CN206410819U - 2MN dead weight superimposion formula force standard machineses - Google Patents
2MN dead weight superimposion formula force standard machineses Download PDFInfo
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- CN206410819U CN206410819U CN201720101527.2U CN201720101527U CN206410819U CN 206410819 U CN206410819 U CN 206410819U CN 201720101527 U CN201720101527 U CN 201720101527U CN 206410819 U CN206410819 U CN 206410819U
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- trave lling
- lling girder
- suspension rod
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Abstract
2MN dead weight superimposion formula force standard machineses, including top load maintainer, frame；Top load maintainer includes upper beam, base, four ball screws, trave lling girder, four, periphery support columns；Four ball-screws are arranged in upper beam and base, and trave lling girder is set on four ball-screws；Frame is located at below base；Frame constitutes a rigid cage structure；Also include 2MN oil cylinder pistons, bearing plate and standard transducer group；2MN oil cylinder pistons are installed on upper beam；Standard transducer group is by 3 680KN sensor groups into its installation by adhering is in trave lling girder；Bearing plate is arranged on trave lling girder.The utility model realizes the two-in-one of Dead Weigh Force Standard Machine and superposing type force standard machine, effectively improves utilization rate of equipment and installations and detection efficiency.And realize the hanging mechanism design and manufacture of accessible dismounting counterweight.
Description
【Technical field】
The utility model belongs to the technical field of force standard machines, specifically refers to a kind of 2MN dead weights superimposion formula power standard
Machine.
【Background technology】
Force measure and economic construction, national defense construction, scientific research and the people's lives of country have important relation.Power
Standard set-up is generation standard force value, the Force measure standard for examining and determine, calibrating standard dynamometer or force snesor, is referred to as
Force standard machines.Force standard machines generally has four types：Dead weight type safe, lever, fluid pressure type and superposing type.
Force value is produced using the gravity of counterweight in earth gravitational field and sets up force value base, standard, and counterbalance mass is directly traceable to
Quality standard, can obtain the higher degree of accuracy, and the force standard machines of this type is referred to as " Dead Weigh Force Standard Machine ".At present,
Countries in the world are using benchmark of the Dead Weigh Force Standard Machine as magnitude tracing, and maximum Dead Weigh Force Standard Machine is U.S. in the world
State's national standard and the 1000klbf (about 4.5MN) of technical research institute (NIST), force value are 0.002% with respect to expanded uncertainty
(k=3)；The Dead Weigh Force Standard Machine of Largest In China is stored in the 1MN force value National primary standards of China Testing Technology Institute, power
The relative expanded uncertainty of value is 0.002% (k=3).Dead Weigh Force Standard Machine is bulky, involve great expense, because of its degree of accuracy
The highest standard (benchmark) as Force measure is set up in highest, countries in the world.
Using force snesor as normative reference, and tested sensor series, mechanically or hydraulically to apply load
The force standard machines of this type, is referred to as " superposing type force standard machine " by force standard machines in the world.Due to superposing type force standard machine
Cost simple in construction is relatively low, and the degree of accuracy is without Dead Weigh Force Standard Machine height but the need for meeting calibrating, calibration, therefore
Used by countries in the world.
【The content of the invention】
Technical problem to be solved in the utility model is to provide a kind of 2MN dead weights superimposion formula force standard machines, real
Existing Dead Weigh Force Standard Machine and superposing type force standard machine it is two-in-one, effectively improve utilization rate of equipment and installations and detection efficiency.
What the utility model was realized in：
2MN dead weight superimposion formula force standard machineses, including top load maintainer, frame；The top load maintainer includes
Upper beam, base, four ball screws, trave lling girder, four, periphery support columns；Four ball-screws be arranged in the upper beam and
The base, the trave lling girder is set on four ball-screws；The frame is located at below the base；The frame
The rigid cage structure of composition one；Also include 2MN oil cylinder pistons, bearing plate and standard transducer group；The 2MN oil cylinder pistons peace
Loaded on the upper beam；The standard transducer group is by 3 680KN sensor groups into its installation by adhering is in the trave lling girder
In；The bearing plate is arranged on the trave lling girder.
Further, the top load maintainer is additionally provided with reverser, pulls to connector；Center is provided with the frame
Suspension rod；The reverser includes upper bracket, column, undersetting；Pass through the column between the upper bracket and the undersetting
Connection；The column is located on the trave lling girder, and the upper undersetting is located at the trave lling girder upper and lower respectively；It is described to pull to
It is connected through a screw thread between connector and the center suspension rod；Pass through a joint shaft between the undersetting and the center suspension rod
Hold connection；The oscillating bearing includes ball joint, an arc located at the undersetting inside bottom with centre bore
Shape face supporting piece；The ball joint with centre bore is sheathed on the center suspension rod；The sphere with centre bore connects
Fitting bottom is sphere, is abutted against with the arcwall face supporting piece；The quantity of the column be three, the upper bracket with it is described
Interval is uniformly distributed between undersetting.
Further, the bottom of the frame is mounting seat；The mounting seat is hollow structure, and one side is transmission；One weight
Code dismounting travel mechanism stretched into from the mounting seat transmission position in the mounting seat hollow structure, for by counterweight out of frame
Take out；One outside elevating mechanism is stretched into frame, for counterweight to be lifted in frame；Hung in the frame provided with center
Bar, counterweight, weight tray, cutting ferrule；The counterweight and weight tray are sheathed on the center suspension rod；Set on the center suspension rod
There is a groove；The cutting ferrule is two semicircular snap rings；The second sleeve connection is arranged in the groove；The counterweight
The outward flange of pallet is extended downwardly, and the cutting ferrule being arranged in the groove is entered into row constraint just.
Further, the frame inner bottom part center is equiped with a hangar system stress state detection means, including an inspection
Survey seat, six contactless probes；The detection seat is cirque structure, concentric with hangar system；The detection seat includes substrate
Portion, ring part；Six contactless probes are uniformly distributed on the ring part.
Further, the contactless probe is non-contact displacement transducer.
The utility model has the advantage of：
The utility model 2MN dead weight superimposion formula power standard set-ups, are designed using dead weight superimposion formula, can effectively carried
High detection efficiency and utilization rate of equipment and installations.The utility model is improved design to Dead Weigh Force Standard Machine structure emphatically, is specially
The hanging mechanism design and manufacture of accessible dismounting counterweight, the design of superposition dead weight combined type rack construction and manufacture can be achieved.
【Brief description of the drawings】
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the utility model structural representation.
Fig. 2 is the chopped-off head hanging part-structure schematic diagram in the utility model.
Fig. 3 is the oscillating bearing part-structure schematic diagram in the utility model.
Fig. 4 is the rack construction schematic diagram in the utility model.
Fig. 5 is counterweight and weight tray apparatus structure schematic diagram in the utility model.
Fig. 6 is the hangar system stress state detection means in the utility model.
【Embodiment】
As shown in figure 1,2MN dead weight superimposion formula force standard machineses, including top load maintainer 1, frame 2；The top
Load maintainer 1 includes upper beam 11, base 12, four ball screws 13, trave lling girder 14, four, periphery support columns 15；Described four
Ball-screw 13 is arranged in the upper beam 11 and the base 12, and the trave lling girder 14 is set in four ball-screws 13
On；The frame 2 is located at the lower section of base 12；The frame 2 constitutes a rigid cage structure；Also include 2MN oil cylinders to live
Plug 3, bearing plate 4 and standard transducer group 5；The 2MN oil cylinder pistons 3 are installed on the upper beam 11；The standard transducer
Group 5 is by 3 680KN sensor groups into its installation by adhering is in the trave lling girder 14；The bearing plate 4 is arranged at the shifting
On dynamic beam 14.The utility model 2MN dead weight superimposion formula power standard set-ups, are designed using dead weight superimposion formula, can be effective
Improve detection efficiency and utilization rate of equipment and installations.
As shown in Figures 2 and 3, it is additionally provided with reverser 6 in the top load maintainer 1, pulls to connector 7；The machine
Center suspension rod 8 is provided with frame 2；The reverser 6 includes upper bracket 61, column 62, undersetting 63；Upper bracket 61 and undersetting 63
Between connected by column 62；The column 62 is located on the trave lling girder 14, and the upper undersetting 61,63 is located at institute respectively
State the upper and lower of trave lling girder 14；Pull to and be connected through a screw thread between connector 7 and center suspension rod 8；The undersetting 63 with it is described in
Connected between heart suspension rod 8 by an oscillating bearing 9；The oscillating bearing 9 include one have centre bore ball joint 91,
Located at the arcwall face supporting piece 92 of the inside bottom of undersetting 63；The ball joint 91 with centre bore is sheathed on described
Center suspension rod 8；The bottom of ball joint 91 with centre bore is sphere, is abutted against with the arcwall face supporting piece 92；Institute
The quantity for stating column 62 is three, is spaced and is uniformly distributed between the upper bracket 61 and the undersetting 63.The utility model
Reverser 6 and center suspension rod 8 it is separable, reverser works when carrying out pressing to test to measured piece, and reverser load is 20kN,
It is used as the chopped-off head load of force standard machines.When carrying out pulling to experiment to measured piece, reverser 6 is disengaged with center suspension rod 8, is not worked,
Reverser 6 is avoided to tilt, swing influence to accuracy of measurement.Because reverser 6 and center suspension rod 8 are separated, it can be achieved
Complete machine is examined and determine in 20kN to 2MN range abilities by code, expands range ability, improves the degree of accuracy for pulling to test measurement.
As shown in figure 4, the bottom of frame 2 is mounting seat 10；The mounting seat 10 is hollow structure, and one side is
It is empty；One counterweight dismounting travel mechanism 20 is stretched into the hollow structure of mounting seat 10 from the transmission position of mounting seat 10, is used for
Counterweight is taken out out of frame 2；One outside elevating mechanism (not shown) is stretched into frame 2, for counterweight to be carried out in frame 2
Lifting；As shown in figure 5, the frame 2 in provided with counterweight loading and unloading body 400, center suspension rod 8, counterweight 21, weight tray 22,
Cutting ferrule 23；The counterweight 21 and weight tray 22 are sheathed on the center suspension rod 8；The center suspension rod 8 is provided with a groove
81；The cutting ferrule 23 is two semicircular snap rings；The second sleeve connection is arranged in the groove 81；The counterweight support
The outward flange of disk 22 is extended downwardly, and the cutting ferrule 23 being arranged in the groove 81 is entered into row constraint just.Counterweight is facilitated quickly to tear open
Unload.Start to dismantle counterweight when force standard machines does not work, now counterweight is positioned on counterweight loading and unloading body 400, during dismantlement work,
Counterweight dismounting travel mechanism 20 is moved to counterweight bottom, weight tray moved up, the circular snap ring (cutting ferrule 23) of two halves does not have
The constraint of weight tray 22, is removed, what then weight tray 22 just can be accessible is moved to the bottom of center suspension rod 8, will
The counterweight being placed on counterweight loading and unloading body 20 is held up with outside elevating mechanism, and counterweight is rotated to an angle, outside lifting
Mechanism can dismantle the counterweight accessible counterweight of bottom of the frame that is transported in travel mechanism, be examined and determine after removing counterweight.
The counterweight 21 and weight tray 22 being set on center suspension rod 8 are from bottom to top dismantled by above-mentioned steps step by step, it is ensured that all counterweights
With counterweight erecting by overhang can accessible fast assembling-disassembling, to examine and determine.
As shown in fig. 6, the inner bottom part center of frame 2 is equiped with a hangar system stress state detection means, including one
Detect seat 100, six contactless probes 200；The detection seat 100 is cirque structure, concentric with hangar system；The detection
Seat 100 includes basal part 101, ring part 102；Six contactless probes 200 are uniformly distributed on the ring part.It is described
Contactless probe 200 is non-contact displacement transducer.Center suspension rod can be calculated according to the measurement result of six contactless heads
With the inclined inclination conditions of reverser.Stop experiment when being tilted beyond and allowing requirement, reexamine riding position of measured piece etc.
Influence hanging beat factor, tests, improves measurement accuracy again after adjustment.
The utility model is improved design to Dead Weigh Force Standard Machine structure emphatically, and accessible dismounting counterweight can be achieved
Hanging mechanism is designed and manufacture, the design of superposition dead weight combined type rack construction and manufacture.
Preferable implementation use-case of the present utility model is the foregoing is only, protection of the present utility model is not intended to limit
Scope.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvement for being made etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (5)
1.2MN dead weight superimposion formula force standard machineses, including top load maintainer, frame；The top load maintainer includes upper
Beam, base, four ball screws, trave lling girder, four, periphery support columns；Four ball-screws are arranged in the upper beam and institute
Base is stated, the trave lling girder is set on four ball-screws；The frame is located at below the base；The frame group
Into a rigid cage structure；It is characterized in that：Also include 2MN oil cylinder pistons, bearing plate and standard transducer group；The 2MN
Oil cylinder piston is installed on the upper beam；The standard transducer group by 3 680KN sensor groups into, its installation by adhering in
In the trave lling girder；The bearing plate is arranged on the trave lling girder.
2. 2MN dead weights superimposion formula force standard machines as claimed in claim 1, it is characterised in that：The top load maintainer
It is additionally provided with reverser, pulls to connector；Center suspension rod is provided with the frame；The reverser include upper bracket, column, under
Bearing；Connected between the upper bracket and the undersetting by the column；The column is located on the trave lling girder, institute
State undersetting and be located at the trave lling girder upper and lower respectively；Described pull to is connected between connector and the center suspension rod by screw thread
Connect；Connected between the undersetting and the center suspension rod by an oscillating bearing；During the oscillating bearing has including one
The ball joint in heart hole, the arcwall face supporting piece located at the undersetting inside bottom；The sphere connection with centre bore
Part is sheathed on the center suspension rod；The ball joint bottom with centre bore is sphere, with the arcwall face supporting piece phase
Abut；The quantity of the column is three, is spaced and is uniformly distributed between the upper bracket and the undersetting.
3. 2MN dead weights superimposion formula force standard machines as claimed in claim 1, it is characterised in that：The bottom of the frame is peace
Fill seat；The mounting seat is hollow structure, and one side is transmission；Counterweight loading and unloading body is arranged at the frame madial wall；One
Counterweight dismounting travel mechanism is stretched into the mounting seat hollow structure from the mounting seat transmission position, for by counterweight from frame
It is interior to take out；One outside elevating mechanism is stretched into frame, for counterweight to be lifted in frame；Center is provided with the frame
Suspension rod, counterweight, weight tray, cutting ferrule；The counterweight and weight tray are sheathed on the center suspension rod；On the center suspension rod
Provided with a groove；The cutting ferrule is two semicircular snap rings；The second sleeve connection is arranged in the groove；The weight
The outward flange of code pallet is extended downwardly, and the cutting ferrule being arranged in the groove is entered into row constraint just.
4. 2MN dead weights superimposion formula force standard machines as claimed in claim 1, it is characterised in that：In the frame inner bottom part
The heart is equiped with a hangar system stress state detection means, including a detection seat, six contactless probes；The detection seat is circle
Loop configuration, it is concentric with hangar system；The detection seat includes basal part, ring part；Six contactless uniform point of probes
It is distributed on the ring part.
5. 2MN dead weights superimposion formula force standard machines as claimed in claim 4, it is characterised in that：It is described it is contactless probe be
Non-contact displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101527.2U CN206410819U (en) | 2017-01-25 | 2017-01-25 | 2MN dead weight superimposion formula force standard machineses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101527.2U CN206410819U (en) | 2017-01-25 | 2017-01-25 | 2MN dead weight superimposion formula force standard machineses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206410819U true CN206410819U (en) | 2017-08-15 |
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ID=59557852
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720101527.2U Active CN206410819U (en) | 2017-01-25 | 2017-01-25 | 2MN dead weight superimposion formula force standard machineses |
Country Status (1)
| Country | Link |
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| CN (1) | CN206410819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644260A (en) * | 2017-01-25 | 2017-05-10 | 福建省计量科学研究院 | 2MN dead load overlapping composite-type force standard machine |
| CN111664991A (en) * | 2020-05-21 | 2020-09-15 | 湖南省计量检测研究院 | Automatic calibration device for motor vehicle steering wheel force angle gauge and brake control force gauge |
-
2017
- 2017-01-25 CN CN201720101527.2U patent/CN206410819U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644260A (en) * | 2017-01-25 | 2017-05-10 | 福建省计量科学研究院 | 2MN dead load overlapping composite-type force standard machine |
| CN106644260B (en) * | 2017-01-25 | 2023-07-25 | 福建省计量科学研究院 | 2MN dead weight superposition composite force standard machine |
| CN111664991A (en) * | 2020-05-21 | 2020-09-15 | 湖南省计量检测研究院 | Automatic calibration device for motor vehicle steering wheel force angle gauge and brake control force gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 350000 No. 147 Hualin Road, Fuzhou City, Fujian Province Patentee after: FUJIAN MELTROLOGY SCIENCE Research Institute (FUJIAN GLASSES QUALITY INSPECTION STATION) Address before: 350001 No. 147 Hualin Road, Fujian, Fuzhou Patentee before: FUJIAN METROLOGY INSTITUTE |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200908 Address after: 350000 No. 147 Hualin Road, Fuzhou City, Fujian Province Co-patentee after: Fujian Fujian Calibration Technology Center Patentee after: FUJIAN MELTROLOGY SCIENCE Research Institute (FUJIAN GLASSES QUALITY INSPECTION STATION) Address before: 350000 No. 147 Hualin Road, Fuzhou City, Fujian Province Patentee before: FUJIAN MELTROLOGY SCIENCE Research Institute (FUJIAN GLASSES QUALITY INSPECTION STATION) |
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| TR01 | Transfer of patent right |