CN209279929U - Measure arm and track detector - Google Patents
Measure arm and track detector Download PDFInfo
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- CN209279929U CN209279929U CN201822198894.6U CN201822198894U CN209279929U CN 209279929 U CN209279929 U CN 209279929U CN 201822198894 U CN201822198894 U CN 201822198894U CN 209279929 U CN209279929 U CN 209279929U
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- link assembly
- handle
- connecting rod
- attachment base
- upper connecting
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Abstract
The utility model discloses a kind of measurement arms, applied to track detector, including link assembly and attachment base, one end of the link assembly and the attachment base are rotatablely connected, the other end is for connecting measurement wheel, the link assembly is equipped with spring, the spring is for pulling the link assembly to rotate, the attachment base is equipped with handle, the handle is hollow structure, displacement sensor is equipped with inside the handle, one end of institute's displacement sensors is connect with the handle, the other end stretches out outside the handle to be connect with the link assembly, when the link assembly rotates, the entire length of institute's displacement sensors changes correspondingly.Lasting support force can be generated to measurement wheel using spring and link assembly, be not necessarily to artificial continued support, and the support force that spring generates is fixed value, error reduces.The invention also discloses a kind of track detectors using above-mentioned measurement arm.
Description
Technical field
The utility model relates to orbit measurement technical fields, more particularly to a kind of measurement arm and track detector.
Background technique
When building rail, such as the third rail of underground railway track, the geometric parameter of track need to be measured, in time to track
Abnormal position is handled.
Currently, the measurement to third rail geometric parameter uses track detector, the side of the track detector is equipped with spy
The fixed measurement component that can be slided on third rail need to take turns measurement when measuring opposite sliding between component wheel and third rail
It is supported, continues to contact with third rail to ensure to measure wheel.Existing measurement wheel, which mostly uses, manually persistently to be supported,
Slow traverse measurement wheel is while support to detect the track along road.
When using being manually supported to measurement wheel, support force is difficult to control, and different support forces will lead to measurement wheel
Different measurement results is obtained, error is larger.
Utility model content
One purpose of the utility model is to propose a kind of measurement arm, the measurement arm can automatically keep measurement wheel continue with
Rail contact is not necessarily to artificial continued support.
A kind of measurement arm, is applied to track detector, including link assembly and attachment base, one end of the link assembly with
The attachment base rotation connection, the other end are equipped with spring for connecting measurement wheel, the link assembly, and the spring is for drawing
The link assembly rotation is moved, the attachment base is equipped with handle, and the handle is hollow structure, is equipped with position inside the handle
One end of displacement sensor, institute's displacement sensors is connect with the handle, and the other end stretches out outside the handle and the connecting rod
Component connection, when the link assembly rotates, the entire length of institute's displacement sensors is changed correspondingly.
According to the utility model proposes measurement arm, using spring elastic force stretchy link assembly rotate, work as connection rod set
On part when setting measurement wheel, measurement wheel can be contradicted with third rail, be able to achieve measurement wheel in the effect of spring and continued to connect with third rail
Touching is not necessarily to artificial continued support, and the support force that spring generates is fixed value；Displacement sensor is capable of measuring the rotation of link assembly
Angle calculates the length travel amount of measurement wheel with this, meanwhile, displacement sensor is arranged inside handle, is providing handle function
While energy, it is also capable of measuring length travel amount, more compact structure.
In addition, can also have the following additional technical features: according to measurement arm provided by the utility model
Further, the link assembly includes upper connecting rod disposed in parallel and lower link, the upper connecting rod and lower link
One end pass through shaft and the attachment base and be rotatablely connected, the upper connecting rod is located above the lower link, when the upper company
When the other end of bar and the lower link and the same part are rotatablely connected, the link assembly forms four-bar linkage structure.
Further, between the upper connecting rod and the lower link, the both ends of the spring connect the spring respectively
Connect the one end of one end and the lower link far from the attachment base of the upper connecting rod close to the attachment base.
Further, the handle is laterally setting, and the link assembly is equipped with strut, and the highest point of the strut is high
In the minimum point of the handle, the link assembly is connect by the strut with institute displacement sensors.
Further, the lower link is equipped with strut, is uniformly provided with lightening hole on the upper connecting rod and the lower link,
The strut passes through the lightening hole of the upper connecting rod and institute displacement sensors are connect, when the upper connecting rod and the lower link are same
When being swung down to specified angle, the inner wall of the lightening hole of the strut and the upper connecting rod contradicts.
Further, it is equipped with limited block close to the attachment base on the link assembly, the limited block is towards the company
Joint chair is equipped with longitudinal surface interconnected and inclined-plane, and the inclined-plane is located above the longitudinal surface, the longitudinal surface and it is described tiltedly
Face is respectively used to limit the angle that the link assembly downwardly and upwardly rotates.
Further, the end of the handle is the warp architecture towards the attachment base.
Further, the attachment base is equipped with locating notch far from one end of the link assembly.
Another purpose of the utility model is to propose a kind of track detector using above-mentioned measurement arm.
The beneficial effects of the utility model are: using spring and link assembly lasting support force can be generated to measurement wheel,
Without artificial continued support, and the support force that spring generates is fixed value, and error reduces；Displacement sensor is arranged in handle
Portion is also capable of measuring length travel amount, more compact structure while providing handle function；Upper connecting rod and lower link can form four
Link mechanism, it is ensured that the regulation of longitudinal angle for measuring wheel is constant always, and lightening hole can reduce the overall weight of measurement arm, meanwhile, when
Itself and strut when cooperating can limiting rod component rotational angle, cooperation limited block make link assembly can only within the specified range into
Row rotation.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the three dimensional structure diagram of the measurement arm of the utility model first embodiment；
Fig. 2 is the schematic cross-sectional view that arm is measured in Fig. 1；
Fig. 3 is the side structure schematic view that arm is measured in Fig. 1；
Fig. 4 is the structural schematic diagram of limited block in Fig. 1；
In figure: 1- link assembly, 11- upper connecting rod, 12- lower link, 13- strut, 14- lightening hole, 15- spring, 16- limit
Block, 161- longitudinal surface, the inclined-plane 162-, 2- attachment base, 21- handle, 22- displacement sensor, 23- locating notch.
Specific embodiment
It is practical to this with reference to the accompanying drawing to keep the purpose of this utility model, feature and advantage more obvious and easy to understand
Novel specific embodiment is described in detail.Several embodiments of the utility model are given in attached drawing.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to keep the disclosure to the utility model more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
It please referring to Fig.1 to Fig.3, the first embodiment of the utility model proposes a kind of measurement arm, it is applied to track detector,
Including link assembly 1 and attachment base 2.
Specifically, one end of the link assembly 1 and the attachment base 2 are rotatablely connected, the other end measures wheel for connecting,
The link assembly 1 is equipped with spring 15, and the spring 15 is set on the attachment base 2 for pulling the link assembly 1 to rotate
There is handle 21, the handle 21 is hollow structure, is equipped with displacement sensor 22, institute's displacement sensors 22 inside the handle 21
One end connect with the handle 21, the other end stretches out 21 outside of the handle and connect with the link assembly 1, when the connecting rod
When component 1 rotates, the entire length of institute's displacement sensors 22 is changed correspondingly.
It should be noted that upper displacement sensors 22 use traditional structure with measuring staff, the stretching of measuring staff is utilized
Length obtain the displacement of connecting component.
The advantage of the utility model is, is rotated using the elastic force stretchy link assembly of spring 15, when on link assembly 1
When setting measurement wheel, measurement wheel can be contradicted with third rail, be able to achieve measurement wheel in the effect of spring 15 and continued to contact with third rail,
Without artificial continued support, and the support force that spring generates is fixed value, can reduce measurement error；Displacement sensor 22 is capable of measuring
The rotational angle of link assembly 1 can calculate the length travel amount of measurement wheel with this, meanwhile, displacement sensor 22 is arranged in handle
Inside hand 21, while 21 function of handle is provided, it is also capable of measuring length travel amount, is not expanded under the conditions of increasing new function
Measure the occupied space of arm, more compact structure.
Specifically, the link assembly 1 includes upper connecting rod 11 disposed in parallel and lower link 12, the upper connecting rod 11 is under
One end of connecting rod 12 passes through shaft and the attachment base 2 is rotatablely connected, and the upper connecting rod 11 is located at 12 top of lower link,
When the other end of the upper connecting rod 11 and the lower link 12 and the same part are rotatablely connected, the link assembly 1 forms four
Link mechanism.
It should be noted that upper connecting rod 11 remains parallel with the line at 12 both ends of lower link under four-bar linkage structure,
Then when connection measurement wheel, being able to maintain measurement wheel will not cause angle to change because of the rotation of link assembly 1.
In addition, the spring 15, between the upper connecting rod 11 and the lower link 12, the both ends of the spring 15 are divided
The one end of one end and the lower link 12 far from the attachment base 2 of the upper connecting rod 11 close to the attachment base 2 is not connected, it should
Structure makes spring 15 be not necessarily to occupy the space other than link assembly, more reasonable structure.
In the present embodiment, the lower link 12 is equipped with strut 13, in the upper connecting rod 11 and the lower link 12
Even to be equipped with lightening hole 14, the lightening hole 14 that the strut 13 passes through the upper connecting rod 11 is connect with institute displacement sensors 22, when
When the upper connecting rod 11 and the lower link 12 are swung down to specified angle simultaneously, the strut 13 and the upper connecting rod 11
The inner wall of lightening hole 14 contradicts.
It is understood that strut 13 can be with lower link 12 when upper connecting rod 11 and lower link 12 rotate down simultaneously
It moves towards the direction far from attachment base 2, is finally contacted with the inner wall of lightening hole 14, upper connecting rod 11 and lower link 12 can not be at this time
Row rotates down.Above-mentioned specified angle is chosen as the angle when lower link 12 is parallel to the ground.
In other embodiments, the handle 21 is laterally setting, and the link assembly 1 is equipped with strut 13, the branch
The highest point of bar 13 is higher than the minimum point of the handle 21, and the link assembly 1 passes through the strut 13 and the displacement sensing
Device 22 connects.The structure can not limit the rotational angle of upper connecting rod 11 and lower link 12.
Referring to Fig. 4, it is preferred, limited block 16, the limit are equipped with close to the attachment base 2 on the link assembly 1
Block 16 is equipped with longitudinal surface 161 interconnected and inclined-plane 162 towards the attachment base 2, and the inclined-plane 162 is located at the longitudinal surface
161 top, the longitudinal surface 161 and the inclined-plane 162 are respectively used to limit what the link assembly 1 downwardly and upwardly rotated
Angle.
It should be pointed out that inclined-plane 162 can be contacted with attachment base 2 when link assembly 1 is rotated up to certain angle,
It continue to rotate link assembly 1 can not, on the contrary, longitudinal surface 161 is understood and connected when link assembly 1 is swung down to certain angle
Joint chair 2 contacts, and continue to rotate link assembly 1 can not, that is, realizes the limitation to 1 rotational angle of link assembly, cooperates
Strut 13 and lightening hole 14 make limit effect more preferably.
In the present embodiment, limited block 16 is arranged in upper connecting rod 11, and in other embodiments, limited block 16 can also be set
It sets on lower link 12, moreover it is possible to limited block 16 be set simultaneously on upper connecting rod 11 and lower link 12 again.
Preferably, the end of the handle 21 is the warp architecture towards the attachment base 2, when man-hour manually hand-held being made to measure arm
It is not easy to slide.
In addition, the attachment base 2 is equipped with locating notch 23 far from one end of the link assembly 1, other can be cooperated to be equipped with
The mounting structure of positioning convex platform is installed, and enables to carry out Primary Location using locating notch 23 when installation measures arm.
The second embodiment of the utility model proposes a kind of track detector, which includes at least in first embodiment
Measure arm.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of measurement arm is applied to track detector, including link assembly and attachment base, which is characterized in that the connection rod set
One end of part and the attachment base are rotatablely connected, and for the other end for connecting measurement wheel, the link assembly is equipped with spring, described
For spring for pulling the link assembly to rotate, the attachment base is equipped with handle, and the handle is hollow structure, the handle
Inside is equipped with displacement sensor, and one end of institute's displacement sensors is connect with the handle, and the other end stretches out outside the handle
It is connect with the link assembly, when the link assembly rotates, the entire length of institute's displacement sensors is changed correspondingly.
2. measurement arm according to claim 1, which is characterized in that the link assembly include upper connecting rod disposed in parallel and
One end of lower link, the upper connecting rod and lower link passes through shaft and the attachment base is rotatablely connected, and the upper connecting rod is located at
Above the lower link, when the other end of the upper connecting rod and the lower link and the same part rotation connection, the connecting rod
Component forms four-bar linkage structure.
3. measurement arm according to claim 2, which is characterized in that the spring is located at the upper connecting rod and the lower link
Between, the both ends of the spring are separately connected the upper connecting rod close to one end of the attachment base and the lower link far from described
One end of attachment base.
4. measurement arm according to claim 1, which is characterized in that the handle is laterally to be arranged, on the link assembly
Equipped with strut, the highest point of the strut is higher than the minimum point of the handle, the link assembly by the strut with it is described
Displacement sensor connection.
5. measurement arm according to claim 2, which is characterized in that the lower link be equipped with strut, the upper connecting rod and
Lightening hole is uniformly provided on the lower link, the strut passes through the lightening hole of the upper connecting rod and institute's displacement sensors connect
It connects, when the upper connecting rod and the lower link are swung down to specified angle simultaneously, the strut subtracts with the upper connecting rod
The inner wall of repeated hole contradicts.
6. measurement arm according to claim 1, which is characterized in that be equipped with limit close to the attachment base on the link assembly
Position block, the limited block are equipped with longitudinal surface interconnected and inclined-plane towards the attachment base, and the inclined-plane is located at the longitudinal direction
Above face, the longitudinal surface and the inclined-plane are respectively used to limit the angle that the link assembly downwardly and upwardly rotates.
7. measurement arm according to claim 1, which is characterized in that the end of the handle is towards the curved of the attachment base
Bent structure.
8. measurement arm according to claim 1, which is characterized in that the attachment base is set far from one end of the link assembly
There is locating notch.
9. a kind of track detector, which is characterized in that including measurement arm described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822198894.6U CN209279929U (en) | 2018-12-25 | 2018-12-25 | Measure arm and track detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822198894.6U CN209279929U (en) | 2018-12-25 | 2018-12-25 | Measure arm and track detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209279929U true CN209279929U (en) | 2019-08-20 |
Family
ID=67607343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822198894.6U Active CN209279929U (en) | 2018-12-25 | 2018-12-25 | Measure arm and track detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209279929U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942427A (en) * | 2020-08-19 | 2020-11-17 | 湖南凌翔磁浮科技有限责任公司 | Dynamic detection device and method for magnetic suspension track contact rail |
| CN111942429A (en) * | 2020-08-19 | 2020-11-17 | 湖南凌翔磁浮科技有限责任公司 | Magnetic suspension track detection system |
| CN112902904A (en) * | 2019-12-25 | 2021-06-04 | 达州帝泰克检测设备有限公司 | High-precision pipeline inner diameter measuring device |
-
2018
- 2018-12-25 CN CN201822198894.6U patent/CN209279929U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902904A (en) * | 2019-12-25 | 2021-06-04 | 达州帝泰克检测设备有限公司 | High-precision pipeline inner diameter measuring device |
| CN111942427A (en) * | 2020-08-19 | 2020-11-17 | 湖南凌翔磁浮科技有限责任公司 | Dynamic detection device and method for magnetic suspension track contact rail |
| CN111942429A (en) * | 2020-08-19 | 2020-11-17 | 湖南凌翔磁浮科技有限责任公司 | Magnetic suspension track detection system |
| CN111942427B (en) * | 2020-08-19 | 2021-10-01 | 湖南凌翔磁浮科技有限责任公司 | Dynamic detection device and method for magnetic suspension track contact rail |
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