WO2018049804A1

WO2018049804A1 - Vibration-damping suspension frame disassembling and assembling device for maglev train

Info

Publication number: WO2018049804A1
Application number: PCT/CN2017/077848
Authority: WO
Inventors: 李经伟; 李拥军; 邱建平; 叶正蓬; 张�浩; 杨勇; 殷勤; 郑青松; 李加祺
Original assignee: 中铁第四勘察设计院集团有限公司
Priority date: 2016-09-15
Filing date: 2017-03-23
Publication date: 2018-03-22

Abstract

Disclosed is a vibration-damping suspension frame disassembling and assembling device for a maglev train. The device comprises support columns (11), running wheel assemblies (34), a base (31), lifting mechanisms (33), a support table (32), a lifting rail (321), a left locking assembly (351) and a right locking assembly (352). A vibration damping assembly (4) comprises a first threaded cylinder (41), a screw rod (42), a handle (43), a force transmission cylinder (44), a second threaded cylinder (45), a lifting cylinder (46), a transmission rod (47), a connecting cylinder (48), a counterweight block (49) and a sealing cover (410). The present invention can achieve the disassembling and assembling of a maglev-train suspension frame, and the disassembling and assembling are very convenient. In addition, under normal circumstances, the present invention can also serve as a part of the rail in a maglev shed, thereby guaranteeing the normal running of a maglev train in an inspection and maintenance shed. With regard to the characteristic that during the magnetic levitation process of the maglev train, high-frequency adjustment of magnetic levitation clearance is prone to generate resonance with a lower structure, a middle support mechanism is provided, which achieves a good vibration damping effect. At the same time, when the maglev-train suspension frame needs to be disassembled and assembled, the lifting rail can drive the maglev-train suspension frame to lower, which facilitates the disassembling and assembling of the train suspension frame.

Description

Shock-absorbing magnetic suspension train suspension rack dismounting device

[Technical field]

The invention belongs to the field of magnetic levitation equipment, and more particularly to a suspension and disassembly device for a suspension magnetic levitation train.

[Background technique]

At present, China's medium and low-speed magnetic levitation traffic has the National Defense University Science and Technology University test line, the Qingcheng Mountain test line and the Tangshan test line, and the Changsha maglev project was officially opened in June 2016.

In the operation of a magnetic levitation vehicle, if there is a problem with the suspension of the magnetic levitation vehicle, the magnetic levitation vehicle needs to be driven to the maintenance track for repair or replacement. The maglev train suspension is one of the core components of the medium and low speed maglev train. After the train runs for a certain mileage, it must be separated from the vehicle body for maintenance. After the repair is completed, it needs to be reinstalled on the vehicle body.

The application No. 201510708210.0 discloses a disassembly and assembly device for a suspension train of a medium and low speed maglev train, which comprises a base, a support platform, a lifting rail, a lifting mechanism, a running wheel assembly and a locking assembly, etc., when the train is over, the main The vibration on the lifting rail is transmitted to the foundation through the support frame, the support plate and the support column for shock absorption. In addition, since the support plate is mounted on the support column, the support frame is detachably attached to the support table, and the support frame is bolted to the support column, so that after the support frame is connected to the support column, There is a gap between the upper and lower ends and the support table and the support plate, so that the vibration on the lifting rail is difficult to be transmitted to the foundation through the support frame and the support column, and it is difficult to achieve shock absorption. In addition, even if it can be transmitted to the foundation for damping, but because the lifting rail is relatively long, the supporting frame is mainly installed at the two ends of the lifting rail, and the middle part of the lifting rail has no damping measures, which also makes the middle of the lifting rail The vibration of the part is relatively large, and such a large vibration may damage the lifting rail and other parts on the disassembly equipment.

[Summary of the Invention]

In view of the above defects or improvement requirements of the prior art, the present invention provides a suspension and disassembly device for a suspension magnetic suspension train, wherein the weight can be in contact with the foundation, so that the lifting rail can be effectively reduced. The vibration.

In order to achieve the above object, according to the present invention, there is provided a shock absorbing magnetic suspension train suspension rack dismounting device, which is located above a foundation provided with a running rail, the longitudinal direction of the traveling rail being perpendicular to the longitudinal direction of the magnetic levitation track, including a support column, a running wheel assembly, a base, a lifting mechanism, a support platform, a lifting rail, a left locking assembly and a right locking assembly, the support column is vertically disposed and the lower end thereof is fixedly mounted on the foundation; the running wheel assembly is mounted on the a lifting mechanism is mounted on the base for driving the support table to move up and down; the support table is located above the base, and is disposed on two adjacent magnetic levitation rails The lifting rail, the left end of the supporting platform is connected to the floating rail located at the left side thereof by a left locking assembly, and the right end of the supporting platform is connected to the floating rail located at the right side thereof by a right locking assembly, Characterized by

Also included is a shock absorbing assembly between the left and right locking assemblies, the shock absorbing assembly including a first threaded barrel, a screw, a handle, a force transfer barrel, a second threaded barrel, a lift cylinder, a drive rod , a connecting cylinder, a weight and a sealing cover, wherein

The first threaded cylinder is vertically disposed, the top of which is fixedly mounted at the bottom end of the support table and the inner wall thereof is provided with an internal thread;

The screw is vertically disposed and is provided with external threads for mating with internal threads in the first threaded barrel such that the screw and the first threaded barrel are threaded together;

The handle is fixedly sleeved on the outer side of the screw for driving the screw to rotate, thereby adjusting the height of the screw;

The force transmission cylinder is vertically disposed and the top portion thereof is fixedly mounted at a lower end of the screw;

The upper and lower ends of the second threaded cylinder are open, and the lower end is fixedly mounted on the top end of the support table, and the top end thereof is provided with an external thread;

The lifting cylinder is vertically disposed, and an inner wall thereof is provided with an internal thread for engaging with the external thread of the second threaded cylinder top end, so that the lifting cylinder and the second threaded cylinder are screwed together, the lifting The top surface of the barrel is a curved surface;

The connecting barrel penetrates the lifting cylinder, the second threaded cylinder and the support table, and the lower end thereof Fixedly connecting the weight, the top end of the connecting cylinder is provided with a hole as a moving passage of the force transmission cylinder, the outer side of the connecting cylinder is provided with two rolling wheels and one of the rolling wheels is higher than the other rolling wheel At least one of the scroll wheels is always in contact with the curved surface of the top end of the lift cylinder;

The transmission rod is horizontally disposed and penetrates the lifting cylinder for driving the lifting cylinder to rotate, thereby adjusting the height of the lifting cylinder, and the rotation of the curved surface of the lifting cylinder can adjust two of the connecting cylinders The height of the rolling wheel, thereby adjusting the height of the connecting barrel and the weight;

The closure cap is hinged to the coupling barrel by a vertically disposed hinge shaft that is rotatable to a first position and a second position, the closure cap closing the first position A hole in the connecting barrel, in the second position, the closing cover opens a hole in the connecting barrel so that a lower end of the force transmitting barrel can enter the hole.

Preferably, the hinge shaft is provided with a split pin for limiting the position of the hinge shaft.

Preferably, the rolling wheel is a universal wheel.

Preferably, the handle comprises an annular ring and a plurality of rods disposed on the outer wall of the annular ring, the annular ring being fixedly sleeved on the screw.

In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

1) The disassembly and assembly equipment of the invention can realize the disassembly and assembly action of the suspension frame of the maglev train, and is convenient to disassemble and disassemble, and under normal conditions, it can also be used as a part of the magnetic levitation track to ensure the normal operation of the maglev train, and the suspension of the maglev train When the rack needs to be disassembled, the lifting rail can drive the suspension of the maglev train to descend, which facilitates the disassembly and assembly of the train suspension rack;

2) The rotation of the top surface of the lifting cylinder on the shock absorbing assembly of the present invention can adjust and adjust the height of the connecting cylinder and the weight. When the maglev train comes over, the weight can be lowered and pressed against the foundation, and passed. Twist the force transmission cylinder so that the force transmission cylinder abuts against the sealing cover, so that the vibration of the lifting rail can be transmitted to the foundation, thereby reducing the vibration of the lifting rail; when the running wheel assembly needs to walk on the running rail, The force transmission cylinder can be first screwed to raise the force transmission cylinder away from the sealing cover, and then the weight is lifted off the foundation, so that the running wheel assembly can walk.

[Description of the Drawings]

Figure 1 is a schematic view of the structure of the present invention;

2 is a schematic view showing the structure of the present invention after the magnetic levitation track is removed.

[detailed description]

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Further, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

Referring to Figures 1 and 2, a suspension magnetic levitation suspension device is disposed above a foundation 2 provided with a running rail 21, the longitudinal direction of which is perpendicular to the longitudinal direction of the magnetic levitation track 1, and includes a support column 11 , the running wheel assembly 34, the base 31, the lifting mechanism 33, the support table 32, the lifting rail 321, the left locking assembly 351 and the right locking assembly 352, the support column 11 is vertically disposed and the lower end thereof is fixedly mounted on the foundation 2 The traveling wheel assembly 34 is mounted on the base 31; the lifting mechanism 33 is mounted on the base 31 for driving the support table 32 to move up and down; the support table 32 is located at the base 31 Above and above the lifting rail 321 located between two adjacent magnetic levitation rails 1, the left end of the supporting platform 32 is connected to the floating rail located at the left side thereof by the left locking assembly 351 The right end of the support table 32 is connected to the suspension rail located at the right side thereof by the right locking assembly 352; the above-mentioned support column 11, the traveling wheel assembly 34, the base 31, the lifting mechanism 33, the support table 32, the lifting rail 321, and the left lock Tight assembly 351 and right lock No. configurations and connection relationships 352 may apply the previously reference patent applicant Application No. 201510708210.0 of. The invention is also improved on the basis of the above patents, so that the anti-shock effect is better.

In addition, the dismounting device further includes a shock absorbing assembly 4 between the left locking assembly 351 and the right locking assembly 352. The shock absorbing assembly 4 includes a first threaded cylinder 41, a screw 42, a handle 43, and a force transmission force. a cylinder 44, a second threaded cylinder 45, a lifting cylinder 46, a transmission rod 47, a connecting cylinder 48, a weight 49, Closing cover 410, wherein

The first threaded cylinder 41 is vertically disposed, the top of which is fixedly mounted on the bottom end of the support base 32 and the inner wall thereof is provided with internal threads;

The screw 42 is vertically disposed and is provided with external threads for mating with internal threads in the first threaded cylinder 41 to thread the screw 42 and the first threaded cylinder 41 together Turning the screw 42 to raise and lower the screw 42;

The handle 43 is fixedly sleeved on the outer side of the screw 42 for driving the screw 42 to rotate, thereby adjusting the height of the screw 42. Preferably, the handle 43 comprises an annular ring and is disposed on the outer wall of the annular ring a plurality of rods, the annular ring being fixedly sleeved on the screw 42. By rotating the rod member, the screw 42 can be easily raised and lowered;

The force transmitting cylinder 44 is vertically disposed and its top is fixedly mounted at the lower end of the screw 42. Therefore, the ascending and descending of the screw 42 can drive the rise and fall of the force transmitting cylinder 44;

The upper and lower ends of the second threaded cylinder 45 are open, and the lower end is fixedly mounted on the top end of the support base 32, and the top end thereof is provided with an external thread;

The lifting cylinder 46 is vertically disposed, and an inner wall thereof is provided with internal threads for engaging with the external threads of the top end of the second threaded cylinder 45, thereby screwing the lifting cylinder 46 and the second threaded cylinder 45 together The top surface of the lifting cylinder 46 is a curved surface 451; the height of the lifting cylinder 46 can be adjusted by twisting the lifting cylinder 46;

The connecting cylinder 48 extends through the lifting cylinder 46, the second threaded cylinder 45 and the support base 32, and the lower end thereof is fixedly connected to the weight 49, and the top end of the connecting cylinder 48 is provided as the force transmission. The cylinder 44 moves the hole of the passage, the outer side of the connecting cylinder 48 is provided with two rolling wheels 411 and one of the rolling wheels 411 is higher than the other rolling wheel 411, at least one of which is always with the top of the lifting cylinder 46 The curved surface 451 is in contact; the transmission rod 47 is horizontally disposed and penetrates the lifting cylinder 46 for driving the lifting cylinder 46 to rotate, thereby adjusting the height of the lifting cylinder 46, the top of the lifting cylinder 46 The rotation of the curved surface 451 can adjust the height of the two rolling wheels 411 on the connecting barrel 48, thereby adjusting the height of the connecting barrel 48 and the weight 49; When the maglev train comes over, the weight 49 can be lowered and pressed against the foundation 2, and the force transmitting cylinder 44 is pressed against the sealing cover 410 by screwing the force transmitting cylinder 44, so that the lifting rail can be The vibration is transmitted to the foundation 2, thereby reducing the vibration of the lifting rail; when the running wheel assembly 34 needs to walk on the running rail 21, the force transmitting cylinder 44 can be first screwed to raise the force transmitting cylinder 44 away from the sealing cover 410. The weight 49 is then raised away from the foundation 2 so that the wheel assembly 34 can be moved. The curved surface 451 may be a quadric surface 451, and may also be some irregularly shaped curved surface 451, which is inclined, mainly to drive the two rolling wheels 411, the connecting barrel 48 and the weighting block 49 to rise and fall when rotating. Separating and contacting the weight 49 from the foundation 2;

The occlusion cover 410 is hinged to the connection barrel 48 by a vertically disposed hinge shaft, and the clogging cover 410 is rotatable to a first position and a second position, and the clogging cover is in the first position 410 closes a hole in the connecting barrel 48. In the second position, the blocking cover 410 opens a hole in the connecting barrel 48 so that the lower end of the force transmitting cylinder 44 can enter the hole. The sealing cover 410 is normally in contact with the force transmitting cylinder 44 to transmit the vibration to the foundation 2. When the lifting rail needs to be lowered, the sealing cover 410 is opened, so that the force transmitting cylinder 44 can enter the hole without blocking The lowering of the lifting rail, in addition, the rotation of the top end surface 451 of the lifting cylinder 46 also causes the weight 49 to move away from the foundation 2, so that the running wheel assembly 34 can move on the running rail 21.

Further, the hinge shaft is provided with a split pin for limiting the position of the hinge shaft.

Further, the scroll wheel 411 is a universal wheel so that the scroll wheel 411 rolls on the curved surface 451 at the top end of the lift cylinder 46.

The disassembly and assembly device of the invention can realize the disassembly and assembly action of the suspension frame of the maglev train, and is convenient to disassemble and disassemble, and under normal conditions, it can also be used as a part of the magnetic levitation track 1 to ensure the normal operation of the maglev train, in the suspension of the maglev train When it is necessary to disassemble, the lifting rail can drive the suspension of the maglev train to reduce the disassembly and assembly of the train suspension frame.

Those skilled in the art will appreciate that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention, All should be included in the scope of protection of the present invention.

Claims

A shock absorbing magnetic suspension train suspension rack dismounting device is located above a foundation provided with a running rail, the longitudinal direction of the traveling rail is perpendicular to the longitudinal direction of the magnetic levitation track, and comprises a supporting column, a running wheel assembly, a base, a lifting mechanism and a support platform a lifting rail, a left locking assembly and a right locking assembly, the support column being vertically disposed and having a lower end fixedly mounted on the foundation; the running wheel assembly being mounted on the base; the lifting mechanism being mounted on the a base for driving the support table to move up and down; the support table is located above the base, and the lifting rail is disposed between two adjacent magnetic levitation rails, the support platform The left end is connected to the suspension rail located at the left side thereof by the left locking assembly, and the right end of the support table is connected to the suspension rail located at the right side thereof by the right locking assembly, wherein

Also included is a shock absorbing assembly between the left and right locking assemblies, the shock absorbing assembly including a first threaded barrel, a screw, a handle, a force transfer barrel, a second threaded barrel, a lift cylinder, a drive rod , a connecting cylinder, a weight and a sealing cover, wherein

The first threaded cylinder is vertically disposed, the top of which is fixedly mounted at the bottom end of the support table and the inner wall thereof is provided with an internal thread;

The screw is vertically disposed and is provided with external threads for mating with internal threads in the first threaded barrel such that the screw and the first threaded barrel are threaded together;

The handle is fixedly sleeved on the outer side of the screw for driving the screw to rotate, thereby adjusting the height of the screw;

The force transmission cylinder is vertically disposed and the top portion thereof is fixedly mounted at a lower end of the screw;

The upper and lower ends of the second threaded cylinder are open, and the lower end is fixedly mounted on the top end of the support table, and the top end thereof is provided with an external thread;

The lifting cylinder is vertically disposed, and an inner wall thereof is provided with an internal thread for engaging with the external thread of the second threaded cylinder top end, so that the lifting cylinder and the second threaded cylinder are screwed together, the lifting The top surface of the barrel is a curved surface;

The connecting barrel penetrates the lifting cylinder, the second threaded cylinder and the support table, and the lower end thereof Fixedly connecting the weight, the top end of the connecting cylinder is provided with a hole as a moving passage of the force transmission cylinder, the outer side of the connecting cylinder is provided with two rolling wheels and one of the rolling wheels is higher than the other rolling wheel At least one of the scroll wheels is always in contact with the curved surface of the top end of the lift cylinder;

The transmission rod is horizontally disposed and penetrates the lifting cylinder for driving the lifting cylinder to rotate, thereby adjusting the height of the lifting cylinder, and the rotation of the curved surface of the lifting cylinder can adjust two of the connecting cylinders The height of the rolling wheel, thereby adjusting the height of the connecting barrel and the weight;

The closure cap is hinged to the coupling barrel by a vertically disposed hinge shaft that is rotatable to a first position and a second position, the closure cap closing the first position A hole in the connecting barrel, in the second position, the closing cover opens a hole in the connecting barrel so that a lower end of the force transmitting barrel can enter the hole.
The shock absorbing magnetic suspension train suspension rack dismounting device according to claim 1, wherein the hinge shaft is provided with a split pin for limiting the position of the hinge shaft.
The shock absorbing magnetic suspension train suspension rack dismounting device according to claim 1, wherein the rolling wheel is a universal wheel.
The shock absorbing magnetic suspension train suspension rack dismounting device according to claim 1, wherein the handle comprises an annular ring and a plurality of rods disposed on the outer wall of the annular ring, and the annular ring is fixedly sleeved in the On the screw.