CN107381339A - A kind of automatic de-, hooking device and its application method based on hydraulic-driven - Google Patents
A kind of automatic de-, hooking device and its application method based on hydraulic-driven Download PDFInfo
- Publication number
- CN107381339A CN107381339A CN201710586223.4A CN201710586223A CN107381339A CN 107381339 A CN107381339 A CN 107381339A CN 201710586223 A CN201710586223 A CN 201710586223A CN 107381339 A CN107381339 A CN 107381339A
- Authority
- CN
- China
- Prior art keywords
- block
- head
- butt joint
- bearing head
- drive ring
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/38—Crane hooks adapted for automatic disengagement from loads on release of cable tensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
Abstract
The present invention provides a kind of automatic de-, hooking device and its application method based on hydraulic-driven, including bearing head is connected with engineering equipment component;Detacher includes hoisting structure, drive ring, block and butt joint;Butt joint is connected with hoisting structure, and drive ring is overlapped on the top of one end of block and drive ring is sheathed on the periphery of butt joint;Bearing head is overlapped on the top of the other end of block, can be smoothly detached when engineering equipment component is put into precalculated position backstop and bearing head, so as to realize being automatically separated for detacher and engineering equipment component;Hydraulic-driven structure is connected with the drive ring in detacher, for providing power source, so as to drive drive ring in the vertical direction to move.Apparatus of the present invention can realize that engineering equipment component automatically disengages, and be easy to the automatically-unhooked of engineering equipment component and hook, can really realize unmanned automation, improve operating efficiency and job security.The application method of the present invention is simple, easy to operate.
Description
Technical field
The invention belongs to engineering component to lift field, more particularly to a kind of automatic de-, hooking device based on hydraulic-driven
And its application method.
Background technology
In engineering component lifting field, it is necessary to which manual operation goes to complete to link up with and break off relations during the equipment of lifting
Work, this makes the safety of staff to ensure to a certain extent, while operating efficiency is low, such as building go
Engineering component lifting in the operation of industry, colliery industry, Underwater Engineering and ocean engineering etc. be present.Particularly work under water
During journey prospecting, the enter water and water outlet of exploration equipment are an indispensable links, and this link is generally required under personnel
The water release that enters that water carries out equipment is connected with water outlet.This traditional manually operated alternative makes the safety of personnel to a certain extent
Cannot it ensure, and location equipment that can not be promptly and accurately enters water and water outlet.Therefore realize that nobody is automatic to entering wetting system
The research of change is necessary.At present on realize exploration equipment nobody dissolve into water automatically in terms of innovation and creation study ratio
Compared with shortage, the use of particularly present underwater exploration equipment is more and more extensive.
Therefore probe into a kind of engineering component lifting field, the automatic de-, hooking device based on hydraulic-driven and method are
Significant.
The content of the invention
The purpose of the present invention is to overcome above-mentioned to need manual operation lifting engineering equipment component link to exist in the prior art
The problem of personal security performance is poor, engineering equipment component position inaccurate etc., there is provided a kind of engineering equipment component is based on
The automatic de-, hooking device and its method of hydraulic-driven.Technical scheme provided by the invention can really realize lifting automation
Purpose.
To achieve these goals, the present invention provides following technical scheme:
A kind of automatic de-, hooking device based on hydraulic-driven, the automatic de-, hook device include:Bearing head, the load-bearing
Head is connected with engineering equipment component;Detacher, the detacher include hoisting structure, drive ring, block and butt joint;It is described right
Joint is connected with the hoisting structure, and the drive ring is overlapped on the top of one end of the block and the drive ring is sheathed on
The periphery of the butt joint;The bearing head is overlapped on the top of the other end of the block, when the engineering equipment component is put
The block can be smoothly detached with the bearing head after entering precalculated position, so as to realize the detacher and the engineering equipment structure
Part is automatically separated;Hydraulic-driven structure, the hydraulic-driven structure are connected with the drive ring in the detacher, are used for
Power source is provided, so as to drive the drive ring in the vertical direction to move.
In the automatic de-, hooking device based on hydraulic-driven as described above, further preferably, the hoisting structure includes
Hoist block and arm;The lower end of the hoist block is connected with the upper end of the arm by bearing pin.
In the automatic de-, hooking device based on hydraulic-driven as described above, further preferably, the hoist block is U-shaped
Structure, the hoist block of the U-shape structure are made up of the left wing's edge, web and right flank edge being sequentially connected;In left wing's edge and described
The middle and upper part of right flank edge, which is provided with, revokes hole, and axle is revoked in the hole of revoking for installation, be easy to crane sling it is described it is automatic de-,
Hooking device;Multiple pin-and-holes are provided with the web of the hoist block of the U-shape structure, are also set in the upper end of the arm
The pin-and-hole corresponding with multiple pin-and-holes on the web is equipped with, is easy to penetrating for bearing pin, for being fixedly connected with the hoist block
With the arm.
In the automatic de-, hooking device based on hydraulic-driven as described above, further preferably, the hydraulic-driven structure
For multiple hydraulic jacks;Multiple oil cylinder seats are welded with the upper outside face of the butt joint;The oil cylinder seat is annular;It is described
Hydraulic jack includes oil cylinder and expansion link, and the oil cylinder is arranged on the oil cylinder seat, and the telescopic direction of the expansion link is perpendicular
To flexible, and the upper end of the expansion link is connected with the oil cylinder, the lower end of the expansion link is connected with the drive ring;It is described
Drive ring is sheathed on the periphery of the butt joint, and has gap between the drive ring and the butt joint, is easy to the driving
Ring can free vertical motion.
In the automatic de-, hooking device based on hydraulic-driven as described above, further preferably, the drive ring is by two
Specification identical semicircular ring forms, and is bolted between two semicircular rings;In the outside of the drive ring
Equally distributed multiple connecting rods are additionally provided with face, the connecting rod is corresponding with the lower end of the expansion link of the hydraulic jack to be connected
Connect.
In the automatic de-, hooking device based on hydraulic-driven as described above, further preferably, the centre of the butt joint
Hollow pipeline is set, and the hollow pipeline is used for penetrating for communication cable and bearing head;In the middle and lower part of the side wall of the butt joint
Place is additionally provided with the multiple block installation through-holes being axisymmetricly distributed, and the block installation through-hole penetrates with the hollow pipeline,
For installing the block;The block is arranged in the butt joint by bearing pin, and the block can be certainly around the bearing pin
By rotating;One end of the block extends to the outside of the butt joint, overlaps and coordinates with the downside of the drive ring;It is described
The other end of block is extended in the hollow pipeline, is overlapped and is coordinated with the bearing head.
In the automatic de-, hooking device based on hydraulic-driven as described above, further preferably, the bearing head is mushroom
Shape structure;The mushroom bearing head by mushroom head and support bar group into;The mushroom head is located at the upper end of the support bar;Institute
It is hollow shape to state mushroom head and the support bar, and the bearing head of the hollow shape is easy to communication cable to pass through;The mushroom head
Downside is overlapped on the upper surface of the other end of the block, and the lower end of the support bar is upper with the engineering equipment component
Portion is connected.
In automatic de-, hooking device based on hydraulic-driven as described above, further preferably, in the side of the butt joint
Vertical side seams being connected with the hollow pipeline and through whole butt joint upper and lower ends are additionally provided with wall, are easy to communication electricity
Cable is penetrated into hollow pipeline from side;Guide head is additionally provided with the butt joint bottom, the guide head can be guided smoothly
Bearing head enters in the hollow pipeline of butt joint, so as to smoothly realize the overlap joint of bearing head and block;The shape of the guide head
It is horn-like for what Open Side Down.
In automatic de-, hooking device based on hydraulic-driven as described above, further preferably, in the upper of the butt joint
Portion opens up fluted, and the lower end that the groove is used for arm is caught in, and arm is fixed in butt joint with bearing pin and arm can be around
Bearing pin rotates;The guide head is made up of two specification identical semicircular rings, is easy to the installation of the guide head;It is described
Hollow pipeline is divided into three sections, and first paragraph pipe shape is that cylinder is poroid;Second segment pipe shape is the mushroom with the bearing head
The shape that head outer shape matches, makes bearing head no longer be moved upwards when being in the position;3rd segment pipe is shaped as cylinder
It is poroid;And the 3rd the diameter of segment pipe be more than the diameter of the first segment pipe, and the maximum outside diameter of bearing head is more than the first segment pipe
Diameter, the diameter less than the 3rd segment pipe.
A kind of automatic de-, application method of hooking device based on hydraulic-driven, including automatically-unhooked as described above
Method and the method for automatic coupling, the automatically-unhooked method comprise the following steps:
1) first the lower end of engineering equipment component and bearing head is connected, by the one end for the communication cable being connected with winch from holding
The bearing head through hole on the top of accent is fastened on engineering equipment component again after passing through;By one end system of the steel wire rope of crane to certainly
Move de-, hooking device revoke on axle;
2) communication cable above bearing head is directly entered in hollow pipeline by the vertical side seam in butt joint side wall,
So that the middle part of bearing head and butt joint is sequentially passed through after communication cable one end connection engineering equipment component of winch again;Use again
Vertical side seam in nylon material closure butt joint;
3) bearing head is located in the hollow pipeline in butt joint, and the mushroom head downside of bearing head is overlapped on the block other end
Upper surface on;
4) the peripheral blending bolt that two semicircle drive rings are set in butt joint connects two semicircle drive rings, drive ring
There is gap between butt joint, be easy to drive ring to do vertical motion along butt joint;And by the connecting rod and hydraulic oil of drive ring
The expansion link of cylinder is connected, for making hydraulic jack driving drive ring do vertical motion;And the downside of drive ring is overlapped on
On the upper surface of one end of block;
5) guide head is installed in the bottom of butt joint;
6) oil cylinder external oil pipe, and sling with crane installed in hoist block revoke axle, engineering equipment component is sling, arrived
Behind precalculated position, hydraulic jack is opened, makes the expansion link of hydraulic jack drive drive ring to do vertical motion;The downside of drive ring
It is overlapped on the upper surface of block one end, the downside of the mushroom head of bearing head is overlapped on the upper surface of the other end of block,
Block is set to do lever motion around bearing pin;Drive ring, which moves down, moves downward one end of block, and the other end of block moves upwards, from
And jack up the bearing head being overlapped on the block other end;Drive ring continues to move down and pushes one end of block, the other end of block
Continue to rise, after making the bearing head in the hollow pipeline of butt joint with block depart from, bearing head sinks, and realizes bearing head and block
Unhook so that engineering equipment component separates with automatic de-, hooking device;
, it is necessary to take off automatically, hooking device and engineering equipment component are realized when engineering equipment component needs to link up with again after breaking off relations
Automatic coupling, the method for the automatic coupling comprise the following steps:Detacher to the top of bearing head, decentralization is sling with crane to break off relations
Device, detacher is set to be snapped down to along communication cable and in the presence of own wt at bearing head, bearing head passes through butt joint bottom
The guide head of setting is slipped into the hollow pipeline of butt joint;This automatically take off, hooking device due to own wt cause bearing head to
The upper part for jacking up block and extending in hollow pipeline, makes block be rotated around bearing pin, and then rise to the mushroom head of bearing head
The top of block;After block is reset to horizontal level, the downside of mushroom head is overlapped on the upper surface of block, makes block with holding
Accent overlaps again, realizes the automatic coupling of bearing head and block so that crane slings engineering equipment component.
Compared with immediate prior art, technical scheme provided by the invention has following excellent effect:
Automatic de-, hooking device provided by the invention based on hydraulic-driven, can realize that engineering equipment component takes off automatically
From being easy to hook and the unhook of engineering equipment component, can really realize unmanned automation, improve operating efficiency and work safety
Property.Apparatus structure provided by the invention is simple, easy to operate, service life length, can widely be promoted the use of.The present invention carries
The application method of confession is simple to operation.
Brief description of the drawings
Fig. 1 is provided in an embodiment of the present invention a kind of automatic de-, hooking device integrally-built based on hydraulic-driven
Sectional view;
Fig. 2 be block provided in an embodiment of the present invention dimensional structure diagram (left side is front view, and right side is side view
Figure);
Fig. 3 is the structural representation of block provided in an embodiment of the present invention and bearing head overlap joint;
Fig. 4 is the top view in Fig. 3;
Fig. 5 is the structural representation of block provided in an embodiment of the present invention and drive ring overlap joint;
Fig. 6 is the top view in Fig. 5;
In figure:1- butt joints;111- grooves;112- hollow pipelines;113- block mounting holes;2- drive rings;201- connections
Bar;202- bolts;203- bolts hole;3- guide heads;4- blocks;401- circular holes;5- oil cylinder seats;501- expansion links;6- oil cylinders;7-
Arm;8- hoist blocks;9- revokes axle;10- bearing heads;101- bearing head through holes;102- support bars;11- bearing pins.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is general based on the embodiment in the present invention, this area
The every other embodiment that logical technical staff is obtained, belongs to the scope of protection of the invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention can be mutually combined.
In the description of the invention, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " top ", " bottom " or position relationship are based on orientation shown in the drawings or position relationship, are only
For the ease of the description present invention rather than require that the present invention must be therefore it is not intended that right with specific azimuth configuration and operation
The limitation of the present invention.The term " connected " that is used in the present invention, " connection " should be interpreted broadly, for example, it may be fixedly connected,
Can also be detachably connected;Can be joined directly together, can also be indirectly connected by intermediate member, for the common of this area
For technical staff, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Fig. 1~Fig. 6, the embodiments of the invention provide a kind of engineering equipment component based on the automatic of hydraulic-driven
De-, hooking device.This takes off automatically, hook device includes:Bearing head 10, bearing head 10 are connected with engineering equipment component;Detacher, take off
Hook device includes hoisting structure, drive ring 2, block 4 and butt joint 1;Butt joint 1 is connected with hoisting structure, and drive ring 2 is overlapped on gear
The top of one end of block 4 and drive ring 2 are sheathed on the periphery of butt joint 1;Bearing head 10 is overlapped on the upper of the other end of block 4
Side, can be smoothly detached when engineering equipment component is put into underwater precalculated position backstop 4 and bearing head 10, so as to realize detacher and
Engineering equipment component is automatically separated;Hydraulic-driven structure, hydraulic-driven structure are connected with the drive ring 2 in detacher, are used for
Power source is provided, so as to drive the in the vertical direction of drive ring 2 to move.
The automatic de-, hooking device based on hydraulic-driven that the present embodiment provides can be applied in all inconvenient artificial behaviour
In the occasion link up with, to break off relations, such as the operation of building trade, colliery industry, Underwater Engineering and ocean engineering etc..For this reality
The application field of example is applied, this is not limited by the present invention.
In the specific embodiment of the present invention, it is preferable that engineering equipment component is underwater exploration equipment.Bearing head 10 connects
It is connected in exploration equipment main body, for mutually being overlapped with block 4, control detacher separation.10 main load-bearing of bearing head prospecting is set
This standby body weight, and overlapped by the block 4 and detacher of detacher.
In a particular embodiment of the present invention, hoisting structure includes hoist block 8 and arm 7;The lower end of hoist block 8 and arm
7 upper end is connected by bearing pin 11.Preferably, hoist block 8 is U-shape structure, and the hoist block 8 of the U-shape structure is by being sequentially connected
Left wing's edge, web and right flank edge composition;It is provided with the middle and upper part of left wing's edge and right flank edge and revokes hole, is revoked hole and be used to pacify
Dress revokes axle 9, is easy to crane to be connected to by steel wire rope and revokes on axle to sling automatic de-, hooking device;In U-shape structure
Multiple pin-and-holes are provided with the web of hoist block 8, are also equipped with the upper end of arm 7 corresponding with multiple pin-and-holes on web
Pin-and-hole, it is easy to penetrating for bearing pin 11, for being fixedly connected with hoist block 8 and arm 7.Preferably, the number of arm 7 is two,
Two arms 7 are close to the lateral surface of hoist block 8 of U-shape structure respectively.More preferably, two arms 7 pass through two horizontal strokes with hoist block 8
It is fixedly connected to the axle 9 of revoking for penetrating arm 7 and hoist block 8.More preferably, opened up on the top of butt joint 1 fluted
111, the lower end that the groove 111 is used for arm 7 is caught in, and arm 7 is fixed in butt joint 1 with bearing pin 11 and arm 7 can be around
Bearing pin 11 rotates.The present embodiment connects arm 7 and butt joint 1 using bearing pin 11, is in order to which arm 7 can be rocked, because just
Exploration equipment typically weighs several under ordinary water, is fixedly connected with (such as welding) etc. so any during lifting and is likely to pair
Detacher produces infringement, therefore the present embodiment is using movable connection.Preferably, the number of groove 111 is 2, the number of arm 7
For 2, the lower ends of 2 arms 7 be respectively clamped into butt joint 1 with 7 corresponding 2 grooves 111 of arm.
In a particular embodiment of the present invention, it is preferable that hydraulic-driven structure is multiple hydraulic jacks 6.In butt joint 1
Multiple oil cylinder seats 5 are welded with upper outside face.The oil cylinder seat 5 is annular;The side of the oil cylinder seat 5 of annular is welded on butt joint
On 1, it is used for installation oil cylinder 6 among annular;Preferably, two oil cylinder seats 5 are provided with the side of butt joint 1, the two oil
Cylinder seat 5 is axisymmetricly distributed.Hydraulic jack 6 includes oil cylinder 6 and expansion link 501, and hydraulic jack 6 is through oil cylinder seat 5 and fixes, under
Side is connected with drive ring 2, and controls drive ring 2 to move.The external oil pipe of oil cylinder 6, and one end of oil pipe is connected with this with hydraulic pump
Control oil pressure.Oil cylinder 6 is arranged on oil cylinder seat 5, and the telescopic direction of expansion link 501 is vertical flexible, and the upper end of expansion link 501
It is connected with oil cylinder 6, the lower end of expansion link 501 is connected with drive ring 2;Drive ring 2 is sheathed on the periphery of butt joint 1, and drive ring 2
There is gap between butt joint 1, be easy to drive ring 2 can free vertical motion.
In order that drive ring 2 is easy for installation, drive ring 2 is arranged to be made up of two specification identical semicircular rings,
And connected between two semicircular rings by bolt 202.The drive ring 2 is placed on the periphery of butt joint 1, makees vertical motion.Driving
Equally distributed multiple connecting rods 201 are additionally provided with the lateral surface of ring 2, multiple connecting rods 201 are stretched with the multiple of hydraulic jack 6
The lower end of contracting bar 501 is corresponding to be connected.Preferably, bolt hole 203 is both provided with each connecting rod 201, connecting rod 201 is with stretching
Bar 501 is connected by bolt 202.More preferably, the number of connecting rod 201 is 2, two place rectilinear(-al)s of connecting rod 201
Angle be 180 °.Equally distributed multiple blocks 4 are provided with the downside of drive ring 2;Multiple blocks 4 and drive ring 2
Between be by pin connection.
In a particular embodiment of the present invention, the middle of butt joint 1 sets hollow pipeline 112, and the hollow pipeline 112 is used for
Communication cable (hawser) and bearing head 10 penetrate.Preferably, the aperture of hollow pipeline 112 tapers into from top to bottom.It is excellent again
Selection of land, hollow pipeline 112 divide for three sections, and first paragraph pipe shape is that cylinder is poroid;Second segment pipe shape be and bearing head 10
The shape that matches of mushroom head outer shape, bearing head 10 is no longer moved upwards when being in the position;3rd segment pipe shape
Shape is that cylinder is poroid;And the 3rd the diameter of segment pipe be more than the diameter of the first segment pipe, and the maximum outside diameter of bearing head 10 is more than
The diameter of first segment pipe, the diameter less than the 3rd segment pipe.
In a particular embodiment of the present invention, block mounting hole is additionally provided with the middle and lower part of the side wall of butt joint 1
113, block mounting hole 113 penetrates with hollow pipeline 112, for installing block 4.Preferably, block mounting hole 113 is square,
And the size of block mounting hole 113 is set according to the size of block 4, meet that block 4 can be in block mounting hole 113
Freely rotate.Block 4 is arranged in butt joint 1 by bearing pin 11, and block 4 can be rotated freely around bearing pin 11;One end of block 4
The outside of butt joint 1 is extended to, overlaps and coordinates with the downside of drive ring 2;The other end of block 4 extends to hollow pipeline 112
It is interior, overlap and coordinate with bearing head 10.
In a particular embodiment of the present invention, it is further preferred that the number of oil cylinder seat 5 is 2, oil cylinder 6 is 2, stretched
Contracting bar 501 is that the number of expansion link 501 on 2 drive rings 2 is 2.Preferably, drive ring 2 is circle;Preferably, block 4
Number is 3, and 3 blocks 4 are axisymmetricly distributed that (i.e. three blocks 4 are respectively distributed on drive ring 2 120 °, 240 ° and 360 °
Opening position).The block 4 is used for the separation for controlling detacher and bearing head 10.
In another specific embodiment of the present invention, guide head 3 is additionally provided with the bottom of butt joint 1, guide head 3 can be suitable
Profit guiding bearing head 10 enters in the hollow pipeline 112 of butt joint 1, so as to smoothly realize the overlap joint of bearing head 10 and block 4;Lead
To first 3 be shaped as that Open Side Down it is horn-like, be easy to bearing head 10 smoothly to slip into guide head 3 and then enter hollow pipeline
In 112, play a part of guide-localization.Preferably, guide head 3 is made up of two specification identical semicircular rings, be easy to by
The installation of guide head 3.It is that need not use guide head 3 that engineering equipment component, which enters during water breaks off relations, in the present embodiment, is oriented to
First 3 are mainly used in the process of engineering equipment component water outlet hook.After engineering equipment component enters water, the automatic de-, extension of the present embodiment
Hook device is tied down by outer wires rope, and after unhook, only bearing head 10 is dived into the deep water together with engineering equipment component.Engineering equipment
During component water outlet, detacher is sling to the top of bearing head with the steel wire rope of crane, detacher is transferred, makes detacher along communication electricity
Cable is simultaneously snapped down at bearing head in the presence of own wt, and communication cable is through bearing head 10 and this automatic de-, hook dress
Put, now bearing head 10 must be inserted by bottom inside automatic de-, hooking device butt joint 1, in engineering equipment structure
Part, because automatic de-, hooking device itself has deadweight, can also cause block 4 and the load-bearing of inside by it is further proposed that during the water surface
First 10 overlap joint.Guide head 3 is arranged to two semicircles, and guiding is assembled again after communication cable loads automatic de-, hooking device
First 3, guide head 3 is designed to (such as horn-like) of downwardly open expanding, it is therefore an objective in the case where hawser rocks, can also cause
The mushroom head of bearing head 10 is slipped into the inner hollow pipeline 112 of butt joint 1 along bottom bevel.If without bottom guide head 3,
Bearing head 10 will be directly entered in the hollow pipeline 112 of butt joint 1, then be difficult to ensure load-bearing in the case where hawser rocks
First 10 can smoothly insert in hollow pipeline 112.
In a particular embodiment of the present invention, bearing head 10 is mushroom-shaped structure;The mushroom bearing head 10 is by mushroom
Head and support bar 102 form.Mushroom head is located at the upper end of support bar 102;Mushroom head and support bar 102 are hollow shape, the sky
The bearing head 10 of heart shaped is easy to communication cable to pass through.The middle part of bearing head 10 is provided with bearing head through hole 101, the bearing head through hole
101 run through whole mushroom head and support bar 102.The downside of mushroom head is overlapped on the upper surface of the other end of block 4, support
The lower end of bar 102 is connected with the top of engineering equipment component.The upside of bearing head 10 is mushroom-head shape, convenient to be kept off with 3
Block 4 overlaps, and downside is the convenient fixed engineering element of installation of support bar 102.Preferably, support bar 102 is inverted Y-shaped shape,
One end of bifurcated is connected by bearing pin 11 with engineering equipment component.The present embodiment is not construed as limiting to the shape of support bar 102, as long as
The top for ensureing bearing head 10 is mushroom-head shape.
In a particular embodiment of the present invention, it is further preferred that being additionally provided with the side wall of butt joint 1 and hollow tube
Vertical side seam that is that road 112 is connected and running through the whole upper and lower ends of butt joint 1, is easy to communication cable to penetrate into hollow tube from side
In road 112.After communication cable is passed through into detacher, then with nylon material vertical side seam is blocked, and fixed with bearing pin 11, is easy to
Dismounting, also for fixed communication cable (hawser), prevent communication cable skids off from coming.Device in technical scheme is very
All it is using two halves round type design (such as drive ring 2, guide head 3), main reason is that the communication cable one of normal loop wheel machine more
As very long and both ends all connected completions, containing important materials such as pipeline, optical fiber inside communication cable, so communication is electric
Cable can not be cut off, it is necessary to penetrated detacher from side and entered in the hollow pipeline 112 in butt joint 1.
As shown in Fig. 2 being the structural representation of the block 4 in the embodiment of the present invention, block 4 of the invention is conventional opens
Pole, the present embodiment are not construed as limiting to the structure of block 4.Two sides of block 4 are provided with circular hole 401, and the circular hole 401 passes through
Lead to whole block 4.Bearing pin 11 is through the block mounting hole 113 being fixed on after the circular hole 401 on block 4 in the side wall of butt joint 1
Interior, block 4 can rotate around bearing pin 11, be that the both ends of block 4 can overlap the Item Weight pushed according to top similar to seesaw
Do lever motion.Drive ring 2 pushes holding on the controllable other end of block 4 in one end of block 4 in the inventive solutions
Accent 10 separates with block 4.For popular, block 4 is similar to the seesaw of a balance, and one is drive ring 2, and one is in addition
Bearing head 10, this head of drive ring 2 press against downwards block 4, and a bearing head 10, which is naturally also just lifted, in addition comes, block 4
Lift to certain altitude bearing head 10 also just to break off relations, after unhook, bearing head 10 and engineering equipment component sink under water.Such as
Shown in Fig. 1, block 4 is integrally fixed at block mounting hole, it is preferable that three blocks 4 are distributed into axial symmetry.Block 4 and load-bearing
First 10 are not fixedly connected, and the mushroom head of the upside of (as shown in Figure 3) bearing head 10 is only to ride over block 4 under hook status
On upper surface.After bearing head 10 breaks off relations, if necessary to link up with again, it is only necessary to which bearing head 10 is inserted into the hollow of butt joint 1
In pipeline 112, when bearing head 10 pushes up from the bottom up, block 4 can naturally also rotate around bearing pin 11, when the mushroom of bearing head 10
Completely into after at the second segment pipe of hollow pipeline 112, block 4 can also reset to be in a horizontal position head, it will completes again
The overlap joint of block 4 and bearing head 10, this is also the principle of automatic coupling.
In a particular embodiment of the present invention, communication cable is to underwater exploration equipment powered communication, it is impossible to as holding
Weight hawser.Preferably, communication cable and oil pipe are transferred by the effect of a head sheave.More preferably, the one of communication cable
End is the winch being connected, and the other end is the underwater exploration equipment of connection;One end of oil pipe is connection oil cylinder, and the other end is connection
Fixed hydraulic pump.In addition, being connected during crane by steel wire rope (load-bearing effect), this is automatic de-, hooking device, steel wire rope
One end is connected on crane, the other end be connected to it is automatic de-, hooking device revoke on axle, for lifting by crane automatic de-, hook dress
Put and underwater exploration equipment.
In a particular embodiment of the present invention, detacher and bearing head 10 are 316 stainless steels.Guide head 3 is nylon material
Material.
In order to which technical scheme is described in further detail, specific embodiment of the invention also provides one kind and is based on liquid
The automatic de-, application method of hooking device of pressure driving, including automatically-unhooked method and the method for automatic coupling.
Automatically-unhooked method in the specific embodiment of the invention comprises the following steps:
1) when water is on the ground before under engineering equipment component, first the lower end of engineering equipment component and bearing head 10 is connected
Connect, fasten after one end of the communication cable of winch is passed through from the bearing head through hole 101 on the top of bearing head 10 and set in engineering again
On standby component, the other end of communication cable is connected with fixed winch;What it is by the steel wire rope of crane is to automatic de-, hook dress
That puts revokes on axle;
2) by the communication cable (part for not penetrating bearing head 10) of the top of bearing head 10 directly by the side wall of butt joint 1
Vertical side seam enter in hollow pipeline 112 so that after communication cable one end connection engineering equipment component of winch again successively
Through bearing head 10 and the middle part of butt joint 1;Again with the vertical side seam in nylon material closure butt joint 1;(pass through bolt 202
Nylon material is fixed in butt joint 1)
3) bearing head 10 is located in the hollow pipeline 112 in butt joint 1, and the mushroom head downside of bearing head 10 is overlapped on gear
On the upper surface of the other end of block 4;(now, bearing head 10 overlaps with block 4, is balance when being then put into through crane lifting in water
's.)
4) the peripheral blending bolt 202 that two semicircle drive rings 2 are set in butt joint 1 connects two semicircle drive rings 2,
There is gap between drive ring 2 and butt joint 1, be easy to drive ring 2 to do vertical motion along butt joint 1;And by the connection of drive ring 2
Bar 201 is connected with the expansion link 501 of hydraulic jack 6, for making hydraulic jack 6 drive drive ring 2 to do vertical motion;And it will drive
The downside of rotating ring 2 is overlapped on the upper surface of one end of block 4;
5) guide head 3 is installed in the bottom of butt joint 1;
6) external oil pipe of oil cylinder 6, and sling with crane installed in hoist block 8 revoke axle 9, engineering equipment component is sling
Enter water, to after underwater precalculated position, open hydraulic jack 6, make the expansion link 501 of hydraulic jack 6 drive drive ring 2 to do vertical fortune
It is dynamic;The downside of drive ring 2 is overlapped on the upper surface of the one end of block 4, and the downside of the mushroom head of bearing head 10 is overlapped on gear
On the upper surface of the other end of block 4, block 4 is set to do lever motion around bearing pin 11;Drive ring 2, which moves down, makes one end of block 4 (outer
Side) move downward, the other end (inner side) of block 4 moves upwards, so as to jack up the bearing head being overlapped on the other end of block 4
10;Drive ring 2 continues to move down and pushes one end of block 4, and the other end of block 4 continues to rise, and makes the hollow pipeline of butt joint 1
After bearing head 10 in 112 departs from block 4, bearing head 10 sinks, and realizes the unhook of bearing head 10 and block 4 so that engineering
Element of installation separates with automatic de-, hooking device;After engineering equipment component breaks off relations, the automatic de-, hooking device continues to hang
On the steel wire rope of crane, and it is in close to the position of the water surface, to facilitate underwater exploration equipment to be moved in water.
In the specific embodiment of the invention, engineering equipment component is needed during water outlet again, it is necessary to take off automatically, hooking device after entering water
Automatic coupling is realized with engineering equipment component, the method for the automatic coupling comprises the following steps:Detacher is slowly sling with crane
To the top of bearing head 10, detacher is transferred, detacher is snapped down to load-bearing along communication cable and in the presence of own wt
At head, the guide head 3 that bearing head 10 is set by the bottom of butt joint 1 is slipped into the hollow pipeline 112 of butt joint 1;This automatically take off,
Hooking device makes block because own wt causes bearing head 10 to jack up the part that block 4 is extended in hollow pipeline 112 upwards
4 rotate around bearing pin 11, and then the mushroom head of bearing head 10 is risen to the top of block;After block 4 is reset to horizontal level, mushroom
The downside of mushroom head is overlapped on the upper surface of block, block 4 is overlapped again with bearing head 10, realizes bearing head 10 and block
4 automatic coupling is so that crane is sling above engineering equipment component to the water surface.Detacher in the present embodiment is to rely on itself
Action of Gravity Field is completed to dock with bearing head, realizes hook.
In a particular embodiment of the present invention, automatic de-, hooking device is not install drive ring 2 and guide head 3 at the beginning
, wait hawser to install, vertical edges seam it is stifled good after drive ring 2 and guide head 3 are installed again, this is also drive ring 2 and guide head 3
The reason for making two semicircular rings, assembled again after communication cable penetrates for convenience.
In the specific implementation of the present invention, after bearing head 10 breaks off relations, the automatic de-, hooking device is fastened by outer wires rope
Firmly, the engineering equipment component of communication cable connection pulls the plug.When engineering equipment component needs water outlet, loop wheel machine directly lifts by crane unhook
Device so that the bearing head 10 of engineering equipment member upper overlaps with block 4, together lifting disembarkation, and communication cable is important cable
Line, can not cut off, thus many parts of the present apparatus be designed to two semicircular rings (such as drive ring 2 and guide head 3) be in order to
Ease of assembly.
In the another specific embodiment of the present invention, the automatic de-, hooking device can be applied in building trade, colliery
Industry etc. is not in the environment of Underwater Engineering operation, is applied in hoisting component operation on land in the present embodiment,
Crane is needed to lift by crane detacher by steel wire rope.Technical staff can make appropriate change according to different application environments,
The automatic de-, hooking device of the present invention is set to receive rational application, the present invention is to automatic de-, hooking device the application form
It is not construed as limiting.The method of the apparatus structure of the present embodiment, automatically-unhooked method and automatic coupling lifts with engineering under water
When it is consistent, will not be repeated here.
In summary, the technique effect that technical scheme reaches is as follows:
Automatic de-, hooking device provided by the invention based on hydraulic-driven, can realize that engineering equipment component takes off automatically
From being easy to hook and the unhook of engineering equipment component, can really realize unmanned automation, improve operating efficiency and work safety
Property.Apparatus structure provided by the invention is simple, easy to operate, service life length, can widely be promoted the use of.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God and principle within, any modification, equivalent substitution and improvements made etc., accompanying claims protection domain of the present invention it
It is interior.
Claims (10)
1. a kind of automatic de-, hooking device based on hydraulic-driven, it is characterised in that the automatic de-, hook device includes:
Bearing head, the bearing head are connected with engineering equipment component;
Detacher, the detacher include hoisting structure, drive ring, block and butt joint;The butt joint is tied with the lifting
Structure connects, and the drive ring is overlapped on the top of one end of the block and the drive ring is sheathed on the outer of the butt joint
Enclose;The bearing head is overlapped on the top of the other end of the block, when engineering equipment component after that is put into precalculated position institute
Stating block and the bearing head can be smoothly detached, so as to realize being automatically separated for the detacher and the engineering equipment component;
Hydraulic-driven structure, the hydraulic-driven structure is connected with the drive ring in the detacher, for providing power
Source, so as to drive the drive ring in the vertical direction to move.
2. the automatic de-, hooking device based on hydraulic-driven as claimed in claim 1, it is characterised in that the hoisting structure
Including hoist block and arm;
The lower end of the hoist block is connected with the upper end of the arm by bearing pin.
3. the automatic de-, hooking device based on hydraulic-driven as claimed in claim 2, it is characterised in that the hoist block is U
Type structure, the hoist block of the U-shape structure are made up of the left wing's edge, web and right flank edge being sequentially connected;In left wing's edge and institute
The middle and upper part for stating right flank edge is provided with and revokes hole, and axle is revoked in the hole of revoking for installation, is easy to crane to connect by steel wire rope
It is connected to and revokes on axle and then sling the automatic de-, hooking device;
Multiple pin-and-holes are provided with the web of the hoist block of the U-shape structure, are also equipped with the upper end of the arm
The pin-and-hole corresponding with multiple pin-and-holes on the web, is easy to penetrating for bearing pin, for being fixedly connected with the hoist block and institute
State arm.
4. the automatic de-, hooking device based on hydraulic-driven as claimed in claim 1, it is characterised in that the hydraulic-driven
Structure is multiple hydraulic jacks;
Multiple oil cylinder seats are welded with the upper outside face of the butt joint;The oil cylinder seat is annular;
The hydraulic jack includes oil cylinder and expansion link, and the oil cylinder is arranged on the oil cylinder seat, and the expansion link stretches
Direction is vertical flexible, and the upper end of the expansion link is connected with the oil cylinder, the lower end of the expansion link and the drive ring
Connection;The drive ring is sheathed on the periphery of the butt joint, and has gap between the drive ring and the butt joint, is easy to
The drive ring can free vertical motion.
5. automatic de-, hooking device based on hydraulic-driven as claimed in claim 4, it is characterised in that the drive ring by
Two specification identical semicircular ring compositions, and be bolted between two semicircular rings;In the drive ring
Equally distributed multiple connecting rods, the connecting rod and the lower end pair of the expansion link of the hydraulic jack are additionally provided with lateral surface
It should connect.
6. the automatic de-, hooking device based on hydraulic-driven as claimed in claim 1, it is characterised in that the butt joint
Centre sets hollow pipeline, and the hollow pipeline is used for penetrating for communication cable and bearing head;
The multiple block installation through-holes being axisymmetricly distributed, the gear are additionally provided with the middle and lower part of the side wall of the butt joint
Block installation through-hole penetrates with the hollow pipeline, for installing the block;The block is arranged on the docking by bearing pin
On head, and the block can be rotated freely around the bearing pin;One end of the block extends to the outside of the butt joint, with institute
The downside overlap joint for stating drive ring coordinates;The other end of the block is extended in the hollow pipeline, is taken with the bearing head
Connect cooperation.
7. the automatic de-, hooking device based on hydraulic-driven as claimed in claim 6, it is characterised in that
The bearing head is mushroom-shaped structure;The mushroom bearing head by mushroom head and support bar group into;
The mushroom head is located at the upper end of the support bar;The mushroom head and the support bar are hollow shape, the hollow shape
Bearing head be easy to communication cable to pass through;The downside of the mushroom head is overlapped on the upper surface of the other end of the block,
The lower end of the support bar is connected with the top of the engineering equipment component.
8. the automatic de-, hooking device based on hydraulic-driven as claimed in claim 7, it is characterised in that in the butt joint
Side wall on be additionally provided with it is being connected with the hollow pipeline and through whole butt joint upper and lower ends vertical side seams, be easy to lead to
Communication cable is penetrated into hollow pipeline from side;
Guide head is additionally provided with the butt joint bottom, the guide head can smoothly guide bearing head to enter the hollow of butt joint
In pipeline, so as to smoothly realize the overlap joint of bearing head and block;The guide head be shaped as that Open Side Down it is horn-like.
9. the automatic de-, hooking device based on hydraulic-driven as claimed in claim 8, it is characterised in that
Opened up on the top of the butt joint fluted, the lower end that the groove is used for arm is caught in, and is fixed arm with bearing pin
In butt joint and arm can rotate around bearing pin;
The guide head is made up of two specification identical semicircular rings, is easy to the installation of the guide head;
The hollow pipeline is divided into three sections, and first paragraph pipe shape is that cylinder is poroid;Second segment pipe shape be and the load-bearing
The shape that the mushroom head outer shape of head matches, makes bearing head no longer be moved upwards when being in the position;3rd segment pipe shape
Shape is that cylinder is poroid;And the 3rd the diameter of segment pipe be more than the diameter of the first segment pipe, and the maximum outside diameter of bearing head is more than the
The diameter of one segment pipe, the diameter less than the 3rd segment pipe.
10. a kind of any described automatic de-, application methods of hooking device based on hydraulic-driven of claim 1-9, including
Automatically-unhooked method and the method for automatic coupling,
The automatically-unhooked method comprises the following steps:
1) first the lower end of engineering equipment component and bearing head is connected, by the one end for the communication cable being connected with winch from bearing head
Top bearing head through hole pass through after fasten again on engineering equipment component;By one end system of the steel wire rope of crane to automatically
It is de-, hooking device to revoke on axle;
2) communication cable above bearing head is directly entered in hollow pipeline by the vertical side seam in butt joint side wall, so as to
Communication cable one end of winch is set to sequentially pass through the middle part of bearing head and butt joint again after connecting engineering equipment component;Nylon is used again
Vertical side seam in material closure butt joint;
3) bearing head is located in the hollow pipeline in butt joint, and the mushroom head downside of bearing head is overlapped on the upper of the block other end
On surface;
4) by two semicircle drive rings be set in butt joint peripheral blending bolt connect two semicircle drive rings, drive ring with it is right
There is gap between joint, be easy to drive ring to do vertical motion along butt joint;And by the connecting rod of drive ring and hydraulic jack
Expansion link is connected, for making hydraulic jack driving drive ring do vertical motion;And the downside of drive ring is overlapped on block
One end upper surface on;
5) guide head is installed in the bottom of butt joint;
6) oil cylinder external oil pipe, and sling with crane installed in hoist block revoke axle, engineering equipment component is sling, to predetermined
Behind position, hydraulic jack is opened, makes the expansion link of hydraulic jack drive drive ring to do vertical motion;The downside overlap joint of drive ring
On the upper surface of block one end, the downside of the mushroom head of bearing head is overlapped on the upper surface of the other end of block, makes gear
Block does lever motion around bearing pin;Drive ring, which moves down, moves downward one end of block, and the other end of block moves upwards, so as to push up
Act the bearing head being overlapped on the block other end;Drive ring continues to move down and pushes one end of block, and the other end of block continues
Rise, after bearing head in the hollow pipeline of butt joint is departed from block, bearing head sinks, and realizes the de- of bearing head and block
Hook is so that engineering equipment component separates with automatic de-, hooking device;
, it is necessary to take off automatically, hooking device and engineering equipment component are realized automatically when engineering equipment component needs to link up with again after breaking off relations
Hook, the method for the automatic coupling comprise the following steps:Detacher is sling to the top of bearing head with crane, transfers detacher,
Detacher is set to be snapped down to along communication cable and in the presence of own wt at bearing head, bearing head is set by butt joint bottom
Guide head slip into the hollow pipeline of butt joint;This takes off automatically, hooking device is because own wt causes bearing head to push up upwards
The part that block is extended in hollow pipeline is played, block is rotated around bearing pin, and then the mushroom head of bearing head is risen to block
Top;After block is reset to horizontal level, the downside of mushroom head is overlapped on the upper surface of block, makes block and bearing head
Again overlap, realize the automatic coupling of bearing head and block so that crane slings engineering equipment component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710586223.4A CN107381339B (en) | 2017-07-18 | 2017-07-18 | A kind of automatic de-, hooking device and its application method based on hydraulic-driven |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710586223.4A CN107381339B (en) | 2017-07-18 | 2017-07-18 | A kind of automatic de-, hooking device and its application method based on hydraulic-driven |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107381339A true CN107381339A (en) | 2017-11-24 |
CN107381339B CN107381339B (en) | 2019-05-28 |
Family
ID=60339898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710586223.4A Active CN107381339B (en) | 2017-07-18 | 2017-07-18 | A kind of automatic de-, hooking device and its application method based on hydraulic-driven |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107381339B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108725719A (en) * | 2018-05-30 | 2018-11-02 | 中国船舶科学研究中心上海分部 | A kind of underwater automatic butt-jointing mechanism |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957165A (en) * | 1973-12-20 | 1976-05-18 | Rubery Owen Mechanical Equipment | Straddle carriers |
US5205600A (en) * | 1992-03-18 | 1993-04-27 | Richard Moore | Automatic release coupling |
CN2714520Y (en) * | 2004-05-10 | 2005-08-03 | 南昌铁路局南昌机械厂装卸机具分厂 | Electric grab bucket for bulk materials |
CN101508333A (en) * | 2009-03-13 | 2009-08-19 | 武汉海王机电工程技术公司 | Mechanical automatic butt-joint releasing device |
CN105174022A (en) * | 2015-09-10 | 2015-12-23 | 长沙嘉百精密机械有限公司 | Automatic hydraulic unhooking device |
CN207061649U (en) * | 2017-07-18 | 2018-03-02 | 安徽理工大学 | A kind of automatic de-, hooking device based on hydraulic-driven |
-
2017
- 2017-07-18 CN CN201710586223.4A patent/CN107381339B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957165A (en) * | 1973-12-20 | 1976-05-18 | Rubery Owen Mechanical Equipment | Straddle carriers |
US5205600A (en) * | 1992-03-18 | 1993-04-27 | Richard Moore | Automatic release coupling |
CN2714520Y (en) * | 2004-05-10 | 2005-08-03 | 南昌铁路局南昌机械厂装卸机具分厂 | Electric grab bucket for bulk materials |
CN101508333A (en) * | 2009-03-13 | 2009-08-19 | 武汉海王机电工程技术公司 | Mechanical automatic butt-joint releasing device |
CN105174022A (en) * | 2015-09-10 | 2015-12-23 | 长沙嘉百精密机械有限公司 | Automatic hydraulic unhooking device |
CN207061649U (en) * | 2017-07-18 | 2018-03-02 | 安徽理工大学 | A kind of automatic de-, hooking device based on hydraulic-driven |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108725719A (en) * | 2018-05-30 | 2018-11-02 | 中国船舶科学研究中心上海分部 | A kind of underwater automatic butt-jointing mechanism |
CN108725719B (en) * | 2018-05-30 | 2023-11-21 | 中国船舶科学研究中心上海分部 | Automatic docking mechanism under water |
Also Published As
Publication number | Publication date |
---|---|
CN107381339B (en) | 2019-05-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110203357B (en) | ROV near-water surface butt joint and release device | |
KR100316291B1 (en) | Deep Water Lowering Apparatus | |
CN205743770U (en) | A kind of collapsible dynamic catwalk device | |
CN207061649U (en) | A kind of automatic de-, hooking device based on hydraulic-driven | |
CN103449315B (en) | Crane lifting device | |
CN105565146A (en) | Lifting hook maintaining structure, crane and lifting hook fixing method | |
CN103147404B (en) | System and method for hanging stay cable at tower end of height limiting cable-stayed bridge | |
CN107381339A (en) | A kind of automatic de-, hooking device and its application method based on hydraulic-driven | |
CN205381364U (en) | Convenient auxiliary fixtures that sets up of outer hanging scaffold of boats and ships topside | |
CN202744232U (en) | Tower crane long suspension arm lifting steel rope supporting device | |
CN204324745U (en) | A kind of 35KV isolation switch hanging device | |
KR20090101990A (en) | Method for mounting thruster in semi-submergible rig | |
CN202785255U (en) | Turnover hoisting tool for reinforced concrete pipe joint | |
CN105621231A (en) | Combined lifting appliance special for large-diameter reinforced concrete drainage pipe | |
CN110053720A (en) | Immersed tube combination transport installs equipment and transportation installation method | |
CN205590168U (en) | Overturning lifting device | |
KR20160048279A (en) | Method for mounting thruster in semi-submergible rig | |
KR20150012087A (en) | Thruster on-ground mountng method for ship | |
CN206783199U (en) | The sinking system of submerged structure component | |
CN115504362B (en) | Universal lifting equipment for fishing shallow sea ships | |
CN202745743U (en) | Short-distance rapid drop hanger of blowout prevention assembly hanging card | |
CN204079326U (en) | Marine platform crane pedestal | |
CN209322411U (en) | One kind is novel to install hanging device for escalator and moving sidewalk | |
CN215402778U (en) | Pulley block convenient to connect | |
CN201016375Y (en) | Cable wire head fixing device |
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 |