Automatic winding and unwinding device for red cloth curtain of protection screen of transformer substation

By linking rubber hoses with an air pump to enhance the rigidity of the red cloth curtain and designing a counterweight rod, the problem of the red cloth curtain swaying due to airflow disturbance in the substation was solved, achieving the stability and adaptability of the red cloth curtain and ensuring the safety and flexible installation of the protective screen.

CN223957095UActive Publication Date: 2026-02-27国网陕西省电力有限公司西安供电公司
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Patent Information

Application Number
CN202520537174.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-27
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Traditional red cloth curtains are prone to swaying due to airflow disturbances in substations and cannot be flexibly adapted to protective screens of different sizes, leading to equipment damage.

Method used

An automatic deployment and retraction device for red cloth curtains on substation protection screens was designed. It uses rubber tubes and air pumps to enhance rigid support, and combines counterweights and sliding installation components to ensure the stability and adaptability of the red cloth curtains.

Benefits of technology

It effectively prevents the red cloth curtain from fluttering due to airflow or external forces, ensuring its flatness and stability when unfolded, and can adapt to the installation of protective screens of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic winding and unwinding device for a red cloth curtain of a protection screen of a transformer substation, which belongs to the technical field of red cloth curtains of protection screens of transformer substations and comprises a base rod, the storage shaft is rotationally mounted in the accommodating cavity; one end of the red cloth curtain body is fixedly connected with the storage shaft, and the other end of the red cloth curtain body extends out of the containing cavity through a penetrating groove formed in the side wall of the containing cavity; the two sides of the red cloth curtain body are both provided with stabilizing assemblies, the stabilizing assemblies are arranged, the two sides of the red cloth curtain can be rigidly supported, the red cloth curtain can resist airflow disturbance and cannot float, and the red cloth curtain can slide on the base rod through the installation assemblies and can be matched with protection screens of different sizes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to substation protection screen red cloth curtain technical field, concretely relates to a kind of substation protection screen red cloth curtain automatic retraction device. BACKGROUND

[0002] Red cloth curtain is the core device in the substation protection screen operation scene, and plays a safe warning and isolation. The traditional red cloth curtain generally uses counterweight rod in the process of use to ensure the flatness after unfolding. However, it is difficult to resist the floating caused by air disturbance or personnel mis-touching only by relying on the counterweight rod, and the counterweight rod is easy to collide with the protection screen in the floating process, resulting in damage to the protection screen. Moreover, the traditional installation assembly adopts fixed support, which cannot be flexibly adapted to protection screens of different sizes. In order to solve the above problems, the utility model provides a kind of substation protection screen red cloth curtain automatic retraction device. UTILITY MODEL CONTENTS

[0003] In view of the above technical deficiencies, the utility model aims to provide a kind of substation protection screen red cloth curtain automatic retraction device, which is provided with a stable assembly for rigidly supporting both sides of the red cloth curtain, so that the red cloth curtain can resist air disturbance and will not float. The installation assembly can slide on the base rod and can adapt to protection screens of different sizes.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a kind of substation protection screen red cloth curtain automatic retraction device, which comprises:

[0005] A base rod is provided with an accommodating cavity inside;

[0006] A storage shaft is rotatably installed inside the accommodating cavity;

[0007] A red cloth curtain body is fixedly connected to one end of the storage shaft and extends to the outside of the accommodating cavity through the through groove provided on the side wall of the accommodating cavity;

[0008] Wherein, both sides of the red cloth curtain body are provided with a stable assembly.

[0009] Preferably, the storage shaft is of hollow structure, and a motor is installed inside one end of the storage shaft. The shell of the motor is fixedly connected to the side wall of the accommodating cavity, and the motor shaft is fixedly connected to the fixed rod provided inside the storage shaft.

[0010] Preferably, the stable assembly comprises:

[0011] A rubber tube is fixedly connected to the side of the red cloth curtain body, and the upper end of the rubber tube is fixedly connected to the storage shaft and communicates with the inside of the storage shaft;

[0012] A gas pump is installed inside the base rod far from the motor, and the exhaust pipe of the gas pump is communicated with the inside of the receiving shaft.

[0013] Preferably, the air inlet pipe of the gas pump extends through the base rod to the outside of the base rod, and the air outlet pipe of the gas pump is rotatably connected with the end face of the receiving shaft and is rotatably sealed with the end face of the receiving shaft.

[0014] Preferably, a plurality of mounting assemblies are arranged on the base rod and are slidably mounted on the base rod along the axial direction of the base rod.

[0015] Preferably, the mounting assembly comprises:

[0016] A sleeve ring is sleeved on the base rod, and the sleeve ring is arc-shaped, and the size of the opening of the sleeve ring is smaller than the diameter of the base rod;

[0017] A mounting plate is fixedly mounted on the sleeve ring, and the mounting plate is provided with a through hole for the bolt to pass through.

[0018] Preferably, a locking piece is mounted between the sleeve ring and the mounting plate, and when the bolt passes through the through hole, the locking piece fixes the position of the sleeve ring on the base rod.

[0019] Preferably, the locking piece is slidably mounted inside the sleeve ring and the mounting plate, one end of the locking piece extends through the mounting plate to the inside of the through hole, and the other end of the locking piece extends through the sleeve ring to abut against the base rod.

[0020] Preferably, the upper side of the locking piece at one end inside the through hole is a wedge-shaped surface with an inner high and outer low structure, one end of the locking piece abutting against the base rod is a hollow structure, and the material of the locking piece is an elastic material.

[0021] Preferably, the lower end of the red cloth curtain body is fixedly connected with a counterweight rod.

[0022] The beneficial effects of the present application are as follows:

[0023] The present application is characterized in that the rubber tube is connected with the gas pump, and when the red cloth curtain is unfolded, the gas pump inflates the rubber tube to make it expand, thereby enhancing the rigid support of the two sides of the red cloth curtain, effectively avoiding the floating and curling of the traditional red cloth curtain caused by air flow or external force. At the same time, the counterweight rod arranged at the lower end of the red cloth curtain further optimizes the hanging effect, and the combination of the inflation and stabilization assembly forms a double fixing mechanism to ensure the flatness and stability of the red cloth curtain when it is unfolded.

[0024] The combination of the sleeve ring, the elastic locking piece and the mounting plate makes the device axially slide along the base rod and be fixed at any position, which meets the installation requirements of protective screens of different sizes. After the bolt is tightened, the locking piece exerts a pressing force on the base rod through elastic deformation, ensuring the relative fixation between the sleeve ring and the base rod, thereby improving the stability of the overall installation. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 A structural schematic view of the automatic folding and unfolding device for the red cloth screen of the transformer substation protection screen is provided.

[0027] Figure 2 A sectional view of the base rod.

[0028] Figure 3 A sectional view of the mounting plate and the sleeve ring.

[0029] Figure 4 A sectional view of the sleeve ring and the base rod.

[0030] Figure 5 An exploded view of the locking member and the mounting plate.

[0031] Figure 6 A structural schematic view of the through groove.

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 1, base rod, 2, containing cavity, 3, storage shaft, 4, red cloth screen body, 5, through groove, 6, motor, 7, fixed rod, 8, rubber tube, 9, air pump, 10, sleeve ring, 11, mounting plate, 12, locking member, 13, counterweight rod. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] The present application provides an automatic folding and unfolding device for a red cloth screen of a transformer substation protection screen, as shown in the drawings. Figures 1 to 6

[0036] Embodiment one:

[0037] ​The utility model provides a kind of substation protection screen red cloth automatic retraction device, including base bar 1, base bar 1 adopts light aluminum alloy, and the inside of base bar 1 is equipped with containing cavity 2, containing cavity 2 is rotatably installed with storage shaft 3, red cloth body 4 is wound with the outside of storage shaft 3, the upper end of red cloth body 4 is fixedly connected with storage shaft 3, and the lower end extends to the outside of base bar 1 by the through groove 5 being equipped with on containing cavity 2 side wall, the lower end of red cloth body 4 is fixedly connected with counterweight rod 13, red cloth body 4 adopts fire -retardant material, the material of counterweight rod 13 adopts stainless steel pipe, and its inside is filled with lead block and increases weight, can ensure that red cloth body 4 is vertically drooping, so that red cloth body 4 can not curl after being unfolded.

[0038] Storage shaft 3 is hollow, and one end inside of storage shaft 3 is equipped with motor 6, the shell of motor 6 is installed on one end side wall of containing cavity 2, and the motor shaft of motor 6 is fixedly connected with fixed rod 7 fixedly installed in the inside of storage shaft 3, and motor 6 is connected with the power supply outside by cable, and the inside of base bar 1 is also installed with internet of things module, and internet of things module is electrically connected with motor 6, and staff sends signal to internet of things module remotely, and the start-stop of motor 6 and the rotation direction of motor 6 can be controlled, to control the retraction of red cloth body 4.

[0039] Example two:

[0040] On the body of example one, to avoid red cloth body 4 after unfolding, because air flow disturbance leads to floating, and is equipped with stabilizing assembly on the both sides of red cloth body 4, and the stabilizing assembly includes:

[0041] Rubber tube 8 is fixedly installed on the side of red cloth body 4, and the upper end of rubber tube 8 is fixedly connected with storage shaft 3, and the inside space of rubber tube 8 is communicated with storage shaft 3, and one end of storage shaft 3 away from motor 6 is equipped with air pump 9, and air pump 9 is installed in the inside of base bar 1, and the air inlet pipe of air pump 9 extends to the outside of base bar 1 by penetrating base bar 1, and the air outlet pipe of air pump 9 is rotatably connected with the end surface of storage shaft 3 and is communicated with the inside of storage shaft 3, and air pump 9 is rotatably sealed between the air outlet pipe and storage shaft 3, and air pump 9 is also electrically connected with the internet of things module installed in the inside of base bar 1, and staff can also remotely control the start-stop of air pump 9 through internet of things module.

[0042] When air pump 9 starts, the air outside is injected into the inside of storage shaft 3, and after the air outside enters the inside of storage shaft 3, it will enter the inside of rubber tube 8, so that rubber tube 8 expands, and after expansion, rubber tube 8 will play a rigid support role on the both sides of red cloth body 4, and the diameter of rubber tube 8 after expansion is matched with the width of through groove 5, so that through groove 5 can limit rubber tube 8, so that red cloth body 4 can not be caused to float due to air flow disturbance.

[0043] Example three:

[0044] On the basis of the first embodiment, in order to make the device can be installed on the different size of the protective screen, on the base bar 1 is provided with a plurality of can slide installation components, installation components can slide along the axial direction of the base bar 1 on the base bar 1, the number of installation components is at least two, the installation components include:

[0045] The sleeve ring 10 is an arc-shaped metal piece, the size of the opening is smaller than the diameter of the base bar 1, and the sleeve ring 10 can be stably sleeved on the base bar 1. The sleeve ring 10 is fixedly connected with the mounting plate 11, and the mounting plate 11 is provided with a through hole for the bolt to pass through. During installation, the through hole on the mounting plate 11 is aligned with the bolt hole on the protective screen, and then the bolt is connected through the through hole and the bolt hole.

[0046] The mounting plate 11 and the inside of the sleeve ring 10 are provided with a locking piece 12, the locking piece 12 is slidably installed in the inside of the sleeve ring 10 and the mounting plate 11, one end of the locking piece 12 extends to the inside of the through hole and the other end of the locking piece 12 extends to the base bar 1. When the bolt passes through the through hole, the locking piece 12 can be tightly pressed towards the base bar 1, so that the locking piece 12 can exert a pressing force on the base bar 1, and then the position of the sleeve ring 10 on the base bar 1 is fixed.

