CN117905359A - Distributed balancing weight structure for lifting safety door - Google Patents
Distributed balancing weight structure for lifting safety door Download PDFInfo
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- CN117905359A CN117905359A CN202410126477.8A CN202410126477A CN117905359A CN 117905359 A CN117905359 A CN 117905359A CN 202410126477 A CN202410126477 A CN 202410126477A CN 117905359 A CN117905359 A CN 117905359A
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- balancing weight
- stay cord
- guide post
- sliding block
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- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
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- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The invention provides a distributed balancing weight structure for lifting a safety door, which relates to the technical field of high-speed railway safety doors and comprises a guide post, a driving roller arranged at the top end of the guide post and a transmission belt connected with the driving roller, wherein one end of the transmission belt is connected with a pull rope sliding block, and a plurality of balancing weights are arranged on the transmission belt at intervals; the balancing weight comprises a constant-position balancing weight and a deflection balancing weight; the constant-position balancing weight is positioned at one side of the guide post far away from the stay cord sliding block; when the stay cord slider rises to the upper limit, the deflection balancing weight is positioned at one side of the guide post far away from the stay cord slider; and when the stay cord slider descends to the lower limit, the shifting balancing weight is positioned at one side of the guide post, which is close to the stay cord slider. According to the invention, the balancing weights are arranged at the platform door posts to balance the lifting of the stay cord sliding blocks, and are distributed, so that different balancing effects are provided at different stages of the lifting of the stay cord sliding blocks, and the driving power in the lifting process of the stay cord is ensured to be smaller, the safety is higher, and the stability is stronger.
Description
Technical Field
The invention relates to the technical field of high-speed railway safety doors, in particular to a distributed balancing weight structure for lifting of a safety door.
Background
With the development of cities, there is an increasing demand for rail vehicles that receive transportation functions between cities and suburbs. Along with the diversified development situation of each region, the actual demands of the rail vehicles are quite different, subways (including underground railways and overground urban irons) inside cities, trains (including motor cars, high-speed rails and ordinary trains) between cities and the like are commonly called as rail transit vehicles.
The traffic on the platforms of the rail transit vehicles is high, the running speed of the rail transit is high, and shielding doors are required to be arranged at the platforms so as to separate platform personnel from the rail transit vehicles and prevent the danger caused by the platform personnel falling off the platforms accidentally; for example, chinese patent invention CN116517427a provides an intelligent shielding door structure for a rail transit platform, which relates to the technical field of rail transit, and comprises a fixed upright post and a movable post, wherein a telescopic groove is arranged on the fixed upright post, a limit sliding post is arranged in the telescopic groove, the movable post comprises a main body plate, a screw rod and a sliding block, a rotating roller and a conveyor belt are arranged at the upper end of the main body plate, a first connector and a second connector are arranged on the screw rod, one end of the conveyor belt, which is far away from the first connector, is connected with the sliding block, a hook is arranged on the sliding block, and the number of the fixed upright post and the movable post is at least two, so that a pull rope with the end fixed to the hook is connected between the movable posts on the two fixed upright posts. Said invention is simple in setting, and can utilize pull rope type shielding door to elongate distance between shielding door posts, and one shielding door zone is correspondent to door of several trains, and is applicable to different requirements of different door-opening positions of different trains, so that it is convenient for boarding and alighting passengers, and the two-stage lifting structure of pull rope is stable, and when the pull rope is fallen, it can effectively prevent personnel from falling down the platform, and its safety is high.
The intelligent shielding door structure of the rail transit platform still has the following defects: the number of the pull ropes in the pull rope shielding door is very large, and the pull ropes are generally 15 meters, so that the weight of the pull ropes and the sliding blocks is very large, the driving power is still large, and in addition, a plurality of pull rope shielding doors exist on one platform, so that the power of the whole platform is very large, and great resource waste is caused.
Therefore, in order to solve the above-mentioned problems, it is necessary to design a reasonably efficient distributed counterweight structure for lifting the safety door.
