CN105258826A - Underwater tensile force measurement device - Google Patents
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- 238000005259 measurement Methods 0.000 title abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
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Abstract
本发明公开了一种水下拉力测量装置，包括耐压缸筒组合体、活塞及活塞杆组合体、耐水压的压差/压力传感器、液体、耐外压的液压管道；活塞及活塞杆组合体的两根等直径活塞杆分别穿过耐压缸筒组合体的端部开孔或其密封端盖上的中心孔，两根活塞杆与耐压缸筒组合体的端部开孔或其密封端盖的中心孔之间分别通过密封圈密封，活塞及活塞杆组合体的活塞与耐压缸筒内腔之间通过密封圈密封，同时将耐压缸筒内腔分成上下两个腔体，耐压缸筒的上下两腔体或其中一个腔体内充满液体并通过耐外压液压管道与压差/压力传感器连接，通过压差/压力传感器的压差/压力信号测量活塞杆受到的拉力。本发明具有结构简单、稳定可靠、测量精度高的特点。
The invention discloses an underwater pulling force measuring device, which comprises a pressure-resistant cylinder barrel assembly, a piston and a piston rod assembly, a water pressure-resistant pressure difference/pressure sensor, liquid, and an external pressure-resistant hydraulic pipeline; the piston and piston rod assembly The two equal-diameter piston rods of the body respectively pass through the end opening of the pressure-resistant cylinder assembly or the central hole on the sealing end cover, and the end openings of the two piston rods and the pressure-resistant cylinder assembly or The central holes of the sealing end cover are sealed by sealing rings respectively, and the piston of the piston and piston rod assembly is sealed by a sealing ring, and the inner cavity of the pressure-resistant cylinder is divided into upper and lower cavities. The upper and lower chambers of the pressure-resistant cylinder or one of the chambers is filled with liquid and connected to the differential pressure/pressure sensor through the external pressure-resistant hydraulic pipeline, and the tension on the piston rod is measured by the differential pressure/pressure signal of the differential pressure/pressure sensor . The invention has the characteristics of simple structure, stability and reliability, and high measurement precision.
Description
技术领域 technical field
本发明涉及一种拉力测量装置，具体涉及一种水下拉力测量装置。 The invention relates to a pulling force measuring device, in particular to an underwater pulling force measuring device.
背景技术 Background technique
随着人类对资源需求的快速增长，水下资源的勘探与开发，特别是以深海资源为代表的深海资源勘探与开发已经发展成为未来资源开拓的重要领域。在水下资源的勘探与开发过程中，需要用到各种水下设备，如水下钻机、水下取样器、水下工作站等，在水下设备工作过程中，有时需要对水下设备中的某个零部件或者运动机构的拉力进行测量，从而为水下设备工作状态的监测、零部件或运动机构在水下环境中受力状况的分析提供数据参考。与陆地拉力测量装置不同，水下拉力测量装置不仅需要克服外部深水压力对拉力测量装置的影响，同时还要考虑拉力测量装置在外部深水压力下所引起的密封和泄露问题，为此研制一种精确、可靠地测量水下设备拉力的装置是一个急待解决的技术问题。 With the rapid growth of human demand for resources, the exploration and development of underwater resources, especially the exploration and development of deep-sea resources represented by deep-sea resources, has developed into an important field of future resource development. In the process of exploration and development of underwater resources, various underwater equipment are needed, such as underwater drilling rigs, underwater samplers, underwater workstations, etc. During the working process of underwater equipment, sometimes it is necessary to The tensile force of a certain component or moving mechanism is measured, so as to provide data reference for the monitoring of the working state of underwater equipment and the analysis of the force status of components or moving mechanisms in the underwater environment. Different from land tension measurement devices, underwater tension measurement devices not only need to overcome the influence of external deep water pressure on tension measurement devices, but also consider the sealing and leakage problems caused by tension measurement devices under external deep water pressure. A device for accurately and reliably measuring the pulling force of underwater equipment is an urgent technical problem to be solved.
