Safety rope lifting mechanism for platform

Abstract

The utility model provides a platform safety rope lifting mechanism which comprises a lifting column internally provided with a power device and a lifting device. The lifting device comprises a lifting part, a first rope moving part, a second rope moving part and a third rope moving part, three vertical sliding rails are arranged in the lifting column side by side, the three rope moving parts slide on the three sliding rails correspondingly, and limiting seats with the position heights changing step by step in sequence are arranged on the three sliding rails correspondingly. The first rope moving part can move to the lowest position, and the lifting part is fixed to the power device and the first rope moving part and can lift the three rope moving parts. The rope moving part comprises a displacement part and a rope connecting part, and the rope connecting part of the first rope moving part and the rope connecting part of the third rope moving part deviate from the second rope moving part and are located on the outer side of the rope connecting part of the second rope moving part. The mechanism can safely guard passengers through lifting of the ropes, the three rope moving parts are compact in structure, and production, transportation and installation of the mechanism are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit platform safety protection equipment, in particular to a platform safety rope lifting mechanism. Background Art

[0002] The platform is a place for passengers to wait for trains and for passengers to get on and off trains. Currently, station platforms are open, that is, there are no protective barriers at the edge of the platform. Usually a yellow line is drawn from the edge of the platform as a reminder, but the role of this warning line is passive, and it is still impossible to avoid the danger of passengers falling off the platform, such as children accidentally getting close to the edge of the platform when playing, or passengers getting close to the edge of the platform to check the train situation or occupy the front position. Utility Model Content

[0003] In order to solve the technical problems existing in the above-mentioned background technology, the utility model provides a platform safety rope lifting mechanism.

[0004] The technical solution of this utility model is as follows:

[0005] A platform safety rope lifting mechanism comprises a lifting column for driving the rope to lift, wherein a power device and a lifting device are arranged in the lifting column;

[0006] The lifting device comprises a first rope moving member, a second rope moving member and a third rope moving member which are arranged in sequence. Three vertical slide rails are arranged side by side in the lifting column. The three rope moving members are slidably connected to the three slide rails respectively. The three slide rails are provided with limit seats. The position height of the limit seats changes step by step in sequence. The first rope moving member can be moved to the lowest position. A lifting member is fixed on the first rope moving member. One end of the lifting member is fixedly connected to the power device, and the other end extends to the bottom of the second rope moving member and the third rope moving member. The power device moves the rope by driving the lifting member to move the three rope moving members upward.

[0007] The rope moving member comprises a displacement part and a rope connecting part, wherein the displacement part is slidably connected to the slide rail, and the rope connecting part is installed on the displacement part, located at a side of the displacement part away from the slide rail, and is spaced from the displacement part by a preset distance;

[0008] The connecting rope parts of the first rope moving member and the third rope moving member are offset in the direction of the connecting rope part of the second rope moving member relative to the displacement parts connected to them respectively, and are located on the outside of the connecting rope part of the second rope moving member, so that the rope connected by the first rope moving member and the third rope moving member is closer to the rope connected by the second rope moving member, and then when in the guarding state, the multiple groups of ropes are almost vertically distributed, and the lateral size of the lifting column can be further reduced.

[0009] In the present application, multiple ropes are used to protect the edge of the platform to prevent passengers from approaching the edge of the platform. In addition, the ropes are divided into three groups through three rope moving parts, which slide in an offset manner. When in the blocking state, the three groups of ropes are distributed up and down to achieve an effective protection height. When the blocking is released, the three groups of ropes rise and finally are distributed in a horizontal stacking manner, thereby reducing the overall height of the lifting column.

[0010] In addition, the three rope moving parts have a compact structure, which can reduce the overall lateral size of the lifting column and facilitate production, transportation and installation.

[0011] A first hook is provided on the upper part of the first rope movable member, a second hook is provided on the lower part of the third rope movable member, and a first hook and a second hook are provided on the upper part and the lower part of the second rope movable member respectively. When the first hook of the first rope movable member moves downward, it can hook the second hook of the second rope movable member, and when the first hook of the second rope movable member moves downward, it can hook the second hook of the third rope movable member, so that several rope movable members form a linkage when they move downward.

[0012] In order to bring two adjacent rope moving parts closer together and indirectly bring the lateral distances of multiple rope groups closer together, the first hook and the second hook are both installed on the displacement part and are both located between the displacement part and the rope connecting part to avoid occupying the space between the two adjacent rope moving parts.

[0013] In the present application, the second hook extends downward by a preset length, and the first hook is hooked on the lower end of the second hook that cooperates with it, so as to cooperate with the limiting seat, so that the interval between the two adjacent groups of ropes is a preset distance, and the interval distance is prevented from being too large or too small. In addition, when the two adjacent rope moving parts are parked on the limiting seat, they are in a mutually locked state, that is, when the first rope moving part is immobile, the second and third rope moving parts cannot move due to the hook connection between the first hook and the second hook, and the limitation of the limiting seat, so that the three rope moving parts can be locked by the braking of the power device itself, so as to prevent passengers from pulling or accidentally pushing the rope group, resulting in drilling into the edge of the platform.

[0014] Specifically, a second hook portion is bent at the lower end of the second hook in a direction away from the slide rail, and a first hook portion is bent and extended transversely from the first hook. The first hook portion is located above the second hook portion that cooperates with it.

[0015] The power device of the present application specifically includes a motor arranged at the lower part of the lifting column and a transmission belt connected to the output end of the motor, the transmission belt extends vertically, and the lifting member is fixed on the transmission belt. When the motor is started, the lifting member is lifted through the transmission belt, and the lifting member drives three rope moving members to move up or down. At the same time, when the motor stops running, the first rope moving member is braked and restricted by the motor.

[0016] In order to prevent the safety protection system from affecting passengers getting on and off the vehicle when encountering special circumstances, a manual part is axially protruded from the motor output end, and the motor output end can be rotated by the manual part to make the rope rise and release the guardrail.

[0017] In order to further avoid special circumstances such as power outages where the motor cannot be started, resulting in the rope being unable to rise, affecting passengers getting on and off the bus, an emergency device is also provided in the lifting column. The emergency device includes a pulley installed on the upper part of the lifting column and a pull rope sliding on the pulley. One end of the pull rope is fixed to the lifting piece, and the other end is fixed to a gravity piece.

[0018] When the power is off, the motor is in a free state, and the transmission belt and the lifting member are not restricted by the motor brake. At this time, the pull rope can pull the lifting member up under the gravity of the gravity member, thereby driving all rope moving parts to rise. This structure enables the safety protection system to automatically lift the rope when the power is off, without manual operation, improving the emergency handling speed and practicality of the safety protection system.

[0019] In order to prevent the gravity piece from swinging when moving in the lifting column and damaging other parts, a vertical guide column is provided in the lifting column, and the gravity piece is slidably connected to the guide column. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In the attached picture:

[0021] Figure 1 It is a schematic diagram of the use of the lifting mechanism;

[0022] Figure 2 This is a schematic diagram of the interior of the lifting column;

[0023] Figure 3 for Figure 2 A magnified schematic diagram of part A in FIG.

[0024] Figure 4 for Figure 2 A magnified schematic diagram of part B in FIG.

[0025] Figure 5 for Figure 2 The enlarged schematic diagram of the C part in FIG.

[0026] Figure 6 It is a schematic diagram of the power device and the lifting device;

[0027] Figure 7 for Figure 6 An enlarged schematic diagram of the D portion in FIG.

[0028] Figure 8 It is a top view schematic diagram of the lifting device.

[0029] The components represented by the reference numerals in the figure are:

[0030] 1. Lifting column; 11. Partition; 121a. First rope moving member; 121b. Second rope moving member; 121c. Third rope moving member; 1211. Displacement member; 1212. Rope connecting member; 122. Slide rail; 123. Limiting seat; 124. Lifting member; 125. First hook; 1251. First hook; 126. Second hook; 1261. Second hook; 131. Motor; 132. Transmission belt; 141. Pulley; 142. Pull rope; 143. Gravity member; 144. Guide column; 145. Hydraulic buffer; 2. Rope. DETAILED DESCRIPTION

[0031] like Figure 1 As shown, an embodiment of the utility model provides a platform safety rope lifting mechanism, including a lifting column 1, which is used to connect a rope 2 and drive the rope 2 to rise and fall, and a power device and a lifting device are arranged in the lifting column 1.

[0032] Specifically, Figures 2 to 7 As shown, a partition 11 is provided inside the lifting column 1, and a power device and a lifting device are provided on one side or both sides of the partition 11. The power device lifts and lowers the rope 2 through the lifting device.

[0033] The lifting device includes three rope moving parts. For the convenience of description, the three rope moving parts are divided into a first rope moving part 121a, a second rope moving part 121b and a third rope moving part 121c in order. The second rope moving part 121b is located between the first rope moving part 121a and the third rope moving part 121c. Three vertical slide rails 122 are arranged side by side in the lifting column 1. The slide rails 122 are installed on the partition 11. The three rope moving parts slide on the three slide rails 122 respectively. The three slide rails 122 are all provided with a limit seat 123. The position height of the limit seat 123 changes step by step in sequence, so that when the three rope moving parts stop on the limit seat 123, the position height changes step by step in sequence, wherein the first rope moving part 121a can move to the lowest position.

