CN106904560B - A manhole cover opening device - Google Patents

A manhole cover opening device Download PDF

Info

Publication number
CN106904560B
CN106904560B CN201710258214.2A CN201710258214A CN106904560B CN 106904560 B CN106904560 B CN 106904560B CN 201710258214 A CN201710258214 A CN 201710258214A CN 106904560 B CN106904560 B CN 106904560B
Authority
CN
China
Prior art keywords
sleeve
support rod
rod
manhole cover
opening device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201710258214.2A
Other languages
Chinese (zh)
Other versions
CN106904560A (en
Inventor
张发军
杨晶晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Three Gorges University CTGU
Original Assignee
China Three Gorges University CTGU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Three Gorges University CTGU filed Critical China Three Gorges University CTGU
Priority to CN201710258214.2A priority Critical patent/CN106904560B/en
Publication of CN106904560A publication Critical patent/CN106904560A/en
Application granted granted Critical
Publication of CN106904560B publication Critical patent/CN106904560B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/12Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
    • B66F7/14Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

一种井盖开启装置,包括两根中部相互铰接的支撑杆,在支撑杆两端分别连接有一升降机构,在各升降机构下端均安装有万向轮,在其中的一根支撑杆上安装有两组井盖勾取机构;所述勾取机构包括套在支撑杆上的管套和连接在管套上的挂钩,所述管套可在支撑杆上左右滑动;本发明可以方便的将井盖提起,并移动到指定位置。

A manhole cover opening device comprises two supporting rods hinged in the middle, a lifting mechanism is respectively connected to the two ends of the supporting rods, universal wheels are installed on the lower ends of each lifting mechanism, and two supporting rods are installed on one of the supporting rods. A manhole cover hooking mechanism is provided; the hooking mechanism includes a pipe sleeve sleeved on the support rod and a hook connected to the pipe sleeve, the pipe sleeve can slide left and right on the support rod; the invention can easily lift the manhole cover, and move to the specified location.

