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CN106546779A - Cable testing apparatus - Google Patents

Cable testing apparatus Download PDF

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Publication number
CN106546779A
CN106546779A CN201611004490.8A CN201611004490A CN106546779A CN 106546779 A CN106546779 A CN 106546779A CN 201611004490 A CN201611004490 A CN 201611004490A CN 106546779 A CN106546779 A CN 106546779A
Authority
CN
China
Prior art keywords
plate
cable
gathering sill
pressing plate
clamp portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611004490.8A
Other languages
Chinese (zh)
Other versions
CN106546779B (en
Inventor
许强
赵风西
李荣驰
王峰
王涛
李守华
赵慧斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningjin Power Supply Company State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Original Assignee
Ningjin Power Supply Company State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningjin Power Supply Company State Grid Shandong Electric Power Co, State Grid Corp of China SGCC filed Critical Ningjin Power Supply Company State Grid Shandong Electric Power Co
Priority to CN201611004490.8A priority Critical patent/CN106546779B/en
Publication of CN106546779A publication Critical patent/CN106546779A/en
Application granted granted Critical
Publication of CN106546779B publication Critical patent/CN106546779B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention provides a kind of cable testing apparatus, it include fixed station and be fixedly mounted on pedestal or fixed station on hold-down mechanism.Multiple clamp portions are distributed with left-right direction in the upper surface of the fixed station, and the cable draw-in groove for being turned in front and back upwards is provided with the upper surface in the clamp portion.The hold-down mechanism includes the pressing plate relative with the clamp portion, is provided with elastic insulating layer in the pressing plate towards on the end face in the clamp portion;The hold-down mechanism can drive the pressing plate rectilinear movement in vertical direction.Which causes experimental test process, it is simple to operate, quick, improve operating efficiency, its fixation and reliability to cable, false failure rate can be reduced, the security of testing experiment is enhanced, in addition the setting of this device, makes testing experiment no longer need to gather materials on the spot to be supported cable, so making test process reduce the dependence of site environment.

Description

Cable testing apparatus
Technical field
The present invention relates to wireline test frock field, more particularly to one kind for carrying out experimental test to high-tension cable when , for realizing supporting fixed device to high-tension cable.
Background technology
Cable be typically by several or several groups of wire strandings similar rope electric wire, between every group of wire mutually absolutely Edge, and be often twisted into around a center, whole outside is surrounded by the coating of high-insulation.
Be erected at aerial more cable or be buried underground, it is water-bed, for completing telecommunication or power Transmission, so cable is logical The disconnected safe and stable operation for being directly connected to whole electrical network and communication system.In view of cable break-make is to transmission of electricity and the weight for communicating The construction complex of the property wanted and erecting cable or embedding work, needs to carry out cable in the work progress of cable arrangements The multinomial testing experiment such as charged insulating resistance, conducting resistance and pressure test.
Work currently for the experimental test of cable, also there is no special experimental test supporting adn fixing device.Real operation Wooden case or other insulants at Shi Duoyong scenes arrives liftoff certain altitude by cable trough high, and is pressed with other insulation articles The tight stable rear on wooden case or other insulants starts test, and having surveyed one when surveying another again needs constantly to repeat aforementioned Fixed operation.As the experimental test process at present in cable has that efficiency is low, affected larger, dangerous by indoor and outdoor surroundingses The defects such as difference, and be easy to occur surveying or occurring accident by mistake in test process, so a kind of Special test of cable of design Test device, it appears particularly important.
The content of the invention
For above-mentioned the sayed many defects left during wireline test, the invention provides a kind of cable testing Device, can make testing experiment the dependence of environment be reduced, be improved the efficiency of test, reduce false failure rate, increase by the device The strong security of testing experiment.
For achieving the above object and other related purposes, the invention provides a kind of cable testing apparatus, which includes fixing Platform and the hold-down mechanism on being fixedly mounted on pedestal or fixed station.It is distributed with the upper surface of the fixed station in left-right direction Multiple clamp portions, are provided with the cable draw-in groove for being turned in front and back upwards in the upper surface in the clamp portion.The hold-down mechanism includes There is the pressing plate relative with the clamp portion, be provided with elastic insulating layer in the pressing plate towards on the end face in the clamp portion;It is described Hold-down mechanism can drive the pressing plate rectilinear movement in vertical direction.
Preferably, the hold-down mechanism takes hydraulic transmission mode to drive the pressing plate vertical lift.
Preferably, to the U-type groove for turning on before and after the lower surface of the pressing plate is provided with, the elastic insulating layer is inlaid in institute State in U-type groove.
Preferably, the hold-down mechanism takes the spindle motor kind of drive to drive the pressing plate vertical lift.
Preferably, the hold-down mechanism include spindle motor, be located at the fixed station upper surface left and right sides and be located at The guide rod on the outside of clamp portion and fixed plate that the left and right sides is arranged.
The lower end of the guide rod is connected with fixed station, and upper end is connected with the fixed plate;The spindle motor is arranged on institute State in fixed plate.
Axis via vertically is set in the fixed plate, the leading screw of the spindle motor is through after the via Extend downwardly and coordinate with the feed screw nut on the pressing plate.
The guide rod that the left and right sides of the pressing plate is arranged with homonymy respectively is can coordinate in the way of Relative vertical slip.
Preferably, linear bearing corresponding with the guide rod is fixed with respectively in the left and right sides of the pressing plate.
Preferably, the fixed station includes the supporting leg for being placed in the left and right sides and is separately fixed at the supporting leg forward and backward two The forward and backward clamping plate of side.On the front plate and rear plate, gathering sill relative on fore-and-aft direction is set.Before the gathering sill Penetrating afterwards and flute length extends in left-right direction.
The clamp portion is slide block.It is respectively provided with the forward and backward both ends of the surface of the slide block and matches with the gathering sill of phase homonymy Wing plate, the free end of the wing plate stretches out through after the gathering sill.
Preferably, a positioning is set on the wing plate being connected on the front end face or rear end face in the clamp portion at least Portion, the location division adjustably can be relatively fixed to the wing plate on the front plate or rear plate.
Preferably, the location division includes I-beam, positioning screw and spring.
The correspondence location division, at least on the wing plate being connected on the front end face or rear end face in the clamp portion, and The gathering sill for extending along the longitudinal direction is set in wing plate and the end face that clamp portion coordinates, is set along front in the outer face of the wing plate The screwed hole that rear direction extends, the screwed hole are connected with the gathering sill.
The I-beam is configured in the gathering sill, the web of the I-beam is embedded in the gathering sill, two The transverse slat at end is relative with the outer face of the front plate or rear plate.
The positioning screw is configured in the screwed hole, is provided with and positioning in the screw rod free end of the positioning screw The light bar portion of screw coaxial, the smooth bar portion be at least two stepwise masts and from light bar portion away from positioning screw one end it is each inwardly The external diameter of rank progressively reduces.
Blind hole is set on the web of the I-beam, and the blind hole is matched with the free end of the smooth bar portion;Described The spring is arranged in light bar portion, the spring is clamped between the positioning screw and the web of I-beam.
Preferably, the wing plate is in bar tabular or cylindric.
When the wing plate is in bar tabular, the long bearing of trend of plate for making wing plate is left and right to wing plate correspondence is at gathering sill Plate body upper and lower end plane contact with the upper and lower side channel wall of the gathering sill respectively.
When the wing plate is cylindrical, wing plate correspondence is led with described respectively in the upper and lower side plane of cylinder at gathering sill To the upper and lower side channel wall contact of groove.
As described above, cable testing apparatus involved in the present invention have the advantages that:
Which passes through hold-down mechanism makes pressing plate realize in vertical direction moving back and forth up and down, and is arranged when moving down on pressing plate lower surface Elastic insulating layer and the conductive cable contacts being embedded in the cable draw-in groove in clamp portion, and one end of cable is fixed on fixed station. The identical device is arranged by the other end in cable, the other end of cable is supported and is fixed.After being completed, make on pressing plate Shifting just can release restriction of the pressing plate to cable, and cable is removed.Which causes experimental test process, simple to operate, quick, improves Operating efficiency, its fixation and reliability to cable, can reduce false failure rate, enhance the security of testing experiment, in addition The setting of this device, makes testing experiment no longer need to gather materials on the spot to be supported cable, so making test process to scene The dependence of environment is reduced.
The guide rod by being fixed on fixed station to pressing plate move up and down be oriented to when, be conducive to making pressing plate entirety Keep the lifting displacement under horizontality such that it is able to which guarantee is arranged at the cable in the clamp portion of the fixed station left and right sides, quilt It is clamped securely.
When arranging U-type groove and elastic insulating layer being inlaid in U-type groove in the lower surface of pressing plate, in elastic insulating layer pair When cable applies pressure and acts on, elastic insulating layer can be made when being squeezed, elastic insulated layer material inwardly amass wealth by heavy taxation rather than Disperse to external expansion, be conducive to improving the compression effect to cable, can particularly significantly improve and be opposite to fixed station or so two The clamping force of the cable in the clamp portion of side.
Clamp portion is set to slide block form, and when being clamped between forward and backward clamping plate, can be according to the external diameter of cable Size, the sets requirement of test parameters, purposes of cable etc., the spacing between adjacent two cable to be tested of reasonable adjusting, help In the scope of application for improving this device, versatility is improved.Especially for wing plate and clamping plate in clamp portion(Front plate and/or Rear plate)After location division is set, clamp portion can be made to be relatively fixed platform and to realize fixing, be prevented during experimental test, error After touching the clamp portion of slide block form, cause the spacing between adjacent two cable to diminish, cause the inaccurate of test data or Caused safety problem.
Description of the drawings
Fig. 1 is a kind of three-dimensional axonometric schematic diagram of cable testing apparatus involved in the present invention under embodiment;
Fig. 2 is the part section structural representation of cable testing apparatus involved in the present invention under above-mentioned embodiment;
Fig. 3 is the main structure diagram of the cable testing apparatus involved in the present invention fixed station under another embodiment;
Fig. 4 is the side structure schematic view in the cable testing apparatus involved in the present invention clamp portion under mode shown in Fig. 3;
Fig. 5 is the schematic diagram of cable testing apparatus involved in the present invention under mode shown in Fig. 3 during clamp portion configuration cable;
Fig. 6 is cable testing apparatus involved in the present invention in the section that pressing plate when pressing plate is lifted is controlled using hydraulic driving mode Structural representation;
Fig. 7 be cable testing apparatus involved in the present invention under pressure plate structure shown in Fig. 6, compress the cable of placement in clamp portion When view;
Fig. 8 be cable testing apparatus involved in the present invention under mode shown in Fig. 3, wing plate, front plate and I-beam three it Between assembled relation schematic diagram;
Fig. 9 be cable testing apparatus involved in the present invention under Fig. 8 structures, wing plate, matching somebody with somebody between I-beam and bolt Close structural representation;
Figure 10 is the schematic cross-section along hatching line direction shown in Fig. 9;
Figure 11 is cable testing apparatus involved in the present invention, when only on front plate or rear plate, location division is set, clamp Attachment structure schematic diagram before and after portion between the main body in both sides wing plate and clamp portion.
In figure:
1st, fixed station 2, linear bearing
3rd, guide rod 4, fixed plate
5th, spindle motor 6, feed screw nut
7th, pressing plate 71, arch sheet
8th, elastic insulating layer 9, cable
10th, clamp portion 101, wing plate
1011st, screwed hole 1012, flange plate
102nd, I-beam 1021, blind hole
103rd, bolt 1031, light bar portion
104th, spring 105, stretching screw
11st, front plate 12, rear plate
13rd, gathering sill 14, scale
Specific embodiment
Structure, ratio, size depicted in Figure of description etc., only to coordinate the content disclosed in specification, with Understand and read for those skilled in the art, be not limited to enforceable qualifications of the invention, therefore do not have technically Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are can be generated the present invention is not being affected Under effect and the purpose that can reach, still all should fall in the range of disclosed technology contents can be covered.Meanwhile, In this specification it is cited such as " on ", D score, "front", "rear", "left", "right", the term such as " centre ", be merely convenient to chat That what is stated understands, and is not used to limit enforceable scope of the invention, and being altered or modified for its relativeness is changing skill without essence Hold in art, when being also considered as enforceable category of the invention.
A kind of cable testing apparatus as shown in Figure 1, which includes fixed station 1 and is fixedly mounted on fixed station or pedestal Hold-down mechanism.Overall can the adopting of the fixed station 1 is made from an insulative material.In the upper surface of the fixed station 1 along right and left It is multiple to being distributed with(Including one)Clamp portion 10, to the strain relief clamp for turning on before and after the upper surface in the clamp portion 10 is provided with Groove, the cable draw-in groove can be arc groove or semicolumn groove, but which arranges and needs to ensure when cable is placed in strain relief clamp When in groove, the top of cable 9 is that the upper port of relative cable draw-in groove upwardly extends certain altitude, that is, need to ensure cable 9 Top extends outwardly certain distance with respect to the upper end in clamp portion.So when cable draw-in groove is semicolumn groove, semicolumn groove Diameter should be less than the diameter of cable.
The hold-down mechanism includes the pressing plate 7 relative with the clamp portion 10, in the pressing plate 7 towards the clamp portion 10 end face(The lower lower surface for pressing plate 7 of diagram)It is provided with elastic insulating layer 8.The hold-down mechanism can be in vertical direction The pressing plate 7 is driven to move linearly.The elastic insulating layer 8 of setting is needed according to the outwardly part of the relative cable draw-in groove of cable Highly determining specific thickness.
For the fixed station 1, the clamp portion 10 for arranging thereon should at least be made up of insulating materials, be surveyed with guarantee test The safety of examination operation.
Which passes through hold-down mechanism makes pressing plate 7 realize in vertical direction moving back and forth up and down, when moving down on pressing plate lower surface The elastic insulating layer 8 of setting is contacted with the cable 9 being embedded in the cable draw-in groove in clamp portion 10, and one end of cable 9 is fixed On fixed station.The identical device is arranged by the other end in cable, the other end of cable is supported and is fixed.It is completed Afterwards, make to move on pressing plate 7 and just can release restriction of the pressing plate 7 to cable 9, cable 9 is removed.Which causes experimental test process, operation Simply, fast, operating efficiency is improve, its fixation and reliability to cable can reduce false failure rate, enhance test examination The security tested, the in addition setting of this device make testing experiment no longer need to gather materials on the spot to be supported cable, so making Test process is reduced to the dependence of site environment.
The hold-down mechanism can take the spindle motor kind of drive to drive 7 vertical line of the pressing plate lifting.
As shown in Figure 1 and Figure 2:The hold-down mechanism includes spindle motor 5, is located at the 1 upper surface left and right sides of the fixed station And positioned at the left and right sides arrange clamp portion 10 on the outside of guide rod 3 and fixed plate 4.The lower end of the guide rod 4 and fixed station 1 Connection, upper end are connected with the fixed plate 4, and fixed plate 4 is supported in horizontal plane.The spindle motor 5 is arranged on described solid The upper surface center of fixed board 4.Axis via vertically, the silk of the spindle motor 5 are set in the fixed plate 4 Thick stick is extended downwardly through after the via and the feed screw nut 6 on the pressing plate 7(Feed screw nut 6 needs certain Axially vertical length, the length are not preferably less than the vertical stroke of pressing plate 7)Coordinate.The left and right sides of the pressing plate 7 respectively with homonymy The guide rod 3 of setting by can Relative vertical slide in the way of coordinate, as half can be respectively provided with the left and right sides of the pressing plate 7 Circular groove, the outer wall of guide post 3 are inlaid in half slot, and the internal diameter of half slot is consistent with the external diameter of 3 lower end of guide post.
In Fig. 1, it is to be respectively provided with through hole axially in vertical direction in the left and right sides of the pressing plate 7, guide post 3 Lower end is connected with fixed station 1 through after through hole, in order to improve the smoothness slided between guide post 3 and aforementioned through-hole, in through hole Linear bearing 2 with the matching guide bars is fixed with inside.
The hold-down mechanism can also take hydraulic transmission mode to drive 7 vertical line of pressing plate lifting, now pressing plate 7 Structure can be form as shown in Figure 6, Figure 7.Now can also make the left and right sides of pressing plate 7 as in fig. 1, by guide rod 3 with Fixed station 1 establishes a connection, and ensures that pressing plate 7 is overall and maintains enough levelness in lifting process all the time, and then to protect The suitable logical of the card lifting of pressing plate 7 is stablized.
As shown in Figure 6, Figure 7, the U-type groove for being turned in front and back upwards is provided with the lower surface of the pressing plate 7, the elasticity is absolutely Edge layer 8 is inlaid in the U-type groove.Now, when elastic insulating layer 8 applies pressure to cable 9 to be acted on, can make elastic exhausted Edge layer 8 when being squeezed, inwardly amass wealth by heavy taxation rather than disperse to external expansion, is conducive to improving to cable 9 by elastic insulated layer material Compression effect, can particularly significantly improve the cable 9 being opposite in the clamp portion 10 of 1 left and right sides of fixed station clamping make Firmly.
As shown in Figure 6, Figure 7, using hydraulically powered form and when hydraulic stem is connected to the center of pressing plate 7, Benefit sets arch hole between the front/rear end of pressing plate 7, and installs an arch sheet 71 in arch hole in an interference fit, makes The bends cambered surface of arch sheet 71 is upward.
As shown in Fig. 3 to 5, the fixed station 1 includes the supporting leg for being placed in the left and right sides and is separately fixed at the supporting leg The forward and backward clamping plate of front and rear sides(That is front plate 11, rear plate 12), two clamping plate length directions left and right upwardly extend.Supporting leg can Think that the supporting leg that height can be adjusted can also be the supporting leg of regular length.On the front plate 11 and rear plate 12, arrange Upper relative gathering sill 13 on fore-and-aft direction.The gathering sill 13 is penetrating in the longitudinal direction and the flute length of gathering sill 13 is along left and right Direction extends.Now, the clamp portion 10 is slide block, is respectively provided with the forward and backward both ends of the surface of the slide block and leads with phase homonymy To the wing plate 101 of the matching of groove 13, the free end of the wing plate 101 stretches out through after the gathering sill 13.By stirring wing Plate 101 can promote the rectilinear movement with gathering sill 13 as track or so of clamp portion 10.
When clamp portion 10 is slide block form, the number in preferred clamp portion 10 is more than 3.
As shown in Fig. 3 to 5, the wing plate 101 is in bar tabular, now make the long bearing of trend of plate of wing plate 101 for left and right to, The upper and lower end plane of one section plate body of the correspondence of wing plate 101 at gathering sill 13 upper and lower side channel wall respectively with the gathering sill 13 Contact.
As shown in figure 8, the wing plate 101 is cylindrical, one section cylinder of the correspondence of wing plate 101 at gathering sill 13 is now made Upper and lower side plane contact with the upper and lower side channel wall of the gathering sill 13 respectively.
Coordinate why the part contact that wing plate 101 is associated with gathering sill 13, it is therefore an objective to control clamp portion 10 as far as possible and exist Amount of movement in vertical direction, during ensureing that pressing plate 7 is acting downwardly in clamp portion 10, the chip hold down had by cable.
Clamp portion 10 to enable slide block form is relatively fixed platform 1 and fixes.The clamp portion 10 should be connected at least Front end face or rear end face on wing plate 101 on a location division is set, the location division can adjustably by the wing plate 101 It is relatively fixed on the front plate 11 or rear plate 12 of the fixed station 1.
As shown in figure 3, scale 14 is provided with front plate 11, can triangle pointer be set on wing plate 101 accordingly, so as to Accuracy to 10 position adjustments of clamp portion, uniformity can conveniently be realized.
As shown in Fig. 8 to 11, the location division includes I-beam 102, positioning screw 103 and spring 104.As shown in figure 8, On the wing plate 101 of front end face for being connected to the clamp portion 10, and set on the end face that wing plate 101 is coordinated with clamp portion 10 Put the gathering sill for extending along the longitudinal direction(Extend before and after gathering sill in diagram and be vertically arranged, it should be pointed out that can also make guiding Before and after groove, extending level is arranged), the screwed hole 1011 for extending along the longitudinal direction, the spiral shell are set in the outer face of the wing plate 101 Pit 1011 is connected with the gathering sill.The I-beam 102 is configured in the gathering sill, the abdomen of the I-beam 102 is made Plate is embedded in the gathering sill, and the transverse slat at two ends is relative with the outer face of the front plate 11.
Extend before and after the gathering sill shown in diagram 8 in the case of being vertically arranged, the transverse slat of the upper and lower side of I-beam 102 is needed Edge upper part and the bottom of gathering sill 13 are extended to accordingly.And work as gathering sill and arrange for extending level in front and back(With respect in Fig. 8 Situation is vertical)When, the transverse slat width of the upper and lower side of I-beam 102(Left and right is shown as in Fig. 8 to size)It is greater than gathering sill 13 Groove width.
As shown in Figs. 9 to 11, the positioning screw 103 is configured in the screwed hole 1011, in the positioning screw 103 Screw rod free end be provided with the light bar portion 1031 coaxial with positioning screw 103, the smooth bar portion 1031 be two stepwise masts and Progressively reduce from external diameter of the light bar portion 1031 away from one end each rank inwardly of positioning screw 103.In the I-beam 102 Blind hole 1021 is set on web, and the blind hole 1021 is matched with the free end of the smooth bar portion 1031(Inside and outside footpath is consistent).Institute State and in light bar portion 1031, be arranged the spring 104, make the spring 104 be clamped in the positioning screw 103 and I-beam 102 Web between.
During assembling, first clamping part 10 is placed between forward and backward clamping plate 11,12, wing plate 101 by gathering sill forward, backward Pass, then in front and back's clamping plate 11,12 can be arranged on the supporting leg top of fixed station 1.If being provided with the positioning of above-mentioned form During portion, when being placed in clamping part 10 between forward and backward clamping plate 11,12, the wing plate 101 on front plate 11 can not be first installed, but After in gathering sill on the wing plate 101 that I-beam 102 is loaded front side after a while, then the wing plate 101 is connected to into clamp portion 10 Main body on, as shown in figure 11, can be completed with the flange plate 1012 being arranged on wing plate 101 by stretching screw 105, can also be glued Connect in succession.
After the completion of assembling, effect pressure of the spring 104 to 102 web of I-beam can be controlled by screwing positioning screw 103 The size of power, so as to adjust the relative actuating pressure between I-beam 102 and 11 end face of front plate.
After further optimizing, wired or control device of wireless can be added in this device, in order to complete behaviour at a distance Make, ensure operating personnel from the enough safe distances of cable, the fixed station does earth-continuity connection, in electric leakage to operation Personnel play preferably protection.
In sum, the invention enables experimental test process, simple to operate, quick, operating efficiency is improve, which is to cable Fixation and reliability, false failure rate can be reduced, the security of testing experiment is enhanced, the setting of this device, makes survey in addition Have a try to test and gather materials on the spot to be supported cable, so making test process reduce the dependence of site environment. So, the present invention effectively overcomes some practical problems of the prior art so as to having very high value and using meaning.
The principle and its effect of the above-mentioned embodiment only illustrative present invention, it is of the invention not for limiting.This It is bright to also have many aspects be improved on the premise of without prejudice to overall thought, for those skilled in the art all can be Without prejudice under the spirit and the scope of the present invention, modifications and changes can be carried out to above-described embodiment.Therefore, art such as All equivalent modifications that middle tool usually intellectual is completed under without departing from disclosed spirit and technological thought or Change, should be covered by the claim of the present invention.

Claims (10)

1. a kind of cable testing apparatus, it is characterised in that:Including fixed station and hold-down mechanism, on the upper surface edge of the fixed station Left and right directions is distributed with multiple clamp portions, to the cable draw-in groove for turning on before and after the upper surface in the clamp portion is provided with;The pressure Tight mechanism includes the pressing plate relative with the clamp portion, is provided with elastic exhausted in the pressing plate towards on the end face in the clamp portion Edge layer;The hold-down mechanism can drive the pressing plate movement in vertical direction.
2. cable testing apparatus according to claim 1, it is characterised in that:The hold-down mechanism takes hydraulic transmission mode Drive the pressing plate vertical lift.
3. cable testing apparatus according to claim 1, it is characterised in that:Before and after the lower surface of the pressing plate is provided with to The U-type groove of conducting, the elastic insulating layer are inlaid in the U-type groove.
4. cable testing apparatus according to claim 1, it is characterised in that:The hold-down mechanism takes spindle motor to be driven Mode drives the pressing plate vertical lift.
5. cable testing apparatus according to claim 4, it is characterised in that:The hold-down mechanism includes spindle motor, sets The fixed station upper surface left and right sides and positioned at the left and right sides arrange clamp portion on the outside of guide rod and fixed plate;Institute The lower end for stating guide rod is connected with fixed station, and upper end is connected with the fixed plate;The spindle motor is arranged in the fixed plate; Axis via vertically is set in the fixed plate, the leading screw of the spindle motor is extended downwardly through after the via Coordinate with the feed screw nut on the pressing plate;The guide rod that the left and right sides of the pressing plate is arranged with homonymy respectively is with can The mode that Relative vertical slides coordinates.
6. cable testing apparatus according to claim 5, it is characterised in that:Fixed in the left and right sides of the pressing plate respectively It is provided with linear bearing corresponding with the guide rod.
7. cable testing apparatus according to claim 1, it is characterised in that:The fixed station includes being placed in the left and right sides Supporting leg and it is separately fixed at the forward and backward clamping plate of the supporting leg front and rear sides;On the front plate and rear plate, before setting Relative gathering sill in rear direction;The gathering sill is penetrating in the longitudinal direction and flute length extends in left-right direction;The clamp Portion is slide block, and the wing plate matched with the gathering sill of phase homonymy is respectively provided with the forward and backward both ends of the surface of the slide block, the wing plate Free end stretches out through after the gathering sill.
8. cable testing apparatus according to claim 7, it is characterised in that:At least in the front end for being connected to the clamp portion One location division is set on the wing plate on face or rear end face, and the wing plate adjustably can be relatively fixed to institute by the location division State on front plate or rear plate.
9. cable testing apparatus according to claim 8, it is characterised in that:The location division includes I-beam, positioning spiral shell Bar and spring;
The correspondence location division, at least on the wing plate being connected on the front end face or rear end face in the clamp portion, and in wing Plate arranges the gathering sill for extending along the longitudinal direction with the end face that clamp portion coordinates, and sets along front and back in the outer face of the wing plate To the screwed hole for extending, the screwed hole is connected with the gathering sill;
The I-beam is configured in the gathering sill, the web of the I-beam is embedded in the gathering sill, two ends Transverse slat is relative with the outer face of the front plate or rear plate;
The positioning screw is configured in the screwed hole, is provided with and positioning screw in the screw rod free end of the positioning screw Coaxial light bar portion, the smooth bar portion are at least two stepwise masts and from light bar portion away from one end of positioning screw each rank inwardly External diameter progressively reduces;
Blind hole is set on the web of the I-beam, and the blind hole is matched with the free end of the smooth bar portion;In the polished rod The spring is arranged in portion, the spring is clamped between the positioning screw and the web of I-beam.
10. cable testing apparatus according to claim 7, it is characterised in that:The wing plate is in bar tabular or cylindric;
When the wing plate is in bar tabular, the long bearing of trend of plate for making wing plate is left and right to wing plate correspondence at gathering sill The upper and lower end plane of section plate body is contacted with the upper and lower side channel wall of the gathering sill respectively;
When the wing plate is cylindrical, the upper and lower side plane of one section cylinder of the wing plate correspondence at the gathering sill respectively with it is described The upper and lower side channel wall contact of gathering sill.
CN201611004490.8A 2016-11-15 2016-11-15 Cable testing apparatus Expired - Fee Related CN106546779B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611004490.8A CN106546779B (en) 2016-11-15 2016-11-15 Cable testing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611004490.8A CN106546779B (en) 2016-11-15 2016-11-15 Cable testing apparatus

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Publication Number Publication Date
CN106546779A true CN106546779A (en) 2017-03-29
CN106546779B CN106546779B (en) 2019-06-28

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