CN117031097A - Terminal strip wiring device of three-phase four-wire ammeter - Google Patents
Terminal strip wiring device of three-phase four-wire ammeter Download PDFInfo
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- CN117031097A CN117031097A CN202311047218.8A CN202311047218A CN117031097A CN 117031097 A CN117031097 A CN 117031097A CN 202311047218 A CN202311047218 A CN 202311047218A CN 117031097 A CN117031097 A CN 117031097A
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- 238000005520 cutting process Methods 0.000 claims abstract description 53
- 238000003825 pressing Methods 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009422 external insulation Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000006748 scratching Methods 0.000 claims 2
- 230000002393 scratching effect Effects 0.000 claims 2
- 230000009471 action Effects 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
The invention discloses a terminal strip wiring device of a three-phase four-wire ammeter, which comprises an ammeter body, a terminal groove, a wire inserting hole, a wire and a wire, wherein the terminal groove is arranged at the upper end of the ammeter body and used for installing a terminal, the wire inserting hole is arranged at one end of the ammeter body and positioned below the terminal groove, the wire is positioned at one end of the wire inserting hole, and the terminal strip wiring device further comprises: the plug wire unit comprises a pretension assembly and a peeling assembly, wherein the pretension assembly is used for clamping multiple groups of electric wires synchronously and pushing the electric wires towards the direction of a plug wire hole, and the peeling assembly is arranged between the pretension assembly and the ammeter body and used for cutting off an insulating layer at a wire connection position. When the electric wires move to the knife edge, the knife edge synchronously cuts the insulating layers on the plurality of groups of electric wires to a proper length, then the first driving motor is controlled to stop rotating, the slitting knife is loosened, and the slitting knife is separated from and reset under the action of the reset spring, so that the synchronous transverse skin cutting of the plurality of groups of electric wires can be realized at one time, and the working efficiency is high.
Description
Technical Field
The invention relates to the technical field of terminal wiring, in particular to a terminal strip wiring device of a three-phase four-wire ammeter.
Background
The three-phase four-wire ammeter is generally connected with the ammeter by four wires, and the ammeter is respectively provided with an A inlet, an A outlet, a B inlet, a B outlet, a C inlet, a C outlet and a zero wire from left to right, wherein each inlet and outlet wire is connected with a terminal at the wiring position of the ammeter, so that in the wiring process of an electrician, the inlet and outlet wires and the zero wire are connected with 7 wires in total;
in the prior art, when wiring is carried out on a terminal of a three-phase four-wire ammeter, an electrician usually removes a part of an insulating layer of an electric wire at one end corresponding to the terminal, so that metal in the insulating layer is contacted with the terminal to carry out wire guiding, and the existing wiring needs to be carried out one by one to remove the insulating layer and then is carried out on the wiring, so that the working efficiency is low;
in addition, the existing mode of removing the insulating layer is usually that an electrician cuts the insulating layer by using a vice and strips off the insulating layer from the outside of conductive metal, so that the length of exposed metal after each wire is cut off can not be ensured to be consistent, meanwhile, as the vice directly clamps off the outer insulating layer, the metal in the wire is easy to clamp down, and the electric wire at the clamped down position has larger resistance and certain potential safety hazard in the subsequent use.
The foregoing is provided merely to facilitate an understanding of the principles of the invention and is not intended to constitute an admission that the foregoing is of the closest prior art.
Disclosure of Invention
The invention aims to provide a terminal strip wiring device of a three-phase four-wire ammeter, which is used for solving the problems that the existing three-phase four-wire ammeter provided in the background art needs to be connected one by one in the wiring process, the working efficiency is low, and in the process of removing an insulating layer outside an electric wire in the wiring process, the metal wrapped by the insulating layer is easy to be clamped and flattened.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a three-phase four-wire ammeter's terminal row termination, includes the ammeter body, locates the terminal groove that ammeter body upper end is used for installing the terminal, locates ammeter body one end just is located the plug wire hole of terminal groove below, and be located the electric wire of plug wire hole one end still includes:
the wire plugging unit comprises a pre-tightening assembly and a peeling assembly, wherein the pre-tightening assembly is used for synchronously clamping a plurality of groups of wires and pushing the wires towards the direction of a wire plugging hole, and the peeling assembly is arranged between the pre-tightening assembly and the ammeter body and used for cutting off an insulating layer at a wire connection position;
the installation unit comprises a wiring frame which is arranged at one end of the wiring hole and used for installing the wiring unit at one end of the ammeter body, and an installation groove used for installing the peeling assembly is formed in the upper end of the wiring frame.
Further, the pretension assembly includes:
the mounting block is connected to one end of the wiring frame;
the rotating shaft is arranged above and below the electric wire, is in meshed transmission through a gear set, is fixedly sleeved with a V-shaped wheel at the outer side of the rotating shaft, and is used for being in friction contact with an insulating layer outside the electric wire and driving the electric wire to move forwards;
the first driving motor is arranged on one side of the wiring frame and used for driving the rotating shaft to rotate;
the bracket is connected to one end of the wiring frame, and the side part of the bracket is sleeved outside the electric wire and is used for guiding the movement of the electric wire;
the pushing assembly is arranged on one side of the bracket and is used for pushing a plurality of groups of electric wires to one side of the V-shaped wheel in a flush way at the initial stage;
and the clamping assembly is positioned at one side of the pushing assembly and is used for clamping the electric wire.
Further, the propulsion assembly includes:
the first guide sleeve is connected to one side of the bracket;
the telescopic shaft is inserted into the first guide sleeve in a sliding manner, and a first tightening spring for resetting the telescopic shaft is sleeved outside the telescopic shaft and positioned in the first guide sleeve;
the first limiting block is connected with one end of the telescopic shaft and is inserted into the first guide sleeve in a sliding mode.
Further, the clamping assembly includes:
the second guide sleeve is connected to one side of the telescopic shaft;
the top plate is inserted into the second guide sleeve in a sliding manner and used for clamping the electric wire;
the second jacking spring is sleeved outside the top plate and is positioned in the second guide sleeve;
and the second limiting block is fixedly sleeved outside the top plate and positioned in the second guide sleeve and used for adjusting the second ejection spring.
Further, the peeling assembly includes:
the scribing assembly is arranged on one side of the mounting groove and is used for cutting an insulating layer at the head of the electric wire when the pre-tightening assembly pushes the electric wire;
the annular cutting assembly is connected to the inner side of the mounting groove, is sleeved on the outer side of the electric wire in a sliding manner and is used for annular cutting of the insulation layer after the scribing assembly is scribed, and the annular cutting assembly is arranged right below the scribing assembly;
the driving assembly is arranged inside the wiring frame and positioned below the circular cutting assembly and is used for driving the circular cutting assembly to rotate so as to finish cutting off the external insulation layer of the electric wire.
Further, the scribing assembly comprises:
the mounting rod is connected to one side of the mounting groove;
the cutting knife is inserted into the mounting rod in a sliding manner, and a knife edge for cutting the electric wire is arranged on one side of the cutting knife in the feeding direction of the electric wire;
and the pressing plate is connected with the upper ends of the scribing cutters and is used for synchronously pressing down a plurality of groups of scribing cutters.
Furthermore, a guide groove is formed in the mounting rod;
a pressing sheet is fixedly sleeved outside the scribing cutter and inside the guide groove;
a reset spring is sleeved at the outer side of the scribing cutter and positioned at the lower end of the pressing sheet;
the length of the pressing piece moving up and down along the guide groove is equal to the thickness of the electric wire outer insulation layer.
Further, the ring cutting assembly includes:
the tool rest is connected to one side of the mounting groove;
the driving gear is rotationally inserted into the tool rest, and a gear groove is formed in the outer side of the driving gear and positioned in the tool rest;
the lug is connected to one side of the driving gear, an annular groove for guiding the lug to move is arranged outside the lug and positioned outside the tool rest, and a lifting groove is formed in the lug in a penetrating manner from top to bottom;
the annular cutter is inserted into the lifting groove in a sliding manner;
the gasket is fixedly sleeved on the outer side of the annular cutter;
and the thrust spring is sleeved on the outer side of the annular cutter and positioned between the gasket and the convex block and is used for propping up the annular cutter.
Further, a ring cutting groove used for guiding the movement of the ring cutting knife is arranged at the outer side of the ring cutting knife and positioned in the knife rest, and a concave groove used for retracting the ring cutting knife to enable the ring cutting knife to leave the electric wire is formed at the top of the ring cutting groove;
the upper end of the annular cutter is rotatably inserted with a ball which is used for rolling contact with the concave groove and the annular cutting groove.
