CN217580300U

CN217580300U - Height-adjustable inspection well cover

Info

Publication number: CN217580300U
Application number: CN202220895979.3U
Authority: CN
Inventors: 费叶琦; 高文迪; 张豪; 赵朋飞; 赵建平; 马竹樵
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-10-14
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a height-adjustable's inspection shaft lid, hold in the palm including the lid, the lid closes the well lid that holds in the palm in the lid, at least three be used for holding in the palm the climbing mechanism of jack-up with the relative lid of well lid, every climbing mechanism all includes and holds in the palm inner wall fixed connection's base station with the lid, with base station sliding connection and to the support piece of the well lid support power that makes progress, rotate the first bevel gear that sets up on the base station and be connected through the screw thread with support piece, rotate the second bevel gear that sets up on the base station and mesh mutually with first bevel gear, at least one can break away with second bevel gear be connected and be used for driving second bevel gear pivoted driving piece. The utility model discloses simple structure, simple operation can adjust the height of well lid in a flexible way for when the well lid sinks, can adjust the well lid to flush with the road surface, not only avoid the danger that brings for pedestrian or vehicle, still avoid the road surface to be rolled by the vehicle of process and damage, improved the life of road, also reduced the cost of municipal repair road simultaneously.

Description

Height-adjustable inspection well cover

Technical Field

The utility model relates to a height-adjustable's inspection shaft lid is applicable to municipal administration equipment technical field.

Background

The inspection well is a straight section of pipeline arranged when urban underground pipelines such as a sewer, a tap water pipeline, an electric power pipeline and the like are led to the ground, and is convenient for personnel to enter the underground pipelines for maintenance or cleaning work. The inspection well is usually covered by an inspection well cover made of reinforced cement, metal or reinforced plastics and the like, so that the road surface can be ensured to be smooth, and pedestrians or vehicles can be prevented from falling into the inspection well carelessly. However, the inspection well is easy to settle in the use of the inspection well for a long time, so that the inspection well cover covered on the inspection well is lowered, the position of the road surface where the inspection well cover is laid is sunken, and the danger is brought to passers-by or vehicles; the road surface at the sinking position of the inspection well cover is easy to be crushed by the wheels, so that the service life of the road is shortened, and unnecessary cost increase is brought to municipal administration.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a height-adjustable inspection well cover.

The utility model adopts the technical proposal that: the utility model provides a height-adjustable's inspection shaft lid, hold in the palm including annular lid, the lid closes the well lid that holds in the palm in the lid, at least three sets up and is used for holding in the palm the climbing mechanism of jack-up with the relative lid of well lid between well lid and lid support, every climbing mechanism all includes the base station that holds in the palm with the lid, wear to establish in the base station and with base station sliding connection and provide ascending support force's support piece to the well lid, rotate the first bevel gear that sets up on the base station and be connected through the screw thread with support piece, rotate the second bevel gear that sets up on the base station and mesh mutually with first bevel gear, at least one is connected and is used for driving second bevel gear pivoted driving piece with second bevel gear can break away. Through the rotation of driving piece drive second bevel gear, and it is rotatory to drive first bevel gear by second bevel gear, pivoted first bevel gear can make support piece can adjust the height in a flexible way in the vertical direction under the effect of screw thread, all adjust the support piece in a plurality of climbing mechanism to the same and suitable height, make the well lid close can keep the height that flushes with the road surface under support piece's support when on the inspection shaft, avoid because the well lid sinks and the danger that brings for pedestrian or vehicle, also play the guard action to the road surface of the department that sinks, prevent to be rolled by the vehicle and damage, improve its life, municipal cost of maintenance has also been reduced.

Furthermore, the base station is provided with an accommodating groove, the first bevel gear is rotatably embedded in the accommodating groove, and the supporting piece penetrates through the accommodating groove from top to bottom and is in threaded connection with the first bevel gear, so that the position of the first bevel gear in the vertical direction is fixed, and the supporting piece is conveniently driven to move in the vertical direction through threads.

Furthermore, at least one first chute which is concentric with the first bevel gear and is annular is arranged on the upper side face or/and the lower side face of the first bevel gear, a second chute corresponding to the at least one first chute is arranged on the inner wall of the upper side of the accommodating groove, and a plurality of balls are arranged between each first chute and the corresponding second chute, so that the first bevel gear is prevented from being in direct contact with the inner wall of the accommodating groove, the friction force between the first bevel gear and the accommodating groove is reduced, and the first bevel gear is driven more easily.

