CN206437168U - Supporting structure and ship - Google Patents

Supporting structure and ship Download PDF

Info

Publication number
CN206437168U
CN206437168U CN201720002651.3U CN201720002651U CN206437168U CN 206437168 U CN206437168 U CN 206437168U CN 201720002651 U CN201720002651 U CN 201720002651U CN 206437168 U CN206437168 U CN 206437168U
Authority
CN
China
Prior art keywords
supporting structure
rod
frame
ship
utility
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.)
Active
Application number
CN201720002651.3U
Other languages
Chinese (zh)
Inventor
刘陈利
胡勇智
陆斌
高剑客
王根宝
潘登
蒲进菁
董纪岚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN YUNZHOU INNOVATION TECHNOLOGY Co Ltd
Original Assignee
SHENZHEN YUNZHOU INNOVATION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN YUNZHOU INNOVATION TECHNOLOGY Co Ltd filed Critical SHENZHEN YUNZHOU INNOVATION TECHNOLOGY Co Ltd
Priority to CN201720002651.3U priority Critical patent/CN206437168U/en
Application granted granted Critical
Publication of CN206437168U publication Critical patent/CN206437168U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The utility model discloses supporting structure and ship.The position limiting structure that wherein supporting structure hangs the hanging rod structure on the telescopic end for being located at elevating mechanism including the frame being fixed on ship, the elevating mechanism being vertically arranged in frame, upper end and hinders hanging rod structure to move horizontally.

Description

Supporting structure and ship
Technical field
The utility model is related to ship technical field, more particularly to supporting structure and ship.
Background technology
The ships such as unmanned boat are widely used to the mapping, sampling and monitoring in the regions such as shoal, lake.In general, ship Only carry measuring apparatus costly, it usually needs unloaded after measurement task is completed from ship.In addition, ship was being navigated by water Cheng Zhong, the problem of how protection equipment is also one particularly significant.
Therefore, the utility model proposes a kind of new supporting structure technical scheme.
Utility model content
The utility model provides a kind of new supporting structure technical scheme, effectively solve it is above-mentioned at least one ask Topic.
According to one side of the present utility model there is provided a kind of supporting structure, the supporting structure includes being fixed on ship Frame, the elevating mechanism being vertically arranged in frame, upper end hang hanging rod structure and resistance on the telescopic end for being located at elevating mechanism Hinder the position limiting structure that hanging rod structure is moved horizontally.
Alternatively, according in supporting structure of the present utility model, the lower end of hanging rod structure is additionally provided with measuring apparatus.Survey Measuring equipment can be included in multi-beam echo sounding instrument, Sound speed profile instrument, Doppler's flow velocity section plotter, magnetic determining device and inertial navigator extremely Few one kind.
Alternatively, according in supporting structure of the present utility model, elevating mechanism is electric pushrod, air-leg or liquid Press push rod.
Alternatively, according in supporting structure of the present utility model, leading screw that elevating mechanism includes being vertically arranged, it is located in Sliding block on leading screw and as telescopic end and the slide rail slided for the sliding block in vertical direction.
Alternatively, according in supporting structure of the present utility model, rack that elevating mechanism includes being vertically arranged, engagement should The gear of rack and the drive mechanism for rotating the gear.The upper end of rack is telescopic end.
Alternatively, according in supporting structure of the present utility model, hanging rod structure include parallel arrangement the first rod member and Second rod member.Position limiting structure is fixed on the triangular support bracket of frame, is vertically arranged and is fixed on gusseted including at least one The rectangular frame of frame.Position limiting structure also includes at least one and supplies the first rod set that the first rod member is worn to supply the second bar with least one The second rod set that part is worn.Wherein, the first rod set and the second rod set are each attached on the rectangular frame.
Alternatively, according to the lifting being additionally provided with supporting structure of the present utility model, on telescopic end for lifting hull Structure.Hoisting structure includes suspension ring, is fixed on the base of telescopic end and at least one first be connected between base and suspension ring Extension spring.
Alternatively, according in supporting structure of the present utility model, suspension ring have shaft-like horizontal part.The horizontal part has V-type section.On base have to should horizontal part groove.Wherein, the first extension spring is when being not stretched, suitable for tensing suspension ring Horizontal part, and horizontal part at least a portion is reclined the groove.
Alternatively, according at least one is additionally provided with supporting structure of the present utility model, between suspension ring and frame can Flexible Tiebar structure.The Tiebar structure includes sleeve, piston rod and the second extension spring.Sleeve first end is hinged with frame.Piston Bar first end is hinged with suspension ring, and the second end is slidedly arranged in the inner chamber of the sleeve.Second extension spring be connected to the second end of piston rod with Between the intracavity bottom of sleeve.Second end of piston rod is in ladder shaft-like.Second end of sleeve, which has, prevents the second of piston rod Hold the shoulder hole extracted therefrom.
Alternatively, according to being provided with least one in supporting structure of the present utility model, between hoisting structure and frame Rope.
According to the utility model another aspect there is provided a kind of ship, including according to supporting structure of the present utility model.
Alternatively, control unit is also included according to ship of the present utility model, the lifting suitable for controlling elevating mechanism.Support Structure setting is at the moonpool openings of ship.
To sum up, according to supporting structure scheme of the present utility model, it can be measured by elevating mechanism and position limiting structure control The steady lifting of equipment.When measuring apparatus is stretched into water, position limiting structure can avoid the swing of measuring apparatus, so as to ensure to survey Accuracy of measurement.In measuring apparatus completion work, supporting structure of the present utility model can pack up measuring apparatus, so as to protection Equipment and reduction ship resistance.In addition, supporting structure of the present utility model is by lifting measuring apparatus, handling that can be easily Measuring apparatus.Further, supporting structure of the present utility model can also include hoisting structure and telescopic lever.So, this practicality New supporting structure can be also used for hanging for ship.Particularly, supporting structure of the present utility model passes through in hoisting structure With extension spring in telescopic lever, the concentrations of tension and avoided when can avoid slinging ship caused by unexpected loading tensile Stress impact.In other words, supporting structure of the present utility model can buffer the stress impact to ship structure by extension spring structure. In addition, hoisting structure can be by the draw ring with V-type section, with correspondence V-type section groove base and tense draw ring and The extension spring of base, it is ensured that draw ring remains vertical state before being hooked by suspension hook, to facilitate suspension ring to be lifted.
Brief description of the drawings
In order to realize above-mentioned and related purpose, some illustrative sides are described herein in conjunction with following description and accompanying drawing Face, these aspects indicate the various modes of principles disclosed herein that can put into practice, and all aspects and its equivalent aspect It is intended to fall under in the range of theme claimed.The following detailed description by being read in conjunction with the figure, the disclosure it is above-mentioned And other purposes, feature and advantage will be apparent.Throughout the disclosure, identical reference generally refers to identical Part or element.
Fig. 1 shows the schematic perspective view of the ship 100 according to the utility model some embodiments;
Fig. 2 shows the top view of ship 100 in Fig. 1;
Fig. 3 shows the side view of ship 100 in Fig. 1;
Fig. 4 shows the front view of ship 100 in Fig. 1;
Fig. 5 shows the enlarged diagram of hoisting structure 150 in Fig. 1;
Fig. 6 shows the partial cutaway schematic of hoisting structure 150 in Fig. 5;And
Fig. 7 shows the profile of Tiebar structure 160 in Fig. 1.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure Complete conveys to those skilled in the art.
Fig. 1 shows the schematic perspective view of the ship 100 according to the utility model some embodiments.Fig. 2 is shown in Fig. 1 The top view of ship 100.Fig. 3 shows the side view of ship 100 in Fig. 1.Fig. 4 shows the front view of ship 100 in Fig. 1.
As shown in Figures 1 to 4, it is equipped with supporting structure on ship 100.Supporting structure is generally arranged at the moon of ship 100 At the opening of pond.Supporting structure includes frame 110, elevating mechanism 120, hanging rod structure 130 and position limiting structure 140.Ship shown in Fig. 1 Only 100 be catamaran.Frame 110 is arranged between two ship monomers.Frame 110 can also play the work of two ship monomers of connection With.Here, frame can be configured as various structures, and the utility model is without limitation.In addition, according to of the present utility model Ship is not limited to catamaran or trimaran or monohull shown in Fig. 1 etc..Set depending on the concrete structure of ship Meter, the appropriate location of the ship can be arranged on according to supporting structure of the present utility model, for example, can be adapted for measuring The position that equipment is stretched into water.In addition, can be unmanned boat according to ship of the present utility model, but not limited to this.
As shown in figure 1, elevating mechanism 120 is electric pushrod.Elevating mechanism 120 is vertically arranged in frame 110.Suspension rod knot The upper end of structure 130, which is hung, to be located on the telescopic end of elevating mechanism 120.The lower end of hanging rod structure 130 can set measuring apparatus (not show Go out).So, elevating mechanism 120 can drive the measuring apparatus on hanging rod structure 130 to be lifted.Here, measuring apparatus is usual For the equipment suitable for being worked in water, for example, can be multi-beam echo sounding instrument, Sound speed profile instrument, Doppler's flow velocity section plotter, magnetic Survey at least one of instrument and inertial navigator, but not limited to this.When needing measuring apparatus to work, elevating mechanism 120 can be by Measuring apparatus is extend into water.In addition, in measuring apparatus completion work, supporting structure be able to will be surveyed by elevating mechanism 120 Amount equipment is packed up, and with protection equipment and reduces ship resistance.
It should be noted that elevating mechanism is not limited to electric pushrod, air-leg or hydraulic push rod can also be configured as.One In individual embodiment, elevating mechanism can be additionally configured to the leading screw (not shown) for including being vertically arranged.Elevating mechanism also includes wearing The sliding block (or various equivalent variations of sliding block) being located on leading screw and the slide rail slided for sliding block in vertical direction (do not show Go out).Sliding block can lift hanging rod structure 130.In other words, sliding block is the telescopic end of elevating mechanism.In yet another embodiment, rise Descending mechanism include be vertically arranged rack, engage the gear of the rack and rotate the drive mechanism (not shown) of the gear.At this In embodiment, the rotating shaft of gear can be configured as position and fix.Accordingly, rack can be lifted by gear.The upper end of rack For telescopic end, it can hang and set hanging rod structure.Fixed in addition, the present embodiment middle rack can be configured to position.Accordingly, gear For moving gear.Gear can be by being converted into the vertical lifting of its rotating shaft.Rotating shaft can be as lift side, and hangs and set suspension rod Structure 130.In addition, elevating mechanism of the present utility model can also be implemented as known other modes, repeat no more here.
As shown in figure 4, hanging rod structure 130 can be configured to include the first rod member 131 and the second rod member of parallel arrangement 132.Hanging rod structure 130 is not limited to the structure shown in Fig. 1, it can also be provided that the knot of other known lifting measuring apparatus Structure, is repeated no more here.
Position limiting structure 140 can hinder moving horizontally for hanging rod structure 130.Position limiting structure 140 is included at least in Fig. 1 to 4 One triangular support bracket 141 and rectangular frame 142 that are fixed in frame 110.Rectangular frame 142 is vertically arranged and is fixed on three On angle support frame 141.Position limiting structure 140 also includes the first rod set 143 that at least one is worn for the first rod member 131 and supplies second The second rod set 144 that rod member 132 is worn.Wherein, the first rod set 143 and the second rod set 144 are each attached on rectangular frame 142. On this basis, hanging rod structure 130 can be steady to lift and ensure measuring apparatus under the restriction effect of position limiting structure 140 Position is stable, without existing vibration problems.It should be appreciated that being not limited to according to position limiting structure 140 of the present utility model shown in Fig. 1 Embodiment, known other structures can also be implemented as according to the various modifications of hanging rod structure 130, no longer gone to live in the household of one's in-laws on getting married here State.
Alternatively, the telescopic end for being arranged on elevating mechanism 120 can also be included according to supporting structure 100 of the present utility model On hoisting structure 150.So, the lifting of hull is can be also used for according to supporting structure 100 of the present utility model.Particularly pair For unmanned boat, hoisting structure can greatly facilitate the loading of ship.As shown in Figure 5 and Figure 6, hoisting structure 150 includes hanging Ring 151, the base 152 for being fixed on telescopic end and at least one first extension spring 153 being connected between base and suspension ring.In addition, Supporting structure 100 is additionally provided with least one telescopic Tiebar structure 160 between suspension ring 151 and frame 110.In Fig. 7 institutes In the embodiment shown, Tiebar structure 160 includes sleeve 161, the extension spring 163 of piston rod 162 and second.The first end of sleeve 161 with Frame 110 is hinged.The first end of piston rod 162 is hinged with suspension ring 151.Second end of piston rod 162 is slidedly arranged on the interior of sleeve 161 In chamber.In addition, the second extension spring 163 is connected to intracavity bottom (i.e. the of sleeve 161 of the second end of piston rod 162 and sleeve 161 One end).Generally, during suspension ring 151 are lifted, the first extension spring 153 and the second extension spring 163 are stretched.In addition, piston Second end of bar 162 is in ladder shaft-like.Second end of sleeve 161, which has, prevents that the second end of piston rod 162 from extracting therefrom Shoulder hole.On this basis, the upper connecting rod structure 160 of supporting structure 100 and hanging rod structure 130 can be lifted ship with shared Weight, so that ship of the present utility model can be hung safely.Special instruction, the first extension spring 153 and the second extension spring The concentrations of tension and the stress caused by unexpected loading tensile is avoided when 163 drawing process can avoid slinging ship Impact.In other words, supporting structure of the present utility model, can buffer the stress impact to ship structure by extension spring structure.
Alternatively, in embodiment as shown in Figure 5 and Figure 6, suspension ring 151 can have horizontal part.The horizontal part has V-type Section.In addition, having the groove of correspondence horizontal part on base 152.So, the first extension spring 153 is when being not stretched, suitable for tensing The horizontal part of suspension ring 151, and horizontal part at least a portion is reclined the groove.So, suspension ring 151 can be lifted When, vertical state is remained, so as to facilitate the hook of loop wheel machine to hook suspension ring 151.According to another implementation of the utility model In example, telescopic bar structure 160 may alternatively be rope, but not limited to this.
Alternatively, the control list that control elevating mechanism is lifted can also be included according to supporting structure 100 of the present utility model First (not shown).Here, control unit can be the embedded device of physics independence, can also be integrated in the master control system of ship In, the utility model is without limitation.
In the specification that this place is provided, numerous specific details are set forth.It is to be appreciated, however, that of the present utility model Embodiment can be put into practice in the case of these no details.In some instances, known side is not been shown in detail Method, structure and technology, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or many in each utility model aspect It is individual, above in the description of exemplary embodiment of the present utility model, each feature of the present utility model is divided together sometimes Group is into single embodiment, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following meaning Figure:The utility model i.e. claimed requires the feature more features than being expressly recited in each claim.More Exactly, as the following claims reflect, it is to be less than single reality disclosed above in terms of utility model Apply all features of example.Therefore, it then follows thus claims of embodiment are expressly incorporated in the embodiment, Wherein each claim is in itself as separate embodiments of the present utility model.
Those skilled in the art should be understood the module or unit or group of the equipment in example disclosed herein Part can be arranged in equipment as depicted in this embodiment, or alternatively can be positioned at and the equipment in the example In different one or more equipment.Module in aforementioned exemplary can be combined as a module or be segmented into addition multiple Submodule.
Those skilled in the art, which are appreciated that, to be carried out adaptively to the module in the equipment in embodiment Change and they are arranged in one or more equipment different from the embodiment.Can be the module or list in embodiment Member or component be combined into a module or unit or component, and can be divided into addition multiple submodule or subelement or Sub-component.In addition at least some in such feature and/or process or unit exclude each other, it can use any Combination is disclosed to all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so to appoint Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification (including adjoint power Profit is required, summary and accompanying drawing) disclosed in each feature can or similar purpose identical, equivalent by offer alternative features come generation Replace.
Although in addition, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments In included some features rather than further feature, but the combination of the feature of be the same as Example does not mean in this practicality newly Within the scope of type and form different embodiments.For example, in the following claims, embodiment claimed One of any mode can use in any combination.
In addition, be described as herein can be by the processor of computer system or by performing for some in the embodiment Method or the combination of method element that other devices of the function are implemented.Therefore, with for implementing methods described or method The processor of the necessary instruction of element forms the device for implementing this method or method element.In addition, device embodiment Element described in this is the example of following device:The device is used to implement the element institute by for the purpose of implementing the utility model The function of execution.
As used in this, unless specifically stated so, come using ordinal number " first ", " second ", " the 3rd " etc. Description plain objects are merely representative of the different instances for being related to similar object, and are not intended to imply that the object being so described must Must have the time it is upper, spatially, in terms of sequence or given order in any other manner.
Although describing the utility model according to the embodiment of limited quantity, above description, this technology are benefited from It is in field it is clear for the skilled person that in the range of the utility model thus described, it can be envisaged that other embodiments.In addition, It should be noted that the language used in this specification primarily to readable and teaching purpose and select, rather than in order to Explain or limit theme of the present utility model and select.Therefore, without departing from the scope and spirit of the appended claims In the case of, many modifications and changes will be apparent from for those skilled in the art.For this The scope of utility model, the disclosure done to the utility model is illustrative and not restrictive, scope of the present utility model It is defined by the appended claims.

Claims (10)

1. a kind of supporting structure, it is characterised in that including:
The frame being fixed on ship;
It is vertically arranged in the elevating mechanism in frame;
Hang the hanging rod structure on the telescopic end for being located at elevating mechanism in upper end;And
The position limiting structure for hindering hanging rod structure to move horizontally.
2. supporting structure as claimed in claim 1, it is characterised in that the lower end of the hanging rod structure is additionally provided with measurement and set Standby, the measuring apparatus includes multi-beam echo sounding instrument, Sound speed profile instrument, Doppler's flow velocity section plotter, magnetic determining device and inertial navigator At least one of.
3. supporting structure as claimed in claim 1, it is characterised in that the elevating mechanism be electric pushrod, air-leg or Person's hydraulic push rod.
4. supporting structure as claimed in claim 1, it is characterised in that the elevating mechanism include it is following in it is any:
The leading screw being vertically arranged, is located on leading screw and as the sliding block of the telescopic end, is slided for the sliding block in vertical direction Slide rail;
The rack being vertically arranged, its upper end is the telescopic end, engages the gear of the rack, rotates the drive mechanism of the gear.
5. supporting structure as claimed in claim 1, it is characterised in that
The hanging rod structure includes the first rod member and the second rod member of parallel arrangement;
The position limiting structure includes:
At least one is fixed on the triangular support bracket of the frame,
The rectangular frame of triangular support bracket is vertically arranged and is fixed on,
At least one the first rod set worn for first rod member and at least one second bar worn for second rod member Set, wherein, the first rod set and the second rod set are each attached on the rectangular frame.
6. supporting structure as claimed in claim 1, it is characterised in that hanging for lifting hull is additionally provided with the telescopic end Assembling structure, the hoisting structure includes:
Suspension ring,
The base of the telescopic end is fixed on,
It is connected at least one first extension spring between base and suspension ring.
7. supporting structure as claimed in claim 6, it is characterised in that the suspension ring have shaft-like horizontal part, the horizontal part With V-type section;
On the base have to should horizontal part groove;
Wherein, first extension spring suitable for tensing the horizontal part of the suspension ring, and makes the horizontal part at least one when being not stretched Partly recline the groove.
8. supporting structure as claimed in claim 6, it is characterised in that be additionally provided with least between the suspension ring and the frame A piece telescopic Tiebar structure, the Tiebar structure includes:
Sleeve, its first end is hinged with the frame;
Piston rod, its first end is hinged with the suspension ring, and the second end is slidedly arranged in the inner chamber of the sleeve;And
Second extension spring, is connected between the second end of piston rod and the intracavity bottom of sleeve;
Wherein, the second end of piston rod is in ladder shaft-like, and the second end of sleeve, which has, prevents the second end of piston rod from pulling out therefrom The shoulder hole gone out.
9. supporting structure as claimed in claim 6, it is characterised in that be provided between the hoisting structure and the frame to A few rope.
10. a kind of ship, it is characterised in that including supporting structure as claimed in any one of claims 1-9 wherein.
CN201720002651.3U 2017-01-03 2017-01-03 Supporting structure and ship Active CN206437168U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720002651.3U CN206437168U (en) 2017-01-03 2017-01-03 Supporting structure and ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720002651.3U CN206437168U (en) 2017-01-03 2017-01-03 Supporting structure and ship

Publications (1)

Publication Number Publication Date
CN206437168U true CN206437168U (en) 2017-08-25

Family

ID=59643243

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720002651.3U Active CN206437168U (en) 2017-01-03 2017-01-03 Supporting structure and ship

Country Status (1)

Country Link
CN (1) CN206437168U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106741617A (en) * 2017-01-03 2017-05-31 深圳市云洲创新科技有限公司 Supporting structure and ship

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106741617A (en) * 2017-01-03 2017-05-31 深圳市云洲创新科技有限公司 Supporting structure and ship
CN106741617B (en) * 2017-01-03 2019-09-17 深圳市云洲创新科技有限公司 Supporting structure and ship

Similar Documents

Publication Publication Date Title
CN106741617A (en) Supporting structure and ship
CN106950138B (en) Fiber composite submarine cable abrasion test system and working method thereof
CN109534188A (en) A kind of hard and soft hybrid Wave motion compensation device of sea floating hoisting platform
CN104819857A (en) Marine deep water floating platform vortex induced motion model experimental device
KR101879722B1 (en) Apparatus for vertical planar motion mechanism with a single strut and model test apparatus in towing tank using thereof
CN106044585A (en) Offshore wind turbine integral hoisting device with multi-degree of freedom compensation
CN102313636A (en) Vortex-induced vibration simulation test device for deep sea riser model with movable top end under action of step flow
CN110823512B (en) Test device for hydrofoil force measurement in circulating water tank
CN206437168U (en) Supporting structure and ship
CN104851354A (en) Experimental facility for researching heave compensation system of marine crane
CN106596042B (en) A kind of underwater test platform
CN106247011A (en) A kind of major diameter Long-distance Pipeline for Water Conveyance splicing, sinking system and method
CN108189975A (en) A kind of scientific surveying ship with lifting fin system
CN108189965B (en) One kind being used for rolling moment pilot system measured directly and installation method
CN204557910U (en) A kind of two-dimentional shipping of green water experimental provision
CN204473090U (en) The detachable flipper panel assembly peculiar to vessel of external hanging type
CN112146841A (en) Device and method for measuring hydrodynamic coefficient of large structure
CN107515097A (en) Anchoring system horizontal rigidity tests multidirectional hierarchical loading device
CN112179617B (en) Sunken ship salvage test bed
CN105910783A (en) Ship structure impact test system
CN107014631B (en) A kind of deep-sea lifting Hardware-in-loop Simulation Experimentation device
CN103575558B (en) A kind of lift on ships Work condition analogue testing table
CN104931285B (en) A kind of vertical standpipe principle prototype experimental rig of Free Station
CN204211371U (en) A kind of high precision driving electronic scales
CN211810120U (en) Wave-resistant portable ship water gauge observation instrument

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant