13 to slide out along the sliding holes, and after the length of one end slides out, the locking units connected with one end of the pulling ropes 13 limit the pulling ropes to continue sliding, the strip-shaped pulling plate 8 is continuously pulled upwards, and the cover plate assembly is taken out from the base 1.

As shown in fig. 3, the locking unit includes a sliding pin 12, step sliding holes are respectively formed in two corresponding sides of the upper cover frame 6, the sliding pin 12 is slidably mounted in the corresponding step sliding holes, a jack 14 is correspondingly formed in the base 1, one end of a traction rope 13 is connected to one end of the corresponding sliding pin 12, the other end of the sliding pin 12 is matched with the corresponding jack 14, a pushing unit is arranged on the sliding pin 12, the sliding pin 12 slides to the outer side of the upper cover frame 6 under the action of the pushing unit through the arrangement of the sliding pin 12 and is inserted into the corresponding jack 14, so that the upper cover frame 6 is prevented from being separated from the base 1, the firmness is increased, and when the strip-shaped pulling plate 8 is pulled upwards, the traction rope 13 overcomes the acting force of the pushing unit, so that the sliding pin 12 is separated from the jack 14, and the unlocking action is realized.

As shown in fig. 3, the pushing unit includes a spring 17, the spring 17 is sleeved on the sliding pin 12, the sliding pin 12 is sleeved with a front flange 15 and a rear flange 16, one side of the rear flange 16 is matched with the inner side wall of the upper cover frame 6, one end of the spring 17 is installed on one side of the front flange 15, the other end of the spring 17 is installed on the step surface of the step sliding hole, through the arrangement of the spring 17, the spring 17 pushes the front flange 15 to make the sliding pin 12 slide towards the outer side of the upper cover frame 6, after sliding to a certain degree, the rear flange 16 limits the sliding pin 12 to continue sliding, and when the sliding pin 12 slides reversely, the front flange 15 is close to the step surface of the step sliding hole and limits the sliding pin 12 to continue sliding.

As shown in fig. 4 and 6, the interlocking mechanism includes T-shaped locking lever 3, bar slide opening 5 has been seted up to the one end of base 1, locking hole 24 has been seted up to the other end, T-shaped locking lever 3 slidable mounting is in bar slide opening 5, the one end of T-shaped locking lever 3 matches with corresponding locking hole 24, through the setting of T-shaped locking lever 3, locking hole 24 is the T-shaped structure, the one end of T-shaped locking lever 3 slides in the corresponding T-row locking hole 24, move T-shaped locking lever 3 downwards again, make the one end of T-shaped locking lever 3 hold the inside wall that corresponds base 1, thereby link together two adjacent bases 1.

As shown in fig. 6, a side stopper 27 is installed at one side of the T-shaped lock rod 3, one side of the side stopper 27 is matched with the inner side of the base 1, the distance between one side of the side stopper 27 and one end of the T-shaped lock rod 3 is greater than the double wall thickness of the base 1, the T-shaped lock rod 3 is limited to move to a certain position by the arrangement of the side stopper 27, so that the locking between two adjacent bases 1 is realized, the distance between one side of the side stopper 27 and one end of the T-shaped lock rod 3 is greater than the double wall thickness of the base 1, so that a certain shaking amount can be provided between two adjacent bases 1, a certain radian is formed, and the bases 1 can be conveniently placed on a curved drainage ditch.

As shown in fig. 6, an operation block 26 is installed at one end of the T-shaped lock rod 3, an operation hole 23 is formed in one side of the base 1, the operation hole 23 corresponds to the operation block 26, the operation block 26 is clamped by a tool, so that the T-shaped lock rod 3 can move up and down along the strip-shaped sliding hole 5 conveniently, the tool can extend into the operation hole 23 conveniently, and the operation is convenient.

As shown in fig. 6, one end of the T-shaped lock rod 3 is connected with a pull rope 25, two grooves 11 are formed on the corresponding reinforcing rib 10 to form a convex column, a sleeve of the pull rope 25 is sleeved on the convex column to pull the T-shaped lock rod 3 tightly, and the T-shaped lock rod 3 can be pulled tightly by the pull rope 25 during transportation, so that the T-shaped lock rod 3 is prevented from being damaged due to sliding out of the T-shaped lock rod 3, and the T-shaped lock rod 3 is protected conveniently.

As shown in fig. 5, the rotating shaft 20 is located at a non-central position on the rotating baffle plate 19, and the rotating shaft 20 is located at a side close to the corresponding L-shaped fixing plate 18, so that the rotating baffle plate 19 rotates to one side of the L-shaped fixing plate 18 due to the eccentric arrangement of the rotating shaft 20, the rotating baffle plate 19 is attached to the L-shaped fixing plate 18 more tightly, and the sealing performance is improved.

As shown in fig. 1 and 4, extension limit 2 is all installed to the both sides of base 1, lug 4 is installed to the one end of base 1, the other end corresponds has seted up spacing groove 22, lug 4 with correspond spacing groove 22 phase-match, through the setting that extends limit 2, can be with extending in limit 2 buries soil, be convenient for increase fixed with base 1, lug 4 and spacing groove 22's setting can be the mutual location alignment between two adjacent bases 1, be convenient for fixed of base 1.

The working principle of the invention is as follows:

the base 1 is fixed on the ground of a drainage ditch, the upper cover frame 6 is placed on a supporting surface 21, water leakage holes are formed in gaps among the crossbeams 7 to facilitate rainwater to enter the drainage ditch, the rotating shaft 20 is positioned at the top side of the rotating baffle 19 through the arrangement of the rotating baffle 19, the rotating baffle 19 automatically rotates under the action of gravity and is attached to one side of the L-shaped fixed plate 18, at the moment, the crossbeams 7, the L-shaped fixed plate 18 and the rotating baffle 19 form a sealing surface to prevent gas in the drainage ditch from overflowing, so that peculiar smell is prevented from drifting out of the drainage ditch to influence the surrounding air environment, when rainwater exists, the rainwater pushes the rotating baffle 19 to rotate for a certain angle, the rainwater flows to the drainage ditch through the opened gap to carry out normal drainage, the cover plate assembly is conveniently taken down from the base 1 through the taking and placing mechanism, the drainage ditch is conveniently cleaned and maintained regularly, through interlocking mechanism's setting, can be in the same place adjacent base 1 interconnect, form wholly, prevent to shift the leak and appear, cause the gas in the escape canal excessive.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a synthetic well lid of old and useless plastic film and modified red mud, includes base subassembly and apron subassembly, its characterized in that: the base component comprises a base (1), the base (1) is of a square frame structure, the cross section of a frame is of an h-shaped structure, a circle of supporting surface (21) is formed on the inner side of the square frame, a plurality of reinforcing ribs (10) are arranged in the frame, the cover plate component comprises an upper cover frame (6), the bottom side of the upper cover frame (6) is matched with the supporting surface (21), a plurality of cross beams (7) are uniformly arranged in the frame of the upper cover frame (6) close to the top side and form a plane with the top side of the base (1), an L-shaped fixing plate (18) is arranged on one side of the bottom ends of the cross beams (7), rotating baffles (19) are arranged on the positions of the other sides of the bottom ends of the cross beams (7), the rotating baffles (19) are rotatably arranged on one side of the upper cover frame (6) through rotating shafts (20), one side of each rotating baffle (19) is matched with one side corresponding to the L-shaped fixing plate (18), the top end of the rotating baffle (19) is matched with the bottom side corresponding to the cross beam (7), the upper cover frame (6) is provided with a taking and placing mechanism, and the base (1) is provided with an interlocking mechanism.

2. The manhole cover synthesized by the waste mulching film and the modified red mud according to claim 1, which is characterized in that: get and put mechanism and include bar arm-tie (8), two haulage rope (13) are installed to the bottom side of bar arm-tie (8), cross groove (9) have been seted up on the top side of crossbeam (7), bar arm-tie (8) are located in cross groove (9), two sliding holes have been seted up on the groove diapire in cross groove (9), two the bottom of haulage rope (13) is run through and is corresponded the sliding hole extends to the bottom side of crossbeam (7), two the bottom of haulage rope (13) all is connected with the locking unit.

3. The manhole cover synthesized by the waste mulching film and the modified red mud as claimed in claim 2, wherein the manhole cover comprises: the locking unit comprises a sliding pin (12), step sliding holes are formed in two corresponding sides of the upper cover frame (6), the sliding pin (12) is slidably mounted in the corresponding step sliding holes, a jack (14) is correspondingly formed in the base (1), one end of the traction rope (13) is connected to the corresponding end of the sliding pin (12), the other end of the sliding pin (12) corresponds to the jack (14) in a matching mode, and a pushing unit is arranged on the sliding pin (12).

4. The manhole cover synthesized by the waste mulching film and the modified red mud as claimed in claim 3, wherein the manhole cover comprises: the top pushes up the unit and includes spring (17), spring (17) cover is established on sliding pin (12), cup joint flange dish (15) and back flange dish (16) before installing on sliding pin (12), one side of back flange dish (16) with match on the inside wall of upper cover frame (6), the one end of spring (17) is installed one side of preceding flange dish (15), the other end is installed on the step face of step slide opening.

5. The manhole cover synthesized by the waste mulching film and the modified red mud according to claim 1, which is characterized in that: the interlocking mechanism comprises a T-shaped locking rod (3), a strip-shaped sliding hole (5) is formed in one end of the base (1), a locking hole (24) is formed in the other end of the base, the T-shaped locking rod (3) is slidably mounted in the strip-shaped sliding hole (5), and one end of the T-shaped locking rod (3) corresponds to the locking hole (24) in a matching mode.

6. The manhole cover synthesized by the waste mulching film and the modified red mud of claim 5 is characterized in that: side stop block (27) are installed to one side of T shape locking lever (3), one side of side stop block (27) with the inboard phase-match of base (1), the distance between one side of side stop block (27) and T shape locking lever (3) one end is greater than the twice wall thickness of base (1).

7. The manhole cover synthesized by the waste mulching film and the modified red mud of claim 5 is characterized in that: an operation block (26) is installed at one end of the T-shaped lock rod (3), an operation hole (23) is formed in one side of the base (1), and the operation hole (23) corresponds to the operation block (26).

8. The manhole cover synthesized by the waste mulching film and the modified red mud of claim 5 is characterized in that: one end of the T-shaped lock rod (3) is connected with a pull rope (25), two grooves (11) are formed in the corresponding reinforcing rib (10) to form a convex column, and one end of the pull rope (25) is sleeved on the convex column and is tensioned with the T-shaped lock rod (3).

9. The manhole cover synthesized by the waste mulching film and the modified red mud according to claim 1, which is characterized in that: the rotating shaft (20) is located at a non-central position on the rotating baffle (19), and the rotating shaft (20) is located at one side close to the corresponding L-shaped fixing plate (18).

10. The manhole cover synthesized by the waste mulching film and the modified red mud according to claim 1, which is characterized in that: extension limit (2) are all installed to the both sides of base (1), lug (4) are installed to the one end of base (1), and spacing groove (22) have been seted up to the other end correspondence, lug (4) with correspond spacing groove (22) phase-match.