CN114705358A - Auxiliary checking device - Google Patents
Auxiliary checking device Download PDFInfo
- Publication number
- CN114705358A CN114705358A CN202210199084.0A CN202210199084A CN114705358A CN 114705358 A CN114705358 A CN 114705358A CN 202210199084 A CN202210199084 A CN 202210199084A CN 114705358 A CN114705358 A CN 114705358A
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- valve
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- hole
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims description 48
- 238000012795 verification Methods 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 229910018503 SF6 Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- 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
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
- G01L27/005—Apparatus for calibrating pressure sensors
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/007—Leak detector calibration, standard leaks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
Abstract
The invention discloses an auxiliary checking device which comprises a valve component, wherein the valve component comprises a conversion valve and an adapter, the conversion valve is connected with a density relay, and the adapter is connected with the conversion valve; a housing assembly mated with the density relay. The installation is convenient, and it is simple to dismantle, provides warning and alarm function when testing, prevents to omit the operation.
Description
Technical Field
The invention relates to the technical field of density relay testing, in particular to an auxiliary checking device.
Background
In the process of power transmission, sulfur hexafluoride gas with certain pressure is filled in the gas insulated closed combined electrical appliance as an insulating and arc extinguishing medium to isolate the high-voltage electrical appliance from the outside, so that the high-voltage electrical appliance is protected, and the density relay is used for monitoring the pressure, density value and leakage condition of the sulfur hexafluoride gas in equipment, and timely sending out an alarm or locking signal to inform operators to check defects and faults, so that the density relay is an important component of GIS equipment.
According to the regulation requirement, the SF6 gas density relay needs to be periodically checked, a tester needs to manually close a gas valve for communicating the density relay with main equipment during checking, a meter checking gas inlet is opened, and after the checking work is finished, the density relay still remains the filled SF6 gas for checking, so that the pressure displayed by the density relay is normal.
Because of no reminding measure, a tester often misunderstands that a gas valve communicated with main equipment is opened and the opening operation of the gas valve is missed, so that the density relay of the transformer substation is not communicated with the main equipment, the density relay senses an environment change false alarm, and potential safety hazards are brought to the operation of the gas-insulated main equipment of the transformer substation.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that without a reminding measure, a tester often misunderstanding that a gas valve communicated with main equipment is opened and the opening operation of the gas valve is missed, so that the density relay of the transformer substation is not communicated with the main equipment.
In order to solve the technical problems, the invention provides the following technical scheme: an auxiliary calibration device comprises a valve component, wherein the valve component comprises a conversion valve and an adapter, the conversion valve is connected with a density relay, and the adapter is connected with the conversion valve; a housing assembly mated with the density relay.
As a preferable aspect of the auxiliary verification apparatus of the present invention, wherein: the conversion valve comprises a handle and a plurality of valve port square grooves, the handle is arranged at the upper end of the conversion valve, the valve port square grooves are arranged on the side surface of the conversion valve, and the number of the valve port square grooves is multiple.
As a preferable aspect of the auxiliary verification apparatus of the present invention, wherein: the adapter includes round hole and square piece, the round hole run through set up in the adapter side, square piece set up in on the adapter, square piece sets up in a plurality of, square piece with valve port square groove sliding fit.
As a preferable aspect of the auxiliary verification apparatus of the present invention, wherein: the periphery of one end of the conversion valve is provided with a plurality of connecting holes, and the square block is provided with a square connecting hole.
As a preferable aspect of the auxiliary verification apparatus of the present invention, wherein: the valve component further comprises a connecting rod, a round connecting column is arranged on the connecting rod, and the round connecting column penetrates through the connecting hole and is arranged in the square connecting hole.
As a preferable aspect of the auxiliary verification apparatus of the present invention, wherein: the shell assembly comprises a shell, a pressing plate and a limiting column, wherein the pressing plate is rotatably connected with the shell, the shell is provided with a limiting groove, and the limiting column is arranged in the limiting groove;
an auxiliary component connected with the housing.
As a preferable aspect of the auxiliary verification apparatus of the present invention, wherein: the shell further comprises a rotating block, a fixing groove and a fixing plate, wherein the rotating block and the fixing groove are provided with the side face of the shell, and the fixing plate is arranged in the fixing groove;
the shell further comprises a valve hole, a clamping groove and a pushing hole, the valve hole is formed in the side face of the shell, the clamping groove is formed in the inner portion of the shell, the pushing hole is formed in the side face of the shell and communicated with the clamping groove, and the valve hole is communicated with the clamping groove.
As a preferable aspect of the auxiliary verifying apparatus of the present invention, wherein: the fixed plate includes pulling cylinder, inclined plane and spring, the pulling cylinder with the spring set up in the fixed plate side, the inclined plane set up in fixed plate another side, the spring with the fixed slot is connected.
As a preferable aspect of the auxiliary verification apparatus of the present invention, wherein: the lower end of the pressing plate is provided with a pressing column, the pressing plate is rotatably connected with the rotating block, the upper end of the limiting column is provided with a limiting lower pressing plate, a lower pressing spring is arranged on the limiting lower pressing plate, and the lower pressing spring is connected with the limiting groove.
As a preferable aspect of the auxiliary verification apparatus of the present invention, wherein: the auxiliary assembly comprises a pushing member and a first clamping member, the pushing member is arranged in the clamping groove, the first clamping member is in sliding fit with the pushing member, and the pushing member and the first clamping member are provided with a plurality of parts.
The invention has the beneficial effects that: the installation is convenient, and it is simple to dismantle, provides warning and alarm function when testing, prevents to omit the operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of an assembly structure of an auxiliary verification apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a connection structure of components in an auxiliary verification apparatus according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a housing of an auxiliary verification apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view illustrating a connection structure of a housing assembly and an auxiliary assembly of an auxiliary verification device according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view illustrating a fixing plate of an auxiliary calibration apparatus according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional structure diagram of a limit post in the auxiliary verification apparatus according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional connection structure diagram of an auxiliary component in an auxiliary verification apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a secondary verification device including a valve assembly 300.
The valve assembly 300 comprises a conversion valve 301 and an adapter 302, wherein the conversion valve 301 is connected with the density relay 400, and the adapter 302 is connected with the conversion valve 301; a housing assembly 100, the housing assembly 100 cooperating with a density relay 400.
The switching valve 301 comprises a handle 301a and a valve port square groove 301b, the handle 301a is arranged at the upper end of the switching valve 301, the valve port square groove 301b is arranged at the side surface of the switching valve 301, and the valve port square grooves 301b are provided in plurality.
The circumferential surface of one end of the conversion valve 301 is provided with a plurality of connecting holes 301c, and the square block 302b is provided with a square connecting hole 302 b-1.
The valve assembly 300 further comprises a connecting rod 303, a round connecting column 303a is arranged on the connecting rod 303, and the round connecting column 303a penetrates through the connecting hole 301c and is placed in the square connecting hole 302 b-1.
Preferably, the square connecting hole 302b-1 is internally provided with threads, the round connecting column 303a is provided with threads, and the round connecting column 303a is in threaded fit with the square connecting hole 302 b-1.
The gas valve on the rotary density relay closes the connection with the main device, pushing the handle 301a to verify.
Example 2
Referring to fig. 2 to 6, a second embodiment of the present invention is provided, which is based on the previous embodiment and provides an implementation manner of an auxiliary verification apparatus.
The shell assembly 100 comprises a shell 101, a pressing plate 102 and two limiting columns 103, wherein the pressing plate 102 is rotatably connected with the shell 101, a limiting groove 101a is formed in the shell 101, the limiting columns 103 are arranged in the limiting groove 101a, and the number of the limiting columns 103 and the number of the limiting grooves 101a are two.
The auxiliary assembly 200, the auxiliary assembly 200 is connected with the housing 101.
The case 101 further includes a rotation block 101b, a fixing groove 101c, and a fixing plate 101d, the rotation block 101b and the fixing groove 101c providing sides of the case 101, and the fixing plate 101d being seated in the fixing groove 101 c.
The rotating block 101b is provided with a circular hole, two rotating blocks 101b are symmetrically arranged along the center line of the casing 101, and a plurality of fixing grooves 101c and fixing plates 101d are arranged.
The casing 101 further includes a valve hole 101e, a locking groove 101f and a pushing hole 101g, the valve hole 101e is disposed on the side surface of the casing 101, the locking groove 101f is disposed inside the casing 101, the pushing hole 101g is disposed on the side surface of the casing 101 and is communicated with the locking groove 101f, and the valve hole 101e is communicated with the locking groove 101 f.
The push holes 101g are symmetrically provided in two along the center line of the housing 101.
The fixing plate 101d comprises a pulling cylinder 101d-1, an inclined surface 101d-2 and a spring 101d-3, the pulling cylinder 101d-1 and the spring 101d-3 are arranged on the side surface of the fixing plate 101d, the inclined surface 101d-2 is arranged on the other side surface of the fixing plate 101d, the spring 101d-3 is fixedly connected with the inside of the fixing groove 101c, and a round angle is arranged on the pulling cylinder 101 d-1.
The lower end of the pressing plate 102 is provided with a pressing column 102a, the pressing column 102a is provided with a round corner, one end of the pressing plate 102 is provided with a round bar, the pressing plate 102 is rotatably connected with the rotating block 101b, the upper end of the limiting column 103 is provided with a limiting lower pressing plate 103a, the limiting lower pressing plate 103a is provided with a lower pressing spring 103a-1, and the lower pressing spring 103a-1 is fixedly connected with the inside of the limiting groove 101 a.
Note that the stopper post 103 is completely located inside the stopper groove 101a when the device is not in use.
When the device is used, the shell 101 is clamped with the density relay, a gas valve on the density relay is arranged in a valve hole 101e, the pressing plate 102 is rotated to enable the pressing column 102a to be in contact with the limiting lower pressing plate 103a, the pressing column 102a is continuously rotated to extrude the limiting lower pressing plate 103a, and the limiting column 103 moves downwards; when the pressing plate 102 rotates to a certain position, one end of the pressing plate 102 contacts with the inclined surface 101d-2 and presses the inclined surface 101d-2, the fixing plate 101d moves in the fixing groove 101c, and when the pressing plate 102 is located below the fixing plate 101d and limited, the limiting column 103 contacts with the density relay to complete the fixation of the whole device.
The device is simple and convenient to fix, firm in fixation and capable of preventing separation, and only the pulling cylinder 101d-1 needs to be moved to remove the limit of the pressing plate 102 during disassembly.
Example 3
Referring to fig. 1 to 7, a third embodiment of the present invention is provided, which is based on the above two embodiments and provides an implementation manner of an auxiliary verification apparatus.
The auxiliary assembly 200 includes a pushing member 201 and a first engaging member 202, the pushing member 201 is disposed in the engaging groove 101f, the first engaging member 202 is in sliding fit with the pushing member 201, and two pushing members 201 and two first engaging members 202 are provided.
The pushing member 201 comprises a pushing column 201a and a sliding groove 201b, the pushing column 201a is arranged on the circumferential side surface of the pushing member 201, the sliding groove 201b is arranged on the inner circumferential surface of the pushing member 201, the pushing column 201a is inserted into the pushing hole 101g in a penetrating manner, a spring is arranged on the pushing column 201a, and the spring is fixedly connected with the inside of the clamping groove 101 f.
The first engaging member 202 includes a first rotating cylinder 202a and a triangular protrusion 202b, the first rotating cylinder 202a is disposed on the circumferential surface of the first engaging member 202, the triangular protrusion 202b is disposed on the inner circumferential surface of the first engaging member 202, the first rotating cylinder 202a is disposed in the sliding groove 201b, and the first rotating cylinder 202a and the triangular protrusion 202b are provided in plurality.
The upper end of the first rotating column 202a is provided with a square arc block which is attached to the inner wall of the sliding groove 201 b.
The housing 101 is further provided with a moving groove 101h, the moving groove 101h is communicated with the engaging groove 101f, the auxiliary assembly 200 further comprises a display rectangular block 203, and the display rectangular block 203 is in sliding fit with the moving groove 101 h.
The display rectangular block 203 comprises a square block 203a, an indicator light 203b, a button 203c, a circular hole 203d and a spring block 203e, the square block 203a and the button 203c are arranged at the lower end of the display rectangular block 203, the indicator light 203b is arranged on the side surface of the display rectangular block 203, a spring is arranged on the other side surface of the display rectangular block 203, the circular hole 203d is arranged at the upper end of the display rectangular block 203, and the spring block 203e is arranged in the circular hole 203d and is fixedly connected with the inside of the circular hole 203 d.
The spring block 203e is provided with a round angle, and the spring on the rectangular block 203 is fixedly connected with the inside of the moving groove 101 h.
It should be noted that the frictional resistance between the first rotating column 202a and the sliding groove 201b is high, so that the connection position between the pushing member 201 and the first engaging member 202 is not easily changed.
When the SF6 gas density relay is verified, the shell 101 is clamped with the density relay, a gas valve on the density relay is arranged in a valve hole 101e, the pressing plate 102 is rotated to enable the pressing column 102a to be in contact with the limiting lower pressing plate 103a, the pressing column 102a is continuously rotated to extrude the limiting lower pressing plate 103a, and the limiting column 103 moves downwards; when the pressing plate 102 rotates to a certain position, one end of the pressing plate 102 contacts with the inclined surface 101d-2 and the pushing column 201a and presses the inclined surface 101d-2 and the pushing column 201a, the fixing plate 101d moves in the fixing groove 101c, and the pushing member 201 moves in the engaging groove 101 f.
When the pressing plate 102 is located below the fixing plate 101d and is limited, the limiting column 103 contacts the density relay to complete the fixation of the whole device, and the two first engaging members 202 are tightly engaged with the gas valve.
The worker rotates the gas valve to rotate the first clamping piece 202 matched with the gas valve synchronously along with the valve, and the first rotating column 202a is contacted with the square block 203a in the rotating process to push the display rectangular block 203 to move; after the display rectangular block 203 moves outwards to a certain distance in the moving slot 101h, the spring block 203e pops out from the circular hole 203d to block the display rectangular block 203 to return to the original state under the action of the side spring, the button 203c positioned below the display rectangular block 203 in the process is in contact with the lower end of the moving slot 101h and is in a closed state, and the indicator light 203b flashes red light to remind.
The gas valve is restored after the density relay is verified, the cylinder 101d-1 is pulled to move to release the limit on the pressing plate 102, the spring block 203e is pressed down to enable the display rectangular block 203 to restore to the original position, the indicator lamp 203b is extinguished, the pushing piece 201 restores to the original position under the action of the spring on the pushing column 201a, the first clamping piece 202 is not clamped with the gas valve, the limiting column 103 restores to be completely positioned in the limiting groove 101a under the action of the pressing spring 103a-1, and the device can be detached and taken down.
Therefore, the problem that workers forget to recover the gas valve after completing a calibration test is avoided, false alarm of density relay induction environment change is avoided, and potential safety hazards are brought to operation of the transformer substation gas-insulated main equipment.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not have been described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. An auxiliary verification device, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the valve assembly (300) comprises a conversion valve (301) and an adapter (302), the conversion valve (301) is connected with the density relay (400), and the adapter (302) is connected with the conversion valve (301);
a housing assembly (100), the housing assembly (100) cooperating with the density relay (400).
