阅读说明：本技术 一种电网二次回路接线固定和标识装置 (Fixing and marking device for secondary circuit wiring of power grid ) 是由 罗天齐 江兵 何文庆 于 2019-11-13 设计创作，主要内容包括：本发明涉及一种电网二次回路接线固定和标识装置,该电网二次回路接线固定和标识装置,包括主体部和若干个夹线单元,夹线单元设于主体部内,能够将线体进行固定,使多根线体保持一定的顺序和位置；所述夹线单元可移动的设置于主体部内；所述夹线单元包括上夹线块和下夹线块,上夹线块和下夹线块上下对称设置,上夹线块的底部和下夹线块的顶部设有相互配合的线槽,上夹线块配合下夹线块将线体固定于线槽内；本发明能够对二次回路端子接线的顺序和位置进行固定和定位,在更换二次设备时便于接线,不会出现错误,而且接线效率高,值得大力推广。(The invention relates to a wiring fixing and marking device for a secondary circuit of a power grid, which comprises a main body part and a plurality of wire clamping units, wherein the wire clamping units are arranged in the main body part and can fix wire bodies so that the plurality of wire bodies are kept in a certain sequence and position; the wire clamping unit is movably arranged in the main body part; the wire clamping unit comprises an upper wire clamping block and a lower wire clamping block, the upper wire clamping block and the lower wire clamping block are symmetrically arranged up and down, mutually matched wire grooves are formed in the bottom of the upper wire clamping block and the top of the lower wire clamping block, and the upper wire clamping block is matched with the lower wire clamping block to fix a wire body in the wire grooves; the invention can fix and position the wiring sequence and position of the secondary loop terminal, is convenient for wiring when replacing secondary equipment, has no error, has high wiring efficiency and is worthy of great popularization.)

1. The utility model provides a fixed and identification means of electric wire netting secondary circuit wiring which characterized in that: the wire clamping unit is arranged in the main body part and can fix the wire bodies, so that the plurality of wire bodies are kept in a certain sequence and position.

2. The power grid secondary circuit wiring fixing and identifying device as claimed in claim 1, wherein: the wire clamping unit is movably arranged in the main body part.

3. The power grid secondary circuit wiring fixing and identifying device as claimed in claim 2, wherein: the wire clamping unit comprises an upper wire clamping block and a lower wire clamping block, the upper wire clamping block and the lower wire clamping block are symmetrically arranged up and down, mutually matched wire grooves are formed in the bottom of the upper wire clamping block and the top of the lower wire clamping block, and the upper wire clamping block is matched with the lower wire clamping block to fix a wire body in the wire grooves;

the inside of the main body part is provided with a through groove which runs through the main body part, a plurality of wire clamping units used for fixing the wire body are arranged in the through groove, and the wire clamping units are connected with the main body part through a position adjusting mechanism.

4. The power grid secondary circuit wiring fixing and identifying device as claimed in claim 3, wherein: the position adjusting mechanism comprises a sliding seat, an adjusting screw rod and a prefabricated nut, the top and the bottom of the main body portion are respectively provided with a sliding groove communicated with the through groove, the sliding seat is arranged in the sliding groove, the prefabricated nut is arranged inside the sliding seat, the adjusting screw rod penetrates through the prefabricated nut and then is connected with the wire clamping unit, and the adjusting screw rod is in threaded connection with the prefabricated nut.

5. The power grid secondary circuit wiring fixing and identifying device as claimed in claim 4, wherein: and a knob is arranged at one end of the adjusting screw rod, which is far away from the wire clamping unit.

6. The power grid secondary circuit wiring fixing and identifying device as claimed in claim 1, wherein: the wire clamping units on the main body part are 11, and when the number of the wire bodies is more than 11, two or more than two power grid secondary circuit wiring fixing and identifying devices are used on the same terminal block in parallel.

7. The power grid secondary circuit wiring fixing and identifying device as claimed in claim 1, wherein: the main body part is two parts which are arranged up and down symmetrically, and is an upper main body and a lower main body respectively, and the upper main body is detachably connected with the lower main body;

the wire clamping unit is arranged in the main body part and comprises a wire groove arranged at the bottom of the upper main body and a wire groove arranged at the top of the lower main body, the wire grooves of the upper main body and the lower main body are spliced to form a wire hole, and the upper main body and the lower main body are matched to fix a wire body in the wire groove.

8. The power grid secondary circuit wiring fixing and identifying device as claimed in claim 7, wherein: the upper main body is detachably connected with the lower main body through a clutch mechanism, the clutch mechanism comprises a clutch screw rod penetrating through the upper main body and a driving mechanism, the clutch screw rod is connected with the upper main body through threads, the lower end of the clutch screw rod is connected with the driving mechanism, the driving mechanism comprises a main shaft, a worm wheel and a worm, the main shaft is connected with the lower end of the clutch screw rod, the worm wheel is fixedly arranged on the main shaft and meshed with the worm, and one end of the worm extends to the outer side of the lower main body and is connected with a power source; still be equipped with the guide bar between last main part and the lower main part, the fixed top of locating down the main part of guide bar, the upper end of guide bar runs through last main part to extend to the top of last main part.

9. The power grid secondary circuit wiring fixing and identifying device as recited in claim 8, wherein: two sides of the worm wheel are respectively provided with a worm, one worm extends to the outer side of the lower main body, belt wheels are arranged on the two worms, and the belt wheels between the two worms are connected through a belt.

10. The power grid secondary circuit wiring fixing and identifying device as claimed in claim 7, wherein: the wire pressing mechanism is arranged on the periphery of the wire hole and comprises a plurality of protruding parts protruding out of the inner wall of the wire hole;

the bulge is arranged on the insert, the insert is arranged in the main body part of the periphery of the wire hole, the insert is integrally in a strip shape, the main body part on the outer side of the wire hole is provided with a jack matched with the cross section of the insert, and the insert is inserted into the main body part along the jack and is detachably connected with the main body part.

Technical Field

The invention belongs to the technical field of electrical equipment installation, and particularly relates to a device for fixing and identifying a secondary circuit wiring of a power grid.

Background

Secondary loop (secondary circuit) definition: all low-voltage loops such as a measurement loop, a relay protection loop, a switch control and signal loop, an operation power supply loop, an electric locking loop of a circuit breaker and a disconnecting switch and the like. The secondary devices are interconnected to form an electrical circuit that monitors, controls, regulates, and protects the primary devices, referred to as the secondary circuit. The secondary winding of the mutual inductor, a measurement monitoring instrument, a relay, an automatic device and the like are connected into a circuit in an electrical system through a control cable. For controlling, protecting, regulating, measuring and monitoring the parameters and the working conditions of the elements in the primary circuit. The circuits for monitoring the electrical connections formed by the gauges, control signals, relay protection and automation devices are called secondary circuits or secondary connections.

The secondary equipment is low-voltage electrical equipment used for monitoring, controlling, measuring, adjusting and protecting the working conditions of an electric power system and primary equipment, and comprises a measuring instrument, a control and running condition monitoring signal of the primary equipment, an automatic monitoring system, a relay protection and safety automatic device, communication equipment and the like.

The electric circuit formed by connecting the secondary devices together according to certain functional requirements is called secondary wiring or secondary circuit, and is an essential component for ensuring safe production, economic operation and reliable power supply of the power system.

The terminal row wiring quantity in secondary circuit is more, very easily appears the problem of wiring in disorder, need carry out the wiring again after changing secondary equipment, appears the wiring mistake easily, and the wiring amount of labour is big moreover. The electrical working personnel in the prior art mostly paste the sticker after the power cord is connected, write the label for marking, and then connect to the terminal row, prevent making mistakes, efficiency is lower, and the terminal connection needs to be contrasted and fixed one by one.

Disclosure of Invention

The invention aims to solve the problems and provide a power grid secondary circuit wiring fixing and identifying device for realizing quick wiring of secondary equipment replacement.

The invention realizes the purpose through the following technical scheme:

the utility model provides a fixed and identification means of electric wire netting secondary circuit wiring, includes main part and a plurality of trapping mechanism, and trapping mechanism locates in the main part, can fix the line body, makes many line bodies keep certain order and position.

As a further optimized solution of the present invention, the wire clamping unit is movably disposed in the main body portion.

As a further optimized scheme of the invention, the wire clamping unit comprises an upper wire clamping block and a lower wire clamping block, the upper wire clamping block and the lower wire clamping block are symmetrically arranged up and down, the bottom of the upper wire clamping block and the top of the lower wire clamping block are provided with mutually matched wire grooves, and the upper wire clamping block is matched with the lower wire clamping block to fix the wire body in the wire groove;

the inside of the main body part is provided with a through groove which runs through the main body part, a plurality of wire clamping units used for fixing the wire body are arranged in the through groove, and the wire clamping units are connected with the main body part through a position adjusting mechanism.

As a further optimization scheme of the invention, the position adjusting mechanism comprises a sliding seat, an adjusting screw rod and a prefabricated nut, sliding grooves communicated with the through grooves are formed in the top and the bottom of the main body part, the sliding seat is arranged in the sliding grooves, the prefabricated nut is arranged in the sliding seat, the adjusting screw rod penetrates through the prefabricated nut and then is connected with the wire clamping unit, and the adjusting screw rod is in threaded connection with the prefabricated nut. The rotary adjusting screw rod can drive the wire clamping unit to move up and down through the screw thread effect, so that the longitudinal position of the rotary adjusting screw rod can be adjusted, the wire clamping unit can be driven to move along the direction of the sliding groove through the movable sliding seat, the transverse position of the rotary adjusting screw rod can be adjusted, and therefore the wire grooves in the wire clamping unit can correspond to terminals which are distributed in a staggered mode in height and different in terminal intervals on the terminal strip.

As a further optimized scheme of the invention, one end of the adjusting screw rod, which is far away from the wire clamping unit, is provided with a knob.

As a further optimization scheme of the invention, 11 wire clamping units are arranged on the main body part, and when the number of wire bodies is more than 11, two or more than two power grid secondary circuit wiring fixing and identifying devices are used on the same terminal strip in parallel.

As a further optimization scheme of the invention, the main body part is two parts which are arranged up and down symmetrically, and is an upper main body and a lower main body respectively, and the upper main body is detachably connected with the lower main body;

the wire clamping unit is arranged in the main body part and comprises a wire groove arranged at the bottom of the upper main body and a wire groove arranged at the top of the lower main body, the wire grooves of the upper main body and the lower main body are spliced to form a wire hole, and the upper main body and the lower main body are matched to fix a wire body in the wire groove.

As a further optimized scheme of the invention, the upper main body and the lower main body are detachably connected through a clutch mechanism, the clutch mechanism comprises a clutch screw rod penetrating through the upper main body and a driving mechanism, the clutch screw rod is connected with the upper main body through threads, the lower end of the clutch screw rod is connected with the driving mechanism, the driving mechanism comprises a main shaft, a worm wheel and a worm, the main shaft is connected with the lower end of the clutch screw rod, the main shaft is fixedly provided with the worm wheel, the worm wheel is meshed with the worm, and one end of the worm extends to the outer side of the lower main body and is connected with a power source; still be equipped with the guide bar between last main part and the lower main part, the fixed top of locating down the main part of guide bar, the upper end of guide bar runs through last main part to extend to the top of last main part. The power supply drives the worm and rotates, the worm drives the worm wheel and the main shaft to rotate, the main shaft drives the clutch screw to rotate, the clutch screw drives the upper main body to be close to or far away from the lower main body through the thread effect, the worm wheel can be self-locked and stopped to rotate due to the self-locking effect of the worm and the worm wheel when the worm stops rotating, the clutch screw synchronously obtains locking, the upper main body is limited by the guide rod to rotate freedom, the upper main body is followed to obtain the locking effect at the moment, and the movement of the upper main body is effectively avoided.

As a further optimization scheme of the invention, two sides of the worm wheel are respectively provided with a worm, one worm extends to the outer side of the lower main body, belt wheels are arranged on the two worms, and the belt wheels between the two worms are connected through a belt. The worm wheel is self-locked through the two worms, and the synchronous rotation of the worms is kept through the transmission of the belt wheel.

As a further optimized scheme of the invention, the wire hole is provided with a wire pressing mechanism at the periphery, and the wire pressing mechanism comprises a plurality of convex parts protruding out of the inner wall of the wire hole. The bulge can extrude the wire body in the wire hole when the main body part is folded, and the wire body looseness caused by the gap between the wire hole and the wire body is eliminated.

The bulge is arranged on the insert, the insert is arranged in the main body part of the periphery of the wire hole, the insert is integrally in a strip shape, the main body part on the outer side of the wire hole is provided with a jack matched with the cross section of the insert, and the insert is inserted into the main body part along the jack and is detachably connected with the main body part.

The invention has the beneficial effects that:

1) the invention can fix and position the wiring sequence and position of the secondary loop terminal, is convenient for wiring when replacing secondary equipment, and has no error;

2) the invention can finish the correspondence of a plurality of wiring and terminals at one time, and greatly improves the wiring efficiency compared with the wiring comparison one by one;

3) the identification device is not only suitable for terminal wiring of a secondary circuit, but also suitable for terminal wiring of other equipment in a power grid.

Drawings

FIG. 1 is a front view of the present invention in a first embodiment;

FIG. 2 is a top view of the present invention in a first embodiment;

FIG. 3 is a schematic view of the first embodiment of the present invention without the adjusting screw;

FIG. 4 is a schematic diagram of the structure of the present invention used in combination in one embodiment;

FIG. 5 is a schematic structural view of the present invention in a second embodiment;

FIG. 6 is a schematic structural view of the present invention in the third embodiment;

FIG. 7 is a partial internal structural view of the present invention in the third embodiment;

FIG. 8 is a schematic structural view of a clutch mechanism according to the third embodiment of the present invention;

FIG. 9 is a schematic structural view of the present invention in a fourth embodiment;

FIG. 10 is a schematic view of the insert of the present invention according to the fourth embodiment.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.