Further, the driving assembly includes:
the rack is arranged at the bottom of the mounting groove in a sliding manner, and the upper end of the rack is meshed with the lower end of the driving gear;
the limiting frames are connected to the bottoms of the mounting grooves and positioned on two sides of the racks and used for guiding movement of the racks;
the driving wheel is meshed with the upper end of the rack, and one end of the driving wheel is connected with a second driving motor for driving the driving wheel to rotate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a plurality of groups of wires are sequentially inserted along one side of the bracket, so that one end of each wire is propped between the upper group of V-shaped wheels and the lower group of V-shaped wheels, under the friction effect between the wires and the V-shaped wheels, the wires are not inserted into the V-shaped wheels, the telescopic shaft is pulled along the first guide sleeve, the telescopic shaft gradually compresses the first propping spring through the first limiting block, then the top plate is released, the top plate drives the top plate to clamp the upper ends and the lower ends of the wires under the elastic effect of the second propping spring, and at the moment, under the elastic effect of the first propping spring on the telescopic shaft through the first limiting block, the telescopic shaft is propped against the opening of the upper group of V-shaped wheels and the lower group of V-shaped wheels through the second guide sleeve, so that the effect that the plurality of groups of wires can keep the wiring ends flush before peeling each time is achieved.
2. According to the invention, when the wires move to the knife edge, the knife edge synchronously cuts the insulating layers on the plurality of groups of wires to a proper length, then the first driving motor is controlled to stop rotating, the slitting knife is released, and the knife edge is separated and reset under the action of the reset spring, so that the synchronous transverse peeling of the plurality of groups of wires can be realized at one time, and the working efficiency is high.
3. According to the invention, in the rotating process of the movable ring cutters driven by the convex blocks, the balls are driven by the movable ring cutters to roll from the edges of the concave grooves to the edges of the movable ring cutters, the movable ring cutters are driven by the balls to move along the lifting grooves, so that the thrust spring is compressed, the movable ring cutters are switched from the state of being separated from the insulating layer to the state of being cut into the insulating layer, the tail ends of the insulating layer which are transversely cut off originally are cut off by the movable ring cutters, after the movable ring cutters are cut into a circle in a circular manner, the balls roll into the concave grooves again, and in the whole peeling process, the conductive metal in the insulating layer is not extruded all the time, so that the effect that the conductive metal cannot be damaged in the peeling process is achieved.
4. According to the invention, when the butt-joint wire frame is installed, the positioning blocks are inserted into the terminal grooves, so that the wire moving outlets in the wire frame are ensured to correspond to the wire inserting holes one by one, then the screw rods on two sides of the wire frame are respectively rotated, the screw rods are propped against the side parts of the ammeter body through the threaded fit of the clamping plates, and in the process, the positioning blocks inserted into the terminal grooves always position the wire frame, so that the wire moving outlets in the wire frame are effectively prevented from being misplaced with the wire inserting holes, and the accuracy of wire installation is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a pretensioning assembly according to the present invention;
FIG. 3 is a schematic view of the peeling unit of the present invention;
FIG. 4 is a diagram of the relationship between the pusher assembly and the clamping assembly of the present invention;
FIG. 5 is a diagram of the mating relationship of the V-wheel and wire of the present invention;
FIG. 6 is an enlarged view of the invention at A in FIG. 5;
FIG. 7 is a diagram illustrating the mating relationship of the scoring assembly and the circular cutting assembly according to the present invention;
FIG. 8 is an enlarged view of the invention at B in FIG. 7;
FIG. 9 is an enlarged view of the invention at C in FIG. 7;
fig. 10 is a view showing an operation state in which the loop cutter cuts off the insulation layer of the electric wire according to the present invention.
Reference numerals: 1. a plug wire unit; 2. an installation unit; 100. an ammeter body; 101. a terminal groove; 102. a plug wire hole; 103. an electric wire; 11. a pretension assembly; 111. a first driving motor; 112. a mounting block; 113. a rotating shaft; 114. a V-wheel; 115. a gear set; 116. a bracket; 117. a propulsion assembly; 1171. a first guide sleeve; 1172. a telescopic shaft; 1173. a first jack spring; 1174. a first limiting block; 118. a clamping assembly; 1181. a second guide sleeve; 1182. a second limiting block; 1183. a top plate; 1184. a second jack spring; 12. a peeling assembly; 121. a ripping assembly; 1211. a mounting rod; 12111. a guide groove; 12112. tabletting; 12113. a return spring; 1212. scribing; 1213. a pressing plate; 1214. a knife edge; 122. a circular cutting assembly; 1221. a tool holder; 12211. a gear groove; 12212. an annular groove; 12213. a concave groove; 122131, annular groove; 1222. a drive gear; 1223. a bump; 12231. a lifting groove; 1224. a ring cutter; 12241. a ball; 1225. a gasket; 1226. a thrust spring; 123. a drive assembly; 1231. a rack; 1232. a limiting frame; 1233. a driving wheel; 1234. a second driving motor; 21. a wiring rack; 211. a mounting groove; 22. a clamping plate; 23. a screw; 24. a support plate; 25. and (5) positioning blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-10, the present invention provides a technical solution:
the utility model provides a terminal strip termination of three-phase four-wire ammeter, includes ammeter body 100, locates ammeter body 100 upper end and is used for installing terminal's terminal groove 101, locates ammeter body 100 one end just is located plug wire hole 102 of terminal groove 101 below, and be located wire 103 of plug wire hole 102 one end still includes:
the wire plugging unit 1 comprises a pre-tightening assembly 11 for synchronously clamping a plurality of groups of wires 103 and pushing the wires towards the direction of a wire plugging hole 102, and a peeling assembly 12 which is arranged between the pre-tightening assembly 11 and the ammeter body 100 and is used for cutting off an insulating layer at the wire plugging position of the wires 103;
the installation unit 2 comprises a wiring frame 21 arranged at one end of the wire insertion hole 102 and used for installing the wire insertion unit 1 at one end of the ammeter body 100, and an installation groove 211 used for installing the peeling assembly 12 is formed in the upper end of the wiring frame 21.
