CN210031493U - Embedded orbital beam-ends telescoping device - Google Patents
Embedded orbital beam-ends telescoping device Download PDFInfo
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- CN210031493U CN210031493U CN201920800079.4U CN201920800079U CN210031493U CN 210031493 U CN210031493 U CN 210031493U CN 201920800079 U CN201920800079 U CN 201920800079U CN 210031493 U CN210031493 U CN 210031493U
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- 229910000831 Steel Inorganic materials 0.000 claims description 48
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- 238000004873 anchoring Methods 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 abstract description 13
- 239000000806 elastomer Substances 0.000 abstract description 13
- 230000005489 elastic deformation Effects 0.000 abstract description 5
- 239000004567 concrete Substances 0.000 description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
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Abstract
The utility model discloses an existing highway bridge reforms transform technical field, in particular to orbital beam-ends telescoping device of embedded, through setting up the first component and the second component of mutually supporting, first component includes the opening, first component setting is on the top surface of right side roof beam-ends structure, the one end setting of second component is on the top surface of left side roof beam-ends structure, the other end sets up in the opening, be provided with the elastomer between left side roof beam-ends structure and the right side roof beam-ends structure, still be equipped with waterproof material between elastomer and the second component. When the track structure works, the distance between the groove bottom surface of the opening and the second member is the maximum acceptable expansion amount of the beam end, through elastic deformation of the elastic body and the matching of the second member and the first member, the expansion of the beam end of the embedded track can be realized, the problem that the traditional track structure is necessarily in conflict with the original highway expansion joint is solved, and the continuity of the bridge floor of the track area can be maintained while the waterproofness and the durability of the track area of the beam end are met.
Description
Technical Field
The utility model relates to a bridge engineering technical field relates to existing highway bridge and reforms transform technical field, in particular to embedded orbital beam-ends telescoping device.
Background
In the 70 s of the 20 th century, modern trams were first developed in small and medium-sized cities in europe. Modern railways are well established by citizens and governments for their convenience, comfort and aesthetics. China also began to rebuild or newly add modern tram lines after 2000. From 2012 to 2020, the modern tram planning in China has exceeded 2500 kilometers. Modern trams often adopt embedded track structure for road resource utilization maximize, and the track top surface is basically flush with the highway face. In the transformation of the existing highway bridge tramcar, the embedded track structure is directly arranged in a bridge deck cast-in-place layer and is connected with a beam body structure through embedded steel bars.
For newly built tramcar bridges, the beam end expansion devices generally adopt highway expansion joints, and at the moment, the track structure must be higher than the bridge deck so as to span the expansion joints. If an embedded track is needed to be adopted in the existing bridge reconstruction, the track structure is bound to conflict with the original highway expansion joint. For embedded tracks, no good beam end telescopic device solution exists at present in China. In some projects, the expansion joint of the original highway is dismantled in the range of the rail running area without further measures. This inevitably causes water leakage and water immersion at the beam ends, reducing the durability of the beam structure and the bridge support. In addition, the discontinuity of the bridge deck can bring great influence to the driving comfort under the condition that the automobile and the tramcar need to run in a mixed mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome and lack one kind can with this problem of embedded track well complex beam-ends telescoping device among the internal current embedded track technical field, provide an embedded orbital beam-ends telescoping device for this reason, guarantee the continuity of rail traffic district bridge floor and the durability of beam-ends structure and support.
In order to realize the purpose, the utility model discloses a technical scheme be:
a beam end expansion device of an embedded track comprises a first member and a second member which are respectively used for being connected to beam end structures on two sides of an expansion joint, wherein an opening into which the second member can extend is formed in the first member, so that the opening can accommodate the maximum relative deformation of the beam ends on the two sides of the expansion joint, the beam end structure of the embedded track further comprises an elastic body, and the elastic body is arranged between the first member and a rail surface of an embedded track steel rail;
wherein, the expansion joint is a highway expansion joint.
The utility model discloses a set up first component and second component of mutually supporting, wherein first component and second component are used for connecting on the beam ends structure of expansion joint both sides respectively, be provided with the opening that the second component can stretch into in the first component, the maximum relative deflection of both sides beam ends can be held to the opening, it is filled with the elastomer to fill between first component and the embedded track rail, through set up first component and second component respectively on the beam ends structure of expansion joint both sides, through the elastic deformation of elastomer, and the variable distance between the open bottom surface to the second component can hold the flexible deflection of beam ends, replace the function of the former highway expansion joint in rail road district, realize embedded track district beam ends freely stretches out and draws back, this kind of structure has filled the blank of embedded track district bridge transformation beam ends, the continuity of the bridge floor of the track running area is maintained, and the mixed running condition of the vehicles is provided for the track running area.
Preferably, the depth of the opening is at least twice the maximum relative deformation of the beam end, and the amount of the second member extending into the first member is half of the opening.
Preferably, a waterproof material is further arranged between the elastic body and the first component.
Through set up waterproof material between elastomer and first component, solved and demolish the roof beam end that does not have waterproof measure to lead to after the former highway expansion joint condition that the beam end leaks the infiltration, reduce the condition of the durability of girder part structure and bridge beam supports, satisfy the regional waterproof requirement of beam end track in order to improve the durability of relevant structure.
Preferably, the first member is a stainless steel profile, the second member is a stainless steel plate, the first member is fixedly arranged on the top surface of the right beam-end structure, one end of the second member is fixedly arranged on the top surface of the left beam-end structure, the other end of the second member is arranged in the opening, and the second member is parallel to the top surface of the left beam-end structure;
the elastic body is arranged between the left side beam-end structure and the right side beam-end structure in the horizontal direction and between the second member and the embedded track steel rail in the vertical direction;
the beam end expansion device of the embedded track is arranged below the embedded track steel rail.
The utility model discloses a set up first component and the second component of mutually supporting, first component includes the opening, first component sets up on the top surface of right side roof beam end structure, the one end setting of second component is on the top surface of left side roof beam end structure, and the other end sets up in the opening, the second component with the top surface of left side roof beam end structure is parallel, will first component and second component set up the below at embedded track rail, simultaneously still be provided with the elastomer among the embedded orbital roof beam end telescoping device, the elastomer sets up on the horizontal direction between left side roof beam end structure and the right side roof beam end structure, set up on the vertical direction between second component and the embedded track rail, still be provided with waterproof material between elastomer and the second component. When the trolley-bus embedded track is in work, firstly, a cast-in-place concrete layer in a track area at an original road expansion joint on an existing line is removed, the second member is horizontally fixed on the top surface of the left beam-end structure, the first member is fixed on the top surface of the right beam-end structure, one end of the second member is arranged in an opening of the first member, the distance between the groove bottom surface of the opening and the second member is the maximum expansion amount acceptable by a beam end, the free expansion and contraction of the beam end of the trolley-bus embedded track area can be realized through the elastic deformation of the elastic body and the distance between the groove bottom surface of the opening and the second member, a waterproof material is arranged between the elastic body and the second member, and meanwhile, the road expansion joint in a non-track area is not removed; the structure solves the problem that a beam end expansion device which is well matched with an embedded track is absent in the field of the embedded track, can maintain the continuity of the bridge deck of a track running area, does not influence the structure of a highway expansion joint outside the track running area, can provide vehicle mixed running conditions for the track running area, and simultaneously meets the waterproof requirement of the beam end track area so as to improve the durability of the related structure.
Preferably, the beam end expansion device of the embedded track further comprises a steel bar, the first member is fixed on the left beam end structure through the steel bar, and the second member is horizontally fixed on the right beam end structure through the steel bar.
Preferably, the reinforcing bar includes a plurality of rows of vertical anchor reinforcing bars, all be provided with the through-hole that sets up in a row in second component, left side beam-ends structure and the right side beam-ends structure, every the diameter adaptation of through-hole in the diameter of vertical anchor reinforcing bar, open-ended looks remote site is fixed and is provided with one row on the first component vertical anchor reinforcing bar, through at least one row vertical anchor reinforcing bar will the second component level is fixed on the left side beam-ends structure, through at least one row vertical anchor reinforcing bar will the first component level is fixed on the right side beam-ends structure.
Preferably, the reinforcing steel bar further comprises a plurality of transverse connecting reinforcing steel bars, and the vertical anchoring reinforcing steel bars in the same row are fixedly connected through at least one transverse connecting reinforcing steel bar.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a set up first component and second component of mutually supporting, wherein first component and second component are used for connecting respectively on the beam ends structure of expansion joint both sides, be provided with the opening that the second component can stretch into in the first component, the opening can hold the biggest relative deflection of both sides beam ends, it is filled with the elastomer to fill between first component and the embedded track rail, through set up first component and second component respectively on the beam ends structure of expansion joint both sides, and the opening between first component and the second component can hold the biggest relative deflection between the beam ends structure of expansion joint both sides, through the elastic deformation of elastomer, and the variable distance between the open-ended bottom surface to the second component can hold the flexible deflection of beam ends, replace the function of the former highway expansion joint in rail way district, the free expansion of the beam end in the embedded track area is realized, the structure fills the blank of the expansion joint of the beam end of the bridge reconstructed by the embedded track, the continuity of the bridge deck in the track area is maintained, and the mixed running condition of vehicles is provided for the track area.
2. Through set up waterproof material between elastomer and first component, solved and demolish the roof beam end that does not have waterproof measure to lead to after the former highway expansion joint condition that the beam end leaks the infiltration, reduce the condition of the durability of girder part structure and bridge beam supports, satisfy the regional waterproof requirement of beam end track in order to improve the durability of relevant structure.
3. The first member comprises an opening, the first member is arranged on the top surface of the right side beam-end structure, one end of the second member is arranged on the top surface of the left side beam-end structure, the other end of the second member is arranged in the opening, the second member is parallel to the top surface of the left side beam-end structure, the first member and the second member are arranged below the embedded track steel rail, meanwhile, an elastic body is further arranged in the beam-end telescopic device of the embedded track, the elastic body is arranged between the left side beam-end structure and the right side beam-end structure in the horizontal direction and between the second member and the embedded track steel rail in the vertical direction, and a waterproof material is further arranged between the elastic body and the second member. When the trolley-bus embedded track structure works, firstly, a cast-in-place concrete layer in a track area at an original road expansion joint on an existing line is removed, the second member is horizontally fixed on the top surface of the left side beam end structure, the first member is fixed on the top surface of the right side beam end structure, one end of the second member is arranged in an opening of the first member, the distance between the groove bottom surface of the opening and the second member is the maximum expansion amount acceptable for a beam end, and the free expansion of the beam end of the trolley-bus embedded track area can be realized through the elastic deformation of the elastic body and the distance between the groove bottom surface of the opening and the second member; the waterproof material is arranged between the elastic body and the second member, and the highway expansion joint in the non-rail traveling area is not removed, so that the problem that a beam end expansion device which is well matched with the embedded track is lacked in the field of the embedded track is solved, the continuity of the bridge deck of the rail traveling area can be maintained, the highway expansion joint structure outside the rail traveling area is not influenced, the vehicle mixed traveling condition can be provided for the rail traveling area, and meanwhile, the waterproof requirement of the beam end track area is met to improve the durability of the related structure.
Drawings
FIG. 1 is a schematic plan view of a beam end retractor of an embedded track;
FIG. 2 is a cross-sectional view taken along line a-a of FIG. 1;
FIG. 3 is a cross-sectional view taken along line b-b of FIG. 1;
FIG. 4 is a cross-sectional view taken along line d-d of FIG. 2;
fig. 5 is a cross-sectional view taken along line c-c of fig. 2.
The labels in the figure are: 1-a first member, 2-a second member, 3-an opening, 4-a left side beam end structure, 5-a right side beam end structure, 6-an elastomer, 7-an embedded track steel rail, 8-a waterproof material, 9-a vertical anchoring steel bar, 10-a transverse connecting steel bar, 11-a rail bearing groove, 12-a telescopic structure, 13-a concrete cast-in-place layer, L1-a track structure width, L2-a track running area width, L3-a beam joint width and L4-a beam end cast-in-place layer width.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1, when the tramcar of the existing highway bridge is transformed, the original bridge deck pavement with the width of the rail road area L2 needs to be removed, and the telescopic structure 12 of the highway expansion joint outside the range of the width of the rail road area L2 does not need to be removed; laying embedded track steel rails 7, rail supporting grooves 11 and corresponding groove reinforcing meshes in the range of the track structure width L1, and then pouring cast-in-place concrete in the range of the track section width L2.
As shown in fig. 2, to the beam-ends region between left side roof beam body structure 4 and the right side roof beam body structure 5, install the utility model discloses preceding at first need demolish former highway telescoping device and chisel the top surface of former cast-in-place concrete layer to left side roof beam body structure 4 and right side roof beam body structure 5 in the same direction as bridge to the cast-in-place layer width L4 within range of beam-ends. When the highway expansion joint device with the width of the rail area L2 in the figure 1 is removed in the transverse direction of the bridge, the highway expansion joint with a certain length is kept to extend into the rail structure part.
A new cast-in-place concrete layer 13 is arranged above the left side beam body structure 4 and the right side beam body structure 5, the second member 2 is fixed on the left side beam body structure 4 through a row of vertical anchoring steel bars 9, the first member 1 is fixed on the right side beam body structure 5 through a row of vertical anchoring steel bars 9, the vertical anchoring steel bars 9 in the same row are connected in an enhanced mode through transverse connecting steel bars 10, one end of the second member 2 is arranged in an opening 3 of the first member 1, an elastic body 6 is further arranged on the second member 2, the elastic body 6 is arranged between the left side beam end structure 4 and the right side beam end structure 5 in the horizontal direction, and is arranged between the second member 2 and the rail surface of the embedded type rail 7 in the vertical direction; the thickness of the elastic body 6 is the width of the beam seam width L3, and a waterproof material 8 is arranged between the elastic body 6 and the second component 2; the beam end expansion device is arranged below the embedded track steel rail 7.
As shown in fig. 3, the first member 1 is disposed on the top surface of the right side sill structure 5, the length of the opening 3 in the right side sill structure 5 is equal to the width L2 of the track area, and a layer of lubricant is applied to the opening 3. Vertical anchor reinforcing bar 9 transversely evenly distributes in the rail is gone district width L2, sets up in the below of second component 2 to and left side roof beam body structure 4 and right side roof beam body structure 5's top, and left side roof beam body structure 4 top surface and right side roof beam body structure 5 top surface adopt the mode of drilling bar planting to anchor vertical anchor reinforcing bar 9 in left side roof beam body structure 4 or right side roof beam body structure 5, with vertical anchor reinforcing bar 9 and the reliable welding of first component 1. The left side beam body structure 4 is provided with a second component 2 with two rows of through holes, the diameter of the hole is 2mm larger than that of the vertical anchoring steel bar 9, and meanwhile, the transverse connecting steel bar 10 is adopted to strengthen the connection between the vertical anchoring steel bars 9 in the same row.
One end of the second member 2 is lapped on the top surface of the left side beam body structure 4, and the other end of the second member extends into the opening 3 of the first member 1, wherein the extending amount is generally half of the depth of the opening 3, and the depth of the opening 3 is larger than twice of the maximum relative deformation amount of the beam end. Two rows of vertical anchoring steel bars 9 below the second component 2 penetrate through the second component 2 and are embedded with steel bars and anchored in the left side beam body structure 4, the second component 2 and the vertical anchoring steel bars 9 below the second component 2 are welded into an assembly, and during welding, measures are taken to enable the second component 2 to be kept horizontal to the top surface of the left side beam body structure 4. The number of the transverse connecting reinforcing steel bars 10 is three, and each transverse connecting reinforcing steel bar 10 is arranged on the vertical anchoring reinforcing steel bars 9 in the same row, and is connected with all the vertical anchoring reinforcing steel bars 9 in the same row for reinforcing transverse connection.
The elastic body 6 is arranged between the left side beam-end structure 4 and the right side beam-end structure 5 in the horizontal direction and between the second member 2 and the rail surface in the vertical direction; a waterproof material 8 is arranged between the elastic body 6 and the second component 2; the concrete cast-in-place layer 13 is arranged above the left side beam body structure 4 and the right side beam body structure 5.
The elastic body 6 is arranged to be flush with the top surface of the elastic body 6 and the road surfaces at two sides.
As shown in fig. 3 and 4, the embedded track steel rail 7 and the rail bearing groove 2 within the width of the cast-in-place layer L4 at the beam end are laid. And (3) casting a beam end concrete cast-in-place layer 13 by using the vertical mold, wherein the concrete material is steel fiber concrete. And after the concrete reaches the designed strength, laying a layer of waterproof material 8 on the top surface of the second member 2 with the beam seam width L3, wherein the waterproof material is selected from asphalt waterproof coiled materials, and the transverse bridge width of the coiled materials is the width L2 of the rail-mounted area. The bitumen waterproofing membrane, in addition to providing an additional waterproofing action, ensures that the elastomer 6 does not penetrate into the opening 3 of the first component 1 when it is cast.
The number of rows of the vertical anchoring steel bars 9 between the second member 2 and the left beam-end structure 4 is two, and the number of rows of the vertical anchoring steel bars 9 between the first member 1 and the right beam-end structure 5 is one.
In addition, the steel bars also comprise a plurality of transverse connecting steel bars 10, the vertical anchoring steel bars 9 in the same row are fixedly connected through at least one transverse connecting steel bar 10, and a rail bearing groove 11 is also arranged between the beam end expansion device and the embedded track steel rail 7; and reserving the telescopic structure 12 in the expansion joint of the road outside the range of the width L2 of the track area.
As shown in fig. 5, the vertical end mold of the second member 2 is cast with waterproof and telescopic elastic bodies 6 between the second member 2 and the rail surface of the embedded track rail 7 in the range of the longitudinal width, i.e. the width of the beam joint L3 and the transverse width, i.e. the width of the track running area L2, and the elastic bodies 6 are made of materials which are tightly filled in the whole gap and enable the top surface of each elastic body 6 to be flush with the paving planes on two sides.
The construction method of the beam end expansion device of the embedded track comprises the following steps:
when the embedded track bridge beam end expansion device is adopted to transform the tramcar of the existing highway bridge, the method comprises the following construction steps:
firstly, removing a cast-in-place concrete layer in a track area at an original highway expansion joint on an existing line;
secondly, coating a layer of lubricant in the opening 3 of the first component 1;
horizontally fixing a second member 2 on the top surface of the left beam end structure 4, and fixing a first member 1 on the top surface of the right beam end structure 5, wherein one end of the second member 2 is arranged in the opening 3 of the first member 1;
and fourthly, laying the embedded track steel rail 7 and arranging the steel rail, and pouring new concrete to form a concrete cast-in-place layer 13.
Wherein the first member 1 is a stainless steel section steel and the second member 2 is a stainless steel plate.
In the first step, reserving a road expansion joint with a certain length to extend into the track structure part;
in the third step, the structure and the mode adopted for fixing the second member 2 and the first member 1 are the structure and the mode in the embedded track bridge beam end expansion device, namely, the vertical anchoring steel bars 9 and the transverse connecting steel bars 10 are adopted for fixing;
in the fourth step, the steel rail is provided with a rail bearing groove 11 and a reinforcing mesh under the groove.
The utility model discloses simple structure, construction convenience and filler material are removable, have successfully been used in the tram transformation of carp tuo bridge in the tram project M-TR tourism passenger transport special line of city river weir. The bridge is divided into two parts of an approach bridge and a main bridge, wherein a 6 multiplied by 30m one-connection prestressed concrete bridge of an approach bridge beam structure is a continuous T-shaped beam bridge with a structure after simple support, and the main bridge is a 13 multiplied by 30m triple prestressed concrete frame rigid frame bridge. The original bridge is a road bridge with 4 lanes and is transformed into a road bridge with a double-track tramcar and 2 lanes. The whole bridge has 5 beam seams, wherein 4 road seams are originally designed highway bridge expansion devices, and 1 road seam is newly designed. All track district telescoping device transform and have all adopted the utility model discloses. The waterproof problem of the beam end of the rail running area after the embedded track is laid on the bridge is solved, the structural durability of the beam body is improved, the continuity of the bridge floor of the rail running area is ensured, and better conditions are provided for the mixed running of automobiles.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The beam end expansion device of the embedded track is characterized by comprising a first member (1) and a second member (2) which are respectively used for being connected to beam end structures on two sides of an expansion joint, wherein the first member (1) is provided with an opening (3) into which the second member (2) can extend, so that the opening (3) can accommodate the maximum relative deformation of the beam ends on the two sides of the expansion joint, the beam end structure of the embedded track further comprises an elastic body (6), and the elastic body (6) is arranged between the first member (1) and a rail surface of an embedded track steel rail (7);
wherein, the expansion joint is a highway expansion joint.
2. A rail-embedded beam-end telescopic device according to claim 1, characterized in that the depth of the opening (3) is at least twice the maximum relative deformation of the beam-end, and the second member (2) protrudes into the first member (1) by half the amount of the opening (3).
3. A beam-end telescopic device of an embedded track according to any one of claims 1 or 2, characterized in that a waterproof material (8) is further arranged between the elastic body (6) and the first member (1).
4. A rail-embedded beam-end telescopic device according to claim 3, wherein the first member (1) is a stainless steel section bar, the second member (2) is a stainless steel plate, the first member (1) is fixedly arranged on the top surface of the right side beam-end structure (5), one end of the second member (2) is fixedly arranged on the top surface of the left side beam-end structure (4), the other end is arranged in the opening (3), and the second member (2) is parallel to the top surface of the left side beam-end structure (4);
the elastic body (6) is arranged between the left side beam-end structure (4) and the right side beam-end structure (5) in the horizontal direction and between the second member (2) and the embedded track steel rail (7) in the vertical direction;
the beam end expansion device of the embedded track is arranged below the embedded track steel rail (7).
5. A track-embedded beam-end expansion device according to claim 4, characterized in that it further comprises reinforcing bars by which the first member (1) is fixed to the left-side beam-end structure (4) and by which the second member (2) is horizontally fixed to the right-side beam-end structure (5).
6. A beam-end telescopic device of an embedded track according to claim 5, characterized in that the steel bars comprise a plurality of rows of vertical anchoring steel bars (9), through holes arranged in rows are arranged on the second member (2), the left beam-end structure (4) and the right beam-end structure (5), the diameter of each through hole is adapted to the diameter of the vertical anchoring steel bar (9), the opposite end of the opening (3) on the first member (1) is fixedly provided with one row of the vertical anchoring steel bars (9), the second member (2) is horizontally fixed on the left beam-end structure (4) through at least one row of the vertical anchoring steel bars (9), and the first member (1) is horizontally fixed on the right beam-end structure (5) through at least one row of the vertical anchoring steel bars (9).
7. A beam-end telescopic device of a recessed track according to claim 6, characterised in that said reinforcing bars further comprise a plurality of transverse connecting bars (10), said vertical anchoring bars (9) in the same row being fixedly connected by at least one of said transverse connecting bars (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920800079.4U CN210031493U (en) | 2019-05-30 | 2019-05-30 | Embedded orbital beam-ends telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920800079.4U CN210031493U (en) | 2019-05-30 | 2019-05-30 | Embedded orbital beam-ends telescoping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210031493U true CN210031493U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920800079.4U Expired - Fee Related CN210031493U (en) | 2019-05-30 | 2019-05-30 | Embedded orbital beam-ends telescoping device |
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| CN (1) | CN210031493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055888A (en) * | 2019-05-30 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of the beam-ends telescopic device and construction method of embedded tracks |
| CN113373785A (en) * | 2021-06-30 | 2021-09-10 | 中铁第四勘察设计院集团有限公司 | Beam seam dispersion structure of large-span high-speed magnetic levitation bridge |
-
2019
- 2019-05-30 CN CN201920800079.4U patent/CN210031493U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055888A (en) * | 2019-05-30 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of the beam-ends telescopic device and construction method of embedded tracks |
| CN110055888B (en) * | 2019-05-30 | 2023-09-19 | 中铁二院工程集团有限责任公司 | Beam end telescoping device of embedded track and construction method |
| CN113373785A (en) * | 2021-06-30 | 2021-09-10 | 中铁第四勘察设计院集团有限公司 | Beam seam dispersion structure of large-span high-speed magnetic levitation bridge |
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Granted publication date: 20200207 |