CN207231686U - Elastic-strip pressure on-line measuring device and its pre- clamping and laborsaving micro- hoisting mechanism - Google Patents
Elastic-strip pressure on-line measuring device and its pre- clamping and laborsaving micro- hoisting mechanism Download PDFInfo
- Publication number
- CN207231686U CN207231686U CN201721340402.1U CN201721340402U CN207231686U CN 207231686 U CN207231686 U CN 207231686U CN 201721340402 U CN201721340402 U CN 201721340402U CN 207231686 U CN207231686 U CN 207231686U
- Authority
- CN
- China
- Prior art keywords
- lifting
- micro
- clamping
- laborsaving
- force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
It the utility model is related to a kind of elastic bar fastener and withhold force checking device.A kind of pre- clamping of elastic-strip pressure on-line measuring device and laborsaving micro- hoisting mechanism, are made of clamp, force cell pull rod, the inner screw being fixedly connected with measurement rack, the outer nut in mating connection with the inner screw, the pre- lifting handle for clamping lifting handwheel and being fixedly connected with outer nut；The pre- lifting handwheel that clamps is installed on pull rod top by connection screw thread；The clamp is movably connected on the clamp seat below force cell.A kind of elastic-strip pressure on-line measuring device, coordinate in measurement rack with rail equipped with positioning and retaining mechanism, displacement sensor is installed in measurement rack and is in rolling contact with the bottom surface of outer nut, to measure lifting displacement of the spring along rail perpendicular bisector direction, force cell and displacement sensor output signal access detection of electrons display portion, detection of electrons display portion show buckle press testing result according to the pulling force and displacement signal of collection.
Description
Technical field
A kind of elastic-strip pressure detection device is the utility model is related to, more particularly, to a kind of elastic-strip pressure on-line checking
Device and its pre- clamping and laborsaving micro- hoisting mechanism.
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, resists vertically and horizontally active force, to ensureing that track elasticity and Rail inspection play an important role.Different type
The assembling of fastener system contacting piece, damping property, insulation performance, location of rail adjustment capability, buckle press, play journey and rail is indulged
Different technical indicators is all defined to resistance etc., wherein 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 related with process and heat treatment technique,
Its contact with rail only has a small contact surface, is lifted up by the fixture force of special designing, 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 at this time is thought
It is to reach design requirement, if middle limb front end is in close contact with rail, buckle press at this time can withhold force value more than what is required.It is long
Since phase, since " 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 spring withholds the buckle press of rail, one of the method for science 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 special designing clamps spring and hangs down along rail
Line direction lift completely spring withhold end certain displacement when, the buckle press acted on rail will be transferred completely on fixture, inspection
The lifting force measured at this time is buckle press.Moreover, using the buckle press of " power transfer method " on-line checking spring, fixture and lifting
The design of mechanism is most important.It is required that fixture design should meet：Larger stress can be carried, there is less volume, structure
It is compact, simple installation, accurate positioning.But due to available locus very little between spring and rail, brought to fixture design
Great difficulty.Laborsaving micro- hoisting mechanism can easily be lifted a little height in the case of spring is clamped, as spring
Buckle press on-line measurement device is necessary.
The content of the invention
The utility model is in view of the shortcomings of the prior art, propose a kind of elastic-strip pressure on-line measuring device and its pre- clamping
With laborsaving micro- hoisting mechanism.The clamping and lifting of spring can carry larger answer using pre- clamping and laborsaving micro- hoisting mechanism
Power, simple installation, can eliminate each inter-agency gap, help to withhold the accurate measurement of force value.
Technical solution used by the utility model：
A kind of pre- clamping of elastic-strip pressure on-line checking and laborsaving micro- hoisting mechanism, by clamp（1）, connection force-measuring sensing
Device（16）Pull rod（21）, with the inner nut that is fixedly connected of measurement rack（18）With inner nut（18）Outer spiral shell in mating connection
It is female（5）, pre- clamp lifting handwheel（8）And lifting handle（9）Composition；Pre- clamp lifts handwheel（8）In pull rod（21）Top
End is threadedly coupled therewith, outer nut（5）It is fixedly connected with lifting handle（9）；Clamp（1）It is movably connected on force cell（16）
On the clamp seat of lower section.
