Tension adjusting device for high-speed rail platform guardrail rope
By designing a tension adjustment device for the ropes of high-speed railway platform guardrails, the problem of the inability to adjust the ropes after they have become slack has been solved, and the ropes can be tightened again, which improves safety and ease of operation.
Patent Information
- Application Number
- CN202520135076.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing technologies, the connection between the ropes of high-speed railway platform guardrails and the lifting components is a fixed connection, which means that the ropes cannot be effectively tightened after they become slack, thus affecting safety.
A tension adjustment device for high-speed railway platform guardrail ropes was designed, including components such as rope blocks, rope winding shafts, tension screws, lock cores, and tenons. Through the 180° rotation and sliding engagement of the rope, coarse and fine tension adjustment of the rope can be achieved.
It enables re-tensioning adjustment after rope slack, ensuring rope tightness and improving safety and ease of operation.
Smart Images
Figure CN223702575U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to high -speed railway platform guardrail technical field, concretely relates to a kind of high-speed railway platform guardrail rope is used tight adjusting device. BACKGROUND
[0002] High-speed railway platform is large in passenger flow, high-speed train runs fast, and guardrail needs to be set at platform to separate platform personnel and high-speed train to prevent platform personnel from falling off platform accidentally and causing danger. The structure of high-speed railway platform guardrail is: including a plurality of bases arranged along the length direction of platform, each base is provided with a lifting assembly capable of moving vertically, and a rope for forming guardrail is connected between adjacent lifting assemblies. When high-speed train stops to allow passengers to get on or off, the lifting assembly moves upward, so that the rope moves upward, and the guardrail formed by the rope no longer separates platform personnel and high-speed train, while at other times, the lifting assembly moves downward to make the rope move downward to form a guardrail door to separate platform personnel and high-speed train and ensure personnel safety.
[0003] Among them, the rope and the lifting assembly are usually connected in a fixed manner, and once connected, the tightness of the rope between adjacent lifting assemblies cannot be adjusted, and the rope cannot be tightened after relaxation.
[0004] Therefore, the present application provides a high-speed railway platform guardrail rope tight adjusting device, which can re-tighten the rope between adjacent lifting assemblies after relaxation. UTILITY MODEL CONTENTS
[0005] The utility model aims at overcoming the shortcomings of the prior art, and provides a high-speed railway platform guardrail rope tight adjusting device.
[0006] To achieve the above object, the utility model adopts the following technical scheme:
[0007] A high-speed railway platform guardrail rope tight adjusting device, comprising a rope block provided on a lifting assembly, the left and right sides of the rope block are symmetrically provided with a rope passing part, and the side of the two rope passing parts facing each other is provided with a rope winding shaft for the rope to pass through and rotate 180 degrees after passing through, and the rope forms a rotation segment after rotating 180 degrees around the rope winding shaft;
[0008] The rope passing part is rotatably connected with a tensioning screw extending in the rope tightening direction, the tensioning screw is provided with a lock core, and the lock core is provided with a threaded hole threadedly connected with the tensioning screw;
[0009] The lock core and the rope passing part are slidingly connected in the rope tightening direction;
[0010] The lock core is provided with a tensioning groove through which the rotating section passes, a tenon is rotationally connected to the tensioning groove through a rotating shaft, an arc-shaped tensioning part is arranged on one side of the tenon facing the rotating section, and a tensioning ratchet is arranged on the radially outer side of the arc-shaped tensioning part;
[0011] The arc-shaped tensioning part is in an eccentric structure, a torsion spring is arranged between the arc-shaped tensioning part and the lock core, and the torsion spring promotes the rotation of one end of the arc-shaped tensioning part, which is far away from the rotating shaft, to the direction of the rotating section, so as to press the rotating section against the rear wall surface of the tensioning groove.
[0012] Preferably, the rear wall surface of the tensioning groove is in a curved structure, the distance between the rear wall surface of the tensioning groove and the center axis of the rotating shaft gradually decreases and then gradually increases from the end of the rope block to the middle part, the minimum distance between the rear wall surface of the tensioning groove and the center axis of the rotating shaft is a turning point, the distance between the turning point and the center axis of the rotating shaft is L1, and the distance between the end of the rear wall surface of the tensioning groove far away from the middle part of the rope block and the center axis of the rotating shaft is L2.
[0013] The minimum distance between the arc-shaped tensioning part and the center axis of the rotating shaft is m1, and the maximum distance between the arc-shaped tensioning part and the center axis of the rotating shaft is m2.
