CN110967122A

CN110967122A - Temperature detection fixer of high-voltage power cable intermediate interface

Info

Publication number: CN110967122A
Application number: CN201911174746.3A
Authority: CN
Inventors: 李聪
Original assignee: Shanwei Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Shanwei Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-04-07
Anticipated expiration: 2039-11-26
Also published as: CN110967122B

Abstract

The invention discloses a temperature detection fixer for a high-voltage power cable intermediate interface, which comprises a mounting plate, wherein a detector is mounted on the mounting plate, the end surfaces of two ends of the mounting plate are respectively provided with a chute, one end of a support plate is clamped in the chute in a sliding manner, the other end of the support plate is fixedly connected with a connecting plate, and a tensioning mechanism is mounted between the connecting plate and the end surface of the mounting plate. Cable kneck is hugged closely to the mounting panel, the interface outer wall is hugged closely to the arc preforming, the backup pad slides along the spout, thereby remove the cable department to the interface both ends with the connecting plate, the connecting plate passes through the tight clamp of clamp sleeve fast clamp and fixes on the cable at interface both ends, then the mounting panel is fixed firm, avoid the detector to drop, stimulate the connecting plate through straining device, make the connecting plate to the fine motion of mounting panel department, thereby make mounting panel weight pass through the connecting plate and transmit for interface both ends cable, the middle interface of mounting panel below is in lax state, avoid the middle interface to receive to drag and fracture damage, thereby be convenient.

Description

Temperature detection fixer of high-voltage power cable intermediate interface

Technical Field

The invention relates to the technical field of high-voltage cables, in particular to a temperature detection fixer for a middle interface of a high-voltage power cable.

Background

The high-voltage power cable is often required to carry out temperature detection and real-time monitoring on the middle interface of the cable in long-distance erection, the cable is prevented from being burnt out due to high temperature caused by the joint problem of the middle interface when the cable transmits power, a detector is required to be fixedly attached to the outer wall of the middle interface of the cable when the temperature is detected, the detector is directly bound at the cable interface by tools such as a binding band and the like at present, the fixing effect of the detector is poor, and the detector is easy to fall off, and the cable interface needs better tensile property, thus avoiding the fracture of the interface and easily causing the increase of the weight of the interface after the detector is added, therefore, the pulling force at the interface is increased, the pulling force at the cable interface can not be reduced by fixing through a binding belt and the like, the problem that the interface is broken and the like is easily caused, and therefore the temperature detection fixer for the middle interface of the high-voltage power cable is provided for solving the problem.

Disclosure of Invention

The present invention is directed to a temperature detection fixture for an intermediate interface of a high voltage power cable, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a temperature detection fixer of interface in middle of high voltage power cable, includes the mounting panel, fixed mounting detector on the mounting panel, the equal fixed mounting arc preforming in mounting panel both sides outer wall bottom, it has a plurality of mounting holes to open on the arc preforming, the temperature probe of detector cup joints the mounting hole through helicitic texture, the spout has all been opened to the both ends terminal surface of mounting panel, the one end of slip joint backup pad in the spout, the other end fixedly connected with connecting plate of backup pad, install straining device between the terminal surface of the connecting plate and mounting panel.

Preferably, the outer walls of the bottoms of the mounting plate and the connecting plate are both of an inwards concave arc structure, the arc pressing sheet is of an annular structure made of elastic insulating plastic, and the end face of the temperature measuring probe is of a hemispherical structure.

Preferably, the clamping sleeve includes two lantern rings, two the top of the lantern ring articulates respectively in a connecting plate even outer wall bottom, the equal fixed mounting of inner wall of the lantern ring presss from both sides tight pad, the lantern ring just opens the glue-injection hole on the outer wall that presss from both sides tight pad inner chamber, two the lantern ring is kept away from the equal fixed mounting take-up plate of one end outer wall of connecting plate, it has the spread groove of U type structure to open on the take-up plate, rotates the one end of connecting taut double-screw bolt through the round pin axle between the spread groove on a take-up plate, the other end of taut double-screw bolt runs through another spread groove and cup joints lock nut through helicitic texture, lock nut closely.

Preferably, press from both sides tight pad for the arc silica gel pad of laminating lantern ring inner wall, press from both sides tight pad middle part and be equipped with the square inner chamber just to the injecting glue hole, press from both sides tight pad inner chamber and inject heat conduction silica gel through the injecting glue hole.

Preferably, the knobs are obliquely installed at two ends of the side wall, far away from the tensioning plate, of the locking nut, the outer wall of the tensioning plate, close to the locking nut, is provided with an anti-falling groove, the anti-falling groove is of a circular structure fitting the locking nut, the diameter of the anti-falling groove is larger than the width of the connecting groove, and a locking washer is sleeved on the tensioning stud between the locking nut and the anti-falling groove.

Preferably, straining device includes solid fixed cylinder and slide bar, the terminal surface middle part of the one end fixed connection mounting panel of solid fixed cylinder, the terminal surface middle part of the one end fixed connection connecting plate of slide bar, the other end sliding clamping of slide bar is in solid fixed cylinder, the solid fixed cylinder is close to the terminal surface rotation joint nut cover of connecting plate, the outer wall of slide bar is cup jointed through helicitic texture to the inner wall of nut cover, spout open end inner wall department opens there is the chamber of accomodating, the outer wall of mounting panel cup joints adjusting bolt through helicitic texture, adjusting bolt's terminal surface stretches into accomodates the chamber and rotates the joint fixture block, the fixture block sliding clamping is in accomodating the intracavity, the outer wall of backup pad is opened there is the draw-in groove, install engaged with ratchet between fixture block outer.

Compared with the prior art, the invention has the beneficial effects that: the mounting plate is tightly attached to the outer wall of the interface, and the temperature measuring probe is tightly pressed on the outer wall of the interface through the arc-shaped pressing sheet, so that the temperature of the middle interface of the cable can be conveniently detected; the distance between the connecting plate and the mounting plate can be adjusted through the tensioning mechanism, so that the connecting plate is positioned at the cable positions at two ends of the interface, and the connecting plate is quickly clamped and fixed on the cable through the clamping sleeve, so that the mounting plate is fixed and stable in position and prevented from falling off, and temperature measurement is facilitated; after the connecting plate and the cables at the two ends of the interface are fixed by the clamping sleeve, the connecting plate is pulled by the tensioning mechanism to slightly approach the mounting plate, the weight of the mounting plate is transmitted to the cables at the two ends of the interface through the connecting plate, the middle interface below the mounting plate is in a loose state, the middle interface is prevented from being pulled and broken and damaged, and the function of the cable interface is prevented from being influenced by the installation of the temperature detection device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top sectional view of the tightening mechanism of the present invention;

FIG. 3 is a schematic top sectional view of a tension plate according to the present invention;

FIG. 4 is an enlarged structural view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic left-side sectional view of the mounting plate of the present invention.

