CN111238569B - Universal joint signal generator for hydrological measurement equipment - Google Patents
Universal joint signal generator for hydrological measurement equipment Download PDFInfo
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- CN111238569B CN111238569B CN202010058771.1A CN202010058771A CN111238569B CN 111238569 B CN111238569 B CN 111238569B CN 202010058771 A CN202010058771 A CN 202010058771A CN 111238569 B CN111238569 B CN 111238569B
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- universal joint
- signal generator
- bearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
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- General Physics & Mathematics (AREA)
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- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a universal joint signal generator for hydrological measurement equipment, which comprises an upper universal joint seat and a lower universal joint seat, wherein a shaft core is arranged in the upper universal joint seat, an upper seat shell is arranged outside the shaft core, the shaft core and the upper seat shell are separated by a bearing, the top of the shaft core extends out of the upper seat shell and is connected with a cable way steel wire rope through a connecting clamp a, a lower connecting shaft is arranged in the lower universal joint seat, a lower seat shell is arranged outside the lower connecting shaft, the lower connecting shaft and the lower seat shell are separated by an insulating sleeve, a positioning sleeve and an adjusting spring are arranged in the insulating sleeve, the lower connecting shaft penetrates through the lower seat shell, two ends of the lower connecting shaft extend out of the lower seat shell, and the bottom of the lower connecting shaft is connected with the hydrological measurement equipment through. The invention eliminates the torsion of the steel wire rope because the shaft core is a moving shaft and the upper seat shell is a static shaft which is separated by the bearing, and the lower connecting shaft is a switch anode and the lower seat shell is a switch cathode, and the adjusting spring adjusts the starting tension of the switch, so that the equipment sends out signals after touching the bottom.
Description
Technical Field
The invention relates to the technical field of hydrological measurement, in particular to a universal joint signal generator for hydrological measurement equipment.
Background
In hydrological measurement of natural rivers, many measurement parameters need to be measured by hanging measurement equipment in water through a river cable channel or a ship-measuring cable car. Because the water flow is turbulent during the flood season of the natural river, the landform and the landscape of the river bottom are changed all the time, some of the riprap exists, the turbulent water flow impacts the underwater measuring equipment to swing left and right and move up and down during the measurement, and the weight of the measuring equipment is very large, if the underwater equipment does not send out an alarm signal after touching the river bottom, the underwater equipment is most likely to be opened in a stone gap and cannot be withdrawn, or the underwater equipment is damaged by collision, or silt falls into the river bottom to damage a carried instrument, so that the natural river inflow hydrological measurement needs a bottom touching signal generator to protect the measuring equipment and reduce the damage. After the flood season, the flow velocity of water flow of a lot of natural rivers can become very slow, especially in a reservoir area, the water flow can be so low that the water flow can not be perceived by naked eyes, at this moment, when underwater hydrological measurement is carried out, the equipment can rotate continuously under the influence of the torsion of a steel wire rope for hoisting the equipment after entering water or the equipment can deviate from a correct water-facing angle seriously, and the measurement cannot be finished, and at this moment, an underwater universal torsion device is needed to eliminate the torsion of the steel wire rope.
However, the underwater application has a great difficulty in solving the problems compared with the underwater application in the air, various contact or non-contact alarm signal generators which are commonly used cannot be directly used underwater due to sealing insulation, underwater pressure bearing, impact bearing, sand influence and the like, and the problem that the torsion of a steel wire rotates or deviates from the water flow direction of underwater measuring equipment cannot be well solved.
Disclosure of Invention
In view of the above-mentioned shortcomings, the present invention provides a universal joint signal generator for a hydrographic measuring device, which eliminates the torsion of a cable wire rope and the torsion generated by the device automatically turning with water flow after the hydrographic measuring device enters water, and sends out an alarm signal after the device is bottomed.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a universal joint signal generator for a hydrological measuring device comprises an upper universal joint seat and a lower universal joint seat, wherein the upper universal joint seat is connected with the lower universal joint seat through threads, a shaft core is arranged in the upper universal joint seat, an upper seat shell is arranged outside the shaft core, a bearing accommodating cavity is formed between the shaft core and the upper seat shell, a bearing is arranged in the bearing accommodating cavity and separates the shaft core from the upper seat shell, the bottom of the shaft core is positioned in the upper seat shell, the top of the shaft core extends out of the upper seat shell and is connected with a cable channel steel wire rope through a connecting clamp a, a filling joint is arranged at the bottom of the upper seat shell and is communicated with the bearing accommodating cavity, a lower connecting shaft is arranged in the lower universal joint seat, a lower seat shell is arranged outside the lower connecting shaft, and the lower connecting shaft is separated from the lower seat shell through an insulating sleeve, the improved hydrological measuring device is characterized in that a positioning sleeve and an adjusting spring are arranged in the insulating sleeve, the lower connecting shaft penetrates through the lower seat shell, two ends of the lower connecting shaft extend out of the lower seat shell, and the bottom of the lower connecting shaft is connected with hydrological measuring equipment through a connecting clamp b.
