CN110631802B - Torsion bar type mechanical acquisition instrument - Google Patents
Torsion bar type mechanical acquisition instrument Download PDFInfo
- Publication number
- CN110631802B CN110631802B CN201910935437.7A CN201910935437A CN110631802B CN 110631802 B CN110631802 B CN 110631802B CN 201910935437 A CN201910935437 A CN 201910935437A CN 110631802 B CN110631802 B CN 110631802B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- fixedly connected
- box
- torsion bar
- wall
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000006978 adaptation Effects 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 abstract description 5
- 108091027981 Response element Proteins 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a torsion bar type mechanics acquisition instrument which comprises a wave making plate, a torsion joint and a connecting rod, wherein the right side of the top of the wave making plate is movably connected with the surface of the connecting rod, and an impact box is fixedly connected to the right side of the top of the wave making plate and positioned at the top of the connecting rod. This appearance is gathered to torsion bar formula mechanics, run through the wrench movement joint through the bottom of connecting rod, and the top of connecting rod runs through the striking box and extends to the inside of striking box, the connecting rod extends to the inside one end fixedly connected with striker pin of striking box, the both sides of striking box inner wall all through connecting piece fixedly connected with striking response element, inside at the striking box sets up with connecting rod vertically firing pin, and there is electronic sensor at the inner wall around the striking box, will produce the electric current when firing pin striking electronic sensor, final input computer end, turn into the numerical value of power through the computer, make and gather the precision higher, and install easy and simple to handle.
Description
Technical Field
The invention relates to the technical field of hydraulics experimental facilities, in particular to a torsion bar type mechanics acquisition instrument.
Background
The portable and portable data collector/graphic recorder can measure the temperature/humidity and analog voltage of 10 channels simultaneously, and through a wide color screen, a client can see captured data more easily and clearly and easily set parameters to observe waveform and data during testing, the captured data can be reproduced more easily through functions and can be stored in an instrument memory or an external USB memory, and a standard USB interface at a PC end is controlled through software, so that the portable and portable data collector/graphic recorder is a good choice for the client.
The mechanical acquisition instrument is an important experimental instrument in various engineering experiments, most of the existing hydraulic experiments adopt a pulling force type pressure acquisition instrument and a button type pressure acquisition instrument, however, the pulling force type pressure acquisition instrument and the button type pressure acquisition instrument have certain defects and are not high in acquisition precision, and are not easy to install in the experimental process, so that experimental water flow and wave elements are influenced, numerical models of various hydraulic structures need to be verified through experiments, and therefore the mechanical acquisition instrument which is easy to install and high in acquisition precision is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a torsion bar type mechanical acquisition instrument, which solves the problems that the tension type and button type pressure acquisition instruments are low in acquisition precision, are not easy to install in the experiment process and influence the experiment water flow and wave factors.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a torsion bar type mechanical acquisition instrument comprises a wave making plate, a twisting joint and a connecting rod, wherein the right side of the top of the wave making plate is movably connected with the surface of the connecting rod, the right side of the top of the wave making plate is fixedly connected with an impact box which is positioned at the top of the connecting rod, the right side of the top of the wave making plate is fixedly connected with a mounting plate, a first mounting groove is formed in the mounting plate, rotating blocks are fixedly connected with the front and the back of the twisting joint, one sides of the two rotating blocks which are deviated from each other are respectively rotatably connected with the two sides of the inner wall of the first mounting groove, the bottom end of the connecting rod penetrates through the twisting joint, the top end of the connecting rod penetrates through the impact box and extends into the impact box, one end of the connecting rod which extends into the impact box is fixedly connected with an impact needle, the two sides of the inner wall of the impact box are fixedly connected with an impact sensing, the structure piece periphery openly has the gag lever post with the top swing joint at the back, the spacing hole with gag lever post looks adaptation is all seted up with the back to the front of connecting rod bottom to the surface of gag lever post and the inner wall sliding connection in spacing hole.
