CN204173887U - The opening device of hydraulic manhole cover - Google Patents
The opening device of hydraulic manhole cover Download PDFInfo
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- CN204173887U CN204173887U CN201420607768.0U CN201420607768U CN204173887U CN 204173887 U CN204173887 U CN 204173887U CN 201420607768 U CN201420607768 U CN 201420607768U CN 204173887 U CN204173887 U CN 204173887U
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Abstract
The utility model embodiment discloses a kind of opening device of hydraulic manhole cover, comprising: bracing frame, supports the bont be connected with support frame as described above; Bont, is fixed on support frame as described above, for promoting and the high hanging apparatus be arranged on described bont of frame; Hanging apparatus, described hanging apparatus is arranged on described bont, and described hanging apparatus is for connecting lid; Wherein, promote described hanging apparatus by described bont, described hanging apparatus drives the lid be connected with described hanging apparatus to move, and opens described lid.Lid is connected by this hanging apparatus, and by this bont by high for this hanging apparatus frame, this hanging apparatus drives this lid to move simultaneously, thus unlatching lid, the opening device of this hydraulic manhole cover can open fast due to stuck, get rusty or heavy lid, effective raising opens the work efficiency of lid, is convenient to that underground pipelines is contentedly efficient, the requirement of Fast-Maintenance.
Description
Technical field
The utility model relates to field of mechanical technique, particularly relates to a kind of opening device of hydraulic manhole cover.
Background technology
Conveniently detect and to detect and Municipal Underground Piping is safeguarded in maintenance; usual meeting arranges inspection well (also known as Jiao Jing) on road surface; and lid is set on this inspection well; and this lid is covered on inspection well; this lid can be removed from ground during use, and enter in inspection well and carry out Municipal Underground Piping maintenance.
Usually, in order to reach the firm and antitheft effect of lid, the heavier mass of the lid of manufacture and install and closely (make this lid be not easy to depart from inspection well).Due in use, impurity or dust often fill up in the gap place covered between inspection well and lid, and long-time words of piling up can cause the possibility that lid is stuck or get rusty, and then it is more difficult that lid is opened; When underground utilities are safeguarded or generation unexpected incidents need uncap, if this manhole cover can not be opened fast, plan of work may be caused on time not carry out, have a strong impact on work efficiency.But current each big city generally has three kinds for the conventional tool of opening the lid of inspection well: cleek, pickax and sledgehammer, is known as " three-major-items "; These " three-major-items " also represent three kinds of instruments and the open method of three kinds of unlatching inspection wells: lid hook is opened by cleek by the first; Lid to be pulled by pickax and is opened by the second; Namely the third after uncap, directly cannot break lid by sledgehammer in first two mode, reaches the object of opening inspection well lid, and some compares the lid being difficult to open and even may set out crane and open.
Therefore, for stuck, get rusty or the unlatching of heavy lid, the opening device of correlation technique is all more difficult, when the structure that lid matches with it covers tighter, may cause can not quick open cover, and work efficiency is low, can not the demand of efficient, the Fast-Maintenance of underground pipelines contentedly.
Utility model content
The utility model embodiments provides a kind of opening device of hydraulic manhole cover, with solve in prior art for stuck, get rusty or structure that heavy lid matches with it covers tighter time, the situation that lid opening speed can not be opened more slowly or at all, causes the problem that work efficiency is low.
In order to solve the problems of the technologies described above, the utility model embodiment discloses following technical scheme:
The utility model embodiment provides a kind of opening device of hydraulic manhole cover, comprising:
Bracing frame (10), supports the bont (20) be connected with support frame as described above (10);
Bont (20), is fixed on support frame as described above (10), for promoting and the high hanging apparatus (30) be arranged on described bont (20) of frame;
Hanging apparatus (30), described hanging apparatus (30) is arranged on described bont (20), and described hanging apparatus (30) is for connecting lid.
Optionally, support frame as described above (10) comprises tripod;
Described tripod comprises The Cloud Terrace (11), strut bar (12) and feet (13); Wherein,
Described bont (20) is fixed on described The Cloud Terrace (11), one end of described strut bar (12) connects described The Cloud Terrace (11), and described strut bar (12) is for supporting described The Cloud Terrace (11);
Described feet (13) is arranged on the other end of described strut bar (12).
Optionally, described bont (20) comprises hydraulic jack, and described hydraulic jack is fixed on support frame as described above (10).
Optionally, described hydraulic jack comprises base (205), hydraulic actuating cylinder (206), pumping cylinder (203), shutoff valve (204), handle (201), fuel tank (210), first piston bar (202) and the second piston rod (207); Wherein,
Described base (205) is connected with support frame as described above (10), and described hydraulic jack is fixed on support frame as described above (10) by described base (205);
Described pumping cylinder (203) is arranged on described base (205), described first piston bar (202) is arranged in described pumping cylinder (203), and one end that described first piston bar (202) exposes described pumping cylinder (203) is connected with described handle (201);
Described hydraulic actuating cylinder (206) is arranged on described base (205), described second piston rod (207) is arranged in described hydraulic actuating cylinder (206), and one end that described second piston rod (207) exposes described hydraulic actuating cylinder (206) is connected with described hanging apparatus (30);
Described shutoff valve (204) is arranged in the asphalt channel between described hydraulic actuating cylinder (206) and described fuel tank (210).
Optionally, described hydraulic jack also comprises oil extraction check valve (208) and oil sucting one-way valve (209); Wherein,
Described pumping cylinder (203) connects described hydraulic actuating cylinder (206) and described fuel tank (210) respectively, described oil extraction check valve (208) is only arranged in the asphalt channel between described pumping cylinder (203) and described hydraulic actuating cylinder (206), and described oil sucting one-way valve (209) is only arranged in the asphalt channel between described pumping cylinder (203) and described fuel tank (210).
Optionally, described hanging apparatus (30) comprises hanging and connects frame (301), lifting rope (302) and suspension hook (303); Wherein,
Described hanging connects frame (301) and is fixed on described bont (20);
Hang described in one end connection of described lifting rope (302) and connect frame (301), the other end of described lifting rope (302) connects described suspension hook (303).
Optionally, hang described in and connect frame (301) and comprise bearing bar.
Optionally, hanging described in and connecing frame (301) is that the hanging of polygonal frame structure be made up of bearing bar connects frame (301); Wherein,
Described hanging connects frame (301) and is fixed on described bont (20), described hanging connects frame (301) and is upside down on described bont (20), and described in hang connect frame (301) and support frame as described above (10) and described bont (20) center of gravity on same straight line.
Optionally, described suspension hook (303) comprises yi word pattern suspension hook or nose type suspension hook.
From above technical scheme, the opening device of the hydraulic manhole cover that the utility model embodiment provides comprises bracing frame, bont and hanging apparatus, this bracing frame is for supporting this bont and hanging apparatus, this bont is fixed on this bracing frame, this bont is fixedly installed this hanging apparatus, and being centrally located on same straight line of this bracing frame, hanging apparatus and bont, thus ensure its stability; In implementation process, this hanging apparatus is connected with needing the lid opened, by the effect of this bont by high for this hanging apparatus raising legs, thus by this hanging apparatus, lid is raised, lid is moved from position before, and then unlatching lid, the well head of this lid from ground check well is removed fast.The opening device structure of the hydraulic manhole cover that this embodiment proposes is simple, under the dynamic action of this bont, for stuck in prior art, get rusty or the opening speed of heavy lid very fast, effective raising opens the work efficiency of lid, thus is convenient to that underground pipelines is contentedly efficient, the demand of Fast-Maintenance.
Further, the opening device of the hydraulic manhole cover that the utility model embodiment provides, in open cap subprocess, by this bont by high for the hanging apparatus frame connecting lid, and then by lid from ground moving out, reaches the object that lid is opened; Simultaneously, in the opening device open cap subprocess of this hydraulic manhole cover, the damage of lid can't be caused, avoid occurring in prior art due to can not open stuck, get rusty or heavy lid time need to destroy the situation of lid, thus effectively reduce productive costs.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the opening device of a kind of hydraulic manhole cover that Fig. 1 provides for the utility model embodiment;
The structural representation of the bracing frame of the opening device of a kind of hydraulic manhole cover that Fig. 2 provides for the utility model embodiment;
The structural representation of the bont of the opening device of a kind of hydraulic manhole cover that Fig. 3 provides for the utility model embodiment;
The driving principle schematic diagram of the hydraulic jack that Fig. 4 provides for the utility model embodiment;
The structural representation of the hanging apparatus of the opening device of a kind of hydraulic manhole cover that Fig. 5 provides for the utility model embodiment.
