CN102101480B - Rail Transit Line Changing Equipment - Google Patents

Abstract

The invention relates to track traffic lane changing equipment suitable for the whole lane changing of a multi-section marshalling vehicle, comprising a mobile bearing mechanism, a driving mechanism, travel mechanisms, a locking mechanism and a detection and control system. The mobile bearing mechanism is supported by a plurality of pivot points at which the travel mechanisms are arranged, all (or part) of the pivot points are provided with the driving mechanism and the locking mechanism, and the travel mechanisms and the driving mechanism are separately arranged. The invention can realize the lane changing function of the multi-section marshalling vehicle or the whole train, greatly improve the operation efficiency of the whole train and reduce the area of a shunting operation area and the radiation length of an auxiliary line so as to decrease engineering manufacture cost; the control system can ensure the synchronization of the travel mechanisms driven at the pivot points in the translation process of the lane changing equipment and keep the linear state of the whole travelling girder; the locking mechanism can ensure the line shapes of the in-place lane changing equipment and the adjacent track; and the travel mechanisms and the driving mechanism are separately arranged, the stress of axes is relatively simple and can not generate adverse effect on the use of racks and pinions.

Description

Rail Transit Line Changing Equipment

technical field

The invention relates to a line changing device in the rail transit industry, in particular to a line changing device suitable for changing lines of multi-section marshalling vehicles.

Background technique

During the shunting operation of the main line, auxiliary line, and vehicle base of the urban rail maglev transportation, the turnout group can be used to realize the train line change. The turnouts of low-speed maglev traffic are long, so it is difficult to arrange turnout groups under the condition of limited available land. In the case of vehicle manufacturing and maintenance on traditional railways, in order to save land occupation, line changing equipment is used to translate single-section locomotives or single-section passenger cars. Patent ZL 200720131780.9 discloses a locomotive line change equipment that is convenient for a single locomotive to change lines on multiple tracks in the test warehouse area. The line change equipment is composed of a main frame, a bridge flap assembly, a walking assembly and a control room; The line equipment runs to the target track according to the requirements, opens the bridge flap when approaching the target track, and docks with the target track when it stops; the wheel set rotates synchronously during the running of the line changing equipment. Patent ZL 200620161519.9 discloses a wire changing device used in the manufacture or maintenance of single-section locomotives and single-section passenger cars, including steel structure frames, bearing housings, motors, couplings, reduction boxes, transmission shafts and wheel sets, etc. Equipment: After the motor is started, the wheels rotate, driving the steel structure frame of the customer repair and replacement line equipment to run, so as to achieve the purpose of moving the car.

For the whole train or multi-section marshalled vehicles, a simple combination of multiple traditional railway locomotive (passenger car) line changing equipment can be used, that is, each car is composed of a main frame similar to the locomotive line changing equipment, walking assembly, etc. , the moving beam may be a steel beam, but this combination has the following disadvantages: there is no reliable connection between the main frames, and the configuration of the traveling assembly and its control equipment is complicated, making it difficult to realize the synchronous rotation of each traveling wheel pair, and the cost is high; Due to the small rigidity and light weight of the steel beam, and the long excitation time of the train on the beam body, it will cause large vibrations, which is not good for the line changing equipment and the life of the vehicle; and the cumulative temperature difference deformation of the overall steel beam at the beam end is relatively large At the same time, when the train passes at low speed, the running wheel of the moving mechanism is coaxial with the gear of the driving mechanism, and the vertical load when the train passes through the line change equipment will cause damage to the rack and pinion, affecting the service life.

Contents of the invention

The rail transit line change equipment provided by the present invention can provide line change for multi-section vehicles or entire trains between multiple different tracks in occasions such as main lines, auxiliary lines, vehicle manufacturing and maintenance plants, and vehicle maintenance bases.

In order to achieve the above object, the present invention provides a rail transit line change equipment, including a mobile carrying mechanism, a driving mechanism, a running mechanism, a locking mechanism, a detection and control system, and under the action of the control system, the driving mechanism and the running mechanism realize the movement of the carrying mechanism. (including the train on it) linear synchronous translation to complete the translation and line change of multi-section marshalling vehicles.