As a modification of the present invention, the bearing includes a rolling bearing a, a rolling bearing b, and a flat bearing, which is located between the rolling bearing a and the rolling bearing b.
As an improvement of the invention, the bearing accommodating cavity is vacuumized and filled with silicone oil through the filling joint, the upper end of the filling joint is provided with a sealing device, the sealing device comprises a rubber sealing ring and a steel ball, and an adjusting gap is arranged near the sealing device.
As an improvement of the invention, the shaft core and the top of the upper seat shell are sealed through a double-sided self-tensioning rotating shaft sealing ring and a grease sealing layer, and the grease sealing layer is positioned in the double-sided self-tensioning rotating shaft sealing ring and is in contact with the shaft core.
As an improvement of the invention, two sides of the lower end of the upper seat shell are provided with fastening screws, and one side and two side walls of the bottom of the upper seat shell are provided with wrench insertion holes.
As an improvement of the present invention, the insulating sleeve includes an insulating sleeve a and an insulating sleeve b, the insulating sleeve a is connected to the lower seat shell, the insulating sleeve b is connected to the lower connecting shaft, and a lower end of the insulating sleeve b extends out of the lower seat shell, an upper end of the insulating sleeve a is connected to an upper end of the insulating sleeve b to form a U-shaped space, the positioning sleeve is installed in the U-shaped space, and the adjusting spring is installed between the positioning sleeve and the insulating sleeve b.
As an improvement of the invention, one side of the lower end of the lower seat shell is provided with a negative screw.
As an improvement of the invention, sand passing holes are formed in both sides of the bottom of the upper seat shell and both sides and the bottom of the lower seat shell.
As an improvement of the present invention, a pin a and a pin b are arranged on the connection card a, the pin a penetrates through the middle part of the connection card a, the pin b is positioned below the pin a and penetrates through the connection card a perpendicularly to the pin a, a pin c and a pin d are arranged on the connection card b, the pin c penetrates through the middle part of the connection card b, and the pin d is positioned above the pin c and penetrates through the connection card b perpendicularly to the pin c.
As an improvement of the invention, the body of the whole universal joint signal generator is made of 304 or 316L stainless steel material.
The invention has the beneficial effects that:
1. the universal joint signal generator for the hydrological measurement equipment is characterized in that the upper seat of the universal joint uses the shaft core as a moving shaft to rotate along with a cableway steel wire rope, the upper seat shell is used as a static shaft, and the moving shaft and the static shaft are separated through the rolling bearing a, the rolling bearing b and the plane bearing so as to eliminate the torsion of the steel wire rope after the hydrological measurement equipment enters water and the torsion generated by the automatic steering of the equipment along with water flow;
2. according to the invention, the lower universal joint seat takes the lower connecting shaft as the positive pole, the lower seat shell is taken as the negative pole, a power supply is not needed, the positive pole and the negative pole are separated by the insulating sleeve, and the starting tension of the switch is adjusted by the adjusting spring, so that a bottom contact signal of hydrological measuring equipment is not influenced by underwater pressure, water flow impact jitter and floater impact;
3. according to the universal joint signal generator, the two sides of the bottom of the upper seat shell and the two sides and the bottom of the lower seat shell are provided with the sand passing holes, so that the universal joint signal generator is not influenced by sand;
4. according to the invention, because the bearing accommodating cavity is vacuumized and filled with silicone oil, the whole device can rotate flexibly;
5. the device body is made of stainless steel, so that the whole device is corrosion-resistant, and the components of the device body are firmly combined by connecting the coarse thread tightening pin and the double-rivet pin with the diameter larger than that of the steel wire rope, so that the pulling force borne by the device body is far larger than that borne by the steel wire rope with the diameter of 7 mm.
The invention is further described with reference to the following figures and examples.
Drawings
FIG. 1 is a cross-sectional view of a gimbal signal generator for a hydrographic measurement device in accordance with the present invention.
FIG. 2 is a cross-sectional view of a gimbal upper mount of a gimbal signal generator for a hydrographic measurement device of the present invention.
FIG. 3 is a cross-sectional view of a lower gimbal mount of a gimbal signal generator for a hydrographic measurement device in accordance with the present invention
The reference numerals in the drawings are explained below.
The universal joint comprises an upper universal joint seat-1, a lower universal joint seat-2, a shaft core-3, an upper seat shell-4, a bearing accommodating cavity-41, a bearing-411, a rolling bearing a-4111, a rolling bearing b-4112, a plane bearing-4113, a filling joint-42, a sealing device-421, an adjusting gap-422, a double-sided self-tensioning rotary shaft sealing ring-43, a grease sealing layer-44, a set screw-45, a wrench jack-46, a connecting clamp a-5, a pin a-51, a pin b-52, a lower connecting shaft-6, a lower seat shell-7, an insulating sleeve-71, an insulating sleeve a-711, an insulating sleeve b-712, a positioning sleeve-72, an adjusting spring-73, a negative screw-74, a connecting clamp b-8, a pin c-81, a pin d-82 and a sand passing hole-9.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 3, a gimbal signal generator for a hydrographic measuring apparatus includes an upper gimbal base 1 and a lower gimbal base 2, the upper gimbal base 1 is a rotating portion, the lower gimbal base 2 is an opening and closing portion, the upper gimbal base 1 and the lower gimbal base 2 are connected by a screw, a shaft core 3 is disposed inside the upper gimbal base 1, an upper base housing 4 is disposed outside the shaft core 3, a bearing accommodating chamber 41 is formed between the shaft core 3 and the upper base housing 4, a bearing 411 is disposed in the bearing accommodating chamber 41, the shaft core 3 and the upper base housing 4 are separated by the bearing 411, the bottom of the shaft core 3 is located in the upper base housing 4, the top of the shaft core extends out of the upper base housing 4 and is connected to a cable wire rope by a connecting clip a5, a filling joint 42 is disposed at the bottom of the upper base housing 4, and the filling joint 42 is communicated with the bearing accommodating chamber 411, the inside connecting axle 6 down that is equipped with of lower seat 2 of universal joint, lower seat casing 7 has been installed to connecting axle 6 outside down, lower seat 2 of universal joint is the positive pole of switch, lower seat casing 7 is the negative pole of switch, separate through insulating cover 71 between lower connecting axle 6 and the lower seat casing 7, be equipped with position sleeve 72 and adjusting spring 73 in the insulating cover 71, lower connecting axle 6 runs through lower seat casing 7, and both ends all stretch out outside lower seat casing 7, connecting card b8 is passed through to lower connecting axle 6 bottom and hydrological measurement equipment is connected.
In this embodiment, the bearing 411 includes a rolling bearing a4111, a rolling bearing b4112, and a flat bearing 4113, and the flat bearing 4113 is located between the rolling bearing a4111 and the rolling bearing b 4112.
In this embodiment, the bearing accommodating cavity 41 is vacuumized and filled with silicone oil through the filling joint 42, that is, the bearing accommodating cavity 41 is vacuumized as much as possible, so that air in the bearing accommodating cavity 41 is eliminated, the bearing accommodating cavity 41 is filled with silicone oil, since liquid is incompressible, water is not pressed into the bearing accommodating cavity 41 due to underwater pressure after the bearing accommodating cavity 41 is filled with silicone oil, so as to ensure that the bearing 411 rotates flexibly, the bearing 411 is not corroded due to water entering the bearing accommodating cavity 41, the rotation speed and the frequency of the shaft core 3 are low, the upper end of the filling joint 42 is provided with the sealing device 421, the sealing device 421 is a rubber sealing ring and a steel ball, water enters the bearing accommodating cavity 41 through the filling joint 42 after the device is placed in water, and an adjusting gap 422 is formed near the sealing device 421.
Continuing to refer to fig. 2, specifically, the shaft core 3 and the top of the upper housing 4 are sealed by a double-sided self-tensioning shaft seal ring 43 and a grease seal layer 44, the grease seal layer 44 is located in the double-sided self-tensioning shaft seal ring 43 and is in contact with the shaft core 3, the shaft core 3 is primarily sealed by the double-sided self-tensioning shaft seal ring 43, and then the grease seal layer 44 in the double-sided self-tensioning shaft seal ring 43 is further sealed, so that the leakage caused by the micro-defects of the surface of the shaft core 3 and the seal lip of the double-sided self-tensioning shaft seal ring 43 is prevented, and the influence of silt in water on the sealing in the flood season can be eliminated, because the rotation speed of the shaft core 3 is relatively low, so that the double-sided self-tensioning shaft seal ring 43 cannot.
In this embodiment, holding screw 45 is equipped with to upper seat casing 4 lower extreme both sides, and bottom one side and both sides wall have all seted up spanner jack 46, holding screw 45 adds only tight round pin for coarse thread, makes the combination of each part of ware body more firm, prevents that each part is not hard up when the striking.
With reference to fig. 3, in particular, the insulating sleeve 71 includes an insulating sleeve a711 and an insulating sleeve b712, the insulating sleeve a711 is connected to the lower seat shell 7, the insulating sleeve b712 is connected to the lower connecting shaft 6, and a lower end of the insulating sleeve b extends out of the lower seat shell 7, an upper end of the insulating sleeve a711 is connected to an upper end of the insulating sleeve b712 to form a U-shaped space, the insulating sleeve 71 is made of a high-strength insulating material, the positioning sleeve 72 is installed in the U-shaped space, the adjusting spring 73 is installed between the positioning sleeve 72 and the insulating sleeve b712, and the adjusting spring 73 is a stainless steel load-bearing spring for adjusting the start-up tension of the switch, so that load-bearing springs with different elastic forces can be replaced according to use requirements to adjust the start-up tension of the switch.
In this embodiment, a negative screw 74 is provided at one side of the lower end of the lower housing 7 for connecting the switch negative.
In this embodiment, the sand passing holes 9 are formed in the two sides of the bottom of the upper seat shell 4 and the two sides and the bottom of the lower seat shell 7, so that sediment accumulation is prevented.
In this embodiment, a pin a51 and a pin b52 are arranged on the connection card a5, the pin a51 penetrates through the middle of the connection card a5, the pin b52 is positioned below the pin a51 and penetrates through the connection card a5 perpendicularly to the pin a51, a pin c81 and a pin d82 are arranged on the connection card b8, the pin c81 penetrates through the middle of the connection card b8, the pin d82 is positioned above the pin c81 and penetrates through the connection card b8 perpendicularly to the pin c81, and the pin a51, the pin b52, the pin c81 and the pin d82 form a cross rivet pin with a diameter larger than that of a steel wire rope, so that the looseness between the components of the body due to impact is prevented.
In this embodiment, the body of the whole universal joint signal generator is made of 304 or 316L stainless steel materials and is integrally processed by stainless steel rods, so that the wall thickness of a cavity with enough thickness and a connecting shaft with enough thickness are ensured to resist the impact of a floating object, and the tensile force borne by the whole body is far greater than that borne by a 7mm steel wire rope.
The working principle of the invention is as follows:
the universal joint upper seat 1 uses the shaft core 3 as a moving shaft to rotate along with a cableway steel wire rope, the upper seat shell 4 as a static shaft, and the moving shaft and the static shaft are separated through the rolling bearing a4111, the rolling bearing b4112 and the plane bearing 4113 so as to eliminate the torsion generated by the steel wire rope torsion and the automatic steering of equipment along with water flow after the hydrological measurement equipment enters water. The universal joint lower seat 2 takes the lower connecting shaft 6 as a positive electrode, the lower seat shell 7 as a negative electrode, the positive electrode and the negative electrode are separated by the insulating sleeve 71, the adjusting spring 73 is used for adjusting the starting tension of the switch and preventing sediment from accumulating through the sand passing hole 9, the whole switch can be made into a normally open type or a normally closed type, and when equipment touches the bottom, the switch is opened or closed to send a bottom touching signal. Because the resistance value of water is different from that of stainless steel, when the contact of the body is switched on or switched off underwater, a switching signal can be obtained by judging the change of the resistance value of the channel, the mode is simple and reliable, power supply driving is not needed, different adjusting springs 3 can be replaced according to use requirements to adjust the starting tension of the switch, the switch can work only when the set tension value is reached, and the switch is effectively prevented from working mistakenly due to shaking caused by water flow impact or collision in use; similarly, the switch can work to send a signal when the tension of the suspended measuring equipment is reduced to a set value after the suspended measuring equipment is contacted with the water bottom, and at the moment, the hydrological measuring equipment does not completely release the weight, a certain tension still exists, the steel wire rope cannot cause a pulley groove jumping accident due to the loss of the instantaneous tension, and the steel wire rope cannot be completely weightless and clamped in a stone gap due to the complete weightlessness of the equipment.
The present invention is only used as a preferred embodiment, and is not limited to the specific size of the gimbal signal generator, and some modifications and changes of the present invention should fall into the protection scope of the claims of the present invention.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. In addition, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the use of the term being generic or similar to other means being encompassed by the invention.
Claims (10)
1. A gimbal signal generator for a hydrographic measurement device, comprising: the universal joint comprises an upper universal joint seat (1) and a lower universal joint seat (2), wherein the upper universal joint seat (1) is connected with the lower universal joint seat (2) through threads, a shaft core (3) is arranged in the upper universal joint seat (1), an upper seat shell (4) is arranged outside the shaft core (3), a bearing accommodating cavity (41) is formed between the shaft core (3) and the upper seat shell (4), a bearing (411) is arranged in the bearing accommodating cavity (41), the shaft core (3) is separated from the upper seat shell (4) through the bearing (411), the bottom of the shaft core (3) is positioned in the upper seat shell (4), the top of the shaft core extends out of the upper seat shell (4) and is connected with a cable channel steel wire rope through a connecting clamp a (5), a filling joint (42) is arranged at the bottom of the upper seat shell (4), and the filling joint (42) is communicated with the bearing accommodating cavity (41), the universal joint is inside to be equipped with down connecting axle (6) down seat (2), lower seat casing (7) have been installed to connecting axle (6) outside down, separate through insulating cover (71) between connecting axle (6) and lower seat casing (7) down, be equipped with position sleeve (72) and adjusting spring (73) in insulating cover (71), connecting axle (6) run through down seat casing (7), and both ends all stretch out down outside seat casing (7), connecting axle (6) bottom is passed through and is connected with hydrology measuring equipment through connecting card b (8) down.
2. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: the bearing (411) comprises a rolling bearing a (4111), a rolling bearing b (4112) and a plane bearing (4113), wherein the plane bearing (4113) is located between the rolling bearing a (4111) and the rolling bearing b (4112).
3. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: the bearing accommodating cavity (41) is vacuumized and filled with silicone oil through the filling joint (42), a sealing device (421) is arranged at the upper end of the filling joint (42), the sealing device (421) is a rubber sealing ring and a steel ball, and an adjusting gap (422) is formed near the sealing device (421).
4. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: shaft core (3) and seat of honour casing (4) top between seal through two-sided from tensioning pivot sealing washer (43) and butter sealing layer (44), butter sealing layer (44) are located two-sided from tensioning pivot sealing washer (43) in, and with shaft core (3) contact.
5. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: set screws (45) are installed on two sides of the lower end of the upper seat shell (4), and wrench insertion holes (46) are formed in one side and two side walls of the bottom of the upper seat shell.
6. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: the insulating sleeve (71) comprises an insulating sleeve a (711) and an insulating sleeve b (712), the insulating sleeve a (711) is connected with the lower seat shell (7), the insulating sleeve b (712) is connected with the lower connecting shaft (6), the lower end of the insulating sleeve b extends out of the lower seat shell (7), the upper end of the insulating sleeve a (711) is connected with the upper end of the insulating sleeve b (712) to form a U-shaped space, the positioning sleeve (72) is installed in the U-shaped space, and the adjusting spring (73) is installed between the positioning sleeve (72) and the insulating sleeve b (712).
7. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: and a negative screw (74) is arranged on one side of the lower end of the lower seat shell (7).
8. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: and sand passing holes (9) are formed in the two sides of the bottom of the upper seat shell (4) and the two sides and the bottom of the lower seat shell (7).
9. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: be equipped with pin a (51) and pin b (52) on connecting card a (5), pin a (51) run through the middle part of connecting card a (5), pin b (52) are located the below of pin a (51), and the perpendicular to pin a (51) run through connecting card a (5), be equipped with pin c (81) and pin d (82) on connecting card b (8), pin c (81) run through the middle part of connecting card b (8), pin d (82) are located the top of pin c (81), and the perpendicular to pin c (81) run through connecting card b (8).
10. A gimbal signal generator for a hydrographic measurement device as defined in claim 1, wherein: the body of the whole universal joint signal generator is made of 304 or 316L stainless steel materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010058771.1A CN111238569B (en) | 2020-01-19 | 2020-01-19 | Universal joint signal generator for hydrological measurement equipment |
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|---|---|---|---|
| CN202010058771.1A CN111238569B (en) | 2020-01-19 | 2020-01-19 | Universal joint signal generator for hydrological measurement equipment |
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