Coordinate with the pre- clamping with laborsaving micro- hoisting mechanism, lifting force side is provided with below lifting handwheel in pre- clamp
To automatic mechanism, to ensure that dynamometry direction is consistent with rail perpendicular bisector direction.The lifting force direction automatic mechanism
By lower fixed disk（6）, upper mobile dish（7）And it is arranged on two rows of balls between lower fixed disk and upper mobile dish（20）Composition.On
The center of mobile dish is equipped with force cell pull rod（21）Circular hole, lower fixed disk are installed（6）It is arranged on outside laborsaving micro- hoisting mechanism
Nut（5）Top, lower fixed disk centre position are equipped with force cell pull rod lateral displacement slot hole（22）, when force cell is drawn
Bar（21）Be subject to upward lifting force and it is not parallel with the perpendicular bisector of rail when, horizontal component promotes upper mobile dish under
Fixed disk produces lateral displacement, and lifting force direction is able to adjust automatically so that spring（2）Suffered lifting force direction levels off to and steel
Rail（15）Perpendicular bisector it is parallel.
It is a kind of using the pre- clamping and the elastic-strip pressure on-line measuring device of laborsaving micro- lifting device, in measurement rack
Upper and rail coordinates equipped with positioning and retaining mechanism, for the positioning in detection process to whole device and locking；Displacement sensing
Device（4）Be installed on measurement rack on and and outer nut（5）Bottom surface be in rolling contact, to measure spring along rail perpendicular bisector direction
Lift displacement, force cell（16）With displacement sensor output signal access detection of electrons display portion, detection of electrons is shown
Part shows buckle press testing result according to the pulling force and displacement signal of collection.
The elastic-strip pressure on-line measuring device, detection of electrons display portion include low-power microprocessor, more work(
Can push-button unit, multi-functional liquid crystal display unit, Wireless Transmitter, lithium battery, Power Management Unit 1, Power Management Unit
2.Force cell（16）, displacement sensor（4）The electric signal of output enters low-power microprocessor, by low-power microprocessor
Carry out A/D conversions, data operation and buckle press test point to differentiate, accurately withheld force value and be shown in Multifunctional liquid crystal and show
Show on unit.
The beneficial effects of the utility model：
1st, the utility model elastic-strip pressure on-line measuring device and its pre- clamp carry with laborsaving micro- hoisting mechanism, pre- clamp
Rise handwheel and be threadingly attached to pull rod top, rotate clockwise pre- clamp and lift handwheel, pull rod drives force cell upward
It is mobile, drive jaws close to clamp spring and move up, each inter-agency gap can be eliminated in moving process, helps to detain
The accurate measurement of pressure value.
2nd, the utility model elastic-strip pressure on-line measuring device and its pre- clamping and laborsaving micro- hoisting mechanism, lifting force side
Plane bearing is equipped between automatic mechanism and pre- clamping and laborsaving micro- hoisting mechanism, for eliminating outer nut in lifting process
Frictional force during rotation between lifting force direction automatic mechanism, to ensure that clamping lifting force in lifting process in advance does not release
Put.
3rd, the utility model elastic-strip pressure on-line measuring device and its pre- clamping and laborsaving micro- hoisting mechanism, structure letter
Single, design is reasonable, by setting lifting force direction automatic mechanism to ensure that fixture clamps the lifting that spring is lifted up
Power and displacement are parallel with rail perpendicular bisector direction, and then ensure the accuracy of dynamometry and can adapt to " ω " of different appearance and sizes
What gauge adjustment was brought when type spring and adaptation on-line checking withholds a lateral separation change.
Brief description of the drawings
Fig. 1 is the utility model elastic bar fastener buckle press on-line measuring device overall structure diagram；
Fig. 2 is lifting force direction automatic mechanism structure diagram in the utility model；
Fig. 3 is that elastic bar fastener withholds a change schematic diagram in rail foot；
Fig. 4 is the utility model detection of electrons display portion schematic block circuit diagram.
Embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
Embodiment 1
Referring to Fig. 1, Fig. 2, the pre- clamping of the utility model elastic-strip pressure on-line measuring device and laborsaving micro- hoisting mechanism,
By clamp 1, connect the pull rod 21 of force cell 16, with measuring inner nut 18 and the inner nut 18 that rack is fixedly connected
Outer nut 5, in advance clamping lifting handwheel 8 and the lifting handle 9 being fixedly connected with outer nut in mating connection forms.It is described pre-
Clamp lifting handwheel 8 and 21 top of pull rod is installed on by connection screw thread, the clamp 1 is movably connected on the lower section of force cell 16
Clamp seat on.
During measurement, after measurement rack positions and lock onto rail head of rail position, rotation is pre- counterclockwise clamps lifting handwheel 8,
Clamp opens and is directed at spring 2 to be measured, rotate clockwise it is pre- clamp lifting handwheel 8, pull rod drives force cell 16 to moving up
It is dynamic, and drive the closure of clamp 1 to clamp spring and move up, each inter-agency gap is eliminated in moving process.Pull clockwise
Lifting handle 9, drives pull rod 21, force cell 16 and clamp 1 to move up and lift spring by outer nut 5.
Embodiment 2
Referring to Fig. 1, Fig. 2, the pre- clamping of the elastic-strip pressure on-line measuring device of the present embodiment and laborsaving micro- hoisting mechanism,
As different from Example 1：Coordinate with the pre- clamping with laborsaving micro- hoisting mechanism and set in the pre- lower section for clamping lifting handwheel 8
There is lifting force direction automatic mechanism, to ensure that dynamometry direction is consistent with rail perpendicular bisector direction.
The lifting force direction automatic mechanism is by lower fixed disk 6, upper mobile dish 7 and is arranged on lower fixed disk and moves up
Two rows of balls 20 between Moving plate form.The center of upper mobile dish is equipped with force cell pull rod 21 and installs circular hole, lower fixed disk 6
Above the outer nut 5 of hoisting mechanism, lower fixed disk centre position is equipped with force cell pull rod lateral displacement slot hole 22,
When force cell pull rod 21 be subject to upward lifting force and it is not parallel with the perpendicular bisector of rail when, horizontal component promote move up
Moving plate produces lateral displacement with respect to lower fixed disk, and lifting force direction is able to adjust automatically, and causes the Impact direction convergence of spring 2
It is parallel with the perpendicular bisector of rail 15.
As shown in figure 3, since 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. 3 is different, i.e.,
Spring 2 withholds a position difference on rail.Lifting force direction automatic mechanism is provided with the utility model, was measured
Cheng Zhong, when rack is fixed and lock onto rail head of rail position and spring 2 is clamped by pre- clamp system, rotate clockwise handle 8 to
On when lifting spring to be measured, if lifting force is not parallel with the perpendicular bisector of rail, the component of a transverse direction, this point must be produced
Power will promote upper mobile dish 7 to produce transverse shifting so that the suffered lifting force direction of spring 2 levels off to parallel with rail perpendicular bisector.
Two rows of 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 resistance when dynamic.
Embodiment 3
Referring to Fig. 1, Fig. 2, Fig. 3, the pre- clamping of the elastic-strip pressure on-line measuring device of the present embodiment and laborsaving micro- lifting
Mechanism, unlike embodiment 1 or embodiment 2：Lift force direction automatic mechanism and pre- clamping and laborsaving micro- elevator
Plane bearing is equipped between structure.Plane bearing 19 be arranged on lifting force direction automatic mechanism lower fixed disk 6 and it is pre- clamp and
Between the outer nut 5 of laborsaving micro- lifting device, for frictional force therebetween to be eliminated in lifting process when outer nut rotates, with
Ensure that pre- clamping force does not discharge in lifting process.
Embodiment 4
Referring to Fig. 1~Fig. 3, the present embodiment is online with the elastic-strip pressure of laborsaving micro- hoisting mechanism using foregoing pre- clamping
Detection device embodiment, coordinates with rail 15 in measurement rack and is installed on equipped with positioning and retaining mechanism, displacement sensor
It is in rolling contact in measurement rack and with the bottom surface of outer nut 5, to measure lifting displacement of the spring along rail perpendicular bisector direction, dynamometry
Sensor 16 and displacement sensor output signal access detection of electrons display portion, detection of electrons display portion is according to the drawing of collection
Power and displacement signal perform mathematical calculations, judge buckle press test point, the buckle press testing result of numerical monitor at this time.
Embodiment 5
Referring to Fig. 1~Fig. 4, the elastic-strip pressure on-line measuring device of the present embodiment, as different from Example 4：Into one
Step defines the structure of the detection of electrons display portion specifically used, and referring to Fig. 4, the detection of electrons display portion includes low work(
Consume microprocessor, multifunction push key unit, multi-functional liquid crystal display unit, Wireless Transmitter, lithium battery, Power Management Unit
1st, Power Management Unit 2；Force cell, the electric signal of displacement sensor output enter low-power microprocessor, by low-power consumption
Microprocessor carries out A/D conversions, data operation and buckle press test point and differentiates, is accurately withheld force value and is shown in more work(
On energy liquid crystal display.
During measurement, pulling force sensor, the electric signal of displacement sensor output enter low-power microprocessor, micro- by low-power consumption
Processor carries out A/D conversions, data operation and buckle press test point and differentiates, 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.
Wireless Transmitter is used for the data transfer between internal detection data and exterior movable equipment and can by outside
Straighforward operation of the mobile equipment to this detection device.Wireless Transmitter is that the inside of mobile portable is contained and is wirelessly transferred work(
The mobile equipment of energy, can be the device that bluetooth, wifi etc. carry out spatial data transmission by radio wave.
The purpose for setting two Power Management Unit is to reduce the power consumption of this detection device, and Power Management Unit 1 is given
Low-power microprocessor system power supply, is in low power consumpting state when not detecting, can key wake-up；Power Management Unit 2 gives pulling force
Sensor, displacement sensor, Wireless Transmitter power supply, are automatically closed when this detection device is not at detection state and pulling force are passed
The power supply of sensor and displacement sensor, can be automatically closed the power supply to Wireless Transmitter when without data transfer.
Claims (6)
1. a kind of pre- clamping of elastic-strip pressure on-line measuring device and laborsaving micro- hoisting mechanism, by clamp（1）, connection dynamometry pass
Sensor（16）Pull rod（21）, with the inner nut that is fixedly connected of measurement rack（18）And the inner nut（18）It is in mating connection
Outer nut（5）, pre- clamp lifting handwheel（8）And the lifting handle being fixedly connected with outer nut（9）Composition；The pre- clamping
Lift handwheel（8）Pull rod is installed on by connection screw thread（21）Top；The clamp（1）It is movably connected on force cell（16）
On the clamp seat of lower section.
2. the pre- clamping of elastic-strip pressure on-line measuring device according to claim 1 and laborsaving micro- hoisting mechanism, it is special
Sign is：It is engaged with the pre- clamping with laborsaving micro- lifting device, lifting handwheel is clamped pre-（8）Lower section sets guaranteed survey
The force direction lifting force direction automatic mechanism consistent with rail perpendicular bisector direction.
3. the pre- clamping of elastic-strip pressure on-line measuring device according to claim 2 and laborsaving micro- hoisting mechanism, it is special
Sign is：Laborsaving micro- hoisting mechanism includes the lifting force direction adjust automatically for ensureing that dynamometry direction is consistent with rail perpendicular bisector
Mechanism, the lifting force direction automatic mechanism is by lower fixed disk（6）, upper mobile dish（7）And it is arranged on lower fixed disk and upper
Two rows of balls between mobile dish（20）Composition；Upper mobile dish（7）Center be equipped with force cell pull rod（21）Circular hole is installed,
Lower fixed disk（6）Centre position be equipped with force cell pull rod lateral displacement slot hole（22）, in force cell pull rod（21）
Be subject to upward lifting force and it is not parallel with the perpendicular bisector of rail when, horizontal component promotes upper mobile dish with respect to lower fixed disk production
Raw lateral displacement, lifting force direction are able to adjust automatically and level off to and rail（15）Perpendicular bisector it is parallel.
4. the pre- clamping of elastic-strip pressure on-line measuring device according to claim 3 and laborsaving micro- hoisting mechanism, it is special
Sign is：Equipped with thrust ball bearing（19）, the thrust ball bearing（19）It is arranged under lifting force direction automatic mechanism
Fixed disk（6）With pre- clamping and the outer nut of laborsaving micro- hoisting mechanism（5）Between, in lifting process when outer nut rotates
Frictional force therebetween is eliminated, to ensure that pre- clamping force does not discharge in lifting process.
5. it is a kind of using the pre- elastic-strip pressure on-line measuring device clamped with laborsaving micro- hoisting mechanism described in claim 1,
Measure and coordinate in rack with rail equipped with positioning and retaining mechanism, displacement sensor（4）Be installed on measurement rack on and with outer spiral shell
It is female（5）Bottom surface be in rolling contact, to measure lifting displacement of the spring along rail perpendicular bisector direction, it is characterised in that：Dynamometry passes
Sensor（16）And displacement sensor（4）Signal access detection of electrons display portion is exported, detection of electrons display portion is according to collection
Pulling force and displacement signal show buckle press testing result.
6. elastic-strip pressure on-line measuring device according to claim 5, it is characterised in that：Detection of electrons display unit subpackage
Include low-power microprocessor, multifunction push key unit, multi-functional liquid crystal display unit, Wireless Transmitter, lithium battery, power supply pipe
Manage unit 1, Power Management Unit 2；Force cell（16）, displacement sensor（4）The electric signal of output enters the micro- place of low-power consumption
Device is managed, carrying out A/D conversions, data operation and buckle press test point by low-power microprocessor differentiates, obtains accurate buckle press
It is worth and is shown on Multifunctional liquid crystal display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340402.1U CN207231686U (en) | 2017-10-18 | 2017-10-18 | Elastic-strip pressure on-line measuring device and its pre- clamping and laborsaving micro- hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340402.1U CN207231686U (en) | 2017-10-18 | 2017-10-18 | Elastic-strip pressure on-line measuring device and its pre- clamping and laborsaving micro- hoisting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231686U true CN207231686U (en) | 2018-04-13 |
Family
ID=61851696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721340402.1U Active CN207231686U (en) | 2017-10-18 | 2017-10-18 | Elastic-strip pressure on-line measuring device and its pre- clamping and laborsaving micro- hoisting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207231686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109612843A (en) * | 2019-01-24 | 2019-04-12 | 广州计量检测技术研究院 | Elastic-strip pressure test device and its application method |
-
2017
- 2017-10-18 CN CN201721340402.1U patent/CN207231686U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN109612843A (en) * | 2019-01-24 | 2019-04-12 | 广州计量检测技术研究院 | Elastic-strip pressure test device and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107560774A (en) | Portable elastic-strip pressure on-line measuring device | |
| CN207231686U (en) | Elastic-strip pressure on-line measuring device and its pre- clamping and laborsaving micro- hoisting mechanism | |
| CN101581629A (en) | Self-locking test device of automobile cable pulley type glass lifter | |
| CN207248411U (en) | Portable elastic-strip pressure on-line measuring device | |
| CN202420991U (en) | Multi-functional digital tester of playground | |
| CN203350129U (en) | Polymer environment stress cracking experiment combined device | |
| CN209132017U (en) | A kind of drill core coring device | |
| CN202793946U (en) | Impact testing apparatus | |
| CN201795762U (en) | Roundness measuring instrument | |
| CN207516050U (en) | Automobile multifunctional testing stand | |
| CN201359540Y (en) | Lateral resistance detection device for railway track bed | |
| CN207263355U (en) | A kind of elastic-strip pressure on-line measuring device | |
| CN209356103U (en) | A kind of pressure lever type fastening elastic rod buckle press on-line measurement system | |
| CN204301829U (en) | Leak processing to weigh testing product locating device | |
| CN207314068U (en) | The lifting force direction automatic mechanism of elastic-strip pressure on-line measuring device | |
| CN201535661U (en) | Special gauge for gauging engine cylinder hole perpendicularity | |
| CN202265278U (en) | Elevator lift car load weighing device | |
| CN202002787U (en) | Intensity detector for lead-acid storage battery groove | |
| CN109374187B (en) | Compression bar type fastener elastic bar buckling pressure online measurement system | |
| CN202092541U (en) | Standard measuring device for automotive sheet metal part detecting tools | |
| CN203249581U (en) | Inner sphere diameter detecting device of differential housing | |
| CN203310500U (en) | Novel flexible cup support structure with large-displacement for weighing large-scale object | |
| CN207007136U (en) | A kind of sheet metal part thickness test equipment | |
| CN202734713U (en) | Open-file dimension testing fixture for components with conical parts | |
| CN102680217B (en) | Opening pressure detection device for check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |