CN209975272U - Suspension type monorail vehicle walking surface telescopic structure, telescopic device and track beam - Google Patents
Suspension type monorail vehicle walking surface telescopic structure, telescopic device and track beam Download PDFInfo
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- CN209975272U CN209975272U CN201921848061.8U CN201921848061U CN209975272U CN 209975272 U CN209975272 U CN 209975272U CN 201921848061 U CN201921848061 U CN 201921848061U CN 209975272 U CN209975272 U CN 209975272U
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Abstract
The utility model discloses a suspension type monorail vehicle running surface telescopic structure, a telescopic device and a track beam, the vehicle running surface telescopic structure comprises a movable joint-spanning plate, a first fixed plate and a second fixed plate, the movable joint-spanning plate is connected with the first fixed plate and the second fixed plate in a sliding way, a first connecting rod is arranged between the movable joint-spanning plate and the first fixed plate, two ends of the first connecting rod are respectively hinged with the movable joint-spanning plate and the first fixed plate, a second connecting rod is arranged between the movable joint-spanning plate and the second fixed plate, two ends of the second connecting rod are respectively hinged with the movable joint-spanning plate and the second fixed plate, because the movable joint-spanning plate is not directly connected with the edges of the first fixed plate and the second fixed plate, but adopts a point connection mode, the blocking state caused by the torsion of the track beam is directly avoided, and the suspension type monorail vehicle running surface telescopic structure is further suitable for the climate environment with high temperature difference, the vibration phenomenon of vehicle running is, improved durability and applicability to curved track beams.
Description
Technical Field
The utility model relates to a track traffic equips technical field, especially relates to a suspension type monorail vehicle walks capable face extending structure, telescoping device and track roof beam.
Background
Among the extending structure of current suspension type monorail track roof beam, what generally adopted is special-shaped connection structure, as shown in fig. 1, it fixes respectively on the track roof beam on expansion joint both sides to adopt two crisscross connecting plates at track roof beam vehicle walking face usually, the connecting plate can be triangle-shaped or trapezoidal, this kind of extending structure still has great gap when the track contracts at low temperature, be unfavorable for the steady traveling of empty railway vehicle, and can not use under the weather condition that the difference in temperature is big, single track's of suspension type environmental suitability and vehicle walking speed have been restricted.
In order to solve the problem of large gaps formed by free deformation of the track beam, a technician adopts a sliding groove type seam telescopic structure which comprises two fixing plates 2 and 3 and a movable seam crossing plate 4, when the fixing plates 2 and 3 move along the horizontal direction, no matter whether the gaps extend or shorten, the movable seam crossing plate 4 is always driven by the outer side edge, and refer to fig. 2. There are the following problems: because the fixed plate is connected in the track roof beam upper end, the track roof beam deformation of both ends once has the torsion angle, refer to fig. 3, and when the track roof beam horizontal flexible clearance of both ends was inconsistent promptly, this expansion joint device can block. The telescopic structure is out of order and cannot adapt to the corner of the beam end.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a suspension type monorail vehicle walks capable face extending structure, telescoping device and track roof beam to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a telescopic structure of a running surface of a suspended monorail vehicle comprises a movable joint crossing plate, a first fixing plate and a second fixing plate, wherein the movable joint crossing plate is connected with the first fixing plate and the second fixing plate in a sliding mode, a first connecting rod is arranged between the movable joint crossing plate and the first fixing plate, two ends of the first connecting rod are hinged to the movable joint crossing plate and the first fixing plate respectively, a second connecting rod is arranged between the movable joint crossing plate and the second fixing plate, and two ends of the second connecting rod are hinged to the movable joint crossing plate and the second fixing plate respectively.
The movable joint-crossing plate comprises a rectangular head and a trapezoidal tail, gaps are formed between the rectangular head and the first fixing plate and between the rectangular head and the second fixing plate, dampers are filled in the gaps, and the trapezoidal tail is connected with the first fixing plate and the second fixing plate in a sliding mode.
The movable seam crossing plate is in an isosceles trapezoid or a triangle.
The opposite sides of the first fixing plate and the second fixing plate are respectively provided with a guide groove, the guide grooves are variable-gap guide grooves, the movable joint-crossing plate is in sliding connection with the first fixing plate and the second fixing plate through the guide grooves, one sides of the first fixing plate and the second fixing plate, which are opposite to the vehicle running surface, are respectively provided with a first mounting groove, a second pin is arranged in the first mounting groove, one side of the movable joint-crossing plate, which is opposite to the vehicle running surface, is provided with a second mounting groove matched with the first mounting groove, a first pin is arranged in the second mounting groove, two ends of the first connecting rod and the second connecting rod are hinged with the first fixing plate and the second fixing plate through the first pin and the second pin, and the first connecting rod and the second connecting rod are always positioned in the first mounting groove and the second mounting groove in the motion process, the movable seam crossing plate always has a first gap with the guide groove and the first connecting rod and the second connecting rod have a second gap with the first mounting groove and the second mounting groove in the movement process.
The movable seam crossing plate is internally communicated with a first countersunk hole, the first pin is inserted into the first countersunk hole, the first fixing plate and the second fixing plate are internally communicated with a second countersunk hole, and the second pin is installed in the second countersunk hole.
The first pin sequentially penetrates through the second connecting rod and the first connecting rod and the tail end of the first pin extend out the first connecting rod is locked by the elastic check ring for the shaft, the tail end of the second pin extends out of the first connecting rod is locked by the elastic check ring for the shaft, and the tail end of the second pin extends out of the second connecting rod is locked by the elastic check ring for the shaft.
The anti-jumping device comprises an anti-jumping rod and a fixed block, the fixed block is mounted on one side, back to the vehicle running surface, of the movable cross seam plate, the anti-jumping rod is mounted on the fixed block, and two ends of the anti-jumping rod extend out of the movable cross seam plate.
The utility model provides a single track telescoping device of suspension type, the telescoping device includes two suspension type monorail vehicle walk capable face extending structure, stiff end track case roof beam and expansion end track case roof beam, stiff end track case roof beam with expansion end track case roof beam is door style of calligraphy frame type, stiff end track case roof beam with there is the expansion joint, two between the expansion end track case roof beam the vehicle walks capable face extending structure and installs relatively stiff end track case roof beam with the inboard vehicle of expansion end track case roof beam walks on the capable face, just the shrouding is located the wheel and walks the shape region in the activity.
A suspension type monorail track beam is provided with a suspension type monorail expansion device. The utility model has the advantages that:
because the movable joint-spanning plate is not directly connected with the edges of the first fixing plate and the second fixing plate, but adopts a point connection mode, the locking state caused by the torsion of the track beam is directly avoided, and the movable joint-spanning plate is further suitable for the climate environment with high temperature difference, improves the vibration phenomenon of vehicle running, improves the stress performance, improves the durability and is also suitable for the bent track beam.
Drawings
FIG. 1 is a schematic structural view of a vehicle running surface telescopic structure of a special-shaped connecting structure in the prior art;
FIG. 2 is a schematic diagram of the movement of a telescopic structure of a running surface of a chute-type vehicle in the prior art;
FIG. 3 is a schematic diagram of the movement of a vehicle running surface telescopic structure under the condition that a torsion angle exists in the deformation of a track beam in the prior art;
FIG. 4 is a schematic three-dimensional structure diagram I of the telescopic structure of the vehicle running surface of the present invention;
FIG. 5 is a schematic diagram of a three-dimensional structure of the telescopic structure of the middle vehicle running surface of the present invention;
FIG. 6 is a schematic view of the vehicle running surface structure of the telescopic structure of the vehicle running surface of the present invention;
FIG. 7 is a schematic view of the structure of the mounting surface of the telescopic structure of the vehicle running surface of the present invention;
FIG. 8 is a schematic view of the structure of FIG. 6 at A-A according to the present invention;
FIG. 9 is a schematic view of the structure of FIG. 6 at B-B according to the present invention;
FIG. 10 is a schematic view of the structure of FIG. 6 at C-C;
FIG. 11 is a schematic view of a partial structure of the telescopic device of the present invention (a schematic view of an installation position of the telescopic structure of the vehicle running surface);
FIG. 12 is a schematic view of a vehicle running surface structure at an extreme position of the vehicle running surface telescopic structure according to the present invention;
FIG. 13 is a schematic view of the limit position-mounting surface structure of the retractable structure of the vehicle running surface of the present invention;
FIG. 14 is a schematic view of the two vehicle running surfaces at the extreme positions of the telescopic structure of the middle vehicle running surface of the present invention;
FIG. 15 is a schematic view of a structure of a two-mounting surface at an extreme position of a telescopic structure of a vehicle running surface according to the present invention;
FIG. 16 is a schematic view of the telescopic structure of the vehicle running surface of the present invention, which adopts an isosceles trapezoid movable seam crossing plate;
fig. 17 is a schematic structural view of the anti-bouncing device mounted on the telescopic structure of the middle vehicle running surface of the present invention.
In the figure: the movable joint-spanning plate comprises a movable joint-spanning plate 1, a first fixing plate 2, a second fixing plate 3, a first pin 4, a first connecting rod 5, a second connecting rod 6, a second pin 7, an elastic collar 8 for a shaft, a guide groove 9, a first mounting groove 10, a second mounting groove 11, a fixed end track box girder 12, a movable end track box girder 13, a fixing block 14 and an anti-jumping rod 15.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
Currently, simple analysis is performed on the existing expansion joint:
the motion principle of original expansion joint is as follows:
referring to fig. 2, when the first fixing plate 2 and the second fixing plate 3 at the two ends move horizontally to the two sides, the outer side of the sliding block at the 45-degree chute is stressed to generate a vertical component force, and the middle movable seam crossing plate 1 is driven to move along the vertical direction. Has the following characteristics: 1. in order to ensure smooth movement, the included angle of the sliding blocks of the movable seam crossing plate 1 is 90 degrees; 2. the sliding block is fixedly connected with the movable seam crossing plate 1 through three shafts and cannot rotate.
Therefore, when the first fixing plate 2 and the second fixing plate 3 at the two ends move horizontally to the two sides, the sliding block is always driven by the driving force at the outer side no matter whether the expansion joint is in an extension or contraction state.
Further, the following problems occur:
referring to fig. 3, once the adjacent two track beams are deformed and have a torsion angle, that is, when the transverse expansion gaps of the two end track beams are not consistent, the expansion joint device is locked. And cannot adapt to the corner of the beam end.
Referring to fig. 4 ~ 17, an embodiment of the present invention provides a telescopic structure of a running surface of a suspended monorail vehicle, which is driven by a rotating hinge and a link mechanism, wherein a guide groove 9 on a side surface of the telescopic structure is variable in clearance and is not in contact with a guide groove on the side surface of the telescopic structure in the moving process, and a corner is formed between a first fixing plate 2 and a second fixing plate 3, so that the telescopic structure cannot be locked and moved to cross a seam plate 1, and the moving is kept smooth.
The detailed scheme is as follows:
the utility model provides a suspension type monorail vehicle walks capable face extending structure, be applicable to suspension type monorail track roof beam and reserve the expansion joint and have the expansion joint under the beam-ends corner condition in the expansion joint, the expansion joint is the gap between two single adjacent track roof beams of suspension type, install respectively on stiff end track case roof beam 12 and expansion end track case roof beam 13 the tip of two adjacent track roof beams, stiff end track case roof beam 12 and expansion end track case roof beam 13 are door style of calligraphy frame, the vehicle walks capable face extending structure's quantity and be two and about track roof beam symmetric distribution (refer to and see figure 11).
The vehicle running surface telescopic structure comprises a movable seam crossing plate 1, a first fixing plate 2 and a second fixing plate 3, wherein the first fixing plate 2 and the second fixing plate 3 of the vehicle running surface telescopic structure of a fixed end rail box beam 12 and a movable end rail box beam 13 are fixedly arranged at one end, close to an expansion joint, of a vehicle running surface on the inner side of the fixed end rail box beam 12 and the movable end rail box beam 13 respectively (see fig. 11).
The opposite sides of the first fixing plate 2 and the second fixing plate 3 are respectively provided with a guide groove 9, the guide grooves 9 are variable-gap guide grooves (refer to figures 4, 6, 12 and 14), two sides of the movable seam crossing plate 1 are respectively connected with the guide grooves 9 on the first fixing plate 2 and the second fixing plate 3 in a sliding way, the first fixing plate 2 and the second fixing plate 3 are respectively provided with a first mounting groove 10 facing away from the vehicle running surface (mounting surface), the first fixing plate 2 and the second fixing plate 3 are respectively internally provided with a second countersunk hole, a second pin 7 is mounted in the second countersunk hole, the bottom ends of the second pins 7 on the first fixing plate 2 and the second fixing plate 3 are respectively extended into the first mounting groove 10 and are respectively connected with a first connecting rod 5 and a second connecting rod 6 in a rotating way, the movable seam crossing plate 1 is provided with a second mounting groove 11 facing away from the vehicle running surface, the movable seam crossing plate 1 is internally provided with a first countersunk hole, the first pin 4 is inserted in the first countersunk hole, in first round pin 4 bottom stretched into second mounting groove 11, first connecting rod 5 and the terminal 4 rotation connections with first round pin of all of second connecting rod 6, 4 bottoms of first round pin pass second connecting rod 6 and first connecting rod 5 in proper order and stretch out first connecting rod 5, and second round pin 7 on the first fixed plate 2 stretches out first connecting rod 5, and second round pin on the second fixed plate 3 stretches out second connecting rod 6, and first round pin 4 and 7 bottoms of second round pin all are provided with axle circlip 8 and are used for the locking of first round pin 4 and second round pin 7.
The movable joint-spanning plate 1 is composed of a rectangular head part and a trapezoidal tail part (refer to fig. 4, 6, 12 and 14), a damping material is filled in a gap between the rectangular head part and the first fixing plate 2 and the second fixing plate 3, the damping material is a semi-solidified state substance such as lubricating grease, so that the movable joint-spanning plate can be lubricated and anti-corrosive, can provide certain sliding damping, can be used for filling the gap, and can be filled in the guide groove 9. (in addition, the movable joint-crossing plate 1 can also adopt an isosceles trapezoid-shaped movable joint-crossing plate, refer to fig. 16, so that the gap becomes smaller, which is beneficial to realizing seamless extension.)
(refer to fig. 5, 7, 13, 15) both sides of the movable cross-linking plate 1 always have a first gap (refer to fig. 4) with the guide groove 9 in the moving process and the first and second links 5 and 6 have a second gap (refer to fig. 5) with the first and second mounting grooves 10 and 11.
First mounting groove 10 and second mounting groove 11 match the setting, and the angle of groove and the setting of size are guaranteed first connecting rod 5 and second connecting rod 6 all not all to be in when extreme position with first mounting groove 10 and second mounting groove 11 contact, and simultaneously, the extreme position that the vehicle walked the terminal expansion structure can be adjusted to the angle through setting up first mounting groove 10 and second mounting groove 11 and the size of guide way 9 (refer to fig. 12 ~ 15), can the angle of first mounting groove 10 and second mounting groove 11 of adaptability adjustment according to the numerical value of track roof beam all ring edge border difference in temperature.
The vehicle walks the face extending structure and still installs anti-bouncing device (refer to fig. 17), anti-bouncing device is including preventing jumper bar 15 and fixed block 14, fixed block 14 is installed the activity is striden seam board 1 dorsad the one side of the face is walked to the vehicle, and fixed block 14 strides seam board 1 welding or integrated into one piece with the activity, prevent jumper bar 15 and install on fixed block 14, and both ends all stretch out the seam board is striden in the activity, for the ease of the dismouting prevent jumper bar 15 and fixed block 14 and can adopt the screw to connect.
The utility model provides a suspension type single track telescoping device (refer to fig. 11), the telescoping device includes that two above-mentioned suspension type single track vehicles walk capable face extending structure, stiff end track case roof beam 12 and expansion end track case roof beam 13, stiff end track case roof beam 12 with expansion end track case roof beam 13 is door style of calligraphy frame type, stiff end track case roof beam 12 with there is the expansion joint, two between expansion end track case roof beam 13 the vehicle walks capable face extending structure and installs relatively stiff end track case roof beam 12 with the vehicle of expansion end track case roof beam inboard 13 walks on the capable face of vehicle, just shrouding 1 is located the wheel and walks the shape region (the wheel of vehicle is walked the expansion joint and is walked the shape region promptly), vehicle expansion joint face extending structure is used for realizing stiff end track case roof beam with the expansion end track case roof beam vehicle walks the expansion joint of capable face department.
A suspension type monorail track beam is provided with the suspension type monorail expansion device.
The utility model discloses a theory of operation: when the track roof beam is cooled and contracts, the first fixing plate 2 and the second fixing plate 3 move towards two sides to increase the expansion joint, the movable joint-crossing plate 1 moves towards the inner side of the track roof beam to fill the gap, when the track roof beam expands due to heating, the first fixing plate 2 and the second fixing plate 3 move towards two sides to increase the expansion joint, and the movable joint-crossing plate 1 moves towards the inner side of the track roof beam to fill the gap. No matter how freely the track beam deforms, the wheel deformation area has no gap, and therefore vibration can be eliminated. Because the movable joint spanning plate 1 is not directly connected with the edges of the first fixing plate 2 and the second fixing plate 3, but adopts a point connection mode, the locking state caused by the torsion of the track beam is directly avoided.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (9)
1. A telescopic structure of a running surface of a suspended monorail vehicle comprises a movable joint crossing plate, a first fixing plate and a second fixing plate, and is characterized in that the movable joint crossing plate is in sliding connection with the first fixing plate and the second fixing plate, a first connecting rod is arranged between the movable joint crossing plate and the first fixing plate, two ends of the first connecting rod are hinged to the movable joint crossing plate and the first fixing plate respectively, a second connecting rod is arranged between the movable joint crossing plate and the second fixing plate, and two ends of the second connecting rod are hinged to the movable joint crossing plate and the second fixing plate respectively.
2. The running surface telescopic structure of the suspended monorail vehicle as defined in claim 1, wherein the movable joint-spanning plate comprises a rectangular head portion and a trapezoidal tail portion, a gap is formed between the rectangular head portion and the first fixing plate and between the rectangular head portion and the second fixing plate, a damping material is filled in the gap, and the trapezoidal tail portion is slidably connected with the first fixing plate and the second fixing plate.
3. The overhead monorail vehicle running surface telescopic structure of claim 1, wherein the shape of the movable seam crossing plate is isosceles trapezoid or triangle.
4. The structure as claimed in claim 1, wherein the first and second fixing plates are provided with a guide slot on opposite sides thereof, the guide slot is a variable gap guide slot, the movable joint-spanning plate is slidably connected to the first and second fixing plates through the guide slot, the first and second fixing plates are provided with a first mounting slot on the side facing away from the vehicle running surface, the first mounting slot is provided with a second pin, the movable joint-spanning plate is provided with a second mounting slot matching with the first mounting slot on the side facing away from the vehicle running surface, the second mounting slot is provided with a first pin, and the first and second connecting rods are hinged to the first and second fixing plates through the first and second pins at both ends thereof, the movable joint-spanning plate is always located in the first mounting groove and the second mounting groove in the movement process of the first connecting rod and the second connecting rod, a first gap is always reserved between the movable joint-spanning plate and the guide groove in the movement process, and a second gap is reserved between the movable joint-spanning plate and the first mounting groove and between the movable joint-spanning plate and the second mounting groove.
5. The running surface telescopic structure of the suspended monorail vehicle as defined in claim 4, wherein a first counter bore is formed in the movable bridging plate, the first pin is inserted into the first counter bore, a second counter bore is formed in each of the first fixing plate and the second fixing plate, and the second pin is installed in the second counter bore.
6. The running surface telescopic structure of the suspended monorail vehicle as defined in claim 4, wherein said first pin sequentially penetrates said second connecting rod and said first connecting rod, and the end of said first pin extends out of said first connecting rod and is locked by a circlip for shaft, said end of said second pin on said first fixing plate extends out of said first connecting rod and is locked by a circlip for shaft, and said end of said second pin on said second fixing plate extends out of said second connecting rod and is locked by a circlip for shaft.
7. The running surface telescopic structure of the suspended monorail vehicle as defined in claim 4, further comprising an anti-jump device, wherein the anti-jump device comprises an anti-jump rod and a fixed block, the fixed block is mounted on a side of the movable cross seam plate, which is opposite to the running surface of the vehicle, the anti-jump rod is mounted on the fixed block, and two ends of the anti-jump rod extend out of the movable cross seam plate.
8. A suspended monorail expansion device, wherein said expansion device comprises two suspended monorail vehicle running surface expansion structures, a fixed end rail box beam and a movable end rail box beam as claimed in any one of claims 1-7, said fixed end rail box beam and said movable end rail box beam are both in a door frame shape, there are expansion joints between said fixed end rail box beam and said movable end rail box beam, two said vehicle running surface expansion structures are relatively installed on said fixed end rail box beam and said vehicle running surface on the inner side of said movable end rail box beam, and the movable cross sealing plate is located in the wheel running area.
9. A suspended monorail track beam, wherein said track beam is provided with a suspended monorail expansion device as defined in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921848061.8U CN209975272U (en) | 2019-10-31 | 2019-10-31 | Suspension type monorail vehicle walking surface telescopic structure, telescopic device and track beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921848061.8U CN209975272U (en) | 2019-10-31 | 2019-10-31 | Suspension type monorail vehicle walking surface telescopic structure, telescopic device and track beam |
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| Publication Number | Publication Date |
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| CN209975272U true CN209975272U (en) | 2020-01-21 |
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| CN201921848061.8U Active CN209975272U (en) | 2019-10-31 | 2019-10-31 | Suspension type monorail vehicle walking surface telescopic structure, telescopic device and track beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681354A (en) * | 2021-08-20 | 2021-11-23 | 北京工研精机股份有限公司 | Feedback element mounting structure and ultra-precise hydrostatic guide rail applying same |
-
2019
- 2019-10-31 CN CN201921848061.8U patent/CN209975272U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681354A (en) * | 2021-08-20 | 2021-11-23 | 北京工研精机股份有限公司 | Feedback element mounting structure and ultra-precise hydrostatic guide rail applying same |
| CN113681354B (en) * | 2021-08-20 | 2022-05-20 | 北京工研精机股份有限公司 | Feedback element mounting structure and ultra-precise hydrostatic guide rail applying same |
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Effective date of registration: 20210518 Address after: 610000 Industrial Development Zone of Southwest Airport Economic Development Zone, Shuangliu District, Chengdu City, Sichuan Province Patentee after: HEIDONG TECHNOLOGY Co.,Ltd. Address before: 610000 North Section of Tianfu Avenue, Chengdu High-tech Zone, Sichuan Province Patentee before: ZTSR TECHNOLOGY Co.,Ltd. |