CN110658014A - Join in marriage automatic sampling device of net twine way insulator - Google Patents
Join in marriage automatic sampling device of net twine way insulator Download PDFInfo
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- CN110658014A CN110658014A CN201910994736.8A CN201910994736A CN110658014A CN 110658014 A CN110658014 A CN 110658014A CN 201910994736 A CN201910994736 A CN 201910994736A CN 110658014 A CN110658014 A CN 110658014A
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- 239000012212 insulator Substances 0.000 title claims abstract description 111
- 238000005070 sampling Methods 0.000 title claims abstract description 92
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 239000004744 fabric Substances 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 claims description 30
- 239000000428 dust Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 24
- 238000011109 contamination Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 5
- 210000003491 skin Anatomy 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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Abstract
The invention discloses an automatic sampling device for distribution network line insulators, which comprises a first clamping plate, a second clamping plate, a volute spiral spring, an elastic block, sampling cloth, a roller, a rolling shaft, a rolling wheel, a cutting knife, a transmission strip, a reset spring, a storage box, a scraper knife, a knife rest, a rack, a straight gear, a swinging plate, a limiting plate, an L plate, a limiting strip and the like. According to the invention, the composite insulator does not need to be taken off from a circuit to cut and sample the composite insulator, only the circuit needs to be powered off, the composite insulator is clamped on the insulator shed and manually rotates for a certain distance along the shed, the sampling of the surface material of the insulator can be realized, and the thickness of the sampled material is 1-2 mm; the sampling mode has no damage to the insulator, high sampling precision and simple sampling operation, and is time-saving and labor-saving.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an automatic sampling device for distribution network line insulators.
Background
With the rapid development of extra-high voltage engineering, more and more composite insulators are applied to extra-high voltage transmission and distribution lines in China, and the aging problem of the composite insulators is obvious due to the fact that the outer insulating materials of the composite insulators are organic silicon rubber, the voltage grade is improved, and the operation environment is severe. Testing the aging state of the composite insulator by cutting and sampling a small amount of materials on the insulator; the existing cutting method needs to take off the composite insulator from the line and use a common cutter to cut, and the method has poor precision, complex operation of line maintenance personnel and time and labor waste. In addition, in order to ensure the cleanness and the detection accuracy of an aged sample, the surface of an insulator generally needs to be polluted by manual work at the sampling position, the working process is complicated, and the working efficiency is low.
With the rapid development of social economy, the industry has also developed rapidly, and environmental pollution in some areas has become very severe, and the damage caused by flashover accidents of the external insulation of power transmission and transformation equipment of a power system caused by dust or dirt is becoming more and more serious. The insulator is one of the important elements of the external insulation equipment of the power system, and the dirt accumulation degree on the surface of the insulator has important influence on the operation condition of the power transmission line. At present, Equivalent Salt Deposit Density (ESDD) and equivalent ash deposit density (NSDD) are mainly adopted in China to represent the surface pollution degree of the insulator. For years, the sampling method for the dirt on the surface of the insulator is to directly wipe the surface of the insulator by holding a sampling cloth with hands to perform dirt sampling work, and the sampling method has great defects as follows: the distance between the umbrella skirts of some insulator strings is small, so that the insulator strings are difficult to wipe by hands; in the process of wiping the insulator, dirt on the surface of the insulator is easily adhered to hands, arms and clothes, so that the dirt sampling of the insulator is incomplete, and errors are brought to the subsequent measurement of the dirt degree on the surface of the insulator.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the automatic distribution network line insulator sampling device which is high in sampling precision, simple in sampling operation, time-saving, labor-saving and simple in structure.
In order to solve the technical problem, the invention provides an automatic sampling device for distribution network line insulators, which comprises: a first clamping plate and a second clamping plate,
the tail end of the vertical section of the first clamping plate is hinged with the second clamping plate, and a volute spiral spring for resetting the second clamping plate is mounted on the hinged shaft;
two elastic blocks are symmetrically arranged on the plate surface of the first clamping plate opposite to the second clamping plate, and each elastic block is provided with sampling cloth for dust removal;
a rolling shaft perpendicular to the plate surface of the vertical section of the first clamping plate is arranged on the lower plate surface of the horizontal section of the first clamping plate, and an elastic roller is arranged on the rolling shaft; the rack with the lower end provided with the tool rest obliquely slides in a through second chute on the surface of the horizontal section of the first clamping plate; a through groove is formed in the center of the tool rest, and a storage box is mounted at the through groove; the lower edge of the notch of the through groove of the tool rest is contacted with the roller; the storage box and the roller are respectively positioned on two sides of the knife rest; the lower end of the knife rest is provided with a scraper knife for sampling, and the scraper knife is positioned below the roller; the knife rest is provided with a guide sheet which is positioned between the roller and the scraper knife;
two idler wheels are symmetrically arranged on the inner side surface of the vertical section of the first clamping plate, and the axis of each idler wheel is perpendicular to the surface of the horizontal section of the first clamping plate; the rolling shaft is in transmission connection with a shaft where the roller is located;
the transmission strip slides in a first through sliding groove on the side surface of the vertical section of the first clamping plate along the direction parallel to the rolling shaft; a cutting knife used for cutting the sampled products is arranged at one end of the transfer strip, which is positioned between the first clamping plate and the second clamping plate; the transfer strip is provided with a return spring for returning the transfer strip;
a straight gear meshed with the rack is arranged on the upper plate surface of the horizontal section of the first clamping plate; one end of the swinging plate is hinged on the outer side surface of the vertical section of the first clamping plate, and the hinged shaft is vertical to the horizontal section of the first clamping plate; the shaft where the straight gear is located is in transmission connection with a hinged shaft at one end of the swinging plate; the swinging plate is positioned below the transfer strip, and a limiting plate matched with the transfer strip is arranged on the upper plate surface of the swinging plate;
install spacing on the vertical section lateral surface of first splint, spacing with the pendulum plate is located respectively the transmission strip both sides, spacing one end side has the arch, the arch is located spacing with between the pendulum plate.
The bottom surface of the through groove of the tool rest is an outward convex cambered surface tangent to the cylindrical surface of the roller.
The surface of the guide plate opposite to the scraper knife is an outward convex cambered surface.
The guide piece is installed at the lower end of the tool rest through two fixing blocks symmetrically distributed at two ends of the guide piece, and the two fixing blocks are fixedly connected with two sides of the lower end of the tool rest respectively.
The shaft where the straight gear is located is matched with a first fixed seat bearing fixedly arranged on the horizontal section of the first clamping plate, a second bevel gear is installed on the shaft where the straight gear is located, and a first bevel gear meshed with the second bevel gear is installed on a hinged shaft of the swing plate and the first clamping plate.
The two rollers are mounted on the inner side face of the vertical section of the first clamping plate through third fixing seats, the rolling shaft is mounted on the lower plate face of the horizontal section of the first clamping plate through second fixing seats matched with the rolling shaft through bearings, a fourth bevel gear is mounted on the rolling shaft, and the fourth bevel gear is meshed with a third bevel gear mounted on the shaft where the corresponding roller is located.
Two guide blocks are symmetrically installed on the side face of the rack, and the two guide blocks slide in two guide grooves symmetrically distributed on the inner wall of the second sliding groove respectively.
Wherein, be located on the transmission strip first splint with one between the second splint serves and installs V type frame, V type frame with the knife rest is located respectively the both sides of cylinder, the cutting knife is installed the lower extreme of V type frame, install the extension spring board on the transmission strip, reset spring one end with the extension spring board is connected, the other end with the vertical section inner wall connection of first splint.
Wherein, spiral spring nestification first splint with on the articulated shaft of second splint, just spiral spring is located in the annular of second splint hinged end hinge hole inner wall, spiral spring one end with the annular inner wall connection of second splint hinged end hinge hole inner wall, the other end with first splint with the articulated shaft connection of second splint.
Wherein, the sampling cloth is pasted on the corresponding elastic block through magic tape.
Compared with the prior art, the method has the beneficial effects that the composite insulator does not need to be taken off from a line for cutting and sampling, only the circuit needs to be powered off, the method can be clamped on the insulator shed and manually rotated for a certain distance along the shed to sample the surface material of the insulator, and the thickness of the sampled material is 1-2 mm; the sampling mode has no damage to the insulator, high sampling precision and simple, time-saving and labor-saving sampling operation; in the sampling process, in order to ensure the cleanness and the detection accuracy of an aged sample, the invention can automatically wipe dirt or dust on the sampling part on the surface of the umbrella skirt to be sampled, thereby saving the sampling time and improving the sampling work efficiency. The insulator is suitable for insulators with small space between the umbrella skirts, and the two clamping plates can respectively extend into gaps at the upper umbrella surface and the lower umbrella surface of the umbrella skirt to wipe the upper umbrella surface and the lower umbrella surface of the umbrella skirt; in the process of wiping the insulator, dirt on the surface of the insulator cannot be adhered to hands, arms and clothes, and errors caused by incomplete sampling of the dirt on the surface of the insulator in subsequent measurement of the dirt on the surface of the insulator are avoided. In addition, when the invention samples the contamination of the insulator, two sampling cloths can respectively sample the contamination of the upper umbrella surface and the lower umbrella surface of the insulator, and after the two sampling cloths sampled with the contamination are analyzed, the maximum contamination degree in the two sampling cloths sampled with the contamination is taken as the standard; compared with the traditional method that only the sampling cloth is used for collecting the dirt on the upper umbrella surface or the lower umbrella surface of the insulator, the method has the advantages that the dirt measurement precision obtained by simultaneously sampling the upper umbrella surface and the lower umbrella surface of the insulator is higher; the invention has simple structure and better use effect.
Drawings
Fig. 1 is a schematic perspective view of an automatic sampling device for distribution network line insulators according to an embodiment of the present invention.
Fig. 2 is a schematic partial sectional structure view of an automatic sampling device for a distribution network line insulator according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of the first clamping plate, the gear, the rack, the knife rest, the scraper knife, the guide piece, the roller and the cutting knife in the embodiment of the invention.
FIG. 4 is a cross-sectional view of the first clamping plate, the transfer strip, the V-shaped frame, the cutter, the roller, the guide piece and the scraper knife according to the embodiment of the present invention.
