CN205102959U - Tensile force measurement device under water - Google Patents
Tensile force measurement device under water Download PDFInfo
- Publication number
- CN205102959U CN205102959U CN201520913351.1U CN201520913351U CN205102959U CN 205102959 U CN205102959 U CN 205102959U CN 201520913351 U CN201520913351 U CN 201520913351U CN 205102959 U CN205102959 U CN 205102959U
- Authority
- CN
- China
- Prior art keywords
- withstand voltage
- piston
- piston rod
- voltage cylinder
- rod assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a tensile force measurement device under water, hydraulic tubing including withstand voltage cylinder assembly, piston and piston rod assembly, watertight pressure differential pressure sensor, liquid, resistant external pressure, two equal diameter piston rods of piston and piston rod assembly pass the tip trompil of withstand voltage cylinder assembly or the centre bore on its end cover respectively, it is sealed through the sealing washer respectively between the tip trompil of two piston rods and withstand voltage cylinder assembly or the centre bore of its end cover, it is sealed through the sealing washer between the piston of piston and piston rod assembly and the withstand voltage cylinder inner chamber, two cavitys about faling into withstand voltage cylinder inner chamber simultaneously, the two upper and lower cavitys or the interior full of liquid of one of them cavity of withstand voltage cylinder are connected with pressure differential pressure sensor through the hydraulic tubing of nai the external pressure, pressure differential pressure signal through pressure differential pressure sensor measures the pulling force that the piston rod received. The utility model has the characteristics of simple structure, reliable and stable, measurement accuracy is high.
Description
Technical field
The utility model relates to a kind of tension measuring device, is specifically related to one tension measuring device under water.
Background technology
Along with the mankind are to the quick growth of resource requirement, the exploration and development of Underwater resources is particularly the key areas that the deep-sea resources exploration and development of representative has developed into Future developing with deep-sea resources.In the exploration and development process of resource under water, need to use various subsea equipment, as rig, seabed sampler, underwater operation station etc. under water, under water in the equipment course of work, sometimes need to measure the pulling force of certain parts in subsea equipment or motion, thus provide data reference for the analysis of force-bearing situation in the monitoring of subsea equipment duty, parts or motion under water environment.Different from land tension measuring device, tension measuring device not only needs to overcome the impact of outside deep-water pressure on tension measuring device under water, also will consider the sealing that tension measuring device is caused under outside deep-water pressure and leakage problem, develop a kind of device accurately, reliably measuring subsea equipment pulling force is a technical matters anxious to be resolved for this reason simultaneously.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides that a kind of structure is simple, reliable and stable, measuring accuracy is high, is especially adapted to tension measuring device under water.
The technical scheme in the invention for solving the above technical problem is: the conduit under fluid pressure comprising withstand voltage cylinder combination body, piston and piston rod assembly, watertight differential pressure pickup, liquid, proof to external pressure, end cover offers center pit, described withstand voltage cylinder combination body is another end band end cover of one end perforate or two ends withstand voltage cylinder barrel all with end cover, described piston and piston rod assembly are the piston that all there is equal diameter piston rod at two ends, sealed by O-ring seal between end cover and withstand voltage inner cavity of cylinder, withstand voltage cylinder barrel is fixed on subsea equipment, two equal diameter piston rods of piston and piston rod assembly are each passed through the center pit on the end perforate of withstand voltage cylinder combination body or its end cover, seal respectively by O-ring seal between the end perforate of piston rod and withstand voltage cylinder combination body or the center pit of its end cover, sealed by O-ring seal between the piston of piston and piston rod assembly and withstand voltage inner cavity of cylinder, withstand voltage inner cavity of cylinder is divided into upper and lower two cavitys simultaneously, be full of liquid in two cavitys up and down of withstand voltage cylinder barrel and be connected with differential pressure pickup by proof to external pressure conduit under fluid pressure, a piston rod in piston and piston rod assembly is connected with tension measurement force transferring part.
In above-mentioned tension measuring device under water, the number of described O-ring seal can be one, also can be multiple.
In above-mentioned tension measuring device under water, one end cavity of described withstand voltage cylinder barrel is vacuum or gassy, liquid is full of in the other end cavity of withstand voltage cylinder barrel, and be connected with watertight pressure transducer by the conduit under fluid pressure of proof to external pressure, withstand voltage cylinder barrel is full of the piston in the cavity of liquid one end and the piston rod in piston rod assembly is connected with tension measurement force transferring part.