发明内容 Contents of the invention
为了解决上述技术问题，本发明提供一种结构简单、稳定可靠、测量精度高，尤其适应于水下的拉力测量装置。 In order to solve the above-mentioned technical problems, the present invention provides a tension measuring device which is simple in structure, stable and reliable, and has high measurement accuracy, especially suitable for underwater.
本发明解决上述技术问题采用的技术方案是：包括耐压缸筒组合体、活塞及活塞杆组合体、耐水压的压差传感器、液体、耐外压的液压管道；密封端盖上开设有中心孔，所述的耐压缸筒组合体为一端开孔另一端带密封端盖或两端均带密封端盖的耐压缸筒，所述的活塞及活塞杆组合体为两端均有等直径活塞杆的活塞，密封端盖与耐压缸筒内腔之间通过密封圈密封，耐压缸筒固定在水下设备上；活塞及活塞杆组合体的两根等直径活塞杆分别穿过耐压缸筒组合体的端部开孔或其密封端盖上的中心孔，活塞杆与耐压缸筒组合体的端部开孔或其密封端盖的中心孔之间分别通过密封圈密封，活塞及活塞杆组合体的活塞与耐压缸筒内腔之间通过密封圈密封，同时将耐压缸筒内腔分成上下两个腔体，耐压缸筒的上下两腔体内充满液体并通过耐外压液压管道与压差传感器连接，活塞及活塞杆组合体中的一根活塞杆与拉力测量传力部件连接。 The technical scheme adopted by the present invention to solve the above-mentioned technical problems is: including a pressure-resistant cylinder barrel assembly, a piston and a piston rod assembly, a water pressure-resistant differential pressure sensor, a liquid, and an external pressure-resistant hydraulic pipeline; hole, the pressure-resistant cylinder assembly is a pressure-resistant cylinder with a hole at one end and a sealed end cap at the other end or with sealed end caps at both ends, and the piston and piston rod assembly has equal holes at both ends. The diameter of the piston rod, the sealing end cover and the inner cavity of the pressure-resistant cylinder are sealed by a sealing ring, and the pressure-resistant cylinder is fixed on the underwater equipment; the two equal-diameter piston rods of the piston and piston rod assembly pass through the The end opening of the pressure-resistant cylinder assembly or the central hole on the sealing end cover, the piston rod and the end opening of the pressure-resistant cylinder assembly or the center hole of the sealing end cover are respectively sealed by sealing rings , the piston of the piston and piston rod assembly and the inner cavity of the pressure-resistant cylinder are sealed by a sealing ring, and at the same time, the inner cavity of the pressure-resistant cylinder is divided into upper and lower cavities. The external pressure resistant hydraulic pipeline is connected with the differential pressure sensor, and one piston rod in the piston and piston rod assembly is connected with the tension measuring force transmission component.
上述的水下拉力测量装置中，所述的密封圈的个数可以为一个，也可以为多个。 In the above-mentioned underwater pulling force measuring device, the number of the sealing ring may be one or multiple.
上述的水下拉力测量装置中，所述的耐压缸筒的一端腔体为真空或充满气体，耐压缸筒的另一端腔体内充满液体，并通过耐外压的液压管道与耐水压的压力传感器连接，耐压缸筒充满液体一端腔体内的活塞及活塞杆组合体中的活塞杆与拉力测量传力部件连接。 In the above-mentioned underwater pulling force measuring device, the cavity at one end of the pressure-resistant cylinder is vacuum or filled with gas, and the cavity at the other end of the pressure-resistant cylinder is filled with liquid, and the external pressure-resistant hydraulic pipeline and the water pressure-resistant The pressure sensor is connected, and the piston in the liquid-filled end chamber of the pressure-resistant cylinder and the piston rod in the piston rod assembly are connected with the force-transmitting component for tension measurement.
本发明的技术效果在于：本发明中当活塞杆承受拉力时，耐压缸筒上下两腔体内的液体之间将产生压差，该压差将通过耐外压的液压管道传递到压差传感器上，通过压差传感器的压差信号测量得到活塞杆受到的拉力，这样大大提高了测量精度，并且本发明结构简单、稳定可靠。 The technical effect of the present invention is: when the piston rod bears the tension in the present invention, a pressure difference will be generated between the liquids in the upper and lower cavities of the pressure-resistant cylinder, and the pressure difference will be transmitted to the pressure difference sensor through the external pressure-resistant hydraulic pipeline In addition, the pulling force on the piston rod is obtained by measuring the differential pressure signal of the differential pressure sensor, which greatly improves the measurement accuracy, and the present invention is simple in structure, stable and reliable.
附图说明 Description of drawings
图1为本发明的实施例1的结构示意图。 Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention.
图2为本发明的实施例2的结构示意图。 Fig. 2 is a schematic structural diagram of Embodiment 2 of the present invention.
具体实施方案 specific implementation plan
下面结合附图对本发明作进一步的说明。 The present invention will be further described below in conjunction with the accompanying drawings.
如图1所示，它包括一端开孔另一端带密封端盖2或两端均带密封端盖2的耐压缸筒5、两端均有等直径活塞杆（活塞杆1及活塞杆1-1，且直径D1=D2）的活塞7（以下简称“活塞及活塞杆组合体”）、耐水压的压差传感器10、液体、耐外压的液压管道9；密封端盖2上开设有中心孔，密封端盖2与耐压缸筒5内腔之间通过密封圈3密封，耐压缸筒5固定在水下设备上。活塞及活塞杆组合体的两根等直径活塞杆1及活塞杆1-1分别穿过耐压缸筒组合体的端部开孔或其密封端盖2上的中心孔，活塞杆1和活塞杆1-1与耐压缸筒组合体的端部开孔或其密封端盖2的中心孔之间分别通过密封圈4和密封圈4-1密封，活塞及活塞杆组合体的活塞7与耐压缸筒5内腔之间通过密封圈8密封，同时将耐压缸筒5内腔分成上下两个腔体（上腔体6-1、下腔体6），耐压缸筒的上下两腔体（上腔体6-1、下腔体6）内充满液体并分别通过耐外压液压管道9和耐外压液压管道9-1与压差传感器10连接，活塞及活塞杆组合体中的一根活塞杆（活塞杆1或活塞杆1-1）与拉力测量传力部件连接。当活塞杆1或活塞杆1-1承受拉力时，耐压缸筒5上下两腔体（上腔体6-1、下腔体6）内的液体之间将产生压差，该压差将通过耐外压液压管道9和耐外压液压管道9-1传递到压差传感器上10，压差传感器10通过电缆11将压差信号传递给水下设备，从而测得活塞杆1或活塞杆1-1受到的拉力。 As shown in Figure 1, it includes a pressure-resistant cylinder 5 with a hole at one end and a sealing end cap 2 at the other end or a sealing end cap 2 at both ends, and equal-diameter piston rods at both ends (piston rod 1 and piston rod 1 -1, and diameter D 1 =D 2 ) piston 7 (hereinafter referred to as "piston and piston rod assembly"), water pressure-resistant differential pressure sensor 10, liquid, external pressure-resistant hydraulic pipeline 9; sealing end cover 2 A central hole is provided, and the sealing ring 3 is used to seal between the sealing end cover 2 and the inner cavity of the pressure-resistant cylinder 5, and the pressure-resistant cylinder 5 is fixed on the underwater equipment. The two equal-diameter piston rods 1 and piston rod 1-1 of the piston and piston rod assembly respectively pass through the end opening of the pressure-resistant cylinder barrel assembly or the central hole on the sealing end cover 2, and the piston rod 1 and the piston rod The end opening of the rod 1-1 and the pressure-resistant cylinder assembly or the center hole of the sealing end cover 2 are respectively sealed by the sealing ring 4 and the sealing ring 4-1, and the piston 7 of the piston and the piston rod assembly is connected with the The inner cavities of the pressure-resistant cylinder 5 are sealed by a sealing ring 8, and at the same time, the inner cavity of the pressure-resistant cylinder 5 is divided into two upper and lower cavities (upper cavity 6-1, lower cavity 6), and the upper and lower