CN108962513B - composite insulator with anti-shake function - Google Patents

composite insulator with anti-shake function Download PDF

Info

Publication number
CN108962513B
CN108962513B CN201810919257.5A CN201810919257A CN108962513B CN 108962513 B CN108962513 B CN 108962513B CN 201810919257 A CN201810919257 A CN 201810919257A CN 108962513 B CN108962513 B CN 108962513B
Authority
CN
China
Prior art keywords
fixedly connected
plate
composite insulator
mounting
mounting box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810919257.5A
Other languages
Chinese (zh)
Other versions
CN108962513A (en
Inventor
陈波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Kaixin Lightning Arrester Co Ltd
Original Assignee
Wuhu Kaixin Lightning Arrester Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu Kaixin Lightning Arrester Co Ltd filed Critical Wuhu Kaixin Lightning Arrester Co Ltd
Priority to CN201810919257.5A priority Critical patent/CN108962513B/en
Publication of CN108962513A publication Critical patent/CN108962513A/en
Application granted granted Critical
Publication of CN108962513B publication Critical patent/CN108962513B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/38Fittings, e.g. caps; Fastenings therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/38Fittings, e.g. caps; Fastenings therefor
    • H01B17/40Cementless fittings

Landscapes

  • Insulators (AREA)
  • Insulating Bodies (AREA)

Abstract

The invention discloses composite insulators with anti-shake functions, which comprise mounting plates and mounting blocks, wherein the tops of the mounting blocks are fixedly connected with connecting blocks, the tops of the connecting blocks are fixedly connected with the composite insulators, the tops of the mounting plates are fixedly connected with mounting boxes, fixed plates are fixedly connected between the tops and the bottoms of the inner walls of the mounting boxes, and sliding plates are slidably connected between the tops and the bottoms of the inner walls of the mounting boxes and positioned on two sides of the fixed plates.

Description

composite insulator with anti-shake function
Technical Field
The invention relates to the technical field of composite insulators, in particular to composite insulators with anti-shaking functions.
Background
The composite insulator is mainly used for telegraph poles in the early years, along with the development of science and technology, a plurality of disc-shaped insulators are hung at the end of a high-voltage wire connecting tower which is gradually developed, and are usually made of glass or ceramics to increase creepage distance, namely insulators, the insulators are called insulators.
But current composite insulator has had a large amount of shortcomings, for example current composite insulator's installation effect is relatively poor, and indirect reduction composite insulator's anti-shake function, along with the change of environment, wind-force and rain power all can cause the shake of insulator to composite insulator long-term shake can lead to the fact not hard up and ageing to mounting structure, has indirectly influenced the normal function of insulator, has reduced composite insulator's practicality and life.
Disclosure of Invention
() problems to be solved
Aiming at the defects of the prior art, the invention provides composite insulators with anti-shaking functions, and solves the problems that the existing composite insulators are poor in installation effect, poor in anti-shaking function, low in practicability and long in service life.
(II) technical scheme
composite insulators with anti-shake function comprise a mounting plate and a mounting block, wherein the top of the mounting block is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with the composite insulator, the top of the mounting plate is fixedly connected with a mounting box, a fixed plate is fixedly connected between the top and the bottom of the inner wall of the mounting box, sliding plates are slidably connected between the top and the bottom of the inner wall of the mounting box and positioned at both sides of the fixed plate, clamping blocks are fixedly connected with the top and the bottom of the sliding plate side, extrusion plates are slidably connected between the top and the bottom of the inner wall of the mounting box and positioned at both sides of the sliding plate, a bump is fixedly connected to the side of the extrusion plate, an operating rod is fixedly connected to the other side of the extrusion plate, an extrusion spring is fixedly connected to the top and the bottom of the operating rod at the other side of the extrusion plate, the other 583 end of the extrusion spring is fixedly connected with the side of the inner wall of the mounting box, a second extrusion plate is fixedly connected with a second side of the straight-tooth-shaped plate, and a straight-tooth-shaped plate is connected with the extrusion plate and extends to the rotating-tooth-.
, the end of the operating rod penetrates the installation box and extends to the outside of the installation box, and the end of the operating rod extending to the outside of the installation box is fixedly connected with a pull ring.
, the outer surface of the rotary gear is meshed with the top of the spur gear plate, and the outer surface of the rotary gear is meshed with the bottom of the second spur gear plate.
step by step, the equal fixedly connected with chucking piece in both sides of installation piece bottom, the inside of install bin and extension to the install bin is run through to the bottom of chucking piece, the side that the chucking piece extends to the inside end of install bin opens the draw-in groove that is equipped with fixture block looks adaptation, the chucking piece extends to another side of the inside end of install bin and opens the chucking groove that is equipped with lug looks adaptation.
, elastic blocks are fixedly connected to both sides of the fixed plate, an elastic groove is formed in the elastic blocks, a moving plate is slidably connected between the top and the bottom of the inner wall of the elastic groove, ejector rods are fixedly connected to the top and the bottom of the moving plate side, the other end of each ejector rod penetrates through the elastic blocks and extends to the outside of the elastic block, the end end of each ejector rod extending to the outside of the elastic block is fixedly connected with the other side of the sliding plate, buffer springs are fixedly connected to both sides of the fixed plate and the top and the bottom of the elastic blocks, and the other end of each buffer spring is fixedly connected with the other side of the sliding plate.
, a long plate is fixedly connected to the side of the inner wall of the elastic groove, sliding blocks are slidably connected to the top and the bottom of the side of the long plate, a -th spring is fixedly connected between the sides opposite to the two sliding blocks, the other end of the sliding block far away from the -th spring is movably connected with a long rod through a pin, and the other end of the long rod is movably connected with the other side of the moving plate through a pin.
step by step, the equal fixedly connected with snap ring in both sides at installation roof portion, the inside joint of snap ring has the movable frame, the both sides of connecting block all have the threaded rod through pin swing joint.
, the end of the threaded rod penetrates through the movable frame and extends into the movable frame, and the outer surface of the threaded rod extending into the movable frame is connected with a nut in a threaded mode.
(III) advantageous effects
The invention has the following beneficial effects:
(1) this composite insulator with anti-shake function, through the connecting block, composite insulator, the install bin, the fixed plate, the sliding plate, the fixture block, the stripper plate, the lug, the action bars, the extrusion spring, straight-tooth plate, the cooperation setting of rotatory gear and second straight-tooth plate, elastic force through extrusion spring self, can be fine extrude the stripper plate, when the stripper plate receives the extrusion force, will move, and through the motion of stripper plate, will drive rotatory gear through straight-tooth plate and rotate, when rotatory gear rotates, will drive the second straight-tooth plate through the meshing and move, thereby the drive sliding plate that can be fine moves, and through the elastic force of buffer spring self, can be fine extrude the sliding plate, thereby the extrusion force that the sliding plate received has been strengthened, when stripper plate and sliding plate move, just can be fine drive fixture block and lug and move, thereby can be fine drive the inside in draw-in groove and chucking groove, thereby form the joint of both sides, the stability after having guaranteed the long-time use of composite insulator, fine anti-shake function has been improved, the life of composite insulator, and the effectual effect of avoiding, thereby the long-time composite insulator, thereby the influence of the composite insulator has taken place to rock, thereby the long-time composite insulator, thereby the composite insulator, thereby.
(2) This composite insulator with anti-shake function, end fixedly connected with pull rings through the action bars extension to the installation box outside, through the pull ring, be convenient for the staff drives the action bars through the pull ring and moves, the degree of difficulty of staff's operation has been reduced, and the surface through swing gear and the top meshing of straight-tooth plate, and swing gear's surface and the bottom meshing of second straight-tooth plate, when straight-tooth plate moves, it rotates to drive swing gear through the meshing, when rotating through swing gear, can drive the second straight-tooth plate through the meshing at the same time and carry out reverse motion, thereby drive fixture block and lug that can be fine carry out reverse motion, be convenient for staff's operation.
(3) This composite insulator with anti-shake function, side that extends to the inside end of install bin through the chucking piece is opened and is equipped with the draw-in groove with fixture block looks adaptation, through the draw-in groove, mainly be the fixture block of being convenient for inject the inside of draw-in groove, form the joint, the stability of chucking piece has been guaranteed, and open the chucking groove that is equipped with lug looks adaptation through the other side that the chucking piece extends to the inside end of install bin, through the chucking groove, mainly be the inside that the lug of being convenient for injects the chucking groove, thereby strengthen the stability of chucking piece, composite insulator's vibrations and rocking have been avoided, composite insulator's stability has been guaranteed.
(4) This composite insulator with anti-shake function, through the cooperation setting of snap ring, adjustable frame, threaded rod and nut, through the rotation of nut, the surface of threaded rod moves again that can be fine, and then the drive threaded rod that can be fine moves, when the threaded rod takes place the motion, will form mutual pulling forces to composite insulator's both sides to the stability of composite insulator both sides has been guaranteed, the rocking and the shake of insulator of having avoided of step.
Of course, it is not necessary that for any product embodying the present invention achieve all of the above-described advantages at the same time
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the mounting box structure of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 4 is an enlarged view of a portion of the present invention at B of FIG. 2;
fig. 5 is a sectional view of the spring snap structure of the present invention.
In the figure, 1-mounting plate, 2-mounting block, 3-connecting block, 4-composite insulator, 5-mounting box, 6-fixing plate, 7-sliding plate, 8-clamping block, 9-extruding plate, 10-convex block, 11-operating rod, 12-extruding spring, 13- th straight-tooth plate, 14-rotating gear, 15-second straight-tooth plate, 16-pulling ring, 17-clamping block, 18-elastic block, 19-elastic groove, 20-moving plate, 21-pushing rod, 22-buffer spring, 23-long plate, 24-sliding block, 25- th spring, 26-long rod, 27-clamping ring, 28-moving frame, 29-threaded rod and 30-nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-5, the embodiment of the present invention provides a technical solution, a composite insulator having an anti-shake function is provided, including a mounting plate 1 and a mounting block 2, both sides of the bottom of the mounting block 2 are fixedly connected with a clamp block 17, the bottom of the clamp block 17 penetrates through the mounting box 5 and extends to the inside of the mounting box 5, a side 1 of an end 0 of the mounting box 5 extending to the inside is provided with a clamp groove adapted to a clamp block 8, a clamp groove is provided therein, mainly, a clamp block 8 is conveniently inserted into the inside of the clamp groove to form a clamping connection, the stability of the clamp block 17 is ensured, another side 3 of the clamp block 17 extending to the end 2 of the mounting box 5 is provided with a clamp groove adapted to a protrusion 10, a clamp groove is provided therein, mainly, the protrusion 10 is conveniently inserted into the clamp groove, thereby, the stability of the clamp block 17 is improved, vibration and shaking of the composite insulator 4 are avoided, the top of the mounting block 2 is fixedly connected with a connecting block 3, the top of the connecting block 3 is fixedly connected with a composite insulator 4, the mounting box 3, the top fixedly connected with the mounting box 5, the mounting box 5 is fixedly connected with the mounting box, the mounting box 5, the top fixedly connected with the mounting box 5, the mounting box 1 is fixedly connected with a mounting box 5, the mounting box 5 is fixedly connected with a push rod 7, the push rod 7 is connected with a push rod 7, the push rod 7 is connected with a push rod 7, the push rod 14 is connected with a push rod 7, the push rod 14 is connected with a push rod 7, the push rod 14, the push rod 7, the push rod 14 is connected with a push rod 14, the push rod 7, the push rod 14, the push rod 7, the push rod 14 is connected with a push rod 7, the push rod 14, the push rod 7, the push rod 14, the push rod 7, the push rod 14 is connected with the push rod 7, the push rod 14 is connected with the push rod 14, the push rod 7, the push rod 14, the push rod 7, the push rod 14, the push rod 7, the push rod 14 is connected with the push rod 7, the push rod 14 is connected with the push rod 14, the push rod 7, the push rod 14, the push rod 7, the push rod 14 is connected with the push rod 14, the push rod 14 is connected with the push rod 7.
When the device is used, the operation rod 11 is pulled, when the operation rod 11 moves, the extrusion plate 9 can be well driven to move, when the extrusion plate 9 moves, the bump 10 can be driven to move, and when the extrusion plate 9 moves, the straight-tooth plate 13 can also be driven to move, when the straight-tooth plate 13 moves, the rotary gear 14 can be driven to rotate through meshing, when the rotary gear 14 rotates, the second straight-tooth plate 15 can be driven to rotate through meshing, when the second straight-tooth plate 15 moves, the sliding plate 7 can be driven to move, the clamping block 8 can be driven to move, through the movement of the clamping block 8 and the bump 10, at the moment, the clamping block 17 can be inserted into the inner part of the mounting box 5, at the moment, the operation rod 11 is loosened, when the operation rod 11 loses tension, at the moment, through the elastic force of the extrusion spring 12, the extrusion plate 9 can be well extruded, when the extrusion plate 9 receives extrusion force, the extrusion plate 9 can be moved, and the clamping block 9 can be driven to move through the elastic force of the sliding plate 7, and the clamp groove 9 can be driven to move through the screw cap screw rod 13, thereby, when the screw rod 29 moves, the nut 15 and the screw nut can be formed by the screw nut, thereby, the screw nut 7, the screw nut can be driven to move, thereby, the both sides of the screw nut can be moved, thereby, the clamping block 9, the screw nut can be improved, and the.
It is noted that, herein, relational terms such as , second, and the like are used solely to distinguish entities or operations from another entities or operations without necessarily requiring or implying any actual such relationship or order between such entities or operations, further, the terms "comprise," "include," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

  1. The composite insulator with the anti-shaking function comprises a mounting plate (1) and a mounting block (2), and is characterized in that a connecting block (3) is fixedly connected to the top of the mounting block (2), a composite insulator (4) is fixedly connected to the top of the connecting block (3), a mounting box (5) is fixedly connected to the top of the mounting plate (1), a fixing plate (6) is fixedly connected between the top and the bottom of the inner wall of the mounting box (5), sliding plates (7) are slidably connected between the top and the bottom of the inner wall of the mounting box (5) and on both sides of the fixing plate (6), a clamping block (8) is fixedly connected to the top and the bottom of the side of the sliding plate (7), pressing plates (9) are slidably connected between the top and the bottom of the inner wall of the mounting box (5) and on both sides of the sliding plate (8657), a bump (10) is fixedly connected to the 5 side of the pressing plate (9), an operating rod (11) is fixedly connected to the 461 side of the pressing plate (9), an extruding plate (9) is fixedly connected to the side of another straight-tooth-position operating rod (4832) and a rotating operating rod (11), a second straight-tooth-pressing plate (9) is fixedly connected to the rotating side of the mounting box (9), a straight-tooth-pressing plate (9), a rotating mounting box (9), a rotating end (9) is fixedly connected to a straight-tooth-.
  2. 2. composite insulator with anti-shake function according to claim 1, wherein the end of the operating rod (11) extends through the installation box (5) and to the outside of the installation box (5), and the end of the operating rod (11) extending to the outside of the installation box (5) is fixedly connected with a pull ring (16).
  3. 3. composite insulator with anti-shake function according to claim 1, wherein the external surface of the rotary gear (14) is engaged with the top of the straight rack plate (13), and the external surface of the rotary gear (14) is engaged with the bottom of the second straight rack plate (15).
  4. 4. The composite insulator with the anti-shake function according to claim 1, wherein clamping blocks (17) are fixedly connected to both sides of the bottom of the mounting block (2), the bottom of each clamping block (17) penetrates through the mounting box (5) and extends into the mounting box (5), a clamping groove matched with the clamping block (8) is formed in the side of the end, extending to the inner end of the mounting box (5), of each clamping block (17), and a clamping groove matched with the projection (10) is formed in the other side of the end, extending to the inner end of the mounting box (5), of each clamping block (17).
  5. 5. The composite insulator with the anti-shake function according to claim 1, wherein the fixed plate (6) is fixedly connected with elastic blocks (18) at both sides, an elastic groove (19) is formed in the elastic blocks (18), a moving plate (20) is slidably connected between the top and the bottom of the inner wall of the elastic groove (19), ejector rods (21) are fixedly connected to the top and the bottom of the side of the moving plate (20), the other end of the ejector rod (21) penetrates through the elastic blocks (18) and extends to the outside of the elastic blocks (18), the end of the ejector rod (21) extending to the outside of the elastic blocks (18) is fixedly connected with the other side of the sliding plate (7), buffer springs (22) are fixedly connected to both sides of the fixed plate (6) and the top and the bottom of the elastic blocks (18), and the other end of the buffer springs (22) is fixedly connected with the other side of the sliding plate (7).
  6. 6. composite insulator with anti-shake function according to claim 5, wherein the side of the inner wall of the elastic groove (19) is fixedly connected with a long plate (23), the top and bottom of the long plate (23) side are both connected with sliding blocks (24) in a sliding manner, a -th spring (25) is fixedly connected between the sides of the two sliding blocks (24), the other end of the sliding block (24) far away from the -th spring (25) is movably connected with a long rod (26) through a pin, and the other end of the long rod (26) is movably connected with the other side of the moving plate (20) through a pin.
  7. 7. The composite insulator with the anti-shake function according to claim 1, wherein snap rings (27) are fixedly connected to both sides of the top of the installation box (5), a movable frame (28) is clamped inside the snap rings (27), and threaded rods (29) are movably connected to both sides of the connection block (3) through pins.
  8. 8. The composite insulator with anti-shake function according to claim 7, wherein the end of the threaded rod (29) extends through the movable frame (28) and into the movable frame (28), and the outer surface of the threaded rod (29) extending into the movable frame (28) is connected with a nut (30) in a threaded manner.
CN201810919257.5A 2018-08-14 2018-08-14 composite insulator with anti-shake function Active CN108962513B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810919257.5A CN108962513B (en) 2018-08-14 2018-08-14 composite insulator with anti-shake function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810919257.5A CN108962513B (en) 2018-08-14 2018-08-14 composite insulator with anti-shake function

Publications (2)

Publication Number Publication Date
CN108962513A CN108962513A (en) 2018-12-07
CN108962513B true CN108962513B (en) 2020-01-31

Family

ID=64468969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810919257.5A Active CN108962513B (en) 2018-08-14 2018-08-14 composite insulator with anti-shake function

Country Status (1)

Country Link
CN (1) CN108962513B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113525132A (en) * 2020-04-22 2021-10-22 泰州市鑫通新能源汽车发展有限公司 Self-service charging system of new energy automobile
CN112053815A (en) * 2020-09-09 2020-12-08 姹や寒 Detachable waterproof tensile insulator
CN112928724B (en) * 2021-01-26 2022-05-17 芜湖市凯鑫避雷器有限责任公司 Safety combined lightning arrester

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205906478U (en) * 2016-08-21 2017-01-25 浙江洲隆机器制造有限公司 Forge and use heat preservation conveyer
CN207005171U (en) * 2017-07-20 2018-02-13 重庆科达电器有限公司 A kind of band metal insert shock-absorbing foot pad
CN107732810A (en) * 2017-10-09 2018-02-23 江苏大浪电气集团有限公司 A kind of waterproof assembling ground wire casing
CN107768047A (en) * 2017-10-20 2018-03-06 欧阳慧玲 A kind of good insulator of stability
CN207609920U (en) * 2017-11-28 2018-07-13 龚微 A kind of power equipment balancing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205906478U (en) * 2016-08-21 2017-01-25 浙江洲隆机器制造有限公司 Forge and use heat preservation conveyer
CN207005171U (en) * 2017-07-20 2018-02-13 重庆科达电器有限公司 A kind of band metal insert shock-absorbing foot pad
CN107732810A (en) * 2017-10-09 2018-02-23 江苏大浪电气集团有限公司 A kind of waterproof assembling ground wire casing
CN107768047A (en) * 2017-10-20 2018-03-06 欧阳慧玲 A kind of good insulator of stability
CN207609920U (en) * 2017-11-28 2018-07-13 龚微 A kind of power equipment balancing device

Also Published As

Publication number Publication date
CN108962513A (en) 2018-12-07

Similar Documents

Publication Publication Date Title
CN108962513B (en) composite insulator with anti-shake function
CN220227714U (en) Lead screw head end positioning structure
CN212182107U (en) Water-cooled smoothing reactor
CN115992529B (en) Adjustable overhead building base for building construction
CN209066768U (en) A kind of medical shingle nail facilitating installation
CN215830150U (en) High-voltage isolating switch cross arm
CN212572530U (en) Photoelectric signal transceiver convenient to maintenance
CN213781712U (en) Butterfly porcelain insulator convenient to installation
CN210410744U (en) N-methyl pyrrolidone synthesizer
CN209822487U (en) Limit switch with shockproof structure
CN114093583A (en) High-toughness conical suspension type porcelain insulator
CN114050416A (en) Remote power monitoring equipment and method
CN215056341U (en) Locking device for casement window
CN117174411A (en) Insulator capable of preventing cable from loosening
CN220851619U (en) Indoor wired communication fixing device for civil air defense
CN215419821U (en) High-rigidity end cover of servo motor
CN214624582U (en) Antifouling rod-shaped suspension porcelain insulator
CN213330295U (en) Environment-friendly glass steel cross arm apron auxiliary stay device
CN220537921U (en) Laser head for cladding equipment
CN112259305B (en) Self-cleaning type nano glaze porcelain umbrella-shaped insulator and use method thereof
CN219975860U (en) Energy-saving LED display screen module
CN216310653U (en) Data acquisition unit based on artificial intelligence
CN109065296A (en) A kind of Anti-fall formula composite insulator
CN217107974U (en) Garage door spring with uniform stress
CN215985316U (en) Hydraulic engineering water sample collection system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant