CN218541991U - Multistage lift large-span platform emergency exit - Google Patents

Abstract

The utility model belongs to platform door field. In view of the problem that the traditional platform door can not meet various vehicle types, the utility model discloses a multi-stage lifting large-span platform safety door, which structurally comprises a stand column; the transmission mechanisms are arranged on the upright posts and can be connected in a relatively movable manner; the transmission mechanisms are provided with connecting pieces capable of translating up and down along the upright posts; pulleys are arranged on the upper side and the lower side of the connecting piece; a transmission belt is arranged between the pulleys; the transmission belt is connected with the connecting piece on the adjacent transmission mechanism; the protective door is provided with a plurality of protective structures which can be stacked and unfolded; the protective structures are connected with the connecting pieces in a one-to-one corresponding manner; the driving mechanism is arranged on the upright post and is connected with the transmission mechanism corresponding to the protective structure on the uppermost layer of the protective door; the driving mechanism is used for driving the transmission mechanism to move up and down and driving the protective door to switch between a closed state and an open state; and the self-locking mechanism is used for locking the transmission mechanism corresponding to the protective structure on the uppermost layer of the protective door. The safety door has strong compatibility.

Description

Multistage lift large-span platform emergency exit

Technical Field

The utility model belongs to the technical field of the platform door, in particular to multistage lift large-span platform emergency exit.

Background

The platform door is used in subway line, and is a device which is set on the platform and separates passenger from train to ensure passenger safety, and is equipped with slide door which is correspondent to train door and can be opened and closed by means of multistage control.

And because the types of the trains running on each subway line are the same, after the trains stop at the calibration points of the subway platform, the positions of train doors are always fixed, so that the traditional platform door does not need to consider the difference of train door opening positions of the trains with different types and the difference of the widths of the train doors with different types. However, with the development of high-speed rail systems and public transportation systems, security gates are increasingly applied to railway and bus stops.

However, the conventional platform door has the following problems:

(1) Because of various train types and different train door numbers and positions, the traditional platform door is difficult to adapt to various train types simultaneously;

(2) The train has how many doors and needs design how many sliding doors promptly, and the construction cost of earlier stage and the maintenance cost of later stage are higher.

In view of the above, there is a need for a platform security gate with easy installation, high compatibility, and low construction and maintenance costs.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned traditional platform door can not adapt to multiple motorcycle type and the higher problem of operation cost, one of the purposes of the utility model is to provide a multistage lift large-span platform emergency exit, this emergency exit have install additional easily, compatible stronger, the construction with the low characteristics of maintenance cost.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

a multi-stage lifting large-span platform safety door comprises upright columns, a lifting device and a lifting device, wherein the upright columns are arranged on two sides of the platform in the length direction; the transmission mechanisms are arranged on the upright posts and can be relatively movably connected; the transmission mechanisms are respectively provided with a connecting piece which can move up and down along the upright post; pulleys are arranged on the upper side and the lower side of the connecting piece; a transmission belt is arranged between the pulleys; the transmission belt is connected with the connecting piece on the adjacent transmission mechanism; the protective door is provided with a plurality of protective structures which can be stacked and unfolded; the protective structures are connected with the connecting pieces in a one-to-one corresponding manner; the driving mechanism is arranged on the upright post and is connected with the transmission mechanism corresponding to the protective structure on the uppermost layer of the protective door; the transmission mechanism is used for driving the transmission mechanism to move up and down and driving the protective door to be switched between a closed state and an open state; when in a closed state, a plurality of the protective structures are stacked and unfolded along the upright post; when the protective structure is in an opening state, the protective structures are flatly stored at the top of the upright post; and the self-locking mechanism is used for locking the transmission mechanism corresponding to the protective structure on the uppermost layer of the protective door.