When the electric meter is used, the wiring frame 21 is arranged on one side of the terminal groove 101 of the electric meter body 100, the outlets of the electric wires 103 in the wiring frame 21 are in one-to-one correspondence with the wire inserting holes 102, then the electric wires 103 are sequentially inserted into one side of the pre-tightening assembly 11, the ends of the electric wires 103 are automatically pre-tightened and aligned by the pre-tightening assembly 11, then the electric wires are pushed to the peeling assembly 12, the peeling assembly 12 firstly cuts the wire connecting positions of the electric wires 103 transversely, then circumferentially circular cuts the transversely cut ends, the circular cut electric wires 103 are pushed into the wire inserting holes 102 by the pre-tightening assembly 11, finally screws on the terminals are screwed, the wire connecting work is completed, the whole insulating layer cutting process is performed, conductive metal in the insulating layer is not extruded all the time, and therefore the effects that the electric wires 103 can be peeled synchronously and wired synchronously are achieved at one time, the insulating layer is not damaged in the peeling process.
As an improvement, as shown in fig. 1 to 3, the pretensioning assembly 11 includes:
a mounting block 112 connected to one end of the wiring frame 21;
the rotating shaft 113 is arranged above and below the electric wire 103 and is in meshed transmission through the gear set 115, and the outside of the rotating shaft is fixedly sleeved with a V-shaped wheel 114 which is used for being in frictional contact with an insulating layer outside the electric wire 103 and driving the electric wire 103 to move forwards;
a first driving motor 111 installed at one side of the wiring frame 21 for driving the rotation shaft 113 to rotate;
a bracket 116 connected to one end of the terminal frame 21, and having a side portion sleeved on the outside of the wire 103 for guiding movement of the wire 103;
a pushing component 117, which is arranged on one side of the bracket 116 and is used for initially pushing the plurality of groups of wires 103 flush against one side of the V-shaped wheel 114;
a clamping assembly 118 located on one side of the pushing assembly 117 for clamping the wire 103.
Further, as shown in fig. 3, the propulsion assembly 117 includes:
a first guide 1171 attached to one side of the holder 116;
the telescopic shaft 1172 is in sliding connection with the inside of the first guide sleeve 1171, and a first pushing spring 1173 for resetting the telescopic shaft 1172 is sleeved outside the telescopic shaft 1172 and positioned in the first guide sleeve 1171;
the first limiting block 1174 is connected to one end of the telescopic shaft 1172 and is inserted into the first guide sleeve 1171 in a sliding manner.
Still further, the clamping assembly 118 includes:
a second guide sleeve 1181 connected to one side of the telescopic shaft 1172;
a top plate 1183 slidably inserted into the second guide sleeve 1181 for clamping the electric wire 103;
the second tightening spring 1184 is sleeved outside the top plate 1183 and is positioned in the second guide sleeve 1181;
the second limiting block 1182 is fixedly sleeved on the outer side of the top plate 1183 and located inside the second guide sleeve 1181, and is used for adjusting the second tightening spring 1184.
As an improvement, as shown in fig. 6-10, the peeling assembly 12 includes:
a ripping assembly 121 disposed at one side of the mounting groove 211 for ripping the insulation layer of the head of the wire 103 when the pretensioning assembly 11 pushes the wire 103;
the annular cutting assembly 122 is connected to the inner side of the mounting groove 211, and is sleeved on the outer side of the electric wire 103 in a sliding manner, and is used for annular cutting the insulation layer after the scribing assembly 121 is scribed, and the annular cutting assembly 122 is arranged right below the scribing assembly 121;
the driving assembly 123 is disposed inside the jointing frame 21 and below the circular cutting assembly 122, and is used for driving the circular cutting assembly 122 to rotate so as to cut off the insulation layer outside the electric wire 103.
Further, the scribing assembly 121 includes:
a mounting rod 1211 connected to one side of the mounting groove 211;
a cutting blade 1212 slidably inserted into the mounting rod 1211, wherein a blade 1214 for cutting the wire 103 is provided at one side thereof in a feeding direction of the wire 103;
and the pressing plate 1213 is connected to the upper ends of the scriber blades 1212 and is used for synchronously pressing down a plurality of groups of scriber blades 1212.
Further, as shown in fig. 7, a guide groove 12111 is provided inside the mounting rod 1211;
a pressing sheet 12112 is fixedly sleeved outside the scribing bit 1212 and positioned in the guide groove 12111;
a reset spring 12113 is sleeved outside the scratch-off knife 1212 and positioned at the lower end of the pressing sheet 12112;
the length of the pressing piece 12112 moving up and down along the guide groove 12111 is equal to the thickness of the insulating layer outside the electric wire 103;
the lower part of the scratch-out knife 1212 is slidably inserted into the knife holder 1221.
Wherein, the ring cutting assembly 122 comprises:
a holder 1221 attached to the mounting groove 211;
a driving gear 1222 rotatably inserted in the tool holder 1221, wherein a gear groove 12211 is formed on the outer side of the driving gear 1222 and positioned in the tool holder 1221;
a protruding block 1223 connected to one side of the driving gear 1222, wherein an annular groove 12212 guiding the protruding block 1223 is provided outside the protruding block 1223 and outside the tool holder 1221, and a lifting groove 12231 is provided inside the protruding block 1223 from top to bottom;
a ring cutter 1224 slidably inserted into the elevating groove 12231;
preferably, the annular cutter 1224 is disposed adjacent to the ripping blade 1212, so as to ensure that the insulation layer after the lateral peeling at the blade 1214 is cut circumferentially by the annular cutter 1224 at the ripped end.
A gasket 1225 fixedly sleeved on the outer side of the ring cutter 1224;
a thrust spring 1226, sleeved on the outer side of the ring cutter 1224 and located between the pad 1225 and the boss 1223, is used to tightly press the ring cutter 1224.
In addition, as shown in fig. 10, a circular cutting groove 122131 for guiding the movement of the circular cutting knife 1224 is provided on the outer side of the circular cutting knife 1224 and inside the knife holder 1221, and a concave groove 12213 for retracting the circular cutting knife 1224 to separate the circular cutting knife 1224 from the electric wire 103 is provided on the top of the circular cutting groove 122131;
the upper end of the ring cutter 1224 is rotatably inserted with a ball 12241 for rolling contact with the concave groove 12213 and the ring groove 122131.
As an improvement, the driving assembly 123 includes:
a rack bar 1231 slidably installed at the bottom of the installation groove 211, and having an upper end engaged with a lower end of the driving gear 1222;
the limiting frames 1232 are connected to the bottom of the mounting groove 211 and positioned at two sides of the rack 1231, and are used for guiding the movement of the rack 1231;
a driving wheel 1233 engaged with the upper end of the rack 1231, and a second driving motor 1234 for driving the driving wheel 1233 to rotate is connected to one end thereof.
It should be noted that in the specific implementation process of the invention, the wiring frame 21 is installed on one side of the electric meter body 100 located at the terminal slot 101, so that the outlets of the wires 103 in the wiring frame 21 are in one-to-one correspondence with the wire insertion holes 102, the top plate 1183 is pulled along the second guide sleeve 1181, the top plate 1183 drives the second tightening spring 1184 to compress through the second limiting block 1182, multiple groups of wires 103 are sequentially inserted along one side of the bracket 116, one end of each wire 103 is propped between the upper and lower groups of V-shaped wheels 114 and under the friction effect with the V-shaped wheels 114, the wires 103 are not inserted into the V-shaped wheels 114, the telescopic shaft 1172 is pulled along the first guide sleeve 1171 to gradually compress the first tightening spring 1173 through the first limiting block 1174, then the top plate 1183 is released, the top plate 1183 drives the top plate 1183 to clamp the upper and lower ends of the wires 103 under the elastic effect of the second tightening spring 1184, at this time, under the elastic effect of the first tightening spring 1172 on the telescopic shaft 1172, the wire 103 is ejected between the upper and lower groups of V-shaped wheels 1172, the length of each group of wires 103 can be prevented from being peeled off by the second guide sleeve 1171, and the insulation effect of the upper and lower groups of wires 103 can not be kept at the same time when the upper and lower layers of the wire layers are not parallel;
then, as shown in fig. 2-4, the first driving motor 111 is started, the first driving motor 111 drives the V-shaped wheels 114 to rotate through the rotating shafts 113, under the meshing action of the gear sets 115, the upper rotating shafts 113 and the lower rotating shafts 113 drive the V-shaped wheels 114 to synchronously rotate, the upper V-shaped wheels 114 drive the electric wires 103 to move along the wiring frame 21 through friction force between the upper V-shaped wheels 114 and the electric wires 103, before the wiring frame 21 moves to the dividing blades 1212, the pressing plates 1213 push the pressing plates 1213 downwards, the pressing plates 1213 drive the dividing blades 1212 to move downwards, the dividing blades 1212 compress the return springs 12113 downwards along the guide grooves 12111 through the pressing plates 12112, so that the knife edges 1214 originally positioned at the upper parts of the insulating layers of the electric wires 103 are moved downwards to be at the same height as the tops of conductive metals in the electric wires 103, when the electric wires 103 move to the knife edges 1214, the upper V-shaped wheels 1214 synchronously cut the insulating layers of the plurality of the electric wires 103 to a proper length, then the first driving motor 111 is controlled to stop rotating, the dividing blades 1212 are released, the dividing blades 1212 are separated from and reset under the action of the return springs 12113, so that the plurality of knife edges 1214 can be separated from and reset under the action of the return springs 12113, and the electric wires can be synchronously cut at one time, and high in efficiency, and the operation;
then, as shown in fig. 5-10, the second driving motor 1234 is started, the second driving motor 1234 drives the rack 1231 to swing along the limit frame 1232 once through the driving wheel 1233, the rack 1231 synchronously drives the multiple groups of driving gears 1222 to rotate in the gear groove 12211, the driving gears 1222 drive the annular cutter 1224 to rotate through the bump 1223, initially, the balls 12241 are located in the concave groove 12213, the annular cutter 1224 is separated from the insulation layer outside the electric wire 103, during the rotation process of the subsequent bump 1223 driving the annular cutter 1224, the balls 1224 drive the balls 12241 to roll from the edge of the concave groove 12213 to the edge of the annular groove 122131, the annular groove 122131 drives the annular cutter 1224 to move along the lifting groove 12231 through the balls 12241, so that the thrust spring 1226 is compressed, the annular cutter 1224 is switched from the state separated from the insulation layer to the state of the annular cutter, the end of the insulation layer which is cut transversely, after the annular cutter 1224 is cut off, the balls 1224 roll into the concave groove 12213 again, the whole skin is cut, and the conductive metal inside the insulation layer is not extruded, so that the conductive metal is not extruded;
after the insulation layer at the wiring end of the wire 103 is cut off, the first driving motor 111 is started again, the first driving motor 111 drives the wire 103 with the peeled wiring end to be inserted into the wire insertion hole 102 through the V-shaped wheel 114, then the screw in the terminal groove 101 is rotated, the terminal is pressed down to the upper portion of the wire 103 positioned in the wire insertion hole 102 to compress the wire 103, and then the wire connection frame 21 is pulled out along the extending direction of the wire 103, so that the wire connection work is completed.
It should be added that, at each start, the second driving motor 1234 is opposite to the previous rotation direction, so that the rack 1231 can swing reciprocally, and each time the rack 1231 swings, the rack 1231 just can drive the driving gear 1222 to rotate by one circle.
Example two
As shown in fig. 1-2, wherein the same or corresponding parts as in embodiment one are designated by corresponding reference numerals as in embodiment one, only the points of distinction from embodiment one will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:
the mounting unit 2 further includes:
clamping plates 22 connected to both sides of the wiring frame 21, wherein screw rods 23 are connected to the inside of the clamping plates 22 through threads;
the support plate 24 is connected to the upper end of the wiring frame 21;
the positioning block 25 is connected to one side of the support plate 24, and is inserted into the terminal groove 101 to mount the wire holder 21.
When the butt-joint wire frame 21 is installed, the positioning blocks 25 are inserted into the terminal grooves 101, so that the moving outlets of the wires 103 in the butt-joint wire frame 21 are ensured to correspond to the wire inserting holes 102 one by one, then the screws 23 on two sides of the butt-joint wire frame 21 are respectively rotated, the screws 23 are propped against the side parts of the ammeter body 100 through threaded fit with the clamping plates 22, in the process, the positioning blocks 25 inserted into the terminal grooves 101 always position the butt-joint wire frame 21, the moving outlets of the wires 103 in the butt-joint wire frame 21 are effectively prevented from being misplaced with the wire inserting holes 102, and the installation accuracy of the wires 103 is greatly improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a terminal strip termination of three-phase four-wire ammeter, includes ammeter body (100), locates terminal groove (101) that ammeter body (100) upper end is used for installing the terminal, locates ammeter body (100) one end just is located plug wire hole (102) of terminal groove (101) below, and be located wire (103) of plug wire hole (102) one end, its characterized in that still includes:
the wire plugging unit (1) comprises a pre-tightening assembly (11) and a peeling assembly (12), wherein the pre-tightening assembly (11) is used for synchronously clamping a plurality of groups of wires (103) and pushing the wires towards the direction of a wire plugging hole (102), and the peeling assembly (12) is arranged between the pre-tightening assembly (11) and the ammeter body (100) and is used for cutting off an insulating layer at the wire connecting position of the wires (103);
the installation unit (2) comprises a wiring frame (21) which is arranged at one end of the wire insertion hole (102) and used for installing the wire insertion unit (1) at one end of the ammeter body (100), and an installation groove (211) used for installing the peeling assembly (12) is formed in the upper end of the wiring frame (21).
2. The terminal block wiring device of a three-phase four-wire electric meter of claim 1, wherein:
the pretensioning assembly (11) comprises:
the mounting block (112) is connected to one end of the wiring frame (21);
the rotating shaft (113) is arranged above and below the electric wire (103) and is in meshed transmission through the gear set (115), and the V-shaped wheel (114) is fixedly sleeved on the outer side of the rotating shaft and is used for being in frictional contact with an insulating layer outside the electric wire (103) and driving the electric wire (103) to move forwards;
the first driving motor (111) is arranged on one side of the wiring frame (21) and is used for driving the rotating shaft (113) to rotate;
the bracket (116) is connected to one end of the wiring frame (21), and the side part of the bracket is sleeved outside the electric wire (103) and is used for guiding the movement of the electric wire (103);
the pushing assembly (117) is arranged on one side of the bracket (116) and is used for pushing a plurality of groups of wires (103) flush against one side of the V-shaped wheel (114) in the initial stage;
and the clamping assembly (118) is positioned on one side of the pushing assembly (117) and is used for clamping the electric wire (103).
3. The terminal block wiring device of a three-phase four-wire electric meter of claim 2, wherein:
the propulsion assembly (117) comprises:
a first guide sleeve (1171) connected to one side of the bracket (116);
the telescopic shaft (1172) is in sliding insertion connection with the inside of the first guide sleeve (1171), and a first ejection spring (1173) for resetting the telescopic shaft (1172) is sleeved outside the telescopic shaft and positioned in the first guide sleeve (1171);
the first limiting block (1174) is connected to one end of the telescopic shaft (1172) and is inserted into the first guide sleeve (1171) in a sliding mode.
4. A terminal block wiring device for a three-phase four-wire electric meter as in claim 3, wherein:
the clamping assembly (118) includes:
a second guide sleeve (1181) connected to one side of the telescopic shaft (1172);
the top plate (1183) is inserted into the second guide sleeve (1181) in a sliding manner and is used for clamping the electric wire (103);
the second jacking spring (1184) is sleeved outside the top plate (1183) and is positioned in the second guide sleeve (1181);
the second limiting block (1182) is fixedly sleeved on the outer side of the top plate (1183) and positioned in the second guide sleeve (1181) and used for adjusting the second ejection spring (1184).
5. A terminal block wiring device for a three-phase four-wire electric meter according to claim 1, wherein,
the peeling assembly (12) comprises:
a ripping assembly (121) arranged at one side of the mounting groove (211) and used for ripping the insulation layer at the head of the wire (103) when the pretensioning assembly (11) pushes the wire (103);
the annular cutting assembly (122) is connected to the inner side of the mounting groove (211) and sleeved on the outer side of the electric wire (103) in a sliding manner, and is used for annular cutting the insulating layer which is scratched by the scratching assembly (121), and the annular cutting assembly (122) is arranged under the scratching assembly (121);
the driving assembly (123) is arranged in the wiring frame (21) and positioned below the circular cutting assembly (122) and is used for driving the circular cutting assembly (122) to rotate so as to finish cutting off the external insulation layer of the electric wire (103).
6. A terminal block wiring device for a three-phase four-wire electric meter as in claim 5, wherein,
the scribing assembly (121) comprises:
a mounting rod (1211) connected to one side of the mounting groove (211);
a cutting knife (1212) which is inserted in the installation rod (1211) in a sliding manner, wherein one side of the cutting knife is provided with a knife edge (1214) for cutting the electric wire (103) relative to the feeding direction of the electric wire (103);
and the pressing plate (1213) is connected to the upper ends of the scriber blades (1212) and is used for synchronously pressing down a plurality of groups of scriber blades (1212).
7. The terminal block wiring device of a three-phase four-wire electric meter of claim 6, wherein:
a guide groove (12111) is formed in the mounting rod (1211);
a pressing sheet (12112) is fixedly sleeved outside the scribing cutter (1212) and positioned in the guide groove (12111);
a reset spring (12113) is sleeved at the outer side of the scratch-off knife (1212) and positioned at the lower end of the pressing sheet (12112);
the length of the pressing piece (12112) moving up and down along the guide groove (12111) is equal to the thickness of the outer insulating layer of the electric wire (103).
8. A terminal block wiring device for a three-phase four-wire electric meter as in claim 7, wherein,
the ring cutting assembly (122) includes:
a holder (1221) attached to one side of the mounting groove (211);
the driving gear (1222) is rotationally inserted into the tool rest (1221), and a gear groove (12211) is formed in the outer side of the driving gear (1222) and positioned in the tool rest (1221);
a protruding block (1223) connected to one side of the driving gear (1222), wherein an annular groove (12212) for guiding the movement of the protruding block (1223) is arranged outside the protruding block (1223) and outside the tool rest (1221), and a lifting groove (12231) is arranged inside the protruding block (1223) from top to bottom in a penetrating manner;
a ring cutter (1224) which is inserted in the lifting groove (12231) in a sliding manner;
a gasket (1225) fixedly sleeved on the outer side of the ring cutter (1224);
and the thrust spring (1226) is sleeved outside the annular cutter (1224) and is positioned between the gasket (1225) and the lug (1223) and used for propping up the annular cutter (1224).
9. The terminal block wiring device of a three-phase four-wire electric meter of claim 8, wherein:
the outside of the ring cutter (1224) and positioned in the knife rest (1221) are provided with ring cutting grooves (122131) for guiding the movement of the ring cutter (1224), and the top of the ring cutting groove (122131) is provided with a concave groove (12213) for retracting the ring cutter (1224) to enable the ring cutter (1224) to leave the electric wire (103);
the upper end of the ring cutter (1224) is rotatably inserted with a ball (12241) which is used for rolling contact with the concave groove (12213) and the ring cutting groove (122131).
10. The terminal block wiring device of a three-phase four-wire electric meter of claim 9, wherein:
the drive assembly (123) includes:
a rack (1231) slidably disposed at the bottom of the mounting groove (211), the upper end of which is engaged with the lower end of the driving gear (1222);
the limiting frames (1232) are connected to the bottoms of the mounting grooves (211) and are positioned on two sides of the racks (1231) and used for guiding movement of the racks (1231);
the driving wheel (1233) is meshed with the upper end of the rack (1231), and one end of the driving wheel is connected with a second driving motor (1234) for driving the driving wheel (1233) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311047218.8A CN117031097A (en) | 2023-08-18 | 2023-08-18 | Terminal strip wiring device of three-phase four-wire ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311047218.8A CN117031097A (en) | 2023-08-18 | 2023-08-18 | Terminal strip wiring device of three-phase four-wire ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117031097A true CN117031097A (en) | 2023-11-10 |
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ID=88637057
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311047218.8A Pending CN117031097A (en) | 2023-08-18 | 2023-08-18 | Terminal strip wiring device of three-phase four-wire ammeter |
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| Country | Link |
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| CN (1) | CN117031097A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117706150A (en) * | 2024-02-05 | 2024-03-15 | 佳木斯意合科技有限公司 | Plug terminal of ammeter and ammeter comprising same |
| CN117805540A (en) * | 2024-02-29 | 2024-04-02 | 江苏盛德电子仪表有限公司 | Power-on testing device of power concentrator |
-
2023
- 2023-08-18 CN CN202311047218.8A patent/CN117031097A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117706150A (en) * | 2024-02-05 | 2024-03-15 | 佳木斯意合科技有限公司 | Plug terminal of ammeter and ammeter comprising same |
| CN117706150B (en) * | 2024-02-05 | 2024-04-16 | 佳木斯意合科技有限公司 | Ammeter |
| CN117805540A (en) * | 2024-02-29 | 2024-04-02 | 江苏盛德电子仪表有限公司 | Power-on testing device of power concentrator |
| CN117805540B (en) * | 2024-02-29 | 2024-04-26 | 江苏盛德电子仪表有限公司 | Power-on testing device of power concentrator |
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