CN209700694U - Grooved rail track detector - Google Patents
Grooved rail track detector Download PDFInfo
- Publication number
- CN209700694U CN209700694U CN201822193446.7U CN201822193446U CN209700694U CN 209700694 U CN209700694 U CN 209700694U CN 201822193446 U CN201822193446 U CN 201822193446U CN 209700694 U CN209700694 U CN 209700694U
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- wheel
- grooved rail
- measurement
- crossbeam
- track detector
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Abstract
The utility model discloses a kind of grooved rail track detectors, for measuring the geometric parameter of grooved rail, the grooved rail is equipped with groove, the grooved rail track detector includes crossbeam, side arm and push rod, one end of the crossbeam with and the middle part of the side arm connect, form T-shaped structure, the other end of the crossbeam is equipped with the first measurement component, the middle part of the side arm is equipped with the second measurement component, the first measurement component and the second measurement component are used to measure the gauge of the grooved rail jointly, when the grooved rail track detector, which executes, to be measured, the first measurement component and the second measurement component cooperate with groove movement, the middle part of the crossbeam is arranged in the push rod, settable computer system on the push rod.It is located in the groove measurement wheel, the track detector is made to can be suitably used for grooved rail by the way that measurement wheel is separately provided using the first measurement component and the second measurement component and the mobile cooperation of groove.
Description
Technical field
The utility model relates to orbit geometry parameter detection device technology fields, more particularly to a kind of grooved rail track detecting
Instrument.
Background technique
The gauge of track is the most basic evaluation index of track engineering quality condition, and that reflects the quality of track, is convenient for
Track is corrected in time.
Existing track detector is single beam structure, in one end of crossbeam setting measurement component, is measured on component
Equipped with displacement sensor and odometer sensor, for reaction rail away from variation and walking distance, by being arranged on crossbeam
Push rod pushes track detector in orbit, need to continue when promotion to keep track detector vertical with track, with measurement along road
The gauge of track judges the point for point to be improved when gauge value changes.
Compared with its rail vertical with track always, measured that is hard to keep when traditional single beam structure pushes in orbit
Away from inaccuracy, and traditional track detector is applied on common railroad track more, can not be applied on grooved rail.
Utility model content
One purpose of the utility model is to propose that a kind of grooved rail track detector, the track detector can be suitably used for slot
Rail, and can accurately measure gauge and other geometric parameters.
A kind of grooved rail track detector, for measuring the geometric parameter of grooved rail, the grooved rail is equipped with groove, the grooved rail
Track detector includes crossbeam, side arm and push rod, one end of the crossbeam with and the middle part of the side arm connect, form T-shaped
Structure, the other end of the crossbeam are equipped with the first measurement component, and the middle part of the side arm is equipped with the second measurement component, and described first
Measurement component and the second measurement component are used to measure the gauge of the grooved rail simultaneously, when the grooved rail track detector executes
When measurement, with the mobile cooperation of the groove, the push rod, which is arranged, to exist for the first measurement component and the second measurement component
The middle part of the crossbeam.
According to the utility model proposes grooved rail track detector, T-shaped structure is formed by crossbeam and side arm, when measurement
Crossbeam can be arranged across track, side arm is then parallel to track and slides in orbit, can continue to keep crossbeam vertical with track；Benefit
With the first measurement component and the second measurement component and the mobile cooperation of groove, the track detector is made to can be suitably used for grooved rail.
In addition, can also have the following additional technical features: according to grooved rail track detector provided by the utility model
Further, the first measurement component includes that the first debooster, the first traveling wheel and the first measurement are taken turns, described
First debooster is equipped with the first displacement sensor, and first debooster connects the first traveling wheel, first measurement
Wheel is connect with first traveling wheel, and bottom first traveling wheel of the first measurement wheel is low, when the grooved rail rail
When road detector executes measurement, the upper surface of first traveling wheel and the grooved rail, which rolls, to be cooperated, the first measurement wheel position
In rolling cooperation in the groove and with the trench wall, first displacement sensor is for measuring the first measurement wheel
Displacement.
Further, the crossbeam is hollow structure, and first debooster includes guide rod, sliding sleeve, baffle and bullet
Spring, inside the crossbeam, the guide rod is parallel to the crossbeam and connect with the baffle baffle plate setting, the sliding sleeve
It is set on the guide rod, the spring is arranged between the sliding sleeve and the baffle, and the lower surface of the crossbeam is equipped with
Sliding slot, the sliding sleeve by being connect through the connecting plate of the sliding slot with first traveling wheel, the connecting plate with it is described
Sliding slot is slidably matched.
Further, the traveling wheel is equipped with wheel fork, and the wheel fork is connect with first debooster, and described first
Measurement wheel includes shell and idler wheel, and the first measurement wheel is connect by the shell with the wheel fork, the idler wheel with it is described
Shell is rotatably assorted.
Further, the shell is hollow structure, and the idler wheel connects rotating bar, and the rotating bar protrudes into the shell
Inside is simultaneously rotatably assorted with the inner wall of the shell.
Further, bearing is equipped between the shell and the rotating bar.
Further, the both ends of the side arm are equipped with the second traveling wheel, one of them described second traveling wheel is equipped with
Odometer sensor, the second measurement component include the second debooster and the second measurement wheel, the second debooster and described the
One debooster has identical structure, and the second measurement wheel has identical structure with the first measurement wheel, and described second surveys
Amount wheel connects the sliding sleeve of second debooster.
Further, the upper end of the push rod is equipped with handle and bracket, and the bracket is described for placing computer system
The lower end of push rod is flexibly connected by connection component with the crossbeam.
Further, the connection component includes rod set, position-arresting disk and pedestal, and the position-arresting disk is arranged in the pedestal
On, the position-arresting disk is semicircular disk-like structure, and edge is equipped with several limiting slots, and the rod set is connect with the push rod,
The rod set is rotatablely connected by shaft and the position-arresting disk, is equipped with limited block inside the rod set, the limited block with it is described
Limiting slot is engaged by clamping, and the limited block is equipped with adjusting rod, and the rod set is located at the adjusting rod equipped with extending transversely through
Sliding slot, the adjusting rod are slidably matched with the sliding slot, and the adjusting rod is used to adjust the height of the limited block.
Further, the pedestal is equipped with rotating disc, and the rotating disc is connect with the base rotation, the rotating disc
It is equipped with connecting column, the connecting column is arranged through the pedestal, and the rod set is rotated by the shaft and the connecting column
Connection, the edge of the rotating disc are uniformly provided with card slot, and the side of the pedestal is transversely provided with through-hole, is equipped with and inserts in the through-hole
Pin, the bolt is for being inserted into the card slot.
The beneficial effects of the utility model include at least:
(1) cooperated using the first measurement component and the second measurement component and groove movement, by the way that measurement wheel is separately provided, made
Measurement wheel is located in the groove, and the track detector is made to can be suitably used for grooved rail；
(2) so that push rod is can be carried out all-direction rotation by position-arresting disk and pedestal, convenient for adjusting the angle of push rod, make push rod
It can be suitably used for more scenes.
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 structural schematic diagram of the grooved rail track detector of the utility model first embodiment；
Fig. 2 is grooved rail track detector use state diagram in Fig. 1；
Fig. 3 is the schematic cross-sectional view of the first measurement component in Fig. 1；
Fig. 4 is the schematic cross-sectional view of the first measurement wheel in Fig. 3；
Fig. 5 is the structural schematic diagram of side arm in Fig. 1；
Fig. 6 is the structural schematic diagram of push rod in Fig. 1；
Fig. 7 is the structural schematic diagram of connection component in Fig. 6；
Fig. 8 be in Fig. 7 connection component along the schematic cross-sectional view of position-arresting disk；
Fig. 9 be in Fig. 7 connection component along the schematic cross-sectional view of bolt；
In figure: 1- crossbeam, 11- first measure component, the first traveling wheel of 111-, and the measurement of 112- first is taken turns, 1121- shell,
1122- idler wheel, 1123- rotating bar, 1124- bearing, 113- wheel fork, the first debooster of 12-, 121- sliding sleeve, 122- are led
Bar, 123- spring, 124- baffle, 125- connecting plate, 126- sliding slot, 2- side arm, 3- push rod, 31- handle, 32- bracket, 33- connect
Connected components, 331- rod set, 3311- bolt, 332- position-arresting disk, 3321- limiting slot, 333- pedestal, 334- bolt, 335- shaft,
336- limited block, 337- rotating disc, 3371- card slot, 3372- connecting column, 4- computer system, 5- grooved rail, 51- groove.
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.
Fig. 1 and Fig. 2 are please referred to, the first embodiment of the utility model proposes a kind of grooved rail track detector, for measuring
The geometric parameter of grooved rail 5, the grooved rail 5 are equipped with groove 51, and the grooved rail track detector includes crossbeam 1, side arm 2 and push rod
3。
The geometric parameter of above-mentioned grooved rail track include gauge, level (superelevation), twist irregularity, gauge change rate, left and right rail to,
Left and right height, positive resultant mileage.
Specifically, one end of the crossbeam 1 with and the middle part of the side arm 2 connect, form T-shaped structure, the crossbeam 1
The other end be equipped with the first measurement component 11, the middle part of the side arm 2 is equipped with the second measurement component 21, the first measurement component
11 and described second measure component 21 simultaneously for measuring the gauge of the grooved rail 5, when the grooved rail track detector executes survey
When amount, the first measurement component 11 and the second measurement component 21 cooperate with groove movement, and the push rod 3 is arranged
At the middle part of the crossbeam 1.
It should be noted that crossbeam 1 and side arm 2 form T-shaped structure, when measurement, crossbeam 1 is vertically arranged across track,
Side arm 2 is then parallel and is set on track, pushes entire grooved rail track detector to slide in orbit by push rod 3, in this reality
It applies in example, the mobile cooperation of the first measurement component 11 and the second measurement component 21 is using rolling cooperation.
The advantage of the utility model is that above structure can continue to keep crossbeam 1 vertical with track；Utilize the first measurement group
Part 11 and the second measurement component 21 and the mobile cooperation of groove 51, make the track detector can be suitably used for grooved rail.
Referring to Fig. 3, specifically, the first measurement component 11 includes the first debooster 12,111 and of the first traveling wheel
First measurement wheel 112, first debooster 12 is equipped with the first displacement sensor (not shown), first debooster
12 the first traveling wheels 111 of connection, the first measurement wheel 112 are connect with first traveling wheel 111, the first measurement wheel
112 bottom, first traveling wheel low 111, when the grooved rail track detector, which executes, to be measured, first walking
Wheel 111 is rolled with the upper surface of the grooved rail 5 to be cooperated, the first measurement wheel 112 be located in the groove 51 and with the ditch
51 inner wall of slot rolls cooperation, and first displacement sensor is used to measure the displacement of the first measurement wheel 112.
It should be pointed out that the first traveling wheel 111 slides in orbit for the grooved rail track detector, the first measurement wheel
112 can be bonded rolling with groove 51, and when track gauge changes, the first traveling wheel 111 and the first measurement wheel 112 can be same
When be subjected to displacement, displacement sensor can detect this displacement and record.
In addition, the crossbeam 1 is hollow structure, first debooster 12 includes guide rod 122, sliding sleeve 121, baffle
124 and spring 123, the baffle 124 is arranged in the inside of the crossbeam 1, the guide rod 122 be parallel to the crossbeam 1 and with
The baffle 124 connects, and the sliding sleeve 121 is set on the guide rod 122, and the spring 123 is arranged in the sliding sleeve
Between 121 and the baffle 124, the lower surface of the crossbeam 1 is equipped with sliding slot 126, and the sliding sleeve 121 is by running through the cunning
The connecting plate 125 of slot 126 is connect with first traveling wheel 111, and the connecting plate 125 is slidably matched with the sliding slot 126.
When the first measurement wheel 112 is subjected to displacement, connecting plate 125 can slide on sliding slot 126, in the present embodiment, the
The inside of crossbeam 1 is arranged in one debooster 12, and more existing that the less damaged of outside is arranged in, the service life is longer.
Referring to Fig. 4, traveling wheel 111 passes through one it is understood that the traveling wheel 111 is equipped with wheel fork 113
Axis and wheel fork 113 are rotatablely connected, and the wheel fork 113 is connect with first debooster 12, and the first measurement wheel 112 includes
Shell 1121 and idler wheel 1122, the first measurement wheel 112 are connect by the shell 1121 with the wheel fork 113, the rolling
Wheel 111 is rotatably assorted with the shell 1121.
It should be noted that the first measurement wheel 112 to be arranged in the surface of wheel fork 113, wheel fork 113 will not be because of the first walking
It takes turns 111 rotation and changes or be displaced, then the result can prevent phase between the first measurement wheel 112 and the first traveling wheel 111
Mutually influence.
Specifically, the shell 1121 is hollow structure, the idler wheel 1122 connects rotating bar 1123, the rotating bar
1123 protrude into 1121 inside of shell and are rotatably assorted with the inner wall of the shell 1121.
In the present embodiment, bearing 1124 is equipped between the shell 1121 and the rotating bar 1123, in other implementations
In example, other can not also be used to reduce the structure of frictional resistance.
Referring to Fig. 5, specifically, the both ends of the side arm 2 are equipped with the second traveling wheel 22, one of them described second row
It walks wheel 22 and is equipped with odometer sensor (not shown)；
In the present embodiment, the second measurement component 21 includes that (not shown) is taken turns in the second debooster and the second measurement,
Second displacement sensor also is provided in second debooster, with the displacement of the measurement wheel of monitoring second, the second debooster and institute
The first debooster is stated with identical structure, the second measurement wheel and the first measurement wheel are with identical structure, and described the
Two measurement wheels connect the sliding sleeve of second debooster.In other embodiments, the second debooster can also use it
His any reducible structure, the second measurement wheel can also use traditional idler wheel, and the second measurement wheel is only needed to be located in groove 51
And it rolls and cooperates in groove 51.
It should be pointed out that can then calculate the practical rail of errant using the sum of the displacement of the measurement wheel of both ends setting
Away from.
Referring to Fig. 6, the bracket 32 is for putting specifically, the upper end of the push rod 3 is equipped with handle 31 and bracket 32
Computer system 4 is set, which can be computer, and setting for data can be acquired, stores and handle by being also possible to other
Standby, the lower end of the push rod 3 is flexibly connected by connection component 33 with the crossbeam 1.
Fig. 7 and Fig. 8 are please referred to, further, the connection component 33 includes rod set 331, position-arresting disk 332 and pedestal
333, the position-arresting disk 332 is arranged on the pedestal 333, and the position-arresting disk 332 is semicircular disk-like structure, and edge is set
There are several limiting slots 3321, the rod set 331 is connect with the push rod 3, and the rod set 331 passes through shaft 335 and the limit
Disk 332 is rotatablely connected, and limited block 336 is equipped with inside the rod set 331, and the limited block 336 is clamped with the limiting slot 3321
Cooperation, the limited block 336 are equipped with adjusting rod 3361, and the rod set 331, which is located to be equipped at the adjusting rod 3361, laterally passes through
The sliding slot 3312 worn, the adjusting rod 3361 are slidably matched with the sliding slot 3312, and the adjusting rod 3361 is described for adjusting
The height of limited block 336.
Furthermore it is also possible to be located near limited block 336 in rod set 331, bolt 3311 is set, when precession bolt 3311,
The position of limited block 336 can be positioned.
It should be noted that since rod set 331 and position-arresting disk 332 are rotation connection, 3321 energy of limited block 336 and limiting slot
Relative position between fixed rod set 331 and position-arresting disk 332, enables push rod 3 to rotate in the longitudinal direction, and be capable of fixing at certain angle
Degree.
Referring to Fig. 9, in addition, the pedestal 333 is equipped with rotating disc 337, the rotating disc 337 and the pedestal 333
Rotation connection, the rotating disc 337 are equipped with connecting column 3372, and the connecting column 3372 is arranged through the pedestal 333, described
Rod set 331 is rotatablely connected by the shaft 335 with the connecting column 3372, and the edge of the rotating disc 337 is uniformly provided with card
Slot 3371, the side of the pedestal 333 are transversely provided with through-hole, bolt 334 are equipped in the through-hole, the bolt 334 is for inserting
Enter in the card slot 3371.
It should be noted that rod set 331 can be between rotating disc 337 when bolt 334 is inserted into card slot 3371
Position is to fix, and when extracting bolt 334, rod set 331 can be rotated around rotating disc 337, then push rod 3 can be around rotation
Disk 337 carries out lateral rotation.
By above structure, push rod 3 can be adjusted to any position of the top of the grooved rail railway monitoring instrument, it can
Suitable for a variety of situations.
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 (10)
1. a kind of grooved rail track detector, for measuring the geometric parameter of grooved rail, the grooved rail is equipped with groove, and feature exists
In, the grooved rail track detector include crossbeam, side arm and push rod, one end of the crossbeam with and the side arm in the middle part of connect
It connects, forms T-shaped structure, the other end of the crossbeam is equipped with the first measurement component, and the middle part of the side arm is equipped with the second measurement
Component, the first measurement component and the second measurement component are used to measure the gauge of the grooved rail simultaneously, when the grooved rail
When track detector executes measurement, the first measurement component and the second measurement component cooperate with groove movement,
The middle part of the crossbeam is arranged in the push rod.
2. grooved rail track detector according to claim 1, which is characterized in that the first measurement component includes first time
Force mechanisms, the first traveling wheel and first measurement wheel, first debooster be equipped with the first displacement sensor, described first time
Force mechanisms connect the first traveling wheel, and the first measurement wheel is connect with first traveling wheel, and first measurement is taken turns most lower
Hold first traveling wheel low, when the grooved rail track detector, which executes, to be measured, first traveling wheel and the grooved rail
Upper surface roll cooperation, the first measurement wheel, which is located in the groove and rolls with the trench wall, to be cooperated, described the
One displacement sensor is used to measure the displacement of the first measurement wheel.
3. grooved rail track detector according to claim 2, which is characterized in that the crossbeam is hollow structure, described the
One debooster includes guide rod, sliding sleeve, baffle and spring, and for the baffle plate setting inside the crossbeam, the guide rod is parallel
It is connect in the crossbeam with the baffle, the sliding sleeve is set on the guide rod, and the spring is arranged in the sliding sleeve
Between the baffle, the lower surface of the crossbeam is equipped with sliding slot, the sliding sleeve by connecting plate through the sliding slot with
The first traveling wheel connection, the connecting plate are slidably matched with the sliding slot.
4. grooved rail track detector according to claim 2, which is characterized in that the traveling wheel is equipped with wheel fork, described
Wheel fork is connect with first debooster, and the first measurement wheel includes shell and idler wheel, and the first measurement wheel passes through institute
It states shell to connect with the wheel fork, the idler wheel is rotatably assorted with the shell.
5. grooved rail track detector according to claim 4, which is characterized in that the shell is hollow structure, the rolling
Wheel connection rotating bar, the rotating bar protrude into the interior of shell and are rotatably assorted with the inner wall of the shell.
6. grooved rail track detector according to claim 5, which is characterized in that set between the shell and the rotating bar
There is bearing.
7. grooved rail track detector according to claim 3, which is characterized in that the both ends of the side arm are equipped with the second row
Wheel is walked, one of them described second traveling wheel is equipped with odometer sensor, and the second measurement component includes the second debooster
With the second measurement wheel, second debooster and the second measurement wheel connection, the second measurement wheel and the ditch trough roller
Dynamic cooperation, second debooster are equipped with the second displacement sensor for measuring the second measurement wheel displacement.
8. grooved rail track detector according to claim 1, which is characterized in that the upper end of the push rod is equipped with handle and branch
Frame, the bracket are flexibly connected by connection component with the crossbeam for placing computer system, the lower end of the push rod.
9. grooved rail track detector according to claim 8, which is characterized in that the connection component includes rod set, limit
Disk and pedestal, on the base, the position-arresting disk is semicircular disk-like structure for the position-arresting disk setting, if edge is equipped with
Dry limiting slot, the rod set are connect with the push rod, and the rod set is rotatablely connected by shaft and the position-arresting disk, the rod set
Inside is equipped with limited block, and the limited block and the limiting slot are engaged by clamping, and the limited block is equipped with adjusting rod, the rod set
The sliding slot extended transversely through is equipped at the adjusting rod, the adjusting rod is slidably matched with the sliding slot, and the adjusting rod is used
In the height for adjusting the limited block.
10. grooved rail track detector according to claim 9, which is characterized in that the pedestal is equipped with rotating disc, described
Rotating disc is connect with the base rotation, and the rotating disc is equipped with connecting column, and the connecting column is arranged through the pedestal, institute
It states rod set to be rotatablely connected by the shaft and the connecting column, the edge of the rotating disc is uniformly provided with card slot, the pedestal
Side be transversely provided with through-hole, bolt is equipped in the through-hole, the bolt is for being inserted into the card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822193446.7U CN209700694U (en) | 2018-12-25 | 2018-12-25 | Grooved rail track detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822193446.7U CN209700694U (en) | 2018-12-25 | 2018-12-25 | Grooved rail track detector |
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| Publication Number | Publication Date |
|---|---|
| CN209700694U true CN209700694U (en) | 2019-11-29 |
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ID=68637111
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484428A (en) * | 2018-12-25 | 2019-03-19 | 江西日月明测控科技股份有限公司 | Grooved rail track detector |
| CN111609892A (en) * | 2020-07-01 | 2020-09-01 | 东山县极点工业设计有限公司 | Improved precision evaluation equipment for grooved industrial products |
-
2018
- 2018-12-25 CN CN201822193446.7U patent/CN209700694U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484428A (en) * | 2018-12-25 | 2019-03-19 | 江西日月明测控科技股份有限公司 | Grooved rail track detector |
| CN111609892A (en) * | 2020-07-01 | 2020-09-01 | 东山县极点工业设计有限公司 | Improved precision evaluation equipment for grooved industrial products |
| CN111609892B (en) * | 2020-07-01 | 2021-10-29 | 苏州市东挺河智能科技发展有限公司 | Improved precision evaluation equipment for grooved industrial products |
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