CN109490066A - A kind of electric-power safe instruments mechanical property test equipment - Google Patents
A kind of electric-power safe instruments mechanical property test equipment Download PDFInfo
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- CN109490066A CN109490066A CN201811375590.0A CN201811375590A CN109490066A CN 109490066 A CN109490066 A CN 109490066A CN 201811375590 A CN201811375590 A CN 201811375590A CN 109490066 A CN109490066 A CN 109490066A
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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
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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
- G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
-
- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
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- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0035—Spring
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- 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
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of electric-power safe instruments mechanical property test equipment, including experimental bench, the identical riser of a pair of of structure, the identical upright slide rail of a pair of of structure and top plate, a pair of riser is placed on experimental bench, a pair of upright slide rail is placed on a pair of riser relative wall, on the experimental bench, and be located between a pair of upright slide rail and mechanical test mechanism is installed, failure test mechanism is installed on a pair of upright slide rail；The Mechanics Performance Testing equipment, delicate structure, it is easy to use, by multiple functions collection together in one, it only needs to replace small part component on it when carrying out different experiments, it thus uses very convenient for comparison replacement instrument and equipment completely, while also reducing cost, structure size is moderate, it is more suitable for medium-sized and small enterprises, cost is controllable, and the simulation simultaneously for destructive testing is more nearly reality, can observe the mechanical characteristic of managing security tools and instruments conscientiously.
Description
Technical field
The present invention relates to managing security tools and instruments performance aircraft technical field, especially a kind of electric-power safe instruments mechanical property
It can testing equipment.
Background technique
Existing electric-power safe instruments Mechanics Performance Testing equipment, structure is complicated, and use cost is high, and function list
One, since the experiment of two kinds of property cannot be carried out simultaneously, thus alternative is needed, such as after progress pull test, it is desirable into
The experimental bench with protective fence and other assemblies is needed replacing when the destructive test of row safety cap and flattening experiment, is dropped significantly
Low conventional efficient, increases experimental cost, simultaneously because do not have versatility, and in simulated damage test, it is right
It is not in place in the wedge block simulation that different height falls, the mechanical characteristic of managing security tools and instruments can not be measured completely, in consideration of it, being directed to
Above problem further investigation, there is this case generation then.
Summary of the invention
The purpose of the present invention is to solve the above problem, devises a kind of electric-power safe instruments mechanical property test and set
It is standby.
Above-mentioned purpose is realized the technical solution of the present invention is as follows: a kind of electric-power safe instruments mechanical property test equipment, packet
Experimental bench, the identical riser of a pair of of structure, the identical upright slide rail of a pair of of structure and top plate, a pair of riser is included to be placed in
On experimental bench, a pair of upright slide rail is placed on a pair of riser relative wall, and the top plate is placed in described in a pair
Riser upper end on the experimental bench, and is located between a pair of upright slide rail and is equipped with mechanical test mechanism, a pair of described perpendicular
Failure test mechanism is installed on straight sliding rail；
The mechanical test mechanism comprising: pulling force force adding machine and grip mechanism；
The pulling force reinforcing structure comprising: the identical splicing block of two pairs of structures, the identical bolt of a pair of of structure, two pairs
The identical limit card block of structure, transverse slat, the identical thread spindle of a pair of of structure, the identical ball nut of a pair of of structure, a pair of of structure
Identical driven wheel of differential, the identical first servo motor of a pair of of structure, the identical drive bevel gear of a pair of of structure, a pair of of structure
Identical loading plate, the identical slide plate of two pairs of structures, identical second servo motor of two pairs of structures, the identical nut of two pairs of structures
Bracket, the identical inserted link of two pairs of structures and the identical threaded rod of two pairs of structures；
Two pairs of splicing blocks are placed in a pair of upright slide rail two sides respectively, and by being bolted described in a pair,
Two pairs of limit card blocks are placed on two couples of splicing block relative walls, and the transverse slat is placed in two pairs of limit card blocks
On, a pair of riser relative wall is upper and offers the identical guide groove of two pairs of structures positioned at a pair of upright slide rail two sides,
The identical vertical slot of a pair of of structure is offered in a pair of riser, a pair of thread spindle is movably installed in a pair of vertical slot
Between upper lower wall surface, a pair of ball nut is assemblied on a pair of thread spindle, and a pair of driven wheel of differential is set in
A pair of thread spindle lower end, a pair of first servo motor is placed on a pair of vertical slot lower inner wall face, described in a pair
Drive bevel gear is installed on a pair of first servo motor driving end, and is engaged with a pair of driven wheel of differential, a pair of
The loading plate is placed on a pair of ball nut, on a pair of loading plate, and is located at a pair of thread spindle two sides
The identical sliding slot of two pairs of structures is offered, two pairs of slide plates are in two pairs of sliding slots, two pairs of the second servo electricity
Machine is placed on two pairs of slide plates, and two pairs of nut brackets are placed in respectively on a pair of loading plate, and are located at two pairs
On the inside of the sliding slot, the identical jack of two pairs of structures is offered on two pairs of splicing block outer side surfaces, two pairs of inserted links are inserted
Loaded in two pairs of jacks, on a pair of loading plate, and it is located at below two pairs of threaded rods and offers two pairs of structure phases
Same sliding slot, two pairs of described threaded rod one end are connected on two pairs of servo motors driving ends, and two pairs of threaded rods are another
End is flush-mounted in and is connected on two pairs of inserted link end faces；
It is described to grip structure comprising: the identical horizontal slide rail of a pair of of structure, bottom plate, two pairs of structures are identical leads
Column, the identical guide sleeve of two pairs of structures and the identical arc panel of two pairs of structures；
A pair of horizontal slide rail is placed on experimental bench, and is located between a pair of upright slide rail, under the bottom plate
Wall surface offers the identical through slot of a pair of of structure, and the bottom plate is installed on a pair of horizontal slide rail by a pair of through slot
On, the bottom plate upper wall surface offers placing groove, and on the bottom plate, two pairs of guide sleeves are set in two pairs of guide posts
On two pairs of guide posts, two pairs of arc panels are placed on two couples of guide sleeve relative walls.
The failure test mechanism comprising: hitch structure, voussoir acceleration structure and side safeguard structure.
The hitch structure comprising: installs case, roller bearing, the identical draught line of a pair of of structure, driven gear, third are watched
Take motor and driving gear；
The installs case is placed on top plate, and its lower wall surface is open, and the roller bearing is plugged in two side walls in installs case
Between, a pair of described draught line one end lies in the roller bearing both ends, and it is identical that the installs case lower wall surface offers a pair of of structure
Threading hole, a pair of draught line other end pass through a pair of threading hole and lie in transverse slat both ends, and the driven gear is set in
In roller bearing outside wall surface, the third servo motor is placed on installs case lower inner wall face, and the driving gear is installed on third and watches
It takes on motor drive terminal, and is engaged with a pair of driven gear.
The voussoir accelerating structure comprising: if the identical baffle of a pair of of structure, the identical electric pushrod of stem structure, on
If if if the identical hook of the identical electro-magnet switch of siding, stem structure, wedge block, stem structure and the identical pulling force of stem structure
Spring；
A pair of baffle is placed on a pair of riser relative wall, and is located above a pair of upright slide rail,
Several electric pushrods are connected to several institutes in top plate, and positioned at threading hole front and rear, the wainscot
It states on electric pushrod telescopic end, for several electro-magnet switch in wainscot lower wall surface, the wedge block is installed on cross
On plate lower wall surface, for several hooks in transverse slat upper wall surface, several tension springs are connected to several hooks
And between several electro-magnet switch.
The side safeguard structure comprising: if the identical vertical bar of two pairs of structures, the identical cross bar of two pairs of structures, dry and hard
The identical fender rod of structure and steel wire；
Two pairs of vertical bars are placed on experimental bench, and two pairs of cross bars are connected between two pairs of vertical bar upper ends, if
It does the fender rod to be connected between two pairs of cross bars and experimental bench, the steel wire is wrapped in several fender rod outer walls
On face.
With the mesh of 5 × 5mm on the steel wire.
Screw thread is carved in the wedge block upper end, and matching internal screw thread block is equipped on transverse slat lower wall surface.
Be equipped with several monitoring probes on a pair of riser: the monitoring probe is for recording experimentation.
Transverse slat upper wall surface center is equipped with threaded block: the threaded block is for installing pull test clamping jaw.
A pair of draught line is nylon yarn material-structure.
The Mechanics Performance Testing equipment made using technical solution of the present invention, delicate structure is easy to use, by a variety of function
It can collect together in one, only need to replace small part component on it when carrying out different experiments, thus it is complete to use comparison
It is very convenient for replacement instrument and equipment, while cost is also reduced, structure size is moderate, it is more suitable for medium-sized and small enterprises, at
This is controllable, and the simulation simultaneously for destructive testing is more nearly reality, and the mechanics that can observe managing security tools and instruments conscientiously is special
Property.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of electric-power safe instruments mechanical property test equipment of the present invention.
Fig. 2 is a kind of side structure schematic view of electric-power safe instruments mechanical property test equipment of the present invention.
Fig. 3 is that a kind of riser cross sectional side structure of electric-power safe instruments mechanical property test equipment of the present invention is shown
It is intended to.
Fig. 4 is a kind of overlooking structure diagram of electric-power safe instruments mechanical property test equipment of the present invention.
Fig. 5 shows for a kind of partial enlargement structure of electric-power safe instruments mechanical property test equipment described in Fig. 1 of the present invention
It is intended to.
In figure: 1, experimental bench；2, riser；3, upright slide rail；4, top plate；5, splicing block；6, bolt；7, limit card block；8,
Transverse slat；9, thread spindle；10, ball nut；11, driven wheel of differential；12, first servo motor；13, drive bevel gear；14, it carries
Plate；15, slide plate；16, the second servo motor；17, nut bracket；18, inserted link；19, threaded rod；20, horizontal slide rail；21, bottom plate；
22, guide post；23, guide sleeve；24, arc panel；25, installs case；26, roller bearing；27, draught line；28, driven gear；29, third servo
Motor；30, driving gear；31, baffle；32, electric pushrod；33, wainscot；34, electro-magnet switch；35, wedge block；36, it hangs
Hook；37, tension spring；38, vertical bar；39, cross bar；40, fender rod；41, steel wire；42, internal screw thread block；43, monitoring probe；
44, threaded block.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, as shown in Figs. 1-5, a kind of electric-power safe instruments mechanical property
Energy testing equipment, including experimental bench 1, the identical riser 2 of a pair of of structure, the identical upright slide rail 3 of a pair of of structure and top plate 4,
A pair of riser 2 is placed on experimental bench 1, and a pair of upright slide rail 3 is placed on a pair of 2 relative wall of riser,
The top plate 4 is placed in a pair of 2 upper end of riser, on the experimental bench 1, and is located between a pair of upright slide rail 3 and pacifies
Equipped with mechanical test mechanism, failure test mechanism is installed on a pair of upright slide rail 3；The mechanical test mechanism, packet
It includes: pulling force force adding machine and gripping mechanism；The pulling force reinforcing structure comprising: the identical splicing block of two pairs of structures
5, the identical limit card block 7 of identical 6, the two pairs of structures of bolt of a pair of of structure, transverse slat 8, the identical thread spindle 9, one of a pair of of structure
To the identical ball nut of structure 10, the identical driven wheel of differential 11 of a pair of of structure, the identical first servo motor of a pair of of structure
12, the identical drive bevel gear 13 of a pair of of structure, the identical slide plate 15, two of identical 14, the two pairs of structures of loading plate of a pair of of structure
The identical inserted link 18 of 16, two pairs of structures of the second servo motor identical to structure, 17, two pairs of structures of identical nut bracket and
The identical threaded rod 19 of two pairs of structures；Two pairs of splicing blocks 5 are placed in a pair of 3 two sides of upright slide rail respectively, and pass through
A pair of bolt 6 connects, and two pairs of limit card blocks 7 are placed on two couples of 5 relative walls of splicing block, the transverse slat 8
It is placed in two pairs of limit card blocks 7, a pair of 2 relative wall of riser is upper and is located at a pair of 3 two sides of upright slide rail
The identical guide groove of two pairs of structures is offered, the identical vertical slot of a pair of of structure, a pair of screw thread are offered in a pair of riser 2
Axis 9 is movably installed in a pair of vertical slot between upper lower wall surface, and a pair of ball nut 10 is assemblied in a pair of screw thread
On axis 9, a pair of driven wheel of differential 11 is set in a pair of 9 lower end of thread spindle, and a pair of first servo motor 12 is pacified
It is placed on a pair of vertical slot lower inner wall face, a pair of drive bevel gear 13 is installed on a pair of first servo motor 12 and drives
It on moved end, and is engaged with a pair of driven wheel of differential 11, a pair of loading plate 14 is placed in a pair of ball nut 10
On, on a pair of loading plate 14, and it is located at a pair of 9 two sides of thread spindle and offers the identical sliding slot of two pairs of structures, two pairs
In two pairs of sliding slots, two pairs of second servo motors 16 are placed on two pairs of slide plates 15 slide plate 15,
Two pairs of nut brackets 17 are placed in respectively on a pair of loading plate 14, and are located on the inside of two pairs of sliding slots, two pairs of institutes
It states and offers the identical jack of two pairs of structures on 5 outer side surface of splicing block, two pairs of inserted links 18 are plugged in two pairs of jacks
It is interior, on a pair of loading plate 14, and it is located at below two pairs of threaded rods 19 and offers the identical sliding slot of two pairs of structures, two pairs
Described 19 one end of threaded rod is connected on two pairs of servo motor driving ends, and two pairs of 19 other ends of threaded rod are flush-mounted in company
It is connected on two pairs of 18 end faces of inserted link；It is described to grip structure comprising: the identical horizontal slide rail 20 of a pair of of structure, bottom
The identical guide sleeve 23 of 22, two pairs of structures of the identical guide post of 21, two pairs of structures of plate and the identical arc panel 24 of two pairs of structures；It is a pair of
The horizontal slide rail 20 is placed on experimental bench 1, and is located between a pair of upright slide rail 3, and 21 lower wall surface of bottom plate is opened
Equipped with the identical through slot of a pair of of structure, the bottom plate 21 is installed on a pair of horizontal slide rail 20 by a pair of through slot,
21 upper wall surface of bottom plate offers placing groove, and two pairs of guide posts 22 are on the bottom plate 21, two pairs of guide sleeves 23
It is set on two pairs of guide posts 22, two pairs of arc panels 24 are placed on two couples of 23 relative walls of guide sleeve；It is described broken
Bad test mechanism comprising: hitch structure, voussoir acceleration structure and side safeguard structure；The hitch structure, packet
It includes: installs case 25, roller bearing 26, the identical draught line 27 of a pair of of structure, driven gear 28, third servo motor 29 and driving tooth
Wheel 30；The installs case 25 is placed on top plate 4, and its lower wall surface is open, and the roller bearing 26 is plugged in two sides in installs case 25
Between wall surface, a pair of described 27 one end of draught line lies in 26 both ends of roller bearing, and 25 lower wall surface of installs case offers a pair
The identical threading hole of structure, a pair of 27 other end of draught line pass through a pair of threading hole and lie in 8 both ends of transverse slat, it is described from
Moving gear 28 is set in 26 outside wall surface of roller bearing, and the third servo motor 29 is placed on 25 lower inner wall face of installs case, described
Driving gear 30 is installed on third servo motor 29 and drives on end, and engages with a pair of driven gear 28；The voussoir adds
Fast structure comprising: if if the identical baffle 31 of a pair of of structure, the identical electric pushrod 32 of stem structure, wainscot 33, stem structure
If if the identical hook 36 of identical electro-magnet switch 34, wedge block 35, stem structure and the identical tension spring 37 of stem structure；
A pair of baffle 31 is placed on a pair of 2 relative wall of riser, and is located at a pair of 3 top of the upright slide rail, several
The electric pushrod 32 is connected to several institutes in top plate 4, and positioned at threading hole front and rear, the wainscot 33
It states on 32 telescopic end of electric pushrod, several electro-magnet switch 34 are in 33 lower wall surface of wainscot, the wedge block 35
It is installed on 8 lower wall surface of transverse slat, in 8 upper wall surface of transverse slat, several tension springs 37 connect several hooks 36
Between several hooks 36 and several electro-magnet switch 34；The side safeguard structure comprising: two pairs of structures
If the identical cross bar 39 of 38, two pairs of structures of identical vertical bar, the identical fender rod 40 of stem structure and steel wire 41；Described in two pairs
Vertical bar 38 is placed on experimental bench 1, and two pairs of cross bars 39 are connected between two pairs of 38 upper ends of vertical bar, several protection
Bar 40 is connected between two pairs of cross bars 39 and experimental bench 1, and the steel wire 41 is wrapped in several 40 outer walls of the fender rod
On face；With the mesh of 5 × 5mm on the steel wire 41；Screw thread is carved in 35 upper end of wedge block, pacifies on 8 lower wall surface of transverse slat
Equipped with matching internal screw thread block 42；Be equipped with several monitoring probes 43 on a pair of riser 2: the monitoring probe 43 is used for
Record experimentation；The 8 upper wall surface center of transverse slat is equipped with threaded block 44: the threaded block 44 is for installing pull test folder
Pawl；A pair of draught line 27 is nylon yarn material-structure.
The characteristics of the present embodiment, is, including experimental bench 1, the identical riser 2 of a pair of of structure, a pair of of structure are identical vertical
Sliding rail 3 and top plate 4, a pair of of riser 2 are placed on experimental bench 1, and a pair of of upright slide rail 3 is placed in a pair of of 2 relative wall of riser
On, top plate 4 is placed in a pair of of 2 upper end of riser, on experimental bench 1, and is located between a pair of of upright slide rail 3 and is equipped with mechanics tester
Structure is equipped with failure test mechanism on a pair of of upright slide rail 3；Mechanical test mechanism comprising: pulling force force adding machine and clamping
Fixed mechanism；Pulling force reinforcing structure comprising: identical 6, two pairs of the bolt knots of the identical splicing block 5 of two pairs of structures, a pair of of structure
The identical limit card block 7 of structure, transverse slat 8, the identical thread spindle 9 of a pair of of structure, the identical ball nut 10 of a pair of of structure, Yi Duijie
The identical driven wheel of differential 11 of structure, the identical first servo motor 12 of a pair of of structure, the identical drive bevel gear 13 of a pair of of structure,
Identical 15, two 16, two pairs of the second servo motor identical to structure of slide plate of identical 14, the two pairs of structures of loading plate of a pair of of structure
The identical inserted link 18 of 17, two pairs of structures of the identical nut bracket of structure and the identical threaded rod 19 of two pairs of structures；Two pairs of splicings
Block 5 is placed in a pair of of 3 two sides of upright slide rail respectively, and is connected by a pair of bolts 6, and two pairs of limit card blocks 7 are placed in two pairs of spellings
It connects on 5 relative wall of block, transverse slat 8 is placed in two pairs of limit card blocks 7, and a pair of of 2 relative wall of riser is upper and is located at a pair vertically
3 two sides of sliding rail offer the identical guide groove of two pairs of structures, offer the identical vertical slot of a pair of of structure, a pair of of spiral shell in a pair of of riser 2
Line axis 9 is movably installed in a pair of of vertical slot between upper lower wall surface, and a pair of of ball nut 10 is assemblied on a pair of of thread spindle 9, a pair of
Driven wheel of differential 11 is set in a pair of of 9 lower end of thread spindle, and a pair of of first servo motor 12 is placed on a pair of of vertical slot lower inner wall face,
A pair of of drive bevel gear 13 is installed on a pair of of first servo motor 12 and drives on end, and engages with a pair of of driven wheel of differential 11, one
Loading plate 14 is placed on a pair of of ball nut 10, on a pair of of loading plate 14, and is located at 9 two sides of a pair of of thread spindle and offers two
Sliding slot identical to structure, for two pairs of slide plates 15 in two pairs of sliding slots, two pair of second servo motor 16 is placed in two pairs of slide plates
On 15, two pairs of nut brackets 17 are placed in respectively on a pair of of loading plate 14, and are located on the inside of two pairs of sliding slots, outside two pairs of splicing blocks 5
The identical jack of two pairs of structures is offered in side wall surface, two pairs of inserted links 18 are plugged in two pairs of jacks, on a pair of of loading plate 14, and
The identical sliding slot of two pairs of structures is offered below two pairs of threaded rods 19, two pairs of 19 one end of threaded rod are connected to two pairs of servo electricity
Machine drives on end, and two pairs of 19 other ends of threaded rod, which are flush-mounted in, to be connected on two pairs of 18 end faces of inserted link；Structure is gripped, is wrapped
It includes: the identical horizontal slide rail 20 of a pair of of structure, the identical guide sleeve 23 of 21, two pairs of structures of bottom plate, 22, two pairs of structures of identical guide post
And the identical arc panel 24 of two pairs of structures；A pair of of horizontal slide rail 20 is placed on experimental bench 1, and is located at a pair of of upright slide rail 3
Between, 21 lower wall surface of bottom plate offers the identical through slot of a pair of of structure, and bottom plate 21 is installed on a pair of horizontal sliding by a pair of of through slot
On rail 20,21 upper wall surface of bottom plate offers placing groove, and for two pairs of guide posts 22 on bottom plate 21, two pairs of guide sleeves 23 are set in two pairs
On guide post 22, two pairs of arc panels 24 are placed on two couples of 23 relative walls of guide sleeve；The Mechanics Performance Testing equipment, delicate structure,
It is easy to use, it only needs to replace small part component on it by multiple functions collection together in one, when carrying out different experiments, thus
It uses very convenient for comparison replacement instrument and equipment completely, while also reducing cost, structure size is moderate, more suitable
Medium-sized and small enterprises are closed, cost is controllable, and the simulation simultaneously for destructive testing is more nearly reality, can observe safety conscientiously
The mechanical characteristic of Work tool.
Under be classified as the model of partial electric part mentioned in this case；
First servo motor: 180 series 7.9KW DC low-voltage servo motors of moral mark Motor Corporation production.
Second servo motor, third servo motor: the MX201N2LN07 type servo of ring three-way motor Science and Technology Ltd. production
Motor.
Servo-driver: the gloomy board HST1 type servo-driver of flood, driver are also known as " servo controller ", " servo amplification
Device " is a kind of controller for controlling servo motor, and effect is similar to frequency converter and acts on common alternating current motor, is belonged to
A part of servo-system is mainly used in high-precision positioning system.Generally by three kinds of position, speed and torque modes
Servo motor is controlled, high-precision transmission system positioning is realized, is currently the high-end product of drive technology.
Controller: using the industrial computer of the TP1568 model produced with Pu industry control, industrial computer is to specialize in industry to make
Industrial control computer, basic performance and compatibility and commercial computer are very nearly the same, but industrial computer is more note
The stability of weight under various circumstances, wherein Foxconn's industrial panel computer (FOXKPC) is most representative.For man-machine interface and
Production procedure control provides best solution.
Electric pushrod: H&T chromium nameplate HTA2500-100 type electric pushrod.
Electro-magnet switch: just board electric door lock switch forever.
Under be classified as splicing block, transverse slat, riser, upright slide rail, loading plate, nut bracket, arc panel, steel wire in this case
And internal screw thread is block-shaped and the explanation of material；
Splicing block: Q235 material opens up reeded rectangular panel blocks.
Transverse slat: the upper wall surface of Q235 material has the rectangular panel blocks of several hooks.
Riser: the side wall surface of Q235 material is provided with the rectangle hollow plate of through slot.
Upright slide rail: the cross section of Q235 material is I-shaped sliding rail.
Loading plate: the center of Q235 material is provided with the rectangular panel blocks of circular through hole.
Nut bracket: the tool internal thread rectangle support of Q235 material.
Arc panel: the arc-shaped plate of Q235 material.
Steel wire: the mesh grid with prismatic through-hole of stainless steel material.
Internal screw thread block: the center of Q235 material offers the rectangular panel blocks in cylindrical female hole.
By those skilled in the art, the power supply that electricity pieces all in this case are adapted to it is attached by conducting wire, and
Suitable controller should be selected according to the actual situation, to meet demand for control, specific connection and control sequence should be referred to
In following working principles, successive job order is completed to be electrically connected between each electricity piece, detailed connection means, is that this field is public
Know technology, it is following mainly to introduce working principle and process, it is not explained to electrical control.
Embodiment: in use, experimental bench 1 is placed in laboratory in ground grading, whole device relies on experimental bench 1
It is placed, reduces the pressure to ground, 1 upper wall surface two sides of experimental bench are equipped with a pair of of riser 2, and relative wall's installation is vertical
Sliding rail 3,3 two sides of upright slide rail are equipped with splicing block 5, and splicing block 5 is connected and fixed after docking with bolt 6, can be in upright slide rail 3
On move up and down, transverse slat 8 is fixed on two pairs of splicing blocks spliced 5 by limit card block 7, and thread spindle 9 is mounted on perpendicular
In vertical slot in plate 2, lower end is equipped with driven wheel of differential 11, and active conical tooth by first servo motor 12 and thereon
Wheel 13 is driven, and offers jack on two pairs of 5 rear surfaces of splicing block, ball nut 10, ball nut are equipped on thread spindle 9
Loading plate 14 is installed on 10,9 two sides of thread spindle are located on loading plate 14 and offer sliding slot, are embedded in slide plate 15, slide plate in sliding slot
15 are equipped with the second servo motor 16, and offer through slot in the corresponding position of riser 2, and threaded rod 19 passes through nut bracket
17 is fixed, and can be rotationally advancing in it, and 19 one end of threaded rod connects the second servo motor 16, and the other end connects inserted link
18, inserted link 18 is inserted into jack, if you need to carry out the pull test of electric-power safe instruments, in the threaded block 44 on transverse slat 8
Be screwed on clamping jaw, and the lower end in electric-power safe instruments is held in clamping jaw, and upper end is hung on hook 36, by controller to watching
It takes driver and sends signal, then signal is sent to the second servo motor 16 by servo-driver, the second servo motor 16 receives
Signal rotates in the forward direction, and drives threaded rod 19 thereon to rotate, and move forward in nut bracket 17, drives the second servo electricity
Machine 16 moves forward on slide plate 15, and the inserted link 18 of 19 front end of threaded rod moves forward in insertion jack, makes transverse slat 8 and ball spiral shell
Mother 10 is attached, and sends electric signal after first servo motor 12 receives signal to first servo motor 12 by controller and opens
Begin to rotate, and drive bevel gear 13 is driven to rotate, drive bevel gear 13 is engaged with driven wheel of differential 11, and thread spindle 9 is driven to revolve
Turn, the ball in ball nut 10 is under the action of rollback device, the movement to move in circles, and drives under ball nut 10
It moves, 14 center of loading plate on ball nut 10 is provided with through-hole, and through-hole allows loading plate 14 to follow rolling by thread spindle 9
Pearl nut 10 moves up and down, and by inserted link 18 and through slot, transverse slat 8 is moved up and down on upright slide rail 3,
The clamping jaw in threaded block 44 on transverse slat 8 declines therewith, and the two stretches electric-power safe instruments, by built in clamping jaw
Sensor senses pulling force, and sends controller to, and controller is shown by data processing, is counted in this way
According to record, if you need to carry out destructive test, then need device reset after, control first servo motor 12 invert, by inserted link
18 exit jack, at this point, closing first servo motor 12 and the second servo motor 16, electric-power safe instruments are especially safe
Cap, it is especially important for the protection of worker, and destructive testing is essential one in safety cap mechanics properties testing
Ring, common Mechanics Performance Testing equipment need replacing matched detection device, not only waste time, but also higher cost, lead to
Safety cap is fixed in the placing groove of bottom plate 21 by the fixed structure crossed in the device, and bottom plate 21 is movably installed in reality by sliding rail
It tests on platform 1,21 center placing groove two sides of bottom plate are equipped with guide post 22 and guide sleeve 23, by the way that guide sleeve 23 is sleeved on guide post 22
On, and the arc panel 24 between guide sleeve 23 is stuck in safety cap surrounding, at this time the internal screw thread block on 8 lower wall surface of transverse slat
Be screwed on wedge block 35 in 42, and wedge block 35 is located at the top of safety cap, and transverse slat 8 is stretched to highest point by traction device at this time,
Highest point has the limitation of baffle 31, and it is traction device in installs case 25, interior two sides are opposite that 4 upper wall surface of top plate, which is equipped with installs case 25,
Wall surface inserts roller bearing 26, driven gear 28 is set on roller bearing 26, and pass through the engagement of motor and driving gear 30 and its
It drives it to rotate clockwise or counter-clockwise, and then draught line 27 is withdrawn or released, 27 lower end of draught line is tied up in transverse slat 8
On, after transverse slat 8 is raised to highest point, one end of tension spring 37 is fixed by the electro-magnet switch 34 of 8 upper wall surface of transverse slat, is drawn
The other end of power spring 37 is hung on the hook 36 of wainscot 33, and hook 36 is placed on the lower wall surface of wainscot 33, hook 36
Tension spring 37 is installed between electro-magnet switch 34, wainscot 33 is tension spring by 32 pull-up of electric pushrod
37 store power, when being tested, control electromagnet by controller and open, 37 moment of tension spring unclamps, and transverse slat 8 is in direction force
The lower tenesmus of effect destroys safety cap by wedge block 35, and by monitoring probe 43, records to destructive process,
In order to the stress condition at each position of safety cap during research experiment, the quantity by changing tension spring 37 can be real
The different initial acceleration of existing wedge block 35, and then change the initial kinetic energy of wedge block 35, in order to simulate wedge block 35 not
Level tenesmus situation is equipped with protective device in 1 surrounding of experimental bench, and vertical bar 38 and cross bar 39 surround the protection of square
Frame is equipped with protective net on protective frame, and the safety cap fragmentation splashing after protective net can avoid damage to is hurted sb.'s feelings, and passes through the equipment energy
Enough realize different requirement of experiment, a kind of equipment carries out different experiments of machanics, and this is simple by tension spring 37
Equipment, simulates execution of the different height tenesmus object to safety cap, delicate structure, and easy to use, while cost
It is moderate, it is suitble to medium-sized and small enterprises to use.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of electric-power safe instruments mechanical property test equipment, including experimental bench (1), the identical riser (2) of a pair of of structure,
The identical upright slide rail (3) of a pair of of structure and top plate (4), which is characterized in that a pair of riser (2) is placed in experimental bench
(1) on, a pair of upright slide rail (3) is placed on a pair of riser (2) relative wall, and the top plate (4) is placed in one
To the riser (2) upper end, on the experimental bench (1), and it is located between a pair of upright slide rail (3) and mechanical test is installed
Mechanism is equipped with failure test mechanism on a pair of upright slide rail (3)；
The mechanical test mechanism comprising: pulling force force adding machine and grip mechanism；
The pulling force reinforcing structure comprising: the identical splicing block (5) of two pairs of structures, the identical bolt (6) of a pair of of structure, two
To the identical limit card block of structure (7), transverse slat (8), the identical thread spindle (9) of a pair of of structure, the identical ball spiral shell of a pair of of structure
Female (10), the identical driven wheel of differential (11) of a pair of of structure, the identical first servo motor (12) of a pair of of structure, a pair of of structure phase
Drive bevel gear (13) together, the identical loading plate (14) of a pair of of structure, the identical slide plate (15) of two pairs of structures, two pairs of structure phases
The second servo motor (16) together, the identical nut bracket (17) of two pairs of structures, the identical inserted link (18) of two pairs of structures and two
To the identical threaded rod of structure (19)；
Two pairs of splicing blocks (5) are placed in a pair of upright slide rail (3) two sides respectively, and pass through a pair of bolt (6)
Connection, two pairs of limit card blocks (7) are placed on two couples of splicing block (5) relative walls, and the transverse slat (8) is placed in two
To on the limit card block (7), a pair of riser (2) relative wall is upper and opens positioned at a pair of upright slide rail (3) two sides
Equipped with the identical guide groove of two pairs of structures, the identical vertical slot of a pair of of structure, a pair of screw thread are offered in a pair of riser (2)
Axis (9) is movably installed in a pair of vertical slot between upper lower wall surface, and a pair of ball nut (10) is assemblied in described in a pair
On thread spindle (9), a pair of driven wheel of differential (11) is set in a pair of thread spindle (9) lower end, and a pair described first is watched
It takes motor (12) to be placed on a pair of vertical slot lower inner wall face, a pair of drive bevel gear (13) is installed on a pair of described the
One servo motor (12) drives on end, and engages with a pair of driven wheel of differential (11), a pair of loading plate (14) placement
In on a pair of ball nut (10), on a pair of loading plate (14), and it is located at a pair of thread spindle (9) two sides and opens up
There is the identical sliding slot of two pairs of structures, two pairs of slide plates (15) are in two pairs of sliding slots, two pairs of the second servo electricity
Machine (16) is placed on two pairs of slide plates (15), and two pairs of nut brackets (17) are placed in a pair of loading plate respectively
(14) on, and it is located on the inside of two pairs of sliding slots, it is identical to offer two pairs of structures on two pairs of splicing block (5) outer side surfaces
Jack, two pairs of inserted links (18) are plugged in two pairs of jacks, on a pair of loading plate (14), and are located at described in two pairs
Offer the identical sliding slot of two pairs of structures below threaded rod (19), two pairs of described threaded rod (19) one end be connected to two pairs described in watch
It takes on motor drive terminal, two pairs of threaded rod (19) other ends, which are flush-mounted in, to be connected on two pairs of inserted link (18) end faces；
It is described to grip structure comprising: the identical horizontal slide rail (20) of a pair of of structure, bottom plate (21), two pairs of structures are identical
Guide post (22), the identical guide sleeve (23) of two pairs of structures and the identical arc panel (24) of two pairs of structures；
A pair of horizontal slide rail (20) is placed on experimental bench (1), and is located between a pair of upright slide rail (3), described
Bottom plate (21) lower wall surface offers the identical through slot of a pair of of structure, and the bottom plate (21) is installed on a pair by a pair of through slot
On the horizontal slide rail (20), bottom plate (21) upper wall surface offers placing groove, and two pairs of guide posts (22) are flush-mounted in described
On bottom plate (21), two pairs of guide sleeves (23) are set on two pairs of guide posts (22), and two pairs of arc panels (24) are placed in
On two couples of guide sleeve (23) relative walls.
2. a kind of electric-power safe instruments mechanical property test equipment according to claim 1, which is characterized in that described broken
Bad test mechanism comprising: hitch structure, voussoir acceleration structure and side safeguard structure.
3. a kind of electric-power safe instruments mechanical property test equipment according to claim 2, which is characterized in that described to lead
Guiding structure comprising: installs case (25), roller bearing (26), the identical draught line (27) of a pair of of structure, driven gear (28), third
Servo motor (29) and driving gear (30)；
The installs case (25) is placed on top plate (4), and its lower wall surface is open, and the roller bearing (26) is plugged in installs case (25)
Between interior two side walls, a pair of described draught line (27) one end lies in the roller bearing (26) both ends, installs case (25) lower wall
Face offers the identical threading hole of a pair of of structure, and a pair of draught line (27) other end passes through a pair of threading hole and lies in cross
Plate (8) both ends, the driven gear (28) are set in roller bearing (26) outside wall surface, and the third servo motor (29) is placed in
Case (25) lower inner wall face on, the driving gear (30) be installed on third servo motor (29) driving end on, and with a pair of of institute
State driven gear (28) engagement.
4. a kind of electric-power safe instruments mechanical property test equipment according to claim 2, which is characterized in that the wedge
Block accelerating structure comprising: the identical baffle (31) of a pair of of structure if, the identical electric pushrod of stem structure (32), wainscot
(33) if, the identical electro-magnet switch of stem structure (34), wedge block (35) if, the identical hook (36) of stem structure is and if dry and hard
The identical tension spring of structure (37)；
A pair of baffle (31) is placed on a pair of riser (2) relative wall, and is located at a pair of upright slide rail (3)
Top, several electric pushrods (32) are located at threading hole front and rear, the wainscot in top plate (4)
(33) it is connected on several electric pushrod (32) telescopic ends, several electro-magnet switch (34) are flush-mounted in wainscot (33)
In lower wall surface, the wedge block (35) is installed on transverse slat (8) lower wall surface, and several hooks (36) are on transverse slat (8)
In wall surface, several tension springs (37) be connected to several hooks (36) and several electro-magnet switch (34) it
Between.
5. a kind of electric-power safe instruments mechanical property test equipment according to claim 2, which is characterized in that the side
Frontier defense protection structure comprising: the identical vertical bar (38) of two pairs of structures, the identical cross bar (39) of two pairs of structures if, stem structure it is identical
Fender rod (40) and steel wire (41)；
Two pairs of vertical bars (38) are placed on experimental bench (1), and two pairs of cross bars (39) are connected to two pairs of vertical bars (38)
Between upper end, several fender rods (40) are connected between two pairs of cross bars (39) and experimental bench (1), the steel wire
(41) it is wrapped in several fender rod (40) outside wall surfaces.
6. a kind of electric-power safe instruments mechanical property test equipment according to claim 5, which is characterized in that the steel
With the mesh of 5 × 5mm on silk screen (41).
7. a kind of electric-power safe instruments mechanical property test equipment according to claim 4, which is characterized in that the wedge
Screw thread is carved in shape block (35) upper end, and matching internal screw thread block (42) is equipped on transverse slat (8) lower wall surface.
8. a kind of electric-power safe instruments mechanical property test equipment according to claim 1, which is characterized in that Yi Duisuo
State and be equipped with several monitoring probes (43) on riser (2): the monitoring probe (43) is for recording experimentation.
9. a kind of electric-power safe instruments mechanical property test equipment according to claim 1, which is characterized in that the cross
Plate (8) upper wall surface center is equipped with threaded block (44): the threaded block (44) is for installing pull test clamping jaw.
10. a kind of electric-power safe instruments mechanical property test equipment according to claim 1, which is characterized in that a pair of
The draught line (27) is nylon yarn material-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375590.0A CN109490066B (en) | 2018-11-19 | 2018-11-19 | Mechanical property test equipment for electric power safety tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375590.0A CN109490066B (en) | 2018-11-19 | 2018-11-19 | Mechanical property test equipment for electric power safety tool |
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| CN109490066A true CN109490066A (en) | 2019-03-19 |
| CN109490066B CN109490066B (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375590.0A Active CN109490066B (en) | 2018-11-19 | 2018-11-19 | Mechanical property test equipment for electric power safety tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812714A (en) * | 2019-04-08 | 2019-05-28 | 董赵卜 | A kind of LED lamp tube with defencive function |
| CN110098018A (en) * | 2019-05-31 | 2019-08-06 | 江苏维尔兰电缆有限公司 | A kind of the armor packaging and strength detection equipment of cable production line |
| CN110567690A (en) * | 2019-07-05 | 2019-12-13 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Detection apparatus for relay protection box |
| CN112484974A (en) * | 2020-11-06 | 2021-03-12 | 苏州热工研究院有限公司 | Mechanical property test device suitable for electric power safety tool |
| CN118090521A (en) * | 2024-04-26 | 2024-05-28 | 交通运输部公路科学研究所 | Snow surface snow crystal grain grading testing device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252817A (en) * | 2010-04-20 | 2011-11-23 | 刘光镐 | Shock device and safety cap shock test machine |
| CN103528786A (en) * | 2013-10-12 | 2014-01-22 | 国家电网公司 | Multifunctional test device and working method thereof |
| CN203965250U (en) * | 2014-07-25 | 2014-11-26 | 周调彪 | A kind of electric-power safe instruments mechanical property tension tester |
| CN205679384U (en) * | 2016-06-01 | 2016-11-09 | 青岛众邦仪器有限公司 | A kind of safety cap chin belt intensity lateral rigidity tester |
| CN207300770U (en) * | 2017-10-13 | 2018-05-01 | 东莞市群安塑胶实业有限公司 | The shock resistance equipment of ionic intermediate coat safety glass |
| CN109410688A (en) * | 2018-12-27 | 2019-03-01 | 重庆电子工程职业学院 | A kind of freely falling body danger experience apparatus |
-
2018
- 2018-11-19 CN CN201811375590.0A patent/CN109490066B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252817A (en) * | 2010-04-20 | 2011-11-23 | 刘光镐 | Shock device and safety cap shock test machine |
| CN103528786A (en) * | 2013-10-12 | 2014-01-22 | 国家电网公司 | Multifunctional test device and working method thereof |
| CN203965250U (en) * | 2014-07-25 | 2014-11-26 | 周调彪 | A kind of electric-power safe instruments mechanical property tension tester |
| CN205679384U (en) * | 2016-06-01 | 2016-11-09 | 青岛众邦仪器有限公司 | A kind of safety cap chin belt intensity lateral rigidity tester |
| CN207300770U (en) * | 2017-10-13 | 2018-05-01 | 东莞市群安塑胶实业有限公司 | The shock resistance equipment of ionic intermediate coat safety glass |
| CN109410688A (en) * | 2018-12-27 | 2019-03-01 | 重庆电子工程职业学院 | A kind of freely falling body danger experience apparatus |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812714A (en) * | 2019-04-08 | 2019-05-28 | 董赵卜 | A kind of LED lamp tube with defencive function |
| CN109812714B (en) * | 2019-04-08 | 2021-03-19 | 合隆防爆电气有限公司 | LED fluorescent tube with protect function |
| CN110098018A (en) * | 2019-05-31 | 2019-08-06 | 江苏维尔兰电缆有限公司 | A kind of the armor packaging and strength detection equipment of cable production line |
| CN110098018B (en) * | 2019-05-31 | 2020-09-11 | 江苏华能电缆股份有限公司 | Armor layer packaging and strength detection equipment of cable production line |
| CN110567690A (en) * | 2019-07-05 | 2019-12-13 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Detection apparatus for relay protection box |
| CN110567690B (en) * | 2019-07-05 | 2021-01-22 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Detection apparatus for relay protection box |
| CN112484974A (en) * | 2020-11-06 | 2021-03-12 | 苏州热工研究院有限公司 | Mechanical property test device suitable for electric power safety tool |
| CN118090521A (en) * | 2024-04-26 | 2024-05-28 | 交通运输部公路科学研究所 | Snow surface snow crystal grain grading testing device and method |
| CN118090521B (en) * | 2024-04-26 | 2024-07-02 | 交通运输部公路科学研究所 | Snow surface snow crystal grain grading testing device and method |
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| CN109490066B (en) | 2021-01-12 |
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