CN112229359A - Railway track detector gauge self-calibration device - Google Patents
Railway track detector gauge self-calibration device Download PDFInfo
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- CN112229359A CN112229359A CN202011050799.7A CN202011050799A CN112229359A CN 112229359 A CN112229359 A CN 112229359A CN 202011050799 A CN202011050799 A CN 202011050799A CN 112229359 A CN112229359 A CN 112229359A
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- clamping block
- block
- fixedly connected
- right clamping
- calibration device
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- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/042—Calibration or calibration artifacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a track gauge self-calibration device of a railway track detector, which comprises a distance meter, wherein the bottom of the distance meter is fixedly connected with a hexagonal connection block through a plurality of screws, a left clamping block is arranged right below the distance meter, the left clamping block is connected with a right clamping block through a moving mechanism, and the side wall of one side, close to the right clamping block, of the left clamping block is provided with a matching groove matched with the shape of a rail. According to the invention, the horizontal columns are mutually close to each other under the combined action of the motor, the rotary gear, the rotary sleeve and the threaded column, so that the clamping block clamps the track, the clamping block is in a horizontal state relative to the track, the distance between the tracks can be ensured by data measured by the measuring scale positioned on the clamping block, and the distance meter and the fixing plate are respectively arranged on the left clamping block and the right clamping block, so that the starting point of the distance meter for measuring is the same as that of the measuring scale, and the more reliable detection of the distance meter is ensured.
Description
Technical Field
The invention relates to the technical field of rail distance measuring instruments, in particular to a rail gauge self-calibration device of a railway track detector.
Background
In the railway track construction and maintenance work, a track detector is usually adopted to perform precise measurement on the internal and external geometric states of a track so as to obtain the full geometric parameters of the track, and the adjustment of the track position is guided according to the full geometric parameters. The track gauge is one of important parameters of the geometric state of the track, the track gauge measurement accuracy has direct influence on the ballastless track railway construction and maintenance, and in order to ensure the authenticity and reliability of the track gauge measured by the track detector, the track detector usually checks the track gauge measured by the track detector before measuring on the upper track, and whether the measured data is inaccurate due to the damage of the track gauge sensor caused by long-term use or transportation is judged. When checking the track gauge, the common method is to firstly measure a track gauge by a track gauge, then measure a track gauge by a track detector for comparison, and if the track gauge is out of limit, the track gauge measured by the track gauge is adopted for correction.
The existing measuring tool measures through a measuring scale and compares the measuring tool with the measuring instrument, but when the measuring tool measures through the measuring scale, the measuring precision is low, workers determine two measuring points as the vertical distance of the track through experience, and errors exist at the moment, so that the reference of the data of the detecting instrument is influenced.
Disclosure of Invention
The invention aims to solve the defects that the existing measurement precision is low, and workers determine two measurement points as the vertical distance of a track by experience, so that errors exist at the moment and the reference of data of a detection instrument is influenced, and provides a track gauge self-calibration device of a railway track detector.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a railway track detector gauge length is from calibration device, includes the distancer, the bottom of distancer links up the piece through a plurality of screw fixedly connected with hexagon, be provided with left grip block under the distancer, left side grip block is connected with right grip block through moving mechanism, the cooperation groove with rail shape looks adaptation is all seted up to one side lateral wall that left grip block and right grip block are close to each other, one side lateral wall fixedly connected with that left grip block was kept away from to right grip block is the fixed plate of vertical setting, two of one side lateral wall fixedly connected with mount pads of right grip block, two are kept away from to the fixed plate the inside of mount pad is all rotated and is connected with the removal wheel, the top that one side lateral wall that the fixed plate is close to right grip block just is located right grip block is provided with measuring mechanism.
As a preferred technical scheme, the moving mechanism comprises a control block, a motor, a rotating gear, a fixing block, a horizontal column, a rotating sleeve, a threaded column, a toothed ring, a transmission cavity and a threaded groove, the transmission cavity is formed in the control block, the motor is fixedly connected to the outer wall of one side, close to the right clamping block, of the control block, and the output end of the motor penetrates through the side wall of the control block to extend into the transmission cavity and is fixedly connected with the rotating gear.
According to a preferable technical scheme, the front end and the rear end of the upper surfaces of the left clamping block and the right clamping block are fixedly connected with fixed blocks through a plurality of bolts, the side wall of one side, close to the control block, of each fixed block is fixedly connected with a horizontal column, the two sides, located inside the transmission cavity and located on the rotary gear, of each fixed block are rotatably connected with rotary sleeves, threaded grooves are formed in the two ends of each rotary sleeve, the thread directions of the two threaded grooves in the same rotary sleeve are opposite, the end, far away from the fixed blocks, of each horizontal column is fixedly connected with threaded columns, one ends, far away from the horizontal columns, of the four threaded columns are respectively in threaded connection with the four threaded grooves, and toothed rings in meshed connection with the rotary gears are fixedly sleeved on the outer sides of the two rotary sleeves.
As a preferable technical scheme of the present invention, the top of the left clamping block is fixedly connected with an installation block, the top of the installation block is provided with a joining groove adapted to the hexagonal joining block, and the hexagonal joining block is embedded in the joining groove.
As a preferable technical scheme of the invention, the measuring mechanism comprises a measuring scale and a sliding opening, the fixed plate is close to the side wall of one side of the right clamping block and is fixedly connected with the measuring scale which is horizontally arranged above the right clamping block, the sliding opening is arranged on the mounting block in a penetrating way at a position corresponding to the measuring scale, and the measuring scale is connected with the sliding opening in a sliding way.
As a preferred technical scheme, the front end and the rear end of the bottom of the left clamping block are fixedly connected with supporting seats, and auxiliary wheels are rotatably connected inside the supporting seats.
As a preferable technical scheme of the invention, the rotating sleeve is rotationally connected with the inner wall of the transmission cavity through a bearing.
As a preferred technical solution of the present invention, the distance meter is an infrared distance meter.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the horizontal columns are mutually close to each other under the combined action of the motor, the rotary gear, the rotary sleeve and the threaded column, so that the clamping block clamps the track, the clamping block is in a horizontal state relative to the track, the distance between the tracks can be ensured by data measured by the measuring scale positioned on the clamping block, and the distance meter and the fixing plate are respectively arranged on the left clamping block and the right clamping block, so that the starting point of the distance meter for measuring is the same as that of the measuring scale, and the more reliable detection of the distance meter is ensured.
Drawings
FIG. 1 is a schematic front view of a gauge self-calibration device of a railway track detector according to the present invention;
FIG. 2 is a schematic structural view of a cross-sectional top view of a gauge self-calibration apparatus of a railway track detector according to the present invention;
fig. 3 is a schematic top view of a gauge self-calibration device of a railway track detector according to the present invention.
In the figure: the device comprises a distance measuring instrument 1, a hexagonal joining block 2, a left clamping block 3, a right clamping block 4, a fixing plate 5, a control block 6, a motor 7, a rotating gear 8, a fixing block 9, a horizontal column 10, a rotating sleeve 11, a threaded column 12, a toothed ring 13, an installing block 14, a measuring scale 15, a supporting seat 16, an installing seat 17, a moving wheel 18, a threaded groove 19, a joining groove 20, a sliding opening 21, an auxiliary wheel 22 and a matching groove 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a self-calibration device for the track gauge of a railway track detector comprises a distance meter 1, wherein the distance meter 1 is an infrared distance meter, which is not described herein, the bottom of the distance meter 1 is fixedly connected with a hexagonal connecting block 2 through a plurality of screws, the hexagonal connecting block 2 is connected with the hexagonal connecting block 2 through screws to realize detachable connection, a left clamping block 3 is arranged under the distance meter 1, the left clamping block 3 is connected with a right clamping block 4 through a moving mechanism, matching grooves 23 matched with the shape of a railway are respectively arranged on the side walls of the left clamping block 3 and the right clamping block 4, which are close to each other, further, the moving mechanism comprises a control block 6, a motor 7, a rotating gear 8, a fixed block 9, a horizontal column 10, a rotating sleeve 11, a threaded column 12, a toothed ring 13, a transmission cavity 18 and a threaded groove 19, the transmission cavity 18 is arranged inside the control block 6, the outer wall of one side, close to the right clamping block 4, of the control block 6 is fixedly connected with a motor 7, the motor 7 is the prior art, details are not described herein, a storage battery and the motor 7 can be used for supplying power, the output end of the motor 7 penetrates through the side wall of the control block 6 and extends to the inside of the transmission cavity 18, and a rotating gear 8 is fixedly connected with the output end of the motor 7;
furthermore, the front end and the rear end of the upper surfaces of the left clamping block 3 and the right clamping block 4 are fixedly connected with a fixed block 9 through a plurality of bolts, the side wall of one side of the fixed block 9 close to the control block 6 is fixedly connected with a horizontal column 10, the two sides of the inner part of the transmission cavity 18 and the two sides of the rotary gear 8 are rotatably connected with a rotary sleeve 11, the rotary sleeve 11 is rotatably connected with the inner wall of the transmission cavity through a bearing, the two ends of the rotary sleeve 11 are respectively provided with a thread groove 19, the thread directions of the two thread grooves 19 on the same rotary sleeve 11 are opposite, the end of the horizontal column 10 far away from the fixed block 9 is respectively fixedly connected with a thread column 12, one ends of the four thread columns 12 far away from the horizontal column 10 are respectively in threaded connection with the four thread grooves 19, the outer sides of the two rotary sleeves 11 are respectively and fixedly sleeved with a toothed ring 13 engaged and connected with the rotary, the top of the mounting block 14 is provided with a connecting groove 20 matched with the hexagonal connecting block 2, and the hexagonal connecting block 2 is embedded in the connecting groove 20;
one side lateral wall fixedly connected with that left grip block 3 was kept away from to right grip block 4 is fixed plate 5 of vertical setting, two mount pads 17 of one side lateral wall fixedly connected with that right grip block 4 was kept away from to fixed plate 5, the inside of two mount pads 17 is all rotated and is connected with and removes wheel 18, fixed plate 5 is close to one side lateral wall of right grip block 4 and is located the top of right grip block 4 and be provided with measuring mechanism, furthermore, measuring mechanism includes dipperstick 15 and sliding opening 21, fixed plate 5 is close to one side lateral wall of right grip block 4 and is located the dipperstick 15 that the top fixedly connected with of right grip block 4 was the level setting, the position that corresponds dipperstick 15 on the installation piece 14 runs through and has seted up sliding opening 21, dipperstick 15 and sliding opening 21 sliding connection, the equal fixedly connected with 16 in both ends around the 3 bottoms of left grip block, 16 inside all rotates and is connected.
In the invention, when measurement is carried out, the distance measuring instrument 1 is assembled with the connecting groove 20 on the mounting block 14 through the hexagonal connecting block 2, so that the distance measuring instrument 1 is mounted on measuring equipment for simultaneous measurement; the left clamping block 3 and the right clamping block 4 are respectively arranged at the outer sides of the two tracks, the motor 7 is controlled to be started, so that the rotating gear 8 connected with the output end of the motor 7 rotates, when the rotating gear 8 rotates, the toothed ring 13 meshed and connected with the two sides of the rotating gear 8 drives the rotating sleeve 11 to rotate, when the rotating sleeve 11 rotates, the two threaded columns 12 in threaded connection with the two ends of the rotating sleeve 11 move, so that the threaded columns 12 drive the horizontal columns 10 to move towards the direction close to the control block 6, so that the left clamping block 3 and the right clamping block 4 connected through the fixing block 9 move towards the direction close to the control block 6, the left clamping block 3 and the right clamping block 4 are respectively blocked by the tracks at the two sides, at the moment, under the action of pulling force generated by the rotation of the motor 7, the clamping blocks can apply pressure to the tracks, so that the clamping blocks slide relative to the tracks, when the clamping blocks and the track cannot slide, the gap between the track and the clamping blocks is minimum, the clamping blocks and the track are in a horizontal state, namely the two clamping blocks are in a horizontal state, and the distance measured by the measuring ruler 15 is the shortest distance between the two tracks, namely the track gauge;
at this moment, open distancer 1 that sets up on installation piece 14, because distancer 1 sets up on left grip block 3, fixed plate 5 sets up on right grip block 4, the aforesaid has proved to be in the horizontality between the grip block, and distancer 1 measures the distance between fixed plate 5 this moment and can guarantee to be same initial point with dipperstick 15, and when distancer 1 was inequality with dipperstick 15 data this moment, distancer 1 produced the mistake when can considering, measures inaccurately.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The self-calibration device for the track gauge of the railway track detector comprises a distance meter (1) and is characterized in that the bottom of the distance meter (1) is fixedly connected with a hexagonal connection block (2) through a plurality of screws, a left clamping block (3) is arranged under the distance meter (1), the left clamping block (3) is connected with a right clamping block (4) through a moving mechanism, matching grooves (23) matched with the shape of a rail are formed in the side wall, close to each other, of the left clamping block (3) and the right clamping block (4), a fixing plate (5) which is vertically arranged is fixedly connected to the side wall, far away from the right clamping block (3), of the right clamping block (4), two installation seats (17) are fixedly connected to the side wall, far away from the right clamping block (4), of the two installation seats (17), moving wheels (18) are rotatably connected to the inner portions of the two installation seats (17), and a measuring mechanism is arranged on the side wall of one side of the fixing plate (5) close to the right clamping block (4) and above the right clamping block (4).
2. The rail gauge self-calibration device of the railway track detector as claimed in claim 1, wherein the moving mechanism comprises a control block (6), a motor (7), a rotating gear (8), a fixed block (9), a horizontal column (10), a rotating sleeve (11), a threaded column (12), a toothed ring (13), a transmission cavity (18) and a threaded groove (19), the transmission cavity (18) is formed in the control block (6), the motor (7) is fixedly connected to the outer wall of one side, close to the right clamping block (4), of the control block (6), and the output end of the motor (7) penetrates through the side wall of the control block (6) and extends to the inside of the transmission cavity (18) and is fixedly connected with the rotating gear (8).
3. The self-calibration device for the track gauge of the railway track detector according to claim 2, wherein the front and rear ends of the upper surfaces of the left clamping block (3) and the right clamping block (4) are fixedly connected with fixed blocks (9) through a plurality of bolts, the side wall of one side of each fixed block (9) close to the control block (6) is fixedly connected with a horizontal column (10), the two sides of the inside of the transmission cavity (18) and located on the rotating gear (8) are rotatably connected with rotating sleeves (11), the two ends of each rotating sleeve (11) are respectively provided with a thread groove (19), the thread directions of the two thread grooves (19) on the same rotating sleeve (11) are opposite, one end of each horizontal column (10) far away from the fixed block (9) is fixedly connected with a thread column (12), and one ends of the four thread columns (12) far away from the horizontal column (10) are respectively in threaded connection with the four thread grooves (19), and the outer sides of the two rotating sleeves (11) are fixedly sleeved with toothed rings (13) which are in meshed connection with the rotating gear (8).
4. The self-calibration device for the track gauge of the railway track detector according to claim 1, wherein a mounting block (14) is fixedly connected to the top of the left clamping block (3), a connecting groove (20) matched with the six-side connecting block (2) is formed in the top of the mounting block (14), and the six-side connecting block (2) is embedded in the connecting groove (20).
5. The self-calibration device for the track gauge of the railway track detector according to claim 4, wherein the measuring mechanism comprises a measuring ruler (15) and a sliding opening (21), the measuring ruler (15) is horizontally connected to the fixing plate (5) which is close to one side wall of the right clamping block (4) and is located above the right clamping block (4), the sliding opening (21) is formed in the position, corresponding to the measuring ruler (15), of the mounting block (14) in a penetrating mode, and the measuring ruler (15) is connected with the sliding opening (21) in a sliding mode.
6. The self-calibration device for the track gauge of the railway track detector according to claim 1, wherein the front end and the rear end of the bottom of the left clamping block (3) are fixedly connected with supporting seats (16), and auxiliary wheels (22) are rotatably connected inside the supporting seats (16).
7. The self-calibration device for the track gauge of the railway track detector as claimed in claim 3, wherein the rotary sleeve (11) is rotatably connected with the inner wall of the transmission cavity (18) through a bearing.
8. The self-calibration device for the track gauge of the railway track detector according to claim 1, wherein the distance measuring instrument (1) is an infrared distance measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011050799.7A CN112229359A (en) | 2020-09-29 | 2020-09-29 | Railway track detector gauge self-calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011050799.7A CN112229359A (en) | 2020-09-29 | 2020-09-29 | Railway track detector gauge self-calibration device |
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| Publication Number | Publication Date |
|---|---|
| CN112229359A true CN112229359A (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011050799.7A Pending CN112229359A (en) | 2020-09-29 | 2020-09-29 | Railway track detector gauge self-calibration device |
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| CN (1) | CN112229359A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558433A (en) * | 2023-05-23 | 2023-08-08 | 湖南比扬医疗科技有限公司 | Device and method for measuring top gap between extrusion plate and peristaltic sheet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004101215A (en) * | 2002-09-05 | 2004-04-02 | Kawasaki Heavy Ind Ltd | Orbit interval measuring method and orbit interval measuring device |
| CN202323594U (en) * | 2011-11-08 | 2012-07-11 | 中铁第一勘察设计院集团有限公司 | Gauge self-calibration device of railway track detector |
| CN202329599U (en) * | 2011-11-08 | 2012-07-11 | 中铁第一勘察设计院集团有限公司 | Track gauge measuring device of railway track detecting instrument |
| CN109373907A (en) * | 2018-09-20 | 2019-02-22 | 华东交通大学 | A rail wear detection device |
| CN109781019A (en) * | 2019-03-05 | 2019-05-21 | 安徽工业大学 | A gauge measuring device and measuring method |
| CN211281033U (en) * | 2019-12-03 | 2020-08-18 | 刘长瑞 | Railway gauge measurement and detection device |
-
2020
- 2020-09-29 CN CN202011050799.7A patent/CN112229359A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004101215A (en) * | 2002-09-05 | 2004-04-02 | Kawasaki Heavy Ind Ltd | Orbit interval measuring method and orbit interval measuring device |
| CN202323594U (en) * | 2011-11-08 | 2012-07-11 | 中铁第一勘察设计院集团有限公司 | Gauge self-calibration device of railway track detector |
| CN202329599U (en) * | 2011-11-08 | 2012-07-11 | 中铁第一勘察设计院集团有限公司 | Track gauge measuring device of railway track detecting instrument |
| CN109373907A (en) * | 2018-09-20 | 2019-02-22 | 华东交通大学 | A rail wear detection device |
| CN109781019A (en) * | 2019-03-05 | 2019-05-21 | 安徽工业大学 | A gauge measuring device and measuring method |
| CN211281033U (en) * | 2019-12-03 | 2020-08-18 | 刘长瑞 | Railway gauge measurement and detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558433A (en) * | 2023-05-23 | 2023-08-08 | 湖南比扬医疗科技有限公司 | Device and method for measuring top gap between extrusion plate and peristaltic sheet |
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Application publication date: 20210115 |
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