A kind of sulfur hexafluoride density relay calibration equipment
Technical field
The present invention relates to electric power overhaul field is and in particular to a kind of sulfur hexafluoride density relay calibration equipment.
Background technology
Required according to the great anti-accident measures of 18 electrical networks of State Grid Corporation of China:Sulfur hexafluoride density relay
Answer periodic check, to prevent from density monitor working value from being forbidden or to deviate causing breaker false alarm or not reporting to the police.
Also require the connected mode between sulfur hexafluoride density relay and electrical equipment body should meet not dismantling simultaneously
The requirement of verification density monitor.The therefore school to sulfur hexafluoride gas-filled density of equipment relay for the substation field
Test commonly used do not dismantle verification mode, verifying work is limited in substation field to be carried out.
Maintainer, when transformer station verifies to density monitor, generally requires to carry a heaviness at present
Sulfur hexafluoride gas cylinder to scene, for providing to tester and density monitor when verifying density monitor
Calibration source of the gas, after verification terminates, due to the restriction of measuring principle, measurement every time finishes remaining gases at high pressure
It is likely to enter air because of leakage, have greater environmental impacts.Simultaneously because the particularity of sulfur hexafluoride gas,
All very inconvenient when depositing and carrying.
Therefore in transformer station, sulfur hexafluoride density relay verification is often laborious, time-consuming, environment is had relatively
Big impact and the higher work of security risk, the service work safety management cost thus bringing is very high.
Content of the invention
The technical problem being existed based on background technology, the present invention proposes a kind of sulfur hexafluoride density relay and uses
Calibration equipment.
A kind of sulfur hexafluoride density relay calibration equipment proposed by the present invention, including inflation mechanism, movement
Plug drives handle, transmission mechanism, two wireways and sulfur hexafluoride tester;
Inflation mechanism includes inflator pump, mobile plug and installing rack, and mobile plug is movably mounted in inflator pump,
Mobile plug moving direction is inflator pump axial direction, moves plug and inflator pump inwall hermetic seal cooperation, installing rack installation
In inflator pump first end, mobile plug drives handle to may be rotatably mounted on installing rack, and mobile plug drives handle to lead to
Cross transmission mechanism and connect mobile plug, inflator pump second end is provided with first flange disk;
The two ends of wireway are mounted on connecting tube, are provided with mounting ring inside connecting tube, removable in mounting ring
Seal disc is installed, seal disc moving direction is connecting tube axial direction, seal disc passes through return unit with mounting ring even
Connect, seal disc is located at mounting ring near wireway side, and connecting tube is provided with second away from the side of wireway
Ring flange;
Sulfur hexafluoride tester has two air guide ports, and the position of the corresponding air guide port of sulfur hexafluoride tester is all pacified
Equipped with the 3rd ring flange, two wireway first ends are all detachably pacified by second flange disk and the 3rd ring flange
It is contained on sulfur hexafluoride tester, on the 3rd ring flange, removable installation has first against post, first against post
It is connected with the 3rd ring flange by return unit, first is the 3rd stub shaft to two against post moving direction
First is leant with the seal disc of two wireway first ends respectively against post;
Any one wireway second end is all removably mounted at inflation by second flange disk and first flange disk
On cylinder, on first flange disk, removable installation has second against post, and second passes through return unit and first against post
Ring flange connects, and second is first flange dish axle to second against post and wireway the against post moving direction
The seal disc at two ends leans.
Preferably, rotatably mounted in connecting tube have auxiliary block, and rotating auxiliary block can make auxiliary block and seal disc
Lean, auxiliary block is located at seal disc near wireway side, and connecting tube periphery is provided with auxiliary block turning handle
Hand, auxiliary block swing handle is connected with auxiliary block.
Preferably, transmission mechanism include mounting cup, the first rotary shaft, the second rotary shaft, the first driven gear,
Second driven gear, driving gear and drive rod;Mounting cup is arranged on installing rack, has peace in mounting cup
It behave affectedly, the first rotary shaft and the second rotary shaft all may be rotatably mounted on mounting cup, the first driven gear and
Two driven gears are installed in the first rotary shaft, and the first driven gear and the second driven gear are located at peace respectively
It behave affectedly inside and outside, driving gear is arranged in the second rotary shaft, driving gear is located inside installation cavity,
Driving gear is engaged with the first driven gear, and mobile plug drives handle to be connected with the first rotary shaft, and is located at peace
It behave affectedly outside, drive rod is arranged on mobile plug near the side of inflator pump first end, and drive rod is provided with tooth bar,
Tooth bar is engaged with the second driven gear.
Preferably, mobile plug drives removable installation on handle to snap in post, mounting cup be provided with multiple for card
Enter the draw-in groove of insertion.
Preferably, draw-in groove is uniformly distributed around the first rotary shaft circumference.
Preferably, installing rack is provided with the piston rod storehouse for drive rod movement.
Preferably, inflator pump second end is provided with regulating valve, and regulating valve is located at first flange disk and mobile plug
Between.
The wireway being not connected with first flange disk is connected by the present invention with electrical equipment, and electrical equipment passes through two
Wireway injects a gas into inflator pump, drives handle to connect mobile plug by transmission mechanism in mobile plug, is filling
Inflator injects for gas provides space, and first against post and second against post and seal disc against realization sealing
Disk is separated with mounting ring, realizes the circulation of gas, and wireway is torn open from sulfur hexafluoride tester or inflator pump
When unloading down, first separates it is ensured that gas is retained in wireway against post and second against post with seal disc,
Reduce the possibility of sulfur hexafluoride air inlet, and reduce the loss of electrical equipment sulfur hexafluoride.User of the present invention
Just, save manpower, and decrease the impact to environment.
Brief description
Fig. 1 is a kind of sulfur hexafluoride density relay calibration equipment structural representation proposed by the present invention;
Fig. 2 is transmission mechanism structural representation of the present invention;
Fig. 3 is wireway end perspective view.
Specific embodiment
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of sulfur hexafluoride density relay proposed by the present invention verifies
Equipment, drives handle 2, transmission mechanism, two wireways 4 and sulfur hexafluoride including inflation mechanism, mobile plug
Tester 5;
Inflation mechanism includes inflator pump 11, mobile plug 12 and installing rack 13, and mobile plug 12 is movably mounted to
In inflator pump 11, mobile 12 moving directions of filling in are inflator pump 11 axial direction, in mobile plug 12 and inflator pump 11
Wall hermetic seal coordinates, and installing rack 13 is arranged on inflator pump 11 first end, and mobile plug drives handle 2 rotatable
It is arranged on installing rack 13, mobile plug drives handle 2 to connect mobile plug 12, inflator pump by transmission mechanism
11 second ends are provided with first flange disk 111;
The two ends of wireway 4 are mounted on connecting tube, are provided with mounting ring 41, in mounting ring 41 inside connecting tube
Removable installation has seal disc 42, and seal disc 42 moving direction is connecting tube axial direction, and seal disc 42 passes through multiple
Position part is connected with mounting ring 41, and seal disc 42 is located at mounting ring 41 near wireway 4 side, and connecting tube is remote
From the side of wireway 4, second flange disk 43 is installed;
Sulfur hexafluoride tester 5 has two air guide ports, the position of the corresponding air guide port of sulfur hexafluoride tester 5
It is mounted on the 3rd ring flange 51, two wireway 4 first ends are all by second flange disk 43 and the 3rd flange
Disk 51 is removably mounted on sulfur hexafluoride tester 5, and on the 3rd ring flange 51, removable installation has first
Against post, first is connected with the 3rd ring flange 51 against post by return unit, and first against post moving direction is
Axially, two first against the post seal disc 42 with two wireway 4 first ends respectively for 3rd ring flange 51
Lean;
Any one wireway 4 second end is all detachably pacified by second flange disk 43 and first flange disk 111
It is contained on inflator pump 11, on first flange disk 111, removable installation has second against post, second leads to against post
Cross return unit to be connected with first flange disk 111, second is first flange disk 111 axial direction against post moving direction,
Second leans against the seal disc 42 of post and wireway 4 second end.
