CN106121026A - A kind of lifting locking device for concrete road sewer scrubbing - Google Patents
A kind of lifting locking device for concrete road sewer scrubbing Download PDFInfo
- Publication number
- CN106121026A CN106121026A CN201610493479.6A CN201610493479A CN106121026A CN 106121026 A CN106121026 A CN 106121026A CN 201610493479 A CN201610493479 A CN 201610493479A CN 106121026 A CN106121026 A CN 106121026A
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- CN
- China
- Prior art keywords
- lifting
- locking
- jacking block
- sewer
- present
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/002—Cleaning sewer pipes by mechanical means
Abstract
The present invention relates to a kind of lifting locking device for concrete road sewer scrubbing, including upper lifting round platform, by motor cabinet, lifting motor is installed in the middle part of the lower surface of upper lifting round platform, by shaft coupling, elevating screw is installed on the output shaft of lifting motor, the bottom of elevating screw is arranged on lifting support plate by bearing, and it is symmetrically welded with four No. two locating shafts between lifting support plate and upper lifting round platform, by the way of four No. two locating shafts, play the effect of even support lifting support plate；By screw thread, lifting jacking block is installed on described elevating screw, hole, four No. one location it is symmetrically arranged with on lifting jacking block, being equipped with four No. two locating shafts inside hole, four No. one location on lifting jacking block respectively, the effect limiting the lifting jacking block direction of motion is played in hole, four No. one location.The present invention can realize the rigidity lifting locking function in sewer scale removal process, it is not necessary to manual operation.
Description
Technical field
The present invention relates to municipal works field, a kind of elevator lock for concrete road sewer scrubbing
Tight device.
Background technology
Existing highway, municipal highway are broadly divided into cement concrete road, asphalt concrete road, regeneration asphalt
Concrete roads etc. three kinds, on these highways, each hundreds of rice just can be appreciated that and is provided with sewer at so that in the big rainy day etc.
Vile weather get down the highway on will not hydrops, thus ensure the unimpeded traveling of highway, but these sewers be along with making for a long time
With, some foreign material and mud can be accumulated inside sewer, along with these foreign material and increasing of mud will block sewer, lower water
Road once block after rainwater, sewage row do not go out will Yi Shang highway, thus can the traveling of serious vehicular traffic, therefore need
Carrying out clearing up sewer, existing residue in sewer and Treatment of Sludge mode are mainly by rigid support device head
Carrying out manual operation cleaning plus marine salvage equipment and dredging device, operator first passes through the marine salvage equipment in rigid support device
Major part foreign material and mud are salvaged in manual operation, are then being dredged by the dredging device in rigid support device, dredge
Retell the foreign material salvaged after Tong and mud transports process, but sewer is grasped by rigid support device indirect labor
The mode dealt with has the disadvantage in that 1, sewer incredible amount, uses human assistance processing mode to need to expend substantial amounts of
Manpower, and labor intensity is big, sewer cleaning speed is slow, sewer cleaning efficiency is low；2, due to these rigid support device
Being arbitrarily to enter entering inside sewer, the surrounding of equipment does not carry out spacing so that salvages and does not has directivity, operative employee
People repeats to have done a lot of idle works, and during salvaging, equipment is not locked on sewer inwall simultaneously, equipment locking property
Energy is poor, the most serious speed reducing cleaning and efficiency, and these rigid support device do not possess lift adjustment function,
Making the cleaning limited height to sewer, reduce cleaning scope, the scope of application is little.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of lifting for concrete road sewer scrubbing and lock dress
Put, can solve existing sewer rigid support device indirect labor operate manner of cleaning up exist need manual operation, labor
Fatigue resistance is big, cleaning speed is slow, cleaning efficiency low, directional performance is poor, equipment locking property is poor, equipment lift adjustment in cleaning
Energy difference and the inferior difficult problem of inefficiency, it is possible to achieve the rigidity lifting locking function in sewer scale removal process, it is not necessary to artificial
Operation, and speed is fast, cleaning efficiency is high, directional performance is good, equipment locking property is good in cleaning, equipment lifting performance is good to have cleaning
With work efficiency advantages of higher.
To achieve these goals, the present invention realizes by the following technical solutions: a kind of water under concrete road
The lifting locking device of road scrubbing, including upper lifting round platform, is provided with liter by motor cabinet in the middle part of the lower surface of upper lifting round platform
Fall motor, the output shaft of lifting motor is provided with elevating screw by shaft coupling, and the bottom of elevating screw is installed by bearing
On lifting support plate, and it is symmetrically welded with four No. two locating shafts, by four No. two between lifting support plate and upper lifting round platform
The mode of locating shaft plays the effect of even support lifting support plate；By screw thread, lifting jacking block is installed on described elevating screw,
It is symmetrically arranged with hole, four No. one location on lifting jacking block, inside the hole, four No. one location on lifting jacking block, is equipped with four respectively
No. two locating shafts of root, the effect limiting the lifting jacking block direction of motion is played in hole, four No. one location so that lifting jacking block is in lifting
Leading screw carries out stable oscilaltion regulation motion under driving, so that the present invention carries out a lift adjustment, lift jacking block
Lower surface on be symmetrically installed with four No. three hydraulic cylinders, the top of four No. three hydraulic cylinders is provided with locking jacking block, by four
Individual No. three hydraulic cylinders drive locking jacking block to make stable oscilaltion regulation motion so that the present invention can carry out secondary rising-falling tone
Joint, it is achieved thereby that the function that lift adjustment performance of the present invention is good so that the present invention is applicable to the cleaning of different depth sewer,
The scope of application is big, and locking jacking block is square structure, and four sides of locking jacking block are separately installed with four flexible walkings
Chain, when the present invention enters into sewer inside, first according to draw inwall width or diameter, regulation walking length is to stretching
Walking side chain is close on sewer inwall, and four regulated flexible walking side chain is permissible when the present invention carries out lift adjustment
Stable walk on sewer inwall so that the cleaning direction of the present invention be in the middle part of sewer vertically downward, clear up directivity
Can be good, add the cleaning efficiency of the present invention, the lower surface of locking jacking block is symmetrically welded with four fixing locking side chains, locking top
Being welded with locking pillar in the middle part of the lower surface of block, the lower surface of locking pillar is welded with lower lifting round platform, and locking pillar plays and props up
The effect of the lower lifting round platform of support, the lower surface of lower lifting round platform is provided with existing fisher or dredge, by existing fisher
Or the foreign material in sewer and mud are carried out salvaging and dredging sewer by dredge；Described flexible walking side chain includes being arranged on
No. four hydraulic cylinders in locking jacking block corresponding side surface, the middle part of No. four hydraulic cylinders is arranged with support cylinder, the two ends of support cylinder
Being symmetrically welded with two L-type pillars, two L-type pillars are symmetrically welded in the corresponding side surface of locking jacking block, and two L-type pillars lead to
Cross and play support cylinder and play good supporting role；The top of described No. four hydraulic cylinders is provided with a connection method by screw thread
Orchid, an adpting flange is provided with walking support plate by screw, the side of walking support plate is provided with road wheel, by No. four
The walking length of hydraulic cylinder regulation flexible walking side chain, leads to after regulating walking length and makes the present invention in lift adjustment process
In can automatically walk on sewer inwall so that the cleaning direction of the present invention in the middle part of sewer vertical the most down, cleaning side
Good to performance, also make the present invention be applicable to the sewer of different in width or diameter, the scope of application is big, and cleaning effect is good；Institute
Stating fixing locking side chain and include that the L-type being welded on locking jacking block lower surface fixes post, L-type is fixed the end of post and is provided with No. five liquid
Cylinder pressure, the middle part of No. five hydraulic cylinders is arranged on a frame-type support, and frame-type support two ends are arranged on L-type admittedly by screw
The both sides of fixed column；Screw, by being provided with No. two adpting flanges, No. two adpting flanges is passed through in the top of described No. five hydraulic cylinders
Being provided with locking plectane, be welded with cone locking block in the middle part of the side of locking plectane, cone locking block is taper pointed structures, when
The present invention is when locking, and coupling mechanism force concentrates on the pointed structures of cone locking block, and coupling mechanism force is uniform, and locking effect is good, this
The bright locking length by No. five hydraulic cylinder regulation present invention so that the present invention is applicable to the sewer lock of different in width or diameter
Tightly, the scope of application is big.
During work, first the present invention is arranged on existing crane or hoisting machine, by existing crane or rise
The present invention is moved to required scrubbing sewer road by crane, and after position determines, lifting locking device is started working,
First according to the cleaning height of the depth adjustment present invention of required scrubbing sewer, lifting motor is first started working, lifting motor
Drive elevating screw rotates, and elevating screw drives lifting jacking block to make stable once lifting under the auxiliary of four No. two locating shafts
Regulatory function, if a lift adjustment still reaches to, less than required cleaning height, drive lock now by four No. three hydraulic cylinders
Press closer block and make stable secondary lift adjustment motion, lifting motor and No. three hydraulic cylinders when the present invention arrives suitable cleaning height
Quit work, it is achieved thereby that the function that lift adjustment performance of the present invention is good so that the present invention is applicable to different depth sewer
Cleaning, the scope of application is big, and during lift adjustment of the present invention, four flexible walking side chains start simultaneously at work, first root
Width or diameter according to required cleaning sewer determine length of suitably walking, and regulate four by four No. four hydraulic cylinders and stretch
Indention walks the walking length of side chain, leads to the present invention can be existed during lift adjustment automatically after regulating walking length
Walk on sewer inwall, from four direction, the present invention is carried out the most spacing so that the cleaning direction of the present invention is at sewer
Middle part is vertical down, and cleaning directional performance is good, also makes the present invention be applicable to the sewer of different in width or diameter, is suitable for model
Enclose big, when the present invention is after four flexible walking side chains run to properly clear up height, and four fixing locking side chains are started working,
Driving four cone locking blocks to be locked at sewer inwall from four direction by four No. five hydraulic cylinders, coupling mechanism force is uniform,
Locking effect is good so that the present invention is applicable to the sewer locking of different in width or diameter, and the scope of application is big, adds the present invention
Stability during cleaning；Finally descend the existing fisher or dredge that lifting round platform lower surface installs in required scrubbing sewer
Foreign material and mud carry out salvaging and dredge quick sewer, it is not necessary to manual operation, cleaning speed is fast, and cleaning efficiency is high, finally
Achieve the rigidity lifting locking function in sewer scale removal process of the present invention.
The invention has the beneficial effects as follows:
1, the present invention drives lifting jacking block to make a lift adjustment and by four by lifting motor by elevating screw
No. three hydraulic cylinders drive locking jacking block to make the motion of secondary lift adjustment, it is achieved that the function that lift adjustment performance of the present invention is good, make
The present invention is applicable to the cleaning of different depth sewer, the scope of application is big, simultaneously the present invention during lift adjustment four
Flexible walking side chain can be walked automatically on sewer inwall, carries out the most spacing from four direction to the present invention so that this
The cleaning direction of invention is vertical in the middle part of sewer, and down cleaning directional performance is good, and the scope of application is big, and the present invention is by four
No. five hydraulic cylinders drive four cone locking blocks to be locked at sewer inwall from four direction, and coupling mechanism force is uniform, locking effect
Good, the scope of application is big, adds the stability when present invention clears up；
2, the present invention solves existing sewer rigid support device indirect labor and operates the needs that manner of cleaning up exists
Manual operation, labor intensity is big, cleaning speed is slow, cleaning efficiency low, directional performance is poor, equipment locking property is poor in cleaning, set
Standby lift adjustment poor performance and the inferior difficult problem of inefficiency, it is achieved that the rigidity elevator lock in sewer scale removal process of the present invention
Tight function, it is not necessary to manual operation, and speed is fast, cleaning efficiency is high, cleaning directional performance is good, equipment locking property to have cleaning
Good, equipment lifting performance is good and work efficiency advantages of higher.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the full sectional view of the present invention；
Fig. 3 is that the II of Fig. 2 of the present invention is to partial enlarged drawing.
Specific embodiment
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Conjunction is specifically illustrating, and the present invention is expanded on further.
As shown in Figure 1 to Figure 3, a kind of lifting locking device for concrete road sewer scrubbing, including upper lifting
Round platform 71, is provided with lifting motor 72, the output shaft of lifting motor 72 by motor cabinet in the middle part of the lower surface of upper lifting round platform 71
On by shaft coupling, elevating screw 73 is installed, the bottom of elevating screw 73 by bearing be arranged on lifting support plate 74 on, and rise
Four No. two locating shaft 74a it are symmetrically welded with, by four No. two locating shaft 74a's between descending branch plate 74 and upper lifting round platform 71
Mode plays the effect of even support lifting support plate 74；By screw thread, lifting jacking block 75 is installed on described elevating screw 73, rises
It is symmetrically arranged with hole, four No. one location on fall jacking block 75, is equipped with respectively inside the hole, four No. one location on lifting jacking block 75
Four No. two locating shaft 74a, the effect limiting lifting jacking block 75 direction of motion is played in hole, four No. one location so that lifting jacking block
75 carry out stable oscilaltion regulation motion, so that the present invention carries out a rising-falling tone under elevating screw 73 drives
Joint, the lower surface of lifting jacking block 75 is symmetrically installed with four No. three hydraulic cylinders 76, and the top of four No. three hydraulic cylinders 76 is installed
There is locking jacking block 77, drive locking jacking block 77 to make stable oscilaltion regulation motion by four No. three hydraulic cylinders 76 so that
The present invention can carry out secondary lift adjustment, it is achieved thereby that the function that lift adjustment performance of the present invention is good so that the present invention fits
For the cleaning of different depth sewer, the scope of application is big, and locking jacking block 77 is square structure, four sides of locking jacking block 77
Four flexible walking side chains 78 it are separately installed with, when the present invention enters into sewer inside, first according to draw inwall on face
Width or diameter, regulation walking length is close on sewer inwall to flexible walking side chain 78, and four regulated stretch
Walking side chain 78 can be stable when the present invention carries out lift adjustment on sewer inwall walk so that the cleaning of the present invention
Direction be in the middle part of sewer vertically downward, cleaning directional performance is good, adds the cleaning efficiency of the present invention, locking jacking block 77 times
End surface symmetric is welded with four fixing locking side chains 79, is welded with locking pillar 710, locking in the middle part of the lower surface of locking jacking block 77
The lower surface of pillar 710 is welded with lower lifting round platform 711, and locking pillar 710 plays the effect supporting lower lifting round platform 711, under
The lower surface of lifting round platform 711 is provided with existing fisher or dredge, by existing fisher or dredge in sewer
Foreign material and mud carry out salvage and dredging sewer；Described flexible walking side chain 78 includes being arranged on locking jacking block 77 respective side
No. four hydraulic cylinders 781 on face, the middle part of No. four hydraulic cylinders 781 is arranged with support cylinder 782, the two ends pair of support cylinder 782
Claiming to be welded with two L-type pillars 783, two L-type pillars 783 are symmetrically welded in the corresponding side surface of locking jacking block 77, two L-types
Pillar 783 plays good supporting role by playing support cylinder 782；Screw thread is passed through on the top of described No. four hydraulic cylinders 781
A number adpting flange 784 is installed, an adpting flange 784 is provided with walking support plate 785 by screw, support plate 785 of walking
Side on road wheel 786 is installed, by the walking length of No. four hydraulic cylinders 781 regulation flexible walking side chains 78, regulate
Lead to after walking length and the present invention can be walked during lift adjustment automatically on sewer inwall so that the present invention
Vertical in the middle part of sewer the most down cleaning directional performance is good in cleaning direction, also make the present invention be applicable to different in width or
The sewer of diameter, the scope of application is big, and cleaning effect is good；Described fixing locking side chain 79 includes being welded on locking jacking block 77 lower end
The L-type in face fixes post 791, and L-type is fixed the end of post 791 and is provided with No. five hydraulic cylinders 792, the middle part peace of No. five hydraulic cylinders 792
Being contained on a frame-type support 793, frame-type support 793 two ends are arranged on L-type by screw and fix the both sides of post 791；Institute
State the top of No. five hydraulic cylinders 792 by being provided with No. two adpting flanges 794, No. two adpting flanges 794 are installed by screw
Having locking plectane 795, be welded with cone locking block 796 in the middle part of the side of locking plectane 795, cone locking block 796 is conical points
Shape structure, when the present invention is in locking, coupling mechanism force concentrates on the pointed structures of cone locking block 796, and coupling mechanism force is uniform, locking
Effective, the present invention regulates the locking length of the present invention by No. five hydraulic cylinders 792 so that the present invention be applicable to different in width or
The sewer locking of diameter, the scope of application is big.
During work, first the present invention is arranged on existing crane or hoisting machine, by existing crane or rise
The present invention is moved to required scrubbing sewer road by crane, and after position determines, lifting locking device 7 starts work
Making, first according to the cleaning height of the depth adjustment present invention of required scrubbing sewer, lifting motor 72 is first started working, lifting
Motor 72 drives elevating screw 73 to rotate, and elevating screw 73 drives lifting jacking block 75 under the auxiliary of four No. two locating shaft 74a
Make a stable lift adjustment function, if a lift adjustment still reaches to less than required cleaning height, now by four
No. three hydraulic cylinders 76 drive locking jacking block 77 to make stable secondary lift adjustment motion, when the present invention arrives suitable cleaning height
Lifting motor 72 and No. three hydraulic cylinders 76 quit work, it is achieved thereby that the function that lift adjustment performance of the present invention is good so that this
Invention is applicable to the cleaning of different depth sewer, and the scope of application is big, and during lift adjustment of the present invention, four flexible row
Walk side chain 78 and start simultaneously at work, first determine, according to width or the diameter of required cleaning sewer, length of suitably walking, logical
Cross four No. four hydraulic cylinders 781 and regulate the walking length of four flexible walking side chains 78, lead to after regulating walking length and make
The present invention can walk during lift adjustment automatically on sewer inwall, uniformly limits the present invention from four direction
Position so that in the middle part of sewer the most down, cleaning directional performance is good, also makes the present invention be applicable in the cleaning direction of the present invention
Different in width or the sewer of diameter, the scope of application is big, when the present invention runs to suitable clear at four flexible walking side chains 78
After reason height, four fixing locking side chains 79 are started working, and drive four cone locking blocks by four No. five hydraulic cylinders 792
796 are locked at sewer inwall from four direction, and coupling mechanism force is uniform, and locking effect is good so that the present invention is applicable to different wide
The sewer locking of degree or diameter, the scope of application is big, adds the stability when present invention clears up；Finally descend lifting round platform 711
Foreign material in required scrubbing sewer and mud are salvaged and are dredged soon by existing fisher or dredge that lower surface is installed
Speed sewer, it is not necessary to manual operation, cleaning speed is fast, and cleaning efficiency is high, it is achieved that firm in sewer scale removal process of the present invention
Property lifting locking function, solve existing sewer cleaning equipment need manual operation, labor by what labor cleaning's mode existed
Fatigue resistance is big, cleaning speed is slow, cleaning efficiency low, directional performance is poor, equipment locking property is poor, equipment lift adjustment in cleaning
Energy difference and the inferior difficult problem of inefficiency, reached purpose.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.The technical staff of the industry should
Understanding, the present invention is not restricted to the described embodiments, the simply explanation present invention's of the description in above-described embodiment and description
Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these change and change
Enter to both fall within scope of the claimed invention.Claimed scope is by appending claims and equivalent thereof
Define.
Claims (1)
1. the lifting locking device for concrete road sewer scrubbing, it is characterised in that: include lifting round platform
(71), in the middle part of the lower surface of upper lifting round platform (71), by motor cabinet, lifting motor (72) is installed, lifting motor (72) defeated
Being provided with elevating screw (73) by shaft coupling on shaft, the bottom of elevating screw (73) is arranged on lifting support plate by bearing
(74) on, and it is symmetrically welded with four No. two locating shafts (74a) between lifting support plate (74) and upper lifting round platform (71)；Described liter
By screw thread, lifting jacking block (75) is installed in fall leading screw (73), lifting jacking block (75) is symmetrically arranged with four No. one location
Hole, is equipped with four No. two locating shafts (74a) respectively inside the hole, four No. one location in lifting jacking block (75), lifts jacking block
(75) being symmetrically installed with four No. three hydraulic cylinders (76) on lower surface, the top of four No. three hydraulic cylinders (76) is provided with locking
Jacking block (77), locking jacking block (77) is square structure, four sides of locking jacking block (77) is separately installed with four and stretches
Walking side chain (78), the lower surface of locking jacking block (77) is symmetrically welded with four fixing lockings side chain (79), locking jacking block (77)
Lower surface in the middle part of be welded with locking pillar (710), locking pillar (710) lower surface be welded with lower lifting round platform (711)；Institute
State No. four hydraulic cylinders (781) that flexible walking side chain (78) includes being arranged in locking jacking block (77) corresponding side surface, No. four hydraulic pressure
The middle part of cylinder (781) is arranged with support cylinder (782), and the two ends of support cylinder (782) are symmetrically welded with two L-type pillars
(783), two L-type pillars (783) are symmetrically welded in the corresponding side surface of locking jacking block (77)；Described No. four hydraulic cylinders (781)
Top by screw thread, a number adpting flange (784) is installed, on an adpting flange (784) by screw be provided with walking
Plate (785), the side of walking support plate (785) is provided with road wheel (786)；
Described fixing locking side chain (79) includes that the L-type being welded on locking jacking block (77) lower surface fixes post (791), and L-type is fixed
The end of post (791) is provided with No. five hydraulic cylinders (792), and the middle part of No. five hydraulic cylinders (792) is arranged on a frame-type support
(793), on, frame-type support (793) two ends are arranged on L-type by screw and fix the both sides of post (791)；Described No. five hydraulic pressure
The top of cylinder (792), by being provided with No. two adpting flanges (794), No. two adpting flanges (794) is provided with lock by screw
Tight plectane (795), is welded with cone locking block (796) in the middle part of the side of locking plectane (795).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610493479.6A CN106121026B (en) | 2016-06-28 | 2016-06-28 | A kind of lifting locking device for the decontamination of concrete road sewer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610493479.6A CN106121026B (en) | 2016-06-28 | 2016-06-28 | A kind of lifting locking device for the decontamination of concrete road sewer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121026A true CN106121026A (en) | 2016-11-16 |
| CN106121026B CN106121026B (en) | 2018-08-07 |
Family
ID=57284424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610493479.6A Active CN106121026B (en) | 2016-06-28 | 2016-06-28 | A kind of lifting locking device for the decontamination of concrete road sewer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106121026B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910746A (en) * | 2020-07-06 | 2020-11-10 | 五冶集团上海有限公司 | Building water supply and drainage dredging device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040053756A (en) * | 2003-09-06 | 2004-06-24 | 김관태 | Apparatus for excavating sediment in closed conduit |
| CN104912187A (en) * | 2015-06-16 | 2015-09-16 | 安庆市华鑫重工股份有限公司 | Radial locking device special for blowdown grab for sewer |
| CN204826187U (en) * | 2015-06-16 | 2015-12-02 | 安庆市华鑫重工股份有限公司 | Sewer scrubbing grab bucket |
| CN205004879U (en) * | 2015-10-14 | 2016-01-27 | 莆田市远泰工业科技有限公司 | Motor fixing device with adjustable angle |
-
2016
- 2016-06-28 CN CN201610493479.6A patent/CN106121026B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040053756A (en) * | 2003-09-06 | 2004-06-24 | 김관태 | Apparatus for excavating sediment in closed conduit |
| CN104912187A (en) * | 2015-06-16 | 2015-09-16 | 安庆市华鑫重工股份有限公司 | Radial locking device special for blowdown grab for sewer |
| CN204826187U (en) * | 2015-06-16 | 2015-12-02 | 安庆市华鑫重工股份有限公司 | Sewer scrubbing grab bucket |
| CN205004879U (en) * | 2015-10-14 | 2016-01-27 | 莆田市远泰工业科技有限公司 | Motor fixing device with adjustable angle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910746A (en) * | 2020-07-06 | 2020-11-10 | 五冶集团上海有限公司 | Building water supply and drainage dredging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106121026B (en) | 2018-08-07 |
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