CN213978393U - Straddle type single-rail beam-changing turnout - Google Patents
Straddle type single-rail beam-changing turnout Download PDFInfo
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- CN213978393U CN213978393U CN202022965159.0U CN202022965159U CN213978393U CN 213978393 U CN213978393 U CN 213978393U CN 202022965159 U CN202022965159 U CN 202022965159U CN 213978393 U CN213978393 U CN 213978393U
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Abstract
The utility model provides a straddle type single-rail beam-changing turnout, which comprises a straight beam, a curved beam, a trolley, a fixed end buttress beam, a movable end buttress beam, a driving device, a connecting pull rod and a hinge shaft device; the fixed end pile beam, the movable end pile beam and the driving device are all arranged on a turnout foundation; the two fixed end stacked beams are respectively connected with the first ends of the straight beam and the curved beam; the movable end buttress beam is connected with the second end of the straight beam or the curved beam; the straight beam and the curved beam are connected through a connecting pull rod; the bottoms of the straight beam and the curved beam are provided with a plurality of trolleys with rollers; one end of the hinge shaft device is arranged on the turnout foundation, and the other end of the hinge shaft device is connected with the straight beam or the curved beam. The utility model discloses in, replace electric putter as drive arrangement with swing guide arm mechanism, and arrange the back end at the switch roof beam, can effectively improve the switch precision of switch and reduce the switch debugging degree of difficulty, simultaneously because there is certain clearance between swing arm gyro wheel and the guide slot, can effectively reduce the straight roof beam deformation that brings because of the ambient temperature changes produced extra load to drive arrangement.
Description
Technical Field
The utility model relates to a stride a formula monorail transit track technical field, concretely relates to stride a formula single track and trade beam type switch.
Background
The light rail is an important component in urban rail transit, and can well solve the problem of traffic congestion in cities with large relative altitude difference, dense population, narrow roads, multiple curves and urgent traffic congestion. In particular to a straddle type monorail traffic light rail which is more suitable for the traffic condition of modern cities.
The utility model patent application publication of Chinese patent publication No. CN 105155366B discloses a straddle type single-rail replacement beam turnout structure and a turnout switching method, the patent drive adopts an electric push rod, and the electric push rod is arranged at the position of the span of the turnout beam, the stroke of the electric push rod is pushed by 1mm, then the tail end of the turnout beam moves by 2mm, and the integral switching precision of the turnout is difficult to control; and the turnout beam can generate large extra load to the electric push rod after being deformed due to factors such as temperature and the like, and the service life of the electric push rod is influenced.
The utility model discloses an asynchronous roof beam type switch that trades of monorail transit is disclosed in chinese patent publication No. CN 107604774A's utility model patent application publication, and this patent adopts two motors to drive respectively straight beam and curved beam, realizes asynchronous roof beam that trades, nevertheless also consequently causes with high costs, and control is complicated, and the safety and stability is not high, is unfavorable for the long-term steady operation of switch.
In view of the above, there is a great need for a straddle type single-rail beam-changing turnout to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a straddle type single track trades roof beam type switch can solve current switch goat precision lower, the too big scheduling problem of electric putter atress.
In order to realize the aim, the utility model provides a straddle type monorail beam-changing turnout which comprises a straight beam, a curved beam, a trolley, a fixed end buttress beam, a movable end buttress beam, a driving device, a connecting pull rod and a hinge shaft device; the fixed end buttress beam and the movable end buttress beam are arranged on a turnout foundation; the two fixed end stacked beams are respectively connected with the first end of the straight beam and the first end of the curved beam; the movable end buttress beam is connected with the second end of the straight beam or the second end of the curved beam; the straight beam and the curved beam are connected through a connecting pull rod; the bottoms of the straight beam and the curved beam are provided with a plurality of trolleys, and the trolleys are provided with rollers and can roll on the track of the turnout foundation rail; one end of the hinge shaft device is arranged on the turnout foundation, and the other end of the hinge shaft device is connected with the straight beam or the curved beam and is used as a rotating center of the straight beam or the curved beam;
the driving device is arranged on a turnout foundation and comprises a motor, a speed reducer and a swing arm; the motor is connected with an input shaft of the speed reducer, one end of the swing arm is connected with an output shaft of the speed reducer, the other end of the swing arm is connected with a roller, a guide groove is formed in the bottom of the straight beam in the length direction of the straight beam, and the roller of the swing arm can roll in the guide groove.
Further, the hinge shaft device comprises a hinge shaft assembly, a rotating shaft assembly and a bearing; the hinge shaft assembly is fixedly installed on the turnout foundation, one end of the rotating shaft assembly is connected to a trolley at the bottom of the straight beam or the curved beam, and the other end of the rotating shaft assembly is rotatably connected with the hinge shaft assembly through a bearing.
Furthermore, the turnout also comprises a locking device; the locking device comprises a locking groove, a locking pin and an electric push rod; the lock groove is arranged on the trolleys at the head ends of the straight beam and the curved beam; the lock pin and the electric push rod are arranged at the end part of the movable end buttress beam and connected, and when the straight beam or the curved beam is in butt joint with the movable end buttress beam, the electric push rod pushes the lock pin to be inserted into the lock groove of the movable end buttress beam.
Furthermore, the turnout also comprises a joint plate, wherein the joint plate is arranged at the end part of the movable end buttress beam, and when the straight beam or the curved beam is in butt joint with the movable end buttress beam, the joint plate is lapped at the end part of the straight beam or the curved beam, so that the movable end buttress beam and the straight beam or the curved beam are in smooth transition.
Furthermore, the bottom of the joint plate is connected with a guide rod, and a guide sleeve matched with the guide rod is arranged on the movable end buttress beam; the other end of the guide rod is connected with a guide block, and a guide groove plate with a guide groove is arranged on the lock pin; the guide block can move in the guide groove, an included angle is formed between the length direction of the guide groove and the motion direction of the lock pin, and the electric push rod pushes the lock pin to move along the horizontal direction and simultaneously drives the guide rod to lift.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses in, replace electric putter as drive arrangement with swing guide arm mechanism, and arrange the back end at the switch roof beam, can effectively improve the switch precision of switch and reduce the switch debugging degree of difficulty, simultaneously because there is certain clearance between swing arm gyro wheel and the guide slot, can effectively reduce the straight beam deformation that brings because of ambient temperature changes produced extra load to drive arrangement, the combination that the motor adds the speed reducer also is favorable to the device's localization and reduce cost.
(2) The utility model discloses in, link joint board and locking device together to the upper and lower position of joint board is restricted to the guide slot through the guide way board, makes joint board up-and-down motion accurate, controllable, has solved the potential safety hazard that traditional upset finger board can't fall down because of the card hinders, and very steady noiselessness during the operation.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a straddle type monorail beam-changing turnout;
fig. 2(a) is a switching action schematic (positive line communication) of a straddle type monorail beam-changing turnout;
FIG. 2(b) is a schematic diagram of the switching action (lateral line communication) of the straddle type monorail beam-changing turnout;
FIG. 3 is a locking device and seam plate;
FIG. 4 is a drive device;
fig. 5 is a hinge shaft device;
the turnout comprises 100 parts of a fixed end pile beam, 200 parts of a hinge shaft device, 201 parts of a hinge shaft assembly, 202 parts of a rotating shaft assembly, 203 parts of a bearing, 300 parts of a straight beam, 400 parts of a curved beam, 500 parts of a trolley, 600 parts of a connecting pull rod, 700 parts of a driving device, 701 parts of a motor, 702 parts of a speed reducer, 703 parts of a swing arm, 800 parts of a locking device, 801 parts of an electric push rod, 802 parts of a locking groove, 803 parts of a joint plate, 900 parts of a movable end pile beam, 1000 parts of a turnout foundation.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
as shown in fig. 1 to 5, a straddle type monorail beam-changing turnout comprises a straight beam 300, a curved beam 400, a trolley 500, a fixed end buttress beam 100, a movable end buttress beam 900, a driving device 700, a connecting pull rod 600, a hinge shaft device 200, a locking device 800 and a joint plate 803.
The fixed end buttress beam 100 and the movable end buttress beam 900 are arranged on a turnout foundation 1000 and are used as transition beams between the track beam and the turnout beam; the two fixed end buttress beams 100 are respectively connected with the first end of the straight beam 300 and the first end of the curved beam 400; the movable end-stack beam 900 is connected to the second end of the straight beam 300 or the second end of the curved beam 400.
As shown in fig. 2(a), the straight beam 300 is used for the turnout to communicate with the main line of the track beam, as shown in fig. 2(b), the curved beam 400 is used for the turnout to communicate with the side line of the track beam, and the straight beam 300 and the curved beam 400 are connected through the connecting pull rod 600.
The bottoms of the straight beam 300 and the curved beam 400 are provided with a plurality of trolleys 500, and the trolleys 500 are provided with rollers which can roll on the track of the turnout foundation 1000 and are supporting and moving components of the turnout.
One end of the hinge shaft device 200 is installed on the turnout foundation 1000, and the other end is connected with the straight beam 300 or the curved beam 400 to be used as a rotating center of the straight beam 300 or the curved beam 400; as shown in fig. 5, the hinge shaft device 200 includes a hinge shaft assembly 201, a rotating shaft assembly 202 and a bearing 203; the hinge shaft assembly 201 is fixedly installed on the turnout foundation 1000, one end of the rotating shaft assembly 202 is connected to the trolley 500 at the bottom of the straight beam 300 or the curved beam 400, and the other end is rotatably connected with the hinge shaft assembly 201 through the bearing 203.
The driving device 700 is installed on the turnout foundation 1000, as shown in fig. 4, the driving device 700 comprises a motor 701, a speed reducer 702 and a swing arm 703; the motor 701 is connected with an input shaft of the speed reducer 702, one end of the swing arm 703 is connected with an output shaft of the speed reducer 702, the other end of the swing arm 703 is connected with a roller, and the bottom of the straight beam 300 is provided with a guide groove arranged along the length direction of the straight beam 300; the driving device 700 is a swing guide rod mechanism, the motor 701 and the speed reducer 702 drive the swing arm 703 to swing left and right, the roller of the swing arm 703 rolls in the guide groove below the straight beam 300, so as to drive the straight beam 300 to rotate around the rotation point of the tail end, and the straight beam 300 drives the curved beam 400 to rotate synchronously through the connecting pull rod 600.
The locking device 800 comprises a locking groove 802, a locking pin and an electric push rod 801; the lock groove 802 is arranged on the trolley 500 at the head ends of the straight beam 300 and the curved beam 400; the locking pin and the electric push rod 801 are arranged at the end part of the movable end buttress beam 900, the locking pin is connected with the electric push rod 801, and when the straight beam 300 or the curved beam 400 is butted with the movable end buttress beam 900, the electric push rod 801 pushes the locking pin to be inserted into the locking groove 802 of the movable end buttress beam 900.
The joint plate 803 is provided at the end of the movable end stack beam 900, and when the straight beam 300 or the curved beam 400 is butted with the movable end stack beam 900, the joint plate 803 is lapped at the end of the straight beam 300 or the curved beam 400, so that the movable end stack beam 900 and the straight beam 300 or the curved beam 400 are smoothly transited.
The bottom of the joint plate 803 is connected with a guide rod, and a guide sleeve matched with the guide rod is arranged on the movable end buttress beam 900; the other end of the guide rod is connected with a guide block, and a guide groove plate with a guide groove is arranged on the lock pin; the guide block can move in the guide groove, the length direction of the guide groove forms an included angle with the motion direction of the lock pin, and the electric push rod 801 pushes the lock pin to move along the horizontal direction and simultaneously drives the guide rod to lift. When the locking mechanism performs locking operation, the lock pin advances and drives the joint plate 803 to move downwards; when the locking mechanism is unlocked, the lock pin retreats and drives the joint plate 803 to lift up.
The whole turnout switching action process is as follows:
when the switch needs to be switched, the locking device is unlocked according to a switch instruction, after the unlocking is completed, the motor of the driving device operates to drive the swing arm to swing, the swing arm roller rolls in the straight beam guide groove to drive the straight beam to rotate around the rotation point of the tail end, the straight beam drives the curved beam to synchronously rotate around the rotation point of the tail end through the connecting pull rod, the switch is driven to stop running after being in place, the locking device is locked according to the locking instruction, and the switch is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A straddle type monorail beam-changing turnout is characterized by comprising a straight beam, a curved beam, a trolley, a fixed-end buttress beam, a movable-end buttress beam, a driving device, a connecting pull rod and a hinge shaft device; the fixed end buttress beam and the movable end buttress beam are arranged on a turnout foundation; the two fixed end stacked beams are respectively connected with the first end of the straight beam and the first end of the curved beam; the movable end buttress beam is connected with the second end of the straight beam or the second end of the curved beam; the straight beam and the curved beam are connected through a connecting pull rod; the bottoms of the straight beam and the curved beam are provided with a plurality of trolleys, and the trolleys are provided with rollers and can roll on the track of the turnout foundation rail; one end of the hinge shaft device is arranged on the turnout foundation, and the other end of the hinge shaft device is connected with the straight beam or the curved beam and is used as a rotating center of the straight beam or the curved beam;
the driving device is arranged on a turnout foundation and comprises a motor, a speed reducer and a swing arm; the motor is connected with an input shaft of the speed reducer, one end of the swing arm is connected with an output shaft of the speed reducer, the other end of the swing arm is connected with a roller, a guide groove is formed in the bottom of the straight beam in the length direction of the straight beam, and the roller of the swing arm can roll in the guide groove.
2. The straddle-type monorail beam-changing turnout of claim 1, wherein the hinge shaft device comprises a hinge shaft assembly, a rotating shaft assembly and a bearing; the hinge shaft assembly is fixedly installed on the turnout foundation, one end of the rotating shaft assembly is connected to a trolley at the bottom of the straight beam or the curved beam, and the other end of the rotating shaft assembly is rotatably connected with the hinge shaft assembly through a bearing.
3. The straddle-type monorail beam-changing turnout of claim 1 or 2, further comprising a locking device; the locking device comprises a locking groove, a locking pin and an electric push rod; the lock groove is arranged on the trolleys at the head ends of the straight beam and the curved beam; the lock pin and the electric push rod are arranged at the end part of the movable end buttress beam and connected, and when the straight beam or the curved beam is in butt joint with the movable end buttress beam, the electric push rod pushes the lock pin to be inserted into the lock groove of the movable end buttress beam.
4. The straddle-type monorail beam-changing turnout of claim 3, further comprising a joint plate, wherein the joint plate is arranged at the end part of the movable end buttress beam, and when the straight beam or the curved beam is butted with the movable end buttress beam, the joint plate is lapped at the end part of the straight beam or the curved beam, so that the movable end buttress beam and the straight beam or the curved beam are in smooth transition.
5. The straddle-type monorail beam-changing turnout of claim 4, wherein a guide rod is connected to the bottom of the joint plate, and a guide sleeve matched with the guide rod is arranged on the movable end buttress beam; the other end of the guide rod is connected with a guide block, and a guide groove plate with a guide groove is arranged on the lock pin; the guide block can move in the guide groove, an included angle is formed between the length direction of the guide groove and the motion direction of the lock pin, and the electric push rod pushes the lock pin to move along the horizontal direction and simultaneously drives the guide rod to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965159.0U CN213978393U (en) | 2020-12-09 | 2020-12-09 | Straddle type single-rail beam-changing turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965159.0U CN213978393U (en) | 2020-12-09 | 2020-12-09 | Straddle type single-rail beam-changing turnout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213978393U true CN213978393U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022965159.0U Active CN213978393U (en) | 2020-12-09 | 2020-12-09 | Straddle type single-rail beam-changing turnout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213978393U (en) |
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- 2020-12-09 CN CN202022965159.0U patent/CN213978393U/en active Active
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