Disclosure of Invention
The invention aims to provide a distributed balancing weight structure for lifting a safety door, which balances the lifting of a stay cord sliding block by arranging a balancing weight at a platform door post, wherein the balancing weights are distributed, different balancing effects are provided at different stages of the lifting of the stay cord sliding block, and the driving power of the stay cord lifting process can be ensured to be smaller, the safety is higher and the stability is stronger.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
The distributed balancing weight structure for lifting the safety door comprises a guide column, a driving roller and a transmission belt, wherein the guide column is vertically arranged, the driving roller is arranged at the top end of the guide column, the transmission belt is connected with the driving roller, one end of the transmission belt is connected with a pull rope sliding block, and a plurality of balancing weights are arranged on the transmission belt at intervals;
The balancing weight comprises a constant-position balancing weight and a deflection balancing weight;
The constant-position balancing weight is positioned at one side of the guide post far away from the stay cord sliding block;
when the stay cord sliding block is lifted to be limited, the deflection balancing weight is positioned at one side of the guide post far away from the stay cord sliding block; and when the stay cord slider descends to a lower limit, the deflection balancing weight is positioned at one side of the guide post, which is close to the stay cord slider.
Preferably, the driving roller is connected with a motor for driving the driving roller to rotate.
Preferably, the number of the conveying belts is two, and the two conveying belts are respectively connected with two ends of the balancing weight.
Preferably, the end part of the stay cord sliding block is provided with a hook used for being connected with a stay cord of the safety door.
Preferably, a guide limiting block is arranged on one side, close to the guide post, of the pull rope sliding block, and the guide limiting block is used for being connected with the guide post.
As the preferable mode of the invention, the number of the guide posts and the guide limiting blocks is two.
Preferably, the number of the rope pulling sliding blocks is at least two.
As the optimization of the invention, a limiting rope is connected between two adjacent stay rope sliding blocks.
Preferably, the outer side of the driving roller is provided with annular teeth, and the conveying belt is a conveying chain in meshed connection with the annular teeth.
As the preference of the invention, the outside of the guide post is provided with a stand column shell, and both sides of the stand column shell are provided with sliding grooves for facilitating the passing of the safety door stay cord.
As the preferable mode of the invention, the bottom of the guide post is provided with a compensation roller, the compensation roller is provided with a compensation belt, one end of the compensation belt is connected with the stay cord sliding block, and the other end of the compensation belt is connected with the constant-position balancing weight.
The distributed balancing weight structure for lifting the safety door has the beneficial effects that: through set up the lift that the balancing weight comes balanced stay cord slider in platform gatepost department, and the distributed setting of balancing weight provides different balanced effects at the different stages of stay cord slider lift, can ensure that stay cord lift process drive power is littleer, and the security is higher, and stability is stronger.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of a distributed counterweight structure for lifting a safety door according to the invention;
FIG. 2 is a schematic side view of a distributed counterweight structure for lifting a safety door according to an embodiment of the invention with a pull-cord slider lowered;
FIG. 3 is a schematic side view of a lift rope slider in one embodiment of a distributed counterweight structure for lifting a safety door;
In the figure: 1. the guide post, 11, the compensation roller, 12, the compensation belt, 2, the driving roller, 21, the annular tooth, 3, the transmission belt, 4, the stay cord slider, 41, the spacing rope, 42, the guide stopper, 43, the couple, 5, the balancing weight, 51, the constant position balancing weight, 52, the balancing weight that shifts.
Detailed Description
The following are specific examples of the present invention, and the technical solutions of the present invention are further described, but the present invention is not limited to these examples.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps set forth in these embodiments and the steps do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the flow in the drawings is not merely performed alone, but a plurality of steps are performed to cross each other for convenience of description.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the present invention product, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate.
Embodiment one: as shown in fig. 1 to 3, which are only embodiments of the present invention, a distributed counterweight structure for lifting a safety door includes a guide post 1 arranged vertically, a driving roller 2 arranged at the top end of the guide post 1, and a conveying belt 3 connected with the driving roller 2, wherein one end of the conveying belt 3 is connected with a pull rope slider 4, and a plurality of counterweights 5 are arranged on the conveying belt 3 at intervals;
In the invention, the end part of the stay rope sliding block 4 is connected with a stay rope, the stay rope is positioned at the edge of a platform door to form a stay rope safety door, the guide post 1 is vertically arranged, the stay rope sliding block 4 can lift up and down along the guide post 1, the lift of the stay rope sliding block 4 can drive the stay rope to lift, when the stay rope sliding block 4 drives the stay rope to lift until the stay rope is higher than the top of a pedestrian, a waiting person on the platform can pass through from below the stay rope to reach a rail transit train or pass from the train to get off the platform; conversely, when the stay rope slider 4 descends to drive the stay rope to descend, the personnel flow between the platform and the train can be separated, and the danger that the personnel at the platform fall off the platform or get too close to the train is prevented.
The top of the stay cord slider 4 is provided with a driving roller 2, the driving roller 2 is connected with a motor for driving the driving roller 2 to rotate, a transmission belt 3 connected with the driving roller 2 is connected with one end of the transmission belt 3, namely, the driving roller 2 is driven to rotate under the operation of the driving motor, the driving roller 2 drives the transmission belt 3 to transmit, so that the stay cord slider 4 is driven to lift, and as shown in fig. 2, the motor rotates positively to drive the driving roller 2 to rotate clockwise, the stay cord slider 4 is lifted, and a safety door is opened; conversely, the motor is reversed, and the safety door is closed; it can be understood that the motor drives the pull rope sliding block 4 to lift, so as to complete the lifting (opening) and the lowering (closing) of the safety door.
Next, be provided with a plurality of balancing weights 5 on the conveyer belt 3 at intervals, balancing weights 5 carry out the transmission along with the conveyer belt 3, and balancing weights 5 mainly play the balancing effect to stay cord slider 4 gravity, for example, when balancing weights 5 are located the one side that the guide post 1 kept away from stay cord slider 4, stay cord slider 4 rises, then balancing weights 5 descend, and the gravity of balancing weights 5 has balanced the gravity of stay cord slider 4 and stay cord like this for driving motor drive the power that stay cord slider 4 goes up and down reduces.
In the present invention, the weight 5 includes a constant-position weight 51 and a displacement weight 52; the constant-position balancing weight 51 and the displacement balancing weight 52 displace along with the transmission of the transmission belt 3, wherein the constant-position balancing weight 51 is not constant in position, but the constant-position balancing weight 51 is constantly positioned at one side of the guide post 1, which is far away from the pull rope sliding block 4, and the constant-position balancing weight 51 is still lifted at one side of the guide post 1, which is far away from the pull rope sliding block 4;
Conversely, the displacement balancing weight 52 refers to that the side direction of the guide post 1 is changed along with the lifting of the pull rope sliding block 4, specifically, when the pull rope sliding block 4 is lifted up to be limited, the displacement balancing weight 52 is positioned at one side of the guide post 1 away from the pull rope sliding block 4 (as shown in fig. 3); and when the pull rope sliding block 4 descends to the lower limit, all the shifting balancing weights 52 are positioned on one side (shown in fig. 2) of the guide post 1, which is close to the pull rope sliding block 4.
Of course, the number of the constant-position weight block 51 and the displacement weight block 52 is at least one.
So that when the pull rope sliding block 4 is lifted to the upper limit, all the deflection balancing weights 52 are positioned on one side of the guide post 1 away from the pull rope sliding block 4; and when the pull rope sliding block 4 descends to the lower limit, all the deflection balancing weights 52 are positioned on one side of the guide post 1 close to the pull rope sliding block 4.
In the present invention, there is an intermediate state that when the pull-cord sliding block 4 is located between the upper limit and the lower limit, a part of the displacement balancing weight 52 is located at a side of the guide post 1 away from the pull-cord sliding block 4, and a part of the displacement balancing weight 52 is located at a side of the guide post 1 close to the pull-cord sliding block 4.
It should be noted that the total weight of all the constant-position counterweights 51 is greater than the total weight of all the deflection counterweights 52, so that no matter the pull rope slider 4 is lifted or lowered, a force exists on the side of the guide post 1 away from the pull rope slider 4, which can balance the gravity of the pull rope slider 4 and the pull rope.
Moreover, the sum of the total mass of the displacement balancing weight 52 and the mass of the stay cord sliding block 4 (including the stay cord) is greater than the total weight of all the constant balancing weights 51, so that when the stay cord sliding block 4 is lowered to the lower limit, the constant balancing weights 51 are insufficient to pull the stay cord sliding block 4 to rise, the stay cord sliding block 4 is prevented from rising abnormally when a motor is in fault, and the safety door is opened abnormally.
Also, the sum of the total weight of all the constant-position counterweights 51 and the total weight of all the deflection counterweights 52 is greater than the mass of the pull rope slider 4 (including the pull rope), so that when the pull rope slider 4 is lifted up to the upper limit, the gravity of the pull rope slider 4 is insufficient to fall, the pull rope slider 4 is prevented from being abnormally lowered when the motor is in fault, and the safety door is abnormally closed. Pressing to the pedestrian.
According to the distributed balancing weight structure for lifting the safety door, the balancing weights are arranged at the positions of the platform door posts to balance the lifting of the pull rope sliding blocks, the balancing weights are distributed, different balancing effects are provided at different stages of lifting of the pull rope sliding blocks, and the driving power in the lifting process of the pull rope can be ensured to be smaller, the safety is higher and the stability is stronger.
In the second embodiment, as shown in fig. 1 to 3, only one embodiment of the present invention is provided, and based on the first embodiment, in the distributed counterweight structure for lifting a safety door of the present invention, a hook 43 for connecting with a pull rope of the safety door is provided at an end of the pull rope slider 4, and the hook can slide horizontally on the pull rope slider 4, that is, the hook 43 can be adjusted horizontally so as to adjust the tightness of the pull rope, thereby ensuring stable connection of the pull rope.
In addition, a guide limiting block 42 for connecting with the guide column 1 is arranged on one side, close to the guide column 1, of the pull rope sliding block 4, and in fact, a cylindrical vertical column is arranged at the edge of the guide column 1, and the guide limiting block 42 is clamped on the cylindrical vertical column in a C-shaped structure, so that the pull rope sliding block 4 can only slide up and down along the cylindrical vertical column, and abnormal displacement in the left-right direction and the front-back direction cannot occur.
Of course, the number of the guide posts 1 and the number of the guide limiting blocks 42 are two, and preferably, both ends of the pull rope sliding block 4 are respectively in limiting connection with the cylindrical vertical posts through the guide limiting blocks 42, so that the lifting stability of the pull rope sliding block 4 is higher.
Also, the number of the rope sliders 4 is at least two, so that a plurality of rope sliders 4 are required to be connected to each other, and generally, 6 rope sliders 4 are provided, so that 6 ropes form a platform safety door.
And, connect between two adjacent stay cord slider 4 and be provided with spacing rope 41, prevent that two adjacent stay cords from being too far apart, prevent that the pedestrian from directly boring from between two stay cords and falling off the platform, spacing rope 41 can be the elastic component.
It should be noted that: when the uppermost stay cord slide block 4 is lifted to the upper limit, all the deflection balancing weights 52 are positioned at one side of the guide post 1 away from the stay cord slide block 4; and when the lowest stay cord slide block 4 descends to the lower limit, all the deflection balancing weights 52 are positioned on one side of the guide post 1 close to the stay cord slide block 4.
In the third embodiment, as shown in fig. 1 to 3, only one embodiment of the present invention is provided, and on the basis of any one of the above embodiments, in the distributed counterweight structure for lifting a safety door of the present invention, the number of the conveying belts 3 is two, and the two conveying belts 3 are respectively connected with two ends of the counterweight 5, so as to ensure that the counterweight 5 is stably connected.
And the balancing weight 5 is connected with one side of the conveying belt 3 far away from the guide post 1, so that the balancing weight 5 is prevented from being stranded between the conveying belt 3 and the driving roller 2.
In the invention, the outer side of the driving roller 2 is provided with the annular teeth 21, the conveying belt 3 is a conveying chain meshed with the annular teeth 21, the conveying belt 3 is prevented from sliding, and the stability of the whole driving structure is higher.
