CN110319961B - Valve torque measuring system - Google Patents
Valve torque measuring system Download PDFInfo
- Publication number
- CN110319961B CN110319961B CN201910568168.5A CN201910568168A CN110319961B CN 110319961 B CN110319961 B CN 110319961B CN 201910568168 A CN201910568168 A CN 201910568168A CN 110319961 B CN110319961 B CN 110319961B
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- torque
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to a valve torque measuring system which comprises a rack assembly, a conveying assembly line, a conveying supporting plate, a positioning cylinder, a one-way switch head, a travel switch and a jacking cylinder, wherein the conveying assembly line is arranged on the rack assembly and used for conveying a valve to be measured, the conveying supporting plate is arranged on the conveying assembly line, the positioning cylinder is arranged on the rack assembly and used for ascending to block the conveying supporting plate from advancing, the one-way switch head is arranged on the rack assembly and located in front of the positioning cylinder, the travel switch is arranged on the one-way switch head and used for being in contact with the conveying supporting plate, and the jacking cylinder is arranged between the one-. The invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a valve torque measurement system.
Background
Industrial valves, such as stop valves, ball valves, gate valves, butterfly valves, etc., are mechanical products that are subjected to internal pressure and must be opened and closed at a rated pressure and a rated flow rate, and the opening and closing force and the opening and closing torque are applied to open or close the valves. The valve opening and closing moment is an important index for reflecting the comprehensive level of the valve, and at present, all valve inspection devices mainly measure the strength and the sealing performance of the valve according to national standards, so that the operation and the use performance of the valve cannot be reflected by the inspection. The opening and closing torque of the valve is related to the design, manufacture and use of the valve, actual valve torque data is lacked, problems often occur in the matching aspect of type selection of a driving device, either torque selection is excessive, waste is caused, or torque selection is insufficient and the valve cannot be used. At present, a torque wrench manual operation mode is mainly adopted for valve torque testing, a large-caliber valve can be detected by a plurality of people, the labor intensity of the detection mode is high, the force application size and the speed are not uniform, and if thousands of cycle tests are carried out, the test times are difficult to guarantee. The American Petroleum institute standard API6D has a definite specified torque measurement mode for valve opening and closing torque measurement, the existing detection machine cannot meet the requirement of applying corresponding pressure to carry out torque detection, and the CN201120490149.4 valve pressure and torque testing machine is simple in structure and cannot realize automatic testing.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a valve torque measuring system.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the utility model provides a valve torque measurement system, including the frame assembly, set up the conveying assembly line that just is used for conveying the valve to be measured on the frame assembly, the conveying layer board of setting on the conveying assembly line, the setting just is used for rising to block the location cylinder that conveying layer board moved ahead on the frame assembly, the one-way switch head that sets up just is located location cylinder the place ahead on the frame assembly, the travel switch who sets up on the one-way switch head and be used for with the contact of conveying layer board, and set up the jacking cylinder that just is used for upwards lifting the conveying layer board between one-way switch head and location cylinder.
As a further improvement of the above technical solution:
the conveying assembly line comprises a conveying belt frame body, a circulating conveying belt arranged on the conveying belt frame body, a tensioning driven wheel arranged on the conveying belt frame body and in contact with the circulating conveying belt, a tensioning oil cylinder arranged on the conveying belt frame body and driving the tensioning driven wheel to move, and side guardrails arranged on two sides of the circulating conveying belt.
A positioning mould is arranged on the conveying supporting plate, and supporting plate inverted L-shaped pressing plates are arranged on two sides of the conveying supporting plate along the longitudinal direction; the positioning mould is longitudinally and movably arranged between a transverse plate of the inverted L-shaped pressing plate of the supporting plate and the conveying supporting plate;
the upper surface of one longitudinal end of the positioning mould is provided with a longitudinal forward inclined plane, the lower surface of one longitudinal end of the positioning mould is provided with a longitudinal forward lower socket, and the conveying supporting plate is provided with a longitudinal forward C-shaped push rod which is in pressure contact with the longitudinal forward inclined plane and the longitudinal forward lower socket;
the upper surface of the other longitudinal end of the positioning mould is provided with a mould rear positioning inclined plane, the other longitudinal end surface of the positioning mould is provided with a longitudinal rear positioning arc corresponding to the mould rear positioning inclined plane, the conveying supporting plate is provided with a longitudinal rear positioning seat used for contacting the longitudinal rear positioning arc, the longitudinal rear positioning seat is provided with a longitudinal rear pressing baffle plate in a lifting way, and the longitudinal rear pressing baffle plate is provided with a mould rear inclined pressing surface used for contacting the mould rear positioning inclined plane.