[0034] A lifting member 124 is fixed on the first rope moving member 121a. One end of the lifting member 124 is fixedly connected to the power device, and the other end extends to below the second rope moving member 121b and the third rope moving member 121c. The power device moves the rope 2 by driving the lifting member 124 to move the three rope moving members upward.

[0035] The rope moving member specifically includes a displacement portion 1211 and a rope connecting portion 1212. The displacement portion 1211 is slidably connected to the slide rail 122. The rope connecting portion 1212 is installed on the displacement portion 1211 through two connecting columns, which are located on the side of the displacement portion 1211 away from the slide rail 122 and are spaced a preset distance from the displacement portion 1211. The ends of a plurality of ropes 2 are fixedly connected to the rope connecting portion 1212 and are evenly distributed vertically.

[0036] Please also combine Figure 8 As shown, in order to make the three groups of ropes 2 closer together laterally so that when in the guarding state, the three groups of ropes 2 are almost vertically distributed, and at the same time the size of the lifting column 1 can be further reduced, among the three rope moving members, the connecting rope portions 1212 of the first rope moving member 121a and the third rope moving member 121c are offset in the direction of the connecting rope portion 1212 of the second rope moving member 121b relative to the displacement portions 1211 connected to them respectively, and are located on the outside of the connecting rope portion 1212 of the second rope moving member 121b, so that the ropes 2 connected to the first rope moving member 121a and the third rope moving member 121c are closer to the ropes 2 connected to the second rope moving member 121b.

[0037] like Figure 8 As shown, the rope 2 corresponding to the second rope moving member 121b is connected to the middle position of its rope connecting portion 1212, while the ropes 2 corresponding to the first rope moving member 121a and the third rope moving member 121c are connected to the opposite edge positions of their rope connecting portions 1212, so as to make the lateral distance between the three groups of ropes 2 closer.

[0038] In order to achieve linkage between several rope moving parts, a first hook 125 is provided on the upper part of the first rope moving part 121a, a second hook 126 is provided on the lower part of the third rope moving part 121c, and the first hook 125 and the second hook 126 are respectively provided on the upper and lower parts of the second rope moving part 121b. When the first hook 125 of the first rope moving part 121a moves downward, it can hook the second hook 126 of the second rope moving part 121b, and when the first hook 125 of the second rope moving part 121b moves downward, it can hook the second hook 126 of the third rope moving part 121c.

[0039] The first hook 125 and the second hook 126 are both mounted on the displacement portion 1211. In order to bring two adjacent rope moving parts closer together, and indirectly bring the multiple rope groups 2 closer in lateral distance, the first hook 125 and the second hook 126 are located between the displacement portion 1211 and the rope connecting portion 1212, respectively, to avoid occupying the space between the two adjacent rope moving parts.

[0040] Among them, one end of the second hook 126 is installed on the displacement part 1211, and the other end extends downward by a preset length, and a second hook 1261 is bent at the lower end in a direction away from the slide rail 122. The first hook 125 is bent and extended horizontally, and the cross section is Z-shaped. One end of the first hook 125 is connected to the displacement part 1211, and the other end is bent toward the side of the displacement part 1211 to form a first hook 1251, and the first hook 1251 is located above the second hook 1261 matched therewith. Specifically, the first hook 1251 of the first rope moving member 121a is located above the second hook 1261 of the second rope moving member 121b, and the first hook 1251 of the second rope moving member 121b is located above the second hook 1261 of the third rope moving member 121c.

[0041] When the lifting member 124 drives the three rope moving members to move upward, the first hook 125 moves upward and separates from the second hook 126, and there is no interaction between the two, and the three rope moving members move upward freely. When the rope moving parts move downward, under normal circumstances, the first rope moving part 121a moves downward under the drive of the power device, and the other rope moving parts move downward under the action of their own gravity. Only when the adjacent rope moving parts stop on the limit seat 123, the first hooks 125 and the second hooks 126 of the two adjacent rope moving parts that cooperate with each other will hook each other, and then when all the rope moving parts are stopped on the limit seat 123, if the first rope moving part 121a does not move, the second rope moving part 121b is hooked by the first rope moving part 121a and cannot move up. Similarly, the third rope moving part 121c is hooked by the second rope moving part 121b and cannot move up, and then cooperates with the limit seat 123 to prevent the three rope moving parts from moving downward, so that all rope moving parts can be locked by the braking of the power device itself to prevent passengers from pulling open or accidentally pushing the rope group, causing it to drill into the edge of the platform.

[0042] The first hook 125 and the second hook 126 of the present application, except when the first hook 1251 hooks the second hook 1261, there is no interaction between the two at other times. Compared with other methods, such as sliding the slider on the slide bar, by setting the clamping structure at both ends of the slide bar to achieve the linkage method, the first hook 125 and the second hook 126 in the present application have greater freedom of movement, and there is no contact between the two when moving up and down, and there will be no friction resistance, so that the rise and fall of the rope 2 are smoother. In addition, the first hook 125 and the second hook 126 only need to ensure that the first hook 1251 is above the second hook 1261, which makes production and installation extremely convenient. Assuming that the first hook 125 and the second hook 126 of the present application are changed to the method of slider and slide bar, it is necessary not only to ensure that the slide bar is vertically arranged during installation, but also to ensure that the hole of the slider is vertically aligned with the slide bar, and the installation accuracy is very high. If there is a mistake, it will cause the multiple groups of ropes 2 to be unable to be relatively pulled apart or merged, so that the safety protection system cannot be used normally.

[0043] Please refer to Figures 2 to 6 As shown, the power device includes a motor 131 arranged at the lower part of the lifting column 1 and a transmission belt 132 connected to the output end of the motor 131. The motor 131 and the partition 11 are arranged perpendicular to the extension direction of the rope 2, and the output shaft of the motor 131 is parallel to the partition 11. The transmission belt 132 extends vertically, and a driven wheel is correspondingly arranged on the upper part of the partition 11 to support the transmission belt 132. The motor 131 drives the transmission belt 132 to rotate. The transmission belt 132 is preferably a synchronous belt.

[0044] One end of the lifting member 124 of this embodiment is fixed on the transmission belt 132, and the other end extends horizontally to the bottom of each rope moving member. When the train enters the station, the motor 131 rotates, and the transmission belt 132 drives the lifting member 124 to move upward. The lifting member 124 moves upward together with the first rope moving member 121a, and then successively supports the second rope moving member 121b and the third rope moving member 121c to move upward, release the protection of the rope 2, and allow passengers to get on and off. At this time, the three rope moving members are located at the same height, and then the ropes 2 divided into three groups are located at the same height, and are distributed in a horizontally stacked manner, so as to reduce the overall height of the ropes 2 after they are raised.

[0045] In addition, a manual part is axially protruding from the output end of the motor 131 of the present embodiment, and a through hole is provided on the lifting column 1 corresponding to the position of the manual part, which is connected to the manual part by inserting a crank handle or a specially customized electric rotary insert into the through hole. The output end of the motor 131 can be rotated by rotating the manual part, thereby causing the rope 2 to rise and release the guardrail, so that when encountering special circumstances, passengers can also get on and off the vehicle normally, thereby improving the emergency response capability of the safety protection system to deal with special circumstances.

[0046] Please refer to Figures 2 to 5As shown, the lifting column 1 of this embodiment is also provided with an emergency device, which includes a pulley 141 installed on the upper part of the lifting column 1 and a pull rope 142 sliding on the pulley 141, one end of the pull rope 142 is fixed to the lifting member 124, and the other end is fixed to a gravity member 143.

[0047] When the power is off, the output shaft of the motor 131 is in a free state, and the transmission belt 132 and the lifting member 124 are not restricted by the brake of the motor 131. At this time, the pull rope 142 can pull the lifting member 124 upward under the gravity of the gravity member 143, thereby driving all rope moving parts to rise and release the protection of the rope 2. This structure enables the safety protection system to automatically lift the rope 2 when the power is off, without manual operation, thereby improving the emergency processing speed and practicality of the safety protection system.

[0048] In order to prevent the weight member 143 from swinging when moving in the lifting column 1 and damaging other components, a vertical guide column 144 is provided in the lifting column 1, and the weight member 143 is slidably connected to the guide column 144.

[0049] A hydraulic buffer 145 is provided on the weight member 143 , and a buffer head of the hydraulic buffer 145 extends to the bottom of the weight member 143 . When the weight member 143 descends to the bottom, it plays a buffering role to prevent the weight member 143 or the lifting column 1 from being damaged.

[0050] The utility model provides a platform safety rope lifting mechanism. When in a blocking state, three groups of ropes 2 are distributed up and down to reach an effective protection height. When the blocking is released, the three groups of ropes 2 rise and are finally distributed in a horizontal stacking manner to allow passengers to pass through, thereby protecting the edge of the platform through the lifting of the ropes to prevent passengers from approaching the edge of the platform while waiting.

[0051] In addition, the ropes 2 are divided into multiple groups through three rope moving parts, which slide in an offset manner, effectively reducing the overall height of the lifting column 1. The three rope moving parts have a compact structure, which can reduce the overall lateral size of the lifting column 1 and facilitate production, transportation and installation.

[0052] In addition, the three rope moving parts are mutually linked, and the linked action can be realized by only one power device, which takes up little temporary space and can effectively reduce the size of the lifting column.

Claims

1. A platform safety rope lifting mechanism, comprising a lifting column (1) for driving a rope (2) to lift and lower, characterized in that: The lifting column (1) is provided with a power device and a lifting device; The lifting device comprises a first rope moving member (121a), a second rope moving member (121b) and a third rope moving member (121c) which are arranged in sequence. Three vertical slide rails (122) are arranged side by side in the lifting column (1). The three rope moving members are respectively slidably connected to the three slide rails (122). The three slide rails (122) are each provided with a limit seat (123). The position height of the limit seat (123) changes step by step in sequence. The first rope moving member (121a) can be moved to the lowest position. A lifting member (124) is fixed to the first rope moving member (121a). One end of the lifting member (124) is fixedly connected to the power device, and the other end extends below the second rope moving member (121b) and the third rope moving member (121c). The rope moving parts each comprise a displacement part (1211) and a rope connecting part (1212), the displacement part (1211) being slidably connected to the slide rail (122), the rope connecting part (1212) being mounted on the displacement part (1211), being located on a side of the displacement part (1211) away from the slide rail (122), and being spaced from the displacement part (1211) by a preset distance; The connecting rope portions (1212) of the first rope moving member (121a) and the third rope moving member (121c) are offset relative to the displacement portions (1211) to which they are connected, in the direction of the connecting rope portion (1212) of the second rope moving member (121b), and are located outside the connecting rope portion (1212) of the second rope moving member (121b).

2. A platform safety rope lifting mechanism as claimed in claim 1, characterized in that: The first rope movable member (121a) is provided with a first hook (125) at the upper part, the third rope movable member (121c) is provided with a second hook (126) at the lower part, and the first hook (125) and the second hook (126) are provided at the upper part and the lower part of the second rope movable member (121b) respectively; when the first hook (125) of the first rope movable member (121a) moves downward, it can hook the second hook (126) of the second rope movable member (121b); when the first hook (125) of the second rope movable member (121b) moves downward, it can hook the second hook (126) of the third rope movable member (121c).

3. A platform safety rope lifting mechanism as claimed in claim 2, characterized in that: The first hook (125) and the second hook (126) are both mounted on the displacement portion (1211), and are both located between the displacement portion (1211) and the rope connection portion (1212).

4. A platform safety rope lifting mechanism as claimed in claim 3, characterized in that: The second hook (126) extends downwards by a preset length, and the first hook (125) is hooked on the lower end of the second hook (126) that cooperates with it.

5. A platform safety rope lifting mechanism as claimed in claim 4, characterized in that: The lower end of the second hook (126) is bent to form a second hook portion (1261) in a direction away from the slide rail (122); the first hook (125) is extended transversely and bent to form a first hook portion (1251); the first hook portion (1251) is located above the second hook portion (1261) that cooperates with it.

6. A platform safety rope lifting mechanism as claimed in claim 1, characterized in that: The power device comprises a motor (131) arranged at the bottom of the lifting column (1) and a transmission belt (132) connected to the output end of the motor (131); the transmission belt (132) extends vertically, and the lifting member (124) is fixed on the transmission belt (132).

7. A platform safety rope lifting mechanism as claimed in claim 6, characterized in that: A manual part is axially protruded from the output end of the motor (131), and the output end of the motor (131) can be rotated by the manual part.

8. A platform safety rope lifting mechanism as claimed in claim 1, characterized in that: An emergency device is also provided in the lifting column (1), the emergency device comprising a pulley (141) mounted on the upper part of the lifting column (1) and a pull rope (142) sliding on the pulley (141), one end of the pull rope (142) being fixed to the lifting member (124), and the other end of the pull rope being fixed to a gravity member (143).

9. A platform safety rope lifting mechanism as claimed in claim 8, characterized in that: A vertical guide column (144) is provided inside the lifting column (1), and the gravity member (143) is slidably connected to the guide column (144).

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