CN107560774A - Portable elastic-strip pressure on-line measuring device - Google Patents
Portable elastic-strip pressure on-line measuring device Download PDFInfo
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- CN107560774A CN107560774A CN201710969727.4A CN201710969727A CN107560774A CN 107560774 A CN107560774 A CN 107560774A CN 201710969727 A CN201710969727 A CN 201710969727A CN 107560774 A CN107560774 A CN 107560774A
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Abstract
The invention discloses a kind of portable elastic-strip pressure on-line measuring device, is made up of frame, rack-mounted spring clamping device and laborsaving micro- hoisting mechanism, force cell, displacement transducer and the detection of electrons display portion that can position and lock on rail.Laborsaving micro- hoisting mechanism includes lifting force direction automatic mechanism, and the lifting force direction automatic mechanism is made up of lower fixed disk, upper mobile dish and two row's balls for being arranged between lower fixed disk and upper mobile dish；The center of upper mobile dish is provided with force cell pull bar installation circular hole, the centre position of lower fixed disk is provided with force cell pull bar displacement elongated hole, when force cell pull bar is not parallel with the perpendicular bisector of rail by upward lifting force, horizontal component promotes upper mobile dish to produce lateral displacement with respect to lower fixed disk, so that the Impact direction convergence of spring is parallel with the perpendicular bisector of rail, and then can ensure to survey the degree of accuracy for withholding force value.
Description
Technical field
The present invention relates to a kind of elastic-strip pressure detection means, exists more particularly, to a kind of portable ω types elastic-strip pressure
Line detector.
Background technology
Fastener system is as the critical component in track structure, connection rail and sleeper and is allowed to form the section of track, to bear
Train load, vertically and horizontally active force is resisted, to ensureing that track elasticity and Rail inspection play an important role.Different type
The assembling of fastener system contacting piece, damping property, insulating properties, location of rail adjustment capability, buckle press, play journey and rail is indulged
Different technical indicators is all defined to resistance etc., it is one of important indicator to withhold force value.
For " e " type spring, the country has related buckle press measuring instrument and Patents documents to disclose." e " type spring is buckled
The formation of pressure relies primarily on the deformation of its own, and design parameter with itself, material are relevant with process and heat treatment technique,
Its contact with rail only has a small contact surface, is lifted up by the fixture force of particular design, can measure buckle press.
For " ω " type spring, it must be fastened by bolt or nut, be withheld and buckle press is formed on rail.Buckle press
Tightening torque of size when depending on fastening bolt or nut.The contact point that " ω " type spring withholds rail should be two, it
Middle limb front end should just be contacted with rail by code requirement or have the gap no more than 0.5mm, buckle press now is thought
It is to reach design requirement, if middle limb front end is in close contact with rail, buckle press now can withhold force value more than what is required.It is long
Since phase, because " ω " type elastic-strip pressure value does not have suitable measurement means, it is contemplated that operability, buckle press size are general
It is that the torque value for being scaled fastening elastic bar fastener bolt/nut controls.
In order to detect that one of the buckle press, the method for science that spring withholds rail is to use " power transfer method ".I.e.：Spring
Withhold on rail, the buckle press of spring acts on rail completely, when the fixture of particular design clamps spring and is hung down along rail
Line direction lift completely spring withhold end certain displacement when, its to rail effect buckle press will be transferred completely on fixture, examine
The power measured now is buckle press.
The content of the invention
The present invention is in view of the shortcomings of the prior art, propose a kind of portable elastic-strip pressure on-line measuring device, by adopting
With lifting force direction automatic mechanism, it can ensure that fixture clamps and lifts direction and the rail perpendicular bisector of the lifting force of spring
Direction is parallel, when can ensure the degree of accuracy of dynamometry and can adapt to " ω " the type spring and on-line checking of different appearance and sizes
Because what gauge adjustment was brought withholds change in location on rail.
The technical solution adopted in the present invention：
A kind of portable elastic-strip pressure on-line measuring device, by the frame for positioning and locking on rail（3）, installed in described
Frame（3）On spring clamping device and laborsaving micro- hoisting mechanism, force cell（16）, displacement transducer（4）Examined with electronics
Survey display portion（10）Composition, detection of electrons display portion are accurately withheld according to the pulling force and displacement signal automatic discrimination of collection
Power measurement point simultaneously shows buckle press testing result.It is characterized in that：Laborsaving micro- hoisting mechanism include ensure dynamometry direction with
The consistent lifting force direction automatic mechanism of rail perpendicular bisector, the lifting force direction automatic mechanism is by lower fixed disk
（6）, upper mobile dish（7）And it is arranged on two row's balls between lower fixed disk and upper mobile dish（20）Composition；Upper mobile dish（7）'s
Center is provided with force cell pull bar（21）Circular hole, lower fixed disk are installed（6）To be provided with force cell pull bar horizontal in centre position
To displacement elongated hole（22）, in force cell pull bar（21）By upward lifting force and it is not parallel with the perpendicular bisector of rail when,
Horizontal component promotes upper mobile dish to produce lateral displacement with respect to lower fixed disk, and lifting force direction is able to adjust automatically, leveled off to
With rail（15）Perpendicular bisector it is parallel.
Described portable elastic bar fastener buckle press on-line measuring device, measure frame（3）Including inverted U-shaped frame main body with
And the positioning set and retaining mechanism are matched with frame main body and rail, positioning and locking take three-point fix and both direction to lock
Tight mode, frame（3）Lower left side is stationary positioned framve, and right side is activity orientation frame（14）, the stationary positioned framve and activity
Locating rack（14）Locating surface appearance and size it is consistent with the appearance and size of rail left and right siding track Hubei Province part respectively, formed two horizontal strokes
To anchor point, upper rack is provided with set screw（11）, set screw（11）Bottom is vertical anchor point；The upper rack
Positioning method or using cam mechanism.
The activity orientation frame（14）Pass through bearing pin（12）Be fixed on the right side of frame, in the frame with activity orientation frame
（14）Cooperation is provided with horizontal retaining mechanism（13）；Vertical positioning and locking screw（11）Upper end is provided with turn handwheel, lower end and rail
Top contacts are arranged with ball.Horizontal retaining mechanism can use linkage, cam mechanism, holding screw mechanism or drift
Block.
Described portable elastic bar fastener buckle press on-line measuring device, hoisting mechanism are provided with pre- clamping and laborsaving micro- lifting
Device, the pre- clamping and laborsaving micro- lifting device are by clamp（1）, connection force cell（16）Pull bar（21）, be installed on
Frame（3）Top and the inner screw mutually fixed with frame（18）, outer nut（5）, pre- clamp lifting handwheel（8）With with outer nut
（5）The lifting handle being fixedly connected（9）Composition.It is pre- to clamp lifting handwheel（8）It is threadedly attached in pull bar top, lifting force side
Pre- clamp, which is arranged at, to automatic mechanism lifts handwheel（8）Lower plane and thrust ball bearing（19）Between upper loading end；It is described
Outer nut（5）With inner screw（18）It is connected.
In the lower fixed disk of lifting force direction automatic mechanism（6）With pre- clamping and the outer nut of laborsaving micro- lifting device
（5）Between be provided with thrust ball bearing（19）, thrust ball bearing（19）Lower loading end and outer nut（5）It is fixedly connected, thrust ball
Bearing（19）Upper loading end and lower fixed disk（6）It is fixedly connected, to eliminate outer nut in lifting process（5）During rotation with it is lower solid
Price fixing（6）Between frictional force, ensure that the pre- lifting force that clamps does not discharge in lifting process.
Described portable elastic-strip pressure on-line measuring device, displacement transducer（4）It is installed on measurement frame（3）On simultaneously
With outer nut（5）Bottom surface be in rolling contact, to measure lifting displacement of the spring along rail perpendicular bisector direction.
Described portable elastic-strip pressure on-line measuring device, detection of electrons display portion（10）Including the micro- place of low-power consumption
Manage device, multifunction push key unit, multi-functional liquid crystal display unit, pulling force sensor, displacement transducer, Wireless Transmitter, lithium
Battery, PMU 1, PMU 2；Force cell, the electric signal of displacement transducer output enter low-power consumption
Microprocessor, A/D conversions, data operation and buckle press test point are carried out by low-power microprocessor and differentiated, is accurately detained
Pressure value is simultaneously shown on Multifunctional liquid crystal display unit.
Beneficial effects of the present invention：
1st, the portable elastic-strip pressure on-line measuring device of the present invention, applied to daily line construction or maintenance work, to making
Elastic-strip pressure situation after industry is inspected by random samples, evaluating operation effect, can solve buckle press in current track structure and there was only theory
Value this awkward problem without actual value.On-line checking is carried out by make-up pressure value, can scientifically instruct field operation.For
The operation of specification railway maintenance provides technical guarantee, has positive effect to the stability and security for improving track.
2nd, the portable elastic-strip pressure on-line measuring device of the present invention, it is simple in construction, it is reasonable in design, by using lifting force
Direction automatic mechanism, it can ensure that the fixture power that is lifted up of clamping spring and displacement are parallel with rail perpendicular bisector direction,
The degree of accuracy of dynamometry can be ensured and can adapt to " ω " the type spring of different appearance and sizes and brought due to gauge adjustment
Spring withholds change in location.
3rd, the portable elastic-strip pressure on-line measuring device of the present invention, measurement frame take three-point fix and two with rail
Direction locking mode, measure the left side stationary positioned framve of frame 3 and the locating surface appearance and size and rail of right side activity orientation frame 14
The appearance and size of left and right siding track Hubei Province part is consistent, is vertical anchor point 11 directly over measurement frame, by rotating below containing rolling
The set screw handwheel of pearl can move up and down this anchor point 11, to adapt to new rail and abrasion rail.The wherein positioning of the left and right sides
For crosswise spots not wear anchor point, the vertical anchor point of upside is the possible anchor point worn.It ensure that the upper of measurement support 17
Plane is vertical with rail perpendicular bisector.
4th, the portable elastic-strip pressure on-line measuring device of the present invention, hoisting mechanism are provided with pre- clamping and laborsaving micro- lifting dress
Put, the pre- lifting handwheel 8 that clamps is threadedly attached in pull bar top, rotates clockwise pre- clamp and lifts handwheel 8, pull bar, which drives, to be surveyed
Force snesor 16 moves up, and drives clamp seat and clamp 1 to close and move up, is eliminated in moving process each inter-agency
Gap, help to withhold the accurate measurement of force value；Lift force direction automatic mechanism and pre- clamping and laborsaving micro- lifting device
Between be provided with thrust ball bearing 19, to eliminate frictional force when outer nut 5 in lifting process rotates between lower fixed disk 6, protect
The pre- lifting force that clamps does not discharge in card lifting process.
Brief description of the drawings
Fig. 1 is the portable elastic bar fastener buckle press on-line measuring device overall structure diagram of the present invention；
Fig. 2 is the portable elastic bar fastener buckle press on-line measuring device broken section structural representation of the present invention；
Fig. 3 is lifting force direction automatic mechanism structural representation in the present invention；
Fig. 4 is positioning and locking mechanism structure schematic diagram in the present invention；
Fig. 5 is that elastic bar fastener withholds location of rail change schematic diagram；
Fig. 6 is detection of electrons display portion circuit block diagram in the present invention.
Embodiment
Below by embodiment, technical scheme is described in further detail.
Embodiment 1
Referring to Fig. 1, Fig. 2, Fig. 3, the portable elastic-strip pressure on-line measuring device of the present invention, by can position and lock on rail
Frame 3, the spring clamping device in frame 3 and laborsaving micro- hoisting mechanism, force cell 16, displacement transducer 4
Formed with detection of electrons display portion 10, detection of electrons display portion is accurate according to the pulling force and displacement signal automatic discrimination of collection
Buckle press measurement point and show buckle press testing result, the present invention unlike the prior art：Laborsaving micro- elevator
Structure includes the lifting force direction automatic mechanism for ensureing that dynamometry direction is consistent with rail perpendicular bisector, and the lifting force direction is automatic
Adjustment mechanism is made up of lower fixed disk 6, upper mobile dish 7 and two row's balls 20 for being arranged between lower fixed disk and upper mobile dish；
The center of upper mobile dish 7 is provided with the major diameter fit of force cell pull bar installation circular hole, the pull bar mounting hole and pull bar 21, under
The centre position of fixed disk 6 is provided with force cell pull bar lateral displacement hole length 22, in force cell pull bar 21 by upward
Lifting force and it is not parallel with the perpendicular bisector of rail when, horizontal component promotes upper mobile dish with respect to the horizontal position of lower fixed disk generation
Move, lifting force direction is able to adjust automatically, levels off to parallel with the perpendicular bisector of rail 15.
As shown in figure 5, because the species of spring to be detected is more, its appearance and size is different, on the other hand actual rail
Distance on road after gauge adjustment between spring center line and rail perpendicular bisector to be measured can also change, and the size L in Fig. 5 is different, i.e.,
Spring 2 withholds position difference on rail.To improve accuracy in detection, lifting force side is must assure that when carrying out on-line checking
To parallel with rail perpendicular bisector direction.Lifting force direction automatic regulating apparatus is provided with the present invention.As shown in Figure 2 and Figure 3, carry
Lift direction automatic regulating apparatus is made up of lower fixed disk 6, upper mobile dish 7, two row's balls 20.In measurement process, when frame is consolidated
Determine and lock onto rail head of rail position and spring 2 is clamped in advance by pre- clamp system, rotate clockwise handle 8 and be lifted up bullet to be measured
Bar.If upward lifting force is not parallel with the perpendicular bisector of rail, the component of a transverse direction must be produced, this component will promote
Upper mobile dish 7 produce transverse shifting, and lifting force direction is able to adjust automatically, leveled off to parallel with the perpendicular bisector of rail 15.
Two row's balls 20 are provided between lower fixed disk 6 and upper mobile dish 7, the purpose is to reduce upper mobile dish 7 laterally to move
Frictional force when dynamic, be advantageous to the suffered lifting force direction of spring 2 level off to it is parallel with the perpendicular bisector direction of rail.
Embodiment 2
Referring to Fig. 1, Fig. 4, the portable elastic-strip pressure on-line measuring device of the present embodiment, exist with the difference of embodiment 1
In：Further disclose frame form and the positioning being arranged in frame and retaining mechanism.
Frame 3 includes inverted U-shaped frame main body and the positioning set and retaining mechanism is matched with frame main body and rail, fixed
Three-point fix and both direction locking mode are taken in position and locking.The lower left side of frame 3 is stationary positioned framve, right side setting activity
Locating rack 14, the locating surface appearance and size of stationary positioned framve and the activity orientation frame 14 respectively with rail left and right siding track Hubei Province portion
The appearance and size divided is consistent, forms two located lateral points, and upper rack is provided with positioning and locking screw 11, the lower end of set screw 11
Portion is vertical anchor point；The vertical positioning and locking mode of the frame or using cam mechanism.
The activity orientation frame 14 is fixed on the right side of frame by bearing pin 12, and activity orientation frame 14 can rotate along bearing pin 12,
Coordinate in frame 3 with activity orientation frame 14 and be provided with horizontal retaining mechanism 13.The vertical bottom of positioning and locking screw 11 is provided with ball.
The horizontal retaining mechanism can use linkage, cam mechanism, holding screw mechanism or drift block.The present embodiment
Using drift block.
Three pieces of dash areas are three anchor points in accompanying drawing 4.Wherein the anchor point of arranged on left and right sides is not wear anchor point,
The vertical anchor point in upside is the possible anchor point worn.The activity orientation frame 14 on the right side of frame 3 can rotate along bearing pin 12, form two
Individual located lateral point.It is vertical anchor point 11 directly over frame, by rotating the positioning and locking screw handwheel containing ball below
This anchor point 11 can be made to move up and down and lock, to adapt to new rail and abrasion rail.Frame 3 is provided with pin shaft hole, passes through the bearing pin
Hole, bearing pin 12 is connected with activity orientation frame 14, is precision-fit between three.
Frame is locked using vertical and horizontal both direction.Laterally locking is locked by the right side being connected with activity orientation frame 14
Tight mechanism 13 realizes, unclamps right side retaining mechanism 13 and drives activity orientation frame 14 to be flared out, inwardly promotes right side retaining mechanism
13, drive activity orientation frame 14 to link closely right side rail Hubei Province；Vertical locking is realized by the set screw 11 for being arranged at frame top surface, is rotated
Set screw handwheel can move up and down the anchor point 11 of its lower end, to lock frame and be suitable for new rail and abrasion rail.
After positioning and locking, because the locating surface of rail rail Hubei Province arranged on left and right sides is not wear surface, and the left side of frame 3 is fixed
The positioning facial contour of locating rack and right side activity orientation frame 14 matches with rail or so siding track Hubei Province part, and perpendicular positioning point 11 can
Move up and down, so as to ensure that the upper plane of the measurement support 17 of frame is vertical with rail perpendicular bisector.
Concrete operations are：During measurement, right side retaining mechanism 13 is unclamped, activity orientation frame 14 is flared out, frame 3 is put into
The rail head position of rail, frame left positioner face is set to be close to left side rail Hubei Province of rail；Work is pushed home into by right side retaining mechanism
Dynamic locating rack 14 is simultaneously close to right side rail Hubei Province, and the set screw 11 for being screwed down upper rack above carries frame so that three positioning
Point is close to rail head of rail, and frame is reliably positioned and lock onto on rail.
Embodiment 3
Referring to Fig. 1, Fig. 2, Fig. 4, the portable elastic-strip pressure on-line measuring device of the present embodiment, with foregoing embodiments not
It is with part：Hoisting mechanism is provided with pre- clamping and laborsaving micro- lifting device, and the pre- clamping and laborsaving micro- lifting device are by pressing from both sides
Clamp 1, connect the pull bar 21 of force cell 16, positioned at the top of frame 3 and with measuring the inner screw 18 of the phase of support 17 fixation, pushing away
Power ball bearing bearing 19, outer nut 5, the pre- lifting handle 9 for clamping lifting handwheel 8 and being fixedly connected with outer nut 5 form.Pre- folder
Tight lifting handwheel 8 is threadingly attached to pull bar top, and lifting force direction automatic mechanism is arranged at pre- clamp and lifts handwheel 8
On lower plane and thrust ball bearing 19 between loading end；The outer nut 5 is connected with inner screw 18.
Embodiment 4
Referring to Fig. 1, Fig. 2, Fig. 4, the portable elastic-strip pressure on-line measuring device of the present embodiment, it is different from embodiment 3 it
Be in：Lifting force direction automatic mechanism lower fixed disk 6 and it is pre- clamp and the outer nut 5 of laborsaving micro- lifting device it
Between be provided with thrust ball bearing 19, to eliminate frictional force when outer nut 5 in lifting process rotates between lower fixed disk 6, ensure
Lifting force is clamped in lifting process in advance not discharge.
The portable elastic bar fastener buckle press on-line measuring device of the present invention, displacement transducer 4 are installed in measurement frame simultaneously
It is in rolling contact with the bottom surface of outer nut 5, to measure lifting displacement of the spring along rail perpendicular bisector direction.During measurement, frame positioning
And after locking onto rail head of rail position, rotation is pre- counterclockwise clamps lifting handwheel 8, and clamp opens and is directed at spring 2 to be measured, up time
Pin rotate it is pre- clamp lifting handwheel 8, pull bar drives force cell 16 to move up, drive the closure of clamp 1 clamp spring and to
Upper movement, each inter-agency gap is eliminated in moving process.Lifting handle 9 is pulled clockwise, interior spiral shell is driven by outer nut 5
Bar is lifted up spring.The displacement that spring is lifted up along rail perpendicular bisector direction is measured by displacement transducer 4.Displacement transducer
Enter electronic detecting device with the output signal of force cell, performed mathematical calculations by electronic detecting device, judge to withhold
Power test point, numerical monitor now withhold force value.
Referring to Fig. 6, the portable elastic-strip pressure on-line measuring device of the present invention is mainly by low-power microprocessor, multi-functional
Push-button unit, multi-functional liquid crystal display unit, pulling force sensor, displacement transducer, Wireless Transmitter, lithium battery, power supply pipe
The part such as unit 1, PMU 2 is managed to form.
During measurement, pulling force sensor, the electric signal of displacement transducer output enter low-power microprocessor, micro- by low-power consumption
Processor carries out A/D conversions, data operation and buckle press test point and differentiated, is accurately withheld force value and is shown in multi-functional
On liquid crystal display.Multifunction push key unit mainly for detection of when operation, parameter setting and display data conversion.
The data transfer and set by outside that Wireless Transmitter is used between internal detection data and outside movable equipment
The standby straighforward operation to this detection means.Wireless Transmitter is the movement containing wireless transmission function inside mobile portable
Equipment, can be the device that bluetooth, wifi etc. carry out spatial data transmission by radio wave.
The purpose for setting two PMUs is to reduce the power consumption of this detection means, and PMU 1 is given
Low-power microprocessor system power supply, low power consumpting state is in when not detecting, can key wake-up；PMU 2 gives pulling force
Sensor, displacement transducer, Wireless Transmitter power supply, when this detection means is not at detection state, automatic close passes to pulling force
The power supply of sensor and displacement transducer, the power supply to Wireless Transmitter can be closed automatically when without data transfer.
Claims (8)
- A kind of 1. portable elastic-strip pressure on-line measuring device, by the frame for positioning and locking on rail（3）, installed in institute State frame（3）On spring clamping device and laborsaving micro- hoisting mechanism, force cell（16）, displacement transducer（4）And electronics Detect display portion（10）Composition, detection of electrons display portion are accurately detained according to the pulling force and displacement signal automatic discrimination of collection Pressure measurement point simultaneously shows buckle press testing result；It is characterized in that：Laborsaving micro- hoisting mechanism includes ensureing dynamometry direction The lifting force direction automatic mechanism consistent with rail perpendicular bisector, the lifting force direction automatic mechanism is by lower fixed disk （6）, upper mobile dish（7）And it is arranged on two row's balls between lower fixed disk and upper mobile dish（20）Composition；Upper mobile dish（7）'s Center is provided with force cell pull bar（21）Circular hole, lower fixed disk are installed（6）To be provided with force cell pull bar horizontal in centre position To displacement elongated hole（22）, in force cell pull bar（21）By upward lifting force and it is not parallel with the perpendicular bisector of rail when, Horizontal component promotes upper mobile dish to produce lateral displacement with respect to lower fixed disk, and lifting force direction is able to adjust automatically, leveled off to With rail（15）Perpendicular bisector it is parallel.
- 2. portable elastic bar fastener buckle press on-line measuring device according to claim 1, it is characterised in that：Measure frame （3）The positioning set and retaining mechanism are matched including inverted U-shaped frame main body and with frame main body and rail, positioning and locking are adopted Take three-point fix and both direction locking mode, frame（3）Lower left side is stationary positioned framve, and right side is activity orientation frame （14）, stationary positioned framve and the activity orientation frame（14）Locating surface appearance and size respectively with rail left and right siding track Hubei Province part Appearance and size it is consistent, form two located lateral points, upper rack is provided with set screw（11）, set screw（11）Bottom For vertical anchor point；The upper rack positioning method or using cam mechanism.
- 3. portable elastic-strip pressure on-line measuring device according to claim 2, it is characterised in that：The activity orientation Frame（14）Pass through bearing pin（12）Be fixed on the right side of frame, in the frame with activity orientation frame（14）Coordinate and be provided with laterally locking Mechanism（13）；Vertical positioning and locking screw（11）Upper end is provided with turn handwheel, and lower end is provided with ball with rail surface contact portion.
- 4. portable elastic-strip pressure on-line measuring device according to claim 3, it is characterised in that：Horizontal retaining mechanism Linkage, cam mechanism, holding screw mechanism or drift block can be used.
- 5. the portable elastic-strip pressure on-line measuring device according to claim 1,2,3 or 4, it is characterised in that：Carrying The lower fixed disk of lift direction automatic mechanism（6）With pre- clamping and the outer nut of laborsaving micro- lifting device（5）Between be provided with Thrust ball bearing（19）, thrust ball bearing（19）Lower loading end and outer nut（5）It is fixedly connected, thrust ball bearing（19）It is upper Loading end and lower fixed disk（6）It is fixedly connected, to eliminate outer nut in lifting process（5）During rotation and lower fixed disk（6）Between Frictional force, ensure that the pre- lifting force that clamps does not discharge in lifting process.
- 6. portable elastic bar fastener buckle press on-line measuring device according to claim 5, it is characterised in that：Hoisting mechanism Provided with pre- clamping and laborsaving micro- lifting device, the pre- clamping and laborsaving micro- lifting device are by clamp（1）, connection force cell （16）Pull bar（21）, be installed on frame（3）Top and the inner screw mutually fixed with frame（18）, outer nut（5）, pre- clamp carry Rise handwheel（8）With with outer nut（5）The lifting handle being fixedly connected（9）Composition；It is pre- to clamp lifting handwheel（8）It is connected through a screw thread On pull bar top, lifting force direction automatic mechanism is arranged at pre- clamp and lifts handwheel（8）Lower plane and thrust ball bearing （19）Between upper loading end；The outer nut（5）With inner screw（18）It is connected.
- 7. the portable elastic bar fastener buckle press on-line measuring device according to any one of claim 1~6, its feature exist In：Displacement transducer（4）It is installed on measurement frame（3）Upper and and outer nut（5）Bottom surface be in rolling contact, to measure spring along steel The lifting displacement in rail perpendicular bisector direction.
- 8. portable elastic-strip pressure on-line measuring device according to claim 7, it is characterised in that：Detection of electrons is shown Part（10）Including low-power microprocessor, multifunction push key unit, multi-functional liquid crystal display unit, force cell, position Displacement sensor, Wireless Transmitter, lithium battery, PMU 1, PMU 2；Force cell, displacement transducer The electric signal of output enters low-power microprocessor, and carrying out A/D conversions, data operation and buckle press by low-power microprocessor examines Measuring point differentiates, is accurately withheld force value and is shown on Multifunctional liquid crystal display unit.
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| CN201710969727.4A CN107560774A (en) | 2017-10-18 | 2017-10-18 | Portable elastic-strip pressure on-line measuring device |
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| CN201710969727.4A CN107560774A (en) | 2017-10-18 | 2017-10-18 | Portable elastic-strip pressure on-line measuring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827532A (en) * | 2018-04-27 | 2018-11-16 | 刘波 | High-speed rail elastic bar fastener numerical control buckle press adjusts impact wrench calibration equipment |
| CN109374187A (en) * | 2018-11-30 | 2019-02-22 | 上海工程技术大学 | A kind of pressure lever type fastening elastic rod buckle press on-line measurement system |
| CN109752129A (en) * | 2018-11-30 | 2019-05-14 | 宝鸡欧亚化工设备制造厂 | A kind of multi-drive system titanium alloy track stress detection device |
| CN112710226A (en) * | 2020-12-23 | 2021-04-27 | 西安交通大学 | Track jaw face test fixture and application and track jaw face test device based on same |
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| CN109374187A (en) * | 2018-11-30 | 2019-02-22 | 上海工程技术大学 | A kind of pressure lever type fastening elastic rod buckle press on-line measurement system |
| CN109752129A (en) * | 2018-11-30 | 2019-05-14 | 宝鸡欧亚化工设备制造厂 | A kind of multi-drive system titanium alloy track stress detection device |
| CN109374187B (en) * | 2018-11-30 | 2024-03-26 | 上海工程技术大学 | Compression bar type fastener elastic bar buckling pressure online measurement system |
| CN112710226A (en) * | 2020-12-23 | 2021-04-27 | 西安交通大学 | Track jaw face test fixture and application and track jaw face test device based on same |
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