CN112900165A - Suspension type monorail track roof beam initiative pressure application formula gapless slider expansion joint device - Google Patents
Suspension type monorail track roof beam initiative pressure application formula gapless slider expansion joint device Download PDFInfo
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- CN112900165A CN112900165A CN202110307450.5A CN202110307450A CN112900165A CN 112900165 A CN112900165 A CN 112900165A CN 202110307450 A CN202110307450 A CN 202110307450A CN 112900165 A CN112900165 A CN 112900165A
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- 239000000725 suspension Substances 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 230000009191 jumping Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/22—Tracks for railways with the vehicle suspended from rigid supporting rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/22—Tracks for railways with the vehicle suspended from rigid supporting rails
- E01B25/24—Supporting rails; Auxiliary balancing rails; Supports or connections for rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a suspension type monorail track beam active pressure application type gapless slide block expansion joint device, which comprises a top plate, a web plate and a bottom plate, wherein the gapless slide block expansion joint device comprises a trapezoidal sliding plate, a lower plate and a spring mechanism, the trapezoidal sliding plate is integrally isosceles trapezoid and is arranged between the bottom plates at two sides of the expansion joint, and the trapezoidal sliding plate is connected through the lower plate; the trapezoidal sliding plate is arranged in the gap at the end part of the bottom plate, and the bottom plate is provided with an oblique slideway contacted with the oblique edge of the trapezoidal sliding plate, so that the oblique slideway and the oblique edge of the movable plate are in sliding connection; the spring mechanism is used for pressing each inclined edge of the trapezoidal sliding plate on the inclined slideway of the corresponding side all the time so as to enable the trapezoidal sliding plate to move along with the change of the width of the expansion joint. The invention has smoother driving surface, can almost eliminate hollow feeling caused by gaps, can effectively reduce noise and expansion joints with larger application range, and can save steel.
Description
Technical Field
The invention belongs to the field of suspended monorail, and particularly relates to an active pressing type gapless sliding block expansion joint device for a suspended monorail track beam.
Background
The suspended monorail is a kind of monorail and features that only one rail is used instead of two balanced rails of traditional railway. Similar to urban rail transit systems, monorail is mainly used in urban populated areas for carrying passengers.
The suspended monorail track beam is a key component of a suspended monorail traffic system, provides load bearing for a suspended monorail train, bears complex tensile force, compressive force, bending force, shearing force and torsional force, and needs to have high deformation resistance and fracture resistance.
The track beam bottom plate directly is as the planing surface of vehicle, and under the effect of use load such as temperature, braking force, the expansion joint seam width of adjacent track beam tip can take place flexible change, and too big seam width will make the vehicle produce obvious vibration and noise when crossing the expansion joint, influences the stationarity and the travelling comfort of driving. Therefore, the control beam end telescoping device's seam width is especially important to improving the stationarity and the travelling comfort of suspension type single track driving, needs to set up the expansion joint device at the track beam-ends portion.
The gap-free sliding block expansion joint device appears in germany for the first time, as shown in fig. 1a and 1b, the longitudinal expansion and contraction of a beam body is realized by mutually meshing and sliding of a trapezoidal sliding plate and an oblique sliding way of a fixed plate (see part a of fig. 1b, wherein bosses extend into notches of the opposite sides), so that the trapezoidal sliding plate is driven to slide along with the trapezoidal sliding plate, and a gap-free state is kept in a wheel driving range of a suspended monorail train.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides the active pressing type gapless sliding block expansion joint device of the suspension type monorail track beam, the driving surface of the device is smoother, the hollow feeling caused by the gap can be almost eliminated, the noise is reduced, and the expansion joint device can be applied to expansion joints with a larger range.
