CN110164650B - Open type current transformer convenient to install - Google Patents
Open type current transformer convenient to install Download PDFInfo
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- CN110164650B CN110164650B CN201910536487.8A CN201910536487A CN110164650B CN 110164650 B CN110164650 B CN 110164650B CN 201910536487 A CN201910536487 A CN 201910536487A CN 110164650 B CN110164650 B CN 110164650B
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- 238000009434 installation Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
Abstract
The invention provides an open type current transformer convenient to install, which belongs to the technical field of transformers and comprises a transformer body and an elastic belt, wherein the transformer body is arranged in a split mode, a through hole for a lead to pass through is reserved between the upper half part and the lower half part of the transformer body, and a fixing piece for opening or closing the through hole is arranged between the upper half part and the lower half part; the elastic band sets up in one side of lower half, and the elastic band walks around the bottom of lower half and can dismantle with the opposite side of lower half and be connected, and the elastic band can be dismantled the junction with the lower half and be provided with detachable portion. According to the open type current transformer convenient to install, the elastic belt is fixed with the other side of the transformer body after bypassing the bottom end of the transformer body from one side of the transformer body, and the installation plate is located between the elastic belt and the transformer body, so that the transformer body is fixed on the installation plate, the installation between the transformer and the installation plate is convenient, and the time for installing the transformer on the installation plate is reduced.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to an open type current transformer convenient to install.
Background
The open type current transformer is mainly applied to a power distribution system transformation project, a bus does not need to be disassembled once, live operation can be carried out, and normal electricity utilization of customers is not influenced.
When the open type current transformer is installed, a threaded hole needs to be formed in an installation plate, and the open type current transformer is installed on the installation plate through a bolt; however, when the threaded hole is formed in the mounting plate, high-altitude operation is required, operation is inconvenient, and the mounting plate is damaged due to the fact that the threaded hole is formed, so that the open-type mutual inductor is inconvenient to mount.
Disclosure of Invention
The invention aims to provide an open type current transformer convenient to mount, and aims to solve the technical problem that the split type current transformer is convenient to operate aloft.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided an open type current transformer convenient to install, comprising:
the transformer comprises a transformer body, a plurality of through holes and a plurality of fixing pieces, wherein the transformer body is arranged in a split mode, a through hole for a lead to pass through is reserved between the upper half part and the lower half part of the transformer body, and the fixing pieces are used for opening or closing the through holes;
the elastic band, set up in one side of lower half, the elastic band bypass the bottom of lower half and with the opposite side of lower half can be dismantled and be connected, the elastic band with the detachable junction of lower half is provided with detachable portion.
Furthermore, an accommodating cavity is formed in the lower half part, a connecting shaft is rotatably connected in the accommodating cavity, the elastic belt is wound on the connecting shaft, and a torsion spring is arranged at the end part of the connecting shaft; one end of the elastic belt is fixedly connected with the connecting shaft, the other end of the elastic belt is located outside the lower half portion, and a belt outlet groove for the elastic belt to penetrate out is formed in the side wall of the lower half portion.
Further, the detachable portion includes:
the T-shaped block is fixedly connected to the side wall of the lower half part, and a connecting groove is formed between the T-shaped block and the side wall of the lower half part;
the splicing block is fixedly connected to the side wall of the elastic belt, a T-shaped groove for the T-shaped block to be spliced is formed in the splicing block, and the T-shaped block is located inside the splicing block after being spliced with the T-shaped groove.
Further, the one end rigid coupling that the elastic webbing was equipped with the grafting piece has the clamp plate, the both sides of elastic webbing are extended to the clamp plate, the grafting piece is located on the clamp plate, the equal rigid coupling in both ends of lower half has the connecting block, sliding connection has the briquetting with clamp plate butt or separation on the connecting block, it is connected with lifting screw to rotate on the connecting block, lifting screw with briquetting threaded connection.
Furthermore, a gear is fixedly connected to the position, close to the connecting block, of the lifting screw, a fixing bolt is matched with the connecting block in a threaded mode, and the fixing bolt is located between every two adjacent teeth of the gear.
Furthermore, a pressing groove inserted with the pressing plate is formed in the pressing block.
Furthermore, an elastic sheet abutted against the side wall of the pressing plate is arranged in the pressing groove.
Furthermore, a fixing hole is formed in the bottom end of the connecting block, a sucker is fixedly connected to the bottom end of the fixing hole, and the top end of the sucker is communicated with the fixing hole; the fixed hole is internally connected with a sealing block in a sealing and sliding manner, and a moving member for driving the sealing block to slide is arranged in the fixed hole.
Further, the moving member includes:
the supporting block is fixedly connected to the inner wall of the fixing hole;
the connecting rod is in threaded fit with the supporting block and penetrates through the supporting block, the thread turning direction on the connecting rod is opposite to that of the lifting screw rod, and the bottom end of the connecting rod is fixedly connected with the middle of the top end of the sealing block;
the prism, fixed connection in the middle part on connecting rod top, prismatic one end of keeping away from the connecting rod is located in the lifting screw, set up the confession in the lifting screw the prismatic drive groove of placing.
Further, a placing groove is formed in one side, provided with a T-shaped block, of the lower half portion, the T-shaped block is located in the placing groove, and after the inserting block is connected with the T-shaped block in an inserting mode, the inserting block is located in the placing groove.
Further, the bottom end of the T-shaped block is abutted against the bottom end of the placing groove.
The invention provides an open type current transformer convenient to install, which has the beneficial effects that: compared with the prior art, the open type current transformer convenient to install is fixed with the other side of the transformer body after the elastic band bypasses the bottom end of the transformer body from one side of the transformer body, and the mounting plate is located between the elastic band and the transformer body, so that the transformer body is fixed on the mounting plate, a threaded hole does not need to be formed in the mounting plate, installation between the transformer and the mounting plate is facilitated, and time for installing the transformer on the mounting plate is shortened.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an open type current transformer convenient to install according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural diagram of an easy-to-install open type current transformer embodying an elastic band in a transformer body according to an embodiment of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
FIG. 5 is an enlarged view of portion C of FIG. 3;
fig. 6 is a schematic diagram of an easy-to-install open-type current transformer embodying a plug block according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a pressing plate of an open type current transformer for easy installation according to an embodiment of the present invention;
FIG. 8 is an enlarged view of portion D of FIG. 7;
FIG. 9 is an enlarged view of section E of FIG. 7;
fig. 10 is an enlarged schematic view of portion F of fig. 7.
In the figure: 1. a transformer body; 11. an upper half part; 12. a lower half; 121. an accommodating chamber; 122. a connecting shaft; 123. a belt outlet groove is formed; 124. connecting blocks; 125. a fixing hole; 126. a placement groove; 13. a through hole; 14. a fixing member; 141. a fixed block; 142. fixing the rod; 143. inserting holes; 144. a baffle ring; 145. a limiting block; 146. a sliding groove; 147. a spring; 148. a limiting groove; 149. a reset groove; 15. a reset lever; 151. disassembling the groove; 152. connecting ropes; 2. an elastic band; 21. pressing a plate; 3. a detachable portion; 31. a T-shaped block; 32. an insertion block; 321. a T-shaped slot; 33. connecting grooves; 4. mounting a plate; 5. briquetting; 51. a lifting screw; 52. a gear; 53. fixing the bolt; 54. pressing a groove; 55. an elastic sheet; 56. a driving groove; 6. a suction cup; 61. a sealing block; 7. a moving member; 71. a support block; 72. a connecting rod; 73. a prism.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, 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, a description will now be given of an open type current transformer according to the present invention, which is easy to install. An open type current transformer convenient to install comprises a transformer body 1 and an elastic belt 2, wherein the transformer body 1 is arranged in a split mode, a through hole 13 for a lead to pass through is reserved between an upper half portion 11 and a lower half portion 12 of the transformer body 1, and a fixing piece 14 for opening or closing the through hole 13 is arranged between the upper half portion 11 and the lower half portion 12; the elastic belt 2 is arranged on one side of the lower half part 12, the elastic belt 2 bypasses the bottom end of the lower half part 12 and is detachably connected with the other side of the lower half part 12, and a detachable part 3 is arranged at the detachable connection position of the elastic belt 2 and the lower half part 12.
Compared with the prior art, the open type current transformer convenient to install is convenient to install, the elastic belt 2 is fixed with the other side of the transformer body 1 after bypassing the bottom end of the transformer body 1 from one side of the transformer body 1, the installation plate 4 is located between the elastic belt 2 and the transformer body 1, the transformer body 1 is fixed on the installation plate 4, installation between the transformer and the installation plate 4 is facilitated, and time for installing the transformer on the installation plate 4 is shortened.
When installing, place mutual-inductor body 1 on mounting panel 4, pulling elastic webbing 2 for elastic webbing 2 bypasses 4 after-fixing at mutual-inductor body 1's opposite side, fixes mutual-inductor body 1 and mounting panel 4 under the effect of elastic webbing 2 elasticity, can reduce the time that sets up the screw hole on mounting panel 4, thereby the current transformer's of being convenient for installation.
As shown in fig. 7 and 10, the lower half 12 is hinged to the upper half 11, and the hinge is located at one side of the through hole 13; the fixing member 14 is located at the other side of the through hole 13, the fixing member 14 includes a fixing block 141 and a fixing rod 142, and the fixing block 141 is provided with an insertion hole 143 for inserting the fixing rod 142; the fixing block 141 includes an upper connecting portion fixedly connected to the upper half 11 and a lower connecting portion fixedly connected to the lower half 12.
A baffle ring 144 is fixedly connected to the outer side wall of the fixing rod 142 close to the top end, the diameter of the baffle ring 144 is larger than that of the insertion hole 143, and the baffle ring 144 is abutted against the top end of the upper connecting part; a limiting block 145 is arranged on the outer side wall of the fixed rod 142 close to the bottom end, a sliding groove 146 is formed in the fixed rod 142 along the radial direction, the limiting block 145 is in sliding connection with the sliding groove 146, a spring 147 is arranged between the limiting block 145 and the sliding groove 146, one end of the spring 147 is fixedly connected with the limiting block 145, and the other end of the spring 147 is fixedly connected with the sliding groove 146; a limiting groove 148 for the limiting block 145 to be inserted is formed in the inserting hole 143 of the lower connecting part.
The top end of the limiting block 145 is provided with a reset groove 149, the bottom end of the reset groove 149 is an inclined surface, and the lower end of the reset groove 149 faces the limiting groove 148; the fixing rod 142 is internally connected with a resetting rod 15 in a sliding manner along the axis of the fixing rod 142, one end of the resetting rod 15 is positioned in the limiting groove 148, the other end of the resetting rod 15 extends out of the fixing rod 142, and a detaching groove 151 for the resetting rod 15 to slide is formed in the fixing rod 142; the top end of the restoring rod 15 is connected with the top end of the fixing rod 142 through a connecting rope 152.
When the wire connector is opened, after the reset rod 15 is pressed downwards, the reset rod 15 moves in the reset groove 149, so that the limit block 145 is driven to slide towards the sliding groove 146, the limit block 145 is separated from the limit groove 148, the fixed rod 142 is taken out of the inserting hole 143, the upper half part 11 rotates around the hinged part, the through hole 13 is opened, and a wire is conveniently placed in the through hole 13 between the upper half part 11 and the lower half part 12; when the upper half part 11 is closed, the hinge joint is rotated to close the through hole 13, the fixing rod 142 is inserted into the insertion hole 143, the baffle ring 144 on the fixing rod 142 is abutted against the top end of the upper connecting part, and the limiting block 145 on the fixing rod 142 is inserted into the limiting groove 148 of the lower connecting part, so that the upper half part 11 is fixed on the lower half part 12, and the fixing of the upper half part 11 and the lower half part 12 is facilitated.
As a specific embodiment of the open type current transformer convenient to mount according to the present invention, please refer to fig. 3 and 5, an accommodating cavity 121 is formed inside the lower half part 12, a connecting shaft 122 is rotatably connected in the accommodating cavity 121, the elastic band 2 is wound on the connecting shaft 122, and a torsion spring is disposed at an end of the connecting shaft 122; one end of the elastic belt 2 is fixedly connected with the connecting shaft 122, the other end of the elastic belt is located outside the lower half part 12, and a belt outlet groove 123 for the elastic belt 2 to penetrate out is formed in the side wall of the lower half part 12.
The side wall of lower half 12 has been seted up out grooved 123 to can be convenient for elastic webbing 2 from holding chamber 121 internal motion to the outside of lower half 12, the torsional spring that sets up on the connecting axle 122 can provide the moment of torsion to connecting axle 122, thereby makes elastic webbing 2 have the trend of winding on connecting axle 122, thereby provides pulling force to elastic webbing 2, thereby is convenient for install current transformer on mounting panel 4.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 and 6, the detachable portion 3 includes a T-shaped block 31 and an inserting block 32, the T-shaped block 31 is fixed on the side wall of the lower half portion 12, and a connecting groove 33 is formed between the T-shaped block 31 and the side wall of the lower half portion 12; the inserting block 32 is fixedly connected to the side wall of the elastic belt 2, a T-shaped groove 321 for inserting the T-shaped block 31 is formed in the inserting block 32, and after the T-shaped block 31 is inserted into the T-shaped groove 321, the T-shaped block 31 is positioned inside the inserting block 32; the T-shaped block 31 and the insertion block 32 are plural.
The smaller end of the section of the T-shaped block 31 is fixedly connected with the side wall of the lower half part 12, so that a connecting groove 33 is formed between the larger end of the section of the T-shaped block 31 and the lower half part 12, and after the T-shaped block 31 is plugged with the plugging block 32, the connecting groove 33 can provide transverse limiting for the plugging block 32, and the situation that the plugging block 32 is separated from the T-shaped block 31 is reduced.
The depth of the T-shaped groove 321 is smaller than that of the insertion block 32, so that after the T-shaped block 31 is inserted into the insertion block 32, the T-shaped block 31 is located inside the insertion block 32, the insertion block 32 is connected with the T-shaped block 31 under the elastic force of the elastic band 2, the situation of separation between the insertion block 32 and the T-shaped block 31 is further reduced, the fixation between the elastic band 2 and the lower half part 12 is facilitated, the current transformer is convenient to be installed on the installation plate 4, and the installation time is reduced.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 6 and 7, one end of the elastic band 2, which is provided with the insertion block 32, is fixedly connected with the pressing plate 21, the pressing plate 21 extends out of two sides of the elastic band 2, the insertion block 32 is located on the pressing plate 21, two ends of the lower half portion 12 are fixedly connected with the connecting block 124, the pressing block 5 which is abutted to or separated from the pressing plate 21 is slidably connected on the connecting block 124, the lifting screw 51 is rotatably connected on the connecting block 124, and the lifting screw 51 is in threaded connection with the pressing block 5; both sides of briquetting 5 along the width direction of lower half 12 all buckle to connecting block 124 and form the lateral wall, and the lateral wall of briquetting 5 and the lateral wall laminating of connecting block 124.
After rotating lifting screw 51, lifting screw 51 drives 5 vertical slides of briquetting, thereby make the lateral wall and the clamp plate 21 butt of briquetting 5, thereby there is vertical decurrent pressure to clamp plate 21, thereby there is vertical decurrent pressure to plug-in block 32, thereby further strengthen being connected between plug-in block 32 and the T-shaped piece 31, thereby further reduce the condition that plug-in block 32 and T-shaped piece 31 break away from, thereby be convenient for strengthen being connected of elastic webbing 2 and lower half 12, thereby be convenient for fix current transformer on mounting panel 4, thereby be convenient for to current transformer's installation.
Referring to fig. 2, a gear 52 is fixedly connected to the lifting screw 51 near the connecting block 124, a fixing bolt 53 is screwed on the connecting block 124, and the fixing bolt 53 is located between two adjacent teeth of the gear 52.
After the position of the press block 5 is adjusted by the lifting screw 51, in order to prevent the influence of the reverse rotation of the lifting screw 51 on the press block 5, a fixing bolt 53 is arranged to fix the adjusted lifting screw 51; fixing bolt 53 and connecting block 124 screw-thread fit, thereby fix fixing bolt 53 and connecting block 124, set up fixing bolt 53 between two adjacent teeth, thereby reduce the rotation of gear 52, thereby reduce reversing of lifting screw 51, thereby fix briquetting 5 in the position after the adjustment, thereby be convenient for strengthen the connection between inserted block 32 and the T-shaped piece 31, thereby strengthen being connected between elastic webbing 2 and lower half 12, thereby be convenient for fix current transformer on mounting panel 4, thereby be convenient for current transformer's installation.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 9, a pressing groove 54 inserted into the pressing plate 21 is formed on the pressing block 5; the indent 54 on the briquetting 5 is located the bottom of briquetting 5 lateral wall, and clamp plate 21 is located can be strengthened being connected between clamp plate 21 and the briquetting 5 in the indent 54 of briquetting 5 to reduce the removal of clamp plate 21, thereby be convenient for strengthen being connected between inserted block 32 and the T-shaped piece 31, thereby strengthen being connected between elastic webbing 2 and lower half 12, thereby be convenient for fix current transformer on mounting panel 4, thereby be convenient for to current transformer's installation.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 9, an elastic piece 55 abutting against the side wall of the pressing plate 21 is disposed in the pressing groove 54; the flexure strip 55 in the indent 54 and the lateral wall butt of clamp plate 21 to further strengthen being connected between clamp plate 21 and the briquetting 5, thereby be convenient for strengthen being connected between grafting piece 32 and the T-shaped piece 31, thereby strengthen being connected between elastic webbing 2 and the lower half 12, thereby be convenient for fix current transformer on mounting panel 4, thereby be convenient for to current transformer's installation.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 7 and 8, a fixing hole 125 is formed at a bottom end of the connecting block 124, a suction cup 6 is fixedly connected to a bottom end of the fixing hole 125, and a top end of the suction cup 6 is communicated with the fixing hole 125.
The sealing block 61 is connected in the fixing hole 125 in a sealing and sliding manner, and the moving part 7 which drives the sealing block 61 to slide is arranged in the fixing hole 125; the sealing block 61 slides to the top of the fixing hole 125, so that the pressure between the sealing block 61 and the suction cup 6 can be changed, the suction cup 6 is fixed on the mounting plate 4, the current transformer is fixed on the mounting plate 4, the connection between the current transformer and the mounting plate 4 is further enhanced, and the current transformer is conveniently mounted on the mounting plate 4.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 7 and 8, the moving member 7 includes a supporting block 71, a connecting rod 72 and a prism 73; the supporting block 71 is fixedly connected to the inner wall of the fixing hole 125, the connecting rod 72 is in threaded fit with the supporting block 71 and penetrates through the supporting block 71, and the bottom end of the connecting rod 72 is fixedly connected with the middle part of the top end of the sealing block 61; the prism 73 is fixedly connected to the middle of the top end of the connecting rod 72, one end of the prism 73, which is far away from the connecting rod 72, is positioned in the lifting screw 51, and a driving groove 56 for placing the prism 73 is formed in the lifting screw 51; the thread turning direction on the connecting rod 72 is opposite to that of the lifting screw 51; the side wall of the fixing hole 125 is opened with a vent hole communicated with the outside, and the vent hole is located near the bottom end of the supporting block 71.
The prismatic 73 on connecting rod 72 top cooperates with the drive groove 56 in the lifting screw 51, and when lifting screw 51 rotated and driven the vertical downstream of briquetting 5, lifting screw 51 drove prismatic 73 and rotates to drive connecting rod 72 and rotate, thereby driven the vertical rising of sealed piece 61 of connecting rod 72 bottom, thereby made the sucking disc 6 actuation of fixed orifices 125 bottom on mounting panel 4, thereby be convenient for fix current transformer on mounting panel 4.
The prism 73 vertically slides in the driving groove 56 while the lifting screw 51 drives the prism 73 to rotate; by rotating the lifting screw 51, the pressing block 5 can be driven to vertically move downwards on the one hand, so that the pressing plate 21 is pressed, the connection between the plug-in block 32 and the T-shaped block 31 is enhanced, and the connection between the elastic belt 2 and the lower half part 12 is enhanced.
On the other hand can drive prismatic 73 pivoted in, vertical upwards slides in driving groove 56 to drive the vertical upwards slip of sealed piece 61, thereby be convenient for with sucking disc 6 actuation on mounting panel 4, thereby be convenient for fix current transformer's position, thereby further strengthen being connected between current transformer and the mounting panel 4, thereby be convenient for install current transformer on mounting panel 4.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3 and fig. 4, a placing groove 126 is opened on one side of the lower half 12 where the T-shaped block 31 is disposed, the T-shaped block 31 is located in the placing groove 126, and after the inserting block 32 is inserted into the T-shaped block 31, the inserting block 32 is located in the placing groove 126; be provided with the space that supplies grafting piece 32 to place in the standing groove 126, set up T-shaped piece 31 in the standing groove 126 of lower half 12, the bottom of T-shaped piece 31 and the bottom butt of standing groove 126 to can strengthen being connected between T-shaped piece 31 and the lower half 12, thereby can reduce and drop between T-shaped piece 31 and the lower half 12, thereby further strengthen being connected between T-shaped piece 31 and the grafting piece 32, thereby be convenient for strengthen being connected between elastic webbing 2 and the lower half 12, thereby be convenient for install current transformer on mounting panel 4.
When installing, place mutual-inductor body 1 on mounting panel 4, pulling elastic webbing 2, make elastic webbing 2 unreel from connecting axle 122, thereby from the play tape slot 123 of lower half 12 in roll-off, and make elastic webbing 2 walk around the opposite side that lies in mutual-inductor body 1 behind the mounting panel 4, peg graft piece 32 on the elastic webbing 2 and the T-shaped piece 31 of lower half 12 lateral wall and peg graft, elastic webbing 2 makes grafting piece 32 and T-shaped piece 31 fixed together under the effect of the moment of torsion of self elasticity and torsional spring, thereby be convenient for fix current transformer on mounting panel 4.
Rotate lifting screw 51, from the direction motion that drives briquetting 5 to mounting panel 4, thereby make clamp plate 21 be located the indent 54 of briquetting 5, flexure strip 55 and the clamp plate 21 butt in the indent 54, thereby be convenient for fix clamp plate 21, thereby be convenient for be connected of briquetting 5 and clamp plate 21, thereby further strengthen being connected between the plug-in block 32 and the T-shaped piece on the clamp plate 21, thereby be convenient for be connected of the opposite side of elastic webbing 2 and lower half 12, thereby be convenient for place current transformer on mounting panel 4.
When the lifting screw 51 is rotated, the lifting screw 51 drives the prism 73 to rotate, the prism 73 drives the connecting rod 72 to rotate, so that the connecting rod 72 moves upwards, the pressure between the suction cup 6 and the sealing block 61 is reduced, the suction cup 6 and the mounting plate 4 are convenient to attract each other, and the current transformer is convenient to be fixed on the mounting plate 4.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An open type current transformer convenient to installation, comprising:
the transformer comprises a transformer body, a plurality of through holes and a plurality of fixing pieces, wherein the transformer body is arranged in a split mode, a through hole for a lead to pass through is reserved between the upper half part and the lower half part of the transformer body, and the fixing pieces are used for opening or closing the through holes;
the elastic belt is arranged on one side of the lower half part, the elastic belt bypasses the bottom end of the lower half part and is detachably connected with the other side of the lower half part, and a detachable part is arranged at the detachable connection position of the elastic belt and the lower half part; an accommodating cavity is formed in the lower half part, a connecting shaft is rotatably connected in the accommodating cavity, the elastic belt is wound on the connecting shaft, and a torsion spring is arranged at the end part of the connecting shaft; one end of the elastic belt is fixedly connected with the connecting shaft, the other end of the elastic belt is positioned outside the lower half part, and a belt outlet groove for the elastic belt to penetrate out is formed in the side wall of the lower half part;
the detachable portion includes:
the T-shaped block is fixedly connected to the side wall of the lower half part, and a connecting groove is formed between the T-shaped block and the side wall of the lower half part;
the inserting block is fixedly connected to the side wall of the elastic belt, a T-shaped groove for inserting the T-shaped block is formed in the inserting block, and the T-shaped block is located inside the inserting block after the T-shaped block is inserted into the T-shaped groove;
the elastic belt is fixedly connected with a pressing plate at one end provided with an inserting block, the pressing plate extends out of two sides of the elastic belt, the inserting block is positioned on the pressing plate, connecting blocks are fixedly connected at two ends of the lower half part in the length direction, a pressing block which is abutted to or separated from the pressing plate is connected onto the connecting blocks in a sliding mode, a lifting screw rod is connected onto the connecting blocks in a rotating mode, and the lifting screw rod is in threaded connection with the pressing block;
the bottom end of the connecting block is provided with a fixing hole, the bottom end of the fixing hole is fixedly connected with a sucker, and the top end of the sucker is communicated with the fixing hole; the fixed hole is internally connected with a sealing block in a sealing and sliding manner, and a moving member for driving the sealing block to slide is arranged in the fixed hole.
2. The open type current transformer convenient to install as claimed in claim 1, wherein a gear is fixedly connected to the lifting screw rod near the connecting block, and a fixing bolt is screwed on the connecting block and positioned between two adjacent teeth of the gear.
3. The open type current transformer convenient to mount as claimed in claim 1, wherein the pressing block is provided with a pressing groove inserted with the pressing plate.
4. The open type current transformer convenient to install as claimed in claim 3, wherein an elastic piece abutting against the side wall of the pressing plate is arranged in the pressing groove.
5. The open type current transformer for easy installation according to claim 1, wherein said moving member comprises:
the supporting block is fixedly connected to the inner wall of the fixing hole;
the connecting rod is in threaded fit with the supporting block and penetrates through the supporting block, the thread turning direction on the connecting rod is opposite to that of the lifting screw rod, and the bottom end of the connecting rod is fixedly connected with the middle of the top end of the sealing block;
the prism, fixed connection in the middle part on connecting rod top, prismatic one end of keeping away from the connecting rod is located in the lifting screw, set up the confession in the lifting screw the prismatic drive groove of placing.
6. The open type current transformer convenient to install as claimed in claim 1, wherein a placing groove is formed in one side of the lower half portion provided with a T-shaped block, the T-shaped block is located in the placing groove, and after the inserting block is inserted into the T-shaped block, the inserting block is located in the placing groove.
7. The open type current transformer for easy installation as claimed in claim 6, wherein the bottom ends of said T-shaped blocks abut against the bottom end of the placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536487.8A CN110164650B (en) | 2019-06-20 | 2019-06-20 | Open type current transformer convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536487.8A CN110164650B (en) | 2019-06-20 | 2019-06-20 | Open type current transformer convenient to install |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110164650A CN110164650A (en) | 2019-08-23 |
| CN110164650B true CN110164650B (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910536487.8A Active CN110164650B (en) | 2019-06-20 | 2019-06-20 | Open type current transformer convenient to install |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009016666A (en) * | 2007-07-06 | 2009-01-22 | Kitagawa Ind Co Ltd | Noise absorber |
| CN201229210Y (en) * | 2008-05-28 | 2009-04-29 | 金华电业局 | Wireless temperature acquisition machine for switch cubicle |
| US9229036B2 (en) * | 2012-01-03 | 2016-01-05 | Sentient Energy, Inc. | Energy harvest split core design elements for ease of installation, high performance, and long term reliability |
| US10079619B2 (en) * | 2013-11-26 | 2018-09-18 | Schneider Electric USA, Inc. | Wireless batteryless data processing unit |
| CN205845648U (en) * | 2016-07-21 | 2016-12-28 | 深圳市蓝创新能源科技有限公司 | A kind of inductance base |
| CN106725444A (en) * | 2017-02-13 | 2017-05-31 | 湖北心源科技有限公司 | A kind of mobile electrocardiograph with hidden telescopic bandage |
| CN207397930U (en) * | 2017-10-13 | 2018-05-22 | 张一飞 | A kind of novel open-close type current transformer |
| CN208368344U (en) * | 2018-06-08 | 2019-01-11 | 王一民 | ± 500kV DC current transformer |
| CN108958512B (en) * | 2018-07-02 | 2021-04-30 | 湖南城市学院 | Portable handwriting board for education software |
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