Description

A kind of well cover opening device
Technical field
The present invention relates to a kind of well cover opening devices.
Background technique
It is being to need to move out well lid well head to sewer progress dredging and optical cable maintenance, well lid moves out well head and needs Also it is not easy very much when wanting worker's expense well lid can be just moved to very much other places energetically, and well lid being restored to the original state.Thus take When it is laborious, reduce efficiency.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of well cover opening devices, it may be convenient to lift well lid, and move It moves to designated position.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows: in the middle part of a kind of well cover opening device, including two The support rod being hinged is connected separately with an elevating mechanism at support rod both ends, is mounted on ten thousand in each elevating mechanism lower end To wheel, two groups of well lid Gou Qu mechanisms are installed on a support rod wherein;
The Gou Qu mechanism includes the hook for covering the pipe sleeve on support rod and being connected on pipe sleeve, and the pipe sleeve can prop up It horizontally slips on strut.
The elevating mechanism includes sleeve, handle, lead screw, plane bearing, retaining ring, positioning sleeve, sliding block and nut: under sleeve End is fixed on universal wheel, and sleeve outer wall offers a notch, and positioning sleeve is inserted in sleeve, and positioning set upper side has a circle Flange, flange are pressed on sleeve nozzle, and plane bearing and retaining ring are successively set on flange from bottom to top, and lead screw is set to sleeve Interior, lead screw upper end is fixedly connected with optical axis, and the optical axis sequentially passes through positioning sleeve, plane bearing and retaining ring and handle from bottom to top It is fixedly connected, a ring flat-plate is fixed on optical axis, a counterbore is offered on retaining ring, the ring flat-plate is located in the counterbore, spiral shell Mother is mounted on lead screw, and sliding block is located at outside sleeve, and the sliding block is connect by more screws with the nut, each equal position of screw In in sleeve notch.
The support rod is square hollow pipeline, and each elevating mechanism is connected to support rod one end by a flexible square bar, Square bar one end is connect with sliding block, and square bar other end is inserted in support rod.
It is equipped with a plurality of guide rail parallel on support rod, is connected with multiple pulleys in pipe sleeve inner shaft, is covered in support in pipe sleeve Afterwards, each pulley is pressed on each guide rail.
The hook is connect by a rotation-preventing mechanism with pipe sleeve, and the rotation-preventing mechanism includes being fixed on connecing in pipe sleeve Bar is fixed with locating piece on extension bar, and the first face gear, first face gear and a second face tooth are installed on locating piece Wheel is meshed, and through-hole is offered in the middle part of the first face gear, and hook one end passes through through-hole from the bottom to top and fixes with the second face gear Connection.
The hook includes upper end and the second face gear is fixedly connected on vertical bar, is fixedly connected under vertical bar in the middle part of cross bar End, is fixedly connected with driving lever in the middle part of vertical bar.
Threaded hole is offered on pipe sleeve, jackscrew is installed in the threaded hole, and jackscrew is resisted against on shown support rod.
Hook is moved in well lid dog hole the invention has the benefit that can use elevating mechanism, utilizes liter again Well lid is pulled out well head by descending mechanism, and well lid is finally moved to designated place using universal wheel, realizes unlatching and shifting to well lid It is dynamic, it is easy to operate, time saving and energy saving;Still further aspect, two support rods of this patent can collapse, each elevating mechanism can be with support rod Separation, this structure can be convenient construction personnel and device stored and transported;On the other hand, rotation-preventing mechanism can prevent from hanging Hook rotation avoids hook during mobile well lid from being detached from well lid, improves safety when using.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is schematic perspective view of the invention,