[0014] Wherein m1 < L1, L1 < m2 < L2.
[0015] Preferably, the rope passing part includes first and second rope passing plates arranged in parallel along the left-right direction, and the rope winding shaft is fixedly arranged on the second rope passing plate in the vertical direction, and a sub-rope block is fixedly arranged between the first and second rope passing plates of each rope passing part.
[0016] The axial ends of the tensioning lead screw are rotationally connected to the first and second rope passing plates of the rope passing part, respectively.
[0017] The sub-rope block is provided with a sliding groove for sliding connection with the tenon in the axial direction of the tensioning lead screw.
[0018] Preferably, a plurality of tensioning lead screws are uniformly arranged in the vertical direction between the first and second rope passing plates of the rope passing part.
[0019] The sub-rope block is provided with a plurality of sliding grooves penetrating through the front end surface of the sub-rope block in the left-right direction, the number of the sliding grooves is consistent with that of the tensioning lead screws, and the tensioning lead screw passes through the corresponding sliding groove.
[0020] Preferably, the sliding groove penetrates through the front end surface of the sub-rope block.
[0021] Preferably, a plurality of rope passing holes and a plurality of rotating rope holes are arranged on the first rope passing plate in the vertical direction, and the number of the rope passing holes and the number of the rotating rope holes are consistent with that of the tensioning lead screws.
[0022] The second rope passing plate is provided with strip-shaped rope passing grooves in the vertical direction, and the number of the strip-shaped rope passing grooves is consistent with the number of the tensioning screw rods.
[0023] The lock cylinder is provided with a lock cylinder rope passing hole.
[0024] The rope passes through the rope passing hole, the lock cylinder rope passing hole, the strip-shaped rope passing groove in the horizontal direction, turns back by 180 degrees around the rope turning shaft, and then passes out through the corresponding strip-shaped rope passing groove, the sliding groove, the tensioning groove and the turning rope hole in the horizontal direction.
[0025] Preferably, the rope passing hole, the lock cylinder rope passing hole and the turning rope hole are all circular holes.
[0026] Preferably, the front ends of the two second rope passing plates in the two rope passing parts are fixedly connected through a connecting plate.
[0027] Preferably, the strip-shaped rope passing groove penetrates through the connecting plate in the front direction.
[0028] Preferably, the tensioning groove penetrates through the front end surface of the lock cylinder.
[0029] The utility model discloses a high-speed rail platform guardrail rope tensioning adjusting device, which has the advantages of simple structure, convenient operation and the like.
[0030] The utility model discloses a high-speed rail platform guardrail rope tensioning adjusting device, which has the advantages of simple structure, convenient operation and the like. BRIEF DESCRIPTION OF DRAWINGS
[0031] The drawings accompanying the specification illustrate preferred embodiments of the application and, together with the description, serve to explain the principles of the application.
[0032] Figure 1 is the structure schematic front view of the high-speed rail platform guardrail rope tensioning adjusting device of the utility model;
[0033] Figure 2 is Figure 1 the A-A section view of the high-speed rail platform guardrail rope tensioning adjusting device of the utility model;
[0034] Figure 3 is the structure schematic perspective view of the high-speed rail platform guardrail rope tensioning adjusting device of the utility model when only the right side connecting rope is used;
[0035] Figure 4 is the structure schematic view of the rope block in the utility model;
[0036] Figure 5 is the structure schematic view of the rope block in the utility model;
[0037] Figure 6 is the matching schematic perspective view of the lock cylinder and the tenon block in the utility model;
[0038] Figure 7 is the matching schematic sectional view of the lock cylinder and the tenon block in the utility model;
[0039] Figure 8 is the structure schematic view of the high-speed rail platform guardrail rope tensioning adjusting device on the lifting assembly in the utility model;
[0040] Figure 9 is the structure schematic view of the high-speed rail platform guardrail rope tensioning adjusting device and the lifting assembly after assembly in the utility model;
[0041] Among them:
[0042] 01-lifting assembly, 02-rope, 021-rotation section;
[0043] 11-rope block, 12-roping shaft, 13-tensioning screw, 14-thread hole, 15-lock cylinder, 151-tensioning groove, 152-lock cylinder rope passing hole, 16-tenon block, 161-tensioning ratchet, 17-first rope passing plate, 171-rope passing hole, 172-rotation rope hole, 18-second rope passing plate, 181-strip-shaped rope passing groove, 182-connection plate, 19-sub rope block, 191-sliding groove. DETAILED DESCRIPTION
[0044] It should be noted that the following detailed description is illustrative only and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0045] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.
[0046] In the utility model, the terms such as "upper", "lower", "bottom", "top" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only the relationship word determined for the convenience of describing the structure relationship of the components or elements of the utility model, and cannot be understood as the limitation of the utility model.
[0047] In the utility model, terms such as ''connected'', ''connected'' and the like should be understood broadly, and it is indicated that it can be fixedly connected, integrally connected or detachably connected, and it can be directly connected or indirectly connected through an intermediate medium. For related scientific research or technical personnel in the field, the specific meaning of the above terms in the utility model can be determined according to specific circumstances, and it cannot be understood as a limitation on the utility model.
[0048] The utility model is further illustrated below in connection with the drawings and examples.
[0049] As Figures 1-9 The utility model discloses a kind of high-speed rail platform guardrail rope tightness adjusting devices, including the rope block 11 being set on lifting assembly 01, the left and right sides of the rope block 11 symmetrically set rope passing portion, the side of two rope passing portions is provided with the rope 02 after being wound around the winding rope shaft 12 for 180 ° rotation, wherein winding rope shaft 12 extends along vertical direction, the rope 02 is wound around winding rope shaft 12 and forms the rotation segment 021 after 180 ° rotation;
[0050] The rope passing portion is rotatably cooperated with the tensioning screw rod 13 extending along the tensioning direction of rope 02, the lock core 15 is passed on the tensioning screw rod 13, the screw hole 14 that is threadedly cooperated with tensioning screw rod 13 is set on the lock core 15;
[0051] The lock core 15 and rope passing portion are slidably cooperated along the tensioning direction of rope 02;
[0052] The lock core 15 is provided with the tensioning groove 151 for the rotation segment 021 to pass, the tenon 16 is rotatably cooperated with the pivot at the tensioning groove 151, the side of the tenon 16 facing the rotation segment 021 is provided with arc-shaped tensioning part, the radial outer side of the arc-shaped tensioning part is provided with tensioning ratchet 161;
[0053] The arc-shaped tensioning part is eccentric structure, the torsion spring is arranged between the arc-shaped tensioning part and the lock core 15, the torsion spring promotes the one end of arc-shaped tensioning part, which is far from pivot, to rotate to the direction of rotation segment 021 to press the rotation segment 021 on the back surface of tensioning groove 151.
[0054] Preferably, the back surface of the tensioning groove 151 is curved structure, the distance between the back surface of the tensioning groove 151 and the center axis of the pivot gradually decreases and then gradually increases from the end of the rope block 11 to the middle, that is Figure 7 The distance between the back surface of the tensioning groove 151 and the center axis of the pivot gradually decreases and then gradually increases from right to left, the minimum distance between the back surface of the tensioning groove 151 and the center axis of the pivot is the turning point, the distance between the turning point and the center axis of the pivot is L1, the distance between the end of the back surface of the tensioning groove 151, which is far from the middle of the rope block 11, and the center axis of the pivot is L2, that is Figure 7The distance from the right end of the rear wall surface of the tensioning groove 151 to the center axis of the rotating shaft is L2;
[0055] The minimum distance from the arc-shaped tensioning part to the center axis of the rotating shaft is m1, and the maximum distance from the arc-shaped tensioning part to the center axis of the rotating shaft is m2;
[0056] Wherein m1 < L1, L1 < m2 < L2.
[0057] The rear wall surface of the tensioning groove 151 is curved, which, under the action of the torsion spring, further locks the tenon block 16.
[0058] Preferably, the rope passing part comprises a first rope passing plate 17 and a second rope passing plate 18 arranged in parallel along the left-right direction, and the rope winding shaft 12 is fixedly arranged on the second rope passing plate 18 along the vertical direction.
[0059] The axial ends of the tensioning lead screw 13 are rotationally matched with the first rope passing plate 17 and the second rope passing plate 18 of the rope passing part, respectively.
[0060] The sub-rope block 19 is provided with a sliding groove 191 for slidingly matching the tenon block 16 in the axial direction of the tensioning lead screw 13.
[0061] Preferably, a plurality of tensioning lead screws 13 are evenly arranged along the vertical direction between the first rope passing plate 17 and the second rope passing plate 18 of the rope passing part.
[0062] The sub-rope block 19 is provided with a plurality of sliding grooves 191 penetrating along the left-right direction, the number of the sliding grooves 191 is consistent with the number of the tensioning lead screws 13, and the tensioning lead screw 13 penetrates through the corresponding sliding groove 191.
[0063] Preferably, the sliding groove 191 penetrates the front end surface of the sub-rope block 19.
[0064] Preferably, the first rope passing plate 17 is provided with a rope passing hole 171 and a rotating rope hole 172 along the vertical direction, the number of the rope passing hole 171 is consistent with the number of the tensioning lead screw 13.
[0065] The second rope passing plate 18 is provided with a strip-shaped rope passing groove 181 along the vertical direction, the number of the strip-shaped rope passing groove 181 is consistent with the number of the tensioning lead screw 13.
[0066] The lock cylinder 15 is provided with a lock cylinder rope passing hole 152.
[0067] The rope 02 passes through the rope passing hole 171, the lock cylinder rope passing hole 152, and the strip-shaped rope passing groove 181 along the horizontal direction, winds around the rope winding shaft 12 by 180°, and then passes out through the corresponding strip-shaped rope passing groove 181, the sliding groove 191, the tensioning groove 151, and the rotating rope hole 172 along the horizontal direction.
[0068] Preferably, the rope passing hole 171, the lock core rope passing hole 152 and the rotation rope hole 172 are circular holes.
[0069] Preferably, the front ends of the two second rope passing plates 18 in the two rope passing portions are fixedly connected through the connecting plate 182.
[0070] Preferably, the strip-shaped rope passing groove 181 penetrates through the connecting plate 182 forwardly.
[0071] Preferably, the tensioning groove 151 penetrates through the front end surface of the lock core 15.
[0072] A tensioning adjusting device for high-speed rail platform guardrail ropes has the following specific implementation:
[0073] During installation, first, the rope block 11 is fixedly arranged on the lifting assembly 01. When the lifting assembly 01 is located at the end of the high-speed rail platform guardrail, only the rope 02 is installed on one side of the lifting assembly 01. When the lifting assembly 01 is located inside the high-speed rail platform guardrail, the rope 02 is installed on both sides of the lifting assembly 01. During installation of the rope 02, the dowel block 16 is manually rotated clockwise to enable the rotation section 021 to smoothly pass through the tensioning groove 151. Subsequently, the rope 02 is passed through the rope passing hole 171, the lock core rope passing hole 152 and the strip-shaped rope passing groove 181 in the horizontal direction, and then is wound around the winding shaft 12 to be rotated by 180° and is passed out in the horizontal direction through the corresponding strip-shaped rope passing groove 181, the sliding groove 191, the tensioning groove 151 and the rotation rope hole 172. Then, the dowel block 16 is loosened. Under the action of the torsional spring, the dowel block 16 is counterclockwise rotated to enable the tensioning ratchet tooth 161 to press the rotation section 021 against the rear wall surface of the tensioning groove 151.
[0074] The following describes a specific operation method by taking the need for tensioning adjustment of the rope on the right side of the lifting assembly 02 as an example.
[0075] When the rope 02 is slack and needs to be coarsely adjusted in tension, the end of the rotation section 021 is manually pulled. During pulling, the tensioned rotation section 021 will overcome the force of the torsional spring to push the dowel block 16 to the right, so as to realize right pulling tensioning of the rotation section 021. After the hand is released, the dowel block 16 will be counterclockwise rotated under the action of the torsional spring to enable the tensioning ratchet tooth 161 to press the rotation section 021 against the wall surface of the tensioning groove 151.
[0076] When the rope 02 is slack and needs to be finely adjusted in tension, the corresponding tensioning lead screw 13 is rotated. Under the cooperation of the tensioning lead screw 13 and the threaded hole 14 in thread and the cooperation of the dowel block 16 and the sliding groove 191 in sliding and limiting, the lock core 15 drives the dowel block 16 to move to the right, so as to realize tensioning adjustment of the rope 02.
[0077] The utility model discloses above although the specific embodiment of the utility model has been described in conjunction with the drawing, is not the limitation of the utility model, and the person skilled in the art should understand that on the basis of the technical scheme of the utility model, various modifications or deformation that the person skilled in the art does not need to pay creative labour still is within the protection scope of the utility model.
Claims
1. A tension adjustment device for high rail platform guard ropes, characterized in that The rope block is provided on the lifting assembly, and symmetrical rope passing portions are provided on the left and right sides of the rope block. A rope winding shaft is provided on the side of the two rope passing portions facing each other, so that the rope can rotate by 180 degrees after winding around the rope winding shaft. The rope passing portion is rotationally connected with a tensioning screw rod extending in the tensioning direction of the rope. A lock core is provided on the tensioning screw rod, and a threaded hole is provided on the lock core and in threaded connection with the tensioning screw rod. The lock core and the rope passing portion are in sliding connection in the tensioning direction of the rope. The lock core is provided with a tensioning groove through which the rotated segment passes. A tenon block is rotationally connected to the tensioning groove through a rotating shaft. An arc-shaped tensioning portion is provided on the side of the tenon block facing the rotated segment. A tensioning ratchet is provided on the radially outer side of the arc-shaped tensioning portion. The arc-shaped tensioning portion is in an eccentric structure. A torsion spring is provided between the arc-shaped tensioning portion and the lock core. The torsion spring drives the end of the arc-shaped tensioning portion far from the rotating shaft to rotate towards the rotated segment, so as to press the rotated segment against the back wall of the tensioning groove.
2. The high rail platform screen cord tensioner of claim 1, wherein, The back wall of the tensioning groove is in a curved surface structure. The distance between the back wall of the tensioning groove and the center axis of the rotating shaft gradually decreases and then gradually increases from the end of the rope block to the middle part. The minimum distance between the back wall of the tensioning groove and the center axis of the rotating shaft is the turning point. The distance between the turning point and the center axis of the rotating shaft is L1. The distance between the end of the back wall of the tensioning groove far from the middle part of the rope block and the center axis of the rotating shaft is L2. The minimum distance between the arc-shaped tensioning portion and the center axis of the rotating shaft is m1, and the maximum distance between the arc-shaped tensioning portion and the center axis of the rotating shaft is m2. Wherein m1 < L1, L1 < m2 < L2.
3. The high rail platform screen cord tensioner of claim 1, wherein, The rope passing portion includes a first rope passing plate and a second rope passing plate arranged in parallel along the left-right direction. The rope winding shaft is fixedly arranged on the second rope passing plate in the vertical direction. The first rope passing plate and the second rope passing plate of each rope passing portion are fixedly arranged with a sub-rope block therebetween. The axial ends of the tensioning screw rod are rotationally connected with the first rope passing plate and the second rope passing plate of the rope passing portion, respectively. The sub-rope block is provided with a sliding groove for sliding connection with the tenon block in the axial direction of the tensioning screw rod.
4. The high-speed rail platform screen cord tensioner of claim 3, wherein the tensioner is configured to adjust the tension of the cord by rotating the tensioner about the axis of rotation. The first rope passing plate and the second rope passing plate of the rope passing portion are uniformly arranged with a plurality of tensioning screw rods in the vertical direction. The sub-rope block is provided with a plurality of sliding grooves penetrating the front end surface in the left-right direction. The number of the sliding grooves is consistent with that of the tensioning screw rods. The tensioning screw rods pass through the corresponding sliding grooves.
5. The high-speed rail platform screen cord tensioner of claim 4, wherein the tensioner is configured to adjust the tension of the cord by rotating the tensioner about the axis of rotation. The sliding grooves penetrate the front end surface of the sub-rope block.
6. The high rail platform screen cord tensioner of claim 4, wherein, The first rope passing plate is provided with a plurality of rope passing holes and a plurality of rotated rope holes in the vertical direction. The number of the rope passing holes and the number of the rotated rope holes are consistent with that of the tensioning screw rods. The second rope passing plate is provided with a plurality of strip-shaped rope passing grooves in the vertical direction. The lock core is provided with a lock core rope passing hole. The rope passes through the rope passing hole, the lock core rope passing hole, and the strip-shaped rope passing groove in the horizontal direction, winds around the rope winding shaft by 180 degrees, and then passes out through the corresponding strip-shaped rope passing groove, the sliding groove, the tensioning groove, and the rotated rope hole in the horizontal direction.
7. The tensioning adjustment device for high-speed railway platform guardrail ropes as described in claim 6, characterized in that, The rope passing hole, the lock core rope passing hole, and the rotated rope hole are circular holes.
8. The tensioning adjustment device for high-speed railway platform guardrail ropes as described in claim 6, characterized in that, The front ends of the two second rope passing plates of the two rope passing portions are fixedly connected through a connecting plate.
9. The tensioning adjustment device for high-speed railway platform guardrail ropes as described in claim 8, characterized in that, The strip-shaped rope passing groove penetrates the connecting plate forwardly.
10. The high-speed rail platform screen cord tensioner of claim 1, wherein, The tensioning groove penetrates through the front end surface of the lock cylinder.