In order to ensure that the transmission belt 3 is stable, a compensation roller 11 is arranged at the bottom of the guide post 1, a compensation belt 12 is arranged on the compensation roller 11, one end of the compensation belt 12 is connected with the pull rope sliding block 4, the other end of the compensation belt 12 is connected with the constant-position balancing weight 51, the tightness of the transmission belt 3 can be adjusted through tightening and loosening prevention of the compensation belt 12, and meanwhile, the fact that the transmission belt 3 cannot deviate abnormally and the speed exceeds the limit is ensured.
Finally, the outside of the guide post 1 is provided with a stand column shell, both sides of the stand column shell are provided with sliding grooves which are used for facilitating the pull ropes of the safety door to pass through, and the sliding grooves are vertically arranged.
According to the distributed balancing weight structure for lifting the safety door, the balancing weights are arranged at the positions of the platform door posts to balance the lifting of the pull rope sliding blocks, the balancing weights are distributed, different balancing effects are provided at different stages of lifting of the pull rope sliding blocks, and the driving power in the lifting process of the pull rope can be ensured to be smaller, the safety is higher and the stability is stronger.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modification, equivalent replacement, improvement, etc. of the above embodiments according to the technical substance of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A distributed balancing weight structure for emergency exit goes up and down, its characterized in that: the automatic feeding device comprises a guide column (1) which is vertically arranged, a driving roller (2) which is arranged at the top end of the guide column (1) and a transmission belt (3) which is connected with the driving roller (2), wherein one end of the transmission belt (3) is connected with a pull rope sliding block (4), and a plurality of balancing weights (5) are arranged on the transmission belt (3) at intervals;
the balancing weight (5) comprises a constant-position balancing weight (51) and a deflection balancing weight (52);
The constant-position balancing weight (51) is positioned at one side of the guide post (1) far away from the stay cord sliding block (4);
When the stay rope sliding block (4) is lifted to the upper limit, the shifting balancing weight (52) is positioned at one side of the guide post (1) far away from the stay rope sliding block (4); and when the stay cord slider (4) descends to a lower limit, the displacement balancing weight (52) is positioned at one side of the guide post (1) close to the stay cord slider (4).
2. A distributed counterweight structure for emergency gate lifting as recited in claim 1, wherein: the driving roller (2) is connected with a motor for driving the driving roller (2) to rotate.
3. A distributed counterweight structure for emergency gate lifting as recited in claim 1, wherein: the number of the conveying belts (3) is two, and the two conveying belts (3) are respectively connected with two ends of the balancing weight (5).
4. A distributed counterweight structure for emergency gate lifting as recited in claim 1, wherein: the end part of the stay cord sliding block (4) is provided with a hook (43) which is used for being connected with a safety door stay cord.
5. A distributed counterweight structure for emergency gate lifting as recited in claim 1, wherein: one side of the stay cord slider (4) close to the guide post (1) is provided with a guide limiting block (42) used for being connected with the guide post (1).
6. A distributed counterweight structure for emergency gate lifting as recited in claim 7, wherein: the number of the guide posts (1) and the number of the guide limiting blocks (42) are two.
7. A distributed counterweight structure for emergency gate lifting as recited in claim 1, wherein: the number of the pull rope sliding blocks (4) is at least two.
8. A distributed counterweight structure for emergency gate lifting as recited in claim 5, wherein: a limiting rope (41) is connected between two adjacent stay rope sliding blocks (4).
9. A distributed counterweight structure for emergency gate lifting as recited in claim 1, wherein: the outside of the driving roller (2) is provided with annular teeth (21), and the conveying belt (3) is a conveying chain in meshed connection with the annular teeth (21).
10. A distributed counterweight structure for emergency gate lifting as recited in claim 4, wherein: the outside of guide post (1) is provided with the stand shell, stand shell both sides all are provided with the spout that is used for making things convenient for the emergency exit stay cord passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410126477.8A CN117905359A (en) | 2024-01-30 | 2024-01-30 | Distributed balancing weight structure for lifting safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410126477.8A CN117905359A (en) | 2024-01-30 | 2024-01-30 | Distributed balancing weight structure for lifting safety door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117905359A true CN117905359A (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410126477.8A Pending CN117905359A (en) | 2024-01-30 | 2024-01-30 | Distributed balancing weight structure for lifting safety door |
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- 2024-01-30 CN CN202410126477.8A patent/CN117905359A/en active Pending
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