Fig. 2 is the schematic diagram of the section structure of the present invention about elevating mechanism,
Fig. 3 is partial enlargement structural representation of the present invention about elevating mechanism,
Fig. 4 is the schematic diagram of the section structure of the present invention about Gou Qu mechanism,
Fig. 5 is the structural schematic diagram of the present invention when in use,
Fig. 6 is the overlooking structure diagram of well lid.
In figure: support rod 1, pipe sleeve 2, elevating mechanism 3, hook 4, universal wheel 5, square bar 6, hinged shaft 7, rotation-preventing mechanism 8, guide rail 11, pulley 21, jackscrew 22, sleeve 31, lead screw 32, optical axis 33, nut 34, positioning sleeve 35, plane bearing 36, retaining ring 37, handle 38, sliding block 39, vertical bar 41, cross bar 42, driving lever 43, extension bar 81, locating piece 82, the first face gear 83, the second face gear 84, well lid 91, foundation ring 92, notch 311, grooving 912, opening 913, protrusion 921, dog hole 911, flange 351.
Specific embodiment
As shown in Fig. 1 to 3, a kind of well cover opening device, including the support rod 1 that two middle parts are hinged, in support rod 1 Both ends are connected separately with an elevating mechanism 3, universal wheel 5 are mounted in each 3 lower end of elevating mechanism, in a support rod wherein Two groups of well lids, 91 Gou Qu mechanism is installed on 1;
The Gou Qu mechanism includes the pipe sleeve 2 covered on support rod 1 and the hook 4 being connected on pipe sleeve 2, the pipe sleeve 2 It can horizontally slip on support rod 1.
Municipal manhole cover structure is as it can be seen in figures 5 and 6, it is the foundation ring 92 fixed on the ground by one and is fastened on foundation ring 92 Well lid 91 constitute, a circle grooving 912 is offered on 91 periphery of well lid, offers multiple openings on 912 bottom surface of grooving 913, foundation ring 92 is interior to be equipped with a counterbore, and a plurality of protrusion 921 corresponding with the opening 913 of well lid 91 is equipped on counterbore inner wall, It is first to put 913 alignment foundation ring 92 protrusion 921 of the opening of well lid 91 when needing for be put into 92 counterbore of foundation ring well lid 91 Lower well lid 91 allows protrusion 921 to pass through opening and 913 enters in grooving 912, well lid 91 is then rotated an angle, allows protrusion 921 are staggered with opening 913, can be thus fixed with well lid 91, well lid 91 is avoided arbitrarily to be opened;When needing well lid 91 When unlatching, then first rotating well cover 91 is needed, after opening 913 is turned to 921 top of protrusion, then well lid 91 is promoted, by well head It opens.
In the use of the present invention, as shown in figure 4, device is moved left and right pipe sleeve 2 to the top of well lid 91 first, two are allowed Two 91 dog holes 911 of dog hole 911(well lid on 4 alignment well lid 91 of hook are generally keyhole shape), elevating mechanism 3 drives support rod 1 decline allows two hooks 4 to be inserted into dog hole 911, moves pipe sleeve 2 again, guarantees that hook 4 can catch on well lid 91, in both hands Two hooks 4 are held, well lid 91 is rotated into an angle, 91 notch 311 of well lid is turned into 92 flange of foundation ring, 351 top;With Four elevating mechanisms 3 are synchronous afterwards rises, and well lid 91 is pulled out foundation ring 92, can be mobile by well lid 91 finally by universal wheel 5 To designated place.
Since two support rods 1 are that middle part is hinged, two support rods 1 can be collapsed, reduce its volume, Operator is facilitated to store.