The wireway 4 being not connected with first flange disk 111 is connected by the present invention with electrical equipment, and electrical equipment leads to
Cross two wireways 4 and inject a gas into inflator pump 11, drive handle 2 to connect by transmission mechanism in mobile plug
Mobile plug 12, injecting for gas in inflator pump 11 provides space, and first against post and second against post and sealing
Disk 42 against, realize seal disc 42 and separate with mounting ring 41, realize the circulation of gas, by wireway 4 from
When disassembling on sulfur hexafluoride tester 5 or inflator pump 11, first against post and second against post and sealing
Disk 42 separates it is ensured that gas is retained in wireway 4, reduces the possibility of sulfur hexafluoride air inlet, and subtracts
Few electrical equipment sulfur hexafluoride loss.
In present embodiment, rotatably mounted in connecting tube have auxiliary block 44, and rotating auxiliary block 44 can make auxiliary
Block 44 is leant with seal disc 42, and auxiliary block 44 is located at seal disc 42 near wireway 4 side, connects
Pipe periphery is provided with auxiliary block swing handle 45, and auxiliary block swing handle 45 is connected with auxiliary block 44, will lead
When tracheae 4 disassembles from sulfur hexafluoride tester 5 or inflator pump 11, sealing is made by auxiliary block 44
Disk 42 and mounting ring 41 are against the amount of sulfur hexafluoride air inlet in minimizing unloading process.
In present embodiment, transmission mechanism include mounting cup 31, the first rotary shaft 32, the second rotary shaft 33,
First driven gear 34, the second driven gear 35, driving gear 36 and drive rod 37;Mounting cup 31 is installed
On installing rack 13, there is in mounting cup 31 installation cavity 311, the first rotary shaft 32 and the second rotary shaft 33
All may be rotatably mounted on mounting cup 31, the first driven gear 34 and the second driven gear 35 are installed in
In one rotary shaft 32, the first driven gear 34 and the second driven gear 35 are located inside installation cavity 311 respectively
And outside, driving gear 36 is arranged in the second rotary shaft 33, and driving gear 36 is located in installation cavity 311
Portion, driving gear 36 is engaged with the first driven gear 34, and mobile plug drives handle 2 and the first rotary shaft 32
Connect, and be located at outside installation cavity 311, drive rod 37 is arranged on and moves plug 12 near inflator pump 11 first
The side at end, drive rod 37 is provided with tooth bar 371, and tooth bar 371 is engaged with the second driven gear 35, uses
When fill thick liquid in installation cavity 311, it is to avoid gas promotes mobile plug to drive handle 2 by transmission mechanism
High-speed rotation and accidentally injure staff.
In present embodiment, mobile plug drives removable installation on handle 2 to snap in post 21, on mounting cup 31
It is provided with multiple draw-in grooves 312 for snapping in insertion, be easy to mobile plug and drive handle 2 to be fixed.
In present embodiment, draw-in groove 312 is uniformly distributed around the first rotary shaft 32 circumference, is easy to mobile plug and drives
The regulation of handle 2 fixed position.
In present embodiment, installing rack 13 is provided with the piston rod storehouse 131 for drive rod 37 movement, reduces and drives
The mobile possibility accidentally injuring staff of lever 37.
In present embodiment, inflator pump 11 second end is provided with regulating valve 112, and regulating valve 112 is located at first
Between ring flange 111 and mobile plug 12, it is easy to the storage of gas in inflator pump 11.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention not office
Be limited to this, any those familiar with the art the invention discloses technical scope in, according to this
The technical scheme of invention and its inventive concept in addition equivalent or change, all should cover the protection in the present invention
Within the scope of.