CN211421183U

CN211421183U - Municipal works well lid opening device

Info

Publication number: CN211421183U
Application number: CN201921670726.0U
Authority: CN
Inventors: 李永锋
Original assignee: Yunhe Hengyi Mold Factory
Current assignee: Ruan Jianjun
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-09-04
Anticipated expiration: 2029-10-08

Abstract

The utility model relates to a municipal works field, concretely relates to municipal works well lid opening device, including the installation shell, supporting component, lifting unit and two components of lifting by crane, the supporting component sets up in the top of installation shell, lifting unit sets up in the inboard of installation shell, two components of lifting by crane symmetry set up in the bottom both sides of installation shell, lifting unit includes an actuating mechanism and two drive mechanism, actuating mechanism sets up in the top central point department of putting of installation shell, two drive mechanism are the horizontality symmetry and set up in the installation shell to two drive mechanism's structure is the same, the utility model provides a when using the crow bar to pry the well lid through the manpower, the problem of consuming time and wasting force has realized that the well lid can be pried by light, has saved time and has reduced the manpower.

Description

Municipal works well lid opening device

Technical Field

The utility model relates to a municipal works field, concretely relates to municipal works well lid opening device.

Background

Municipal works mainly refer to the construction of urban infrastructure, it is the public welfare project invested by the government, these projects concern people's production and life, it is a necessary material basis for urban survival and development, the urban drainage system is the engineering facility system of processing and discharging urban sewage and rainwater, it is the important component of urban public facilities, the urban drainage system plans the component that is the urban overall planning, the urban drainage system usually is made up of drainage pipe and sewage treatment plant, under the situation of carrying out sewage, rainwater and shunting system, the sewage is collected by the drainage pipe, after delivering to sewage treatment, discharge into the water body or recycle, the rainwater is collected via the drainage pipe, discharge into the water body nearby.

The cooperation drainage pipe, can install town road well lid on the road, general well lid is metal well lid or high strength fiber cement and mixes earth well lid more, in the road administration aspect in urban area, generally adopt circular well lid, parallel arrangement has two rectangle through-holes that are used for removing the well lid and release marsh gas on the well lid, when the well lid is opened to needs and is maintained or change, all be the workman at present and use the sled to pry the well lid in inserting two rectangle through-holes, then drag the well lid and leave the well mouth, such work intensity of labour is bigger, work efficiency is lower, when installing the well lid, also need the staff to move the well lid to the well mouth and install, consuming time power, consequently, need design one kind and can pry up the device of well lid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a municipal works well lid opening device.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a municipal works well lid opening device, including installation shell, supporting component, lifting unit and two components of lifting by crane, the supporting component sets up in the top of installation shell, lifting unit sets up in the inboard of installation shell, two components of lifting by crane symmetry set up in the bottom both sides of installation shell, lifting unit includes a actuating mechanism and two drive mechanism, actuating mechanism sets up in the top central point department of putting of installation shell, two drive mechanism are the horizontality symmetry and set up in the installation shell to two drive mechanism's structure is the same.

As a municipal works well lid opening device's an optimal scheme, actuating mechanism includes the carousel, first transmission shaft and first bevel gear, the carousel sets up in the top of installation shell, first transmission shaft is the fixed central point department that sets up in the carousel of the one end that sets up of vertical state and first transmission shaft, the other end of first transmission shaft passes the installation shell and stretches out downwards, first bevel gear is the fixed end that stretches out that sets up in first transmission shaft of vertical state, and the teeth of a cogwheel face of first bevel gear is towards the below of installation shell, the one end that the teeth of a cogwheel face was kept away from to first bevel gear is equipped with first support seat, first support seat cover is located on the first transmission shaft and passes through the bolt fastening between the inboard upper end of first support seat and installation shell.

As a preferred scheme of the municipal engineering well lid opening device, each transmission mechanism comprises a second bevel gear, a second transmission shaft and a third bevel gear, the second bevel gear and the third bevel gear are sleeved on the second transmission shaft, the second bevel gear and the third bevel gear have the same size and are larger than the first bevel gear, the gear tooth surfaces of the second bevel gear and the third bevel gear are far away from each other, the length direction of the second transmission shaft is perpendicular to the length direction of the first transmission shaft, the second bevel gear is fixedly arranged at one end of the second transmission shaft close to the first bevel gear, the gear tooth surfaces of the second bevel gear and the first bevel gear are meshed with each other, the third bevel gear is fixedly arranged at the free end of the second transmission shaft, a connecting shaft is arranged at the free end of the second transmission shaft, and the free end of the connecting shaft is movably arranged at the upper half part of the inner side wall of the mounting shell, the inner side of the mounting shell is provided with a mounting plate, a second supporting seat used for supporting a second transmission shaft is arranged between the second bevel gear and the third bevel gear, two ends of the second supporting seat are sleeved on the second transmission shaft, two ends of the second supporting seat respectively abut against the second bevel gear and the third bevel gear, and the second supporting seat is fixed with the mounting plate through bolts.

As a preferred scheme of the municipal engineering well lid opening device, each transmission mechanism further comprises a fourth bevel gear and a third transmission shaft, the fourth bevel gear is horizontally arranged above the mounting plate, the gear tooth surfaces of the fourth bevel gear and the third bevel gear are mutually meshed, the third transmission shaft is arranged on the inner side of the mounting shell in a vertical state, one end of the third transmission shaft is fixedly arranged on the fourth bevel gear, the free end of the third transmission shaft penetrates through the mounting plate and is movably arranged at the bottom of the inner side of the mounting shell, one end of the fourth bevel gear, facing the mounting plate, is provided with a third supporting seat for supporting the fourth bevel gear, the third supporting seat is sleeved on the third transmission shaft, the third supporting seat and the mounting plate are fixed through bolts, external threads are arranged on the third transmission shaft between the mounting plate and the bottom of the inner side of the mounting shell, and a connecting plate for driving two hoisting assemblies is sleeved on the, the connecting plate is connected with the two third transmission shafts through threads, the two third transmission shafts are respectively provided with an anti-falling nut, and each anti-falling nut is fixed at the bottom of the connecting plate.

As an optimal scheme of municipal works well lid opening device, two hoisting assemblies's structure is the same, every hoisting assembly comprises cylinder pipe and joint, the cylinder pipe is vertical state fixed setting on the connecting plate, one of cylinder pipe is served and is equipped with the screw thread post, pass through threaded connection between screw thread post and the connecting plate, and still fix through fastening nut between screw thread post and the connecting plate, the free end of cylinder pipe passes the installation shell and outwards stretches out, the joint is vertical state and sets up on the free end of cylinder pipe, and the output of joint is towards the outside.

As an optimal scheme of municipal works well lid opening device, the one end of cylinder pipe installation joint is equipped with the through-hole, and the joint is equipped with the round bar towards the one end of cylinder pipe, and the round bar sets up in the through-hole to be provided with the handle that is used for rotating the joint on the free end of round bar, be equipped with on the lateral wall of cylinder pipe and be used for handle pivoted arc opening, the one end of handle is passed the arc opening and is fixed in on the round bar.

As an optimal scheme of municipal works well lid opening device, the supporting component includes bar shaped plate and two support columns, and two support column symmetries set up in the both sides of bar shaped plate to through the thread tightening between two support columns and the bar shaped plate, the cover is equipped with one and supplies bar shaped plate pivoted revolving stage on the first transmission shaft, and the revolving stage is fixed to be set up in the top of installation shell.

As an optimal scheme of municipal works well lid opening device, the central point of bar shaped plate puts can the pivoted cover and locates on the revolving stage, all is equipped with a strengthening rib that can play the fixed action between bar shaped plate and two support columns to all be provided with a supporting legs on the free end of every support column.

The utility model has the advantages that: in the process of prying the well lid by an operator, firstly, the operator rotates a strip plate on a turntable to adjust the support position, two support columns are supported at proper positions through the strip plate, then, the operator rotates the turntable, because a first bevel gear is connected with the turntable through a first transmission shaft, the first bevel gear rotates along with the rotation of the turntable, because the turntable rotates to drive the first bevel gear to rotate, two second bevel gears rotate along with the rotation of the first bevel gear, two third bevel gears rotate along with the rotation of the corresponding second bevel gears respectively, the rotation of the two third bevel gears drives the corresponding fourth bevel gears to rotate, the rotation of the two fourth bevel gears drives a connecting plate to move up and down on external threads of a third transmission shaft, and two cylindrical pipes move up and down along with the movement of the connecting plate respectively, two joint heads also follow the cylinder pipe respectively and reciprocate, thereby two joint heads get into the well lid hole towards the removal of well lid through the cylinder pipe respectively, two joint heads get into well lid hole respectively after, operating personnel then turn to the handle, thereby the joint head passes through the round bar and adjusts the position of joint head in the well lid is downthehole along with the rotation of handle, final operating personnel with the joint head card at the well lid downthehole, behind the well lid is lived to the joint head, operating personnel rotates the carousel and upwards mentions the joint head, then the well lid also is mentioned along with the joint head, the utility model provides a when using the crow bar to pry the well lid through the manpower, the problem of consuming time and power has realized that the well lid can be pried by light, saved the time and has reduced the manpower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the three-dimensional structure of the present invention.

Fig. 3 is an exploded perspective view of the support assembly.

Fig. 4 is a perspective view of the lifting assembly.

Fig. 5 is a schematic perspective view of the lifting assembly.

FIG. 6 is an exploded perspective view of the hoist assembly.

In the figure: the lifting mechanism comprises a mounting shell 1, a supporting component 2, a lifting component 3, a lifting component 4, a turntable 5, a first transmission shaft 6, a first bevel gear 7, a first supporting seat 8, a second bevel gear 9, a second transmission shaft 10, a third bevel gear 11, a second supporting seat 12, a fourth bevel gear 13, a third transmission shaft 14, a third supporting seat 15, external threads 16, a connecting plate 17, an anti-falling nut 18, a cylindrical pipe 19, a clamping joint 20, a round rod 21, a handle 22, an arc-shaped opening 23, a strip-shaped plate 24, a supporting column 25, a turntable 26, reinforcing ribs 27, supporting legs 28 and a fastening nut 29.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, shown municipal works well lid opening device, including installation shell 1, supporting component 2, lifting unit 3 and two lifting units 4, supporting component 2 sets up in the top of installation shell 1, lifting unit 3 sets up in the inboard of installation shell 1, two lifting units 4 symmetry set up in the bottom both sides of installation shell 1, lifting unit 3 includes a actuating mechanism and two drive mechanism, actuating mechanism sets up in the top central point department of installation shell 1, two drive mechanism are the horizontality symmetry and set up in installation shell 1, and two drive mechanism's structure is the same. When operating personnel prized the well lid, at first operating personnel supported subaerial in the well lid both sides through supporting component 2, then operating personnel drove two drive mechanism through actuating mechanism, because two drive mechanism's start-up, consequently two drive mechanism drive two hoisting components 4 and move towards the well lid hole, and operating personnel made two hoisting components 4 through actuating mechanism at last and upwards moved, and hoisting components 4 pulls up the well lid through the well lid hole.

Actuating mechanism includes carousel 5, first transmission shaft 6 and first bevel gear 7, carousel 5 sets up in the top of installation shell 1, first transmission shaft 6 is the fixed central point department that sets up in carousel 5 of vertical state setting and the one end of first transmission shaft 6, the other end of first transmission shaft 6 passes installation shell 1 and stretches out downwards, first bevel gear 7 is vertical state fixed to be set up on the end that stretches out of first transmission shaft 6, and the teeth of a cogwheel face of first bevel gear 7 is towards the below of installation shell 1, the one end that the teeth of a cogwheel face was kept away from to first bevel gear 7 is equipped with first support seat 8, first support seat 8 cover is located on first transmission shaft 6 and passes through the bolt fastening between the inboard upper end of first support seat 8 and installation shell 1. When an operator pries the well lid, the operator rotates the rotating disc 5, and the first bevel gear 7 is connected with the rotating disc 5 through the first transmission shaft 6, so that the first bevel gear 7 rotates along with the rotation of the rotating disc 5.

Each transmission mechanism comprises a second bevel gear 9, a second transmission shaft 10 and a third bevel gear 11, the second bevel gear 9 and the third bevel gear 11 are sleeved on the second transmission shaft 10, the second bevel gear 9 and the third bevel gear 11 have the same size, the size of the second bevel gear 9 and the size of the third bevel gear 11 are larger than that of the first bevel gear 7, the gear tooth surfaces of the second bevel gear 9 and the third bevel gear 11 are far away from each other, the length direction of the second transmission shaft 10 is perpendicular to the length direction of the first transmission shaft 6, the second bevel gear 9 is fixedly arranged at one end of the second transmission shaft 10 close to the first bevel gear 7, the gear tooth surfaces of the second bevel gear 9 and the first bevel gear 7 are meshed with each other, the third bevel gear 11 is fixedly arranged at the free end of the second transmission shaft 10, a connecting shaft is arranged at the free end of the second transmission shaft 10, and the free end of the connecting shaft is movably arranged at the upper half part of the inner side, the inner side of the mounting shell 1 is provided with a mounting plate, a second supporting seat 12 for supporting a second transmission shaft 10 is arranged between the second bevel gear 9 and the third bevel gear 11, two ends of the second supporting seat 12 are sleeved on the second transmission shaft 10, two ends of the second supporting seat 12 respectively abut against the second bevel gear 9 and the third bevel gear 11, and the second supporting seat 12 and the mounting plate are fixed through bolts. Since the rotation of the turntable 5 drives the rotation of the first bevel gear 7, the two second bevel gears 9 rotate with the rotation of the first bevel gear 7, and the two third bevel gears 11 rotate with the rotation of the corresponding second bevel gears 9, respectively.

Each transmission mechanism further comprises a fourth bevel gear 13 and a third transmission shaft 14, the fourth bevel gear 13 is horizontally arranged above the mounting plate, the gear tooth surfaces of the fourth bevel gear 13 and the third bevel gear 11 are mutually engaged, the third transmission shaft 14 is arranged at the inner side of the mounting shell 1 in a vertical state, one end of the third transmission shaft 14 is fixedly arranged on the fourth bevel gear 13, the free end of the third transmission shaft 14 penetrates through the mounting plate and is movably arranged at the bottom of the inner side of the mounting shell 1, one end of the fourth bevel gear 13 facing the mounting plate is provided with a third supporting seat 15 for supporting the fourth bevel gear 13, the third supporting seat 15 is sleeved on the third transmission shaft 14, the third supporting seat 15 and the mounting plate are fixed through bolts, an external thread 16 is arranged on the third transmission shaft 14 between the mounting plate and the bottom of the inner side of the mounting shell 1, and a connecting plate 17 for driving the two hoisting assemblies 4 is sleeved on the external, the connecting plate 17 is in threaded connection with the two third transmission shafts 14, the two third transmission shafts 14 are further provided with an anti-falling nut 18 respectively, and each anti-falling nut 18 is fixed at the bottom of the connecting plate 17 respectively. The rotation of the two third bevel gears 11 drives the corresponding fourth bevel gears 13 to rotate, and the rotation of the two fourth bevel gears 13 drives the connecting plate 17 to move up and down on the external threads 16 of the third transmission shaft 14.

Two hoisting assemblies 4's structure is the same, every hoisting assembly 4 comprises cylinder pipe 19 and joint 20, cylinder pipe 19 is vertical state fixed setting on connecting plate 17, one of cylinder pipe 19 serves and is equipped with the screw thread post, pass through threaded connection between screw thread post and the connecting plate 17, and still fix through fastening nut 29 between screw thread post and the connecting plate 17, the free end of cylinder pipe 19 passes installation shell 1 and outwards stretches out, joint 20 is vertical state and sets up on the free end of cylinder pipe 19, and the output of joint 20 outwards. Thereby two cylinder pipes 19 reciprocate along with the removal of connecting plate 17 respectively, and two joint heads 20 also follow cylinder pipe 19 respectively and reciprocate, thereby two joint heads 20 get into the well lid hole through the removal of cylinder pipe 19 towards the well lid respectively.

The one end of cylinder pipe 19 installation joint 20 is equipped with the through-hole, and joint 20 is equipped with round bar 21 towards the one end of cylinder pipe 19, and round bar 21 sets up in the through-hole to be provided with the handle 22 that is used for rotating joint 20 on the free end of round bar 21, be equipped with on the lateral wall of cylinder pipe 19 and be used for handle 22 pivoted arc opening 23, the one end of handle 22 is passed arc opening 23 and is fixed in on the round bar 21. Two joint 20 get into well lid hole back respectively, operating personnel then turns to handle 22, thereby joint 20 adjusts the position of joint 20 in the well lid hole along with the rotation of handle 22 through round bar 21, and final operating personnel blocks joint 20 downthehole at the well lid, and behind the well lid was blocked to joint 20, operating personnel rotated carousel 5 and upwards mentioned joint 20, and the well lid is also mentioned along with joint 20 afterwards.

The supporting component 2 comprises a strip-shaped plate 24 and two supporting columns 25, the two supporting columns 25 are symmetrically arranged on two sides of the strip-shaped plate 24, the two supporting columns 25 and the strip-shaped plate 24 are fixed through threads, a turntable 26 for rotating the strip-shaped plate 24 is sleeved on the first transmission shaft 6, and the turntable 26 is fixedly arranged at the top of the mounting shell 1. The strip 24 is rotated on the turntable 26 to adjust the support position, and the two support columns 25 are supported in position by the strip 24.

The turntable 26 is sleeved with the strip-shaped plate 24 in a rotatable manner at the center position, a reinforcing rib 27 capable of fixing is arranged between the strip-shaped plate 24 and the two supporting columns 25, and a supporting leg 28 is arranged at the free end of each supporting column 25. The installation of strengthening rib 27 prevents strip shaped plate 24's rupture to can not play the supporting effect, two supporting legss 28 play the stable effect of support, can be more stable when making operating personnel prize the well lid.

The working principle is as follows: in the process of prying up the well lid by an operator, firstly, the operator rotates the strip plate 24 on the turntable 26 to adjust the support position, the two support columns 25 are supported on proper positions through the strip plate 24, then the operator rotates the turntable 5, because the first bevel gear 7 is connected with the turntable 5 through the first transmission shaft 6, the first bevel gear 7 rotates along with the rotation of the turntable 5, because the turntable 5 rotates to drive the first bevel gear 7 to rotate, the two second bevel gears 9 rotate along with the rotation of the first bevel gear 7, the two third bevel gears 11 respectively rotate along with the rotation of the corresponding second bevel gear 9, the rotation of the two third bevel gears 11 drives the corresponding fourth bevel gears 13 to rotate, and the rotation of the two fourth bevel gears 13 drives the connecting plate 17 to move up and down on the external threads 16 of the third transmission shaft 14, thereby two cylinder pipes 19 reciprocate along with the removal of connecting plate 17 respectively, two joint 20 also follow cylinder pipe 19 respectively and reciprocate, thereby two joint 20 get into the well lid hole towards the removal of well lid through cylinder pipe 19 respectively, two joint 20 get into behind the well lid hole respectively, operating personnel turns to handle 22 after that, thereby joint 20 adjusts the position of joint 20 in the well lid hole along with the rotation of handle 22 through round bar 21, final operating personnel is with joint 20 card downthehole at the well lid, joint 20 blocks behind the well lid, operating personnel rotates carousel 5 and upwards mentions joint 20, then the well lid is also mentioned along with joint 20.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. The utility model provides a municipal works well lid opening device, a serial communication port, including installation shell (1), supporting component (2), lifting unit (3) and two lift by crane subassembly (4), supporting component (2) set up in the top of installation shell (1), lifting unit (3) set up in the inboard of installation shell (1), two lift by crane subassembly (4) symmetry set up in the bottom both sides of installation shell (1), lifting unit (3) include a actuating mechanism and two drive mechanism, actuating mechanism sets up in the top central point department of putting of installation shell (1), two drive mechanism are the horizontality symmetry and set up in installation shell (1), and two drive mechanism's structure is the same.

2. The municipal engineering well lid opening device according to claim 1, wherein the driving mechanism comprises a turntable (5), a first transmission shaft (6) and a first bevel gear (7), the turntable (5) is disposed above the installation shell (1), the first transmission shaft (6) is disposed in a vertical state, one end of the first transmission shaft (6) is fixedly disposed at a central position of the turntable (5), the other end of the first transmission shaft (6) penetrates through the installation shell (1) to extend downwards, the first bevel gear (7) is fixedly disposed at an extending end of the first transmission shaft (6) in a vertical state, and the gear tooth surface of the first bevel gear (7) faces the lower part of the mounting shell (1), one end, away from the gear tooth surface, of the first bevel gear (7) is provided with a first supporting seat (8), the first supporting seat (8) is sleeved on the first transmission shaft (6), and the first supporting seat (8) and the upper end of the inner side of the mounting shell (1) are fixed through bolts.

3. The municipal engineering well lid opening device according to claim 2, wherein each transmission mechanism comprises a second bevel gear (9), a second transmission shaft (10) and a third bevel gear (11), the second bevel gear (9) and the third bevel gear (11) are sleeved on the second transmission shaft (10), the second bevel gear (9) and the third bevel gear (11) have the same size, the second bevel gear (9) and the third bevel gear (11) have the size larger than that of the first bevel gear (7), the gear tooth surfaces of the second bevel gear (9) and the third bevel gear (11) are far away from each other, the length direction of the second transmission shaft (10) is perpendicular to the length direction of the first transmission shaft (6), the second bevel gear (9) is fixedly arranged at one end of the second transmission shaft (10) close to the first bevel gear (7), and the gear tooth surfaces of the second bevel gear (9) and the first bevel gear (7) are meshed with each other, third bevel gear (11) are fixed to be set up on the free end of second transmission shaft (10) and be equipped with a connecting axle on the free end of second transmission shaft (10), and the free end activity of connecting axle sets up in the first half of installation shell (1) inside wall, the inboard of installation shell (1) is equipped with a mounting panel, be equipped with a second supporting seat (12) that are used for supporting second transmission shaft (10) between second bevel gear (9) and third bevel gear (11), the both ends cover of second supporting seat (12) are located on second transmission shaft (10), and contradict each other between the both ends of second supporting seat (12) respectively and second bevel gear (9) and third bevel gear (11), pass through the bolt fastening between second supporting seat (12) and the mounting panel.

4. The municipal engineering well lid opening device according to claim 3, wherein each transmission mechanism further comprises a fourth bevel gear (13) and a third transmission shaft (14), the fourth bevel gear (13) is horizontally arranged above the mounting plate, the gear tooth surfaces of the fourth bevel gear (13) and the third bevel gear (11) are engaged with each other, the third transmission shaft (14) is arranged at the inner side of the mounting shell (1) in a vertical state, one end of the third transmission shaft (14) is fixedly arranged on the fourth bevel gear (13), the free end of the third transmission shaft (14) penetrates through the mounting plate and is movably arranged at the bottom of the inner side of the mounting shell (1), a third supporting seat (15) for supporting the fourth bevel gear (13) is arranged at one end of the fourth bevel gear (13) facing the mounting plate, the third supporting seat (15) is sleeved on the third transmission shaft (14), and the third supporting seat (15) and the mounting plate are fixed through bolts, be equipped with external screw thread (16) on third transmission shaft (14) between mounting panel and installation shell (1) inboard bottom, the cover is equipped with one and is used for driving connecting plate (17) of two lifting by crane subassembly (4) on external screw thread (16) of two third transmission shafts (14), through threaded connection between connecting plate (17) and two third transmission shafts (14), still be provided with one anticreep nut (18) on two third transmission shafts (14) respectively to every anticreep nut (18) are fixed in the bottom of connecting plate (17) respectively.

5. The municipal engineering well lid opening device according to claim 4, characterized in that two hoisting assemblies (4) are identical in structure, each hoisting assembly (4) is composed of a cylindrical tube (19) and a clamping joint (20), the cylindrical tube (19) is fixedly arranged on the connecting plate (17) in a vertical state, one end of the cylindrical tube (19) is provided with a threaded column, the threaded column is connected with the connecting plate (17) through threads, the threaded column is fixed with the connecting plate (17) through a fastening nut (29), the free end of the cylindrical tube (19) penetrates through the mounting shell (1) and extends outwards, the clamping joint (20) is arranged on the free end of the cylindrical tube (19) in a vertical state, and the output end of the clamping joint (20) faces outwards.

6. The municipal engineering well lid opening device according to claim 5, wherein a through hole is formed in one end of the cylindrical pipe (19) where the clamping head (20) is installed, a round rod (21) is arranged at one end of the clamping head (20) facing the cylindrical pipe (19), the round rod (21) is arranged in the through hole, a handle (22) for rotating the clamping head (20) is arranged at the free end of the round rod (21), an arc-shaped opening (23) for rotating the handle (22) is formed in the side wall of the cylindrical pipe (19), and one end of the handle (22) penetrates through the arc-shaped opening (23) and is fixed on the round rod (21).

7. The municipal engineering well lid opening device according to claim 5, wherein the support assembly (2) comprises a strip-shaped plate (24) and two support columns (25), the two support columns (25) are symmetrically arranged on two sides of the strip-shaped plate (24), the two support columns (25) are fixed to the strip-shaped plate (24) through threads, the first transmission shaft (6) is sleeved with a turntable (26) for the strip-shaped plate (24) to rotate, and the turntable (26) is fixedly arranged on the top of the mounting shell (1).

8. The municipal engineering well lid opening device according to claim 7, wherein the strip (24) is rotatably sleeved on the turntable (26), a reinforcing rib (27) for fixing is arranged between the strip (24) and the two support columns (25), and a support leg (28) is arranged at the free end of each support column (25).