Preferably, the second mounting groove has been seted up to the inside of structure piece to the second mounting groove is located the inside of structure piece and has been seted up two sets ofly, one side fixedly connected with dead lever of second mounting groove inner wall to the inside sliding connection of the surface of dead lever and gag lever post, the one end fixedly connected with fly leaf that the gag lever post is close to the dead lever, and the fly leaf all around with the inner wall sliding connection of second mounting groove.
Preferably, one side fixedly connected with spring of second mounting groove inner wall, the one end of spring and one side fixed connection of fly leaf to the inner wall of spring and the surface sliding connection of dead lever, the activity groove with dead lever looks adaptation is seted up to the inside of gag lever post, and the surface sliding connection of the inner wall in activity groove and dead lever.
Preferably, the first spout with connecting rod looks adaptation is seted up to the bottom of striking box to the opening has been seted up at the top of striking box, the back at striking box top articulates through the hinge has the lid.
Preferably, the equal fixedly connected with mount in both sides of striking box to the bottom of two mounts all passes through first connecting bolt fixed connection with the top of making the ripples board, the bottom of mounting panel passes through second connecting bolt fixed connection with the top of making the ripples board, make the first connecting screw hole and the second connecting screw hole of ripples board looks adaptation seted up respectively at the top of ripples board with first connecting bolt and second connecting bolt.
Preferably, make ripples board top and be located the mounting panel under seted up with the second spout of connecting rod looks adaptation, make the positive left side intercommunication of ripples board have the water injection pipe to the inside swing joint of water injection pipe has the end cap, make the right side of ripples board and seted up the delivery port.
Preferably, the surface of the connecting rod is subjected to smoothing treatment, a torque spring member is arranged inside the twisting joint, the inside of the impact sensing element is an electronic sensor, the output end of the impact sensing element is electrically connected with the input end of the single chip microcomputer, and the output end of the single chip microcomputer is connected with the input end of the display.
(III) advantageous effects
The invention provides a torsion bar type mechanical acquisition instrument. Compared with the prior art, the method has the following beneficial effects:
(1) the torsion bar type mechanical acquisition instrument is characterized in that a mounting plate is fixedly connected to the right side of the top of a wave making plate, a first mounting groove is formed in the mounting plate, rotating blocks are fixedly connected to the front side and the back side of a twisting joint, one side, away from the two rotating blocks, of the two rotating blocks is respectively rotatably connected with the two sides of the inner wall of the first mounting groove, the bottom end of a connecting rod penetrates through the twisting joint, the top end of the connecting rod penetrates through an impact box and extends into the impact box, a collision needle is fixedly connected to one end, extending into the impact box, of the connecting rod, impact sensing elements are fixedly connected to the two sides of the inner wall of the impact box through connecting pieces, a collision pin perpendicular to the connecting rod is arranged in the impact box, electronic sensors are arranged on the front inner wall and the rear inner wall of the impact box, current can be generated when, so that the acquisition precision is higher.
(2) This appearance is gathered to torsion bar formula mechanics, the bottom swing joint who runs through the joint of wrench movement through the connecting rod has the structure piece, the structure piece periphery openly has the gag lever post with the top swing joint at the back, the spacing hole with gag lever post looks adaptation is all seted up with the back in the front of connecting rod bottom, and the surface of gag lever post and the inner wall sliding connection in spacing hole, install the joint of wrench movement additional at the mounting panel middle part, when bottom structure piece atress takes place to deflect, this twist joint makes upper portion and lower part take place the reverse deflection, and reset after deflecting each time, need not to adjust repeatedly in the experiment, simple installation.
(3) The torsion bar type mechanical acquisition instrument is provided with a second mounting groove through the inside of the structural block, two groups of second mounting grooves are arranged in the structure block, one side of the inner wall of each second mounting groove is fixedly connected with a fixed rod, the surface of the fixed rod is connected with the inner part of the limit rod in a sliding way, one end of the limit rod close to the fixed rod is fixedly connected with a movable plate, the periphery of the movable plate is connected with the inner wall of the second mounting groove in a sliding way, one side of the inner wall of the second mounting groove is fixedly connected with a spring, one end of the spring is fixedly connected with one side of the movable plate, the inner wall of the spring is connected with the surface of the fixed rod in a sliding way, a movable groove matched with the fixed rod is arranged in the limiting rod, and the inner wall of the movable groove is connected with the surface of the fixed rod in a sliding manner, and the connection between the connecting rod and the structural block is more convenient and faster by utilizing the matching between the limiting rod and the limiting hole.
(4) This appearance is gathered to torsion bar formula mechanics, the material through the connecting rod adopts aluminum alloy die-casting component, the surface of connecting rod is through smooth processing, the inside of wrench movement joint is provided with the torque spring component, the inside that strikes sensing element is electronic sensor, be connected with the structure piece through glossy connecting rod, the surface of smooth connecting rod is smooth, the CD coefficient is less, it is less to the influence of wave and stream in the water conservancy project basin, more has the superiority in little basin experiment.
Drawings
FIG. 1 is a perspective view of the structure of the mechanical gathering device of the present invention;
FIG. 2 is a perspective view of a wave-making plate structure of the present invention;
FIG. 3 is a cross-sectional view of the impingement box structure of the present invention;
FIG. 4 is a perspective view of the connecting rod and twist joint structure of the present invention;
fig. 5 is a top view of the internal structure of the structural block of the present invention.
In the figure, 1-wave making plate, 2-twisting joint, 3-connecting rod, 4-impact box, 5-mounting plate, 6-first mounting groove, 7-rotating block, 8-impact needle, 9-impact sensing element, 10-structure block, 11-limiting rod, 12-limiting hole, 13-second mounting groove, 14-fixing rod, 15-movable plate, 16-spring, 17-movable groove, 18-first sliding groove, 19-through hole, 20-box cover, 21-fixing frame, 22-first connecting bolt, 23-second connecting bolt, 24-second sliding groove, 25-water injection pipe and 26-water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a torsion bar type mechanical acquisition instrument comprises a wave making plate 1, a torsion joint 2 and a connecting rod 3, wherein the torsion joint is additionally arranged in the middle of a mounting plate, when a bottom structural block is stressed to deflect, the upper part and the lower part of the wave making plate are reversely deflected by the torsion joint and reset after each deflection, repeated adjustment is not needed in an experiment, the installation is simple and convenient, the wave making plate 1 is made of a stainless steel component, the specification and model of the wave making plate 1 are 50 x 30 x 15cm, the wave making plate is connected with the structural block through the smooth connecting rod, the surface of the smooth connecting rod is smooth, the CD coefficient is small, the influence on waves and flow in a hydraulic water tank is small, the torsion bar type mechanical acquisition instrument has superiority in small water tank experiments, a second chute 24 matched with the connecting rod 3 is formed in the position, which is positioned right below the mounting plate 5, the left side of the front side of the wave making plate 1 is communicated with a water injection pipe 25, and the inside of the water injection pipe 25 is movably, the right side of the wave making plate 1 is provided with a water outlet 26, the connecting rod 3 is made of an aluminum alloy die-casting component, the surface of the connecting rod is subjected to smooth processing, a torque spring component is arranged inside the torsional joint 2, the inside of the impact sensing element 9 is an electronic sensor, the output end of the impact sensing element 9 is electrically connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is connected with the input end of a display, the right side of the top of the wave making plate 1 is movably connected with the surface of the connecting rod 3, the impact box 4 is fixedly connected to the right side of the top of the wave making plate 1 and is positioned at the top of the connecting rod 3, the bottom of the impact box 4 is provided with a first chute 18 matched with the connecting rod 3, the top of the impact box 4 is provided with a through hole 19, the back of the top of the impact box 4 is hinged with a box cover 20, both sides of the impact box 4 are fixedly connected, the bottom of the mounting plate 5 is fixedly connected with the top of the wave making plate 1 through a second connecting bolt 23, the top of the wave making plate 1 is respectively provided with a first connecting threaded hole and a second connecting threaded hole which are matched with the first connecting bolt 22 and the second connecting bolt 23, the right side of the top of the wave making plate 1 is fixedly connected with the mounting plate 5, the mounting plate 5 is internally provided with a first mounting groove 6, the front and the back of the twisting joint 2 are both fixedly connected with rotating blocks 7, the sides, which are deviated from the two rotating blocks 7, of the two rotating blocks 7 are respectively