In order to achieve the above object, according to one aspect of the present invention, there is provided a suspension type monorail track beam active pressing type gapless slide block expansion joint device, the suspension type monorail track beam comprises a top plate, a web plate and a bottom plate, the web plate is vertically arranged between the top plate and the bottom plate, the gapless slide block expansion joint device is characterized in that the gapless slide block expansion joint device comprises a trapezoidal sliding plate, a lower plate and a spring mechanism, the trapezoidal sliding plate is integrally isosceles trapezoid and arranged between the bottom plates at two sides of the expansion joint, the trapezoidal sliding plate is supported by the lower plate, and the lower plate is fixed at the bottom end of the bottom plate;
the trapezoidal sliding plate is arranged in a gap at the end part of the bottom plate, the top end surface of the trapezoidal sliding plate is flush with the top end surface of the bottom plate, and the bottom plate is provided with an oblique slide way which is in contact with the oblique edge of the trapezoidal sliding plate, so that the oblique slide way is in sliding connection with the oblique edge of the movable plate;
the inclined slideways on the bottom plates at the two sides of the expansion joint are symmetrically distributed at the two sides of the expansion joint;
the spring mechanism is arranged on the bottom plate or the lower plate and enables each inclined edge of the trapezoidal sliding plate to be pressed on the inclined slide way on the corresponding side all the time, so that the trapezoidal sliding plate moves along with the change of the width of the expansion joint.
Preferably, the bottom plate at one side of the expansion joint is provided with an installation boss and the installation boss is positioned in the expansion joint, and the end part of the bottom plate at the other side of the expansion joint is provided with a yielding groove at a position corresponding to the installation boss so as to allow the installation boss to enter the yielding groove when the expansion joint is reduced;
the spring mechanism comprises a tension spring and a screw rod which are both positioned in the expansion joint, the screw rod is connected to the mounting boss, the axial direction of the screw rod is parallel to the expansion joint, one end of the tension spring is hooked on the screw rod, and the other end of the tension spring is hooked on the trapezoidal sliding plate.
Preferably, the spring mechanism includes a pressure spring and a pressure spring limiting member, the pressure spring is installed in a spring accommodating hole of the trapezoidal sliding plate, the pressure spring limiting member is installed on the lower plate, one end of the pressure spring abuts against the inner wall of the trapezoidal sliding block, and the other end of the pressure spring abuts against the pressure spring limiting member.
Preferably, the pressure spring is provided in plural and parallel to each other.
Preferably, the compression spring limiting part comprises a compression bar, a baffle and an adjusting bolt, the compression bar is fixedly installed on the lower plate, the baffle is placed on the lower plate and can move relative to the lower plate, one end of the compression spring abuts against the baffle, and one end of the adjusting bolt penetrates through the compression bar and is in threaded connection with the baffle so as to adjust the position of the baffle and adjust the pre-tightening force of the compression spring.
Preferably, the spring mechanism further comprises a guide pipe, one end of the guide pipe is fixedly mounted on the baffle, the other end of the guide pipe extends into the spring accommodating hole, and the pressure spring extends into the guide pipe.
Preferably, the inclined slide way of the bottom plate comprises an overhanging boss arranged in a suspended manner, the inclined edge of the trapezoidal sliding plate is provided with a step, and the overhanging boss is placed on the step, so that the trapezoidal sliding plate can slide relative to the bottom plate and can be prevented from jumping out.
Preferably, the bottom plate and the lower plate are coupled together by fastening bolts.
Preferably, the bottom end of the lower plate is provided with a stiffening rib.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects: according to the active pressing type gapless sliding block expansion joint device for the suspension type monorail track beam, the oblique edge of the trapezoidal sliding plate is always pressed on the oblique slideway of the bottom plate through the spring mechanism, when the expansion joint of the track beam is enlarged, the elastic force of the spring mechanism pushes the trapezoidal sliding plate to move along with the track beam, and when the expansion joint is enlarged, the two track beams can automatically push the movable plate to move. The invention is equivalent to two functions of mutual occlusion of the existing gapless slide block expansion joint device are divided into two independent functional parts to complete, so that the technology has better adaptability and reliability, can save steel and improve the problem of vehicle driving comfort, has the effects of mainly protecting the vehicle, such as reducing the wheel abrasion, the influence of vehicle vibration and the like, improving the stability and the comfort of driving, and can meet the automatic expansion deformation requirement of the expansion joint device with large deformation under the use load.
Drawings
FIGS. 1a and 1b are schematic views of a gapless slider expansion joint device in the prior art;
FIG. 2 is a schematic view of the present invention with the steps of the slider engaged with the cantilevered tabs of the base plate;
FIG. 3 is a schematic elevational view of the spring mechanism of the present invention employing a compression spring;
FIG. 4 is a schematic plan view of the spring mechanism of the present invention employing compression springs;
FIG. 5 is a detailed structure diagram of the spring mechanism of the present invention when a compression spring is used;
FIG. 6 is a schematic elevational view of the spring mechanism of the present invention employing a tension spring;
fig. 7 is a schematic plan view of the spring mechanism of the present invention employing tension springs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 2 to 7, the active pressing type gapless slider expansion joint device for the suspended monorail track beam 1 comprises a top plate, a web plate 2 and a bottom plate 3, wherein the web plate 2 is vertically arranged between the top plate and the bottom plate 3, the gapless slider expansion joint device comprises a trapezoidal sliding plate 7, a lower plate 4 and a spring mechanism 9, the trapezoidal sliding plate 7 is connected with the lower plate 4, the trapezoidal sliding plate 7 is integrally isosceles trapezoid and fixedly arranged between the bottom plates 3 at two sides of an expansion joint 6, the lower plate 4 is fixed at the bottom end of the bottom plate 3, a stiffening rib 5 is arranged at the bottom end of the lower plate 4, the upper bottom of the trapezoidal sliding plate 7 with smaller length faces the web plate 2, and the lower bottom of the trapezoidal sliding plate with larger length faces the bottom opening of the monorail suspended monorail. Preferably, the bottom plate 3 and the lower plate 4 are connected together by fastening bolts 20, and the two are integrally connected. The trapezoidal sliding plate 7 is arranged in a gap at the end part of the bottom plate 3, the two bottom plates 3 at the two sides of the expansion joint 6 clamp the trapezoidal sliding plate 7, and the lower plate 4 bears the trapezoidal sliding plate 7; the lower plate 4 of each suspended monorail track beam 1 receives approximately half of a trapezoidal sliding plate 7.
The top end face of the trapezoidal sliding plate 7 is flush with the top end face of the bottom plate 3, so that the traveling is smooth, and the bottom plate 3 is provided with an oblique slide way 8 which is in contact with the oblique edge of the trapezoidal sliding plate 7, so that the sliding connection is realized through the oblique slide way 8 and the oblique edge of the trapezoidal sliding plate 7, namely the trapezoidal sliding plate 7 can slide along the oblique slide way 8; each bottom plate 3 on two sides of the expansion joint 6 is respectively provided with an oblique slideway 8, and after the trapezoidal sliding plate 7 is clamped by the two bottom plates 3, the trapezoidal sliding plate 7 can be driven to move through the self expansion change of the track beam;
the two oblique slideways 8 are symmetrically distributed on two sides of the expansion joint 6, so that two oblique sides of the trapezoidal sliding plate 7 can be driven to synchronously move;
the spring mechanism 9 is installed on the bottom plate 3 or the lower plate 4 and enables each inclined edge of the trapezoidal sliding plate 7 to be always pressed on the inclined slide way 8 on the corresponding side, so that the trapezoidal sliding plate 7 moves along with the change of the seam width of the expansion joint 6.
Because the invention only keeps the pressing function (the bottom plate 3 presses the trapezoidal sliding plate 7 to force the trapezoidal sliding plate 7 to move when the expansion joint 6 is reduced) of the traditional mutual engagement of the inclined planes, and the pulling function (the bottom plate 3 pulls the trapezoidal sliding plate 7 when the expansion joint 6 is enlarged) of the traditional mutual engagement of the inclined planes is abandoned, the invention has to assist in completing the function in other modes, and the technology actively applies transverse force by the elastic force of the spring mechanism 9 to force the trapezoidal sliding plate 7 to keep clinging to the inclined slideway 8.
The purpose of the spring mechanism 9 is to keep the trapezoidal sliding plate 7 tightly attached to the oblique slideway 8, and two major methods are provided for the structure, one scheme is to use a tension spring 10 to make the trapezoidal sliding plate 7 tightly attached to the oblique slideway 8, as shown in fig. 2 and 3; another solution is to use a compression spring 12 to make the trapezoidal sliding plate 7 tightly attached to the oblique slideway 8, as shown in fig. 4 and 5. The different structures of the mode are different, but the technical principle is also one.
Referring to fig. 3 and 4, an installation boss extends into the expansion joint 6 from the end of the bottom plate 3 on one side of the expansion joint 6, and an abdicating groove is formed in the end of the bottom plate 3 on the other side of the expansion joint 6 at a position corresponding to the installation boss so as to allow the installation boss to enter the abdicating groove when the expansion joint 6 is contracted;
the spring mechanism 9 comprises a tension spring 10 and a screw rod 11 which are both positioned in the expansion joint 6, the screw rod 11 is installed on the installation boss, the axial direction of the screw rod 11 is parallel to the expansion joint, one end of the tension spring 10 is hooked on the screw rod 11, the other end of the tension spring is hooked on the trapezoidal sliding plate 7, preferably on the upper bottom of the trapezoidal sliding plate 7 with smaller length, the structure of the spring mechanism 9 is simpler, the trapezoidal sliding plate 7 can be pulled by only one tension spring 10, and the installation is also more convenient.
Referring to fig. 5 to 7, the spring mechanism 9 includes a compression spring 12 and a compression spring 12 limiting member, the compression spring 12 is installed in a spring accommodating hole 13 of the trapezoidal sliding block, the compression spring 12 limiting member is installed on the lower plate 4, one end of the compression spring 12 abuts against an inner wall of the trapezoidal sliding block, and the other end abuts against the compression spring 12 limiting member. The structure of the spring mechanism 9 is more complicated than the form of the tension spring 10, but the structure is not added in the expansion joint 6 like the tension spring 10, the arrangement space of the compression springs 12 is larger, the installation is easy, and the compression springs 12 can be arranged in a plurality of parallel, so that the trapezoidal sliding plate 7 can be pressed by the compression springs 12, and the stress effect of the trapezoidal sliding plate 7 is good.
Further, the limiting part of the pressure spring 12 comprises a pressing strip 14, a baffle plate 15 and an adjusting bolt 16, the pressing strip 14 is fixedly installed on the lower plate 4, the baffle plate 15 is placed on the lower plate 4 and can move relative to the lower plate 4, one end of the pressure spring 12 abuts against the baffle plate 15, one end of the adjusting bolt 16 penetrates through the pressing strip 14 and then is in threaded connection with the baffle plate 15, so that the position of the baffle plate 15 is adjusted, the pre-tightening force of the pressure spring 12 is adjusted, and the pressure spring 12 always exerts elastic force on the trapezoidal sliding plate 7. Preferably, the spring mechanism 9 further includes a guide tube 17, one end of the guide tube 17 is fixedly mounted on the baffle 15, the other end of the guide tube 17 extends into the spring accommodating hole 13, and the pressure spring 12 extends into the guide tube 17. The trapezoidal sliding plate 7 can be guided by the guide pipe 17 during movement, and can be moved better.
Further, in order to prevent the trapezoidal sliding plate 7 from jumping out, a corresponding prevention measure is required, because the invention only keeps the pressing part of the pulling and pressing action provided by mutual engagement, and the pulling action is additionally provided by the additional spring mechanism 9, thereby avoiding the possibility of seizure and banging due to precision problems, the oblique slideway 8 of the bottom plate 3 is provided with an overhanging boss 18 in a hanging way, the oblique edge of the trapezoidal sliding plate is provided with a step 19, and the overhanging boss 18 is rested on the step 19, so that the trapezoidal sliding plate can slide relative to the bottom plate 3 and can be prevented from jumping out. The overhanging ledge 18 is required to be above the step 19 to limit the step 19 from jumping out, so the coverage is preferably reasonably large.
The invention uses the advantages of the prior art for reference, and in consideration of national conditions, the two functions of a traditional part which is meshed with each other are divided into two independent functional parts to be completed, so that the technology has better adaptability and reliability. The invention mainly aims to improve the driving comfort of the vehicle, and has more benefits on protecting the vehicle, such as reduction of wheel wear, influence of vehicle vibration and the like.
It is to be understood that the foregoing are many different embodiments or examples of the different features of the present embodiments. Specific examples of components and arrangements are described above to simplify the illustrative embodiments. These are, of course, merely examples and are not intended to limit the embodiments, and for example, device dimensions are not limited to the ranges or values disclosed, but may depend on processing conditions and/or desired properties of the device.
Moreover, the formation of a first feature over or on a second feature in the description that follows may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features may be formed interposing the first and second features, such that the first and second features may not be in direct contact, although the various features may be drawn arbitrarily to varying proportions for simplicity and clarity of illustration.
Spatially relative terms, such as "under," "below," "lower," "above," "upper," and the like, may be used herein to describe one element or feature's relationship to another element or feature(s) as illustrated in the figures.
These spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be oriented in different ways (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The active pressure-applying type gapless slide block expansion joint device for the suspended monorail track beam comprises a top plate, a web plate and a bottom plate, wherein the web plate is vertically arranged between the top plate and the bottom plate;
the trapezoidal sliding plate is arranged in a gap at the end part of the bottom plate, the top end surface of the trapezoidal sliding plate is flush with the top end surface of the bottom plate, and the bottom plate is provided with an oblique slide way which is in contact with the oblique edge of the trapezoidal sliding plate, so that the oblique slide way is in sliding connection with the oblique edge of the movable plate;
the inclined slideways on the bottom plates at the two sides of the expansion joint are symmetrically distributed at the two sides of the expansion joint;
the spring mechanism is arranged on the bottom plate or the lower plate and enables each inclined edge of the trapezoidal sliding plate to be pressed on the inclined slide way on the corresponding side all the time, so that the trapezoidal sliding plate moves along with the change of the width of the expansion joint.
2. The active compression type gapless slider expansion joint device of a suspended monorail track beam as claimed in claim 1, wherein the bottom plate at one side of the expansion joint is provided with a mounting boss and the mounting boss is located in the expansion joint, and the end of the bottom plate at the other side of the expansion joint is provided with a yielding groove at a position corresponding to the mounting boss so as to allow the mounting boss to enter the yielding groove when the expansion joint is reduced;
the spring mechanism comprises a tension spring and a screw rod which are both positioned in the expansion joint, the screw rod is connected to the mounting boss, the axial direction of the screw rod is parallel to the expansion joint, one end of the tension spring is hooked on the screw rod, and the other end of the tension spring is hooked on the trapezoidal sliding plate.
3. The apparatus of claim 1, wherein the spring mechanism comprises a compression spring and a compression spring retainer, the compression spring is mounted in a spring receiving hole of the trapezoidal sliding block, the compression spring retainer is mounted on the lower plate, one end of the compression spring abuts against an inner wall of the trapezoidal sliding block, and the other end of the compression spring abuts against the compression spring retainer.
4. The active compression type gapless slide block expansion joint device of a suspended monorail track beam as claimed in claim 3, wherein said compression spring is provided with a plurality of pieces and they are parallel to each other.
5. The active-pressing gapless slider expansion joint device of claim 3, wherein the compression spring limiting member comprises a pressing bar, a baffle plate and an adjusting bolt, the pressing bar is fixedly mounted on the lower plate, the baffle plate is placed on the lower plate and can move relative to the lower plate, one end of the compression spring abuts against the baffle plate, and one end of the adjusting bolt passes through the pressing bar and is then in threaded connection with the baffle plate to adjust the position of the baffle plate, so as to adjust the pre-tightening force of the compression spring.
6. The apparatus as claimed in claim 5, wherein the spring mechanism further comprises a guide tube, one end of the guide tube is fixedly mounted on the baffle plate, the other end of the guide tube extends into the spring receiving hole, and the compression spring extends into the guide tube.
7. The active compression type gapless slider expansion joint device of claim 1, wherein the inclined slideway of the bottom plate comprises an overhanging boss, the inclined edge of the trapezoidal sliding plate is provided with a step, and the overhanging boss rests on the step to allow the trapezoidal sliding plate to slide relative to the bottom plate and prevent the trapezoidal sliding plate from jumping out.
8. The active compression type gapless slider expansion joint device of a suspended monorail track beam as claimed in claim 1, wherein said bottom plate and said lower plate are connected together by fastening bolts.
9. The active compression gapless slider expansion joint device of a suspended monorail track beam as claimed in claim 1, wherein the bottom end of said lower plate is provided with stiffening ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110307450.5A CN112900165A (en) | 2021-03-23 | 2021-03-23 | Suspension type monorail track roof beam initiative pressure application formula gapless slider expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110307450.5A CN112900165A (en) | 2021-03-23 | 2021-03-23 | Suspension type monorail track roof beam initiative pressure application formula gapless slider expansion joint device |
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| Publication Number | Publication Date |
|---|---|
| CN112900165A true CN112900165A (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110307450.5A Pending CN112900165A (en) | 2021-03-23 | 2021-03-23 | Suspension type monorail track roof beam initiative pressure application formula gapless slider expansion joint device |
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| Country | Link |
|---|---|
| CN (1) | CN112900165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411458A (en) * | 2022-01-13 | 2022-04-29 | 江西理工大学 | Adjustable seam device for suspension type permanent magnetic floating track beam |
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| JP2005188246A (en) * | 2003-12-26 | 2005-07-14 | Sanwa Tekki Corp | Track connecting structure |
| CN206143627U (en) * | 2016-11-03 | 2017-05-03 | 温州华隆建设有限公司 | Bridge elastic expansion stitches device |
| CN206843864U (en) * | 2017-03-08 | 2018-01-05 | 中铁宝桥集团有限公司 | A kind of suspension type rail seam retractor device bottom surface running face telescoping mechanism |
| CN110306427A (en) * | 2019-07-09 | 2019-10-08 | 重庆科技学院 | Bridge self-adapting stretching crack structure |
| CN110644302A (en) * | 2019-10-31 | 2020-01-03 | 中唐空铁科技有限公司 | Suspension type monorail vehicle walking surface telescopic structure, telescopic device and track beam |
| CN211772459U (en) * | 2020-03-26 | 2020-10-27 | 中铁第六勘察设计院集团有限公司 | Seamless expansion device for suspended monorail track beam |
| CN112342845A (en) * | 2020-10-19 | 2021-02-09 | 上海市政工程设计研究总院（集团）有限公司 | Longitudinal seamless expansion device of suspension type monorail track beam |
| CN215252020U (en) * | 2021-03-23 | 2021-12-21 | 中铁第四勘察设计院集团有限公司 | Suspension type monorail track roof beam initiative pressure application formula gapless slider expansion joint device |
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2021
- 2021-03-23 CN CN202110307450.5A patent/CN112900165A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2358105Y (en) * | 1998-12-01 | 2000-01-12 | 铁道部专业设计院 | Oblique crossing compensation telescopic catcher |
| JP2005188246A (en) * | 2003-12-26 | 2005-07-14 | Sanwa Tekki Corp | Track connecting structure |
| CN206143627U (en) * | 2016-11-03 | 2017-05-03 | 温州华隆建设有限公司 | Bridge elastic expansion stitches device |
| CN206843864U (en) * | 2017-03-08 | 2018-01-05 | 中铁宝桥集团有限公司 | A kind of suspension type rail seam retractor device bottom surface running face telescoping mechanism |
| CN110306427A (en) * | 2019-07-09 | 2019-10-08 | 重庆科技学院 | Bridge self-adapting stretching crack structure |
| CN110644302A (en) * | 2019-10-31 | 2020-01-03 | 中唐空铁科技有限公司 | Suspension type monorail vehicle walking surface telescopic structure, telescopic device and track beam |
| CN211772459U (en) * | 2020-03-26 | 2020-10-27 | 中铁第六勘察设计院集团有限公司 | Seamless expansion device for suspended monorail track beam |
| CN112342845A (en) * | 2020-10-19 | 2021-02-09 | 上海市政工程设计研究总院（集团）有限公司 | Longitudinal seamless expansion device of suspension type monorail track beam |
| CN215252020U (en) * | 2021-03-23 | 2021-12-21 | 中铁第四勘察设计院集团有限公司 | Suspension type monorail track roof beam initiative pressure application formula gapless slider expansion joint device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411458A (en) * | 2022-01-13 | 2022-04-29 | 江西理工大学 | Adjustable seam device for suspension type permanent magnetic floating track beam |
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