The longitudinal side edge of the conveying supporting plate is provided with a supporting plate side positioning inclined plane, the rack assembly is telescopically provided with a transverse telescopic push rod, and the transverse telescopic push rod is provided with a transverse inclined pressing inclined wedge which is used for extending out to be in contact with the supporting plate side positioning inclined plane.
And a torque measuring device is arranged on the outer side of the jacking cylinder.
The torque measuring device comprises a torque driving air cylinder arranged on the frame assembly in a swinging mode, a torque middle support arranged at the front end of the torque driving air cylinder, a torque first linkage rod, a torque second linkage rod, a torque swinging rod, a torque jacking push rod and a torque jacking sealing head, wherein one end of the torque first linkage rod is hinged with the end part of a piston rod of the torque driving air cylinder, the other end of the torque first linkage rod is hinged with the torque middle support, the root of the torque second linkage rod is hinged with the end part of the piston rod of the torque driving air cylinder, the middle of the torque second linkage rod is hinged with the torque swinging rod, the torque jacking push rod is vertically arranged at the end part of the torque swinging rod, and the torque jacking sealing head is arranged on the torque jacking push rod and used;
the root part of the torque swinging rod is positioned at the rear part of the hinge joint of the first torque linkage rod and the torque middle bracket;
a torque inlet and outlet valve is arranged on the torque jacking sealing head;
the valve rod of the valve to be tested is provided with a gear, and the output end of a torque output push rod of the force measuring machine is connected with a torque gear rack component meshed with the gear.
The torque propping sealing head comprises a torque sealing end face corresponding to the valve to be tested and a torque positioning conical head arranged on the torque sealing end face.
And a transverse plate of the inverted L-shaped pressing plate of the supporting plate is provided with a supporting plate pressing plate top which is in pressure contact with the upper surface of the conveying supporting plate. The advantageous effects of the present invention are described in more detail in the detailed description section.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the conveyor belt of the present invention.
Wherein: 1. a valve to be tested; 7. a conveyor belt frame; 8. a circulating conveyor belt; 9. tensioning the driven wheel; 10. a tensioning oil cylinder; 11. a side guard rail is arranged; 12. positioning the air cylinder; 13. a one-way switch head; 14. a travel switch; 15. jacking a cylinder; 16. conveying the supporting plate; 17. positioning a mould; 18. the supporting plate is an inverted L-shaped pressing plate; 19. supporting plate pressing plate top; 20. a longitudinal rear positioning seat; 21. longitudinally back pressing the baffle; 22. inclining a pressing surface behind the clamping fixture; 23. a longitudinal posterior positioning arc; 24. positioning the inclined plane behind the mould; 25. a positioning inclined plane is arranged on the side of the supporting plate; 26. a push rod with a front C opening in the longitudinal direction; 27. a longitudinal forward inclined plane; 28. a longitudinal front lower socket; 29. transversely and obliquely pressing the wedge; 30. a transverse telescopic push rod; 31. a torque measuring device; 32. a torque drive cylinder; 33. a torque first linkage rod; 34. a torque intermediate support; 35. a torque second linkage rod; 36. a torque swing lever; 37. the torque pushes the push rod; 38. the torque tightly pushes the sealing head; 39. a torque positioning cone head; 40. a torque seal end face; 41. a torque inlet and outlet valve; 42. a torque output push rod; 43. a torque gear rack assembly.
Detailed Description
As shown in all the figures, the valve torque measuring system of the embodiment includes a rack assembly, a conveying line arranged on the rack assembly and used for conveying the valve 1 to be measured, a conveying supporting plate 16 arranged on the conveying line, a positioning cylinder 12 arranged on the rack assembly and used for ascending to block the conveying supporting plate 16 from advancing, a one-way switch head 13 arranged on the rack assembly and located in front of the positioning cylinder 12, a travel switch 14 arranged on the one-way switch head 13 and used for contacting with the conveying supporting plate 16, and a jacking cylinder 15 arranged between the one-way switch head 13 and the positioning cylinder 12 and used for jacking the conveying supporting plate 16 upwards.
The conveying assembly line comprises a conveying belt frame body 7, a circulating conveying belt 8 arranged on the conveying belt frame body 7, a tensioning driven wheel 9 arranged on the conveying belt frame body 7 and in contact with the circulating conveying belt 8, a tensioning oil cylinder 10 arranged on the conveying belt frame body 7 and driving the tensioning driven wheel 9 to move, and side guardrails 11 arranged on two sides of the circulating conveying belt 8.
A positioning mould 17 is placed on the conveying supporting plate 16, and supporting plate inverted L-shaped pressing plates 18 are arranged on two sides of the conveying supporting plate 16 along the longitudinal direction; the positioning mould 17 is longitudinally and movably arranged between a transverse plate of the supporting plate inverted L-shaped pressing plate 18 and the conveying supporting plate 16;
a longitudinal front inclined plane 27 is arranged on the upper surface of one longitudinal end of the positioning mould 17, a longitudinal front lower socket 28 is arranged on the lower surface of one longitudinal end of the positioning mould 17, and a longitudinal front C-port push rod 26 which is in pressure contact with the longitudinal front inclined plane 27 and the longitudinal front lower socket 28 is arranged on the conveying supporting plate 16;
a mould rear positioning inclined plane 24 is arranged on the upper surface of the other longitudinal end of the positioning mould 17, a longitudinal rear positioning arc 23 corresponding to the mould rear positioning inclined plane 24 is arranged on the other longitudinal end surface of the positioning mould 17, a longitudinal rear positioning seat 20 for contacting the longitudinal rear positioning arc 23 is arranged on the conveying supporting plate 16, a longitudinal rear pressing baffle 21 is arranged on the longitudinal rear positioning seat 20 in an ascending and descending manner, and a mould rear inclined pressing surface 22 for contacting the mould rear positioning inclined plane 24 is arranged on the longitudinal rear pressing baffle 21.
The longitudinal side edge of the conveying supporting plate 16 is provided with a supporting plate side positioning inclined surface 25, a transverse telescopic push rod 30 is telescopically arranged on the frame assembly, and a transverse inclined pressing inclined wedge 29 which is used for extending to contact with the supporting plate side positioning inclined surface 25 is arranged on the transverse telescopic push rod 30.
A torque measuring device 31 is provided outside the lift cylinder 15.
The torque measuring device 31 comprises a torque driving cylinder 32 arranged on the frame assembly in a swinging mode, a torque middle support 34 arranged at the front end of the torque driving cylinder 32, a torque first linkage rod 33, a torque second linkage rod 35, a torque swinging rod 36, a torque jacking push rod 37 and a torque jacking sealing head 38, wherein one end of the torque first linkage rod is hinged with the end part of a piston rod of the torque driving cylinder 32, the other end of the torque first linkage rod is hinged on the torque middle support 34, the root of the torque second linkage rod is hinged with the end part of the piston rod of the torque driving cylinder 32 and the end part of the torque first linkage rod 33, the root of the torque swinging rod is hinged on the torque middle support 34, the middle part of the torque swinging rod is hinged with the torque second linkage rod 35, the torque jacking push rod 37 is vertically arranged at the end part;
the root of the torque swinging rod 36 is positioned at the rear part of the hinged part of the torque first linkage rod 33 and the torque middle bracket 34;
a torque inlet and outlet valve 41 is arranged on the torque tightening sealing head 38;
the valve rod of the valve 1 to be tested is provided with a gear, and the output end of a torque output push rod 42 of the force measuring machine is connected with a torque gear rack assembly 43 meshed with the gear.
The torque tightening sealing head 38 comprises a torque sealing end surface 40 corresponding to the valve 1 to be tested and a torque positioning conical head 39 arranged on the torque sealing end surface 40.
A pallet press head 19 for pressure-contacting the upper surface of the transfer pallet 16 is provided on the cross plate of the pallet inverted-L-shaped press plate 18.
A valve torque measurement method comprising the steps of;
firstly, installing a valve 1 to be tested on a positioning mould 17; then, the positioning jig 17 is placed on the transfer pallet 16; secondly, a longitudinal front C-shaped port push rod 26 is in pressure contact with a longitudinal front inclined plane 27 and a longitudinal front lower insertion port 28, and meanwhile, the positioning mould 17 is moved longitudinally along the supporting plate inverted L-shaped pressing plate 18, so that a longitudinal rear positioning arc 23 is in contact with a longitudinal rear positioning seat 20; thirdly, the longitudinal rear pressing baffle 21 is pressed down to the rear positioning inclined plane 24 of the mould; then, the tensioning oil cylinder 10 drives the tensioning driven wheel 9 to enable the circulating conveyor belt 8 to be loosened, so that the conveying supporting plate 16 is located on the conveyor belt frame body 7; next, the transverse inclined pressing wedge 29 presses the supporting plate side positioning inclined plane 25 to tightly press the conveying supporting plate 16, and the belt side guardrail 11 realizes lateral fixation;
step two, firstly, when the torque measuring section is reached, the torque passes through the corresponding one-way switch head 13; then, the positioning cylinder 12 senses the signal output by the one-way switch head 13 to rise, and stops the conveying supporting plate 16 from going forwards; secondly, the jacking cylinder 15 jacks up the conveying supporting plate 16;
firstly, the torque driving cylinder 32 drives the torque swinging rod 36 to swing through the torque first linkage rod 33 and the torque second linkage rod 35, so that the torque jacking sealing head 38 is pressed on the corresponding sealing end of the valve 1 to be tested; then, liquid or gas with corresponding pressure is input through the torque inlet and outlet valve 41;
and step four, the force measuring machine opens and closes the valve 1 to be measured through the torque gear rack assembly 43 and records the torque value.
When the invention is used, the torque test of a valve 1 to be tested is realized, the conveyor belt frame body 7 is supported, the transmission of the circulating conveyor belt 8 is realized, the tensioning driven wheel 9 is driven by the tensioning oil cylinder 10, so that the supporting plate is pressed downwards and is clamped by the side guard rail 11, the positioning air cylinder 12 is used for realizing auxiliary jacking and pushing the supporting plate out of the guard rail, the stress of the conveyor belt is avoided, the one-way switch head 13 and the travel switch 14 realize position signal output, the jacking air cylinder 15 realizes longitudinal clamping, the conveying supporting plate 16 is convenient to transmit, the positioning mould 17 realizes rapid positioning, the inverted L-shaped pressing plate 18 of the supporting plate is guided, the pressing is assisted by the supporting plate pressing plate jacking head 19, the longitudinal rear positioning seat 20, the longitudinal rear pressing baffle 21, the rear inclined pressing surface 22 of the mould, the longitudinal rear positioning arc 23, the rear positioning inclined surface 24 of the mould, the side positioning inclined surface 25 of the supporting plate, the push rod 26, the transverse inclined pressing wedge 29 and the transverse telescopic push rod 30 realize the longitudinal automatic positioning and clamping. The torque measuring device 31 realizes measurement, a torque middle support 34 is used as a support, a torque driving cylinder 32 is opened and closed greatly through a torque first linkage rod 33, a torque second linkage rod 35 and a torque swinging rod 36, a torque top pressure push rod 37 realizes fine adjustment of a torque top tight sealing head 38, a torque positioning conical head 39 is positioned, a torque sealing end face 40 is sealed, a torque inlet and outlet valve 41 realizes input or output, and torque measurement is realized through a torque output push rod 42 and a torque gear rack assembly 43.
The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use.
The present invention has been fully described for a clear disclosure and is not to be considered as an exemplification of the prior art.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A valve torque measurement system, characterized by: the automatic lifting device comprises a rack assembly, a conveying assembly line arranged on the rack assembly and used for conveying a valve (1) to be tested, a conveying supporting plate (16) arranged on the conveying assembly line, a positioning cylinder (12) arranged on the rack assembly and used for ascending to block the conveying supporting plate (16) to move forwards, a one-way switch head (13) arranged on the rack assembly and located in front of the positioning cylinder (12), a travel switch (14) arranged on the one-way switch head (13) and used for contacting with the conveying supporting plate (16), and a lifting cylinder (15) arranged between the one-way switch head (13) and the positioning cylinder (12) and used for lifting the conveying supporting plate (16) upwards, wherein the conveying assembly line comprises a conveying belt rack body (7), a circulating conveying belt (8) arranged on the conveying belt rack body (7), a tensioning driven wheel (9) arranged on the conveying belt rack body (7) and contacted with the circulating conveying belt (8), The belt conveying device comprises a tensioning oil cylinder (10) which is arranged on a belt conveying frame body (7) and drives a tensioning driven wheel (9) to move, and belt side guardrails (11) which are arranged on two sides of a circulating conveying belt (8), wherein a positioning mould (17) is placed on a conveying supporting plate (16), and supporting plate inverted L-shaped pressing plates (18) are arranged on two sides of the conveying supporting plate (16) along the longitudinal direction; the positioning clamping fixture (17) is longitudinally and movably arranged between a transverse plate of the supporting plate inverted L-shaped pressing plate (18) and the conveying supporting plate (16);
a longitudinal forward inclined plane (27) is arranged on the upper surface of one longitudinal end of the positioning mould (17), a longitudinal forward lower socket (28) is arranged on the lower surface of one longitudinal end of the positioning mould (17), and a longitudinal forward C-port push rod (26) which is in pressure contact with the longitudinal forward inclined plane (27) and the longitudinal forward lower socket (28) is arranged on the conveying supporting plate (16);
the upper surface of the other longitudinal end of the positioning mould (17) is provided with a mould rear positioning inclined plane (24), the other longitudinal end surface of the positioning mould (17) is provided with a longitudinal rear positioning arc (23) corresponding to the mould rear positioning inclined plane (24), the conveying supporting plate (16) is provided with a longitudinal rear positioning seat (20) used for contacting the longitudinal rear positioning arc (23), the longitudinal rear positioning seat (20) is provided with a longitudinal rear pressure baffle (21) in an ascending and descending manner, and the longitudinal rear pressure baffle (21) is provided with a mould rear inclined pressure surface (22) used for contacting the mould rear positioning inclined plane (24).
2. The valve torque measuring system according to claim 1, wherein a pallet side positioning inclined plane (25) is arranged at the longitudinal side edge of the conveying pallet (16), a transverse telescopic push rod (30) is telescopically arranged on the frame assembly, and a transverse inclined pressing inclined wedge (29) for extending to contact with the pallet side positioning inclined plane (25) is arranged on the transverse telescopic push rod (30).
3. The valve torque measuring system according to claim 2, wherein a torque measuring device (31) is provided outside the lift cylinder (15).
4. The valve torque measuring system according to claim 3, wherein the torque measuring device (31) comprises a torque driving cylinder (32) arranged on the frame assembly in a swinging manner, a torque middle bracket (34) arranged at the front end of the torque driving cylinder (32), a torque first linkage rod (33) with one end hinged with the end of a piston rod of the torque driving cylinder (32) and the other end hinged with the torque middle bracket (34), a torque second linkage rod (35) with the root hinged with the end of the piston rod of the torque driving cylinder (32) and the end of the torque first linkage rod (33), a torque swinging rod (36) with the root hinged with the torque middle bracket (34) and the middle hinged with the torque second linkage rod (35), a torque jacking push rod (37) vertically arranged at the end of the torque swinging rod (36), and a torque jacking head arranged on the torque jacking push rod (37) and used for being pressed into a sealing end corresponding to the valve (1) to be measured (38) (ii) a
The root of the torque swinging rod (36) is positioned at the rear part of the hinged part of the torque first linkage rod (33) and the torque middle bracket (34);
a torque inlet and outlet valve (41) is arranged on the torque tightening sealing head (38);
the valve rod of the valve (1) to be tested is provided with a gear, and the output end of a torque output push rod (42) of the force measuring machine is connected with a torque gear rack assembly (43) meshed with the gear.
5. The valve torque measuring system according to claim 4, wherein the torque tightening sealing head (38) comprises a torque sealing end surface (40) corresponding to the valve (1) to be tested and a torque positioning conical head (39) arranged on the torque sealing end surface (40).
6. The valve torque measuring system according to claim 5, wherein a pallet press plate top (19) for pressure contact with the upper surface of the transfer pallet (16) is provided on a cross plate of the pallet inverted L-shaped press plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568168.5A CN110319961B (en) | 2019-06-27 | 2019-06-27 | Valve torque measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568168.5A CN110319961B (en) | 2019-06-27 | 2019-06-27 | Valve torque measuring system |
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| Publication Number | Publication Date |
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| CN110319961A CN110319961A (en) | 2019-10-11 |
| CN110319961B true CN110319961B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910568168.5A Active CN110319961B (en) | 2019-06-27 | 2019-06-27 | Valve torque measuring system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110319961B (en) * | 2019-06-27 | 2021-03-23 | 保一集团有限公司 | Valve torque measuring system |
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| CN1654937A (en) * | 2004-06-30 | 2005-08-17 | 上海增欣机电设备制造有限公司 | Valve automatic test assembly line |
| CN101846575A (en) * | 2010-04-22 | 2010-09-29 | 安徽马东机械制造有限公司 | Air tightness detecting device of valve |
| CN205972710U (en) * | 2016-07-28 | 2017-02-22 | 昆山苏创达自动化有限公司 | Hold -in range assembly line |
| ES2574493B1 (en) * | 2014-12-18 | 2017-04-11 | Consejo Superior De Investigaciones Científicas (Csic) | Valve test machine and associated procedure |
| KR20170091373A (en) * | 2016-02-01 | 2017-08-09 | 울산대학교 산학협력단 | Torque measuring device for a portable ball valve |
| CN108444658A (en) * | 2018-06-26 | 2018-08-24 | 深圳市威富通讯技术有限公司 | Online air-tightness testing device and assembly line |
| CN110319961A (en) * | 2019-06-27 | 2019-10-11 | 保一集团有限公司 | Valve torque measuring system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7739923B2 (en) * | 2005-06-23 | 2010-06-22 | Shikoku Research Institute Incorporated | Torque measuring method and apparatus for motor-operated valve |
| CN208505606U (en) * | 2018-08-03 | 2019-02-15 | 超达阀门集团股份有限公司 | A kind of harsh operating condition valve tester that can monitor valve torque and sealing |
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2019
- 2019-06-27 CN CN201910568168.5A patent/CN110319961B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654937A (en) * | 2004-06-30 | 2005-08-17 | 上海增欣机电设备制造有限公司 | Valve automatic test assembly line |
| CN101846575A (en) * | 2010-04-22 | 2010-09-29 | 安徽马东机械制造有限公司 | Air tightness detecting device of valve |
| ES2574493B1 (en) * | 2014-12-18 | 2017-04-11 | Consejo Superior De Investigaciones Científicas (Csic) | Valve test machine and associated procedure |
| KR20170091373A (en) * | 2016-02-01 | 2017-08-09 | 울산대학교 산학협력단 | Torque measuring device for a portable ball valve |
| CN205972710U (en) * | 2016-07-28 | 2017-02-22 | 昆山苏创达自动化有限公司 | Hold -in range assembly line |
| CN108444658A (en) * | 2018-06-26 | 2018-08-24 | 深圳市威富通讯技术有限公司 | Online air-tightness testing device and assembly line |
| CN110319961A (en) * | 2019-06-27 | 2019-10-11 | 保一集团有限公司 | Valve torque measuring system |
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