CN205079893U - Electronic first moment check -up equipment of improved generation - Google Patents
Electronic first moment check -up equipment of improved generation Download PDFInfo
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- CN205079893U CN205079893U CN201520663915.0U CN201520663915U CN205079893U CN 205079893 U CN205079893 U CN 205079893U CN 201520663915 U CN201520663915 U CN 201520663915U CN 205079893 U CN205079893 U CN 205079893U
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- checking table
- calibration equipment
- electrical header
- improved electric
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Abstract
The utility model relates to an electronic first moment check -up equipment of improved generation, include moment check table switch board and be connected with moment check table switch board, the moment check table body of a plurality of different ranges, each moment check table body includes stack flange assembly and the transmission center subassembly that docks mutually with electronic head, transmission center subassembly includes that it drives the shaft coupling subassembly and is controlled by moment check table switch board to superpose the stack of being connected each other with stack flange assembly, a magnetic powder brake for the braking, transmission center subassembly is still including setting up the planet transmission ware between stack drive shaft coupling subassembly and magnetic powder brake, and the planet transmission ware is connected with stack drive shaft coupling subassembly and magnetic powder brake linkage respectively, install a plurality of pressure sensor that are used for the effort of survey along the outer ring gear tangential direction on at the lateral surface of the outer ring gear of the planet of planet transmission ware wheel. Electronic first moment check -up equipment measurement accuracy height after the improvement, convenient operation, reliable and stable.
Description
Technical field
The utility model relates to technical field of industrial automatic control, more particularly, relates to a kind of improved electric head moment calibration equipment.
Background technology
Electrical header (electric operator) product belongs to a kind of industrial automation control appliance, and its function is: be arranged on all kinds of valve, makes valve can realize a kind of automatic control device of Long-distance Control.Intelligentized electrical header, except realizing the Push And Release of Long-distance Control valve, according to the moment values of setting, can also carry out the switch adjustment of valve.The setting of electrical header output torque is to ensure that valve is in suitable valve opening and closes valve moment, namely ensureing the tightness closing valve, and can fasten valve and be unlikely to again to close valve excessive damage valve, valve opening is also like this, avoids valve opening force excessive and damages valve.Owing to there being the function detecting moment and realization " moment is opened ", " moment pass ", so the moment values of necessary periodic calibrating electrical header, to guarantee the accuracy of the moment inspecting of electrical header, therefore the effect of moment calibration equipment is exactly the moment parameter for demarcating electrical header.
To be the patent of " a kind of electrical header torgue calibration equipment " of " 201410359086.7 " and number of patent application be " 201020125580.4 " " Intelligent torgue calibration equipment " patent that traditional moment calibration equipment patent applied for is number of patent application respectively.The formation of the driving-chain of traditional moment calibration equipment is: electric operator-interface module-torsion torque sensor-sliding cross coupling-reducer casing (variator)-magnetic powder brake, be characterized in selecting torsion torque sensor, and torsion torque sensor is directly connected in whole driving-chain, direct-detection moment, the precision of this moment calibration equipment, stability, repeatability is poor, and be limited by the precision of torque sensor and the stability of change speed gear box, unbalanced problem is there is in being input into of transmitting force with output, reducer casing friction force is large, precision is low, mission life is short.
Utility model content
The purpose of this utility model is to provide a kind of improved electric head moment calibration equipment, is the measuring equipment of a kind of high precision, high reliability, solves the precision of moment calibration equipment of the prior art, stability, repeated poor problem.
The technical scheme that the utility model technical solution problem adopts is: a kind of improved electric head moment calibration equipment, comprise moment checking table switch board and to be connected with described moment checking table switch board, for meeting the moment checking table body of the multiple different range of the moment verification of different size electrical header, moment checking table body described in each comprise connect with described electrical header superpose flange assembly and transmission center element, described transmission center element comprises and mutually to superpose the superposition be connected with described superposition flange assembly and drive coupling assembly and controlled by described moment checking table switch board, for the magnetic powder brake braked, described transmission center element also comprises the planetary transmission be arranged between described superposition driving coupling assembly and described magnetic powder brake, and described planetary transmission drives coupling assembly and described magnetic powder brake to be connected with described superposition respectively, at the lateral surface of the external toothing of the planetary gear of described planetary transmission, the multiple pressure transducers for measuring along the acting force in described external toothing tangential direction are installed.
In improved electric head moment calibration equipment of the present utility model, be provided with above described planetary transmission external toothing for limiting the limited block that described planetary transmission moves longitudinally and the wear-resisting ball steel ball be supported on below described external toothing.
In improved electric head moment calibration equipment of the present utility model, between the lower surface of described limited block and the upper surface of described external toothing, be provided with gap.
In improved electric head moment calibration equipment of the present utility model, described pressure transducer comprises at least two the first pressure transducers for measuring the acting force in the tangential direction counterclockwise along described external toothing and for measuring at least two the second pressure transducers along the acting force in the clockwise tangential direction of described external toothing.
In improved electric head moment calibration equipment of the present utility model, the quantity of described first pressure transducer is two and the setting that is centrosymmetric, and the quantity of described second pressure transducer is two and the setting that is centrosymmetric.
In improved electric head moment calibration equipment of the present utility model, described superposition flange assembly is made up of multiple flange for different size electrical header, described superposition drives coupling assembly to comprise multiple driving shaft coupling and multiple driving shaft coupling and the mutual stack combinations successively of multiple flange, and be connected with described electrical header near one end of the driving shaft coupling of described electrical header, be connected with described planetary transmission near one end of the driving shaft coupling of described planetary transmission.
In improved electric head moment calibration equipment of the present utility model, the output shaft of the below of described planetary transmission is provided with bevel gear component, the encoder component be meshed with described bevel gear component is provided with in the position that the side of described bevel gear component is corresponding, described encoder component realizes by the rotating speed measuring described transmission center element the output speed measuring electrical header, and described encoder component is electrically connected with described moment checking table switch board and passes through electric signal transmission.
In improved electric head moment calibration equipment of the present utility model, bevel gear component on output shaft below described planetary transmission is provided with manual adjusting device away from the corresponding position of the side of described encoder component, and manual adjusting device is meshed with described bevel gear component and realizes tested electrical header output shaft and dock with the accurate adjustment of described transmission center element.
In improved electric head moment calibration equipment of the present utility model, described manual adjusting device is configured with towards described bevel gear component telescopic moving and the adjustment handwheel be meshed, and described adjustment handwheel is configured with and makes described adjustment handwheel realize the spring of telescopic moving and reset.
In improved electric head moment calibration equipment of the present utility model, level meter is had in described moment checking table body arranged outside, the bottom of described moment checking table body is provided with horizontal calibrating device, by adjusting described horizontal calibrating device eye-level instrument until described moment checking table body is in the duty of level to ensure the precision that electrical header moment verifies; The housing of moment checking table body is preferably cylindrical; there are two arc protective handles the circumferencial direction of the plane of case top is horizontally outward extended; arc protective is protective effect moment checking table body being played to anticollision; be convenient to the effect playing handle when moment checking table body moves simultaneously; arc protective handle and housing are formed in one structure; case top working area is increased, forms a complete large plane, when planar structure facilitates electrical header dismounting, use instrument not hindered.
Implement improved electric head moment calibration equipment of the present utility model, there is following beneficial effect: the driving-chain formation of improved electric head moment calibration equipment of the present utility model is: electrical header-driving coupling assembly (flange assembly)-planetary transmission-magnetic powder brake, therefore structurally original reducer casing (variator) is changed into planetary transmission, eliminate the sliding cross coupling between torsion torque sensor and reducer casing; Pressure transducer is changed into by original torsion torque sensor; By originally check point being series in driving-chain, change into outside driving-chain.Make the electrical header moment calibration equipment measuring accuracy after improving high, easy to operate, reliable and stable by above-mentioned conversion, overcome in prior art and directly can only use torsion torque sensor and be series at the technology prejudice that could verify moment in driving-chain.The utility model adopts planetary transmission not only to have the function of speed change, the moment parameter that the pressure transmission simultaneously utilizing the pressure transducer of planetary transmission external toothing to detect will detect, drastically increase precision and stability, there is the advantages such as opposed configuration is compact, smooth running, speed (or torsion) transmitting accuracy is high, transmission efficiency is high, transmission speed ratio is large, load-bearing capacity is high, noise is low.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of improved electric head moment calibration equipment of the present utility model;
Fig. 2 is the cross-sectional schematic of the moment checking table body in improved electric head moment calibration equipment of the present utility model;
Fig. 3 is the structural representation of the planetary transmission in improved electric head moment calibration equipment of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the structure of improved electric head moment calibration equipment of the present utility model and action principle are described further:
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", indicating positions such as " counterclockwise " or position relationship are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
As shown in Figure 1, a kind of improved electric head moment calibration equipment, comprise moment checking table switch board 1 and be connected from moment checking table switch board 1, the moment checking table body 2 of multiple different range that verifies for the moment meeting different size electrical header, comprise four moment checking table bodies 2 in the present embodiment, concrete quantity can need according to actual measurement moment scope and determine.Moment checking table switch board 1 is also electrically connected with cable aviation socket 502.
As shown in Figure 2, each moment checking table body 2 comprises housing 201, the top platform of housing 201 is provided with and superposes flange assembly 202 and transmission center element for what connect with the electrical header (not having figure to indicate) of different size, transmission center element comprises and mutually to superpose the superposition be connected with superposition flange assembly 202 and drive coupling assembly 203 and computer-controlled, magnetic powder brake 205 for braking by moment checking table switch board 1.Superposition flange assembly 202 comprises multiple flange for different size electrical header, superposition drives coupling assembly 203 to comprise multiple driving shaft coupling, and multiple driving shaft coupling and the mutual stack combinations successively of multiple flange are to adapt to the installation of the electrical header of different size.In use, can the multigroup method orchid of a group or superposition be chosen flexibly according to the specification of electrical header and drive shaft coupling, electrical header is installed to the plain flange position on moment checking table body 1 top.Be provided with for over cap dust-proof under off working state at the top of superposition flange assembly 202, in a non-operative state, effectively can prevent dust from falling into superposition and drive in coupling assembly 203, avoid the installation having influence on electrical header.
Transmission center element also comprises the planetary transmission 204 be arranged between superposition driving coupling assembly 203 and magnetic powder brake 205, wherein be connected with electrical header near one end of the driving shaft coupling of electrical header, be connected with planetary transmission 204 near one end of the driving shaft coupling of planetary transmission 204.And planetary transmission 204 drives coupling assembly 203 and magnetic powder brake 205 to be connected with superposing respectively, is also connected with output shaft 208 between planetary transmission 204 and magnetic powder brake 205.Wherein electrical header, superposition drive coupling assembly 203, planetary transmission 204, output shaft 208, magnetic powders brake to be coaxially set along 205, define whole driving-chain, electrical header is the power of whole driving-chain, magnetic powder brake 205 plays braking action to whole driving-chain, arranging of magnetic powder brake 205 can carry out Based Intelligent Control by moment checking table switch board 1 to it, thus meets the moment verification of different size electrical header.
As shown in Figure 3, planetary transmission 204 comprise sun gear 209, with multiple planetary gears 212 of sun gear 209 phase bridle joint and the external toothing 210 with each planetary gear 212 phase bridle joint, wherein external toothing 210 suspends to install, and it bears the acting force of tangential direction when planetary gear 212 moves.Be provided with the multiple pressure transducers 211 for measuring along the acting force in external toothing 210 tangential direction at the lateral surface of the external toothing 210 of planetary transmission 204, wherein pressure transducer 211 comprises at least two the first pressure transducer 211a for measuring the acting force in the tangential direction counterclockwise along external toothing 210 and for measuring at least two the second pressure transducer 211b along the acting force in the clockwise tangential direction of external toothing 210.High-precision pressure transducer preferably selected by pressure transducer 211, in the present embodiment, the quantity of pressure transducer 211 is four, wherein the first pressure transducer 211a comprises two and the setting that is centrosymmetric, second pressure transducer 211b comprises two and the setting that is centrosymmetric equally, can reach like this detection evenly, object accurately, pressure transducer 211 also can comprise two or six etc. in other embodiments certainly.
Gear ratio based on planetary transmission 204 is large, and opposed configuration is compact, smooth running, the transmitting accuracy high of speed, torsion, makes the torque accuracy of verification high and reliable and stable.In addition, in the present embodiment, relative to prior art, pressure transducer 211 is changed into by original torsion torque sensor; By originally check point being series in whole driving-chain, change into the outside at driving-chain, make the electrical header moment calibration equipment measuring accuracy after improving high, easy to operate, reliable and stable by above-mentioned conversion, overcome in prior art and directly can only use torsion torque sensor and be series at the technology prejudice that could verify moment in driving-chain.
As shown in Figure 2, be provided with above the external toothing 210 of planetary transmission 204 for limiting the limited block 206 that planetary transmission 204 moves longitudinally and the wear-resisting ball steel ball 207 be supported on below external toothing 210.The installing plate of the below of external toothing 210 is provided with the first groove for installing wear-resisting ball steel ball 207, the degree of depth of the first groove is less than the radius of wear-resisting ball steel ball 207, external toothing 210 lower surface offers the second groove for installing wear-resisting ball steel ball 207, the degree of depth of same second groove is also less than the radius of wear-resisting ball steel ball 207, wear-resisting ball steel ball 207 is assemblied between two grooves, between external toothing 210 and lower attachment plate, leave certain gap, rolling friction is realized by wear-resisting ball steel ball 207, and then can avoid planetary transmission 204 is formed with unnecessary friction force, wherein the quantity of wear-resisting ball steel ball 207 is preferably four, certainly also can be six in other embodiments, eight etc.In addition, being formed with gap between the lower surface of limited block 206 and the upper surface of external toothing 210, is also that this clearance distance is preferably 0.2mm-0.5mm in order to avoid producing unnecessary friction force.By above-mentioned design, planetary transmission 204 can be reduced and produce unnecessary friction force, avoid this unnecessary acting force produced to affect the accuracy of pressure transducer measurement, and then the accuracy of verification electrical header moment can be improved.
As shown in Figure 2, the output shaft 208 of the below of planetary transmission 204 is provided with bevel gear component, the encoder component 400 be meshed with bevel gear component is provided with in the position that the side of bevel gear component is corresponding, encoder component 400 realizes by the rotating speed measuring transmission center element the output speed measuring electrical header, and coded device assembly 400 is electrically connected with moment checking table switch board 1 and passes through electric signal transmission.
Bevel gear component on output shaft 208 below planetary transmission 204 is provided with manual adjusting device 300 away from the corresponding position of the side of encoder component 400, and manual adjusting device 300 is meshed with bevel gear component and realizes tested electrical header output shaft and dock with the accurate adjustment of transmission center element.Wherein manual adjusting device 300 is configured with towards bevel gear component telescopic moving and the adjustment handwheel 301 be meshed, and adjustment handwheel 301 is configured with the spring 302 making adjustment handwheel 301 realize telescopic moving and reset.Adjustment handwheel 301 comprises the handle for handled easily stretched out in outside housing 201 and the engagement shaft for being meshed with the output shaft 208 below planetary transmission 204 be connected with handle, and spring 302 is set in engagement shaft periphery.Inwardly advance during manual adjustment, make it to engage with the bevel gear component that the output shaft 208 below planetary transmission 204 is settled, to realize adjustment; Adjust complete thrust of unclamping hand, namely the spring 302 of the Telescopic movable of manual adjusting device 300 resets, and the engagement shaft of manual adjusting device 300 departs from engagement.Wherein adjust between the handle of handwheel 301 and engagement shaft and removably connect, can by under handle release in shipment to facilitate, minimizing takes up room.
Level meter 501 is had in moment checking table body 2 arranged outside, the bottom of moment checking table body 2 is provided with horizontal calibrating device 503, by adjustment horizontal calibrating device 503 eye-level instrument 501 until moment checking table body 2 is in the duty of level to ensure the precision that electrical header moment verifies.By such design, can ensure that planetary transmission 204 level is steady, and then go out on external toothing 210 acting force tangentially by pressure transducer 211 Accurate Determining, could the moment of accurate verification electrical header.
Housing 201 is preferably cylindrical, and the circumferencial direction of the plane at housing 201 top is horizontally outward extended has two arc protectives 504.Arc protective, protective effect body being played to anticollision, is convenient to the effect playing handle when body moves simultaneously.Arc protective to be formed in one structure with housing 201 504, housing 201 operation at top area is increased, forms a complete large plane, can place tool and test instrumentation temporarily, and when planar structure facilitates electrical header dismounting, use instrument is not hindered.
The first universal wheel 505 facilitating the movement of moment checking table body 2 is symmetrically arranged with at the base circle of housing 201.
Moment checking table switch board 1 comprises cabinet and is arranged at cabinet top and vertical direction has certain inclination angle to carry out the control panel of electrical header moment verification for control moment checking table body 2, and control panel is connected with the data collector be arranged in cabinet, computing machine etc. respectively by control circuit.Wherein the bottom of cabinet is provided with the second universal wheel facilitating the movement of moment checking table switch board.
The driving-chain of improved electric head moment calibration equipment of the present utility model is formed: electrical header-driving coupling assembly (flange assembly)-planetary transmission-magnetic powder brake, therefore structurally original reducer casing (variator) is changed into planetary transmission, eliminate the sliding cross coupling between torsion torque sensor and reducer casing; Pressure transducer is changed into by original torsion torque sensor; By originally check point being series in driving-chain, change into outside driving-chain, make the electrical header moment calibration equipment measuring accuracy after improving high, easy to operate, reliable and stable by above-mentioned conversion, overcome in prior art and directly can only use torsion torque sensor and be series at the technology prejudice that could verify moment in driving-chain.The utility model adopts planetary transmission not only to have the function of speed change, the moment parameter that the pressure transmission simultaneously utilizing the pressure transducer of planetary transmission external toothing to detect will detect, drastically increase precision and stability, there is the advantages such as opposed configuration is compact, smooth running, speed (or torsion) transmitting accuracy is high, transmission efficiency is high, transmission speed ratio is large, load-bearing capacity is high, noise is low.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, all these improve or conversion all should belong within the protection domain of the utility model claims.
Claims (10)
1. an improved electric head moment calibration equipment, comprise moment checking table switch board (1) and to be connected with described moment checking table switch board, for meeting the moment checking table body (2) of the multiple different range of the moment verification of different size electrical header, moment checking table body (2) described in each comprise connect with described electrical header superpose flange assembly (202) and transmission center element, described transmission center element comprises and mutually to superpose the superposition be connected with described superposition flange assembly (202) and drive coupling assembly (203) and controlled by described moment checking table switch board (1), for the magnetic powder brake (205) braked, it is characterized in that, described transmission center element also comprises the planetary transmission (204) be arranged between described superposition driving coupling assembly (203) and described magnetic powder brake (205), and described planetary transmission (204) drives coupling assembly (203) and described magnetic powder brake (205) to be connected with described superposition respectively, the lateral surface of the external toothing (210) of the planetary gear (212) in described planetary transmission (204) is provided with the multiple pressure transducers (211) for measuring along the acting force in described external toothing (210) tangential direction.
2. improved electric head moment calibration equipment according to claim 1, it is characterized in that, described planetary transmission (204) external toothing (210) top is provided with for limiting the limited block (206) that described planetary transmission (204) moves longitudinally and the wear-resisting ball steel ball (207) being supported on described external toothing (210) below.
3. improved electric head moment calibration equipment according to claim 2, is characterized in that, is provided with gap between the lower surface of described limited block (206) and the upper surface of described external toothing (210).
4. improved electric head moment calibration equipment according to claim 1, it is characterized in that, described pressure transducer (211) comprises at least two the first pressure transducers (211a) for measuring the acting force in the tangential direction counterclockwise along described external toothing (210) and for measuring at least two the second pressure transducers (211b) along the acting force in described external toothing (210) clockwise tangential direction.
5. improved electric head moment calibration equipment according to claim 4, it is characterized in that, the quantity of described first pressure transducer (211a) is two and the setting that is centrosymmetric, and the quantity of described second pressure transducer (211b) is two and the setting that is centrosymmetric.
6. improved electric head moment calibration equipment according to claim 1, it is characterized in that, described superposition flange assembly (202) is made up of multiple flange for different size electrical header, described superposition drives coupling assembly (203) to comprise multiple driving shaft coupling and multiple driving shaft coupling and the mutual stack combinations successively of multiple flange, and be connected with described electrical header near one end of the driving shaft coupling of described electrical header, be connected with described planetary transmission (204) near one end of the driving shaft coupling of described planetary transmission (204).
7. improved electric head moment calibration equipment according to claim 1, it is characterized in that, the output shaft (208) of the below of described planetary transmission (204) is provided with bevel gear component, the encoder component (400) be meshed with described bevel gear component is provided with in the position that the side of described bevel gear component is corresponding, described encoder component (400) realizes by the rotating speed measuring described transmission center element the output speed measuring electrical header, and described encoder component (400) is electrically connected with described moment checking table switch board (1) and passes through electric signal transmission.
8. improved electric head moment calibration equipment according to claim 7, it is characterized in that, bevel gear component on the output shaft (208) of described planetary transmission (204) below is provided with manual adjusting device (300) away from the corresponding position of the side of described encoder component (400), and manual adjusting device (300) is meshed with described bevel gear component and realizes tested electrical header output shaft and dock with the accurate adjustment of described transmission center element.
9. improved electric head moment calibration equipment according to claim 8, it is characterized in that, described manual adjusting device (300) is configured with towards described bevel gear component telescopic moving and the adjustment handwheel (301) be meshed, and described adjustment handwheel (301) is configured with the spring (302) making described adjustment handwheel (301) realize telescopic moving and reset.
10. improved electric head moment calibration equipment according to claim 1, it is characterized in that, level meter (501) is had in described moment checking table body (2) arranged outside, the bottom of described moment checking table body (2) is provided with horizontal calibrating device (503), by adjusting described horizontal calibrating device (503) eye-level instrument (501) until described moment checking table body (2) is in the duty of level to ensure the precision that electrical header moment verifies, the housing (201) of moment checking table body (2) is preferably cylindrical, the circumferencial direction of the plane at housing (201) top is horizontally outward extended has two arc protectives (504), arc protective plays the protective effect of anticollision (504) to moment checking table body (2), be convenient to the effect playing handle when moment checking table body (2) moves simultaneously, arc protective is formed in one (504) and housing (201) structure, housing (201) operation at top area is increased, form a complete large plane, instrument is used not hindered when planar structure facilitates electrical header dismounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663915.0U CN205079893U (en) | 2015-08-28 | 2015-08-28 | Electronic first moment check -up equipment of improved generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663915.0U CN205079893U (en) | 2015-08-28 | 2015-08-28 | Electronic first moment check -up equipment of improved generation |
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| Publication Number | Publication Date |
|---|---|
| CN205079893U true CN205079893U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520663915.0U Withdrawn - After Issue CN205079893U (en) | 2015-08-28 | 2015-08-28 | Electronic first moment check -up equipment of improved generation |
Country Status (1)
| Country | Link |
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| CN (1) | CN205079893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043617A (en) * | 2015-08-28 | 2015-11-11 | 深圳市浚海仪表设备有限公司 | Improved apparatus for calibrating torque for electric actuator |
-
2015
- 2015-08-28 CN CN201520663915.0U patent/CN205079893U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043617A (en) * | 2015-08-28 | 2015-11-11 | 深圳市浚海仪表设备有限公司 | Improved apparatus for calibrating torque for electric actuator |
| WO2017035870A1 (en) * | 2015-08-28 | 2017-03-09 | 深圳市浚海仪表设备有限公司 | Improved electrically powered head torque-checking device |
| CN105043617B (en) * | 2015-08-28 | 2018-06-26 | 深圳市浚海新能源技术有限公司 | A kind of improved electric head torque calibration equipment |
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| CP01 | Change in the name or title of a patent holder |
Address after: 518000, China Phoenix Building, 2008 Shennan Road, Futian central, Guangdong, Shenzhen, 2, 24E Patentee after: Shenzhen City Jun Hai New Energy Technology Co. Ltd Address before: 518000, China Phoenix Building, 2008 Shennan Road, Futian central, Guangdong, Shenzhen, 2, 24E Patentee before: Shenzhen Giantsea Appearance Equipment Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20180626 |
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| AV01 | Patent right actively abandoned |