The mobile carrying mechanism is supported by several fulcrums, and a running mechanism is arranged at each fulcrum, and a driving mechanism and a locking mechanism are arranged at all or part of the fulcrums.

The mobile bearing mechanism of each fulcrum maintains high synchronization accuracy during the lateral movement to ensure the safety of the trains carried.

The mobile carrying mechanism includes several moving beams and devices for fixing the beams.

When the moving beam is a simply supported structure, the support can release the temperature deformation of the moving beam through the connection between the support and the running beam; when the moving beam is a continuous structure, the temperature deformation can be released from the running mechanism.

The connection mechanism ensures the safety of the beam body during translation of the wire changing equipment.

The drive mechanism includes a drive beam, and also includes gears, gear shafts, traversing reduction motors and racks, the gear shaft passes through the drive beam, one end of which is connected to the gear, and the other end is connected to the traversing reduction motor , the rack is fixedly installed on the ground, and the gear meshes with the rack.

The running mechanism includes a running beam, and also includes matching running wheels, running wheel axles and running tracks, the beam is connected to the running beam through bolt groups, the running wheel shaft is installed on the running beam through a bearing seat, and the running wheel shaft is fixedly connected to the running wheel , the running track is fixedly installed on the ground, the running wheel rolls along the running track under the action of external force, and the running track is installed parallel to the rack.

The gear shaft transmits the torque of the traversing reduction motor, and the traveling wheel shaft bears the weight of the train and the moving beam. The driving mechanism and the running mechanism are set separately, the driving mechanism (2) is responsible for driving the line changing equipment to move laterally, and the running mechanism (3) bears the vertical load from the vehicle and the mobile bearing mechanism, not only makes the gear shaft The stress of the wheel and the running wheel shaft is simple and not easy to damage, and it also ensures that the vertical dynamic load when the train passes does not affect the use of the gear and the rack.

The locking mechanism includes several vertical locking components, horizontal locking components and longitudinal locking components, which respectively perform vertical locking, horizontal locking and longitudinal locking on the wire changing equipment.

The vertical locking assembly, the horizontal locking assembly and the longitudinal locking assembly respectively comprise a latch seat, a roller, a latch box, a latch rod and a latch driving device.

The detection and control system circuit is connected with the drive mechanism and the locking mechanism. The detection and control system includes a number of in-position detection elements respectively arranged at the fulcrums to monitor the positions of the lock pin and the beam. The detection and control system also includes Contains control equipment installed in the control room.

When the line-changing equipment is in the locked state, the lock pin rods of each fulcrum are inserted into the corresponding rollers, and the whole train moves to the line-changing equipment. After the whole train stops, the detection and control system selects the target track, and the lock pin driving device starts , drive the lock pin lever to pull out from the drum.

After receiving the instructions from the detection and control system, the lock pin driving device starts, and the torque is transmitted to the gear through the gear shaft. direction movement, the traveling beam pushes the traveling wheel axle to roll, and the traveling wheel fixedly connected to the traveling wheel axle rolls along the traveling track to the target position.

After the wire changing equipment reaches the target position, the detection and control system controls the traversing reduction motor to stop working, and the lock pin driving device starts to drive the lock pin rod to insert into the drum of the target position line; the locked line has a good straight line shape, and the line change After the equipment reaches the target position, it can be accurately docked with the adjacent fixed track.

When the line changing equipment moves between the target tracks, the sensor installed on the traversing motor will provide the control system with information such as the actual speed and position of the corresponding motor, so that the control system can perform synchronous control, so it can ensure that the fulcrum motors run at the same speed .

The invention can be applied to the main line of the line, the auxiliary line, the vehicle manufacturing and maintenance plant, the depot, and the vehicle maintenance base (providing a comprehensive place for maintenance, cleaning, unloading, and parking of the vehicle), etc., which require multiple vehicles or the entire train to be on different tracks. Compared with turnouts (groups), the present invention has the following advantages in the case where the corresponding operations are completed or the entire line is changed: first, the area of the shunting operation area and the radiation length of the auxiliary lines are reduced; Under certain conditions (such as urban areas), the applicability of line change equipment is better than that of turnouts (groups), and the overall cost is also lower; third, for urban rail maglev transportation systems, the length of turnouts is longer, and the use of line change equipment It saves much space than using turnouts.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the fulcrum structure of the present invention.

Fig. 3 is a carrying mechanism suitable for low-speed maglev traffic according to the present invention.

Fig. 4 is a structural schematic diagram of the driving mechanism and the traveling mechanism of the present invention.

Fig. 5 is a structural schematic diagram of the locking mechanism of the present invention.

Fig. 6 is a structural schematic diagram of the speed measuring and positioning element of the present invention.

Detailed ways

A preferred embodiment of the present invention will be specifically described below with reference to FIGS. 1 to 6 .

As shown in Figure 1, it is a kind of rail transit line changing equipment provided by the present invention, and this line changing equipment comprises:

Mobile carrying mechanism 1, driving mechanism 2, running mechanism 3, locking mechanism 4, detection and control system 5.

As shown in FIG. 2 , the mobile carrying mechanism 1 is supported by several fulcrums, and each fulcrum is provided with a traveling mechanism 3 , a driving mechanism 2 and a locking mechanism 4 .

As shown in Figure 3, the mobile carrying mechanism 1 includes several moving beams 1-1 and devices for fixing the beams, and the devices for fixing the beams include a support 1-2 arranged at the bottom of the moving beams 1-1, It also includes stoppers 1-3, which are arranged on the drive mechanism 2.

The moving beam 1-1 is a concrete beam with simply supported structure.

The support 1-2 connects the moving beam 1-1 and the driving mechanism 2, and the support 1-2 can release the temperature deformation of the moving beam 1-1.

The stoppers 1-3 ensure the safety of the beam body during the translation process of the wire changing equipment.

As shown in Figure 4, the drive mechanism 2 includes a drive beam 2-1, and also includes a gear 2-2, a gear shaft 2-3, a traverse reduction motor 2-4, and a rack 2-5 provided in matching numbers, The gear shaft 2-3 passes through the driving beam 2-1, one end of which is connected with the gear 2-2, and the other end is connected with the traversing reduction motor 2-4, the rack 2-5 is fixedly installed on the ground, and the gear 2- 2 meshes with rack 2-5.

The running mechanism 3 includes a running beam 3-1, and also includes a matching number of running wheels 3-2, running wheel shafts 3-3 and running tracks 3-4, and the running beam 2-1 and the running beam 3-1 pass through the bolt group Connected, the traveling wheel shaft 3-3 is installed on the traveling beam 3-1 through the bearing seat, the traveling wheel shaft 3-3 is fixedly connected with the traveling wheel 3-2, the traveling track 3-4 is fixedly installed on the ground, and the traveling wheel 3-2 is on the Movement within the walking track 3-4.

The gear shaft 2-3 transmits the torque of the traversing reduction motor 2-4, and the traveling wheel shaft 3-3 bears the weight of the train and the moving beam 1-1. 2-3 and the running wheel shaft 3-3 are easily stressed and not easily damaged, and also ensure that the vertical dynamic load when the train passes does not affect the use of the gear 2-2 and the rack 2-5.

As shown in Figure 5, the vertical locking assembly, the horizontal locking assembly and the longitudinal locking assembly of the locking mechanism 4 respectively include a lock pin seat 4-1 fixedly installed on the ground, and a roller set on the lock pin seat 4-1. 4-2, the lock box 4-3 installed in the middle of the beam 3-1, the lock bar 4-4 passing through the lock box 4-3, the lock drive device 4 arranged on the lock bar 4-4 -5. The lock pin driving device 4-5 can be an electric motor or a hydraulic cylinder.

As shown in Figures 5 and 6, the detection and control system 5 is electrically connected to the drive mechanism 2 and the locking mechanism 4, and the detection and control system 5 includes a number of in-position detection elements respectively arranged at the fulcrums. The detection element includes an incremental encoder 5-2 respectively arranged on the traverse reduction motor 2-4, an absolute encoder 5-3 arranged on the output shaft of the traverse reduction motor 2-4, and an absolute value encoder 5-3 arranged on the lock pin driving device. The absolute encoder 5-4 on the 4-5, the incremental encoder 5-2 measures the rotational speed of the traversing reduction motor 2-4, and the absolute encoders 5-3 and 5-4 respectively measure the speed of the driving mechanism 2 and the position of the locking mechanism 4, the control equipment installed in the control room 5-1 includes a controller, a frequency converter and an operating computer.

When the line-changing equipment is in the locked state, the lock pin rods 4-4 of each fulcrum are inserted into the corresponding rollers 4-2, and the whole train runs to the line-changing equipment. After the whole train stops, the detection and control system 5 selects the target Track, lock pin driving device 4-5 starts, and drives lock pin bar 4-4 to extract from cylinder 4-2.

After receiving the instructions from the detection and control system 5, the traversing reduction motor 2-4 is started, and the torque is transmitted to the gear 2-2 through the gear shaft 2-3, and the gear 2-2 rolls along the rack 2-5 to the direction of the target track , the driving beam 2-1 and the running beam 3-1 pushed by the gear shaft 2-3 also move along the direction of the rack, the running beam 3-1 pushes the running wheel shaft 3-3 to roll, and is fixedly connected with the running wheel shaft 3-3 Walking wheel 3-2 then rolls toward target position along walking track 3-4.

After the wire changing equipment reaches the target position, the detection and control system 5 controls the traverse reduction motor 2-4 to stop working, and the lock pin driving device 4-5 starts to drive the lock pin rod 4-4 to insert into the drum 4-2 of the target position line .

After the traversing reduction motor 2-4 stops working, if the wire changing equipment has not yet reached the target position, since the lock pin rod 4-4 has sufficient rigidity, the lock pin driving device 4-5 also has sufficient power to drive the moving beam 1-1 Continue to translate to the target position and lock it. The locked line has a good straight line shape, and the line changing device can accurately dock with the adjacent fixed track 6 after reaching the target position.

When the line-changing equipment moves between the target tracks, the controller instructs the inverters of each motor to adjust the motor speed according to the motor speed information measured by the incremental encoder 5-1 and the absolute value encoder 5-2, so as to realize the high speed of the motor. Precision synchronous operation.

Moving beam 1-1 of the present invention can also adopt continuous concrete beam or continuous steel-concrete combined beam except adopting simply supported concrete or steel-concrete combined beam; In addition to using concrete beams and steel-concrete composite beams, steel beams with added vibration reduction measures can also be used.

The driving mechanism of the present invention can adopt the form of directly driving the load-bearing wheels, the form of linear motor drive, the form of hydraulic motor drive, the form of chain drive or the form of driving with hoisting machine with steel wire rope and so on.

The present invention has the following advantages:

1. Compared with the traditional line changing equipment, which can only carry out the line changing operation of a single vehicle, the present invention can realize the function of directly changing lines of multi-section marshalling vehicles or the entire train, greatly improving the overall operating efficiency, and at the same time meeting the requirements of maglev Key functional requirements required for transportation.

2. It is suitable for various occasions that require multi-section marshalling vehicles to change lines, such as main lines, auxiliary lines, vehicle manufacturing and maintenance plants, and vehicle bases.

3. Compared with the traditional form of turnout group transfer line, the present invention can reduce the area occupied by the line, thereby reducing the total construction cost of the project.

4. The moving beam adopts a simply supported beam, and the temperature difference deformation can be released at each fulcrum.

5. Each fulcrum is equipped with a driving mechanism, a running mechanism, a locking mechanism and a speed measuring and positioning element, which not only ensures the synchronization of the driving mechanism of each fulcrum during the translation process of the line changing equipment and the straight line state of the entire moving beam, but also ensures that the line changing equipment is in place. Alignment with adjacent tracks.

6. The traveling wheel shaft is separated from the gear shaft, and the force on the shaft is relatively simple, which will not have adverse effects on the use of the rack and pinion.

Although the content of the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as limiting the present invention. Various modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the above disclosure. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims (12)

1. a track traffic lane changing equipment is characterized in that, this lane changing equipment comprises mobile load carrier (1), driver train (2), running mechanism (3), lockout mechanism (4), detection and control system (5); Under detection and control system (5) effect, driver train (2) and running mechanism (3) are realized the straight line synchronous translational of mobile load carrier (1), finish the translation thread-changing of more piece marshalling vehicle;

Described lockout mechanism (4) comprises some vertical locked components, lateral locking assembly and vertical locked component, respectively to lane changing equipment vertically lock, lateral locking and vertically locking;

Described vertical locked component, lateral locking assembly and vertical locked component comprise respectively locking pin seat (4-1), cylinder (4-2), lock pin case (4-3), lock pin bar (4-4) and lock pin driving device (4-5).

2. lane changing equipment as claimed in claim 1, it is characterized in that, described mobile load carrier (1) is by some point supportings, each described fulcrum place all arranges running mechanism (3), all or part fulcrum place arranges driver train (2) and lockout mechanism (4), the mobile load carrier of each fulcrum keeps in traversing process synchronously, to guarantee the safety of contained train.

3. lane changing equipment as claimed in claim 1 is characterized in that, described driver train (2) comprises and drives crossbeam (2-1), also comprises gear (2-2), gear wheel shaft (2-3), traversing reducing motor (2-4) and the tooth bar (2-5) of supporting setting;

Described gear wheel shaft (2-3) passes and drives crossbeam (2-1), and the one end links to each other with gear (2-2), and the other end links to each other with traversing reducing motor (2-4), and tooth bar (2-5) fixedly mounts on the ground, gear (2-2) and tooth bar (2-5) engagement.

4. lane changing equipment as claimed in claim 3 is characterized in that, described running mechanism (3) comprises traveling crossbeam (3-1), also comprises walking wheel (3-2), traveling wheel shaft (3-3) and the walking rails (3-4) of supporting setting;

Described driving crossbeam (2-1) links to each other by Bolt with traveling crossbeam (3-1), traveling wheel shaft (3-3) is installed on the traveling crossbeam (3-1) by bearing seat, traveling wheel shaft (3-3) is captiveed joint with walking wheel (3-2), walking rails (3-4) fixedly mounts on the ground, and walking wheel (3-2) moves in walking rails (3-4).

5. lane changing equipment as claimed in claim 1, it is characterized in that, driver train (2) and running mechanism (3) minute are arranged, and described driver train (2) is born and driven the traversing effect of lane changing equipment, and described running mechanism (3) is born the vertical load from vehicle, mobile load carrier.

6. lane changing equipment as claimed in claim 1 is characterized in that, described lock pin driving device (4-5) adopts electrical motor or hydraulic actuating cylinder.

7. lane changing equipment as claimed in claim 1 is characterized in that, described mobile load carrier (1) comprises the device that some trave lling girders (1-1) and fixed beam are used.

8. lane changing equipment as claimed in claim 7 is characterized in that, the device that described fixed beam is used comprises the bearing (1-2) that is arranged on trave lling girder (1-1) bottom, also comprises block (1-3), and this block is arranged on the driver train (2).

9. lane changing equipment as claimed in claim 7 is characterized in that, described trave lling girder (1-1) is freely-supported or continuous beam, adopts beams of concrete or has increased the girder steel of vibration reducing measure.

10. lane changing equipment as claimed in claim 9 is characterized in that, adopts the freely-supported pattern when adopting beams of concrete, adopts continuous beam type when adopting girder steel.

11. lane changing equipment as claimed in claim 2, it is characterized in that, described detection is connected 5 with control system) circuit connects described driver train (2), lockout mechanism (4), this detection and control system (5) comprise some detecting elements that put in place that are separately positioned on the fulcrum place, and this detection and control system (5) also comprise the control convenience that is installed in the control cabin (5-1).

12. lane changing equipment as claimed in claim 1 is characterized in that, described driver train (2) adopts the form that directly drives the bearing wheed traveling, perhaps linear electric motors drive form, perhaps fluid motor-driven form, perhaps chain drive, perhaps steel rope cooperates winch to drive.

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