Furthermore, the support piece comprises a screw rod which is arranged in the base station in a penetrating mode and is in sliding connection with the base station, and a supporting foot arranged at the upper end of the screw rod, the screw rod is in threaded connection with the first bevel gear, a rubber pad is arranged on the top surface of the supporting foot, the supporting foot is abutted against the well lid through the rubber pad, the stress surface of the well lid is enlarged through the supporting foot, the support piece can stably support the well lid, and meanwhile, through the rubber pad, friction between the supporting foot and the well lid is increased, and the well lid is prevented from shifting; the vibration generated when the vehicle drives through the well lid is also reduced, the mutual abrasion between the supporting feet and the well lid is prevented, and the service life of the supporting feet is prolonged.

Furthermore, the side face of the lower end of the screw is provided with a sliding block, a sliding groove is formed in the base station along the axial lead direction of the screw, the screw is connected with the sliding groove in a sliding mode in the vertical direction through the sliding block, and the sliding block is embedded in the sliding groove, so that the screw and the base station can conveniently slide in the vertical direction, the fact that the screw is driven to rotate when the first bevel gear rotates is avoided, and stable thread transmission between the first bevel gear and the screw is guaranteed.

Furthermore, the side surface of the base station is provided with an insertion hole for connecting a second bevel gear, the end surface of the second bevel gear close to the base station is provided with a cylindrical convex part, and the second bevel gear is rotatably connected with the insertion hole through the convex part.

Furthermore, a fixed shaft is fixedly connected to the second bevel gear, the fixed shaft is inserted into the jack, a limit groove is formed in the end portion, located in the jack, of the fixed shaft along the circumferential direction, a pin penetrating into the jack is inserted into the base station, the pin is perpendicular to the axial direction of the fixed shaft and is connected with the limit groove in a relatively sliding mode, and the pin is inserted into the limit groove to limit the axial movement of the fixed shaft, so that the second bevel gear can be stably connected to the base station; the limiting groove arranged along the circumferential direction can ensure that the rotation of the second bevel gear is not hindered; in addition, the second bevel gear can be detached by pulling out the pin, so that the replacement of parts and the periodic maintenance are facilitated.

Furthermore, the pin is inserted into the wall of the other side of the jack from one side of the jack and is inserted into the wall of the other side of the jack, the fixed pin is used for further limiting the displacement of the fixed shaft in the axial direction, and at least one end part of the pin is located outside the base station, so that the pin can be conveniently plugged and pulled out.

Furthermore, the driving part is an L-shaped operating part, and the top end of the fixing shaft is provided with a matching hole matched with the driving part, so that labor is saved when the second bevel gear is driven by the driving part.

Furtherly, the central axis evenly distributed that at least three climbing mechanism held in the palm around the lid improves climbing mechanism to the support stability of well lid, prevents that vehicle or pedestrian from taking place to stick up when the well lid and turn over.

Because of the application of the above technical scheme, the utility model discloses compare prior art and have following advantage:

the utility model provides a height-adjustable's inspection shaft lid, moreover, the steam generator is simple in structure, the simple operation, support piece's height in can conveniently adjusting climbing mechanism through the driving piece, prop up the well lid through support piece, and then adjust the height of well lid in a flexible way, make when the inspection shaft subsides and lead to the well lid to sink, can flush the altitude mixture control of well lid to with the road surface, not only avoided because the well lid sinks and the danger that brings for pedestrian or vehicle, still avoided road surface and well lid junction to be rolled the damage by the vehicle of process, the service life of road is improved, the cost of municipal maintenance road has also been reduced simultaneously.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the construction of the jacking mechanism in the embodiment of FIG. 1;

FIG. 3 is a cross-sectional view of the jacking mechanism in the embodiment of FIG. 1;

wherein the reference numerals are as follows:

1. a cover support; 2. a well cover; 3. a jacking mechanism; 31. a base station; 311. a containing groove; 312. a chute; 313. a jack; 32. a support member; 321. a screw; 322. a brace; 323. a rubber pad; 324. a slider; 33. a first bevel gear; 331. a first chute; 332. a second chute; 333. a ball bearing; 34. a second bevel gear; 341. a fixed shaft; 342. a limiting groove; 343. a pin; 344. a mating hole; 35. a drive member.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-3, the height-adjustable manhole cover in this embodiment includes an annular cover support 1, a manhole cover 2 covering the cover support 1, and at least three jacking mechanisms 3 disposed between the manhole cover 2 and the cover support 1 and configured to jack up the manhole cover 2 with respect to the cover support 1.

Each jacking mechanism 3 comprises a base 31 fixedly connected with the inner wall of the cover support 1, a support member 32 penetrating through the base 31 and slidably connected with the base 31 and providing upward supporting force for the well cover 2, a first bevel gear 33 rotatably arranged on the base 31 and connected with the support member 32 through threads, a second bevel gear 34 rotatably arranged on the base 31 and meshed with the first bevel gear 33, at least one driving member 35 detachably connected with the second bevel gear 34 and used for driving the second bevel gear 34 to rotate, an insertion hole 313 used for connecting the second bevel gear 34 is formed in the side surface of the base 31, a cylindrical convex part (not shown in the figure) is arranged on the end surface of the second bevel gear 34 close to the base 31, and the second bevel gear 34 is rotatably connected with the insertion hole 313 through the convex part. The driving part 35 drives the second bevel gear 34 to rotate, the second bevel gear 34 drives the first bevel gear 33 to rotate, the rotating first bevel gear 33 enables the supporting part 32 to flexibly adjust the height in the vertical direction under the action of threads, the supporting parts 32 in the plurality of jacking mechanisms 3 are all adjusted to the same and proper height, the height which is flush with the road surface can be kept under the support of the supporting part 32 when the well cover 2 is covered on the inspection well, the danger brought to pedestrians or vehicles due to sinking of the well cover 2 is avoided, the road surface at the sinking position is protected, the damage caused by rolling of the vehicles is prevented, the service life of the well cover is prolonged, and the municipal maintenance cost is also reduced. The support member 32 comprises a screw 321 which penetrates through the base station 31 and is in sliding connection with the base station 31, and a supporting leg 322 which is arranged at the upper end of the screw 321, the screw 321 is in threaded connection with the first bevel gear 33, a rubber pad 323 is arranged on the top surface of the supporting leg 322, the supporting leg 322 abuts against the well lid 2 through the rubber pad 323, the stress surface of the well lid 2 is enlarged through the supporting leg 322, so that the support member 32 can support the well lid 2 more stably, and meanwhile, through the rubber pad 323, the friction force between the supporting leg 322 and the well lid 2 is increased, and the well lid 2 is prevented from shifting; the vibration generated when the vehicle drives over the well lid 2 is also reduced, the mutual abrasion between the supporting feet 322 and the well lid 2 is prevented, and the service life of the supporting feet 322 is prolonged.

In a more preferred embodiment, the base 31 is provided with an accommodating groove 311, the first bevel gear 33 is rotatably embedded in the accommodating groove 311, and the support member 32 passes through the accommodating groove 311 from top to bottom and is in threaded connection with the first bevel gear 33, so that the position of the first bevel gear 33 in the vertical direction is fixed, and the support member 32 is conveniently driven to move in the vertical direction by threads.

In a more preferred embodiment, the upper side surface or/and the lower side surface of the first bevel gear 33 is provided with at least one annular first sliding slot 331 concentric with the first bevel gear 33, the inner wall of the upper side of the accommodating slot 311 is provided with at least one second sliding slot 332 corresponding to the at least one first sliding slot 331, and a plurality of balls 333 are arranged between each first sliding slot 331 and the corresponding second sliding slot 332 to prevent the first bevel gear 33 from directly contacting with the inner wall of the accommodating slot 311, so as to reduce the friction force between the two, and to save more labor when the first bevel gear 33 is driven.

In a more preferred embodiment, a sliding block 324 is disposed on a side surface of a lower end of the screw 321, a sliding groove 312 is disposed inside the base platform 31 along an axial direction of the screw 321, the screw 321 is connected with the sliding groove 312 in a sliding manner in the vertical direction through the sliding block 324, and the sliding block 324 can be embedded in the sliding groove 312, so that the screw 321 and the base platform 31 can slide in the vertical direction conveniently, the screw 321 is prevented from being driven to rotate when the first bevel gear 33 rotates, and stable thread transmission between the first bevel gear 33 and the screw 321 is ensured.

In a more preferred embodiment, a fixing shaft 341 is fixedly connected to the second bevel gear 34, the fixing shaft 341 is inserted into the insertion hole 313, a limit groove 342 is circumferentially opened at an end portion of the fixing shaft 341 located in the insertion hole 313, a pin 343 inserted into the insertion hole 313 is inserted into the base 31, and the pin 343 is perpendicular to an axial direction of the fixing shaft 341 and is relatively slidably connected to the limit groove 342.

In a more preferred embodiment, the driving member 35 is an L-shaped operating member, and the top end of the fixed shaft 341 is provided with a matching hole 344 matched with the driving member 35, so that the driving of the second bevel gear 34 by the driving member 35 is more labor-saving.

In a more preferred embodiment, the pin 343 is inserted from one side of the insertion hole 313 and inserted into the wall of the other side of the insertion hole 313, and at least one end portion of the pin 343 is located outside the base 31, and by inserting the pin 343 into the limit groove 342, the movement of the fixed shaft 341 in the axial direction thereof is limited, ensuring that the second bevel gear 34 can be stably coupled to the base 31; the limiting groove 342 formed along the circumferential direction can ensure that the second bevel gear 34 is not hindered from rotating; in addition, the second bevel gear 34 can be removed by pulling out the pin 343, facilitating replacement of parts and periodic maintenance.

In a more preferred embodiment, at least three climbing mechanism 3 holds in the palm 1 central axis evenly distributed around the lid, improves the climbing mechanism 3 and to well lid 2's support stability, takes place the perk when preventing vehicle or pedestrian from passing through well lid 2.

the utility model provides a height-adjustable's inspection shaft lid, moreover, the steam generator is simple in structure, the simple operation, support piece's height in climbing mechanism can be conveniently adjusted through the driving piece, prop up the well lid through support piece, and then adjust the height of well lid in a flexible way, make when the inspection shaft subsides and lead to the well lid to sink, can flush the altitude mixture control of well lid to with the road surface, not only avoided because the well lid sinks and gives the danger that pedestrian or vehicle brought, still avoided road surface and well lid junction to be rolled by the vehicle of process and damaged, the service life of road is prolonged, the while has also reduced municipal maintenance road's cost.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a height-adjustable's inspection shaft lid, includes that annular lid holds in the palm (1), the lid closes well lid (2), at least three setting on the lid holds in the palm (1) well lid (2) and lid hold in the palm between (1) and be used for with well lid (2) are relative lid holds in the palm climbing mechanism (3) of (1) jack-up, its characterized in that: each jacking mechanism (3) comprises a base platform (31) fixedly connected with the inner wall of the cover support (1), a support member (32) which is arranged in the base platform (31) in a penetrating mode, is connected with the base platform (31) in a sliding mode and provides upward supporting force for the well cover (2), a first bevel gear (33) which is rotatably arranged on the base platform (31) and is connected with the support member (32) through threads, a second bevel gear (34) which is rotatably arranged on the base platform (31) and is meshed with the first bevel gear (33), and at least one driving member (35) which is detachably connected with the second bevel gear (34) and is used for driving the second bevel gear (34) to rotate.

2. The inspection well cover with adjustable height as claimed in claim 1, wherein: the base station (31) is provided with a containing groove (311), the first bevel gear (33) is rotatably embedded in the containing groove (311), and the supporting piece (32) penetrates through the containing groove (311) from top to bottom and is in threaded connection with the first bevel gear (33).

3. The inspection well cover with adjustable height as claimed in claim 2, wherein: at least one annular first sliding groove (331) concentric with the first bevel gear (33) is formed in the upper side face or/and the lower side face of the first bevel gear (33), a second sliding groove (332) corresponding to the at least one first sliding groove (331) is formed in the inner wall of the upper side of the accommodating groove (311), and a plurality of balls (333) are arranged between each first sliding groove (331) and the corresponding second sliding groove (332).

4. The inspection well cover with adjustable height as claimed in claim 1, wherein: the support piece (32) comprises a screw rod (321) which penetrates through the base station (31) and is in sliding connection with the base station (31), and a supporting foot (322) arranged at the upper end of the screw rod (321), the screw rod (321) is in threaded connection with the first bevel gear (33), a rubber mat (323) is arranged on the top surface of the supporting foot (322), and the supporting foot (322) is abutted to the well lid (2) through the rubber mat (323).

5. The inspection well cover with adjustable height as claimed in claim 4, wherein: the lower extreme side of screw rod (321) is provided with slider (324), base station (31) inside is followed the axial lead direction of screw rod (321) is provided with spout (312), screw rod (321) pass through slider (324) with spout (312) sliding connection in the vertical direction.

6. The inspection well cover with adjustable height as claimed in claim 1, wherein: an insertion hole (313) used for being connected with the second bevel gear (34) is formed in the side face of the base platform (31), a cylindrical protruding portion is arranged on the end face, close to the base platform (31), of the second bevel gear (34), and the second bevel gear (34) is rotatably connected with the insertion hole (313) through the protruding portion.

7. The inspection well cover with adjustable height as claimed in claim 6, wherein: the second bevel gear (34) is fixedly connected with a fixed shaft (341), the fixed shaft (341) is inserted into the insertion hole (313), a limit groove (342) is formed in the end portion, located in the insertion hole (313), of the fixed shaft (341) along the circumferential direction, a pin (343) penetrating into the insertion hole (313) is inserted into the base platform (31), and the pin (343) is perpendicular to the axial direction of the fixed shaft (341) and is connected with the limit groove (342) in a relatively sliding mode.

8. The inspection well cover with adjustable height as claimed in claim 7, wherein: the pin (343) is inserted from one side of the insertion hole (313) and inserted into a wall of the other side of the insertion hole (313), and at least one end portion of the pin (343) is located outside the base (31).

9. The inspection well cover with adjustable height as claimed in claim 7, wherein: the driving piece (35) is an L-shaped operating piece, and the top end of the fixed shaft (341) is provided with a matching hole (344) matched with the driving piece (35).

10. The inspection well cover with adjustable height as claimed in claim 1, wherein: at least three jacking mechanisms (3) are uniformly distributed around the central axis of the cover support (1).