CN113653891A - Fixing device for main transformer oil chromatography on-line monitoring - Google Patents

Fixing device for main transformer oil chromatography on-line monitoring Download PDF

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Publication number
CN113653891A
CN113653891A CN202110811714.0A CN202110811714A CN113653891A CN 113653891 A CN113653891 A CN 113653891A CN 202110811714 A CN202110811714 A CN 202110811714A CN 113653891 A CN113653891 A CN 113653891A
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Prior art keywords
positioning
sides
fixed
springs
base
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CN202110811714.0A
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CN113653891B (en
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诸东晶
诸建华
周利兴
明菊兰
蒋明
林辉
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Changzhou City Jiahua Electronic Co ltd
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Changzhou City Jiahua Electronic Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The invention discloses a fixing device for on-line monitoring of a main transformer oil chromatogram, and relates to the technical field of oil-filled transformers; the monitoring device comprises a base, a monitoring device body, a positioning block, a fixing seat, a positioning plate and a monitoring device body, wherein the base is internally provided with the positioning block; further comprising: the catch plate inlays to be established in the constant head tank of both sides, the catch bar sets up in the front side of monitoring facilities body, the limiting plate inlays to be established in the constant head tank of both sides, the upper end of promotion spring is fixed in on the lower surface of limiting plate, the location slide wedge is inserted and is located the slot on the locating piece both sides wall, the one end of spacing spring is fixed in the location slide wedge and is kept away from on the lateral wall of locating piece, when installation and dismantlement, can conveniently operate, need not with the help of other supplementary instruments, a large amount of time has been saved, time saving and labor saving, the invention has the advantages of setting up rationally, the cost of manufacture is low.

Description

Fixing device for main transformer oil chromatography on-line monitoring
Technical Field
The invention relates to the technical field of oil-filled transformers, in particular to a fixing device for on-line monitoring of a main transformer oil chromatogram.
Background
The oil chromatogram on-line monitoring system is a precision device integrating control and measurement analysis technologies, carries out on-line monitoring on oil-immersed power equipment such as a transformer, accurately detects the concentration and the variation trend of various fault characteristic gases dissolved in insulating oil through on-line timing, and most of the traditional oil chromatogram on-line monitoring devices are fixed by screws and need to be assisted by other auxiliary tools during installation, so that a large amount of time can be wasted, and time and labor are wasted.
Disclosure of Invention
The invention aims to provide the fixing device for the on-line monitoring of the oil chromatogram of the main transformer, which has the advantages of reasonable design and convenient use, and can be conveniently operated during installation and disassembly without other auxiliary tools, thereby saving a large amount of time and saving time and labor.
In order to achieve the purpose, the invention adopts the technical scheme that: the monitoring device comprises a monitoring device body, a base, fixing blocks and positioning blocks, wherein the upper side and the rear side of the base are both open structures, the positioning blocks are arranged inside the base, the fixing blocks are arranged on the upper sides of the positioning blocks, the monitoring device body is fixed on the upper sides of the fixing blocks, fixing seats are arranged on two sides of the fixing blocks, the fixing seats are fixed on the inner walls of the left side and the right side of the base, positioning grooves are formed in the lower sides of the fixing seats, positioning plates are arranged on the lower sides of the fixing seats, and the positioning plates are fixed on two sides of the positioning blocks; further comprising:
the two pushing plates are symmetrically embedded in the positioning grooves on the two sides, and the rear side wall of each pushing plate is arranged in a sliding groove in the rear side wall of each positioning groove in a sliding manner through a sliding block;
the pushing rod is arranged in an inverted U shape and is arranged on the front side of the monitoring equipment body, and the vertical rods at the two ends of the pushing rod respectively penetrate through the upper side walls of the fixing seats on the two sides and are fixedly connected with the front side of the upper surface of the pushing plate;
the two limiting plates are symmetrically embedded in the positioning grooves on the two sides, and the upper surfaces of the limiting plates are abutted to the pushing plate;
the pushing springs are arranged in two rows, each row is provided with a plurality of pushing springs, the upper ends of the pushing springs are fixed on the lower surface of the limiting plate, the lower ends of the pushing springs are fixed on the upper surface of the locating plate, and the pushing springs are matched with the inserted rods through sleeves for supporting;
the positioning wedges are a plurality of and are uniformly inserted into the slots on the two side walls of the positioning block;
the limiting springs are arranged in two rows, each row is six, one end of each limiting spring is fixed on one side wall of the positioning wedge, which is far away from the positioning block, the other end of each limiting spring is respectively fixed on the inner walls of the two sides of the base, and the limiting springs are matched with the insertion rods through sleeves for supporting;
the collision mechanism is arranged on the rear side inside the base and is positioned on the rear side of the positioning block;
and the travelling mechanism is arranged at the bottom of the positioning block.
Preferably, the fixing base upper surface on all be equipped with the guide way, the rear side of guide way is uncovered formula structure, the guide block slides and sets up in the guide way, the guide block of both sides is fixed in the left and right sides of monitoring facilities body lower lateral wall respectively.
Preferably, the walking mechanism comprises:
the six traveling wheels are arranged in two rows, the traveling wheels are correspondingly arranged at the lower side of the embedded groove from top to bottom, and the embedded groove is symmetrically arranged on the lower surface of the positioning block from left to right;
the lower ends of the positioning rods are respectively fixed on the upper side walls of the six travelling wheels, and the upper ends of the positioning rods are movably inserted into the positioning blocks after passing through the embedded grooves;
damping spring, damping spring be the several, several damping spring overlaps respectively to be established on the several locating lever, damping spring's upper end is fixed on the inner wall of embedded groove upside, damping spring's lower extreme is fixed on the last lateral wall of walking wheel.
Preferably, a connecting frame is fixed on the front side wall of the cross rod of the push rod, the connecting frame is arranged in an inverted L shape, and a pedal is fixed on the lower side of the front side wall of the vertical plate of the connecting frame.
Preferably, the interference mechanism comprises:
the two driving rods are respectively fixed at the rear side of the lower surface of the pushing plate;
the two connecting rods are hinged to the upper ends of the two connecting rods through bolts respectively, and the other ends of the connecting rods are arranged on the inner wall of the lower side of the base in a sliding mode through the hinge seats after inclining towards the other side of the inner part of the base respectively;
the lower ends of the two connecting rods are respectively screwed with the hinged seats at the bottoms of the connecting rods through bolts;
the baffle plate is arranged on the rear side of the positioning block, and the left side and the right side of the baffle plate are respectively connected with the other end of the connecting rod in a screwing mode through a connecting piece.
Preferably, the interference mechanism further comprises:
the rear ends of the plurality of abutting springs are all fixed on the front side wall of the baffle;
the front end fixed connection of conflict spring, the preceding lateral wall of conflict board is contradicted on the rear side wall of locating piece, the conflict board is triangle-shaped setting, and the inclined plane of conflict board is contradicted on the locating piece.
The working principle of the invention is as follows: when the device is installed, the pushing rod pushes downwards, the pushing rod drives the pushing plates on two sides to move downwards, the pushing plates drive the limiting plates on the respective lower sides to move downwards, so that the pushing springs are compressed until the upper sides of the limiting plates are lower than the fixed seat, then the monitoring device body is pushed towards the rear side through the travelling mechanism, so that the monitoring device body and the positioning blocks are moved out from the rear side of the base, in the moving-out process, the positioning blocks push the positioning wedges, so that the positioning wedges on the two sides move towards the two sides respectively, the limiting springs are compressed at the moment, then the base is fixed at the position to be used, then the limiting plates on the two sides are pushed downwards manually, so that the limiting plates are lower than the fixed seat, then the monitoring device body is inserted forwards from the rear side of the base, when the limiting plates reach the lower sides of the positioning grooves, the pushing springs push the limiting plates upwards until the limiting plates are inserted into the positioning grooves, and the limiting plate is contradicted to the downside of slurcam, when the locating piece moves to base inside again, promotes the rear side of location slide wedge, and after the locating piece reachd suitable position, spacing spring promoted the location slide wedge for the inclined plane of location slide wedge is inserted to the slot on the locating piece lateral wall in, and then carries on spacingly to the locating piece, and the rear side wall of locating piece then contradicts through conflict mechanism, further fixes a position locating piece and monitoring facilities body.
Compared with the prior art, the invention has the beneficial effects that:
1. when the monitoring device is fixed, the base is limited and fixed, then the positioning block at the bottom of the monitoring device body is inserted into the base and positioned, and the monitoring device can be easily detached when the monitoring device needs to be detached;
2. the positioning wedges are arranged on two sides of the positioning block and pushed by the limiting springs, so that the positioning block can be limited when positioning is needed, and the movement of the positioning block is not influenced;
3. the lower side of the positioning block is provided with a travelling mechanism which can drive the positioning block to move when being disassembled or assembled, so that the positioning block is convenient to move;
4. the rear side of locating piece is equipped with conflict mechanism, and this conflict mechanism can carry out spacingly to the rear side of locating piece, and then has increased the stability of locating piece and monitoring facilities body.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Fig. 5 is an enlarged view of the portion C in fig. 3.
Fig. 6 is a rear view of fig. 1.
Fig. 7 is an enlarged view of a portion D in fig. 6.
Fig. 8 is a schematic structural view of the base of the present invention.
FIG. 9 is a schematic view of a connecting structure of a positioning wedge and a positioning block according to the present invention.
Fig. 10 is a top view of the interference plate and the baffle of the present invention.
Description of reference numerals:
the monitoring device comprises a monitoring device body 1, a base 2, a fixing block 3, a positioning block 4, a fixing seat 5, a positioning groove 6, a positioning plate 7, a pushing plate 8, a pushing rod 9, a limiting plate 10, a pushing spring 11, a positioning wedge 12, a limiting spring 13, an abutting mechanism 14, a driving rod 14-1, a connecting rod 14-2, a connecting rod 14-3, a baffle plate 14-4, an abutting spring 14-5, an abutting plate 14-6, a walking mechanism 15, an embedded groove 15-1, a walking wheel 15-2, a positioning rod 15-3, a damping spring 15-4, a guide groove 16, a guide block 17, a connecting frame 18 and a pedal 19.
The specific implementation mode is as follows:
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.
As shown in fig. 1 to 10, the following technical solutions are adopted in the present embodiment: the monitoring device comprises a monitoring device body 1, a base 2, a fixing block 3 and a positioning block 4, wherein the upper side and the rear side of the base 2 are both open structures, the positioning block 4 is arranged inside the base 2, the fixing block 3 is fixedly arranged on the upper side of the positioning block 4, the monitoring device body 1 is fixed on the upper side of the fixing block 3 through bolts, fixing seats 5 are arranged on two sides of the fixing block 3, the fixing seats 5 are fixedly welded on the inner walls of the left side and the right side of the base 2, positioning grooves 6 are formed in the lower sides of the fixing seats 5, positioning plates 7 are arranged on the lower sides of the fixing seats 5, and the positioning plates 7 are fixedly welded on two sides of the positioning block 4; further comprising:
the two pushing plates 8 are used as intermediate media for pushing the positioning plate 7 and symmetrically embedded in the positioning grooves 6 on the two sides, and the rear side wall of each pushing plate 8 is arranged in a sliding groove in the rear side wall of each positioning groove 6 in a sliding mode through a sliding block;
the pushing rod 9 is used as a main body part for pushing the positioning plate 7 and is arranged in an inverted U shape, the pushing rod 9 is arranged on the front side of the monitoring equipment body 1, vertical rods at two ends of the pushing rod 9 penetrate through the upper side walls of the fixing seats 5 at two sides respectively and are fixedly connected with the front side of the upper surface of the pushing plate 8, and pushing force is provided for the pushing plate 8;
the two limiting plates 10 are used as main parts of the limiting positioning blocks 4 and symmetrically embedded in the positioning grooves 6 on the two sides, and the upper surfaces of the limiting plates 10 are arranged in a manner of abutting against the pushing plate 8;
the pushing springs 11 are used as connecting parts of the limiting positioning blocks 4 and are arranged in two rows, each row is six, the upper ends of the pushing springs 11 are welded and fixed on the lower surface of the limiting plate 10, the lower ends of the pushing springs 11 are welded and fixed on the upper surface of the positioning plate 7, the pushing springs 11 are matched and supported with the inserted rods through sleeves, a connecting position is provided between the positioning plate 7 and the limiting plate 10, and meanwhile, the movement of the limiting plate 10 is not influenced;
the six positioning wedges 12 are used as auxiliary components of the limiting positioning block 4 and are uniformly inserted into the slots on the two side walls of the positioning block 4, and the positioning wedges 12 are double-sided wedges which can be conveniently moved out while limiting the positioning block 4 to a certain extent;
the limiting springs 13 are used as driving components of the positioning wedges 12, are arranged in two rows, and each row is six, one ends of the limiting springs 13 are fixedly welded to one side wall, far away from the positioning blocks 4, of the positioning wedges 12, the other ends of the limiting springs 13 are fixedly welded to the inner walls of the two sides of the base 2 respectively, and the limiting springs 13 are supported by matching with the inserted rods through sleeves and can drive the positioning wedges 12;
an abutting mechanism 14, as an abutting part of the positioning block 4, which is disposed at the rear side inside the base 2 and is located at the rear side of the positioning block 4, and which abuts against the positioning block 4 after the positioning block 4 is moved into the base 1 to prevent the positioning block 4 from moving to the rear side;
the traveling mechanism 15 is provided at the bottom of the positioning block 4 as a driving mechanism of the monitoring device body 1, and can drive the monitoring device body 1 to move when being disassembled and assembled, thereby reducing labor force of a user.
Preferably, the fixing base 5 has guide grooves 16 formed in the upper surface thereof, the rear side of each guide groove 16 is an open structure, the guide blocks 17 are slidably disposed in the guide grooves 16, the guide blocks 17 on both sides are respectively welded and fixed to the left and right sides of the lower side wall of the monitoring device body 1, and when the monitoring device body 1 is moved, the guide blocks 17 move and guide the monitoring device body 1.
Preferably, the traveling mechanism 15 further includes:
the six traveling wheels 15-2 are used as main body components of the monitoring device body 1 during traveling, the six traveling wheels 15-2 are arranged in two rows, the traveling wheels 15-2 are correspondingly arranged on the lower side of the embedded groove 15-1 up and down, the embedded groove 15-1 is symmetrically arranged on the lower surface of the positioning block 4 left and right, and the six embedded grooves 15-1 are used for driving the positioning block 4 to move through the traveling wheels 15-2 and driving the monitoring device body 1 to move through the fixing block 3 during moving;
the six positioning rods 15-3 are used as positioning components when the monitoring device body 1 travels, the lower ends of the six positioning rods 15-3 are respectively welded and fixed on the upper side walls of the six traveling wheels 15-2, the upper ends of the positioning rods 15-3 penetrate through the embedded grooves 15-1 and then are movably inserted into the positioning blocks 4, and the traveling wheels 15-2 guide and position the traveling wheels 15-2 through the positioning rods 15-3 in the traveling process without influencing the movement of the traveling wheels 15-2;
six damping springs 15-4, wherein the number of the damping springs 15-4 is six, the six damping springs 15-4 are respectively sleeved on the six positioning rods 15-3, the upper ends of the damping springs 15-4 are fixedly welded on the inner wall of the upper side of the embedded groove 15-1, and the lower ends of the damping springs 15-4 are fixedly welded on the upper side wall of the travelling wheel 15-2.
As a preferred scheme, furthermore, a connecting frame 18 is welded and fixed on the front side wall of the cross rod of the pushing rod 9, the connecting frame 18 is arranged in an inverted L shape, a pedal 19 is welded and fixed on the lower side of the front side wall of the vertical plate of the connecting frame 18, when the monitoring device body 1 needs to be disassembled, the pedal 19 is stepped down, the pedal 19 drives the connecting frame 18 to move downwards, the connecting frame 18 drives the pushing rod 9 to move downwards, and then the effect of driving the pushing rod 9 is achieved.
Preferably, the interference mechanism 14 further includes:
two driving rods 14-1 are provided, and the driving rods 14-1 on two sides are respectively welded and fixed on the rear side of the lower surface of the pushing plate 8;
the two connecting rods 14-2 are provided, the upper ends of the two connecting rods 14-2 at two sides are respectively hinged with the lower end of the driving rod 14-1 through bolts, and the other ends of the connecting rods 14-2 are respectively inclined towards the other side in the base 2 and then are arranged on the inner wall of the lower side of the base 2 in a sliding manner through a hinged seat;
the number of the connecting rods 14-3 is two, and the lower ends of the connecting rods 14-3 on the two sides are respectively screwed with the hinged seats at the bottoms of the connecting rods 14-2 through bolts;
the baffle 14-4 is arranged on the rear side of the positioning block 4, and the left side and the right side of the baffle 14-4 are respectively connected with the other end of the connecting rod 14-3 in a screwing mode through connecting pieces.
Preferably, the interference mechanism 14 further comprises:
9 abutting springs 14-5, wherein the rear ends of the 9 abutting springs 14-5 are welded and fixed on the front side wall of the baffle 14-4;
the contact plate 14-6 is fixedly welded with the front end of the contact spring 14-5, the front side wall of the contact plate 14-6 abuts against the rear side wall of the positioning block 4, the contact plate 14-6 is arranged in a triangular shape, and the inclined surface of the contact plate 14-6 abuts against the positioning block 4.
The working principle of the specific embodiment is as follows: when the device is installed, the pushing rod 9 pushes downwards, the pushing rod 9 drives the pushing plates 8 on both sides to move downwards, the pushing plates 8 drive the limiting plates 10 on the respective lower sides to move downwards, so that the pushing springs 11 are compressed until the upper sides of the limiting plates 10 are lower than the fixed seat 5, then the monitoring device body 1 is pushed towards the rear side through the travelling mechanism 15, so that the monitoring device body 1 and the positioning block 4 are moved out from the rear side of the base 2, in the moving-out process, the positioning blocks 4 push the positioning wedges 12, so that the positioning wedges 12 on both sides move towards both sides respectively, at the moment, the limiting springs 13 are compressed, then the base 2 is fixed at a position to be used, then the limiting plates 10 on both sides are manually pushed downwards, so that the limiting plates 10 are lower than the fixed seat 5, then the monitoring device body 1 is inserted forwards from the rear side of the base 2, when the limiting plates 10 reach the lower sides of the positioning groove 6, pushing spring 11 upwards promotes limiting plate 10, insert to constant head tank 6 until limiting plate 10, and limiting plate 10 contradicts to the downside of slurcam 8, when locating piece 4 is removed to base 2 inside again, promote the rear side of location slide wedge 12, reach suitable position back until locating piece 4, spacing spring 13 promotes location slide wedge 12, make the inclined plane of location slide wedge 12 insert to the slot on the lateral wall of locating piece 4 in, and then spacing locating piece 4, and the rear side wall of locating piece 4 then contradicts through conflict mechanism 14, further fix a position locating piece 4 and monitoring facilities body 1.
Compared with the prior art, the beneficial effects of the embodiment are as follows:
1. when the monitoring device is fixed, the base 2 is limited and fixed, then the positioning block 4 at the bottom of the monitoring device body 1 is inserted into the base 2 and positioned, and the monitoring device can be easily detached when being detached;
2. positioning wedges 12 are arranged on two sides of the positioning block 4, the positioning wedges 12 are pushed by limiting springs 13, and when positioning is needed, the positioning block 4 can be limited without affecting the movement of the positioning block 4;
3. a travelling mechanism 15 is arranged on the lower side of the positioning block 4, and the travelling mechanism 15 can drive the positioning block 4 to move when being disassembled or assembled, so that the positioning block is convenient to move;
4. the rear side of the positioning block 4 is provided with a contact mechanism 14, and the contact mechanism 14 can limit the rear side of the positioning block 4, so that the stability of the positioning block 4 and the monitoring device body 1 is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (7)

1. A fixing device for on-line monitoring of a main transformer oil chromatogram comprises a monitoring device body (1), a base (2), a fixing block (3) and a positioning block (4), wherein the upper side and the rear side of the base (2) are both open structures, the positioning block (4) is arranged inside the base (2), the fixing block (3) is arranged on the upper side of the positioning block (4), the monitoring device body (1) is fixed on the upper side of the fixing block (3), fixing seats (5) are arranged on two sides of the fixing block (3), the fixing seats (5) are fixed on the inner walls of the left side and the right side of the base (2), positioning grooves (6) are formed in the lower sides of the fixing seats (5), positioning plates (7) are arranged on the lower sides of the fixing seats (5), and the positioning plates (7) are fixed on two sides of the positioning block (4); the method is characterized in that: further comprising:
the two pushing plates (8) are symmetrically embedded in the positioning grooves (6) on the two sides, and the rear side wall of each pushing plate (8) is arranged in a sliding groove in the rear side wall of each positioning groove (6) in a sliding mode through a sliding block;
the monitoring device comprises a push rod (9), wherein the push rod (9) is arranged in an inverted U shape, the push rod (9) is arranged on the front side of the monitoring device body (1), and vertical rods at two ends of the push rod (9) respectively penetrate through the upper side walls of the fixing seats (5) on two sides and then are fixedly connected with the front side of the upper surface of a push plate (8);
the two limiting plates (10) are symmetrically embedded in the positioning grooves (6) on the two sides, and the upper surfaces of the limiting plates (10) are in contact with the pushing plate (8);
the push springs (11) are arranged in two rows, each row is provided with a plurality of push springs (11), the upper ends of the push springs (11) are fixed on the lower surface of the limiting plate (10), the lower ends of the push springs (11) are fixed on the upper surface of the positioning plate (7), and the push springs (11) are matched with the inserted rods through sleeves for supporting;
the positioning wedges (12) are a plurality of and are uniformly inserted into the slots on the two side walls of the positioning block (4);
the limiting springs (13) are arranged in two rows, each row is provided with a plurality of limiting springs (13), one end of each limiting spring (13) is fixed on one side wall of the positioning wedge (12) far away from the positioning block (4), the other end of each limiting spring (13) is fixed on the inner walls of the two sides of the base (2), and the limiting springs (13) are matched with the insertion rods through sleeves for supporting;
the collision mechanism (14) is arranged on the rear side inside the base (2) and is positioned on the rear side of the positioning block (4);
and the travelling mechanism (15), wherein the travelling mechanism (15) is arranged at the bottom of the positioning block (4).
2. The fixing device for the on-line monitoring of the oil chromatogram of the main transformer of claim 1, characterized in that: fixing base (5) upper surface on all be equipped with guide way (16), the rear side of guide way (16) is uncovered formula structure, guide block (17) slide to set up in guide way (16), guide block (17) of both sides are fixed in the left and right sides of monitoring facilities body (1) lower lateral wall respectively.
3. The fixing device for the on-line monitoring of the oil chromatogram of the main transformer of claim 1, characterized in that: the walking mechanism (15) comprises:
the number of the walking wheels (15-2) is multiple, six walking wheels (15-2) are arranged in two rows, the walking wheels (15-2) are correspondingly arranged on the lower side of the embedded groove (15-1) up and down, and the embedded groove (15-1) is symmetrically arranged on the lower surface of the positioning block (4) left and right;
the positioning rods (15-3), the number of the positioning rods (15-3) is several, the lower ends of the positioning rods (15-3) are respectively fixed on the upper side walls of the travelling wheels (15-2), and the upper ends of the positioning rods (15-3) are movably inserted into the positioning blocks (4) after passing through the embedded grooves (15-1);
the shock absorption device comprises shock absorption springs (15-4), the shock absorption springs (15-4) are multiple, the shock absorption springs (15-4) are respectively sleeved on six positioning rods (15-3), the upper ends of the shock absorption springs (15-4) are fixed on the inner wall of the upper side of the embedded groove (15-1), and the lower ends of the shock absorption springs (15-4) are fixed on the upper side wall of the travelling wheel (15-2).
4. The fixing device for the on-line monitoring of the oil chromatogram of the main transformer of claim 1, characterized in that: the front side wall of the cross rod of the push rod (9) is fixed with a connecting frame (18), the connecting frame (18) is arranged in an inverted L shape, and the lower side of the front side wall of the vertical plate of the connecting frame (18) is fixed with a pedal (19).
5. The fixing device for the on-line monitoring of the oil chromatogram of the main transformer of claim 1, characterized in that: the interference mechanism (14) comprises:
the number of the driving rods (14-1) is two, and the driving rods (14-1) on the two sides are respectively fixed on the rear side of the lower surface of the push plate (8);
the two connecting rods (14-2), the upper ends of the two connecting rods (14-2) are respectively hinged with the lower end of the driving rod (14-1) through bolts, and the other ends of the connecting rods (14-2) are respectively inclined towards the other side of the interior of the base (2) and then are arranged on the inner wall of the lower side of the base (2) in a sliding mode through a hinge seat;
the connecting rods (14-3) are two, and the lower ends of the connecting rods (14-3) on the two sides are respectively screwed with the hinged seats at the bottoms of the connecting rods (14-2) through bolts;
the baffle (14-4), the baffle (14-4) set up in the rear side of locating piece (4), the both sides of baffle (14-4) are through the connecting piece respectively with the other end swivelling joint of connecting rod (14-3).
6. The fixing device for the on-line monitoring of the oil chromatogram of the main transformer of claim 5, characterized in that: the interference mechanism (14) further comprises:
the back ends of the plurality of abutting springs (14-5) are all fixed on the front side wall of the baffle plate (14-4);
the contact plate (14-6) is fixedly connected with the front end of the contact spring (14-5), the front side wall of the contact plate (14-6) is abutted against the rear side wall of the positioning block (4), the contact plate (14-6) is arranged in a triangular shape, and the inclined surface of the contact plate (14-6) is abutted against the positioning block (4).
7. The working principle of the fixing device for the on-line monitoring of the oil chromatogram of the main transformer according to claim 1 is characterized in that: when the device is installed, firstly, the pushing rod (9) pushes downwards, the pushing rod (9) drives the pushing plates (8) on two sides to move downwards, the pushing plates (8) drive the limiting plates (10) on the lower sides of the pushing plates to move downwards, so that the pushing springs (11) are compressed until the upper sides of the limiting plates (10) are lower than the fixing seats (5), then the monitoring device body (1) is pushed towards the rear side through the traveling mechanism (15), so that the monitoring device body (1) and the positioning blocks (4) are moved out from the rear side of the base (2), in the moving-out process, the positioning blocks (4) push the positioning wedges (12), so that the positioning wedges (12) on two sides move towards two sides respectively, at the moment, the limiting springs (13) are compressed, then the base (2) is fixed at the position to be used, then the limiting plates (10) on two sides are manually pushed downwards, so that the limiting plates (10) are lower than the fixing seats (5), then the monitoring equipment body (1) is inserted from the rear side of the base (2) to the front side, when the limit plate (10) reaches the lower side of the positioning groove (6), the pushing spring (11) pushes the limit plate (10) upwards until the limit plate (10) is inserted into the positioning groove (6), and the limiting plate (10) is abutted to the lower side of the pushing plate (8), when the positioning block (4) moves towards the inside of the base (2), the rear side of the positioning wedge (12) is pushed until the positioning block (4) reaches a proper position, the positioning wedge (12) is pushed by a limit spring (13), so that the inclined surface of the positioning wedge (12) is inserted into the slot on the side wall of the positioning block (4), and then the positioning block (4) is limited, the rear side wall of the positioning block (4) is abutted through an abutting mechanism (14), and the positioning block (4) and the monitoring equipment body (1) are further positioned.
CN202110811714.0A 2021-07-19 2021-07-19 Fixing device for main transformer oil chromatography on-line monitoring Active CN113653891B (en)

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