cavities of the pressure-resistant cylinder The two cavities (upper cavity 6-1, lower cavity 6) are filled with liquid and are respectively connected to the differential pressure sensor 10 through the external pressure-resistant hydraulic pipeline 9 and the external pressure-resistant hydraulic pipeline 9-1, and the piston and piston rod assembly One of the piston rods (piston rod 1 or piston rod 1-1) is connected with the tension measuring force transmission part. When the piston rod 1 or the piston rod 1-1 is subjected to tension, a pressure difference will be generated between the liquids in the upper and lower cavities (upper cavity 6-1, lower cavity 6) of the pressure-resistant cylinder 5, and the pressure difference will be Through the external pressure-resistant hydraulic pipeline 9 and the external pressure-resistant hydraulic pipeline 9-1, it is transmitted to the differential pressure sensor 10, and the differential pressure sensor 10 transmits the differential pressure signal to the underwater equipment through the cable 11, thereby measuring the piston rod 1 or the piston rod 1 -1 pull force received.
本发明中的密封圈3、密封圈4、密封圈4-1、密封圈8的个数可以为一个，也可以为多个。 The number of the sealing ring 3, the sealing ring 4, the sealing ring 4-1 and the sealing ring 8 in the present invention can be one or more.
实施例2 Example 2
如图2所示，与实施例1结构相似，不同之处在于：耐压缸筒5的上腔体6-1为真空或充满气体的封闭腔体，耐压缸筒5的下腔体6内充满液体，并通过耐外压的液压管道9与耐水压的压力传感器12连接，耐压缸筒5的下腔体6内的活塞及活塞杆组合体中的活塞杆1与拉力测量传力部件连接。 As shown in Figure 2, it is similar in structure to Embodiment 1, except that the upper cavity 6-1 of the pressure-resistant cylinder 5 is a vacuum or a closed cavity filled with gas, and the lower cavity 6-1 of the pressure-resistant cylinder 5 The inside is filled with liquid, and is connected with the pressure sensor 12 through the hydraulic pipeline 9 resistant to external pressure, and the piston rod 1 in the lower chamber 6 of the pressure-resistant cylinder 5 and the piston rod assembly in the piston rod assembly are connected to the tension measurement transmission force. Component connection.
除上述实施例外，本发明还可以有其他的实施方案。凡采用等同替换或者等效变换形成的技术方案，均落在本发明的保护范围。 In addition to the above-described embodiments, the present invention can also have other embodiments. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
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| CN108931331A (en) * | 2017-12-14 | 2018-12-04 | 杭州电子科技大学 | Rope tension measuring device |
| CN109477755A (en) * | 2016-07-19 | 2019-03-15 | 日本精工株式会社 | Vehicle weight measuring device |
| CN110793707A (en) * | 2019-11-10 | 2020-02-14 | 东北石油大学 | An intermediate container with digital pressure monitoring function |
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| DD234775A3 (en) * | 1984-11-07 | 1986-04-16 | Braunkohlenwerk Cottbus Wissen | DEVICE FOR VERIFYING HOISTS |
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Effective date of registration: 20221014 Address after: 411101 Room 818, 8th Floor, Chuangxin Building, No. 9 Xiaotang Road, High tech Zone, Xiangtan City, Hunan Province Patentee after: Hunan Hainiu Geological Prospecting Technology Co.,Ltd. Address before: 411201 No. 2 stone wharf, Yuhu District, Hunan, Xiangtan Patentee before: HUNAN University OF SCIENCE AND TECHNOLOGY |