Technique effect of the present utility model is: in the utility model when piston rod bears pulling force, pressure reduction will be produced between liquid in upper and lower two cavitys of withstand voltage cylinder barrel, conduit under fluid pressure by proof to external pressure is delivered on differential pressure pickup by this pressure reduction, the pulling force that piston rod is subject to is obtained by the pressure difference signal measurement of differential pressure pickup, substantially increase measuring accuracy like this, and the utility model structure is simple, reliable and stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, it comprises another end band end cover 2 of one end perforate or two ends withstand voltage cylinder barrel 5 all with end cover 2, all there are equal diameter piston rod (piston rod 1 and piston rod 1-1, and diameter D in two ends
1=D
2) piston 7(hereinafter referred to as " piston and piston rod assembly "), the conduit under fluid pressure 9 of watertight differential pressure pickup 10, liquid, proof to external pressure; End cover 2 offers center pit, is sealed between end cover 2 and withstand voltage cylinder barrel 5 inner chamber by O-ring seal 3, withstand voltage cylinder barrel 5 is fixed on subsea equipment.Two equal diameter piston rods 1 of piston and piston rod assembly and piston rod 1-1 are each passed through the center pit on the end perforate of withstand voltage cylinder combination body or its end cover 2, seal respectively by O-ring seal 4 and O-ring seal 4-1 between the end perforate of piston rod 1 and piston rod 1-1 and withstand voltage cylinder combination body or the center pit of its end cover 2, sealed by O-ring seal 8 between the piston 7 of piston and piston rod assembly and withstand voltage cylinder barrel 5 inner chamber, withstand voltage cylinder barrel 5 inner chamber is divided into upper and lower two cavity (upper cavity 6-1 simultaneously, lower chamber 6), (the upper cavity 6-1 of two cavitys up and down of withstand voltage cylinder barrel, lower chamber 6) in be full of liquid and be connected with differential pressure pickup 10 with proof to external pressure conduit under fluid pressure 9-1 respectively by proof to external pressure conduit under fluid pressure 9, a piston rod (piston rod 1 or piston rod 1-1) in piston and piston rod assembly is connected with tension measurement force transferring part.When piston rod 1 or piston rod 1-1 bear pulling force, pressure reduction will be produced between liquid in withstand voltage cylinder barrel about 5 two cavity (upper cavity 6-1, lower chamber 6), this pressure reduction will to be delivered on differential pressure pickup 10 by proof to external pressure conduit under fluid pressure 9 and proof to external pressure conduit under fluid pressure 9-1, pressure difference signal is passed to subsea equipment by cable 11 by differential pressure pickup 10, thus records the pulling force that piston rod 1 or piston rod 1-1 be subject to.
The number of the O-ring seal 3 in the utility model, O-ring seal 4, O-ring seal 4-1, O-ring seal 8 can be one, also can be multiple.
Embodiment 2
As shown in Figure 2, similar to embodiment 1 structure, difference is: the upper cavity 6-1 of withstand voltage cylinder barrel 5 is vacuum or gassiness closed cavity, liquid is full of in the lower chamber 6 of withstand voltage cylinder barrel 5, and be connected with watertight pressure transducer 12 by the conduit under fluid pressure 9 of proof to external pressure, the piston in the lower chamber 6 of withstand voltage cylinder barrel 5 and the piston rod 1 in piston rod assembly are connected with tension measurement force transferring part.
In addition to the implementation, the utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on protection domain of the present utility model.
Claims (3)
1. a tension measuring device under water, is characterized in that: the conduit under fluid pressure comprising withstand voltage cylinder combination body, piston and piston rod assembly, watertight differential pressure pickup, liquid, proof to external pressure, end cover offers center pit, described withstand voltage cylinder combination body is another end band end cover of one end perforate or two ends withstand voltage cylinder barrel all with end cover, described piston and piston rod assembly are the piston that all there is equal diameter piston rod at two ends, sealed by O-ring seal between end cover and withstand voltage inner cavity of cylinder, withstand voltage cylinder barrel is fixed on subsea equipment, two equal diameter piston rods of piston and piston rod assembly are each passed through the center pit on the end perforate of withstand voltage cylinder combination body or its end cover, seal respectively by O-ring seal between the end perforate of piston rod and withstand voltage cylinder combination body or the center pit of its end cover, sealed by O-ring seal between the piston of piston and piston rod assembly and withstand voltage inner cavity of cylinder, withstand voltage inner cavity of cylinder is divided into upper and lower two cavitys simultaneously, be full of liquid in two cavitys up and down of withstand voltage cylinder barrel and be connected with differential pressure pickup by proof to external pressure conduit under fluid pressure, a piston rod in piston and piston rod assembly is connected with tension measurement force transferring part.
2. tension measuring device under water according to claim 1, is characterized in that: the number of described O-ring seal can be one, also can be multiple.
3. tension measuring device under water according to claim 1, it is characterized in that: one end cavity of described withstand voltage cylinder barrel is vacuum or gassy, liquid is full of in the other end cavity of withstand voltage cylinder barrel, and be connected with watertight pressure transducer by the conduit under fluid pressure of proof to external pressure, withstand voltage cylinder barrel is full of the piston in the cavity of liquid one end and the piston rod end in piston rod assembly is connected with tension measurement force transferring part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520913351.1U CN205102959U (en) | 2015-11-17 | 2015-11-17 | Tensile force measurement device under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520913351.1U CN205102959U (en) | 2015-11-17 | 2015-11-17 | Tensile force measurement device under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205102959U true CN205102959U (en) | 2016-03-23 |
Family
ID=55518736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520913351.1U Expired - Fee Related CN205102959U (en) | 2015-11-17 | 2015-11-17 | Tensile force measurement device under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205102959U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258826A (en) * | 2015-11-17 | 2016-01-20 | 湖南科技大学 | Underwater tensile force measurement device |
| CN108645476A (en) * | 2018-05-14 | 2018-10-12 | 合肥工业大学 | The measurement method of disymmetry piston type Water depth measuring sensor and Underwater Pressure |
| CN112504661A (en) * | 2020-11-18 | 2021-03-16 | 南京航空航天大学 | Device and method for measuring pressure distribution among multiple layers of sealing rings |
-
2015
- 2015-11-17 CN CN201520913351.1U patent/CN205102959U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258826A (en) * | 2015-11-17 | 2016-01-20 | 湖南科技大学 | Underwater tensile force measurement device |
| CN105258826B (en) * | 2015-11-17 | 2016-12-07 | 湖南科技大学 | One tension measuring device under water |
| CN108645476A (en) * | 2018-05-14 | 2018-10-12 | 合肥工业大学 | The measurement method of disymmetry piston type Water depth measuring sensor and Underwater Pressure |
| CN108645476B (en) * | 2018-05-14 | 2020-03-06 | 合肥工业大学 | Double-symmetrical piston type water depth measuring sensor and underwater pressure measuring method |
| CN112504661A (en) * | 2020-11-18 | 2021-03-16 | 南京航空航天大学 | Device and method for measuring pressure distribution among multiple layers of sealing rings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205102959U (en) | Tensile force measurement device under water | |
| CN103879530B (en) | Static seal retaining mechanism under water | |
| CN206428688U (en) | A kind of static sounding probe | |
| CN208965532U (en) | A kind of numeric type static sounding probe | |
| CN204252104U (en) | A kind of device measuring soft foundation delaminating deposition | |
| CN106480870A (en) | A kind of static sounding probe | |
| CN105258826B (en) | One tension measuring device under water | |
| CN205225245U (en) | Under high temperature and high pressure environment along with boring temperature measurement nipple joint | |
| CN112577771A (en) | Marine geological sediment sampling structure | |
| CN204142321U (en) | Barrier film protection throwing static pressure liquid level transmitter | |
| CN202991007U (en) | Multi-parameter logger | |
| CN103267555B (en) | A kind of pressure type water level measurement method and device | |
| CN206987806U (en) | A kind of Split drilling well liquid leak position measuring instrument | |
| CN207048773U (en) | A kind of self-floating digital independent device | |
| CN206397498U (en) | A kind of downhole drill gas detection logging test device | |
| CN104677681A (en) | Trigger sinking type water sampling device | |
| CN106089181B (en) | A kind of shaft bottom rotating power machine condition detector | |
| US20230383629A1 (en) | High-temperature and high-pressure simulator for deep in-situ environment | |
| CN105674867B (en) | A kind of high undersea hydrostatic pressures magnetostrictive displacement sensor sealing device | |
| CN110029646A (en) | A kind of underground formula static sounding system | |
| CN110656931B (en) | Mining hydraulic drilling-following diameter measuring device and method | |
| CN203420704U (en) | Sucker rod string lateral force testing arrangement | |
| CN107478570A (en) | A kind of shield tail grease pressure resistant testing device | |
| CN207600692U (en) | A kind of positive seal system safety testing device | |
| CN106759214A (en) | A kind of two-sided tapered full stream feeler inspection probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20161117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |