CN105731324A - Hydraulic cover lifting device for inspection wells - Google Patents

Hydraulic cover lifting device for inspection wells Download PDF

Info

Publication number
CN105731324A
CN105731324A CN201610152443.1A CN201610152443A CN105731324A CN 105731324 A CN105731324 A CN 105731324A CN 201610152443 A CN201610152443 A CN 201610152443A CN 105731324 A CN105731324 A CN 105731324A
Authority
CN
China
Prior art keywords
rectangular tube
groove
cast
power arm
pillar
Prior art date
Application number
CN201610152443.1A
Other languages
Chinese (zh)
Other versions
CN105731324B (en
Inventor
陈有源
Original Assignee
常熟市藕渠针织机械厂
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 常熟市藕渠针织机械厂 filed Critical 常熟市藕渠针织机械厂
Priority to CN201610152443.1A priority Critical patent/CN105731324B/en
Publication of CN105731324A publication Critical patent/CN105731324A/en
Application granted granted Critical
Publication of CN105731324B publication Critical patent/CN105731324B/en

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
    • B66F19/00Hoisting, lifting, hauling or pushing, not otherwise provided for
    • B66F19/005Lifting devices for manhole covers
    • 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
    • B66F2700/00Lifting apparatus
    • B66F2700/09Other lifting devices

Abstract

The invention discloses a hydraulic cover lifting device for inspection wells. The hydraulic cover lifting device is provided with a rectangular pipe base, a rectangular pipe power arm and a first pin shaft, wherein a first rectangular pipe supporting column and a second rectangular pipe supporting column are welded to the rectangular pipe base; the rectangular pipe power arm is provided with a first long sliding groove, a second long sliding groove, a third long sliding groove, a first half-pipe groove body, a second half-pipe groove body and a third half-pipe groove body, wherein the first half-pipe groove body, the second half-pipe groove body and the third half-pipe groove body can be selectively matched with an outer cylinder of a coupling shaft at the upper parts of weight-grabbing components; the head of a piston rod of a hydraulic component can be contained in the third long sliding groove; a U-shaped hanging bracket is arranged at the upper parts of the weight-grabbing components, and a rotary lifting bar assembly is arranged at the lower parts of the weight-grabbing components; a third pin shaft is in clearance fit with a first hanging bracket pin shaft hole, a lifting bar rotation shaft pin hole and a second hanging bracket pin shaft hole for forming a third revolute pair; a rotary lifting bar rotation shaft is provided with an annular shaft shoulder, and a middle hole of a rotation shaft pressing cap is arranged on the outer circle of the lifting bar rotation shaft in a surrounding mode. According to the device, inspection well covers on roads can be easily lifted through the reasonable combination of the hydraulic structure, the lever structure and the rotary lifting bar assembly.

Description

Hydraulic pressure inspection shaft cover opener

Technical field

The invention belongs to road cellar well and play lid instrument, particularly relate to a kind of hydraulic pressure inspection shaft cover opener.

Background technology

Road cellar well was both paid attention to by municipal engineering construction as communal facility for a long time, but was ignored by most people, and the troublesome poeration in its maintenance is an obvious example.nullVarious inspection well ring made with reinforced concrete structure and inspection well cover thereof has been spread all at avenue and residential quarters,At the beginning of building up,These inspection well covers and circle are all very well-pressed,Cooperate also more proper,But owing to the time one is long,Gap between inspection well cover and inspection well ring is substantially all and allows stone、The rubbish such as earth fill up,And it is very solid,Cause need to inspection shaft in facility maintenance time be difficult to inspection well cover is tripped out,Owing to there is no comparatively ideal lid instrument,The iron staff that operator's often hand-held one end is wedge shape is stuck between inspection well ring and inspection well cover and firmly prizes inspection well cover,The lighter,Prize inspection well cover all can make inspection well cover peripheral structure damage the breach formed one by one every time,Severe one,Operator are owing to cannot go deep into gap by iron staff front end,Just do all one can to ram wherein iron staff,Can with inspection well ring for fulcrum after inspection well cover or inspection well ring form perimeter gap,It is inserted to below inspection well cover periphery and firmly levers up inspection well cover,Owing to such traditional approach method is used repeatedly at large,Originally be handsome and highly esteemed in the people visual field one secondary complete inspection shaft top facility is made to become scarred、Black and blue,Some even cause inspection well cover and inspection well ring cave in so that initiation personnel fall damage,Therefore say,Unreasonable nonstandard starting inspection well cover mode had both affected the safety of pedestrian and vehicle on road,Also have impact on cityscape and view.

Major defect in safeguarding in view of above-mentioned communal facility, applicant in this case's design innovation hydraulic pressure inspection shaft cover opener of being easy to carry and operating.

Summary of the invention

The task of the present invention is: the inspection shaft cover opener that design is created focuses on that volume is little, lightweight, to be suitable to operator carries with, and can with hydraulic structure effortlessly by inspection well cover uniform and stable with inspection well ring separate, this have compared with traditional above-mentioned crow bar make the combination of known technology highlight application on pioneering.

The above-mentioned purpose of the present invention is achieved through the following technical solutions: a kind of hydraulic pressure inspection shaft cover opener, it is characterized in that: be connected with supporting bottom surface at rectangular tube base, it is arranged over pillar faying face at rectangular tube base, pillar faying face is welded with rectangular tube the first pillar and rectangular tube the second pillar abreast;Formed between rectangular tube the first pillar and rectangular tube the second pillar and be available for the activity space that rectangular tube power arm rotates around the first bearing pin;Left end section at rectangular tube power arm is provided with power arm pin shaft hole, offers the first long chute and the second long chute respectively in the two sides of the right-hand member section of rectangular tube power arm;Interlude at rectangular tube power arm is provided with half cast the first groove body, half cast the second groove body and half cast the 3rd groove body;The 3rd long chute of the piston rod head that can be held into hydraulic unit is offered upward in the position, lower surface of rectangular tube power arm;Being provided with U-shaped suspension bracket on the top grabbing heavy parts, bottom is provided with indexable joint hinge assembly;3rd bearing pin is implemented matched in clearance with the first suspension bracket pin shaft hole, joint hinge rotating shaft pin-and-hole and the second suspension bracket pin shaft hole respectively and is formed the 3rd revolute pair;Indexable joint hinge rotating shaft is provided with the ring-type shaft shoulder, and the interstitial hole of rotating shaft pressure cap is enclosed within the cylindrical of joint hinge rotating shaft, and the ring-type shaft shoulder is held into lubricant reservoir;Grab in half cast the first groove body that the outside cylinder of the coupling spindle that heavy parts is provided above can be coordinated on rectangular tube power arm selectively or in half cast the second groove body or in half cast the 3rd groove body.

Wherein, first bearing pin one end after concatenation is that the shaft shoulder is spacing, and the other end coordinates spacing with the first torsion spring latch, and the first bearing pin and the first pillar pin shaft hole, power arm pin shaft hole and the second pillar pin shaft hole form the first revolute pair.

Wherein, the second bearing pin and the first long chute, the second long chute are formed and rotate pair, and the head cylindrical of piston rod and the 3rd long chute form moving sets, and the second bearing pin forms the second revolute pair with piston rod pin axis hole matched in clearance.

Wherein, second bearing pin one end after concatenation is that the shaft shoulder is spacing, and the other end then implements axial limiting with the second torsion spring latch.

Wherein, half cast the first groove body, half cast the second groove body and half cast the 3rd groove body are implemented to weld to connect firmly with rectangular tube power arm respectively.

Wherein, the 3rd bearing pin one end after concatenation is that the shaft shoulder is spacing, and the other end then implements axial limiting with the 3rd torsion spring latch.

Wherein, the lower surface of rotating shaft pressure cap implements to weld to connect firmly with the upper surface of both shoulders coupler body set below it.

Wherein, rectangular tube base, rectangular tube the first pillar, rectangular tube the second pillar and rectangular tube power arm all adopt rectangular tube structural section;Half cast the first groove body, half cast the second groove body, half cast the 3rd groove body and indexable joint hinge rotating shaft all adopt pipe class section bar.

The present invention compared with prior art has the beneficial effect that the reasonable combination adopting hydraulic pressure, lever construction and indexable joint hinge assembly, can easily realize the lid that rises of main public road inspection well cover is operated, and associated structural component adopts rectangular tube and pipe class section bar effectively to alleviate weight and cost.

Accompanying drawing explanation

The accompanying drawing of embodiment illustrates:

The syntagmatic of terrace around embodiment of the present invention hydraulic pressure inspection shaft cover opener and inspection well cover and inspection well cover is shown shown in Fig. 1;

Fig. 2 is the amplification schematic perspective view of the present embodiment;

Fig. 3 is the assembly relation schematic diagram of each parts of the present embodiment;

Fig. 4 is the present embodiment A on Fig. 3 to schematic diagram;

Fig. 5 is the installation relation schematic diagram grabbing heavy parts in the present embodiment;

Fig. 6 is the schematic perspective view grabbing heavy parts in the present embodiment;

Fig. 7 be the present embodiment grab the axial section of indexable joint hinge assembly in heavy parts.

Parts shown in each label of accompanying drawing and relevant geometry element name are as follows:

null1 rectangular tube base,2 support bottom surface,3 pillar faying faces,4 rectangular tube the first pillars,5 rectangular tube the second pillars,6 rectangular tube power arms,7 first bearing pins,8 activity spaces,9 first pillar pin shaft holes,10 power arm pin shaft holes、11 second pillar pin shaft holes,12 first torsion spring latches,13 first revolute pairs,14 first long chutes,15 second long chutes,16 half cast the first groove body,17 half cast the second groove body,18 half cast the 3rd groove body,19 the 3rd long chutes,20 piston rods,21 hydraulic units,22 second bearing pins,23 second torsion spring latches,24 rotate pair,25 moving sets,26 piston rod pin axis holes,27 second revolute pairs,28 grab heavy parts,29U shape suspension bracket,30 indexable joint hinge assemblies,31 the 3rd bearing pins,32 first suspension bracket pin shaft holes,33 joint hinge rotating shaft pin-and-holes,34 second suspension bracket pin shaft holes,35 the 3rd revolute pairs,36 the 3rd torsion spring latches,37 indexable joint hinge rotating shafts,38 rotating shaft pressure caps,39 lubricant reservoirs,40 both shoulders coupler bodies,The 41 ring-type shaft shoulders,42 coupling spindles,43 inspection well covers,Terrace around 44 inspection shafts,45 release valve rods,46 press hand hole.

Detailed description of the invention

The technology of the present invention is further described by the accompanying drawing below in conjunction with embodiment, will assist in public's understanding to this case technology contents and effect, but the description of embodiment is not intended that the restriction to the technical program, and any be only pro forma equivalent transformation done according to this case design is regarded as the category of this case technical scheme.

It is used for the maintenance work to inspection shaft from each accompanying drawing, this novelty the rich creative compound mode by lever, hydraulic structure unusual, there is practicality and considerable economy and social benefit.

First hydraulic pressure inspection shaft cover opener described in the present embodiment considers rectangular tube base 1, rectangular tube the first pillar 4, rectangular tube the second pillar 5 and rectangular tube power arm 6 are all adopted rectangular tube structural section;Half cast the first groove body 16, half cast the second groove body 17, half cast the 3rd groove body 18 and indexable joint hinge rotating shaft 37 all adopt pipe class section bar to make hydraulic pressure inspection shaft cover opener weight light and handy, it is simple to carry.

It is connected with supporting bottom surface 2 at rectangular tube base 1, is arranged over pillar faying face 3 at rectangular tube base 1, pillar faying face 3 is welded with rectangular tube the first pillar 4 and rectangular tube the second pillar 5 abreast;Formed between rectangular tube the first pillar 4 and rectangular tube the second pillar 5 and be available for the activity space 8 that rectangular tube power arm 6 rotates around the first bearing pin 7;First bearing pin 7 one end after concatenation is that the shaft shoulder is spacing, and the other end coordinates spacing with the first torsion spring latch 12, and the first bearing pin 7 and the first pillar pin shaft hole 9, power arm pin shaft hole 10 and the second pillar pin shaft hole 11 form the first revolute pair 13;Left end section at rectangular tube power arm 6 is provided with power arm pin shaft hole 10, offers the first long chute 14 and the second long chute 15 respectively in the two sides of the right-hand member section of rectangular tube power arm 6;Interlude at rectangular tube power arm 6 is provided with half cast the first groove body 16, half cast the second groove body 17 and half cast the 3rd groove body 18;The 3rd long chute 19 of piston rod 20 head that can be held into hydraulic unit 21 is offered upward in the position, lower surface of rectangular tube power arm 6;Second bearing pin 22 and first long chute the 14, second long chute 15 are formed and rotate secondary 24, and the head cylindrical of piston rod 20 and the 3rd long chute 19 form moving sets 25, and the second bearing pin 22 forms the second revolute pair 27 with piston rod pin axis hole 26 matched in clearance;Second bearing pin 22 one end after concatenation is that the shaft shoulder is spacing, and the other end then implements axial limiting with the second torsion spring latch 23;Half cast the first groove body 16, half cast the second groove body 17 and half cast the 3rd groove body 18 are implemented to weld with rectangular tube power arm 6 respectively and are connected firmly;Be provided with U-shaped suspension bracket 29 on the top grabbing heavy parts 28, bottom is provided with indexable joint hinge assembly 30;3rd bearing pin 31 is implemented matched in clearance respectively and is formed the 3rd revolute pair 35 with the first suspension bracket pin shaft hole 32, joint hinge rotating shaft pin-and-hole 33 and the second suspension bracket pin shaft hole 34;The 3rd bearing pin 31 one end after concatenation is that the shaft shoulder is spacing, and the other end then implements axial limiting with the 3rd torsion spring latch 36;Indexable joint hinge rotating shaft 37 is provided with the ring-type shaft shoulder 41, and the interstitial hole of rotating shaft pressure cap 38 is enclosed within the cylindrical of indexable joint hinge rotating shaft 37, and the ring-type shaft shoulder 41 is held into lubricant reservoir 39;The lower surface of rotating shaft pressure cap 38 implements to weld to connect firmly with the upper surface of both shoulders coupler body 40 set below it;Grab in half cast the first groove body 16 that the outside cylinder of the coupling spindle 42 that heavy parts 28 is provided above can be coordinated on rectangular tube power arm 6 selectively or in half cast the second groove body 17 or in half cast the 3rd groove body 18.

The present invention adopts the reasonable combination of hydraulic pressure, lever construction and indexable joint hinge assembly, can easily realize the lid that rises of main public road inspection well cover is operated, and associated structural component adopts rectangular tube and pipe class section bar effectively to alleviate weight and cost.

The embodiment of the present invention is so operation: be held on around suitable inspection shaft on terrace 44 by the bottom surface 2 that supports of the rectangular tube base 1 of hydraulic pressure inspection shaft cover opener, and the suitable position baseplane of hydraulic unit 21 being shelved on around another corresponding inspection shaft of inspection well cover 43 side on terrace 44, the outside cylinder grabbing the coupling spindle 42 that heavy parts 28 is provided above is coordinated in half cast the first groove body 16 on rectangular tube power arm 6 or in half cast the second groove body 17 or in half cast the 3rd groove body 18 selectively, again both shoulders coupler body 40 is put in the rectangle slotted eye in the middle of inspection well cover, by vertical for both shoulders coupler body 40 transposition, the entity making both shoulders coupler body 40 can push up the suitable position of entity below inspection well cover.The release valve rod 45 of hydraulic unit is screwed clockwise, press hand hole 46 with suitable operation handle insertion up and down reciprocatingly to swing, the piston rod of hydraulic unit is risen and is applied on rectangular tube power arm 6 by active force by second bearing pin the 22, first long chute 14 and the second long chute 15, grabs heavy parts 28 and is pulled up inspection well cover thus driving and separates with inspection well ring.

Claims (8)

1. a hydraulic pressure inspection shaft cover opener, it is characterized in that: be connected with supporting bottom surface (2) at rectangular tube base (1), it is arranged over pillar faying face (3) at rectangular tube base (1), pillar faying face (3) is welded with rectangular tube the first pillar (4) and rectangular tube the second pillar (5) abreast;Formed between rectangular tube the first pillar (4) and rectangular tube the second pillar (5) and be available for the activity space (8) that rectangular tube power arm (6) rotates around the first bearing pin (7);Left end section at rectangular tube power arm (6) is provided with power arm pin shaft hole (10), offers the first long chute (14) and the second long chute (15) respectively in the two sides of the right-hand member section of rectangular tube power arm (6);Interlude at rectangular tube power arm (6) is provided with half cast the first groove body (16), half cast the second groove body (17) and half cast the 3rd groove body (18);The 3rd long chute (19) of piston rod (20) head that can be held into hydraulic unit (21) is offered upward in the position, lower surface of rectangular tube power arm (6);Being provided with U-shaped suspension bracket (29) on the top grabbing heavy parts (28), bottom is provided with indexable joint hinge assembly (30);3rd bearing pin (31) is implemented matched in clearance with the first suspension bracket pin shaft hole (32), joint hinge rotating shaft pin-and-hole (33) and the second suspension bracket pin shaft hole (34) respectively and is formed the 3rd revolute pair (35);Indexable joint hinge rotating shaft (37) is provided with the ring-type shaft shoulder (41), the interstitial hole of rotating shaft pressure cap (38) is enclosed within the cylindrical of joint hinge rotating shaft (37), and the ring-type shaft shoulder (41) is held into lubricant reservoir (39);Grab in half cast the first groove body (16) that the outside cylinder of the coupling spindle (42) that heavy parts (28) is provided above can be coordinated on rectangular tube power arm (6) selectively or in half cast the second groove body (17) or in half cast the 3rd groove body (18).
2. a kind of hydraulic pressure inspection shaft cover opener according to claim 1, it is characterized in that: the first bearing pin (7) one end after concatenation is that the shaft shoulder is spacing, the other end coordinates spacing with the first torsion spring latch (12), and the first bearing pin (7) forms the first revolute pair (13) with the first pillar pin shaft hole (9), power arm pin shaft hole (10) and the second pillar pin shaft hole (11).
3. a kind of hydraulic pressure inspection shaft cover opener according to claim 1, it is characterized in that: the second bearing pin (22) is formed with the first long chute (14), the second long chute (15) and rotates pair (24), the head cylindrical of piston rod (20) and the 3rd long chute (19) form moving sets (25), and the second bearing pin (22) forms the second revolute pair (27) with piston rod pin axis hole (26) matched in clearance.
4. a kind of hydraulic pressure inspection shaft cover opener according to claim 1, it is characterised in that: the second bearing pin (22) one end after concatenation is that the shaft shoulder is spacing, and the other end then implements axial limiting with the second torsion spring latch (23).
5. a kind of hydraulic pressure inspection shaft cover opener according to claim 1, it is characterised in that: half cast the first groove body (16), half cast the second groove body (17) and half cast the 3rd groove body (18) are implemented to weld to connect firmly with rectangular tube power arm (6) respectively.
6. a kind of hydraulic pressure inspection shaft cover opener according to claim 1, it is characterised in that: the 3rd bearing pin (31) one end after concatenation is that the shaft shoulder is spacing, and the other end then implements axial limiting with the 3rd torsion spring latch (36).
7. a kind of hydraulic pressure inspection shaft cover opener according to claim 1, it is characterised in that: the lower surface of rotating shaft pressure cap (38) implements to weld to connect firmly with the upper surface of both shoulders coupler body (40) set below it.
8. a kind of hydraulic pressure inspection shaft cover opener according to claim 1, it is characterised in that: rectangular tube base (1), rectangular tube the first pillar (4), rectangular tube the second pillar (5) and rectangular tube power arm (6) all adopt rectangular tube structural section;Half cast the first groove body (16), half cast the second groove body (17), half cast the 3rd groove body (18) and indexable joint hinge rotating shaft (37) all adopt pipe class section bar.
CN201610152443.1A 2016-03-17 2016-03-17 Hydraulic pressure inspection shaft cover opener CN105731324B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610152443.1A CN105731324B (en) 2016-03-17 2016-03-17 Hydraulic pressure inspection shaft cover opener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610152443.1A CN105731324B (en) 2016-03-17 2016-03-17 Hydraulic pressure inspection shaft cover opener

Publications (2)

Publication Number Publication Date
CN105731324A true CN105731324A (en) 2016-07-06
CN105731324B CN105731324B (en) 2017-12-19

Family

ID=56251238

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610152443.1A CN105731324B (en) 2016-03-17 2016-03-17 Hydraulic pressure inspection shaft cover opener

Country Status (1)

Country Link
CN (1) CN105731324B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3861649A (en) * 1974-01-15 1975-01-21 Robert L Mosley Manhole cover lifting device
DE3802034A1 (en) * 1988-01-25 1989-08-03 Werner Cielker Apparatus for moving manhole covers
US5713559A (en) * 1994-02-16 1998-02-03 Mcclarin Manufacturing, Inc. Method and apparatus for installing and removing posts and for lifting heavy objects
JP2000178995A (en) * 1998-12-15 2000-06-27 Hinode Ltd Opening structure for cover of underground structure
CN201520627U (en) * 2009-09-23 2010-07-07 中国电信股份有限公司泉州分公司 Well cover opening device with pair of holes
CN203866002U (en) * 2014-05-10 2014-10-08 国家电网公司 Opener for rusty inspection well cover
CN204173887U (en) * 2014-10-20 2015-02-25 湖南大麓管道工程有限公司 The opening device of hydraulic manhole cover
CN204917885U (en) * 2015-09-10 2015-12-30 冯东雷 Piping shaft opener

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3861649A (en) * 1974-01-15 1975-01-21 Robert L Mosley Manhole cover lifting device
DE3802034A1 (en) * 1988-01-25 1989-08-03 Werner Cielker Apparatus for moving manhole covers
US5713559A (en) * 1994-02-16 1998-02-03 Mcclarin Manufacturing, Inc. Method and apparatus for installing and removing posts and for lifting heavy objects
JP2000178995A (en) * 1998-12-15 2000-06-27 Hinode Ltd Opening structure for cover of underground structure
CN201520627U (en) * 2009-09-23 2010-07-07 中国电信股份有限公司泉州分公司 Well cover opening device with pair of holes
CN203866002U (en) * 2014-05-10 2014-10-08 国家电网公司 Opener for rusty inspection well cover
CN204173887U (en) * 2014-10-20 2015-02-25 湖南大麓管道工程有限公司 The opening device of hydraulic manhole cover
CN204917885U (en) * 2015-09-10 2015-12-30 冯东雷 Piping shaft opener

Also Published As

Publication number Publication date
CN105731324B (en) 2017-12-19

Similar Documents

Publication Publication Date Title
CN203403406U (en) Tool-type spiral expansion head pull and press pile
CN105298207B (en) Power network electric pole sets up Self-loading-unloading tool car and its construction method
CN100434352C (en) Mobile device for movable type heavy vehicle lifter
CN106000527A (en) Environment-friendly construction waste recycling device
CN201416283Y (en) Air parking platform
CN203847038U (en) Drilling wellhead overflow-proof pipe
CN202296423U (en) Automatic lifting and dumping device
CN101691198B (en) Well cover opening device with pair of apertures
CN203269459U (en) Hydraulic jack with stable base
CN201981540U (en) Hole cleaning tool for prefabricated pipe pile
CN203814154U (en) Machine for digging holes during tree planting
CN102713112A (en) Post driver extractor
CN201619972U (en) Caterpillar crane provided with caterpillar type super-hoisting counterweight car
CN107974985A (en) A kind of road construction road cleaning equipment
CN205604035U (en) Concrete embosser with adjustable
CN206985563U (en) A kind of manhole cover hoisting device
CN205772941U (en) A kind of cantilever crane crane
CN206084972U (en) Portable engine roll -over stand
CN102107839A (en) Bottle stopper extraction tool
CN203371479U (en) Universal wheel shaft sleeve assembly tool
CN205399419U (en) Bored concrete pile enlarged footing rams and expands device
CN203161116U (en) Well killing free under-pressure working device
CN205189011U (en) Well cover
CN107414776A (en) A kind of rotatable service creeper car of motor vehicle repair
CN201363153Y (en) Rock level mobile working platform vehicle

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20191217

Address after: Room 207, main office building, No.118 Longxing Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province

Patentee after: Haining Economic Development Industrial Park Development and Construction Co., Ltd

Address before: 215500 Jiangsu province Changshou City Xinqiao village industrial area Changshou City Guri ouqu Knitting Machinery Factory

Patentee before: Changshu Ouqu Knitting Machinery Co., Ltd.

TR01 Transfer of patent right