In one of the technical solutions disclosed in the present invention, the self-locking mechanism includes a pawl rotatably mounted on a connecting member of the transmission mechanism corresponding to the uppermost protective structure of the protective door; a torsion spring is arranged between the pawl and the rotating shaft of the pawl; the power unit is connected with the rotating shaft to drive the pawl to rotate; wherein, a plurality of ratchet wheel holes which are arranged in a linear way are correspondingly arranged on the upright post.

The utility model discloses an among one of them technical scheme, still include control mechanism, be used for control actuating mechanism's work.

In one of the technical schemes disclosed by the utility model, the utility model also comprises an anti-pinch mechanism; the anti-pinch mechanism is electrically connected with the control mechanism.

The utility model discloses an among them one of them technical scheme, prevent pressing from both sides the mechanism and include: the light curtain sensor is arranged on one side of the upright post; the light curtain sensor is electrically connected with the control mechanism.

In one of the technical schemes disclosed by the utility model, the utility model also comprises an alarm mechanism; wherein the protective structure is provided with a pressure sensor; the pressure sensor is electrically connected with the alarm mechanism.

In one of the technical solutions disclosed in the present invention, the protection structure adopts a rod set, a rope set or a door panel structure.

In one of the technical solutions disclosed in the present invention, the driving mechanism includes a driving motor installed on the top of the upright; the belt pulley is connected with an output shaft of the driving motor; the synchronous belt is connected with the belt pulley; and the synchronous belt is connected with a transmission mechanism of the protective structure corresponding to the uppermost layer of the protective door.

The utility model discloses an among one of them technical scheme, actuating mechanism can adopt chain, wire rope, sharp ball screw, rack and pinion, cylinder unit or hydraulic unit.

In one of the technical solutions disclosed in the present invention, the upright column is provided with a plurality of linear guide rails in parallel one-to-one correspondence with the transmission mechanisms; and the connecting piece of the transmission mechanism can move up and down and is arranged on the linear guide rail.

In one of the technical solutions disclosed in the present invention, the lengths of the plurality of linear guide rails are sequentially increased in the stacking and unfolding order of the protection structure; and the increased length is equal to the moving stroke of the protective structure on the uppermost layer of the protective door.

As can be seen from the above description, the beneficial effects of the present invention are:

1, adopt large-span lift emergency exit, adaptable various motorcycle types are berthhed, have solved the problem that traditional platform door can not adapt to multiple motorcycle types, and the compatibility is strong, and the operation cost is low.

2. The driving mechanism drives the connecting piece of the protective structure corresponding to the uppermost layer of the protective door to move up and down and drives the connecting pieces of the other transmission mechanisms to move up and down, so that the protective structure of the protective door is overlapped, unfolded or folded in parallel along the upright post, and the protective door is opened and closed; meanwhile, pulleys are arranged on the upper side and the lower side of the connecting piece of the transmission mechanism, a transmission belt is arranged on each pulley, and the transmission belt is connected with the connecting piece of the adjacent transmission mechanism; when the protective structure of the uppermost layer of the protective door moves, the moving speed of the rest of the protective structures is sequentially multiplied according to the stacking and unfolding sequence of the protective structures, so that the protective structures can start and arrive at the same time, the speed of opening and closing the protective door is improved, and passengers can get on and off the protective door quickly.

3. The self-locking mechanism is arranged, so that accidents can be prevented.

4. The control mechanism controls the driving mechanism to drive the protective door to move upwards when the light curtain sensor senses that a person or an object blocks the light curtain, so that accidents are prevented; meanwhile, an alarm mechanism is also arranged, and a pressure sensor connected with the alarm mechanism is arranged on the protection structure to sense whether a person or an object depends on the protection mechanism, so that accidents are prevented; the cooperation of the two is beneficial to improving the safety performance of the safety door.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic sectional structure view of the stand column of the present invention.

Reference numerals: 1-upright post; 11-a linear guide rail; 12-a ratchet hole; 2-a protective door; 21-a protective structure; 3-a drive mechanism; 31-a drive motor; 32-a pulley; 33-a synchronous belt; 4-a transmission mechanism; 41-a connector; 42-a pulley; 43-a transmission belt; 5-a self-locking mechanism; 52-pawl.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The embodiment of the application discloses multistage lift large-span platform emergency exit, its structure is shown as attached 1-4, including stand 1, guard gate 2, actuating mechanism 3, drive mechanism 4 and self-locking mechanism.

Specifically, the upright posts 1 are symmetrically arranged on two sides of the platform in the length direction.

And the three transmission mechanisms 4 are arranged in the upright post 1, and the three transmission mechanisms 4 are connected in a relatively movable manner. The transmission mechanism 4 includes a link 41 and a pulley 42.

The connecting member 41 is installed in the column 1 to be movable up and down. Pulleys 42 are installed on the upper and lower sides of the connecting member 41, and a transmission belt 43 is connected between the pulleys 42. And the drive belt 43 is connected to the connecting piece of the adjacent drive 4.

The protective door 2 is arranged between the upright posts 1 and is provided with three protective structures 21 which can be stacked and unfolded along the upright posts 1; two sides of the protective structure 21 are connected with the connecting pieces 41 in a one-to-one correspondence manner.

The driving mechanism 3 is installed on the top of the column 1 and includes a driving motor 31, a pulley 32 and a timing belt 33. Wherein, the belt pulley 32 is connected with the output shaft of the driving motor 31. A timing belt 33 is connected to the pulley 32.

The synchronous belt 33 is connected with the connecting piece 41 of the transmission mechanism 4 of the protective structure 21 corresponding to the uppermost layer of the protective door 2 so as to drive the transmission mechanism 4 of the protective structure corresponding to the uppermost layer of the protective door 2 to move up and down, thereby switching the protective door 2 between an opening state and a closing state; when in the closed condition, the protective structure 21 is folded along the uprights 1; when in the open position, the shielding structure 21 is stowed flush on top of the upright 1.

By adopting the structure, the driving mechanism 3 drives the connecting piece 41 of the protective structure corresponding to the uppermost layer of the protective door 2 to move up and down and drives the connecting pieces 41 of the other transmission mechanisms 4 to move up and down, so that the protective structure 21 of the protective door 2 is overlapped, unfolded or folded in a flush manner along the upright post 1, and the protective door 2 is opened and closed; meanwhile, pulleys 42 are arranged on the upper side and the lower side of the connecting piece 41 of the transmission mechanism 4, a transmission belt 43 is arranged on the pulleys, and the transmission belt 43 is connected with the connecting piece 41 of the adjacent transmission mechanism 4; when the protective structure 21 on the uppermost layer of the protective door 2 moves, the pulleys 42 on the transmission mechanism 4 synchronously move along with the protective structure, and the moving speeds of the rest of the protective structures 21 are sequentially multiplied according to the stacking and unfolding sequence of the protective structures 21, so that the protective structures 21 can simultaneously start and simultaneously arrive, which is beneficial to improving the speed of opening and closing the protective door 2, and is convenient for passengers to quickly get on and off.

The self-locking mechanism is used for locking a connecting piece of the transmission mechanism correspondingly connected with the driving mechanism 3; having a detent 52.

Wherein, the pawl 52 is rotatably mounted on the connecting member 41, and the rotating shaft of the pawl 52 is connected with a stepping motor (not shown in the figure); and a torsion spring is also provided between the pawl 52 and the shaft. Correspondingly, a plurality of ratchet holes 12 which are arranged linearly are correspondingly arranged on the upright post 1.

By adopting the mechanism, when the connecting piece 41 moves upwards, the stepping motor releases energy, and the pawl 52 can automatically spring into the ratchet hole 12 on the upright post 1 under the action of the torsion spring; when an accident occurs, the detent 52 will snap firmly into the detent hole 12, thereby avoiding the accident.

In a particular embodiment of the present application, a control mechanism is further included for controlling the operation of the drive mechanism. And the control mechanism automatically controls the driving mechanism to work by receiving train signals or remote control signals of platform workers, so that the protective door is switched between an open state and a closed state.

In a more specific embodiment of the present application, an anti-pinch mechanism (not shown) is also included, and is electrically connected to the control mechanism. In this embodiment, the anti-pinch mechanism is a commercially available light curtain sensor and is installed on the side surface of the upright post 1. When guard gate 2 moves down, if the light curtain inductor detects that someone or object block the light curtain, the steerable actuating mechanism of control mechanism drives guard gate 2 and resumes up, prevents to meet accident, and the security is higher.

In a more specific embodiment of the present application, an alarm mechanism (not shown in the drawings) is also included; and pressure sensors (not shown in the drawing) are arranged on the protection structures and are electrically connected with the alarm mechanism. When the pressure sensor senses that people or objects depend on the pressure sensor, the alarm mechanism can send out safety warning, and the safety is improved.

In a more specific embodiment of the present application, as shown in fig. 4, three linear guide rails 11 corresponding to the protective structures 21 one to one are installed in parallel in the pillar 1, and the lengths of the three linear guide rails 11 are sequentially increased in the stacking and unfolding order of the protective structures 21 of the protective door 2, and the increased length is equal to the moving stroke of the uppermost protective structure 21 of the protective door 2. Accordingly, the connecting members 41 of the transmission mechanism 4 are mounted to move up and down on the corresponding linear guides 11 and are connected to the sides of the corresponding shielding structure 21.

In the particular embodiment of the present application, the protective structure 21 is a door panel structure made of a rigid material and a transparent material. By adopting the structure, the rigidity, the attractiveness and the permeability of the door body are ensured, and the weight is also reduced.

In the embodiment of the present application, the protective structure 21 may also adopt a rod set or rope set structure according to actual use requirements, and be made of a rigid material or a flexible material. By adopting the structure, the weight of the protective door 2 is favorably reduced.

In the embodiment of the present application, the driving mechanism 3 may also adopt other power mechanisms capable of running linearly, such as a chain, a wire rope, a linear ball screw, a rack and pinion, a cylinder device and a hydraulic device.

In embodiments of the present application, the drive belt may be a flexible drive material, such as a timing belt, a belt, and a chain.

In the embodiment of the present application, the safety door can increase or decrease the number of the protective structures 21 of the protective door 2 according to the actual use requirement, and correspondingly increase or decrease the number of the transmission mechanisms 4 and the linear guide rails 11 matched with the protective structures 2 of the protective door 2; and a plurality of groups of same platform safety doors can be used in combination according to the actual use requirement.

As can be seen from the above description, the working principle and the beneficial effects of the embodiment of the utility model are as follows:

the safety door can meet the requirements of various vehicle types through the large-span lifting safety door, and has strong compatibility and low operation cost; further, the driving mechanism 3 drives the connecting piece 41 of the protective structure 21 corresponding to the uppermost layer of the protective door 2 to move up and down, and drives the connecting pieces 41 of the other transmission mechanisms 4 to move up and down, so that the protective structure 21 of the protective door 2 is overlapped, unfolded or folded in a flush manner along the upright post 1, and the protective door 2 is opened and closed; meanwhile, pulleys 42 are arranged on the upper side and the lower side of a connecting piece 41 of the transmission mechanism 4, a transmission belt is arranged on the pulleys 42, and the transmission belt 41 is connected with the connecting piece 42 of the adjacent transmission mechanism 4; when the protective structure 21 on the uppermost layer of the protective door 2 moves, the moving speed of the rest of the protective structures 21 is sequentially multiplied according to the stacking and unfolding sequence of the protective structures 21, so that the protective structures 21 can start and arrive at the same time, the speed of opening and closing the protective door is improved, and passengers can get on and off the protective door quickly; furthermore, a self-locking mechanism is arranged, so that accidents can be prevented; finally, a control mechanism and an anti-pinch mechanism are arranged, when the light curtain sensor senses that a person or an object blocks the light curtain, the control mechanism controls the driving mechanism to drive the protective door to move upwards, and accidents are prevented; meanwhile, an alarm mechanism is also arranged, and a pressure sensor connected with the alarm mechanism is arranged on the protection structure to sense whether a person or an object depends on the protection mechanism, so that accidents are prevented; the cooperation of the two is beneficial to improving the safety of the safety door.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a multistage lift large-span platform emergency exit which characterized in that includes:

the stand columns are symmetrically arranged on two sides of the platform in the length direction;

the transmission mechanisms are arranged on the upright posts and can be relatively movably connected; the transmission mechanisms are respectively provided with a connecting piece which can move up and down along the upright post; pulleys are arranged on the upper side and the lower side of the connecting piece; a transmission belt is arranged between the pulleys; the transmission belt is connected with the connecting piece on the adjacent transmission mechanism;

the protective door is provided with a plurality of protective structures which can be stacked and unfolded; the protective structures are connected with the connecting pieces in a one-to-one corresponding manner;

the driving mechanism is arranged on the upright post and is connected with the transmission mechanism of the protective structure corresponding to the uppermost layer of the protective door; the transmission mechanism is used for driving the transmission mechanism to move up and down and driving the protective door to be switched between a closed state and an open state;

and the self-locking mechanism is used for locking the transmission mechanism corresponding to the protective structure on the uppermost layer of the protective door.

2. The multi-level elevating large-span platform safety door according to claim 1, wherein the self-locking mechanism comprises:

the pawl is rotatably arranged on the connecting piece of the transmission mechanism of the protective structure corresponding to the uppermost layer of the protective door; a torsion spring is arranged between the pawl and the rotating shaft of the pawl;

the power unit is connected with the rotating shaft to drive the pawl to rotate;

wherein, a plurality of ratchet wheel holes which are arranged in a linear way are correspondingly arranged on the upright post.

3. The multi-stage elevating large-span platform safety door according to claim 1, further comprising a control mechanism for controlling the operation of the driving mechanism.

4. The multi-level lift large-span platform safety door of claim 3, further comprising an anti-pinch mechanism; the anti-pinch mechanism is electrically connected with the control mechanism.

5. The multi-level lift large-span platform safety door of claim 4, wherein the anti-pinch mechanism comprises: the light curtain sensor is arranged on one side of the upright post;

the light curtain sensor is electrically connected with the control mechanism.

6. The multi-level lift large-span platform safety door according to claim 1, further comprising an alarm mechanism; wherein the protective structure is provided with a pressure sensor; the pressure sensor is electrically connected with the alarm mechanism.

7. The multi-level elevating large-span platform safety door according to claim 1, wherein the driving mechanism comprises:

the driving motor is arranged at the top of the upright post;

the belt pulley is connected with an output shaft of the driving motor;

the synchronous belt is connected with the belt pulley; and the synchronous belt is connected with a transmission mechanism of a protection structure corresponding to the uppermost layer of the protection door.

8. The multi-stage elevating large-span platform safety door according to claim 1, wherein the driving mechanism may employ a chain, a wire rope, a linear ball screw, a rack and pinion, a cylinder unit, or a hydraulic unit.

9. The multi-stage lifting large-span platform safety door according to claim 1, wherein a plurality of linear guide rails corresponding to the transmission mechanisms one by one are arranged on the upright posts in parallel;

the connecting piece of the transmission mechanism can move up and down and is arranged on the linear guide rail;

the lengths of the plurality of linear guide rails are sequentially increased according to the stacking and unfolding sequence of the protective structure; and the increased length is equal to the moving stroke of the protective structure on the uppermost layer of the protective door.

10. The multi-level elevating large-span platform safety door according to claim 1, wherein the protective structure is a bar set, a rope set or a door panel structure.

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