CN113006245A

CN113006245A - Town road drainage structures

Info

Publication number: CN113006245A
Application number: CN202110246101.7A
Authority: CN
Inventors: 唐琳; 王静; 林彤; 林丹
Original assignee: Fujian Lisen Construction Co ltd
Current assignee: Fujian Lisen Construction Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-06-22
Anticipated expiration: 2041-03-05
Also published as: CN113006245B

Abstract

The application discloses a municipal road drainage structure, relates to the technical field of municipal drainage structures, and solves the problem of large potential safety hazard when a well lid is lifted for drainage, and the municipal road drainage structure comprises a drainage well, a well lid arranged at a well mouth and a surrounding ring arranged on the outer peripheral side of the well lid; the drainage well is expanded along the circumferential direction below the well mouth; the bottom of the enclosure ring is vertically connected with at least three enclosure rods along the circumferential direction; the bottom of the well cover is vertically provided with lifting rods corresponding to the enclosing rods one by one; a connecting piece for driving the enclosing rod and the lifting rod to move oppositely along the vertical direction is arranged between the enclosing rod and the lifting rod; a locking component used for keeping the enclosing ring and the upper end of the well lid to be level is arranged between the enclosing ring and the well lid, and when the enclosing ring and the upper end of the well lid are level, the well lid seals the well mouth; after the locking assembly is unlocked, the well lid descends under the action of the self gravity of the well lid and drives the connecting piece to drive the enclosing rod to vertically ascend. This application can reduce the potential safety hazard of pedestrian and vehicle when increase displacement.

Description

Town road drainage structures

Technical Field

The application relates to the technical field of municipal drainage structures, in particular to a municipal road drainage structure.

Background

In town road drainage structure, road drainage well is the commonly used means that is used for getting rid of road ponding, refer to fig. 8, and a road drainage well that is common at present includes drainage well 1 and installs the well lid 2 that has the wash port in well head department.

When the rainfall is large and the road has more water, the well cover is usually lifted and placed aside to increase the water flow entering the drainage well. However, such a method of increasing the amount of water discharged is likely to cause a safety hazard to vehicles, pedestrians, and the like coming and going on the road.

Disclosure of Invention

In order to reduce the potential safety hazard that causes pedestrian's vehicle etc. when the well lid is lifted to the well lid back drainage, this application provides a town road drainage structure.

The application provides a town road drainage structures adopts following technical scheme:

a municipal road drainage structure comprises a drainage well, a well cover arranged at a well opening and a surrounding ring arranged on the outer peripheral side of the well cover; the drainage well is expanded along the circumferential direction below the well mouth;

the bottom of the enclosure ring is vertically connected with at least three enclosure rods along the circumferential direction; the bottom of the well cover is vertically provided with lifting rods corresponding to the enclosing rods one by one; a connecting piece for driving the enclosing rod and the lifting rod to move oppositely along the vertical direction is arranged between the enclosing rod and the lifting rod;

a locking assembly used for keeping the enclosing and protecting ring and the upper end of the well cover to be level is arranged between the enclosing and protecting ring and the well cover, and when the enclosing and protecting ring and the upper end of the well cover are level, the well cover seals the well mouth; after the locking assembly is unlocked, the well lid descends under the action of the self gravity and drives the connecting piece to drive the enclosing rod to vertically ascend.

By adopting the technical scheme, when the drainage capacity is increased, the fixing of the well cover and the enclosing ring is released through the locking assembly, the well cover descends under the action of the self gravity of the well cover, and the enclosing ring and the lifting rod move oppositely along the vertical direction through the connecting piece, so that the enclosing ring ascends; so, when increase displacement, enclose the well head week side through the fencing protective shroud after rising, the potential safety hazard to pedestrian and vehicle when greatly reduced the drainage.

Optionally, the diameter of the enclosing and protecting ring is larger than the diameter of the inner wall of the drainage well, an annular groove for placing the enclosing and protecting ring is formed in the upper end part of the drainage well, and a lifting hole for the enclosing and protecting rod to slide up and down is vertically and downwards formed in the bottom of the annular groove;

the connecting piece comprises a hinge rod, one end of the hinge rod is hinged with the enclosure rod, and the other end of the hinge rod is connected with the lifting rod; the inner wall of the drainage well is provided with a rotating groove for the hinge rod to rotate, and the rotating groove is communicated with the lifting hole; one end of the hinge rod, which is close to the lifting rod, is provided with a waist-shaped hole along the length direction of the hinge rod, and the bottom of the lifting rod is provided with a connecting column which penetrates through the waist-shaped hole and is in sliding connection with the waist-shaped hole;

when the well lid and the enclosure ring are at the same horizontal plane, the hinge rod is in a horizontal state and is abutted to the bottom of the rotating groove, and in the rotating process of the hinge rod, the side wall of the hinge rod is always abutted to one end, close to the inside of the drainage well, of the bottom of the rotating groove.

By adopting the technical scheme, after the locking assembly releases the fixation of the well lid and the enclosing ring, the well lid descends under the action of the gravity of the well lid, the connecting column is driven to press the hinge rod downwards, and the hinge rod rotates to drive the enclosing ring rod to move upwards; thereby achieving the purposes of descending the well cover and ascending the enclosing ring.

Optionally, at least three groups of locking assemblies are arranged, each locking assembly comprises a locking column, a traction rope, a driving spring and a driving gear, and a mounting hole for mounting the locking assembly is formed between the wellhead of the drainage well and the annular groove; the mounting hole is communicated with the annular groove and communicated with the interior of the drainage well;

the driving gear is coaxially provided with a rotating shaft, the rotating shaft is vertically arranged, two ends of the rotating shaft are rotatably installed on the hole wall of the installation hole, and racks matched with the driving gear are correspondingly arranged on the inner wall of the enclosing ring; the inner wall of the mounting hole is provided with a butting ring, one end of the driving spring is butted with the butting ring, the other end of the driving spring is butted with the locking column, and the driving spring is always in a compressed state; one end of the traction rope is fixedly connected with the rotating shaft, and the other end of the traction rope penetrates through the driving spring and is fixedly connected with the end part of the locking column;

the bottom of the enclosure ring is provided with a sliding groove, and the upper end part of the enclosure rod is slidably arranged in the sliding groove so that the enclosure ring can rotate along the circumferential direction of the enclosure ring; the enclosure ring is provided with a driving hole for applying force by hands or tools;

when the end part of the locking column moves into the well mouth to limit the lifting of the well lid, the upper end surface of the locking column is abutted against the lower end surface of the well lid, and the lower end surface of the enclosure ring is abutted against the bottom of the annular groove;

the mounting hole is provided with a fixing hole on the lower groove wall of the driving gear, a fixing column is vertically and slidably mounted in the fixing hole, and the cross section of the fixing column is rectangular and matched with the fixing hole;

a fixed spring for driving the fixed column to move upwards is arranged in the fixed hole, one end of the fixed spring is abutted against the bottom of the fixed hole, the other end of the fixed spring is abutted against the side wall of the end part of the fixed column, and the fixed spring is always in a compressed state; the bottom of the driving gear is provided with a locking groove;

the upper end of the fixed column is provided with a poking disc, the poking disc is provided with an inserting column for inserting into the locking groove, the enclosing ring is provided with a stepped groove at the lower end of the rack, and when the enclosing ring is positioned in the annular groove, the stepped groove is abutted against the poking disc and presses the poking disc downwards to drive the inserting column to be separated from the locking groove downwards;

the enclosure ring rotates to drive the driving gear to shrink the locking column into the mounting hole, and after the enclosure ring rises, the insertion column rises under the action of the fixed spring and is inserted into the locking groove.

Through adopting above-mentioned technical scheme, when removing the fixed to the well lid, through instrument application of force such as staff or inserted bar in the drive hole, rotate and enclose the protective shroud, drive gear rotates and will draw the stay cord and convolute in the axis of rotation, and the locking post is shrunk to the mounting hole in, and the well lid can descend by oneself and drive simultaneously and enclose the protective shroud and rise. When the well lid is locked, the rotation angle of the enclosure ring relative to the well lid is kept unchanged when the original locking column is contracted into the mounting hole, the raised enclosure ring is pressed down into the annular groove and matched with all the driving gears, and then the well lid is pulled up through a tool. In the process of pressing down the enclosure ring, the toggle plate is pressed down, so that the inserted forehead column is separated from the locking groove; and finally, rotating the enclosing ring to release the traction rope wound on the rotating shaft, wherein the locking column moves towards the inside of the well mouth under the action of the driving spring and abuts against the lower end face of the well lid, so that the well lid and the enclosing ring are kept in the same horizontal plane, and the well lid is locked.

Optionally, be provided with the string bag that is used for collecting rubbish in the drainage well, during the articulated mast horizontality, be provided with the couple on its bottom outer wall, the week side mesh and the couple lock joint each other of string bag.

Through adopting above-mentioned technical scheme, setting up of string bag can be collected rubbish, and on the string bag hung the couple of locating the hinge bar bottom, well lid decline in-process, the couple can move towards the drainage shaft inner wall along with the rotation of hinge bar for the face expansion of accepting of string bag, and do not influence the displacement.

Optionally, the drainage shaft passes through annular inclined plane transition and expands along circumference below the well head, be provided with along circumference on the annular inclined plane and block the post, block the vertical downward setting of post, the annular diameter that blocks the post and enclose and close is greater than the well lid diameter, and is less than the well lid and descends to just the distance to two couples when minimum.

Through adopting above-mentioned technical scheme, through the setting of interception post for great debris rubbish can do not intercept and directly drops, reduces rubbish debris and directly drops to the shaft bottom from the vacancy between string bag and the drainage well inner wall, causes the jam.

Optionally, the hook is hinged to the outer wall of the hinge rod.

Through adopting above-mentioned technical scheme, the couple is installed on the hinge bar through articulated mode for the hinge bar is rotating the in-process, and the couple keeps the stable upwards of hook portion, stably hangs and detains the string bag.

Optionally, the well lid and the lifting rod are detachably connected.

Through adopting above-mentioned technical scheme, can dismantle between well lid and the lifter and be connected, the staff of being convenient for goes into the well and carries out the enclosure clearance to the shaft bottom.

Optionally, the outer walls of the enclosure guard ring and the enclosure guard rod are provided with striped reflective paint.

Through adopting above-mentioned technical scheme, the warning effect is further improved in the setting of reflectorized paint, reminds the pedestrian to pay attention to safety.

In summary, the present application includes at least one of the following benefits:

1. when the drainage quantity is increased, the fixation of the well cover and the enclosing ring is released, the well cover descends under the action of the self gravity, and the enclosing rod and the lifting rod move oppositely along the vertical direction through the connecting piece, so that the enclosing ring ascends; the periphery of the wellhead is protected while the drainage quantity is increased, so that potential safety hazards to pedestrians and vehicles during drainage are reduced;

2. through the setting of string bag and interception post, can collect a large amount of bulky debris rubbish.

Drawings

FIG. 1 is a cross-sectional view of the present embodiment taken through a drainage well;

FIG. 2 is a sectional view of the manhole cover and the enclosure in the embodiment at the same level;

FIG. 3 is a cross-sectional view of the embodiment with the cover lowered to the lowest position and the collar raised to the highest position;

FIG. 4 is an enlarged schematic view at A in FIG. 2;

FIG. 5 is an enlarged schematic view at B in FIG. 2;

FIG. 6 is an enlarged schematic view at C of FIG. 3;

FIG. 7 is an exploded view of the containment ring and the containment pole of the present embodiment;

fig. 8 is a sectional view of a drainage well in the related art.

Description of reference numerals: 1. a drainage well; 11. an annular bevel; 12. an annular groove; 13. a lifting hole; 14. a rotating groove; 15. mounting holes; 151. a butting ring; 152. a fixing hole; 153. fixing a column; 154. fixing the spring; 155. a dial plate; 156. inserting the column; 2. a well cover; 21. a lifting rod; 22. connecting columns; 3. a surrounding ring; 31. a fencing rod; 311. a circular ring; 32. a rack; 33. a sliding groove; 34. a drive aperture; 35. a stepped groove; 4. a hinged lever; 41. a waist-shaped hole; 5. a locking assembly; 51. a locking post; 52. a pulling rope; 53. a drive spring; 54. a drive gear; 541. a rotating shaft; 542. a locking groove; 6. a net bag; 7. hooking; 8. and (4) intercepting the column.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses town road drainage structures. Referring to fig. 1, the road drainage structure includes a drainage well 1, a circular well lid 2 installed at a well opening of the drainage well 1 and having a drainage hole, and a containment ring 3 installed at an outer peripheral side of the well lid 2. The drainage well 1 is provided with an annular inclined plane 11 from the lower part of a well head for transition and outwards expands along the circumferential direction.

Referring to fig. 1, the bottom of the enclosure ring 3 is vertically connected with four enclosure rods 31, and the four enclosure rods 31 are uniformly distributed at intervals along the circumferential direction. The bottom of the well lid 2 is vertically connected with four lifting rods 21 correspondingly. A connecting piece is arranged between the lifting rods 21 of each group of corresponding enclosure rods 31, and the enclosure rods 31 and the lifting rods 21 can move towards each other in the vertical direction through the connecting piece. The outer walls of the enclosure guard ring 3 and the enclosure rod 31 are both sprayed with strip-shaped reflective paint, and the reflective paint can be prepared by mixing acrylic resin serving as a base material and a certain proportion of directional reflective materials in a solvent.

Referring to fig. 2 and 3, a locking assembly 5 is installed between the enclosure ring 3 and the well lid 2. When the rainfall is large, after the locking component 5 releases the locking, the well cover 2 can automatically descend under the action of the gravity of the well cover, so that the peripheral side of the well cover is separated from the inner wall of the drainage well 1, and the connecting piece is driven to drive the enclosing rod 31 to vertically ascend. Thereby increasing the displacement of the drainage well 1 and enclosing the periphery of the drainage well 1 by the enclosing ring 3. In addition, after the well lid 2 descends, even if a pedestrian carelessly falls into the drainage well 1, the well lid 2 can greatly reduce the condition that the pedestrian directly falls into the bottom of the drainage well 1.

Referring to fig. 3 and 4, the diameter of the retainer 3 is larger than the maximum diameter of the inner wall of the drainage well 1. The upper end of the drainage well 1 is provided with an annular groove 12 for placing the enclosure ring 3. The bottom of the annular groove 12 is correspondingly provided with a lifting hole 13 for the enclosure rod 31 to slide along the vertical direction. The connecting piece adopts a hinged rod 4, one end of the hinged rod 4 is hinged with the bottom of the enclosure rod 31, and the other end of the hinged rod 4 is connected with the lifting rod 21. The inner wall of the drainage well 1 is provided with a rotating groove 14 communicated with the lifting hole 13, and the hinge rod 4 can be movably arranged in the rotating groove 14. Waist-shaped hole 41 is opened to the one end that articulated rod 4 is close to lifter 21, and the fixed welding of the bottom of lifter 21 has spliced pole 22, and spliced pole 22 level wears to locate in waist-shaped hole 41 to and form sliding connection between waist-shaped hole 41.

Referring to fig. 2 and 3, when the connecting column 22 abuts against one end of the kidney-shaped hole 41 close to the guard bar 31, the well lid 2 and the guard ring 3 are in the same horizontal plane, the well lid 2 seals the well mouth, and the hinge rod 4 is in a horizontal state and abuts against the bottom of the rotating groove 14. In the process of vertical opposite movement of the well lid 2 and the enclosure ring 3, the hinge rod 4 rotates, and the side wall of the hinge rod 4 is always abutted against one end of the bottom of the rotating groove 14, which is close to the inside of the drainage well 1. When the connecting column 22 is abutted with one end of the waist-shaped hole 41 far away from the enclosure rod 31, the well lid 2 is lowered to the lowest position and the enclosure ring 3 is raised to the maximum height.

Referring to fig. 2 and 5, the locking assemblies 5 are provided in four groups and are uniformly distributed at intervals along the circumferential direction of the enclosure 3. The locking assembly 5 includes a locking post 51, a pull cord 52, a drive spring 53 and a drive gear 54. A mounting hole 15 is formed between the wellhead of the drainage well 1 and the annular groove 12 corresponding to the locking component 5, and two ends of the mounting hole 15 are respectively communicated with the annular groove 12 and the drainage well 1.

Referring to fig. 3 and 6, a rotating shaft 541 is coaxially inserted through the driving gear 54, and the rotating shaft 541 and the driving gear 54 are welded and fixed to each other. The rotating shaft 541 is vertically installed at one end of the installation hole 15 close to the annular groove 12, and both ends of the rotating shaft 541 are rotatably connected with the installation hole 15. The rack gear 32 is welded to the inner wall of the retainer 3 in the circumferential direction, and the drive gear 54 partially extends to the annular groove 12, so that the drive gear 54 can be engaged with the rack gear 32.

Referring to fig. 6 and 7, the bottom of the enclosure guard ring 3 is provided with a sliding groove 33, the sliding groove 33 is an arc groove structure with a T-shaped cross section, correspondingly, the upper end of the enclosure rod 31 is welded and fixed with a ring 311, and the ring 311 is hung in the sliding groove 33 and forms a sliding connection with the sliding groove 33, so that the enclosure guard ring 3 can rotate around the center of the circle. When the enclosure bar 31 is installed, a larger opening is formed at one end of the sliding groove 33, and after the enclosure bar 31 and the ring 311 are slid into the sliding groove 33, the larger opening end of the sliding groove 33 is welded and sealed.

Referring to fig. 2 and 5, the locking post 51 slides in the mounting hole 15, and a rounded corner is formed at an upper portion of an end of the locking post 51 near the inlet. One end of the pulling rope 52 is fixed to the outer wall of the rotating shaft 541 by fitting, and the other end is fixed to the end side wall of the locking post 51 by fitting. An abutting ring 151 is welded on the inner wall of one end of the mounting hole 15 close to the driving gear 54. One end of the driving spring 53 abuts against the abutting ring 151, and the other end abuts against the end side wall of the locking post 51. The drive spring 53 is always under compression so that the locking post 51 always has a tendency to move towards the wellhead. The pulling rope 52 passes through the driving spring 53 and is always kept in a straight state under the action of the driving spring 53.

Referring to fig. 2 and 5, when the end of the locking column 51 far away from the retaining ring 3 is located in the well opening, the upper end surface of the locking column 51 is abutted against the lower end surface of the well cover 2, and the lower end surface of the retaining ring 3 is abutted against the groove bottom of the annular groove 12, so that the well cover 2 and the retaining ring 3 cannot move up and down in opposite directions. Two driving holes 34 are symmetrically formed in the enclosure guard ring 3, and the enclosure guard ring 3 can be rotated by inserting a hand or an insertion rod or other tools into the driving holes 34; the driving gear 54 is driven to rotate, so that the pulling rope 52 can be wound on the rotating shaft 541, the locking column 51 is moved and contracted into the mounting hole 15, and the fixing of the well lid 2 is released.

Referring to fig. 3 and 6, in order to make the well lid 2 smoothly rise from the lower part of the well head to be flush with the upper end surface of the drainage well 1, that is, the locking assembly 5 releases the fixation of the well lid 2, after the retainer ring 3 rises, the locking column 51 is required to be kept completely in the mounting hole 15. The mounting hole 15 is provided with a fixing hole 152 on a hole wall below the driving gear 54, and a fixing column 153 slides up and down in the fixing hole 152. The fixing posts 153 have a rectangular cross-section and are engaged with the fixing holes 152 to be non-rotatable. A fixing spring 154 is installed in the fixing hole 152, one end of the fixing spring 154 is welded to the bottom of the fixing hole 152, and the other end is welded to the bottom of the fixing post 153. The fixing spring 154 is always in a compressed state so that the fixing post 153 always tends to move upward.

Referring to fig. 6, a dial 155 is welded and fixed to the upper end of the fixing column 153, an insertion column 156 is welded vertically upward at the edge of the upper end surface of the dial 155, and the upper end of the insertion column 156 is of a spherical structure. The bottom of the driving gear 54 is correspondingly provided with a locking groove 542 for inserting the insertion column 156. The bottom of the inner wall of the surrounding guard ring 3 is correspondingly provided with a stepped groove 35 for the sliding connection after the toggle disc 155 is abutted.

Referring to fig. 2 and 5, when the lower end surface of the enclosure ring 3 abuts against the bottom of the annular groove 12, the stepped groove 35 abuts against the toggle plate 155 and presses the fixing post 153 down, so that the insertion post 156 is separated from the locking groove 542.

Referring to fig. 3 and 6, when the water discharge needs to be increased, the enclosure ring 3 rotates, and one end wall of the sliding groove 33, which is originally far away from the enclosure rod 31, moves to abut against the enclosure rod 31; meanwhile, the upper end groove wall of the stepped groove 35 slides relative to the upper end surface of the dial plate 155. The locking post 51 is retracted into the mounting hole 15, the retainer 3 is lifted, and the dial plate 155 is lifted under the action of the fixed spring 154, so that the insertion post 156 is inserted into the locking groove 542; the rotation of the drive gear 54 is restricted, and the pulling rope 52 is wound around the rotating shaft 541, thereby maintaining the state in which the lock cylinder 51 is completely retracted in the mounting hole 15.

Referring to fig. 2 and 5, when it is needed to keep the retaining ring 3 and the well lid 2 at the same level, the retaining ring 3 is pressed down, and at the same time, the well lid 2 is fastened on the drain hole by a tool such as a hook to pull up the drain hole; when the enclosure protection ring 3 is pressed downwards into the annular groove 12, the angle of the enclosure protection ring 3 relative to the well lid 2 is kept inconvenient when the original locking column 51 is contracted into the mounting hole 15, and then the enclosure protection ring 3 is pressed downwards and aligned to all the driving gears 54; after the retainer 3 is pressed down and the lower end surface thereof abuts against the bottom of the groove 12, the dial 155 is pressed down and the plug column 156 is disengaged from the locking groove 542. Subsequently, the retainer ring 3 is rotated to release the pulling rope 52 wound around the rotating shaft 541, and the lock post 51 is inserted into the inlet by the drive spring 53 and abuts against the lower end surface of the manhole cover 2.

Referring to fig. 1 and 3, further, after the well lid 2 is lowered, a large amount of garbage and foreign materials are introduced into the drain well 1. A net bag 6 for collecting garbage is arranged in the drainage well 1. The middle position of the side wall at the bottom of the hinged rod 4 is hinged with a hook 7. The distance between the two opposite hooks 7 is always larger than the diameter of the well cover 2. The peripheral meshes of the net bag 6 are buckled on the hook 7.

Referring to fig. 3, the inclined plane is nailed with the blocking columns 8 downwards along the circumference evenly at intervals, and the diameter of the ring enclosed by the blocking columns 8 is larger than that of the well lid 2 and smaller than the distance between the well lid 2 and the two hooks 7 when the well lid 2 descends to the lowest point. The well lid 2 descends, and enclosure ring 3 rises, and articulated rod 4 takes place to rotate, and at this in-process, the position at couple 7 place is close to towards water supply and drainage well 1 inner wall for the area expansion that string bag 6 accepted. The larger garbage sundries flow into the well from the well mouth along the water flow, and most of the garbage sundries fall into the net bag 6 under the interception of the interception column 8.

In addition, the weight of the net bag 6 and the sundries further increases the acting force for driving the apron ring 3 to rise, so that the apron ring 3 can stably keep a rising state. In other embodiments, the lifting rods 21, the hinge rods 4 and the enclosure rods 31 can be arranged in eight groups or more, and the number of the corresponding hooks 7 is the same as that of the hinge rods 4, so that the supporting surface of the net bag 6 in the vertical direction is closer to a circular shape.

Referring to fig. 3, further, to facilitate cleaning up the sundries in the net bag 6. The well lid 2 and the lifting rod 21 are fixed through countersunk bolts. When clearing up rubbish, dismantle the separation with well lid 2 and lifter 21, can take out string bag 6 from couple 7 after taking out well lid 2 and clear up.

The implementation principle of town road drainage structures of the embodiment of this application does:

the rainfall is large, and the drainage quantity of the drainage well 1 needs to be increased. The manhole cover 2 is released from being fixed to the locking post 51 by inserting a hand or an insertion rod into the driving hole 34 and rotating the retainer 3. Then the well lid 2 descends under the action of self gravity, and simultaneously the hinge rod 4 is driven to rotate, so that the enclosure rod 31 and the enclosure ring 3 are driven to ascend. Thus, when the displacement of the drainage well 1 is increased, the periphery of the well mouth is surrounded by the surrounding ring 3, and potential safety hazards of pedestrians, vehicles and the like are reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A town road drainage structures which characterized in that: comprises a drainage well (1), a well cover (2) arranged at a well opening and a surrounding ring (3) arranged on the outer peripheral side of the well cover (2); the drainage well (1) is expanded along the circumferential direction below the well mouth;

the bottom of the enclosure guard ring (3) is vertically connected with at least three enclosure guard rods (31) along the circumferential direction; the bottom of the well cover (2) is vertically provided with lifting rods (21) corresponding to the enclosing rods (31) one by one; a connecting piece for driving the enclosing rod (31) and the lifting rod (21) to move oppositely along the vertical direction is arranged between the enclosing rod and the lifting rod;

a locking component (5) used for keeping the enclosing and protecting ring (3) and the upper end of the well lid (2) in parallel and level is arranged between the enclosing and protecting ring (3) and the well lid (2), and when the enclosing and protecting ring (3) and the upper end of the well lid (2) in parallel and level, the well lid (2) seals the well mouth; after the locking assembly (5) is unlocked, the well lid (2) descends under the action of the gravity of the well lid and drives the connecting piece to drive the enclosing rod (31) to vertically ascend.

2. The municipal road drainage structure according to claim 1, wherein: the diameter of the enclosing and protecting ring (3) is larger than that of the inner wall of the drainage well (1), an annular groove (12) for the enclosing and protecting ring (3) to be placed is formed in the upper end of the drainage well (1), and a lifting hole (13) for the enclosing and protecting rod (31) to slide up and down is vertically formed in the bottom of the annular groove (12) downwards;

the connecting piece comprises a hinge rod (4), one end of the hinge rod (4) is hinged with the surrounding rod (31), and the other end of the hinge rod is connected with the lifting rod (21); the inner wall of the drainage well (1) is provided with a rotating groove (14) for the hinge rod (4) to rotate, and the rotating groove (14) is communicated with the lifting hole (13); one end of the hinge rod (4) close to the lifting rod (21) is provided with a waist-shaped hole (41) along the length direction of the hinge rod (4), and the bottom of the lifting rod (21) is provided with a connecting column (22) which penetrates through the waist-shaped hole (41) and is in sliding connection with the waist-shaped hole (41);

well lid (2) and enclosure (3) are when same horizontal plane, hinge bar (4) are the horizontality and with rotate groove (14) tank bottom butt, and hinge bar (4) rotate the in-process, and the lateral wall of hinge bar (4) is close to the inside one end butt of drainage shaft (1) with rotating groove (14) tank bottom all the time.

3. The municipal road drainage structure according to claim 1, wherein: the water drainage well is characterized in that at least three groups of locking assemblies (5) are arranged, each locking assembly (5) comprises a locking column (51), a traction rope (52), a driving spring (53) and a driving gear (54), and a mounting hole (15) for mounting the locking assembly (5) is formed between the well mouth of the water drainage well (1) and the annular groove (12); the mounting hole (15) is communicated with the annular groove (12) and communicated with the interior of the drainage well (1);

the driving gear (54) is coaxially provided with a rotating shaft (541), the rotating shaft (541) is vertically arranged, two ends of the rotating shaft are rotatably installed on the hole wall of the installation hole (15), and the inner wall of the enclosure ring (3) is correspondingly provided with a rack (32) matched with the driving gear (54); the inner wall of the mounting hole (15) is provided with a butting ring (151), one end of the driving spring (53) is butted with the butting ring (151), the other end of the driving spring is butted with the locking column (51), and the driving spring (53) is always in a compressed state; one end of the pulling rope (52) is fixedly connected with the rotating shaft (541), and the other end of the pulling rope passes through the driving spring (53) and is fixedly connected with the end part of the locking column (51);

the bottom of the enclosing ring (3) is provided with a sliding groove (33), and the upper end part of the enclosing rod (31) is slidably arranged in the sliding groove (33) so that the enclosing ring (3) can rotate along the circumferential direction; the surrounding ring (3) is provided with a driving hole (34) for applying force by hands or tools;

when the end part of the locking column (51) moves into a wellhead to limit the lifting of the well lid (2), the upper end surface of the locking column (51) is abutted against the lower end surface of the well lid (2), and the lower end surface of the surrounding ring (3) is abutted against the bottom of the annular groove (12);

a fixing hole (152) is formed in the mounting hole (15) on the groove wall below the driving gear (54), a fixing column (153) is vertically and slidably mounted in the fixing hole (152), and the cross section of the fixing column (153) is rectangular and matched with the fixing hole (152);

a fixed spring (154) for driving the fixed column (153) to move upwards is installed in the fixed hole (152), one end of the fixed spring (154) abuts against the bottom of the fixed hole (152), the other end of the fixed spring (154) abuts against the side wall of the end part of the fixed column (153), and the fixed spring (154) is in a compressed state all the time; the bottom of the driving gear (54) is provided with a locking groove (542);

the upper end of the fixed column (153) is provided with a poking disc (155), the poking disc (155) is provided with an inserting column (156) which is used for being inserted into a locking groove (542), the lower end of the rack (32) of the enclosing and protecting ring (3) is provided with a stepped groove (35), when the enclosing and protecting ring (3) is positioned in the annular groove (12), the stepped groove (35) is abutted against the poking disc (155) and presses down the same to drive the inserting column (156) to be separated from the locking groove (542);

after the enclosing and protecting ring (3) rotates, the driving gear (54) is driven to enable the locking column (51) to be contracted into the mounting hole (15), and after the enclosing and protecting ring (3) rises, the inserting column (156) rises under the action of the fixing spring (154) and is inserted into the locking groove (542).

4. A municipal road drainage structure according to claim 2, wherein: be provided with string bag (6) that are used for collecting rubbish in drainage shaft (1), during hinge bar (4) horizontal state, be provided with couple (7) on its bottom outer wall, the week side mesh and the couple (7) of string bag (6) lock joint each other.

5. A municipal road drainage structure according to claim 4, wherein: drainage shaft (1) passes through annular inclined plane (11) transition and expands along circumference below the well head, be provided with along circumference on annular inclined plane (11) and block post (8), block the vertical downward setting of post (8), block the annular diameter that post (8) enclosed and close and be greater than well lid (2) diameter, and be less than well lid (2) and descend to just to the distance of two couples (7) when minimum.

6. A municipal road drainage structure according to claim 5, wherein: the hook (7) is hinged to the outer wall of the hinge rod (4).

7. The municipal road drainage structure according to claim 1, wherein: the manhole cover (2) is detachably connected with the lifting rod (21).

8. The municipal road drainage structure according to claim 1, wherein: and the outer walls of the enclosure guard ring (3) and the enclosure rod (31) are provided with striped reflective paint.