CN110146221A - A kind of on-line measuring device of pressure measurement monitoring system - Google Patents
A kind of on-line measuring device of pressure measurement monitoring system Download PDFInfo
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- CN110146221A CN110146221A CN201910483804.4A CN201910483804A CN110146221A CN 110146221 A CN110146221 A CN 110146221A CN 201910483804 A CN201910483804 A CN 201910483804A CN 110146221 A CN110146221 A CN 110146221A
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- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 49
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 23
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000009529 body temperature measurement Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of on-line measuring devices of pressure measurement monitoring system, including motor, pedestal, master gear, left gear, right gear, left rotary shaft, right spindle, left stabilizing base, right stabilizing base, left screw, right screw, left cylinder, right cylinder body and fixed ring, left cylinder and right cylinder body are symmetrically set on the base by fixed ring, and the identical left stabilizing base of structure, right stabilizing base are equipped between two cylinder bodies；Left stabilizing base side is equipped with left gear, and right stabilizing base side is equipped with right gear；Left screw, left screw set, left piston are equipped in left cylinder；Right screw, right screw set, right piston are equipped in right cylinder body；Motor is fixed by the bracket on pedestal, and master gear is connected with motor output shaft.The present invention can solve the use of low-temperature measurement and high pressure measurement using same detection device simultaneously, reduce the volume of device.
Description
Technical field
The invention belongs to instrument and meter detection technique fields, and in particular to a kind of on-line checking of pressure measurement monitoring system
Device.
Background technique
Pressure-measuring system mainly the units such as shows by pressure transmitter and data collector, signal processing system and terminal
It constitutes together.It is a kind of critically important automation site survey systems, pressure variations can be converted to transmittable standardization by it
Whether output signal, the indexs such as its measurement accuracy, performance meet the requirements, if can accurately measure the pressure parameter of equipment
And reflect in control system in real time, so that system carries out safeguard protection to production equipment, operation maintenance personnel is grasped in equipment in real time
The pressure condition in portion is the essential condition of production safety operation.Pressure-measuring system is mainly used for the long-range display and control of pressure
System often works under the environment such as high temperature, low pressure, burn into vibration, and the probability of failure is larger, therefore to pressure measurement system
System, which carries out periodic verification or calibration, to be very important.For newly installing and the pressure transmitter through using after a period of time, very
It to the metering performance of entire pressure-measuring system, is calibrated, it is ensured that the technique that its metering performance meets production process is wanted
It asks.
At present there are probelem in two aspects in the detection process: (1) pressure transmitter detection common practice be will be first
Part removes, and send to laboratory and carries out the calibrating or calibration of transmitter.But it is equivalent to only the sensor of measuring system is carried out in this way
Calibration, does not calibrate the parameter transformation module of rear class, is unable to get the accuracy of entire pressure-measuring system.(2)
Due to being superimposed voltage signal on the remote transfer signal line of pressure transmitter, most site environments or condition are unfavorable for measuring system
Disassembly, and the improper voltage signal that will lead to of disassembly is short-circuit, and the signal transducer in control cabinet is caused to damage.
Therefore, on-line calibration is carried out to by the pressure-measuring system of core of pressure transmitter, it could be to measuring system
Accuracy has specific understanding, can intuitively obtain the error of indication of pressure transmitter each point, and such system calibration just has
Practical significance.
And to carry out on-line calibration to pressure-measuring system and just have to develop miniaturized pressure measuring equipment, corresponding
Pressure measurement point is nearby tested, but existing press device is all larger, can not be carried near pressure measurement point；And at present
Pressure checking device the detection or high pressure range or low-pressure range of a kind of pressure limit can only be provided, can not be right simultaneously
The pressure measurement monitoring system of a variety of pressure limits carries out pressure on-line checking.
Summary of the invention
The present invention aiming at the shortcomings in the prior art, provides a kind of on-line measuring device of pressure measurement monitoring system, with
On-line calibration can not be carried out to pressure-measuring system since volume is excessive by solving existing detection device, and can not carry out height simultaneously
Pressure metering and low-temperature measurement are to problem.
To achieve the above object, the invention adopts the following technical scheme:
A kind of on-line measuring device of pressure measurement monitoring system, including motor, the on-line measuring device further include: bottom
Seat, master gear, left gear, right gear, left rotary shaft, right spindle, left stabilizing base, right stabilizing base, left screw, right screw, left cylinder,
Right cylinder body and fixed ring；
The left cylinder and right cylinder body are symmetrically set on the base by fixed ring, and two cylinder bodies are respectively used to deposit
Put different medium；Structure is installed identical and be the left stabilizing base of L-type, right stabilizing base, the left stabilization between two cylinder bodies
Seat bottom surface is fixedly connected with left cylinder bottom, and the right stabilizing base bottom surface is fixedly connected with right cylinder base；The left stabilizing base
Left gear is installed on side, right gear is installed on the right stabilizing base side；
Left screw, left screw set, left piston are equipped in the left cylinder, the left part of the left screw is fixedly connected with left work
Plug, the left screw external screw thread are connected with left screw set, and left screw set right part is connected with left gear；The left gear rotation
When turning, left screw set rotation is driven, so that left screw left and right in left cylinder moves back and forth, to drive left piston along left cylinder
Body movement, wherein the left piston not can be rotated in cylinder body；
Right screw, right screw set, right piston are equipped in the right cylinder body, the right part of the right screw is fixedly connected with right work
Plug, the right screw external screw thread are connected with right screw set, and right screw set left part is connected with right gear；The right gear rotation
When turning, right screw set rotation is driven, so that right screw left and right in right cylinder body moves back and forth, to drive right piston along right cylinder
Body movement, wherein the right piston not can be rotated in cylinder body；
The motor is fixed by the bracket on pedestal, and the master gear is connected with motor output shaft, and the master gear is same
When be meshed with left gear, right gear；The motor driven master gear rotation, to drive left gear, right gear rotation；
The left stabilizing base and right stabilizing base bottom are respectively fixed with left slider and right sliding block, are provided on the pedestal point
Left sliding slot not compatible with left slider, right sliding block, right rail enable left cylinder along left sliding slot in fixed ring or so
Mobile, right cylinder body can move left and right in fixed ring along right rail；Wherein, the left cylinder is moved to the most left of left sliding slot
When end, the left gear is detached from master gear；When the right cylinder body is moved to the right end of right rail, the right gear is detached from main tooth
Wheel；
Be equipped with limited block in the left sliding slot, right rail, be respectively used to for left slider to be fixed on the right end of left sliding slot,
Right sliding block is fixed on the left end of right rail；
The left cylinder end be equipped with communicated inside left cylinder left installation interface, right cylinder ends be equipped with and right cylinder body
The right installation interface that inside communicates, each installation interface to connect a reference instrument and an instrument to be detected simultaneously.
To optimize above-mentioned technical proposal, the concrete measure taken further include:
The center of the left gear is equipped with left rotary shaft, and one end of the left rotary shaft connects left stabilizing base, and other end connection is left
Screw rod bushing；The center of the right gear is equipped with right spindle, and one end of the right spindle connects right stabilizing base, and the other end connects right silk
Rod set.
The left gear is arranged in parallel with right gear and size is identical；The thickness of the master gear is greater than left gear, right tooth
The thickness of wheel.
The left screw outer surface is equipped with external screw thread compatible with left screw set inner surface, and the right screw outer surface is set
There is external screw thread compatible with right screw set inner surface, it is described when the master gear drives left gear and right gear to rotate simultaneously
Left screw and the right screw direction of motion are opposite.
The limited block (70) is strip, and a limited block (70) is removably disposed through in left sliding slot, with left cunning
Slot is vertical；Another limited block (70) is removably disposed through in right rail, vertical with right rail.
The left piston, right piston shape be adapted respectively with left cylinder, right inboard wall of cylinder block shape, and left piston and left
The contact portion of inboard wall of cylinder block is that the contact portion of rubber ring, right piston and right inboard wall of cylinder block is rubber ring.
The left cylinder and right cylinder body are cylindrical cavities, store hydraulic oil and air respectively in cavity.
The left installation interface is set up with right installation interface.
The installation interface is equipped with screw thread, fit standard instrument and instrument to be detected.
The reference instrument and instrument to be detected include pressure gauge, pressure-measuring device.
The beneficial effects of the present invention are: on-line measuring device of the invention uses twin-rotor housing structure, side cylinder body is provided with
Hydraulic oil, another cylinder body are equipped with air, can be solved the use of low-temperature measurement and high pressure measurement simultaneously using same detection device,
And the volume of device is reduced, make it possible the on-line testing of site pressure measuring system；On-line measuring device of the invention
It is additionally provided with stabilizing base and fixed ring, when gear being made to drive screw rod rotation, single unit system is more stable, reduces energy loss；Using
Gear wheel drives compared with pinion rotation, improves revolving speed, can reach goal pressure within a short period of time.
Detailed description of the invention
Fig. 1 is the schematic structural cross-sectional view of on-line measuring device of the invention.
Fig. 2 is the standoff features schematic top plan view of on-line measuring device of the invention.
Attached drawing annotation: 10, pedestal；20, master gear；30, left gear；40, right gear；50, fixed ring；60, motor；70,
Limited block；80, reference instrument and instrument to be detected；
31, left rotary shaft；32, left stabilizing base；33, left screw；34, left cylinder；35, left screw set；36, left piston；37, left
Sliding block；38, left sliding slot；39, left installation interface；41, right spindle；42, right stabilizing base；43, right screw；44, right cylinder body；45, right
Screw rod bushing；46, right piston；47, right sliding block；48, right rail；49, right installation interface.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.
The present invention proposes the on-line measuring device of pressure measurement monitoring system, specifically, being a kind of small size multi-channel output
Pressure-generating device can not carry out on-line calibration to pressure-measuring system to solve existing detection device since volume is excessive
Problem.
On-line measuring device includes: motor 60, pedestal 10, master gear 20, left gear 30, right gear 40, left rotary shaft 31, the right side
Shaft 41, left stabilizing base 32, right stabilizing base 42, left screw 33, right screw 43, left cylinder 34, right cylinder body 44 and fixed ring 50
Deng；
Left cylinder 34 and right cylinder body 44 are symmetrically arranged on pedestal 10 by fixed ring 50, and two cylinder bodies are column
Shape cavity is respectively used to storage different medium, and in the present embodiment, medium is hydraulic oil, medium in right cylinder body 44 in left cylinder 34
For air, since the compression ratio of air is bigger, so as to realize the generation of minute-pressure, the compression ratio of hydraulic oil is smaller than air,
So can be realized high pressure measurement.Fixed ring 50 is two, and left cylinder 34 and right cylinder body 44 are secured firmly to pedestal 10 respectively
On, make it not as the rotation of left and right gear 40 generates displacement, the stability of enhancement device.Knot is installed between two cylinder bodies
Structure is identical and is the left stabilizing base 32 of L-type, right stabilizing base 42, and left 32 bottom of stabilizing base is fixedly connected with 34 bottom of left cylinder,
Right 42 bottom of stabilizing base is fixedly connected with 44 bottom of right cylinder body, can drive left and right cylinder body when left and right stabilizing base 42 moves left and right
44 move left and right together；Left gear 30 is installed on left 32 side of stabilizing base, right gear 40 is installed on right 42 side of stabilizing base,
Left gear 30 is rotatably coupled in left stabilizing base 32, right gear 40 is rotatably coupled in right stabilizing base 42, and is connected
Place has lubrication system, and frictional force is small.
Left screw 33, left screw set 35, left piston 36 are equipped in left cylinder 34, the left part of left screw 33 is fixedly connected with a left side
Piston 36,33 outer surface of left screw are equipped with external screw thread compatible with left screw 35 inner surfaces of set, the connection of 33 external screw thread of left screw
Left screw set 35, the right part of left screw 33 are threaded in left screw set 35, and left screw set 35 drives left screw when rotating
33 axially movable；Left screw covers 35 right parts and is connected with left gear 30；When left gear 30 rotates, 35 rotation of left screw set is driven
Turn, so that the left and right in left cylinder 34 of left screw 33 moves back and forth, so that left piston 36 is driven to move along left cylinder 34,
In, left piston 36 not can be rotated in cylinder body.
Right screw 43, right screw set 45, right piston 46 are equipped in right cylinder body 44, the right part of right screw 43 is fixedly connected with the right side
Piston 46,43 outer surface of right screw are equipped with external screw thread compatible with right screw 45 inner surfaces of set, the connection of 43 external screw thread of right screw
Right screw set 45, the left part of right screw 43 are threaded in right screw set 45, and right screw set 45 drives right screw when rotating
43 axially movable；Right screw covers 45 left parts and is connected with right gear 40；When right gear 40 rotates, 45 rotation of right screw set is driven
Turn, so that the left and right in right cylinder body 44 of right screw 43 moves back and forth, so that right piston 46 is driven to move along right cylinder body 44,
In, right piston 46 not can be rotated in cylinder body.
Screw thread in left screw 33 is reversed with the rotation direction of thread in right screw 43, when master gear 20 drives a left side
When gear 30 and right gear 40 rotate simultaneously, left screw set 35 and right screw set 45 start simultaneously at rotation, drive left screw 33 to
Left movement, right screw 43 move right.
The degree of balance of left and right piston is preferable, and excircle has preserving and sealing rubber ring；Left and right cylinder body and left and right work
It fills in equal processing precise and left and right inboard wall of cylinder block has preferable finish, the sealing rubber ring of left and right piston and left and right cylinder body
Inner wall fits closely, and left and right piston generates pressure in axial movement.
Motor 60 is fixed by the bracket on pedestal 10, and the shaft of master gear 20 is connected with 60 output shaft of motor, master gear
20 are meshed with left gear 30, right gear 40 simultaneously, and left gear 30 is arranged in parallel with right gear 40 and diameter and thickness are all the same；
The diameter of master gear 20 is greater than left and right gear 40, to drive compared with bull gear drive compared with pinion rotation, can be improved compared with pinion gear
Revolving speed, make its working efficiency improve, the pressure size of needs can be generated as early as possible；The thickness of master gear 20 is greater than left gear
30, the sum of the thickness of right gear 40, so as to which left and right gear 40 is driven to rotate simultaneously.Motor 60 drives master gear 20 to rotate,
To drive left gear 30, right gear 40 to rotate.The center of left gear 30 is equipped with left rotary shaft 31, and one end of left rotary shaft 31 connects left
Stabilizing base 32, the other end connect left screw set 35；The center of right gear 40 is equipped with right spindle 41, and one end of right spindle 41 connects right
Stabilizing base 42, the other end connect right screw set 45.
Left stabilizing base 32 and 42 bottom part down of right stabilizing base are respectively fixed with left slider 37 and right sliding block 47, set on pedestal 10
It is equipped with left sliding slot 38 compatible with left slider 37, right sliding block 47, right rail 48 respectively, so that left stabilizing base 32 is able to drive a left side
Cylinder body 34 moves left and right in fixed ring 50 along left sliding slot 38, right stabilizing base 42 is able to drive right cylinder body 44 along right rail 48
It is moved left and right in fixed ring 50；Wherein, when left cylinder 34 is moved to the left end of left sliding slot 38, left gear 30 is detached from master gear
20, it will not be rotated with the rotation of master gear 20；When right cylinder body 44 is moved to the right end of right rail 48, right gear 40 is detached from
Master gear 20 will not be rotated with the rotation of master gear 20.
Limited block 70 is equipped in left sliding slot 38, right rail 48, limited block 70 there are two pieces in the present embodiment, is strip
Shape, a limited block 70 is removably disposed through in left sliding slot, vertical with left sliding slot；Another limited block 70 removably runs through
It is set in right rail, it is vertical with right rail.Limited block 70 is used to for left slider 37 being fixed on the right end of left sliding slot 38, right cunning
Block 47 is fixed on the left end of right rail 48；At this point, left gear 30 and right gear 40 be all located at 20 lower section of master gear and with main tooth
20 engagement of wheel, master gear 20 rotate, and left and right gear 40 is driven to rotate together.When only needing left gear 30 to rotate, it is not necessarily to right gear
When 40 rotation, only needs manually to be fully drawn out the limited block 70 in right rail 48, right sliding block 47 is slided into the most right of right rail 48
End is detached from master gear 20 at this point, right gear 40 moves right with right cylinder body 44, and the rotation of master gear 20 does not influence right gear 40
And right cylinder body 44.
34 end of left cylinder be equipped with communicated inside left cylinder 34 left installation interface 39,44 end of right cylinder body be equipped with and the right side
The right installation interface 49 communicated inside cylinder body 44, each installation interface upward, when detection device being avoided not work in cylinder body
Portion's hydraulic oil overflows.Each installation interface parallel connection is equipped with there are two external tapping, external tapping peripheral hardware screw threads, to be adapted to while connect
A reference instrument and an instrument to be detected are connect, i.e., left installation interface 39 can connect while connect a reference instrument and one
A instrument to be detected, right installation interface 49 can connect while connecting a reference instrument and an instrument to be detected, this implementation
In example, left installation interface 39 can connect a master gauge and a pressure-measuring device to be detected.
On-line measuring device of the invention at work, the medium in left cylinder 34 and right cylinder body 44 be respectively hydraulic oil and
Air.If necessary to carry out high pressure measurement and low-temperature measurement simultaneously, then the installation interface of left cylinder 34 is connected into a regulator
The installation interface of right cylinder body 44 is also connected a reference instrument and an instrument to be detected by device and an instrument to be detected.This
When left limit block 70 be located in left sliding slot 38, left slider 37 is fixed on to the right end of left sliding slot 38, right limit block 70 is located at the right side
In sliding slot 48, right sliding block 47 is fixed on to the left end of right rail 48.
Power is provided to master gear 20 by motor 60, the rotation of master gear 20 drives left gear 30, right gear 40 to rotate simultaneously；
Left gear 30 drives 35 rotation of left screw set, and left screw 33 is axially moved to the left by the threaded connection with screw rod bushing, band
Dynamic left piston 36 moves downward, and generates pressure, and making reference instrument and instrument to be detected 80, (pressure measurement with detection, which monitors, is
System) all show reading, compare two readings to verify to pressure measurement monitoring system.
If only needing to carry out low-temperature measurement, the limited block 70 of the side equipped with hydraulic oil can be extracted out, sliding block is sliding
To the other end of place sliding slot, sliding block drives stabilizing base mobile at this time, and the corresponding gear in cylinder body side equipped with hydraulic oil is detached from
The rotation of master gear 20, subsequent master gear 20 does not influence the cylinder body equipped with hydraulic oil, saves the energy.
When only carrying out high pressure measurement, the cylinder body of operation is changed into cylinder body equipped with air, when rotating driving wheel 20, be equipped with
The cylinder body of air does not work, and concrete operations are same as mentioned above.
Device volume provided by the invention is small, easy to carry, with the equipment of one, had not only had the function of high pressure measurement but also had had low
Function of measuring is pressed, on-line checking can be carried out to different Transmission System for High Voltage Measurements and low pressure measurement system simultaneously.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (10)
1. a kind of on-line measuring device of pressure measurement monitoring system, including motor (60), which is characterized in that the on-line checking
Device further include: pedestal (10), master gear (20), left gear (30), right gear (40), left rotary shaft (31), right spindle (41), a left side
Stabilizing base (32), right stabilizing base (42), left screw (33), right screw (43), left cylinder (34), right cylinder body (44) and fixed ring
(50)；
The left cylinder (34) and right cylinder body (44) are symmetrically arranged on pedestal (10) by fixed ring (50), two cylinders
Body is respectively used to storage different medium；Structure is installed identical and be the left stabilizing base (32) of L-type, right steady between two cylinder bodies
Reservation (42), left stabilizing base (32) bottom surface are fixedly connected with left cylinder (34) bottom, right stabilizing base (42) bottom surface with
Right cylinder body (44) bottom is fixedly connected；It is equipped with left gear (30) on left stabilizing base (32) side, the right stabilizing base
(42) right gear (40) are installed on side；
Left screw (33), left screw set (35), left piston (36), a left side for the left screw (33) are equipped in the left cylinder (34)
End is fixedly connected left piston (36), and left screw (33) external screw thread is connected with left screw set (35), the left screw set
(35) right part is connected with left gear (30)；When the left gear (30) rotates, left screw set (35) rotation is driven, so that left silk
Bar (33) left and right in left cylinder (34) moves back and forth, so that left piston (36) be driven to move along left cylinder (34), wherein institute
State left piston (36) not can be rotated in cylinder body；
Right screw (43), right screw set (45), right piston (46), the right side of the right screw (43) are equipped in the right cylinder body (44)
End is fixedly connected right piston (46), and right screw (43) external screw thread is connected with right screw set (45), the right screw set
(45) left part is connected with right gear (40)；When the right gear (40) rotates, right screw set (45) rotation is driven, so that right silk
Bar (43) left and right in right cylinder body (44) moves back and forth, so that right piston (46) be driven to move along right cylinder body (44), wherein institute
State right piston (46) not can be rotated in cylinder body；
The motor (60) is fixed by the bracket on pedestal (10), and the master gear (20) is connected with motor (60) output shaft,
The master gear (20) is meshed with left gear (30), right gear (40) simultaneously；Motor (60) driving master gear (20) turns
It is dynamic, to drive left gear (30), right gear (40) rotation；
The left stabilizing base (32) and right stabilizing base (42) bottom are respectively fixed with left slider (37) and right sliding block (47), the bottom
It is provided with compatible left sliding slot (38), right rail (48) with left slider (37), right sliding block (47) respectively on seat (10), so that left
Cylinder body (34) can move left and right in fixed ring (50) along left sliding slot (38), right cylinder body (44) can be along right rail (48)
It is moved left and right in fixed ring (50)；Wherein, when the left cylinder (34) is moved to the left end of left sliding slot (38), the left tooth
It takes turns (30) and is detached from master gear (20)；When the right cylinder body (44) is moved to the right end of right rail (48), the right gear (40)
It is detached from master gear (20)；
Limited block (70) are equipped in the left sliding slot (38), right rail (48), are respectively used to left slider (37) being fixed on a left side
Right end, the right sliding block (47) of sliding slot (38) are fixed on the left end of right rail (48)；
Left cylinder (34) end is equipped with and the internal left installation interface (39) communicated of left cylinder (34), right cylinder body (44) end
Equipped with the right installation interface (49) communicated with right cylinder body (44) inside, each installation interface to connect a reference instrument simultaneously
With an instrument to be detected.
2. on-line measuring device according to claim 1, which is characterized in that the center of the left gear (30) is equipped with
Axis (31), one end of the left rotary shaft (31) connect left stabilizing base (32), and the other end connects left screw set (35)；The right gear
(40) center is equipped with right spindle (41), and one end of the right spindle (41) connects right stabilizing base (42), and the other end connects right silk
Rod set (45).
3. on-line measuring device according to claim 1, which is characterized in that the left gear (30) and right gear (40) are flat
Row is arranged and size is identical；The thickness of the master gear (20) is greater than the thickness of left gear (30), right gear (40).
4. on-line measuring device according to claim 1, which is characterized in that left screw (33) outer surface is equipped with and a left side
The compatible external screw thread of screw rod bushing (35) inner surface, right screw (43) outer surface are equipped with and right screw set (45) inner surface phase
The external screw thread of adaptation, when the master gear (20) drives left gear (30) and right gear (40) while rotating, left screw (33) and
Right screw (43) direction of motion is opposite.
5. on-line measuring device according to claim 1, which is characterized in that the limited block (70) is strip, a limit
Position block (70) is removably disposed through in left sliding slot, vertical with left sliding slot；Another limited block (70), which is removably run through, to be set
It is placed in right rail, it is vertical with right rail.
6. on-line measuring device according to claim 1, which is characterized in that the left piston (36), right piston (46)
Shape is adapted with left cylinder (34), right cylinder body (44) inner wall shape respectively, and left piston (36) and left cylinder (34) inner wall
Contact portion is that the contact portion of rubber ring, right piston (46) and right cylinder body (44) inner wall is rubber ring.
7. on-line measuring device according to claim 1, which is characterized in that the left cylinder (34) and right cylinder body (44) are equal
For cylindrical cavities, hydraulic oil and air are stored respectively in cavity.
8. on-line measuring device according to claim 1, which is characterized in that the left installation interface (39) connects with right installation
Mouth (49) is set up.
9. on-line measuring device according to claim 1, which is characterized in that the installation interface is equipped with screw thread, adaptation
Reference instrument and instrument to be detected (80).
10. on-line measuring device according to claim 9, which is characterized in that the reference instrument and instrument to be detected
It (80) include pressure gauge, pressure-measuring device.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910483804.4A CN110146221A (en) | 2019-06-04 | 2019-06-04 | A kind of on-line measuring device of pressure measurement monitoring system |
| CN202020888275.4U CN211904537U (en) | 2019-06-04 | 2020-05-25 | On-line detection device of multifunctional pressure measurement monitoring system |
| CN202010446790.1A CN111413026B (en) | 2019-06-04 | 2020-05-25 | On-line detection device of multifunctional pressure measurement monitoring system |
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| CN201910483804.4A CN110146221A (en) | 2019-06-04 | 2019-06-04 | A kind of on-line measuring device of pressure measurement monitoring system |
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| CN110146221A true CN110146221A (en) | 2019-08-20 |
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| CN201910483804.4A Pending CN110146221A (en) | 2019-06-04 | 2019-06-04 | A kind of on-line measuring device of pressure measurement monitoring system |
| CN202020888275.4U Withdrawn - After Issue CN211904537U (en) | 2019-06-04 | 2020-05-25 | On-line detection device of multifunctional pressure measurement monitoring system |
| CN202010446790.1A Active CN111413026B (en) | 2019-06-04 | 2020-05-25 | On-line detection device of multifunctional pressure measurement monitoring system |
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| CN202020888275.4U Withdrawn - After Issue CN211904537U (en) | 2019-06-04 | 2020-05-25 | On-line detection device of multifunctional pressure measurement monitoring system |
| CN202010446790.1A Active CN111413026B (en) | 2019-06-04 | 2020-05-25 | On-line detection device of multifunctional pressure measurement monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110146221A (en) * | 2019-06-04 | 2019-08-20 | 江苏方天电力技术有限公司 | A kind of on-line measuring device of pressure measurement monitoring system |
| CN113776571B (en) * | 2021-07-30 | 2023-06-27 | 华电电力科学研究院有限公司 | Online calibration method for thermal monitoring instrument of power plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201107154Y (en) * | 2007-11-20 | 2008-08-27 | 成都市精测科技有限公司 | Pressure full-automatic checking apparatus |
| CN102252805B (en) * | 2011-05-26 | 2013-01-02 | 北京康斯特仪表科技股份有限公司 | Multi-range field full-automatic pressure and electric signal calibrating instrument |
| CN205562115U (en) * | 2016-03-04 | 2016-09-07 | 江苏方天电力技术有限公司 | Double - circuit control pressure measurement of two media |
| WO2019011353A1 (en) * | 2017-07-14 | 2019-01-17 | 北京康斯特仪表科技股份有限公司 | Pressure calibration apparatus and pressure instrument calibration information processing method |
| CN110146221A (en) * | 2019-06-04 | 2019-08-20 | 江苏方天电力技术有限公司 | A kind of on-line measuring device of pressure measurement monitoring system |
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2019
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2020
- 2020-05-25 CN CN202020888275.4U patent/CN211904537U/en not_active Withdrawn - After Issue
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| CN111413026A (en) | 2020-07-14 |
| CN111413026B (en) | 2024-04-05 |
| CN211904537U (en) | 2020-11-10 |
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