CN209356103U - A kind of pressure lever type fastening elastic rod buckle press on-line measurement system - Google Patents
A kind of pressure lever type fastening elastic rod buckle press on-line measurement system Download PDFInfo
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- CN209356103U CN209356103U CN201821994610.8U CN201821994610U CN209356103U CN 209356103 U CN209356103 U CN 209356103U CN 201821994610 U CN201821994610 U CN 201821994610U CN 209356103 U CN209356103 U CN 209356103U
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- hinged
- elastic rod
- line measurement
- measurement system
- lever type
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Abstract
The utility model relates to a kind of pressure lever type fastening elastic rod buckle press on-line measurement systems, including clamping articulated mounting, attachment device, positioning device, device for measuring force and compression bar, one end of the positioning device is connect with the compression bar, one end is flexibly connected with the attachment device, and the attachment device is flexibly connected with the clamping articulated mounting;The device for measuring force is installed on the compression bar or is installed between the attachment device and clamping articulated mounting.Compared with prior art, the utility model have the advantages that easy to operate, dynamometry precision is high, it is easy to carry, do not have to in-site installation, the buckle press especially suitable for on-line measurement railway fastening elastic rod.
Description
Technical field
The utility model relates to a kind of device for measuring force of railway territory, withhold more particularly, to a kind of pressure lever type fastening elastic rod
Power on-line measurement system.
Background technique
In recent years, in order to alleviate the traffic pressure in city, the City Rail Transit Systems such as subway and inter-city passenger rail are obtained
It is fast-developing;While these modes of transportation are that city arrival facilitates, the vibration and noise that track structure generates also give people's
Life brings great puzzlement.
Fastener system is as the critical component in railway track structure, in the spring of connection rail and track foundation in vehicle
It plays an important role in safe operation, buckle press size is to evaluate one of the major parameter of fastener performance.
Currently, existing toe load of fastening dynamometer mainly carries out indoors, structure is complicated for dynamometry instrument, assisted tester
Device assembly is more, not Portable belt, is also not suitable for on-line testing.It is applied to low, the force value of withholding force tester precision at route scene
Error is larger, and is only applicable to the buckle press test of single fastening elastic rod structure, there is certain limitation.
107560774 A of Chinese patent CN discloses a kind of portable elastic-strip pressure on-line measuring device, by can be in steel
Rack, rack-mounted spring clamping device and the laborsaving micro- hoisting mechanism, load cell, position for positioning and locking on rail
Displacement sensor and detection of electrons display portion composition.Laborsaving micro- hoisting mechanism includes lifting force direction automatic mechanism,
Lifting force direction automatic mechanism by lower fixed disk, upper mobile disk and be arranged between fixed disk and upper mobile disk two
Arrange ball composition;The center of upper mobile disk is equipped with load cell pull rod and installs circular hole, and the middle position of lower fixed disk, which is equipped with, to be surveyed
Force snesor pull rod is displaced long hole, when load cell pull rod is not parallel with the perpendicular bisector of rail by upward lifting force,
The component of transverse direction pushes upper mobile disk to produce lateral displacement with respect to lower fixed disk, so that in the Impact direction approach and rail of spring
Vertical line is parallel, and then can guarantee to survey the accuracy for withholding force value.But the apparatus structure is complicated, carrying not easy to install, surveys
It needs repeatedly to disassemble and install spring clamping device on rail during examination, it is not convenient enough to operate, and in railway line
Drive test amount elastic-strip pressure can only be carried out in the period not being open to traffic, it is desirable that can quickly test large quantities of fastening elastic rods on the line
Online buckle press, therefore the technology of 107560774 A of Chinese patent CN is unable to satisfy fast due to needing that installation is repeated
The demand of speed test;Reinforcing mode should not influence track condition as far as possible to obtain high precision when in addition testing, because using
Lifting system test corresponding lifting force when spring leaves rail carrys out equivalent buckle press, and the change in location of rail or deformation are direct
Measuring accuracy is influenced, therefore the fixed system of the patent and forces acted on rail generate Rail torsion deformation etc. because structure limits and can bring
Very important test error is unable to satisfy the demand of high-acruracy survey.
Buckle press on-line testing needs a set of convenient test, precision height, portable dynamometry instrument, thus, it is based on this
Reason needs to design a convenient, easy device for measuring force.