FIG. 5 is a cross-sectional view of the roller, the third bevel gear, the fourth bevel gear and the roller according to an embodiment of the present invention.
Fig. 6A and 6B are schematic views of an assembly structure of the first clamping plate, the second clamping plate, the elastic block and the sampling cloth and a perspective structure thereof, respectively, according to an embodiment of the present invention.
Fig. 7 is a schematic view showing the engagement of the rack, the storage box, the knife holder, the scraper knife, the guide piece, the cutting knife, the V-shaped holder and the transfer strip in the embodiment of the present invention.
Fig. 8 is a schematic cross-sectional view of the rack, the knife rest, the storage box, the scraper knife and the guide piece in the embodiment of the invention.
Fig. 9 is a partial cross-sectional view of a first splint in accordance with an embodiment of the present invention.
Number designation in the figures: 1. a first splint; 2. a first chute; 3. a second chute; 4. a second splint; 5. a volute spiral spring; 6. an elastic block; 7. magic tape; 8. sampling cloth; 9. a drum; 10. a fourth bevel gear; 11. a roller; 12. a second fixed seat; 13. a third bevel gear; 14. a roller; 15. a third fixed seat; 16. cutting; 17. a V-shaped frame; 18. a transfer strip; 19. a tension spring plate; 20. a return spring; 21. a storage box; 22. a scraper knife; 23. a guide piece; 24. a fixed block; 25. a tool holder; 26. a rack; 27. a guide block; 28. a guide groove; 29. a spur gear; 31. a second bevel gear; 32. a first bevel gear; 33. a first fixed seat; 35. a swinging plate; 37. a limiting plate; 38. an L plate; 39. a limiting strip; 40. a through groove.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The terms of direction and position of the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the present invention.
The embodiment of the invention provides an automatic sampling device for distribution network line insulators, which comprises: a first clamping plate and a second clamping plate,
the tail end of the vertical section of the first clamping plate is hinged with the second clamping plate, and a volute spiral spring for resetting the second clamping plate is mounted on the hinged shaft;
two elastic blocks are symmetrically arranged on the plate surface of the first clamping plate opposite to the second clamping plate, and each elastic block is provided with sampling cloth for dust removal;
a rolling shaft perpendicular to the plate surface of the vertical section of the first clamping plate is arranged on the lower plate surface of the horizontal section of the first clamping plate, and an elastic roller is arranged on the rolling shaft; the rack with the lower end provided with the tool rest obliquely slides in a through second chute on the surface of the horizontal section of the first clamping plate; a through groove is formed in the center of the tool rest, and a storage box is mounted at the through groove; the lower edge of the notch of the through groove of the tool rest is contacted with the roller; the storage box and the roller are respectively positioned on two sides of the knife rest; the lower end of the knife rest is provided with a scraper knife for sampling, and the scraper knife is positioned below the roller; the knife rest is provided with a guide sheet which is positioned between the roller and the scraper knife;
two idler wheels are symmetrically arranged on the inner side surface of the vertical section of the first clamping plate, and the axis of each idler wheel is perpendicular to the surface of the horizontal section of the first clamping plate; the rolling shaft is in transmission connection with a shaft where the roller is located;
the transmission strip slides in a first through sliding groove on the side surface of the vertical section of the first clamping plate along the direction parallel to the rolling shaft; a cutting knife used for cutting the sampled products is arranged at one end of the transfer strip, which is positioned between the first clamping plate and the second clamping plate; the transfer strip is provided with a return spring for returning the transfer strip;
a straight gear meshed with the rack is arranged on the upper plate surface of the horizontal section of the first clamping plate; one end of the swinging plate is hinged on the outer side surface of the vertical section of the first clamping plate, and the hinged shaft is vertical to the horizontal section of the first clamping plate; the shaft where the straight gear is located is in transmission connection with a hinged shaft at one end of the swinging plate; the swinging plate is positioned below the transfer strip, and a limiting plate matched with the transfer strip is arranged on the upper plate surface of the swinging plate;
install spacing on the vertical section lateral surface of first splint, spacing with the pendulum plate is located respectively the transmission strip both sides, spacing one end side has the arch, the arch is located spacing with between the pendulum plate.
Specifically, as shown in fig. 1-3, it includes a first clamping plate 1, a second clamping plate 4, a volute spiral spring 5, an elastic block 6, a sampling cloth 8, a drum 9, a roller 11, a roller 14, a cutter 16, a transfer strip 18, a return spring 20, a storage box 21, a scraper knife 22, a knife rest 25, a rack 26, a spur gear 29, a swing plate 35, a limit plate 37, an L plate 38, and a limit strip 39, wherein as shown in fig. 1, 6A, and 6B, the end of the vertical section of the L-shaped first clamping plate 1 is hinged to the second clamping plate 4, and the volute spiral spring 5 for returning the second clamping plate 4 is mounted on the hinged shaft; two elastic blocks 6 are symmetrically arranged on the opposite plate surfaces of the first clamping plate 1 and the second clamping plate 4, and each elastic block 6 is provided with a sampling cloth 8 for dust removal; as shown in fig. 3-5, a roller 11 perpendicular to the vertical section of the first clamping plate 1 is mounted on the lower plate surface of the horizontal section of the first clamping plate 1, and an elastic roller 9 is mounted on the roller 11; as shown in fig. 1-3, a rack 26 with a tool holder 25 mounted at the lower end slides obliquely in the through second chute 3 on the horizontal section plate surface of the first clamping plate 1; as shown in fig. 6A, 6B and 7, a through groove 40 is formed in the center of the tool rest 25, and a storage box 21 is installed at the through groove 40; as shown in fig. 3, the lower edge of the notch of the through groove 40 of the tool rest 25 is contacted with the roller 9; the storage box 21 and the roller 9 are respectively positioned at two sides of the knife rest 25; as shown in fig. 2, 6 and 7, the lower end of the knife rest 25 is provided with a scraper knife 22 for sampling, and the scraper knife 22 is positioned below the roller 9; the blade holder 25 is provided with a guide piece 23, and the guide piece 23 is positioned between the roller 9 and the blade 22.
As shown in fig. 1, 2, 4 and 5, two rollers 14 are symmetrically installed on the inner side surface of the vertical section of the first clamping plate 1, and the axis of the roller 14 is perpendicular to the plate surface of the horizontal section of the first clamping plate 1; as shown in fig. 1, the roller 11 is in driving connection with a shaft on which a roller 14 is located. As shown in fig. 1, 2, 4 and 6, the transfer bar 18 slides in a direction parallel to the rollers 11 in the through first runner 2 on the side of the vertical section of the first clamping plate 1. As shown in fig. 4 and 7, a cutting knife 16 for cutting the sampled product is mounted on one end of the transfer strip 18 between the first clamping plate 1 and the second clamping plate 4. The transfer bar 18 is provided with a return spring 20 for returning the transfer bar. As shown in fig. 1-3, a straight gear 29 meshed with the rack 26 is arranged on the upper plate surface of the horizontal section of the first clamping plate 1; one end of the swinging plate 35 is hinged on the outer side surface of the vertical section of the first clamping plate 1, and the hinged shaft is vertical to the horizontal section of the first clamping plate 1; a shaft of the straight gear 29 is in transmission connection with a hinged shaft at one end of the swing plate 35; the swinging plate 35 is positioned below the transmission strip 18, and a limiting plate 37 matched with the transmission strip 18 is arranged on the upper plate surface of the swinging plate 35; a limiting strip 39 is arranged on the outer side surface of the vertical section of the first clamping plate 1; the limiting strip 39 and the swinging plate 35 are respectively located on two sides of the transfer strip 18, a protrusion is arranged on one side face of one end of the limiting strip 39, and the protrusion is located between the limiting strip 39 and the swinging plate 35.
As shown in fig. 6A and 6B, the sampling cloth 8 is adhered to the corresponding elastic block 6 by a hook and loop fastener 7. The sampling cloth 8 pasted on the corresponding elastic block 6 through the magic tape 7 can be repeatedly replaced.
As shown in fig. 3 and 8, the bottom surface of the through groove 40 of the tool rest 25 is an outward convex cambered surface tangent to the cylindrical surface of the roller 9, so that the outward convex cambered surface guided by the rotating roller 9 at the bottom of the through groove 40 of the tool rest 25 is guided again to enter the storage box 21 butted with the notch of the through groove 40 without error; the surface of the guide sheet 23 opposite to the shovel blade 22 is an outward convex cambered surface, so that when the surface of the insulator is shoveled, one end of a shoveled sample is enabled to be upwarped; if the guide piece 23 is not provided, the lifted sample cannot smoothly enter between the roller 9 and the knife rest 25 and enter the storage box 21 under the driving of the rotating roller 9; because the guide sheet 23 exists, and the surface of the guide sheet 23 opposite to the scraper knife 22 is a convex arc surface, the raised end of the insulator skin sample reaches between the rotary roller 9 and the knife rest 25 through the guide of the convex arc surface of the guide sheet 23 opposite to the scraper knife 22, and enters between the rotary roller 9 and the knife rest 25 under the drive of the rotary roller 9 and smoothly enters the storage box 21 under the drive of the rotary roller 9.
As shown in fig. 7, the guiding plate 23 is mounted at the lower end of the tool holder 25 through two fixing blocks 24 symmetrically distributed at two ends of the guiding plate, and the two fixing blocks 24 are respectively and fixedly connected with two sides of the lower end of the tool holder 25.
As shown in fig. 1, 2, 4 and 5, the two rollers 14 are mounted on the inner side surface of the vertical section of the first clamping plate 1 through a third fixing seat 15; as shown in fig. 1 and 2, a roller 11 is mounted on the lower plate surface of the horizontal section of the first clamping plate 1 through a second fixing seat 12 matched with the bearing; the rollers 11 are provided with fourth bevel gears 10, and the fourth bevel gears 10 are engaged with third bevel gears 13 mounted on shafts on which the corresponding rollers 14 are located.
As shown in fig. 3, 7 and 9, two guide blocks 27 are symmetrically installed on the side surface of the rack 26, and the two guide blocks 27 respectively slide in two guide grooves 28 symmetrically distributed on the inner wall of the second sliding chute 3. The engagement of the guide groove 28 with the guide block 27 is such that the rack 26 does not disengage from the second chute 3 during sliding along the second chute 3.
As shown in fig. 3 and 4, a V-shaped frame 17 is mounted at one end of the transfer bar 18 between the first clamping plate 1 and the second clamping plate 4, and the V-shaped frame 17 and the knife rest 25 are respectively located at two sides of the drum 9; the cutting knife 16 is arranged at the lower end of the V-shaped frame 17; the transmission strip 18 is provided with a tension spring plate 19, one end of a return spring 20 is connected with the tension spring plate 19, and the other end of the return spring is connected with the inner wall of the vertical section of the first clamping plate 1.
As shown in fig. 1 and 2, the shaft on which the spur gear 29 is located is bearing-fitted with a first fixing seat 33 fixedly mounted on the upper plate surface of the horizontal section of the first clamping plate 1; a second bevel gear 31 is arranged on the shaft of the straight gear 29, and a first bevel gear 32 meshed with the second bevel gear 31 is arranged on a hinged shaft of the swing plate 35 hinged with the first clamping plate 1.
As shown in fig. 6A and 6B, the spiral spring 5 is nested on the hinge shaft of the first clamping plate 1 and the second clamping plate 4, and the spiral spring 5 is located in the ring groove of the inner wall of the hinge hole at the hinge end of the second clamping plate 4; one end of the volute spiral spring 5 is connected with the inner wall of the annular groove of the inner wall of the hinge hole of the hinge end of the second clamping plate 4, and the other end of the volute spiral spring is connected with the hinge shaft of the first clamping plate 1 and the hinge shaft of the second clamping plate 4.
According to the invention, the elastic block 6 enables the sampling cloth 8 arranged on the elastic block to be in complete contact with the arc-shaped skirt surface on the insulator umbrella skirt, so that the sampling cloth 8 can thoroughly clean dust or dirt on the arc-shaped skirt surface of the umbrella skirt without dead angles.
The invention is mainly applied to sampling and dust removal of the post insulator.
As shown in fig. 3, the elastic roller 9 of the present invention is always in contact with and pressed against the blade holder 25, so as to ensure that the insulator sample scooped up by the scraper blade 22 enters between the roller 9 and the blade holder 25 through the guiding of the guiding piece 23, and enters the storage box 21 through the convex arc surface on the bottom surface of the through groove 40 of the blade holder 25 under the driving of the pressing of the rotating roller 9.
The working process of the invention is as follows: in an initial state, the plate end of the limit plate 37 is in contact with the side surface of the transmission strip 18, and a certain distance is reserved between the bulge on the limit strip 39 and the swing plate 35; the cutting knife 16 is positioned on one side of the scraper knife 22 close to the inner wall of the vertical section of the first clamping plate 1, and the roller 9 is in extrusion fit with the lower edge of the notch of the through groove 40 on the knife rest 25; the scroll spring 5 is compressed and stores energy, and the two sampling cloths 8 are tightly attached to each other.
When the insulator umbrella skirt dust or dirt is required to be sampled, the second clamping plate 4 and the first clamping plate 1 are firstly opened by hands to be opened, and the volute spiral spring 5 is further deformed; under the action of the deformed volute spring 5, the first clamping plate 1 and the second clamping plate 4 are clamped on the umbrella skirt of the insulator, sampling cloth 8 on the first clamping plate 1 and the second clamping plate 4 are respectively contacted with the upper umbrella surface and the lower umbrella surface of the umbrella skirt of the insulator, the edge of the umbrella skirt is clung to the inner grooves of the two rollers 14, and then one end of the swinging plate 35 is held by a hand to rotate the umbrella skirt, so that the umbrella skirt moves circumferentially around the skirt surface of the umbrella skirt of the insulator; in the moving process, the swinging plate 35 drives the whole device to move circumferentially around the skirt surface of the insulator umbrella skirt through the limiting plate 37 and the transmission strip 18, and the sampling cloth 8 on the first clamping plate 1 and the second clamping plate 4 wipes off and cleans dust or dirt on the skirt surface of the insulator umbrella skirt; after cleaning, the umbrella skirt is taken down, the volute spiral spring 5 releases energy and restores the initial state, and then the sampling cloth 8 is replaced; and (3) placing the two sampling cloths 8 with filth into the sampling bag, sealing and storing the sampling cloths, and then sending the sampling cloths to a laboratory for filth analysis.
When the sampling is required to be collected, cut and sampled on the skirt surface of the insulator umbrella skirt, the insulator umbrella skirt is clamped on the insulator umbrella skirt as described above, the edge of the insulator umbrella skirt is tightly attached to the inner grooves of the rims of the two rollers 14 arranged on the inner side of the vertical section of the first clamping plate 1, the sampling cloth 8 on the first clamping plate 1 is contacted with the upper skirt surface of the umbrella skirt, the sampling cloth 8 on the second clamping plate 4 is contacted with the lower skirt surface of the umbrella skirt, and the volute spiral spring 5 is further deformed and stores energy; then, the L plate 38 is pushed by hand to enable the transfer bar 18 to move towards the insulator direction along the first sliding groove 2, and the transfer bar 18 drives the return spring 20 to stretch and store energy through the tension spring plate 19; the transmission strip 18 simultaneously drives the cutting knife 16 to synchronously move through a V-shaped frame 17 arranged on the transmission strip; the transmission bar 18 and the end face of the limit plate 37 slide relatively; when the tail end of the transmission bar 18 positioned at the outer side of the first clamping plate 1 is separated from the end surface of the limiting plate 37, the transmission bar 18 releases the swinging of the swinging plate 35 relative to the first clamping plate 1, and the cutting knife 16 reaches the other side of the scraper knife 22; then, the swinging plate 35 is shifted in the circumferential direction of the insulator umbrella skirt by a hand, so that the swinging plate 35 swings around the direction of a hinge axial limiting strip 39 hinged with the first clamping plate 1 relative to the first clamping plate 1; in the swinging process of the swinging plate 35, the first clamping plate 1 and the second clamping plate 4 clamp the insulator umbrella skirt under the action of the volute spiral spring 5, so that the friction force between the insulator umbrella skirt and the first clamping plate 1 and the second clamping plate 4 is large enough, and the swinging plate 35 can swing relative to the first clamping plate 1; in the process, the tail end of the transmission bar 18 is in contact with the plate surface of the limiting plate 37 and is limited by the plate surface of the limiting plate 37 to reset; meanwhile, the swing plate 35 drives the first bevel gear 32 to rotate through a hinge shaft hinged with the first clamping plate 1, and the first bevel gear 32 drives the straight gear 29 to rotate through a shaft provided with the second bevel gear 31 and the second bevel gear 31; the straight gear 29 drives the rack 26 to move downwards along the second chute 3 on the first clamping plate 1 in a slant way, the rack 26 drives the scraper knife 22 and the guide sheet 23 to move synchronously through the knife rest 25, and the scraper knife 22 moves deeply towards the inside of the skirt surface of the umbrella skirt of the insulator; when the swinging plate 35 swings to the protrusion of the side face of the tail end of the limiting strip 39 relative to the first clamping plate 1, the protrusion of the side face of the tail end of the limiting strip 39 limits the swinging plate 35 to continue swinging relative to the first clamping plate 1, and at this time, the swinging plate 35 drives the scraper knife 22 to penetrate into the insulator epidermal layer by the depth of 1-2 mm through the hinge shaft hinged with the first clamping plate 1, the first bevel gear 32, the second bevel gear 31, the straight gear 29, the rack 26 and the knife rest 25.
The swinging plate 35 is continuously shifted in the same direction, the swinging plate 35 does not swing relative to the first clamping plate 1 any more, the swinging plate 35 drives the whole device to synchronously move along the circumferential direction of the skirt surface of the insulator shed through the limiting strip 39, the two rollers 14 are driven by the edge of the insulator shed to rotate, one roller 14 drives a third bevel gear 13 coaxial with the roller to synchronously rotate through the shaft where the roller is located, and the third bevel gear 13 drives a roller 11 to synchronously rotate through a fourth bevel gear 10 meshed with the third bevel gear 13 and drives the roller 11 to synchronously rotate and drive the roller 9 to synchronously rotate; in the process that the swing plate 35 drives the whole device to synchronously move along the circumferential direction of the skirt surface of the insulator umbrella skirt through the limiting strips 39, the sampling cloth 8 on the first clamping plate 1 and the second clamping plate 4 wipes dust or dirt on the skirt surface of the insulator umbrella skirt; meanwhile, the shovel 22 shovels and samples the surface skin of the skirt surface of the insulator; in the process of shoveling and sampling the insulator skirt surface skin by the shovel blade 22, the tail end of a shoveled sample on the insulator skirt surface skin is just curled and upwarps and is pressed by the guide piece 23 positioned above, along with the axial movement of equipment along the insulator umbrella skirt surface, the length of the shoveled sample is continuously increased, and the tail end of the sample enters between the roller 9 and the knife rest 25 under the guide of the guide piece 23 and enters the storage box 21 through the through groove 40 on the knife rest 25 under the drive of the rotating roller 9; in the process of shoveling and sampling the insulator by the invention driven by the swinging plate 35, one end of the transmission strip 18 is always in contact with the surface of the limiting plate 37.
When the length of the sampled product meets the required requirement, stopping poking the swinging plate 35 and stopping the circumferential motion of the whole device along the surface of the insulator umbrella skirt; the two rollers 14 stop rotating, and the roller 9 in transmission connection with one roller 14 stops rotating; the shovel 22 stops shoveling the skirt surface of the insulator shed; then, the swinging plate 35 is shifted to the opposite direction, and as the first clamping plate 1 and the second clamping plate 4 are clamped on the insulator umbrella skirt under the action of the volute spiral spring 5, the friction force between the insulator and the first clamping plate 1 and the second clamping plate 4 prevents the swinging plate 35 from driving the whole equipment to perform reverse circular motion along the skirt surface of the insulator umbrella skirt; the swinging plate 35 swings reversely relative to the first splint 1; the swinging plate 35 is separated from the protrusion on the limiting strip 39, and the swinging plate 35 drives the rack 26 to move to the initial position along the second chute 3 through a hinge shaft hinged with the first clamping plate 1, the first bevel gear 32, the second bevel gear 31 and the straight gear 29 coaxial with the second bevel gear 31; the rack 26 drives the shovel blade 22 and the guide sheet 23 to synchronously move through the tool rest 25; the scraper knife 22 gradually separates from the surface of the insulator umbrella skirt; when the swinging plate 35 swings back to the initial position relative to the first clamping plate 1, the plate surface of the limiting plate 37 which moves synchronously with the swinging plate 35 just separates from the tail end of the transmission strip 18, and the scraper knife 22 is completely separated from the surface of the insulator shed and resets; the limit plate 37 releases the reset limit of the transfer bar 18; under the reset action of the reset spring 20, the transmission strip 18 is reset instantly; in the resetting process of the transfer strip 18, the transfer strip 18 drives the cutting knife 16 to move synchronously through the V-shaped frame 17, and the cutting knife 16 cuts off the collected sample transversely; after the work of collecting the sample is finished, the insulator is taken down, the first clamping plate 1 and the second clamping plate 4 are restored to the initial state under the reset action of the volute spiral spring 5, and the collected sample is taken out from the storage box 21.
The above description of the embodiment shows that the embodiment of the invention has the beneficial effects that the composite insulator does not need to be taken off from the line to be cut and sampled, the circuit only needs to be powered off, the surface material of the insulator can be sampled by clamping the composite insulator on the umbrella skirt of the insulator and manually rotating the composite insulator for a certain distance along the umbrella skirt, and the thickness of the sampled material is 1-2 mm; the sampling mode has no damage to the insulator, high sampling precision and simple, time-saving and labor-saving sampling operation; in the sampling process, in order to ensure the cleanness and the detection accuracy of an aged sample, the invention can automatically wipe dirt or dust on the sampling part on the surface of the umbrella skirt to be sampled, thereby saving the sampling time and improving the sampling work efficiency. The insulator is suitable for insulators with small space between the umbrella skirts, and the two clamping plates can respectively extend into gaps at the upper umbrella surface and the lower umbrella surface of the umbrella skirt to wipe the upper umbrella surface and the lower umbrella surface of the umbrella skirt; in the process of wiping the insulator, dirt on the surface of the insulator cannot be adhered to hands, arms and clothes, and errors caused by incomplete sampling of the dirt on the surface of the insulator in subsequent measurement of the dirt on the surface of the insulator are avoided. In addition, when the invention samples the contamination of the insulator, two sampling cloths can respectively sample the contamination of the upper umbrella surface and the lower umbrella surface of the insulator, and after the two sampling cloths sampled with the contamination are analyzed, the maximum contamination degree in the two sampling cloths sampled with the contamination is taken as the standard; compared with the traditional method that only the sampling cloth is used for collecting the dirt on the upper umbrella surface or the lower umbrella surface of the insulator, the method has the advantages that the dirt measurement precision obtained by simultaneously sampling the upper umbrella surface and the lower umbrella surface of the insulator is higher; the invention has simple structure and better use effect.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. The utility model provides a join in marriage net twine way insulator automatic sampling device which characterized in that includes: a first clamping plate and a second clamping plate,
the tail end of the vertical section of the first clamping plate is hinged with the second clamping plate, and a volute spiral spring for resetting the second clamping plate is mounted on the hinged shaft;
two elastic blocks are symmetrically arranged on the plate surface of the first clamping plate opposite to the second clamping plate, and each elastic block is provided with sampling cloth for dust removal;
a rolling shaft perpendicular to the plate surface of the vertical section of the first clamping plate is arranged on the lower plate surface of the horizontal section of the first clamping plate, and an elastic roller is arranged on the rolling shaft; the rack with the lower end provided with the tool rest obliquely slides in a through second chute on the surface of the horizontal section of the first clamping plate; a through groove is formed in the center of the tool rest, and a storage box is mounted at the through groove; the lower edge of the notch of the through groove of the tool rest is contacted with the roller; the storage box and the roller are respectively positioned on two sides of the knife rest; the lower end of the knife rest is provided with a scraper knife for sampling, and the scraper knife is positioned below the roller; the knife rest is provided with a guide sheet which is positioned between the roller and the scraper knife;
two idler wheels are symmetrically arranged on the inner side surface of the vertical section of the first clamping plate, and the axis of each idler wheel is perpendicular to the surface of the horizontal section of the first clamping plate; the rolling shaft is in transmission connection with a shaft where the roller is located;
the transmission strip slides in a first through sliding groove on the side surface of the vertical section of the first clamping plate along the direction parallel to the rolling shaft; a cutting knife used for cutting the sampled products is arranged at one end of the transfer strip, which is positioned between the first clamping plate and the second clamping plate; the transfer strip is provided with a return spring for returning the transfer strip;
a straight gear meshed with the rack is arranged on the upper plate surface of the horizontal section of the first clamping plate; one end of the swinging plate is hinged on the outer side surface of the vertical section of the first clamping plate, and the hinged shaft is vertical to the horizontal section of the first clamping plate; the shaft where the straight gear is located is in transmission connection with a hinged shaft at one end of the swinging plate; the swinging plate is positioned below the transfer strip, and a limiting plate matched with the transfer strip is arranged on the upper plate surface of the swinging plate;
install spacing on the vertical section lateral surface of first splint, spacing with the pendulum plate is located respectively the transmission strip both sides, spacing one end side has the arch, the arch is located spacing with between the pendulum plate.
2. The automatic sampling device of the distribution network line insulator of claim 1, wherein the bottom surface of the through groove of the tool rest is an outward convex arc surface tangent to the cylindrical surface of the drum.
3. The automatic sampling device of distribution network line insulator of claim 1, wherein the surface of the guide piece opposite to the scraper knife is an outward convex cambered surface.
4. The automatic sampling device for the distribution network line insulator as claimed in claim 1, wherein the guide piece is mounted at the lower end of the tool holder by two fixing blocks symmetrically distributed at both ends thereof, and the two fixing blocks are respectively fixedly connected with both sides of the lower end of the tool holder.
5. The automatic sampling device for the distribution network line insulator as claimed in claim 1, wherein a shaft where the straight gear is located is matched with a first fixed seat bearing fixedly mounted on the upper plate surface of the horizontal section of the first clamping plate, a second bevel gear is mounted on the shaft where the straight gear is located, and a first bevel gear meshed with the second bevel gear is mounted on a hinged shaft of the swing plate and the first clamping plate.
6. The automatic sampling device for the insulators of the distribution network lines as claimed in claim 5, wherein two rollers are mounted on the inner side surface of the vertical section of the first clamping plate through a third fixing seat, the roller is mounted on the lower plate surface of the horizontal section of the first clamping plate through a second fixing seat matched with the roller in a bearing manner, a fourth bevel gear is mounted on the roller, and the fourth bevel gear is meshed with a third bevel gear mounted on a shaft where the corresponding roller is located.
7. The automatic sampling device for the distribution network line insulator according to claim 1, wherein two guide blocks are symmetrically installed on the side surface of the rack, and the two guide blocks slide in two guide grooves symmetrically distributed on the inner wall of the second chute respectively.
8. The automatic sampling device of distribution network line insulator of claim 1, characterized in that one end of the transmission strip between the first clamping plate and the second clamping plate is provided with a V-shaped frame, the V-shaped frame and the knife rest are respectively positioned at two sides of the roller, the cutting knife is arranged at the lower end of the V-shaped frame, the transmission strip is provided with a tension spring plate, one end of the reset spring is connected with the tension spring plate, and the other end of the reset spring is connected with the inner wall of the vertical section of the first clamping plate.
9. The automatic sampling device for the insulator of the distribution network line according to claim 1, wherein the scroll spring is nested on the hinge shaft of the first clamping plate and the second clamping plate, the scroll spring is located in the annular groove of the inner wall of the hinge hole at the hinge end of the second clamping plate, one end of the scroll spring is connected with the inner wall of the annular groove of the inner wall of the hinge hole at the hinge end of the second clamping plate, and the other end of the scroll spring is connected with the hinge shaft of the first clamping plate and the hinge shaft of the second clamping plate.
10. The automatic sampling device of distribution network line insulator of any one of claims 1-9, wherein the sampling cloth is attached to the corresponding elastic block by magic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994736.8A CN110658014A (en) | 2019-10-18 | 2019-10-18 | Join in marriage automatic sampling device of net twine way insulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994736.8A CN110658014A (en) | 2019-10-18 | 2019-10-18 | Join in marriage automatic sampling device of net twine way insulator |
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| CN110658014A true CN110658014A (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910994736.8A Pending CN110658014A (en) | 2019-10-18 | 2019-10-18 | Join in marriage automatic sampling device of net twine way insulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284787A (en) * | 2020-11-02 | 2021-01-29 | 国网河南省电力公司平顶山供电公司 | Insulator salt density and ash density sampling device in operation |
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| CN102607879A (en) * | 2012-03-12 | 2012-07-25 | 江苏省电力公司苏州供电公司 | Porcelain bottle dirt electrified wiping sampler |
| CN106092640A (en) * | 2016-06-07 | 2016-11-09 | 李奇元 | Electric power network extra-high voltage electric line composite insulator Slice Sampling device |
| CN110672350A (en) * | 2019-09-20 | 2020-01-10 | 姚登鹏 | Join in marriage automatic sampling device of net twine way insulator |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102607879A (en) * | 2012-03-12 | 2012-07-25 | 江苏省电力公司苏州供电公司 | Porcelain bottle dirt electrified wiping sampler |
| CN106092640A (en) * | 2016-06-07 | 2016-11-09 | 李奇元 | Electric power network extra-high voltage electric line composite insulator Slice Sampling device |
| CN110672350A (en) * | 2019-09-20 | 2020-01-10 | 姚登鹏 | Join in marriage automatic sampling device of net twine way insulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112284787A (en) * | 2020-11-02 | 2021-01-29 | 国网河南省电力公司平顶山供电公司 | Insulator salt density and ash density sampling device in operation |
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