CN116973807A

CN116973807A - Fire control cable detection device

Info

Publication number: CN116973807A
Application number: CN202310959396.1A
Authority: CN
Inventors: 李乐华
Original assignee: Guangdong Junyi Construction Engineering Co ltd
Current assignee: Guangdong Junyi Construction Engineering Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2023-10-31

Abstract

The invention provides a fire-fighting cable detection device, which comprises a breakpoint detection unit, wherein the breakpoint detection unit detects whether a cable is broken or not and detects the position of the cable breakpoint; the wiring unit, the wiring unit is firm in connection with two metal wires of cable breakpoint position, makes the cable resume electrically conductive, breakpoint detection unit includes: the workbench is arranged on the ground; the winding and unwinding assemblies are arranged on the workbench; the U-shaped frame is arranged on the workbench; and the tensioning assembly is used for tensioning the cable. The invention detects whether the cable is broken or not through the break point detection unit, and detects the break point position of the cable; the two metal wires at the break point position of the cable are firmly connected through the wiring unit, and the two metal wires at the break point position of the cable are repaired, so that the cable is recovered to be conductive and used continuously, and resource waste is avoided.

Description

Fire control cable detection device

Technical Field

The invention relates to the technical field of cable detection, in particular to a fire-fighting cable detection device.

Background

The fire-fighting cable mainly comprises a metal conductor and an insulating layer, and because the fire-fighting safety is the civil field related to the personal safety of the citizens of China, the surface of the insulating layer of the fire-fighting cable is made of fireproof materials and can resist high temperature, wherein the number of the metal conductors has the specifications of single core, double cores or multiple cores, and the like, and the existing fire-fighting cable needs to be detected after production.

Chinese patent application No. 201811135183.2 discloses a fire-fighting cable detection device for detecting a voltage drop of a fire-fighting cable, comprising an input circuit, a rectifying circuit, a comparing circuit, an amplifying circuit and an output display circuit; the input circuit, the rectifying circuit, the comparing circuit, the amplifying circuit and the output display circuit are connected with each other, the device is simple and portable, the LED lamp is triggered to be on or off by setting the threshold value to visually display whether the LED lamp is qualified or not, the detection personnel can conveniently judge, the voltage drop value of the detection product can be visually displayed, and whether the disconnection problem exists or not can be judged by adjusting the potentiometer and observing the dial plate.

However, in the technical scheme, although whether the cable is broken or not can be detected, the specific position of the break point of the cable cannot be accurately detected, two metal wires at the break point position of the cable cannot be repaired, the cable cannot be recovered to conduct electricity for continuous use, and because the length of the cable is longer, the whole cable cannot be used due to the break point at a certain position of the cable, and great waste is caused.

Disclosure of Invention

The invention aims at overcoming the defects of the prior art, and provides a fire-fighting cable detection device, which is used for detecting whether a cable is broken or not through a break point detection unit and detecting the break point position of the cable; the two metal wires at the break point position of the cable are firmly connected through the wiring unit, and the two metal wires at the break point position of the cable are repaired, so that the cable is recovered to be conductive and used continuously, and resource waste is avoided.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a fire cable detection device, comprising: the breakpoint detection unit detects whether a cable is broken or not, and detects the position of the cable breakpoint; the wiring unit is used for firmly connecting the two metal wires at the break point position of the cable, so that the cable is restored to be conductive;

the breakpoint detection unit includes: the workbench is arranged on the ground; the winding and unwinding assemblies are arranged on the workbench; the U-shaped frame is arranged on the workbench; a tensioning assembly that tensions the cable; and the detection assembly is used for detecting whether the cable between the tensioning assemblies is broken or not and detecting the break position of the cable.

Further, the winding and unwinding assembly comprises: the rotating rod is rotationally arranged on the workbench, and a detection hole is formed in the rotating rod; the baffle plates a are arranged on the rotating rods; the tensioning assembly includes: the two groups of connecting frames a are arranged on the workbench, and the U-shaped frames are positioned between the two groups of connecting frames a; the frame is mounted on the connecting frame a; and the two groups of guide wheels are arranged on the frame.

Preferably, the detection assembly includes: the guide rail is arranged on the U-shaped frame; the moving block a is arranged on the guide rail in a sliding manner; the fixed mount a is arranged on the moving block a; the detection pen is arranged on the fixing frame a.

Further, the wiring unit includes: the moving block b is arranged on the guide rail in a sliding manner; the fixed mount b is arranged on the moving block b; the driving assembly a is arranged on the fixing frame b; the semicircular clamping plates are arranged on one side of the fixing frame b, and the driving assembly a drives the semicircular clamping plates to open or close; the clamping assembly is arranged in the semicircular clamping plate and used for clamping a cable or stripping the surface skin of the break point position of the cable; and the connecting assembly is used for firmly connecting the two metal wires at the break point position of the cable, so that the cable is restored to be conductive.

Preferably, the driving assembly a includes: the square block is arranged on the fixing frame b; the semicircular cylinder is arranged at two ends of the semicircular clamping plate, and a T-shaped groove is formed in the semicircular cylinder; the semicircular clamping block is arranged on the outer side of the semicircular cylinder, and a T-shaped block sliding in the T-shaped groove is arranged in the semicircular clamping block; the L-shaped block is arranged on the semicircular clamping block; a rack plate mounted on the L-shaped block, the rack plate being inserted into the square; and the gear a is arranged in the square block and meshed with the rack plate.

Further, the clamping assembly includes: the fixed block is arranged on the inner side of the semicircular clamping plate; the sliding block is arranged in the fixed block in a sliding way; the arc-shaped clamping block is arranged on the sliding block, and a sliding cavity a and a sliding cavity b are formed in the arc-shaped clamping block; the extrusion rods are arranged in the sliding cavity a in a sliding manner; the cutter is arranged in the sliding cavity b in a sliding manner; the baffle b is arranged on the arc-shaped clamping block; the elastic connecting piece a is arranged between the baffle b and the inner wall of the semicircular clamping plate, a clamping groove is formed in one group of the arc-shaped clamping blocks, and a clamping block inserted into the clamping groove is arranged on the other group of the arc-shaped clamping blocks; and a linear driving part a is arranged on one of the semicircular clamping plates, and the output end of the linear driving part a is connected with the baffle b.

Preferably, the semicircular cylinder is provided with an arc-shaped rack, the L-shaped block is rotatably provided with two sets of gears b meshed with each other, one of the gears b is meshed with the arc-shaped rack, the L-shaped block is arranged on a connecting frame b, the connecting frame b is provided with a rotary driving piece a, and the rotary driving piece a drives one of the gears b to rotate.

Further, the connection assembly includes: the linear driving piece b is arranged in one of the semicircular clamping plates; the moving block is arranged at the output end of the linear driving piece b; the connecting rod is arranged on the moving block, a round groove and a conical guide groove are formed in the connecting rod, the conical guide groove is positioned at two ends of the connecting rod, and the round groove is positioned at the middle end of the connecting rod; a spiral winding portion that drives the metal wires inserted into the circular grooves to be spirally wound together; and the tin adding part is used for adding tin liquid onto the spirally wound metal wires, so that the connection firmness between the two metal wires is improved.

Preferably, the spiral wound portion includes: the linear driving piece c is arranged at two sides of the moving block; the disc is arranged at the output end of the linear driving part c, and a circular chute is formed in the disc; the sliding block is arranged on the circular sliding groove in a sliding manner; the square rod is arranged on the sliding block; the pneumatic telescopic piece is arranged on the square rod; the sliding rod is arranged at the output end of the pneumatic telescopic piece, spiral grooves are formed in the two ends of the connecting rod, and the sliding rod slides in the spiral grooves; and the air bag a is arranged at the middle end of the connecting rod.

Further, the tin adding part includes: the air bag b is arranged in the conical guide groove; an air bag c mounted in the spiral groove; the fixing frame c is arranged on the workbench; the linear driving piece d is arranged on the fixing frame c; and the liquid injection pipe is arranged at the output end of the linear driving piece d.

The invention has the beneficial effects that:

(1) The invention detects whether the cable is broken or not through the break point detection unit, and detects the break point position of the cable; the two metal wires at the break point position of the cable are firmly connected through the wiring unit, and the two metal wires at the break point position of the cable are repaired, so that the cable is recovered to be conductive and used continuously, and resource waste is avoided.

(2) According to the invention, high-pressure gas is introduced into the sliding cavity a to drive the plurality of groups of extrusion rods to extend outwards to extrude and clamp the cable, and the heating plate in the semicircular clamping plate heats the cable, so that the insulating layer of the cable is softened, and the subsequent extrusion and skin cutting are facilitated; the linear driving piece a drives the baffle b to move forwards, the two groups of clamping assemblies clamp the softened cable to extrude to the middle, two metal wires at the break point of the cable are driven to be in touch communication, and current passes through the cable, so that the break point of the cable is confirmed to be positioned between the two groups of clamping assemblies, and the position of the break point of the cable is further confirmed.

(3) According to the invention, high-pressure gas is introduced into the sliding cavity a to drive the plurality of groups of extrusion rods to extend outwards to extrude and clamp the metal wires, the linear driving piece a drives the baffle b to move forwards to drive the two groups of arc-shaped clamping blocks to move in opposite directions to drive the extrusion rods for clamping the metal wires to finish the metal wires, and meanwhile, the rotary driving piece a drives the semicircular clamping plates to rotate to enable the extrusion rods to perform self-spiral finishing on the metal wires so as to drive the metal wires at two ends to be twisted into a whole strip.

(4) According to the invention, the linear driving piece b is used for driving the moving block to move forwards, the connecting rod is driven to move forwards, the round groove corresponds to the position of the self-spiral metal wire, the clamping assembly clamps the cables at two ends to move oppositely, the self-spiral metal wires at two ends are driven to be inserted into the round groove, the air bag a is inflated to expand and clamp two self-spiral metal wires, the pneumatic telescopic piece is used for driving the sliding rod to extend out to be in contact with the two self-spiral metal wires, the sliding rod is driven to slide in the spiral groove, and the sliding rod is used for poking and winding the metal wires, so that the two self-spiral metal wires are spirally wound together.

(5) According to the invention, the semicircular clamping plate is rotated to enable the avoiding hole to correspond to the position of the liquid injection pipe, the linear driving piece d drives the liquid injection pipe to move downwards, the liquid injection pipe is inserted into the spiral groove after being inserted into the avoiding hole, and at the moment, the bottom of the liquid injection pipe is positioned in the circular groove; and (3) filling gas into the air bag b and the air bag c, wherein the air bag b expands to seal the conical guide groove, the air bag c expands to seal the spiral groove, the liquid injection pipe injects molten tin into the circular groove, the spiral winding metal wires absorb the molten tin, and after the molten tin is cooled and solidified, the connection firmness between the two spiral winding metal wires is enhanced, and the subsequent part can be protected by a heat-shrinkable sleeve.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a detecting assembly according to the present invention;

FIG. 3 is a schematic diagram of a wiring unit according to the present invention;

FIG. 4 is an enlarged schematic view of the invention at A in FIG. 3;

FIG. 5 is a schematic view of the T-block and T-slot configuration of the present invention;

FIG. 6 is a schematic view of the rack plate and gear a of the present invention;

FIG. 7 is a schematic cross-sectional view of a semicircular splint of the present invention;

FIG. 8 is an enlarged schematic view of the invention at B in FIG. 7;

FIG. 9 is a schematic view of the linear driving member a and the latch according to the present invention;

FIG. 10 is a schematic view of a connection assembly according to the present invention;

FIG. 11 is a schematic cross-sectional view of a connecting rod of the present invention;

FIG. 12 is a schematic view of a portion of a component of the spiral wrap of the present invention;

FIG. 13 is a schematic view of a connecting rod according to the present invention;

FIG. 14 is a schematic cross-sectional view of an arcuate clamp block of the present invention;

FIG. 15 is a schematic view showing a state of the clamping assembly of the present invention when clamping a cable;

FIG. 16 is a schematic representation of the wire state of the cable of the present invention;

FIG. 17 is a schematic view of the wire state at both ends of the cable of the present invention;

fig. 18 is a schematic view of the inside of the semicircular splint according to the present invention.

Reference numerals

1. A breakpoint detection unit; 11. a work table; 12. a winding and unwinding assembly; 121. a rotating lever; 1211. a detection hole; 122. a baffle a; 13. a U-shaped frame; 14. a tensioning assembly; 141. a connecting frame a; 142. a frame; 143. a guide wheel; 15. a detection assembly; 151. a guide rail; 152. a motion block a; 153. a fixing frame a; 154. a detection pen; 2. a wiring unit; 21. a motion block b; 22. a fixing frame b; 23. a driving assembly a; 231. a square block; 232. a semicircular cylinder; 2321. a T-shaped groove; 233. semicircular clamping blocks; 2331. a T-shaped block; 234. an L-shaped block; 235. rack plate; 236. a gear a; 237. an arc-shaped rack; 238. a gear b; 239. a connecting frame b; 24. a semicircular clamping plate; 240. a rotary driving member a; 25. a clamping assembly; 251. a fixed block; 252. a sliding block; 253. arc clamping blocks; 2531. a clamping groove; 2532. a clamping block; 2533. a sliding cavity a; 2534. a sliding cavity b; 254. an extrusion rod; 255. a cutter; 256. a baffle b; 257. an elastic connection member a; 258. a linear driving member a; 26. a connection assembly; 261. a linear driving member b; 262. a moving block; 263. a connecting rod; 2631. a circular groove; 2632. a tapered guide slot; 2633. a spiral groove; 264. a spiral winding part; 2641. a linear driving member c; 2642. a disc; 26421. a circular chute; 2643. a slide block; 2644. square bar; 2645. a pneumatic telescoping member; 2646. a slide bar; 2647. an air bag a; 265. a tin adding part; 2651. an air bag b; 2652. an air bag c; 2653. a fixing frame c; 2654. a linear driving member d; 2655. and a liquid injection pipe.

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.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

As shown in fig. 1, this embodiment provides a fire-fighting cable detection device, including: the breakpoint detection unit 1, the breakpoint detection unit 1 detects whether a cable is broken or not, and detects the breakpoint position of the cable; the wiring unit 2, the wiring unit 2 connects two metal wires at the break point position of the cable firmly, so that the cable is recovered to be conductive, and it is to be noted that the embodiment detects a single-core cable;

preferably, as shown in fig. 1, the breakpoint detection unit 1 includes: a workbench 11, wherein the workbench 11 is arranged on the ground; the winding and unwinding assemblies 12 are arranged at two sides of the workbench 11, one winding and unwinding assembly 12 is used for winding and unwinding the cable, and power is provided for pulling the cable; a U-shaped frame 13, wherein the U-shaped frame 13 is arranged on the workbench 11; a tensioning assembly 14, the tensioning assembly 14 tensioning the cable; the detection assembly 15 detects whether the cable between the tensioning assemblies 14 is broken or not, and detects the break position of the cable.

Further, as shown in fig. 1, the winding and unwinding assembly 12 includes: a rotating rod 121, wherein the rotating rod 121 is rotatably arranged on the workbench 11, and a detection hole 1211 is formed in the rotating rod 121; baffle plates a122, wherein two groups of baffle plates a122 are arranged on a rotating rod 121, and a driving motor is arranged on the workbench 11 and drives the rotating rod 121 to rotate;

in this embodiment, insulating layers at two ends of the cable are stripped to leak out the metal wires, the metal wires at two ends are inserted into the detection holes 1211, one of the detection holes 1211 is supplied with current, if the other detection hole 1211 can detect the current, the cable is proved to be electrified, no wire breakage condition exists, and the cable is qualified; otherwise, if the other detecting hole 1211 cannot detect the current, the cable is proved to have a broken line condition;

preferably, as shown in FIG. 1, the tensioning assembly 14 includes: the connecting frames a141, two groups of connecting frames a141 are arranged on the workbench 11, and the U-shaped frame 13 is positioned between the two groups of connecting frames a 141; a frame 142, the frame 142 being mounted on the connection frame a 141; the guide wheels 143, two sets of guide wheels 143 are mounted on the frame 142.

Further, as shown in fig. 1 and 2, the detecting assembly 15 includes: a guide rail 151, the guide rail 151 being mounted on the U-shaped frame 13; a moving block a152, wherein the moving block a152 is slidably arranged on the guide rail 151; a fixing frame a153, wherein the fixing frame a153 is arranged on the moving block a 152; the detection pen 154, the detection pen 154 is mounted on the fixing frame a153, and the sliding of the moving block a152 on the guide rail 151 is preferably driven by an air cylinder.

In this embodiment, the cable passes through the two sets of guide wheels 143 in the middle, the moving block a152 slides on the guide rail 151, and the detection pen 154 is aligned with the cable between the two sets of guide wheels 143; one of the detection holes 1211 is supplied with current (is communicated with a live wire), one of the rotation rods 121 is driven by a motor to rotate so as to wind up the cable, the cable is driven to move between the two groups of guide wheels 143, when the breakpoint position of the cable is close to the detection pen 154, the detection pen 154 sends out an alarm signal, and at the moment, the rotation of the rotation rod 121 is stopped, and the breakpoint position of the cable is detected;

it should be noted that: the detecting pen 154 belongs to the prior art, and is also called a test pencil, and can be used for zero fire identification and on-off detection, and is not described in detail herein;

preferably, as shown in fig. 1 to 9, the wiring unit 2 includes: a moving block b21, wherein the moving block b21 is slidably arranged on the guide rail 151; the fixed frame b22, the fixed frame b22 is installed on the moving block b 21; the driving component a23, the driving component a23 is installed on the fixed frame b 22; the semicircular clamping plates 24, two groups of semicircular clamping plates 24 are arranged on one side of the fixing frame b22, and the driving assembly a23 drives the semicircular clamping plates 24 to open or close; the clamping assembly 25 is arranged in the semicircular clamping plate 24, and the clamping assembly 25 is used for clamping a cable or stripping the surface skin of a break point position of the cable; the connecting component 26, the connecting component 26 firmly connects two metal wires at the break point position of the cable, so that the cable is conductive, the movement of the moving block b21 on the guide rail 151 is preferably driven by a cylinder, a heating plate is arranged in the semicircular clamping plate 24, and the heating plate is used for heating the cable.

Further, as shown in fig. 3 to 5, the driving assembly a23 includes: a block 231, the block 231 being mounted on the mount b 22; the semicircular cylinders 232, the semicircular cylinders 232 are arranged at two ends of the semicircular clamping plates 24, and T-shaped grooves 2321 are formed in the semicircular cylinders 232; the semicircular clamping blocks 233, the semicircular clamping blocks 233 are arranged on the outer side of the semicircular cylinder 232, and T-shaped blocks 2331 sliding in the T-shaped grooves 2321 are arranged in the semicircular clamping blocks 233; an L-shaped block 234, the L-shaped block 234 being mounted on the semicircular clamping block 233; rack plates 235, the rack plates 235 being mounted on the L-shaped blocks 234, the rack plates 235 being inserted into the blocks 231; the gear a236 is meshed with the rack plate 235, and a driving motor is arranged in the block 231 and drives the gear a236 to rotate.

Preferably, as shown in fig. 8 and 9, the clamping assembly 25 comprises: a fixing block 251, the fixing block 251 being mounted inside the semicircular clamping plate 24; a sliding block 252, the sliding block 252 being slidably disposed in the fixed block 251; the arc-shaped clamping block 253 is arranged on the sliding block 252, and a sliding cavity a2533 and a sliding cavity b2534 are formed in the arc-shaped clamping block 253; the extrusion rods 254, the multiple groups of extrusion rods 254 are slidably arranged in the sliding cavity a 2533; the cutter 255, the cutter 255 is slidably arranged in the sliding cavity b2534; a baffle b256, the baffle b256 being mounted on the arc-shaped clamping block 253; the elastic connecting piece a257, the elastic connecting piece a257 is arranged between the baffle b256 and the inner wall of the semicircular clamping plate 24, wherein a clamping groove 2531 is formed in one group of arc-shaped clamping blocks 253, and a clamping block 2532 inserted into the clamping groove 2531 is arranged on the other group of arc-shaped clamping blocks 253; the linear driving member a258 is mounted on one of the semicircular clamping plates 24, and the output end of the linear driving member a258 is connected with the baffle b 256.

In this embodiment, the initial state is an expanded state (a distance between the two sets of semicircular clamping plates 24) between the two sets of semicircular clamping plates 24, and at this time, the detection pen 154 is driven to be far away from the cable (for avoiding the semicircular clamping plates 24), the moving block b21 slides on the guide rail 151 to drive the two sets of expanded semicircular clamping plates 24 to move to the cable between the two sets of guide wheels 143, and at this time, the cable corresponds to the positions of the semicircular cylinder 232 and the clamping assembly 25;

the motor drives the gear a236 to rotate so as to drive the two groups of rack plates 235 to move in opposite directions, and the L-shaped blocks 234 drive the two groups of semicircular clamping plates 24 to clamp the cable; at this time, the two sets of semicircular cylinders 232 clamp the cable, the two sets of arc clamping blocks 253 clamp the cable, and the clamping blocks 2532 are inserted into the clamping grooves 2531 (the closed state is shown in fig. 3);

further, as shown in fig. 4 and 5, the semicircular cylinder 232 is provided with an arc-shaped rack 237, the L-shaped block 234 is rotatably provided with two sets of gears b238 meshed with each other, one gear b238 is meshed with the arc-shaped rack 237, the L-shaped block 234 is provided with a connecting frame b239, the connecting frame b239 is provided with a rotary driving member a240, and the rotary driving member a240 drives one gear b238 to rotate.

In the embodiment, high-pressure gas is introduced into the sliding cavity a2533 to drive the plurality of groups of extrusion rods 254 to extend outwards to extrude and clamp the cable, and the heating plate in the semicircular clamping plate 24 heats the cable, so that the insulating layer of the cable is softened, and the subsequent extrusion and skin cutting are facilitated;

the linear driving piece a258 drives the baffle b256 to move forwards, and as the clamping blocks 2532 are inserted into the clamping grooves 2531, the two groups of arc clamping blocks 253 clamping the cable are driven to move in opposite directions (the state of the arc clamping blocks is shown in fig. 15), the two groups of clamping components 25 clamp the softened cable to squeeze towards the middle, so that two wires at the break point of the cable are driven to be in touch communication, and the cable is provided with current to pass through, so that the break point of the cable is confirmed to be positioned between the two groups of clamping components 25, and the position of the break point of the cable is further confirmed;

it should be noted that: the insulation layer of the cable needs to be cut later, and the cutting process is irreversible, so that the position of the break point of the cable is further confirmed;

in this embodiment, negative pressure gas is introduced into the sliding cavity a2533 to drive the extrusion rod 254 to retract inwards to leave the cable, high pressure gas is introduced into the sliding cavity b2534 to drive the cutter 255 to extend outwards to insert the cable insulation layer;

at this time, the rotation driving piece a240 drives the gear b238 to rotate, drives the arc-shaped racks 237 to rotate, drives the two groups of clamped semicircular clamping plates 24 to rotate, and drives the two groups of cutters 255 to rotate so as to rotationally cut the cable insulation layer; pulling the cable to two sides to drive the cut cable insulation layer to drop in the semicircular clamping plate 24 (the semicircular clamping plate 24 can be opened to take out the cable insulation layer later), and exposing the metal wires at two ends of the break point of the cable;

further, as shown in fig. 10-12, the connection assembly 26 includes: a linear driving member b261, the linear driving member b261 being installed in one of the semicircular clamping plates 24; a moving block 262, wherein the moving block 262 is installed at the output end of the linear driving piece b 261; the connecting rod 263, the connecting rod 263 is mounted on the moving block 262, a circular groove 2631 and a conical guide groove 2632 are formed in the connecting rod 263, the conical guide groove 2632 is positioned at two ends of the connecting rod 263, and the circular groove 2631 is positioned at the middle end of the connecting rod 263; a spiral winding portion 264, the spiral winding portion 264 driving the metal wire inserted into the circular groove 2631 to be spirally wound together.

In this embodiment, the wire in the initial state is shown in a state a in fig. 16, high-pressure gas is introduced into the sliding cavity a2533 to drive the multiple groups of extrusion rods 254 to extend outwards to extrude and clamp the wire, the linear driving part a258 drives the baffle B256 to move forwards to drive the two groups of arc-shaped clamping blocks 253 to move in opposite directions, the extrusion rods 254 for clamping the wire are driven to finish the wire, meanwhile, the rotary driving part a240 drives the semicircular clamping plates 24 to rotate, the extrusion rods 254 perform self-spiral finishing on the wire, the wires at two ends are driven to be twisted into a whole strip, so that subsequent winding is facilitated, and the wire after self-spiral finishing is shown in a state B in fig. 16;

further, as shown in fig. 10 to 12, the spiral wound portion 264 includes: a linear driving part c2641, the linear driving part c2641 being installed at both sides of the moving block 262; the disc 2642, the disc 2642 is installed at the output end of the linear driving piece c2641, and a circular chute 26421 is formed in the disc 2642; the sliding block 2643, wherein the sliding block 2643 is arranged on the circular sliding groove 26421 in a sliding way; square bar 2644, square bar 2644 mounted on slider 2643; a pneumatic telescoping member 2645, the pneumatic telescoping member 2645 being mounted on the square bar 2644; the sliding rod 2646, the sliding rod 2646 is arranged at the output end of the pneumatic telescopic piece 2645, the two ends of the connecting rod 263 are provided with spiral grooves 2633, and the sliding rod 2646 slides in the spiral grooves 2633; air bag a 2647. Air bag a2647 is mounted on the middle end of connecting rod 263, and tapered guide groove 2632 is provided for the purpose of facilitating insertion of self-spiral wire into circular groove 2631.

In this embodiment, the linear driving member b261 drives the moving block 262 to move forward, and drives the connecting rod 263 to move forward, so that the circular groove 2631 corresponds to the position of the semicircular cylinder 232, and the circular groove 2631 corresponds to the position of the self-spiral wire, the state of which is shown in fig. 18, the clamping assembly 25 clamps the cables at two ends to move in opposite directions, and drives the wires at two ends to insert into the circular groove 2631, and the wire state is shown in the state of C in fig. 17;

the air bag a2647 is inflated, the air bag a2647 is inflated to clamp two self-spiral metal wires from the middle, the pneumatic telescopic piece 2645 drives the sliding rod 2646 to extend to be in contact with the two self-spiral metal wires, the linear driving piece c2641 drives the two groups of discs 2642 to move to two sides, the sliding block 2643 slides in the circular sliding groove 26421, the square rod 2644 drives the sliding rod 2646 to slide in the spiral groove 2633, the sliding rod 2646 toggles and winds the metal wires, the two self-spiral metal wires are spirally wound together, and the metal wires are in a state shown as a D state in fig. 17;

it should be noted that: in the initial state, the connecting rod 263 is positioned at the bottom of the semicircular clamping plate 24 for avoiding the cable, and the position of the connecting rod is adjusted by the linear driving member b 261.

Regarding the gas path: a micro air compressor can be arranged in the semicircular clamping plate 24 to supply air for the sliding cavity a2533 and the sliding cavity b2534 and the pneumatic telescopic piece 2645, and also can supply air through an external high-pressure air source, which belongs to conventional technical means and is not described in detail.

Example two

As shown in fig. 1, wherein the same or corresponding parts as those in embodiment one are designated by the corresponding reference numerals as those 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 embodiment comprises a tin adding part 265, wherein the tin adding part 265 adds tin liquid to the spirally wound metal wires, so that the connection firmness between the two metal wires is improved;

the tin adding part 265 includes: an air bag b2651, the air bag b2651 being mounted in the tapered guide groove 2632; an air bag c2652, the air bag c2652 being mounted in the spiral groove 2633; a fixing frame c2653, wherein the fixing frame c2653 is installed on the workbench 11; a linear driving member d2654, the linear driving member d2654 being mounted on the fixing frame c 2653; the liquid injection tube 2655, the liquid injection tube 2655 is installed at the output end of the linear driving part d2654, an avoidance hole (not shown in the figure) is formed in one semicircular clamping plate 24, the avoidance hole corresponds to the position of the liquid injection tube 2655, tin liquid can be injected into the liquid injection tube 2655, and the device for providing tin liquid for the liquid injection tube 2655 belongs to the conventional technical means in the prior art and is not described in detail herein;

in this embodiment, the semicircular clamping plate 24 is rotated to make the avoiding hole correspond to the position of the liquid injection tube 2655, the linear driving member d2654 drives the liquid injection tube 2655 to move downwards, the liquid injection tube 2655 is inserted into the spiral groove 2633 after being inserted into the avoiding hole, and at this time, the bottom of the liquid injection tube 2655 is located in the circular groove 2631, and the state is shown in fig. 18;

filling gas into the air bag b2651 and the air bag c2652, expanding the air bag b2651 to seal the conical guide groove 2632, expanding the air bag c2652 to seal the spiral groove 2633, and at the moment, forming a sealed cavity inside the connecting rod 263 to prevent molten tin from flowing out when molten tin is injected;

the liquid injection pipe 2655 injects molten tin into the round groove 2631, the tin is absorbed by the spiral winding metal wires, after the tin is solidified, the connection firmness between the two spiral winding metal wires is enhanced, the heat shrinkage sleeve can be used for protection at the subsequent position, the diameter of the round groove 2631 is larger than that of a cable, the cable is pulled from one side, and the cable is separated from the connecting rod 263 after passing through the round groove 2631.

Working procedure

Step one, a broken wire detection procedure: the insulation layers at the two ends of the cable are stripped to enable the metal wires to leak out, the metal wires at the two ends are inserted into the detection holes 1211, the current is introduced into one detection hole 1211, and if the current can be detected by the other detection hole 1211, the cable can be electrified, the condition of no broken wire is proved, and the cable is qualified; otherwise, if the other detecting hole 1211 cannot detect the current, the cable is proved to have a broken line condition, and then the next step is performed;

step two, breakpoint detection procedure; the cable passes through the space between the two groups of guide wheels 143, the moving block a152 slides on the guide rail 151, and the detection pen 154 is aligned with the cable between the two groups of guide wheels 143; one of the detection holes 1211 is supplied with current (is connected with a live wire);

the motor drives one of the rotating rods 121 to rotate so as to wind up the cable, the cable is driven to move between the two groups of guide wheels 143, when the breakpoint position of the cable is close to the detection pen 154, the detection pen 154 sends an alarm signal, and at the moment, the rotating rod 121 stops rotating, and the breakpoint position of the cable is detected;

step three, clamping procedure: the two groups of semicircular clamping plates 24 in the initial state are in an unfolding state (a distance is reserved between the two groups of semicircular clamping plates 24), the detection pen 154 is driven to be far away from the cable, the moving block b21 slides on the guide rail 151 to drive the two groups of unfolded semicircular clamping plates 24 to move to the cable between the two groups of guide wheels 143, and the cable corresponds to the positions of the semicircular cylinder 232 and the clamping assembly 25;

the motor drives the gear a236 to rotate so as to drive the two groups of rack plates 235 to move in opposite directions, and the L-shaped blocks 234 drive the two groups of semicircular clamping plates 24 to clamp the cable; at this time, the two groups of semicircular cylinders 232 clamp the cable, the two groups of arc clamping blocks 253 clamp the cable, and the clamping blocks 2532 are inserted into the clamping grooves 2531;

step four, breakpoint confirmation procedure: high-pressure gas is introduced into the sliding cavity a2533 to drive the plurality of groups of extrusion rods 254 to extend outwards to extrude and clamp the cable, and the heating plate in the semicircular clamping plate 24 heats the cable, so that the insulating layer of the cable is softened, and the cable is convenient to extrude and cut subsequently;

step five, cutting Pi Gongxu: negative pressure gas is introduced into the sliding cavity a2533 to drive the extrusion rod 254 to retract inwards to leave the cable, high pressure gas is introduced into the sliding cavity b2534 to drive the cutter 255 to extend outwards to insert the cable insulation layer;

at this time, the rotation driving piece a240 drives the gear b238 to rotate, drives the arc-shaped racks 237 to rotate, drives the two groups of clamped semicircular clamping plates 24 to rotate, and drives the two groups of cutters 255 to rotate so as to rotationally cut the cable insulation layer; pulling the cable to two sides to drive the cut cable insulation layer to drop in the semicircular clamping plates 24, and exposing the metal wires at two ends of the break point of the cable;

step six, self-spiral finishing procedure: the wire in the initial state is as shown in the state A in FIG. 16, high-pressure gas is introduced into a sliding cavity a2533, a plurality of groups of extrusion rods 254 are driven to extend outwards to extrude and clamp the wire, a linear driving piece a258 drives a baffle B256 to move forwards, two groups of arc-shaped clamping blocks 253 are driven to move in opposite directions, the extrusion rods 254 clamping the wire are driven to finish the wire, meanwhile, a rotary driving piece a240 drives a semicircular clamping plate 24 to rotate, the extrusion rods 254 perform self-spiral finishing on the wire, the wires at two ends are driven to be twisted into a whole strip, and the wire after self-spiral finishing is as shown in the state B in FIG. 16;

step seven, spiral winding procedure: the linear driving member b261 drives the moving block 262 to move forwards, and drives the connecting rod 263 to move forwards, so that the round groove 2631 corresponds to the position of the semicircular cylinder 232, and at the moment, the round groove 2631 corresponds to the position of the self-spiral metal wire, the clamping assembly 25 clamps the cables at two ends to move oppositely, and the two ends of the self-spiral metal wire are driven to be inserted into the round groove 2631, and the state is shown as a state C in fig. 17;

the air bag a2647 is inflated, the air bag a2647 expands to clamp two self-spiral metal wires, the pneumatic telescopic piece 2645 drives the sliding rod 2646 to extend to be in contact with the two self-spiral metal wires, the linear driving piece c2641 drives the two groups of discs 2642 to move to two sides, the sliding block 2643 slides in the circular sliding groove 26421, the square rod 2644 drives the sliding rod 2646 to slide in the spiral groove 2633, the sliding rod 2646 toggles and winds the metal wires, and the two self-spiral metal wires are spirally wound together, and the state of the sliding rod is shown as a D state in fig. 17;

step eight, tin processing: the semicircular clamping plate 24 is rotated to enable the avoiding hole to correspond to the position of the liquid injection pipe 2655, the linear driving piece d2654 drives the liquid injection pipe 2655 to move downwards, the liquid injection pipe 2655 is inserted into the spiral groove 2633 after being inserted into the avoiding hole, and at the moment, the bottom of the liquid injection pipe 2655 is located in the circular groove 2631;

the air bag b2651 and the air bag c2652 are filled with air, the air bag b2651 is inflated to seal the conical guide groove 2632, the air bag c2652 is inflated to seal the spiral groove 2633, the liquid injection pipe 2655 injects molten tin into the circular groove 2631, the spiral winding metal wires absorb the tin, and after the tin is cooled and solidified, the connection firmness between the two spiral winding metal wires is enhanced.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. A fire cable detection device, comprising:

the breakpoint detection unit (1), the detection unit (1) of the break point detects whether there is broken line of the cable, and detect the break point position of the cable;

the wiring unit (2) is used for firmly connecting the two metal wires at the break point position of the cable, so that the cable is restored to be conductive;

the breakpoint detection unit (1) includes:

a workbench (11), wherein the workbench (11) is arranged on the ground;

the winding and unwinding assemblies (12), and two groups of winding and unwinding assemblies (12) are arranged on two sides of the workbench (11);

the U-shaped frame (13), the U-shaped frame (13) is installed in the middle of the workbench (11);

-a tensioning assembly (14), said tensioning assembly (14) mounted on said table (11) tensioning the cable;

and the detection assembly (15) is used for detecting whether the cable between the tensioning assemblies (14) is broken or not, and detecting the break position of the cable.

2. Fire cable detection device according to claim 1, characterized in that the retraction assembly (12) comprises:

a rotating rod (121), wherein the rotating rod (121) is rotatably arranged on the workbench (11), and a detection hole (1211) is formed in the rotating rod (121);

a baffle plate a (122), wherein two groups of baffle plates a (122) are arranged on the rotating rod (121);

the tensioning assembly (14) comprises:

a connecting frame a (141), wherein two groups of connecting frames a (141) are arranged on the workbench (11);

a frame (142), the frame (142) being mounted on the connection frame a (141);

and the guide wheels (143), and two groups of the guide wheels (143) are arranged on the frame (142).

3. Fire cable detection device according to claim 2, characterized in that the detection assembly (15) comprises:

a guide rail (151), the guide rail (151) being mounted on the U-shaped frame (13);

a moving block a (152), wherein the moving block a (152) is arranged on the guide rail (151) in a sliding way;

a fixing frame a (153), wherein the fixing frame a (153) is installed on the moving block a (152);

and the detection pen (154), wherein the detection pen (154) is arranged on the fixing frame a (153).

4. A fire cable detection device according to claim 3, characterized in that the wiring unit (2) comprises:

a moving block b (21), wherein the moving block b (21) is arranged on the guide rail (151) in a sliding manner;

a fixed frame b (22), wherein the fixed frame b (22) is arranged on the moving block b (21);

a driving assembly a (23), wherein the driving assembly a (23) is installed on the fixing frame b (22);

the semicircular clamping plates (24), two groups of semicircular clamping plates (24) are arranged on one side of the fixing frame b (22), and the driving assembly a (23) drives the semicircular clamping plates (24) to open or close;

the clamping assembly (25) is arranged in the semicircular clamping plate (24), and the clamping assembly (25) is used for clamping a cable or stripping an insulation skin at a break point position of the cable;

and the connecting assembly (26) is used for firmly connecting the two metal wires at the break point position of the cable, so that the cable is restored to be conductive.

5. Fire cable detection device according to claim 4, characterized in that the drive assembly a (23) comprises:

-a block (231), said block (231) being mounted on said mount b (22);

the semicircular cylinder (232), the semicircular cylinder (232) is arranged at two ends of the semicircular clamping plate (24), and a T-shaped groove (2321) is formed in the semicircular cylinder (232);

a semicircular clamping block (233), wherein the semicircular clamping block (233) is arranged at the outer side of the semicircular cylinder (232), and a T-shaped block (2331) sliding in the T-shaped groove (2321) is arranged in the semicircular clamping block (233);

-an L-shaped block (234), the L-shaped block (234) being mounted on the semicircular clamping block (233);

-a rack plate (235), said rack plate (235) being mounted on said L-shaped block (234), said rack plate (235) being inserted into said block (231);

a gear a (236), wherein the gear a (236) arranged in the square block (231) is meshed with the rack plate (235).

6. Fire cable detection device according to claim 5, characterized in that the clamping assembly (25) comprises:

a fixed block (251), wherein the fixed block (251) is arranged on the inner side of the semicircular clamping plate (24);

a sliding block (252), wherein the sliding block (252) is slidably arranged in the fixed block (251);

the arc-shaped clamping block (253), wherein the arc-shaped clamping block (253) is arranged on the sliding block (252), and a sliding cavity a (2533) and a sliding cavity b (2534) are formed in the arc-shaped clamping block (253);

a plurality of groups of extrusion rods (254) are arranged in the sliding cavity a (2533) in a sliding way;

a cutter (255), wherein the cutter (255) is slidably arranged in the sliding cavity b (2534);

a baffle b (256), the baffle b (256) being mounted on the arc-shaped clamping block (253);

the elastic connecting pieces a (257), the elastic connecting pieces a (257) are arranged between the baffle b (256) and the inner wall of the semicircular clamping plate (24), clamping grooves (2531) are formed in one group of the arc-shaped clamping blocks (253), and clamping blocks (2532) inserted into the clamping grooves (2531) are arranged on the other group of the arc-shaped clamping blocks (253);

and the linear driving part a (258) is arranged on one semicircular clamping plate (24), and the output end of the linear driving part a (258) is connected with the baffle b (256).

7. The fire cable detection device as set forth in claim 6, wherein the semicircular cylinder (232) is provided with an arc-shaped rack (237), two sets of gears b (238) meshed with each other are rotatably provided on the L-shaped block (234), one of the gears b (238) is meshed with the arc-shaped rack (237), the L-shaped block (234) is mounted on a connection frame b (239), and the connection frame b (239) is provided with a rotary driving member a (240), and the rotary driving member a (240) drives one of the gears b (238) to rotate.

8. The fire cable detection device as claimed in claim 7, characterized in that the connection assembly (26) comprises:

a linear drive b (261), the linear drive b (261) being mounted within one of the semi-circular clamping plates (24);

a moving block (262), wherein the moving block (262) is installed at the output end of the linear driving piece b (261);

the connecting rod (263) is arranged on the moving block (262), a circular groove (2631) and a conical guide groove (2632) are formed in the connecting rod (263), the conical guide groove (2632) is positioned at two ends of the connecting rod (263), and the circular groove (2631) is positioned at the middle end of the connecting rod (263);

a spiral winding portion (264), the spiral winding portion (264) spirally winding together two metal wires inserted into the circular groove (2631);

and a tin adding part (265), wherein the tin adding part (265) adds tin liquid onto the spirally wound metal wires, so that the connection firmness between the two metal wires is improved.

9. The fire cable detection device as set forth in claim 8, wherein the spiral winding (264) includes:

a linear driving member c (2641), the linear driving member c (2641) being installed at both sides of the moving block (262);

the disc (2642), the disc (2642) is installed at the output end of the linear driving piece c (2641), and a circular sliding groove (26421) is formed in the disc (2642);

the sliding block (2643) is arranged on the circular sliding groove (26421) in a sliding mode;

-a square bar (2644), said square bar (2644) being mounted on said slider (2643);

-a pneumatic telescopic (2645), said pneumatic telescopic (2645) being mounted on said square bar (2644);

the sliding rod (2646), the sliding rod (2646) is arranged at the output end of the pneumatic telescopic piece (2645), spiral grooves (2633) are formed in the two ends of the connecting rod (263), and the sliding rod (2646) slides in the spiral grooves (2633);

and an air bag a (2647), wherein the air bag a (2647) is arranged at the middle end of the connecting rod (263).

10. The fire cable detection device as claimed in claim 9, characterized in that the tin adding part (265) comprises:

an air bag b (2651), wherein the air bag b (2651) is installed in the conical guide groove (2632), and the air bag b (2651) is inflated to seal the conical guide groove (2632);

a balloon c (2652), the balloon c (2652) being mounted within the helical groove (2633), the balloon c (2652) being inflated to close the helical groove (2633);

a mount c (2653), the mount c (2653) being mounted on the table (11);

a linear drive d (2654), the linear drive d (2654) being mounted on the mount c (2653);

and a liquid injection pipe (2655), wherein the liquid injection pipe (2655) is arranged at the output end of the linear driving part d (2654).