Utility model content
The purpose of this utility model is exactly to provide a kind of pressure lever type button to overcome the problems of the above-mentioned prior art
Part elastic-strip pressure on-line measurement system.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of pressure lever type fastening elastic rod buckle press on-line measurement system, including clamping articulated mounting, attachment device, positioning dress
It sets, device for measuring force and compression bar,
One end of the positioning device is connect with the compression bar, and one end is flexibly connected with the attachment device, the connection
Device is flexibly connected with the clamping articulated mounting;
The device for measuring force is installed on the compression bar or is installed between the attachment device and clamping articulated mounting.
When applying downforce load on compression bar, power passes through device for measuring force, positioning device and attachment device and hinged clamping hinge
Connection device transmitting, clamping articulated mounting will promptly fastening elastic rod be promoted, and form elastic-strip pressure.It is adopted by device for measuring force and data
Collect instrument, would indicate that the spring withholds force value.
The positioning device includes positioning device ontology, positioning pin and locating piece, the locating piece and positioning device sheet
Body is hinged by positioning pin;One end of the positioning device ontology is connect with the compression bar, and the other end and the attachment device are cut with scissors
It connects.Support positioning is contacted with rail by the locating piece in positioning device.
The locating piece is 0-60 ° along the rotation angle of the positioning pin.
Location hole as compression bar push when horizontal support effect face, the shape of rotational positioning block can be block polygon,
Semicircle etc..
The attachment device includes lower plate, lower connecting shaft, upper plate and upper connecting shaft;The upper plate and the positioning
Device is hinged by the upper connecting shaft;The lower plate and upper plate are hinged by lower connecting shaft.The attachment device plays biography
Pass the effect of cross force.
The clamping articulated mounting includes gripping body and upper swivel pin, and the grasping structures pass through upper with the lower plate
Swivel pin is hinged.
There are two the lower plate is set, described two lower plates and the upper swivel pin form triangular structure;The folder
Take mechanism to be equipped with two sets, it is hinged with the upper swivel pin respectively, and by two sets of gripping bodies of limit adjusting nut limitation it
Between distance.
The gripping body includes the two hinged pulling claws hinged by lower swivel pin, and the end of the hinged pulling claw leads to respectively
Middle swivel pin and two hinged block active links are crossed, described two hinged blocks are hinged by upper swivel pin with the lower plate;Institute
The lower end for stating hinged pulling claw forms semi-enclosed circular arc, and hinged pulling claw can match connection with fastening elastic rod, connect in spring and rail
Touching is that plane or slope can use.
When grasping structures are two sets of hinged pulling claws, the buckle press which is suitable for any fastening elastic rod is surveyed
Examination, such as e type, w type, PR type and quick elastic bar
The gripping body is suspension hook, and the upper end of the suspension hook is hinged by the upper swivel pin with the lower plate.
The device for measuring force includes dynamometry rotary table sensor, data collecting instrument and pressure ring;The dynamometry rotary table sensor
Both ends are connect with the pressure ring respectively;The pressure ring is threadedly coupled with the compression bar;It sticks and answers at the dynamometry rotary table sensor
Become piece, which connect with the data collecting instrument.By the effect of compression bar, strain signal is converted into Acquisition Instrument identification
Then current signal is shown with force signal.
The device for measuring force be axial tension sensor, be installed on attachment device and clamping articulated mounting between, and with institute
State data collecting instrument connection.Fastening elastic rod, which is directly displayed out, by data collecting instrument withholds force value.
Compression bar one end setting external screw thread is connected with device for measuring force internal screw thread.Extension bar etc. can be set according to the size of power,
Increase the arm of force, mitigate on-the-spot test intensity, and the stability and safety of force measuring device are withheld in protection during the test.
Compared with prior art, attachment device is arranged using between compression bar and clamping articulated mounting in the utility model, the company
The scheme that the both ends of connection device are flexibly connected with compression bar and clamping articulated mounting respectively, so that ensure that when compression bar pushes, pressure
The angle formed between bar and attachment device pushes process change with compression bar, guarantees that attachment device and clamping articulated mounting are formed
Straight line be always parallel to the perpendicular bisector of rail;It, only need to be by the positioning device of the elastic-strip pressure on-line measurement system when measurement
Locating piece be placed on rail to be measured, clamping articulated mounting is clamped into spring to be measured, compression bar is pulled down, without scene
Installation.The utility model makes applied force and test force and supporting-point form lever principle using compression bar simultaneously, is with rail head top surface
Expansion bearing point, test applied force and test force are distributed in rail two sides will not generate torsional deflection influence test essence to rail
Degree, and be greatly lowered and apply the simple manual operation completion spring lifting force of force request and avoid complicated bulky hoisting mechanism
Work is fixedly mounted with scene, greatly increases live a large amount of on-line testing efficiency, the utility model have it is easy to operate,
Dynamometry precision height, advantage easy to carry, the buckle press especially suitable for online dynamometry fastening elastic rod.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model in embodiment 1;
Fig. 2 is the structural schematic diagram of attachment device and clamping articulated mounting in the utility model in embodiment 1;
Fig. 3 is the structural schematic diagram of positioning device in the utility model in embodiment 1;
Fig. 4 is the structural schematic diagram of locating piece in the utility model in embodiment 1;
Fig. 5 is the structural schematic diagram of device for measuring force in the utility model in embodiment 1;
Fig. 6 is the structural schematic diagram of the utility model in embodiment 2;
Fig. 7 is the structural schematic diagram of the utility model in embodiment 3;
Fig. 8 is to clamp articulated mounting structural schematic diagram in embodiment 3 in the utility model;
Fig. 9 is embodiment schematic diagram in the utility model in embodiment 3;
Figure 10 is the structural schematic diagram of the utility model in embodiment 4;
Figure 11 is the structural schematic diagram for clamping articulated mounting in embodiment 4 in the utility model;
Figure 12 is embodiment schematic diagram in the utility model in embodiment 4;
In figure, 1 is clamping articulated mounting, and 101 be hinged pulling claw, and 102 be lower swivel pin, and 103 be middle swivel pin, and 104 are
Hinged block, 105 be upper swivel pin, and 106 be positioning adjusting nut, and 107 be suspension hook, and 2 be attachment device, and 201 be lower plate, 202
It is upper plate for lower connecting shaft, 203,204 be upper connecting shaft, and 3 be positioning device, and 301 be positioning pin, and 302 be locating piece, and 4 are
Device for measuring force, 401 be sensor, and 402 be data collecting instrument, and 5 be compression bar, and 6 be spring.
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
Embodiment 1
A kind of pressure lever type fastening elastic rod buckle press on-line measurement system, structure is as shown in Figure 1, include clamping articulated mounting
1, one end of attachment device 2, positioning device 3, device for measuring force 4 and compression bar 5, positioning device 3 is connect with compression bar 5, one end with connect
Device 2 is flexibly connected, and attachment device 2 is flexibly connected with clamping articulated mounting 1.
Positioning device 3 include positioning device ontology 303, positioning pin 301 and locating piece 302, as shown in figure 3, locating piece
302 are flexibly connected with positioning device ontology 303 by positioning pin 301;One end of positioning device ontology 303 is connect with compression bar 5, separately
One end and attachment device 2 are hinged;Locating piece 302 is 0-60 ° along the rotation angle of positioning pin 301;The shape octagon of locating piece,
As shown in Figure 4.
Attachment device 2 includes lower plate 201, lower connecting shaft 202, upper plate 203 and upper connecting shaft 204, as shown in Figure 2;
Upper plate 203 and positioning device 3 are hinged by upper connecting shaft 204;Lower plate 201 and upper plate 203 pass through lower connecting shaft 202
Hingedly;The lower part of lower plate 201 and the grasping structures of clamping articulated mounting 1 are hinged by upper swivel pin 105;Clamp articulated mounting
1 includes two hinged pulling claws 101 being flexibly connected by lower swivel pin 102, and the end of the hinged pulling claw 101 passes through middle hinge respectively
Outbound 103 and two hinged blocks 104 are hinged, and two hinged blocks 104 and lower plate 201 are hinged by upper swivel pin 105;It is hinged to draw
The lower end of pawl 101 forms semi-enclosed circular arc, for clamping the bullet toe of spring.
Device for measuring force 4 is installed on compression bar 5, including dynamometry rotary table sensor 401, data collecting instrument 402 and pressure ring 403,
As shown in Figure 5;The both ends of dynamometry rotary table sensor 401 are connect with pressure ring 403 respectively;Pressure ring 403 and compression bar 5 pass through thread spindle
Hole connection;Foil gauge is sticked at dynamometry rotary table sensor 401, which connect with data collecting instrument 402.
When dynamometry, pressure lever type elastic-strip pressure online testing device is clamped by the hinged pulling claw 101 of clamping articulated mounting 1
Spring, the locating piece 302 in positioning device 3 are supported on Rail Surface, when applying down force on compression bar 5, active force
It is passed to by device for measuring force 4, positioning device 3, attachment device 2 on the hinged pulling claw 101 of clamping articulated mounting 1, pulling claw will be promoted
Spring 6 arrives certain altitude, and the foil gauge of device for measuring force 4 deforms at this time and the signal that conducts electricity to Acquisition Instrument 402 and is converted to
Force signal is shown, a kind of elastic-strip pressure value is obtained.
Embodiment 2
A kind of pressure lever type fastening elastic rod buckle press on-line measurement system, structure as shown in fig. 6, this implementation main structure
It is identical as the main structure for implementing 1, the difference is that the installation site and specific structure of device for measuring force 4.
In the present embodiment, measuring device 4 is installed between attachment device 2 and clamping articulated mounting 1, which is
Tension sensor directly carries out signal acquisition and reading using tension sensor, and will directly display buckle press by data instrument
The size of value.
Embodiment 3
A kind of pressure lever type fastening elastic rod buckle press on-line measurement system, structure as shown in fig. 7, this implementation main structure
It is identical as the main structure for implementing 2, the difference is that specific structure and the connection side of clamping articulated mounting 1 and attachment device 2
Formula is different, specific as shown in figure 8, attachment device 2 includes lower plate 201, lower connecting shaft 202, upper plate 203 and upper connecting shaft
204, upper plate 203 and positioning device 3 are hinged by upper connecting shaft 204;There are two lower plate 201 is set, two lower plates 201
Triangular structure is formed with upper swivel pin 105, the upper end of two lower plates 201 is cut with scissors by lower connecting shaft 202 with upper plate 203
It connects, the lower end of two connecting plates 201 is connect with the both ends of upper swivel pin 105 respectively, and limit is secured with nuts;Corresponding clamping
Articulated mounting 1 is set there are two gripping body, hinged with upper swivel pin 105 respectively, and adjusts two using limit adjusting nut 106
Distance between hinged pulling claw 101, to adapt to the pulling claw position of different spring structures and size, which is suitable for
The buckle press of the more complicated w type spring of structure is tested.
When dynamometry, pressure lever type elastic-strip pressure online testing device by clamping articulated mounting 1 two hinged pulling claws 101
Clamp spring, as shown in figure 9, and positioned by limit adjusting nut 106, the locating piece 302 in positioning device 3 is supported on steel
Track surface, when applying down force on compression bar 5, active force is passed by device for measuring force 4, positioning device 3, attachment device 2
Onto two hinged pulling claws 101 of clamping articulated mounting 1, hinged pulling claw 101 will promote spring 6 and arrive certain altitude, at this time dynamometry
The axial tension sensor of device 4 will be shown, obtain a kind of elastic-strip pressure value.
Embodiment 4
A kind of pressure lever type fastening elastic rod buckle press on-line measurement system, structure is as shown in Figure 10, the main body knot of this implementation
Structure is identical as the main structure for implementing 1, the difference is that specific structure and the connection of clamping articulated mounting 1 and attachment device 2
Mode is different, and clamping articulated mounting 1 uses different gripping bodies, clamps between articulated mounting 1 and attachment device 2
Connection type is in the same manner as in Example 3, specifically: attachment device 2 includes lower plate 201, lower connecting shaft 202,203 and of upper plate
Upper connecting shaft 204, upper plate 203 and positioning device 3 are hinged by upper connecting shaft 204;There are two lower plate 201 is set, this two
Lower plate 201 and upper swivel pin 105 form triangular structure, the upper ends of two lower plates 201 by lower connecting shaft 202 with it is upper
Connecting plate 203 is hinged, and the lower end of two connecting plates 201 is connect with the both ends of upper swivel pin 105 respectively, and limit is secured with nuts;
Corresponding clamping articulated mounting 1 is set there are two gripping body, hinged with upper swivel pin 105 respectively, and using limit adjusting nut
Distance between 106 two hinged pulling claws 101 of adjustment, to adapt to the pulling claw position of different spring structures and size, the clamping is hinged
Device is suitable for the buckle press test of the more complicated w type spring of structure.
Clamping articulated mounting 1 in the present embodiment is made of two suspension hooks hinged 107, as shown in figure 11, and with hingedly
Adjusting nut 106 on pin 105 adjusts distance between two hinged pulling claws 101, to adapt to different spring structures and size
Pulling claw position directly displays the size for withholding force value by tension sensor, as shown in figure 12.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (10)
1. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system, including clamp articulated mounting (1), attachment device (2), determine
Position device (3), device for measuring force (4) and compression bar (5), which is characterized in that
One end of the positioning device (3) is connect with the compression bar (5), and one end is flexibly connected with the attachment device (2), described
Attachment device (2) is flexibly connected with the clamping articulated mounting (1);
The device for measuring force (4) is installed on the compression bar (5) or is installed on the attachment device (2) and clamping articulated mounting
(1) between.
2. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 1, which is characterized in that described
Positioning device (3) include positioning device ontology (303), positioning pin (301) and locating piece (302), the locating piece (302) with
Positioning device ontology (303) is flexibly connected by positioning pin (301);One end of the positioning device ontology (303) and the pressure
Bar (5) connection, the other end and the attachment device (2) are hinged.
3. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 2, which is characterized in that described
Locating piece (302) is 0-60 ° along the rotation angle of the positioning pin (301).
4. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 1, which is characterized in that described
Attachment device (2) includes lower plate (201), lower connecting shaft (202), upper plate (203) and upper connecting shaft (204);The upper company
Plate (203) and the positioning device (3) are hinged by the upper connecting shaft (204);The lower plate (201) and upper plate
(203) hinged by lower connecting shaft (202).
5. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 4, which is characterized in that described
Clamping articulated mounting (1) includes gripping body and upper swivel pin (105), and the grasping structures pass through with the lower plate (201)
Upper swivel pin (105) is hinged.
6. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 5, which is characterized in that described
There are two lower plate (201) is set, described two lower plates (201) and the upper swivel pin (105) form triangular structure;It is described
Gripping body is equipped with two sets, respectively hingedly with the upper swivel pin (105), and passes through limit adjusting nut (106) limitation two
Cover the distance between gripping body.
7. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 5, which is characterized in that described
Gripping body includes two hinged pulling claws (101) being flexibly connected by lower swivel pin (102), the end of the hinged pulling claw (101)
Portion passes through middle swivel pin (103) and two hinged blocks (104) hingedly respectively, described two hinged blocks (104) and the lower plate
(201) hinged by upper swivel pin (105);The lower end of the hinged pulling claw (101) forms semi-enclosed circular arc.
8. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 5, which is characterized in that described
Gripping body is suspension hook (107), and the upper end and the lower plate (201) of the suspension hook (107) pass through the upper swivel pin (105)
Hingedly.
9. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 1, which is characterized in that described
Device for measuring force (4) includes dynamometry rotary table sensor (401), data collecting instrument (402) and pressure ring (403);The dynamometry rotary table passes
The both ends of sensor (401) are connect with the pressure ring (403) respectively;The pressure ring (403) is threadedly coupled with the compression bar (5);Institute
It states and sticks foil gauge at dynamometry rotary table sensor (401), which connect with the data collecting instrument (402).
10. a kind of pressure lever type fastening elastic rod buckle press on-line measurement system according to claim 9, which is characterized in that institute
State device for measuring force (4) be axial tension sensor, be installed on attachment device (2) and clamp articulated mounting (1) between, and with it is described
Data collecting instrument (402) connection.
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CN201821994610.8U CN209356103U (en) | 2018-11-30 | 2018-11-30 | A kind of pressure lever type fastening elastic rod buckle press on-line measurement system |
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CN201821994610.8U CN209356103U (en) | 2018-11-30 | 2018-11-30 | A kind of pressure lever type fastening elastic rod buckle press on-line measurement system |
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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 |
CN113720236A (en) * | 2021-08-30 | 2021-11-30 | 中铁隆昌铁路器材有限公司 | W1 type elastic strip comprehensive detection platform and detection method |
-
2018
- 2018-11-30 CN CN201821994610.8U patent/CN209356103U/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 |
CN113720236A (en) * | 2021-08-30 | 2021-11-30 | 中铁隆昌铁路器材有限公司 | W1 type elastic strip comprehensive detection platform and detection method |
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