[0047] The upper side of the end of the locking piece 12 in the through hole is a wedge-shaped surface with high inside and low outside, and the end close to the center of the through hole is the outer end. The wedge-shaped surface can make the bolt inserted into the inside of the through hole more tightly pressed towards the base bar 1.

[0048] The material of the locking piece 12 is elastic material (such as stainless steel sheet), and the end in contact with the base bar 1 is hollow structure. When the locking piece 12 exerts a pressing force on the base bar 1, the end close to the base bar 1 will be elastically deformed, so that the locking piece 12 can better exert a pressing force on the base bar 1, and the sleeve ring 10 and the base bar 1 can better keep relative fixation.

[0049] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A device for automatic retraction and release of red cloth cover of substation protection panel, characterized in that, Include: Base rod (1), the inside of the base rod (1) is provided with containing cavity (2); Accommodate shaft (3), the accommodate shaft (3) is rotatably mounted in the inside of containing cavity (2); Red cloth body (4), one end of the red cloth body (4) is fixedly connected with accommodate shaft (3), and the other end extends to the outside of containing cavity (2) through the through groove (5) provided on the side wall of containing cavity (2); Wherein, the both sides of the red cloth body (4) are provided with stable assembly.

2. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 1, characterized in that, The accommodate shaft (3) is hollow structure, and a motor (6) is mounted in one end of the accommodate shaft (3), the shell of the motor (6) is fixedly connected with the side wall of containing cavity (2), and the motor shaft of the motor (6) is fixedly connected with the fixed rod (7) provided in the inside of the accommodate shaft (3).

3. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 2, characterized in that, The stable assembly includes: Rubber tube (8), the rubber tube (8) is fixedly connected on the side of the red cloth body (4), and the upper end of the rubber tube (8) is fixedly connected with the accommodate shaft (3) and communicates with the inside of the accommodate shaft (3); Air pump (9), the air pump (9) is mounted in the inside of the end of the base rod (1) away from the motor (6), and the exhaust pipe of the air pump (9) communicates with the inside of the accommodate shaft (3).

4. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 3, characterized in that, The air inlet pipe of the air pump (9) extends to the outside of the base rod (1) through the base rod (1), and the air outlet pipe of the air pump (9) is rotatably connected with the end face of the accommodate shaft (3) and rotatably sealed with the end face of the accommodate shaft (3).

5. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 1, characterized in that, A plurality of mounting assemblies are provided on the base rod (1), and the mounting assemblies are slidably mounted on the base rod (1) along the axial direction of the base rod (1).

6. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 5, characterized in that, The mounting assembly includes: Sleeve ring (10), the sleeve ring (10) is sleeved on the base rod (1), and the shape of the sleeve ring (10) is arc-shaped, and the size of the opening of the sleeve ring (10) is smaller than the diameter of the base rod (1); Mounting plate (11), the mounting plate (11) is fixedly mounted on the sleeve ring (10), and the mounting plate (11) is provided with a through hole for the bolt to pass through.

7. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 6, characterized in that, The locking piece (12) is mounted between the sleeve ring (10) and the mounting plate (11), and when the bolt passes through the through hole, the locking piece (12) fixes the position of the sleeve ring (10) on the base rod (1).

8. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 7, characterized in that, The locking piece (12) is slidably mounted in the inside of the sleeve ring (10) and the mounting plate (11), one end of the locking piece (12) extends to the inside of the through hole by penetrating the mounting plate (11), and the other end of the locking piece (12) penetrates the sleeve ring (10) and abuts against the base rod (1).

9. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 8, characterized in that, The upper side of one end of the locking piece (12) in the inside of the through hole is wedge-shaped surface with high inside and low outside, one end of the locking piece (12) abutting against the base rod (1) is hollow structure, and the material of the locking piece (12) is elastic material.

10. A red screen automatic retraction and deployment device for a substation protection panel as claimed in claim 1, characterized in that, The lower end of the red cloth body (4) is fixedly connected with the counterweight rod (13).