and rotatably connected with the two sides of the inner wall of the first mounting groove 6, the bottom end of the connecting rod 3 penetrates through the twisting joint 2, the top end of the connecting rod 3 penetrates through the impact box 4 and extends to the inside of the impact box 4, one end, which extends to the inside of the impact box 4, is fixedly connected with an impact needle 8, the two sides, the inner part of the impact box is provided with a firing pin which is vertical to the connecting rod, the front inner wall and the rear inner wall of the impact box are provided with electronic sensors, when the firing pin impacts the electronic sensors, current can be generated and finally input into a computer end and is converted into a force value through the computer, so that the acquisition precision is higher, the output end of the impact sensing element 9 is electrically connected with the input end of the singlechip, the output end of the singlechip is connected with the input end of a display, the bottom end of the connecting rod 3 penetrating through the twisting joint 2 is movably connected with a structural block 10, the interior of the structural block 10 is provided with a second mounting groove 13, one side of the inner wall of the second mounting groove 13 is fixedly connected with a spring 16, one end of the spring 16 is fixedly connected with one side of a movable plate 15, the inner wall of the spring 16 is connected with the surface of the fixed rod 14 in a sliding manner, the interior of, two groups of second mounting grooves 13 are arranged in the structure block 10, one side of the inner wall of the second mounting groove 13 is fixedly connected with a fixed rod 14, the surface of the fixed rod 14 is connected with the inner part of a limiting rod 11 in a sliding way, one end of the limiting rod 11 close to the fixed rod 14 is fixedly connected with a movable plate 15, the periphery of the movable plate 15 is connected with the inner wall of the second mounting groove 13 in a sliding way, the tops of the front and the back of the circumferential surface of the structure block 10 are movably connected with the limiting rod 11, the front and the back of the bottom end of a connecting rod 3 are both provided with limiting holes 12 matched with the limiting rod 11, the connection between the connecting rod and the structure block is more convenient and quicker by utilizing the matching between the limiting rod and the limiting holes, compared with the traditional button type pressure mechanics acquisition instrument, the torsion rod type mechanics acquisition instrument realizes the conversion of force, compared with the traditional tension mechanics acquisition instrument, the torsion bar type mechanics acquisition instrument adopts a smooth torsion bar device with smaller CD coefficient, has smaller influence on water flow and wave factors in the experimental process, has wider application range, is connected with the surface of the limiting rod 11 and the inner wall of the limiting hole 12 in a sliding way, and belongs to the prior art known by technicians in the field without detailed description in the specification.
When the wave-making plate is used, water flow is introduced into the wave-making plate 1 through the water injection pipe 25, wave-making operation is carried out by utilizing a wave-making system in the wave-making plate 1, the water flow in the wave-making plate 1 acts on the structure block 10, the structure block 10 is stressed to drive the connecting rod 3 to swing in the impact box 4, the connecting rod 3 is utilized to drive the impact pin 8 to contact with the impact sensing elements 9 on two sides of the inner wall of the impact box 4, current is generated when the impact pin 8 impacts the electronic sensor and is finally input into a computer end, the current is converted into force values through the computer, so that the acquisition precision is higher, in addition, when the structure block 10 is stressed to deflect, the upper part and the lower part are reversely deflected by twisting the joint 2, the upper part and the lower part are reset after each deflection, repeated adjustment is not needed in an experiment, the installation is simple and convenient, the connecting rod 3 is matched and connected with the limiting rod 11 on the top of, make and carry out swing joint between gag lever post 11 and the spacing hole 12, realize the convenient connection between connecting rod 3 and the structure piece 10, compare with traditional button type pressure mechanics collection appearance, torsion bar type mechanics collection appearance passes through firing pin device and realizes power and electronic signal conversion, the precision that makes the hydraulic experiment is higher, compare with traditional tension mechanics collection appearance, torsion bar type mechanics collection appearance adopts the littleer smooth torsion bar device of CD coefficient, it is less to rivers and wave factor influence in the experimentation, and applicable scope is wider.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an appearance is gathered to torsion bar formula mechanics, includes and makes ripples board (1), wrench movement joint (2) and connecting rod (3), make the surface swing joint of the right side at ripples board (1) top and connecting rod (3), make ripples board (1) top right side and be located top fixedly connected with striking box (4) of connecting rod (3), its characterized in that: the right side of the top of the wave making plate (1) is fixedly connected with a mounting plate (5), a first mounting groove (6) is formed in the mounting plate (5), two opposite side surfaces of the twisting joint (2) are fixedly connected with rotating blocks (7), one side of each of the two rotating blocks (7) which deviates from each other is respectively connected with two sides of the inner wall of the first mounting groove (6) in a rotating manner, the bottom end of the connecting rod (3) penetrates through the twisting joint (2), the top end of the connecting rod (3) penetrates through the impact box (4) and extends into the impact box (4), one end of the connecting rod (3) which extends into the impact box (4) is fixedly connected with an impact needle (8), two sides of the inner wall of the impact box (4) are fixedly connected with impact sensing elements (9) through connecting pieces, and the bottom end of the connecting rod (3) which penetrates through the twisting joint (2) is movably connected with a structure block, the structure piece (10) is movably connected with a limiting rod (11) on two opposite side faces, a limiting hole (12) matched with the limiting rod (11) is formed in the two opposite side faces at the bottom end of the connecting rod (3), and the surface of the limiting rod (11) is connected with the inner wall of the limiting hole (12) in a sliding mode.
2. The torsion bar type mechanical acquisition instrument according to claim 1, wherein: second mounting groove (13) have been seted up to the inside of structure piece (10) to second mounting groove (13) are located the inside of structure piece (10) and have been seted up two sets ofly, one side fixedly connected with dead lever (14) of second mounting groove (13) inner wall to the inside sliding connection of the surface of dead lever (14) and gag lever post (11), gag lever post (11) are close to one end fixedly connected with fly leaf (15) of dead lever (14) to the inner wall sliding connection of fly leaf (15) all around with second mounting groove (13).
3. The torsion bar type mechanical acquisition instrument according to claim 2, wherein: one side fixedly connected with spring (16) of second mounting groove (13) inner wall, one end and the one side fixed connection of fly leaf (15) of spring (16) to the surface sliding connection of the inner wall of spring (16) and dead lever (14), movable groove (17) with dead lever (14) looks adaptation is seted up to the inside of gag lever post (11) to the inner wall of movable groove (17) and the surface sliding connection of dead lever (14).
4. The torsion bar type mechanical acquisition instrument according to claim 1, wherein: strike first spout (18) of seting up with connecting rod (3) looks adaptation in the bottom of box (4) to through-hole (19) have been seted up at the top of striking box (4), strike box (4) top surface and hinge through the hinge and have lid (20).
5. The torsion bar type mechanical acquisition instrument according to claim 1, wherein: the equal fixedly connected with mount (21) in both sides of striking box (4) to the bottom of two mounts (21) all passes through first connecting bolt (22) fixed connection with the top of making ripples board (1), the bottom of mounting panel (5) passes through second connecting bolt (23) fixed connection with the top of making ripples board (1), make the first connecting screw hole and the second connecting screw hole of ripples board (1) top offered respectively with first connecting bolt (22) and second connecting bolt (23) looks adaptation.
6. The torsion bar type mechanical acquisition instrument according to claim 1, wherein: make ripples board (1) top and be located mounting panel (5) under offer with second spout (24) of connecting rod (3) looks adaptation, the left side intercommunication of making ripples board (1) has water injection pipe (25) to the inside swing joint of water injection pipe (25) has the end cap, make the right side of ripples board (1) and seted up delivery port (26).
7. The torsion bar type mechanical acquisition instrument according to claim 1, wherein: the surface of connecting rod (3) is through smooth processing, the inside of wrench movement joint (2) is provided with the torque spring component, the inside of striking sensing element (9) is electronic sensor, the output of striking sensing element (9) and the input electric connection of singlechip to the output of singlechip is connected with the input of display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935437.7A CN110631802B (en) | 2019-09-29 | 2019-09-29 | Torsion bar type mechanical acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935437.7A CN110631802B (en) | 2019-09-29 | 2019-09-29 | Torsion bar type mechanical acquisition instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110631802A CN110631802A (en) | 2019-12-31 |
| CN110631802B true CN110631802B (en) | 2021-02-02 |
Family
ID=68973512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910935437.7A Active CN110631802B (en) | 2019-09-29 | 2019-09-29 | Torsion bar type mechanical acquisition instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110631802B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5487298A (en) * | 1994-03-22 | 1996-01-30 | The United States Of America As Represented By The Secretary Of The Army | Inertial Hopkinson bar shock sensor |
| JP2002340706A (en) * | 2001-05-15 | 2002-11-27 | Mitsubishi Electric Corp | Torque sensor |
| CN102207416B (en) * | 2011-04-04 | 2012-07-04 | 浙江大学 | Measuring device for water flow acting force of piles |
| CN202533245U (en) * | 2012-03-01 | 2012-11-14 | 深圳市亿威仕流体控制有限公司 | Solenoid valve water hammer test testing machine |
| CN105043632B (en) * | 2015-07-30 | 2017-06-16 | 中国水产科学研究院南海水产研究所 | A kind of subsea anchor rope tension harvester |
| CN105444939B (en) * | 2015-12-03 | 2018-02-02 | 上海交通大学 | A kind of wave slamming load measurement apparatus and method |
| CN109682571A (en) * | 2018-11-23 | 2019-04-26 | 河海大学 | A kind of water hammer and surge chamber system experimental bench |
| CN109580163B (en) * | 2018-12-25 | 2020-10-16 | 中国空气动力研究与发展中心低速空气动力研究所 | Torsion balance type two-degree-of-freedom force measuring balance and calibration and force measuring method thereof |
| CN110160683B (en) * | 2019-06-18 | 2021-03-16 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Mooring anchor chain tension sensing and measuring device capable of being installed without damage |
-
2019
- 2019-09-29 CN CN201910935437.7A patent/CN110631802B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110631802A (en) | 2019-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110631802B (en) | Torsion bar type mechanical acquisition instrument | |
| CN113188745B (en) | Method and device for testing wind load of crown of standing tree | |
| CN205016232U (en) | Improvement formula piano keyboard | |
| CN115046718A (en) | Building steel structure anti-seismic toughness detection device and detection method | |
| CN109360544B (en) | Musical instrument is played in music intelligence suggestion | |
| CN215375398U (en) | Soil sampling check out test set that environmental protection used | |
| CN205982612U (en) | On --spot parameter record appearance of electric energy meter | |
| CN209689746U (en) | A kind of multi-functional positioning device for sound level meter | |
| CN209948408U (en) | Door closing interlocking device of electric control cabinet | |
| CN208623996U (en) | Positioning device is used in a kind of assembling of board production | |
| CN208653860U (en) | Extractor and sand-taped instrument | |
| CN209593260U (en) | A kind of transduser cabinet | |
| CN207436763U (en) | Hinge and its electrical equipment | |
| CN113483935A (en) | Full-automatic batch torsion value testing component for electric screwdriver | |
| CN208075962U (en) | flowmeter sensor fixing device | |
| CN221470064U (en) | Sheep measurement and retention frame | |
| CN216235488U (en) | Dynamometer for elevator inspection and detection | |
| CN206147067U (en) | General testing arrangement of transfer case motor | |
| CN212629796U (en) | Be used for dendrobium officinale production to use filter equipment | |
| CN215115136U (en) | Lead screw working condition simulation testing machine | |
| CN205889065U (en) | Hammer convenient to it is flexible | |
| CN215114848U (en) | Sound level meter with wind speed detection function | |
| CN215068755U (en) | Portable piano finger training ware | |
| CN108522022A (en) | A kind of picking robot tail end arm collision sensing device | |
| CN219321833U (en) | Ammeter electric cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |