CN214396732U - Lifting device and driver platform lifting device for rail vehicle - Google Patents

Lifting device and driver platform lifting device for rail vehicle Download PDF

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Publication number
CN214396732U
CN214396732U CN202120346438.0U CN202120346438U CN214396732U CN 214396732 U CN214396732 U CN 214396732U CN 202120346438 U CN202120346438 U CN 202120346438U CN 214396732 U CN214396732 U CN 214396732U
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China
Prior art keywords
hinged
lifting
lifting device
movable arm
pedal
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CN202120346438.0U
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Inventor
林祥礼
于津健
辛廷
孙贤涛
耿昊
张琦赟
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
Qingdao SRI Technology Co Ltd
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
Qingdao SRI Technology Co Ltd
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Priority to CN202120346438.0U priority Critical patent/CN214396732U/en
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Abstract

The utility model relates to a lifting device, include: the lifting mechanism is used for realizing lifting drive; protection machanism, the cover is established the elevating system outside, it includes: the upper pedal is arranged into a flat plate type structure and is arranged above the lifting mechanism; the side face protective covers are fixedly connected to the end parts of the two sides of the upper pedal; the telescopic cover is fixedly connected with the side protective cover and the upper pedal and is covered outside the lifting mechanism in an integrated structure. Meanwhile, the utility model further applies the lifting device to the lifting drive of the driver platform of the rail vehicle, provides a corresponding driver platform lifting device for the rail vehicle, and the lifting device is provided with a protection mechanism for sealing protection; meanwhile, when the lifting device is maintained, on-line maintenance can be realized only by detaching the upper pedal, and the maintenance is convenient.

Description

Lifting device and driver platform lifting device for rail vehicle
Technical Field
The utility model belongs to pedal lifting control device field especially relates to a elevating gear, driver platform elevating gear for rail vehicle.
Background
The existing lifting device of the driver platform of the rail vehicle mainly adopts a design mode of a lifting driving device of a foot switch like a patent CN106864471B and is mainly divided into a triggering mechanism and a lifting mechanism, wherein the triggering mechanism comprises a height adjusting button, a stay wire fixing plate component, a stay wire and a stay wire clamping block; the lifting mechanism comprises a gas spring, a linkage mechanism and a guide block, the trigger end of the gas spring is contacted with the pull wire clamping block, the piston rod of the gas spring is connected with one end of the linkage mechanism, the other end of the linkage mechanism is connected with the guide block, and the guide block is connected with the pedal. Although the lifting device can realize lifting control, water and dust can invade the pedal equipment in the long-term use process because the lifting device is not provided with a sealing protection measure; the equipment has poor maintainability, can not realize online maintenance, and can be maintained only by completely disassembling the equipment; meanwhile, the stay wire control mode is adopted, so that the mechanical reliability is low, and the linkage mechanism adopts a pulley form, so that the transmission is complex and the clamping stagnation is easy to cause.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the protective properties, the poor scheduling problem of drive control that above-mentioned current pedal device exists, carry out institutional advancement, provide a sealed protective properties height, easily maintain and start control's elevating gear to be applied to driver platform lifting control with it, provide a driver platform elevating gear for rail vehicle.
In order to achieve the above object, the utility model provides a lifting device, include:
the lifting mechanism is used for realizing the lifting of the driver platform;
protection machanism, the cover is established the elevating system outside includes:
the upper pedal is arranged into a flat plate type structure and is arranged above the lifting mechanism;
the side face protective covers are fixedly connected to the end parts of the two sides of the upper pedal;
the telescopic cover is fixedly connected with the side protective cover and the upper pedal and is covered outside the lifting mechanism in an integrated structure.
Preferably, the guard mechanism further comprises:
and the brush is arranged at the outer edge of the upper pedal.
Preferably, the lifting mechanism includes:
the two height adjusting components are matched and symmetrically arranged;
the hinged connecting seat is used for installing two symmetrical height adjusting components;
the hinged connecting plate is arranged on the hinged connecting seat, is connected with the two symmetrical height adjusting components and is provided with a sliding rail;
the height adjustment assembly includes:
the upper end part of the first top plate connecting block is connected with the upper pedal, and the lower end part of the first top plate connecting block is fixed on the sliding rail;
the first hinged movable arm is fixed on the hinged connecting seat;
the second hinged movable arm is in shaft connection with the first hinged movable arm;
and the second top plate connecting block is fixed on the second hinged movable arm and is connected with the upper pedal.
Preferably, the first top plate connecting block is connected to the sliding rail through a bolt;
the hinged connecting plate is connected to the hinged connecting seat through a bolt;
the sliding rail is connected to the hinged connecting seat through a bolt;
the first hinged movable arm is connected to the hinged connecting seat through a bolt and a bearing;
and the second top plate connecting block is connected to the second hinged movable arm through a bolt and is connected with the upper pedal.
Preferably, the hinge connecting seat is further provided with a spring guide sleeve, the top of the spring guide sleeve is in contact with the hinge connecting plate, and a spring damping mechanism is arranged in the spring guide sleeve.
Preferably, the lifting mechanism further comprises a connecting shaft assembly, and the connecting shaft assembly comprises:
the middle connecting shaft is connected with the shaft joint of the first hinged movable arm and the second hinged movable arm at two symmetrical sides in a penetrating way through a bearing;
the bottom connecting shaft is connected with one side end part, far away from the hinged connecting seat, of the first hinged movable arm at two symmetrical sides in a penetrating manner through a bearing.
Preferably, two outer ends of the bottom connecting shaft are provided with shaft check rings, and two inner ends of the bottom connecting shaft are provided with torsion springs.
Preferably, the lifting mechanism further comprises a trigger linkage assembly, the trigger linkage assembly comprising:
the gas spring is fixed on the hinged connecting plate through a gas spring mounting shaft, and the tail end of the gas spring is provided with a gas spring mounting seat;
the spring control connecting rod is arranged on the gas spring mounting seat and is connected with the tail end of the gas spring;
the pedal control connecting rod is connected with the spring control connecting rod;
and the pedal control switch is connected with the pedal control connecting rod.
Preferably, the outside of the foot control switch is covered with a rubber bag protective cover, and the rubber bag protective cover is installed on the upper pedal.
The lifting device is used for driving and controlling the lifting of a driver platform.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
the utility model provides a lifting device which can be used for controlling the lifting control of a driver platform, the lifting device is provided with a protection mechanism, and sealing structures such as a telescopic cover, a brush and a side protection cover are firstly applied to a pedal device of the driver platform of a rail vehicle for sealing protection; meanwhile, when the lifting device is maintained, on-line maintenance can be realized only by detaching the upper pedal, and the maintenance is convenient. For the height adjusting function of the lifting device, the self-locking characteristic of the gas spring and the rotation and extension characteristic of the connecting rod structure of the trigger linkage assembly are utilized, so that the pedal control switch drives the pedal control connecting rod and the spring control connecting rod to be linked after being triggered, the self-locking control of the gas spring is realized, and the height change caused by the applied pressure when the pedal is lifted to any height can be avoided; meanwhile, the lifting height adjustment in the transmission process is realized by utilizing the rotation characteristic of the hinge structure of the height adjusting assembly, the transmission process is simple, and the lifting process is free from clamping stagnation. Meanwhile, the lifting device is also provided with a spring guide sleeve for damping and buffering to improve the treading control force.
Drawings
Fig. 1 is a structural view of a lifting mechanism of a lifting device of the present invention;
FIG. 2 is a view of the guard mechanism;
FIG. 3 is a dynamic diagram of the lifting adjustment of the lifting device;
the lifting mechanism 1, the height adjusting assembly 11, the first top plate connecting block 111, the first hinged movable arm 112, the second hinged movable arm 113, the second top plate connecting block 114, the hinged connecting seat 12, the hinged connecting plate 13, the sliding rail 131, the connecting shaft assembly 14, the intermediate connecting shaft 141, the bottom connecting shaft 142, the shaft retainer 1421, the torsion spring 1422, the trigger linkage assembly 15, the gas spring 151, the gas spring mounting shaft 1511, the gas spring mounting seat 1512, the spring control connecting rod 152, the pedal control connecting rod 153, the pedal control switch 154, the spring guide sleeve 16 and the spring damping mechanism 161 are arranged in sequence;
the protective mechanism 2, the upper pedal 21, the side protective cover 22, the telescopic cover 23, the brush 24 and the rubber bag protective cover 25.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are partial embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
The utility model provides a lifting device which can be used for controlling the lifting control of a driver platform, as shown in figures 1 and 2, the lifting device comprises a lifting mechanism 1 and a protection mechanism 2, and the lifting mechanism 1 is used for realizing the lifting drive; the protection mechanism 2 is assembled and covered outside the lifting mechanism 1 and carries out sealing protection along with the lifting of the lifting mechanism 1.
Specifically, as shown in fig. 2, the guard mechanism 2 includes an upper pedal 21, a side guard 22, a telescopic cover 23, and a brush 24. Wherein: the upper pedal 21 is arranged in a flat plate type structure and is arranged above the lifting mechanism 1; the side protection covers 22 are fixedly connected to the end parts of the two sides of the upper pedal 21, and the telescopic covers 23 are fixedly connected with the side protection covers 22 and the upper pedal 21 to form an integrated structure to cover the outer side of the lifting mechanism 1. In the embodiment, the side protective cover 22, the telescopic cover 23 and the brush 24 are made of flexible materials and can keep sealing along with the lifting of the upper pedal 21; meanwhile, when the lifting device is maintained, on-line maintenance can be realized only by detaching the upper pedal 21, and the maintenance is convenient.
The lifting mechanism is structurally shown in fig. 1 and comprises two height adjusting assemblies 11, a hinged connecting seat 12, a hinged connecting plate 13, a connecting shaft assembly 14 and a trigger linkage assembly 15. Two height adjustment assembly 11 are symmetry articulated and install on articulated connecting seat 12, and articulated connecting plate 13 is installed on articulated connecting seat 12, connects two height adjustment assembly 11 of symmetry, is provided with slide rail 131 on the articulated connecting plate 13, and slide rail 131 passes through bolted connection on articulated connecting seat 12. Specifically, the height adjusting assembly 11 includes a first top plate connecting block 111, a first hinged movable arm 112, a second hinged movable arm 113, and a second top plate connecting block 114, wherein the upper end of the first top plate connecting block 111 is connected with the upper pedal 21, and the lower end is connected to the sliding rail 131 through a bolt; the first hinged movable arm 112 is connected to the hinged connecting seat 12 through a bolt and a bearing, and the second hinged movable arm 113 is coupled with the first hinged movable arm 112 through a bearing; the second top plate connection block 114 is connected to the second hinge moving arm 113 by bolts and is connected to the upper step 21. The height adjusting assembly in the embodiment mainly adopts a hinged structure, the transmission is simple, and the lifting process can be realized without clamping stagnation.
Meanwhile, the height adjusting assemblies 11 on the two symmetrical sides are coupled through the connecting shaft assembly 14 to realize linkage, the connecting shaft assembly 14 comprises a middle connecting shaft 141 and a bottom connecting shaft 142, and the middle connecting shaft 141 is connected with the coupling position of the first hinged movable arm 112 and the second hinged movable arm 113 on the two symmetrical sides through a bearing in a penetrating manner; the bottom connecting shaft 142 is connected through a bearing to the end of one side of the first hinged movable arm 112 at two symmetrical sides, which is far away from the hinged connecting base 12, the two outer sides of the bottom connecting shaft 142 are provided with shaft retaining rings 1421, and the two inner sides are provided with torsion springs 1422 as pre-installed damping, so as to facilitate limiting and locking.
The trigger linkage assembly 15 comprises a gas spring 151, a spring control connecting rod 152, a pedal control connecting rod 153 and a pedal control switch 154, wherein the gas spring 151 is fixed on the hinged connecting plate 13 through a gas spring mounting shaft 1511, and the tail end of the gas spring 151 is provided with a gas spring mounting seat 1512; the spring control link 152 is mounted on the gas spring mount 1512 and is connected to the end of the gas spring 151; one end of the pedal control link 153 is connected with the spring control link 152, and the other end is connected with the pedal control switch 154; the outer portion of the foot control switch 154 is covered with the rubber bag protective cover 25, the rubber bag protective cover 25 is installed on the upper pedal 21, the rubber bag protective cover has good flexibility, when the rubber bag protective cover 25 is pressed, the foot control switch 154 can be triggered to move downwards, and meanwhile, the rubber bag protective cover can achieve a sealing effect.
In this embodiment, by utilizing the self-locking characteristic of the gas spring 151, the link structure rotation and extension characteristic of the trigger linkage assembly 15, and the hinge structure rotation characteristic of the height adjustment assembly 11, when the foot control switch 154 is triggered to move downward, the foot control link 153 and the spring control link 152 are linked, and when the foot control switch 154 moves downward to a certain height, the self-locking prevention switch of the gas spring 151 is triggered and temporarily disabled by self-locking, and at this time, the foot is in a free-moving state. Because the gas spring 151 has upward thrust, the upper pedal 21 is pushed by the gas spring 151 and rises to the highest point, and after external pressure is applied to the upper pedal 21, the pressure applied by the upper pedal 21 overcomes the upward thrust of the gas spring 151, so that the upper pedal 21 descends, and the height adjusting assemblies 11 on the two sides are linked with each other to adjust the height of the pedals, and the adjusting movement process is as shown in fig. 3. Meanwhile, in this embodiment, the hinge connection seat 12 is further provided with a spring guide 16, the top of the spring guide 16 contacts with the hinge connection plate 13, and a spring damping mechanism 161 is provided in the spring guide 131 for damping and buffering, so as to improve the pedaling control force.
To sum up, the lifting device provided by the utility model can be used for controlling the lifting control of the driver platform, the lifting device is provided with a protection mechanism, the sealing structures such as the telescopic cover, the brush and the side protection cover are firstly applied to the pedal device of the driver platform of the rail vehicle for sealing protection, and the whole set of device can reach the protection requirement of IP 65; meanwhile, when the lifting device is maintained, on-line maintenance can be realized only by detaching the upper pedal, and the maintenance is convenient. For the height adjusting function of the lifting device, the self-locking characteristic of the gas spring and the rotation and extension characteristic of the connecting rod structure of the trigger linkage assembly are utilized, so that the pedal control switch drives the pedal control connecting rod and the spring control connecting rod to be linked after being triggered, the self-locking control of the gas spring is realized, and the height change caused by the applied pressure when the pedal is lifted to any height can be avoided; meanwhile, the lifting height adjustment in the transmission process is realized by utilizing the rotation characteristic of the hinge structure of the height adjusting assembly, the transmission process is simple, and the lifting process is free from clamping stagnation.

Claims (10)

1. A lifting device, comprising:
the lifting mechanism is used for realizing lifting drive;
protection machanism, the cover is established the elevating system outside includes:
the upper pedal is arranged into a flat plate type structure and is arranged above the lifting mechanism;
the side face protective covers are fixedly connected to the end parts of the two sides of the upper pedal;
the telescopic cover is fixedly connected with the side protective cover and the upper pedal and is covered outside the lifting mechanism in an integrated structure.
2. The lift device of claim 1, wherein the guard mechanism further comprises:
and the brush is arranged at the outer edge of the upper pedal.
3. The lifting device as recited in claim 1, wherein the lifting mechanism comprises:
the two height adjusting components are matched and symmetrically arranged;
the hinged connecting seat is used for installing two symmetrical height adjusting components;
the hinged connecting plate is arranged on the hinged connecting seat, is connected with the two symmetrical height adjusting components and is provided with a sliding rail;
the height adjustment assembly includes:
the upper end part of the first top plate connecting block is connected with the upper pedal, and the lower end part of the first top plate connecting block is fixed on the sliding rail;
the first hinged movable arm is fixed on the hinged connecting seat;
the second hinged movable arm is in shaft connection with the first hinged movable arm;
and the second top plate connecting block is fixed on the second hinged movable arm and is connected with the upper pedal.
4. The lifting device as claimed in claim 3, wherein the first top plate connecting block is connected to the slide rail by a bolt;
the hinged connecting plate is connected to the hinged connecting seat through a bolt;
the sliding rail is connected to the hinged connecting seat through a bolt;
the first hinged movable arm is connected to the hinged connecting seat through a bolt and a bearing;
and the second top plate connecting block is connected to the second hinged movable arm through a bolt and is connected with the upper pedal.
5. The lifting device as claimed in claim 3, wherein the hinge joint seat is further provided with a spring guide sleeve, the top of the spring guide sleeve is in contact with the hinge joint plate, and a spring damping mechanism is arranged in the spring guide sleeve.
6. The lift device of claim 3, wherein the lift mechanism further comprises a connecting shaft assembly, the connecting shaft assembly comprising:
the middle connecting shaft is connected with the shaft joint of the first hinged movable arm and the second hinged movable arm at two symmetrical sides in a penetrating way through a bearing;
the bottom connecting shaft is connected with one side end part, far away from the hinged connecting seat, of the first hinged movable arm at two symmetrical sides in a penetrating manner through a bearing.
7. The lifting device as claimed in claim 6, wherein the bottom connecting shaft is provided with shaft retainer rings at both outer ends thereof and torsion springs at both inner ends thereof.
8. The lift device of claim 3, wherein the lift mechanism further comprises a trigger linkage assembly, the trigger linkage assembly comprising:
the gas spring is fixed on the hinged connecting plate through a gas spring mounting shaft, and the tail end of the gas spring is provided with a gas spring mounting seat;
the spring control connecting rod is arranged on the gas spring mounting seat and is connected with the tail end of the gas spring;
the pedal control connecting rod is connected with the spring control connecting rod;
and the pedal control switch is connected with the pedal control connecting rod.
9. The lift device of claim 8, wherein said foot operated control switch is externally covered with a rubber bladder shield, said rubber bladder shield being mounted on said upper pedal.
10. A driver platform lifting device for a rail vehicle, which is characterized in that the lifting device of any one of claims 1 to 9 is used for driving and controlling the lifting of the driver platform.
CN202120346438.0U 2021-02-07 2021-02-07 Lifting device and driver platform lifting device for rail vehicle Active CN214396732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120346438.0U CN214396732U (en) 2021-02-07 2021-02-07 Lifting device and driver platform lifting device for rail vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120346438.0U CN214396732U (en) 2021-02-07 2021-02-07 Lifting device and driver platform lifting device for rail vehicle

Publications (1)

Publication Number Publication Date
CN214396732U true CN214396732U (en) 2021-10-15

Family

ID=78025681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120346438.0U Active CN214396732U (en) 2021-02-07 2021-02-07 Lifting device and driver platform lifting device for rail vehicle

Country Status (1)

Country Link
CN (1) CN214396732U (en)

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