CN105954096A - Power cable strength testing machine with modular fixture - Google Patents
Power cable strength testing machine with modular fixture Download PDFInfo
- Publication number
- CN105954096A CN105954096A CN201610510676.4A CN201610510676A CN105954096A CN 105954096 A CN105954096 A CN 105954096A CN 201610510676 A CN201610510676 A CN 201610510676A CN 105954096 A CN105954096 A CN 105954096A
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- Prior art keywords
- snap ring
- pawl
- ring group
- power cable
- frame
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a power cable strength testing machine with a modular fixture. The power cable strength testing machine with the modular fixture adopts two fixtures to implement tension or compression strength tests; a claw fixture adopts moving claws to slide and fix a cable; a limiting mechanism can swing leftwards or rightwards in a limited manner when the moving claws move, so that the moving claws can be well prevented from moving randomly, firm and stable clamping can be ensured, and the moving claws can be prevented from being folded to jam hands of a user by accident because of mal-operation when being reset; a cable is inserted from the middle part of the disc-shaped structure of a disc fixture; the cable can be clamped and fixed by clamping ring structures layer by layer; the layered structures are restricted by one another without being loosened or displaced; clamping rings can be tightened or released so as to achieve fastening when the arc-shaped wall of an external rotary table is rotated; the rotation stroke is relatively long, so that the cable can be slowly fastened without being damaged, the clamping firmness of the cable can be prevented from being affected by a damaged cable, and thus test data errors can be prevented.
Description
Technical field
The present invention relates to Electric Design field, especially relate to a kind of power cable intensity with built-up jig
Testing machine.
Background technology
In Electric Design field, domestic power department puts forth effort to study transmission facility and electric power associated mechanical, but
These research emphasis often emphasis, at mechanism's design aspect, but ignores the electricity that power transmission aspect is the most basic
A control of cable quality.In most basic transmission line of electricity, power cable quality is uneven, uses for a long time
There is great potential safety hazard, if damaging occurs in power cable, either country or social undertakings, all
Can suffer certain economic loss, more likely entail dangers to is to the safety of personnel, therefore testing power cable
Quality is extremely important.For testing experiment machine, its fixture is overall crucial ingredient, good folder
Lamps structure can improve the folder to several parts such as power cable entirety or insulating barrier, screen layer, protective layers
Holding effect fruit, does not get loose in exercise test and does not misplaces, it is ensured that test data accurate, obtain reliable result.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, be conducive to electric power
Cable firmly clamps, coordinates realization accurately to test the intensity of power cable or its ingredient
The power cable strength-testing machine with built-up jig.
The present invention is by the following technical solutions: a kind of power cable strength tester with built-up jig, bag
Include servomotor, drive link, pan carriage, U-shaped frame, disk clamp and cleft hand fixture, the side of U-shaped frame
Arranging many groups servomotor of symmetry on wall, servomotor arranges drive link, the other end of drive link can revolve
Turn another sidewall being arranged at U-shaped frame on, on drive link can left and right movable pan carriage is set；Disk
Fixture is arranged on pan carriage left surface, and cleft hand fixture is arranged on U-shaped frame corresponding with disk clamp position；Pawl
Hands fixture includes the most concentric arrangement of first snap ring group, the second snap ring group, the 3rd snap ring group, pushing block
And turntable, the first snap ring group, the second snap ring group, the 3rd snap ring group are set relatively by two in semi-annular shape
The half-round clamping ring put is constituted, the snap ring of the first snap ring group and the 3rd snap ring group towards identical, the second snap ring group card
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 first
Right snap ring, two side lower parts of the first left snap ring and the first right snap ring opposite face are provided with the first elastic component, and second
Snap ring group includes snap ring and second time snap ring on second, snap ring and the both sides of second time snap ring opposite face on second
Bottom is provided with the second elastic component, and the 3rd snap ring group includes the 3rd left snap ring and the 3rd right snap ring, the 3rd left card
Two side lower parts of ring and the 3rd right snap ring opposite face are provided with the 3rd elastic component, the 3rd left snap ring and the 3rd right card
The outside of ring is respectively provided with pushing block, and the lower inside of pushing block arranges the 4th elastic component, and the inner side of turntable is provided with
The arcwall corresponding with pushing block, 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
Two snap ring groups, the first snap ring group are fixed to the center of circle successively；When turntable inverts pushing block, the 3rd snap ring group,
Second snap ring group, the first snap ring group reset；Disk clamp includes symmetrically arranged a pair determining frame and determining pawl, fixed
Frame one end is fixedly installed in pan carriage, determines the other end of frame and arranges and determine pawl, and the inner side determining pawl arranges pawl,
Pawl is that "T"-shaped slide block is slidably installed with determining the chute that pawl upper section is "T"-shaped by cross section,
The relative clamping face of a pair pawl be arranged in parallel, and the contact determining pawl and pawl matched coordinates face and clamping face
There is angle；Determine to be provided with between frame fixed pole, fixed pole is provided with vertical screw rod, one end of screw rod
It is provided with rotating disk, pawl is provided with the propelling groove snapping in coupling for rotating disk；Determine to be additionally provided with on pawl position restrainer
Structure, the rectangular frame-shaped of position-limit mechanism, it includes determining pawl card column, pawl card column and two swing arms, determines pawl card
Post is located in the loose slot determining on pawl, in the rotating turn trough being located in pawl of pawl card column, and two
The two ends of swing arm are hingedly connected to determine the two ends of pawl card column and pawl card column and are formed rectangular box-like, determine the two of pawl
Side has the concave station accommodating for swing arm and swinging, and the two side of concave station has and swing arm event trace phase
The cambered surface of coupling, determines to be rotary with outside pawl positioning piece, and keeper screws in loose slot and limits the activity determining pawl card column；
Drive pawl to stretch out to close up when screw rod rotates ahead running；Pawl is driven to receive when screw rod rotates and regains
Returning and separate, position-limit mechanism all coordinates pawl to link and spacing；Servomotor drives the translation of drive link Spin Control
Frame translation make 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 card
The lateral wall of ring and the first right snap ring has the first inclined-plane；The medial wall tool of snap ring and second time snap ring on second
Having inclined-plane in second with the first slopes which match, on second, the lateral wall of snap ring and second time snap ring has
Two outer inclined-planes；The medial wall of the 3rd left snap ring and the 3rd right snap ring has and the 3rd of the second outer slopes which match the
Interior inclined-plane, the lateral wall of the 3rd left snap ring and the 3rd right snap ring has the 3rd outer inclined-plane；The medial wall tool of pushing block
There is 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 relatively
The outside of two drive links, the end of limited post is provided with limit spring, when pan carriage is driven alive by drive link
Moving to spacing during limit spring contact U-shaped frame, 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
With the rotary cylinder being fixedly installed on rack body, the left surface of rotation platform arranges disk clamp, rotates
Platform is connected linkage with rotary cylinder.
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, circle
Shape card stricture of vagina is uniformly blocked is divided into six parts；It is provided with plurality of rows of on face relative with circular card stricture of vagina in advancing groove
Rhombus is bored, and the rhombus cone of adjacent row is staggeredly set, the circular card stricture of vagina rotation when screw rod rotates, on rotating disk
Turn and coordinate with rhombus cone.
Improving as one, screw rod is provided with upper evenly distributed multiple bulge loops, both sides are determined on frame
Corresponding is provided with lockable mechanism, and lockable mechanism includes rotating shaft, pivoted arm and latch fitting, and rotating shaft is rotatable to be set
Putting and determining on frame, pivoted arm one end connection rotating shaft, other end connection lock element, latch fitting is semi-circular, latch fitting inwall
Having the groove suitable with bulge loop, it is rotational symmetry structure that the latch fitting on frame is determined in both sides, when both sides are determined frame
On lockable mechanism rotate to time at bulge loop, latch fitting surrounds annulus and blocks bulge loop location from both sides.
Improving as one, the corner in the "T"-shaped cross section of slide block is processed into arc, the shape of chute and slide block
Match.
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 stroke
Card article, clamping face is vertically arranged with perpendicular card article.
Beneficial effects of the present invention: by the design of two fixtures, user is by disk clamp and cleft hand fixture
Fixing cable, carries out the strength test stretching or compressing by cleft hand clamp movement；Cleft hand fixture uses pawl
Cable is fixed in sliding, position-limit mechanism can in the active procedure of pawl left swing or right pendulum, be left during clamping
Pendulum, decontroling when resetting is right pendulum, by the mutual restriction of the rotating disk on screw rod with position-limit mechanism, Ke Yiliang
Good restriction pawl, does not allow its voluntary activity, it is ensured that firm stable during clamping, avoids grasping during reset by mistake
Make to close up the hands crushing user；The disk-like structure of disk clamp, cable therefrom between insert, in layer
Snap ring structure can be fixed by clamping cables, and layer structure mutually restricts and is difficult to the dislocation that gets loose, by outside turntable
Arcwall rotate time compress or loosen snap ring realize fastening, the stroke of rotation is relatively long, can be the tightest
Gu cable is avoided damaging cable, it is to avoid damage cable and have influence on the firmness of clamping so that test data occurs
Deviation, it is ensured that cable quality, improves stability and the safety of transmission line of electricity.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of the cleft hand fixture of the present invention.
Fig. 3 is the structural representation of the disk clamp of the present invention.
Fig. 4 is the horizontal cross of the cleft hand fixture of the present invention.
Fig. 5 is the rotating disk of the cleft hand fixture of the present invention and the schematic diagram advancing slot fit face.
Fig. 6 is the sectional view of the lockable mechanism of the cleft hand fixture of the present invention.
Fig. 7 is the sectional view of the pawl of the cleft hand fixture of the present invention.
Fig. 8 is the blast sectional view of the disk clamp of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in figures 1-8, the one of the power cable strength-testing machine for the present invention 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
With disk clamp 6, a sidewall of U-shaped frame 4 arranges many groups servomotor 1 of symmetry, on servomotor 1
Drive link 2 is set, on another sidewall being arranged at U-shaped frame 4 that the other end of drive link 2 is rotatable,
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, circle
Plate clamp 6 is arranged on U-shaped frame 4 corresponding with cleft hand fixture 5 position；Disk clamp 6 includes from the inside to the outside
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,
First snap ring group 6a, the second snap ring group 6b, the 3rd snap ring group 6c are oppositely arranged by two in semi-annular shape
Half-round clamping ring constitute, the snap ring of the first snap 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 that first is left
Under the both sides of snap ring 6a1 and the first right snap ring 6a2, the first left snap ring 6a1 and the first right snap ring 6a2 opposite face
Portion is provided with the first elastic component 6a3, and the second snap ring group 6b includes snap ring 6b1 and second time snap ring 6b2 on second,
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, the
Three snap ring groups 6c include the 3rd left snap ring 6c1 and the 3rd right snap ring 6c2, the 3rd left snap ring 6c1 and the 3rd right side
Two side lower parts of snap ring 6c2 opposite face are provided with the 3rd elastic component 6c3, the 3rd left snap ring 6c1 and the 3rd right card
The outside of ring 6c2 is respectively provided with pushing block 6d, and the lower inside of pushing block 6d arranges the 4th elastic component 6d1, turntable
The inner side of 6e is provided with the arcwall 6e1 corresponding with pushing block 6d, and the side of arcwall 6e1 is away from the second folder
The center of circle of tool, wall side moves closer to the center of circle to opposite side extension；When turntable 6e rotates by arcwall 6e1
Press 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 successively to
The center of circle is fixed；When turntable 6e inverts pushing block 6d, the 3rd snap ring group 6c, the second snap ring group 6b,
One snap ring group 6a resets；Cleft hand fixture 5 includes symmetrically arranged a pair determining frame 5a and determining pawl 5b, determines frame 5a
One end is fixedly installed in pan carriage 3, determines the other end of frame 5a and arranges and determine pawl 5b, and the inner side determining pawl 5b sets
Put pawl 5c, pawl 5c by cross section be "T"-shaped slide block 5c1 be "T"-shaped with determining pawl 5b upper section
Chute 5b1 slidably install, the relative clamping face 5c2 of a pair pawl 5c be arranged in parallel, matches
The contact determining pawl 5b and pawl 5c 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, dynamic
The propelling groove 5c3 snapping in coupling for rotating disk 5f it is provided with on pawl 5c；Determine to be additionally provided with position-limit mechanism on pawl 5b
The rectangular frame-shaped of 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 the loose slot 5b3 determined on pawl 5b, pawl card column 5b22
In the rotating turn trough 5c4 being located in pawl 5c, the two ends of two swing arm 5b23 are hingedly connected to fixed
The two ends of pawl card column 5b21 and pawl card column 5b22 are formed rectangular box-like, and the two sides determining pawl 5b have for pendulum
The concave station 5b4 that swing arm 5b23 accommodates and swings, the two side of concave station has and swing arm 5b23 event trace phase
Cambered surface 5b5 of coupling, determines to be rotary with outside pawl 5b positioning piece 5b6, and keeper 5b6 screws in loose slot 5b3
Limit the activity determining pawl card column 5b21；Drive pawl 5c to stretch out to close up when screw rod 5e rotates ahead running；
Driving pawl 5c to regain when screw rod 5e rotates and regains to separate, position-limit mechanism 5b2 all coordinates pawl 5c to join
Dynamic and spacing；Servomotor 1 drives the translation of drive link 2 Spin Control pan carriage 3 to make disk clamp 6 and pawl
Hands fixture 5 with the use of.The present invention in use, user can by regulation pan carriage 3 by cable or
The single insulating barrier of person, screen layer, protective layer are clamped on cleft hand fixture 5 and disk clamp 6, clamping jail
Carried out the strength test stretching or compressing by pan carriage 3 activity after Gu.Cleft hand fixture 5 is by both sides activity
Pawl 5c coordinates the clamping carrying out cable, and the clamping face 5c2 of relative pawl 5c be arranged in parallel and ensure that through fortune
After dynamic, pawl 5c also is able to maximum area to clamp cable, improves the firmness of clamping；Determine pawl 5b and move
Pawl 5c is coordinated by "T"-shaped slide block 5c1 and chute 5b1, and sliding up and down of pawl 5c is stable；Pawl
The up and down of 5c is driven by screw rod 5e, the rotating disk 5f of screw rod 5e end and the propelling groove in pawl 5c
5c3 coordinates, and when screw rod 5e is rotated propelling by driven by motor, can pawl 5c slowly be released, screw rod
5e also can be easy to user by manual rotation and carries out the location of cable and pick and place；Position-limit mechanism 5b2 and pawl 5c
Matching, rectangular box-like position-limit mechanism 5b2 is connected to determine pawl 5b and pawl 5c, is moved through in pawl 5c
Cheng Zhong, position-limit mechanism 5b2 Coupled motion, and spacing in determining the structure adapted on pawl 5b, swing arm 5b23
Good fit with cambered surface 5b5, being stopped by cambered surface 5b5 up and down of swing arm 5b23 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 between pawl 5b, spacing
The movable body of many groups mutually restriction is formed between 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, improve fixation clamp
Stability when holding, it is ensured that the data of cable testing are accurate.Determining to arrange outside pawl 5b keeper 5b6, nothing
Opinion is still regained when pawl 5c clamps when not using, and this keeper 5b6 all can screw in spacing position-limit mechanism
5b2, makes to determine pawl 5b non-movable, it is ensured that clamping is stablized and anti-error clip finger；For preventing maloperation from can set
Put sensor and carry out detection and location part 5b6, it is to avoid screw rod 5e starts damage cleft hand fixture 5.Disk clamp 6
Use the structure of many snap rings concentric layer overlaps, and compress with the pushing block 6d and turntable 6e in outside or
Unclamp；First snap ring group 6a, the second snap ring group 6b, the 3rd snap ring group 6c arrange snap rings in 90 degree successively,
Be conducive to outer layer snap ring group steadily to exert a force and promote internal layer snap ring group, often organize relative snap ring by the elasticity matched
Part cooperation activity, is conducive to the stable stress often organizing snap ring to close up and power of removing resets, and will not misplace between structure,
Cable clamping accurate positioning；The pushing structure being made up of pushing block 6d and turntable 6e ensure that turntable 6e is turning
The progressive pushing block 6d that presses to during Dong, and promoted closing up of snap ring group by pushing block 6d, structure is more stable, relatively
Long rotating distance drives short-range closing up, it is to avoid originally fixture is the most quickly clamped cable and caused cable
Damage and affect stress, cause test data deviation.And drive pawl 5c movable in cleft hand fixture 5
Screw rod 5e and U-shaped frame 4 on drive pan carriage 3 activity drive link 2 all use longer rotating distance
Drive short-range activity, it is ensured that what fixture closed up stablizes slowly and avoid damaging cable, it is ensured that pan carriage 3
Lifting stable guarantee that the data of cable compression and tensile strength test are accurate.
As the detailed description of the invention of a kind of improvement, the first left snap ring 6a1 and the medial wall of the first right snap ring 6a2
Having ripple glaze 6a4, the lateral wall of the first left snap ring 6a1 and the first right snap ring 6a2 has the first inclined-plane 6a5；
On second, the medial wall of snap ring 6b1 and second time snap ring 6b2 has second matched with the first inclined-plane 6a5
Interior inclined-plane 6b4, on second, the lateral wall of snap ring 6b1 and second time 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 has the 3rd matched with the second outer inclined-plane 6b5
Interior inclined-plane 6c4, the lateral wall of the 3rd left snap ring 6cl and the 3rd right snap ring 6c2 has the 3rd 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 are more stable when coordinating promotion, and thrust is vertically to inclined-plane, and the direction of this power is oblique
To, it is more beneficial for outer layer snap ring group and fastens internal layer snap ring group；In like manner it is provided with the second outer inclined-plane 6b5 of pairing
With the 3rd in inclined-plane 6d2 in inclined-plane 6c4, the 3rd outer inclined-plane 6c5 and the 4th.
As the detailed description of the invention of a kind of improvement, the lateral wall of pushing block 6d has and matches with arcwall 6e1
Outer arc wall 6d3.The arcwall 6e1 of outer arc wall 6d3 and the turntable 6e of pushing block 6d is suitable, makes turntable 6e
Inwardly advance more steady, the clamping of disk 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 spacing
Post 7 is respectively arranged at the outside of relative two drive links 2, and the end of limited post 7 is provided with limit spring 8,
When pan carriage 3 is contacted U-shaped frame 4 by drive link 2 drive activity to limit spring 8 spacing, cleft hand fixture
5 do not contact with disk clamp 6.Limited post 7 is set and plays protection cleft hand fixture 5 and the effect of disk clamp 6,
Cleft hand fixture 5 and disk clamp 6 about guarantee will not collide, and pan carriage 3 is movable to U-shaped frame to the left
4 coordinate stop buffering with limited post 7 upper limit spring 8, and overall structure is hardly damaged, it is to avoid controls error and makes
The machine become 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 propping up
Rotation platform 3b on frame body 3a and the rotary cylinder 3c being fixedly installed on rack body 3a, rotary flat
The left surface of platform 3b arranges cleft hand fixture 5, and rotation platform 3b is connected linkage with rotary cylinder 3c.Arrange
Rotation platform 3b realizes being carried out the test of torsional strength by the testing machine of the present invention, and disk clamp 6 is static not
Dynamic, rotary cylinder 3c drive rotation platform 3b to rotate, i.e. drive cleft hand fixture 5 to rotate and carry out cable torsion
Turn the test of intensity.
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 center of circle and uniformly arrange
The circular card stricture of vagina 5f1 of row, circular card stricture of vagina 5f1 is uniformly blocked is divided into six parts；Advance groove 5c3 interior and circular
Being provided with plurality of rows of rhombus cone 5c5 on the face that card stricture of vagina 5f1 is relative, the rhombus cone 5c5 of adjacent row is staggeredly set,
When screw rod 5e rotates, the circular card stricture of vagina 5f1 on rotating disk 5f rotates and coordinates with rhombus cone 5c5.Rotating disk 5f
On end face, the circular card stricture of vagina 5f1 of multistage can bore 5c5 when rotating disk 5f rotates with the rhombus in propelling groove 5c3
Xiang Ka, circular card stricture of vagina 5f1 are by the intermittent motion between rhombus cone 5c5, and pawl 5c mono-aspect is by rotating disk
The thrust of the end face axial of 5f, the relative rotating disk on the one hand by circular card stricture of vagina 5f1, rhombus cone 5c5 applied
The end face of 5f thrust radially, makes closing up and separating more steady, by circular card stricture of vagina 5f1 and rhombus of pawl 5c
After cone 5c5 limits, pawl 5c is difficult to rock, and clamps more stable；Reasonably circular card stricture of vagina 5f1 arranges that also order turns
Dish 5f and propelling groove 5c3 is mutually matched 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 the most evenly distributed multiple
Bulge loop 5e1, both sides are determined be provided with lockable mechanism 5a1, lockable mechanism 5a1 corresponding on frame 5a and are included rotating shaft
5a11, pivoted arm 5a12 and latch fitting 5a13, rotating shaft 5a11 is rotatably arranged on and determines on frame 5a, pivoted arm 5a12
One end connection rotating shaft 5a11, other end connection lock element 5a13, latch fitting 5a13 are semi-circular, in latch fitting 5a13
Wall has the groove 5a14 suitable with bulge loop 5e1, and it is rotationally symmetrical that the latch fitting 5a13 on frame 5a is determined in both sides
Structure, when the lockable mechanism 5a1 determined both sides on frame 5a rotates to bulge loop 5e1, latch fitting 5a13 is from two
Gusset becomes annulus to block bulge loop 5e1 location.After pawl 5c puts in place and blocks cable, by lockable mechanism 5a1
Cooperation with bulge loop 5e1 can effective locking screw bar 5e, also can sensor be set simultaneously at this, detection
When lockable mechanism 5a1 pins bulge loop 5el, screw rod 5e is failure to actuate, physically with Automated condtrol two
During aspect guarantee test, pawl 5c is unchanged, it is ensured that mechanical property testing accurate；Lockable mechanism 5a1 uses
Simple rotating shaft 51a1 design, is rotated by the latch fitting 51a3 same hour hands aspect of both sides, and latch fitting 51a3 is from two
Skirt becomes full circle to block bulge loop 5e1.
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,
The shape of chute 5b1 matches with slide block 5c1.Connection at each parts of cleft hand fixture 5 coordinates linkage
In the case of, for reducing the abrasion between parts, also make to determine activity between pawl 5b and pawl 5c more smooth and easy,
Arc is processed in both corners, slide block 5c1 and chute 5b1 "T"-shaped cross section, although add cost and
Difficulty of processing, but further increase the flexibility ratio of each parts of cleft hand fixture 5, make to wear and tear between each parts
Less, it is more beneficial for life-time service.
As the detailed description of the invention of a kind of improvement, determine pawl 5b and contact cooperation face and clamping face 5c2 with pawl 5c
Angle be 10-20 degree.The activity of the angle adaptation screw rod 5e of 10-20 degree, adaptive position-limit mechanism 5b2
And the activity determined between pawl 5b and pawl 5c, the activity making each parts is more flexible；10-20 angle ensures that two move
Pawl 5c can release cooperation under the drive of screw rod 5e smoothly, 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,
It is horizontally disposed with horizontal card article 5c22 on draw-in groove 5c21 inwall, clamping face 5c2 has been vertically arranged with perpendicular card article 5c23.
Draw-in groove 5c21 may be used for the less cable of card diameter or single insulating barrier, screen layer, protective layer, diameter
Less cable is by horizontal card article 5c22 contact location；The strain relief clamp being relatively large in diameter passes through clamping when draw-in groove 5c21
The location, limit, boundary of face 5c2 and draw-in groove 5c21；The location that above structure realizes is more stable, and is hardly damaged electricity
Cable, during for other shape and structures, can be positioned by the perpendicular card article 5c23 on clamping face 5c2.
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), described
Many groups servomotor (1) of symmetry is set on one sidewall of U-shaped frame (4), on described servomotor (1)
Arranging drive link (2), what the other end of described drive link (2) was rotatable is arranged at U-shaped frame (4)
On another sidewall, on described drive link (2) can left and right movable pan carriage (3) is set；Described cleft hand fixture
(5) be arranged on pan carriage (3) left surface, described disk clamp (6) be arranged on U-shaped frame (4) upper with
Cleft hand fixture (5) position is corresponding；Described disk clamp (6) includes the most concentric arrangement of first card
Ring group (6a), the second snap ring group (6b), the 3rd snap ring group (6c), pushing block (6d) and turntable (6e), institute
State the first snap ring group (6a), the second snap ring group (6b), the 3rd snap ring group (6c) by two in semi-annular shape
The individual half-round clamping ring being oppositely arranged is constituted, described first snap ring group (6a) and the snap ring of the 3rd snap ring 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),
It is elastic that two side lower parts of described first left snap ring (6a1) and the first right snap ring (6a2) opposite face are provided with first
Part (6a3), described second snap ring group (6b) includes snap ring on second (6b1) and second time snap ring (6b2),
On described second, two side lower parts of snap ring (6b1) and second time snap ring (6b2) opposite face are provided with the second bullet
Property part (6b3), described 3rd snap ring group (6c) includes the 3rd left snap ring (6c1) and the 3rd right snap ring (6c2),
It is elastic that two side lower parts of described 3rd left snap ring (6c1) and the 3rd right snap ring (6c2) opposite face are provided with the 3rd
Part (6c3), the outside of described 3rd left snap ring (6c1) and the 3rd right snap ring (6c2) is respectively provided with pushing block (6d),
The lower inside of described pushing block (6d) arranges the 4th elastic component (6d1), and the inner side of described turntable (6e) sets
Being equipped with the arcwall (6e1) corresponding with pushing block (6d), the side of described arcwall (6e1) is away from second
The center of circle of fixture, wall side moves closer to the center of circle to opposite side extension；When turntable (6e) rotates by arc
Wall (6e1) presses to pushing block (6d), pushing block (6d), the 3rd snap ring group (6c), the second snap ring group (6b),
First snap ring group (6a) is 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)
Determine frame (5a) including symmetrically arranged a pair and determine pawl (5b), described determining frame (5a) one end and be fixedly installed in
In pan carriage (3), the described other end determining frame (5a) is arranged determines pawl (5b), described determines pawl (5b)
Inner side arranges pawl (5c), and described pawl (5c) is "T"-shaped slide block (5c1) by cross section and determines pawl
(5b) chute (5b1) that upper section is "T"-shaped is slidably installed, pawl described in a pair (5c) phase
To clamping face (5c2) be arranged in parallel, match determine pawl (5b) and pawl (5c) contact coordinate face
With clamping face (5c2), there is angle；Described determine to be provided with between frame (5a) fixed pole (5d), described fixed pole (5d)
On be provided with vertical screw rod (5e), one end of described screw rod (5e) is provided with rotating disk (5f), described
The propelling groove (5c3) snapping in coupling for rotating disk (5f) it is provided with in pawl (5c)；Described determine on pawl (5b)
Being additionally provided with position-limit mechanism (5b2), described position-limit mechanism (5b2) rectangular frame-shaped, it includes determining pawl card column
(52b1), pawl card column (5b22) and two swing arms (5b23), described determine pawl card column (5b21) and wear
Being located in the loose slot (5b3) determined on pawl (5b), described pawl card column (5b22) is rotating to be located in
In turn trough (5c4) in pawl (5c), the two ends of two described swing arms (5b23) are hingedly connected to fixed
The two ends of pawl card column (5b21) and pawl card column (5b22) are formed rectangular box-like, described determine pawl (5b)
Two sides have the concave station (5b4) accommodating for swing arm (5b23) and swinging, the two side tool of described concave station
There is a cambered surface (5b5) matched with swing arm (5b23) event trace, described determine pawl (5b) outside and be rotary with
Positioning piece (5b6), described keeper (5b6) screws in loose slot (5b3) restriction and determines pawl card column (5b21)
Activity；Drive pawl (5c) to stretch out to close up when screw rod (5e) rotates ahead running；As screw rod (5e)
Rotating and drive pawl (5c) to regain separation when regaining, position-limit mechanism (5b2) all coordinates pawl (5c) to link
And it is spacing；Described servomotor (1) drives drive link (2) Spin Control pan carriage (3) translation to make disk
Fixture (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, its feature exists
In: the medial wall of described first left snap ring (6a1) and the first right snap ring (6a2) has ripple glaze (6a4),
The lateral wall of described first left snap ring (6a1) and the first right snap ring (6a2) has the first inclined-plane (6a5)；Institute
The medial wall stating snap ring on second (6b1) and second time snap ring (6b2) has and the first inclined-plane (6a5) phase
Inclined-plane (6b4) in the second of coupling, on described second outside snap ring (6b1) and second time snap ring (6b2)
Sidewall has the second outer inclined-plane (6b5)；Described 3rd left snap ring (6c1) and the 3rd right snap ring (6c2) interior
Sidewall 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 inner side of described pushing block (6d)
Wall has inclined-plane (6d2) in the 4th matched with the 3rd outer inclined-plane (6c5).
A kind of power cable strength tester with built-up jig the most according to claim 2, its feature exists
In: the lateral wall of described 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, its feature exists
In: being provided with two limited posts (7) in described pan carriage (3), two described limited posts (7) set respectively
Being placed in the outside of relative two drive links (2), 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 limit spring (8) contact U-shaped frame (4)
Time spacing, 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, its feature exists
In: described pan carriage (3) includes the rotation on rack body (3a) of rack body (3a), rotary setting
Platform (3b) and the rotary cylinder (3c) being fixedly installed on rack body (3a), described rotation platform (3b)
Left surface cleft hand fixture (5) is set, described rotation platform (3b) is connected parallel connection with rotary cylinder (3c)
Dynamic.
6. according to a kind of power cable strength tester with built-up jig according to any one of claim 1-5,
It is characterized in that: be provided with multilamellar on the end face of described rotating disk (5f) and lead to the circular card stricture of vagina that the center of circle is evenly distributed
(5f1), described circular card stricture of vagina (5f1) is uniformly blocked and is divided into six parts；In described propelling groove (5c3) with
Plurality of rows of rhombus cone (5c5) it is provided with, rhombus cone (5c5) of adjacent row on the face that circular card stricture of vagina (5f1) is relative
It is staggeredly set, circular card stricture of vagina (5f1) rotation when screw rod (5e) rotates, on described rotating disk (5f)
Turn and coordinate with rhombus cone (5c5).
A kind of power cable strength tester with built-up jig the most according to claim 6, its feature exists
In: it is provided with upper evenly distributed multiple bulge loops (5e1) on described screw rod (5e), fixed described in both sides
Frame (5a) is upper the most corresponding is provided with lockable mechanism (5a1), described lockable mechanism (5a1) include 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), other end connection lock element (5a13), described latch fitting (5a13)
In semi-circular, latch fitting (5a13) inwall has the groove (5a14) suitable with bulge loop (5e1), and both sides are fixed
Latch fitting (5a13) 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) from both sides
Location.
8. according to a kind of power cable strength tester with built-up jig according to any one of claim 1-5,
It is characterized in that: the corner in described slide block (5c1) "T"-shaped cross section is processed into arc, described chute (5b1)
Shape match with slide block (5c1).
A kind of power cable strength tester with built-up jig the most according to claim 8, its feature exists
In: it is described that determine pawl (5b) to contact the angle of cooperation face and clamping face (5c2) with pawl (5c) be 10-20
Degree.
10. according to a kind of power cable strength test with built-up jig according to any one of claim 1-5
Machine, it is characterised in that: described clamping face (5c2) middle part is provided with the draw-in groove (5c21) of level, described draw-in groove
(5c21) it has been horizontally disposed with horizontal card article (5c22) on inwall, described clamping face (5c2) has been vertically arranged with perpendicular
Card article (5c23).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510676.4A CN105954096B (en) | 2016-06-27 | 2016-06-27 | Power cable strength test machine with modular fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510676.4A CN105954096B (en) | 2016-06-27 | 2016-06-27 | Power cable strength test machine with modular fixture |
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| CN105954096B CN105954096B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610510676.4A Active CN105954096B (en) | 2016-06-27 | 2016-06-27 | Power cable strength test machine with modular fixture |
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| CN107101879A (en) * | 2017-06-06 | 2017-08-29 | 华侨大学 | A kind of pipe fitting impact test fixture |
| CN107941601A (en) * | 2017-12-20 | 2018-04-20 | 西南交通大学 | A kind of load maintainer of shield tunnel construction duct piece connector test device |
| CN112051041A (en) * | 2020-08-03 | 2020-12-08 | 人本股份有限公司 | Rotating shaft compressive strength detection device |
| CN113533043A (en) * | 2021-07-08 | 2021-10-22 | 萍乡强盛电瓷制造有限公司 | Tension detection device for disc-type suspension porcelain insulator |
| CN116399704A (en) * | 2023-04-26 | 2023-07-07 | 桐庐华邦五金工具有限公司 | Stretch force detection device for elastic rope |
| CN117147129A (en) * | 2023-09-04 | 2023-12-01 | 威海壹言自动化科技有限公司 | Clamp fixing strength testing device |
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| CN112051041A (en) * | 2020-08-03 | 2020-12-08 | 人本股份有限公司 | Rotating shaft compressive strength detection device |
| CN113533043A (en) * | 2021-07-08 | 2021-10-22 | 萍乡强盛电瓷制造有限公司 | Tension detection device for disc-type suspension porcelain insulator |
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| CN116399704B (en) * | 2023-04-26 | 2024-01-26 | 桐庐华邦五金工具有限公司 | Stretch force detection device for elastic rope |
| CN117147129A (en) * | 2023-09-04 | 2023-12-01 | 威海壹言自动化科技有限公司 | Clamp fixing strength testing device |
| CN117147129B (en) * | 2023-09-04 | 2024-04-05 | 威海壹言自动化科技有限公司 | Clamp fixing strength testing device |
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| CN105954096B (en) | 2018-08-17 |
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Effective date of registration: 20180709 Address after: 415100 Kong Family settlement community in Guo Jia Pu street, Dingcheng District, Changde, Hunan (north of Xingye Road, west of Yongxing Road) Applicant after: HUNAN JIADA WIRE AND CABLE CO., LTD. Address before: 325000 Wenzhou, Zhejiang economic and Technological Development Zone, 113 Cang West Road South Head Applicant before: Wenzhou Jizhi Technology Co., Ltd. |
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