CN108639100A - Addendum cone and track circuit shunting tester - Google Patents
Addendum cone and track circuit shunting tester Download PDFInfo
- Publication number
- CN108639100A CN108639100A CN201810811562.2A CN201810811562A CN108639100A CN 108639100 A CN108639100 A CN 108639100A CN 201810811562 A CN201810811562 A CN 201810811562A CN 108639100 A CN108639100 A CN 108639100A
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- CN
- China
- Prior art keywords
- addendum cone
- cylinder
- head
- addendum
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or vehicle train, e.g. pedals
- B61L1/18—Railway track circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
Abstract
The present invention provides a kind of addendum cone and track circuit shunting testers, the addendum cone includes head, middle part and interconnecting piece, the free end on the head is equipped with multiple broken rust heads for rejecting web of the rail rusty scale in rail, and the multiple broken rust head is evenly distributed on the surrounding of the central shaft of the addendum cone；The periphery of the middle part has spiral rifling slot；Addendum cone in the present invention, when the addendum cone moves axially, drives the addendum cone along center axis rotation, and then ensure that shunted condition is good, branch resistance value is met the requirements of the standard by the spiral rifling slot under the fixing piece effect on the addendum cone mobile route.
Description
Technical field
The present invention relates to track circuit detection fields, are tested more specifically to a kind of addendum cone and track circuit shunting
Instrument.
Background technology
Track circuit shunting tester judges the quality of track circuit shunting by detecting shunt resistance.But rail
It is got rusty naturally by erosion by wind and rain under outdoor state, in-orbit face is generated into oxide layer；Train transports goods yard or cargo was loading and unloading
The dust generated in journey is scattered in rail level or is taken on rail level by rolling stock wheel, then through Train Wheel rolloff, also can be in rail level shape
It is the same with the oxide layer got rusty at insulating layer.
Aforementioned phenomenon can cause rail level impedance to increase, and influence the Data Detection of track circuit shunting.Currently, mainly by more people
Cooperation is detected again after removing the raceway surface rusty scale for influencing resistance test.This kind of detection mode labor intensive, efficiency are not
High, trouble of derusting, and the shunt resistance for being easy to cause test is not accurate enough, influences last test result.
Invention content
The technical problem to be solved in the present invention is, for above-mentioned rail rust removal generated by the way of derusting be not thorough,
The problems such as not in place and destructive derusting, provides a kind of addendum cone and track circuit shunting tester.
The technical solution that the present invention solves above-mentioned technical problem is to provide a kind of addendum cone, including head, middle part and company
Socket part, the free end on the head are equipped with multiple broken rust heads for rejecting web of the rail rusty scale in rail, and the multiple broken rust head
It is evenly distributed on the surrounding of the central shaft of the addendum cone；The periphery of the middle part has spiral rifling slot, and the spiral thorax
Wire casing drives the addendum cone along center when the addendum cone is moved axially under the fixing piece effect on the addendum cone mobile route
Axis rotates.
In addendum cone of the present invention, the head set there are four around the addendum cone central shaft the cutting conical surface, and
Four cutting conical surfaces collect in the free end on the head；There are four broken rust heads for the free ending tool on the head.
In addendum cone of the present invention, described four broken rust heads separate shape by " ten " word slot of the head free end
At, and the broken rust head and the cutting conical surface are equipped with coarse groove road close to the part of broken rust head.
In addendum cone of the present invention, the middle part includes the first cylinder and the second circle of stepped distribution connection
Column, first cylinder are engaged on the head, and second cylinder is engaged on the interconnecting piece；The spiral rifling
Slot is located at second cylinder；One end that second cylinder is connected with the interconnecting piece is equipped with and protrudes from outside second cylinder
The annular stop flange in week, and a part for the spiral rifling slot extends on the annular stop flange.
In addendum cone of the present invention, the interconnecting piece include third cylinder and be set to the third cylinder first end
And the circular orientation flange of the third cylindrical periphery is protruded from, and the circular orientation flange is engaged on the end of the middle part
On face；The annular stop flange is in step-like with circular orientation flange, and the diameter of the annular stop flange is more than described
The diameter of circular orientation flange.
In addendum cone of the present invention, two, four, six or eight are uniformly provided on the periphery of second cylinder
The spiral rifling slot, the second end of each spiral rifling slot linking to first cylinder and the spiral rifling slot
Kerve face and the periphery of first cylinder are on same curved surface.
In addendum cone of the present invention, the diameter of first cylinder is more than the diameter of the third cylinder, and described
The diameter of second cylinder is more than the diameter of the third cylinder；The diameter of the circular orientation flange of the third cylinder is less than described
The diameter of first cylinder.
In addendum cone of the present invention, first passage, the first passage position are equipped on the central shaft of the addendum cone
In on the central shaft of the third cylinder, and a part for the first passage extends on second cylinder.
In addendum cone of the present invention, there is second channel and third channel, and institute in the radial direction of the third cylinder
The central axis of the central axis and third channel of stating second channel is mutually parallel；The second channel is connected to first passage,
The third channel is connected to first passage.
In the present invention also provides a kind of track circuit shunting tester, including press rods, resistance box and two root longs
Bar, the two root longs bar nesting setting simultaneously adjust the depth of nesting by the press rods；The free end of each stock has
One spring, an inner sleeve, a spacing collar and any one of them addendum cone as above, and the resistance box is distinguished
It is conductively connected with two addendum cones；
In the free end of each stock, the spacing collar is fixedly connected with the stock, the inner sleeve, spring point
It is not installed in the spacing collar, and the shape of the inner circumferential of the spacing collar is matched with the shape of the periphery of the inner sleeve；
It is put on mounting hole and fixing piece corresponding with the spiral rifling slot on the addendum cone in described；Described in the addendum cone is inserted into
The head of mounting hole and the addendum cone is pierced by from the mounting hole, the fixing piece is embedded in the spiral rifling in the middle part of the addendum cone
Slot；One end of the spring is connected on the stock, the other end is installed to the interconnecting piece of the addendum cone.
The addendum cone and track circuit shunting tester of the present invention has the advantages that：Existed by the spiral rifling slot
When the addendum cone axial movement, the addendum cone is driven to be revolved along central shaft under the fixing piece effect on the addendum cone mobile route
Turn, and then ensure that shunted condition is good, branch resistance value is met the requirements of the standard.
Description of the drawings
Fig. 1 is the stereogram of addendum cone embodiment of the present invention；
Fig. 2 is the front view of addendum cone embodiment of the present invention；
Fig. 3 is the vertical view of addendum cone embodiment of the present invention；
Fig. 4 is the upward view of addendum cone embodiment of the present invention；
Fig. 5 is the side view of addendum cone embodiment of the present invention；
Fig. 6 is the side sectional view of addendum cone of the present invention in Fig. 5；
Fig. 7 is the sectional view of the sides A-A of addendum cone of the present invention in Fig. 5；
Fig. 8 is the schematic diagram of track circuit shunting tester embodiment of the present invention；
Fig. 9 is track circuit shunting tester partial enlarged view of the present invention.
Reference numeral includes：
The heads 1- 2- middle part 3- interconnecting pieces
11- cuts broken rust head the first cylinders of 31- of conical surface 12-
21- spiral rifling slot 22- the second cylinder 23- third cylinders
24- annular stop flange 32- first passage 33- second channels
34- third channel 13- coarse grooves road 35- circular orientation flanges
14- " ten " word slot
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figs 1-9, it is the schematic diagram of addendum cone and track branch testing instrument embodiment of the present invention, the addendum cone and track point
Road tester can be applied to rail circuit detection field.Addendum cone in the present embodiment includes head 1, middle part 2 and interconnecting piece
3, the free end on head 1 is equipped with multiple broken rust heads 12 for rejecting web of the rail rusty scale in rail, and multiple broken rust heads 12 uniformly divide
Surrounding of the cloth in the central shaft of addendum cone；The periphery of middle part 2 has spiral rifling slot 21, and spiral rifling slot 21 is in addendum cone axial direction
When mobile, driving addendum cone is along center axis rotation under the fixing piece effect on addendum cone mobile route.
The spiral rifling slot 21 of middle part 2 in the present embodiment enables addendum cone to do rotation fortune while moving in a straight line
It is dynamic, to destroy rusty scale and achieve the purpose that the recess that rusty scale or dirt are pushed to " ten " word slot 14 screws out therewith, and then really
The broken rust head 12 of guarantor's addendum cone contacts effectively and well with rail, so that it is guaranteed that the accuracy of test result.
Middle part 2 in above-described embodiment is mainly used for, when the external world is in 3 preset active forces of application of interconnecting piece, passing through
Middle part 2 controls entire addendum cone and keeps preset direction during the web of the rail in rail is goed deep into itself rotation, that is, avoids addendum cone from existing
Deviate during itself rotation and linear movement.
Preferably, head 1 sets that there are four the cutting conical surfaces 11 around addendum cone central shaft, and four cutting conical surfaces 11 converge
Collection is in the free end on head 1, and during production application, the cutting conical surface 11 on head 1 can be less than four or be more than
Four.Also, to reach expected ideal broken rust effect, there are four broken rust heads 12 for the free ending tool on head 1；It is answered in actual production
During, can two, three, (but the quantity setting of broken rust head 12 also will be examined preferentially for five or more broken rust heads 12
Consider convenient for the production and processing of broken rust head 12).
Four above-mentioned broken rust heads 12 are separated to form by " ten " the word slot 14 of 1 free end of head, and broken rust head 12 and cutting
The conical surface 11 is equipped with coarse groove road 13 close to the part of broken rust head 12.Coarse groove road 13 is formed by linear cutter；Coarse groove road 13 increases
Add the cutting conical surface 11 and the compressing and friction on the inside of the web of the rail, it is dry to make the rusty scale destroyed through broken rust head 12 further peel off
Only.Also, to generate different derusting effect, the angular range of the lateral surface and the cutting conical surface 11 that break rust head 12 can be 110 °-
180°。
When carrying out track circuit detection, the size and one of track circuit shunting test detection contact resistance is mainly utilized
Cause property.But rusty scale or pollutant are inevitably resulted from rail.Then, when carrying out track circuit detection, position is utilized
In the head 1 of the addendum cone at track circuit shunting tester both ends derust and injection in the web of the rail.In 1 injection of head
When the interior web of the rail, it is broken that rust head 12 destroys rusty scale or pollutant and gos deep into rusty scale or pollutant under the effect of external force first, through broken
Rusty scale or pollutant after bad assist screwing out by " ten " word slot 14；Meanwhile rusty scale or pollution after coarse groove road 13 is to destruction
The a degree of polishing in object surface so that the size and consistency for the contact resistance tested are better.
Further, middle part 2 includes the first cylinder 31 and the second cylinder 22 of stepped distribution connection, the first cylinder
31 are engaged on head 1, and the second cylinder 22 is engaged on interconnecting piece 3；Spiral rifling slot 21 is located at the second cylinder 22.Also,
It is detached from middle part 2 during to avoid interior the second cylinder 22 for being sleeved on middle part 2 and third cylinder 23 that relative displacement occurs, it can
In one end that the second cylinder 22 is connected with interconnecting piece 3, setting protrudes from the annular stop flange 24 of 22 periphery of the second cylinder, and spiral shell
A part for rotation rifling slot 21 extends on annular stop flange 24.
Addendum cone is forced in for ease of spring, and the interconnecting piece 3 of addendum cone includes third cylinder 23 and set on third cylinder 23 the
One end and the circular orientation flange 35 for protruding from 23 periphery of third cylinder, and circular orientation flange 35 is engaged on the end of middle part 2
On face；Annular stop flange 24 is in step-like with circular orientation flange 35, and the diameter of annular stop flange 24 is more than annular and determines
The diameter of position flange 35.
Certainly, in actual application, according to the complicated journey of the size of addendum cone, the relevant parameter of rail and rusty scale
It spends, two, four, six or eight spiral rifling slots 21, each spiral rifling can be uniformly provided on the periphery of the second cylinder 22
Slot 21 be connected to the first cylinder 31 second end and the kerve face of spiral rifling slot 21 and the periphery of the first cylinder 31 in same song
On face.
The diameter of the first cylinder 31 of addendum cone is more than the diameter of third cylinder 23, and the second cylinder 22 in above-described embodiment
Diameter is more than the diameter of third cylinder 23；The diameter of the circular orientation flange 35 of third cylinder 23 is less than the straight of the first cylinder 31
Diameter.
Particularly, first passage 32 is equipped on the central shaft of addendum cone, first passage 32 is located at the center of third cylinder 23
On axis, and a part for first passage 32 extends on the second cylinder 22.By above-mentioned first passage 32, can by addendum cone with it is automatically controlled
Component connects (such as conducting wire is inserted into first passage 32), which may include resistance box or controller etc..
Also, there is second channel 33 and third channel 34, and the center of second channel 33 in the radial direction of third cylinder 23
The central axis of axis and third channel 34 is mutually parallel；Second channel 33 is connected to first passage 32, third channel 34 and
One channel 32 is connected to.By being screwed to 34 screw of second channel 33 and third channel, it is automatically controlled that connection in first passage 32 can be fixed
The conducting wire of component.
The present invention also provides a kind of track circuit shunting tester, including press rods, resistance box and two root long bars, two
Root long bar nesting is arranged and adjusts the depth of nesting by press rods；The free ending tool of each stock there are one spring, an inner sleeve,
One spacing collar and an addendum cone as above, and resistance box is conductively connected with two addendum cones respectively；
In the free end of each stock, spacing collar is fixedly connected with stock, and inner sleeve, spring are installed in spacing collar respectively
It is interior, and the shape of the inner circumferential of spacing collar is matched with the shape of the periphery of inner sleeve；Inside put on mounting hole and on addendum cone
21 corresponding fixing piece of spiral rifling slot；Addendum cone is inserted into mounting hole and the head 1 of addendum cone is pierced by from mounting hole, fixing piece is embedded in
Spiral rifling slot 21 in the middle part of addendum cone；One end of spring is connected on stock, the other end is installed to the interconnecting piece 3 of addendum cone.This reality
The track circuit shunting tester applied in example ensures that shunted condition is good, and branch resistance value is met the requirements of the standard.
Specifically, the inner sleeve of above-described embodiment middle orbit circuit shunt tester is socketed in the second of the middle part 2 of addendum cone
On cylinder 22, and inner sleeve is connected to the first side of the annular stop flange 24 of the middle part 2 of addendum cone；Inside it is sleeved on move opposite with addendum cone
When dynamic, fixing piece slides in spiral rifling slot 21 makes addendum cone itself rotate；One end of spring is resisted against the interconnecting piece 3 of addendum cone
In the second side of annular stop flange 24, third cylinder 23 is in spring inner, and circular orientation flange 35 is socketed in spring；
The default elastic acting force for making spring apply by the effect of press rods and stock acts on the annular limit of the interconnecting piece 3 of addendum cone
Position 24 the second side of flange, and being rotated at itself for addendum cone is made to go deep into rail keeping preset direction on the mobile route of web of the rail layer.
Track circuit shunting tester in previous embodiment does not need two people to be held test pencil and divides in both sides respectively
Test can be completed in road detection resistance resistance value, one man operation；And the track circuit shunting tester need not artificially remove rail
Waist rusty scale can keep good with rail and contact, and the testing efficiency is high, the size of contact resistance and consistency are fairly good and one
Cause property error is no more than 2m Ω, experiments verify that contact resistance is in 3m Ω under 1500 different conditions, so that it is guaranteed that branch is electric
The accuracy of parameter detecting.
Using in the present invention addendum cone and track circuit shunting tester test when, directly acted on by operating personnel
Active force in press rods, so make spring be applied to addendum cone interconnecting piece 3 35 the second side of circular orientation flange it is default
Elastic acting force promotes addendum cone web of the rail into rail to move；When addendum cone and web of the rail medial surface contact, the spring of instrument internal
End is resisted against on the circular orientation flange 35 of interconnecting piece 3, i.e., withstands addendum cone, makes the broken rust head 12 and web of the rail medial surface of addendum cone
Between have enough pressure；Operating personnel continue to active force, and the active force between the interconnecting piece 3 and spring of addendum cone may produce
On the one hand the power of raw non-horizontal directions, the power make the spiral rifling slot 21 of the middle part 2 of addendum cone promote itself to make with inner sleeve cooperation
Rotary motion；The broken rust head 12 of another aspect addendum cone is pressed into interior web of the rail Surface Rust gradually makes rusty scale start breakaway；Pass through " ten "
Word slot 14 and coarse groove road 13 drive the further breakaway of rusty scale and rotate with, and de- by the rusty scale of the guiding rupture of " ten " word slot 14
It falls, the rusty scale of rupture is avoided to remain on broken rust head 12 and the web of the rail medial surface of addendum cone.So far, rusty scale is just removed efficiently,
The connection that ensure that track branch testing instrument makes shunt resistance be in a metastable index, to ensure that track point
The accuracy of road tester.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (10)
1. a kind of addendum cone, it is characterised in that：Including head, middle part and interconnecting piece, the free end on the head, which is equipped with, to be used for
Multiple broken rust heads of web of the rail rusty scale in rail are rejected, and the multiple broken rust head is evenly distributed on the four of the central shaft of the addendum cone
Week；The periphery of the middle part has spiral rifling slot, and the spiral rifling slot is when the addendum cone moves axially, described
The fixing piece effect lower driving addendum cone on addendum cone mobile route is along center axis rotation.
2. addendum cone according to claim 1, it is characterised in that：The head surround the addendum cone central shaft there are four setting
The conical surface is cut, and four cutting conical surfaces collect in the free end on the head；There are four broken for the free ending tool on the head
Become rusty head.
3. addendum cone according to claim 2, it is characterised in that：Described four are broken " ten " of the rust heads by the head free end
Word slot is separated to form, and the broken rust head and the cutting conical surface are equipped with coarse groove road close to the part of broken rust head.
4. addendum cone according to claim 1, it is characterised in that：The middle part includes the first of stepped distribution connection
Cylinder and the second cylinder, first cylinder are engaged on the head, and second cylinder is engaged on the interconnecting piece；
The spiral rifling slot is located at second cylinder；One end that second cylinder is connected with the interconnecting piece is equipped with and protrudes from institute
The annular stop flange of the second cylindrical periphery is stated, and a part for the spiral rifling slot extends to the annular stop flange
On.
5. addendum cone according to claim 4, it is characterised in that：The interconnecting piece includes third cylinder and set on described the
Three cylinder first ends and the circular orientation flange for protruding from the third cylindrical periphery, and the circular orientation flange is engaged on institute
It states on the end face of middle part；The annular stop flange and circular orientation flange are in step-like, and the annular stop flange
Diameter is more than the diameter of the circular orientation flange.
6. addendum cone according to claim 4, it is characterised in that：Be uniformly provided on the periphery of second cylinder two, four
A, six or eight spiral rifling slots, second end and institute of each spiral rifling slot linking to first cylinder
The kerve face of spiral rifling slot and the periphery of first cylinder are stated on same curved surface.
7. addendum cone according to claim 5, it is characterised in that：The diameter of first cylinder is more than the third cylinder
Diameter, and the diameter of second cylinder is more than the diameter of the third cylinder；The circular orientation flange of the third cylinder
Diameter is less than the diameter of first cylinder.
8. addendum cone according to claim 5, it is characterised in that：First passage, institute are equipped on the central shaft of the addendum cone
It states first passage to be located on the central shaft of the third cylinder, and a part for the first passage extends to second cylinder
On.
9. addendum cone according to claim 8, it is characterised in that：There is second channel and the in the radial direction of the third cylinder
Triple channel, and the central axis of the second channel and the central axis of third channel are mutually parallel；The second channel and
One channel is connected to, and the third channel is connected to first passage.
10. a kind of track circuit shunting tester, including press rods, resistance box and two root long bars, the two root longs bar is nested
It is arranged and adjusts the depth of nesting by the press rods；It is characterized in that：The free ending tool of each stock there are one spring,
One inner sleeve, a spacing collar and an addendum cone as claimed in any one of claims 1-9 wherein, and the resistance box point
It is not conductively connected with two addendum cones；
In the free end of each stock, the spacing collar is fixedly connected with the stock, and the inner sleeve, spring fill respectively
In the spacing collar, and the shape of the inner circumferential of the spacing collar is matched with the shape of the periphery of the inner sleeve；It is described
It inside puts on mounting hole and fixing piece corresponding with the spiral rifling slot on the addendum cone；The addendum cone is inserted into the installation
Hole and the head of the addendum cone are pierced by from the mounting hole, the fixing piece is embedded in the spiral rifling slot in the middle part of the addendum cone；Institute
The one end for stating spring is connected on the stock, the other end is installed to the interconnecting piece of the addendum cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810811562.2A CN108639100A (en) | 2018-07-23 | 2018-07-23 | Addendum cone and track circuit shunting tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810811562.2A CN108639100A (en) | 2018-07-23 | 2018-07-23 | Addendum cone and track circuit shunting tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108639100A true CN108639100A (en) | 2018-10-12 |
Family
ID=63760022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810811562.2A Pending CN108639100A (en) | 2018-07-23 | 2018-07-23 | Addendum cone and track circuit shunting tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639100A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065123U (en) * | 1990-04-04 | 1990-11-07 | 郭静峰 | Rapid screwdriver |
| JPH10151604A (en) * | 1996-11-25 | 1998-06-09 | Kanefusa Corp | Woodworking boring drill |
| JP2000108043A (en) * | 1998-09-29 | 2000-04-18 | Katsuyuki Totsu | Combination of driver bit and screw |
| CN2521386Y (en) * | 2001-10-23 | 2002-11-20 | 贾广生 | Scraper for cleaning borehole or well |
| GB0806588D0 (en) * | 2007-05-24 | 2008-05-14 | Po-Chen Chen | Tool head structure |
| CN101941010A (en) * | 2010-06-07 | 2011-01-12 | 中国神华能源股份有限公司 | Descaling tool, descaling device and descaling method for pipe |
| US20120090896A1 (en) * | 2010-10-13 | 2012-04-19 | Danuser Llc | Auger for digging holes |
| CN205890904U (en) * | 2016-08-23 | 2017-01-18 | 南京鑫垒智能科技有限公司 | Track circuit branching unit |
| CN206397441U (en) * | 2017-01-19 | 2017-08-11 | 宁波麦克潘特电动工具有限公司 | High-speed cutting rolls drill bit |
| CN208646871U (en) * | 2018-07-23 | 2019-03-26 | 深圳圣斯尔电子技术有限公司 | Addendum cone and track circuit shunting tester |
-
2018
- 2018-07-23 CN CN201810811562.2A patent/CN108639100A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065123U (en) * | 1990-04-04 | 1990-11-07 | 郭静峰 | Rapid screwdriver |
| JPH10151604A (en) * | 1996-11-25 | 1998-06-09 | Kanefusa Corp | Woodworking boring drill |
| JP2000108043A (en) * | 1998-09-29 | 2000-04-18 | Katsuyuki Totsu | Combination of driver bit and screw |
| CN2521386Y (en) * | 2001-10-23 | 2002-11-20 | 贾广生 | Scraper for cleaning borehole or well |
| GB0806588D0 (en) * | 2007-05-24 | 2008-05-14 | Po-Chen Chen | Tool head structure |
| CN101941010A (en) * | 2010-06-07 | 2011-01-12 | 中国神华能源股份有限公司 | Descaling tool, descaling device and descaling method for pipe |
| US20120090896A1 (en) * | 2010-10-13 | 2012-04-19 | Danuser Llc | Auger for digging holes |
| CN205890904U (en) * | 2016-08-23 | 2017-01-18 | 南京鑫垒智能科技有限公司 | Track circuit branching unit |
| CN206397441U (en) * | 2017-01-19 | 2017-08-11 | 宁波麦克潘特电动工具有限公司 | High-speed cutting rolls drill bit |
| CN208646871U (en) * | 2018-07-23 | 2019-03-26 | 深圳圣斯尔电子技术有限公司 | Addendum cone and track circuit shunting tester |
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