CN210896935U - High-voltage epoxy cast dry-type transformer above 35kv - Google Patents
High-voltage epoxy cast dry-type transformer above 35kv Download PDFInfo
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- CN210896935U CN210896935U CN201922337646.XU CN201922337646U CN210896935U CN 210896935 U CN210896935 U CN 210896935U CN 201922337646 U CN201922337646 U CN 201922337646U CN 210896935 U CN210896935 U CN 210896935U
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Abstract
The utility model discloses a high pressure epoxy pouring dry-type transformer more than 35kv, its structure includes the base, the radiator, the protecting crust, transformer coil, high-pressure connection piece, put on the shelf and low voltage line connecting device, the utility model discloses an install a low voltage line connecting device in putting on the shelf rear end, install low voltage wire fixing device in the low voltage line connecting device rear end wall, when connecting the low voltage wire, insert the low voltage direction to low voltage line connecting device's splint in, press from both sides tight fixed to the low voltage wire through low voltage direction fixing device, then rotatory knob, it is fixed to press from both sides the low voltage wire through the shrink between two splint of lead screw drive, can accomplish fixed and the connection to the low voltage wire, easy operation is convenient for be connected dry-type transformer and low voltage wire.
Description
Technical Field
The utility model relates to a dry-type transformer technical field, concretely relates to high-pressure epoxy pouring dry-type transformer more than 35 kv.
Background
The dry-type transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply, the dry-type transformer refers to a transformer with an iron core and a winding which are not immersed in insulating oil, and transformation is required to be carried out through the dry-type transformer in the high-voltage epoxy casting work.
The dry-type transformer in the prior art is connected with the low-voltage wire through the low-voltage wire outlet copper plate, is wound on the low-voltage wire outlet copper plate through the low-voltage guide, and is locked through the bolt, so that the operation is complex, the fixing effect is poor, and the low-voltage wire is not conveniently connected and fixed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the high-voltage epoxy cast dry-type transformer with the voltage of more than 35kv is provided, and the problems that the dry-type transformer in the prior art is connected with a low-voltage wire through a low-voltage wire outlet copper plate, is wound on the low-voltage wire outlet copper plate through low-voltage guiding, is complex to operate, has poor fixing effect and is inconvenient to connect and fix the low-voltage wire are solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a high-voltage epoxy cast dry-type transformer with the voltage of more than 35kv, which comprises a base,
the radiator is used for radiating the transformer coil;
the high-voltage connecting sheet is used for connecting a high-voltage wire;
the low-voltage wire connecting device is used for connecting and fixing a low-voltage wire;
furthermore, two radiators are arranged and are respectively arranged at the front side and the rear side of the bottom of the transformer coil;
further, the length of the low-voltage wire connecting device is consistent with that of the base.
Furthermore, radiators are respectively installed on the front side and the rear side of the top end of the base, the middle of the top end of the base is mutually locked with the protective shell through bolts, three transformation coils are installed inside the protective shell, a high-voltage connecting sheet is arranged at the front ends of the transformation coils, an upper frame is installed at the top end of the protective shell, and the rear end of the upper frame is mutually locked with a low-voltage wire connecting device through bolts.
Furthermore, the low-voltage wire connecting device is composed of a fixing plate, a shell, a low-voltage wire fixing device, a knob, a screw rod, an upper clamping plate, a lower clamping plate and a guide rod, wherein the rear end of the fixing plate is locked with the shell through a bolt, the low-voltage wire fixing device is embedded in the rear end wall of the shell and is locked with the low-voltage wire fixing device through a bolt, the bottom end of the knob is locked with the screw rod, the bottom end of the screw rod extends into the shell, the screw rod vertically penetrates through the upper clamping plate and the lower clamping plate and is in threaded connection with the upper clamping plate and the lower clamping plate respectively, the guide rod vertically penetrates through the right sides of the upper clamping plate and the lower clamping plate, the upper end and the lower end of the guide rod are locked with the shell through.
Further, low pressure wire fixing device comprises support ring, supporting spring, fly leaf, connecting rod, activity pipe, solid fixed splint and gag lever post, both sides carry out elastic connection through supporting spring and fly leaf respectively about the support ring is inside, the fly leaf left and right sides is connected with the activity pipe through the connecting rod respectively, the activity intraductal side locks up with the solid fixed splint each other through the bolt, the activity pipe right-hand member carries out the horizontal slip along the gag lever post, and the gag lever post passes through the bolt and locks up with the support ring each other, the support ring embedding is in the shell, and locks up with the shell each other through the bolt.
Further, the connecting rod comprises connecting rod, first pivot, spout, second pivot and fixed rotating shaft, connecting rod one end is rotated with the expansion pipe through first pivot and is connected, and the connecting rod other end has seted up the spout, the inside embedding of spout has the second pivot, and the connecting rod rotates with the fly leaf through the second pivot to be connected, the connecting rod middle part rotates along fixed rotating shaft.
Furthermore, the lines on the upper side and the lower side of the screw rod are arranged in a positive and negative thread mode, and the upper clamping plate and the lower clamping plate are in threaded connection with the positive and negative threads on the upper side and the lower side of the screw rod respectively.
Furthermore, the rear end of the movable plate is inclined and inclines at an angle of forty-five degrees from the rear to the front.
Further, when the supporting spring extends, the distance between the two fixed plates is twice as long as the distance between the two movable plates.
Furthermore, the upper clamping plate and the lower clamping plate are made of copper, so that the steel wire rope is high in hardness, good in fixing effect and good in conducting effect.
Further, fly leaf and fixed plate all adopt PVC plastics material, and the quality is light, and is not fragile, and has good insulating effect.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses an installed a low-voltage line connecting device in last frame rear end, install low-voltage wire fixing device in the low-voltage line connecting device rear end wall, when connecting the low-voltage wire, insert the low pressure direction to low-voltage line connecting device's splint in, press from both sides tight fixedly to the low-voltage wire through low-voltage direction fixing device, then rotatory knob, it presss from both sides the fastening to the low-voltage wire to shrink between two splint to drive through the lead screw and decides, can accomplish the fixed and connection to the low-voltage wire, and easy operation is convenient for be connected dry-type transformer and low-voltage wire.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a rear view of the structure of the low-voltage line connection device of the present invention;
fig. 3 is a sectional view of the internal structure of the low voltage line connection device of the present invention;
fig. 4 is a sectional view of the internal structure of the low-voltage wire fixing device of the present invention;
fig. 5 is a partially enlarged view of the area a of fig. 4 according to the present invention.
In the figure: the device comprises a base-1, a radiator-2, a protective shell-3, a transformer coil-4, a high-voltage connecting sheet-5, an upper frame-6, a low-voltage wire connecting device-7, a fixing plate-71, a shell-72, a low-voltage wire fixing device-73, a knob-74, a screw rod-75, an upper clamping plate-76, a lower clamping plate-77, a guide rod-78, a support ring-731, a support spring-732, a movable plate-733, a connecting rod-734, a movable tube-735, a fixing plate-736, a limiting rod-737, a connecting rod-7341, a first rotating shaft-7342, a sliding groove-7343, a second rotating shaft-7344 and a fixed rotating shaft-7345.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, 2, 3, 4 and 5, the present invention provides a high voltage epoxy cast dry transformer with a voltage of 35kv or more: comprises a base 1 and a plurality of connecting rods, wherein,
the radiator 2 is used for radiating the transformer coil 4 and quickly radiating the transformer coil 4;
the high-voltage connecting sheet 5 is used for connecting the high-voltage wires and fixing and connecting the external high-voltage wires;
the low-voltage wire connecting device 7 is used for connecting and fixing the low-voltage wire, so that the connecting speed and the fixing effect are increased;
the two radiators 2 are respectively arranged at the front side and the rear side of the bottom of the transformer coil 4, and the front side and the rear side of the bottom of the transformer coil 4 are radiated to increase the radiating effect;
the length of the low-voltage wire connecting device 7 is consistent with that of the base 1, and the low-voltage wire connecting device 7 is prevented from protruding to influence the installation of the transformer.
The radiator 2 is installed on the front side and the rear side of the top end of the base 1 respectively, the middle of the top end of the base 1 is locked with the protective shell 3 through bolts, the three transformation coils 4 are installed inside the protective shell 3, the high-voltage connecting piece 5 is arranged at the front end of each transformation coil 4, the upper frame 6 is installed on the top end of the protective shell 3, and the rear end of the upper frame 6 is locked with the low-voltage wire connecting device 7 through bolts.
The low-voltage wire connecting device 7 comprises a fixing plate 71, a shell 72, a low-voltage wire fixing device 73, a knob 74, a screw rod 75, an upper clamping plate 76, a lower clamping plate 77 and a guide rod 78, wherein the rear end of the fixing plate 71 is locked with the shell 72 through a bolt, the low-voltage wire fixing device 73 is embedded in the rear end wall of the shell 72 and is locked with the low-voltage wire fixing device 73 through a bolt, the bottom end of the knob 74 is locked with the screw rod 75, the bottom end of the screw rod 75 extends into the shell 72, the screw rod 75 vertically penetrates through the upper clamping plate 76 and the lower clamping plate 77 and is in threaded connection with the upper clamping plate 76 and the lower clamping plate 77 respectively, the guide rod 78 vertically penetrates through the right sides of the upper clamping plate 76 and the lower clamping plate 77, the upper end and the lower end of the guide rod 78 are locked with the shell 72 through bolts respectively, and the.
The low-voltage lead fixing device 73 is composed of a support ring 731, a support spring 732, a movable plate 733, a connecting rod 734, a movable tube 735, a fixed clamp plate 736 and a limiting rod 737, wherein the upper side and the lower side of the inside of the support ring 731 are elastically connected with the movable plate 733 through the support spring 732 respectively, the left side and the right side of the movable plate 733 are connected with the movable tube 735 through the connecting rod 734 respectively, the inner side of the movable tube 735 is locked with the fixed clamp plate 736 through bolts, the right end of the movable tube 735 slides left and right along the limiting rod 737, the limiting rod 737 is locked with the support ring 731 through bolts, and the support ring 731 is embedded in the housing 72 and is locked with the housing 72 through bolts.
The connecting rod 734 is composed of a connecting rod 7341, a first rotating shaft 7342, a sliding groove 7343, a second rotating shaft 7344 and a fixed rotating shaft 7345, one end of the connecting rod 7341 is rotatably connected with the movable tube 735 through the first rotating shaft 7342, the other end of the connecting rod 7341 is provided with the sliding groove 7343, the second rotating shaft 7344 is embedded in the sliding groove 7343, the connecting rod 7341 is rotatably connected with the movable plate 733 through the second rotating shaft 7344, and the middle part of the connecting rod 7341 rotates along the fixed rotating shaft 7345.
The grains on the upper side and the lower side of the screw rod 75 are arranged in a positive and negative thread mode, the upper clamping plate 76 and the lower clamping plate 77 are in threaded connection with the positive and negative threads on the upper side and the lower side of the screw rod 75 respectively, and the screw rod 75 is driven to expand and contract between the upper clamping plate 76 and the lower clamping plate 77 when rotating.
The rear end of the movable plate 733 is inclined and inclined at an angle of forty-five degrees from rear to front, so that the movable plate 733 is pressed when the low-voltage lead is inserted, and the movable plate 733 is pushed to expand outwards by the inclination of the movable plate 733.
When the supporting spring 732 extends, the distance between the two fixing splints 736 is twice as long as the distance between the two moving plates 733, so that the fixing splints 736 are prevented from affecting the propulsion of the low-voltage lead.
The upper clamping plate 76 and the lower clamping plate 77 are made of copper, so that the steel plate is high in hardness, good in fixing effect and good in conducting effect.
Wherein, fly leaf 733 and solid fixed splint 736 all adopt PVC plastics material, and the quality is light, and is not fragile, and has good insulating effect.
This patent fly leaf 733 and solid fixed splint 736 all adopt PVC plastics material, PVC (polyvinyl chloride) chemistry and physical properties rigidity PVC are one of the most extensive plastic materials of use, the PVC material is a non-crystalline material, stabilizer, emollient, auxiliary processing agent, colouring material, reinforcing agent and other additives are often added to the PVC material in-service use.
The working principle is as follows: before use, the transformer is firstly fixed on a required position through a base 1 at the bottom end, a radiator 2 is connected with an external power supply, a transformer coil 4 is radiated through the radiator 2, and is connected with an external high-voltage wire through a high-voltage connecting sheet 5, a low-voltage wire connecting device 7 is arranged, and is connected with an external low-voltage wire through the low-voltage wire connecting device 7, when in connection, the external low-voltage wire penetrates through a low-voltage wire fixing device 73 and is inserted into an upper clamping plate 76 and a lower clamping plate 77 of a shell 72, because the rear end of a movable plate 733 is inclined and inclines from the rear to the front at an angle of forty-fifteen degrees to an inner valley, the movable plate extrudes the movable plate 733 when in insertion of the low-voltage wire, the movable plate 733 is obliquely pushed to be expanded outwards through the movable plate 733, the movable plate 733 extrudes a supporting spring 732 to be expanded, when the movable plate, and the second rotating shaft 7344 slides along the sliding groove 7343 in the connecting rod 7341, so that the connecting rod 7341 rotates along the fixed rotating shaft 7345 at the middle part, the connecting rod 7341 drives the movable tube 735 to advance inwards through the first rotating shaft 7342, the movable tube 735 clamps the rubber sleeve of the low-voltage conducting wire through the fixed clamp plate 736, then the knob 74 is rotated, the knob 74 drives the screw rod 75 to rotate, because the grains on the upper and lower sides of the screw rod 75 are arranged in the form of positive and negative teeth, the upper clamping plate 76 and the lower clamping plate 77 are respectively in threaded connection with the threads of the positive and negative teeth on the upper and lower sides of the screw rod 75, and because the right sides of the upper clamping plate 76 and the lower clamping plate 77 are limited by the movement of the guide rod 78, the screw rod 75 drives the upper clamping plate 76 and the lower clamping plate 77 to expand and contract when rotating, the upper clamping plate 76 and the lower clamping plate 77 are controlled to clamp and fix the copper core of the low-voltage wire, the low-voltage wire is fixed, and the dry-type transformer can be used for transforming voltage.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a high pressure epoxy casting dry-type transformer more than 35kv, includes base (1), its characterized in that still includes:
the radiator (2) is used for radiating the transformer coil (4);
the high-voltage connecting sheet (5) is used for connecting a high-voltage wire;
the low-voltage wire connecting device (7) is used for connecting and fixing the low-voltage wire;
the two radiators (2) are respectively arranged at the front side and the rear side of the bottom of the transformer coil (4);
the length of the low-voltage wire connecting device (7) is consistent with that of the base (1).
2. The high-voltage epoxy cast dry-type transformer with the voltage of more than 35kv according to claim 1, characterized in that radiators (2) are respectively installed on the front side and the rear side of the top end of the base (1), the middle part of the top end of the base (1) is mutually locked with the protective shell (3) through bolts, three transformer coils (4) are installed inside the protective shell (3), the high-voltage connecting pieces (5) are arranged at the front ends of the transformer coils (4), the upper frame (6) is installed at the top end of the protective shell (3), and the rear end of the upper frame (6) is mutually locked with the low-voltage wire connecting device (7) through bolts.
3. The high-voltage epoxy cast dry-type transformer with the voltage of more than 35kv according to claim 2, wherein the low-voltage wire connecting device (7) is composed of a fixing plate (71), a housing (72), a low-voltage wire fixing device (73), a knob (74), a screw rod (75), an upper clamping plate (76), a lower clamping plate (77) and a guide rod (78), the rear end of the fixing plate (71) is locked with the housing (72) through a bolt, the low-voltage wire fixing device (73) is embedded in the rear end wall of the housing (72) and is locked with the low-voltage wire fixing device (73) through a bolt, the bottom end of the knob (74) is locked with the screw rod (75), the bottom end of the screw rod (75) extends into the housing (72), the screw rod (75) vertically penetrates through the upper clamping plate (76) and the lower clamping plate (77) and is in threaded connection with the upper clamping plate (76) and the lower clamping plate (77) respectively, the guide rod (78) vertically penetrates through the right sides of the upper clamping plate (76) and the lower clamping plate (77), the upper end and the lower end of the guide rod (78) are locked with the shell (72) through bolts respectively, and the front end of the fixing plate (71) is locked with the upper frame (6) through bolts.
4. The high-voltage epoxy cast dry-type transformer of claim 3, wherein the low-voltage lead fixing device (73) comprises a support ring (731), a support spring (732), a movable plate (733), a connecting rod (734), a movable tube (735), a fixed clamp plate (736) and a limiting rod (737), the upper side and the lower side of the interior of the support ring (731) are elastically connected with the movable plate (733) through the support spring (732), the left side and the right side of the movable plate (733) are connected with the movable tube (735) through the connecting rod (734), the inner side of the movable tube (735) is locked with the fixed clamp plate (736) through a bolt, the right end of the movable tube (735) slides left and right along the limiting rod (737), the limiting rod (737) is locked with the support ring (731) through a bolt, the support ring (731) is embedded in the housing (72), and are locked with the housing (72) by bolts.
5. The high-voltage epoxy cast dry-type transformer of more than 35kv according to claim 4, wherein the connecting rod (734) is composed of a connecting rod (7341), a first rotating shaft (7342), a sliding chute (7343), a second rotating shaft (7344) and a fixed rotating shaft (7345), one end of the connecting rod (7341) is rotatably connected with the movable tube (735) through the first rotating shaft (7342), the sliding chute (7343) is opened at the other end of the connecting rod (7341), the second rotating shaft (7344) is embedded in the sliding chute (7343), the connecting rod (7341) is rotatably connected with the movable plate (733) through the second rotating shaft (7344), and the middle part of the connecting rod (7341) rotates along the fixed rotating shaft (7345).
6. The high-voltage epoxy-cast dry-type transformer of claim 3, wherein the threads on the upper and lower sides of the lead screw (75) are provided with positive and negative teeth, and the upper clamping plate (76) and the lower clamping plate (77) are respectively in threaded connection with the threads on the upper and lower sides of the lead screw (75).
7. The 35kv or higher high-voltage epoxy cast dry-type transformer of claim 4, wherein the movable plate (733) is inclined at a rear end and inclined at a forty-five degree angle from rear to front.
8. The high-voltage epoxy-cast dry-type transformer of 35kv or more according to claim 4, wherein the distance between the two fixed clamping plates (736) is twice as long as the distance between the two movable plates (733) when the supporting spring (732) is extended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922337646.XU CN210896935U (en) | 2019-12-23 | 2019-12-23 | High-voltage epoxy cast dry-type transformer above 35kv |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922337646.XU CN210896935U (en) | 2019-12-23 | 2019-12-23 | High-voltage epoxy cast dry-type transformer above 35kv |
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| Publication Number | Publication Date |
|---|---|
| CN210896935U true CN210896935U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922337646.XU Active CN210896935U (en) | 2019-12-23 | 2019-12-23 | High-voltage epoxy cast dry-type transformer above 35kv |
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| CN (1) | CN210896935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002525A (en) * | 2020-09-01 | 2020-11-27 | 山东九合电气有限公司 | Fireproof transformer with clamping device |
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2019
- 2019-12-23 CN CN201922337646.XU patent/CN210896935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002525A (en) * | 2020-09-01 | 2020-11-27 | 山东九合电气有限公司 | Fireproof transformer with clamping device |
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