Symbol represents:
10-bracing frame, 11-The Cloud Terrace, 12-strut bar, 13-feet;
20-bont, 201-handle, 202-first piston bar, 203-pumping cylinder, 204-shutoff valve, 205-base, 206 hydraulic actuating cylinders, 207-second piston rod, 208-oil extraction check valve, 209-oil sucting one-way valve, 210-fuel tank;
30-hanging apparatus, 301-hangs and connects frame, 302-lifting rope, 303-suspension hook, 304-first bearing bar, 305-second bearing bar.
Detailed description of the invention
Technical scheme in the utility model is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
See Fig. 1, the structural representation of the opening device of a kind of hydraulic manhole cover provided for the utility model embodiment, the opening device of this hydraulic manhole cover comprises bracing frame 10, bont 20 and hanging apparatus 30, this bracing frame 10 is for supporting bont 20 and hanging apparatus 30, this bont 20 is for by high for this hanging apparatus 30 frame, meanwhile, this hanging apparatus 30 drives the lid be connected with this hanging apparatus 30 to depart from the well head of inspection well.
In the opening device of the hydraulic manhole cover provided in the utility model embodiment, this bont 20 is fixedly installed on this bracing frame 10, and this hanging apparatus 30 is arranged on this bont 20, and this hanging apparatus 30 is also for connecting lid; This bont 20 is an engine installation, for by high for this hanging apparatus 30 frame, thus in this hanging apparatus 30 lifting process, lid can be driven to move.In order to ensure the safety and stability of the opening device of this hydraulic manhole cover in open cap subprocess, the center of gravity of this bracing frame 10, bont 20 and hanging apparatus 30 is all on same straight line, thus avoid when slinging lid, because bont 20 and hanging apparatus 30 are under the Action of Gravity Field being subject to lid, bont 20 under this bracing frame 10 supports and the stressed skew of hanging apparatus 30, the phenomenon such as to topple over.In the present embodiment, by the concrete steps of the opening device unlatching lid of this hydraulic manhole cover be:
First, the bracing frame 10 of the opening device of this hydraulic manhole cover is placed on the ground, and adjust this bracing frame 10, the opening device of this hydraulic manhole cover is firmly placed on the ground;
Secondly, this bont 20 works, and because this hanging apparatus 30 is arranged on bont 20, thus under the effect of bont 20, the displacement of this hanging apparatus 30 moves up (high by this bont 20 frame); Because this hanging apparatus 30 is connected with lid, therefore, while this hanging apparatus 30 is high by frame, this lid also moves up thereupon, makes lid depart from the well head of inspection well;
Then, depart from well head one segment distance of inspection well completely at this lid after, move this lid by artificial or other mechanical equipments, thus reach the object of opening lid.
The opening device of the inspection well hydraulic manhole cover provided by adopting the present embodiment, by the effect of this bont by high for this hanging apparatus raising legs, thus by this hanging apparatus, lid is raised, lid is moved from position before, and then unlatching lid, the well head of this lid from ground check well is removed fast.The opening device structure of this hydraulic manhole cover is simple, for stuck in prior art, get rusty or the opening speed of heavy lid very fast, effectively improve the work efficiency opening lid, thus be convenient to that underground pipelines is contentedly efficient, the demand of Fast-Maintenance.
See Fig. 2, the structural representation of the bracing frame 10 of the opening device of the hydraulic manhole cover provided for the utility model embodiment, this bracing frame 10 is mainly used in bont 20 and the hanging apparatus 30 of the opening device supporting this hydraulic manhole cover, this bracing frame 10 is generally multi-leg bracket as tripod and four foot supports etc., wherein, in this enforcement, this bracing frame 10 is for tripod, this bont 20 for hydraulic jack be example.As shown in the figure, this tripod comprises The Cloud Terrace 11, strut bar 12 and feet 13, comprises three strut bars 12 and three feets 13 at this tripod; The length of these three strut bars 12 is identical, and one end of these three strut bars 12 connects the bottom of The Cloud Terrace 11 respectively, thus for supporting this The Cloud Terrace 11, the other end of these three strut bars 12 connects this feet 13 respectively, and this feet 13 and strut bar 12 cooperatively interact and arrange, this feet 13 is for fixedly securing on the ground by this tripod; For this bont 20 (as hydraulic jack) of fixed pedestal on this The Cloud Terrace 11.
In the opening device of the hydraulic manhole cover of the present embodiment proposition, the support angle of the strut bar 12 of this spider can regulate, and namely this strut bar 12 support angle on the ground determines the height of this The Cloud Terrace 11; In the present embodiment, to open the well lid of inspection well, the support scope of the strut bar 12 of this tripod can be supported on the periphery of well lid; And then, this bont 20 is arranged on The Cloud Terrace 11, and hanging apparatus 30 is connected with well lid, and open this well lid.
See Fig. 3, the structural representation of the bont 20 of the opening device of the hydraulic manhole cover provided for the utility model embodiment; Simultaneously with reference to figure 4, as the principle of work schematic diagram of the hydraulic jack that Fig. 4 provides for the utility model embodiment; This bont 20 is mainly used in promoting hanging apparatus 30, and drives lid to raise, thus opens lid.This bont 20 can comprise shift mechanism as elevator etc., in the present embodiment, this bont 20 is for hydraulic jack, because this hydraulic jack roof construction is simple, power is larger, in use operate more convenient, and be convenient to be combined with bracing frame 10 and the The Cloud Terrace 11 being fixedly installed on this bracing frame 10 is easy to carry about with one.
In the hydraulic jack of the opening device of the hydraulic manhole cover provided at the present embodiment, as shown in Figure 3, and with reference to the principle of work of this hydraulic jack shown in figure 4; This hydraulic jack comprises base 205, hydraulic actuating cylinder 206, pumping cylinder 203, shutoff valve 204, handle 201, fuel tank 210, first piston bar 202, second piston rod 207, oil extraction check valve 208 and oil sucting one-way valve 209.As shown in Figure 3, this base 205 is connected with this bracing frame 10, wherein, this base 205 for being fixed on the The Cloud Terrace 11 of this bracing frame 10, thus makes this hydraulic jack be fixed on The Cloud Terrace 11 by this base 205 to be fixed on bracing frame 10 by this hydraulic jack, this pumping cylinder 203 and hydraulic actuating cylinder 206 are all connected with this base 205, this first piston bar 202 is connected with this pumping cylinder 203, this second piston rod 207 is connected with this hydraulic actuating cylinder 206, wherein, one end of this first piston bar 202 is arranged in this pumping cylinder 203, the other end that this first piston bar 202 exposes pumping cylinder 203 is connected with this handle 201, this first piston bar 202 is made to drive this pumping cylinder 203 from sucking-off part fluid in fuel tank 210 by the swing of this handle 201, and enter this hydraulic actuating cylinder 206 through this pumping cylinder 203, this hydraulic actuating cylinder 206 is made to drive this second piston rod 207 upward movement, one end of this second piston rod 207 is arranged in this hydraulic actuating cylinder 206, the other end that this second piston rod 207 exposes hydraulic actuating cylinder 206 is connected with hanging apparatus 30, thus when hydraulic actuating cylinder 206 drives this second piston rod 207 upward movement, promote and frame this hanging apparatus 30 high.
In the opening device of the hydraulic manhole cover provided at the present embodiment, asphalt channel is provided with between pumping cylinder 203 in this hydraulic jack and fuel tank 210, be provided with asphalt channel between this pumping cylinder 203 and hydraulic actuating cylinder 206, between this hydraulic actuating cylinder 206 and this fuel tank 210, be also provided with asphalt channel; And as shown in Figure 4, in this hydraulic jack, this shutoff valve 204 is arranged in the asphalt channel between this hydraulic actuating cylinder 206 and this fuel tank 210, thus the fluid in this hydraulic actuating cylinder 206 is made to be back to fuel tank 210 by controlling this shutoff valve 204; This oil extraction check valve 208 is arranged on the asphalt channel between this pumping cylinder 203 and hydraulic actuating cylinder 206, thus be convenient to when swing handle 201, fluid in pumping cylinder 203 enters this hydraulic actuating cylinder 206 by this oil extraction check valve 208, thus by the second piston rod 207 by high for hanging apparatus 30 frame; This oil sucting one-way valve 209 is arranged between this pumping cylinder 203 and fuel tank 210, thus during by swing handle 201, the fluid in this fuel tank 210 enters this pumping cylinder 203.Wherein, this oil extraction check valve 208 is for the asphalt channel between this pumping cylinder 203 to hydraulic actuating cylinder 206 of one-way conduction, and this oil sucting one-way valve 209 is for the asphalt channel between this fuel tank 210 to pumping cylinder 203 of one-way conduction.
In the hydraulic jack that the present embodiment provides, the mode of operation of this hydraulic jack is specific as follows:
First, this hydraulic jack is fixed on the The Cloud Terrace 11 of this bracing frame 10, the base 205 of this hydraulic jack can be fixed on this The Cloud Terrace 11 by screw or other anchor fittings;
Secondly, operate this shutoff valve 204 and the asphalt channel between fuel tank 210 and hydraulic actuating cylinder 206 is ended;
Then, successively pressing swings this handle 201, makes this hydraulic jack that this hanging apparatus 30 can be driven to move up;
Wherein, when handle 201 drives first piston bar 202 along pumping cylinder 203 upward movement, the fluid in this fuel tank 210 enters this pumping cylinder 203 by oil sucting one-way valve 209; When handle 201 drives first piston bar 202 to move downward along pumping cylinder 203, the fluid in this pumping cylinder 203 enters this hydraulic actuating cylinder 206 (now, shutoff valve 204 is closed) by oil extraction check valve 208; Fluid enter increase gradually in this hydraulic actuating cylinder time, then fluid the second piston rod 207 of promoting to be connected with this hydraulic actuating cylinder 206 is along hydraulic actuating cylinder 206 upward movement, thus frame is high is fixed on hanging of hanging apparatus 30 on this second piston rod 207 and connects frame 301, thus lid is raised, open this lid.When lid covers at inspection well by needs, operate this shutoff valve 204 by the asphalt channel conducting between this fuel tank 210 and hydraulic actuating cylinder 206, then this hydraulic actuating cylinder 206 directly enters in this fuel tank 210 by this asphalt channel, because the fluid in hydraulic actuating cylinder 206 reduces, this the second piston rod 207 position is declined, and drives hanging apparatus 30 position to decline.
See Fig. 5, the structural representation of the hanging apparatus 30 of the opening device of the hydraulic manhole cover provided for the utility model embodiment, this hanging apparatus 30 one end is fixed on bont 20, the other end is for connecting lid, this hanging apparatus 30 comprises hanging and connects frame 301, lifting rope 302 and suspension hook 303, this hangs and connects frame 301 and be fixed on the second piston rod 207 of hydraulic jack, thus in the process of the second piston rod 207 upward movement of hydraulic jack, and this hangs and connects frame 301 and follow upward movement; One end of this lifting rope 302 is connected to this and hangs and connect on frame 301, and the other end connects this suspension hook 303, and this hanging apparatus 30 is connected by this suspension hook 303 and hung and draws lid.
In the hanging apparatus 30 that the present embodiment proposes, this hangs and connects frame 301 and comprise bearing bar, frame 301 is connect by hanging of a bearing bar composition formation polygonal frame structure, also directly can arrange a bearing bar to be hung on hanging on bont 20 as single armed and to connect frame 301, and one end of this bearing bar is fixed on the second piston rod 207 of hydraulic jack, the other end connects lifting rope 302 and suspension hook 303, meanwhile, this bearing bar and tripod need to accept the weight of manhole cover when this hydraulic jack withstands on frame height bearing bar.
Connect in frame 301 hanging of providing of the present embodiment, as shown in Figure 5, this hangs and connects frame 301 is that hanging of the polygonal frame structure be made up of this bearing bar connects frame 301, the base connecing frame 301 of hanging of this polygonal frame structure is the first bearing bar 304, and this first bearing bar 304 is for being fixed on the second piston rod 207 of this hydraulic jack; Simultaneously, hanging of this polygonal frame structure connects frame 301 upside down, and this hang connect frame 301 outside around this hydraulic jack, and hanging for this bearing bar connect on frame 301 for the second bearing bar 305 connecting this lifting rope 302, this second bearing bar 305 is positioned at the lower end of the The Cloud Terrace 11 of this bracing frame 10; This lifting rope 302 is connected with this second bearing bar 305, and this lifting rope 302 connecting shackle 303, be articulated on lid by this suspension hook 303.In order to ensure the stability of the opening device of this hydraulic manhole cover and the stability in open cap subprocess, the center of gravity meeting frame 301 three of hanging of the tripod that the present embodiment is arranged, hydraulic jack and polygonal frame structure is located on the same line, thus ensures that the opening device of this hydraulic manhole cover is hanging in the process connecing and open lid and can stablely be placed on ground.
In addition, connect in frame 301 hanging of providing of the present embodiment, this suspension hook 303 is for hanging the lid connecing and be unlocked, this suspension hook 303 connects for hanging the lid that lid is located at the well head of inspection well in the present embodiment, due to the reason of this inspection well, stuck, the situation such as to get rusty easily is there is in this lid lid possible when being located at inspection well well head, therefore, need the opening device that the hydraulic manhole cover that the present embodiment proposes is set, and be hooked on this lid by this suspension hook 303, can tightly hang this lid by suspension hook 303 when hydraulic jack action, and then lid is removed.Wherein, when implementing this suspension hook 303 and lifting, this suspension hook 303 can be set to yi word pattern suspension hook or nose type suspension hook, thus is mounted according to the difference of lid by this yi word pattern suspension hook or nose hook block hook, realizes the lifting of this lid.Certainly, the type of this suspension hook 303 is not limited to yi word pattern suspension hook that the present embodiment provides and nose type suspension hook, can arrange according to the type of lid.
Above embodiment is further restriction and the description of detailed embodiment of the opening device of the hydraulic manhole cover to the proposition of the utility model embodiment, by adopting by tripod, hydraulic jack and hanging of polygonal frame structure connect the opening device that frame composition forms the hydraulic manhole cover of the present embodiment, due to this tripod, the center of gravity that the hanging of hydraulic jack and polygonal frame structure connects frame is all on same straight line, thus the stability of the opening device of this hydraulic manhole cover can be ensured at the open cap period of the day from 11 p.m. to 1 a.m, and ensure the safety of the opening device of this hydraulic manhole cover at the open cap period of the day from 11 p.m. to 1 a.m, avoid making the opening device of this hydraulic manhole cover topple over because gravity is unbalanced.In addition, because this hydraulic jack has larger power, can be high by heavier lid frame by means of only the operation of a people, and then can open stuck, the lid such as get rusty, and can not only save manpower, and work efficiency is high.By the opening device of the simple hydraulic manhole cover of this structure, can not only will get rusty, stick into and the lid of inspection well of heavy type or other lids are opened fast, constructability personnel do not damage lid within the shortest time, reduce construction cost, and can the demand of efficient, the Fast-Maintenance of underground pipelines contentedly fast, effectively increase work efficiency.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device or system embodiment, all have identical point between each embodiment, so describe fairly simple, relevant part illustrates see the part of other embodiments.Apparatus and system embodiment described above is only schematic, and some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only detailed description of the invention of the present utility model, those skilled in the art is understood or realizes the utility model.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an opening device for hydraulic manhole cover, is characterized in that, comprising:
Bracing frame (10), supports the bont (20) be connected with support frame as described above (10);
Bont (20), is fixed on support frame as described above (10), for promoting and the high hanging apparatus (30) be arranged on described bont (20) of frame;
Hanging apparatus (30), described hanging apparatus (30) is arranged on described bont (20), and described hanging apparatus (30) is for connecting lid.
2. the opening device of hydraulic manhole cover according to claim 1, is characterized in that, support frame as described above (10) comprises tripod;
Described tripod comprises The Cloud Terrace (11), strut bar (12) and feet (13); Wherein,
Described bont (20) is fixed on described The Cloud Terrace (11), one end of described strut bar (12) connects described The Cloud Terrace (11), and described strut bar (12) is for supporting described The Cloud Terrace (11);
Described feet (13) is arranged on the other end of described strut bar (12).
3. the opening device of hydraulic manhole cover according to claim 1, is characterized in that, described bont (20) comprises hydraulic jack, and described hydraulic jack is fixed on support frame as described above (10).
4. the opening device of hydraulic manhole cover according to claim 3, it is characterized in that, described hydraulic jack comprises base (205), hydraulic actuating cylinder (206), pumping cylinder (203), shutoff valve (204), handle (201), fuel tank (210), first piston bar (202) and the second piston rod (207); Wherein,
Described base (205) is connected with support frame as described above (10), and described hydraulic jack is fixed on support frame as described above (10) by described base (205);
Described pumping cylinder (203) is arranged on described base (205), described first piston bar (202) is arranged in described pumping cylinder (203), and one end that described first piston bar (202) exposes described pumping cylinder (203) is connected with described handle (201);
Described hydraulic actuating cylinder (206) is arranged on described base (205), described second piston rod (207) is arranged in described hydraulic actuating cylinder (206), and one end that described second piston rod (207) exposes described hydraulic actuating cylinder (206) is connected with described hanging apparatus (30);
Described shutoff valve (204) is arranged in the asphalt channel between described hydraulic actuating cylinder (206) and described fuel tank (210).
5. the opening device of hydraulic manhole cover according to claim 4, is characterized in that, described hydraulic jack also comprises oil extraction check valve (208) and oil sucting one-way valve (209); Wherein,
Described pumping cylinder (203) connects described hydraulic actuating cylinder (206) and described fuel tank (210) respectively, described oil extraction check valve (208) is only arranged in the asphalt channel between described pumping cylinder (203) and described hydraulic actuating cylinder (206), and described oil sucting one-way valve (209) is only arranged in the asphalt channel between described pumping cylinder (203) and described fuel tank (210).
6. the opening device of hydraulic manhole cover according to claim 1, is characterized in that, described hanging apparatus (30) comprises hanging and connects frame (301), lifting rope (302) and suspension hook (303); Wherein,
Described hanging connects frame (301) and is fixed on described bont (20);
Hang described in one end connection of described lifting rope (302) and connect frame (301), the other end of described lifting rope (302) connects described suspension hook (303).
7. the opening device of hydraulic manhole cover according to claim 6, is characterized in that, described in hang and connect frame (301) and comprise bearing bar.
8. the opening device of hydraulic manhole cover according to claim 7, is characterized in that, described in hang that to connect frame (301) be that the hanging of polygonal frame structure be made up of bearing bar connects frame (301); Wherein,
Described hanging connects frame (301) and is fixed on described bont (20), described hanging connects frame (301) and is upside down on described bont (20), and described in hang connect frame (301) and support frame as described above (10) and described bont (20) center of gravity on same straight line.
9. the opening device of hydraulic manhole cover according to claim 6, is characterized in that, described suspension hook (303) comprises yi word pattern suspension hook or nose type suspension hook.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420607768.0U CN204173887U (en) | 2014-10-20 | 2014-10-20 | The opening device of hydraulic manhole cover |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420607768.0U CN204173887U (en) | 2014-10-20 | 2014-10-20 | The opening device of hydraulic manhole cover |
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| CN204173887U true CN204173887U (en) | 2015-02-25 |
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| CN201420607768.0U Active CN204173887U (en) | 2014-10-20 | 2014-10-20 | The opening device of hydraulic manhole cover |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326415A (en) * | 2014-10-20 | 2015-02-04 | 湖南大麓管道工程有限公司 | Opening device |
| CN105731324A (en) * | 2016-03-17 | 2016-07-06 | 常熟市藕渠针织机械厂 | Hydraulic cover lifting device for inspection wells |
| CN113526418A (en) * | 2021-07-01 | 2021-10-22 | 国网山东省电力公司烟台供电公司 | Movable multifunctional lifting device for opening work well and underground operation and well cover hoisting method |
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2014
- 2014-10-20 CN CN201420607768.0U patent/CN204173887U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326415A (en) * | 2014-10-20 | 2015-02-04 | 湖南大麓管道工程有限公司 | Opening device |
| CN105731324A (en) * | 2016-03-17 | 2016-07-06 | 常熟市藕渠针织机械厂 | Hydraulic cover lifting device for inspection wells |
| CN105731324B (en) * | 2016-03-17 | 2017-12-19 | 常熟市藕渠针织机械厂 | Hydraulic pressure inspection shaft cover opener |
| CN113526418A (en) * | 2021-07-01 | 2021-10-22 | 国网山东省电力公司烟台供电公司 | Movable multifunctional lifting device for opening work well and underground operation and well cover hoisting method |
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