In the figure: the device comprises a mounting plate 1, a detector 2, a sliding groove 3, a supporting plate 4, a connecting plate 5, a tensioning mechanism 6, a fixing barrel 61, a nut sleeve 62, a sliding rod 63, a clamping block 64, a clamping groove 65, a containing cavity 66, an adjusting bolt 67, a clamping sleeve 7, a lantern ring 71, a glue injection hole 72, a clamping pad 73, a tensioning plate 74, a connecting groove 75, a locking nut 76, a tensioning stud 77, an arc-shaped pressing sheet 8, a mounting hole 9, a temperature measuring probe 10, a separation-preventing groove 11, a locking washer 12 and a knob 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a temperature detection fixer of interface in middle of high voltage power cable, including mounting panel 1, fixed mounting detector 2 on mounting panel 1, the equal fixed mounting arc preforming 8 in 1 both sides outer wall bottom of mounting panel, it has a plurality of mounting holes 9 to open on the arc preforming 8, the temperature probe 10 of detector 2 cup joints mounting hole 9 through helicitic texture, spout 3 has all been opened to the both ends terminal surface of mounting panel 1, the one end of sliding joint backup pad 4 in spout 3, the other end fixedly connected with connecting plate 5 of backup pad 4, install straining device 6 between the terminal surface of connecting plate 5 and mounting panel 1. The cable kneck is hugged closely to mounting panel 1, the interface outer wall is hugged closely to arc preforming 8, 3 slides along the spout to backup pad 4, thereby remove connecting plate 5 to the cable department at interface both ends, connecting plate 5 passes through tight cover 7 rapid clamping and fixes on the cable at interface both ends, then mounting panel 1 is fixed firm, avoid detector 2 to drop, 6 pulling connecting plate 5 through straining device, make connecting plate 5 to 1 micromotion of mounting panel, thereby make 1 weight of mounting panel transmit for interface both ends cable through connecting plate 5, the middle interface of 1 below of mounting panel is in lax state, avoid the middle interface to receive to drag and the fracture damage, thereby be convenient for temperature probe 9 carries out the temperature measurement to the middle interface.

The bottom outer wall of mounting panel 1 and connecting plate 5 is indent arc structure, the laminating cable of being convenient for, and arc preforming 8 is the cyclic annular structure that elastic insulation plastics made to be convenient for arc preforming 8 hugs closely intermediate head department outer wall, and temperature probe 9's terminal surface is hemisphere structure, and intermediate head is hugged closely through hemisphere terminal surface to temperature probe 9, avoids lacerating the kneck outer wall.

The clamping sleeve 7 comprises two sleeve rings 71, the tops of the two sleeve rings 71 are respectively hinged to the bottoms of the outer walls of the connecting plates 5, clamping pads 73 are fixedly mounted on the inner walls of the sleeve rings 71, glue injection holes 72 are formed in the outer walls, facing the inner cavities of the clamping pads 73, of the sleeve rings 71, tensioning plates 74 are fixedly mounted on the outer walls of the ends, far away from the connecting plates 5, of the two sleeve rings 71, connecting grooves 75 of U-shaped structures are formed in the tensioning plates 74, one end of each tensioning stud 77 is rotatably connected to the connecting groove 75 of one tensioning plate 74 through a pin shaft, the other end of each tensioning stud 77 penetrates through the other connecting groove 75 and is sleeved with a locking nut 76 through a threaded structure, the locking nut 76 is tightly pressed on each tensioning plate 74, the sleeve rings 71 are sleeved on cables at the two ends of the interface, the tensioning studs 77 are clamped into the connecting grooves 75, the locking nuts 76 are rotated, so that the, thereby securing the connection plate 5 to the cable.

Press from both sides tight pad 73 and be the arc silica gel pad of laminating lantern ring 71 inner wall, the tight cable of copper drum clamp pad 73 clamp, avoid damaging the cable outer wall, press from both sides tight pad 73 middle part and be equipped with the square inner chamber just to injecting glue hole 72, press from both sides tight pad 73 inner chamber and inject heat conduction silica gel through injecting glue hole 72, it is firm to bond between lantern ring 71 and cable outer wall through heat conduction silica gel, make connecting plate 5 and cable junction inseparable, the 6 pulling connecting plates 5 of straining mechanism of being convenient for, thereby make the interface lax, avoid being dragged the damage.

Knob 13 is all installed in the equal slope of lateral wall both ends that lock nut 76 kept away from take-up plate 74, the take-up plate 74 outer wall that lock nut 76 hugs closely is opened has anticreep groove 11, anticreep groove 11 is the circular structure of laminating lock nut 76, and the diameter of anticreep groove 11 is greater than the width of spread groove 75, lock nut 76 and anticreep groove 11 between the taut double-screw bolt 77 go up cup jointed lock washer 12, be convenient for rotate lock nut 76 through knob 13, lock nut 76 blocks in the anticreep groove 11, and compress tightly through lock washer 12, thereby make lock nut 76 rigidity, avoid lock nut 76 and taut double-screw bolt 77 to produce not hard up.

The tensioning mechanism 6 comprises a fixed cylinder 61 and a slide rod 63, one end of the fixed cylinder 61 is fixedly connected with the middle part of the end surface of the mounting plate 1, one end of the slide rod 63 is fixedly connected with the middle part of the end surface of the connecting plate 5, the other end of the slide rod 63 is slidably clamped in the fixed cylinder 61, the fixed cylinder 61 is close to the end surface of the connecting plate 5 to rotate a clamping nut sleeve 62, the inner wall of the nut sleeve 62 is sleeved with the outer wall of the slide rod 63 through a threaded structure, a containing cavity 66 is formed in the inner wall of the opening end of the slide groove 3, an adjusting bolt 67 is sleeved on the outer wall of the mounting plate 1 through a threaded structure, the end surface of the adjusting bolt 67 extends into the containing cavity 66 and rotates a clamping block 64, the clamping block 64 is slidably clamped in the containing cavity 66, a clamping groove 65 is formed in the outer wall of the support plate 4, a meshed ratchet is arranged between the outer wall of the clamping block 64 and the inner wall of, after the connecting plate 5 is clamped and fixed on cables at two ends of the interface through the clamping sleeve 7, the nut sleeve 62 is rotated again, the sliding rod 63 pulls the connecting plate 5, the connecting plate 5 approaches slightly to the mounting plate 1, the adjusting bolt 67 is rotated, the clamping block 64 slides into the clamping groove 65 from the accommodating cavity 66, ratchets between the clamping block 64 and the clamping groove 65 are meshed, the supporting plate 4 is completely fixed, the connecting plate 5 and the mounting plate 1 are fixed, and the mounting plate 1 is convenient to support.

The working principle is as follows: when the invention is used, the mounting plate 1 is tightly attached to the cable interface, the arc-shaped pressing sheet 8 is tightly attached to the outer wall of the interface, the adjusting bolt 67 is rotated to enable the fixture block 64 to slide into the containing cavity 66, the nut sleeve 62 is rotated, the slide rod 63 slides along the fixing cylinder 61 to adjust the position of the connecting plate 5, so that the connecting plate 5 is moved to the cable at two ends of the interface, the sleeve ring 71 is sleeved on the cable at two ends of the interface, the tensioning stud 77 is clamped into the connecting groove 75, the locking nut 76 is rotated, so that the tensioning stud 77 tensions the tensioning plate 74, the clamping pad 73 on the inner wall of the sleeve ring 71 clamps the cable, the locking nut 76 is clamped into the anti-falling groove 11 and is pressed tightly through the anti-falling washer 12, so that the position of the locking nut 76 is fixed, the locking nut 76 and the tensioning stud 77 are prevented from loosening, heat-conducting silica gel is injected into the inner cavity, thereby make and improve the stability of being connected between lantern ring 71 and cable, make connecting plate 5 fix on the cable at interface both ends, rotate nut cover 62 once more, make slide bar 63 stimulate connecting plate 5, connecting plate 5 is close to slightly to mounting panel 1, and rotate adjusting bolt 67, make fixture block 64 slide into in the draw-in groove 65 from accomodating chamber 66, the ratchet meshing between fixture block 64 and draw-in groove 65, thereby make backup pad 4 fixed completely, then fixed between connecting plate 5 and mounting panel 1, at this moment, 1 weight of mounting panel transmits for interface both ends cable through connecting plate 5, the middle interface of mounting panel 1 below is in lax state, avoid the middle interface to receive the pulling and fracture damage, thereby be convenient for temperature probe 9 to carry out the temperature measurement to the middle interface.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a temperature detection fixer of interface in middle of high voltage power cable, includes mounting panel (1), its characterized in that: fixed mounting detector (2) are gone up in mounting panel (1), the equal fixed mounting arc preforming (8) of mounting panel (1) both sides outer wall bottom, it has a plurality of mounting holes (9) to open on arc preforming (8), mounting hole (9) are cup jointed through helicitic texture in temperature probe (10) of detector (2), spout (3) have all been opened to the both ends terminal surface of mounting panel (1), the one end of slip joint backup pad (4) in spout (3), the other end fixedly connected with connecting plate (5) of backup pad (4), install taut mechanism (6) between the terminal surface of connecting plate (5) and mounting panel (1).

2. The temperature detection fixer of a high-voltage power cable intermediate interface according to claim 1, characterized in that: the bottom outer walls of the mounting plate (1) and the connecting plate (5) are both of concave arc structures, the arc pressing sheet (8) is of an annular structure made of elastic insulating plastic, and the end face of the temperature measuring probe (9) is of a hemispherical structure.

3. The temperature detection fixer of a high-voltage power cable intermediate interface according to claim 1, characterized in that: the clamping sleeve (7) comprises two lantern rings (71), the tops of the two lantern rings (71) are respectively hinged at the bottom of the outer wall of the connecting plate (5), the inner walls of the lantern rings (71) are fixedly provided with clamping pads (73), the outer wall of the lantern ring (71) facing the inner cavity of the clamping pads (73) is provided with glue injection holes (72), the outer walls of the two ends of the lantern rings (71) far away from the connecting plate (5) are fixedly provided with tensioning plates (74), the tensioning plate (74) is provided with a connecting groove (75) with a U-shaped structure, one end of a tensioning stud (77) is rotatably connected between the connecting grooves (75) on one tensioning plate (74) through a pin shaft, the other end of the tension stud (77) penetrates through the other connecting groove (75) and is sleeved with a locking nut (76) through a threaded structure, and the locking nut (76) is tightly pressed on the tension plate (74).

4. The temperature detection holder for the intermediate interface of the high-voltage power cable according to claim 3, wherein: press from both sides tight pad (73) and be the arc silica gel pad of laminating lantern ring (71) inner wall, press from both sides tight pad (73) middle part and be equipped with the square inner chamber just to injecting glue hole (72), press from both sides tight pad (73) inner chamber and inject heat conduction silica gel through injecting glue hole (72).

5. The temperature detection holder for the intermediate interface of the high-voltage power cable according to claim 3, wherein: knob (13) are all installed in the equal slope in lateral wall both ends that tie plate (74) were kept away from in lock nut (76), tie plate (74) outer wall that lock nut (76) hug closely opens and has anticreep groove (11), anticreep groove (11) are the circular structure of laminating lock nut (76), and the diameter in anticreep groove (11) is greater than the width of spread groove (75), lock nut (76) and anticreep have cup jointed lock washer (12) on taut double-screw bolt (77) between groove (11).

6. The temperature detection fixer of a high-voltage power cable intermediate interface according to claim 1, characterized in that: the tensioning mechanism (6) comprises a fixed cylinder (61) and a sliding rod (63), one end of the fixed cylinder (61) is fixedly connected with the middle part of the end surface of the mounting plate (1), one end of the sliding rod (63) is fixedly connected with the middle part of the end surface of the connecting plate (5), the other end of the sliding rod (63) is slidably connected with the fixed cylinder (61), the fixed cylinder (61) is close to the end surface of the connecting plate (5) and is rotatably connected with a clamping nut sleeve (62), the inner wall of the nut sleeve (62) is sleeved with the outer wall of the sliding rod (63) through a threaded structure, a containing cavity (66) is formed in the inner wall of the opening end of the sliding chute (3), the outer wall of the mounting plate (1) is sleeved with an adjusting bolt (67) through a threaded structure, the end surface of the adjusting bolt (67) extends into the containing cavity (66) and rotates a clamping fixture block (64), the outer wall of the supporting plate (4) is provided with a clamping groove (65), and a ratchet which is meshed with the outer wall of the clamping block (64) and the inner wall of the clamping groove (65) is installed between the clamping block and the clamping groove.