2. The secondary verification device according to claim 1, wherein: the conversion valve (301) comprises a handle (301a) and a plurality of valve port square grooves (301b), the handle (301a) is arranged at the upper end of the conversion valve (301), the valve port square grooves (301b) are arranged on the side face of the conversion valve (301), and the plurality of valve port square grooves (301b) are arranged.
3. The secondary verification device according to claim 2, wherein: the adapter (302) includes round hole (302a) and square piece (302b), round hole (302a) run through set up in adapter (302) side, square piece (302b) set up in adapter (302) is last, square piece (302b) set up in a plurality ofly, square piece (302b) with the square groove of valve port (301b) sliding fit.
4. A secondary verification device according to claim 3, wherein: the periphery of one end of the conversion valve (301) is provided with a plurality of connecting holes (301c), and the square block (302b) is provided with a square connecting hole (302 b-1).
5. The secondary verification device according to claim 4, wherein: the valve component (300) further comprises a connecting rod (303), a round connecting column (303a) is arranged on the connecting rod (303), and the round connecting column (303a) penetrates through the connecting hole (301c) to be placed in the square connecting hole (302 b-1).
6. An auxiliary verification device according to any one of claims 3 to 5, wherein: the shell assembly (100) comprises a shell (101), a pressing plate (102) and a limiting column (103), wherein the pressing plate (102) is rotatably connected with the shell (101), a limiting groove (101a) is formed in the shell (101), and the limiting column (103) is arranged in the limiting groove (101 a);
an auxiliary assembly (200), the auxiliary assembly (200) being connected with the housing (101).
7. The secondary verification device of claim 6, wherein: the shell (101) further comprises a rotating block (101b), a fixing groove (101c) and a fixing plate (101d), the rotating block (101b) and the fixing groove (101c) are provided with the side face of the shell (101), and the fixing plate (101d) is placed in the fixing groove (101 c);
the shell (101) further comprises a valve hole (101e), a clamping groove (101f) and a pushing hole (101g), the valve hole (101e) is formed in the side face of the shell (101), the clamping groove (101f) is formed in the shell (101), the pushing hole (101g) is formed in the side face of the shell (101) and communicated with the clamping groove (101f), and the valve hole (101e) is communicated with the clamping groove (101 f).
8. The secondary verification device according to claim 7, wherein: the fixing plate (101d) comprises a pulling cylinder (101d-1), an inclined surface (101d-2) and a spring (101d-3), the pulling cylinder (101d-1) and the spring (101d-3) are arranged on the side surface of the fixing plate (101d), the inclined surface (101d-2) is arranged on the other side surface of the fixing plate (101d), and the spring (101d-3) is connected with the fixing groove (101 c).
9. The auxiliary verification device according to claim 8, wherein: the lower end of the pressing plate (102) is provided with a pressing column (102a), the pressing plate (102) is rotatably connected with the rotating block (101b), the upper end of the limiting column (103) is provided with a limiting lower pressing plate (103a), the limiting lower pressing plate (103a) is provided with a lower pressing spring (103a-1), and the lower pressing spring (103a-1) is connected with the limiting groove (101 a).
10. A secondary verification device according to claim 8 or 9, wherein: the auxiliary assembly (200) comprises a pushing member (201) and a first clamping member (202), the pushing member (201) is arranged in the clamping groove (101f), the first clamping member (202) is in sliding fit with the pushing member (201), and a plurality of pushing members (201) and a plurality of first clamping members (202) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199084.0A CN114705358B (en) | 2022-03-02 | 2022-03-02 | Auxiliary verification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199084.0A CN114705358B (en) | 2022-03-02 | 2022-03-02 | Auxiliary verification device |
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| CN114705358A true CN114705358A (en) | 2022-07-05 |
| CN114705358B CN114705358B (en) | 2023-12-01 |
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| CN202210199084.0A Active CN114705358B (en) | 2022-03-02 | 2022-03-02 | Auxiliary verification device |
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