CN111781407B - Special operating platform for extra-high voltage transformer partial discharge test capable of being adjusted in multiple directions - Google Patents
Special operating platform for extra-high voltage transformer partial discharge test capable of being adjusted in multiple directions Download PDFInfo
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- CN111781407B CN111781407B CN202010636696.2A CN202010636696A CN111781407B CN 111781407 B CN111781407 B CN 111781407B CN 202010636696 A CN202010636696 A CN 202010636696A CN 111781407 B CN111781407 B CN 111781407B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
Abstract
The invention relates to a special operating platform for a multi-directionally adjustable partial discharge test of an extra-high voltage transformer, which comprises an operating platform body, wherein a transparent plate is arranged on the top surface of the operating platform body, an instrument placing device, an instrument observing device and a writing device are arranged on the operating platform body, the instrument placing device comprises an instrument bracket, the instrument bracket is positioned at the lower side of the transparent plate, the instrument bracket is obliquely arranged, and one end of the instrument bracket, which is close to the front surface of the operating platform, is the end with the lowest height in the instrument bracket; the instrument observation device comprises a lower reflector, an upper reflector and a reflector frame, wherein the upper reflector is arranged on the reflector frame and can observe the lower reflector from the upper reflector and observe the instrument bracket from the lower reflector; the writing device comprises a writing rack, and the writing rack is installed on the front surface of the operating table body. Can be when people lie prone on writing rack record data, the new line can be taken notes with the low head, need not to stand constantly and sit down and take notes, and it is very convenient to use.
Description
Technical Field
The invention relates to the technical field of extra-high voltage transformers, in particular to a special operating platform for an extra-high voltage transformer partial discharge test, which can be adjusted in multiple directions.
Background
The existing partial discharge test of the induction voltage-resistant band is the most important test item in the hinge test and the diagnostic test of the extra-high voltage transformer and is used for detecting whether insulation defects exist in the extra-high voltage transformer. During the testing process, some of the laboratory instruments need to be viewed and manipulated from the top side, and some need to be viewed and manipulated from the front side.
For example, chinese patent with publication No. CN106443083B discloses a special operating console for extra-high voltage transformer partial discharge test capable of multi-directionally adjusting, which includes an operating console base and an instrument bracket installed on the operating console base; the instrument bracket comprises a bracket upper end surface, a rotating shaft, a bracket rear end surface, a fixed support rod and a bracket lower end surface, and the operating platform base comprises a supporting seat, a bracket rotating bearing, a bracket fixing plate and a height adjusting tightening hoop; the rotating shaft of the instrument bracket and the inner ring of the bracket rotating bearing are assembled in an interference fit mode, and two ends of the fixed supporting rod of the instrument bracket are respectively inserted into the slotted holes in the bracket fixing plate. It can be adjusted with arbitrary height and instrument angle of putting, and test operation personnel can put test instrument in suitable position and angle according to position of sitting and working habit of oneself, avoids long-time sunshine to penetrate the injury that brings for tester and instrument and equipment directly simultaneously, greatly improves the convenience and the travelling comfort in the process of the test.
Thereby rely on in this structure to rotate the instrument bracket and adjust the angle of placing the instrument in the instrument bracket, make people can be convenient go the observation instrument, do not need frequent transform angle. However, when people record data, the people need to lean on a desk for recording, and the data is more, so that all the data cannot be recorded at one time, and therefore the people need to observe the data for many times. However, when lying prone on a desk, the head is often lower than the height of the instrument, and when the data of the instrument on the top surface of the instrument is required to be recorded, the instrument needs to be continuously stood and seated for recording, so that the instrument is very inconvenient to use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the special operating platform for the partial discharge test of the extra-high voltage transformer, which can be adjusted in multiple directions, can record data when people lie prone on a writing rack, can record data by raising and lowering heads, does not need to continuously stand and sit down for recording, and is very convenient to use.
The above object of the present invention is achieved by the following technical solutions:
a special operating platform for a multi-directionally adjustable partial discharge test of an extra-high voltage transformer comprises an operating platform body, wherein a transparent plate is fixedly arranged on the top surface of the operating platform body, an instrument placing device, an instrument observing device and a writing device are arranged on the operating platform body, the instrument placing device comprises an instrument bracket, the instrument bracket is positioned on the lower side of the transparent plate, the instrument bracket is arranged in an inclined manner, and one end, close to the front side of the operating platform, in the instrument bracket is the end with the lowest height in the instrument bracket; the instrument observation device comprises a lower reflector, an upper reflector and a reflector bracket, wherein the lower reflector is arranged at one end of the instrument bracket close to the front surface of the operating platform, the reflector bracket is arranged on the top surface of the operating platform body, and the upper reflector is arranged on the reflector bracket and can observe the lower reflector from the upper reflector and the instrument bracket from the lower reflector; the writing device comprises a writing rack, the writing rack is installed on the front face of the operating table body, and the height of the writing rack is higher than that of the instrument bracket.
Through adopting above-mentioned technical scheme, install the instrument placer who is used for placing the instrument on the operation panel body, after people have placed the instrument, because the slope of instrument bracket sets up, people can be more easy see through the transparent plate and observe the data of instrument on the instrument top surface. When the data of the instrument on the top surface of the instrument is filled in on the writing rack, the writing rack is more convenient. When people observe data of the instrument on the front side, the lower reflector is observed through the upper reflector, and the instrument bracket is observed from the lower reflector. When people observe the data, the data of the upper reflector only needs to be observed by head-up. It can be when people lie prone on writing rack record data, and the record can be carried out with the lower back to the head, need not to stand constantly and sit down and take notes, and it is very convenient to use.
The present invention in a preferred example may be further configured to: the angle adjusting device for adjusting the instrument bracket is mounted on the operating table body and comprises a hinge rod mounted on the operating table body, the hinge rod is horizontally arranged and fixedly mounted on one side of the front surface of the operating table body, the instrument bracket comprises a lower support rod, and the lower support rod is rotatably mounted on the hinge rod; the angle adjusting device further comprises an occlusion assembly, the occlusion assembly comprises an occlusion female part fixedly arranged on the hinge rod and an occlusion sub-part fixedly arranged on the lower support rod, and the occlusion female part and the occlusion sub-part can be mutually occluded and can fix the lower support rod relative to the hinge rod.
Through adopting above-mentioned technical scheme, through rotating die-pin down, make die-pin down rotate for the hinge bar to the contained angle between convenient regulation die-pin down and the horizontal plane, be the angle of adjusting the slope of instrument bracket promptly. The engaging sub-element is then kept fixed relative to the engaging parent element, so that the lower support rod is conveniently fixed relative to the hinge rod, and the angle of the instrument support is kept unchanged. The position of the instrument bracket can be conveniently fixed. The angle can be adjusted according to the condition of a user, and the device is suitable for different people to use.
The present invention in a preferred example may be further configured to: the instrument bracket include the bracket bottom plate of fixed mounting on the die-pin down, down speculum fixed mounting is on the bracket bottom plate, down the speculum is parallel with the hinge rod, and the contained angle on speculum and the bracket bottom plate is 135 down, it articulates on the reflection rack to go up the speculum, it is used for making the unable pivoted mounting of speculum to install on the reflection rack, install the reflection slide rail that the level set up on the top surface of operation panel body, the front of reflection slide rail perpendicular to operation panel body, the reflection rack can remove along the reflection slide rail.
By adopting the technical scheme, because the included angle between the lower reflector and the bracket bottom plate is 135 degrees, the front surface of the instrument placed on the bracket bottom plate can be well reflected by the lower reflector. Then people adjust the angle of the upper reflector to make the upper reflector parallel to the lower reflector, and then the upper reflector and the lower reflector are fixed through a fixing piece. And then, the position of the reflecting frame is adjusted until people lie prone on the writing frame, and the front instrument of the instrument irradiated in the lower reflecting mirror can be directly observed. The instrument bracket can still well observe the instruments on the front surface of the instrument after the angle of the instrument bracket is adjusted.
The invention in a preferred example may be further configured to: the writing rack is rotatably arranged on the front surface of the operating table body, the rotating axis of the writing rack is parallel to the hinge rod, the meshing assembly comprises a lower gear rotatably arranged on the operating table body, the rotating axis of the lower gear is parallel to the rotating axis of the writing rack, and the writing rack drives the lower gear to rotate; a self-locking column which rotates together with the lower gear penetrates through the center of the lower gear, a threaded column is mounted at one end of the self-locking column, a threaded hole is formed in the operating table body, the axis of the threaded hole is collinear with the rotating axis of the lower gear, and the threaded column penetrates through the threaded hole; the occlusion parent part is provided with a parent through hole, the occlusion child part is provided with a circle of child through holes, and when the lower supporting rod rotates, the parent through holes are respectively overlapped with the child through holes; the thread column on the self-locking device can also simultaneously penetrate through the female penetrating hole and the sub penetrating hole overlapped with the female penetrating hole.
Through adopting above-mentioned technical scheme, the writing frame is with its vertical setting when not using at ordinary times, reduces the shared space of whole operation panel body. When the writing rack is used, the writing rack is rotated to the horizontal position, and the lower gear is driven to rotate at the moment. Thereby causing the self-locking cylinder to rotate as well. When the self-locking column rotates, the threaded column at one end of the self-locking column penetrates through the threaded hole, so that the self-locking column moves along the axis direction of the threaded hole. The length setting of self-locking post is longer, makes the pivoted in-process of writing rack, and the self-locking post can wear to establish all the time on the gear down. When the writing rack rotates to a horizontal position, the self-locking column moves and enables the threaded column to simultaneously penetrate through the female penetrating hole and the sub penetrating hole overlapped with the female penetrating hole, so that the meshed female part and the meshed sub part are kept relatively fixed, and the rotating angle of the instrument bracket is fixed.
The present invention in a preferred example may be further configured to: the occlusion assembly comprises a self-locking structure, the self-locking structure comprises a lock tongue, a lock groove is formed in the side wall of the threaded column, the lock tongue is embedded in the lock groove, and the lock tongue can be popped out from the lock groove and is positioned on the outer side of the threaded column.
Through adopting above-mentioned technical scheme, after the screw thread post wore to establish female through-hole and with the sub-through-hole that female through-hole overlaps, make the spring bolt pop out to make the screw thread post unable withdrawal again, promptly make the writing rack can't rotate to vertical position department from horizontal position, thereby fix the rigidity of writing rack. When the writing rack needs to be put down, the lock tongue is pressed into the lock groove, and then the writing rack is rotated, so that the threaded column can be pulled out from the female penetrating hole and the male penetrating hole.
The invention in a preferred example may be further configured to: the spring bolt set to the wedge, keep away from the side of lower gear in the spring bolt and be the inclined plane, and the one end that the locked groove was kept away from to this inclined plane all inclines towards the one side that is close to lower gear.
Through adopting above-mentioned technical scheme, set the spring bolt to the wedge, make the screw thread post pass female wear to establish the hole and the downthehole time of son wear to establish, can be worn to establish the hole by female and the extrusion of the inside wall in the hole is worn to establish by son to automatic being impressed the locked groove. Make people when lifting the writing desk, female wear to establish hole and son wear to establish the hole that the screw thread post can be convenient, need not the manual spring bolt of pressing, it is more convenient and easy to use.
The invention in a preferred example may be further configured to: the instrument placement device comprises a fixing assembly, the fixing assembly comprises a limiting hole formed in an instrument bracket bottom plate, a limiting hole rectangular array is arranged on the bracket bottom plate, a limiting part is arranged in the limiting hole in a penetrating mode, and the limiting part comprises a limiting stand column and a limiting sucker fixedly installed above the limiting stand column.
Through adopting above-mentioned technical scheme, spacing sucking disc can adsorb on the bottom surface of instrument, and when the instrument was placed on the bracket bottom plate, spacing stand was worn to establish in spacing downthehole, made the instrument be difficult for sliding downwards along the surface of bracket bottom plate. When people adjust the angle of the instrument bracket, the instrument can be placed more stably. Any number of limiting suckers can be installed on the bottom surface of the instrument according to actual conditions, and limiting holes without penetrating limiting upright posts can achieve the effect of facilitating heat dissipation.
The present invention in a preferred example may be further configured to: external threads are formed on the outer side surface of the limiting upright post and sleeved with a rotating ring, and the rotating ring is in threaded fit with the limiting upright post; the outer side surface of the rotating ring is formed with external threads, the inner side wall of the limiting hole is formed with internal threads, and the rotating ring is in threaded fit with the limiting hole.
Through adopting above-mentioned technical scheme, wear to establish spacing downthehole back when spacing stand, from spacing stand's lower extreme installation swivel becket, rotate to the position department back adjacent with the bracket bottom plate when the swivel becket, hold spacing stand to continue rotatory swivel becket, make the swivel becket twist in spacing downthehole, thereby convenient fix the swivel becket on the bracket bottom plate, overall structure is more firm.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when people lie prone on the writing rack to record data, the head can be raised and lowered to record, continuous standing and sitting down are not needed to record, and the use is very convenient;
2. the position of the instrument bracket can be conveniently fixed by turning the writing stand to the horizontal position, and the use is more convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a schematic view of the structure of the instrument holder and the hinge rod.
Fig. 3 is a partially enlarged schematic view of a portion a of fig. 1.
Fig. 4 is a schematic view of the installation of the self-locking post.
Fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.
In the figure, 1, an operation table body; 11. a transparent plate; 2. an instrument holder; 21. a lower supporting rod; 22. a bracket bottom plate; 23. a limiting hole; 24. a limiting member; 241. a limiting upright post; 242. a limiting sucker; 243. a rotating ring; 3. a hinged lever; 4. a reflective slide rail; 41. a slider; 42. a reflection frame; 43. a lower reflector; 44. an upper mirror; 45. fixing the bolt; 5. a writing rack; 51. mounting grooves; 52. an upper gear; 53. a lower gear; 54. a synchronous belt; 6. a self-locking post; 61. a threaded post; 62. a self-locking block; 621. a threaded hole; 63. engaging the female member; 631. a female through hole is formed; 64. an engaging sub-member; 641. the sub-through holes are drilled; 7. locking the groove; 71. a lock tongue.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the operating table special for the extra-high voltage transformer partial discharge test and capable of being adjusted in multiple directions disclosed by the invention comprises an operating table body 1, wherein a transparent plate 11 is fixedly installed on the top surface of the operating table body 1. An instrument placing device, an angle adjusting device, an instrument observing device and a writing device are arranged on the operating table body 1.
Referring to fig. 1 and 2, the instrument placement device includes an instrument tray 2, the instrument tray 2 being located at a lower side of a transparent plate 11. The instrument holder 2 includes two lower support rods 21 and a holder base plate 22 installed between the lower support rods 21. The angle adjusting device comprises a hinge rod 3 fixedly installed on the operating platform, the hinge rod 3 is horizontally and fixedly installed on one side of the front face of the operating platform body 1, and the hinge rod 3 is parallel to the front face of the operating platform body 1. The two lower support rods 21 are rotatably arranged on the hinge rod 3, and the rotating axes of the lower support rods 21 are collinear with the axis of the hinge rod 3. The instrument placement device further comprises a fixing assembly, the fixing assembly comprises a limiting hole 23 formed in the bottom plate of the instrument bracket 2, and the limiting hole 23 is arranged on the bracket bottom plate 22 in a rectangular array mode. A limiting member 24 is inserted into the limiting hole 23, the limiting member 24 includes a limiting upright post 241, and a limiting suction cup 242 for sucking an instrument is fixedly mounted at the upper end of the limiting upright post 241. The outer side surface of the limiting upright post 241 is sleeved with a rotating ring 243, threads are formed on the outer side surface of the limiting upright post 241, the inner side surface and the outer side surface of the rotating ring 243 and the inner side surface of the limiting hole 23, the rotating ring 243 is in threaded fit with the limiting upright post 241, and the rotating ring 243 is in threaded fit with the limiting hole 23. The limiting suction cup 242 can be adsorbed on the bottom surface of the instrument, when the instrument is placed on the bracket bottom plate 22, the limiting upright post 241 is arranged in the limiting hole 23 in a penetrating manner, and the position of the limiting upright post 241 is fixed through the rotating ring 243, so that the instrument is not easy to slide downwards along the surface of the bracket bottom plate 22. When one adjusts the angle of the instrument holder 2, the instrument can be placed more stably. The bottom surface of the instrument can be only provided with four limiting suckers 242, and the limiting holes 23 without the limiting upright posts 241 can play a role in facilitating heat dissipation.
Referring to fig. 1 and 2, the instrument observation device includes a lower mirror 43 installed on the carriage base plate 22, the lower mirror 43 being parallel to the axis of the hinge lever 3, and the lower mirror 43 being at an angle of 135 ° to the carriage base plate 22. The top surface of the operating table body 1 is fixedly provided with a reflection slide rail 4, the reflection slide rail 4 is horizontally arranged and is perpendicular to the front surface of the operating table body 1, the reflection slide rail 4 is slidably provided with a slide block 41, and the reflection frame 42 is fixedly arranged on the slide block 41. An upper reflecting mirror 44 is hinged to the reflecting frame 42, and the axis of rotation of the upper reflecting mirror 44 is parallel to the axis of the hinge rod 3. A fixing bolt 45 as a fixing member is attached to the reflection frame 42, and the fixing bolt 45 can be brought into contact with the rotation shaft of the upper mirror 44 to hold the upper mirror 44 fixed to the reflection frame 42. Since the lower mirror 43 is at an angle of 135 ° to the tray floor 22, the front of the instrument placed on the tray floor 22 can be well reflected by the lower mirror 43. The instrument bracket can still well observe the instruments on the front surface of the instrument after the angle of the instrument bracket 2 is adjusted.
Referring to fig. 3 and 4, the writing instrument includes a writing desk 5, and the writing desk 5 is rotatably mounted on the front surface of the console body 1. The axis of rotation of the writing desk 5 is parallel to the hinge rod 3 and the height of the writing desk 5 is higher than the height of the instrument holder 2. The end of the writing desk 5 close to the operating desk body 1 is provided with a mounting groove 51, the angle adjusting device further comprises an engaging component, the engaging component comprises an upper gear 52 and a lower gear 53, the upper gear 52 is fixedly mounted in the mounting groove 51, the axis of the upper gear 52 is collinear with the rotation axis of the writing desk 5, the lower gear 53 is rotatably mounted on the operating desk body 1, and the rotation axis of the lower gear 53 is parallel to the hinge rod 3. The upper gear 52 and the lower gear 53 are driven by a timing belt 54. The center of the lower gear 53 is provided with a square self-locking column 6 in a penetrating way, and the self-locking column 6 and the lower gear 53 rotate together. As shown in fig. 5, a threaded post 61 is integrally formed at one end of the self-locking post 6, the rotation axis of the threaded post 61 is collinear with the rotation axis of the lower gear 53, a self-locking block 62 is fixedly mounted on the console body 1, a threaded hole 621 is formed in the self-locking block 62, and the threaded post 61 is inserted into the threaded hole 621.
Referring to fig. 4 and 5, the snap assembly further includes a snap female member 63 and a snap male member 64, the snap female member 63 being fixedly mounted on the hinge rod 3, and the snap male member 64 being fixedly mounted on the lower bracket rod 21 (shown in fig. 3). Set up a female through hole 631 on the female piece 63 of interlock, seted up a circle of son through hole 641 on the sub-64 of interlock, female through hole 631 and articulated rod 3 between the interval have a certain distance, and the distance between each son through hole 641 and the articulated rod 3 all equals the distance of interval between female through hole 631 and the articulated rod 3, when die pin 21 rotates, female through hole 631 can overlap with each son through hole 641 in proper order. The axis of the screw post 61 is collinear with the axis of the female through hole 631, and when the writing desk 5 is rotated from the vertical state to the horizontal state, the screw post 61 can pass through the female through hole 631 and the sub through hole 641 overlapping with the female through hole 631. The meshing assembly further comprises a self-locking structure, a lock groove 7 is formed in the side wall of the threaded column 61, the self-locking structure comprises a lock tongue 71 installed in the lock groove 7, and a spring is connected between the lock tongue 71 and the bottom surface of the lock groove 7. The latch tongue 71 is wedge-shaped, the side surface of the latch tongue 71 far away from the lower gear 53 is an inclined surface, and one end of the inclined surface far away from the lock groove 7 inclines towards one side close to the lower gear 53. The latch tongue 71 can be fully squeezed and inserted into the latch groove 7.
When in use, the angle of the lower supporting rod 21 is adjusted to make one of the sub through holes 641 of the engaging sub-piece 64 on the lower supporting rod 21 overlap with the main through hole 631 of the engaging main piece 63, and then the writing desk 5 is rotated. When the writing desk 5 rotates, the upper gear 52 is driven to rotate, and the lower gear 53 is driven to rotate. And the rotation of the lower gear 53 can drive the self-locking column 6 to rotate together. When the self-locking column 6 rotates, the threaded column 61 at one end of the self-locking column 6 passes through the threaded hole 621, so that the self-locking column 6 moves along the axial direction of the threaded hole 621. The length of the self-locking column 6 is longer, so that the self-locking column 6 can always penetrate through the lower gear 53 in the rotating process of the writing desk 5. When the writing desk 5 rotates to the horizontal position, the self-locking post 6 moves and makes the screw post 61 simultaneously pass through the mutually overlapped female through hole 631 and the sub through hole 641, so that the engaging female member 63 and the engaging sub member 64 are kept relatively fixed, and the rotating angle of the instrument holder 2 is fixed. At this time, the latch 71 is ejected, so that the writing desk 5 cannot be rotated from the horizontal position to the vertical position, i.e., the position of the writing desk 5 is fixed. When the writing rack 5 needs to be put down, the bolt 71 is pressed into the lock groove 7, and then the writing rack 5 is rotated, so that the threaded column 61 is pulled out from the female through hole 631 and the male through hole 641. When the instrument holder 2 is fixed, the instrument holder 2 is tilted, the angle of the upper mirror 44 is adjusted so that the upper mirror 44 is parallel to the lower mirror 43, and the position of the upper mirror 44 is fixed by a fixing member. The position of the reflection frame 42 is then adjusted until a person lies on the writing desk 5, so that the front instrument of the instrument irradiated by the lower reflection mirror 43 can be directly observed. At this point one can view the data of the instruments on the top surface of the instrument through the transparent plate 11. When the data of the instruments on the top surface of the instrument are filled in on the writing rack 5, the writing rack is more convenient. When observing the data of the instrument on the front side of the instrument, the person first observes the lower mirror 43 through the upper mirror 44 and observes the instrument holder 2 from the lower mirror 43. People only need to look up the data of the upper reflecting mirror 44 when observing. It can be when people lie prone on writing rack 5 record data, and the record can be carried out with the lower head to the new line, need not to stand constantly and sit down and take notes, and it is very convenient to use.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a special operation panel of extra-high voltage transformer partial discharge test that can multidirectionally adjust, includes operation panel body (1), its characterized in that: the top surface of the operating platform body (1) is fixedly provided with a transparent plate (11), the operating platform body (1) is provided with an instrument placing device, an instrument observing device and a writing device, the instrument placing device comprises an instrument bracket (2), the instrument bracket (2) is positioned on the lower side of the transparent plate (11), the instrument bracket (2) is obliquely arranged, and one end, close to the front surface of the operating platform, in the instrument bracket (2) is the end with the lowest height in the instrument bracket (2); the instrument observation device comprises a lower reflector (43), an upper reflector (44) and a reflector bracket (42), wherein the lower reflector (43) is arranged at one end of the instrument bracket (2) close to the front surface of the operating platform, the reflector bracket (42) is arranged on the top surface of the operating platform body (1), the upper reflector (44) is arranged on the reflector bracket (42) and can observe the lower reflector (43) from the upper reflector (44), and the instrument bracket (2) is observed from the lower reflector (43); the writing device comprises a writing rack (5), the writing rack (5) is installed on the front surface of the operating platform body (1), and the height of the writing rack (5) is higher than that of the instrument bracket (2);
the angle adjusting device for adjusting the instrument bracket (2) is mounted on the operating table body (1), the angle adjusting device comprises a hinge rod (3) mounted on the operating table body (1), the hinge rod (3) is horizontally arranged and fixedly mounted on one side of the front face of the operating table body (1), the instrument bracket (2) comprises a lower support rod (21), and the lower support rod (21) is rotatably mounted on the hinge rod (3); the angle adjusting device also comprises an occlusion assembly, the occlusion assembly comprises an occlusion female part (63) fixedly arranged on the hinge rod (3) and an occlusion sub-part (64) fixedly arranged on the lower support rod (21), and the occlusion female part (63) and the occlusion sub-part (64) can be mutually occluded to fix the lower support rod (21) relative to the hinge rod (3);
the instrument bracket (2) comprises a bracket bottom plate (22) fixedly installed on a lower supporting rod (21), a lower reflector (43) is fixedly installed on the bracket bottom plate (22), the lower reflector (43) is parallel to a hinge rod (3), an included angle between the lower reflector (43) and the bracket bottom plate (22) is 135 degrees, an upper reflector (44) is hinged on a reflector (42), a fixing piece used for enabling the reflector to be incapable of rotating is installed on the reflector (42), a horizontally arranged reflection slide rail (4) is installed on the top surface of the operating table body (1), the reflection slide rail (4) is perpendicular to the front surface of the operating table body (1), and the reflector (42) can move along the reflection slide rail (4);
the writing rack (5) is rotatably installed on the front face of the operating table body (1), the rotating axis of the writing rack (5) is parallel to the hinge rod (3), the meshing assembly comprises a lower gear (53) rotatably installed on the operating table body (1), the rotating axis of the lower gear (53) is parallel to the rotating axis of the writing rack (5), and the writing rack (5) drives the lower gear (53) to rotate; a self-locking column (6) rotating together with the lower gear (53) penetrates through the center of the lower gear (53), a threaded column (61) is installed at one end of the self-locking column (6), a threaded hole (621) is formed in the operating table body (1), the axis of the threaded hole (621) is collinear with the rotating axis of the lower gear (53), and the threaded column (61) penetrates through the threaded hole (621); the occlusion female part (63) is provided with a female through hole (631), the occlusion sub-part (64) is provided with a circle of sub through holes (641), and when the lower supporting rod (21) rotates, the female through hole (631) is respectively overlapped with each sub through hole (641); the self-locking threaded column (61) can also simultaneously penetrate through the female penetrating hole (631) and the sub penetrating hole (641) overlapped with the female penetrating hole (631).
2. The special operating platform for the partial discharge test of the multi-direction adjustable extra-high voltage transformer according to claim 1, characterized in that: the occlusion assembly comprises a self-locking structure, the self-locking structure comprises a lock tongue (71), a lock groove (7) is formed in the side wall of the threaded column (61), the lock tongue (71) is embedded in the lock groove (7), and the lock tongue (71) can be popped out from the lock groove (7) and is positioned on the outer side of the threaded column (61).
3. The special operating platform for the partial discharge test of the multi-direction adjustable extra-high voltage transformer according to claim 2, characterized in that: the lock tongue (71) is arranged in a wedge shape, the side face, far away from the lower gear (53), of the lock tongue (71) is an inclined face, and one end, far away from the lock groove (7), of the inclined face inclines towards one side, close to the lower gear (53).
4. The special operating platform for the partial discharge test of the multi-direction adjustable extra-high voltage transformer according to claim 1, characterized in that: the instrument placing device comprises a fixing assembly, the fixing assembly comprises a limiting hole (23) formed in a bottom plate of an instrument bracket (2), the limiting hole (23) is arranged on a bracket bottom plate (22) in a rectangular array mode, a limiting part (24) penetrates through the limiting hole (23), and the limiting part (24) comprises a limiting upright post (241) and a limiting sucker (242) fixedly installed above the limiting upright post (241).
5. The special operating platform for the partial discharge test of the multi-direction adjustable extra-high voltage transformer according to claim 4, wherein: an external thread is formed on the outer side surface of the limiting upright post (241) and a rotating ring (243) is sleeved on the external thread, and the rotating ring (243) is in threaded fit with the limiting upright post (241); an external thread is formed on the outer side surface of the rotating ring (243), an internal thread is formed on the inner side wall of the limiting hole (23), and the rotating ring (243) is in threaded fit with the limiting hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636696.2A CN111781407B (en) | 2020-07-03 | 2020-07-03 | Special operating platform for extra-high voltage transformer partial discharge test capable of being adjusted in multiple directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636696.2A CN111781407B (en) | 2020-07-03 | 2020-07-03 | Special operating platform for extra-high voltage transformer partial discharge test capable of being adjusted in multiple directions |
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| Publication Number | Publication Date |
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