As shown in Figures 2 and 3, the elevating mechanism 3 include sleeve 31, handle 38, lead screw 32, plane bearing 36, retaining ring 37, Positioning sleeve 35, sliding block 39 and nut 34: 31 lower end of sleeve is fixed on universal wheel 5, and 31 outer wall of sleeve offers a notch 311, positioning sleeve 35 is inserted in sleeve 31, and 35 upper end of positioning sleeve has a circle flange 351, and flange 351 is pressed in 31 nozzle of sleeve On, plane bearing 36 and retaining ring 37 are successively set on from bottom to top on flange 351, and lead screw 32 is set in sleeve 31, on lead screw 32 End is fixedly connected with optical axis 33, and the optical axis 33 sequentially passes through positioning sleeve 35, plane bearing 36 and retaining ring 37 and hand from bottom to top Handle 38 is fixedly connected, and a ring flat-plate 331 is fixed on optical axis 33, and a counterbore is offered on retaining ring 37, and the ring flat-plate 331 is located at In the counterbore, nut 34 is mounted on lead screw 32, and sliding block 39 is located at outside sleeve 31, and the sliding block 39 passes through more screws 341 It is connect with the nut 34, each screw 341 is respectively positioned in 31 notch 311 of sleeve.
When using elevating mechanism 3, lead screw 32 can be driven to rotate by handle 38, lead screw 32 drives spiral shell with rotational handle 38 Mother 34 moves up and down, and realizes the lifting to support rod 1, and this elevating mechanism 3 compares for jack, and structure is simpler Single, weight and volume is smaller, operates and transports convenient for construction personnel;Still further aspect, positioning sleeve 35 can play lead screw 32 The effect of positioning, when avoiding rotational lead screw 32, lead screw 32 is shaken;Still further aspect, plane bearing 36 can reduce friction, make silk Thick stick 32 rotates more easily.
The support rod 1 is square hollow pipeline, and each elevating mechanism 3 is connected to support rod 1 one by a flexible square bar 6 End, 6 one end of square bar are connect with sliding block 39, and 6 other end of square bar is inserted in support rod 1.Square bar 6 enables elevating mechanism 3 Independent storage is disassembled, from support rod 1 convenient for being carried and being stored to it;On the other hand, support rod 1 and 6 structure of square bar At a telescopic rod, and then the present apparatus can be allowed to be adapted to different size of well lid 91.
It is equipped with a plurality of guide rail 11 parallel on support rod 1, is connected with multiple pulleys 21 in 2 inner shaft of pipe sleeve, exist in 2 sets of pipe sleeve After in support, each pulley 21 is pressed on each guide rail 11.This structure, which can be convenient, moves left and right pipe sleeve 2.
As shown in figure 4, the hook 4 is connect by a rotation-preventing mechanism 8 with pipe sleeve 2, the rotation-preventing mechanism 8 includes fixing Extension bar 81 in pipe sleeve 2 is fixed with locating piece 82 on extension bar 81, the first face gear 83 is installed on locating piece 82, described First face gear 83 is meshed with second face gear 84, offers through-hole in the middle part of the first face gear 83,4 one end of hook by Under it is supreme pass through through-hole be fixedly connected with the second face gear 84.When hook 4 catches on the movement of well lid 91, hook 4 may rotation And deviate from from dog hole 911, rotation-preventing mechanism 8 can to avoid mobile well lid 91 during link up with 4 rotations.Its operating process are as follows: After hook 4 is inserted into 91 dog hole 911 of well lid by elevating mechanism 3, hook 4 can be lifted slightly upward, the first face is allowed to take turns It is separated with the second face wheel, in rotational hook 4, allows hook 4 that can hook well lid 91;After elevating mechanism 3 lifts well lid 91, by In the gravity of well lid 91 itself, therefore it can guarantee that the second face wheel is pressed in always on the wheel of the first face, and then avoid 4 rotations of hook.
As shown in figure 5, the hook 4 includes upper end and the second face gear 84 is fixedly connected on vertical bar 41,42 middle part of cross bar It is fixedly connected on 41 lower end of vertical bar, driving lever 43 is fixedly connected in the middle part of vertical bar 41.Driving lever 43 can be convenient hook 4 is lifted and Rotation.
Threaded hole is offered on pipe sleeve 2, jackscrew 22 is installed in the threaded hole, jackscrew 22 is resisted against shown support rod On 1.Jackscrew 22 prevents the process pipe sleeve sliding of mobile well lid for fixing pipe sleeve 2.

Claims (6)

1.一种井盖开启装置,其特征在于:包括两根中部相互铰接的支撑杆(1),在支撑杆(1)两端分别连接有一升降机构(3),在各升降机构(3)下端均安装有万向轮(5),在其中的一根支撑杆(1)上安装有两组井盖勾取机构;1. A manhole cover opening device, characterized in that it comprises two supporting rods (1) whose middle parts are hinged to each other, and a lifting mechanism (3) is respectively connected to both ends of the supporting rod (1), and a lower end of each lifting mechanism (3) is connected to each other. All are installed with universal wheels (5), and two sets of manhole cover hooking mechanisms are installed on one of the support rods (1); 所述勾取机构包括套在支撑杆(1)上的管套(2)和连接在管套(2)上的挂钩(4),所述管套(2)可在支撑杆(1)上左右滑动;The hooking mechanism comprises a pipe sleeve (2) sleeved on the support rod (1) and a hook (4) connected to the pipe sleeve (2), and the pipe sleeve (2) can be mounted on the support rod (1). slide left and right; 所述升降机构(3)包括套筒(31)、手柄(38)、丝杠(32)、平面轴承(36)、挡圈(37)、定位套(35)、滑块(39)和螺母(34):套筒(31)下端固定在万向轮(5)上,套筒(31)外壁开设有一条缺口(311),定位套(35)插入在套筒(31)内,定位套(35)上端具有一圈凸缘(351),凸缘(351)压在套筒(31)筒口上,平面轴承(36)和挡圈(37)由下到上依次设置在凸缘(351)上,丝杠(32)设于套筒(31)内,丝杠(32)上端固定连接有光轴(33),所述光轴(33)由下到上依次穿过定位套(35)、平面轴承(36)和挡圈(37)与手柄(38)固定连接,在光轴(33)上固定有一环板(331),在挡圈(37)上开设有一沉孔,所述环板(331)位于所述沉孔内,螺母(34)安装在丝杠(32)上,滑块(39)位于套筒(31)外,所述滑块(39)通过多颗螺丝(341)与所述螺母(34)连接,各个螺丝(341)均位于套筒(31)缺口(311)内。The lifting mechanism (3) includes a sleeve (31), a handle (38), a lead screw (32), a plane bearing (36), a retaining ring (37), a positioning sleeve (35), a slider (39) and a nut (34): The lower end of the sleeve (31) is fixed on the universal wheel (5), a gap (311) is formed on the outer wall of the sleeve (31), and the positioning sleeve (35) is inserted into the sleeve (31). (35) There is a ring of flanges (351) on the upper end, the flanges (351) are pressed on the barrel mouth of the sleeve (31), and the plane bearing (36) and the retaining ring (37) are arranged on the flange (351) sequentially from bottom to top ), the lead screw (32) is arranged in the sleeve (31), the upper end of the lead screw (32) is fixedly connected with an optical axis (33), and the optical axis (33) passes through the positioning sleeve (35) sequentially from bottom to top ), the plane bearing (36) and the retaining ring (37) are fixedly connected with the handle (38), a ring plate (331) is fixed on the optical axis (33), and a countersink (37) is provided on the retaining ring (37). The ring plate (331) is located in the counterbore, the nut (34) is mounted on the lead screw (32), the slider (39) is located outside the sleeve (31), and the slider (39) passes through a plurality of screws ( 341) is connected with the nut (34), and each screw (341) is located in the notch (311) of the sleeve (31). 2.根据权利要求1所述的一种井盖开启装置,其特征在于:所述支撑杆(1)为方形中空管道,各升降机构(3)通过一根伸缩方杆(6)连接在支撑杆(1)一端,方杆(6)一端与滑块(39)连接,方杆(6)另外一端插入在支撑杆(1)内。2 . The manhole cover opening device according to claim 1 , wherein the support rod ( 1 ) is a square hollow pipe, and each lifting mechanism ( 3 ) is connected to the support rod through a telescopic square rod ( 6 ). 3 . (1) One end of the square rod (6) is connected to the slider (39), and the other end of the square rod (6) is inserted into the support rod (1). 3.根据权利要求2所述的一种井盖开启装置,其特征在于:在支撑杆(1)上并行设有多条导轨(11),在管套(2)内轴连接有多个滑轮(21),在管套(2)套在支撑上后,各滑轮(21)压在各条导轨(11)上。3. A manhole cover opening device according to claim 2, characterized in that: a plurality of guide rails (11) are arranged in parallel on the support rod (1), and a plurality of pulleys ( 21), after the sleeve (2) is put on the support, each pulley (21) is pressed on each guide rail (11). 4.根据权利要求3所述的一种井盖开启装置,其特征在于:所述挂钩(4)通过一个防转机构(8)与管套(2)连接,所述防转机构(8)包括固定在管套(2)内的接杆(81),接杆(81)上固定有定位块(82),在定位块(82)上固设有第一面齿轮(83),所述第一面齿轮(83)与一个第二面齿轮(84)相啮合,在第一面齿轮(83)中部开设有通孔,挂钩(4)一端由下至上穿过通孔与第二面齿轮(84)固定连接。4 . The manhole cover opening device according to claim 3 , wherein the hook ( 4 ) is connected to the pipe sleeve ( 2 ) through an anti-rotation mechanism ( 8 ), and the anti-rotation mechanism ( 8 ) comprises: 5 . The connecting rod (81) fixed in the pipe sleeve (2), the positioning block (82) is fixed on the connecting rod (81), and the first surface gear (83) is fixed on the positioning block (82). A surface gear (83) meshes with a second surface gear (84), a through hole is opened in the middle of the first surface gear (83), and one end of the hook (4) passes through the through hole from bottom to top and is connected to the second surface gear (83). 84) Fixed connection. 5.根据权利要求4所述的一种井盖开启装置,其特征在于:所述挂钩(4)包括上端与第二面齿轮(84)固定连接在竖杆(41),横杆(42)中部固定连接在竖杆(41)下端,在竖杆(41)中部固定连接有拨杆(43)。5 . The manhole cover opening device according to claim 4 , wherein the hook ( 4 ) includes an upper end and a second surface gear ( 84 ) that are fixedly connected to the vertical rod ( 41 ), and the middle of the cross rod ( 42 ) is 5 . It is fixedly connected to the lower end of the vertical rod (41), and a lever (43) is fixedly connected to the middle of the vertical rod (41). 6.根据权利要求1所述的一种井盖开启装置,其特征在于:在管套(2)上开设有螺纹孔,在该螺纹孔内安装有顶丝(22),顶丝(22)抵靠在所述 支撑杆(1)上。6. A manhole cover opening device according to claim 1, characterized in that: a threaded hole is opened on the pipe sleeve (2), a jack screw (22) is installed in the threaded hole, and the jack screw (22) pushes against Lean on the support rod (1).
CN201710258214.2A 2017-04-19 2017-04-19 A manhole cover opening device Expired - Fee Related CN106904560B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710258214.2A CN106904560B (en) 2017-04-19 2017-04-19 A manhole cover opening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710258214.2A CN106904560B (en) 2017-04-19 2017-04-19 A manhole cover opening device

Publications (2)

Publication Number Publication Date
CN106904560A CN106904560A (en) 2017-06-30
CN106904560B true CN106904560B (en) 2019-01-22

Family

ID=59210420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710258214.2A Expired - Fee Related CN106904560B (en) 2017-04-19 2017-04-19 A manhole cover opening device

Country Status (1)

Country Link
CN (1) CN106904560B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112875581B (en) * 2020-12-14 2022-09-16 新疆大英建设集团有限公司 Laborsaving removal municipal administration device for well lid
CN112520658A (en) * 2020-12-16 2021-03-19 中建四局贵州投资建设有限公司 Dirty well lid of rain opens instrument
CN112694044A (en) * 2021-02-23 2021-04-23 深圳市深水宝安水务集团有限公司 Auxiliary opening device for well lid
CN113581768A (en) * 2021-07-21 2021-11-02 上海外高桥造船有限公司 Ship cabin push cabin transportation tool and ship cabin push cabin transportation method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219569A (en) * 1988-06-10 1989-12-13 George Anthony Manser The portable engine lifting tripod as engineers tent
DE3802034C2 (en) * 1988-01-25 1990-02-08 Cielker, Werner, 5000 Koeln, De
EP0991822A1 (en) * 1997-06-27 2000-04-12 Jakob Munch-Fals A well cover lifting tool
CN104444940A (en) * 2014-11-06 2015-03-25 北京天润建设有限公司 Well lid lifting and mounting device
CN204549919U (en) * 2015-01-15 2015-08-12 江苏师范大学 Spiral manhole cover lifting machine
CN204981046U (en) * 2015-07-30 2016-01-20 济南汇通联合市政工程有限责任公司 Well lid hoist and mount landing gear
CN105668468A (en) * 2016-03-24 2016-06-15 国网山东省电力公司郓城县供电公司 Hydraulic type cable well lid opening device
CN106395695A (en) * 2015-07-30 2017-02-15 济南汇通联合市政工程有限责任公司 Well lid up-down lifting device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3802034C2 (en) * 1988-01-25 1990-02-08 Cielker, Werner, 5000 Koeln, De
GB2219569A (en) * 1988-06-10 1989-12-13 George Anthony Manser The portable engine lifting tripod as engineers tent
EP0991822A1 (en) * 1997-06-27 2000-04-12 Jakob Munch-Fals A well cover lifting tool
CN104444940A (en) * 2014-11-06 2015-03-25 北京天润建设有限公司 Well lid lifting and mounting device
CN204549919U (en) * 2015-01-15 2015-08-12 江苏师范大学 Spiral manhole cover lifting machine
CN204981046U (en) * 2015-07-30 2016-01-20 济南汇通联合市政工程有限责任公司 Well lid hoist and mount landing gear
CN106395695A (en) * 2015-07-30 2017-02-15 济南汇通联合市政工程有限责任公司 Well lid up-down lifting device
CN105668468A (en) * 2016-03-24 2016-06-15 国网山东省电力公司郓城县供电公司 Hydraulic type cable well lid opening device

Also Published As

Publication number Publication date
CN106904560A (en) 2017-06-30

Similar Documents

Publication Publication Date Title
CN106904560B (en) A manhole cover opening device
CN109779270B (en) A prefabricated column installation device
CN113944363A (en) Ultrahigh chimney barrel and liner synchronous construction platform and method
CN205824538U (en) A kind of portable X-ray image instrument lowering or hoisting gear
CN210917375U (en) A chute device for pouring concrete
CN204675787U (en) A kind of Moveable telescopic inspection platform
CN114655858A (en) A simple lifting device for steel structure bridge installation
CN206486231U (en) One kind construction lift
CN217602635U (en) Tower type oil pumping unit device
CN113353811A (en) Lifting type engineering machinery transfer device
CN209653434U (en) A kind of prefabricated post mounting device convenient for lifting
CN218990827U (en) Scaffolding for construction site
CN115388293B (en) Multifunctional building measuring rack
CN217557663U (en) Frame post template reinforcing apparatus is built in room
CN111058620B (en) A formwork support device for construction
CN112922546B (en) Power soft slurry umbrella
CN209380663U (en) A kind of multifunctional combination drawing horse
CN111003596B (en) An easy-to-use cable rack for cable laying
CN218562396U (en) Template bent convenient to high-efficient construction
CN113371349A (en) Silo cleaning device with eccentric inlet
CN223117976U (en) Fan hoisting protective equipment
CN112960530A (en) Notebook panel beating component hanger for anodic oxidation
CN221424090U (en) A pipeline installation device for water conservancy and hydropower engineering
CN102491227B (en) Be suitable for the cross connecting box jacking system that communication manhole uses
CN217759882U (en) Spiral lifter for mounting and dismounting steel structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190122