CN205691414U - A kind of power cable strength tester with built-up jig - Google Patents

Abstract

The utility model discloses a kind of power cable strength tester with built-up jig, this power cable strength-testing machine with built-up jig carries out the strength test stretching or compressing by the design of two fixtures；Cleft hand fixture uses pawl sliding to fix cable, position-limit mechanism can in the active procedure of pawl left swing or right pendulum spacing, restriction pawl that can be good, do not allow its voluntary activity, ensure that firm stable during clamping, during reset, avoid maloperation to close up the hands crushing user；The disk-like structure of disk clamp, cable therefrom between insert, Snap ring structure in layer can be fixed by clamping cables, layer structure mutually restricts and is difficult to the dislocation that gets loose, compress when being rotated by the arcwall of outside turntable or loosen snap ring and realize fastening, the stroke rotated is relatively long, can slowly fasten cable and avoid damaging cable, it is to avoid damage cable and have influence on the firmness of clamping so that deviation occurs in test data.

Description

A kind of power cable strength tester with built-up jig

Technical field

This utility model relates to Electric Design field, especially relates to a kind of power cable intensity examination with built-up jig Test machine.

Background technology

In Electric Design field, domestic power department is puted forth effort to study transmission facility and electric power associated mechanical, but these grind Study carefully emphasis often emphasis to control at mechanism's design aspect, the handle but ignoring the most basic cable quality of power transmission aspect.? In most basic transmission line of electricity, power cable quality is uneven, and long-time use also exists great potential safety hazard, if electric power Damaging occurs in cable, and either country or social undertakings, all can suffer certain economic loss, and more likely entail dangers to is to people The safety of member, therefore the quality of testing power cable is extremely important.For testing experiment machine, its fixture is overall crucial group Becoming part, good clamp structure can improve several parts such as power cable entirety or insulating barrier, screen layer, protective layers Clamping effect, do not get loose in exercise test and do not misplace, it is ensured that test data accurate, obtain reliable result.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, be conducive to electric power electricity Cable firmly clamps, coordinates the combination that has realizing accurately testing the intensity of power cable or its ingredient to press from both sides The power cable strength-testing machine of tool.

This utility model is by the following technical solutions: a kind of power cable strength tester with built-up jig, including Servomotor, drive link, pan carriage, U-shaped frame, disk clamp and cleft hand fixture, a sidewall of U-shaped frame arranges many groups of symmetry Servomotor, servomotor arranges drive link, and the other end of drive link is rotatably arranged on another sidewall of U-shaped frame, On drive link can left and right movable pan carriage is set；Disk clamp is arranged on pan carriage left surface, and cleft hand fixture is arranged on U-shaped frame Upper corresponding with disk clamp position；Cleft hand fixture include the most concentric arrangement of first snap ring group, the second snap ring group, Three snap ring groups, pushing block and turntable, the first snap ring group, the second snap ring group, the 3rd snap ring group are relative by two in semi-annular shape The half-round clamping ring arranged is constituted, the snap ring of the first snap ring group and the 3rd snap ring group towards identical, the second snap ring group snap ring towards With the first snap ring group snap ring towards in 90 degree, the first snap ring group includes the first left snap ring and the first right snap ring, the first left snap ring Two side lower parts of the first right snap ring opposite face are provided with the first elastic component, and the second snap ring group includes on second snap ring and second time Snap ring, on second, two side lower parts of snap ring and second time snap ring opposite face are provided with the second elastic component, and the 3rd snap ring group includes Three left snap rings and the 3rd right snap ring, two side lower parts of the 3rd left snap ring and the 3rd right snap ring opposite face are provided with the 3rd elastic component, The outside of the 3rd left snap ring and the 3rd right snap ring is respectively provided with pushing block, and the lower inside of pushing block arranges the 4th elastic component, turntable Inner side is provided with the arcwall corresponding with pushing block, and the side of arcwall is away from the center of circle of the second fixture, and wall side is to another Side extension moves closer to the center of circle；Pressed to pushing block when turntable rotates by arcwall, pushing block, the 3rd snap ring group, the second snap ring group, first Snap ring group is fixed to the center of circle successively；When turntable inverts, pushing block, the 3rd snap ring group, the second snap ring group, the first snap ring group are again Position；Disk clamp includes symmetrically arranged a pair determining frame and determining pawl, determines frame one end and is fixedly installed in pan carriage, determines another of frame End arranges and determines pawl, and the inner side determine pawl arranges pawl, and pawl is "T"-shaped slide block and to determine pawl upper section be "T"-shaped by cross section Chute is slidably installed, and the relative clamping face of a pair pawl be arranged in parallel, and the contact determining pawl and pawl matched coordinates face With clamping face, there is angle；Determining to be provided with between frame fixed pole, fixed pole is provided with vertical screw rod, one end of screw rod is arranged There is rotating disk, pawl is provided with the propelling groove snapping in coupling for rotating disk；Determining to be additionally provided with on pawl position-limit mechanism, position-limit mechanism is square Shape frame-shaped, it includes determining pawl card column, pawl card column and two swing arms, determines pawl card column and be located in the loose slot determining on pawl, dynamic In the rotating turn trough being located in pawl of pawl card column, the two ends of two swing arms are hingedly connected to determine pawl card column and pawl card The two ends of post are formed rectangular box-like, and the two sides determining pawl have the concave station accommodating for swing arm and swinging, the two side tool of concave station Having the cambered surface matched with swing arm event trace, determine to be rotary with outside pawl positioning piece, keeper screws in loose slot restriction and determines pawl The activity of card column；Drive pawl to stretch out to close up when screw rod rotates ahead running；Pawl is driven when screw rod rotates and regains Regaining and separate, position-limit mechanism all coordinates pawl to link and spacing；Servomotor drives the translation order of drive link Spin Control pan carriage Cleft hand fixture and disk clamp with the use of.

Improving as one, the medial wall of the first left snap ring and the first right snap ring has ripple glaze, the first left snap ring and the The lateral wall of one right snap ring has the first inclined-plane；On second, the medial wall of snap ring and second time snap ring has and the first inclined-plane phase Inclined-plane in second joined, on second, the lateral wall of snap ring and second time snap ring has the second outer inclined-plane；3rd left snap ring and the 3rd The medial wall of right snap ring has inclined-plane in the 3rd with the second outer slopes which match, the 3rd left snap ring and the outside of the 3rd right snap ring Wall has the 3rd outer inclined-plane；The medial wall of pushing block has inclined-plane in the 4th with the 3rd outer slopes which match.

Improving as one, the lateral wall of pushing block has the outer arc wall matched with arcwall.

Improving as one, pan carriage is provided with two limited posts, two limited posts are respectively arranged at relative two biographies The outside of lever, the end of limited post is provided with limit spring, when pan carriage is contacted U by drive link drive activity to limit spring During shape frame spacing, disk clamp does not contacts with cleft hand fixture.

Improving as one, pan carriage includes rack body, the rotary setting rotation platform on rack body and fixes The rotary cylinder being arranged on rack body, the left surface of rotation platform arranges disk clamp, and rotation platform is with rotary cylinder even Connect linkage.

Improve as one, the end face of rotating disk is provided with multilamellar and leads to the circular card stricture of vagina that the center of circle is evenly distributed, circular card stricture of vagina It is divided into six parts by uniformly blocking；Plurality of rows of rhombus cone it is provided with on face relative with circular card stricture of vagina in advancing groove, adjacent row Rhombus cone is staggeredly set, and when screw rod rotates, the circular card stricture of vagina on rotating disk rotates and coordinates with rhombus cone.

Improving as one, screw rod is provided with upper evenly distributed multiple bulge loops, both sides are determined on frame corresponding Be provided with lockable mechanism, lockable mechanism includes rotating shaft, pivoted arm and latch fitting, and rotating shaft is rotatably arranged on to be determined on frame, pivoted arm one End connection rotating shaft, other end connection lock element, latch fitting is semi-circular, and latch fitting inwall has the groove suitable with bulge loop, and both sides are fixed Latch fitting on frame is rotational symmetry structure, and when the lockable mechanism determined both sides on frame rotates to bulge loop, latch fitting is from two gussets Annulus is become to block bulge loop location.

Improving as one, the corner in the "T"-shaped cross section of slide block is processed into arc, and the shape of chute matches with slide block.

Improving as one, determine pawl contacting the angle of cooperation face and clamping face with pawl is 10-20 degree.

Improve as one, be provided with the draw-in groove of level in the middle part of clamping face, draw-in groove inwall has been horizontally disposed with horizontal card article, folder Hold and on face, be vertically arranged with perpendicular card article.

The beneficial effects of the utility model: by the design of two fixtures, user is solid by disk clamp and cleft hand fixture Determine cable, carried out the strength test stretching or compressing by cleft hand clamp movement；Cleft hand fixture uses pawl sliding to fix cable, Position-limit mechanism can in the active procedure of pawl left swing or right pendulum, be left swing during clamping, decontrol reset time be right pendulum, pass through The mutual restriction of the rotating disk on screw rod and position-limit mechanism, restriction pawl that can be good, do not allow its voluntary activity, it is ensured that folder Firm stable when holding, avoids maloperation to close up the hands crushing user during reset；The disk-like structure of disk clamp, cable is therefrom Between insert, Snap ring structure in layer can fix by clamping cables, and layer structure mutually restricts and is difficult to the dislocation that gets loose, by outward Compressing when the arcwall of portion's turntable rotates or loosen snap ring and realize fastening, the stroke of rotation is relatively long, can slowly fasten electricity Cable is avoided damaging cable, it is to avoid damages cable and has influence on the firmness of clamping so that deviation occurs in test data, it is ensured that cable Quality, improves stability and the safety of transmission line of electricity.

Accompanying drawing explanation

Fig. 1 is overall structure schematic diagram of the present utility model.

Fig. 2 is the structural representation of cleft hand fixture of the present utility model.

Fig. 3 is the structural representation of disk clamp of the present utility model.

Fig. 4 is the horizontal cross of cleft hand fixture of the present utility model.

Fig. 5 is the rotating disk of cleft hand fixture of the present utility model and the schematic diagram advancing slot fit face.

Fig. 6 is the sectional view of the lockable mechanism of cleft hand fixture of the present utility model.

Fig. 7 is the sectional view of the pawl of cleft hand fixture of the present utility model.

Fig. 8 is the blast sectional view of disk clamp of the present utility model.

Detailed description of the invention

Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.

As shown in figures 1-8, the one of the power cable strength-testing machine for this utility model with built-up jig is concrete real Execute example.This embodiment includes servomotor 1, drive link 2, pan carriage 3, U-shaped frame 4, cleft hand fixture 5 and disk clamp 6, U-shaped frame 4 A sidewall on arrange symmetry many groups servomotor 1, servomotor 1 arranges drive link 2, the other end of drive link 2 can revolve On another sidewall being arranged at U-shaped frame 4 turned, on drive link 2 can left and right movable pan carriage 3 is set；Cleft hand fixture 5 is arranged on Pan carriage 3 left surface, disk clamp 6 is arranged on U-shaped frame 4 corresponding with cleft hand fixture 5 position；Disk clamp 6 include by interior extremely The most concentric arrangement of first snap ring group 6a, the second snap ring group 6b, the 3rd snap ring group 6c, pushing block 6d and turntable 6e, the first snap ring group The half-round clamping ring that 6a, the second snap ring group 6b, the 3rd snap ring group 6c are oppositely arranged by two in semi-annular shape is constituted, the first card The snap ring of ring group 6a and the 3rd snap ring group 6c towards identical, the second snap ring group 6b snap ring towards with the first snap ring group 6a snap ring Towards in 90 degree, the first snap ring group 6a includes the first left snap ring 6a1 and the first right snap ring 6a2, the first left snap ring 6a1 and first right side Two side lower parts of snap ring 6a2 opposite face are provided with the first elastic component 6a3, and the second snap ring group 6b includes snap ring 6b1 and on second Two times snap ring 6b2, on second, two side lower parts of snap ring 6b1 and second time snap ring 6b2 opposite face are provided with the second elastic component 6b3, 3rd snap ring group 6c includes the 3rd left snap ring 6c1 and the 3rd right snap ring 6c2, and the 3rd left snap ring 6c1 and the 3rd right snap ring 6c2 is relative Two side lower parts in face are provided with the 3rd elastic component 6c3, and the outside of the 3rd left snap ring 6c1 and the 3rd right snap ring 6c2 is respectively provided with and pushes away Block 6d, the lower inside of pushing block 6d arranges the 4th elastic component 6d1, and the inner side of turntable 6e is provided with the arc corresponding with pushing block 6d Wall 6e1, the side of arcwall 6e1 moves closer to the center of circle away from the center of circle of the second fixture, wall side to opposite side extension；When turning Platform 6e rotates and is pressed to pushing block 6d, pushing block 6d, the 3rd snap ring group 6c, the second snap ring group 6b, the first snap ring group 6a by arcwall 6e1 It is fixed to the center of circle successively；Pushing block 6d, the 3rd snap ring group 6c, the second snap ring group 6b, the first snap ring group when turntable 6e inverts 6a resets；Cleft hand fixture 5 includes symmetrically arranged a pair determining frame 5a and determining pawl 5b, determines frame 5a one end and is fixedly installed in pan carriage 3 On, to determine the other end of frame 5a and arrange and determine pawl 5b, the inner side determining pawl 5b arranges pawl 5c, and pawl 5c is "T"-shaped cunning by cross section Block 5c1 slidably installs with determining the chute 5b1 that pawl 5b upper section is "T"-shaped, and the relative clamping face 5c2 of a pair pawl 5c is parallel Arranging, the contact determining pawl 5b and pawl 5c matched coordinates face and clamping face 5c2 to have angle；Determine to be provided with between frame 5a and determine Bar 5d, fixed pole 5d is provided with vertical screw rod 5e, and one end of screw rod 5e is provided with rotating disk 5f, and pawl 5c is provided with confession Rotating disk 5f snaps in the propelling groove 5c3 of coupling；Determine to be additionally provided with on pawl 5b the rectangular frame-shaped of position-limit mechanism 5b2, position-limit mechanism 5b2, It includes determining pawl card column 52b1, pawl card column 5b22 and two swing arm 5b23, determines pawl card column 5b21 and is located in and determines on pawl 5b In loose slot 5b3, in the rotating turn trough 5c4 being located in pawl 5c of pawl card column 5b22, the two of two swing arm 5b23 End is hingedly connected to determine the two ends of pawl card column 5b21 and pawl card column 5b22 and is formed rectangular box-like, and the two sides determining pawl 5b have confession The concave station 5b4 that swing arm 5b23 accommodates and swings, the two side of concave station has the arc matched with swing arm 5b23 event trace Face 5b5, determines to be rotary with outside pawl 5b positioning piece 5b6, and keeper 5b6 screws in loose slot 5b3 and limits the activity determining pawl card column 5b21； Drive pawl 5c to stretch out to close up when screw rod 5e rotates ahead running；Pawl 5c is driven to regain when screw rod 5e rotates and regains Separating, position-limit mechanism 5b2 all coordinates pawl 5c to link and spacing；Servomotor 1 drives drive link 2 Spin Control pan carriage 3 flat Shifting make disk clamp 6 and cleft hand fixture 5 with the use of.In use, user can be by regulation pan carriage 3 for this utility model By cable or individually insulating barrier, screen layer, protective layer be clamped on cleft hand fixture 5 and disk clamp 6, logical after firm grip Cross the strength test that pan carriage 3 activity carries out stretching or compressing.Cleft hand fixture 5 carries out cable with pawl 5c that both sides are movable Clamping, the clamping face 5c2 of relative pawl 5c be arranged in parallel ensure that through motion after pawl 5c also be able to maximum area come Clamp cable, improve the firmness of clamping；Determine pawl 5b and pawl 5c to be coordinated by "T"-shaped slide block 5c1 and chute 5b1, pawl Sliding up and down of 5c is stable；The up and down of pawl 5c is driven by screw rod 5e, the rotating disk 5f of screw rod 5e end and pawl 5c On propelling groove 5c3 coordinate, when screw rod 5e by driven by motor rotate advance, pawl 5c slowly can be released, screw rod 5e Also can be easy to user by manual rotation carry out the location of cable and pick and place；Position-limit mechanism 5b2 matches with pawl 5c, rectangle frame The position-limit mechanism 5b2 of shape is connected to determine pawl 5b and pawl 5c, in pawl 5c motor process, and position-limit mechanism 562 Coupled motion, and In determining the structure adapted on pawl 5b spacing, swing arm 5b23 is good fit with cambered surface 5b5, swing arm 5b23 up and down by arc Face 5b5 stops will not play up and down, it is ensured that the stability of pawl 5c；Determine between pawl 5b and pawl 5c, position-limit mechanism 5b2 and determine pawl The movable body of many groups mutually restriction is formed between 5b, between position-limit mechanism 5b2 and pawl 5c, between pawl 5c and screw rod 5e, Effectively raise the stability during motion of pawl 5c, reduce the abrasion that parts are mutual, stablizing when improve fixed clamp Property, it is ensured that the data of cable testing are accurate.Determining to arrange outside pawl 5b keeper 5b6, no matter when pawl 5c clamps or receive Returning when not using, this keeper 5b6 all can screw in spacing position-limit mechanism 5b2, makes to determine pawl 5b non-movable, it is ensured that clamping stable and Anti-error clip finger；Detection and location part 5b6 is carried out, it is to avoid screw rod 5e starts damage cleft hand for preventing maloperation from can arrange sensor Fixture 5.Disk clamp 6 uses the structure of many snap rings concentric layer overlaps, and presses with the pushing block 6d and turntable 6e in outside Tight or unclamp；First snap ring group 6a, the second snap ring group 6b, the 3rd snap ring group 6c are successively in 90 degree of arrangements snap rings, beneficially outer layer Snap ring group steadily exerts a force and promotes internal layer snap ring group, often organizes the activity with the elastic component matched of relative snap ring, is conducive to every The stable stress of group snap ring is closed up and power of removing resets, and will not misplace between structure, cable clamping accurate positioning；By pushing block 6d and turn The pushing structure of platform 6e composition ensure that turntable 6e is progressive in rotation process and presses to pushing block 6d, and by pushing block 6d push card Closing up of ring group, structure is more stable, and longer rotating distance drives short-range closing up, it is to avoid originally fixture is the most quickly clamped Damage that cable is caused by cable and affect stress, cause the deviation of test data.And drive pawl 5c to live in cleft hand fixture 5 The drive link 2 of pan carriage 3 activity is driven all to use longer rotating distance to drive short distance on dynamic screw rod 5e and U-shaped frame 4 Activity, it is ensured that what fixture closed up stable slowly avoids damaging cable, it is ensured that the lifting of pan carriage 3 stably guarantees cable pressure The data of contracting and tensile strength test are accurate.

As the detailed description of the invention of a kind of improvement, the medial wall of the first left snap ring 6a1 and the first right snap ring 6a2 has ripple Slippage 6a4, the lateral wall of the first left snap ring 6a1 and the first right snap ring 6a2 has the first inclined-plane 6a5；Snap ring 6b1 and on second The medial wall of two times snap ring 6b2 has inclined-plane 6b4, snap ring 6b1 and second on second in second matched with the first inclined-plane 6a5 The lateral wall of lower snap ring 6b2 has the second outer inclined-plane 6b5；The medial wall of the 3rd left snap ring 6c1 and the 3rd right snap ring 6c2 have with Second outer inclined-plane 6b5 match the 3rd in inclined-plane 6c4, the lateral wall of the 3rd left snap ring 6c1 and the 3rd right snap ring 6c2 has Three outer inclined-plane 6c5；The medial wall of pushing block 6d has inclined-plane 6d2 in the 4th matched with the 3rd outer inclined-plane 6c5.Ripple glaze 6a4 Adding the stability of clamping cable, in the first inclined-plane 6a5 and second, 6b4 cooperation in inclined-plane makes the first snap ring group 6a and the second snap ring Group 6b is more stable when coordinating promotion, and thrust is vertically to inclined-plane, and the direction of this power is oblique, is more beneficial for outer layer snap ring group pressure Jail internal layer snap ring group；In like manner it is provided with inclined-plane 6c4, the 3rd outer inclined-plane 6c5 and the 4th in the second outer inclined-plane 6b5 and the 3rd of pairing Interior inclined-plane 6d2.

As the detailed description of the invention of a kind of improvement, the lateral wall of pushing block 6d has the outer arc matched with arcwall 6e1 Wall 6d3.The arcwall 6e1 of outer arc wall 6d3 and the turntable 6e of pushing block 6d is suitable, makes inwardly advancing of turntable 6e more steady, circle The clamping of plate clamp 6 is more stable.

As the detailed description of the invention of a kind of improvement, pan carriage 3 being provided with two limited posts 7, two limited posts 7 are respectively Being arranged at the outside of relative two drive links 2, the end of limited post 7 is provided with limit spring 8, when pan carriage 3 is carried by drive link 2 Dynamic activity to limit spring 8 is spacing when contacting U-shaped frame 4, and cleft hand fixture 5 does not contacts with disk clamp 6.Arrange limited post 7 to play Protection cleft hand fixture 5 and the effect of disk clamp 6, it is ensured that cleft hand fixture 5 and the disk clamp 6 of left and right will not collide, translation Frame 3 is movable to the left coordinates stop buffering to U-shaped frame 4 with limited post 7 upper limit spring 8, and overall structure is hardly damaged, it is to avoid control The machine that error causes is scrapped.

As the detailed description of the invention of a kind of improvement, pan carriage 3 includes that rack body 3a, rotary setting are in rack body 3a On rotation platform 3b and the rotary cylinder 3c that is fixedly installed on rack body 3a, the left surface of rotation platform 3b arranges cleft hand Fixture 5, rotation platform 3b is connected linkage with rotary cylinder 3c.Arrange rotation platform 3b to realize by test of the present utility model Machine carries out the test of torsional strength, disk clamp 6 transfixion, rotary cylinder 3c drive rotation platform 3b to rotate, i.e. drive Cleft hand fixture 5 rotates the test carrying out cable torsional strength.

As the detailed description of the invention of a kind of improvement, the end face of rotating disk 5f is provided with multilamellar and leads to the circle that the center of circle is evenly distributed Shape card stricture of vagina 5f1, circular card stricture of vagina 5f1 is uniformly blocked is divided into six parts；On face relative with circular card stricture of vagina 5f1 in advancing groove 5c3 Being provided with plurality of rows of rhombus cone 5c5, the rhombus cone 5c5 of adjacent row is staggeredly set, when screw rod 5e rotates, on rotating disk 5f Circular card stricture of vagina 5f1 rotates and coordinates with rhombus cone 5c5.On rotating disk 5f end face, the circular card stricture of vagina 5f1 of multistage can rotate at rotating disk 5f Time block with the rhombus cone 5c5 phase advanced in groove 5c3, circular card stricture of vagina 5f1 is by the intermittent motion between rhombus cone 5c5, pawl 5c One side, by the thrust of the end face axial of rotating disk 5f, is on the one hand turned what rhombus cone 5c5 applied by circular card stricture of vagina 5f1 relatively The end face of dish 5f thrust radially, makes closing up and separating more steady of pawl 5c, circular card stricture of vagina 5f1 and rhombus bores 5c5 and limit Rear pawl 5c is difficult to rock, and clamps more stable；Reasonably circular card stricture of vagina 5f1 arranges and also makes rotating disk 5f and advance mutual of groove 5c3 Join the relative motion not affecting both.

As the detailed description of the invention of a kind of improvement, screw rod 5e is provided with upper evenly distributed multiple bulge loops 5e1, both sides determine on frame 5a corresponding be provided with lockable mechanism 5a1, lockable mechanism 5a1 include rotating shaft 5a11, pivoted arm 5a12 and Latch fitting 5a13, rotating shaft 5a11 are rotatably arranged on and determine on frame 5a, pivoted arm 5a12 one end connection rotating shaft 5a11, and the other end connects lock Part 5a13, latch fitting 5a13 are semi-circular, and latch fitting 5a13 inwall has the groove 5a14 suitable with bulge loop 5e1, and frame 5a is determined in both sides On latch fitting 5a13 be rotational symmetry structure, when the lockable mechanism 5a1 that both sides determined on frame 5a rotate locate to bulge loop 5e1 time, lock Part 5a13 surrounds annulus and blocks bulge loop 5e1 location from both sides.After pawl 5c puts in place and blocks cable, by lockable mechanism 5a1 Cooperation with bulge loop 5e1 can effective locking screw bar 5e, sensor also can be set at this simultaneously, lockable mechanism is worked as in detection 5a1 pin bulge loop 5e1 time, screw rod 5e is failure to actuate, physically with pawl 5c during Automated condtrol two aspect guarantee test without Change, it is ensured that mechanical property testing accurate；Lockable mechanism 5a1 uses simple rotating shaft 51a1 design, by the latch fitting of both sides 51a3 same hour hands aspect rotates, and latch fitting 51a3 surrounds full circle and blocks bulge loop 5e1 from both sides.

As the detailed description of the invention of a kind of improvement, the corner in the "T"-shaped cross section of slide block 5c1 is processed into arc, chute 5b1 Shape match with slide block 5c1.In the case of the connection of each parts of cleft hand fixture 5 coordinates linkage, for reducing zero Abrasion between part, also makes to determine activity between pawl 5b and pawl 5c more smooth and easy, by both "T"-shaped section of slide block 5c1 and chute 5b1 Arc is processed in corner, face, although adds cost and difficulty of processing, but further increases the spirit of each parts of cleft hand fixture 5 Activity, makes to wear and tear between each parts less, is more beneficial for life-time service.

As the detailed description of the invention of a kind of improvement, determine pawl 5b and contact the angle in cooperation face and clamping face 5c2 with pawl 5c For 10-20 degree.The activity of the angle adaptation screw rod 5e of 10-20 degree, adaptive position-limit mechanism 5b2 and determine between pawl 5b and pawl 5c Activity, the activity making each parts is more flexible；10-20 angle ensures that two pawls 5c can be stable under the drive of screw rod 5e Release and coordinate, and the speed released is suitable.

As the detailed description of the invention of a kind of improvement, in the middle part of clamping face 5c2, it is provided with the draw-in groove 5c21 of level, draw-in groove 5c21 It is horizontally disposed with horizontal card article 5c22 on inwall, clamping face 5c2 has been vertically arranged with perpendicular card article 5c23.Draw-in groove 5c21 may be used for card Cable that diameter is less or individually insulating barrier, screen layer, protective layer, the cable that diameter is less is fixed by horizontal card article 5c22 contact Position；The strain relief clamp being relatively large in diameter is positioned by the limit, boundary of clamping face 5c2 and draw-in groove 5c21 when draw-in groove 5c21；Above structure is real Existing location is more stable, and is hardly damaged cable, during for other shape and structures, and can be by the perpendicular card on clamping face 5c2 Bar 5c23 positions.

Claims (10)

1. a power cable strength tester with built-up jig, it is characterised in that: include servomotor (1), drive link (2), pan carriage (3), U-shaped frame (4), cleft hand fixture (5) and disk clamp (6), it is right that a sidewall of described U-shaped frame (4) is arranged The many groups servomotor (1) claimed, described servomotor (1) arranges drive link (2), and the other end of described drive link (2) can revolve Turn another sidewall being arranged at U-shaped frame (4) on, described drive link (2) on can left and right activity pan carriage (3) is set；Described Cleft hand fixture (5) is arranged on pan carriage (3) left surface, and described disk clamp (6) is arranged on U-shaped frame (4) and cleft hand fixture (5) Position is corresponding；Described disk clamp (6) include the most concentric arrangement of first snap ring group (6a), the second snap ring group (6b), 3rd snap ring group (6c), pushing block (6d) and turntable (6e), described first snap ring group (6a), the second snap ring group (6b), the 3rd snap ring The half-round clamping ring that group (6c) is oppositely arranged by two in semi-annular shape is constituted, described first snap ring group (6a) and the 3rd snap ring The snap ring of group (6c) towards identical, described second snap ring group (6b) snap ring towards with the first snap ring group (6a) snap ring towards in 90 degree, described first snap ring group (6a) includes the first left snap ring (6a1) and the first right snap ring (6a2), described first left snap ring (6a1) two side lower parts of He the first right snap ring (6a2) opposite face are provided with the first elastic component (6a3), described second snap ring group (6b) snap ring on second (6b1) and second time snap ring (6b2) are included, snap ring (6b1) and second time snap ring (6b2) on described second Two side lower parts of opposite face are provided with the second elastic component (6b3), described 3rd snap ring group (6c) include the 3rd left snap ring (6c1) and 3rd right snap ring (6c2), two side lower parts of described 3rd left snap ring (6c1) and the 3rd right snap ring (6c2) opposite face are provided with Three elastic components (6c3), the outside of described 3rd left snap ring (6c1) and the 3rd right snap ring (6c2) is respectively provided with pushing block (6d), described The lower inside of pushing block (6d) arranges the 4th elastic component (6d1), and the inner side of described turntable (6e) is provided with relative with pushing block (6d) The arcwall (6e1) answered, the side of described arcwall (6e1) extends to opposite side away from the center of circle of the second fixture, wall side Move closer to the center of circle；Pressed to pushing block (6d) when turntable (6e) rotates by arcwall (6e1), pushing block (6d), the 3rd snap ring group (6c), Second snap ring group (6b), the first snap ring group (6a) are fixed to the center of circle successively；When turntable (6e) inverts pushing block (6d), the 3rd Snap ring group (6c), the second snap ring group (6b), the first snap ring group (6a) reset；Described cleft hand fixture (5) includes symmetrically arranged one To determining frame (5a) and determining pawl (5b), described determine frame (5a) one end and be fixedly installed in pan carriage (3), described determine another of frame (5a) End is arranged determines pawl (5b), and the described inner side determining pawl (5b) arranges pawl (5c), and described pawl (5c) is "T"-shaped cunning by cross section Block (5c1) is slidably installed with determining the chute (5b1) that pawl (5b) upper section is "T"-shaped, and pawl described in a pair (5c) is relative Clamping face (5c2) be arranged in parallel, and the contact determining pawl (5b) and pawl (5c) matched coordinates face and clamping face (5c2) to have folder Angle；Described determine to be provided with between frame (5a) fixed pole (5d), described fixed pole (5d) is provided with vertical screw rod (5e), described spiral shell One end of swing arm (5e) is provided with rotating disk (5f), and described pawl (5c) is provided with the propelling groove snapping in coupling for rotating disk (5f) (5c3)；Described determining to be additionally provided with on pawl (5b) position-limit mechanism (5b2), described position-limit mechanism (5b2) rectangular frame-shaped, it includes Determine pawl card column (52b1), pawl card column (5b22) and two swing arms (5b23), described determine pawl card column (5b21) and be located in and determine pawl (5b) in the loose slot (5b3) on, the rotating turn trough (5c4) being located in pawl (5c) of described pawl card column (5b22) In, the two ends of two described swing arms (5b23) are hingedly connected to determine pawl card column (5b21) and the two ends shape of pawl card column (5b22) Rectangular frame-shaped, the described two sides determining pawl (5b) have the concave station (5b4) accommodating for swing arm (5b23) and swinging, described recessed The two side of platform has a cambered surface (5b5) matched with swing arm (5b23) event trace, described determine pawl (5b) outside and is rotary with one Keeper (5b6), described keeper (5b6) screws in loose slot (5b3) and limits the activity determining pawl card column (5b21)；Work as screw rod (5e) drive pawl (5c) to stretch out when rotating ahead running to close up；Pawl (5c) is driven to regain when screw rod (5e) rotates and regains Separating, position-limit mechanism (5b2) all coordinates pawl (5c) to link and spacing；Described servomotor (1) drives drive link (2) to rotate control Pan carriage processed (3) translation make disk clamp (6) and cleft hand fixture (5) with the use of.

A kind of power cable strength tester with built-up jig the most according to claim 1, it is characterised in that: described The medial wall of the first left snap ring (6a1) and the first right snap ring (6a2) has ripple glaze (6a4), described first left snap ring (6a1) With the lateral wall of the first right snap ring (6a2), there is the first inclined-plane (6a5)；Snap ring (6b1) and second time snap ring on described second (6b2) medial wall has inclined-plane (6b4) in second matched with the first inclined-plane (6a5), on described second snap ring (6b1) and The lateral wall of second time snap ring (6b2) has the second outer inclined-plane (6b5)；Described 3rd left snap ring (6c1) and the 3rd right snap ring (6c2) medial wall has inclined-plane (6c4) in the 3rd matched with the second outer inclined-plane (6b5), described 3rd left snap ring (6c1) With the lateral wall of the 3rd right snap ring (6c2), there is the 3rd outer inclined-plane (6c5)；The medial wall of described pushing block (6d) have with the 3rd outside Inclined-plane (6c5) match the 4th in inclined-plane (6d2).

A kind of power cable strength tester with built-up jig the most according to claim 2, it is characterised in that: described The lateral wall of pushing block (6d) has the outer arc wall (6d3) matched with arcwall (6e1).

A kind of power cable strength tester with built-up jig the most according to claim 3, it is characterised in that: described Being provided with two limited posts (7) in pan carriage (3), two described limited posts (7) are respectively arranged at relative two drive links (2) Outside, the end of described limited post (7) is provided with limit spring (8), when described pan carriage (3) is by drive link (2) drive activity To spacing during limit spring (8) contact U-shaped frame (4), cleft hand fixture (5) does not contacts with disk clamp (6).

A kind of power cable strength tester with built-up jig the most according to claim 4, it is characterised in that: described Pan carriage (3) includes rack body (3a), the rotary setting rotation platform (3b) on rack body (3a) and is fixedly installed on Rotary cylinder (3c) on rack body (3a), the left surface of described rotation platform (3b) arranges cleft hand fixture (5), described rotation Platform (3b) is connected linkage with rotary cylinder (3c).

6., according to a kind of power cable strength tester with built-up jig according to any one of claim 1-5, it is special Levy and be: be provided with multilamellar on the end face of described rotating disk (5f) and lead to the circular card stricture of vagina (5f1) that the center of circle is evenly distributed, described circular card Stricture of vagina (5f1) is uniformly blocked is divided into six parts；It is provided with on face relative with circular card stricture of vagina (5f1) in described propelling groove (5c3) Plurality of rows of rhombus cone (5c5), rhombus cone (5c5) of adjacent row is staggeredly set, when screw rod (5e) rotates, described rotating disk (5f) the circular card stricture of vagina (5f1) on rotates and coordinates with rhombus cone (5c5).

A kind of power cable strength tester with built-up jig the most according to claim 6, it is characterised in that: described It is provided with upper evenly distributed multiple bulge loops (5e1) on screw rod (5e), described in both sides, determines upper corresponding the setting of frame (5a) Being equipped with lockable mechanism (5a1), described lockable mechanism (5a1) includes rotating shaft (5a11), pivoted arm (5a12) and latch fitting (5a13), described Rotating shaft (5a11) is rotatably arranged on to be determined on frame (5a), described pivoted arm (5a12) one end connection rotating shaft (5a11), and the other end is even Connecing latch fitting (5a13), described latch fitting (5a13) is in semi-circular, and latch fitting (5a13) inwall has the groove suitable with bulge loop (5e1) (5a14), the latch fitting (5a13) that both sides are determined on frame (5a) is rotational symmetry structure, when the lockable mechanism determined both sides on frame (5a) (5a1), when rotating to bulge loop (5e1) place, latch fitting (5a13) surrounds annulus and blocks bulge loop (5e1) location from both sides.

8., according to a kind of power cable strength tester with built-up jig according to any one of claim 1-5, it is special Levy and be: the corner in described slide block (5c1) "T"-shaped cross section is processed into arc, the shape of described chute (5b1) and slide block (5c1) match.

A kind of power cable strength tester with built-up jig the most according to claim 8, it is characterised in that: described Determine pawl (5b) contacting the angle of cooperation face and clamping face (5c2) with pawl (5c) is 10-20 degree.

10., according to a kind of power cable strength tester with built-up jig according to any one of claim 1-5, it is special Levy and be: described clamping face (5c2) middle part is provided with the draw-in groove (5c21) of level, and described draw-in groove (5c21) inwall is horizontally disposed with There is horizontal card article (5c22), described clamping face (5c2) is vertically arranged with perpendicular card article (5c23).