CN113043324A - Lifting track seam adjusting device - Google Patents
Lifting track seam adjusting device Download PDFInfo
- Publication number
- CN113043324A CN113043324A CN201911371712.3A CN201911371712A CN113043324A CN 113043324 A CN113043324 A CN 113043324A CN 201911371712 A CN201911371712 A CN 201911371712A CN 113043324 A CN113043324 A CN 113043324A
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- Prior art keywords
- fixed
- chute
- pair
- rail
- adjusting device
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- 230000008602 contraction Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/005—Manipulators mounted on wheels or on carriages mounted on endless tracks or belts
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Escalators And Moving Walkways (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention provides a lifting track joint adjusting device which comprises a first movable track end, a second movable track end, a first fixed track, a second fixed track, a first connecting piece and a second connecting piece, wherein the first connecting piece is connected with the first movable track end and the first fixed track, the second connecting piece is connected with the second movable track end and the second fixed track, the first movable track end and the second movable track end respectively comprise a first forked tooth part and a second forked tooth part which extend towards each other, the first forked tooth part and the second forked tooth part are matched with each other to meet the requirements of expansion caused by heat and contraction caused by cold of the adjusting device, and a pair of side surfaces of the first forked tooth part and the second forked tooth part are flush with each other to form continuous contact planes on two side surfaces of the adjusting device. Adopt this kind of adjusting device, through extrusion cavity gap absorption bulging force when the track is heated the inflation, keep integrality when the track contracts when meeting cold, it is steady and can not cause wearing and tearing to equipment when operation equipment passes through, the security is high, the easy operation.
Description
Technical Field
The invention relates to the field of machinery, in particular to a lifting track joint adjusting device.
Background
At present, the seam of the hoisting type track is adjusted by reserving a seam with a certain size during installation so as to absorb the force generated by linear expansion of the track when the temperature rises. The reserved size of the joint has high requirements on the installation technology, the track safety and the operation safety are affected by too large and too small gaps, and the adaptability to the environment temperature is poor; while the seams can also cause wear to the equipment tires running on their surfaces. Therefore, the technical requirements of rail joint installation on installation technicians are high, hidden dangers exist in rail safety and operation safety, and the service life of equipment is short.
In addition, a movable connection surface is arranged on a track running surface of the seamless suction-expansion device, but due to the limitation of the principle, the movable surface can only be higher or lower than the running surface, and the equipment still jolts when passing through the movable connection surface, so that the stability and the safety are influenced.
Disclosure of Invention
The invention mainly solves the technical problem of providing a lifting track joint adjusting device, and aims to solve the problems that the installation joint of the existing lifting track is difficult to control and has high technical requirements, and other suction devices have influences on operation.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a hoist and mount track seam adjusting device, this seam adjusting device include first movable track end, second movable track end, first fixed track, second fixed track, first connecting piece and second connecting piece, first connecting piece is connected first movable track end with first fixed track, the second connecting piece is connected second movable track end with second fixed track, first movable track end and second movable track end include respectively towards extending the first tine portion and the second tine portion that set up each other, first tine portion with second tine portion matches each other in order to satisfy adjusting device's expend with heat and contract with cold demand, and the equal parallel and level each other of a pair of side of the two all forms continuous contact plane on adjusting device's both sides face.
Preferably, the first movable rail end further comprises a first connecting portion, the first connecting portion is far away from the second forked tooth portion, and the first connecting piece connects the first connecting portion and the first fixed rail; the second movable rail end head further comprises a second connecting portion, the second connecting portion is far away from the first forked tooth portion, and the second connecting portion is connected with the second fixed rail.
Preferably, the first connecting piece and the second connecting piece are both straight-line connecting pieces and are arranged in pairs, a pair of side surfaces of the first connecting part are respectively provided with a first connecting chute, a pair of side surfaces of the first fixed rail are respectively provided with a pair of first fixed chutes, and the first connecting piece is inserted into the first connecting chute and the first fixed chute and then is fixed relative to the first connecting chute and the first fixed chute; and a pair of side surfaces of the second connecting part are respectively provided with a second connecting sliding groove, a pair of side surfaces of the second fixed rail are respectively provided with a pair of second fixed sliding grooves, and the second connecting part is inserted into the second connecting sliding grooves and the second fixed sliding grooves and then is fixed relative to the second connecting sliding grooves and the second fixed sliding grooves.
Preferably, the mounting base surface and the top surface of the first connecting part are respectively provided with a third connecting chute, the mounting base surface and the top surface of the first fixed rail are respectively provided with a third fixed chute, and the first connecting part is inserted into the third connecting chute and the third fixed chute and then fixed relative to the third connecting chute and the third fixed chute; and the mounting base surface and the top surface of the second connecting part are respectively provided with a fourth connecting chute, the mounting base surface and the top surface of the second fixed rail are respectively provided with a fourth fixed chute, the second connecting piece is inserted into the fourth connecting chute and the fourth fixed chute and then is fixed relative to the fourth connecting chute and the fourth fixed chute, and the mounting base surface and the top surface are parallel and perpendicular to the pair of side surfaces.
Preferably, the first connecting pieces and the second connecting pieces are both linear connecting pieces and are 3 in number, a pair of side surfaces and a top surface of the first connecting portion are respectively provided with a first connecting chute, a pair of side surfaces and a top surface of the first fixed rail are respectively provided with a first fixed chute, and the first connecting pieces are inserted into the first connecting chutes and the first fixed chutes and then are fixed relative to the first connecting chutes and the first fixed chutes; a pair of side surfaces and a top surface of the second connecting part are respectively provided with a second connecting sliding groove, a pair of side surfaces and a top surface of the second fixed rail are respectively provided with a second fixed sliding groove, and the second connecting piece is inserted into the second connecting sliding groove and the second fixed sliding groove and then is relatively fixed with the second connecting sliding groove and the second fixed sliding groove; the top surface is perpendicular to the pair of side surfaces.
Preferably, the outer surface of the first connecting piece is flush with the corresponding surfaces of the first connecting portion and the first fixing rail, and the outer surface of the second connecting piece is flush with the corresponding surfaces of the second connecting portion and the second fixing rail.
Preferably, the cross section of each linear connecting piece is arranged in a convex shape, and the linear connecting pieces are all fixed through screws after being clamped into the corresponding connecting sliding grooves and the corresponding fixing sliding grooves in a sliding mode.
Preferably, the first tine part and the second tine part are matched with each other so that they form a continuous contact plane on the top surface of the adjustment device.
Preferably, first activity track end still includes a pair of first outer extension, first outer extension outwards extends and with the installation base face parallel and level of first activity track end from the side of first activity track end, second activity track end still includes a pair of second outer extension, second outer extension outwards extends and with the installation base face parallel and level of second activity track end from the side of second activity track end, first outer extension with set up a pair of third trident tooth portion and the fourth trident tooth portion that extend the setting each other towards respectively on the second outer extension, third trident tooth portion and fourth trident tooth portion are nested each other.
Compared with the prior art, the invention has the beneficial effects that:
according to the movable track, the first movable track end and the first fixed track are connected through the first connecting piece, the second connecting piece is connected with the second movable track end and the second fixed track, and the first movable track end and the second movable track end are spliced to form a fork-shaped structural support plane which is embedded with each other. Need not consider the seam size between the track during installation to satisfy adjusting device's expend with heat and contract with cold demand, the installation is easy and simple to handle, and the security is high.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a seam adjusting device for a hoisting track according to the present invention;
FIG. 2 is a combined rear view of a lifting rail joint adjusting device of the present invention;
fig. 3 is a schematic view of the operation of the equipment on the lifting rail joint adjusting device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings.
Referring to fig. 1 to 3 together, the seam adjusting device for a lifting rail of the present invention includes a first movable rail end 1, a second movable rail end 2, a first fixed rail 3, a second fixed rail 4, a first connecting member 5 and a second connecting member 6, wherein the first connecting member 5 connects the first movable rail end 1 and the first fixed rail 3 including a first forked tooth portion 7, the second connecting member 6 connects the second movable rail end 2 and the second fixed rail 4 including a second forked tooth portion 8, the first forked tooth portion 7 and the second forked tooth portion 8 extend toward each other, and after the first forked tooth portion 7 and the second forked tooth portion 8 are matched with each other, a continuous contact plane is formed on a pair of side surfaces at a seam position of the adjusting device. In the hoisting track, the tire of the equipment is in contact with a pair of side surfaces of the track in the moving process, and the pair of side surfaces of the track are running surfaces. The running surface in continuous contact formed at the joint position of the adjusting device is completely consistent with the running surfaces at other positions of the track, so that wheels in sliding contact with the two side surfaces of the hoisting track stably slide at the joint position of the track. Certain movable clearance is reserved between the first forked tooth portion and the second forked tooth portion which are matched with each other in the extending direction of the track, and therefore the requirements of the adjusting device for expansion with heat and contraction with cold are met.
Referring to fig. 1, the first movable rail end 1 further includes a first connecting portion 9, the first connecting portion 9 is far away from the second forked tooth portion 8, and the first connecting member 5 connects the first connecting portion 9 and the first fixed rail 3; the second movable rail end 2 further comprises a second connecting portion 10, the second connecting portion 10 is far away from the first forked portion 7, and the second connecting portion 10 is connected with the second fixed rail 4 through the second connecting piece 6.
Preferably, the first connector 5 and the second connector 6 are both rectilinear connectors. In one embodiment, the number of the first connecting members 5 and the number of the second connecting members 6 are both a pair, a pair of side surfaces of the first connecting portion 9 are respectively provided with a first connecting chute 11, a pair of side surfaces of the second connecting portion 10 are respectively provided with a second connecting chute 12, a pair of side surfaces of the first fixing rail 3 are respectively provided with a pair of first fixing chutes 13, a pair of side surfaces of the second fixing rail 4 are respectively provided with a pair of second fixing chutes 14, and the first connecting members 5 are inserted into the first connecting chutes 11 and the first fixing chutes 13 and then respectively connected with the first connecting chutes 11 and the first fixing chutes 13 through connecting members (e.g., screws or rivets), so that the first connecting portions 9 and the first fixing rails 3 are relatively fixed; the second connecting member 6 is inserted into the second connecting sliding groove 12 and the second fixing sliding groove 14, and then connected to the two by connecting members (e.g., screws or rivets), so that the second connecting portion 10 and the second fixing rail 4 are relatively fixed.
In another preferred embodiment, the number of the first connecting members 5 and the second connecting members 6 is two pairs, one pair of the first connecting members 5 is used for connecting the first connecting portion 9 and a pair of side surfaces of the first fixing rail 3, and the other pair of the first connecting members 5 is used for connecting the first connecting portion 9 and top and bottom surfaces of the first fixing rail 3; one pair of the second connecting members 6 is for connecting the second connecting portion 10 and a pair of side surfaces of the second fixing rail 4, and the other pair of the second connecting members 6 is for connecting the second connecting portion 10 and top and bottom surfaces of the second fixing rail 4. Specifically, on the basis of the previous embodiment, the mounting base surface and the top surface of the first connecting portion 9 are respectively provided with a third connecting chute 15, the mounting base surface and the top surface of the second connecting portion 10 are respectively provided with a fourth connecting chute 16, the mounting base surface and the top surface of the first fixed rail 3 are respectively provided with a third fixed chute 17, the mounting base surface and the top surface of the second fixed rail 4 are respectively provided with a fourth fixed chute 18, and the first, second, third and fourth connecting chutes and the first, second, third and fourth fixed chutes have the same structure except that the mounting positions are different. The first connecting member 5 is inserted into the third connecting sliding groove 15 and the third fixing sliding groove 17 and then connected to the third connecting sliding groove and the third fixing sliding groove by a connecting member (e.g., a screw or a rivet), and the second connecting member 6 is inserted into the fourth connecting sliding groove 16 and the fourth fixing sliding groove 18 and then connected to the fourth connecting sliding groove and the fourth fixing sliding groove by a connecting member (e.g., a screw or a rivet). The mounting base surface and the top surface are parallel and both perpendicular to the pair of side surfaces.
In addition to the above two embodiments, the number of the first connecting member 5 and the second connecting member 6 may be 3. A pair of side surfaces and a top surface of the first connecting part 9 are respectively provided with a first connecting chute, a pair of side surfaces and a top surface of the first fixed rail 3 are respectively provided with a first fixed chute, and the first connecting part 5 is inserted into the first connecting chute and the first fixed chute and then is respectively connected with the first connecting chute and the first fixed chute through a connecting part (such as a screw or a rivet), so that the positions of the first connecting part 9 and the first fixed rail 3 are fixed; second connecting chutes are respectively formed in a pair of side surfaces and a top surface of the second connecting portion 10, second fixing chutes are respectively formed in a pair of side surfaces and a top surface of the second fixing rail 4, and the second connecting member 6 is inserted into the second connecting chute and the second fixing chute and then connected to the second connecting chute and the second fixing chute through connecting members (e.g., screws or rivets), so that the second connecting portion 10 and the second fixing rail 4 are fixed in position.
The outer surface of the first connecting piece 5 does not exceed the corresponding surfaces of the first connecting part 9 and the first fixing track 3; the outer surface of the second connecting member 6 does not extend beyond the corresponding surfaces of the second connecting portion 10 and the second fixing rail 4. In order to facilitate a larger contact area of the tire of the device on the running surface, it is preferable that the outer surfaces of the first connecting members 5 are flush with the corresponding surfaces of the first connecting portions 9 and the first fixing rails 3, and the outer surfaces of the second connecting members 6 are flush with the corresponding surfaces of the second connecting portions 10 and the second fixing rails 4. In other embodiments, the outer surface of the first connecting member 5 may be lower than the corresponding surfaces of the first connecting portion 9 and the first fixing rail 3; the outer surface of the second connector 6 may be lower than the corresponding surfaces of the second connector 10 and the second fixing rail 4.
Preferably, the cross sections of the first connecting piece 5 and the second connecting piece 6 are arranged in a shape like a Chinese character 'tu', the first connecting piece 5 is fixed by a screw after being slidably clamped into the first connecting chute 11 and the first fixing chute 13, and the first connecting piece 5 is fixed by a screw after being slidably clamped into the third connecting chute 15 and the third fixing chute 17; the second connecting piece 6 is slidably clamped into the second connecting sliding groove 12 and the second fixing sliding groove 14 and then fixed by screws, and the second connecting piece 6 is slidably clamped into the fourth connecting sliding groove 16 and the fourth fixing sliding groove 18 and then fixed by screws.
The first movable rail end head 1 further comprises a pair of first outer extension portions 19, and the first outer extension portions 19 extend outwards from the side surfaces of the first movable rail end head 1 and are flush with the mounting base surface of the first movable rail end head 1; the second movable rail end 2 further comprises a pair of second extensions 20, the second extensions 20 extending outwardly from the side surfaces of the second movable rail end 2 and being flush with the mounting base surface of the second movable rail end 2.
And a pair of third forked tooth parts 21 and a pair of fourth forked tooth parts 22 which extend towards each other are respectively arranged on the first outer extension part 19 and the second outer extension part 20, and the third forked tooth parts 21 and the fourth forked tooth parts 22 are mutually nested and are flush with the installation base surfaces of the first movable rail end head 1 and the second movable rail end head 2.
In addition to the illustrated embodiment, the specific structure of the lifting rail joint adjusting device can be modified in the specific implementation process, for example, the first prong part and the second prong part extending toward each other are nested with each other on a pair of side surfaces of the lifting rail to form a continuous contact plane, and the continuous contact plane can be formed on the top surface of the adjusting device by matching with each other. In particular, the first tine 7 and the second tine 8 each have a top surface flush with the rest of the rail, on which they form a mutually nested structure.
Compared with the prior art, when the equipment tire walked on the orbital motion face, because the prong shape structure support plane of mutual scarf joint is formed behind first activity track end 1 and the concatenation of second activity track end 2, first activity track end 1 is the longitudinal direction gap with the concatenation seam of second activity track end 2, each other is perpendicular with the horizontal contact surface of equipment tire, so, when the track is heated thermal expansion, the space absorption bulging force in the middle of through the extrusion, still keep orbital integrality when the track meets cold contraction and pulls open the interval, it is less to equipment tire influence, and the security is high.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a hoist and mount track seam adjusting device, its characterized in that includes first movable track end, second movable track end, first fixed track, second fixed track, first connecting piece and second connecting piece, first connecting piece is connected first movable track end with first fixed track, the second connecting piece is connected second movable track end with second fixed track, first movable track end and second movable track end include respectively towards extending the first tine portion and the second tine portion that set up each other, first tine portion with second tine portion matches each other in order to satisfy adjusting device's expend with heat and contract with cold demand, and the equal parallel and level in a pair of side of the two all forms continuous contact plane in order on adjusting device's both sides face.
2. The lifting rail joint adjusting device according to claim 1, wherein the first movable rail end further comprises a first connecting portion, the first connecting portion is far away from the second forked tooth portion, and the first connecting member connects the first connecting portion and the first fixed rail; the second movable rail end head further comprises a second connecting portion, the second connecting portion is far away from the first forked tooth portion, and the second connecting portion is connected with the second fixed rail.
3. The lifting rail joint adjusting device according to claim 2, wherein the first connecting piece and the second connecting piece are both straight-line connecting pieces and are arranged in pairs, a pair of side surfaces of the first connecting part are respectively provided with a first connecting sliding groove, a pair of side surfaces of the first fixing rail are respectively provided with a pair of first fixing sliding grooves, and the first connecting piece is inserted into the first connecting sliding groove and the first fixing sliding groove and then fixed relative to the first connecting sliding groove and the first fixing sliding groove; and a pair of side surfaces of the second connecting part are respectively provided with a second connecting sliding groove, a pair of side surfaces of the second fixed rail are respectively provided with a pair of second fixed sliding grooves, and the second connecting part is inserted into the second connecting sliding grooves and the second fixed sliding grooves and then is fixed relative to the second connecting sliding grooves and the second fixed sliding grooves.
4. The lifting rail joint adjusting device according to claim 3, wherein the mounting base surface and the top surface of the first connecting portion are respectively provided with a third connecting chute, the mounting base surface and the top surface of the first fixed rail are respectively provided with a third fixed chute, and the first connecting member is inserted into the third connecting chute and the third fixed chute and then fixed relative to the third connecting chute and the third fixed chute; and the mounting base surface and the top surface of the second connecting part are respectively provided with a fourth connecting chute, the mounting base surface and the top surface of the second fixed rail are respectively provided with a fourth fixed chute, the second connecting piece is inserted into the fourth connecting chute and the fourth fixed chute and then is fixed relative to the fourth connecting chute and the fourth fixed chute, and the mounting base surface and the top surface are parallel and perpendicular to the pair of side surfaces.
5. The lifting rail joint adjusting device according to claim 2, wherein the first connecting piece and the second connecting piece are both linear connecting pieces and are 3 in number, a pair of side surfaces and a top surface of the first connecting portion are respectively provided with a first connecting chute, a pair of side surfaces and a top surface of the first fixing rail are respectively provided with a first fixing chute, and the first connecting piece is inserted into the first connecting chute and the first fixing chute and then fixed relative to the first connecting chute and the first fixing chute; a pair of side surfaces and a top surface of the second connecting part are respectively provided with a second connecting sliding groove, a pair of side surfaces and a top surface of the second fixed rail are respectively provided with a second fixed sliding groove, and the second connecting piece is inserted into the second connecting sliding groove and the second fixed sliding groove and then is relatively fixed with the second connecting sliding groove and the second fixed sliding groove; the top surface is perpendicular to the pair of side surfaces.
6. The lifting rail joint adjusting device as recited in any one of claims 3-5, wherein the outer surface of the first connecting member is flush with the corresponding surfaces of the first connecting portion and the first fixing rail, and the outer surface of the second connecting member is flush with the corresponding surfaces of the second connecting portion and the second fixing rail.
7. The lifting rail seam adjusting device according to claim 6, wherein the cross section of the linear connecting piece is in a shape like a Chinese character 'tu', and the linear connecting pieces are fixed by screws after being slidably clamped into the corresponding connecting sliding grooves and the corresponding fixing sliding grooves.
8. Lifting rail joint adjusting device according to any of the claims 3-5, characterized in that the first tine part and the second tine part are matched to each other such that they form a continuous contact plane on the top surface of the adjusting device.
9. The lifting rail joint adjustment device of claim 1, wherein the first movable rail end further comprises a pair of first outer extensions extending outwardly from the side surfaces of the first movable rail end and flush with the mounting base surface of the first movable rail end, the second movable rail end further comprises a pair of second outer extensions extending outwardly from the side surfaces of the second movable rail end and flush with the mounting base surface of the second movable rail end, the first outer extensions and the second outer extensions are respectively provided with a pair of third forked tooth portions and fourth forked tooth portions extending toward each other, and the third forked tooth portions and the fourth forked tooth portions are nested with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371712.3A CN113043324B (en) | 2019-12-27 | 2019-12-27 | Seam adjusting device for hoisting track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371712.3A CN113043324B (en) | 2019-12-27 | 2019-12-27 | Seam adjusting device for hoisting track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113043324A true CN113043324A (en) | 2021-06-29 |
| CN113043324B CN113043324B (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911371712.3A Active CN113043324B (en) | 2019-12-27 | 2019-12-27 | Seam adjusting device for hoisting track |
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| Country | Link |
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| CN (1) | CN113043324B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH241857A (en) * | 1946-03-14 | 1946-04-15 | Wueest Franz | Rail joint connection. |
| US3955895A (en) * | 1973-07-27 | 1976-05-11 | Societe Dite Aeropar Societe Anonyme Francaise | Rail expansion joint |
| US6000624A (en) * | 1998-03-20 | 1999-12-14 | Marron; Gerald I. | Miter rail system |
| CN2535434Y (en) * | 2001-12-18 | 2003-02-12 | 甄冠忠 | Break-joint-free joint of steel railway |
| CN103227300A (en) * | 2013-03-29 | 2013-07-31 | 中航锂电（洛阳）有限公司 | Actual-measurement verifying apparatus for design scheme of novel high-capacity lithium-ion power battery |
| ES2569454A1 (en) * | 2014-11-07 | 2016-05-10 | Fco. Javier BENITO YGUALADOR | Expansion joints in railway rails, their shape at the ends avoiding jumps and discontinuities (Machine-translation by Google Translate, not legally binding) |
| CN208604429U (en) * | 2018-07-05 | 2019-03-15 | 北京中建空列集团有限公司 | Track girder bottom plate connector |
-
2019
- 2019-12-27 CN CN201911371712.3A patent/CN113043324B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH241857A (en) * | 1946-03-14 | 1946-04-15 | Wueest Franz | Rail joint connection. |
| US3955895A (en) * | 1973-07-27 | 1976-05-11 | Societe Dite Aeropar Societe Anonyme Francaise | Rail expansion joint |
| US6000624A (en) * | 1998-03-20 | 1999-12-14 | Marron; Gerald I. | Miter rail system |
| CN2535434Y (en) * | 2001-12-18 | 2003-02-12 | 甄冠忠 | Break-joint-free joint of steel railway |
| CN103227300A (en) * | 2013-03-29 | 2013-07-31 | 中航锂电（洛阳）有限公司 | Actual-measurement verifying apparatus for design scheme of novel high-capacity lithium-ion power battery |
| ES2569454A1 (en) * | 2014-11-07 | 2016-05-10 | Fco. Javier BENITO YGUALADOR | Expansion joints in railway rails, their shape at the ends avoiding jumps and discontinuities (Machine-translation by Google Translate, not legally binding) |
| CN208604429U (en) * | 2018-07-05 | 2019-03-15 | 北京中建空列集团有限公司 | Track girder bottom plate connector |
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| Publication number | Publication date |
|---|---|
| CN113043324B (en) | 2022-09-27 |
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