CN114382111A

CN114382111A - Well cover opening device

Info

Publication number: CN114382111A
Application number: CN202111589114.0A
Authority: CN
Inventors: 惠鸣; 王剑锋; 王浩; 张志武; 赵美花; 李若铭; 张琳琳; 陈雅; 李智康; 闫香玲; 刘松波
Original assignee: Zhengzhou Communications Planning Survey & Design Institute
Current assignee: Zhengzhou Communications Planning Survey & Design Institute
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-04-22

Abstract

The utility model relates to an air conditioning equipment technical field particularly, relates to a device of uncapping for well, including the base and all install in the subassembly and the supporting component lift by crane of base, lift by crane the subassembly be used for with well lid detachable be connected with the ascending lifting of well lid, supporting component be used for with by the lifting the well lid cooperation is in order to inject the position of well lid on vertical side. The utility model provides an aim at is to in the municipal administration underground piping operation, because the well lid is opened and is measured the difficulty, and the great risk that drops that exists of well lid weight that is hoisted, brings certain risk for subsequent measurement and maintenance work, provides a well measuring device that uncaps.

Description

Well cover opening device

Technical Field

The application relates to the technical field of municipal administration operation equipment, particularly, relate to a device of uncapping for well.

Background

Northern cities have dry weather and serious sand and dust, and urban roads have more floating dust, and the road watering cleaning operation every day is very easy to discharge water carrying sand and dust to a rainwater pipeline through a rainwater port, so that the rainwater pipeline is silted up and blocked due to long-term accumulation. In order to avoid blocked pipeline drainage unsmooth when a rainy season comes, road municipal maintenance personnel need to regularly clean the blocked condition of the pipeline, and must often overhaul and clean the current rainwater inspection well.

Based on the drainage system of distribution of rain and sewage, some city test points have started the general investigation transformation work of rain, sewer pipe misconnection condition, because the limitation of pipeline geophysical prospecting equipment, all need to uncap to rainwater, sewer pipe and measure well depth and pipe diameter to form system data, provide the basis for follow-up pipe design.

The inspection and measurement of current situation drainage inspection shaft adopts the mode that the reinforcing bar crotch was carried and is drawn and draw to open the well lid usually, then carries out the desilting or the measurement work of pipeline, for guaranteeing the safety of driving a vehicle pedestrian, drainage inspection well lid adopts heavy nodular cast iron well lid usually, because the well lid weight of being hoisted is great, has the certain risk that drops, brings certain risk for subsequent measurement and maintenance work.

Disclosure of Invention

The utility model provides an aim at in to municipal administration underground piping operation, because the great risk that drops that exists of well lid weight that is hoisted, bring certain risk for subsequent measurement and maintenance work, provide a well device of uncapping.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the application provides a device of uncapping for well, include the base and all install in the lifting by crane subassembly and the supporting component of base, lifting by crane the subassembly be used for with well lid detachable be connected with the ascending lifting of well lid, the supporting component be used for with by the lifting the well lid cooperation is in order to inject the position of well lid in vertical direction.

Optionally, the one end of supporting component is for being used for with well lid complex mating end, the mating end is used for with well lid complex bayonet socket.

The technical scheme has the beneficial effects that: because the well lid is flat component, when the well lid by the back of hoisting, make the one end of well lid stretch into this bayonet socket and bayonet socket block, and then realize the injecing to well lid position on vertical direction.

Optionally, the support assembly includes an inner support rod and an outer sleeve sleeved on the inner support rod, and the outer sleeve and the inner support rod are in sliding fit in the length direction of the inner support rod, so that the support assembly can extend and retract in the length direction of the inner support rod.

The technical scheme has the beneficial effects that: through making the supporting component can stretch out and draw back on the length direction of interior vaulting pole, make the length of supporting component change according to the position of the well lid that is promoted, better cooperation with the well lid when the well lid moves suitable position, improved flexibility and the fail safe nature of well uncapping device.

Optionally, the support assembly further includes a limiting rod, at least two first limiting holes are formed in the outer sleeve, each of the first limiting holes is distributed along the length direction of the inner supporting rod, a second limiting hole is formed in the inner supporting rod, and the limiting rod is configured to cooperate with one of the first limiting holes and the second limiting hole to define a relative position between the inner supporting rod and the outer sleeve.

The technical scheme has the beneficial effects that: therefore, when the relative position between the inner support rod and the outer sleeve needs to be adjusted, the limiting rod is taken out of the first limiting hole and the second limiting hole for adjustment, and after the adjustment is finished, the limiting rod is inserted into the second limiting hole and the first limiting hole corresponding to the second limiting hole, so that the relative movement of the inner support rod and the outer sleeve is avoided, and the reliability of the support assembly for supporting the well lid is improved.

Optionally, the hoisting assembly comprises a hoisting rope detachably connected with the well lid, and the hoisting rope is a measuring rope.

The technical scheme has the beneficial effects that: like this, because the lifting rope is the measuring rope, after the well lid was hoisted by the lifting component and accomplished the support through supporting component, can separate lifting rope and well lid, then stretch into the well with the lifting rope and measure the well.

Optionally, the lifting component comprises a lifting rod and a fixed pulley, the lifting rod is provided with a pivoting part, the pivoting part is pivoted to the base, the fixed pulley is installed at one end of the lifting rod in the length direction of the lifting rod, the other end of the lifting rod is an operating end, the fixed pulley, the pivoting part and the operating end are sequentially arranged, one end of the lifting rope is connected to the base, the lifting end connected with the well lid in a detachable mode is arranged at the other end of the lifting rope, and the lifting rope is in sliding fit with the fixed pulley.

The technical scheme has the beneficial effects that: like this, the back is connected with the well lid to the lifting rope, and the length that fixed lifting rope stretches out makes the lifting rope no longer outwards stretch out to through the fixed pulley position of lifting rope and jib, jib and base form the lever structure who uses pin joint portion as the fulcrum, and staff operation end just can be hoisted the well lid, can make the well lid open more laborsavingly.

Optionally, the lifting assembly further comprises a fastener, and the base and the pivoting portion are both connected or detachably connected with the fastener in an elastic manner so as to limit the relative position of the base and the suspension rod.

The technical scheme has the beneficial effects that: the fastening piece can be a fastening bolt and the like, the pivoting part and the base can be pivoted through the fastening bolt, a pivoting shaft can be additionally arranged outside the fastening bolt, when the relative position of the suspender and the base is adjusted, the fastening bolt is detached, and the fastening bolt is installed after the position adjustment is completed.

Optionally, the hoisting assembly further comprises a sheave mounted on the base, and the lifting rope is wound around the sheave.

The technical scheme has the beneficial effects that: like this, can adjust the length that the lifting rope stretches out through the rotation of reel, the lifting by crane of well lid can be realized through fixed and the operation reel shrink lifting rope with jib and base.

Optionally, the hoisting assembly further comprises a driving motor, and the driving motor is in transmission connection with the reel.

The technical scheme has the beneficial effects that: like this, can replace the manpower to lift by crane and put down the well lid through driving motor's mechanical power to and send out or withdraw the measuring rope, reduce manpower consumption and improve work efficiency.

Optionally, the base includes first supporting part and second supporting part of arranging in the horizontal direction first supporting part with leave the clearance between the second supporting part, pin joint portion is located in the clearance, just pin joint portion with first supporting part with the equal pin joint of second supporting part.

The technical scheme has the beneficial effects that: like this, the both sides of jib support through first supporting part and second supporting part respectively, provide good support to jib and the well lid of hoisting, improved the security reliability of well device of uncapping.

The technical scheme provided by the application can achieve the following beneficial effects:

the utility model provides a well device of uncapping when using, through hoist and mount subassembly with well lid lifting take the altitude, then supports the well lid through supporting component to inject the well lid in the ascending position of vertical side, make the well lid of being hoisted be difficult for dropping, reduced the risk of work such as follow-up well lid maintenance and measurement, improved the security.

Additional features of the present application and advantages thereof will be set forth in the description which follows, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It should be apparent that the drawings in the following description are embodiments of the present application and that other drawings may be derived from those drawings by a person of ordinary skill in the art without inventive step.

Fig. 1 is a schematic perspective view of an embodiment of a well cover opening device provided in an embodiment of the present application;

FIG. 2 is a schematic perspective view of an embodiment of a reel provided in an embodiment of the present application;

FIG. 3 is a schematic perspective view of one embodiment of a support assembly according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of an implementation manner of a limiting rod provided in an embodiment of the present application.

Reference numerals:

1-a hook; 2-lifting a rope;

3-fixed pulley; 4-a boom;

5-positioning holes; 6-a first support part;

7-a second support; 8-a reel;

9-driving a motor; 10-a support assembly;

11-bayonet; 12-a fastener;

13-a handle; 14-well;

15-inner brace rod; 16-an outer sleeve;

17-a first limit hole; 18-a stop lever;

19-a base; 20-operation end.

Detailed Description

The technical solutions of the present application will be described 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 application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 to 4, the application provides a well cover opening device, which comprises a base 19, and a hoisting assembly and a supporting assembly 10 both mounted on the base 19, wherein the hoisting assembly is used for being detachably connected with a well cover to lift the well cover upwards, and the supporting assembly 10 is used for cooperating with the lifted well cover to limit the position of the well cover in the vertical direction.

In the embodiment of the application, the well lid is lifted upwards to lift the whole well lid, the corresponding support component 10 is matched with the well lid to limit the whole well lid separated from a well mouth at a certain height, for example, the support component 10 can be a telescopic platform, and after the well lid is lifted, the support component 10 extends to the lower part of the well lid to support the well lid; the upward lifting of the well lid may also be such that only one end of the well lid is lifted upwards to separate from the well head, the other end still being supported at the edge of the well head, and the support assembly 10 being supported at the bottom of the end where the well lid separates from the well head.

The well cover opening device provided by the embodiment of the application has the advantages that when the well cover opening device is used, the well cover is lifted to a certain height through the hoisting assembly, then the well cover is supported through the supporting assembly 10, the position of the well cover in the vertical direction is limited, the lifted well cover is not prone to dropping, risks of follow-up well cover overhauling, measurement and other work are reduced, and safety is improved.

Optionally, one end of the support assembly 10 is a mating end for mating with a well lid, and the mating end is used for a bayonet 11 for mating with a well lid. Because the well lid is flat component, when the well lid by the back of hoisting, make the one end of well lid stretch into this bayonet socket 11 and bayonet socket 11 block, and then realize the injecing to well lid position in vertical direction. It can be understood that when the well lid is completely separated from the well head, in order to support the well lid, the direction of the bayonet 11 is upward or obliquely upward, so that the well lid cannot fall off after being clamped into the bayonet 11; when the well lid only one end and well head separation and the other end supports when the well head edge, then the orientation of bayonet 11 can be for downwards or obliquely downwards, bayonet 11 and the well lid when the one end with the well head separation cooperate, bayonet 11 just can be injectd for well lid position in vertical direction with the fulcrum of well lid bottom, and is preferred, makes the orientation of bayonet 11 for the direction that deviates from base 19. Of course, the support member 10 may be brought into close contact with the base 19 when the well lid opening device is not in use, and the orientation of the bayonet 11 may be arbitrary.

Optionally, the support assembly 10 includes an inner supporting rod 15 and an outer sleeve 16 sleeved on the inner supporting rod 15, and the outer sleeve 16 is slidably engaged with the inner supporting rod 15 in the length direction of the inner supporting rod 15, so that the support assembly 10 can be extended and retracted in the length direction of the inner supporting rod 15. That is, the support assembly 10 may have one end of the inner strut 15 located outside the outer sleeve 16, and one end of the inner strut 15 outside the outer sleeve 16 may move toward the outer sleeve 16 and away from the outer sleeve 16, and when the inner strut 15 is connected to the base 19, the outer sleeve 16 moves relative to the base 19, and when the outer sleeve 16 is connected to the base 19, the inner strut 15 moves relative to the base 19. In the embodiment of the present application, when the outer sleeve 16 is connected to the base 19, the bayonet 11 may be formed on the inner support rod 15, when the inner support rod 15 is connected to the base 19, the bayonet 11 may be formed on the outer sleeve 16, or the support assembly 10 may include a support platform for supporting the manhole cover, and the inner support rod 15 or the outer sleeve 16 is connected to the support platform; preferably, the supporting component 10 is pivoted to the base 19 or connected to the base 19 through a fixing bolt, so that the supporting component 10 can be pivoted relative to the base 19 to adjust the position to adapt to the position of the manhole cover, and when the fixing bolt is arranged, the supporting component 10 is fixed through the fixing bolt after the position is adjusted, and the supporting reliability is improved. Through making the supporting component 10 can be in the length direction of inner support rod 15 is flexible, makes the length of supporting component 10 change according to the position of the well lid that is promoted, better cooperates with the well lid when the well lid moves suitable position, has improved flexibility and the fail safe nature of well uncapping device.

Optionally, the support assembly 10 further includes a limiting rod 18, at least two first limiting holes 17 are formed in the outer sleeve 16, each first limiting hole 17 is distributed in the length direction of the inner supporting rod 15, a second limiting hole is formed in the inner supporting rod 15, and the limiting rod 18 is configured to cooperate with one of the first limiting holes 17 and the second limiting hole to define the relative position between the inner supporting rod 15 and the outer sleeve 16. Therefore, when the relative position between the inner support rod 15 and the outer sleeve 16 needs to be adjusted, the limiting rod 18 is taken out of the first limiting hole 17 and the second limiting hole for adjustment, and after the adjustment is finished, the limiting rod 18 is inserted into the second limiting hole and the first limiting hole 17 corresponding to the second limiting hole, so that the relative movement of the inner support rod 15 and the outer sleeve 16 is avoided, and the reliability of the support component 10 for the well lid is improved. In the embodiment of the present application, the cross sections of the inner stay 15 and the outer sleeve 16 may be both circular, so that the inner stay 15 and the outer sleeve 16 can rotate relatively, and the orientation of the bayonet 11 can be adjusted when the bayonet 11 is provided; the cross sections of the inner stay bar 15 and the outer sleeve 16 can be both polygonal, so that the support assembly 10 is not easy to rotate relatively between the inner stay bar 15 and the outer sleeve 16 when supporting the well lid, and the support reliability is improved; the stop lever 18 may be L-shaped for easy handling and operation by the operator. Of course, there may be only one first position-limiting hole 17 and at least two second position-limiting holes, or there may be at least two first position-limiting holes 17 and at least two second position-limiting holes.

Optionally, the hoisting assembly comprises a hoisting rope 2 detachably connected with the manhole cover, and the hoisting rope 2 is a measuring rope. Like this, because lifting rope 2 is the measuring rope, after the well lid was hoisted by the lifting component and accomplished the support through supporting component 10, can separate lifting rope 2 and well lid, then stretch into well with lifting rope 2 and measure the well. The lifting rope can adapt to various working conditions in the inspection well under the gravity suspension effect of the lifting hook, when the well is deep or water exists in the well, the lifting rope can be lifted, the weight of the lifting hook is sensed, and whether the lifting rope extends to the bottom of the well or not is determined, so that the measuring accuracy is improved, and reliable data are provided for subsequent pipeline connection design. In the embodiment of the application, the measuring rope can be in various forms, the measuring rope can be provided with a plurality of scale marks, the distances between adjacent scale marks are the same, the length scale values corresponding to the scale marks are marked, and the extending length of the measuring rope is obtained according to the scale values read from the measuring rope; the length of the measuring rope can be measured after the part of the measuring rope extending into the well is taken out; the method can also be used for preparing a measuring rope with different colors at intervals of fixed length, and the well depth can be directly read through the rope. Of course, the well lid may be hoisted by directly connecting the hook-shaped rigid member to the hanger rod 4 without providing the lifting rope 2.

The lifting and pulling type well lid opening mode is extremely difficult for designers, particularly female municipal pipeline designers to work unfriendly, and optionally, the lifting assembly comprises a lifting rod 4 and a fixed pulley 3, the lifting rod 4 is provided with a pivot part, the pivot part is pivoted to the base 19, the fixed pulley 3 is installed at one end of the lifting rod 4 in the length direction of the lifting rod 4, the other end of the lifting rod 4 is an operation end 20, the fixed pulley 3, the pivot part and the operation end 20 are sequentially arranged, one end of the lifting rope 2 is connected to the base 19, the other end of the lifting rope 2 is a lifting end detachably connected with the well lid, and the lifting rope 2 is in sliding fit with the fixed pulley 3. In the embodiment of the application, the lifting rope 2 can be directly connected to the base 19 or indirectly connected to the base 19, when the lifting rope 2 is directly connected to the base 19, the lifting rope 2 can be wound on the base 19, and when the lifting rope 2 extends out, the lifting rope 2 can be separated from the base 19 by one circle; the lifting hook 1 can be installed on the lifting end, the lifting hook 1 can lift the well lid, the lifting hook 1 and the well lid can be lifted and separated more conveniently, the form of the lifting hook 1 can be designed according to different well lid opening holes, one or more lifting hooks in different forms can be matched at the same time, and different requirements of various well lids can be met; the number of the fixed pulleys 3 can be at least two, so that each fixed pulley 3 is arranged on the suspender 4; the pin joint portion also can have a plurality ofly, and each pin joint portion distributes in the length direction of jib, and the pin joint portion can be the through-hole. Like this, the back is connected with the well lid to lifting rope 2, and the length that fixed lifting rope 2 stretches out makes lifting rope 2 no longer outwards stretch out to through the fixed pulley 3 position of fixing lifting rope 2 and jib 4, jib 4 and base 19 form the lever structure who uses pin joint portion as the fulcrum, and staff operation end 20 just can be hoisted the well lid, can make the well lid open more laborsavingly.

Optionally, the lifting assembly further comprises a fastener 12, and the base 19 and the pivot are both releasably or releasably connected to the fastener 12 to define the relative position of the base 19 and the boom 4. The fastening member 12 may be a fastening bolt, etc., and the pivoting portion may be pivoted to the base 19 by the fastening bolt, or a pivoting shaft may be additionally provided to the fastening bolt, so that when the relative position of the suspension rod 4 and the base 19 is adjusted, the fastening bolt is detached, and the fastening bolt is installed after the position adjustment is completed. Thus, when the relative position between the suspension rod 4 and the base 19 needs to be adjusted, the fastener 12 connects the suspension rod 4 and the base 19 relatively loosely, or the fastener 12 is directly detached, and after the position adjustment between the suspension rod 4 and the base 19 is completed, the suspension rod 4 is firmly connected with the base 19 through the fastener 12; specifically, when the operating end 20 of the hanger rod 4 is operated by a worker to lift the well lid, the position of the hanger rod 4 and the base 19 can be adjusted, and after the well lid lifting operation is completed, the hanger rod 4 and the base 19 are fastened through the fastening piece 12 to fix the relative position of the hanger rod 4 and the base 19.

Optionally, the hoisting assembly further comprises a sheave 8 mounted on the base 19, and the lifting rope 2 is wound around the sheave 8. When the manhole cover is used, the length of the hanging rope 2 extending out can be adjusted through rotation of the reel 8, and the hoisting of the manhole cover can be realized by fixing the hanger rod 4 and the base 19 and operating the reel 8 to retract the hanging rope 2. Of course, it is also possible to form the hole 14 on the upper side wall of the reel 8, and make a rod member matched with the base 19 extend into the hole 14 to define the relative position of the reel 8 and the base 19, and then lift the well lid by operating the operating end 20 of the suspension rod 4, and it is also possible to form the positioning hole 5 on the base, and make the positioning rod extend into the hole 14 through the positioning hole 5 to define the relative position between the base 19 and the reel 8, and the rod member may be the above-mentioned L-shaped limiting rod 18. A handle 13 for manually turning the reel 8 is preferably mounted on the reel 8. After the well lid is lifted and supported, when the lifting rope is used for measuring, the positioning rod on the reel is removed, the reel handle 13 is manually rotated, and the lifting rope is retracted to measure the well depth.

Optionally, the hoisting assembly further comprises a driving motor 9, and the driving motor 9 is in transmission connection with the reel 8. Like this, can replace the manpower through the mechanical power of driving motor 9 and lift by crane and put down the well lid to and send out or withdraw the measuring rope, reduce manpower consumption and improve work efficiency.

Optionally, the base 19 includes a first supporting portion 6 and a second supporting portion 7 arranged in a horizontal direction, a gap is left between the first supporting portion 6 and the second supporting portion 7, the pivot portion is located in the gap, and the pivot portion is pivoted with both the first supporting portion 6 and the second supporting portion 7. Like this, the both sides of jib 4 support through first supporting part 6 and second supporting part 7 respectively, provide good support to jib 4 and the well lid of hoisting, improved the security reliability of well device of uncapping. In the embodiment of the application, the whole base 19 can be in a laid-down V shape, and the first supporting part 6 and the second supporting part 7 form the upper half part and incline from bottom to top in the direction far away from the lifting end of the lifting rope 2, so that the lifted well lid is not easy to collide with the base 19; preferably, the reel 8 and the drive motor 9 are also located between the first support 6 and the second support 7; preferably, the support assembly 10 is located below the boom 4, the support assembly 10 is attached to the tip of the V-shape, and the support assembly 10 is located in the gap; the pedestal 19 may be used by forming bolt holes in the pedestal 19 and attaching the pedestal 19 to a vehicle through the bolt holes for transportation or use, or by placing the pedestal 19 directly on the bottom surface.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. Well device of uncapping, its characterized in that, including the base and all install in the subassembly and the supporting component lift by crane of base, lift by crane the subassembly be used for with well lid detachable be connected with the well lid lifting upwards, the supporting component be used for with by the lifting the well lid cooperation is in order to inject the position of well lid in vertical direction.

2. The well cover opening device according to claim 1, wherein one end of the support assembly is a mating end for mating with a well lid, and the mating end is a bayonet for mating with the well lid.

3. The well lid opening device according to claim 1, wherein the support assembly comprises an inner support rod and an outer sleeve sleeved on the inner support rod, and the outer sleeve is in sliding fit with the inner support rod in the length direction of the inner support rod, so that the support assembly can stretch and contract in the length direction of the inner support rod.

4. The well cover opening device according to claim 3, wherein the support assembly further comprises a limiting rod, at least two first limiting holes are formed in the outer sleeve, each of the first limiting holes is distributed along the length of the inner supporting rod, a second limiting hole is formed in the inner supporting rod, and the limiting rod is used for matching with one of the first limiting holes and the second limiting hole to limit the relative position between the inner supporting rod and the outer sleeve.

5. A well cover opening device according to any one of claims 1 to 4, wherein the lifting assembly comprises a lifting rope for detachable connection with the well cover, the lifting rope being a measuring rope.

6. The well lid opening device according to claim 5, wherein the lifting assembly comprises a lifting rod and a fixed pulley, the lifting rod is provided with a pivoting part, the pivoting part is pivoted to the base, the fixed pulley is mounted at one end of the lifting rod in the length direction of the lifting rod, the other end of the lifting rod is an operating end, the fixed pulley, the pivoting part and the operating end are sequentially arranged, one end of the lifting rope is connected to the base, the other end of the lifting rope is a lifting end detachably connected with the well lid, and the lifting rope is in sliding fit with the fixed pulley.

7. The well lid opener apparatus of claim 6, wherein the lifting assembly further comprises a fastener, and the base and the pivot portion are each releasably or releasably connected to the fastener to define the relative position of the base and the boom.

8. The well lid opening device according to claim 7, wherein the hoisting assembly further comprises a reel mounted to the base, and the lifting rope is wound around the reel.

9. The well cover opening device according to claim 8, wherein the hoisting assembly further comprises a driving motor, and the driving motor is in transmission connection with the reel.

10. The well lid opening device according to claim 6, wherein the base comprises a first supporting portion and a second supporting portion which are arranged in a horizontal direction, a gap is left between the first supporting portion and the second supporting portion, the pivoting portion is located in the gap, and the pivoting portion is pivoted with the first supporting portion and the second supporting portion.